Insulation fixed bracket: The main function of the baffle in the fixed bracket is to divide the long insulation pipe section into several independent spaces, to prevent the occurrence of high temperature caused by the leakage, which can cause large-scale carbonization of the organic insulation layer and fail its insulation performance. The new fixed bracket effectively solves the problem of thermal bridge due to the principle of "cutting, aging, and resistance". At the same time, the fixed bracket is reliable in operation, convenient in processing and production, and does not increase costs much.
1."Cutting "means cutting off the insulation pipe at an appropriate position, thereby cutting off the thermal bridge and preventing heat transfer.
2."Aging" refers to the use of the principle of temperature attenuation to significantly reduce the temperature at the connection between the casing and the additional casing, thereby eliminating the influence of temperature on the anti-corrosion layer and interface, enabling the anti-corrosion layer to work reliably and preventing the heat shrink band from falling off.
3."Resistance" refers to the use of the insulation performance of insulation materials to wrap around the surface of the working pipe, the outer sleeve of the compensator, and the steel sleeve, blocking the radiation and convective transfer of heat, in order to reduce the impact of high temperature on the low temperature surface.
Insulation fixed bracket is a pipe fitting that can increase the insulation temperature, which is often used in people's daily life and has been widely accepted and used.
Insulation fixed brackets are usually installed in insulation pipelines. Due to the high pressure generated by insulation pipelines, the fixed joints play a role in fixing the pipeline and preventing displacement. It can also compensate insulation pipelines based on the principle of thermal expansion and contraction to ensure their normal and unobstructed operation. The insulation fixed joint has the characteristics of efficient insulation, waterproofing, anti-corrosion, insulation, and easy and fast construction.
Prefabricated directly buried thermal insulation fixed joint is composed of internal seamless steel pipe, rigid polyurethane foam plastic insulation layer and external protective shell. Among them, seamless steel pipes are adopted according to the technical requirements of the conveying medium, which can be seamless steel pipes or welded steel pipes. The thermal insulation layer is made of rigid polyurethane foam, which has high hardness, excellent thermal insulation performance and waterproof performance. The outer protective shell is mostly made of high-density polyethylene or fiberglass, which has good anti-corrosion performance and mechanical strength.
In addition, the prefabricated directly buried insulation fixed bracket also has a leakage alarm line. When a leakage occurs in a certain part of the pipeline, the alarm line can send an alarm through a dedicated detection instrument, and display the accurate location and degree of leakage, so that maintenance personnel can quickly find and repair it.
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