WO2022077155A1 - Désulfuration de type sac à impulsions et dispositif d'élimination de poussière de dénitrification pratique pour faire glisser la poussière vers le bas - Google Patents

Désulfuration de type sac à impulsions et dispositif d'élimination de poussière de dénitrification pratique pour faire glisser la poussière vers le bas Download PDF

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Publication number
WO2022077155A1
WO2022077155A1 PCT/CN2020/120345 CN2020120345W WO2022077155A1 WO 2022077155 A1 WO2022077155 A1 WO 2022077155A1 CN 2020120345 W CN2020120345 W CN 2020120345W WO 2022077155 A1 WO2022077155 A1 WO 2022077155A1
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Prior art keywords
fixedly connected
dust
wall
box
communication pipe
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Ceased
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PCT/CN2020/120345
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English (en)
Chinese (zh)
Inventor
王春保
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Anhui Shunda Environmental Protection Technology Co Ltd
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Anhui Shunda Environmental Protection Technology Co Ltd
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Priority to PCT/CN2020/120345 priority Critical patent/WO2022077155A1/fr
Publication of WO2022077155A1 publication Critical patent/WO2022077155A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
    • B01D46/04—Cleaning filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor

Definitions

  • the invention relates to the technical field of dust removal, in particular to a pulse bag-type desulfurization and denitration dust collector which is convenient for dust to fall.
  • Desulfurization, denitrification and dust removal technology is a selective non-catalytic reduction denitration technology.
  • This technology is to spray NH3, urea and other reducing agents into the area where the temperature is 850-1100 °C in the furnace, and the reducing agent (urea) is rapidly thermally decomposed into NH3 and mixed with smoke.
  • the NOx in the gas is selectively reacted, and the NOx is reduced to nitrogen and water.
  • This method uses the furnace as the reactor, the process is simple, and the operation is convenient.
  • one end of the pulse valve is connected to the compressed air bag, the other end is connected to the injection pipe, the back pressure chamber of the pulse valve is connected to the control valve, and the pulse controller controls the control valve and the pulse valve to open.
  • the signal is output, the exhaust port of the control valve is closed, and the nozzle of the pulse valve is in a closed state; when the controller sends a signal, the control exhaust port is opened, and the pressure of the gas outside the back pressure of the pulse valve is reduced, and pressure is generated on both sides of the diaphragm. difference, the diaphragm is displaced due to the pressure difference, and the pulse valve is blown open.
  • the compressed air is ejected from the air bag through the pulse valve through the small hole of the injection pipe (the gas injected from the injection pipe is primary air).
  • the airflow induces the surrounding air (called secondary air) several times of the primary air into the filter bag through the venturi inducer, resulting in an instantaneous positive pressure in the filter bag to achieve dust removal.
  • secondary air the surrounding air
  • the existing dust collector has poor dust removal effect, and some structures designed in the dust collector are inconvenient for dust to slide down, resulting in low dust removal efficiency.
  • the purpose of the present invention is to provide a pulse bag-type desulfurization and denitrification dust collector that facilitates the sliding of dust, so as to solve the problems raised in the above background technology.
  • a pulse bag-type desulfurization and denitrification dust collector that facilitates the sliding of dust, including a dust removal box, the outer wall of one side of the dust removal box is fixedly connected with a dust-containing air intake pipe, and the dust-containing inlet pipe is A first communication pipe is fixedly connected to the top of the air pipe, a circulating pump is fixedly connected to the top of one side of the dust removal box, the other end of the first communication pipe is fixedly connected to the outer wall of one side of the circulation pump, and the top of the other side of the dust removal box is fixedly connected There is a material box, a desulfurization and denitrification box is fixedly connected to the outer wall of the other side of the dust removal box, a second communication pipe is fixedly connected to the top of the circulating pump, and the outer wall of the second communication pipe is provided with a first control valve.
