CN104496068A - Waste heat power generation boiler make-up water treatment system with flushing function - Google Patents
Waste heat power generation boiler make-up water treatment system with flushing function Download PDFInfo
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- CN104496068A CN104496068A CN201410671948.XA CN201410671948A CN104496068A CN 104496068 A CN104496068 A CN 104496068A CN 201410671948 A CN201410671948 A CN 201410671948A CN 104496068 A CN104496068 A CN 104496068A
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- reverse osmosis
- water
- pressure pump
- cleaning
- filter element
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/04—Surfactants, used as part of a formulation or alone
Abstract
The invention discloses a waste heat power generation boiler make-up water treatment system with flushing function. The system comprises a quartz sand filter, an activated carbon filter, a first stage high pressure pump, a first stage reverse osmosis system, a second stage high pressure pump and a second stage reverse osmosis system; and the also includes a PAC addition system, a PAM addition system, a scale inhibitor addition system, a reducing agent system and a cleaning system, wherein the cleaning system comprises a cleaning tank, a cleaning pump and a cleaning filter. According to the cleaning system of the invention, the cleaning pump pumps out the cleaning liquid in the cleaning tank, and the cleaning liquid is treated by the cleaning filter and sent to the first stage reverse osmosis system and the second stage reverse osmosis system; the cleaning liquid from the first stage reverse osmosis system and the second stage reverse osmosis system flows back to the cleaning tank to form circulating flushing; therefore, the system can conveniently clean and maintain the water treatment system, avoid scaling of the reverse osmosis system and ensure long-term reliable operation of the system.
Description
Technical field
The present invention relates to a kind of water treating equipment, particularly a kind for the treatment of facility of boiler of power generation by waste heat supplementary feed.
Background technology
Waste heat boiler, as the term suggests refer to that the heat produced after utilizing the waste heat in the waste gas in various commercial run, waste material or waste liquid and combustiblesubstance burning thereof is heated to water in the boiler of certain working medium, waste heat boiler can be produced steam by waste heat recovery and drive generating set to generate electricity.
The specification of quality of boiler feedwater needed for Waste Heat Generation to water is higher, as it requires ratio of desalinization: in 1 year >=95%; In 3 years >=92%; Hardness: < 0.5PPM (CaCO3); Solvable silicon: < 0.5PPM (SiO2); Fe, Mn:< 0.01PPM; If can't meet the quality requirement of supplementary feed, then waste heat boiler can reduce utilization ratio to the waste heat produced in commercial run greatly because of reasons such as foulings, and then reduces generated energy.
But the water after water treating equipment process of the prior art can not reach the specification of quality of supplementary feed needed for Waste Heat Generation.
And existing filtered water treatment unit does not have automatic flushing function, make its clean and maintenance accessibility in use inadequate.
Summary of the invention
In view of this, the object of this invention is to provide a kind of boiler of power generation by waste heat make up water treatment system with backwashing function, to meet the requirement of Waste Heat Generation equipment to supplementary feed quality.
The boiler of power generation by waste heat make up water treatment system of band backwashing function of the present invention, comprises the source water tank, raw water pump, quartz filter, activated charcoal filter, intermediate water tank, conveying pump, cartridge filter, one-level high-pressure pump, first-stage reverse osmosis system, secondary high-pressure pump, two-stage reverse osmosis system, pure water tank and the pure water pump that connect successively along water (flow) direction;
Also comprise the NAOH add-on system being arranged on PAC add-on system between raw water pump and quartz filter and PAM add-on system, being arranged on Scale inhibitors add-on system between cartridge filter and one-level high-pressure pump and reductive agent add-on system and being arranged between first-stage reverse osmosis system and secondary high-pressure pump;
Also comprise cleaning system, described cleaning system comprises the cleaning case, scavenging pump and the filter rinsed that connect successively along water (flow) direction, the water side of described filter rinsed is connected with the feed-water end of one-level high-pressure pump and secondary high-pressure pump respectively, and described first-stage reverse osmosis system is connected with cleaning case respectively with the water side of two-stage reverse osmosis system.
Further, described first-stage reverse osmosis system comprises the first reverse osmosis membrane filter element, second reverse osmosis membrane filter element and the 3rd reverse osmosis membrane filter element, described first reverse osmosis membrane filter element is connected with the water side of one-level high-pressure pump with the feed-water end of the second reverse osmosis membrane filter element, described first reverse osmosis membrane filter element and the second reverse osmosis membrane filter element pure water outlet be connected with the feed-water end of secondary high-pressure pump, described first reverse osmosis membrane filter element and the second reverse osmosis membrane filter element sewage outlet be connected with the feed-water end of the 3rd reverse osmosis membrane filter element, the pure water outlet of described 3rd reverse osmosis membrane filter element is connected with the feed-water end of secondary high-pressure pump.
