CN203954983U - Composite type desulfurating dust removing device for flue gas - Google Patents

Composite type desulfurating dust removing device for flue gas Download PDF

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Publication number
CN203954983U
CN203954983U CN201420403580.4U CN201420403580U CN203954983U CN 203954983 U CN203954983 U CN 203954983U CN 201420403580 U CN201420403580 U CN 201420403580U CN 203954983 U CN203954983 U CN 203954983U
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CN
China
Prior art keywords
communicated
cone
liquid pool
desulfurization liquid
main tower
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Expired - Fee Related
Application number
CN201420403580.4U
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Chinese (zh)
Inventor
朱海宇
李银仓
任根常
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SHAANXI PINGYANG FAN CO Ltd
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SHAANXI PINGYANG FAN CO Ltd
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Priority to CN201420403580.4U priority Critical patent/CN203954983U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a kind of composite type desulfurating dust removing device for flue gas, there is main tower, in described main tower, be provided with successively from top to bottom swirl-flow devices, second layer spray equipment and ground floor spray equipment, be provided with cone desulfurization liquid pool in main tower bottom, described cone desulfurization liquid pool by deslagging blowoff valve be positioned at underground sedimentation basin and be communicated with, described sedimentation basin is communicated with dosing reduction reaction pond, described dosing reduction reaction pond and solution pool are communicated with, described solution pool upper end is communicated with cone desulfurization liquid pool bottom, smoke tube is arranged on the arrival end of booster fan, the described booster fan port of export is communicated with to airduct entrance point with desulfurizing tower inlet guide, described desulfurizing tower inlet guide is placed in cone desulfurization liquid pool top to the airduct port of export, described main tower is provided with smoke exhaust pipe topmost.The utility model desulfurization dust-removing efficiency is high, and concentration of emission is little, and apparatus and process is simple, and floor space is little, small investment, and operating cost is low, uses easy to operate and economical and practical.

