CN111964082A - Waste gas catalytic combustion device - Google Patents
Waste gas catalytic combustion device Download PDFInfo
- Publication number
- CN111964082A CN111964082A CN202010669388.XA CN202010669388A CN111964082A CN 111964082 A CN111964082 A CN 111964082A CN 202010669388 A CN202010669388 A CN 202010669388A CN 111964082 A CN111964082 A CN 111964082A
- Authority
- CN
- China
- Prior art keywords
- desorption
- catalytic combustion
- activated carbon
- waste gas
- air
- 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
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 42
- 239000002912 waste gas Substances 0.000 title abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 117
- 238000003795 desorption Methods 0.000 claims abstract description 70
- 238000001179 sorption measurement Methods 0.000 claims abstract description 61
- 238000001816 cooling Methods 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010815 organic waste Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000010849 combustible waste Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/50—Control or safety arrangements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a waste gas catalytic combustion device, which comprises a support, an adsorption unit, a catalytic combustion unit and an air exhaust unit, wherein the adsorption unit comprises a plurality of activated carbon adsorption boxes fixed on the support, and the waste gas catalytic combustion device has the beneficial effects that: 1. inflammable waste gas flows through an activated carbon layer in the activated carbon adsorption box, inflammable particles are adsorbed by activated carbon, the concentration of the waste gas is reduced, and the inflammable waste gas is cooled and filtered by a filter and discharged from a chimney after reaching the standard; 2. activated carbon layer reaches the saturation back in the exhaust-gas treatment process, stops waste gas input activated carbon adsorption case, and catalytic combustion host computer work produces high-temperature gas, is followed the internal suction of catalytic combustion host computer with high-temperature gas by the desorption fan again, carries out the desorption to the activated carbon layer in importing the activated carbon adsorption case through the desorption tuber pipe, and the high concentration waste gas that the desorption produced gets into the catalytic combustion host computer through the desorption tuber pipe and burns, and the continuous cycle provides the energy for the desorption.
Description
The technical field is as follows:
the invention relates to the field of waste gas treatment, in particular to a waste gas catalytic combustion device.
Background art:
in the production process of some chemical industries, organic waste gas mainly comprising organic components such as benzene, cyclohexane and xylene is discharged; in the process of oil exploitation, oil field associated gas mainly containing methane and low-carbon chain hydrocarbon is discharged; in the coal seam mining process, methane-based gas is discharged. The organic waste gas is discharged to the outside after being treated. The existing treatment device is not thorough enough in treatment of inflammable waste gas, still cannot reach the standard and discharge, and the treatment process is high in energy consumption and cannot achieve continuous cyclic treatment.
The invention content is as follows:
the invention aims to solve the existing problems and provides an exhaust gas catalytic combustion device.
The technical solution of the invention is as follows:
a waste gas catalytic combustion device comprises a support, an adsorption unit, a catalytic combustion unit and an air exhaust unit, wherein the adsorption unit comprises a plurality of activated carbon adsorption boxes fixed on the support, the top surface and the bottom surface of each activated carbon adsorption box are respectively provided with an air inlet and an air outlet, the outer wall of each activated carbon adsorption box is provided with desorption pipe openings which are staggered up and down, the air exhaust unit comprises a chimney, an adsorption fan, an exhaust manifold, an adsorption air pipe and a filter, the side surface of the adsorption fan is communicated with the lower part of the chimney, the top surface is communicated with the upper part of the chimney through the exhaust manifold, one end of the adsorption air pipe is communicated with the chimney, the other end of the adsorption air pipe is communicated with the air outlet respectively, the filter is installed on the adsorption air pipe, the catalytic combustion unit comprises a catalytic combustion host, a desorption fan, a supplementary cooling fan, a desorption air pipe, the outlet of the desorption fan is connected with the inlet of the desorption fan, the outlet of the desorption fan is communicated with the other end of the desorption air pipe, and the desorption air pipe is arranged on the periphery of the activated carbon adsorption box and is communicated with a plurality of desorption pipe openings.
As preferred, the activated carbon adsorption case includes box, grid, spray piping, activated carbon layer, thermocouple and access door, the upper portion and the lower part of box are the fill form, and the middle part is the rectangle cavity, grid horizontal installation is in the rectangle cavity, the grid top surface is arranged in on the activated carbon layer, spray piping erection is in the top on activated carbon layer, the thermocouple is inserted and is located in the activated carbon layer, the access door sets up in the outer wall of rectangle cavity.