  • the other end of the pipe is fixedly connected to the outer wall of one side of the desulfurization and denitration tank, the outer wall of the other end of the second communication pipe is provided with a fourth control valve, and the outer wall of one side of the material tank is fixedly connected with a third communication pipe, the third communication pipe
  • the outer wall is provided with a second control valve, the other end of the third communication pipe is fixedly connected to the top of the desulfurization and denitration box, the top of one side of the dust box is fixedly connected with a fourth communication pipe, and the outer wall of the fourth communication pipe is provided with a third communication pipe.
  • Control valve the other end of the fourth communication pipe is fixedly connected with the top of one side of the desulfurization and denitration tank.
  • an isolation plate is fixedly connected to the inner wall of the dust removal box, and a nozzle is fixedly connected to the inner walls of the two sides of the dust removal box.
  • the nozzle is located on top of the isolation plate.
  • baffle plates are fixedly connected on both sides of the bottom of the isolation plate, a return spring is fixedly connected between the baffle plate and the inner wall of the dust box, a connecting pipe is fixedly connected to the bottom of the nozzle, and the other end of the connecting pipe is fixedly connected.
  • a pulse bag is fixedly connected to the other end of the connecting pipe through the bottom of the isolation plate.
  • a dust extraction hopper is fixedly connected at the center of the bottom of the dust removal box, a dust extraction pipe is fixedly connected to the bottom of the dust extraction bucket, an outer wall of the dust extraction pipe is provided with a dust extraction control valve, and a surface of the dust extraction box is provided with a dust extraction control valve.
  • Control switch the bottom of the dust box is fixedly connected with a support frame.
  • the inner walls of both sides of the desulfurization and denitration box are provided with notches, and the inner walls of the notches are fixedly connected with a first activated carbon filter layer and a second activated carbon filter layer, and the first activated carbon filter layer and the second activated carbon filter
  • the surface of the layer is provided with a clasp.
  • an air outlet hopper is fixedly connected to the bottom center of the desulfurization and denitrification box, an air outlet pipe is fixedly connected to the bottom of the air outlet hopper, and an air outlet control valve is arranged on the outer wall of the air outlet pipe.
  • the pulse bag type desulfurization and denitrification dust collector which is convenient for dust to fall, can be dedusted and denitrified in the desulfurization and denitrification box by the setting of the dust box, after the pulse bag in the dust box is dedusted.
  • Provide desulfurization and denitrification agents in the desulfurization and denitrification box, and then through the circulating pump, the gas that has not been thoroughly dedusted and desulfurized and denitrified in the desulfurization and denitrification box can be sent back to the dust-containing intake pipe of the dedusting box for efficient operation.
  • the dust removal desulfurization and denitrification treatment can be dedusted and denitrified in the desulfurization and denitrification box by the setting of the dust box, after the pulse bag in the dust box is dedusted.
  • the pulse bag type desulfurization and denitrification dust collector that facilitates the sliding of dust, through the setting of the buckle, when the first activated carbon filter layer and the second activated carbon filter layer need to be replaced, the first activated carbon filter layer and the second activated carbon filter The layers are withdrawn from the slots for quick replacement.
  • Fig. 1 is the front view schematic diagram of the present invention
  • Fig. 2 is the front view structure schematic diagram of the present invention
  • FIG. 3 is a schematic diagram of the structure of the slot of the present invention.
  • a pulse bag-type desulfurization and denitrification dust collector that facilitates the sliding of dust, comprising a dust removal box 1, and an outer wall of one side of the dust removal box 1 is fixedly connected with a dust-containing air intake pipe 2,
