CN108889085B - Coking flue gas denitration device - Google Patents
Coking flue gas denitration device Download PDFInfo
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- CN108889085B CN108889085B CN201810890776.3A CN201810890776A CN108889085B CN 108889085 B CN108889085 B CN 108889085B CN 201810890776 A CN201810890776 A CN 201810890776A CN 108889085 B CN108889085 B CN 108889085B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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Abstract
The invention belongs to the field of coking flue gas treatment, and particularly relates to a coking flue gas denitration device which comprises an air inlet pipe, a box body and an air outlet pipe, wherein the top of the box body is provided with the air inlet pipe; an air outlet pipe is arranged on one side of the box body; the inner wall of the box body is elastically arranged; a first moving mechanism and a second moving mechanism are respectively arranged on two sides of the box body, the first moving mechanism comprises a first motor, a screw rod and a sliding block, and the first motor is used for driving the screw rod; the sliding block is sleeved on the screw rod; a sliding ring is arranged between the sliding block of the first moving mechanism and the sliding block of the second moving mechanism in a sliding manner, and the sliding ring is driven by a second motor; a convex block is arranged on one side inside the slip ring and can rotate along with the circumferential direction of the slip ring; according to the invention, the elastic box wall is extruded by circumferential rotation of the slip ring and the bump, so that the cleaning solution is vibrated and fully mixed with the flue gas, and the effect of quickly purifying the flue gas is achieved.
Description
Technical Field
The invention belongs to the field of coking flue gas treatment, and particularly relates to a coking flue gas denitration device.
Background
The coking industry is one of the main emission industries of the atmospheric pollutants, the influence of which on the environment is more and more emphasized, therefore, the national release is in 27 days 6 and 2012 and requires that the emission standard of pollutants in the coking chemical industry (GB 16171-2012) is implemented in 1 day 10 and 2012, the nitrogen oxide (NOx) discharged from a coke oven chimney is listed as a control index of the emission of the atmospheric pollutants in the coking industry of China for the first time, and the emission limit values are respectively regulated for the existing enterprises, newly-built enterprises and the enterprises in the area where special protection measures need to be taken, but the existing coke oven process and the technology adopting coke oven gas heating or waste heat recovery cannot meet the new emission standard requirement, so that the flue gas of the coking oven is denitrified to be one of the most difficult problems in the industry at present.
The technical scheme of the flue gas desulfurization, denitrification and dust removal device also appears in the prior art, and as disclosed in a Chinese patent with application number 2017205269047, the flue gas desulfurization, denitrification and dust removal device comprises a base, wherein a barrel body is arranged at the upper end of the base, an air inlet pipe is arranged on one side wall of the barrel body, an water outlet pipe is arranged on the other side wall of the barrel body, a driving motor is arranged at the upper end of the barrel body, a first rotating shaft is arranged at the tail end of an output shaft of the driving motor and penetrates through the barrel body and extends into the barrel body, a fixed block is arranged at one end, away from the driving motor, of the first rotating shaft, a locking device is arranged at the lower end of the fixed block, the locking device comprises an annular disc, a plurality of sliding cavities are arranged on the inner side wall of the annular disc, movable plates are arranged in the sliding cavities, the movable plates are, the fixing piece is far away from the movable plate and is provided with a fixing piece. The technical scheme has the advantages of simple structure and convenient use, and effectively realizes desulfurization and denitrification; however, the solution is not sufficiently stirred, and the flue gas cannot be sufficiently contacted with the solution, so that the flue gas cannot be sufficiently desulfurized and denitrated, and the purification efficiency of the flue gas is influenced.
The invention provides a coking flue gas desulfurization device, which uses a slip ring and a lug to circumferentially rotate and extrude an elastic inner wall, so that a cleaning solution is fully mixed with flue gas, and the effect of quickly purifying the flue gas is achieved.
Disclosure of Invention
In order to make up for the defects of the prior art, the coking flue gas denitration device provided by the invention has the advantages that firstly, the coking flue gas is introduced into the box body, then the first moving mechanism and the second moving mechanism are started simultaneously to drive the screw rod to rotate, the sliding block starts to slide up and down, the sliding ring which is arranged between the sliding blocks of the first moving mechanism and the second moving mechanism in a sliding mode circumferentially rotates under the driving of the second motor, the convex block arranged on one side inside the sliding ring circumferentially rotates along with the sliding ring and extrudes the elastic inner wall, so that the washing liquid in the box body fully flows, the washing liquid and the flue gas are fully mixed, and the effect of quickly denitrating.