Preferably, the air inlet and the air outlet of the activated carbon adsorption tank are respectively screwed with an adsorption pipeline flange, and the desorption pipeline of the activated carbon adsorption tank is respectively screwed with a desorption pipeline flange.
Preferably, the filter is connected with a cooling tower, and the cooling tower is communicated and installed at the top of the water tank.
Preferably, the air supplementing cooler is communicated with the cooling tower through a pipeline.
Preferably, the cooling tower provides a cold source for the cool-supplementing fan.
Preferably, a tee joint adapter tube is installed at the outlet of the desorption fan, and three ports of the tee joint adapter tube are respectively connected with the chimney, the desorption air pipe and the outlet of the desorption fan.
Preferably, a first flame arrester is installed on the desorption air pipe close to one side of the three-way adapter pipe.
Preferably, the outlet of the air supply cooler is communicated with the desorption air pipe on the right side of the first flame arrester through a pipeline.
Preferably, a second flame arrester is installed at the inlet of the catalytic combustion main machine.
The invention has the beneficial effects that: 1. inflammable waste gas flows through an activated carbon layer in the activated carbon adsorption box, inflammable particles are adsorbed by activated carbon, the concentration of the waste gas is reduced, and the inflammable waste gas is cooled and filtered by a filter and discharged from a chimney after reaching the standard; 2. activated carbon layer reaches the saturation back in the exhaust-gas treatment process, stops waste gas input activated carbon adsorption case, and catalytic combustion host computer work produces high-temperature gas, is followed the internal suction of catalytic combustion host computer with high-temperature gas by the desorption fan again, carries out the desorption to the activated carbon layer in importing the activated carbon adsorption case through the desorption tuber pipe, and the high concentration waste gas that the desorption produced gets into the catalytic combustion host computer through the desorption tuber pipe and burns, and the continuous cycle provides the energy for the desorption.
Description of the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic half-sectional view of an activated carbon adsorption tank according to the present invention;
FIG. 4 is a schematic front view of the activated carbon adsorption tank of the present invention;
in the drawings: 1. a support; 2. an activated carbon adsorption tank; 3. an air inlet; 4. an air outlet; 5. desorbing the pipeline port; 6. a chimney; 7. an adsorption fan; 8. an exhaust manifold; 9. adsorbing an air pipe; 10. a filter; 11. a catalytic combustion host; 12. a desorption fan; 13. supplementing a cold air blower; 14. desorbing the air pipe; 15. a water tank; 16. a cooling tower; 17. a box body; 18. a grid; 19. a spray pipe; 20. an activated carbon layer; 21. a thermocouple; 22. an access door; 23. a three-way adapter tube; 24. a first flame arrestor; 25. a second flame arrestor.
The specific implementation mode is as follows:
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. 1-4, the exhaust gas catalytic combustion device comprises a support 1, an adsorption unit, a catalytic combustion unit and an air exhaust unit, wherein the adsorption unit comprises a plurality of activated carbon adsorption tanks 2 fixed on the support 1, the top surface and the bottom surface of each activated carbon adsorption tank 2 are respectively provided with an air inlet 3 and an air outlet 4, the outer wall of each activated carbon adsorption tank 2 is provided with desorption pipe orifices 5 which are staggered up and down, the air exhaust unit comprises a chimney 6, an adsorption fan 7, an exhaust manifold 8, an adsorption air pipe 9 and a filter 10, the side surface of the adsorption fan 7 is communicated with the lower part of the chimney 6, the top surface is communicated with the upper part of the chimney 6 through the exhaust manifold 8, the adsorption fan 7 can suck out the gas in the adsorption air pipe 9 and discharge the gas out of the chimney 6 through the exhaust manifold 8, one end of the adsorption air pipe 9 is communicated with the chimney 6, filter 10 installs on adsorbing tuber pipe 9, the catalytic combustion unit includes catalytic combustion host computer 11, desorption fan 12, tonifying cold air blower 13, desorption tuber pipe 14, water tank 15 and cooling tower 16, and the import of catalytic combustion host computer 11 communicates the one end of desorption tuber pipe 14, and its exit linkage desorption fan 12's import, the export of desorption fan 12 intercommunication desorption tuber pipe 14's the other end, desorption tuber pipe 14 sets up in the periphery of active carbon adsorption tank 2 and communicates a plurality of desorption pipe orifices 5.
