Amapayipi e-polyvinylchloride: izici zokufaka, izici nokubuyekezwa

Amapayipi e-polyvinyl chloride, ngenxa yesisindo sabo esincane kanye nezinye izici zobuchwepheshe, ingenye yezixazululo ezinhle kakhulu zokubeka izinhlelo ngezinhloso ezahlukene. Umsebenzi wokufaka awuhambisani nobunzima, kodwa kubalulekile ukwazi ukuthi yiziphi izici zePVC. Phakathi kwezici ezengeziwe zemikhiqizo echazwe, kufanele kuqashelwe:

• Impilo yesikhathi eside;
• Izindleko ezingabizi;
• Isisindo esincane;
• Kulula ukufakwa.

Inqwaba encane ivumela ukufakwa ngaphandle kokusetshenziswa okunamandla okukhethekile. Ngaphezu kwalokho, ithuluzi elibizayo alidingeki, ibhayiphi ingabekwa yedwa, ngenkathi igcina izimali zayo. Njengenye yezinzuzo eziphawulekayo, kufanele kuqashelwe ukuthi azikho izithiyo ezitholakala ezinsimbi zensimbi nezensimbi zensimbi.

Yingakho lezi zipayipi zivame ukusetshenziselwa ezindaweni eziningi zomsebenzi womuntu, ukuthatha imikhiqizo kwezinye izinto. Ngemuva kwalokho, zihlala zihlala isikhathi eside, azilungiseleli ukugcinwa okuyinkimbinkimbi nezindleko, futhi zingagcwele izindleko ezincane.

Ukucaciswa kobuchwepheshe

Amapayipi e-polyvinyl chloride anezici ezivelele zokusebenza. Ziyakwazi ukuqina okunamandla, ngenxa yalokho imikhiqizo ikwazi ukungena ngaphansi kwengcindezi yangaphakathi kuze kube yizimo eziyi-120. Ku-deformation yokushisa, amapayipi aqinile kakhulu. Uma ukufutheka, ipayipi idlula kuphela ngo-5% wevolumu yangempela. Ngokuqondene nokumelana nesithwathwa, i-PVC ayixhomeki kakhulu kumthelela onjalo. Ngakho-ke, ukubekwa kwamaphayiphi avela kulesi sakhiwo kumele kuhambisane nokuvalwa kwe-thermal.

Ipayipi akumele ikhohliwe ngezansi -15 ° C. Amapayipi e-polyvinyl chloride awaphiki kahle kakhulu. Lezi zinto ziqala ukulahlekelwa ukuqina kwayo lapho zifakwa emazingeni okushisa angaphezu kuka 78 ° C. Izingxenyeni zangaphakathi nezangaphakathi zinokuncintisana okuncane, lokhu kuvimbela ukuthungatha kwepayipi. Izinto zokwakha zingase zibe ne-translucence enhle kakhulu. Ungakwazi ukuhlangabezana nephayiphu ebonakalayo ye-PVC edayiswayo, kodwa ezimweni eziningi imikhiqizo ihanjiswa ngendlela edwetshiwe. Kodwa ngisho nalesi simo, i-polyvinyl chloride iyakwazi ukumelana nokuvezwa kwe-ultraviolet kangcono kunezinye izinhlobo zepulasitiki.

Amanzi lapho ethuthwa ngamapayipi e-PVC ayishintshi izindawo zawo. Lokhu kubonisa ukuthi lolu hlobo lokuxhumana lungasetshenziselwa ukupompa hhayi kuphela ezobuchwepheshe, kodwa futhi namanzi okuphuza. Phakathi kwezinzuzo eziyinhloko zamapayipi anjalo kungaphawulwa inertia kumgudu ohamba phambili kanye nokuqina okuphezulu kwe-annular, okukuvumela ukuthi ubeke amapayipu aphakeme kakhulu.

Ngokuphathelene namanzi ashisayo, i-PVC ayikwazi ukusetshenziswa kuwo, njengoba umkhawulo wokushisa wephayiphi ungama-40 ° C. kuphela. Nakuba ezindaweni ezingekho ngaphansi kwengcindezi, amapayipi adinga ezinye izinzuzo, phakathi kwazo, ubukhulu obuncane bodonga kanye nobuhle obuphezulu bendawo yangaphakathi kufanele buvezwe. Ngokuqondene nobukhulu, ingahluka phakathi kuka-1.5 no-6 mm. Lezi zakhiwo zinikeza ithuba lokubeka uhlelo lokuhambisa amanzi olude lokumangalisayo. Ngenxa yalokho, kungenzeka ukuthola izinhlelo ezine-cross-section ye-bipayipi, ekwazi ukususa inani elibi lemfucuza.

