一种废气回收处理装置

Abstract

本申请属于废气回收技术领域，具体提供了一种废气回收处理装置，包括依次连接的收集管道、收集缓冲罐、过滤器、膜回收工艺单元和吸附单元；收集管道用于废气收集；收集缓冲罐用于废气的混合均流；过滤器用于过滤废气中的颗粒物；膜回收工艺单元用于回收废气中的有机溶剂；吸附单元用于净化经过膜回收工艺单元后仍未达到环保排放要求的废气。本申请通过收集管道、收集缓冲罐、过滤器、膜回收工艺单元和吸附单元的依次连接，实现了对废气的高效回收和处理，该装置不仅提高了废气的处理效率，而且降低了处理成本，实现了经济效益和环境效益的双赢。

Claims

1. A waste gas recovery treatment device characterized by comprising: Including those connected sequentially: A collection pipe for collecting exhaust gas; A collection buffer tank is provided for mixing and equalizing the exhaust gas. A filter for filtering particulate matter from the exhaust gas; A membrane recovery process unit, wherein the membrane recovery process unit is used to recover organic solvents from the waste gas; An adsorption unit is used to purify waste gas that still fails to meet environmental emission requirements after passing through the membrane recovery process unit.

2. The exhaust gas recovery processing device according to claim 1, characterized by The membrane recycling process unit includes: A membrane recovery fan, the input end of which is connected to the filter; A primary condenser, the input end of which is connected to the output end of the membrane recovery blower; A gas-liquid separator, wherein the input end of the gas-liquid separator is connected to the output end of the first-stage condenser, and the gas-liquid separator has a first output end and a second output end; A membrane module, wherein the inlet end of the membrane module is connected to the first output end, and the outlet end of the membrane module is connected to the adsorption unit; A solvent recovery tank is connected to the second output terminal.

3. The exhaust gas recovery processing device according to claim 2, characterized by The bottom of the collection buffer tank is provided with a first drain valve, which is connected to the solvent recovery tank.

4. The exhaust gas recovery processing device according to claim 2, characterized by The membrane recovery process unit also includes a vacuum pump and a secondary condenser: the input end of the vacuum pump is connected to the membrane module, the output end of the vacuum pump is connected to the secondary condenser, and the secondary condenser is connected to the collection buffer tank.

5. The exhaust gas recovery processing device according to claim 2, characterized by The membrane module is provided in multiple ways, and the multiple membrane modules are arranged in parallel.

6. The exhaust gas recovery processing device according to any one of claims 2 to 5, characterized by The adsorption unit includes an adsorption buffer tank, an adsorption fan, an adsorption tank, and a chimney connected in sequence; the adsorption buffer tank is connected to the gas outlet of the membrane module; the adsorption tank is filled with adsorption material; and the chimney is used to discharge the gas that meets the standards.

7. The exhaust gas recovery processing device according to claim 6, characterized by The top of the adsorption tank is connected to a desorption pipe, which is used to input low-pressure steam into the adsorption tank to heat the adsorbent material.

8. The exhaust gas recovery treatment device according to claim 6, characterized by The adsorption unit further includes an adsorption condenser and a solution recovery tank. The adsorption condenser is connected to the bottom of the adsorption tank. The adsorption condenser has a condensation output end and a non-condensation output end. The condensation output end is connected to the solution recovery tank, and the non-condensation output end is connected to the input end of the adsorption buffer tank.

9. The exhaust gas recovery treatment device according to claim 6, characterized by The adsorption unit also includes a drying fan, which is connected to the adsorption tank and is used to dry the moisture in the adsorption tank.

10. The exhaust gas recirculation handling device according to any one of claims 7 to 9, characterized in that The adsorption tank is provided in multiple ways, and the multiple adsorption tanks are arranged in parallel.

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