I-HDPE Heat Insulation Pipe Extrusion Line

Incazelo emfushane:

Ipayipi lokufakelwa kwe-PE libizwa nangokuthi ipayipi lokuvikela langaphandle le-PE, ipayipi lejakhethi, ipayipi lomkhono.Ipayipi lokufakwa kwe-polyurethane eligqitshwe ngokuqondile lenziwe ngepayipi lokufakwa kwe-HDPE njengongqimba olungaphandle oluyisivikelo, igwebu eliqinile le-polyurethane eligcwele phakathi lisetshenziswa njengongqimba lwempahla yokufaka, kanti ungqimba lwangaphakathi yipayipi lensimbi.Ipayipi le-polyure-thane elingcwatshwe ngokuqondile linezinto ezinhle zemishini kanye nokusebenza kokushisa okushisayo.Ngaphansi kwezimo ezijwayelekile, ingamelana nezinga lokushisa eliphezulu lika-120-180 °C, futhi ifanelekela amaphrojekthi ahlukahlukene abandayo nashisayo abandayo nashisayo amapayipi okushisa aphansi naphansi.

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I-HDPE Heat Insulation Pipe Extrusion Line

Ukusebenza nezici

Ulayini wokukhiqiza ipayipi lokufakelwa uklanywe ngesikhunta esikhethekile sepayipi lokufakelwa kwe-PE, ingcindezi ye-extrusion izinzile, futhi ubukhulu bepayipi elinezindonga ezincane buyiyunifomu.Isivinini se-extrusion siyashesha, okukhiphayo kohlobo olushaywayo kuthuthukiswa kakhulu, indawo engaphezulu iyakhanya, futhi ukusebenza okuzenzakalelayo kuphezulu.

Ipayipi le-HDPE ipayipi lepulasitiki eliguquguqukayo elenziwe nge-thermoplastic high-density polyethylene esetshenziselwa kabanzi uketshezi olunezinga lokushisa eliphansi kanye nokudluliswa kwegesi.Ezikhathini zamuva nje, amapayipi e-HDPE athole ukusetshenziswa kwawo okubanzi ekuphatheni amanzi aphuzwayo, imfucumfucu eyingozi, amagesi ahlukahlukene, udaka, amanzi omlilo, amanzi emvula, njll. Isibopho esiqinile samangqamuzana ezinto zamapayipi e-HDPE ayasiza ukuthi asetshenziselwe amapayipi anengcindezi ephezulu.Amapayipi e-polyethylene anomlando omude futhi ohlukile wesevisi yegesi, uwoyela, izimayini, amanzi, nezinye izimboni.Ngenxa yesisindo sayo esiphansi kanye nokumelana nokugqwala okuphezulu, imboni yamapayipi e-HDPE ikhula kakhulu.Ngonyaka ka-1953, u-Karl Ziegler no-Erhard Holzkamp bathola i-high-density polyethene (HDPE).Amapayipi e-HDPE angasebenza ngendlela egculisayo ebangeni lokushisa elibanzi elingu--2200 F kuya ku-+1800 F. Nokho, ukusetshenziswa kwamapayipi e-HDPE akuphakanyiswa lapho izinga lokushisa loketshezi lidlula i-1220 F (500 C).

Amapayipi e-HDPE enziwa yi-polymerization ye-ethylene, umkhiqizo wamafutha.Izithasiselo ezihlukahlukene (izinza, izigcwalisi, izinto zepulasitiki, izinto ezithambisayo, okothambisa, okombala, izinqamuli zomlilo, izinto ezifuthayo, ama-crosslinking, izithasiselo ezibolayo ze-ultraviolet, njll.) zengezwa ukuze kukhiqizwe ipayipi nezingxenye zokugcina ze-HDPE.Ubude bepayipi le-HDPE benziwa ngokushisisa i-resin ye-HDPE.Khona-ke ikhishwa nge-die, enquma ububanzi bepayipi.Ukujiya kodonga lwepayipi kunqunywa inhlanganisela yosayizi wokufa, isivinini sesikulufu, kanye nesivinini sikagandaganda wokudonsa.Ngokuvamile, u-3-5% wekhabhoni emnyama yengezwa ku-HDPE ukuze ikwazi ukumelana ne-UV, eshintsha amapayipi e-HDPE abe mnyama ngombala.Ezinye izinhlobo zemibala ziyatholakala kodwa ngokuvamile azisetshenziswa njalo.Ipayipi le-HDPE elinombala noma elinemigqa ngokuvamile liyi-90-95% yezinto ezimnyama, lapho umugqa onemibala unikezwa ku-5% wendawo yangaphandle.

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