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Composition of thermal insulation steel pipe

Date:2020-06-23    Reading count:663

The composition of thermal insulation steel pipe:


1. External protective steel pipe: protect the insulation layer from groundwater erosion, support the working pipe and withstand a certain external load, and ensure that the working pipe works normally.


2. Anti-corrosion layer: protect the outer steel pipe from corrosive materials and prolong the service life of the steel pipe.


3. Drag reduction layer: to ensure the free movement of the working steel tube during thermal expansion and contraction.


4. Polyurethane foam layer: ensure the temperature of the medium and the surface of the outer protective tube to maintain normal temperature.


5. Barrier and reflection layer: ensure that the organic foam material does not enter the inorganic hard high temperature resistant layer; part of the heat of the reflective high temperature resistant layer.


6. Working steel pipe: ensure the normal flow of the conveying medium.


7. Inorganic hard insulation layer: High temperature resistance, to ensure the interface temperature with the organic insulation layer, to ensure that the foam is not carbonized.


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