Technological innovations in the heat exchanger industry in terms of energy conservation and emission reduction are mainly concentrated in the following aspects: 1. New rapid heat exchange technology and equipment: New surface coatings and heat exchange elements developed by the Institute of Science and Technology of Dalian University of Technology, Through structural optimization, the goals of enhanced heat transfer, energy conservation, utilization of low-grade heat sources and miniaturization of heat exchange equipment are achieved. For example, the new fluorocarbon surface coating has rapid heat transfer, corrosion prevention and scale resistance properties, and can be widely used in a variety of working conditions, including seawater desalination, sewage treatment, flue gas waste heat recovery and other fields.

The technological innovation of the heat exchanger industry in terms of energy conservation and emission reduction mainly focuses on the following aspects:

1. New rapid heat exchange technology and equipment: New surface coatings and heat exchange elements developed by the Institute of Science and Technology of Dalian University of Technology have achieved enhanced heat transfer, energy conservation, utilization of low-grade heat sources and compact heat exchange equipment through structural optimization. The goal. For example, the new fluorocarbon surface coating has heat transfer efficiency, corrosion resistance and scale resistance, and can be widely used in a variety of working conditions, including seawater desalination, sewage treatment, flue gas waste heat recovery and other fields.

2. Research and development of heat exchangers for supercritical CO2 cycle power generation systems: With the support of the R & D plan of relevant departments, the Institute of Engineering Thermophysics, China Academy of Sciences has carried out research on heat transfer flow characteristics in response to the drastic changes in physical parameters of CO2 near the critical point or quasi-critical point, and developed a new segmented heat exchanger design method, which improves heat transfer performance and overcomes engineering problems.

3. Energy-saving technology of evaporative condensers: The evaporative condenser developed by Luoyang Longhua Refrigeration Equipment Co., Ltd. uses water film evaporation on the outside of the pipes to cool and condense the working medium in the pipes through mass transfer and heat transfer, improving equipment efficiency and achieving the goal of saving water, electricity and energy.

4. Ultrasonic online descaling technology: Through the propagation of ultrasonic pulse oscillating waves on the walls of heat exchanger tubes and plates, a high-speed micro-vortex effect is generated, which effectively prevents the adhesion of dirt, improves the heat transfer capacity of heat exchange equipment, and reduces energy consumption.

5. High-flux heat exchanger products: The high-flux heat exchanger jointly developed by East China University of Science and Technology, Wuxi Chemical Equipment Co., Ltd. and Yangzi Petrochemical has greatly increased the production capacity of the plant and reduced the energy consumption of petrochemical equipment.

6. Energy-saving and high-efficiency multi-stream wound heat exchanger: New tube winding tooling is used to wind the pipe system, which improves heat exchange efficiency, saves space, and reduces costs.

7. New graphite evaporator: The ultra-large round block hole graphite evaporator developed by Hebei Shenzhou City Tiancheng Graphite Products Co., Ltd. has the characteristics of high compressive strength, good heat transfer effect, and strong corrosion resistance. It is an ideal equipment for energy conservation and emission reduction in industrial production in chemical and other industries.

These technological innovations demonstrate the positive progress of the heat exchanger industry in improving energy efficiency, reducing energy consumption and accelerating environmental protection.