Specifically, activated carbon adsorption case 2 includes box 17, grid 18, spray piping 19, activated carbon layer 20, thermocouple 21 and access door 22, the upper portion and the lower part of box 17 are the fill form, and the middle part is the rectangle cavity, 18 horizontal installation of grid is in the rectangle cavity, 18 top surfaces of grid are arranged in to activated carbon layer 20, spray piping 19 is installed in activated carbon layer 20's top for in time eliminate the situation on fire, thermocouple 21 inserts and locates in activated carbon layer 20 for activated carbon layer 20's temperature when monitoring the desorption makes it keep reaching better desorption effect at 80-90 ℃, access door 22 sets up in the outer wall of rectangle cavity.
Specifically, the air inlet 3 and the air outlet 4 of the activated carbon adsorption tank 2 are both in threaded connection with an adsorption pipeline flange, the desorption pipeline opening 5 of the activated carbon adsorption tank 2 is both in threaded connection with a desorption pipeline flange, and the air inlet 3 of the activated carbon adsorption tank 2 is connected with a combustible waste gas input pipe.
Specifically, the filter 10 is connected to a cooling tower 16, and the cooling tower 16 is installed on the top of the water tank 15 in a communicating manner.
Specifically, the cool-back air blower 13 is in communication with the cooling tower 16 via a duct.
Specifically, the cooling tower 16 provides a cold source for the cooling-air supplement fan 13, and is used for controlling the temperature of the high-temperature gas entering the activated carbon adsorption box 2.
Specifically, a tee adapter 23 is installed at the outlet of the desorption fan 12, and three ports of the tee adapter 23 are respectively connected with the chimney 6, the desorption air pipe 14 and the outlet of the desorption fan 12.
Specifically, a first flame arrester 24 is installed on the desorption air pipe 14 close to one side of the three-way adapter pipe 23.
Specifically, the outlet of the cool-supplementing fan 13 is communicated with the desorption air pipe 14 on the right side of the first flame arrester 24 through a pipeline.
Specifically, a second flame arrester 25 is installed at an inlet of the catalytic combustion main unit 11.
The working principle is as follows: the adsorption fan 7 is started, flammable waste gas flows to the gas outlet 4 from the gas inlet 3 on the top surface of the activated carbon adsorption box 2, and is discharged through the adsorption wind pipe 9, the filter 10, the adsorption fan 7 and the chimney 6; when the activated carbon layer 20 is saturated by adsorption, the adsorption fan 7 is closed, the desorption fan 12 is started, the catalytic combustion host 11 is started, a small amount of fuel is added into the catalytic combustion host 11 in advance to generate high-temperature air, the high-temperature air is sucked out by the desorption fan 12 and is input into the desorption air pipe 14 through the three-way adapter 23, the supplement air cooler 13 can input low-temperature air into the desorption air pipe 14 to adjust the temperature of the air entering the activated carbon adsorption box 2, the air with the temperature of 80-90 ℃ enters the activated carbon adsorption box 2 and is desorbed through the activated carbon layer 20, as the activated carbon layer 20 adsorbs more combustible particles, high-concentration combustible gas is generated along with desorption, the high-temperature air is input into the catalytic combustion host 11 to serve as fuel for combustion, and the generated high-temperature air is used for desorption of the activated carbon; when the desorption is finished, the valve between the three-way adapter tube 23 and the chimney 6 can be opened to discharge the gas.
The foregoing is only for the purpose of understanding the method and the core concept of the present invention, and it should be noted that modifications and variations can be made by those skilled in the art without departing from the principle of the present invention, and these modifications and variations also fall into the protection scope of the appended claims.
Claims (10)
1. An exhaust gas catalytic combustion apparatus, characterized in that: the catalytic combustion unit comprises a catalytic combustion host, a desorption fan, a supplementary air cooler, a desorption air pipe, a water tank and a cooling tower, wherein the inlet of the catalytic combustion host is communicated with one end of the desorption air pipe, the outlet of the desorption fan is connected with the inlet of the desorption fan, the outlet of the desorption fan is communicated with the other end of the desorption air pipe, and the desorption air pipe is arranged on the periphery of the activated carbon adsorption box and is communicated with a plurality of desorption pipe openings.
