CN-224230029-U - Activated carbon adsorption and desorption catalytic combustion device

Abstract

The utility model discloses an activated carbon adsorption and desorption catalytic combustion device, and belongs to the field of activated carbon adsorption and desorption catalytic combustion. The utility model discloses an active carbon adsorption and desorption catalytic combustion device, which is provided with a combustion chamber of a catalytic assembly, wherein an exhaust pipe is fixedly connected to the combustion chamber, a heat accumulator is fixedly connected to the inner wall of the combustion chamber, a heat exchange pipe is attached to the inner wall of a groove, a buffer tank is fixedly connected to the outer wall of the combustion chamber, the input end of the buffer tank is communicated with an air outlet interface of the heat exchange pipe, and the exhaust pipe is communicated with an air inlet interface of the heat exchange pipe.

Inventors

• BI CHUANJUN

Assignees

• 昆山澳纳森节能环保科技有限公司

Dates

Publication Date

20260512

Application Date

20250623

Claims (8)

1. 1. The utility model provides an active carbon adsorbs desorption catalytic combustion device, is including being provided with catalytic assembly's combustion chamber (1), fixedly connected with exhaust pipe (8) on combustion chamber (1), its characterized in that still includes: a heat accumulator (2) fixedly connected to the inner wall of the combustion chamber (1), The heat accumulator (2) is provided with a groove (3), a heat exchange tube (4) is arranged in the groove (3), and the heat exchange tube (4) is attached to the inner wall of the groove (3); a buffer tank (9) fixedly connected to the outer wall of the combustion chamber (1), The input end of the buffer tank (9) is communicated with the air outlet interface of the heat exchange tube (4), and the exhaust gas tube (8) is communicated with the air inlet interface of the heat exchange tube (4).
2. 2. An activated carbon adsorption-desorption catalytic combustion device according to claim 1, characterized in that the grooves (3) are S-shaped.
3. 3. An activated carbon adsorption-desorption catalytic combustion device according to claim 2, characterized in that the heat exchange tube (4) is made of stainless steel.
4. 4. An activated carbon adsorption-desorption catalytic combustion device according to claim 1, characterized in that the cross section of the heat accumulator (2) is honeycomb-shaped.
5. 5. The activated carbon adsorption and desorption catalytic combustion device according to claim 1, further comprising a heat exchange box (7), wherein a first cavity and a second cavity are formed in the heat exchange box (7) through a partition plate, a connecting pipe communicated with the second cavity is arranged on the partition plate, the exhaust pipe (8) is communicated with the first cavity, the first cavity is communicated with the combustion cavity of the combustion chamber (1) through an air inlet pipe (701), and the second cavity is communicated with the purification cavity of the combustion chamber (1) through an air outlet pipe (702).
6. 6. The activated carbon adsorption and desorption catalytic combustion device according to claim 5, wherein the exhaust pipe (8) is fixedly connected with an air inlet interface of the heat exchange pipe (4) through a first pipeline (12), an air outlet interface of the heat exchange pipe (4) is fixedly connected with the buffer tank (9) through a second pipeline (13), and an output end of the buffer tank (9) is communicated with the air inlet pipe (701) through a conveying pipe (11).
7. 7. An activated carbon adsorption-desorption catalytic combustion device as in claim 5 or 6, characterized in that control valves are provided on the exhaust pipe (8), the first pipe (12), the delivery pipe (11), the inlet pipe (701) and the outlet pipe (702).
8. 8. An activated carbon adsorption-desorption catalytic combustion device according to claim 1, characterized in that the catalytic assembly comprises a catalytic plate (6) fixedly connected in the cavity of the combustion chamber (1), the catalytic plate (6) being arranged between the inlet pipe (701) and the outlet pipe (702).

Description

Activated carbon adsorption and desorption catalytic combustion device Technical Field The utility model relates to the technical field of activated carbon adsorption and desorption catalytic combustion, in particular to an activated carbon adsorption and desorption catalytic combustion device. Background The active carbon adsorption desorption catalytic combustion method belongs to a thermal destruction method, is environment-friendly equipment widely applied to industrial waste gas treatment, and is mainly used for treating low-concentration and large-air-volume organic waste gas. In the prior art, the technology combines the advantages of adsorption enrichment and catalytic combustion, and utilizes the high specific surface area of activated carbon (such as honeycomb activated carbon) to adsorb organic matters in waste gas in an adsorption stage, and the organic matters are concentrated into high-concentration gas through desorption of hot air or inert gas (such as nitrogen) after the activated carbon is saturated in a desorption stage, and the concentrated organic waste gas is oxidized into carbon dioxide and water under the action of a catalyst in the catalytic combustion stage, and simultaneously releases heat. However, in the practical use process, it is found that firstly, heat generated by exhaust gas in the desorption process is not effectively utilized, so that energy loss is caused, and secondly, the cold start time of the catalytic combustion chamber is too long, so that the catalytic combustion efficiency is reduced. Disclosure of utility model The utility model aims to solve the problems that in the prior art, heat generated by waste gas in a desorption process is not effectively utilized and the cold starting time of a catalytic combustion chamber is too long, and provides an activated carbon adsorption and desorption catalytic combustion device. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The active carbon adsorption and desorption catalytic combustion device comprises a combustion chamber provided with a catalytic assembly, a heat accumulator fixedly connected to the inner wall of the combustion chamber, a heat exchange tube arranged in the groove and attached to the inner wall of the groove, and a buffer tank fixedly connected to the outer wall of the combustion chamber, wherein the input end of the buffer tank is communicated with an air outlet interface of the heat exchange tube, and the exhaust pipe is communicated with an air inlet interface of the heat exchange tube. In order to improve the heat exchange efficiency of the heat exchange tube, preferably, the grooves are in an S-shaped structure. In order to improve the heat-resistant effect of the heat exchange tube, the heat exchange tube is further made of stainless steel. In order for the heat accumulator to store heat or release heat, it is preferable that the heat accumulator has a honeycomb-shaped cross section. In order to be convenient for carry circulation to waste gas and purge gas, preferably still include the heat exchange box, form first cavity and second cavity through the division board in the heat exchange box, be provided with the connecting pipe that is linked together with the second cavity on the division board, the waste gas pipe is linked together with first cavity, and first cavity is linked together through the burning cavity of intake pipe with the combustion chamber, and the second cavity is linked together through the purification cavity of outlet duct with the combustion chamber. In order to facilitate gas transmission or gas output to the buffer tank, preferably, the exhaust pipe is fixedly connected with the gas inlet port of the heat exchange pipe through a first pipeline, the gas outlet port of the heat exchange pipe is fixedly connected with the buffer tank through a second pipeline, and the output end of the buffer tank is communicated with the gas inlet pipe through a conveying pipe. In order to control the passage of the pipeline, preferably, control valves are arranged on the exhaust pipe, the first pipeline, the conveying pipe, the air inlet pipe and the air outlet pipe. In order to facilitate catalytic post-combustion of the exhaust gases, the catalytic assembly preferably comprises a catalytic plate fixedly connected within the combustion chamber cavity, the catalytic plate being disposed between the inlet duct and the outlet duct. Compared with the prior art, the utility model provides the activated carbon adsorption and desorption catalytic combustion device which has the following beneficial effects: 1. According to the active carbon adsorption and desorption catalytic combustion device, the exhaust pipe is communicated with the air inlet interface of the heat exchange pipe, so that the desorbed high-concentration exhaust gas is conveyed into the heat exchange pipe, and then the desorbed high-concentration exhaust gas can be subjecte