uchwepheshe wepayipi

Iminyaka eyi-15 Yokukhiqiza

China Ukwakha HDPE Electrofusion ipayipi nokufaka SDR11 SDR17 Pn10 Pn16

Incazelo emfushane:

Ukufakwa kwepayipi kagesi kufakwa ipayipi lepulasitiki (i-polyethylene) elingafakwa ukuxhuma ngamazinga okushisa akhiqizwa amandla kagesi. , kungamakwa kuphela inani lama-Amperes.


Imininingwane yomkhiqizo

Amathegi womkhiqizo

Ipayipi lokuhlangana kagesi le-PE kufaneleka

1. Ukuthuthukiswa kohlelo lwamapayipi e-PE

I-PE (i-polyethylene) uchungechunge lwezinhlobonhlobo ze-resin ezingakhiqizwa yizinqubo ezahlukahlukene, ezinezinhlaka nezakhiwo ezahlukahlukene nokusetshenziswa okuhlukahlukene. Isebenzise ingxenye eyodwa kwezintathu zokukhishwa kwenhlaka yokwenziwa komhlaba, ikleliswa kuqala Ukusetshenziswa kwamapayipi e-PE kwaqala ngawo-1940, ekuqaleni njengamakhondomu olayini bezingcingo nemisele yamayini ngaphandle kwengcindezi (amapayipi amancane e-PE) maphakathi nawo-1950, Amashubhu e-PE ayesetshenziselwa ukuhanjiswa kwamanzi (amashubhu aphezulu e-PE) .Phakathi kweminyaka yama-1960, amapayipi e-PE ayesetshenziselwa ukudluliswa nokusatshalaliswa kwegesi yemvelo (kwasetshenziswa amapayipi aphakathi nendawo aphezulu we-PE) .Okwamanje, uhlelo lwamapayipi e-PE selube ngemuva Ipayipi le-PVC-U, ukusetshenziswa kwepayipi lesibili ngobukhulu emhlabeni jikelele kwezinhlobonhlobo zamapayipi epulasitiki.Kusetshenziswa kakhulu ekuthuthweni kwegesi, ukuhanjiswa kwamanzi, indle, ukuchelela kwezolimo, izinkambu zikawoyela, izimayini, imboni yamakhemikhali kanye neposi nezokuxhumana ngocingo neminye imikhakha.

2. Izici zokufakwa kwepayipi kagesi kagesi we-PE

Ekuthengisweni kohlelo lwamapayipi e-PE, ukufaka isicelo, cishe okungu-15% ~ 20% wokuthengisa kwayo kungokufakwa kwamapayipi, uhlelo lwamapayipi e-PE lokufakwa kwamapayipi ikakhulukazi ahlukaniswe ngokufakwa okushisayo kwamapayipi nokufakwa okuhlanganisiwe okubili, ngenxa yentengo yenani lamapayipi ancibilikayo ashisayo ekusetshenzisweni kobunjiniyela kunokufakwa okuhlanganisiwe, kepha ipayipi elihlanganisiwe kwezobunjiniyela kanye nokunakekelwa kunendima yalo ebalulekile futhi engenakubuyiselwa endaweni, Ikakhulukazi ekwakhiweni, ukufakwa kwamapayipi kagesi kagesi akuthinteki kangako yimvelo yangaphandle nezici zabantu, ngakho ukuthembeka kungcono futhi Okudumile ngabasebenzisi, ikakhulukazi kubunjiniyela bepayipi legesi, kusetshenziswa ukufakwa kwamapayipi okuhlanganisiwe ngasikhathi sinye, ngenxa yobuchwepheshe bokukhiqiza obuyinkimbinkimbi, izindleko eziphakeme kanye nentengo ephezulu yokuthengisa yezilinganisi zamapayipi ahlanganisiwe, umkhawulo wenzuzo ye-fused ipayipi nokufakwa kwefektri nakho kuphezulu, futhi sekuyindawo eshisayo yokutshalwa kwezimali.

