Ulwelwesi Lokuvimbela Ukungangenisi Manzi lwe-PVC Oluqinisiwe Umhlahlandlela Wokukhetha: Uhlaka Oluqinisiwe Lwangaphakathi, Ukumelana Nokuklebhuka Okukhulu kanye Nezincazelo Zobunjiniyela

Ezindongeni ezinde, ezindaweni ezinomoya ovunguzayo, ezakhiweni zensimbi ezivame ukudlidliza, kanye namaphrojekthi okuvimbela amanzi anokuguquguquka okukhulu kwesakhiwo, ulwelwesi oluvamile olungangeni manzi luvame ukulimala kanye nokuqhekeka kokudonsa ngenxa yokumelana nokudonsa okwanele. Njengomkhiqizo oyinhloko ohlelweni lokuvimbela amanzi lwe-PVC, ulwelwesi olungangeni manzi lwe-PVC oluqinisiwe lunezinhlaka eziqinisiwe ze-fiber yengilazi noma i-polyester fiber ezifakwe ngaphakathi kwe-substrate ye-PVC. Luhlanganisa ukushibilika kwezinto ze-polymer namandla aphezulu ohlaka oluqinisiwe, olunezilinganiso ezizinzile kanye nokumelana okuvelele kokuguquguquka. Luyinto ekhethwayo yezimo zokuvimbela amanzi ezisindayo nezicindezela kakhulu njengezakhiwo zezimboni kanye nezindawo zomphakathi ezinkulu.

I-membrane yokuvimbela amanzi ye-PVC eqinisiwe iyinto engangeni manzi ye-polymer ye-thermoplastic eyenziwe ngokuhambisana ne-GB/T 12952-2011 ejwayelekile kazwelonke, ehlukaniswe njengomkhiqizo oqiniswe ngaphakathi we-Type P. Isebenzisa i-polyvinyl chloride resin njenge-substrate engaphezulu, ene-fiber yengilazi ehlanganisiwe noma ungqimba lokuqinisa indwangu ye-polyester phakathi, yakha isakhiwo esihlanganisiwe esinezingqimba ezintathu. Ngokungafani ne-PVC efanayo ne-PVC esekelwayo, inzuzo yayo eyinhloko itholakala ezimpahleni zomshini ezithuthukisiwe kakhulu zohlaka lwangaphakathi oluqinisiwe, ngenkathi igcina ukusebenza okuhle kakhulu kokushiswa kwe-hot-melt kwezinto ze-PVC. Lokhu kuyenza ifaneleke kumaphrojekthi ahlukahlukene okuvimbela amanzi anezimo zokucindezeleka eziyinkimbinkimbi kanye nezimo zokusebenza ezinzima.

1. Izinzuzo Zokusebenza Okuyinhloko

Uhlaka Oluqinisiwe Olwakhelwe Ngaphakathi Lwezakhiwo Ezithuthukisiwe Zemishini

Ngesendlalelo sokuqinisa i-fiber yengilazi ehlanganisiwe noma i-polyester mesh, i-membrane inikeza amandla aphezulu okudonseka kanye nokumelana nokudabuka kune-membrane ye-PVC efanayo. Imelana ngempumelelo nomonakalo wangaphandle obangelwa ukucindezelwa komoya okunamandla, ukudlidliza kwesakhiwo kanye nomthwalo wethrafikhi yezinyawo. Ngisho noma i-substrate idlula ekushintsheni okukhulu nasekuguqukeni, i-membrane imelana nokuqhekeka, ivumelane kahle nezimo zokusebenza ezicindezelayo. Izinhlobo ezimbili zezinto eziqinisiwe zinamandla azo: ozimele be-fiber yengilazi banikeza ukuzinza okuhle kakhulu kobukhulu ngokuncipha kokushisa okuphansi, kuyilapho ozimele be-fiber ye-polyester benikeza ukuguquguquka okungcono kanye nokumelana nokukhathala okuqinile kokuguquguquka.

Ukuzinza Okuhle Kakhulu Kwezilinganiso Kunciphisa Izingozi Zokuguqulwa Kwangemva Kokwakhiwa

Izuza esakhiweni sangaphakathi esiqiniswe nge-mesh, i-membrane ine-coefficient ephansi yokwanda kokushisa futhi imelana nokuvuvuka, ukushwabana kanye nokugoba komphetho ngaphansi kwezimo zokushisa eziphakeme neziphansi. Igcina isimo esizinzile ngesikhathi sokuchayeka ngaphandle isikhathi eside futhi igwema ukuguquka okuqhubekayo okubangelwa ukushintsha kwezinga lokushisa okuphindaphindiwe, iqinisekisa ubuqotho besikhathi eside besistimu engangeni manzi kanye nokunciphisa imvamisa yokulungisa elandelayo.

Ukushisela Okungenamthungo Okushisayo Kokuqina Okunokwethenjelwa Kwamalunga

Isebenzisa izakhiwo ezinhle kakhulu ze-thermoplastic zezinto ze-PVC, i-membrane isebenzisa ukushisela komoya oshisayo, okuhlanganisa amalunga ahambisanayo abe yiwo wonke anamandla aseduze nomzimba we-membrane. Uma kuqhathaniswa nokunamathela okujwayelekile, amalunga ahlanganisiwe anokumelana okungcono kokuguga kanye nokumelana nokucwiliswa emanzini, kususa izingozi zokuqhekeka nokuvuza futhi kwakha uhlelo oluqhubekayo noluphelele olungangeni manzi lokwakhiwa okukhulu. Ngaphezu kwalokho, amalunga okushisela angashiselwa kabusha, okwenza kube lula ukuhlola nokulungisa kamuva.

