Yanshan Xingsong Steel Pipe Co

Advantages of Xingsong Steel-Insulated Steel Pipes (Manager Wang
) The structure of steel-insulated steel pipes is pipe-in-pipe, and the structural types are divided into internal sliding and external sliding. /> Pipe-in-pipe insulation pipe
????There is still a lot of room for selection of the intermediate insulation layer, because there are many kinds of domestic insulation materials, including microporous calcium silicate, glass wool shell, and hot-pressed perlite. , silicon bead insulation materials, composite silicate, polyurethane foam, etc., both the insulation pipe structure and the insulation materials need to be carefully selected. In the field of development and application of directly buried steam pipelines, our country is not lagging behind developed countries. In thermal insulation calculations, the thermal conductivity coefficients of soil and insulation materials cannot be selected carelessly. Whether the selection of these two coefficients is correct or not often affects the insulation effect and pipeline operation safety. The thermal conductivity of soil ranges from 1 to 3, with a wide range. Its size is related to various factors such as soil type, moisture content, chemical composition, and burial conditions.
Xingsong Steel Pipe Watermark
Steel-Sheathed Steel Insulated Steel Pipe
External Sliding Structure, External Sliding Structure Since there is an air layer between the insulation layer and the outer protective pipe, the pipeline will be immersed in water during transportation. It can be discharged during the gradual pipe heating process, so it is more suitable for areas with abundant rainfall and high water levels.
The external sliding structure can be transformed into a vacuum structure as needed.
, The pipeline is divided into multiple relatively independent parts at the fixed piers, and a moisture drainage pipe is set up between the two fixed piers, which can eliminate moist gases.
The external sliding structure is based on steel Designed with the idea of trenches in mind, the elbows can be fully utilized for natural compensation, which reduces the cost and reduces the thrust force of the fixed pier.