CN214745802U - Catalytic combustion combined machine for waste gas treatment - Google Patents
Catalytic combustion combined machine for waste gas treatment Download PDFInfo
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- CN214745802U CN214745802U CN202120278685.1U CN202120278685U CN214745802U CN 214745802 U CN214745802 U CN 214745802U CN 202120278685 U CN202120278685 U CN 202120278685U CN 214745802 U CN214745802 U CN 214745802U
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- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 43
- 239000002912 waste gas Substances 0.000 title claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 49
- 238000003795 desorption Methods 0.000 claims abstract description 40
- 238000002485 combustion reaction Methods 0.000 claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 51
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 10
- 239000010815 organic waste Substances 0.000 description 19
- 239000003054 catalyst Substances 0.000 description 17
- 229910000510 noble metal Inorganic materials 0.000 description 11
- 230000008030 elimination Effects 0.000 description 10
- 238000003379 elimination reaction Methods 0.000 description 10
- 238000000746 purification Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010422 painting Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000002269 spontaneous effect Effects 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- -1 rare earth compounds Chemical class 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a catalytic combustion combination machine for waste gas treatment, which comprises an adsorption bed, a plurality of groups of waste gas valves are arranged at the middle position of the top end of the adsorption bed, an adsorption air pipe is arranged at the top end of the waste gas valves, a plurality of groups of desorption switches are arranged at one side of the top end of the adsorption bed, a desorption air pipe is arranged at the top end of the desorption switch, an air inlet pipeline is arranged at the bottom end of the adsorption bed, a dry filter, a combustion chamber, a desorption fan, a fresh fan and an exhaust fan are sequentially arranged at one side of the air inlet pipeline from left to right, the exhaust fan is connected with one end of the adsorption air pipe, the dry filter is connected with the air inlet pipeline, a wind mixing box is arranged at the top end of the fresh fan, the combustion chamber, the desorption fan, the wind mixing box and the exhaust fan are connected through pipelines, a nitrogen making unit is arranged at one side of the dry filter, a control panel is arranged on the side wall of the dry filter, and the top end of the wind mixing box is connected with one end of the desorption air pipe, the combustion chamber is connected with an air inlet pipeline through a pipeline. Has the advantages that: the equipment occupies small area and has light weight.
Description
Technical Field
The utility model relates to a catalytic combustion technical field particularly, relates to a catalytic combustion combination machine for exhaust-gas treatment.
Background
The combustible is combusted under the action of the catalyst. Compared with direct combustion, the catalytic combustion temperature is lower, and the combustion is more complete. The catalyst used for catalytic combustion is a multi-component material of noble metals and metal oxides with a large specific surface area. For example, a household catalytic gas stove loaded with Pd or rare earth compounds can reduce the content of CO in tail gas and improve the thermal efficiency. The alumina catalyst loaded with 0.2% pt can burn most organic compounds at 500 deg.C, deodorize and purify until the chemical shift sigma is below 1. The catalytic combustion is flameless combustion, so the method is suitable for occasions with high safety requirements, such as H2And O2Fuel cells using gasoline or alcohol as a raw material, pocket furnaces using Pt-impregnated asbestos as a catalyst, and the like. Such as elimination of chemical plant NOxCan be added into the smoke and the NO is catalyzed and combusted by a supported platinum and palladium catalystxConversion to N2And (4) qi. The combustion method is that combustible matters in the harmful gas are decomposed and oxidized at a lower temperature by adopting a proper catalyst.
The existing equipment occupies too large area and is inconvenient to fill, and simultaneously, the existing equipment can carry out catalytic combustion, but has insufficient stability and safety and can generate secondary pollution
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the problem among the correlation technique, the utility model provides a catalytic combustion combination machine for exhaust-gas treatment to overcome the above-mentioned technical problem that current correlation technique exists.
Therefore, the utility model discloses a specific technical scheme as follows:
a catalytic combustion combined machine for treating waste gas comprises an adsorption bed, a plurality of groups of waste gas valves are arranged in the middle of the top end of the adsorption bed, adsorption air pipes are arranged at the top ends of the waste gas valves, a plurality of groups of desorption switches are arranged on one side of the top end of the adsorption bed, desorption air pipes are arranged on the top ends of the desorption switches, an air inlet pipeline is arranged at the bottom end of the adsorption bed, a dry filter, a combustion chamber, a desorption fan, a fresh fan and an exhaust fan are sequentially arranged on one side of the air inlet pipeline from left to right, the exhaust fan is connected with one end of the adsorption air pipes, the dry filter is connected with the air inlet pipeline, a air mixing box is arranged on the top end of the fresh fan, the combustion chamber, the desorption fan, the air mixing box and the exhaust fan are connected through pipelines, a nitrogen making unit is arranged on one side of the dry filter and is communicated with the adsorption bed through pipelines, a control panel is arranged on the side wall of the dry filter, the top end of the air mixing box is connected with one end of a desorption air pipe, and the combustion chamber is connected with an air inlet pipeline through a pipeline.
