WO2003035230A1 - Structure de fixation de separateur de gaz et dispositif de separation de gaz utilisant ladite structure - Google Patents
Structure de fixation de separateur de gaz et dispositif de separation de gaz utilisant ladite structure Download PDFInfo
- Publication number
- WO2003035230A1 WO2003035230A1 PCT/JP2002/010961 JP0210961W WO03035230A1 WO 2003035230 A1 WO2003035230 A1 WO 2003035230A1 JP 0210961 W JP0210961 W JP 0210961W WO 03035230 A1 WO03035230 A1 WO 03035230A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas separator
- gas
- packing
- annular
- structure according
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/061—Manufacturing thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/062—Tubular membrane modules with membranes on a surface of a support tube
- B01D63/063—Tubular membrane modules with membranes on a surface of a support tube on the inner surface thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/062—Tubular membrane modules with membranes on a surface of a support tube
- B01D63/065—Tubular membrane modules with membranes on a surface of a support tube on the outer surface thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/06—Tubular membrane modules
- B01D63/066—Tubular membrane modules with a porous block having membrane coated passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/108—Hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/06—External membrane module supporting or fixing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/21—Specific headers, end caps
Definitions
- the present invention relates to a gas separator fixed structure and a gas separation device using the gas separator fixed structure.
- an organic polymer membrane such as polyimide / polysulfone and an inorganic compound membrane such as a palladium or palladium alloy membrane are known as a hydrogen separation membrane.
- a palladium or palladium alloy film has heat resistance and can obtain extremely high-purity hydrogen.
- Palladium or a palladium alloy has the property of permeating and permeating hydrogen as a solid solution, and utilizing this property, thin films made of palladium or a palladium alloy are widely used in hydrogen separators that separate hydrogen from mixed gas containing hydrogen. Have been.
- JP-A-62-273030 and JP-A-63-171617 disclose palladium or palladium alloy on one surface of a porous substrate.
- a gas separator coated with a gas separation membrane is disclosed, wherein the porous substrate is made of a ceramic such as glass or aluminum oxide. Since the mechanical strength of the gas separation membrane alone is not sufficient, the porous substrate is covered with the gas separation membrane.
- a gas to be treated is introduced from one side of the gas separator, and only a specific gas permeates the gas separator, and the gas is separated from the other side of the gas separator. It has a structure from which purified hydrogen gas can be obtained.
- the gas-to-be-processed and the purified gas are air-tightly separated from each other and that the gas-to-be-processed does not leak to the purified gas side from the junction between the gas separator and the support.
- the rate at which hydrogen atoms diffuse through the gas separation membrane is required.
- the gas separator and the support are joined by glass, brazing material, etc. (glass joining, brazing joining).
- glass joining, brazing joining when the gas treatment temperature is 250 ° C. or less, it is also practiced to use a resin or rubber ring to ensure airtightness between the gas separator and the support. .
- the porous substrate constituting the gas separator is destroyed by thermal stress, or the gas is separated by the load of the thermal cycle. Problems such as a decrease in airtightness between the body and the support material can be assumed.
- the joining temperature is high, problems such as distortion due to thermal stress may occur. is assumed.
- the present invention has been made in view of the above-mentioned problems of the related art, and has as its object the destruction of a base constituting a gas separator due to thermal stress and the generation of gas due to a thermal cycle load.
- a gas separator fixed structure that is unlikely to cause a decrease in airtightness between the separator and a supporting material that supports the separator and that can be used even under high temperature conditions, and gas separation using the gas separator fixed structure
- a gas separator fixed structure provided with a gas separator in which a gas separation film is formed on at least one surface of a cylindrical substrate made of porous ceramics and having an axial penetration.
- a lid-shaped metal member is fixed to one open end of the gas separator and an annular metal member is fixed to the other open end via a seal member.
- a gland packing Is a gland packing, and a gas separator fixing structure is provided.
- the lid-shaped metal member includes a lid-shaped or annular first packing retainer that applies a tightening pressure to one of the gland packings in the axial direction of the tubular base, and one of the gland packings.
- An annular or lid-shaped lower stopper that suppresses movement, and an annular metal member that applies a clamping pressure to the other gland packing in the axial direction of the tubular base It is preferable to include a packing retainer and an annular upper stopper for suppressing the movement of the other ground packing.
- the shape of the first packing retainer is a convex shape in which one of the gland packings is pressed directly at the tip thereof, and the shape of the lower stopper is in direct contact with one of the gland packings.
- a concave shape that fits with the convex shape of the first packing retainer, and the shape of the second packing retainer is a convex shape that directly presses the other ground packing at its distal end, and
- the shape of the upper stopper is a concave shape capable of directly contacting the other gland packing and fitting with the convex shape of the second packing retainer.
- a gas separator fixed structure provided with a gas separator in which a gas separation film is formed on at least one surface of a cylindrical substrate made of porous ceramics and having a through hole in an axial direction.
- An annular metal member is fixed to both open ends of the gas separator via seal members, and each of the seal members is a gland packing.
