CN101590367B - Rotational flow fog curtain desulfurization and dust removal device - Google Patents
Rotational flow fog curtain desulfurization and dust removal device Download PDFInfo
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- CN101590367B CN101590367B CN2009101278723A CN200910127872A CN101590367B CN 101590367 B CN101590367 B CN 101590367B CN 2009101278723 A CN2009101278723 A CN 2009101278723A CN 200910127872 A CN200910127872 A CN 200910127872A CN 101590367 B CN101590367 B CN 101590367B
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- silt
- desulfurization
- dust
- rotational flow
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Abstract
The invention provides a rotational flow fog curtain desulfurization and dust removal device, and belongs to the technical field of environmental protection equipment. The device comprises a rotational flow fog curtain desulfurization and dust removal chamber, a two-stage overtopping filter device, and a chain plate silt discharging device, wherein a sandwich space between an inner cylinder and an outer cylinder of the rotational flow fog curtain desulfurization and dust removal chamber is provided with a group of three-channel rotational flow atomizer; alkali desulfurization and dust removalwater tangentially enters an axial ring-shaped channel from the second channel, fully dispersed by pressurized air in the third channel, and further impacted for dispersion by high-pressure air flow in the first channel on a water injection nozzle to form an alkali fog curtain with quite high dispersion degree, so that dust particles in the dust can be effectively captured, SO2 can be neutralizedand absorbed, the silt collecting water is purified by the two-stage overtopping filter device for recycling, and the residue is discharged by the scraper type silt discharging device. The device is mainly used for comprehensively treating high-temperature high-moisture superfine dust, and the dust particles in the dust are effectively captured and the SO2 is absorbed in low process cost; moreover, the high-efficiency separation of the silt and water and the recycling of the desulfurization silt collecting water are realized, so that the secondary pollution is avoided radically.
Description
Technical field
The invention belongs to the environmental protection equipment technical field, be applied to the comprehensive regulation of hot and humid ultrafine dust flue gas.
Background technology
The 638th tackling key problem technical barrier in Jiangsu Province's 841 route cards classified in the comprehensive regulation of hot and humid high-sulfur ultrafine dust flue gas as.Existing flue gas dry desulfurizing technology, invest very big, and many not comprehensive regulation dust; Existing sack cleaner is administered the ultrafine dust wet flue gas, needs certain processing range, and temperature can not be too high, humidity can not dewfall, sticks with paste bag and often improves flue-gas temperature in the production technology for preventing dewfall, not only increases production cost, reduce the cloth bag life-span, and be difficult to filter SO
2Gas; Traditional spray process can not reach the dedusting standard because fogging degree is not enough, and is difficult to solve the secondary pollution problem of water of gathering dust.
Summary of the invention
The object of the invention is to provide a kind of rotational flow fog curtain desulfurization and dust removal device that can overcome above-mentioned defective, with lower production cost, realizes hot and humid flue gas desulfurization and dedusting effect preferably.
The technical solution adopted in the present invention is:
Rotational flow fog curtain desulfurization and dust removal device contains: rotational flow fog curtain desulfurization dirt pocket, secondary formula filter, the carrier bar row silt device that overflows.Vortex air inlet, outer cylinder body, inner barrel, triple channel swirling flow atomizing device, axial flow blower are contained in swirling flow atomizing desulfurization dust chamber, the vortex air inlet connects the outer cylinder body downside, the mezzanine space of inside and outside cylindrical shell is installed one group of triple channel swirling flow atomizing device, water jet upwards, discharge resistance to reduce flue gas, cylinder top installation shaft flow fan, the auxiliary discharge purifies flue gas; Collection pipe and the secondary formula filter that overflows that becomes silted up in cylindrical shell lower end is connected; Triple channel swirling flow atomizing device contains nozzle, nozzle body, nozzle core, eddy flow water inlet, central air hose, peripheral airduct, disperse the nozzle of face before nozzle body front end connecting band is spherical, the nozzle core in wind hole, connecting band center, rear end, wind hole, center is coaxial with jet hole, be first passage, communicate with central air hose; Nozzle body inner surface, nozzle core outer surface are formed axial circular passage, and be coaxial with first passage; Tangential