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保温管性能指标

来源:http://www.sdhpgy.com 日期:2018-11-20 发布人:admin
保温管性能指标
Insulation pipe performance index
高温预制直埋保温管主要由四部分组成。
The high temperature prefabricated directly buried insulation pipe is mainly composed of four parts.
1.作业钢管:根据输送介质的技能要求分别选用有缝钢管、无缝钢管、双面埋弧螺旋焊接钢管。
1. Operating steel pipes: According to the technical requirements of conveying media, seamless steel pipes, double-sided submerged arc spiral welded steel pipes are selected.
2.保温层:选用硬质聚氨酯泡沫塑料。
2. insulation: rigid polyurethane foam.
3.维护壳:选用高密度聚乙烯或玻璃钢。
3. maintenance shell: use high-density polyethylene or FRP.
4.渗漏报警线:制造高温预制直埋保温管时,在接近钢管的保温层中,埋设有报警线,一旦管道某处发生渗漏,经过警报线的传导,便可在专用检测仪表上报警并显示出漏水的精确方位和渗漏程度的巨细,以便通知检修人员迅速处理漏水的管段,保证热网安全运行。
4. Leakage alarm line: When manufacturing high-temperature prefabricated directly buried insulation pipe, an alarm line is embedded in the insulation layer near the steel pipe. Once leakage occurs somewhere in the pipeline and is transmitted by the alarm line, it can alarm on the special detection instrument and show the precise direction of leakage and the magnitude of leakage, so as to notify the maintenance personnel quickly. Treatment of leaking pipes ensures the safe operation of heat supply network.
济南保温管
保温管由于聚氨酯硬质泡沫保温层严密地粘结在钢管外皮,隔绝了空气和水的进入,能起到杰出的防腐作用。一起它的发泡孔都是闭合的,吸水性很小。高密度聚乙烯外壳、玻璃钢外壳均具有杰出的防腐、绝缘和机械性能。因而,作业钢管外皮很难遭到外界空气和水的侵蚀。只需管道内部水质处理好,据国外材料介绍,高温预制直埋保温管的使用寿命可达50年以上,比传统的地沟敷设、架空敷设使用寿命高3~4倍。
The insulation pipe is tightly adhered to the outer skin of the steel pipe because of the rigid polyurethane foam insulation layer, and the air and water entry can be isolated. Its foaming hole is closed and its water absorbency is very small. The HDPE housing and FRP shell have excellent anticorrosive, insulation and mechanical properties. Therefore, the outer skin of the steel pipe is difficult to be eroded by external air and water. According to foreign materials, the service life of high-temperature prefabricated direct-buried insulation pipe can reach more than 50 years, which is 3-4 times longer than that of traditional trench laying and overhead laying.
5.占地少,施工快,有利环境维护。
5. less land occupation, faster construction and better environmental protection.
直埋供热管道不需要砌筑庞大的地沟,只需将保温管埋人地下,因而大大减少了工程占地,减少土方开挖量约50%以上,减少土建砌筑和混凝土量90%。一起,保温管加工和现场挖沟平行进行,只需现场接头,能够缩短工期约50%以上。
Directly buried heating pipelines do not need to build huge trenches. They only need to bury thermal insulation pipelines underground, which greatly reduces the construction area, reduces the amount of earthwork excavation by more than 50%, and reduces the amount of civil masonry and concrete by 90%. Together, the heat preservation pipe processing and site trenching are carried out in parallel, only the site joints are needed, which can shorten the construction period by more than 50%.
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This article is organized by Shandong Hipper Pipe Technology Development Co., Ltd. http://www.sdhpgy.com. We will provide you with new knowledge of Jinan insulation pipe. Interested friends can pay attention to us. Thank you!

热销产品:   聚氨酯保温钢管厂家 济南保温管 黑夹克直埋式直缝钢管

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