Furthermore, in order to enable the catalytic combustion chamber to adopt a precious metal catalyst with a honeycomb ceramic plate as a carrier, the resistance is small, the activity is high, and the honeycomb ceramic plate is arranged in the combustion chamber.
Furthermore, in order to enable the filtered tail gas to be discharged from a chimney, the top end of the exhaust fan is provided with the chimney, one side of the air mixing box is connected with the chimney through a preheating pipe, and an air preheater matched with the preheating pipe is arranged in the chimney.
Further, in order to make concentration sensor can detect the gas concentration in the adsorption air duct, thereby monitoring it, adsorption air duct outside one end is provided with concentration sensor, and control panel is connected with electricity between concentration sensor, waste gas valve and the desorption switch in proper order.
Further, in order to make when exhaust gas pipeline reaches early warning high temperature, exhaust valve and desorption switch can self-closing and send safety alarm, exhaust valve and desorption switch surface are provided with temperature probe, and temperature probe and control panel electricity are connected.
Furthermore, in order to enable an operator to better control the equipment, the surface of the control panel is provided with a plurality of control buttons.
Further, in order to prevent the flame arrester from preventing external flame from channeling into equipment and pipelines with flammable and explosive gases or preventing flame from spreading between the equipment and the pipelines, the flame arrester is arranged between the combustion chamber and the desorption fan.
Further, in order to accelerate the transmission of heat in the waste gas to the U-shaped pipeline, and then improve the heat conduction efficiency of waste gas to the new trend, air heater is including setting up the U-shaped pipeline in the chimney, the preheater tube includes intake pipe and outlet duct, and the both ends of U-shaped pipeline are connected with intake pipe and outlet duct respectively, and the outlet duct is connected with the mixed wind case, the inside adjacent vertical position punishment of U-shaped pipeline has set gradually a plurality of fin air preheater tubes and turbolator air preheater tubes respectively.
The utility model has the advantages that:
1. under the effect of the equipment, the design principle is advanced, the materials are unique, the performance is stable, the structure is simple and convenient, the safety and the reliability are realized, the energy and the labor are saved, the secondary pollution is avoided, the occupied area of the equipment is small, the weight is light, the adsorption bed adopts a drawer type structure, the loading is convenient, the replacement is convenient, and the equipment is mainly characterized in that the design principle is advanced, the materials are unique, the performance is stable, the structure is simple and convenient, the safety and the reliability are realized, the energy and the labor are saved, and the secondary pollution is avoided.
2. The equipment has small floor area, light weight, convenient filling, convenient replacement and low power consumption because the adsorption bed adopts a drawer type structure, and the catalytic combustion chamber adopts a noble metal catalyst taking a honeycomb ceramic shape as a carrier, so that the resistance is low, the activity is high, and when the concentration of organic waste gas reaches more than 1000mg/h, the spontaneous combustion can be maintained.
3. The device is widely applied to the purification and odor elimination of harmful organic waste gas volatilized or leaked in painting, printing, electromechanical, household electrical appliances, shoemaking, plastics and various chemical workshops, the purification and odor elimination of the harmful organic waste gas with lower concentration which is not suitable for direct combustion or catalytic combustion and adsorption recovery treatment, especially the purification and odor elimination of the harmful organic waste gas volatilized or leaked in large-air-volume low-concentration treatment occasions can be obtained, the organic waste gas with lower concentration which is not suitable for direct combustion or catalytic combustion and adsorption recovery treatment can be most suitable, and the satisfactory economic benefit and social benefit can be obtained especially for the large-air-volume low-concentration treatment occasions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a catalytic combustion combined machine for exhaust gas treatment according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a combustion chamber in a catalytic combustion combined machine for exhaust gas treatment according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
fig. 4 is a schematic structural diagram of a preheating pipe in a catalytic combustion combined machine for exhaust gas treatment according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a finned air preheating pipe in a catalytic combustion combined machine for exhaust gas treatment according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a turbolator air preheating pipe in a catalytic combustion combined machine for exhaust gas treatment according to an embodiment of the present invention.