entry is offered in the nozzle body side, be connected with hollow type eddy flow water inlet, be second channel, link to each other with inlet valve, eddy flow water inlet outer surface and nozzle body tangential entry inner surface form tangential circular passage, be third channel, be communicated with peripheral airduct, third channel is coaxial with second channel, outlet all tangentially crosses with axial circular passage, and alkaline desulfurization and dedusting water is fully disperseed by the pressure air of third channel when second channel tangentially enters axial circular passage, further impacted dispersion by the high pressure draught of first passage again at water jet, after the crown aperture of dispersing face of dribbling sprays, form the very high alkaline veil of decentralization; The secondary formula filter that overflows is formed by coarse filtration case, smart Rose Box, recycle-water PH adjusting tank serial connection, coarse filtration upper box part cylinder, and the bottom conical surface, bottom, post side connects the collection pipe that becomes silted up, middle part horizontal coarse filtration layer, the top overfall is connected with bottom, smart Rose Box side; Center disposed upright swinging is scraped the silt device, and it is consistent with the bottom conical surface to scrape silt blading tapering, and conical surface bottom angled and carrier bar row silt device advance Yu Kou and fuse; Smart Rose Box bottom blow-down pipe connects effluent cycle pump intake, coarse filtration box column basifacial refluxing opening successively, the smart filter course of middle part horizontal, top overfall triple channel connects PH and detects connection supersaturation limewash feeding device on mouth, the recycle-water PH adjusting tank, according to the Ca in the additional recycle-water of PH detected value
++And OH
-Make recycle-water have enough desulphurizing abilities.
System is work like this:
Pending flue gas tangentially enters the annular gap space between the inside and outside cylindrical shell of swirling flow atomizing desulfurization dust chamber from the vortex air inlet, rotation upwards, be subjected to the rotating fluid force field, the centrifugal wall that hits of meal dirt falls, fall into collection silt pipe, mezzanine space has been installed one group of triple channel swirling flow atomizing device, the alkalescence press water enters the spin chamber of triple channel atomizer, by the pressure air aerosol dispersion of peripheral airduct, at the nozzle bore place, further disperseed by the pressure-air of nozzle core centre bore again, thereby when the spray nozzle front end centre bore sprays, form the alkaline veil of good dispersion from level to level, not only neutralization absorbs the SO in the flue dust
2, and make that the ultrafine dust lotus is wet increases the weight of, quickens the centrifugal wall that hits, through collection silt manifold collection, enter the overflow coarse filtration case of formula filter of secondary, through the purification flue gas of desulfurization and dedusting through axial flow blower suction discharge; Enter the collection silt water of coarse filtration case, sludge sinks, and for preventing the attached wallboard knot of sludge, the coarse filtration lower box part is made the tapering, scrapes the silt device with the similar swinging of the conical surface and strikes off sludge, falls into the bottom, is upwards discharged by the carrier bar row silt device of bottom angle mount, does him in addition and uses; Collection silt water is gradually poly-to rise, filter course overflows, the thin dirt that suspends in the water is tackled through the coarse filtration layer, sink, water overflows on the course after filtration and enters smart Rose Box through overfall, through same reverse filtration mechanism, water through thin filter course after overfall (two), pH value detect mouthful, enter recycle-water PH adjusting tank, according to the Ca in the additional recycle-water of PH detected value
++And OH
-Make recycle-water have enough desulphurizing abilities, provide pressure alkalescence atomized water to triple channel swirling flow atomizing device through circulating pump.Essence Rose Box lower floor contains silt water, regularly sends the coarse filtration case back to sewage pump.
The invention has the beneficial effects as follows:
1. adopt the rotating centrifugal field of force to add alkaline veil and absorb adhesion, the grit and the neutralization that can effectively capture in the flue dust absorb SO
2
2. adopt overflow formula filter method and gravity is heavy becomes silted up of two-stage tandem, revolution is scraped and is become silted up and technology such as carrier bar row silts, and filter course is difficult for obstruction, life-span is longer, realize that with lower technology cost silt water efficiently separates, the water circulating and recovering that the desulfurization collection becomes silted up has fundamentally been avoided secondary pollution.