Ezinye izici zezingxube ezingekho ngaphansi kwengcindezi ye-polyvinyl chloride

Amapayipi e-polyvinylchloride angaphikiswanga angagcinwa futhi axhunyiwe ndawonye nge-O-izindandatho. Le ndlela yokufaka iyamukeleka kumahlelo wangaphandle naphakathi. Amapayipi angaphikiswanga anensimbi eqinisiwe ekupheleni komunye, ububanzi bawo buhlukahluka kusuka ku-63 kuya ku-315 mm. Amapayipi anjalo angasebenza ngokucindezela okukhulu kokusebenza kuka-0.63 MPa. Noma kunjalo, ipayipi ngokwayo ingakwazi ukufika kuma-MPa angu-20.

Izici zamapayipi okucindezelwa ezenziwe nge-polyvinyl chloride

Amapayipi e-Polyvinyl chloride PVC nawo angagonywa. Banokwazi ukubhekana nokucindezelwa okukhulu, ngakho-ke umhlangano wamapayipi wawusebenzisa imikhiqizo epholile. Zifana nesokhethi, kodwa ekupheleni kwazo kukhona inqwaba ekhethekile ngesimo sensimbi.

Ububanzi bepayipi ye-polyvinyl chloride engcindezi bungaba ngu-10 kuya ku-90 mm. Ngokuhambisana ne-GOST, ubukhulu bokuqala obuyi-11 bungabalwa. Ingcindezi yokusebenza ephezulu i-MPa engu-2. Uma leli nani lidlulile, umxube weglue awukwazi ukubhekana nomthwalo. Ukuthengiswa kungenzeka ukuhlangabezana nombhobho ngaphandle kwensimbi, isetshenziselwa umhlangano wesistimu yezinhlobo zokufaka izinhlobo ezilandelayo:

• Ukusetha;
• I-Threaded;
• I-Glutinous.

Ububanzi bamapayipi abushelelezi buhluka kusuka ku-10 ukuya ku-315 mm. Imikhiqizo enjalo ingasetshenziselwa ukucindezelwa kuphela, kodwa futhi ekusetshenzisweni okungezona ukucindezela.

Amapayipi e-PVC ahlungiwe: Izindawo

Ipayipi ye-PVC enekghono lokuzicima, lokhu kuyinto ebaluleke kakhulu, okuyinto ebaluleke kakhulu uma ubeka i-wiring kagesi. Iphayiphi ayishisi, kodwa iyancibilika futhi iphola, imisa ngokuphelele futhi igweme umlilo. Amapayipi anjalo ahlala njalo, ayamelana nokuqhekeka kwendawo engenawo umswakama, ongenawo ukushisa, alahlekelwa yizindawo zakhe futhi awomile phakathi nokuphila konke okusebenzayo.

Amapayipi e-PVC anqunywe yi-Electrotechnical ayingxenye ye-thermoplastic. Ezingeni lokushisa umehluko, baphendula kancane. Ibanga lokushisa lokusebenza lingashintsha kusuka -20 kuya ku-80 ° C. Mayelana nokufakwa, kufanele kwenziwe ngesikhathi sokushisa kwe--5 kuya ku-60 ° C. Phakathi kwezinye izinto, i-polyvinyl chloride isebenza njenge-dielectric, ekhombisa ikhono layo lokuvimba.

Izici zokubeka

Umbhobho wokucindezela uqala kusuka emthonjeni bese uphela nge-crane. Iphayipu elingenakucindezela ekuqaleni i-siphon ye-PVC-type, kanti ekugcineni kukhona itanki elibheke emhlabathini. Ukuxhuma i-tank septic ne-siphon, kuyadingeka ukuhlomisa umugqa ohamba phambili, okuzofaka phakathi ukufakwa kanye namapayipi. Inqubo yokufaka ingenziwa ngokusebenzisa enye yobuchwepheshe abathathu. Okokuqala kuhilela ukusetshenziswa kwebell, ukukhwelisa okubili okubandayo, kuyilapho ukufakwa kwezinto ezintathu.

