Metal bellows and finned bellows in the internal combustion engine cooler application, in the gasoline and diesel engine cooler shell or cooling core between the two tube plate installation of 1-1000 with intermittent convex-concave metal bellows, the use of tube expansion method, welding method, etc., will be fixed on one end of the tube plate, so that the flow state of the cooling medium to change, to achieve to improve the heat transfer coefficient, increase the heat transfer efficiency. Increase heat transfer efficiency. The invention is novel in conception, practical in process, inexpensive in cost, reliable in performance, high in heat transfer efficiency, non-scaling, long in life, and small in thermal stress.
Bellows mainly include metal bellows, corrugated expansion joints, corrugated heat exchanger tubes, diaphragm diaphragm boxes and metal hoses. Metal bellows is mainly used to compensate the thermal deformation of pipeline, shock absorption, absorption of pipeline settlement deformation, etc. It is widely used in petrochemical, instrumentation, aerospace, chemical, electric power, water conservancy, metallurgy and other industries. Plastic and other materials such as bellows in the medium of transportation, power threading, machine tools, home appliances and other fields have an irreplaceable role.
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