CN220205774U - Catalytic combustion equipment - Google Patents
Catalytic combustion equipment Download PDFInfo
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- CN220205774U CN220205774U CN202321413875.5U CN202321413875U CN220205774U CN 220205774 U CN220205774 U CN 220205774U CN 202321413875 U CN202321413875 U CN 202321413875U CN 220205774 U CN220205774 U CN 220205774U
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- desorption
- air inlet
- adsorption
- catalytic combustion
- fan
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- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 127
- 238000003795 desorption Methods 0.000 claims abstract description 59
- 238000001179 sorption measurement Methods 0.000 claims abstract description 53
- 238000005485 electric heating Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 abstract description 22
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 11
- 239000012855 volatile organic compound Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Incineration Of Waste (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model relates to the technical field of waste gas treatment equipment and discloses catalytic combustion equipment which comprises a filtering device, an activated carbon adsorption device, a catalytic combustion device, an adsorption fan and a desorption fan, wherein the activated carbon adsorption device comprises an activated carbon box, the activated carbon box is provided with an adsorption air inlet, an adsorption air outlet, a desorption air inlet and a desorption air outlet, the output end of the filtering device is connected with the adsorption air inlet, the adsorption air outlet is connected with the input end of the adsorption fan, the catalytic combustion device is provided with a first air inlet, an electric heating preheating chamber, a catalytic combustion chamber and an air outlet which are sequentially communicated, the desorption air outlet is connected with the input end of the desorption fan, the output end of the desorption fan is connected with the first air inlet, the air outlet is connected with the desorption air inlet, and a connecting pipeline between the air outlet and the desorption air inlet is provided with a fourth control valve. The utility model can carry out desorption treatment on the activated carbon and can carry out combustion treatment on the waste gas obtained after desorption.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment equipment, in particular to catalytic combustion equipment.
Background
In chemical production, organic solvents are used in large quantities, mostly belonging to VOCs. In processes such as raw materials store, compounding reaction, product packaging, solvent dissipation and waste gas evacuation can cause VOCs's a large amount to discharge, in prior art, generally adopt activated carbon to adsorb the processing to waste gas, but, the adsorption capacity of activated carbon is limited, activated carbon is after adsorbing to a certain degree, the pollutant in the waste gas can not be adsorbed again to activated carbon, the activated carbon needs to be changed at this moment, influence production efficiency, in addition, in order to practice thrift the cost, make activated carbon reuse, the harmful substance in the activated carbon is got rid of (oxidation) to mode that adopts insolatedly now mostly, however, the desorption effect through insolatedly mode activated carbon is not good, and the pollutant after the desorption is not handled well yet has certain pollution to the environment.
Disclosure of Invention
The utility model aims to solve the technical problem of providing catalytic combustion equipment which can carry out desorption treatment on active carbon and burn waste gas obtained after desorption.
In order to achieve the above object, the present utility model provides a catalytic combustion device, which comprises a filter device, an activated carbon adsorption device, a catalytic combustion device, an adsorption fan and a desorption fan, wherein the activated carbon adsorption device comprises an activated carbon box, the activated carbon box is provided with an adsorption air inlet, an adsorption air outlet, a desorption air inlet and a desorption air outlet, the output end of the filter device is connected with the adsorption air inlet, a connecting pipeline between the output end of the filter device and the adsorption air inlet is provided with a first control valve, the adsorption air outlet is connected with the input end of the adsorption fan, a connecting pipeline between the adsorption air outlet and the input end of the adsorption fan is provided with a second control valve, the catalytic combustion device is provided with a first air inlet, an electric heating chamber, a catalytic combustion chamber and an air outlet which are sequentially communicated, the desorption air outlet is connected with the input end of the desorption fan, a connecting pipeline between the air outlet and the input end of the desorption fan is provided with a third control valve, the output end of the desorption fan is connected with the first air inlet, the air outlet is connected with the desorption air inlet, and a connecting pipeline between the air outlet and the air outlet is provided with a fourth control valve.
As a preferable scheme of the utility model, a first temperature sensor and a plurality of groups of electric heating components are arranged in the electric heating preheating chamber, and the first temperature sensor is electrically connected with the electric heating components.
