Mokhoa oa ho kenya Pipe ea Khase ea HDPE ka nepo?

Polyethylene (HDPE) peipi ea khase e fetohile thepa ea khetho bakeng sa mekhoa ea ho fana ka khase ka lebaka la ts'ebetso ea eona e babatsehang le moruo. Joaloka moetsi ea ka sehloohong oa lipeipi tsa khase tsa PE Chaena, ha re fane feela ka lihlahisoa tsa boleng bo holimo tse fihlelang maemo a machaba, empa hape fana ka OEM (tlhahiso ea thepa ea mantlha) le ODM (tlhahiso ea pele ea moralo) litšebeletso ho bareki ba rona ho fihlela litlhoko tse fapaneng tsa 'maraka oa lefats'e.

Ea pele, melemo ea mantlha ea Pipe ea Khase ea HDPE:

1. Ho hanyetsa kutu le bophelo bo bolelele

   Lisebelisoa tsa PE li na le khanyetso ea tlhaho ho kutu ea lik'hemik'hale le kutu ea electrochemical, haholo-holo e loketseng metsi, tikoloho ya mobu wa acid-alkali. Ha ho bapisoa le lipeipi tsa tšepe tsa setso, bophelo ba eona ba tšebeletso bo ka fihla ho feta 50 lilemo, 'me litšenyehelo tsa tlhokomelo li ka fokotsoa ka ho feta 60%.

2. Ho feto-fetoha ha maemo ho phahameng le ho hanyetsa tšusumetso

Nako e telele nakong ea khefu ea pipeline ea PE e feta 350%, e ka kgonang ho hanela deformation e bakiloeng ke ho dula ha motheo kapa tshisinyeho ya lefatshe. Tshebetso e ntse e tsitsitse tlas'a mocheso o feteletseng oa -60 ℃ ho ea ho 40 ℃.

3. Kaho e bobebe ebile e bonolo

The density ke feela 1/8 ea phala ea tšepe, 'me katleho ea lipalangoang le ho kenya e ntlafalitsoe haholo. Tšebeliso ea theknoloji ea ho qhibiliha e chesang kapa ea fusion ea motlakase, ha ho hlokahale lisebelisoa tse rarahaneng tsa welding, lebelo la kaho le ile la eketseha ka 30%-50%.

4. Tšireletso le polokeho ea tikoloho

Ha ho na lintho tse kotsi tse hlahisoang ts'ebetsong ea tlhahiso, le 100% recyclable/. Lerako le ka hare la pipeline le boreleli, khanyetso ea phallo ea khase e nyane, mme kotsi ya ho dutla e tlase haholo, e kopanang le EU EN 1555 le China GB 15558 litekanyetso.

Ea bobeli, Ts'ebetso ea ho kenya Pipe ea Khase ea HDPE

1. Tokisetso pele ho ho kenya

Moralo oa moralo: Rala tataiso ea phaephe ho latela phallo ea khase, boemo ba khatello (joalo ka SDR11/SDR17) le maemo a sebaka, qoba litšitiso tse ka tlas'a lefatše, le ho etsa bonnete ba hore botebo bo patiloeng ke ≥ 0.8m (tsela) kapa ≥ 0.6m (tselana ya tsela).

Kamohelo ea lintho tse bonahalang: hlahloba ponahalo ea phaephe (ha ho mengwapo, bubble), setifikeiti se khethehileng (ho kenyelletsa le index ea ho qhibiliha ha lintho tse tala, tlaleho ea tlhahlobo ea nako ea oxidation induction), le sampole bakeng sa teko ea matla a hydrostatic (80℃/165h).

Koetliso ea basebetsi: Basebeletsi ba kaho ba hloka ho tšoara setifikeiti sa ts'ebetso ea lipeipi tsa PE, tseba mochine o chesang o qhibilihisang taolo ea mocheso (220℃±10℃) le maemo a khatello (khatello ea ho monya mocheso 0.15MPa, khatello ea ho phomola 0.02MPa).

2. Ho epolloa ha foro le kalafo ea motheo

Ha ho epolloa ka mochini ho sebelisoa, 20cm manual cleaning layer is reserved at the bottom of the trench to ensure the base is smooth.

Lay 10cm thick sand cushion layer on rock or hard ground to prevent pipe scratches.

3. Pipe laying and connection

A.Hot melt butt (DN≥90mm) :

  1. Milling the end face to flat, the amount of misalignment < 10% botenya ba lebota.

  2. The heating plate temperature is set at 210℃-230℃, and the heating time is calculated according to the wall thickness ×10 seconds /mm.

  3. Maintain constant pressure at the endothermic stage, switch time ≤5 seconds, cooling time ≥ wall thickness ×1min/mm.

B.Electric fusion connection (DN≤315mm) :

  1. Scrape off the oxide layer and mark the insertion depth clearly.

  2. Set the voltage (usually 36V-48V) according to the resistance value of the fuse sleeve, and the welding time is automatically calibrated.

Quality inspection: the flanging height should reach 1/3 of the wall thickness of the tube, and the electric melting observation hole should be pushed out.

4. Pressure test and backfill

The strength test (1.5 times the working pressure, 4h pressure regulation) and the tightness test (1.15 times the working pressure, 24h pressure drop ≤1%) are carried out in sections.

Backfill using lamination compaction method, each layer thickness ≤20cm, the initial backfill using fine sand to protect the pipeline.

The scientific installation of Polyethylene (HDPE) Gas Pipe is the core link to ensure gas safety, and choosing a Chinese pipes and fittings manufacturer with leading technology can better obtain the triple advantages of cost, quality and service.

Mofani

Luoyang Datang Energy Tech Co., Ltd. ke moetsi ea hloahloa le morekisi oa liphaephe le lisebelisoa. Re fana ka liphaephe tsa PPR, Liphaephe tsa PVC, Liphaephe tsa PE, le liphaephe tsa ho futhumatsa fatše le lisebelisoa tsa mefuta eohle ea liphaephe, ka boleng bo holimo le litheko tsa tlholisano. Haeba u na le lipotso mabapi le liphaephe le li-fittings, ka kopo o seke oa qeaqea ho iteanya le rona. U ka tobetsa sehlahisoa ho ikopanya le rona.