- a fixed structure is provided.
- the annular metal member includes an annular packing retainer that applies a tightening pressure to the gland packing in the axial direction of the cylindrical base, and an annular stopper that suppresses movement of the gland packing. It is preferred to be constituted by
- the shape of the annular packing retainer is a convex shape that directly presses the gland packing at the tip end thereof, and the shape of the annular stopper is in direct contact with the round packing, and It is preferably a concave shape that can be fitted with the convex shape of the packing retainer.
- the cylindrical substrate has a plurality of through holes in parallel.
- the maximum value of the operating temperature range of the gland packing is preferably 300 or more, and the maximum value of the operating temperature range of the gland packing in a non-oxidizing atmosphere is preferably 350 or more. More preferably, the maximum value of the operating temperature range in a non-oxidizing atmosphere is 600 or more.
- the main component of the gland packing is preferably expanded graphite, and the porous ceramic is preferably alumina.
- the gas separation membrane is preferably a hydrogen separation membrane that selectively permeates hydrogen
- the gas separation membrane is preferably made of palladium or a metal containing palladium.
- the constituent materials of the lid-shaped metal member and the Z or annular metal member preferably have a coefficient of thermal expansion of 10 ⁇ 10 ⁇ or less.
- the material is permalloy.
- the gas separator fixed structure of the present invention can be suitably used in a temperature range of 250 to 160, and more preferably in a temperature range of 300 to 600. You. Further, it can be suitably used in a pressure range where the total pressure of the gas to be treated is 0.1 to 1 OMPa.
- a gas separation device including a pressure vessel, wherein the annular metal member of any one of the above-described gas separator fixing structures is fixed to an inner surface of the pressure vessel.
- a featured gas separation device is provided.
- FIG. 1 is a cross-sectional view showing one embodiment of the gas separator fixing structure of the present invention.
- FIG. 2 is a sectional view showing another embodiment of the gas separator fixing structure of the present invention.
- FIG. 3 is a sectional view showing still another embodiment of the gas separator fixing structure of the present invention.
- FIG. 4 is a cross-sectional view showing one embodiment of the gas separation device of the present invention.
- a first aspect of the present invention is directed to a gas separator fixing structure including a gas separator having a gas separation film formed on at least one surface of a cylindrical substrate made of porous ceramics and having a through hole in an axial direction.
- a lid-shaped metal member is fixed to one open end of the gas separator and an annular metal member is fixed to the other open end of the gas separator via respective seal members.
- the member is a gland packing.
- the lid-shaped metal member suppresses the movement of one of the gland packings with a lid-shaped or annular first packing holder for applying a tightening pressure in the axial direction of the cylindrical base to one of the gland packings.
- annular or lid-shaped lower stopper is provided, and the annular metal member is provided with an annular second packing retainer for applying a tightening pressure to the other gland packing in the axial direction of the tubular base; It is preferable that it is constituted by an annular upper stopper that suppresses the movement of the packing. The details will be described below.
- FIG. 1 is a cross-sectional view showing one embodiment of the gas separator fixing structure of the present invention.
- the lid-shaped metal member 1 is composed of a lid-shaped first gasket 2 and an annular lower stopper 3, and the annular metal member 4 is an annular second gasket 5 and an annular upper part. It consists of a stopper 6.
- the annular metal member 4 (the second packing retainer '5) is joined to the flange 8 having the through hole 7 by a joining method such as welding that ensures airtightness.
- the lid-shaped metal member 1 and the annular metal member 4 are in contact with the outer peripheral surface of the gas separator 10.
- the gland packings 11 and 12 are arranged as seal members.
- a stuffing box 13 capable of accommodating at least one gland packing 11, 12 may be provided, and the guffing 11, 12 may be accommodated therein.
- the gland packings 11 and 12 need to be in direct contact with the outer peripheral surface of the gas separator 10.
- the first gasket 2 and the second gasket 5 can apply a tightening pressure to the gland packings 11, 12 in the axial direction of the cylindrical base 31, and provide the lower stopper 3,
- the upper stopper 6 suppresses the movement of the gland packings 11, 12 in the axial direction due to the application of the tightening pressure to the gland packings 11, 12.
- the gland packings 1 1, 1 2, whose movement has been suppressed actually have a slight deformation with respect to the inner direction of the diameter of the gas separator 10, that is, with respect to the membrane surface of the gas separation membrane 30.
- Adhesion is applied in the vertical direction with an appropriate pressure to ensure airtightness between the gas separator 10 and the lid-shaped metal member 1 and the annular metal member 4.
- the stuffing pox 13 makes it possible to more effectively transmit the tightening pressure applied to the gland packings 11 and 12 housed therein to the gas separator 10.
- the shape of the first packing retainer 2 is such that the gland packing 11 is directly attached to the tip end thereof.
- the lower stopper 3 has a concave shape in which the lower stopper 3 is in direct contact with the round packing 11 and is fitted with the convex shape of the first packing retainer 2.