Ngasikhathi sinye, ngoba i-matrix yokufakwa kwepayipi okuhlanganisiwe yinto ye-PE, uhlelo lwamapayipi e-PE olwenziwe nge-PE pipe luxazulula izinkinga ezimbili ezinkulu zepayipi lendabuko: ukugqwala nokuvuza okuhlangene. ukumelana nokugqwala: impilo yenkonzo ende; (2) Akukho ukuvuza ejoyintini: ukusetshenziswa kogesi we-fusion pipe fittings connection, ngokuyisisekelo kuqinisekisa okubonakalayo kwesakhiwo kanye nesakhiwo se-PE pipe system kanye nobunikazi bomzimba wepayipi uqobo, ukufeza ukuhlanganiswa ngokuhlanganyela nepayipi; (3) Ingamelana ngempumelelo nokunyakaza komhlaba nomthwalo wokugcina: ngemuva kokuthi uhlelo lwamapayipi e-PE luxhunywe ngendlela yokushisela, ijoyini elisuselwe kule ndlela limelana nomthwalo wokuqeda, futhi akukho ukuvuza okuhlangene okuzokwenzeka. isikhathi, izakhiwo zokuphumula kwengcindezi ze-PE ziqeda ngempumelelo ukucindezeleka ngokusebenzisa ukusonteka, ngaleyo ndlela kuqedwe isidingo sokubambelela okubizayo emajoyini nasezinsikeni ezimweni eziningi.Ngaphezu kwalokho, ngenxa yokuqina kwayo okuphezulu nokunwebeka ngesikhathi sekhefu i-ally eyeqile ku-500%, uhlelo lwamapayipi e-PE lunokuguquguquka okuqinile kokuhlala okungalingani kwesisekelo sepayipi.

Izinyathelo Zokufaka Nokusebenzisa

1. Sika mpo ipayipi bese ufaka isokhethi endaweni yepayipi lepayipi likagesi lokuxhuma elifanele ukususa ungqimba lwe-oxide ebusweni ngesiraphu.

2. Yenza imigqa yokumaka ebusweni bepayipi ngepeni lokumaka ngokusho kwesokhethi lokulinganisa kwepayipi elihlanganisiwe.

3. Faka ipayipi kufayipi elilingana kahle lize lifinyelele ekujuleni kolayini wokumaka. Ngemuva kokufakwa, ulayini we-eksisi wepayipi uhlangana nokulingana kwepayipi lokuhlangana.

4. Amapayipi nokufakwa kwamapayipi kulungiswa ngomshini ukuvimbela ukuhlukaniswa nokuxegiswa enqubeni yokushisela

Izinto ezidinga ukunakwa

1. Ukungcola kwezinto eziphilayo kanye nezinye izinto akuvunyelwe nakancane odongeni lwangaphakathi lokufakwa kwepayipi kagesi nendawo yokushisela yempahla yepayipi ngesikhathi sokufakwa.

2. Lapho kufakwa ipayipi lokufaka i-welding, kufanele ligcinwe kude nokufakwa kwamapayipi ashiselwe kuze kube yilapho ukufakwa kwe-welding kuqeda i-30S ngemuva kokupholisa.

3. Vary ngokuya ngamazinga okushisa nokusebenza kwamandla we-field environment.Isikhathi sokushisela singakhokhelwa kahle ngesikhathi sokushisela.

4. Faka amandla afanayo ngokuya ngezidingo zomshini we-fusion welding. Amandla aqhubeka kude nasemshinini we-fusion welding, ubukhulu be-line yentambo yamandla buyadingeka ukuze kugwenywe ukuvela kwamandla angasebenzi athinta ikhwalithi ye-welding.

5. Ngesikhathi sokufakwa kwamapayipi, okufakwa endololwaneni kanye nopayipi kufanele kuqiniswe ngezinsika ezisekelayo noma kulungiswe ngabakaki futhi kunxeshezelwe kahle ngamapayipi.

6. Okokusebenza kwepayipi kufanele kungcwatshwe ngaphansi kweqhwa, futhi akumele kube khona amanzi okufaka ipayipi emseleni wepayipi ngenkathi kufakwa futhi kufakwa insimbi.

7. Uma izinga lokushisa liphansi, umsebenzi wokonga ukushisa kufanele wenziwe ngokufaka izinsimbi zokufakwa kwepayipi kagesi.

8. Uma usebenza endaweni enomehluko omkhulu wokushisa phakathi kwemini nobusuku, ama-centralizers namanye amathuluzi kufanele asetshenziselwe ukulungisa amapayipi ezinhlangothini zombili zezinto zokufakwa kwepayipi kagesi ukugwema umthelela wokunwetshwa okushisayo nokuncipha kwikhwalithi yokushisela.

