The application of metal bellows and finned bellows in the internal combustion engine cooler is to install 1-1000 metal bellows with intermittent convex and concave metal corrugated tubes in the casing of the steam-diesel engine cooler or between the two tube plates of the cooling core. Expanding method, welding method and other methods fix it on one end of the tube sheet, so that the flow state of the cooling medium is changed to increase the heat transfer coefficient and increase the heat transfer efficiency. The invention has novel ideas, practical process, low cost, reliable performance, high heat transfer efficiency, no scaling, long service life and small thermal stress.
1. According to the actual working pressure of the hose, check the nominal diameter of the corrugation and the pressure gauge to determine whether to use the stainless steel mesh type.
2, the size of the hose nominal diameter, the choice of joint type (mainly flanged, threaded, quick joint connection) and size, hose length.
3, the state according to the state of the hose when using, refer to the correct use and installation method of the metal hose and the optimal length of the hose in the settlement compensation. The length calculation of the various movement states of the hose and the minimum bending times of the hose and The minimum bending radius and other factors, the parameters are correctly selected hose length, and installed correctly.
4. The working temperature and range of the medium in the temperature hose; the ambient temperature when the hose is working. At high temperatures, the operating pressure temperature correction factor at the high temperature of the metal bellows shall be determined to determine the pressure after the temperature correction to determine the correct pressure rating.
5. The chemical properties of the medium conveyed in the medium hose are determined according to the corrosion resistance parameter table of the hose material to determine the material of each part of the hose.
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