As a preferable scheme of the utility model, the device further comprises a cooling fan, the catalytic combustion device is further provided with a second air inlet communicated with the electric heating preheating chamber, the input end of the cooling fan is connected with the outside, the output end of the cooling fan is connected with the second air inlet, a fifth control valve is arranged on a connecting pipeline between the output end of the cooling fan and the second air inlet, a second temperature sensor is arranged on a connecting pipeline between the air outlet and the desorption air inlet, and the second temperature sensor is electrically connected with the fifth control valve and the cooling fan.
As a preferable scheme of the utility model, a connecting pipeline between the output end of the desorption fan and the first air inlet and a connecting pipeline between the air outlet and the desorption air inlet are respectively provided with flame arresters.
As a preferable scheme of the utility model, a spraying device and a third temperature sensor are arranged in the activated carbon box, and the third temperature sensor is electrically connected with the spraying device.
As a preferable mode of the present utility model, the activated carbon tank is provided in plurality.
As a preferable scheme of the utility model, the catalytic combustion chamber is provided with a pressure relief device.
Compared with the prior art, the catalytic combustion equipment provided by the embodiment of the utility model has the beneficial effects that: the implementation filters the air in the workshop through a filtering device, and then the VOCs waste gas in the air is adsorbed and treated through an active carbon box; when the activated carbon box needs to be desorbed, the electric heating preheating chamber heats the air in the electric heating preheating chamber and then conveys the heated air to the activated carbon box, so that the VOCs waste gas adsorbed by the activated carbon is volatilized and desorbed, then the waste gas is heated by the electric heating preheating chamber and then conveyed to the catalytic combustion chamber for catalytic combustion, the desorption treatment of the activated carbon is realized, the burnt hot air is conveyed to the activated carbon box for heating the activated carbon, the desorption of the activated carbon is facilitated, the utilization of the waste heat after the catalytic combustion of the waste gas is realized, and the consumption of energy is reduced.
Drawings
FIG. 1 is a schematic diagram of the front view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic diagram of the connection structure of the electrically heated preheating chamber and the catalytic combustion chamber of the present utility model;
FIG. 4 is a schematic diagram of a desorption flow of the present utility model;
in the figure, 1, a filtering device; 2. an activated carbon adsorption device; 21. an activated carbon box; 211. an adsorption gas inlet; 212. an adsorption gas outlet; 213. a desorption air inlet; 214. a desorption air outlet; 215. a first control valve; 216. a second control valve; 217. a third control valve; 218. a fourth control valve; 219. a third temperature sensor; 3. a catalytic combustion device; 31. a first air inlet; 32. an electrically heated preheating chamber; 321. an electric heating assembly; 33. a catalytic combustion chamber; 34. an air outlet; 35. a second air inlet; 36. a flame arrester; 4. an adsorption fan; 5. a desorption fan; 6. a cooling fan; 61. a fifth control valve; 62. and a second temperature sensor.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the present utility model as indicated by the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first," "second," "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-4, a catalytic combustion device of a preferred embodiment of the present utility model comprises a filter device 1, an activated carbon adsorption device 2, a catalytic combustion device 3, an adsorption fan 4 and a desorption fan 5, wherein the activated carbon adsorption device 2 comprises an activated carbon tank 21, the activated carbon tank 21 is provided with an adsorption air inlet 211, an adsorption air outlet 212, a desorption air inlet 213 and a desorption air outlet 214, the output end of the filter device 1 is connected with the adsorption air inlet 211, a connecting pipeline between the output end of the filter device 1 and the adsorption air inlet 211 is provided with a first control valve 215, the adsorption air outlet 212 is connected with the input end of the adsorption fan 4, a connecting pipeline between the adsorption air outlet 212 and the input end of the adsorption fan 4 is provided with a second control valve 216, the catalytic combustion device 3 is provided with a first air inlet 31, an electric heating preheating chamber 32, a catalytic combustion chamber 33 and an air outlet 34 which are sequentially communicated, the desorption air outlet 214 is connected with the input end of the desorption fan 5, and the connecting pipeline between the air outlet 214 and the input end of the desorption fan 5 is provided with a third control valve 217, the output end of the desorption fan 5 is connected with the first air outlet 31, the air outlet 31 is connected with the air outlet 213 and the fourth control valve 34 is connected with the air outlet 213.
