CN201632170U - Flange conical screen pipe bundle immersion high-efficiency wet-type dust collector - Google Patents
Flange conical screen pipe bundle immersion high-efficiency wet-type dust collector Download PDFInfo
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- CN201632170U CN201632170U CN201020159537XU CN201020159537U CN201632170U CN 201632170 U CN201632170 U CN 201632170U CN 201020159537X U CN201020159537X U CN 201020159537XU CN 201020159537 U CN201020159537 U CN 201020159537U CN 201632170 U CN201632170 U CN 201632170U
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- dedusting
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Abstract
Disclosed is a flange conical screen pipe bundle immersion high-efficiency wet-type dust collector, which relates to a wet-type dust collector for treating dust in the industrial production. A dust-removing inner sewage tank is arranged on the lower part of a dust collector box body; a drain outlet is formed at the bottom of the dust-removing inner sewage tank; and the drain outlet is communicated with a drain mud pump. An upper dust-removing purification device and a lower dust-removing purification device are arranged inside the dust collector box body. An upper communicating water tank and a lower communicating water tank are arranged on the dust collector box body respectively; an upper water tank drain pump and a lower water tank drain pump which are connected with the upper communicating water tank and the lower communicating water tank are also arranged inside the dust collector box body and are used for supplying water for the upper dust-removing purification device and the lower dust-removing purification device. A first water circulating pump and a second water circulating pump are communicated with the sewage tank inside the dust collector and the upper dust-removing purification device and the lower dust-removing purification device inside the dust collector box body. Therefore, the utility model solves the problems that the energy consumption is high, the dust refining is bad, the dust emission concentration does not reach the current national standard, and the like in the conventional wet dust removal technology in the production practice.
Description
Technical field
The utility model relates to the wet scrubber of handling dust in the industrial production.
Background technology
The dust that produces in China's industry, especially the steel and iron industry production process is to the pollution of atmospheric environment, and is still quite serious to the harm of human health.Along with social development of science and technology and progress, people more and more pay attention to quality of life and self health.Therefore, administer the discharging of industrial dust, protection production operation personnel health, protection atmospheric environment are instant vital tasks.China's industrial dedusting device can be divided into " dry type " and " wet type " two kinds of fundamental types by dust removal mechanism.Wet scrubber is divided into by capturing the flue dust mode: polytypes such as water-bath, moisture film, bubble desert, impact type, Venturi tube, Tyson rinsing maching.Wet scrubber is to utilize water or other liquid and dusty gas to be in contact with one another, and follows the transmission of heat and matter, through washing the grit equipment separated from the gas that makes in the dirt gas.Wet scrubber efficient is not high at present, and generally about 60～90%, primary purification does not reach discharging standards.The venturi type that efficiency of dust collection is high, Tyson rinsing maching deduster energy consumption height.Handling similar iron-smelter sintered material chamber burnt lime digester, the high humidity that produces in steel rolling mill's plate rolling production process, temperature height, the normally used conventional dry Wet-way dust-collector in place that dust viscosity is strong all are not very desirable in application in practice, and dust removing effects does not reach national existing discharge standard and requirement.Guarantee that water or other liquid adsorb dust to greatest extent, obtain high efficiency of dust collection, satisfy two necessary conditions: the refinement of first dusty gas, it two is that dusty gas pulls the plug.And will make wet scrubber keep under the efficient state long-term work key is to prevent that the dedusting member from stopping up, and prevents that the way that the dedusting member stops up from being effective cleaning.Screen casing immersion high-efficiency wet-type dust collector (patent No.: the ZL2006200017.2 and the patent of invention: high-efficiency low energy consumption desulfurize dust removing equipment: international application no PCT/CN2007/003643) preferably resolve the refinement problem of dusty gas, but in production practices, still have problems of Benjing Airui Machinery Factory's development.Need to consume a large amount of water continuous wash, power consumption height for preventing that sieve plate face and screen casing inwall from stopping up.Sieve plate down with liquid level on the space-water-bath purified gas passage of screen casing outer wall and screen casing outer wall can't clean, though purifying back gas, water-bath reaches discharging standards, but contain grit and high humidity in the gas, easily make screen casing outer wall bonding, cause local the obstruction.Along with stopping up aggravation, efficiency of dust collection descends, and along with the increase of time, the space of screen casing outer wall and screen casing outer wall is stopped up gradually, and gas passage does not freely cause screen casing to stop up, and efficiency of dust collection reduces greatly, finally can not effectively work.When especially handling the strong dust of iron-smelter sintered material system burnt lime digester concentration height, high humidity, temperature height, adhesiveness, blockage problem is even more serious.The compound water curtain deduster of unit such as environmental protection machinery factory development (＜30mg/Nm3) the problem that has that energy consumption height, the refinement of dirt gas are bad, dust emission concentration does not reach existing national standard in the gold of Xiangtan City.