- the shape of the packing retainer 5 is a convex shape that directly presses the gland packing 12 at the tip end thereof, and the shape of the upper stopper 16 directly contacts the gland packing 12, It is preferable that it has a concave shape that can be fitted with the convex shape of the packing holder 5 of 2.
- FIG. 2 is a sectional view showing another embodiment of the gas separator fixing structure of the present invention.
- the lid-shaped metal member 1 includes an annular first packing retainer 100 and an annular lower stopper 107
- the annular metal member 4 includes an annular second packing retainer 5, It is constituted by an annular upper stopper 6.
- the annular metal member 4 includes an annular first packing retainer 100 and an annular lower stopper 107
- the (upper stopper 6) is joined to the flange 8 having the through hole 7 by a joining method such as welding.
- other members such as the gland packings 11 and 12 and the stuffing box 13 are arranged in the same positional relationship as in the case of the gas separator fixing structure shown in FIG.
- Reference numeral 12 is in direct contact with the outer peripheral surface of the gas separator 10.
- the direction in which the tightening pressure is applied to the gland packing by the annular first packing retainer is as shown in FIGS.
- the direction may be either up or down, and it is possible to design freely according to the purpose and application.
- a gas separator fixing structure including a gas separator formed by forming a gas separation film on at least one surface of a cylindrical substrate made of porous ceramics and having a through hole in an axial direction.
- An annular metal member is compression-fixed to both open ends of the gas separator via seal members, and each seal member is a gland packing.
- the annular metal member is preferably constituted by an annular packing retainer for applying a tightening pressure to the gland packing in the axial direction of the tubular base, and an annular stopper for suppressing the movement of the gland packing. The details are described below.
- FIG. 3 is a sectional view showing still another embodiment of the gas separator fixing structure of the present invention.
- the annular metal member 4 is constituted by annular packing retainers 110, 120 and annular stoppers 130, 140, and the annular metal member 4 (annular packing retainer 110, 120) is provided. It is joined to the flange 8 having the through hole 7 or the container body 104 to which the gas separator fixing structure is attached by a joining method such as welding.
- ground packings 11 and 12 are arranged as seal members so as to be in contact with the outer peripheral surface of the gas separator 10.
- gland packing A stuffing box 13 capable of accommodating at least one of each of the gland packings 11 and 12 may be provided therein. However, the gland packings 11 and 12 need to be in direct contact with the outer peripheral surface of the gas separator 10.
- the annular packing retainers 1 10 and 120 can apply a tightening pressure to the gland packings 11 and 12 in the axial direction of the cylindrical base 31.
- the annular stoppers 130 and 140 provide the gland packings 11 and 120.
- the movement of the gland packings 11 and 12 in the axial direction due to the application of the tightening pressure to 12 is suppressed.
- the gland packings 11 and 12, whose movement has been suppressed are practically slightly inwardly deformed with a slight deformation in the inner direction of the diameter of the gas separator 10, that is, perpendicular to the film surface of the gas separation film 30.
- the gas separator 10 and the ring-shaped metal member 4 are kept in tight contact with each other with an appropriate pressure. It should be noted that the swinging box 13 makes it possible to more effectively transmit the tightening pressure applied to the round packings 11 and 12 housed therein to the gas separator 10.
- the shape of the annular packing retainers 110 and 120 is the same as that of the gland packings 11 and 12. It is a convex shape that presses directly at the tip, and the shape of the annular stoppers 130 and 140 comes into direct contact with the gland packings 11 and 12 and the convex shape of the annular packing retainers 110 and 120 It is preferably a concave shape that can be fitted with.
- a thread groove 20 may be formed at a position where the annular packing retainers 1, 120 and the annular stoppers 130, 140 are in contact with each other, in order to apply and hold a tightening pressure to the gland packings 11, 12. Further, chamfered portions 21 may be formed on the outer peripheral portions of the annular packing retainers 110 and 120 and the annular stoppers 130 and 140 in order to facilitate screwing using a wrench or the like.
- the direction in which the tightening pressure is applied to the gland packing by the annular packing presser is the axial direction of the cylindrical base. It may be in any direction, up and down, and can be designed independently according to the purpose and application. Since the gas separator fixing structure of the present invention does not employ glass joining, brazing joining, etc., and fixes the gas separator to each metal member via a gland packing as a seal material, thermal expansion The gas separator is unlikely to be damaged due to the difference, and even if the temperature rises during actual use of the gas separator, sufficient airtightness is ensured and the load on the heat cycle is reduced. Also shows excellent durability. Furthermore, there is no need to retighten the packing retainer or the like at high temperatures, which reduces maintenance and inspection work.
- the maximum value of the operating temperature range of the gland packing is preferably at least 300 V, more preferably at least 35 Ot: and more preferably at least 450. Particularly preferred. This is because in order to increase the diffusion speed of hydrogen atoms and the like in the gas separation membrane, it is preferable that the gas separation membrane can be used at a high temperature.