  • a first communication pipe 3 is fixedly connected to the top of the dust-containing air intake pipe 2
  • a circulating pump 9 is fixedly connected to the top of one side of the dust removal box 1
  • the other end of the first communication pipe 3 is fixedly connected to the outer wall of one side of the circulating pump 9, and the other end of the dust removal box 1 is fixedly connected.
  • a material box 13 is fixedly connected to the top of the side, a desulfurization and denitrification box 18 is fixedly connected to the outer wall of the other side of the dust removal box 1, a second communication pipe 11 is fixedly connected to the top of the circulating pump 9, and the outer wall of the second communication pipe 11 is provided with a first control valve 10, The other end of the second communication pipe 11 is fixedly connected with the outer wall of one side of the desulfurization and denitration tank 18 , the outer wall of the other end of the second communication pipe 11 is provided with a fourth control valve 19 , and the outer wall of the material tank 13 is fixedly connected with a third communication pipe 15 .
  • a second control valve 14 is arranged on the outer wall of the three communication pipes 15 , the other end of the third communication pipe 15 is fixedly connected to the top of the desulfurization and denitrification box 18 , the top of one side of the dust removal box 1 is fixedly connected with a fourth communication pipe 17 , and the outer wall of the fourth communication pipe 17 is fixedly connected.
  • a third control valve 16 is provided, and the other end of the fourth communication pipe 17 is fixedly connected to the top of one side of the desulfurization and denitration tank 18 .
  • an isolation plate 12 is fixedly connected to the inner wall of the dust removal box 1
  • a nozzle 8 is fixedly connected to the inner walls of both sides of the dust removal box 1 . 7.
  • the nozzle 8 is located on the top of the isolation plate 12.
  • baffles 5 are fixedly connected to both sides of the bottom of the isolation plate 12
  • a return spring 4 is fixedly connected between the baffles 5 and the inner wall of the dust box 1
  • a connecting pipe 6 is fixedly connected to the bottom of the nozzle 8.
  • the connecting pipe The other end of 6 penetrates through the bottom of the isolation plate 12, and the other end of the connecting pipe 6 is fixedly connected with a pulse bag 32.
  • a dust discharge hopper 25 is fixedly connected to the bottom of the dust box 1, and a dust discharge pipe 26 is fixedly connected to the bottom of the dust discharge hopper 25.
  • the outer wall of the dust discharge pipe 26 is provided with a dust discharge control valve 27.
  • a control switch 29 is arranged on the surface of the dust box 1 , and a support frame 28 is fixedly connected to the bottom of the dust box 1 .
  • slots 31 are formed on both inner walls of the desulfurization and denitration box 18 , and the inner walls of the slots 31 are fixedly connected with the first activated carbon filter layer 20 and the second activated carbon filter layer 21 , the first activated carbon filter layer 20 and the first activated carbon filter layer 20
  • the surface of the second activated carbon filter layer 21 is provided with a buckle 30 .
  • a gas outlet hopper 22 is fixedly connected to the bottom center of the desulfurization and denitration box 18, and a gas outlet pipe 23 is fixedly connected to the bottom of the gas outlet hopper 22.
  • the outer wall of the gas outlet pipe 23 is provided with a gas outlet control valve 24.
  • the exhaust gas enters the dust removal box 1 through the dust-containing air intake pipe 2.
  • the baffle 5 set in the dust removal box 1 can prevent large particles of dust and impurities from falling on the inner wall of the dust extraction hopper 25, through the nozzle 8 and the connecting pipe. 6. Blow air to the pulse bag 32, and drop the dust attached to the surface of the pulse bag 32 into the dust hopper 25. After the pulse bag 32 in the dust box 1 is dedusted, the dedusted gas can be cleaned in the desulfurization and denitration box 18.
  • the desulfurization and denitrification box 18 is provided with desulfurization and denitration agent by the material box 13, and then the circulating pump 9 can remove the gas that has not been completely dedusted and desulfurized and denitrified in the desulfurization and denitrification box 18, and then sent back to the dedusting In the dust-containing intake pipe 2 of the box 1, efficient dust removal, desulfurization and denitration treatment is carried out.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Treating Waste Gases (AREA)

