CN214064940U - Integrated catalytic combustion waste gas treatment device - Google Patents
Integrated catalytic combustion waste gas treatment device Download PDFInfo
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- CN214064940U CN214064940U CN202023137341.3U CN202023137341U CN214064940U CN 214064940 U CN214064940 U CN 214064940U CN 202023137341 U CN202023137341 U CN 202023137341U CN 214064940 U CN214064940 U CN 214064940U
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Abstract
The application discloses an integrated catalytic combustion waste gas treatment device, which adopts a plurality of parallel activated carbon adsorption and desorption beds, wherein the activated carbon adsorption and desorption beds can be used for simultaneously adsorbing and desorbing and can be used alternately, so that the integrated catalytic combustion waste gas treatment device is suitable for continuous operation or intermittent operation, the activated carbon adsorption and purification efficiency can be improved, and the activated carbon utilization rate can be improved; through the overtemperature early warning system, when the temperature detected by the temperature control point exceeds the normal temperature, the automatic alarm device gives an alarm to the outside, and the alarm can be timely processed while the safety of workers is ensured.
Description
Technical Field
The utility model relates to a waste gas treatment equipment technical field especially relates to an integral type catalytic combustion exhaust treatment device.
Background
In recent years, with the development of economy, various chemical enterprises have rapidly developed, but at the same time, a large amount of industrial organic waste gas is generated, such as harmful organic waste gas volatilized or leaked from coating, printing, electromechanics, household appliances, shoes, plastics and various chemical workshops. Various industrial organic waste gases are discharged into the atmosphere, which seriously affect the air quality and bring harm to the health of human bodies and other animals and plants.
At present, various methods are available for treating industrial organic waste gas, such as an activated carbon adsorption method, a combustion method, a plasma method, an absorption method and the like, and each treatment method has certain applicability and respective limitations.
The adsorption recovery technology can effectively treat the organic waste gas and recover the organic solvent, but the treatment effect is not ideal, and the used adsorption material is activated carbon, so that the activated carbon is usually directly replaced by new activated carbon after being adsorbed and saturated and the saturated activated carbon is discarded, so that the waste of the activated carbon is caused; or special desorption equipment can be adopted to perform desorption treatment on the saturated activated carbon, the activated carbon can be continuously used after desorption regeneration, but the desorption equipment is usually required to be independently arranged, the occupied space is large, the enterprise cost is increased dramatically, and the air purification cost is increased; in addition, the absorption and recovery equipment occupies a large space and has many parts, so that the field installation mode is generally adopted, which increases the installation cost, increases the enterprise cost, and simultaneously causes the equipment safety problem caused by installation errors, and can not be found in time when accidents occur, such as excessive temperature in the equipment, and the like, thereby causing equipment damage and personnel injury.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing an integral type catalytic combustion exhaust treatment device, this integral type catalytic combustion exhaust treatment device adopt a plurality of parallelly connected active carbon adsorption desorption purifier, and a plurality of active carbon adsorption desorption purifier can adsorb simultaneously, carry out the desorption simultaneously, also can alternate use, are applicable to continuous operation or are interrupted the operation, can improve the efficiency that active carbon adsorption purified, improve the utilization ratio of active carbon.
