CN-224207711-U - Intermediate research and development waste gas treatment system

CN224207711UCN 224207711 UCN224207711 UCN 224207711UCN-224207711-U

Abstract

The utility model discloses an intermediate research and development waste gas treatment system, which belongs to the technical field of waste gas treatment and comprises a first active carbon adsorption device, a dosing spray washing tower, a condensation evaporation device and a second active carbon adsorption device which are sequentially connected along the flow direction of waste gas, wherein the first active carbon adsorption device is used for adsorbing pollutants in the waste gas, the dosing spray washing tower is used for absorbing the pollutants in the waste gas, the condensation evaporation device is used for condensing and recycling the pollutants in the waste gas, the second active carbon adsorption device is used for adsorbing the pollutants in the waste gas, the first active carbon adsorption device, the dosing spray washing tower, the condensation evaporation device and the second active carbon adsorption device are connected through pipelines, valves are arranged on front pipelines and rear pipelines, and the first active carbon adsorption device, the dosing spray washing tower, the condensation evaporation device and the second active carbon adsorption device are all provided with side pipelines which are connected in parallel with the first active carbon adsorption device, and the second active carbon adsorption device are all provided with valves. The utility model has the advantages of flexible operation, high efficiency, energy saving and the like.

Inventors

LI LIXING
ZHU CHENGRONG

Assignees

上海同济建设科技股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250530

Claims (10)

1. An intermediate development exhaust treatment system, characterized by: The device comprises a first active carbon adsorption device, a dosing spray washing tower, a condensation evaporation device and a second active carbon adsorption device which are sequentially connected along the flowing direction of waste gas, wherein the first active carbon adsorption device is used for adsorbing pollutants in the waste gas, the dosing spray washing tower is used for adsorbing the pollutants in the waste gas, the condensation evaporation device is used for condensing and recycling the pollutants in the waste gas, and the second active carbon adsorption device is used for adsorbing the pollutants in the waste gas; The first active carbon adsorption device, the dosing spray washing tower, the condensing evaporation device and the second active carbon adsorption device are connected through pipelines, and valves are arranged on the front pipeline and the rear pipeline; The first active carbon adsorption device, the dosing spray washing tower, the condensing evaporation device and the second active carbon adsorption device are all provided with side pipelines connected in parallel with the first active carbon adsorption device, and the side pipelines are all provided with valves.
2. An intermediate development exhaust treatment system according to claim 1, wherein: The dosing spray washing tower comprises a tower body, a nozzle, a spray pipe and a spray pump; The bottom of the tower body is a water tank area which is used for containing spray chemicals, and a filler area is arranged above the water tank area and filled with washing tower filler; The spray nozzle is arranged at the top of the tower body and above the filling area, one end of the spray pipe is connected with the water tank area of the tower body, the other end of the spray pipe is connected with the spray nozzle, and the spray pump is arranged on the spray pipe.
3. An intermediate development exhaust treatment system according to claim 2, wherein: The dosing spray washing tower also comprises a dosing box, a dosing pipe and a dosing pump; The dosing tank is used for storing spraying medicines, one end of the dosing pipe is connected with the dosing tank, the other end of the dosing pipe is connected with the water tank area of the tower body, and the dosing pump is arranged on the dosing pipe.
4. An intermediate development exhaust treatment system according to claim 2, wherein: The dosing spray washing tower also comprises a demister; The water tank area and the filler area are positioned on one side, close to the inlet, of the tower body, and the demister is arranged on one side, close to the outlet, of the tower body and is used for removing liquid mist drops in waste gas.
5. An intermediate development exhaust treatment system according to claim 1, wherein: the condensing and evaporating device comprises a condensing and evaporating box and a four-pipe refrigerating and heating all-in-one machine; The condensing evaporation box comprises a condensing section surface cooler, a wire mesh demister and an evaporating section surface cooler which are sequentially connected along the flowing direction of the waste gas, wherein the condensing section surface cooler is used for cooling, condensing and recycling pollutants in the waste gas; The four-pipe refrigerating and heating integrated machine comprises a cooling water circulating pipe and a hot water circulating pipe, wherein the cooling water circulating pipe is connected with the condensing section surface cooler for providing a refrigerant medium for the condensing section surface cooler, and the hot water circulating pipe is connected with the evaporating section surface cooler for providing a heating medium for the evaporating section surface cooler.
6. An intermediate development exhaust treatment system according to claim 5, wherein: The condensing and evaporating box also comprises a pre-filter; the pre-filter is arranged at the upstream of the condensing section surface cooler and is used for filtering solid particles in the waste gas.
7. An intermediate development exhaust treatment system according to claim 1, wherein: the first active carbon adsorption device and the second active carbon adsorption device are of drawer type structures and are respectively filled with first active carbon and second active carbon.
8. An intermediate development exhaust treatment system according to claim 1, wherein: The system also comprises an exhaust gas collecting device, a fan and a chimney; the exhaust gas collecting device is arranged at the upstream of the first activated carbon adsorption device and is used for collecting exhaust gas; The fan is arranged at the downstream of the second activated carbon adsorption device and is used for conveying waste gas; the chimney is arranged at the downstream of the fan and is used for discharging the treated gas.
9. An intermediate development exhaust treatment system according to claim 8, wherein: the device also comprises a flowmeter and a VOC detector A; The flowmeter and the VOC detector A are arranged between the waste gas collecting device and the first activated carbon adsorption device, the flowmeter is used for measuring the flow of waste gas, and the VOC detector A is used for detecting the concentration of waste gas.
10. An intermediate development exhaust treatment system according to claim 8, wherein: the device also comprises a VOC detector B; The VOC detector B is arranged between the second activated carbon adsorption device and the fan and is used for detecting the concentration of the waste gas.