The utility model content
The purpose of this utility model provides a kind of wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector, and the utility model scene of having solved has that wet dust collection technology existing energy consumption height, the refinement of dirt gas in production practices are bad, dust emission concentration does not reach problems such as existing national standard.
Wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector of the present utility model, comprise foul water tank 9 in the water tank 3 of removing contamination in dehydrator 1, deduster casing 2, the deduster, external water flowing case 4, first water circulating pump 5, second water circulating pump 6, blowdown slush pump 8, dedusting, on put water tank dredge pump 10, underlying water tank dredge pump 11, on put joining water box 15, underlying joining water box 16, on put dedusting and purifying device 19, underlying dedusting and purifying device 20, water under high pressure agitator 22 and liquid level fluid level controller 23; The water tank 3 of removing contamination in the deduster is installed in the below of dehydrator 1, and deduster casing 2 is installed in the side of dehydrator 1, and external water flowing case 4 is communicated with the water tank 3 of removing contamination in the deduster; The below of deduster casing 2 is equipped with foul water tank 9 in the dedusting, and sewage draining exit 7 is arranged at the bottom of foul water tank 9 in the dedusting, and sewage draining exit 7 is communicated with blowdown slush pump 8; Remove contamination in dehydrator 1 and the deduster and be connected with moisturizing pipeline 17 and circulating water pipeline 18 between the water tank 3; Deduster casing 2 inside have upper and lower settings on put dedusting and purifying device 19 and underlying dedusting and purifying device 20; Be separately installed with on the deduster casing 2 and put joining water box 15 and underlying joining water box 16, also be provided with in the deduster casing 2 with on put that joining water box 15 links to each other with underlying joining water box 16 on put water tank dredge pump 10 and underlying water tank dredge pump 11, be used on put dedusting and purifying device 19 and underlying dedusting and purifying device 20 supplies water; First water circulating pump 5 and second water circulating pump 6 be communicated with respectively remove contamination in the deduster water tank 3 and deduster casing 2 inside on put dedusting and purifying device 19 and underlying dedusting and purifying device 20.
Wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector of the present utility model can be realized following function: deduster 1. of the present utility model is wanted long-term fault-free high-efficiency operation, for reaching this purpose, the gas skirt of moist dusty gas in pipeline enters deduster under the effect of dedusting induced draft blower withdraws, dirt gas mean flow rate slows down, at the plenum chamber internal upper part several showers are set, extract the deduster water tank sewage spray of removing contamination by water circulating pump.Spray has certain catharsis to dirt gas, and generally about 60%, the main effect of spray is to clean sieve plate face and screen casing inwall to its efficiency of dust collection, prevents to stop up.2. the dirt gas in the plenum chamber quickens through several wing plate conical surface screen casings, average flow V=8～12min/s, dusty gas obtains refinement uniformly, several ducts on the conical surface of wing plate conical surface screen casing bottom are poured under tiltedly and are obtained sufficient water-bath in the water again, dirt gas enters in the water, under liquid level, form various minute bubbles, minute bubbles rise under liquid level, grow up, several apertures on the wing plate of the bubble of growing up mechanical impact wing plate conical surface screen casing in the process that rises, bubble bursts under liquid level and in the water between wing plate, the gas that bursts through the wing plate aperture ducks in drink and forms many minute bubbles, and new bubble rises, grow up and burst after leaving liquid level.Secondary water-bath process takes place in dusty gas under liquid level like this, thereby reaches the purpose of efficient purification dusty gas.3. it is big to pass through secondary water-bath purified gas temperature, even dust content reaches the discharge standard less than 50mg/m3 that national environmental protection allows, time has been grown, dust in the purified gas will adhere to by the screen casing outer wall under sieve plate and between on the liquid level, and fouling finally causes the obstruction that purifies the back gas passage.The obstruction of local gas passage will cause the obstruction of screen casing, and along with blockage is serious, efficiency of dust collection descends.For deduster is not stopped up, long-term high-efficiency operation, under sieve plate, between each screen casing shower is set, opens discontinuity the screen casing outer wall is cleaned, to prevent to purify the obstruction of back gas passage by the electric butterfly valve that ball float level controller is controlled on the industrial water pipe.4. through spray, after once reaching secondary water-bath purified gas and getting rid of moisture by dehydrator, qualified discharge, dehydrator absorb water droplet that gas moisture produces and fall into the deduster bottom and remove contamination in the water tank.