In order to realize the aim, the utility model provides an integrated catalytic combustion waste gas treatment device, which comprises a dry filter, an activated carbon adsorption desorption purification device, a catalytic combustion chamber, a mixed flow heat exchanger and a discharge device; the active carbon adsorption desorption purification device comprises a plurality of active carbon adsorption desorption beds which are connected in parallel, the active carbon adsorption desorption purification device is provided with adsorption air inlets and adsorption air outlets which are equivalent to the number of the active carbon adsorption desorption beds, waste gas enters the active carbon adsorption desorption purification device through the adsorption air inlets after passing through the dry filter, is adsorbed by the active carbon adsorption desorption beds, and then enters the discharge device from the adsorption air outlets to be discharged; the active carbon adsorption desorption purification device is provided with a desorption air inlet and a desorption air outlet, the desorption air outlet is communicated with the catalytic combustion chamber, the catalytic combustion chamber is communicated with the mixed flow heat exchanger, the mixed flow heat exchanger is communicated with the desorption air inlet, hot air in the mixed flow heat exchanger enters the active carbon adsorption desorption purification device through the desorption air inlet, the hot air enters the catalytic combustion chamber from the desorption air outlet after being desorbed by a plurality of active carbon adsorption desorption beds for catalytic combustion, one part of tail gas generated after the catalytic combustion enters the mixed flow heat exchanger, and the other part of tail gas is directly discharged through the discharge device; the integrated catalytic combustion waste gas treatment device is characterized in that an overtemperature early warning system is arranged inside the integrated catalytic combustion waste gas treatment device and comprises a plurality of temperature control points and an automatic alarm device, wherein the temperature control points detect that the temperature exceeds the preset temperature, and the automatic alarm device gives an alarm. The integrated catalytic combustion waste gas treatment device adopts a plurality of parallel activated carbon adsorption and desorption beds, the activated carbon adsorption and desorption beds can simultaneously carry out adsorption and desorption, and can also be used alternately, so that the integrated catalytic combustion waste gas treatment device is suitable for continuous operation or discontinuous operation, the activated carbon adsorption and purification efficiency can be improved, and the utilization rate of activated carbon can be improved; through the overtemperature early warning system, when the temperature detected by the temperature control point exceeds the normal temperature, the automatic alarm device gives an alarm to the outside, and the alarm can be timely processed while the safety of workers is ensured.
In an example, activated carbon adsorption desorption purifier still includes the outer container, the outer container is separated for top wind channel, adsorption desorption chamber and bottom wind channel from top to bottom, the top wind channel with the lateral wall in bottom wind channel has all been seted up the pipeline through-hole, adsorption desorption chamber is separated for a plurality of spaces of placeeing, activated carbon adsorption desorption bed set up in place in the space, it is a plurality of place the roof in space seted up the desorption air outlet, it is a plurality of place the diapire in space has seted up the desorption air intake. Place a plurality of absorption desorption beds in putting the space in holistic outer box, integrate the processing, change in the wholeness delivery, reduce the error that the secondary installation caused, the leakproofness of outer box multiplicable whole equipment increases the security of whole equipment.
In one example, a spray pipe is arranged at the top of the adsorption and desorption cavity, and the spray pipe is provided with a spray head which can spray cooling gas or cooling liquid into the adsorption and desorption cavity. The spray pipeline and the spray head can be opened when the activated carbon adsorption and desorption purification device has the phenomena of overhigh temperature, overlarge pressure and the like due to the accident situation, so that the effects of pressure reduction and temperature reduction are achieved.
In one example, the cooling gas is provided as carbon dioxide or nitrogen and the cooling liquid is provided as water.
In one example, the integrated catalytic combustion exhaust gas treatment device further comprises a desorption pipeline, wherein the desorption pipeline comprises a desorption air inlet pipeline and a desorption air outlet pipeline; the desorption air inlet pipeline enters the bottom air channel through the pipeline through hole of the bottom air channel and then is communicated with the placing space through the air inlet; the desorption air outlet pipeline enters the top air channel through the pipeline through hole of the top air channel and then is communicated with the placement space through the air outlet. The desorption air inlet pipeline and the desorption air outlet pipeline are respectively positioned in the bottom air channel and the top air channel, the sealing performance of the whole equipment can be increased, the pipelines are not exposed to the outside, the service life is longer, meanwhile, the transportation is more convenient, and the pipeline is prevented from being damaged in the transportation process so that the subsequent leakage and safety problems can be caused.
In one example, the integrated catalytic combustion exhaust gas treatment device further comprises an adsorption fan and a desorption fan, wherein the adsorption fan is arranged between the activated carbon adsorption and desorption purification device and the discharge device, and the desorption fan is arranged between the activated carbon adsorption and desorption purification device and the catalytic combustion chamber.
In one example, the integrated catalytic combustion exhaust gas treatment device further comprises an air supplementing cooler, the air supplementing cooler is communicated with the mixed flow heat exchanger, and the air supplementing cooler can provide cold air for the mixed flow heat exchanger. The cold air flow can be supplemented by the cold air supplementing fan when the temperature of the gas for desorption is too high, and the temperature is adjusted to reach the temperature required by desorption.
In one example, high-iodine value honeycomb activated carbon is adopted in the activated carbon adsorption and desorption purification device, and the iodine value of the high-iodine value honeycomb activated carbon is more than 600 mg/g.
