uchwepheshe wepayipi

Iminyaka eyi-15 Yokukhiqiza

Ipayipi le-PE liyethulwa

I-PE yipulasitiki ye-polyethylene, amapulasitiki ayisisekelo, izikhwama zepulasitiki, ukugoqwa kwepulasitiki, njll. Ukubukeka kwe-HDPE yoqobo kumhlophe okobisi, ngezinga elithile lokuguquguquka esigabeni esincanyana. I-PE inokumelana okuhle kakhulu namakhemikhali amaningi asendlini nawezimboni.

Ipayipi le-PE linepayipi le-polyethylene eliphakathi nendawo kanye nepayipi eliphakeme le-polyethylene. Ihlukaniswe nge-SDR11 ne-SDR17.6 uchungechunge ngokusho kobukhulu bodonga. Eyokuqala ilungele ukuthutha igesi yokufakelwa enegesi, igesi yemvelo nophethiloli wegesi onamanzi, kuyilapho eyokugcina isetshenziselwa ukuhambisa igesi yemvelo. Uma kuqhathaniswa nepayipi lensimbi, inqubo yokwakha ilula, inokuguquguquka okuthile, okubaluleke kakhulu akusetshenziselwa ukwelashwa okulwa nokugqwala, kuzogcina izinqubo eziningi. Ukungalungi kwemishini akukuhle njengepayipi lensimbi, ukwakhiwa kokunakwa okukhethekile ekuphepheni kwesikhala sokushisa okushisa, futhi akukwazi ukuvezwa emoyeni elangeni, nokuzwela kumakhemikhali, ukuvimbela ukuvuza kokonakala kwepayipi lendle .

Imakethe yamapayipi kamasipala waseChina, ipayipi lepulasitiki likhula ngokuqinile, i-PE tube, i-PP-R tube, i-UPVC tube inendawo, phakathi kwabo umfutho wokuqina oqinile we-PE tube yiwona odonsa amehlo kakhulu. Ipayipi le-PE lisetshenziswa kabanzi. Ipayipi lendle nepayipi legesi yizimakethe zayo ezimbili ezinkulu zokufaka isicelo.

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Ipayipi elihle akufanele libe nomnotho omuhle kuphela, kepha futhi kufanele libe nochungechunge lwezinzuzo ezifana nokuqina okuzinzile nokuthembekile, ukumelana nomthelela, ukumelana nokuqhekeka, ukumelana nokuguga nokumelana nokugqwala.

Izinzuzo zohlelo lwe-HDPE piping:

1. Ukuxhumeka okunokwethenjelwa: uhlelo lwepayipi le-polyethylene lixhunywe ngokushisa kagesi, futhi amandla ejoyini aphezulu kunamandla omzimba wepayipi.

2, ukumelana nomthelela wokushisa okuphansi kuhle: izinga lokushisa eliphansi lokufakwa kwe-polyethylene liphansi kakhulu, futhi lingasetshenziswa ngokuphepha ngaphakathi kwebanga lokushisa elingu -60-60 ℃. Ekwakhiweni kwasebusika, ipayipi ngeke liqhekeke ngenxa yokumelana okuhle kwento.

I-3, ukumelana okuhle kokuqhekeka kwengcindezi: I-HDPE inokuzwela okuphansi kwe-notch, amandla aphezulu we-shear kanye nokumelana okuhle kakhulu kokuqala, ukumelana nokucindezela kwemvelo nakho kuvelele kakhulu.

4, ukumelana nokugqwala kwamakhemikhali okuhle: Ipayipi le-HDPE lingamelana nokugqwala kwezinhlobonhlobo zemidiya yamakhemikhali, ukuba khona kwamakhemikhali enhlabathini ngeke kubangele ukonakala kwepayipi. I-Polyethylene iyi-insulator kagesi, ngakho-ke ngeke ibole, i-rust noma i-electrochemical corrosion; Futhi ayikukhuthazi ukukhula kwe-algae, amabhaktheriya noma isikhunta.

5, ukumelana nokuguga, impilo ende yokusebenza: ipayipi le-polyethylene eliqukethe ukusatshalaliswa okungu-2-2.5% kwekhabhoni emnyama kungagcinwa ngaphandle noma kusetshenziselwe iminyaka engama-50, ngeke konakaliswe yimisebe ye-ultraviolet.

6, gqoka ukumelana: Ukumelana kokugqoka kwepayipi le-HDPE nokuhlolwa kokuqhathanisa ipayipi lensimbi kukhombisa ukuthi ukumelana kokugqoka kwepayipi le-HDPE kuphindwe kane kunepayipi lensimbi. Ekuthuthweni kodaka, amapayipi e-HDPE anikela ngokumelana nokugqoka okungcono uma kuqhathaniswa namapayipi wensimbi, okusho ukuthi impilo yokusebenza isikhathi eside kanye nomnotho ongcono.

7. Ukuzivumelanisa nezimo okuhle: UKUGQIBEKA nezimo kwepayipi le-HDPE kwenza kube lula ukugoba, futhi izithiyo zingadlulwa ngokushintsha ukuqondiswa kwepayipi kwezobunjiniyela. Ezimweni eziningi, ukuguquguquka kwepayipi kunganciphisa inani lokufakwa kwepayipi futhi kunciphise izindleko zokufaka.

8. Ukumelana nokugeleza okuphansi: Amapayipi e-HDPE anendawo ebushelelezi yangaphakathi kanye ne-coefficient yeManning engu-0.009. Ukusebenza okubushelelezi nezimpawu ezinganamatheli zamapayipi e-HDPE kuqinisekisa umthamo wokulethwa ophakeme kune-tubing evamile, ngenkathi kunciphisa ukulahleka kwengcindezi nokusetshenziswa kwamanzi.

I-9, kulula ukuyiphatha: Ipayipi le-HDPE lilula kunepayipi likakhonkolo, ipayipi lashukumisa nensimbi yensimbi, kulula ukuyiphatha nokuyifaka, izidingo zabasebenzi nezinsiza kusebenza eziphansi, kusho ukuthi izindleko zokufaka iphrojekthi zinciphile kakhulu.

I-10, izindlela ezahlukahlukene zokwakha ezintsha: Ipayipi le-HDPE linezindlela ezahlukahlukene zobuchwepheshe bokwakha, ngaphezu kwendlela yendabuko yokwemba engasetshenziselwa ukwakhiwa, ingasebenzisa futhi ubuchwepheshe obusha obungenanjongo obufana ne-pipe jacking, imishini yokuqondisa, i-liner, ngesimo sepayipi nokwakhiwa, kwabanye akuvumeli amasayithi okumba, ukuphela kwento, ngakho-ke izinkambu zohlelo lokusebenza ezibanzi zepayipi le-HDPE.

 


Isikhathi Iposi: Sep-30-2021