高效低成本VOCs回收系统主要用于石油化工等领域的有机气体资源化回收治理。该系统分别采用了涡轮膨胀制冷技术和微通道深冷换热技术。涡轮膨胀制冷技术制冷温度低且效率高；微通道深冷技术能够显著提高换热效率，在压力仅降升高2~3倍的情况下，将Nu数提高6~8倍，回收率可达到99%以上，排放低于120mg/m3，同时可以降低系统能耗30%以上。

　　The efficient and low-cost VOCs recovery system is mainly used for organic gas resource recovery and treatment in fields such as petrochemicals. The system adopts both turbine expansion refrigeration technology and microchannel cryogenic heat transfer technology. Turbo expansion refrigeration technology has low refrigeration temperature and high efficiency; Microchannel cryogenic technology can significantly improve heat transfer efficiency. With only a 2-3 fold increase in pressure, the Nu number can be increased by 6-8 times, and the recovery rate can reach over 99%. The emissions are below 120mg/m3, and the system energy consumption can be reduced by more than 30%.

　　与传统的回收方式相比，本系统具有体积小、效率高、成本低、稳定性好等特点，且后期的运行维护成本远低于目前同类技术。高效低成本VOCs回收系统的实施有望突破传统回收方法适用范围窄、回收效率低、回收成本高的技术瓶颈，为实现VOCs回收装置大规模商业化应用提供可借鉴的技术基础，项目实施将产生巨大的环境效益、经济效益和社会效益。主要技术指标：1. 深冷后被净化的油气送至预冷段做预冷用2. 吸附剂吸附率可同比提高11.7％3. 回收率最高可达到99%，高于国家标准规定的95％4. 尾气浓度为50mg/m?，低于国家标准规定的120mg/m?5. 可实现冷能梯级利用

　　Compared with traditional recycling methods, this system has the characteristics of small size, high efficiency, low cost, and good stability, and the later operation and maintenance costs are much lower than current similar technologies. The implementation of an efficient and low-cost VOCs recovery system is expected to break through the technical bottlenecks of traditional recovery methods, such as narrow applicability, low recovery efficiency, and high recovery costs. It will provide a reference for the large-scale commercial application of VOCs recovery devices, and the project implementation will generate huge environmental, economic, and social benefits. Main technical indicators: 1 The purified oil and gas after deep cooling are sent to the pre cooling section for pre cooling purposes The adsorption rate of the adsorbent can be increased by 11.7% year-on-year The highest recovery rate can reach 99%, which is higher than the national standard of 95% Is the exhaust concentration 50mg/m? Is it lower than the national standard of 120mg/m? 5. It can achieve cascade utilization of cold energy

　　应用领域动力工程及工程热物理领域。高效VOCs回收系统通过涡轮膨胀制冷技术和微通道深冷技术，主要用于VOCs资源化回收利用。化工、印染、油漆、制药等行业对VOCs回收系统的需求十分迫切，市场容量约在1000亿以上。项目实施后，可以节约运行成本约30%。

　　Application fields include power engineering and engineering thermophysics. The efficient VOCs recovery system is mainly used for VOCs resource recycling and utilization through turbine expansion refrigeration technology and microchannel cryogenic technology. The demand for VOCs recovery systems in industries such as chemical, printing and dyeing, painting, and pharmaceuticals is extremely urgent, with a market capacity of over 100 billion yuan. After the implementation of the project, it can save about 30% of operating costs.

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