- the upper limit of the maximum value of the operating temperature range of the gland packing is not particularly limited. However, from the viewpoint of substantial heat resistance and the like, it is generally 16500 or less. I just need.
- the maximum value of the operating temperature range of the gland packing in the non-oxidizing atmosphere is preferably at least 350 0, more preferably at least 450, and more preferably at least 600. Is particularly preferred.
- the upper limit of the maximum use temperature of the gland packing in a non-oxidizing atmosphere is not particularly limited, but from the viewpoint of substantial heat resistance and the like, it is approximately 1650. The following may be used.
- the main component of the gland packing is preferably expanded graphite. Since the gland packing mainly composed of expanded graphite has high heat resistance and high pressure resistance and is an excellent elastic body, the gas separator fixing structure of the present invention using this is a gas separator and a lid-like structure. Airtightness between the metal member and the annular metal member can be sufficiently ensured, and it can be used under high temperature and high pressure conditions.
- asbestos fibers there may be mentioned a metal fiber or the like, asbestos fibers human body Metal fibers are not preferred because they may damage the surface of the compression-fixed gas separation membrane due to concerns about adverse effects on . Therefore, these problems can be avoided by using expanded graphite as the main component of the gland packing.
- the cylindrical substrate made of porous ceramics which is one of the members constituting the gas separator fixing structure of the present invention, supports the gas separation membrane because the mechanical strength of the gas separation membrane alone is low.
- porous as used herein means, for example, having a large number of three-dimensionally continuous fine pores, and the pore diameter is preferably 0.003 to 20 m, and more preferably 0.03 to 20 m. 005-5 / zm is preferred. If the pore diameter is less than 0.003 m, the resistance when the gas passes therethrough increases. On the other hand, if the pore diameter exceeds 20 m, pinholes are likely to be formed in the gas separation membrane, which is not preferable.
- the porous ceramics constituting the cylindrical substrate is preferably alumina, which has an effect that the gas to be treated does not react.
- a porous cylindrical substrate made of alumina can be easily formed into a desired shape, for example, by a method described in JP-A-62-273030. can do.
- the cylindrical substrate has a plurality of through holes in parallel.
- the shape of the cylindrical substrate is not limited to a columnar shape, and may be, for example, a prismatic shape.
- a cylindrical or prismatic shape may be curved along its axis.
- the shape of the through hole is not limited to a linear shape, and may be, for example, a curved shape.
- the gas separation membrane is preferably a hydrogen separation membrane that selectively permeates hydrogen, and palladium or palladium is used as a metal constituting the gas separation membrane exhibiting such selective permeability.
- Contained metals are preferred.
- the metal containing palladium includes palladium alone and a palladium alloy. Palladium alloy is described in Journal of Membrane Science, 56 (1 991) 315-325: "Hydrogen Permeab le Pa 1 l adium-Silver Aloyoy Membrane Supported on Porous Cerami cs", Japanese Patent Laid-Open No. 6 As described in Japanese Patent Application Laid-Open No. 3-295402, the content of metals other than palladium is preferably from 10 to 30% by mass.
- the main purpose of alloying palladium is to prevent hydrogen embrittlement of palladium and to improve the separation efficiency at high temperatures. Also, containing silver as a metal other than palladium is preferable to prevent hydrogen embrittlement of palladium. Good.
- the surface covered by the gas separation membrane may be outside, inside, or both of the cylindrical substrate.
- a general known method can be used for coating the gas separation membrane on the cylindrical substrate. For example, a chemical plating method, a vacuum deposition method, a sputtering method, or the like can be used.
- the thermal expansion coefficient of the use temperature range of the constituent material of the cap-like metal member and or the annular metal member is less than at 1 OX 1 0- 6, 9 X 1 0- 6 Roh less still more preferably, particularly preferred arbitrariness not more than 8 X 1 0- 6 1 C.
- the thermal expansion coefficient of the tubular support made of porous ceramics or less in 1 0 X 1 0 _ 6, variation control of the stress values of the gland packing, and in terms of damage prevention, etc. of the tubular body, the tubular This is because it is preferable that the thermal expansion coefficients of the lid-shaped base member and the constituent materials of the lid-shaped metal member and the Z or annular metal member are close to each other.
- the thermal expansion coefficient of the constituent material of the lid-shaped metal member and / or the annular metal member is set to the value or less, it is possible to prevent leakage of the gas to be separated under high-temperature conditions, damage to the cylindrical base, and the like. be able to.
- the lower limit of the coefficient of thermal expansion of the constituent material of the lid-shaped metal member and / or the annular metal member is not particularly limited, but is approximately 0.4 from the viewpoint of easy availability of the material.
- X 10 _ 6 Z Anything above can be used without any problem.
- constituent metal suitable for the lid-shaped metal member and the metal member having a thermal expansion coefficient of 10 X 1 are not more than permalloy, Kovar, Invar, super invar, molybdenum, tungsten, iron, nickel alloys and the like can be mentioned, and it is particularly preferable to use permalloy. Etc. can be effectively prevented.
