Installation structure convenient for disassembling and assembling expansion joint of heat transfer casing
An installation structure and technology for expansion joints, which are applied to expansion compensation devices for pipelines and protect pipelines and pipes through thermal insulation, can solve problems such as difficulty in installation and disassembly of expansion joints, and achieve inconvenient installation and disassembly, and easy installation and disassembly. and maintenance and replacement, the effect of reducing thermal stress and force
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[0019] Such as figure 1 , figure 2 with image 3 As shown, the present invention is an installation structure that facilitates the disassembly and assembly of the thermowell expansion joint. There is an expansion joint inner tube 1 with a smaller diameter in the expansion joint outer tube 3 with a larger diameter, and an expansion joint inner tube 1 outside the expansion joint. The thermal insulation cotton layer 9, the thermal insulation cotton layer 9 coats the expansion joint intermediate pipe 2, in order to absorb the thermal expansion of the inner and outer expansion joints, there is a gap between the expansion joint inner pipe 1 and the expansion joint intermediate pipe 2. The hot fluid conveyed by the inner pipe of the heat transfer pipe system flows in the inner pipe 1 of the expansion joint, and the cold fluid returned by the heat transfer pipe system flows in the annular space between the middle pipe 2 of the expansion joint and the outer pipe 3 of the expansion jo...
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