Description of drawings
Fig. 1 is the front view of wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the cutaway view of Fig. 1.
Fig. 5 is a M portion enlarged drawing among Fig. 4.
Drawing reference numeral: dehydrator 1, deduster casing 2, the water tank 3 of removing contamination in the deduster, external water flowing case 4, first water circulating pump 5, second water circulating pump 6, sewage draining exit 7, blowdown slush pump 8, foul water tank 9 in the dedusting, on put water tank dredge pump 10, underlying water tank dredge pump 11, flow control valve 12, cleaning shaft 13, pure qi (oxygen) pipeline 14, on put joining water box 15, underlying joining water box 16, moisturizing pipeline 17, circulating water pipeline 18, on put dedusting and purifying device 19, on put shower 19-1, dirt gas hood 19-2, sieve plate frame 19-3, shower 19-4 between screen casing, screen casing plate 19-5, conical surface screen casing 19-6, wing plate 19-7, bucket 19-8, bucket supporting seat 19-9, bucket overflow pipe 19-10, water box frame 19-11, underlying dust gas purifier 20, interior foul water tank settling baffle 21, water under high pressure agitator 22, ball float level controller 23.
The specific embodiment
Below in conjunction with accompanying drawing and with illustrated embodiments the utility model is done detailed explanation.
Consult Fig. 1-Fig. 5, wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector, comprise foul water tank 9 in the water tank 3 of removing contamination in dehydrator 1, deduster casing 2, the deduster, external water flowing case 4, first water circulating pump 5, second water circulating pump 6, blowdown slush pump 8, dedusting, on put water tank dredge pump 10, underlying water tank dredge pump 11, on put joining water box 15, underlying joining water box 16, on put dedusting and purifying device 19, underlying dedusting and purifying device 20, water under high pressure agitator 22 and liquid level fluid level controller 23; The water tank 3 of removing contamination in the deduster is installed in the below of dehydrator 1, and deduster casing 2 is installed in the side of dehydrator 1, and external water flowing case 4 is communicated with the water tank 3 of removing contamination in the deduster; The below of deduster casing 2 is equipped with foul water tank 9 in the dedusting, and sewage draining exit 7 is arranged at the bottom of foul water tank 9 in the dedusting, and sewage draining exit 7 is communicated with blowdown slush pump 8; Remove contamination in dehydrator 1 and the deduster and be connected with moisturizing pipeline 17 and circulating water pipeline 18 between the water tank 3; Deduster casing 2 inside have upper and lower settings on put dedusting and purifying device 19 and underlying dedusting and purifying device 20; Be separately installed with on the deduster casing 2 and put joining water box 15 and underlying joining water box 16, also be provided with in the deduster casing 2 with on put that joining water box 15 links to each other with underlying joining water box 16 on put water tank dredge pump 10 and underlying water tank dredge pump 11, be used on put dedusting and purifying device 19 and underlying dedusting and purifying device 20 supplies water; First water circulating pump 5 and second water circulating pump 6 be communicated with respectively remove contamination in the deduster water tank 3 and deduster casing 2 inside on put dedusting and purifying device 19 and underlying dedusting and purifying device 20.
On the top of external water flowing case 4 ball float level controller 23 is installed.
Foul water tank settling baffle 21 in the place of connection vertically is provided with between the foul water tank 9 in deduster casing 2 and dedusting.
Water under high pressure agitator 22 is arranged at the bottom of foul water tank 9 in dedusting.
It is identical with the structure of underlying dedusting and purifying device 20 to put dedusting and purifying device 19 on described, on put dedusting and purifying device 19 by on put shower 19-4, screen casing plate 19-5 between shower 19-1, dirt gas hood 19-2, sieve plate frame 19-3, screen casing, conical surface screen casing 19-6, wing plate 19-7, bucket 19-8, bucket supporting seat 19-9, bucket overflow pipe 19-10, water box frame 19-11 and constitute; On put shower 19-1 and be installed on the water box frame 19-11 in the dirt gas hood 19-2, sieve plate frame 19-3 is installed in dirt gas hood 19-2 below, shower 19-4, screen casing plate 19-5 and conical surface screen casing 19-6 between one group of screen casing is installed on each sieve plate frame 19-3, the bottom of every group of conical surface screen casing 19-6 is equipped with wing plate 19-7, bucket 19-8 is installed below the wing plate 19-7, bucket 19-8 is fixed on the bucket supporting seat 19-9, bucket 19-8 is communicated with bucket overflow pipe 19-10, and bucket overflow pipe 19-10 puts joining water box 15 on being communicated with.
Wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector of the present utility model, under the induced draft blower withdraws effect, form negative pressure in the deduster housing, dirt gas is by cleaning shaft 13, enter and put dust gas purifier 19 and underlying dust gas purifier 20, cleaning shaft 13 branch's mouths of pipe do not have flow control valve 12.The dirt gas velocity that enters among the dirt gas hood 19-2 that puts dust gas purifier slows down.Extracted by water circulating pump 1, the supreme shower 19-1 that puts of the sewage pressurized delivered in the water tank 3 of removing contamination in the deduster carries out spray cleaning to dirt gas.Above-mentioned spray has certain dirt gas catharsis, prevents to stop up but main effect is cleaning sieve plate and screen casing inwall.Sewage behind the spray is gone into bucket 19-9 through the screen casing line, quickens through many conical surface screen casing 19-6 through the dirt gas that sprays preliminary purification, pours in the water under several little hole deviations of arranging on the conical surface of screen casing bottom again.The screen casing bundle can make the sufficient refinement of dusty gas--water-bath uniformly.Screen casing immersed in liquid level (static) degree of depth is H.Count the dirt gas that aperture pours in the water through conical surface screen casing bottom and produce many minute bubbles, finish a water-bath and purify.These minute bubbles rise and grow up.Wing plate 19-7 is set on the screen casing, and wing plate immersed in liquid level (static) degree of depth is h, and several apertures are set on the wing plate.The bubble grow up of rising produces mechanical collision with the aperture on the wing plate and bursts, and forms many new minute bubbles in water again, and these minute bubbles break away from liquid levels and burst, and dirt gas is finished secondary water-bath purification, dirt gas through twice purification after dust content less than 30-50mg/m
3Reach the national environmental standard emission request, right your gas humidity is big, also contains micro-dust; Time has been grown, and the dust in the purified gas will be bonded on the screen casing outer wall, and the time has been grown also and will stop up.For preventing that this phenomenon from occurring, make the long-term efficient operation of deduster, under sieve plate 19-5, shower 19-4 between screen casing is set between screen casing, by ball float level controller 23, electric butterfly valve on the control industry water pipeline is opened automatically, and the cleaning screen casing outer wall of discontinuity prevents that the gas passage between screen casing outer wall and screen casing outer wall from stopping up.Purified gas is qualified discharge after dehydrator is removed moisture.On put the sewage of bucket 19-8 in the dust gas purifier, part overflow falls into foul water tank 9 in the deduster, another part sewage by on put water tank dredge pump 10 and extract the sewage of putting joining water box 15 bottoms and pump into the water under high pressure agitator 22 that the foul water tank bottom is provided with in the deduster, prevent foul water tank bottom sludgd deposition.The sewage of foul water tank bottom is carried the plant effuent pond or is delivered to production technology sewage place through the blowdown slush pump.In the foul water tank settling baffle 21 is set in the deduster, sewage flows into behind gravitational settling in the water tank 3 of removing contamination in the deduster, and water circulating pump 1 extracts in the foul water tank to deliver to than clean and dirt water puts shower 19-2, spraying and dedusting and cleaning sieve plate.The dirt effervescent bath purification process of underlying dust gas purifier is same as described above.Size according to deduster processing dirt tolerance can be provided with several dust gas purifiers.External joining water box 4 is provided with ball float level controller 23, controls the electric butterfly valve moisturizing of industrial water pump pipeline automatically.