Description

Composite type desulfurating dust removing device for flue gas
Technical field
The utility model belongs to air cleaning facility technical field, is specifically related to a kind of composite type desulfurating dust removing device for flue gas.
Background technology
Along with improving constantly of living standards of the people, living environment is required also to improve thereupon, be embodied as people the requirement of surrounding environment, air quality is improved.Consulting interrelated data according to net territory shows, the harm of sulfureous in flue gas is along with fast development, coal (charcoal) consumption of China's economy constantly increase, the discharge capacity of sulfur dioxide also increases increasingly, cause the serious harm of sulfur dioxide pollution and acid rain, according to the latest news, within 1999, China's sulfur dioxide (SO2) emissions total amount is 1,857 ten thousand tons, wherein industrial source is 1,460 ten thousand tons, the source of income is 3,970,000 tons, Acid Rain Zone area accounts for 30% of area, and main manifestations is building materials, brick and tile and cement, the lime industry of thermal power industry and capital construction.So flue gas desulfurization is desulfurization method current and even that unique large-scale commercial is applied in the world.If flue gas desulfur device is realized technology and equipment production domesticization, just can greatly reduce the cost of flue-gas desulfurizing engineering, thereby make flue gas desulfur device become possibility in China's large-scale application.At present according to the situation of China's development, for some large-scale polluted enterprises, country takes to force to administer, policy of just closing not up to standard, make the environment of China have the improvement of preliminary essence, but along with the development of industrialization of the country degree grows, the construction of a large amount of infrastructure, the flue gas that Industrial Stoves are got rid of, pollutant causes serious harm to atmospheric environment and the mankind, so be the basic demand of environmental protection to the purification of flue gas, also become our most important thing of work at present, traditional equipment is wet method flow type, the wet type desulfurizing dust collectors such as wet sprinkling formula and spray cyclone formula, its weak point is: flue gas can not be effective in tower, contact with doctor solution all sidedly, mix, reaction, finally cause dust-removal and desulfurizing efficiency low, or system jams, the problem that running rate is lower, therefore be necessary to propose to improve.
Utility model content
The technical problem that the utility model solves: a kind of composite type desulfurating dust removing device for flue gas is provided, desulfurization and two operating units of dedusting are combined, high efficiency, small investment, non-secondary pollution, have higher practical value.
The technical solution adopted in the utility model: composite type desulfurating dust removing device for flue gas, there is main tower, in described main tower, be provided with successively from top to bottom swirl-flow devices, second layer spray equipment and ground floor spray equipment, be provided with cone desulfurization liquid pool in main tower bottom, described cone desulfurization liquid pool by deslagging blowoff valve be positioned at underground sedimentation basin and be communicated with, described sedimentation basin is communicated with dosing reduction reaction pond, described dosing reduction reaction pond and solution pool are communicated with, described solution pool upper end is communicated with cone desulfurization liquid pool bottom, smoke tube is arranged on the arrival end of booster fan, the described booster fan port of export is communicated with to airduct entrance point with desulfurizing tower inlet guide, described desulfurizing tower inlet guide is placed in cone desulfurization liquid pool top to the airduct port of export, described main tower is provided with smoke exhaust pipe topmost.
Further, on described cone desulfurization liquid pool, be also provided with overflow valve.
The utility model compared with prior art adopts ground floor spray equipment, second layer spray equipment and swirl-flow devices, make sulfur-bearing, ash-laden gas wash, mix and react with desulfurization and dedusting liquid to greatest extent, with 0.62 WGR, and the stagnant tower time of 5~6 seconds complete whole technical process, desulfurization dust-removing efficiency is high, concentration of emission is little, apparatus and process is simple, floor space is little, and small investment is the more satisfactory technology of current desulphurizing and dust-removing integral.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, a kind of embodiment of the present utility model is described.
Composite type desulfurating dust removing device for flue gas, there is main tower 8, in described main tower 8, be provided with successively from top to bottom swirl-flow devices 6, second layer spray equipment 5 and ground floor spray equipment 4, be provided with cone desulfurization liquid pool 9 in main tower 8 bottoms, described cone desulfurization liquid pool 9 by deslagging blowoff valve 14 be positioned at underground sedimentation basin 12 and be communicated with, described sedimentation basin 12 is communicated with dosing reduction reaction pond 11, described dosing reduction reaction pond 11 and solution pool 10 are communicated with, described solution pool 10 upper ends are communicated with cone desulfurization liquid pool 9 bottoms, smoke tube 1 is arranged on the arrival end of booster fan 2, described booster fan 2 ports of export are communicated with to airduct 3 entrance points with desulfurizing tower inlet guide, described desulfurizing tower inlet guide is placed in cone desulfurization liquid pool 9 tops to airduct 3 ports of export, described main tower 8 is provided with smoke exhaust pipe 7 topmost, on described cone desulfurization liquid pool 9, be also provided with overflow valve 13.
Main tower 8 adopts high-quality low carbon steel plate to process, and the end is done with corrosion resistant resin in inside, senior corrosion resistant coating spraying, when use, dust-laden sulfur-containing smoke gas from smoke tube 1 after entering booster fan 2, under the effect of booster fan 2, cone desulfurization liquid pool 9 through desulfurizing tower inlet guide to from high-speed punching after the water conservancy diversion of airduct 3 to main tower 8 bottoms, evoke a large amount of spray water smoke, particle type dust and a large amount of dirt ash be by the liquid holdup in cone desulfurization liquid pool 9, the SO in flue gas simultaneously 2tentatively removed, subsequently the grit of floatation type and the SO that do not remove 2rise in company with flue gas, again after ground floor spray equipment 4 and the senior spray of second layer spray equipment 5, make sulfur-bearing, ash-laden gas at the interior middle part of main tower 1 rising, in uphill process, carry out tight collision and react with spray liquid, accelerate combination and the weightening finish of fogged lye and fume, further increased the efficiency of dust-removal and desulfurizing, therefore be called secondary desulfuration, then flue gas continues to rise to swirl-flow devices 6 behind multilayer atomization interface, it is up that the flue gas of vertical lifting forms eddy-currents centrifugal rotation through swirl-flow devices 6 guiding, being convenient to aqueous vapor separates, gas after dehydration enters atmosphere through the smoke exhaust pipe 7 of main tower 1 upper end, after completing as above desulfurization and dedusting in main tower 8, make the dirt slag of deposition in the 9 interior natural sedimentations of cone desulfurization liquid pool through spraying continuously, according to precipitation capacity size, can be each class or manually open the deslagging blowoff valve 14 of cone desulfurization liquid pool 9 bottoms every day, emit sediment, flow into sedimentation basin 12 through pipeline, after the interior precipitation of sedimentation basin 12, clear liquid is back in dosing reduction reaction pond 11 and recycles, so after reacting completely again, the stirring of making up a prescription in dosing reduction reaction pond 11 treats to precipitate completely, clear liquid in the pond of dosing reduction reaction afterwards 11 flows into solution pool 10, after corrosion protection pump pressurization, the clear liquid in solution pool 10 is fed continuously in cone desulfurization liquid pool 9 and reused, the above-mentioned course of work is the course of work of booster fan 2 malleations, booster fan 2 also can negative-pressure operation, composite type desulfurating dust removing device for flue gas is by the senior desulfurizing dust-collector of composite type of impact, spray, spiral-flow type three-in-one integrated, small investment, and operating cost is low, and floor space is little, uses easy to operate, economical and practical, this the Technology of Integrating Desulfurization, in common process, desulfurization and dedusting, impact and spray, spray and eddy flow complete respectively as unit operations independently in device separately, and in integral process process, by desulfurization and two operating units of dedusting, and impact, spray, the each cell cube of eddy flow effectively combine, in an operating unit, both embodied impact, realize again the combination of rotational flow and spray, both met the efficient requirement of desulfurization, reached again the object of high-effective dust-removing, the operation of this desulphurizing and dust-removing integral can simplification of flowsheet, saves equipment investment, and therefore, this composite type desulfurizing dust-collector that integrates desulfurization and dedusting has certain impetus for the smoke gas treatment of current domestic brick and tile and kiln industry.
Above-described embodiment, is preferred embodiment of the present utility model, is not used for limiting the utility model practical range, and the equivalence of being done with content described in the utility model claim therefore all changes, within all should being included in the utility model claim scope.