In the figure:
1. a dry filter; 2. a combustion chamber; 201. a honeycomb ceramic plate; 3. a desorption fan; 4. a wind mixing box; 5. a fresh air blower; 6. an exhaust fan; 7. a chimney; 8. an exhaust valve; 9. a desorption switch; 10. An adsorption bed; 11. a flame arrestor; 12. desorbing the air pipe; 13. adsorbing an air pipe; 14. a nitrogen making unit; 15. An air intake duct; 16. a pipeline; 17. a concentration sensor; 18. a control panel; 1801. a control button; 19. a temperature measuring probe; 20. a preheating pipe; 2001. an air inlet pipe; 2002. an air outlet pipe; 21. an air preheater; 22. a U-shaped pipeline; 2201. a finned air preheater tube; 2202. a turbulator air preheating tube.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to an embodiment of the utility model, a catalytic combustion combination machine for exhaust-gas treatment is provided.
Now, it is right to combine the drawings and the detailed description of the invention, as shown in fig. 1-6, according to the present invention, a catalytic combustion combination machine for waste gas treatment comprises an adsorption bed 10, a plurality of sets of waste gas valves 8 are disposed at the middle position of the top end of the adsorption bed 10, an adsorption air pipe 13 is disposed at the top end of the waste gas valve 8, a plurality of sets of desorption switches 9 are disposed at one side of the top end of the adsorption bed 10, a desorption air pipe 12 is disposed at the top end of the desorption switch 9, an air inlet pipe 15 is disposed at the bottom end of the adsorption bed 10, a dry filter 1, a combustion chamber 2, a desorption fan 3, a fresh air fan 5 and an exhaust air fan 6 are sequentially disposed at one side of the air inlet pipe 15 from left to right, the exhaust air fan 6 is connected with one end of the adsorption air pipe 13, the dry filter 1 is connected with the air inlet pipe 15, a mixed air box 4 is disposed at the top end of the fresh air fan 5, and the combustion chamber 2, The desorption fan 3, the air mixing box 4 and the exhaust fan 6 are connected through a pipeline 16, one side of the dry type filter 1 is provided with a nitrogen making unit 14, the nitrogen making unit 14 is communicated with the adsorption bed 10 through a pipeline, the side wall of the dry type filter 1 is provided with a control panel 18, the top end of the air mixing box 4 is connected with one end of a desorption air pipe 12, and the combustion chamber 2 is connected with an air inlet pipeline 15 through a pipeline.
By means of the technical scheme, the equipment is advanced in design principle, unique in material consumption, stable in performance, simple and convenient in structure, safe, reliable, energy-saving, labor-saving, free of secondary pollution, small in occupied area of the equipment, light in weight, convenient to fill and convenient to replace due to the fact that the adsorption bed is of a drawer type structure. The equipment has small floor area, light weight, convenient filling, convenient replacement and low power consumption, the catalytic combustion chamber adopts a honeycomb ceramic-shaped noble metal catalyst as a carrier, the resistance is small, the activity is high, when the concentration of the organic waste gas reaches more than 1000mg/h, the spontaneous combustion can be maintained, meanwhile, the equipment is widely applied to the purification and odor elimination of harmful organic waste gas volatilized or leaked in painting, printing, electromechanical, household appliances, shoes, plastics and various chemical workshops, and the purification and odor elimination of the harmful organic waste gas which is lower in concentration and is not suitable for direct combustion or catalytic combustion and adsorption recovery treatment, especially in the treatment occasions with large air volume and low concentration, the satisfactory painting, printing, electromechanical, household appliances, shoes, plastics and various workshops can be obtained, and the purification and odor elimination of the harmful organic waste gas volatilized or leaked in the chemical workshops are most suitable for the low-concentration, the low-concentration noble metal catalyst is suitable for the catalytic combustion, the noble metal catalyst and the noble metal catalyst which are used as a carrier, The organic waste gas which is not suitable for direct combustion or catalytic combustion and absorption recovery treatment can obtain satisfactory economic benefits and social benefits especially for large-air-volume low-concentration treatment occasions.
In one embodiment, for the combustion chamber 2, the honeycomb ceramic plate 201 is disposed in the combustion chamber 2, so that the catalytic combustion chamber uses the noble metal catalyst using the honeycomb ceramic plate 201 as the carrier, and has low resistance and high activity.
In one embodiment, for the exhaust fan 6, a chimney 7 is disposed at the top end of the exhaust fan 6, one side of the air mixing box 4 is connected to the chimney 7 through a preheating pipe 20, and an air preheater 21 matched with the preheating pipe 20 is disposed in the chimney 7, so that the filtered exhaust gas can be discharged from the chimney 7.
