Heat insulation method for vacuum heat insulation copious cooling pressure container

Abstract

The invention provides a heat insulation method for a vacuum heat insulation copious cooling pressure container.An inner container body of the vacuum heat insulation copious cooling pressure container is wrapped by heat insulation quilts to form a heat insulation structure, the heat insulation quilts comprise the end cover heat insulation quilt and the cylinder heat insulation quilt, and the heat insulation structure is formed sequentially through heat insulation quilt prefabricating and heat insulation quilt binding; heat insulation quilt prefabricating is achieved through the steps that firstly, a reflecting screen of a heat insulation material and a spacing material are composited layer by layer in an alternate and spaced mode to form heat insulation units; secondly, the composited heat insulation units are composited into heat insulation blocks according to the layer number requirements; lastly, tying bands used for binding are fixedly connected to the heat insulation blocks; heat insulation quilt binding is achieved through the steps that cylinder heat insulation quilt binding is firstly completed, and then end cover heat insulation quilt binding is completed.According to the method, segmented operation of the heat insulation quilts can be easily achieved, the manufacturing and binding efficiency of the heat insulation material is improved, the risks that the heat insulation material is damaged and polluted are relieved or even avoided, and waste of the heat insulation material is reduced to the maximum limit.

Description

technical field [0001] The invention relates to the technical field of heat insulation of vacuum heat-insulated cryogenic pressure vessels, in particular to a heat insulation method of vacuum heat-insulated cryogenic pressure vessels. Background technique [0002] There are two main insulation methods for vacuum insulation cryogenic pressure vessels: vacuum powder insulation and high vacuum multilayer insulation. For the vacuum powder insulation method, that is, the insulation material is filled in the interlayer of the container, generally filled with expanded perlite (pearlite), and vacuumized to the specified requirements. This type of insulation method is simple to process and manufacture, and the technology for filling insulation materials is relatively mature. And stable, and the requirements for the vacuum degree of the interlayer of the container are not very high, the vacuum is easy to obtain, and it is generally used in vertical vacuum insulation cryogenic pressure...

AI Technical Summary

Problems solved by technology

From the initial compounding of the thermal insulation material to the final wrapping of the copper wire mesh, many operations are required in the middle, and they are basically done by hand, which leads to a long wrapping time, and the thermal insulation material is also prone to moisture During the process, the insulation material is easily damaged and polluted

In addition, due to the randomness of the existing manual wrapping process, the amount of thermal insulation materials is generally 130% to 140% of the theoretically calculated amount. Therefore, the waste coefficient of thermal insulation materials is relatively large

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