Claims (2)

1. composite type desulfurating dust removing device for flue gas, there is main tower (8), it is characterized in that: in described main tower (8), be provided with successively from top to bottom swirl-flow devices (6), second layer spray equipment (5) and ground floor spray equipment (4), be provided with cone desulfurization liquid pool (9) in main tower (8) bottom, described cone desulfurization liquid pool (9) by deslagging blowoff valve (14) be positioned at underground sedimentation basin (12) and be communicated with, described sedimentation basin (12) is communicated with dosing reduction reaction pond (11), described dosing reduction reaction pond (11) and solution pool (10) are communicated with, described solution pool (10) upper end is communicated with cone desulfurization liquid pool (9) bottom, smoke tube (1) is arranged on the arrival end of booster fan (2), described booster fan (2) port of export is communicated with to airduct (3) entrance point with desulfurizing tower inlet guide, described desulfurizing tower inlet guide is placed in cone desulfurization liquid pool (9) top to airduct (3) port of export, described main tower (8) is provided with smoke exhaust pipe (7) topmost.
2. composite type desulfurating dust removing device for flue gas according to claim 1, is characterized in that: on described cone desulfurization liquid pool (9), be also provided with overflow valve (13).
CN201420403580.4U 2014-07-22 2014-07-22 Composite type desulfurating dust removing device for flue gas Expired - Fee Related CN203954983U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420403580.4U CN203954983U (en) 2014-07-22 2014-07-22 Composite type desulfurating dust removing device for flue gas

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Application Number Priority Date Filing Date Title
CN201420403580.4U CN203954983U (en) 2014-07-22 2014-07-22 Composite type desulfurating dust removing device for flue gas

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CN203954983U true CN203954983U (en) 2014-11-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105536410A (en) * 2016-01-29 2016-05-04 孙立刚 Dehydration device of wet-method smoke purifier
CN109107316A (en) * 2018-09-07 2019-01-01 南野金属材料(苏州)有限公司 A kind of dust collecting process of sand casting reclaimed sand

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105536410A (en) * 2016-01-29 2016-05-04 孙立刚 Dehydration device of wet-method smoke purifier
CN109107316A (en) * 2018-09-07 2019-01-01 南野金属材料(苏州)有限公司 A kind of dust collecting process of sand casting reclaimed sand

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141126

Termination date: 20190722