Njengoko sonke sisazi, imibhobho yePVC kunye nokufakelwa kwemibhobho ebusika kwiqondo lokushisa eliphantsi kuya kuba buthathaka ngenxa yeempawu zeplastiki, ekulula ukuvelisa umphumo wamanqaku. Ngoko ke, kufuneka silumke ngakumbi malunga nendawo yokwakha kunye nokuphathwa kwemibhobho kunye nokufakwa. Enyanisweni, ehlotyeni elitshisayo, iqondo lobushushu liphezulu kakhulu phantsi kwemekobume yofakelo kunye nolwakhiwo lukwafuna ukunikela ingqalelo engakumbi. Ngokunyuka kweqondo lokushisa ehlotyeni, ukuba ukusebenza akuchanekanga, kulula ukubangela ukuguqulwa kombhobho we-PVC kunye nokuphula umbhobho ngexesha lovavanyo loxinzelelo.

ingxinano kumbhobho PVC

Ngokubhekiselele kulwazi oluthile kwi-Intanethi, izilumkiso zokwakhiwa kwemibhobho yePVC ehlotyeni zichazwa ngolu hlobo lulandelayo:
1. Ukugcinwa
kwemibhobho (1) Xa ugcina imibhobho ehlotyeni, ubude bemibhobho akufunekanga budlule kwi-1.5m, ukuphakama kakhulu kuya kukhokelela kumacala omabini. i-extrusion deformation yemibhobho.
(2) Ukuba ulwakhiwo aluqhutywanga ixesha elifutshane, umnatha we-shading uya kusetyenziselwa ukugubungela umzimba wombhobho ngexesha ukwenzela ukuthintela ukuguga komzimba wombhobho obangelwa ukukhanya kwelanga ixesha elide.
2. Uqhagamshelwano lombhobho
(1) Ukwakhiwa kwe-PVC i-adhesive TS umbhobho ehlotyeni: hlawula ingqalelo ekhethekileyo kwisixa sokubambelela. Ngokwahlukileyo kwidayamitha engaphandle yombhobho, ubungakanani bokuncamathelisa obufunekayo bukwahlukile, njengedayamitha yangaphandle yegama Φ Xa ububanzi bombhobho bungaphantsi kwama-63mm, umlinganiselo wokuncamathelisa uphakathi kwe-0.8g kunye ne-5.6g Φ 75mm— Φ 110mm kuluhlu lwe-9.0g-18g Φ 140mm— Φ 160mm phakathi kwe-27g kunye ne-35g Φ Yi-51g-396g ngaphezu kwe-200 mm, kwaye i-adhesive iguquka ngokukhawuleza ehlotyeni. Kufuneka ifakwe ngokukhawuleza emva kokugubungela, kwaye inokuhanjiswa kuphela emva kwe-30 s. kwinkqubo yokudibanisa umbhobho we-TS, i-joint yokwandisa okanye i-looper kufuneka yongezwe yonke i-50 m.
(2) Ingqwalasela ekhethekileyo kufuneka ihlawulwe kwindawo yokugcina kunye nokusetyenziswa kwe-adhesive:

A. emva kokusetyenziswa kwe-adhesive, umlomo webhotile kufuneka uqiniswe ukukhusela ukukhutshwa kwe-adhesive evaporation ekuchaphazeleni umphumo wokusetyenziswa;

B. Xa ukwakhiwa kuqhutyelwa kwindawo enomoya ojikelezayo, kuyimfuneko ukugqoka iimaski kunye nezinye izixhobo zokukhusela;

C. Ukuba iglue iphosa emehlweni, hlambulula ngamanzi ngexesha.
(3) Ukwakhiwa komkhono wePVC oguquguqukayo ehlotyeni: ngenxa yokuba umbhobho wePVC uneempawu zokwandiswa kwe-thermal kunye nokucutha okubandayo, kufuneka kubekho umsantsa othile kwinkqubo yokudibanisa umkhono wePVC oguquguqukayo ( Φ Malunga ne-10 mm ngaphantsi kwe-63 mm Φ 75mm- Φ Malunga ne-15 mm phakathi kwe-110 mm Φ 140mm- Φ Malunga ne-20 mm phakathi kwe-160 mm Φ Malunga ne-25 mm ngaphezu kwe-200 mm).
(4) Zininzi izilwanyana ezincinane ehlotyeni. Xa umbhobho ufakwe, ingqwalasela ekhethekileyo kufuneka ihlawulwe kwi-coverage ye-orifice yombhobho ukukhusela izilwanyana ezincinci ukuba zingene kumbhobho kwaye zichaphazele uxinzelelo lwepayipi kunye nokunikezelwa kwamanzi okuqhelekileyo.

3. Ukuzaliswa ngasemva komsele wombhobho
Imvula rhoqo ehlotyeni. Emva kokwakhiwa, umsele wombhobho kufuneka ubuyiselwe umva kwaye ugxininiswe ngexesha lokuthintela ukuwa kombhobho wokuchaphazela ukwakhiwa okuqhelekileyo kunye nokonakalisa umzimba wombhobho. Xa ubuyisela umva, umhlaba uya kuba ngumhlaba olungileyo, akukho zinto zinzima ziya kuqhagamshelana ngokuthe ngqo nombhobho, kwaye ubukhulu bomhlaba omhle kumacala omabini nangaphezulu kombhobho kuya kuba ngu-20-30cm.
4. Uvavanyo loxinzelelo lwepayipi
(1) Kwinkqubo yokwakhiwa, i-valve yokukhupha kufuneka ifakwe kwindawo ephakamileyo, kwaye i-elbow okanye i-tee kufuneka iqiniswe ngekhonkrithi. Emva kokufakwa kombhobho, ngexesha lovavanyo loxinzelelo (ubude bombhobho we-500m yeyona nto ifanelekileyo), uxinzelelo kufuneka lunyuswe kancinci, kwaye i-valve yokukhupha kufuneka ivulwe ngexesha, ukwenzela ukuba igesi esembhobho ikhutshwe ngokupheleleyo. .
(2) Emva kokuba uxinzelelo lonyuswe kuxinzelelo oluchaziweyo, uxinzelelo lunokukhutshwa kuphela emva kokuba uxinzelelo lugcinwe kwiyure eli-1. Ngexesha lokubamba uxinzelelo, ukuba uxinzelelo lutshintsha ngaphakathi kwe-0.05Mpa, kungqinwa ukuba akukho kuvuza kwamanzi okanye ukwaphuka kumbhobho. Ukuba uxinzelelo lutshintsha kakhulu, kungqinwa ukuba kukho ukuvuza kwamanzi kunye nokwaphuka kumbhobho. Uvavanyo loxinzelelo luya kumiswa ngexesha kwaye ukulungiswa ngokukhawuleza kuya kwenziwa. Emva kokulungiswa okungxamisekileyo, uvavanyo loxinzelelo luya kwenziwa kwakhona.
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