2. The exhaust gas catalytic combustion apparatus according to claim 1, characterized in that: the activated carbon adsorption case includes box, grid, spray pipe, activated carbon layer, thermocouple and access door, the upper portion and the lower part of box are the fill form, and the middle part is the rectangle cavity, grid horizontal installation is in the rectangle cavity, the grid top surface is arranged in on the activated carbon layer, spray pipe installs in the top on activated carbon layer, the thermocouple is inserted and is located in the activated carbon layer, the access door sets up in the outer wall of rectangle cavity.
3. The exhaust gas catalytic combustion apparatus according to claim 1, characterized in that: the adsorption device is characterized in that adsorption pipeline flanges are respectively screwed at the air inlet and the air outlet of the activated carbon adsorption box, and desorption pipeline flanges are respectively screwed at the desorption pipeline openings of the activated carbon adsorption box.
4. The exhaust gas catalytic combustion apparatus according to claim 1, characterized in that: the filter is connected with the cooling tower, and the cooling tower is communicated and installed at the top of the water tank.
5. The exhaust gas catalytic combustion apparatus according to claim 1, characterized in that: and the air supplementing and cooling fan is communicated with the cooling tower through a pipeline.
6. The exhaust gas catalytic combustion apparatus according to claim 1, characterized in that: the cooling tower provides a cold source for the air supplement cooler.
7. The exhaust gas catalytic combustion apparatus according to claim 1, characterized in that: the three-way adapter tube is installed at the outlet of the desorption fan, and three ports of the three-way adapter tube are respectively connected with the outlet of the chimney, the desorption air pipe and the desorption fan.
8. The exhaust gas catalytic combustion apparatus according to claim 7, characterized in that: a first flame arrester is arranged on the desorption air pipe close to one side of the three-way adapter pipe.
9. The exhaust gas catalytic combustion apparatus according to claim 8, characterized in that: and the outlet of the air supplementing fan is communicated with the desorption air pipe on the right side of the first flame arrester through a pipeline.
10. The exhaust gas catalytic combustion apparatus according to claim 1, characterized in that: and a second flame arrester is arranged at the inlet of the catalytic combustion main machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010669388.XA CN111964082A (en) | 2020-07-13 | 2020-07-13 | Waste gas catalytic combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010669388.XA CN111964082A (en) | 2020-07-13 | 2020-07-13 | Waste gas catalytic combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111964082A true CN111964082A (en) | 2020-11-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010669388.XA Pending CN111964082A (en) | 2020-07-13 | 2020-07-13 | Waste gas catalytic combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111964082A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4018568A (en) * | 1976-02-09 | 1977-04-19 | Uop Inc. | Fume absorbing-treating system |
| CN109954369A (en) * | 2017-12-14 | 2019-07-02 | 杭州碧空环境科技有限公司 | A kind of spray painting organic exhaust gas adsorption concentration elevated temperature desorption catalytic combustion system and technique |
| CN110575733A (en) * | 2019-10-23 | 2019-12-17 | 航天凯天环保科技股份有限公司 | Skid-mounted type waste gas treatment device combining activated carbon adsorption and catalytic combustion |
| CN210786762U (en) * | 2019-08-29 | 2020-06-19 | 江苏佳琪环保科技有限公司 | Hot air concentration desorption catalytic combustion waste gas treatment device |
-
2020
- 2020-07-13 CN CN202010669388.XA patent/CN111964082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4018568A (en) * | 1976-02-09 | 1977-04-19 | Uop Inc. | Fume absorbing-treating system |
| CN109954369A (en) * | 2017-12-14 | 2019-07-02 | 杭州碧空环境科技有限公司 | A kind of spray painting organic exhaust gas adsorption concentration elevated temperature desorption catalytic combustion system and technique |
| CN210786762U (en) * | 2019-08-29 | 2020-06-19 | 江苏佳琪环保科技有限公司 | Hot air concentration desorption catalytic combustion waste gas treatment device |
| CN110575733A (en) * | 2019-10-23 | 2019-12-17 | 航天凯天环保科技股份有限公司 | Skid-mounted type waste gas treatment device combining activated carbon adsorption and catalytic combustion |
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Application publication date: 20201120 |