CN112237826A - Roasting flue gas purification device and treatment method - Google Patents
Roasting flue gas purification device and treatment method Download PDFInfo
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- CN112237826A CN112237826A CN201910638676.6A CN201910638676A CN112237826A CN 112237826 A CN112237826 A CN 112237826A CN 201910638676 A CN201910638676 A CN 201910638676A CN 112237826 A CN112237826 A CN 112237826A
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- bag
- dust collector
- type dust
- carbon powder
- flue gas
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000003546 flue gas Substances 0.000 title claims abstract description 30
- 238000000746 purification Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000000428 dust Substances 0.000 claims abstract description 42
- 238000001179 sorption measurement Methods 0.000 claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims abstract description 13
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 10
- 230000023556 desulfurization Effects 0.000 claims abstract description 10
- 238000001354 calcination Methods 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000003463 adsorbent Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- -1 and the like Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 description 11
- 239000010426 asphalt Substances 0.000 description 6
- FMMWHPNWAFZXNH-UHFFFAOYSA-N Benz[a]pyrene Chemical compound C1=C2C3=CC=CC=C3C=C(C=C3)C2=C2C3=CC=CC2=C1 FMMWHPNWAFZXNH-UHFFFAOYSA-N 0.000 description 5
- 239000012716 precipitator Substances 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/06—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/10—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 by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
-
- 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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- 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
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Dispersion Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a roasting flue gas purification device and a treatment method, wherein flue gas enters a high-efficiency reactor and is subjected to adsorption reaction with carbon powder sprayed from a carbon powder bin; the reacted gas enters a bag-type dust collector, the carbon powder after the adsorption reaction is collected and circularly enters a high-efficiency reactor again for adsorption reaction, an air quality tester at the port of the bag-type dust collector tests the particle content K in the bag-type dust collector, the gas after the carbon powder adsorption enters a wet purification system for desulfurization treatment in the bag-type dust collector through a fan, and the gas after the desulfurization is discharged into the atmosphere, so that the invention has the advantages that: the treatment method in the field of flue gas calcination is used in the field of flue gas calcination, and the flue gas calcination is effectively cleaned by combining with carbon powder.
Description
Technical Field
The invention relates to the field of roasting flue gas purification, in particular to a wet treatment method of roasting flue gas.
Background
As is known, carbon plants belong to enterprises which are easy to cause serious pollution, and the main reason is that roasting flue gas containing harmful substances such as fluoride, dust, asphalt smoke, sulfur dioxide, benzopyrene and the like is generated in the roasting process of a prebaked anode. At present, two forms of an electric capture oiler and desulfurization process combined method and an RTO and desulfurization process combined method are generally adopted for the purification treatment of roasting flue gas.
Most of asphalt smoke and large-particle dust in the smoke can be removed by adopting an electric tar precipitator purification mode, but the following problems exist simultaneously: firstly, in order to achieve higher trapping efficiency of the electrical tar precipitator, a cooling tower needs to be additionally arranged to reduce the temperature of flue gas, so that the cost is increased, and energy is wasted; secondly, the asphalt collected by the electrical tar precipitator has complex components and can only be treated as hazardous waste, and the subsequent treatment cost is higher; and thirdly, the electrical tar precipitator is not obvious in removing benzopyrene substances and cannot adapt to stricter and stricter environmental protection requirements.
The RTO regenerative incinerator purification mode is adopted to effectively remove organic matter components such as asphalt smoke, benzopyrene and the like in smoke, but because the RTO regenerative incinerator purification mode has high energy consumption and expensive investment and operation cost, the enterprise adopting the mode is few at present.
Disclosure of Invention
In order to solve the problems, the invention provides a roasting flue gas purification device and a treatment method.
The specific technical scheme is as follows:
a roasting flue gas purification device comprises a roasting furnace pipeline, wherein the front end of the roasting furnace pipeline is connected to one end of a high-efficiency reactor, one side of the high-efficiency reactor is connected to a carbon powder bin, the other end of the high-efficiency reactor is connected to a bag-type dust collector, and the other side of the high-efficiency reactor is connected to the lower part of the bag-type dust collector; the lower part of the bag-type dust collector is also connected with a bin-type pump, the output end of the bag-type dust collector is connected with a fan through a second pipeline, and an air quality tester is also arranged on the second pipeline; and the output end of the fan is connected to the wet desulphurization system.
Further, the invention also discloses a flue gas purification treatment method using the device, which comprises the following steps:
(1) the flue gas discharged from the roasting furnace firstly enters the high-efficiency reactor and is subjected to adsorption reaction with the carbon powder sprayed from the carbon powder bin; so that the carbon powder removes organic matters such as asphalt smoke, benzopyrene and the like in the smoke;
(2) the gas after the adsorption reaction enters a bag-type dust collector, the bag-type dust collector collects the carbon powder after the adsorption reaction and circularly enters a high-efficiency reactor again for adsorption reaction, an air quality tester at the port of the bag-type dust collector tests the particle content K in the bag-type dust collector, and when the K is above a standard value, the carbon powder in the bag-type dust collector is conveyed out of a purification system through a bin pump for comprehensive utilization;
(3) in the bag-type dust collector, the gas after carbon powder adsorption enters a wet purification system through a fan for desulfurization treatment, and the gas after desulfurization is discharged into the atmosphere.