Izici zokufakwa kwamapayipi okuthuthwa kwamanzi avela ku-PVC

I-pipe sewer polyvinyl chloride ifakwe ubuchwepheshe abathile. Esigabeni sokuqala, izakhi kumele zilungiswe komunye nomunye futhi zihlole ukuthi ngabe amathafa ahamba kanjani. Okulandelayo, umaka usuqedile ukuze ungadideki kwinani elikhulu lezingxenye. Izinto zihlangene, kubalulekile ngalesi sigaba ukuhlola ukuthi ipayipi ingena ngebell kuya ku-2/3 ngaphandle komzamo.

Amajoyina wokuqina afakwe ndawonye nekhamera ekhethekile. Ukuze ukwandise ukunamathela, i-interfaces kufanele ivuselelwe. Uma iglue isetshenziswa, ungakwazi ukufaka ukufaneleka. Ngemuva kokuqedela umsebenzi wokufaka, udinga ukuhlola uhlelo lokuvuza. Uma ukuvuza kungatholakali, umsebenzi wokufaka wenziwa ngempumelelo.

Ukuhlanganisa insimbi

Amapayipi eyenziwe nge-polyvinylchloride (i-GOST 51613-2000) ingahlanganiswa engxenyeni. Ku-T-piece, igatsha elilodwa komunye lidinga ukulinganisa i-tee. Faka i-O-ring engxenyeni bese ufaka ukuphela kwephayiphu ku-flare yokugcizelela. Indandatho izobamba iqhaza elibushelelezi bese lifaka uphawu oluhlangene.

Assembly Cold Weld

Ukufakwa nge-welding ebandayo kungenziwa lapho ubeka ipayipi, lapho kudingekile ukuhlinzeka nge-angled ukuxhuma noma ukungena. Uma kulesi sigameko kusetshenziswe ipayipi eqinisekisiwe, ke okokuqala ungayenza ngokufakelwa kweglue kanye namapayipi abushelelezi.

Umhlangano usebenzisa i-glue kanje. Esigabeni sokuqala, kubalulekile ukusika isikhala bese wenza ukulinganiswa, okungukuthi, ukuhlanza nokususa i-burrs. Inkosi kufanele ihlole ukujula kokucwiliswa kokuphela kwebushelelezi nokumaka okulandelayo.

Ngemuva kwalokho, indawo yangaphandle yesiphetho esibusisiwe iphathwa nge-solvent, futhi isayithi lokuhlangana lihlanzwa. Ngaphakathi kwendawo yangaphakathi yokufanisa nokugcoba, isenzo esifanayo siyadingeka. Uma nje ukuhlanzwa kwenziwa, i-glue ekhethekile kufanele isetshenziswe ebusweni bokufanisa nombhobho, okumele umboze indawo yangaphakathi nendawo ekhonjiwe. Esigabeni sokugcina, ipayipi kufanele icindezelwe ibe yikhethi noma ifaneleke kumakaki okujula, bese ijikelezelana eduze kwe-axis, lokhu kuzosakaza ngokunamathela ngokunamathela.

Isiphetho

Uma unquma ukuthenga ipayipi le-PVC, intengo yalo mkhiqizo kufanele ikuthande. Isibonelo, ithubhu elonakele yokwakha i-wiring kagesi ingathengwa ngama-rubha 10.67. Per imitha. Kulokhu, sikhuluma ngomkhiqizo, ububanzi bawo buyi-25 mm. Umzila ongena emlilweni ongena emlilweni we-PVC owonakele uzobiza umthengi amashukela angu-16,73. Per imitha. Kodwa umbhobho oqinile ohlangene wiringambo kagesi uzothola ama-ruble angu-17.15. Per imitha.

Umgwaqo wekhebula elingamelana nomlilo, elibhekene nesisindo esincane nesigqinsi, sizobiza ama-ruble angu-26.89. Per imitha. Ububanzi bayo buyi-25 mm. Ukumelana nomlilo kuhambelana namakilasi E60-E90. Ungathenga ipayipi yocingo ephaketheni - i-bay (25 m). Umkhiqizo une probe, futhi ububanzi bombhobho ngu-25 mm. Ungathenga ipayipi le-PVC yalolu hlobo ngama-ruble angu-333.38. Ukupakisha.

Ukubuyekeza kwamakhasimende kusikisela ukuthi izinzuzo zamapayipi e-PVC zikhulu kakhulu kunezingozi. Zikulungele ukushisa, ukuthuthwa kwamanzi, njll. Abathengi abathengile amapayipi e-PVC abazisoli ngokukhetha kwabo.