CN114632393A - Asphalt flue gas treatment system - Google Patents
Asphalt flue gas treatment system Download PDFInfo
- Publication number
- CN114632393A CN114632393A CN202210253585.2A CN202210253585A CN114632393A CN 114632393 A CN114632393 A CN 114632393A CN 202210253585 A CN202210253585 A CN 202210253585A CN 114632393 A CN114632393 A CN 114632393A
- Authority
- CN
- China
- Prior art keywords
- water
- flue gas
- spray tower
- carbon adsorption
- activated carbon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000003546 flue gas Substances 0.000 title claims abstract description 33
- 239000010426 asphalt Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 94
- 239000007921 spray Substances 0.000 claims abstract description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- 239000003513 alkali Substances 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004200 deflagration Methods 0.000 abstract description 5
- 238000010891 electric arc Methods 0.000 abstract description 5
- 239000012716 precipitator Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 238000000034 method Methods 0.000 description 11
- 239000007788 liquid Substances 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 3
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40084—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by exchanging used adsorbents with fresh adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to the technical field of environmental protection, and discloses an asphalt flue gas treatment system which comprises a water spray tower and an alkali liquor spray tower, wherein wire mesh demisters are mounted at exhaust ends of the water spray tower and the alkali liquor spray tower, a first induced draft fan is arranged between the water spray tower and the alkali liquor spray tower, the exhaust end of the alkali liquor spray tower is connected with a second induced draft fan, one end of the second induced draft fan is connected with an active carbon adsorption device, and one end of the active carbon adsorption device is connected with a third induced draft fan; according to the invention, the activated carbon adsorption device is arranged, the asphalt flue gas firstly enters the water spray tower for water spray treatment, then the flue gas subjected to water spray treatment is introduced into the alkali liquor spray tower by the first induced draft fan, and then the flue gas subjected to two-stage spray treatment is introduced into the activated carbon adsorption device for adsorption treatment by the second induced draft fan, so that an electric tar precipitator is replaced, the deflagration risk caused by arc discharge is avoided, and meanwhile, the flue gas treatment effect can be effectively improved.
Description
Technical Field
The invention relates to the technical field of environmental protection, in particular to an asphalt flue gas treatment system.
Background
At present, with the development of new energy industry, the demand of artificial graphite cathode materials is more and more increased. An important process for producing the artificial graphite cathode is coating kettle granulation modification. In the coating and granulating process, a large amount of asphalt fume is generated, and the treatment method of the asphalt fume is more and more important.
The current treatment method comprises the following steps: the method comprises the steps of electrically capturing asphalt smoke, carrying out incineration treatment, carrying out water washing treatment and the like, wherein the existing method has the problems of arc discharge, detonation and deflagration risks and higher tail gas incineration cost.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an asphalt flue gas treatment system, which solves the problems.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pitch flue gas processing system, includes water spray column and alkali lye spray column, the silk screen defroster is all installed to the exhaust end of water spray column and alkali lye spray column, be equipped with first draught fan between water spray column and the alkali lye spray column, the exhaust end of alkali lye spray column is connected with the second draught fan, second draught fan one end is connected with activated carbon adsorption device, activated carbon adsorption device one end is connected with the third draught fan, the end of airing exhaust of third draught fan is connected with the aiutage.
Preferably, the exhaust end of the water spray tower is communicated with the air inlet end of the first induced draft fan, and the air inlet end of the alkali liquor spray tower is communicated with the exhaust end of the first induced draft fan.
Preferably, the activated carbon adsorption device comprises two activated carbon adsorption boxes, and the two activated carbon adsorption boxes are respectively provided with a heating and regenerating device.
Preferably, the water spray tower is provided with a water circulation system and an oil-water separator.
Preferably, the water circulation system comprises a circulating water pipe, the oil-water separator is arranged on the circulating water pipe, and a circulating water pump is arranged on the circulating water pipe.
Preferably, a water replenishing pipe is connected in parallel to the circulating water pipe, and a water replenishing valve is installed on the water replenishing pipe.
Preferably, one end of the water replenishing valve and one end of the circulating water pump are connected with a programmable PLC.