Further, described cleaning system also comprises the first circulating line of connecting first-stage reverse osmosis system water side and one-level high-pressure pump feed-water end and is connected the water side of two-stage reverse osmosis system and the second circulating line of secondary high-pressure pump feed-water end.
Further, described raw water pump and conveying pump are two and are arranged in parallel.
Beneficial effect of the present invention:
1, the boiler of power generation by waste heat make up water treatment system of band backwashing function of the present invention, when normally running, cleaning system does not work, the valve closes on cleaning system pipeline; When needing to clean reverse osmosis system, cleaning system works, scavenging solution in cleaning case pumps by scavenging pump, first-stage reverse osmosis system and two-stage reverse osmosis system is sent into respectively after filter rinsed process, the scavenging solution that first-stage reverse osmosis system and two-stage reverse osmosis system flow out flows back to cleaning case again, forms circulation flushing, thus can carry out clean and maintenance to water treatment system easily, avoid reverse osmosis system fouling, ensure that it runs reliably and with long-term.
2, the boiler of power generation by waste heat make up water treatment system of band backwashing function of the present invention, its quartz filter is in order to remove suspended substance in tap water, mud, colloid, and its activated charcoal filter is in order to remove organism in water, germ and absorption chlorine residue; Cartridge filter is in order to the particle of more than 5 μm in trap water, and colloid, suspended substance, to protect reverse osmosis membrane, guarantee the normal operation of system; First-stage reverse osmosis system and two-stage reverse osmosis system are in order to remove ion range in water and the very little organism of molecular weight, can reach 99.9% organism and removal of bacteria rate and 98% salt clearance, thus meet the service requirements of Waste Heat Generation supplementary feed, under ensureing waste heat boiler long-time running state, there is good thermal conversion efficiency.
3, the boiler of power generation by waste heat make up water treatment system of band backwashing function of the present invention, PAC (aluminium chlorohydroxide) and PAM (polypropylene acyl ammonia) is added respectively by PAC add-on system and PAM add-on system, after PAC adds can with small colloid, suspended substance in water even larger molecular organics mutually collide and bond, eliminate the Coulomb repulsion between colloidal solid, colloidal particle are made to become unsteady state, and make coalesces form larger particles, thus reach the object of precipitation, be equipped with PAM coagulant aids effect particularly remarkable; PAM is a kind of organic polymer coagulating agent, after water-soluble, can poly-condensation and hydrolysis be produced and form the high polymers of linear structure, this structure makes the two ends of line respectively adsorb colloidal solid, between apart from each other two particulates, play bonding bridging action, make particulate progressively become large, form oarse-grained flocs unit (alumen ustum), help the colloidal particle neutralized to condense further, be beneficial to the thorough removal of strainer to water-borne glue body, suspended substance.
4, the boiler of power generation by waste heat make up water treatment system of band backwashing function of the present invention, because the salt fed water in reverse osmosis process is concentrated, so that salt concentration likely exceedes their solubleness, in order to prevent dense water end (W.E.), the particularly dense water side CaCO of the 3rd reverse osmosis membrane filter element
3, CaSO
4concentration is long-pending is greater than its equilibrium solubility index and crystallization, thus destruction membrane element should have characteristic, therefore adopt and add organic compound Scale inhibitors and reductive agent at one-level high-pressure pump feed-water end place, increase the solubleness of salt in water, thus make salt with concentrated water discharge.
5, the boiler of power generation by waste heat make up water treatment system of band backwashing function of the present invention, the salt ion that its NAOH add-on system adds in NAOH and water reacts, thus can improve the clearance of salt ion further, improves the ratio of desalinization of boiler feedwater.
Accompanying drawing explanation
Fig. 1 is the structural representation of the boiler of power generation by waste heat make up water treatment system of band backwashing function of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in the figure, the boiler of power generation by waste heat make up water treatment system of the present embodiment band backwashing function, comprises the source water tank 1, raw water pump 2, quartz filter 3, activated charcoal filter 4, intermediate water tank 5, conveying pump 6, cartridge filter 7, one-level high-pressure pump 8, first-stage reverse osmosis system 9, secondary high-pressure pump 10, two-stage reverse osmosis system 11, pure water tank 12 and the pure water pump 13 that connect successively along water (flow) direction;
Also comprise the NAOH add-on system 18 being arranged on PAC add-on system 14 between raw water pump and quartz filter and PAM add-on system 15, being arranged on Scale inhibitors add-on system 16 between cartridge filter and one-level high-pressure pump and reductive agent add-on system 17 and being arranged between first-stage reverse osmosis system and secondary high-pressure pump;
Also comprise cleaning system, described cleaning system comprises the cleaning case 19, scavenging pump 20 and the filter rinsed 21 that connect successively along water (flow) direction, the water side of described filter rinsed is connected with the feed-water end of one-level high-pressure pump and secondary high-pressure pump respectively, and described first-stage reverse osmosis system is connected with cleaning case respectively with the water side of two-stage reverse osmosis system.
