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大口徑PE管常見問題匯總,Z全版

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大口徑PE管常見問題匯總,Z全版

發布日期:2022-01-19 作者: 點擊:

問:大口徑PE管塑料管材職業前景怎么?
答:現在中國塑料管材的年增長率已達15%,居世界第一位?!笆濉睍r期,塑料管材職業估計到2020年產量超越1600萬噸,涉水商品仍是首要運用領域;塑料管材在各類資料管材中,市場占有率將超越55%。
Q: how large diameter PE pipe plastic pipe occupation prospects?
A: now China's annual growth rate of plastic pipe has reached 15%, ranking first in the world. "13th Five-Year" period, the plastic pipe occupation is estimated to 2020 output over 16 million tons, is still used in the first field of wading goods; plastic pipes in various types of data in the pipe, the market share will exceed 55%.
“十三五”時期,職業應在開展PVC、PE、PP等傳統資料管道商品的基礎上,加大改性、復合以及其它新資料的新式塑料管材及配套商品的研制,注重基礎科研工作,完善管道出產和運用技能,開發高性能、高附加值的管道商品,以拓寬新的運用領域。
"13th Five-Year" period, occupation should be based on the development of PVC, PE, PP and other traditional data pipeline goods, the development of new types of plastic pipes and supporting commercial modification, composite and other new materials increase, on the basis of scientific research, improve the production pipeline and the application of skills, the development of high performance, high value-added pipeline the commodity, to broaden the new application fields.
問:塑料管材職業PP-R、PP-B、PP-C、PP-HR、ABS、PB、PVC-U、PE-X、HDPE、MDPE、LDPE的意義?
Q: what is the meaning of plastic tubing for professional PP-R, PP-B, PP-C, PP-HR, ABS, PB, PVC-U, PE-X, HDPE, MDPE, LDPE?
答:三型聚丙烯管(PP-R);嵌段共聚聚丙烯管(PP-B);改性聚丙烯管(PP-C);均聚聚丙烯管(PP-HR);丙烯睛-丁二烯-苯乙烯管(ABS);聚丁烯管(PB);承壓硬聚氯乙烯管(PVC-U);交聯聚乙烯管(PE-X);高密度聚乙烯管(HDPE);中密度聚乙烯管(MDPE);低密度聚乙烯管(LDPE)。
Answer: three types of polypropylene pipe (PP-R); block copolymer of polypropylene pipe (PP-B); modified polypropylene pipe (PP-C); Homopolymer polypropylene pipe (PP-HR); acrylonitrile butadiene styrene (ABS) tube; polybutylene (PB); bearing hard polyvinyl chloride (PVC-U); crosslinked poly ethylene tube (PE-X); high density polyethylene pipe (HDPE); medium density polyethylene pipe (MDPE); low density polyethylene pipe (LDPE).
問:塑料管材和傳統管材的口徑稱謂有何不一樣?
Q: plastic pipe and traditional pipe diameter Title Why not?
答:傳統管材有3分、4分、6分;1寸、2寸、2寸半以及1/2英寸、3/8英寸、4/3英寸等稱號。新式塑料管材通常不這么稱號,而是直接用管徑尺度來斷定,如32、63、300、450等。某些管材也選用內外徑一起稱號,如鋁塑復合管的1216、1620等。
A: the traditional pipe has 3 points, 4 points, 6 points; 1 inches, 2 inches, 2 inches and 1/2 inches, 3/8 inches, 4/3 inches, etc.. The new plastic pipe is usually not so title, but directly with the pipe diameter to determine, such as 32, 63, 300, etc.. Some pipes are also used in the internal and external diameter of the title, such as aluminum composite pipe 1216, 1620, etc..
問: PE給水63級、80級、100級是怎樣區別的?為何63級的報價Z高?
Q: PE water level 63, level 80, level 100 is how to distinguish? Why is the highest price 63?
答:依據原資料在平等環境下的耐壓等級(首要選用靜液壓試驗斷定)并圓整后乘以10來區分的。例如某種資料的試驗壓力為9.99Mpa,通過圓整后乘以10就為100級。
Answer: according to the original data in the equal environment pressure levels (that first round selection and hydrostatic testing) multiplied by 10 to distinguish. For example, the test pressure of a certain material is 9.99Mpa, after the round by 10 multiplied by the level of 100.
等級越高,通常來說在平等的壓力適用管材上壁厚就越薄,63級商品因壁厚較厚,資料用量較多,故報價較高。

The higher the level, usually in the application of equal pressure on the wall thickness of the thinner, the 63 tier products because of thick wall thickness, the amount of data is more, so the higher the price.

