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CN-224215896-U - Waste gas purifying and cooling device with waste heat recovery function

CN224215896UCN 224215896 UCN224215896 UCN 224215896UCN-224215896-U

Abstract

The utility model relates to the technical field of cooling equipment and provides an exhaust gas purifying and cooling device with a waste heat recovery function, which comprises a heat radiating box body, a primary active carbon box, a secondary active carbon box, a first fan, a return pipe and a heat recovery closed loop, wherein a tubular radiator is arranged in the heat radiating box body, the radiator is a serpentine metal pipeline, the pipe wall of the radiator is provided with a fin structure and is used for carrying out gradient cooling on exhaust gas, the primary active carbon box is communicated with an outlet of the heat radiating box body, a large-aperture honeycomb carbon body is arranged in the primary active carbon box and is used for coarsely absorbing pollutants, the secondary active carbon box is connected with the primary active carbon box in series, a nano-scale modified carbon material is arranged in the primary active carbon box and is used for deeply absorbing molecular sieves, the first fan is arranged on an exhaust side of the secondary active carbon box and is used for driving purified gas to be discharged, and the return pipe is connected with the first fan and the radiator to form a heat recovery closed loop, and waste heat of the purified gas and initial exhaust gas are subjected to reverse heat exchange.

Inventors

  • PAN XU
  • JIA YONGLIAN
  • ZHANG ZENGHUI

Assignees

  • 江苏乐轩智能装备有限公司

Dates

Publication Date
20260508
Application Date
20250430

Claims (6)

  1. 1. An exhaust gas purifying and cooling device with a waste heat recovery function is characterized by comprising: The heat dissipation box body (1) is internally provided with a tubular radiator (13), the radiator (13) is a serpentine metal pipeline, and the pipe wall is provided with a fin structure for carrying out gradient cooling on waste gas; The first-stage active carbon box (2) is communicated with the outlet of the heat dissipation box body (1), and is internally provided with a large-aperture honeycomb carbon body for coarse-effect adsorption of pollutants; The secondary activated carbon box (3) is connected with the primary activated carbon box (2) in series, and is internally provided with a nano-scale modified carbon material for deep adsorption of the molecular sieve; The first fan (4) is arranged on the exhaust side of the secondary activated carbon box (3) and is used for driving purified gas to be exhausted; And the return pipe (41) is connected with the first fan (4) and the radiator (13) to form a heat recovery closed loop, so that the waste heat of the purified gas and the initial waste gas are subjected to reverse heat exchange.
  2. 2. The exhaust gas purifying and cooling device with the waste heat recovery function according to claim 1, further comprising a second fan (5) arranged on a pipeline between the heat dissipation box body (1) and the primary activated carbon box (2) and used for drawing exhaust gas into the activated carbon box.
  3. 3. The exhaust gas purifying and cooling device with the waste heat recovery function according to claim 2, wherein a turbulent mixing bin is arranged at an air inlet (12) of the heat dissipating box body (1), and external clean air is introduced through a second fan (5) to form a dynamic air supplementing fan so as to realize secondary temperature regulation of exhaust gas.
  4. 4. The exhaust gas purifying and cooling device with the waste heat recovery function according to claim 1, wherein the carbon bodies of the primary active carbon box (2) and the secondary active carbon box (3) are in a modularized design and can be independently disassembled and replaced.
  5. 5. The exhaust gas purifying and cooling device with the waste heat recovery function according to claim 1, wherein the first fan (4) and the second fan (5) are variable frequency fans, and the working condition parameters of the radiator (13), the primary active carbon box (2) and the secondary active carbon box (3) are maintained to be stable by controlling and adjusting the wind pressure and the flow rate of the system in a linkage mode.
  6. 6. The exhaust gas purifying and cooling device with the waste heat recovery function according to claim 1, wherein an emergency discharge valve is arranged at the bottom of the heat dissipating box body (1), and is automatically opened when the internal temperature of the system exceeds a threshold value, so that the spontaneous combustion of the activated carbon is prevented.

Description

Waste gas purifying and cooling device with waste heat recovery function Technical Field The utility model relates to the technical field of cooling equipment, in particular to an exhaust gas purifying and cooling device with a waste heat recovery function. Background With the rapid development of industrial production, the problem of exhaust emission has become a significant challenge in the field of environmental protection. Organic waste gas, volatile compounds (VOCs) and pollutants with peculiar smell generated in the industrial production process can not only destroy ecological environment balance, but also cause irreversible damage to human respiratory systems and nervous systems, and even cause cancerogenic risks if the pollutants are directly discharged without effective treatment. Although the active carbon adsorption technology commonly adopted in the current industry can realize partial pollutant removal, the active carbon adsorption technology still has obvious defects in practical application. The traditional waste gas treatment process usually adopts a single cooling or direct adsorption mode, and the technical limitations are that firstly, when the initial temperature of waste gas is too high (commonly seen in high-temperature process scenes such as chemical industry, coating and the like), the waste gas directly enters an adsorption device to cause pyrolysis deactivation of an active carbon pore structure, so that the adsorption efficiency is reduced, and meanwhile, secondary pollution risks are generated. In addition, the insufficiently cooled waste gas is easy to cause oxidation exothermic reaction on the surface of the activated carbon, and potential safety hazards of spontaneous combustion of the adsorption material exist. For this reason, we propose an exhaust gas purifying and cooling device with a waste heat recovery function. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides the waste gas purifying and cooling device with the waste heat recovery function, which overcomes the defects of the prior art, has reasonable design and compact structure and solves the problems in the background art. (II) technical scheme In order to achieve the above purpose, the utility model is realized by the following technical scheme: An exhaust gas purifying and cooling device with a waste heat recovery function is characterized by comprising: the heat dissipation box body is internally provided with a tubular radiator, the radiator is a serpentine metal pipeline, and the pipe wall is provided with a fin structure for carrying out gradient cooling on the waste gas; The first-stage activated carbon box is communicated with the outlet of the radiating box body, and is internally provided with a large-aperture honeycomb carbon body for coarse-effect adsorption of pollutants; The secondary activated carbon box is connected with the primary activated carbon box in series, and is internally provided with a nano-scale modified carbon material for deep adsorption of the molecular sieve; The first fan is arranged on the exhaust side of the secondary active carbon box and is used for driving purified gas to be exhausted; And the return pipe is connected with the first fan and the radiator to form a heat recovery closed loop, so that the waste heat of the purified gas and the initial waste gas are subjected to reverse heat exchange. Preferably, the device further comprises a second fan which is arranged on a pipeline between the heat dissipation box body and the first-stage active carbon box and used for drawing waste gas into the active carbon box. Preferably, a turbulent mixing bin is arranged at the air inlet of the heat dissipation box body, and external clean air is introduced through a second fan to form a dynamic air supplementing system, so that the secondary temperature regulation and control of waste gas are realized. Preferably, the carbon bodies of the primary active carbon box and the secondary active carbon box are in a modularized design, and can be independently disassembled and replaced. Preferably, the first fan and the second fan are variable frequency fans, and the working condition parameters of the radiator, the primary active carbon box and the secondary active carbon box are maintained to be stable by controlling and adjusting the wind pressure and the flow speed of the system in a linkage mode. Preferably, the bottom of the heat dissipation box body is provided with an emergency discharge valve, and the emergency discharge valve is automatically opened when the internal temperature of the system exceeds a threshold value, so that the spontaneous combustion of the activated carbon is prevented. (III) beneficial effects The embodiment of the utility model provides an exhaust gas purifying and cooling device with a waste heat recovery function. The beneficial effects are as follows: The cooling protection is that