In an embodiment, for the adsorption air duct 13, a concentration sensor 17 is disposed at one end outside the adsorption air duct 13, and the control panel 18 is electrically connected to the concentration sensor 17, the waste gas valve 8 and the desorption switch 9 in sequence, so that the concentration sensor 17 can detect the gas concentration in the adsorption air duct 13, thereby monitoring the gas concentration.
In one embodiment, for the exhaust valve 8 and the desorption switch 9, the temperature probes 19 are disposed on the surfaces of the exhaust valve 8 and the desorption switch 9, and the temperature probes 19 are electrically connected to the control panel 18, so that when the exhaust pipeline reaches a high temperature warning, the exhaust valve 8 and the desorption switch 9 are automatically closed and a safety alarm is given.
In one embodiment, for the control panel 18 described above, the surface of the control panel 18 is provided with a plurality of control buttons 1801, so that the operator can better control the device.
In one embodiment, for the combustion chamber 2 and the desorption fan 3, a flame arrester 11 is arranged between the combustion chamber 2 and the desorption fan 3, so that the flame arrester 11 prevents external flames from entering equipment and pipelines with flammable and explosive gases or prevents the flames from spreading between the equipment and the pipelines, thereby ensuring the safety of the equipment.
In an embodiment, for the air preheater 21, the air preheater 21 includes a U-shaped pipeline 22 disposed in the chimney 7, the preheating pipe 20 includes an air inlet pipe 2001 and an air outlet pipe 2002, two ends of the U-shaped pipeline 22 are respectively connected to the air inlet pipe 2001 and the air outlet pipe 2002, the air outlet pipe 2002 is connected to the air mixing box 4, and a plurality of fin air preheating pipes 2201 and a plurality of turbolator air preheating pipes 2202 are sequentially disposed at adjacent vertical positions inside the U-shaped pipeline 22, so as to accelerate the transfer of heat in the exhaust gas to the U-shaped pipeline 22, and further improve the heat conduction efficiency of the exhaust gas to the fresh air.
For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the double-gas-path continuous operation is adopted according to two basic principle designs of adsorption (high efficiency) and catalytic combustion (energy saving), organic waste gas is firstly adsorbed by active carbon through the use of a catalytic combustion chamber and an adsorption bed, the adsorption is stopped when the organic waste gas is saturated, and then organic matters are desorbed from the active carbon by hot air flow to regenerate the active carbon; the desorbed organic matter is concentrated (the concentration is improved by dozens of times compared with the original concentration) and is sent to a catalytic combustion chamber for catalytic combustion to form carbon oxide and water vapor to be discharged, when the concentration of the organic waste gas reaches more than 2000mg/m, the organic waste gas can maintain spontaneous combustion in a catalytic bed without external heating, the burned tail gas is partially discharged into the atmosphere through a chimney 7, and most of the burned tail gas is sent to an adsorption bed 10 for regeneration of active carbon, so that the heat energy required by combustion and adsorption can be met, and the purpose of energy conservation is achieved. The regenerated one can enter the next adsorption and desorption, and the purification operation can be carried out by using another adsorption bed, so that the method is suitable for continuous operation and discontinuous operation.