The technical scheme adopted by the invention for solving the technical problems is as follows: a coking flue gas denitration device comprises an air inlet pipe, a box body and an air outlet pipe, wherein the air inlet pipe is arranged at the top of the box body; an air outlet pipe is arranged on one side of the box body; the inner wall of the box body is elastically arranged; a first moving mechanism and a second moving mechanism are respectively arranged on two sides of the box body, and the first moving mechanism and the second moving mechanism are of the same structure; the first moving mechanism comprises a first motor, a screw rod and a sliding block, and the first motor is used for driving the screw rod; the sliding block is sleeved on the screw rod; a sliding ring is arranged between the sliding block of the first moving mechanism and the sliding block of the second moving mechanism in a sliding mode, the sliding ring is driven by a second motor, and the sliding ring can rotate circumferentially; a convex block is arranged on one side inside the slip ring, and the end head on one side of the convex block is arc-shaped; the lug can rotate along with the circumferential direction of the slip ring. During operation, at first the coking flue gas lets in the box, first moving mechanism and second moving mechanism start simultaneously afterwards, drive the lead screw and rotate, the slider begins to slide from top to bottom, sliding ring of slidable mounting makes circumferential direction under No. two motor drives between first moving mechanism and the second moving mechanism's the slider, the lug that the inside one side of sliding ring set up makes circumferential direction and extrudees the elasticity inner wall along with the sliding ring for the washing liquid fully flow in the box, and then make washing liquid and flue gas intensive mixing, reach the effect of the quick denitration of flue gas.
Preferably, the inner wall is provided with a wave shape. During operation, establish to the wave on the inner wall and can make lug intermittent type extrusion inner wall, increase the mobile effect of washing liquid to improve denitration efficiency.
Preferably, the inner wall is provided with bristles at the bent part. During operation, the bristles arranged at the bent part of the inner wall can accumulate impurities in the washing liquid, so that the washing liquid is convenient to clean.
Preferably, the bottom of the box body is provided with a connecting rod, the connecting rod is provided with a rubber bag, the upper side of the rubber bag is provided with uniformly distributed through holes, and the lower side of the rubber bag is provided with a conduit. The during operation, when lug extrusion elasticity inner wall, can extrude the rubber bag that sets up in the box simultaneously for the rubber bag is to the internal contraction, and then the washing liquid in the rubber bag is spout rapidly from the pipe, has increased the mobility of washing liquid, thereby improves denitration efficiency.
Preferably, the inner wall is provided with thin slices at intervals, the thin slices are provided with air holes, one side of each thin slice is provided with a cavity, and the cavities are communicated with the air holes. During operation, the lug extrudees the inner wall, and the thin slice on the outer wall is extruded, and in gas was spout the cavity from the gas pocket, when the lug broke away from, can make the inner wall produce vibrations to improve the mobility of washing liquid.
Preferably, the conduit is arranged tangentially. When the washing machine works, the tangentially arranged guide pipe can enable the washing liquid sprayed out of the guide pipe to flow to the maximum extent, and the flowability of the washing liquid is improved.
Preferably, a steel ball is suspended between the upper and lower adjacent rubber bags through a spring, and a horn-shaped through groove is formed in the steel ball. During operation, extrude the inner wall from top to bottom when the lug for washing liquid in the box flows, and the steel ball that is hanging between the upper and lower adjacent rubber bag rocks along with the washing liquid, makes the washing liquid flow from loudspeaker form to lead to the inslot and further stirs the washing liquid, thereby improves denitration efficiency.
The invention has the following beneficial effects:
1. according to the invention, firstly coking flue gas is introduced into the box body, then the first moving mechanism and the second moving mechanism are started simultaneously to drive the screw rod to rotate, the sliding block starts to slide up and down, the sliding ring which is slidably arranged between the sliding blocks of the first moving mechanism and the second moving mechanism is driven by the second motor to rotate circumferentially, and the convex block arranged on one side inside the sliding ring rotates circumferentially along with the sliding ring and extrudes the elastic inner wall, so that the washing liquid in the box body flows sufficiently, and further the washing liquid and the flue gas are sufficiently mixed, and the effect of rapid denitration of the flue gas is achieved.
2. According to the invention, the inner wall is wave-shaped, so that the lug intermittently extrudes the inner wall, the flowing effect of the washing liquid is increased, and the denitration efficiency is improved; the bristles arranged at the bent part of the inner wall can accumulate impurities in the washing liquid, so that the washing liquid is convenient to clean; simultaneously the thin slice that sets up on the outer wall receives the extrusion, and in gas was spout the cavity from the gas pocket, when the lug breaks away from, can make the inner wall produce vibrations to improve the mobility of washing liquid.