The boiler of power generation by waste heat make up water treatment system of the present embodiment band backwashing function, when normally running, cleaning system does not work, the valve closes on cleaning system pipeline; When needing to clean reverse osmosis system, cleaning system works, scavenging solution in cleaning case pumps by scavenging pump, first-stage reverse osmosis system and two-stage reverse osmosis system is sent into respectively after filter rinsed process, the scavenging solution that first-stage reverse osmosis system and two-stage reverse osmosis system flow out flows back to cleaning case again, forms circulation flushing, thus can carry out clean and maintenance to water treatment system easily, avoid reverse osmosis system fouling, ensure that it runs reliably and with long-term.
Further, the boiler of power generation by waste heat make up water treatment system of the present embodiment band backwashing function, its quartz filter is in order to remove suspended substance in tap water, mud, colloid, and its activated charcoal filter is in order to remove organism in water, germ and absorption chlorine residue; After quartz filter and activated charcoal filter process, water quality can reach the inflow requirement of reverse osmosis filter; Cartridge filter is in order to the particle of more than 5 μm in trap water, and colloid, suspended substance, to protect reverse osmosis membrane, guarantee the normal operation of system; First-stage reverse osmosis system and two-stage reverse osmosis system are in order to remove ion range in water and the very little organism of molecular weight, can reach 99.9% organism and removal of bacteria rate and 98% salt clearance, thus meet the service requirements of Waste Heat Generation supplementary feed, under ensureing waste heat boiler long-time running state, there is good thermal conversion efficiency.
Further, the boiler of power generation by waste heat make up water treatment system of the present embodiment band backwashing function, PAC (aluminium chlorohydroxide) and PAM (polypropylene acyl ammonia) is added respectively by PAC add-on system and PAM add-on system, after PAC adds can with small colloid, suspended substance in water even larger molecular organics mutually collide and bond, eliminate the Coulomb repulsion between colloidal solid, colloidal particle are made to become unsteady state, and make coalesces form larger particles, thus reach the object of precipitation, be equipped with PAM coagulant aids effect particularly remarkable; PAM is a kind of organic polymer coagulating agent, after water-soluble, can poly-condensation and hydrolysis be produced and form the high polymers of linear structure, this structure makes the two ends of line respectively adsorb colloidal solid, between apart from each other two particulates, play bonding bridging action, make particulate progressively become large, form oarse-grained flocs unit (alumen ustum), help the colloidal particle neutralized to condense further, be beneficial to the thorough removal of strainer to water-borne glue body, suspended substance.
Further, the boiler of power generation by waste heat make up water treatment system of the present embodiment band backwashing function, because the salt fed water in reverse osmosis process is concentrated, so that salt concentration likely exceedes their solubleness, in order to prevent dense water end (W.E.), the particularly dense water side CaCO of the 3rd reverse osmosis membrane filter element
3, CaSO
4concentration is long-pending is greater than its equilibrium solubility index and crystallization, thus destruction membrane element should have characteristic, therefore adopt and add organic compound Scale inhibitors and reductive agent at one-level high-pressure pump feed-water end place, increase the solubleness of salt in water, thus make salt with concentrated water discharge.
Further, the boiler of power generation by waste heat make up water treatment system of the present embodiment band backwashing function, the salt ion that its NAOH add-on system adds in NAOH and water reacts, thus can improve the clearance of salt ion further, improves the ratio of desalinization of boiler feedwater.
As the improvement to the present embodiment, described first-stage reverse osmosis system comprises the first reverse osmosis membrane filter element 91, second reverse osmosis membrane filter element 92 and the 3rd reverse osmosis membrane filter element 93, described first reverse osmosis membrane filter element is connected with the water side of one-level high-pressure pump with the feed-water end of the second reverse osmosis membrane filter element, described first reverse osmosis membrane filter element and the second reverse osmosis membrane filter element pure water outlet be connected with the feed-water end of secondary high-pressure pump, described first reverse osmosis membrane filter element and the second reverse osmosis membrane filter element sewage outlet be connected with the feed-water end of the 3rd reverse osmosis membrane filter element, the pure water outlet of described 3rd reverse osmosis membrane filter element is connected with the feed-water end of secondary high-pressure pump, by arranging the first reverse osmosis membrane filter element and the water outlet of the second reverse osmosis membrane filter element to one-level high-pressure hydraulic pump processes, processing efficiency can be ensured, pass through the 3rd reverse osmosis membrane filter element to first simultaneously, the sewage of the second reverse osmosis membrane filter element processes, source Water Sproading rate can be improved.
