How is the prefabricated direct buried insulation pipe insulated in the pipeline factory? Why do you know about low consumption and environmental protection?
Release time:
Jul 18,2022
How is prefabricated direct buried insulation pipe insulated in pipeline factory? Do you know?
In fact, in winter, people often use hot water, which needs to be transported through the insulation pipe. The insulation effect of prefabricated direct buried insulation pipe of pipeline factory is mainly applied in the following aspects:
1. The actual insulation of the prefabricated directly buried insulation pipe is not only more advanced than the traditional trench and overhead pipeline laying technology, but also more practical; the important thing is that the prefabricated directly buried insulation pipe has good insulation performance and reliability. Another important point is that the project cost is low and can solve the problem well. Urban central heating is mostly at a high temperature of 130-600 degrees, so the use of pipeline factory prefabricated buried insulation pipe insulation waterproof.
2. Nowadays, prefabricated direct buried insulation pipe has been widely used in the construction of pipeline network for liquid and gas transportation by construction manufacturers, and it is used more and more frequently in major petrochemical engineering projects. It is a common and commonly used insulation pipe, which is closely related to our daily life, such as the heating pipe network of central heating, the ventilation pipe of air conditioning, etc. A pipe elbow is a fitting used to change the direction of a pipe. The main materials of prefabricated insulation pipe elbow are cast iron, stainless steel, non-ferrous metals and plastics.
3. In many pipeline insulation systems, the external foam is used, which can be firmly bonded with various materials, which solves the problem of bonding between the insulation layer and the anti-corrosion layer of the directly buried pipeline. The directly buried insulation layer adapts to high temperature and can further improve the high temperature performance of the pipeline according to customer requirements!
The prefabricated thermal insulation steel pipe of pipeline factory is composed of high-density polyethylene outer maintenance layer, rigid foam plastic pipe and steel pipe. The construction cost of the insulation pipe is low, the area is small, and the construction speed is fast. The insulation pipe is energy-saving, anti-corrosion, good insulation performance and long service life. In addition, the insulation pipe is equipped with a leakage alarm line, which is very safe. Once a leak occurs somewhere in the pipeline, through the conduction of the alarm line, the accurate location and leakage degree of the leakage of the insulation pipeline can be displayed on the special detector table, so as to inform the leak detection personnel to deal with the leaking pipe section sensitively and ensure the safe operation of the heating pipe network.
The reasons for the low consumption and environmental protection of prefabricated thermal insulation steel pipes in pipeline factory are as follows:
(1) Thermal insulation steel pipe Working steel pipe: According to the technical requirements of the conveying medium, seam steel pipe, seamless steel pipe and double-sided submerged arc welding spiral welded steel pipe are selected respectively.
(2) thermal insulation steel pipe insulation layer: choose rigid foam.
(3) insulation steel pipe protective shell: choose high density polyethylene or glass steel.
(4) Insulated steel pipe leakage alarm line: When manufacturing high-temperature insulated steel pipes, an alarm line is buried in the insulation layer near the steel pipe. Once a pipeline leaks, through the conduction of the alarm line, an alarm can be issued on the special detector, and the exact location and degree of the leak can be displayed, so as to notify the maintenance personnel to sensitively deal with the leaking pipe section to ensure the safe operation of the heat network. Preformed into a certain wall thickness of black or yellow polyethylene plastic pipe. Its function is to protect the insulation layer from mechanical hard objects, and its function is anti-corrosion and waterproof.
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