The working principle of the embodiment is as follows: when the activated carbon tank 21 is in an adsorption state, the first control valve 215 and the second control valve 216 are in an open state, the third control valve 217 and the fourth control valve 218 are in a closed state, the adsorption fan 4 is in a start state, and the desorption fan 5 is in a stop state; the gas (containing VOCs waste gas) in the workshop is conveyed to the input end of the filtering device 1, a filter screen capable of filtering dust particles in the gas, such as a glass fiber paint blocking screen, is arranged in the filtering device 1, is formed by compounding multiple layers of glass fibers, has the characteristics of high efficiency, large capacity, low operation cost, flame retardance and the like, and then the filtered gas is conveyed to the activated carbon box 21 through the output end of the filtering device 1, the VOCs waste gas in the gas is adsorbed by activated carbon in the activated carbon box 21, then the gas after being adsorbed by the activated carbon is conveyed to the input end of the adsorption fan 4, and finally the gas is discharged to the outside from the output end of the adsorption fan 4, so that the adsorption treatment of the VOCs waste gas is realized; when the desorption operation is performed on the activated carbon tank 21, the first control valve 215 and the second control valve 216 are in a closed state, the third control valve 217 and the fourth control valve 218 are in an open state, the adsorption fan 4 is in a stopped state, and the desorption fan 5 is in a started state; the electric heating component 321 of the electric heating preheating chamber 32 heats the air in the electric heating preheating chamber 32, the heated air is conveyed to the activated carbon box 21 after passing through the catalytic combustion chamber 33, the activated carbon in the activated carbon box 21 is heated, VOCs waste gas adsorbed by the activated carbon volatilizes, then the waste gas is conveyed to the electric heating preheating chamber 32 for heating and then is conveyed to the catalytic combustion chamber 33 for catalytic combustion, the waste gas is decomposed into hot air such as C02 and H20 steam, and then the hot air after catalytic combustion is conveyed to the activated carbon box 21, so that the desorption of the activated carbon is facilitated, the activated carbon can be reused after the circulation is repeated, and the activated carbon box 21 is switched to an adsorption state for exhausting at the moment.
In the implementation, the air in a workshop is filtered by the filter device 1, and then VOCs waste gas in the air is adsorbed by the activated carbon box 21; when the activated carbon box 21 needs to be desorbed, the electric heating preheating chamber 32 heats the air in the electric heating preheating chamber and then conveys the heated air to the activated carbon box 21, so that the VOCs waste gas adsorbed by the activated carbon is volatilized and desorbed, then the waste gas is heated by the electric heating preheating chamber 32 and then conveyed to the catalytic combustion chamber 33 for catalytic combustion, the activated carbon is desorbed, the burnt hot air is conveyed to the activated carbon box 21 for heating the activated carbon, the desorption of the activated carbon is facilitated, the utilization of the waste heat after the catalytic combustion of the waste gas is realized, and the consumption of energy is reduced.
The electric heating preheating chamber 32 is provided with a first temperature sensor and a plurality of groups of electric heating assemblies 321, and the first temperature sensor is electrically connected with the electric heating assemblies 321, and the waste heat generated after catalytic combustion of the waste gas is recycled, so that when the temperature detected by the first temperature sensor reaches a set value, the use of the electric heating assemblies 321 can be reduced in a feedback manner, and the energy consumption is effectively reduced.
The catalytic combustion device 3 is further provided with a second air inlet 35 communicated with the electric heating preheating chamber 32, the input end of the cooling fan 6 is connected with the outside, the output end of the cooling fan 6 is connected with the second air inlet 35, a fifth control valve 61 is arranged in a connecting pipeline between the output end of the cooling fan 6 and the second air inlet 35, a second temperature sensor 62 is arranged in a connecting pipeline between the air outlet 34 and the desorption air inlet 213, the second temperature sensor 62 is electrically connected with the fifth control valve 61 and the cooling fan 6, when the second temperature sensor 62 detects that the temperature of hot air after catalytic combustion exceeds a set value, the fifth control valve 61 and the cooling fan 6 are opened to prevent the gas temperature during desorption circulation from being too high, and the cooling fan 6 conveys the outside air into the electric heating preheating chamber 32 through the second air inlet 35 to realize cooling and cooling.