(III) advantageous effects
The invention provides an asphalt flue gas treatment system, which has the following beneficial effects:
(1) according to the invention, by arranging the activated carbon adsorption device, the asphalt flue gas firstly enters the water spray tower for water spray treatment, then the flue gas subjected to water spray treatment is introduced into the alkali liquor spray tower by the first induced draft fan, and then the flue gas subjected to two-stage spray treatment is introduced into the activated carbon adsorption device for adsorption treatment by the second induced draft fan, so that an electric tar precipitator is replaced, the deflagration risk caused by arc discharge is avoided, and meanwhile, the flue gas treatment effect can be effectively improved.
(2) According to the invention, the water circulation system is arranged, the water replenishing and water circulating of the water circulation system adopt two parallel pipelines with one large pipeline and one small pipeline, and the programmable PLC controls the starting sequence and the starting time of the pipelines, so that the stable liquid level of the system is ensured.
(3) The heating regeneration device is arranged, so that the activated carbon adsorption device can be heated and regenerated, and asphalt flue gas droplets in the activated carbon adsorption device can be removed.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure: 1. a water spray tower; 2. an alkali liquor spray tower; 3. a wire mesh demister; 4. a first induced draft fan; 5. a second induced draft fan; 6. an activated carbon adsorption unit; 7. a third induced draft fan; 8. an exhaust funnel; 9. a circulating water pipe; 10. an oil-water separator; 11. a water circulating pump; 12. a water replenishing pipe; 13. a water replenishing valve; 14. a programmable PLC; 15. the regeneration device is heated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution: an asphalt flue gas treatment system comprises a water spray tower 1 and an alkali liquor spray tower 2, wherein the treatment effect on flue gas can be improved by utilizing two-stage spray treatment of water and alkali liquor, a wire mesh demister 3 is arranged at the exhaust ends of the water spray tower 1 and the alkali liquor spray tower 2, so that water mist and alkali liquor are prevented from entering a subsequent activated carbon adsorption device 6 under the action of a second draught fan 5, a first draught fan 4 is arranged between the water spray tower 1 and the alkali liquor spray tower 2, the flue gas after water spray can be introduced into the alkali liquor spray tower 2, the exhaust end of the alkali liquor spray tower 2 is connected with the second draught fan 5, one end of the second draught fan 5 is connected with the activated carbon adsorption device 6, an electric tar precipitator is replaced, the deflagration risk caused by arc discharge is avoided, meanwhile, the residual asphalt flue gas is adsorbed by utilizing the porous structure of the electric tar precipitator, one end of the activated carbon adsorption device 6 is connected with a third draught fan 7, and the air exhaust end of the third induced draft fan 7 is connected with an air exhaust funnel 8, so that the exhaust of smoke is facilitated.
Further, the exhaust end of the water spray tower 1 is communicated with the air inlet end of the first draught fan 4, and the air inlet end of the alkali liquor spray tower 2 is communicated with the exhaust end of the first draught fan 4, so that flue gas sprayed by water can enter the alkali liquor spray tower 2 to be sprayed.
Further, activated carbon adsorption device 6 includes two activated carbon adsorption casees, and two activated carbon adsorption casees are used one and are equipped with, are convenient for switch over two all install heating regenerating unit 15 on the activated carbon adsorption case, can utilize heating regenerating unit 15 to heat regeneration to the activated carbon adsorption case after the activated carbon adsorption case is sealed around, get rid of pitch flue gas liquid drop wherein.
Further, a water circulation system and an oil-water separator 10 are installed on the water spray tower 1, the water circulation system can automatically replenish water and circulate water, the oil-water separator 10 can be used for treating circulating water, and the spraying effect of the circulating water is improved.
Further, water circulating system includes circulating pipe 9, oil water separator 10 installs on circulating pipe 9, install circulating water pump 11 on circulating pipe 9, can carry out cyclic utilization to the inside water of water spray tower 1.
Furthermore, a water replenishing pipe 12 is connected in parallel to the circulating water pipe 9, a water replenishing valve 13 is installed on the water replenishing pipe 12, the water replenishing valve 13 and the water replenishing pipe 12 can be used for replenishing the spray water, and the stability of the liquid level of the system is ensured.
