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高密度聚乙烯(HDPE)增强缠绕管的相关介绍

作者: laobingguandao    来源:http://www.laobingguandao.com  时间:2020-09-15    人气:
高密度聚乙烯(HDPE)增强缠绕管,是一种内壁光滑,外壁为螺形状加强肋,由螺旋缠绕工艺制成的异形结构壁管材,属柔性管材。其采用高密度聚乙烯为原料,在热熔状态下通过缠绕成型工艺制成,并在热态未脱模前,通过滚动风冷方式冷却,管道逐步散热,壁厚均匀。HDPE缠绕增强管采用承插式电熔连接,管道两端在生产时被加工成承口和插口,并在承口端嵌入电熔丝,在管道连接时,只需接入电源即可完成焊接,并且可以使管道系统实现零渗漏。
High density polyethylene (HDPE) reinforced winding pipe is a kind of special-shaped structure wall pipe made by spiral winding process with smooth inner wall and spiral shaped reinforcing rib on the outer wall. It is made of high density polyethylene (HDPE) by winding process in hot melt state. Before demoulding in hot state, it is cooled by rolling air cooling. The pipe gradually dissipates heat and the wall thickness is uniform. HDPE winding reinforced pipe adopts socket type electric fusion connection. Both ends of the pipe are processed into socket and socket during production, and electric fuse is embedded in the socket end. When connecting the pipe, the welding can be completed only by connecting the power supply, and the pipeline system can realize zero leakage.
管道运输及贮存注意事项 
Precautions for pipeline transportation and storage
管材、管件在装卸过程中,不得受剧烈撞击、摔碰和重压。
During the loading and unloading process, pipes and fittings shall not be subjected to severe impact, falling and heavy pressure.
管径口径较小,且重量较轻的管材,可由人工卸载;管径口径较大的管材及管件,需用机械装卸,管材上两吊点应在距离管两端约1/4管长处。

Pipes with small diameter and light weight can be unloaded manually; pipes and fittings with larger diameter and diameter should be loaded and unloaded by machinery, and the two lifting points on the pipe should be about 1 / 4 of the pipe length from both ends of the pipe.
车、船底部与管材、管件接触处应尽量平坦,并应有防止滚动和互相碰撞的措施,不得接触尖锐锋利物体,以免划伤管材,管件。
The contact between the bottom of the vehicle and the pipe and pipe fittings shall be flat as far as possible, and measures shall be taken to prevent rolling and collision. Sharp and sharp objects shall not be contacted to avoid scratching the pipe and pipe fittings.
贮存时,应将管材,管件存放在平整,远离热源的场地。直径小于2m的,堆放高度应在2m以下;直径超2m的,其堆放高度不得超过其外径。
The pipe fittings shall be kept away from heat source when stored. If the diameter is less than 2m, the stacking height shall be less than 2m; if the diameter is more than 2m, the stacking height shall not exceed the outer diameter.
技术要点
Technical points
(1)开挖沟槽
(1) Trenching
①应严格控制基底高度,严禁超挖,基底设计标高在0.2-0.3米以上的浮土要人工清理至设计标高。如果局部超挖或发生摇动,可换填粒径10-15mm天然级配的砂石或中、粗砂并夯实。
① The height of the base should be strictly controlled and over excavation is strictly prohibited. The floating soil with the design elevation of 0.2-0.3m above the base should be manually cleaned up to the design elevation. In case of local overbreak or shaking, natural graded sand and gravel with particle size of 10-15mm or medium and coarse sand can be replaced and compacted.
②沟槽底部如有块石、碎石、砖等物体时,应铲除到设计标高以下0.2米,并应配上天然级配砂石料,面层铺上砂土夯实;槽底不得受水浸泡或受冻。
② If there are block stones, crushed stones, bricks and other objects at the bottom of the trench, they should be removed to 0.2m below the design elevation, and natural graded sand and gravel should be added, and the surface course should be paved with sand and compacted; the bottom of the trench should not be soaked in water or frozen.
③雨季施工,应尽可能缩短开槽长度,做到成槽快,回填快。一旦发生泡槽,应将水排除,把基底受泡软化的表层土清除,换填砂石料或中、粗砂,做好基础处理,再下管安装。
③ During the construction in rainy season, the length of trench should be shortened as far as possible to achieve fast trenching and backfilling. In case of blister, the water shall be drained, the surface soil softened by blister shall be removed, sand and gravel or medium and coarse sand shall be replaced, foundation treatment shall be done, and then pipe installation shall be conducted.
 
(2)下管安装
(2) Installation of down pipe
①下管可用人工或起重机进行。要保持管身平衡均匀溜放到沟槽内,严禁将管材由槽边翻滚入槽内。
① Pipe laying can be carried out manually or by crane. To keep the pipe body balanced and evenly slide into the groove, it is strictly prohibited to roll the pipe from the groove edge into the groove.
②管材长短的调整,可用电锯切割,但端面应垂直平整,不应有损坏,然后将管材按上述方法连接起来。
② The length of pipe can be adjusted by electric saw, but the end face should be vertical and flat without damage, and then the pipe should be connected according to the above method.
 
 
(3)按管道连接方式的标准连接管道
(3) Connect pipes according to the standard of pipe connection mode
 
 
(4)回填
(4) Backfill
客道安装与铺设完毕后回填。回填之前必须将沟槽内的杂物清理干净,并应先从管线、检查井等构筑物两侧对称回填,应确保管线及构筑物不产生位移。管道两侧及管顶以上0.5m内的回填上,不得含有碎石、砖块、冻土块及其他杂硬物体。管道敷设后,需立即修筑高等级路面或其他要求路面。对于回填土密实度的要求要符合厂家提供的有关技术规程或规范。
After the installation and laying of passenger road, backfill. Before backfilling, the sundries in the trench must be cleaned up, and the pipelines, inspection wells and other structures shall be backfilled symmetrically on both sides, and the storage lines and structures shall not be displaced. The backfill on both sides of the pipeline and within 0.5m above the pipe top shall not contain gravel, brick, frozen soil block and other miscellaneous hard objects. After the pipeline is laid, high grade pavement or other required pavement shall be built immediately. The requirements for the compactness of backfill soil shall meet the relevant technical specifications or specifications provided by the manufacturer.

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