A dichloroethane tail gas recovery device
The dichloroethane tail gas recovery device, which utilizes liquid nitrogen condensation and ethylene glycol solution recycling, solves the problems of low dichloroethane recovery efficiency and high energy consumption in existing technologies, achieving efficient recovery and environmentally friendly treatment.
CN224345649UActive Publication Date: 2026-06-12QINGDAO GOLD HISUN ENVIRONMENT PROTECTION EQUIP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO GOLD HISUN ENVIRONMENT PROTECTION EQUIP
- Filing Date
- 2025-07-16
- Publication Date
- 2026-06-12
AI Technical Summary
⚠Technical Problem
Existing dichloroethane recovery technologies are inefficient and energy-intensive, especially for low-concentration dichloroethane.
⚗Method used
Dichloroethane is condensed into a liquid using liquid nitrogen condensation. The liquid is then systematically connected through a waste gas buffer tank, a pre-cooling heat exchanger, an intermediate cooling heat exchanger, a cryogenic heat exchanger, and an activated carbon adsorption tank. Combined with the recycling of ethylene glycol solution, this achieves efficient recovery and treatment.
🎯Benefits of technology
It achieves efficient recovery of dichloroethane and meets emission standards for exhaust gas, resulting in significant economic and environmental benefits, avoiding ice blockage, and improving energy efficiency.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224345649U_ABST
Abstract
The utility model relates to a dichloroethane tail gas recovery device, including waste gas buffer jar (1), precooling heat exchanger (2), middle cold heat exchanger (3), cryogenic heat exchanger (4), fan (5), activated carbon adsorption jar (6) and exhaust cylinder (7), waste gas buffer jar (1) import connection dichloroethane tail gas inlet gas pipeline, export connection precooling heat exchanger (2) hot side gas phase import, precooling heat exchanger (2) gas phase export connection middle cold heat exchanger (3) hot side gas phase import, middle cold heat exchanger (3) gas phase export connection cryogenic heat exchanger (4) hot side gas phase import, cryogenic heat exchanger (4) gas phase export connection middle cold heat exchanger (3) cold side gas phase import, cold side import connection liquid nitrogen pipeline, middle cold heat exchanger (3) cold side gas phase export is connected exhaust cylinder (7) through fan (5) and activated carbon adsorption jar (6). It is high in recovery efficiency, simple in treatment process, energy -conserving and environmental protection, has remarkable economic benefits and ecological benefits.
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