To sum up, with the help of the above-mentioned technical scheme of the utility model, under this equipment effect, the design principle is advanced, with material unique, the stable performance, the structure is simple and convenient, safe and reliable, and is energy-conserving laborsaving, no secondary pollution, and equipment area is little, light in weight, adsorption bed adopt drawer type structure, loads the convenience, is convenient for change, and main characteristics this equipment design principle is advanced, with material unique, the stable performance, the structure is simple and convenient, safe and reliable, and is energy-conserving laborsaving, no secondary pollution. The equipment has small floor area, light weight, convenient filling, convenient replacement and low power consumption, the catalytic combustion chamber adopts a honeycomb ceramic-shaped noble metal catalyst as a carrier, the resistance is small, the activity is high, when the concentration of the organic waste gas reaches more than 1000mg/h, the spontaneous combustion can be maintained, meanwhile, the equipment is widely applied to the purification and odor elimination of harmful organic waste gas volatilized or leaked in painting, printing, electromechanical, household appliances, shoes, plastics and various chemical workshops, and the purification and odor elimination of the harmful organic waste gas which is lower in concentration and is not suitable for direct combustion or catalytic combustion and adsorption recovery treatment, especially in the treatment occasions with large air volume and low concentration, the satisfactory painting, printing, electromechanical, household appliances, shoes, plastics and various workshops can be obtained, and the purification and odor elimination of the harmful organic waste gas volatilized or leaked in the chemical workshops are most suitable for the low-concentration, the low-concentration noble metal catalyst is suitable for the catalytic combustion, the noble metal catalyst and the noble metal catalyst which are used as a carrier, The organic waste gas which is not suitable for direct combustion or catalytic combustion and absorption recovery treatment can obtain satisfactory economic benefits and social benefits especially for large-air-volume low-concentration treatment occasions.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A catalytic combustion combination machine for waste gas treatment is characterized by comprising an adsorption bed (10), wherein a plurality of groups of waste gas valves (8) are arranged at the middle position of the top end of the adsorption bed (10), adsorption air pipes (13) are arranged at the top ends of the waste gas valves (8), a plurality of groups of desorption switches (9) are arranged on one side of the top end of the adsorption bed (10), desorption air pipes (12) are arranged at the top ends of the desorption switches (9), an air inlet pipeline (15) is arranged at the bottom end of the adsorption bed (10), a dry filter (1), a combustion chamber (2), a desorption fan (3), a fresh fan (5) and an exhaust fan (6) are sequentially arranged on one side of the air inlet pipeline (15) from left to right, the exhaust fan (6) is connected with one end of the adsorption air pipes (13), and the dry filter (1) is connected with the air inlet pipeline (15), the fresh air machine (5) top is provided with air mixing box (4), just combustion chamber (2) desorption fan (3) air mixing box (4) reach connect through pipeline (16) between exhaust fan (6), dry-type filter (1) one side is provided with nitrogen making unit (14), just nitrogen making unit (14) through the pipeline with adsorption bed (10) intercommunication, the lateral wall of dry-type filter (1) is provided with control panel (18), air mixing box (4) top with the one end of desorption tuber pipe (12) is connected, combustion chamber (2) through the pipeline with admission line (15) are connected.
2. A catalytic combustion combined machine for exhaust gas treatment according to claim 1, characterized in that a honeycomb ceramic plate (201) is arranged inside the combustion chamber (2).
3. The catalytic combustion combined machine for exhaust gas treatment according to claim 1, characterized in that a chimney (7) is provided on the top of the exhaust fan (6), one side of the air mixing box (4) is connected with the chimney (7) through a preheating pipe (20), and an air preheater (21) is provided in the chimney (7) to match with the preheating pipe (20).
4. The catalytic combustion combined machine for exhaust gas treatment according to claim 1, wherein a concentration sensor (17) is disposed at one end of the outside of the adsorption air duct (13), and the control panel (18) is electrically connected to the concentration sensor (17), the exhaust gas valve (8) and the desorption switch (9) in sequence.
5. The catalytic combustion combined machine for exhaust gas treatment according to claim 1, wherein the exhaust gas valve (8) and the desorption switch (9) are provided with temperature probes (19) on the surfaces, and the temperature probes (19) are electrically connected with the control panel (18).
6. A combined catalytic combustion machine for exhaust gas treatment according to claim 1, characterized in that the control panel (18) surface is provided with several control buttons (1801).
7. A combined catalytic combustion machine for exhaust gas treatment according to claim 1, characterized in that a flame arrester (11) is arranged between the combustion chamber (2) and the desorption fan (3).
8. The catalytic combustion combined machine for exhaust gas treatment according to claim 3, wherein the air preheater (21) comprises a U-shaped pipe (22) arranged in the chimney (7), the preheating pipe (20) comprises an air inlet pipe (2001) and an air outlet pipe (2002), both ends of the U-shaped pipe (22) are respectively connected with the air inlet pipe (2001) and the air outlet pipe (2002), the air outlet pipe (2002) is connected with the air mixing box (4), and a plurality of finned air preheating pipes (2201) and turbolator air preheating pipes (2202) are respectively arranged in the U-shaped pipe (22) at adjacent vertical positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278685.1U CN214745802U (en) | 2021-02-01 | 2021-02-01 | Catalytic combustion combined machine for waste gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278685.1U CN214745802U (en) | 2021-02-01 | 2021-02-01 | Catalytic combustion combined machine for waste gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214745802U true CN214745802U (en) | 2021-11-16 |
Family
ID=78643058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120278685.1U Expired - Fee Related CN214745802U (en) | 2021-02-01 | 2021-02-01 | Catalytic combustion combined machine for waste gas treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214745802U (en) |
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2021
- 2021-02-01 CN CN202120278685.1U patent/CN214745802U/en not_active Expired - Fee Related
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