In one example, a heat exchanger and an electric heater are further arranged between the catalytic combustion chamber and the desorption fan, the desorption fan is connected with the heat exchanger, the heat exchanger is connected with the electric heater and the mixed flow heat exchanger, the electric heater is connected with the catalytic combustion chamber, the catalytic combustion chamber is communicated with the heat exchanger, gas passes through the heat exchanger and the electric heater in sequence from the desorption fan, finally enters the catalytic combustion chamber for catalytic combustion, and gas generated after catalytic combustion can enter the heat exchanger again for heat exchange and then flows to the mixed flow heat exchanger. The catalytic combustion chamber is also communicated with the heat exchanger, gas enters the catalytic combustion chamber for catalytic combustion after passing through the heat exchanger and the electric heater (if the temperature is not enough, the gas can be heated by the electric heater), carbon dioxide, water vapor and the like generated after combustion return to the heat exchanger again, the heat of the gas can be used for heating the gas entering the electric heater through the heat exchanger, the effects of waste heat recovery and self-heating are achieved, and more energy and electricity are saved.
In one example, the mixed flow heat exchanger is communicated with the discharge device through a discharge pipe, and part of gas in the mixed flow heat exchanger enters the discharge device through the discharge pipe and is discharged through the discharge device.
Drawings
The drawings described herein are intended only to assist those skilled in the art in understanding the technical solutions of the present invention, and the exemplary embodiments of the present invention described in conjunction with the drawings are intended only to explain the technical solutions of the present invention and do not constitute an undue limitation on the present invention. In the drawings:
fig. 1 is a schematic main three-dimensional structure diagram of an integrated catalytic combustion exhaust gas treatment device provided by an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the integrated catalytic combustion exhaust treatment device of the present invention with part of the outer tank removed;
fig. 3 is a schematic perspective view of a portion of an outer box of an integrated catalytic combustion exhaust gas treatment device according to another embodiment of the present invention;
fig. 4 is a schematic exhaust gas flow diagram of the integrated catalytic combustion exhaust gas treatment device provided by the embodiment of the present invention.
List of reference numerals:
the device comprises a dry filter 1, an activated carbon adsorption desorption purification device 2, a catalytic combustion chamber 3, a mixed flow heat exchanger 4 discharge device 5, an activated carbon adsorption desorption bed 6, an outer box 7, a top air duct 8, an adsorption desorption cavity 9, a bottom air duct 10, a pipeline through hole 11, a desorption air outlet 12, a desorption air inlet 13, a spray pipeline 14, a spray header 15, a desorption air inlet pipeline 16, a desorption air outlet pipeline 17, an adsorption fan 18, a desorption fan 19, a supplement air cooler 20, a heat exchanger 21, an electric heater 22 and a discharge pipe 23.
Detailed Description
In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so 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 invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
As shown in fig. 1 to 4 (the direction indicated by the arrow in the figure is the flowing direction of the gas), the utility model provides an integrated catalytic combustion waste gas treatment device, which comprises a dry filter 1, an activated carbon adsorption and desorption purification device 2, a catalytic combustion chamber 3, a mixed flow heat exchanger 4 and a discharge device 5; the activated carbon adsorption desorption purification device 2 comprises a plurality of activated carbon adsorption desorption beds 6 which are connected in parallel, the activated carbon adsorption desorption purification device 2 is provided with adsorption air inlets and adsorption air outlets which are equivalent to the number of the activated carbon adsorption desorption beds 6, waste gas enters the activated carbon adsorption desorption purification device 2 through the adsorption air inlets after passing through the dry filter 1, is adsorbed by the plurality of activated carbon adsorption desorption beds 6, and then enters the discharge device 5 from the adsorption air outlets for discharge; the active carbon adsorption desorption purification device 2 is provided with a desorption air inlet and a desorption air outlet, the desorption air outlet is communicated with the catalytic combustion chamber 3, the catalytic combustion chamber 3 is communicated with the mixed flow heat exchanger 4, the mixed flow heat exchanger 4 is communicated with the desorption air inlet, hot air in the mixed flow heat exchanger 4 enters the active carbon adsorption desorption purification device 2 through the desorption air inlet, the hot air enters the catalytic combustion chamber 3 from the desorption air outlet after being desorbed by the plurality of active carbon adsorption desorption beds 6 for catalytic combustion, one part of tail gas generated after the catalytic combustion enters the mixed flow heat exchanger 4, and the other part of tail gas is directly discharged through the discharge device 5; the inside of integral type catalytic combustion exhaust treatment device is provided with overtemperature early warning system, and overtemperature early warning system includes a plurality of temperature control points and autoalarm, detects under the state that the temperature surpassed preset temperature at the temperature control point, and autoalarm sends out the police dispatch newspaper. The integrated catalytic combustion waste gas treatment device adopts a plurality of activated carbon adsorption and desorption beds 6 which are connected in parallel, the plurality of activated carbon adsorption and desorption beds 6 can simultaneously carry out adsorption and desorption, and can also be used alternately, so that the integrated catalytic combustion waste gas treatment device is suitable for continuous operation or discontinuous operation, the activated carbon adsorption and purification efficiency can be improved, and the utilization rate of activated carbon can be improved; through the overtemperature early warning system, when the temperature detected by the temperature control point exceeds the normal temperature, the automatic alarm device gives an alarm to the outside, and the alarm can be timely processed while the safety of workers is ensured.
