Method and device for welding thin-wall micropipes of fluoroplastic heat exchanger
A technology of fluoroplastic heat exchanger and plastic thin wall, which is applied to the welding device for realizing the above method, the production of fluoroplastic (FEP) heat exchanger, and the production of fluoroplastic (FEP) heat exchanger that can be melt-processed. It can solve the problems of complicated and time-consuming welding procedures, and achieve the effects of protecting health, reducing welding processing costs, and strong operability
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[0037] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0038] As can be seen from the accompanying drawings, the present invention relates to a welding method for thin-walled microtubes of fluoroplastic (FEP) heat exchangers, using a metal bath as a heat carrier to heat fluoroplastic thin-walled microtubes, placing a welding mold in the metal bath, and The tubes are placed in the welding mold, so that the thermal expansion of the fluoroplastic end plate in the welding mold is hindered, and the radial pressure is superimposed on the pressure of the thermal expansion of the expansion core inserted in the fluoroplastic thin-walled microtube, so that the fluoroplastic end plate in the molten state The tubes composed of fluoroplastic thin-walled microtubes are fused together under pressure to achieve the purpose of welding.
[0039] Further, the process of the metal bath welding method comprises the following st...
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