Insulation steel pipeline can be anticorrosive jacket steel pipeline and also loaded in between the steel pipe and the jacket of ultrafine glass woollen make-up, can also be constructed from graphite, silicon calcium tile shell and polyurethane foam loaded with steel sleeve steel insulation steel pipeline. It not only has a solid anti-corrosion, water-proof and also impermeability, yet additionally has the features of high temperature as well as high pressure resistance.
It has a broad applications, can be made use of in the enterprise warmth resource, nuclear power plant vapor transmission, plant vapor pipe, and so on. The cathodic defense of hidden shielded steel pipe is a kind of electrochemical defense method in the process of metal anticorrosion. The electrode potential of metal body can be secured from negative activity by using existing to the protective steel matrix. This is the transition of the metal tool from an atomic state to an ionic state, developing a spontaneous pattern. It basically regulates the generation of decay, however the process takes place in an electrolyte, so it is really suitable for cathodic security of straight buried steel tubes.
Structure of steel sleeve insulation pipe:
1. Anticorrosion layer: shield the outside steel pipeline from corrosion, can extend the life span of the steel pipeline
2. External steel pipe: secure the insulation layer from groundwater disintegration, to guarantee the regular operation of WLDSTEEL the pipeline.
3. Glass wool insulation layer and also air insulation layer: make sure that the surface area of the outer security tube is kept at normal temperature level.
4. Aluminum foil reflective layer: mirror component of the heat of the heat resistant layer to ensure that the organic foam product does not get in the not natural 5.
Inorganic hard insulation layer: to make sure the interface temperature level with the organic insulation layer, to make certain that the foam is not carbonized.
6. Stainless steel attaching belt and moving guide bracket.
Ensure that the thermal development and also chilly contraction activity of the functioning steel pipe is not limited.
7. Base steel pipeline: it can guarantee the regular flow of the conveying tool.
Advantages of protected steel pipe.
1 Good thermal insulation performance, safe and also trustworthy, inexpensive, straightforward building as well as maintenance, long service life, can transfer a range of media. It fixes the issues of hot bare pipe end, moving lubrication and waterproofing at heat of 130 ℃ -600 ℃ in city main home heating.
2. The polyurethane foam insulation layer and the outer layer of the steel pipeline are carefully fitted, which not only isolates the air, however also isolates the infiltration of water. The bubbles are closed and also the water absorption rate is small, which plays an excellent function in anti-corrosion. At the same time, the polyethylene shell and the glass fiber strengthened plastic covering have great anti-corrosion, thermal insulation and mechanical homes. Therefore, the external surface of the base steel pipe will not be worn away by air and water vapor, which lengthens the service life of the pipe.
3 Insulation steel pipe can not only prompt water discharge, but likewise can be used as a signal pointer for daily procedure. Pipeline thermal compensation will be carried out utilizing premium bellows compensators set up directly into the case, getting rid of the requirement for an observation well. Additionally, the construction is convenient, the building and construction duration is short, suitable for communicating 2.5 Mpa, heavy steam or other media below 350 ℃.