Illustratively, the connecting pipes between the output end of the desorption fan 5 and the first air inlet 31 and the connecting pipes between the air outlet 34 and the desorption air inlet 213 are respectively provided with a flame arrester 36, and if flame gas occurs, the flame arrester 36 functions, so that the flame gas does not flow into workshops and other devices, and safe operation is ensured.
Illustratively, a spraying device (not shown) and a third temperature sensor 219 are disposed in the activated carbon tank 21, the third temperature sensor 219 is electrically connected to the spraying device, and when the temperature detected by the third temperature sensor 219 exceeds a set value, the third temperature sensor 219 feedback controls the spraying device to open, so as to spray and cool the activated carbon tank 21.
Illustratively, a plurality of activated carbon tanks 21 are provided, each activated carbon tank 21 being capable of performing a desorption operation individually.
Illustratively, the catalytic combustor 33 is provided with a pressure relief device (not shown) that vents air when the air pressure in the catalytic combustor 33 is too high, thereby ensuring safety.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (7)
1. A catalytic combustion apparatus characterized by: including filter equipment, active carbon adsorption device, catalytic combustion device, adsorption fan and desorption fan, active carbon adsorption device includes the active carbon case, the active carbon case is equipped with adsorption air inlet, adsorption gas outlet, desorption air inlet and desorption gas outlet, filter equipment's output with adsorption air inlet is connected, just filter equipment's output with connecting tube between the adsorption air inlet is equipped with first control valve, adsorption gas outlet with adsorption fan's input is connected, just adsorption gas outlet with connecting tube between adsorption fan's the input is equipped with the second control valve, catalytic combustion device is equipped with first air inlet, electrical heating preheating chamber, catalytic combustion chamber and the gas outlet that communicate in proper order, desorption gas outlet with desorption fan's input is connected, just the gas outlet with connecting tube between desorption fan's the input is equipped with the third control valve, desorption fan's output with first air inlet is connected, just the gas outlet with connecting tube between the desorption air inlet is equipped with the fourth control valve.
2. The catalytic combustion apparatus of claim 1, wherein: the electric heating preheating chamber is internally provided with a first temperature sensor and a plurality of groups of electric heating assemblies, and the first temperature sensor is electrically connected with the electric heating assemblies.
3. The catalytic combustion apparatus of claim 1, wherein: the catalytic combustion device is characterized by further comprising a cooling fan, a second air inlet communicated with the electric heating preheating chamber is further formed in the catalytic combustion device, the input end of the cooling fan is connected with the outside, the output end of the cooling fan is connected with the second air inlet, a fifth control valve is arranged on a connecting pipeline between the output end of the cooling fan and the second air inlet, a second temperature sensor is arranged on a connecting pipeline between the air outlet and the desorption air inlet, and the second temperature sensor is electrically connected with the fifth control valve and the cooling fan.
4. The catalytic combustion apparatus of claim 1, wherein: and a flame arrester is respectively arranged at the output end of the desorption fan and the connecting pipeline between the first air inlet and the connecting pipeline between the air outlet and the desorption air inlet.
5. The catalytic combustion apparatus of claim 1, wherein: the active carbon box is internally provided with a spraying device and a third temperature sensor, and the third temperature sensor is electrically connected with the spraying device.
6. The catalytic combustion apparatus of claim 1, wherein: the activated carbon box is provided with a plurality of activated carbon boxes.
7. The catalytic combustion apparatus of claim 1, wherein: the catalytic combustion chamber is provided with a pressure relief device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321413875.5U CN220205774U (en) | 2023-06-05 | 2023-06-05 | Catalytic combustion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321413875.5U CN220205774U (en) | 2023-06-05 | 2023-06-05 | Catalytic combustion equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220205774U true CN220205774U (en) | 2023-12-19 |
Family
ID=89142058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321413875.5U Active CN220205774U (en) | 2023-06-05 | 2023-06-05 | Catalytic combustion equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220205774U (en) |
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2023
- 2023-06-05 CN CN202321413875.5U patent/CN220205774U/en active Active
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