大口徑PE管

問:啥是規范尺度比?
Q: what is the normative scale?
答:管材的公稱外徑與公稱壁厚的比值。
Answer: the ratio of nominal diameter and nominal wall thickness.
問:啥叫管材的圓度?
Q: what is the roundness of the pipe?
答:所謂圓度,即是任一封閉形狀的外接圓與此形狀的面積的差值,和此外接圓面積的比值。數值越小,闡明此形狀越挨近圓。關于管材來說,特別是大口徑的給水、排水管,對圓度都是有必定請求的,也即是咱們常說的管道看起來有些扁,可是如果在必定范圍內契合圓度請求時都應該是沒有問題的。
Answer: what is the difference of circle roundness, shape and the shape of any closed area, and the ratio of the area of the circle. The smaller the value, the closer the shape to the circle. A pipe, especially the water supply and drainage pipe of large diameter, roundness are a set of requirements, that is we often say that the pipeline looks flat, but if the fit of roundness in a certain range when the request should be no problem.
問:常說的5000次冷熱水試驗是啥意思?
Q: what do you mean by the 5000 hot and cold water test?
答:管材出廠前都必須通過十分嚴厲的質量檢查,其間5000次冷熱水是其間十分重要的一部分,首要目的是檢查管材和管件在惡劣情況下的運用性能。詳細是管材與管件銜接后通冷水15分鐘,冷熱水交流一次30分鐘為一個循環,總共進行5000次,看有無漏水和爆管景象。
A: before leaving the factory must pass a very strict quality inspection, during which the 5000 hot and cold water is a very important part of it, the primary purpose is to check the pipe and pipe fittings in the harsh conditions of the use of performance. After the tube and pipe connection is connected to the cold water for 15 minutes, cold and hot water exchange for a cycle of a total of 30 minutes, a total of 5000 times, to see if there is no leakage and explosion scene.
問:啥叫管道不開挖技能?首要技能計劃有那幾種?其經濟指標怎么?
Q: what is the pipeline trenchless skills? What are the primary skills? What are its economic indicators?
答:不開挖技能(TT)首要興起于石油、天然氣職業,首要用于油、氣管道的更新修正,今后逐漸運用于污水管及給水管的創新改造中,并跟著PE管等新式管材的運用而敏捷推行。其技能首要有:
Answer: (TT) the first excavation skills do not rise in oil and natural gas occupation, mainly used for oil and gas pipeline update, the future is gradually used in sewage pipe for water supply and innovation, and follow the new PE pipe using agile implementation. The main skills:
①管道在線修正創新技能——內襯管滑(拉)入襯裝、無縫襯裝、管道翻襯、管道噴涂襯裝;
On line correction innovative skills - liner sliding (pull) into the lining, seamless lining, pipe lining, pipe spray lining;
②在線管道更新技能——爆(碎)管襯裝;
On line pipeline renewal skill - burst (broken) pipe lining;
③非在線敷管技能——非定(導)鉆技能、定(導)鉆技能、頂管及微型地道施工技能。
Non online pipe laying skills - non - fixed (Guide) drilling skills, set (Guide) drilling skills, pipe jacking and micro tunnel construction skills.
不開挖管道一般技能經濟指標
General technical economic index of Trenchless Pipeline
項目典型施工速度(m/d)* 施工費用(以管徑為150mm為例)(元/m)
Typical construction speed of the project (m/d) * construction cost (take 150mm as an example) (yuan /m)
內襯管滑(拉)入襯裝 100 492
Liner slide (pull) into the lining 100492
無縫襯裝 60~120 740
Seamless lining 60 ~ 120740
管道翻襯 100~200 980~1 230
Pipe lining 100 ~ ~ 200980 ~ ~ 1230
管道噴涂襯裝 100 水泥砂漿噴涂:333環氧樹脂噴涂:492
Pipeline spray lining 100 cement mortar spraying: 333 epoxy resin spraying: 492
爆(碎)管襯裝 100 740
Burst (broken) tube lining 100740
注:*施工速度是在滿意8 h內使更新管道康復供水的條件下得出的,而不是由于技能自身的約束。
Note: * construction speed is achieved within 8 h of the renewal of the pipeline rehabilitation water supply conditions, rather than due to the constraints of their own skills.
問:現代建筑職業為何發起運用塑料管材?
Q: why is the use of modern construction profession plastic pipe?
答:1.塑料管材的技能現已老練。
Answer: 1 plastic pipe technology has been sophisticated.
2.塑料管道體系便于裝置和修理。
2 plastic piping system facilitates installation and repair.
3.塑料管道的流體運送才能比別的平等級管道體系的才能大,一起長期運用后不影響管道內壁摩阻系數,不會過大改變。
3 plastic pipeline fluid transport can be more than the level of the pipeline system can be large, long-term use does not affect the friction coefficient of the pipeline wall, will not change too much.
4.塑料管道體系耐腐蝕,抗老化,運用壽命長。
4 plastic piping system corrosion resistance, anti-aging, long service life.
5.塑料管道體系對環境不會形成過度破壞,歸于環保型體系。
5 plastic piping system will not form excessive damage to the environment.


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