In a specific embodiment, as shown in fig. 1 to fig. 3, the activated carbon adsorption desorption purification device 2 further includes an outer box 7, the outer box 7 is separated into a top air duct 8 from top to bottom, an adsorption desorption chamber 9 and a bottom air duct 10, a pipeline through hole 11 has been all opened on the side walls of the top air duct 8 and the bottom air duct 10, the adsorption desorption chamber 9 is separated into a plurality of placing spaces, the activated carbon adsorption desorption bed 6 is disposed in the placing spaces, desorption air outlets 12 have been opened on the top walls of the plurality of placing spaces, and desorption air inlets 13 have been opened on the bottom walls of the plurality of placing spaces. Arrange a plurality of absorption desorption beds 6 in the space of placeeing in holistic outer container 7, integrate the processing, change in wholeness delivery, reduce the error that the secondary installation caused, the leakproofness of outer container 7 multiplicable whole equipment increases the security of whole equipment.
In a specific embodiment, as shown in fig. 3, a spray pipe 14 is provided at the top of the adsorption and desorption chamber 9, the spray pipe 14 is provided with a spray header 15, and the spray header 15 can spray cooling gas or cooling liquid into the adsorption and desorption chamber 9. The spray pipe 14 and the spray head 15 can be opened when the activated carbon adsorption and desorption purification device 2 is too high in temperature, too high in pressure and the like due to accidents, so that the effects of reducing pressure and temperature are achieved.
In a particular embodiment, the cooling gas is provided as carbon dioxide or nitrogen and the cooling liquid is provided as water. Besides the above arrangement, other gases or liquids with cooling and pressure reducing effects can be selected.
In one embodiment, as shown in fig. 1 to 3, the integrated catalytic combustion exhaust gas treatment device further includes a desorption pipeline, and the desorption pipeline includes a desorption air inlet pipeline 16 and a desorption air outlet pipeline 17; the desorption air inlet pipeline 16 enters the bottom air channel 10 through the pipeline through hole 11 of the bottom air channel 10 and then is communicated with the placing space through an air inlet; the desorption air outlet pipeline 17 enters the top air duct 8 through the pipeline through hole 11 of the top air duct 8 and then is communicated with the placing space through the air outlet. The desorption air inlet pipeline 16 and the desorption air outlet pipeline 17 are respectively positioned in the bottom air duct 10 and the top air duct 8, so that the sealing performance of the whole equipment can be increased, the pipelines are not exposed to the outside, the service life is longer, the transportation is more convenient, and the pipeline is prevented from being damaged in the transportation process so as to cause subsequent leakage and safety problems.
In a specific embodiment, as shown in fig. 4, the integrated catalytic combustion exhaust gas treatment device further includes an adsorption fan 18 and a desorption fan 19, the adsorption fan 18 is disposed between the activated carbon adsorption and desorption purification device 2 and the discharge device 5, and the desorption fan 19 is disposed between the activated carbon adsorption and desorption purification device 2 and the catalytic combustion chamber 3.
In a specific embodiment, as shown in fig. 4, the integrated catalytic combustion exhaust gas treatment device further includes an air supplement cooler 20, the air supplement cooler 20 is communicated with the mixed flow heat exchanger 4, and the air supplement cooler 20 can provide cold air to the mixed flow heat exchanger 4. The cool air supply fan 20 can supply cool air flow when the temperature of the gas for desorption is too high, and adjust the temperature to reach the temperature required for desorption.