Abstract

L'invention porte sur un dispositif d'élimination de poussière de désulfuration et de dénitrification de type sac à impulsion pratique pour faire glisser la poussière vers le bas, comprenant une boîte d'élimination de poussière (1). La paroi externe d'un côté de la boîte d'élimination de poussière (1) est relié de manière fixe à un tuyau d'entrée d'air contenant de la poussière (2) ; la partie supérieure du tuyau d'entrée d'air contenant de la poussière (2) est relié de manière fixe à un premier tuyau de communication (3) ; la partie supérieure d'un côté de la boîte d'élimination de poussière (1) est reliée de manière fixe à une pompe de circulation (9) ; l'autre extrémité du premier tuyau de communication (3) est reliée de manière fixe à la paroi extérieure d'un côté de la pompe de circulation (9) ; la partie supérieure de l'autre côté de la boîte d'élimination de poussière (1) est reliée de manière fixe à une boîte de matériau (13) ; la paroi extérieure de l'autre côté de la boîte de dépoussiérage (1) est reliée de manière fixe à une boîte de désulfuration et de dénitrification (18) ; la partie supérieure de la pompe de circulation (9) est reliée de manière fixe à un second tuyau de communication (11) ; une première soupape de commande (10) est disposée sur la paroi externe du second tuyau de communication (11) ; l'autre extrémité du second tuyau de communication (11) est reliée de manière fixe à la paroi externe d'un côté de la boîte de désulfuration et de dénitrification (18) ; une quatrième soupape de commande (19) est disposée sur la paroi externe de l'autre extrémité du second tuyau de communication (11) ; la paroi extérieure d'un côté de la boîte à matériau (13) est reliée de manière fixe à un troisième tuyau de communication (15) ; une seconde soupape de commande (14) est disposée sur la paroi externe du troisième tuyau de communication (15) ; l'autre extrémité du troisième tuyau de communication (15) est reliée de manière fixe à la partie supérieure de la boîte de désulfuration et de dénitrification (18) ; la partie supérieure d'un côté de la boîte d'élimination de poussière (1) est reliée de manière fixe à un quatrième tuyau de communication (17) ; une troisième soupape de commande (16) est disposée sur la paroi externe du quatrième tuyau de communication (17) ; et l'autre extrémité du quatrième tuyau de communication (17) est reliée de manière fixe à la partie supérieure d'un côté de la boîte de désulfuration et de dénitrification (18).
PCT/CN2020/120345 2020-10-12 2020-10-12 Désulfuration de type sac à impulsions et dispositif d'élimination de poussière de dénitrification pratique pour faire glisser la poussière vers le bas Ceased WO2022077155A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/120345 WO2022077155A1 (fr) 2020-10-12 2020-10-12 Désulfuration de type sac à impulsions et dispositif d'élimination de poussière de dénitrification pratique pour faire glisser la poussière vers le bas

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Application Number Priority Date Filing Date Title
PCT/CN2020/120345 WO2022077155A1 (fr) 2020-10-12 2020-10-12 Désulfuration de type sac à impulsions et dispositif d'élimination de poussière de dénitrification pratique pour faire glisser la poussière vers le bas

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WO2022077155A1 true WO2022077155A1 (fr) 2022-04-21

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115282698A (zh) * 2022-06-27 2022-11-04 马鞍山当涂发电有限公司 一种用于电厂高效节能减排废气处理装置及其使用方法
CN116510452A (zh) * 2023-05-29 2023-08-01 兰溪华能输送设备制造有限公司 一种气箱式脉冲袋收尘器
CN116550106A (zh) * 2023-05-08 2023-08-08 湖南捷森生态科技有限公司 一种多点集中除尘脱硫脱硝装置
CN116871054A (zh) * 2023-07-31 2023-10-13 江苏英普科科技股份有限公司 一种湿式静电除尘器
CN118045817A (zh) * 2024-02-26 2024-05-17 桂林云塑阀业有限公司 一种快开提拉式隔膜角阀及其生产设备
CN118142292A (zh) * 2024-05-11 2024-06-07 天津中冀建设集团有限公司 一种市政施工用除尘设备
CN118220917A (zh) * 2024-05-22 2024-06-21 石狮禾宝纺织有限公司 一种废丝收集系统及收集方法
CN119548981A (zh) * 2024-12-05 2025-03-04 安徽华塑股份有限公司 一种具有清洁机构的脱硝装置
CN121338445A (zh) * 2025-12-17 2026-01-16 济南华信自动化工程有限公司 一种防反喷跑灰网系统
CN121775545A (zh) * 2026-03-05 2026-04-03 淄博科邦节能环保科技有限公司 一种烟气脱硫脱硝处理装置