- the gas separator fixing structure of the present invention is preferably used in a temperature range of 250 to 165 O due to its excellent durability against thermal stress and thermal cycling. It can be used preferably in the temperature range of t, and more preferably in the temperature range of 300 to 600 "C.
- the total pressure of the gas to be treated is 0.1 to 1 OMP. It can be suitably used in a pressure range of a.
- the third aspect is a gas separation device provided with a pressure vessel, characterized in that an annular metal member, which is a part of any of the gas separator fixing structures described above, is fixed to the inner surface of the pressure vessel. The details will be described below.
- the annular metal member 4 more specifically, a part of the second packing holder 5 is joined to the flange 8 or the like by an appropriate joining method, for example, welding, so that the pressure, which is a component of the gas separation device, is increased. It is fixed to the inner surface of a container (not shown). Since one open end of the gas separator 10 is air-tightly closed by the lid-shaped metal member 1 via the gland packing 11, the separated gas that has passed through the gas separator 10 is converted into the annular metal member 4. Flows toward the fixed open end (through hole 7) and is taken out of the pressure vessel. Other gases in the gas to be treated do not pass through the gas separator and are discharged from an outlet (not shown) provided in the pressure vessel.
- the portion where the gas separator fixing structure is fixed to the inner surface of the pressure vessel has the through hole 7 in the gas separator fixing structure.
- the other end of the lid-shaped metal member 1 is not fixed to the inner surface of the pressure vessel (FIG. 1). Therefore, the expansion of the gas separator due to the heat cycle load
- FIG. 4 is a cross-sectional view showing one embodiment of the gas separation device of the present invention.
- the gas to be treated introduced from the inflow hole 101 enters the inside of the gas separator 10 through one end of the gas separator 10 through the through hole 7 of the flange 8.
- the separation gas selectively permeates through the gas separation membrane 30, exits the gas separator 10, and exits through the outflow hole 102.
- the non-permeated gas is discharged from the other end of the gas separator 10 through the outflow hole 103.
- reference numeral 105 denotes a lid
- reference numeral 106 denotes a fixing member.
- the gas to be treated when the gas to be treated is introduced from inside the gas separator, the gas to be treated is introduced from one end of the gas separator, and the non-permeate gas is discharged from the other end.
- the gas separation device may be damaged due to the difference in thermal expansion between the gas separator and the container body, or the structure connecting the gas separator and the outlet or inflow hole of the container body may be damaged.
- the outer peripheral surface of the container main body 104 has a bellows shape.
- the structure may be such that the gas separator 10 is allowed to expand in the axial direction.
- the bellows receives the pressure of the permeated gas. Since it is as small as 2MPa, the force acting to extend the bellows can be neglected.Also, as another method, the connection between the through hole and the outlet or inflow hole of the container is wrapped in a spring shape. For example, using a pipe having
- the gas separator has a cylindrical shape with an outer diameter of 10.7 mm, an inner diameter of 7.5 mm, a length of 40 mm, and a small pore size of 0.1 m.
- the metal palladium was used.
- a braided gland packing made of expanded graphite was used for the gland packing constituting the gas separator fixing structure, and a 45 g permalloy made for each metal member.
- a gas separator fixed structure having a configuration as shown in FIG. 1 was produced. First, two gland packings 1 1 and 12 are stored in the stuffing box 13, and the first packing gland 2 and the second packing gland 5 are lightly screwed in until they come into contact with the gland packings 1 1 and 12. Packing 11 and 12 were temporarily fixed. Next, the gas separator 10 described above was inserted into the lid-shaped metal member 1 and the annular metal member 4. At this time, the gas separator 10 was inserted until the opening end was deeper than the gland packings 11 and 12. Then, using a torque wrench, the first packing retainer 2 and the second packing retainer 5 are tightened in the axial direction at a pressure of 20 MPa and in the diameter direction (with respect to the gas separation membrane surface). The gas separator fixed structure was manufactured by tightening so that the tightening pressure (vertical direction) was about 1 OMPa.
- the above-mentioned gas separator fixing structure is fixed to a pressure vessel via a metal gasket. In this way, an airtight test was performed.
- the gas separator was heated from room temperature to 60 O: from the room temperature while introducing and holding argon gas at a pressure of 0.9 MPa on the treated side (outer peripheral side) of the gas separator. Cooled to room temperature. This temperature cycle was repeated five times, and the measurement was performed by measuring the flow rate of argon gas leaking to the separation gas side (inner peripheral side) at each of room temperature (25), 300, and 600 times. . Table 1 shows the results.
- the permissible amount of gas leakage from the seal part depends on the area of the separation membrane, the amount of hydrogen permeation, and the leakage amount of the gas to be treated from the pinhole of the separation membrane. Taking these conditions into consideration, it is assumed that the allowable gas leakage at the seal at 300 is about 3 Oml / min. At this time, as is clear from the results shown in Table 1, the gas separator-fixed structure of the present invention has a very small amount of leakage of argon gas even after a temperature cycle, that is, the allowable gas leakage amount of the seal portion.
