The main applications of semi-welded plate heat exchangers are as follows: 1. Petrochemical industry. Semi-welded plate heat exchangers are widely used in the crude oil distillation, cracking, and synthesis processes of the petrochemical industry to exchange heat for high-temperature and high-pressure process fluids, achieving heat recovery and functional conversion. 2. Power generation industry. Semi-welded plate heat exchangers are used in the heat exchange systems of thermal power plants and nuclear power plants to exchange heat for high-parameter steam and process water, achieving energy conversion and improving system efficiency. 3. Papermaking industry. Semi-welded plate heat exchangers are used in the cooking, bleaching, and drying processes of the papermaking industry to exchange heat for high-concentration materials and moisture, achieving the reuse of resources and energy. 4. Food industry. Semi-welded plate heat exchangers are used in the cooking, sterilization, drying, and refrigeration processes of the food industry to exchange heat for high-concentration materials and moisture, achieving continuous production between various processes of food processing. 5. Pharmaceutical industry. Semi-welded plate heat exchangers are used in the extraction, distillation, sterilization, and drying processes of the pharmaceutical industry to exchange heat for high-concentration medicinal liquids, solvents, and moisture, meeting GMP standards and sterile requirements. 6. Special industries. Semi-welded plate heat exchangers are used in high-temperature nuclear reactors, space power supplies, and other special industries to exchange heat for special process fluids such as liquid metals and high-concentration corrosive media, meeting the requirements for use under special conditions. 7. Customized design. Semi-welded plate heat exchangers can provide customized heat exchange solutions and equipment according to the specific process requirements and parameters of users, meeting the needs of non-standard process heat exchange. Semi-welded plate heat exchangers, with their strong high-temperature and high-pressure bearing capacity, high heat exchange efficiency, and reliable use, have been widely used in the heat recovery and functional conversion of large-scale industries and are key equipment for the comprehensive utilization of energy and resources. Relevant enterprises should continuously improve product precision and performance. Develop customized products to meet personalized needs. Strengthen technological innovation capabilities and launch differentiated new products. Strengthen marketing and promotion and explore international markets. In industrial development, more attention should be paid to cost control, improving operational management levels, and leveraging economies of scale. In addition to policy support, industry standard construction should also be promoted, and technical exchanges within the industry should be strengthened. Closely cooperate with upstream and downstream industries to jointly promote the coordinated development of the industrial chain.