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US4718924A (en) * 1986-05-30 1988-01-12 Demarco Thomas M Two compartment four stage industrial dust collector
CN206778166U (zh) * 2017-04-24 2017-12-22 扬州市君睿创智工业设计有限公司 一种便于灰尘滑落的脉冲袋式脱硫脱硝除尘器
CN207591480U (zh) * 2017-10-31 2018-07-10 安徽海螺川崎装备制造有限公司 一种脉冲清灰袋式除尘器
CN108939885A (zh) * 2018-07-25 2018-12-07 南京中跃信息科技有限公司 一种便于灰尘滑落的脉冲袋式脱硫脱硝除尘器
CN208943686U (zh) * 2018-10-22 2019-06-07 新乡市博翔净化设备有限公司 一种采用铁铬铝纤维毡的高温袋式除尘器
CN110711468A (zh) * 2019-10-23 2020-01-21 安徽国能亿盛环保科技有限公司 一种便于灰尘滑落的脉冲袋式脱硫脱硝除尘器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718924A (en) * 1986-05-30 1988-01-12 Demarco Thomas M Two compartment four stage industrial dust collector
CN206778166U (zh) * 2017-04-24 2017-12-22 扬州市君睿创智工业设计有限公司 一种便于灰尘滑落的脉冲袋式脱硫脱硝除尘器
CN207591480U (zh) * 2017-10-31 2018-07-10 安徽海螺川崎装备制造有限公司 一种脉冲清灰袋式除尘器
CN108939885A (zh) * 2018-07-25 2018-12-07 南京中跃信息科技有限公司 一种便于灰尘滑落的脉冲袋式脱硫脱硝除尘器
CN208943686U (zh) * 2018-10-22 2019-06-07 新乡市博翔净化设备有限公司 一种采用铁铬铝纤维毡的高温袋式除尘器
CN110711468A (zh) * 2019-10-23 2020-01-21 安徽国能亿盛环保科技有限公司 一种便于灰尘滑落的脉冲袋式脱硫脱硝除尘器

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115282698A (zh) * 2022-06-27 2022-11-04 马鞍山当涂发电有限公司 一种用于电厂高效节能减排废气处理装置及其使用方法
CN116550106A (zh) * 2023-05-08 2023-08-08 湖南捷森生态科技有限公司 一种多点集中除尘脱硫脱硝装置
CN116510452A (zh) * 2023-05-29 2023-08-01 兰溪华能输送设备制造有限公司 一种气箱式脉冲袋收尘器
CN116871054A (zh) * 2023-07-31 2023-10-13 江苏英普科科技股份有限公司 一种湿式静电除尘器
CN118045817A (zh) * 2024-02-26 2024-05-17 桂林云塑阀业有限公司 一种快开提拉式隔膜角阀及其生产设备
CN118142292A (zh) * 2024-05-11 2024-06-07 天津中冀建设集团有限公司 一种市政施工用除尘设备
CN118220917A (zh) * 2024-05-22 2024-06-21 石狮禾宝纺织有限公司 一种废丝收集系统及收集方法
CN119548981A (zh) * 2024-12-05 2025-03-04 安徽华塑股份有限公司 一种具有清洁机构的脱硝装置
CN121338445A (zh) * 2025-12-17 2026-01-16 济南华信自动化工程有限公司 一种防反喷跑灰网系统
CN121775545A (zh) * 2026-03-05 2026-04-03 淄博科邦节能环保科技有限公司 一种烟气脱硫脱硝处理装置

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