Main components:
Carrier steel pipe: According to the requirements of the conveying medium, seamless steel pipes, spiral steel pipes, and straight seam steel pipes can be used.
Insulation layer: rigid polyurethane foam
Casing pipe: using high density polyethylene or fiberglass
Alarm line: When manufacturing pre insulated thermal insulation pipe, there is an alarm line buried in the insulation layer near the steel pipe. Once a leakage occurs in a certain part of the pipeline, through the conduction of the alarm line, it can be alarmed on a dedicated detection instrument and display the accurate location and degree of leakage, in order to notify maintenance personnel to quickly handle the leaking pipe section and ensure the safe operation of the heating network.
How to choose high-quality polyethylene outer protective pipe of pre insulated thermal insulation pipes:
Firstly, high-quality polyethylene outer protective pipes should have high density and uniform wall thickness, which helps to provide strong mechanical strength and corrosion resistance, ensuring that the pipeline can resist external factors during transportation, installation, and use.
Secondly, the coefficient of friction is also an important indicator. A smaller friction coefficient means better lubrication, which helps reduce fluid resistance in pipelines and improve conveying efficiency.
In addition, chemical stability is also a key factor in evaluating the quality of polyethylene outer protective pipes. High quality polyethylene outer protective pipes should be able to resist the erosion of various chemicals and maintain long-term stable performance.
Meanwhile, considering practical application scenarios, polyethylene outer protective pipes should also have excellent insulation performance, compressive strength, and durability. This helps to reduce energy losses, extend the service life of pipelines, and improve the overall operational efficiency of the system.
Finally, attention needs to be paid to the production process and quality control of polyethylene outer protective pipes. Legitimate manufacturers will adopt advanced production processes and strict quality control standards to ensure the performance and quality of their products.
The following are three application cases of pre insulated thermal insulation pipes for Tangshan Xingbang Pipeline:
1. Hebei Province Heating Pipeline Network Project: In this project, pre insulated thermal insulation pipes produced by Tangshan Xingbang Pipeline were used for heating pipelines. Multiple specifications of DN200-DN600 polyurethane directly buried insulation pipes were selected to meet the heating needs of the city. These insulation pipes have excellent insulation performance and durability, resisting the challenges of complex climate conditions in the city, and ensuring the stability and efficiency of heating.
2. Large enterprise steam pipeline project in Liaoning Province: The enterprise has chosen the steel sleeve steam insulation pipe produced by Tangshan Xingbang Pipeline. The insulation pipe is composed of internal and external steel pipes, polyurethane foam insulation layer and polyester fiber mesh, which has high thermal insulation effect and good compression resistance. During the construction process, this type of insulation pipe is easy to install and has a long service life, reducing maintenance costs for enterprises and improving energy utilization efficiency.
3. Northeast urban water supply network renovation project: In this project, PE anti-corrosion pipes produced by Tangshan Xingbang Pipeline were used. These pipelines have excellent corrosion resistance and environmental performance, and can maintain good water pressure and flow rate in various complex environments. In addition, these pipelines have strong water resistance, reducing water leakage and losses, reducing maintenance costs, and improving the efficiency of water resource utilization.
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