Description

Intermediate research and development waste gas treatment system Technical Field The utility model belongs to the technical field of waste gas treatment, relates to a waste gas treatment device, and particularly relates to an intermediate research and development waste gas treatment system. Background The pharmaceutical intermediate can involve complex chemical reactions in the research and development process, and can generate different kinds of waste gas according to different reactions, and is mainly divided into acid waste gas, alkaline waste gas and volatile organic waste gas. The concentration of the exhaust gas may vary significantly with the season, order quantity, and choice of medicament. Moreover, these exhaust gases are often flammable and explosive, toxic and harmful, and can cause serious environmental damage. At present, in the medical intermediate waste gas treatment industry, low-concentration waste gas is mainly treated by an activated carbon adsorption method, a biological filter tank and a photocatalytic oxidation method, concentrated waste gas is treated by a catalytic combustion method and a dosing spraying method, and high-concentration waste gas is treated by a thermal combustion method and an evaporative condensation method, or the combination mode is adopted for treatment. However, a single process route cannot treat exhaust gases with different concentrations, or is wasteful of energy consumption. Disclosure of utility model The utility model provides an intermediate development waste gas treatment system to overcome the defects of the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The intermediate research and development waste gas treatment system comprises a first active carbon adsorption device, a dosing spray washing tower, a condensation evaporation device and a second active carbon adsorption device which are sequentially connected along the flowing direction of waste gas, wherein the first active carbon adsorption device is used for adsorbing pollutants in the waste gas, the dosing spray washing tower is used for absorbing the pollutants in the waste gas, the condensation evaporation device is used for condensing and recycling the pollutants in the waste gas, the second active carbon adsorption device is used for adsorbing the pollutants in the waste gas, the first active carbon adsorption device, the dosing spray washing tower, the condensation evaporation device and the second active carbon adsorption device are connected through pipelines, valves are arranged on front pipelines and rear pipelines, the first active carbon adsorption device, the dosing spray washing tower, the condensation evaporation device and the second active carbon adsorption device are all provided with side pipelines connected in parallel with the first active carbon adsorption device, and the second active carbon adsorption device are all provided with valves on the side pipelines. In order to optimize the technical scheme, the specific measures adopted further comprise: The dosing spray washing tower comprises a tower body, a nozzle, a spray pipe and a spray pump, wherein the bottom of the tower body is a water tank area, the water tank area is used for containing spray agents, a filler area is arranged above the water tank area, washing tower filler is filled in the filler area, the nozzle is arranged at the top of the tower body and above the filler area, one end of the spray pipe is connected with the water tank area of the tower body, the other end of the spray pipe is connected with the nozzle, and the spray pump is arranged on the spray pipe. The dosing spray washing tower further comprises a dosing box, a dosing pipe and a dosing pump, wherein the dosing box is used for storing spraying agents, one end of the dosing pipe is connected with the dosing box, the other end of the dosing pipe is connected with a water tank area of the tower body, and the dosing pump is arranged on the dosing pipe. The dosing spray washing tower further comprises a demister, wherein the water tank area and the filler area are positioned on one side, close to the inlet, of the tower body, and the demister is arranged on one side, close to the outlet, of the tower body and is used for removing liquid mist drops in waste gas. The condensation evaporation device comprises a condensation evaporation tank and a four-pipe refrigerating and heating integrated machine, wherein the condensation evaporation tank comprises a condensation section surface cooler, a wire mesh demister and an evaporation section surface cooler which are sequentially connected along the flowing direction of waste gas, the condensation section surface cooler is used for cooling, condensing and recycling pollutants in the waste gas, the wire mesh demister is used for removing liquid fog drops in the waste gas, the evaporation section surface cooler is used for improving the tempera