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保温钢管的作用：
保温钢管的作用：
Function of thermal insulation steel pipe:
一：高温预制直埋保温管是一种具有良好的保温性能、安全可靠、工程造价低的直埋预制保温管，它解决了城市集中供热中130℃-600℃的高温热裸管末端的保温、滑动润滑和防水问题，高温预制直埋保温管具有先进的技术和实用的性能。与传统的沟渠和架空铺设管道相比，具有明显的社会和经济效益，这是加热和节能的有力措施。
1： High temperature prefabricated directly buried insulation pipe is a kind of directly buried prefabricated insulation pipe with good thermal insulation performance, safety and reliability, and low engineering cost. It solves the problems of heat preservation, sliding lubrication and waterproof at the end of 130 ℃ - 600 ℃ high-temperature bare heat pipe in urban central heating. The high-temperature prefabricated direct buried insulation pipe has advanced technology and practical performance. Compared with the traditional ditch and overhead laying pipeline, it has obvious social and economic benefits, which is a powerful measure of heating and energy saving.
二：由于聚氨酯硬质泡沫保温层与钢管的外层紧密结合。因此隔离了空气和水的渗透，可以起到良好的防腐作用，同时，它的气泡被封闭并且吸水率小。高密度聚乙烯外壳和玻璃纤维增强塑料外壳具有良好的防腐，保温和机械性能，因此，工作钢管的外层难以受到外部空气和水的腐蚀。
Two: as the rigid polyurethane foam insulation layer is closely combined with the outer layer of the steel tube. Therefore, the separation of air and water penetration, can play a good anti-corrosion effect, at the same time, its bubble is closed and the water absorption rate is small. High density polyethylene (HDPE) and glass fiber reinforced plastic (GFRP) shells have good corrosion resistance, thermal insulation and mechanical properties. Therefore, the outer layer of working steel pipe is difficult to be corroded by external air and water.
Function of thermal insulation steel pipe:
一：高温预制直埋保温管是一种具有良好的保温性能、安全可靠、工程造价低的直埋预制保温管，它解决了城市集中供热中130℃-600℃的高温热裸管末端的保温、滑动润滑和防水问题，高温预制直埋保温管具有先进的技术和实用的性能。与传统的沟渠和架空铺设管道相比，具有明显的社会和经济效益，这是加热和节能的有力措施。
1： High temperature prefabricated directly buried insulation pipe is a kind of directly buried prefabricated insulation pipe with good thermal insulation performance, safety and reliability, and low engineering cost. It solves the problems of heat preservation, sliding lubrication and waterproof at the end of 130 ℃ - 600 ℃ high-temperature bare heat pipe in urban central heating. The high-temperature prefabricated direct buried insulation pipe has advanced technology and practical performance. Compared with the traditional ditch and overhead laying pipeline, it has obvious social and economic benefits, which is a powerful measure of heating and energy saving.
二：由于聚氨酯硬质泡沫保温层与钢管的外层紧密结合。因此隔离了空气和水的渗透，可以起到良好的防腐作用，同时，它的气泡被封闭并且吸水率小。高密度聚乙烯外壳和玻璃纤维增强塑料外壳具有良好的防腐，保温和机械性能，因此，工作钢管的外层难以受到外部空气和水的腐蚀。
Two: as the rigid polyurethane foam insulation layer is closely combined with the outer layer of the steel tube. Therefore, the separation of air and water penetration, can play a good anti-corrosion effect, at the same time, its bubble is closed and the water absorption rate is small. High density polyethylene (HDPE) and glass fiber reinforced plastic (GFRP) shells have good corrosion resistance, thermal insulation and mechanical properties. Therefore, the outer layer of working steel pipe is difficult to be corroded by external air and water.