Description of drawings
Now further specify in conjunction with diagram and embodiment:
Fig. 1 is a fundamental diagram of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the triple channel swirling flow atomizing general ability portion enlarged drawing among Fig. 1;
Fig. 4 is the C-C cutaway view of Fig. 3;
Among the figure: 1-vortex air inlet; The 2-outer cylinder body; 3-triple channel swirling flow atomizing device; The 4-inner barrel; 5-axial flow blower 6-rotational flow fog curtain desulfurization dirt pocket; The 7-collection becomes silted up and manages; 8-coarse filtration case, 9-coarse filtration layer; 10-overfall (one); The smart Rose Box of 11-; The smart filter course of 12-; 13-overfall (two); 14-limewash hopper; 15-recycle-water PH adjusting tank; The 16-circulating pump; The 17-PH value detects mouth; The 18-sewage pump; The 19-swinging is scraped the silt device; The 20-secondary formula filter that overflows; 21-carrier bar row silt device.The 22-nozzle; 23-nozzle body: 24-nozzle core; The 25-central air hose; 26-central air hose valve; The 27-inlet valve; 28-eddy flow water inlet; The peripheral airduct of 29-; The peripheral airduct valve of 30-;
The specific embodiment
Pending flue gas tangentially enters the outer cylinder body 2 of swirling flow atomizing desulfurization dust chamber 6 and the mezzanine space between the inner barrel 4 from vortex air inlet 1, rotation upwards, be subjected to the rotating fluid force field, the centrifugal wall that hits of meal dirt, fall into collection silt pipe 7, mezzanine space is installed one group of triple channel swirling flow atomizing device 3, the water jet of triple channel swirling flow atomizing device nozzle 22 front ends is coaxial with the wind hole, center of nozzle core 24, the nozzle rear end is threaded with nozzle body 23, the nozzle core in wind hole, connecting band center, nozzle body bottom, wind hole, center and central air hose 25, central air hose valve 26 communicates, and is first passage; Tangential entry is offered in the nozzle body side, be connected with hollow type eddy flow water inlet 28 spiral shells, eddy flow water inlet inner surface links to each other with inlet valve 27, be second channel, eddy flow water inlet outer surface and nozzle body tangential entry inner surface form tangential circular passage, tangential circular passage axis and axial annular passage axis antarafacial, intersection forms the helical import, and with peripheral airduct 29, peripheral airduct valve 30 is connected, be third channel, third channel is coaxial with second channel, outlet all tangentially crosses with axial circular passage, through circulating pump 16 force feeds to the buck of second channel when entering axial circular passage, pressure air by third channel fully disperses, further impacted dispersion by the high pressure draught of first passage again at water jet, after the crown water jet of dispersing face of dribbling sprays, form the very high alkaline veil of decentralization, the SO in the absorption flue dust that not only effectively neutralizes
2, and make that the ultrafine dust lotus is wet increases the weight of and in the rotation field of force, quickens the centrifugal wall that hits, enter the overflow coarse filtration case 8 of formula filter 20 of secondary through collection silt pipe, through the purification flue gas of desulfurization and dedusting through axial flow blower 5 suction discharges.Enter the collection silt water of coarse filtration case, gradually poly-rising overflow and soaked fiber coarse filtration layer 9, and the thin dirt that suspends in the water is through the filtering layer interception, sink, for preventing the attached wallboard knot of sludge, the coarse filtration lower box part conical surface is scraped silt device 19 with the similar swinging of the conical surface and is struck off, and scraping general moving heavy silt the under the rotation of silt device, the Yu Kou that advances that oblique carrier bar is arranged silt device 21 discharges obliquely, does his in addition and uses; Filtering back water upwards overflows, enter smart Rose Box 11 through overfall () 10, through the same filtration mechanism that overflows, water filters after overfall (two) 13, PH detect mouthfuls 17 through the smart filter course 12 of fiber and enters recycle-water PH adjusting tank 15, open and close limewash hopper 14 according to the PH detected value, replenish the Ca in the recycle-water
++And OH
-Make recycle-water have enough desulphurizing abilities, provide pressure alkalescence atomized water through circulating pump to triple channel swirling flow atomizing device, smart Rose Box lower floor contains sludge water, regularly sends the coarse filtration case back to sewage pump 18.