As the improvement to the present embodiment, described cleaning system also comprises the first circulating line 22 of connecting first-stage reverse osmosis system water side and one-level high-pressure pump feed-water end and is connected the water side of two-stage reverse osmosis system and the second circulating line 23 of secondary high-pressure pump feed-water end; This improvement makes scavenging solution can in one-level high-pressure pump, form partial circulating between first-stage reverse osmosis system and the first circulating line, and scavenging solution is in secondary high-pressure pump, form partial circulating between two-stage reverse osmosis system and the second circulating line, thus scavenging solution circulating path can be shortened, reduce cleaning energy consumption, improve scavenging solution utilization ratio.
As the improvement to the present embodiment, described raw water pump 2 and conveying pump 6 are two and are arranged in parallel, and assure feed water amount can better tackle fault of water pump, make system reliability service.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (4)
1. the boiler of power generation by waste heat make up water treatment system with backwashing function, is characterized in that: comprise the source water tank, raw water pump, quartz filter, activated charcoal filter, intermediate water tank, conveying pump, cartridge filter, one-level high-pressure pump, first-stage reverse osmosis system, secondary high-pressure pump, two-stage reverse osmosis system, pure water tank and the pure water pump that connect successively along water (flow) direction;
Also comprise the NAOH add-on system being arranged on PAC add-on system between raw water pump and quartz filter and PAM add-on system, being arranged on Scale inhibitors add-on system between cartridge filter and one-level high-pressure pump and reductive agent add-on system and being arranged between first-stage reverse osmosis system and secondary high-pressure pump;
Also comprise cleaning system, described cleaning system comprises the cleaning case, scavenging pump and the filter rinsed that connect successively along water (flow) direction, the water side of described filter rinsed is connected with the feed-water end of one-level high-pressure pump and secondary high-pressure pump respectively, and described first-stage reverse osmosis system is connected with cleaning case respectively with the water side of two-stage reverse osmosis system.
2. the boiler of power generation by waste heat make up water treatment system of band backwashing function according to claim 1, it is characterized in that: described first-stage reverse osmosis system comprises the first reverse osmosis membrane filter element, second reverse osmosis membrane filter element and the 3rd reverse osmosis membrane filter element, described first reverse osmosis membrane filter element is connected with the water side of one-level high-pressure pump with the feed-water end of the second reverse osmosis membrane filter element, described first reverse osmosis membrane filter element and the second reverse osmosis membrane filter element pure water outlet be connected with the feed-water end of secondary high-pressure pump, described first reverse osmosis membrane filter element and the second reverse osmosis membrane filter element sewage outlet be connected with the feed-water end of the 3rd reverse osmosis membrane filter element, the pure water outlet of described 3rd reverse osmosis membrane filter element is connected with the feed-water end of secondary high-pressure pump.
3. the boiler of power generation by waste heat make up water treatment system of band backwashing function according to claim 1, is characterized in that: described cleaning system also comprises the first circulating line of connecting first-stage reverse osmosis system water side and one-level high-pressure pump feed-water end and is connected the water side of two-stage reverse osmosis system and the second circulating line of secondary high-pressure pump feed-water end.
4. the boiler of power generation by waste heat make up water treatment system of band backwashing function according to claim 1, is characterized in that: described raw water pump and conveying pump are two and are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671948.XA CN104496068A (en) | 2014-11-19 | 2014-11-19 | Waste heat power generation boiler make-up water treatment system with flushing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410671948.XA CN104496068A (en) | 2014-11-19 | 2014-11-19 | Waste heat power generation boiler make-up water treatment system with flushing function |
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| CN104496068A true CN104496068A (en) | 2015-04-08 |
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| CN201410671948.XA Pending CN104496068A (en) | 2014-11-19 | 2014-11-19 | Waste heat power generation boiler make-up water treatment system with flushing function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002603A (en) * | 2018-02-01 | 2018-05-08 | 苏州迪森能源技术有限公司 | Paper-making drying cylinder and boiler water cycle processing system and processing method |
| CN108101269A (en) * | 2018-02-06 | 2018-06-01 | 苏州迪森能源技术有限公司 | Boiler water treatment system |
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| CN204342568U (en) * | 2014-11-19 | 2015-05-20 | 重庆中科过滤设备制造有限公司 | With the boiler of power generation by waste heat make up water treatment system of backwashing function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002603A (en) * | 2018-02-01 | 2018-05-08 | 苏州迪森能源技术有限公司 | Paper-making drying cylinder and boiler water cycle processing system and processing method |
| CN108101269A (en) * | 2018-02-06 | 2018-06-01 | 苏州迪森能源技术有限公司 | Boiler water treatment system |
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Application publication date: 20150408 |