Claims (5)
1. wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector, it is characterized in that, comprise dehydrator (1), deduster casing (2), the water tank (3) of removing contamination in the deduster, external water flowing case (4), first water circulating pump (5), second water circulating pump (6), blowdown slush pump (8), foul water tank (9) in the dedusting, on put water tank dredge pump (10), underlying water tank dredge pump (11), on put joining water box (15), underlying joining water box (16), on put dedusting and purifying device (19), underlying dedusting and purifying device (20), water under high pressure agitator (22) and fluid level controller (23); The water tank (3) of removing contamination in the deduster is installed in the below of dehydrator (1), and deduster casing (2) is installed in the side of dehydrator (1), and external water flowing case (4) is communicated with the water tank (3) of removing contamination in the deduster; The below of deduster casing (2) is equipped with foul water tank (9) in the dedusting, and sewage draining exit (7) is arranged at the bottom of foul water tank (9) in the dedusting, and sewage draining exit (7) is communicated with blowdown slush pump (8); Remove contamination in dehydrator (1) and the deduster and be connected with moisturizing pipeline (17) and circulating water pipeline (18) between the water tank (3); Deduster casing (2) inside have upper and lower settings on put dedusting and purifying device (19) and underlying dedusting and purifying device (20); Be separately installed with on the deduster casing (2) and put joining water box (15) and underlying joining water box (16), also be provided with in the deduster casing (2) with on put that joining water box (15) links to each other with underlying joining water box (16) on put water tank dredge pump (10) and underlying water tank dredge pump (11), be used on put dedusting and purifying device (19) and underlying dedusting and purifying device (20) supplies water; First water circulating pump (5) and second water circulating pump (6) be communicated with respectively remove contamination in the deduster water tank (3) and deduster casing (2) inner on put dedusting and purifying device (19) and underlying dedusting and purifying device (20).
2. wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector as claimed in claim 1 is characterized in that, on the top of external water flowing case (4) ball float level controller (23) is installed.
3. wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector as claimed in claim 1 is characterized in that, foul water tank settling baffle (21) in the place of connection vertically is provided with between the foul water tank (9) in deduster casing (2) and dedusting.
4. wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector as claimed in claim 1 is characterized in that water under high pressure agitator (22) is arranged at the bottom of foul water tank in dedusting (9).
5. wing plate conical surface screen casing bundle immersion high-efficiency wet-type dust collector as claimed in claim 1, it is characterized in that, it is identical with the structure of underlying dedusting and purifying device (20) to put dedusting and purifying device (19) on described, on put dedusting and purifying device (19) by on put shower (19-4) between shower (19-1), dirt gas hood (19-2), sieve plate frame (19-3), screen casing, screen casing plate (19-5), conical surface screen casing (19-6), wing plate (19-7), bucket (19-8), bucket supporting seat (19-9), bucket overflow pipe (19-10), water box frame (19-11) and constitute; On put shower (19-1) and be installed on the water box frame (19-11) in the dirt gas hood (19-2), sieve plate frame (19-3) is installed in dirt gas hood (19-2) below, shower (19-4) between one group of screen casing is installed on each sieve plate frame (19-3), screen casing plate (19-5) and conical surface screen casing (19-6), the bottom of every group of conical surface screen casing (19-6) is equipped with wing plate (19-7), bucket (19-8) is installed below the wing plate (19-7), bucket (19-8) is fixed on the bucket supporting seat (19-9), bucket (19-8) is communicated with bucket overflow pipe (19-10), and bucket overflow pipe (19-10) is put joining water box (15) on being communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020159537XU CN201632170U (en) | 2010-04-15 | 2010-04-15 | Flange conical screen pipe bundle immersion high-efficiency wet-type dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020159537XU CN201632170U (en) | 2010-04-15 | 2010-04-15 | Flange conical screen pipe bundle immersion high-efficiency wet-type dust collector |
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| Publication Number | Publication Date |
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| CN201632170U true CN201632170U (en) | 2010-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201020159537XU Expired - Fee Related CN201632170U (en) | 2010-04-15 | 2010-04-15 | Flange conical screen pipe bundle immersion high-efficiency wet-type dust collector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355893A (en) * | 2017-07-19 | 2017-11-17 | 深圳永呈电子科技有限公司 | A kind of air purifier |
| CN112342040A (en) * | 2020-11-07 | 2021-02-09 | 张家港宏昌钢板有限公司 | Smoke dust collecting device at scraper conveyor of coke pusher of 6-meter coke oven and using method thereof |
-
2010
- 2010-04-15 CN CN201020159537XU patent/CN201632170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355893A (en) * | 2017-07-19 | 2017-11-17 | 深圳永呈电子科技有限公司 | A kind of air purifier |
| CN107355893B (en) * | 2017-07-19 | 2018-12-21 | 南京浦口科创投资集团有限公司 | A kind of air purifier |
| CN112342040A (en) * | 2020-11-07 | 2021-02-09 | 张家港宏昌钢板有限公司 | Smoke dust collecting device at scraper conveyor of coke pusher of 6-meter coke oven and using method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20130415 |