Claims (2)
1. rotational flow fog curtain desulfurization and dust removal device, it contains: rotational flow fog curtain desulfurization dirt pocket, secondary overflow formula filter, buried scraper row silt device; The rotational flow fog curtain desulfurization dirt pocket contains vortex air inlet, outer cylinder body, inner barrel, triple channel swirling flow atomizing device, axial flow blower, the vortex air inlet connects the outer cylinder body downside, the mezzanine space of inside and outside cylindrical shell, one group of triple channel swirling flow atomizing device is installed, cylinder top installation shaft flow fan, cylindrical shell lower end collection pipe and the secondary formula filter that overflows that becomes silted up is connected; Triple channel swirling flow atomizing device contains nozzle, nozzle body, nozzle core, eddy flow water inlet etc.; It is characterized in that: disperse the nozzle of face before nozzle body front end connecting band is spherical, the nozzle core in wind hole, connecting band center, rear end, wind hole, center is coaxial with jet hole, is first passage; Nozzle body inner surface, nozzle core outer surface are formed axial circular passage, and be coaxial with first passage; Tangential entry is offered in the nozzle body side, be connected with hollow type eddy flow water inlet, be second channel, it is third channel that eddy flow water inlet outer surface and nozzle body tangential entry inner surface form tangential circular passage, third channel is coaxial with second channel, and outlet all tangentially crosses with axial circular passage.
2. rotational flow fog curtain desulfurization and dust removal device according to claim 1, it is characterized in that: the secondary formula filter that overflows is formed by coarse filtration case, smart Rose Box, recycle-water pH adjusting tank serial connection, the coarse filtration upper box part is a cylinder, the bottom is the conical surface, bottom, post side connects collection silt pipe, middle part horizontal filter course, the top overfall is connected with bottom, smart Rose Box side; Center disposed upright swinging is scraped the silt device, and it is consistent with the bottom conical surface to scrape silt blading tapering, and conical surface bottom angled and carrier bar row silt device advance Yu Kou and fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101278723A CN101590367B (en) | 2009-04-11 | 2009-04-11 | Rotational flow fog curtain desulfurization and dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101278723A CN101590367B (en) | 2009-04-11 | 2009-04-11 | Rotational flow fog curtain desulfurization and dust removal device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101590367A CN101590367A (en) | 2009-12-02 |
| CN101590367B true CN101590367B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101278723A Expired - Fee Related CN101590367B (en) | 2009-04-11 | 2009-04-11 | Rotational flow fog curtain desulfurization and dust removal device |
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| CN (1) | CN101590367B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103861414B (en) * | 2014-03-20 | 2015-12-30 | 湖州荣恒不锈钢有限公司 | Wet dedusting absorption tower |
| CN106582150A (en) * | 2015-10-14 | 2017-04-26 | 江苏国强环保集团有限公司 | Anti-clogging external ash out type water membrane dust collector |
| CN105999923B (en) * | 2016-07-05 | 2018-07-24 | 山东云青环保科技有限公司 | A kind of the multimachine reason wet-scrubbing equipment and dust removal method of water circulation use |
| CN110513709B (en) * | 2019-08-30 | 2020-12-18 | 嘉兴市盛康信息科技有限公司 | Chimney sulphur removal dust collector of control atmosphere pollution |
| CN112275114A (en) * | 2020-09-09 | 2021-01-29 | 程学芳 | Two-stage wet desulphurization tower |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056150A (en) * | 1990-05-01 | 1991-11-13 | 通用电气公司 | Breech loaded fuel nozzle |
| US5513798A (en) * | 1993-08-08 | 1996-05-07 | Tavor; Elhanan | Atomizer |
| CN1432426A (en) * | 2002-01-15 | 2003-07-30 | 清华大学 | Nozzle for liquid column-spraying fume desulfurizing tower |
-
2009
- 2009-04-11 CN CN2009101278723A patent/CN101590367B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056150A (en) * | 1990-05-01 | 1991-11-13 | 通用电气公司 | Breech loaded fuel nozzle |
| US5513798A (en) * | 1993-08-08 | 1996-05-07 | Tavor; Elhanan | Atomizer |
| CN1432426A (en) * | 2002-01-15 | 2003-07-30 | 清华大学 | Nozzle for liquid column-spraying fume desulfurizing tower |
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| Publication number | Publication date |
|---|---|
| CN101590367A (en) | 2009-12-02 |
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Application publication date: 20091202 Assignee: Beijing Huadian Zhuoyue Technology Co., Ltd. Assignor: Ni Wenlong Contract record no.: 2014990000244 Denomination of invention: Rotational flow fog curtain desulfurization and dust removal device Granted publication date: 20110810 License type: Exclusive License Record date: 20140425 |
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Addressee: Ni Wenlong Document name: Notification to Pay the Fees |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20170411 |