9. Amapayipi nokufakwa akufanele kususwe ngesikhathi sokupholisa.

Izinkinga ezidinga ukunakwa ekufakweni kokufakwa kwepayipi kagesi kagesi:

1. Okokuqala, ngenkathi kufakwa, udonga lwangaphakathi lokufakwa kwepayipi kagesi nendawo yokushisela ayikwazi ukuvela ngezinto eziphilayo noma ukungcola, ngasikhathi sinye, ngenkathi kusenziwa insimbi, kudingeka kugcinwe ibanga elithile , ukugwema ukudala umonakalo ongadingekile;

2. Inkambu lapho kufakwa khona ukufakwa kwamapayipi kagesi kagesi kufanele ibekwe ngaphansi kweqhwa. Kumele kuqashelwe ukuthi ngenkathi kufakwa futhi kufakwa insimbi, ipayipi ngeke lifakwe emanzini;

3. Esimeni esibuhlungu esinokushisa okukhulu phakathi kwemini nobusuku, kuyadingeka ukuthi ukhethe ama-centralizers namanye amapayipi ahleliwe ngesikhathi ukuze uvikele ikhwalithi yokugcina ye-welding ethintwa yisimiso sokwanda okushisayo nokuncipha kwamakhaza; ngasikhathi sinye, uma izinga lokushisa liphansi kakhulu, kuyadingeka ukwenza umsebenzi omuhle wezinyathelo zokuvikela ukugwema ukulahleka okungadingekile;

I-4, eyokugcina isenkambweni yokupholisa ipayipi, ayikwazi ukuhanjiswa ngokuthanda.

Indlela yokuthola

Izindlela zokuhlola ukufakwa kwepayipi kagesi ka-PE:

Indlela yokuhlolwa kokufakwa kwepayipi kagesi ye-PE ukulinganisa kukwehliswa ngesikhathi sekhefu: ukunwebeka ngesikhathi sekhefu kungenye yezindlela zokuzivumelanisa nezimo okuhle kwepayipi.Ngokunquma okuzenzakalelayo kokunwetshwa kwepayipi, kuyaqinisekiswa ukuthi ipayipi ligcina izakhiwo wezinto zokusetshenziswa, kuqinisekisa ukusebenziseka kalula kanye nomnotho wokwakha, kuqinisekisa ukuguquguquka kwepayipi ekuxazululeni okungalingani kwesisekelo, futhi kuhlangabezana nezidingo zokusebenza kokuzamazama komhlaba.

Ukumelana kwesimo sezulu: amandla, ukuzinza okushisayo nokunwebeka ngesikhathi sekhefu kufanele kuncishiswe ngemuva kokuthi ipayipi livezwe ezintweni ezihlanganisiwe zokukhanya kwelanga, ukushisa nokubanda, umoya nemvula, umoya-mpilo nezinye izimo zezulu zemvelo.Ngokuzimisela kwesimo sezulu soqalo, qinisekisa ukuthi ipayipi ligcina ukusebenza kwempahla eluhlaza, futhi liqinisekise ukuthi ipayipi lisengakwazi ukuhlangabezana nezidingo zokusetshenziswa ngemuva kokuthola inani elithile lamandla.

Ukumelana nokukhula kancane kokuqhekeka: ngokulinganisa ukumelana nokukhula kancane kwepayipi, kuyaqinisekiswa ukuthi ipayipi ligcina ukumelana nokukhula okuncane kwezinto ezisetshenziswayo, ukuze kuqinisekiswe umthamo wokulayisha nempilo yesevisi yesikhathi eside ipayipi.

Ikhwalithi yokushisa: qinisekisa ukuthi ipayipi ligcina ukusebenza kwangempela kwento eluhlaza ngokuqedwa okuzinzile kokuqina okushisayo kwepayipi, futhi kuqinisekiswe ukuthi okokusebenza kusengakwazi ukuhlangabezana nezidingo ekwakhiweni, ekushiseni nasezinsukwini zensizakalo ezingama-50a.

Linganisa isilinganiso sokugeleza kwesisindo: ngokulinganisa isilinganiso sokuncibilika kwamapayipi nokuqhathanisa ne-MFR yezinto zokusetshenziswa, umehluko odingekayo awudluli ku-20%, okuqinisekisa ukuthi amapayipi ngokuyisisekelo agcina izakhiwo zangempela zezinto zokusetshenziswa, ukuze qinisekisa ubuchwepheshe obusebenza kabusha bamapayipi kanye nokusebenza kwamapayipi.


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