Furthermore, one end of the water replenishing valve 13 and one end of the circulating water pump 11 are connected with a programmable PLC14, and the programmable PLC14 controls the opening sequence and the starting time of the water replenishing valve 13 and the circulating water pump 11, so that the stable liquid level of the system is ensured.
In conclusion, the working process of the invention is as follows: the asphalt flue gas firstly enters the water spray tower 1 to be subjected to water spray treatment, then the flue gas subjected to water spray is introduced into the alkali liquor spray tower 2 through the first draught fan 4, and then the flue gas subjected to two-stage spray treatment is introduced into the activated carbon adsorption device 6 through the second draught fan 5 to be subjected to adsorption treatment, so that an electric tar precipitator is replaced, the deflagration risk caused by arc discharge is avoided, and meanwhile, the flue gas treatment effect can be effectively improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an asphalt flue gas processing system, includes water spray column (1) and alkali lye spray column (2), its characterized in that: the exhaust end of water spray column (1) and alkali lye spray column (2) all installs silk screen defroster (3), be equipped with first draught fan (4) between water spray column (1) and alkali lye spray column (2), the exhaust end of alkali lye spray column (2) is connected with second draught fan (5), second draught fan (5) one end is connected with activated carbon adsorption device (6), activated carbon adsorption device (6) one end is connected with third draught fan (7), the end of airing exhaust of third draught fan (7) is connected with aiutage (8).
2. The asphalt flue gas treatment system according to claim 1, wherein: the exhaust end of the water spray tower (1) is communicated with the air inlet end of the first induced draft fan (4), and the air inlet end of the alkali liquor spray tower (2) is communicated with the exhaust end of the first induced draft fan (4).
3. The asphalt flue gas treatment system according to claim 1, wherein: the activated carbon adsorption device (6) comprises two activated carbon adsorption boxes, and the activated carbon adsorption boxes are provided with heating regeneration devices (15).
4. The asphalt flue gas treatment system according to claim 1, wherein: and a water circulation system and an oil-water separator (10) are arranged on the water spray tower (1).
5. The asphalt flue gas treatment system according to claim 4, wherein: the water circulation system comprises a circulating water pipe (9), the oil-water separator (10) is installed on the circulating water pipe (9), and a circulating water pump (11) is installed on the circulating water pipe (9).
6. The asphalt flue gas treatment system according to claim 5, wherein: and a water replenishing pipe (12) is connected in parallel on the circulating water pipe (9), and a water replenishing valve (13) is installed on the water replenishing pipe (12).
7. The asphalt flue gas treatment system according to claim 6, wherein: and one ends of the water replenishing valve (13) and the circulating water pump (11) are connected with a programmable PLC (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253585.2A CN114632393A (en) | 2022-03-15 | 2022-03-15 | Asphalt flue gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253585.2A CN114632393A (en) | 2022-03-15 | 2022-03-15 | Asphalt flue gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114632393A true CN114632393A (en) | 2022-06-17 |
Family
ID=81947866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210253585.2A Pending CN114632393A (en) | 2022-03-15 | 2022-03-15 | Asphalt flue gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114632393A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114984699A (en) * | 2022-07-20 | 2022-09-02 | 辽宁信德新材料科技股份有限公司 | Asphalt tail gas oil removing device and process in production of negative electrode coating material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536436A (en) * | 2015-12-25 | 2016-05-04 | 广东浚丰华科技有限公司 | Organic waste gas purification device and purification method aiming at asphalt processing production |
| CN208990537U (en) * | 2018-09-04 | 2019-06-18 | 周铁 | A kind of composite type pitch fume purifying apparatus |
-
2022
- 2022-03-15 CN CN202210253585.2A patent/CN114632393A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536436A (en) * | 2015-12-25 | 2016-05-04 | 广东浚丰华科技有限公司 | Organic waste gas purification device and purification method aiming at asphalt processing production |
| CN208990537U (en) * | 2018-09-04 | 2019-06-18 | 周铁 | A kind of composite type pitch fume purifying apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 厉衡隆，顾松青: "铝冶炼生产技术手册", 冶金工业出版社, pages: 484 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114984699A (en) * | 2022-07-20 | 2022-09-02 | 辽宁信德新材料科技股份有限公司 | Asphalt tail gas oil removing device and process in production of negative electrode coating material |
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