In one specific embodiment, the activated carbon adsorption and desorption purification device 2 adopts high-iodine value honeycomb activated carbon, and the iodine value of the high-iodine value honeycomb activated carbon is more than 600 mg/g.
In a specific embodiment, as shown in fig. 4, a heat exchanger 21 and an electric heater 22 are further disposed between the catalytic combustion chamber 3 and the desorption fan 19, the desorption fan 19 is connected to the heat exchanger 21, the heat exchanger 21 is connected to the electric heater 22 and the mixed flow heat exchanger 4, the electric heater 22 is connected to the catalytic combustion chamber 3, the catalytic combustion chamber 3 is communicated with the heat exchanger 21, the gas passes through the heat exchanger 21 and the electric heater 22 in sequence from the desorption fan 19, and finally enters the catalytic combustion chamber 3 for catalytic combustion, and the gas generated after catalytic combustion can enter the heat exchanger 21 again for heat exchange and then flows to the mixed flow heat exchanger 4. The catalytic combustion chamber 3 is also communicated with the heat exchanger 21, gas enters the catalytic combustion chamber 3 for catalytic combustion after passing through the heat exchanger 21 and the electric heater 22 (if the temperature is not enough, the gas can be heated by the electric heater 22), carbon dioxide, water vapor and the like generated after combustion are returned to the heat exchanger 21 again, the heat of the gas can be used for heating the gas entering the electric heater 22 through the heat exchanger 21, the effects of waste heat recovery and self-heating are achieved, and energy and electricity are saved.
In one embodiment, as shown in fig. 4, the mixed flow heat exchanger 4 is communicated with the exhaust device 5 through an exhaust pipe 23, and part of the gas in the mixed flow heat exchanger 4 enters the exhaust device 5 through the exhaust pipe 23 and is discharged through the exhaust device 5.
The integrated catalytic combustion waste gas treatment device comprises the following steps during working:
1) after entering the dry filter 1 for filtering, the organic waste gas enters the activated carbon adsorption and desorption purification device 2 through the adsorption air inlet, wherein the activated carbon is used for adsorbing and purifying the organic waste gas, and the organic waste gas is discharged from the adsorption air outlet after purification is finished;
2) the adsorption is stopped after the activated carbon in the activated carbon adsorption desorption purification device 2 is saturated, the hot air flow in the mixed flow heat exchanger 4 enters the activated carbon adsorption desorption purification device 2 through the desorption air inlet, and organic matters are desorbed from the activated carbon so as to regenerate the activated carbon;
3) the desorbed organic matter is fed into the catalytic combustion chamber 3 through the desorption air outlet for catalytic combustion, carbon dioxide and steam generated after catalytic combustion flow into the mixed flow heat exchanger 4 through the heat exchanger 21, one part of the carbon dioxide and steam flows into the desorption air inlet pipeline 16 through the mixed flow heat exchanger 4, and the other part of the carbon dioxide and steam directly flows into the discharge device 5 for discharge.
The utility model provides an integral type catalytic combustion exhaust treatment device adopts the full automatic control of PLC system, can carry out automatic regulation according to the concentration of waste gas, the variation trend of equipment temperature, has solved the problem of maintaining.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. An integrated catalytic combustion waste gas treatment device is characterized by comprising a dry filter, an activated carbon adsorption and desorption purification device, a catalytic combustion chamber, a mixed flow heat exchanger and a discharge device;
the active carbon adsorption desorption purification device comprises a plurality of active carbon adsorption desorption beds which are connected in parallel, the active carbon adsorption desorption purification device is provided with adsorption air inlets and adsorption air outlets which are equivalent to the number of the active carbon adsorption desorption beds, waste gas enters the active carbon adsorption desorption purification device through the adsorption air inlets after passing through the dry filter, is adsorbed by the active carbon adsorption desorption beds, and then enters the discharge device from the adsorption air outlets to be discharged;
the active carbon adsorption desorption purification device is provided with a desorption air inlet and a desorption air outlet, the desorption air outlet is communicated with the catalytic combustion chamber, the catalytic combustion chamber is communicated with the mixed flow heat exchanger, the mixed flow heat exchanger is communicated with the desorption air inlet, hot air in the mixed flow heat exchanger enters the active carbon adsorption desorption purification device through the desorption air inlet, the hot air enters the catalytic combustion chamber from the desorption air outlet after being desorbed by a plurality of active carbon adsorption desorption beds for catalytic combustion, one part of tail gas generated after the catalytic combustion enters the mixed flow heat exchanger, and the other part of tail gas is directly discharged through the discharge device;
the integrated catalytic combustion waste gas treatment device is characterized in that an overtemperature early warning system is arranged inside the integrated catalytic combustion waste gas treatment device and comprises a plurality of temperature control points and an automatic alarm device, wherein the temperature control points detect that the temperature exceeds the preset temperature, and the automatic alarm device gives an alarm.