3. According to the denitration device, the rubber bag is arranged on the connecting rod at the bottom of the box body, when the elastic inner wall is extruded by the bump, the bump can be extruded to the rubber bag arranged in the box body, so that the rubber bag is contracted inwards, and then the washing liquid in the rubber bag is rapidly sprayed out from the guide pipe, so that the flowability of the washing liquid is increased, and the denitration efficiency is improved; the guide pipe is tangentially arranged, so that the washing liquid sprayed out of the guide pipe flows to the maximum extent, and the flowability of the washing liquid is improved; and when the washing liquid flows in the box body, the suspended steel balls between the upper and lower adjacent rubber bags can rock along with the washing liquid, so that the washing liquid flows through the horn-shaped through grooves to further stir the washing liquid, and the denitration efficiency is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of a steel ball of the present invention;
in the figure: the air inlet pipe comprises an air inlet pipe 1, a box body 2, an inner wall 21, bristles 22, a connecting rod 23, a rubber bag 24, a guide pipe 25, a sheet 26, an air hole 27, a cavity 28, a steel ball 29, a horn-shaped through groove 30, an air outlet pipe 3, a first moving mechanism 4, a first motor 41, a screw rod 42, a sliding block 43, a sliding ring 44, a lug 45, a second motor 46 and a second moving mechanism 6.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the coking flue gas denitration device of the present invention comprises an air inlet pipe 1, a box body 2 and an air outlet pipe 3, wherein the top of the box body 2 is provided with the air inlet pipe 1; an air outlet pipe 3 is arranged on one side of the box body 2; the inner wall 21 of the box body 2 is elastically arranged; a first moving mechanism 4 and a second moving mechanism 6 are respectively arranged on two sides of the box body 2, and the first moving mechanism 4 and the second moving mechanism 6 are identical in structure; the first moving mechanism 4 comprises a first motor 41, a screw rod 42 and a slide block 43, wherein the first motor 41 is used for driving the screw rod 42; the sliding block 43 is sleeved on the screw rod 42; a slip ring 44 is slidably mounted between the slide block 43 of the first moving mechanism 4 and the slide block of the second moving mechanism 6, the slip ring 44 is driven by a second motor 46, and the slip ring 44 can rotate circumferentially; a convex block 45 is arranged on one side inside the slip ring 44, and the end head on one side of the convex block 45 is arc-shaped; the projection 45 is able to rotate circumferentially with the slip ring 44. During operation, at first in the coking flue gas lets in box 2, first moving mechanism 4 and second moving mechanism 6 start simultaneously afterwards, drive lead screw 42 and rotate, slider 43 begins to slide from top to bottom, sliding ring 44 of slidable mounting makes circumferential direction under No. two motor 46 drives between the slider of first moving mechanism 4 and second moving mechanism 6, lug 45 that sliding ring 44 inside one side set up makes circumferential direction and extrudees elasticity inner wall 21 along with sliding ring 44, make the washing liquid fully flow in box 2, and then make washing liquid and flue gas intensive mixing, denitration efficiency is improved.
In one embodiment of the present invention, the inner wall 21 is formed in a wave shape. During operation, the inner wall 21 is wave-shaped, so that the bumps 45 can intermittently press the inner wall 21, the flowing effect of the washing liquid is increased, and the denitration efficiency is improved.
In one embodiment of the present invention, the inner wall 21 is provided with bristles 22 at the bends. In operation, the bristles 22 disposed at the bent portion of the inner wall 21 can accumulate impurities in the washing liquid, thereby facilitating the cleaning of the washing liquid.
As an embodiment of the invention, a connecting rod 23 is arranged at the bottom of the box body 2, a rubber bag 24 is arranged on the connecting rod 23, uniformly distributed through holes are arranged on the upper side of the rubber bag 24, and a conduit 25 is arranged on the lower side of the rubber bag 24. During operation, when lug 45 circumference extrusion elasticity inner wall 21, can extrude the rubber bag 24 that sets up in the box 2 simultaneously for rubber bag 24 is to the internal contraction, and then the washing liquid in the rubber bag 24 is spout from pipe 25 rapidly, has increased the mobility of washing liquid, thereby improves denitration efficiency.
In one embodiment of the present invention, the inner wall 21 is provided with a sheet 26 at intervals, the sheet 26 is provided with air holes 27, one side of the sheet 26 is provided with a cavity 28, and the cavity 28 is communicated with the air holes 27. During operation, lug 45 extrudes inner wall 21, and thin slice 26 on the outer wall receives the extrusion, and in gas was spouted cavity 28 from gas pocket 27, when lug 45 broke away from, made inner wall 21 produce vibrations to improve the mobility of washing liquid.