The invention has the advantages that: the treatment method in the field of flue gas calcination is used in the field of flue gas calcination, and the flue gas calcination is effectively cleaned by combining with carbon powder.
Drawings
FIG. 1 is a schematic structural view of a roasting flue gas purification device;
Detailed Description
The invention is specifically described below with reference to the accompanying drawings, and as shown in fig. 1, a roasting flue gas purification device includes a roasting furnace pipeline 2, the front end of the roasting furnace pipeline 2 is connected to one end of a high-efficiency reactor 7, one side of the high-efficiency reactor 7 is connected to a carbon powder bin 1, the other end of the high-efficiency reactor 7 is connected to a bag-type dust collector 3, and the other side of the high-efficiency reactor 7 is connected to the lower part of the bag-type dust collector 3; the lower part of the bag-type dust collector 3 is also connected with a bin-type pump 4, the output end of the bag-type dust collector 3 is connected with a fan 5 through a second pipeline 8, and an air quality tester 301 is further arranged on the second pipeline 8; the output end of the fan 5 is connected to the wet desulphurization system 6,
the connection mode of the bag-type dust collector and the bin pump can be a spiral conveyor or other conveying mechanisms with conveying functions; the connection mode of the bag-type dust collector and the high-efficiency reactor can be a screw conveyor or other conveying mechanisms with conveying functions;
the high-efficiency reactor is a gas-solid mixing device and comprises structures such as but not limited to an air inlet section, a throat section, a reaction section, a diffusion section and the like, and the sprayed carbon powder is fully contacted with the smoke through the formed turbulence, so that organic matter components in the smoke are adsorbed to the maximum extent.
The carbon powder as the adsorbent in the carbon powder adsorption device can be an externally purchased raw material with adsorption capacity such as activated carbon and the like, or a raw material containing adsorption carbon powder such as dust collection powder and the like used in a calcination or roasting workshop in a carbon factory;
further, the invention also discloses a flue gas purification treatment method using the device, which comprises the following steps:
(1) the flue gas discharged from the roasting furnace firstly enters the high-efficiency reactor and is subjected to adsorption reaction with the carbon powder sprayed from the carbon powder bin; so that the carbon powder removes organic matters such as asphalt smoke, benzopyrene and the like in the smoke;
(2) the gas after the adsorption reaction enters a bag-type dust collector, the bag-type dust collector collects the carbon powder after the adsorption reaction and circularly enters a high-efficiency reactor again for adsorption reaction, an air quality tester at the port of the bag-type dust collector tests the particle content K in the bag-type dust collector, and when the K is above a standard value, the carbon powder in the bag-type dust collector is conveyed out of a purification system through a bin pump for comprehensive utilization;
(3) in the bag-type dust collector, the gas after carbon powder adsorption enters a wet purification system through a fan for desulfurization treatment, and the gas after desulfurization is discharged into the atmosphere.
The invention has the beneficial effects that: the invention provides a new process for removing tar organic matters in roasting flue gas; the carbon powder is a raw material frequently used in a carbon plant, and the carbon powder after adsorbing the tar can be returned to other process sections of the carbon plant to be used as a raw material or a filler, so that the cost is saved, and no waste is generated in the whole adsorption process; meanwhile, the carbon powder adsorption process adopted by the invention cannot influence parameters such as flue gas temperature, flue gas flow and the like, and the whole system runs stably;
the air quality tester can adopt a commercially available product, such as a product of Lubo environmental protection company with the model of LB-KC (A).
Claims (4)
1. The utility model provides a calcination gas cleaning device, includes the burning furnace pipeline of roasting, its characterized in that: the front end of a roasting furnace pipeline is connected to one end of a high-efficiency reactor, one side of the high-efficiency reactor is connected to a carbon powder bin, the other end of the high-efficiency reactor is connected to a bag-type dust collector, and the other side of the high-efficiency reactor is connected to the lower part of the bag-type dust collector; the lower part of the bag-type dust collector is also connected with a bin-type pump, the output end of the bag-type dust collector is connected with a fan through a second pipeline, and an air quality tester is also arranged on the second pipeline; the output end of the fan is connected with the wet desulphurization system.
2. The roasting flue gas purification device according to claim 1, wherein: the connection mode of the bag-type dust collector and the bin pump can be a spiral conveyor or other conveying mechanisms with conveying functions; the connection mode of the bag-type dust collector and the high-efficiency reactor can be a screw conveyer or other conveying mechanisms with conveying functions.
3. A flue gas purification treatment method using the device is characterized by comprising the following steps:
(1) the flue gas discharged from the roasting furnace firstly enters the high-efficiency reactor and is subjected to adsorption reaction with the carbon powder sprayed from the carbon powder bin;
(2) the gas after the adsorption reaction enters a bag-type dust collector, the bag-type dust collector collects the carbon powder after the adsorption reaction and circularly enters a high-efficiency reactor again for adsorption reaction, an air quality tester at the port of the bag-type dust collector tests the particle content K in the bag-type dust collector, and when the K is above a standard value, the carbon powder in the bag-type dust collector is conveyed out of a purification system through a bin pump for comprehensive utilization;
(3) in the bag-type dust collector, the gas after carbon powder adsorption enters a wet purification system through a fan for desulfurization treatment, and the gas after desulfurization is discharged into the atmosphere.