2. The integrated catalytic combustion exhaust gas treatment device according to claim 1, wherein the activated carbon adsorption desorption purification device further comprises an outer tank, the outer tank is divided into a top air duct, an adsorption desorption chamber and a bottom air duct from top to bottom, the side walls of the top air duct and the bottom air duct are both provided with pipeline through holes, the adsorption desorption chamber is divided into a plurality of placing spaces, the activated carbon adsorption desorption bed is arranged in the placing spaces, the top walls of the placing spaces are provided with the desorption air outlets, and the bottom walls of the placing spaces are provided with the desorption air inlets.
3. The integrated catalytic combustion exhaust gas treatment device according to claim 2, wherein a spray pipe is provided at a top of the adsorption and desorption chamber, and the spray pipe is provided with a spray header capable of spraying a cooling gas or a cooling liquid into the adsorption and desorption chamber.
4. The integrated catalytic combustion exhaust gas treatment device according to claim 3, wherein the cooling gas is provided as carbon dioxide or nitrogen, and the cooling liquid is provided as water.
5. The integrated catalytic combustion exhaust gas treatment device according to claim 2, further comprising a desorption pipeline, wherein the desorption pipeline comprises a desorption air inlet pipeline and a desorption air outlet pipeline;
the desorption air inlet pipeline enters the bottom air channel through the pipeline through hole of the bottom air channel and then is communicated with the placing space through the air inlet; the desorption air outlet pipeline enters the top air channel through the pipeline through hole of the top air channel and then is communicated with the placement space through the air outlet.
6. The integrated catalytic combustion exhaust gas treatment device according to claim 1, further comprising an adsorption fan and a desorption fan, wherein the adsorption fan is disposed between the activated carbon adsorption and desorption purification device and the discharge device, and the desorption fan is disposed between the activated carbon adsorption and desorption purification device and the catalytic combustion chamber.
7. The integrated catalytic combustion exhaust gas treatment device according to claim 1, further comprising an additional air cooler, the additional air cooler being in communication with the mixed-flow heat exchanger, the additional air cooler being capable of providing cold air to the mixed-flow heat exchanger.
8. The integrated catalytic combustion exhaust gas treatment device according to claim 1, wherein the activated carbon adsorption and desorption purification device uses high-iodine value honeycomb activated carbon having an iodine value of more than 600 mg/g.
9. The integrated catalytic combustion exhaust gas treatment device according to claim 6, wherein a heat exchanger and an electric heater are further arranged between the catalytic combustion chamber and the desorption fan, the desorption fan is connected with the heat exchanger, the heat exchanger is connected with the electric heater and the mixed flow heat exchanger, the electric heater is connected with the catalytic combustion chamber, the catalytic combustion chamber is communicated with the heat exchanger, gas passes through the heat exchanger and the electric heater in sequence from the desorption fan and finally enters the catalytic combustion chamber for catalytic combustion, and gas generated after catalytic combustion can enter the heat exchanger again for heat exchange and then flows to the mixed flow heat exchanger.
10. The integrated catalytic combustion exhaust gas treatment device of claim 1, wherein the mixed flow heat exchanger is in communication with the exhaust device through an exhaust pipe, and a portion of the gas within the mixed flow heat exchanger enters the exhaust device through the exhaust pipe and is discharged through the exhaust device.
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| CN202023137341.3U CN214064940U (en) | 2020-12-22 | 2020-12-22 | Integrated catalytic combustion waste gas treatment device |
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| CN202023137341.3U CN214064940U (en) | 2020-12-22 | 2020-12-22 | Integrated catalytic combustion waste gas treatment device |
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