- the use of the gas separation and fixing structure according to the present invention can provide a gas separation device that has a small gas leak and can be used for a long time.
- the predetermined metal member is fixed to the opening end of the gas separator via the gland packing, so that the gas separator is formed by thermal stress. And the gas separator due to thermal cycle load.
- the airtightness between the metal member which is a supporting material for supporting the metal member is unlikely to be reduced and that it can be used even under a high temperature condition.
- the gas separation device of the present invention since the above-described gas separator fixing structure is fixed to the inner surface of the pressure vessel in a predetermined state, the expansion and contraction of the gas separator caused by the load of the heat cycle. It is extremely unlikely to be damaged by long-term use, and can be used for a long time.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Hydrogen, Water And Hydrids (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02802053A EP1457250B1 (en) | 2001-10-23 | 2002-10-22 | Gas separating device |
US10/822,131 US6958087B2 (en) | 2001-10-23 | 2004-04-09 | Gas separator fixing structure and gas separating device using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001324411A JP3933907B2 (ja) | 2001-10-23 | 2001-10-23 | ガス分離体固定構造体及びそれを用いたガス分離装置 |
JP2001-324411 | 2001-10-23 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/822,131 Continuation US6958087B2 (en) | 2001-10-23 | 2004-04-09 | Gas separator fixing structure and gas separating device using the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003035230A1 true WO2003035230A1 (fr) | 2003-05-01 |
Family
ID=19141141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/010961 WO2003035230A1 (fr) | 2001-10-23 | 2002-10-22 | Structure de fixation de separateur de gaz et dispositif de separation de gaz utilisant ladite structure |
Country Status (4)
Country | Link |
---|---|
US (1) | US6958087B2 (ja) |
EP (1) | EP1457250B1 (ja) |
JP (1) | JP3933907B2 (ja) |
WO (1) | WO2003035230A1 (ja) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7255729B2 (en) * | 2003-05-30 | 2007-08-14 | Noritake Co., Limited | Porous cylindrical-body module, structure for supporting porous cylindrical bodies, and method for fastening a supporting member |
JP4897233B2 (ja) * | 2004-03-31 | 2012-03-14 | 日本アルコール産業株式会社 | 真空維持装置とその真空維持方法 |
US7297183B2 (en) * | 2004-09-20 | 2007-11-20 | Idatech, Llc | Hydrogen purification devices, components, and fuel processing systems containing the same |
RU2292232C2 (ru) * | 2004-10-25 | 2007-01-27 | Общество с ограниченной ответственностью "Объединенный центр исследований и разработок" (ООО "ЮРД-Центр") | Реактор для разделения газов и/или проведения химических реакций и способ его изготовления |
US7923105B2 (en) * | 2004-12-01 | 2011-04-12 | Ngk Insulators, Ltd. | Hydrogen separator and process for production thereof |
JP4490383B2 (ja) * | 2006-03-13 | 2010-06-23 | 日本碍子株式会社 | 水素ガス分離体固定構造体及びそれを用いた水素ガス分離装置 |
JP2008246314A (ja) * | 2007-03-29 | 2008-10-16 | Ngk Spark Plug Co Ltd | 水素分離装置及び燃料電池 |
JP2008246315A (ja) * | 2007-03-29 | 2008-10-16 | Ngk Spark Plug Co Ltd | 水素分離装置及び燃料電池 |
JP5814506B2 (ja) * | 2007-06-11 | 2015-11-17 | 日本碍子株式会社 | 水素分離膜、及び選択透過膜型反応器 |
EP2172255A4 (en) * | 2007-07-02 | 2012-09-26 | Toshiba Kk | HOHLFASERMEMBRANENTFEUCHTER |
JP5149026B2 (ja) * | 2008-02-06 | 2013-02-20 | 日本特殊陶業株式会社 | 水素分離装置 |
JP4898725B2 (ja) * | 2008-03-07 | 2012-03-21 | 日本特殊陶業株式会社 | 水素分離装置 |
CA2761080C (en) | 2009-05-18 | 2015-03-31 | Ngk Insulators, Ltd. | Ceramic filter and ceramic vapor-permeable filter |
US8101010B2 (en) | 2009-05-28 | 2012-01-24 | Corning Incorporated | Gas separation module |
