High temperature direct buried steel sleeve steel insulated steel pipe for thermal steam pipeline supports customized drawings

Description :

　　With the rapid development of insulation pipeline technology, the production technology of insulation pipes has evolved from polyurethane insulation pipes to insulation layers that can accommodate different types of better high-temperature and waterproof insulation products. For example, steel sleeve insulation pipes can be used to place a variety of high-temperature resistant insulation products in their insulation layer. Due to their excellent high-temperature and water resistance, more and more people are choosing steel sleeve insulation pipes. However, there are also two types of steel sleeve insulation pipes, namely inner sliding type and outer sliding type. How to choose these two different types of steel sleeve insulation pipes? 1. The external sliding insulation structure consists of a working steel pipe, a glass wool insulation layer, an aluminum foil reflection layer, a sliding bracket, an air insulation layer, an external protective steel mesh, and an external anti-corrosion layer. The internal sliding insulation structure consists of a working steel pipe, a working hole calcium silicate inorganic insulation layer, a stainless steel fastening steel strip, a high-temperature resistant and flame-retardant aluminum foil reflective layer, a hard polyurethane organic insulation layer, an outer steel pipe, and an outer anti-corrosion layer.

　　What are the differences and advantages between internal sliding and external sliding of steel insulated pipes with steel sleeves? The advantages and disadvantages of the internal sliding type and the external sliding type are as follows: (1) The internal structures of the two methods are different, and there are rolling supports inside the external sliding steam pipe, resulting in the generation of thermal bridges; Internal movement without rolling bracket, no thermal bridge generated. Compared to the external sliding type, the internal sliding type has better insulation during the transmission process of the medium. (2) Due to the difference in seismic resistance of the insulation layer, external sliding will not cause insulation layer breakage caused by pipeline vibration, as the service life varies; Internal movement can cause insulation layer breakage due to pipeline vibration. In this regard, the service life of the external sliding type is relatively longer than that of the internal sliding type. (3) The temperature resistance is different. The insulation material for external sliding is generally glass wool, which can withstand temperatures up to 538 degrees, while the insulation layer for internal sliding is generally calcium silicate tile, which can withstand temperatures up to 650 degrees.

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• Steel sleeve steel insulation steel pipe