一种压缩、冷凝、膜分离的废气回收系统
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU DADONG TECH CO LTD
- Filing Date
- 2025-08-20
- Publication Date
- 2026-07-17
AI Technical Summary
这些废气若未经有效处理直接排放，不仅会对大气环境造成严重污染，危害人体健康，还会导致宝贵的资源白白流失
系统整合压缩冷凝、膜分离与树脂吸附技术，形成阶梯式处理流程。先通过碱洗加水洗的方式去除废气中的酸性污染物质，压缩冷凝单元对高浓度可凝性有机气体进行初步回收，预冷器与冷凝器的协同作用降低后续处理负荷；分离膜组件使不凝气能够穿过，通过富集提浓后回到喷液螺杆压缩机，复叠，再次进行压缩冷凝单元，具有较好的处理效果，而不凝气中含有的有机气体通过树脂吸附单元深度净化，使尾气经深度处理后达标排放，降低对环境的影响。
Smart Images
Figure CN224506686U_ABST
Abstract
Claims
1. A compressed, condensed, membrane separated waste gas recovery system characterized by, The system includes a pretreatment unit, a compression and condensation unit, and a resin adsorption unit. The pretreatment unit includes an alkaline washing tower (1) and a water washing tower (2). The outlet of the alkaline washing tower (1) is connected to the inlet of the water washing tower (2). The compression and condensation unit includes a filter (3), a liquid-injecting screw compressor (4), a gas-liquid separator (5), a precooler (6), a condenser (7), and a storage tank (8) connected in sequence. The first gas outlet of the precooler (6) is connected to a separation membrane assembly (9), and the second gas outlet of the condenser (7) is connected to the precooler (6). The separation membrane assembly (9) is connected to the filter (3) through a circulation pipe (10), and the separation membrane assembly (9) is connected to the resin adsorption unit.
2. The waste gas recovery system based on compression, condensation, and membrane separation according to claim 1, characterized in that, The resin adsorption unit includes three resin adsorption towers (11), all of which are connected to a separation membrane assembly (9). Two of the resin adsorption towers (11) are used for gas adsorption, and the other resin adsorption tower (11) is used for desorption and backup.
3. A compressed, condensed, membrane-separated waste gas recovery system according to claim 2, wherein, The resin adsorption tower (11) is filled with a high-performance resin with selective adsorption as an adsorbent.
4. A compressed, condensed, membrane-separated waste gas recovery system according to claim 2, wherein, The resin adsorption towers (11) are all connected to the steam pipes (13) via branch pipes (12).
5. A compressed, condensed, membrane-separated waste gas recovery system according to claim 4, wherein, The discharge pipe of the resin adsorption tower (11) is connected to a heat exchanger, the heat exchanger is connected to an oil-water separator, and the aqueous phase of the oil-water separator is connected to a buffer tank.
6. The waste gas recovery system based on compression, condensation, and membrane separation according to claim 1, characterized in that, An explosion-proof pressure sensor is installed on the pipeline between the filter (3) and the liquid injection screw compressor (4).