JP5749474B2 (ja) * | 2010-02-22 | 2015-07-15 | 日本碍子株式会社 | ガス分離体固定構造体およびガス分離体固定構造体の使用方法 |
JP5554747B2 (ja) * | 2010-05-21 | 2014-07-23 | 日本特殊陶業株式会社 | ガスシール複合体及び該ガスシール複合体を備えた装置 |
IT1401192B1 (it) * | 2010-06-16 | 2013-07-12 | Enea Agenzia Naz Per Le Nuove Tecnologie L En E Lo Sviluppo Economico Sostenibile | Reattore a membrana per il trattamento di gas contenenti trizio |
EP2689828B1 (en) | 2011-03-22 | 2020-04-29 | NGK Insulators, Ltd. | Honeycomb-shaped ceramic separation-membrane structure |
JP2012239949A (ja) * | 2011-05-17 | 2012-12-10 | Hitachi Zosen Corp | 分離膜モジュールにおける分離膜エレメントの取付装置 |
JP6023068B2 (ja) | 2011-10-11 | 2016-11-09 | 日本碍子株式会社 | セラミックフィルタ |
EP2832429B1 (en) | 2012-03-30 | 2019-02-20 | NGK Insulators, Ltd. | Honeycomb shaped porous ceramic body, manufacturing method for same, and honeycomb shaped ceramic separation membrane structure |
JP5663634B2 (ja) * | 2013-07-16 | 2015-02-04 | 日立造船株式会社 | 分離膜モジュールの膜分離部材、分離膜モジュールにおける膜分離部材の取付装置および分離膜モジュール |
WO2016072421A1 (ja) | 2014-11-05 | 2016-05-12 | 日本碍子株式会社 | 梱包体、サブナノ膜構造体の保管または輸送方法、及びサブナノ膜構造体 |
DE112017001673T5 (de) | 2016-03-31 | 2019-01-10 | Ngk Insulators, Ltd. | Poröser Träger, Verfahren zur Herstellung des porösen Trägers, Trennmembranstruktur und Verfahren zur Herstellung der Trennmembranstruktur |
WO2017169363A1 (ja) | 2016-03-31 | 2017-10-05 | 日本碍子株式会社 | モノリス型基材及びその製造方法 |
DE112017001721T8 (de) | 2016-03-31 | 2019-02-21 | Ngk Insulators, Ltd. | Monolithische Trennmembranstruktur |
WO2024029569A1 (ja) * | 2022-08-02 | 2024-02-08 | 日本碍子株式会社 | 分離膜モジュール |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5624486Y2 (ja) * | 1978-06-08 | 1981-06-09 | ||
JPS5648539B2 (ja) * | 1976-05-07 | 1981-11-16 | ||
JPS58204880A (ja) * | 1982-05-21 | 1983-11-29 | 日立粉末冶金株式会社 | ガラスまたはセラミツクスに焼結材を接合する方法 |
JPS62273030A (ja) | 1986-05-20 | 1987-11-27 | Ise Kagaku Kogyo Kk | 水素分離用媒体の製造法 |
JPS63171617A (ja) | 1987-01-09 | 1988-07-15 | Shozaburo Saito | 水素選択透過性に優れた複合膜およびその製造法 |
EP0718031A1 (en) | 1994-12-19 | 1996-06-26 | Bend Research, Inc. | Composite hydrogen separation element and module |
US5614001A (en) * | 1994-05-23 | 1997-03-25 | Ngk Insulators, Ltd. | Hydrogen separator, hydrogen separating apparatus and method for manufacturing hydrogen separator |
JP2740969B2 (ja) * | 1989-10-04 | 1998-04-15 | イビデン株式会社 | 半導体搭載用基板 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2671337A (en) * | 1951-03-31 | 1954-03-09 | Universal Oil Prod Co | Hydrogen analyzer |
US3437357A (en) * | 1967-02-01 | 1969-04-08 | Engelhard Ind Inc | Seal for thin tubing |
US3761382A (en) * | 1972-06-21 | 1973-09-25 | Triangle Environment Corp | Ers and the like apparatus for generating purifying and delivering hydrogen for analyz |
US5131261A (en) * | 1988-08-26 | 1992-07-21 | The Dow Chemical Company | Permeation measurement device |
DE3916511A1 (de) * | 1989-05-20 | 1990-12-13 | Seitz Filter Werke | Membranfiltervorrichtung zur mikro- und ultrafiltration von fluiden im crossflow-verfahren |
US6139810A (en) * | 1998-06-03 | 2000-10-31 | Praxair Technology, Inc. | Tube and shell reactor with oxygen selective ion transport ceramic reaction tubes |
DE19846041A1 (de) * | 1998-10-07 | 2000-04-20 | Membraflow Gmbh & Co Kg Filter | Membranmodul |
BR9914560A (pt) * | 1998-10-14 | 2001-06-26 | Ida Tech Llc | Reformador de vapor, e, processo para produzir hidrogênio que contenha concentrações de monóxido de carbono e de dióxido de carbono abaixo de um nìvel mìnimo definido |
US6248157B1 (en) * | 1999-08-20 | 2001-06-19 | Systec Inc. | Vacuum degassing |
JP2001246232A (ja) * | 2000-03-03 | 2001-09-11 | Japan Gore Tex Inc | ガス透過膜装置 |
US6454274B2 (en) * | 2000-03-27 | 2002-09-24 | Praxair Technology, Inc. | Joint assembly for joining a ceramic membrane to a tube sheet |