4. The flue gas purification treatment method according to claim 3, wherein: the carbon powder in the carbon powder bin can be used as an adsorbent, and can be a raw material with adsorption capacity, such as externally purchased activated carbon, and the like, or a raw material containing adsorption carbon powder, such as dust collection powder, and the like, used in a calcination or roasting workshop in a carbon plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638676.6A CN112237826A (en) | 2019-07-16 | 2019-07-16 | Roasting flue gas purification device and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910638676.6A CN112237826A (en) | 2019-07-16 | 2019-07-16 | Roasting flue gas purification device and treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112237826A true CN112237826A (en) | 2021-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910638676.6A Pending CN112237826A (en) | 2019-07-16 | 2019-07-16 | Roasting flue gas purification device and treatment method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048799A (en) * | 2021-03-22 | 2021-06-29 | 沈阳博宇科技有限责任公司 | Device and method for treating organic flue gas in roasting flue gas |
| CN113274837A (en) * | 2021-05-26 | 2021-08-20 | 沈阳博宇科技有限责任公司 | Calcining flue gas purifying treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061476A (en) * | 1975-05-06 | 1977-12-06 | Heinz Holter | Gas purification method and apparatus |
| KR20020036196A (en) * | 2000-11-08 | 2002-05-16 | 남상국 | Treating equipment of incineration flue gas with dual bag-filter |
| CN101310831A (en) * | 2007-05-21 | 2008-11-26 | 威海市正大环保设备有限公司 | Carbon roasting smoke dust dry purification method and device |
| CN102120130A (en) * | 2010-11-23 | 2011-07-13 | 北京机电院高技术股份有限公司 | Complete set of device and method for treating tail gas from sludge incineration through semidry method |
| CN102743951A (en) * | 2011-04-21 | 2012-10-24 | 贵阳铝镁设计研究院有限公司 | Asphalt smoke purification method and device |
| CN105396421A (en) * | 2015-10-23 | 2016-03-16 | 河北金科环保设备有限公司 | Comprehensive adsorption and desulphurization dedusting purification method of baking flue gas |
| CN207254045U (en) * | 2017-06-28 | 2018-04-20 | 厦门三维丝环保股份有限公司 | One kind removes excess NH in flue gas3Device |
| CN108744935A (en) * | 2018-07-02 | 2018-11-06 | 内蒙古深工环境治理技术有限公司 | A kind of asphalt smoke purifying system and purification method |
| CN208583152U (en) * | 2018-06-01 | 2019-03-08 | 北京凯协节能环保科技有限公司 | The dry adsorption processing system of bitumen flue gas |
-
2019
- 2019-07-16 CN CN201910638676.6A patent/CN112237826A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4061476A (en) * | 1975-05-06 | 1977-12-06 | Heinz Holter | Gas purification method and apparatus |
| KR20020036196A (en) * | 2000-11-08 | 2002-05-16 | 남상국 | Treating equipment of incineration flue gas with dual bag-filter |
| CN101310831A (en) * | 2007-05-21 | 2008-11-26 | 威海市正大环保设备有限公司 | Carbon roasting smoke dust dry purification method and device |
| CN102120130A (en) * | 2010-11-23 | 2011-07-13 | 北京机电院高技术股份有限公司 | Complete set of device and method for treating tail gas from sludge incineration through semidry method |
| CN102743951A (en) * | 2011-04-21 | 2012-10-24 | 贵阳铝镁设计研究院有限公司 | Asphalt smoke purification method and device |
| CN105396421A (en) * | 2015-10-23 | 2016-03-16 | 河北金科环保设备有限公司 | Comprehensive adsorption and desulphurization dedusting purification method of baking flue gas |
| CN207254045U (en) * | 2017-06-28 | 2018-04-20 | 厦门三维丝环保股份有限公司 | One kind removes excess NH in flue gas3Device |
| CN208583152U (en) * | 2018-06-01 | 2019-03-08 | 北京凯协节能环保科技有限公司 | The dry adsorption processing system of bitumen flue gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048799A (en) * | 2021-03-22 | 2021-06-29 | 沈阳博宇科技有限责任公司 | Device and method for treating organic flue gas in roasting flue gas |
| CN113274837A (en) * | 2021-05-26 | 2021-08-20 | 沈阳博宇科技有限责任公司 | Calcining flue gas purifying treatment system |
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Effective date of registration: 20210602 Address after: No.176-1 Dingxiang street, Sujiatun District, Shenyang City, Liaoning Province Applicant after: SHENYANG BOYU TECHNOLOGY Co.,Ltd. Address before: 110001 Heping North Street 184, Heping District, Liaoning, Shenyang Applicant before: SHENYANG ALUMINUM AND MAGNESIUM TECHNOLOGY Co.,Ltd. |
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