As an embodiment of the invention, the conduit 25 is arranged tangentially. When the washing machine is in operation, the tangentially arranged conduit 25 can enable the washing liquid sprayed from the conduit 25 to flow to the maximum extent, and the flowability of the washing liquid is improved.
In one embodiment of the present invention, a steel ball 29 is suspended between the vertically adjacent rubber bladders 24 by a spring, and the steel ball 29 is provided with a trumpet-shaped through groove 30. During operation, the inner wall 21 is extruded from top to bottom when the bump 45, so that the washing liquid in the box body 2 flows, the steel ball 29 suspended between the upper rubber bag 24 and the lower rubber bag 24 is rocked along with the washing liquid, and the washing liquid flows through the horn-shaped through groove 30 to further stir the washing liquid, so that the denitration efficiency is improved.
When the device works, firstly, coking flue gas is introduced into the box body 2, then the first moving mechanism 4 and the second moving mechanism 6 are started simultaneously to drive the screw rod 42 to rotate, the slide block 43 starts to slide up and down, the slide ring 44 which is arranged between the slide blocks of the first moving mechanism 4 and the second moving mechanism 6 in a sliding mode is driven by the second motor 46 to rotate in the circumferential direction, the convex block 45 which is arranged on one side inside the slide ring 44 rotates in the circumferential direction along with the slide ring 44 and extrudes the elastic inner wall 21, so that the washing liquid in the box body 2 flows sufficiently, the washing liquid and the flue gas are mixed sufficiently, and the denitration efficiency is improved; meanwhile, the inner wall 21 is wave-shaped, so that the bumps 45 can intermittently extrude the inner wall 21, the flowing effect of the washing liquid is increased, and the denitration efficiency is improved; and the bristles 22 arranged at the bent part of the inner wall 21 can accumulate impurities in the washing liquid, thereby facilitating the cleaning of the washing liquid; meanwhile, the connecting rod 23 at the bottom of the box body 2 is provided with the rubber bag 24, when the lug 45 circumferentially extrudes the elastic inner wall 21, the rubber bag 24 arranged in the box body 2 is extruded at the same time, so that the rubber bag 24 is contracted inwards, and then the cleaning solution in the rubber bag 24 is rapidly sprayed out from the guide pipe 25, so that the flowability of the cleaning solution is increased, and the denitration efficiency is improved; the guide pipe 25 is tangentially arranged, so that the washing liquid sprayed out of the guide pipe 25 flows to the maximum extent, and the flowability of the washing liquid is improved; when the lug 45 presses the inner wall 21, the sheet 26 on the outer wall is pressed, gas is sprayed into the cavity 28 from the air hole 27, and when the lug 45 is separated, the inner wall 21 can vibrate, so that the liquidity of the washing liquid is improved; meanwhile, when the washing liquid flows in the box body 2, the steel balls 29 hung between the upper rubber bag 24 and the lower rubber bag 24 are shaken along with the washing liquid, so that the washing liquid flows through the horn-shaped through grooves 30 to further stir the washing liquid, and the denitration efficiency is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A coking flue gas denitration device is characterized in that: the air inlet pipe is characterized by comprising an air inlet pipe (1), a box body (2) and an air outlet pipe (3), wherein the air inlet pipe (1) is arranged at the top of the box body (2); an air outlet pipe (3) is arranged on one side of the box body (2); the inner wall (21) of the box body (2) is elastically arranged; a first moving mechanism (4) and a second moving mechanism (6) are respectively arranged on two sides of the box body (2), and the first moving mechanism (4) and the second moving mechanism (6) are of the same structure; the first moving mechanism (4) comprises a first motor (41), a screw rod (42) and a sliding block (43), wherein the first motor (41) is used for driving the screw rod (42); the sliding block (43) is sleeved on the screw rod (42); a sliding ring (44) is arranged between the sliding block (43) of the first moving mechanism (4) and the sliding block of the second moving mechanism (6) in a sliding mode, the sliding ring (44) is driven by a second motor (46), and the sliding ring (44) can rotate in the circumferential direction; a convex block (45) is arranged on one side inside the sliding ring (44), and the end head on one side of the convex block (45) is arc-shaped; the lug (45) can rotate along with the sliding ring (44) in the circumferential direction.
2. The coking flue gas denitration device according to claim 1, characterized in that: the inner wall (21) is formed in a wave shape.
3. The coking flue gas denitration device according to claim 2, characterized in that: the bent part of the inner wall (21) is provided with bristles (22).