JP3770791B2 (ja) * | 2000-12-19 | 2006-04-26 | 株式会社ノリタケカンパニーリミテド | 高温対応型膜型改質器 |
GB0106478D0 (en) * | 2001-03-16 | 2001-05-02 | Univ Robert Gordon | Apparatus and method |
US6554015B1 (en) * | 2001-08-07 | 2003-04-29 | The United States Of America As Represented By The United States Department Of Energy | Single piece silver/palladium cell for adjusting or measuring a level of hydrogen and methods therefor |
MXPA04002508A (es) * | 2001-09-17 | 2004-05-31 | Ngk Insulators Ltd | Metodo para preparar membrana de zeolita tipo ddr, membrana de zeolita tipo ddr y membrana de zeolita tipo ddr compuesta y metodo para preparar las mismas. |
-
2001
- 2001-10-23 JP JP2001324411A patent/JP3933907B2/ja not_active Expired - Lifetime
-
2002
- 2002-10-22 EP EP02802053A patent/EP1457250B1/en not_active Expired - Lifetime
- 2002-10-22 WO PCT/JP2002/010961 patent/WO2003035230A1/ja active Application Filing
-
2004
- 2004-04-09 US US10/822,131 patent/US6958087B2/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5648539B2 (ja) * | 1976-05-07 | 1981-11-16 | ||
JPS5624486Y2 (ja) * | 1978-06-08 | 1981-06-09 | ||
JPS58204880A (ja) * | 1982-05-21 | 1983-11-29 | 日立粉末冶金株式会社 | ガラスまたはセラミツクスに焼結材を接合する方法 |
JPS62273030A (ja) | 1986-05-20 | 1987-11-27 | Ise Kagaku Kogyo Kk | 水素分離用媒体の製造法 |
JPS63171617A (ja) | 1987-01-09 | 1988-07-15 | Shozaburo Saito | 水素選択透過性に優れた複合膜およびその製造法 |
JP2740969B2 (ja) * | 1989-10-04 | 1998-04-15 | イビデン株式会社 | 半導体搭載用基板 |
US5614001A (en) * | 1994-05-23 | 1997-03-25 | Ngk Insulators, Ltd. | Hydrogen separator, hydrogen separating apparatus and method for manufacturing hydrogen separator |
EP0718031A1 (en) | 1994-12-19 | 1996-06-26 | Bend Research, Inc. | Composite hydrogen separation element and module |
Also Published As
Publication number | Publication date |
---|---|
EP1457250B1 (en) | 2013-02-27 |
JP3933907B2 (ja) | 2007-06-20 |
JP2003126662A (ja) | 2003-05-07 |
EP1457250A4 (en) | 2007-06-13 |
US20040187690A1 (en) | 2004-09-30 |
US6958087B2 (en) | 2005-10-25 |
EP1457250A1 (en) | 2004-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2003035230A1 (fr) | Structure de fixation de separateur de gaz et dispositif de separation de gaz utilisant ladite structure | |
JP4490383B2 (ja) | 水素ガス分離体固定構造体及びそれを用いた水素ガス分離装置 | |
US5518530A (en) | Connected body comprising a gas separator and a metal, and apparatus for separating hydrogen gas from a mixed gas | |
US9822917B2 (en) | Tube end connector and zeolite separation membrane element | |
JP3402515B2 (ja) | 水素分離体とそれを用いた水素分離装置及び水素分離体の製造方法 | |
KR20010066896A (ko) | 상이한 물질의 밀봉에 이용되는 유연성 고온 시일 | |
FI122170B (fi) | Vedyn erotusmembraani | |
JP5135844B2 (ja) | 中空糸膜モジュール | |
JP4890938B2 (ja) | ガス分離管収容構造体 | |
JP3770791B2 (ja) | 高温対応型膜型改質器 | |
EP2011778B1 (en) | Composite ceramic body, method of manufacturing the same and ceramic filter assembly | |
JP2016193426A (ja) | 分子篩膜構造体の製造方法 | |
JP5749474B2 (ja) | ガス分離体固定構造体およびガス分離体固定構造体の使用方法 | |
JPH07112111A (ja) | 水素ガス分離装置 | |
JP7119334B2 (ja) | 分離膜モジュール | |
US6547286B1 (en) | Joint for connecting ceramic element to a tubesheet | |
JP5012204B2 (ja) | ハウジング装着中空糸膜モジュール | |
Zheng et al. | Defect size analysis approach combined with silicate gel/ceramic particles for defect repair of Pd composite membranes | |
JP2004019879A (ja) | シールユニット及びシール材ならびにその利用 | |
JP2013034913A (ja) | 水素分離装置 | |
JP3821019B2 (ja) | セラミックス中空糸膜モジュール | |
JP2004181412A (ja) | 水素ガス分離後の後処理方法 | |
JP5176373B2 (ja) | ハウジング装着中空糸膜モジュール | |
JP2003326138A (ja) | 多孔質セラミックス中空糸膜の端部封止方法 | |
JP2020040030A (ja) | ガス分離装置および膜反応器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SI SK SL TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 10822131 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002802053 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2002802053 Country of ref document: EP |