Manufacturing method for environmental friendly thermal insulation material used in low-temperature pipe

Abstract

The invention relates to the technical field of thermal insulation material, and particularly to a manufacturing method for an environmental friendly thermal insulation material used in a low-temperature pipe. The manufacturing method is characterized by comprising the following steps soaking waste mortars and waste plastics in an acidic solution, washing using clear water, filtering, drying, and grinding the clean and dried waste mortars and waste plastics into sand powder and plastic powder; respectively putting the sand powder and the plastic powder into industrial circuits to melt at a high temperature to form fluids, and forming a sand fiber and a plastic fiber using a spinner, modifying asphalt, putting the asphalt into an industrial circuit to melt at a high temperature to form a fluid, and forming an asphalt fiber using a spinner; uniformly mixing the sand fiber, the plastic fiber and the asphalt fiber, gathering the fibers using a gatherer to form an thermal insulation cotton, and making the thermal insulation cotton into a thermal insulation material in a needed form. The thermal insulation material can insulate, is moderate in intensity, and has certain toughness and corrosion resistance.

Description

Technical field: [0001] The invention relates to the technical field of thermal insulation materials, and more specifically relates to a production method of an environmentally friendly thermal insulation material used in low-temperature pipelines. Background technique: [0002] In the process of gas production, it is necessary to use pipelines to transport low-temperature fluids, and while transporting fluids, it is necessary to keep the temperature of the fluids stable. Therefore, thermal insulation materials are laid outside the fluid transportation pipelines for heat insulation and protection. Thermal insulation materials generally use silicon-aluminum thermal insulation materials (including expanded perlite, mineral wool, expanded vermiculite, slag wool, glass fiber and rock wool). Movement is hindered, and these materials themselves have good thermal insulation properties, so insulation materials can effectively prevent convection and conduction heat transfer, but the ...

AI Technical Summary

Problems solved by technology

Thermal insulation materials generally use silicon-aluminum thermal insulation materials (including expanded perlite, mineral wool, expanded vermiculite, slag wool, glass fiber and rock wool). The movement is hindered, and these materials have good thermal insulation properties, so the insulation material can effectively prevent convection and conduction heat transfer, but the insulation materials made of these materials are more expensive