4. The coking flue gas denitration device according to claim 1, characterized in that: the bottom of the box body (2) is provided with a connecting rod (23), the connecting rod (23) is provided with a rubber bag (24), the upper side of the rubber bag (24) is provided with uniformly distributed through holes, and the lower side of the rubber bag (24) is provided with a guide pipe (25).
5. The coking flue gas denitration device according to claim 2, characterized in that: thin slices (26) are arranged on the inner wall (21) at intervals, air holes (27) are formed in the thin slices (26), a cavity (28) is formed in one side of each thin slice (26), and the cavity (28) is communicated with the air holes (27).
6. The coking flue gas denitration device according to claim 4, characterized in that: the ducts (25) are arranged tangentially.
7. The coking flue gas denitration device according to claim 4, characterized in that: a steel ball (29) is suspended between the upper and lower adjacent rubber bags (24) through a spring, and a trumpet-shaped through groove (30) is arranged on the steel ball (29).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810890776.3A CN108889085B (en) | 2018-08-07 | 2018-08-07 | Coking flue gas denitration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810890776.3A CN108889085B (en) | 2018-08-07 | 2018-08-07 | Coking flue gas denitration device |
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| CN108889085A CN108889085A (en) | 2018-11-27 |
| CN108889085B true CN108889085B (en) | 2021-01-12 |
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| CN201810890776.3A Active CN108889085B (en) | 2018-08-07 | 2018-08-07 | Coking flue gas denitration device |
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| CN109737760B (en) * | 2018-12-13 | 2020-06-02 | 潞城市瑞兆阳金属制品有限公司 | Non-ferrous metal smelting dust removal process |
| CN111265985A (en) * | 2020-03-21 | 2020-06-12 | 孙安杰 | Vacuum reaction tank |
| CN113634182A (en) * | 2021-09-09 | 2021-11-12 | 四川宇砼建材有限公司 | Mixing equipment and method for compounded efficient concrete glue reducing agent |
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| CN86203974U (en) * | 1986-07-24 | 1987-08-19 | 上海建筑材料工业学院 | Soft rabbling agitator without paddle |
| US20030227817A1 (en) * | 2002-04-11 | 2003-12-11 | Mobius Technologies, Inc., A California Corporation | Mixer |
| CA2546686A1 (en) * | 2006-05-12 | 2007-11-12 | Jeff D. Gagnon | Roller driven solution circulator |
| CN100510048C (en) * | 2006-08-08 | 2009-07-08 | 吉林大学 | Fermentation tank |
| CN101773799B (en) * | 2010-02-24 | 2012-11-28 | 中国科学院过程工程研究所 | Periodic peristaltic agitation method |
| CN202638275U (en) * | 2012-04-18 | 2013-01-02 | 东方电气集团东方锅炉股份有限公司 | Elastic movable separating device for flue gas |
| CN103693320B (en) * | 2013-11-11 | 2016-04-27 | 西安近代化学研究所 | A kind of for rubbing, the hopper arch breaking apparatus of impact sensitive material |
| CN204746666U (en) * | 2015-06-29 | 2015-11-11 | 中石化炼化工程（集团）股份有限公司 | Flue gas denitration spray gun |
| CN106422838B (en) * | 2016-12-05 | 2018-11-16 | 北京中能德源能源科技有限公司 | A kind of lithium battery manufacture craft slurry high-efficiency mixing device |
| CN206295787U (en) * | 2016-12-21 | 2017-07-04 | 苏州绿蓝环保服务有限公司 | A kind of acid gas purifying device |
| CN207056293U (en) * | 2017-08-08 | 2018-03-02 | 三元控股集团杭州热电有限公司 | Denitrification apparatus |
| CN107441926B (en) * | 2017-08-16 | 2024-03-29 | 盐城市兰丰环境工程科技有限公司 | Flue gas desulfurization device |
| CN107855052A (en) * | 2017-10-20 | 2018-03-30 | 重庆市开州区广鸿种养殖家庭农场 | Evenly mixing device |
| CN108043196A (en) * | 2017-11-24 | 2018-05-18 | 卞汉琦 | A kind of flue gas desulfurization high efficiency method |
| CN207667417U (en) * | 2017-12-04 | 2018-07-31 | 潍坊实德节能环保技术有限公司 | A kind of industrial tail gas desulphurization denitration processing unit |
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Effective date of registration: 20201223 Address after: 016000 Wuda District Industrial Park, Wuhai, the Inner Mongolia Autonomous Region Applicant after: INNER MONGOLIA MEIFANG COAL COKING Co.,Ltd. Address before: 610041 Southwest Jiaotong University, Western Park, Chengdu high tech Zone, Sichuan Province Applicant before: Shi Hongyang |
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