Chitoliro cha PVC, nkhani zogwiritsidwa ntchito ndi pulasitiki zogwiritsidwa ntchito kwambiri pantchito zamakono, kuphatikizapo zomwe amakonda, kuphatikizapo kupezeka kwamadzi ndi ngalande zamadzi, kuthirira zamagetsi, ndi mtengo wake wabwino kwambiri. Pambuyo pazaka zopenya komanso kafukufuku waluso, wolemba adafotokoza mwachidule zingapo zokhudzana ndi kusankha kwa PVC, kukhazikitsa, ndi kukonza mwadongosolo, zomwe zimakonzedwa mwadongosolo mwadongosolo.
I. chuma katundu ndi mfundo zodziwika bwino
Chitoliro cha PVC, chachidule kuti chitoliro cha Polyvinyl chitoliro, chitha kugawidwa kukhala chokhazikika pvc (upvc) komanso pvc yosinthika kutengera mipupulasiyo. UPVC imagwiritsidwa ntchito makamaka muukadaulo chifukwa cha kulimba kwake kwamphamvu kwambiri kuposa 45 MPA yayitali (1}) Panthawi yomwe kusankha, yang'anani pagawo lotsatirali: Kuleza mtima kwa chipongwe kumayenera kutsatira GB / T 10002.1, ndi khoma lakuthwa kupatuka mkati mwa ± 10%. Kwa mapaipi opanikizika, chibowo chowuma chimayenera kutsimikiziridwa (SN4 / SN8 / SAN16 limagwirizana ndi zofuna zomata zosiyanasiyana). Mapaipi aukhondo ayenera kupereka chilolezo champhamvu cha madzi, ndipo zotsogolera siziyenera kupitirira 0,001 mg / l.
Ndikofunika kudziwa kuti kulumikizana kwa PVC chitoliro chopangidwa ndi opanga osiyanasiyana amasiyanasiyana. Mu pulojekiti imodzi, kusakaniza mtundu ukulu ndi Brand B komwe kunapangitsa kuti zikhale ndi zaka 23%. Izi zidathetsedwa poyerekeza ndi kugwiritsa ntchito zinthu zofananira kuchokera ku mtundu womwewo. Ndikulimbikitsidwa kuti ogulitsa amapereka chikalata chotsimikizika chokwanira chazinthu komanso kuchita masewera olimbitsa thupi pogula zochuluka.
Ii. Kumanga kofunikira ndi maluso okhazikitsa
Mapaipi ayenera kudulidwa pogwiritsa ntchito pvc woperekedwa kapena chopukusira. Madulidwe ayenera kukhala osalala ndikuwotcha {1} mfulu. Cholinga cha chinsalu choposa 2 digiri chimatha kuyambitsa kupsinjika kwa cholumikizira. Kutentha kwa owotcha- Kutentha kwambiri kumatha kuyambitsa kuwonongeka kwa zinthu komanso kupanga hydrogen chloride gasi. Kuti mulumikizidwe ndi spigot ndi spigot, kuyika kwapakutini chizindikiro kuyenera kukothana ndi nkhope ya thambo. Mukupanga zenizeni, pafupifupi 15% yazovuta zomwe zimayambitsidwa ndi kusowa kokwanira.
Kukhazikitsa kwapansi panthaka, malamulo amafunikira kuti kukula kwa tinthu tating'ono sikuyenera kupitirira 1/3 mainchesi, ndikuti 150mmth yolumikizidwa yolumikizidwa sikuyenera kukhala ndi zinthu zovuta monga njerwa. Mu pulojekiti yamadzi amvula yamvula, yosakwanira comfill compliction idapangitsa kuti zikhale zosagwirizana ndi 3%. Pambuyo pake, zojambula za konkriti zidawonjezedwa kuti zikulimbikitsidwa. Pofuna chitoliro chowululidwa, kukwera kwake kuyenera kukhala kocheperako kapena kofanana ndi 1.2m kotheratu komanso kochepera kapena kofanana ndi 1.5m mapaipi a DN25-DN50. Malangizo owonjezera a nangula ayenera kuperekedwa ku Bends.
Iii. Matenda Abwino Mavuto ndi kukonza
Zolephera wamba za PVC zolephera zimaphatikizapo kutsatsa kolumikizira, khoma laipi likulimbana ndi phokoso lamadzi. Kutsitsa kwa zolumikizira kumatha kusindikizidwa kwakanthawi ndi pvc yomatira, koma kukonzanso kosatha kumafunikirabe kuwunikira ndikuyanjananso. Chipato chochepa nthawi zambiri chimachitika nthawi yozizira kutentha. Pamene kutentha kozungulira kugwera pansi pamlingo wa 5, zotukwana ziyenera kukhazikitsidwa kapena kuzizira- Nyuzipepala yoyenda m'madzi imatha kutumizidwa ndikuwonjezera zida zosungira (monga ma gasket a rabara) kapena kusintha momwe amayendera (akulimbikitsidwa kuti azisamalira 0.8-1.5 m / s).
Kuyeserera kokhazikika kumayenera kuphatikizapo: Kuyendera kwa utoto kwa ming'alu ndi kusinthika; Kugwiritsa ntchito chotchinga cholembera kuti muzindikire kutaya kobisika; ndi kuyesa kukhulupirika kwa anti - kukugundidwa m'matumba oyikidwa m'manda zaka zitatu zilizonse. Phunziro la nkhani ku malo ogulitsa mafakitale adawonetsa kuti kukhazikitsa makina oyang'anira digito amachepetsa nthawi yolephera pa 60% ndikuchepetsa ndalama zokonza ndi 42%.
Iv. Kuchita chitukuko komanso kugwiritsa ntchito zatsopano
Mapaipi atsopano osinthidwa akusintha mosalekeza Malire awo a pulogalamu: pvc {{{0} ma mapaipe omwe ali ndi ma premivisi assops awona kutsutsana kwawo kukuwonjezeredwa ndi 300%; Pvc {{}} mapaipi ogwiritsa ntchito njira yoyang'anira mwaluso awona mphamvu zawo zowonjezereka zimakulira kasanu; Ndipo mawu oyamba a nanocomposites athandiza kuti mapaipi a antibacterial a antibacterial akwaniritse kuchuluka kwa 99% antibacterial. Mu Smart City Kumanga, kumeterera PVC Pipe Systems yokhala ndi ma sensor omwe aphatikizidwa akwaniritsa malo osungirako mamita ochepera 0,5 metres.
Kuchokera pagulu la eyanja, pomwe ndalama zoyambira mu mapaipi a PVC ilipo pafupifupi 35% yotsika kuposa yotsika iron mapaipi, mtengo wake wa zaka 3}. Monga 'ma pulati' ya dziko langa ikupitirirabe, dongosolo laukadaulo la PVC lidzakhala lothandiza kwambiri pakupanga kokhazikika kwa zomangamanga.