Isimo Sezulu Esiphezulu Nokumelana Nokugqwala Kokusetshenziswa Okubanzi

Ifomula ye-PVC engaphezulu iqukethe izithasiselo ezilwa ne-UV kanye nezokulwa nokuguga, ezivimbela ukugoba, ukushintsha kombala kanye nokuqhekeka ngesikhathi sokuchayeka ngaphandle isikhathi eside futhi zigcina ukumelana nesimo sezulu esizinzile. Izinto zokwakha zinokumelana okuhle nama-asidi, ama-alkali kanye nemidiya yamakhemikhali evamile, esebenza ezindaweni ezingcolisa kancane njengezitshalo zezimboni kanye nezakhiwo zokugcina impahla. Ngokwakhiwa okujwayelekile, kufeza isevisi yesikhathi eside kokubili kumaphrojekthi asobala kanye nafihliwe kancane.

Ukuguquguquka Okuhle Kokushisa Okuphansi Kokuzivumelanisa Nezimo Ezibanzi Zesifunda

Ngomklamo wefomula yobungcweti, i-membrane ihlala iguquguquka emazingeni okushisa aphansi futhi ayibonisi imifantu uma igobile ku--25°C. Ihlangabezana nezidingo zokwakha kanye nezinsizakalo zezindawo eziningi ezifudumele nezibandayo, futhi igwema ukuqhekeka okuqhekekayo ngisho nangezikhathi zokwakha ezishisayo eziphansi.

2. Ukuqhathaniswa Kokukhetha: I-PVC Eqinisiwe vs. I-PVC Efanayo kanye ne-PVC Esekelwe

VS I-PVC Efanayo:I-PVC efanayo inezinto ezihlanganisiwe ezihlanganisiwe ezingenazo izendlalelo zangaphakathi, enesakhiwo esilula kanye nokuthungwa okufanayo. Ihamba phambili ekusebenzeni kwezinto okuhambisanayo futhi ifanelekela ophahleni oluvamile kanye namaphrojekthi ethangi lamanzi anezingqimba ezisicaba kanye nokucindezeleka okuphansi. I-PVC eqinisiwe ithuthukisa izakhiwo zemishini ngohlaka lwangaphakathi oluqinisiwe olunokumelana okuhle kokudonseka nokuklebhuka. Yakhelwe izimo zokusebenza zokusebenza ezinde, ezicindezela umoya ophezulu kanye nezinyakazayo njalo, ilungele izitshalo zezimboni, ophahleni lwesakhiwo sensimbi kanye nezinye izakhiwo ezinezimo zokucindezeleka eziyinkimbinkimbi.

I-PVC Esekelwe Nge-VS:I-PVC eqinisiwe igqitshwe nge-fiber backing engalukiwe, igxile ekwakheni i-full-bond, ukusebenza okuphezulu kokufakwa kwe-substrate kanye nemiphumela yokulwa nokushintshashintsha kwe-channel, futhi isetshenziswa kakhulu kumaphrojekthi okuvikela amanzi afihliwe ane-substrate engajwayelekile edinga ukunamathelana okugcwele. I-PVC eqinisiwe ibeka phambili amandla aphelele kanye nokuqina kobukhulu. Yakhiwe kakhulu ngokufakwa komshini kanye nokubekwa okuxekethile kuhlanganiswe nokushiswa kwe-hot-melt, okubonisa ukusebenza kahle kokwakhiwa kanye nokuzivumelanisa nezimo okungcono kumaphrojekthi ophahla amakhulu, avulekile.

3. Izimo Eziyinhloko Zokusebenza

Uphahla Lwesakhiwo Sensimbi:Ukuvimbela amanzi ezitshalweni zezimboni ezisebenza isikhathi eside, izindawo zokugcina impahla kanye nezindawo zesakhiwo sensimbi ezinokudlidliza okuvamile kanye nomthwalo omkhulu womoya.

Izakhiwo Ezinkulu Zomphakathi:Izindawo ezinkulu ezingangenwa amanzi ezikhungweni zemibukiso, izinkundla zemidlalo kanye nezindawo zokuthutha.

Amaphrojekthi Endawo Enomfutho Ophakeme Womoya:Izindawo ezisogwini ezivame ukuba nomoya, uphahla lwezakhiwo eziphakeme kanye nezakhiwo ze-cantilever ezisengozini yokucindezeleka komoya okunamandla.

Amaphrojekthi Engqalasizinda Enkulu Yokuguqulwa Kwesimo:Ukuvimbela amanzi ema-slabs angaphansi komhlaba kanye nemigwaqo emikhulu enezinsika ezinkulu kanye nokufuduka kwe-substrate eseduze.

4. Amathiphu Okukhetha Ubunjiniyela kanye Nemininingwane Yokwakha

Kwezakhiwo zensimbi ezinde kanye nophahla olunomfutho ophezulu womoya, ama-membrane e-PVC aqiniswe angu-1.5–2.0 mm yiwona akhethwayo. Ukwakhiwa kusebenzisa kakhulu ukuhlanganiswa kwemishini okuhlanganiswe nokushisela komoya oshisayo. Imishini yokushisela ezenzakalelayo isetshenziselwa ukwakhiwa kwendawo enkulu, kuyilapho ama-welder aphathwayo esetshenziselwa ukwelashwa okuningiliziwe kwamakhona, izimpande zamapayipi, ama-joints okunwebeka kanye namanye ama-node asengozini. Ama-joints ahambisanayo akhiwa ngezindinganiso zokushisela okuphindwe kabili, ububanzi bokushisela ohlangothini olude bungaphansi kuka-80 mm kanye nobubanzi bokushisela ohlangothini olufushane bungaphansi kuka-100 mm. Kugcinwa umgodi ogciniwe phakathi kwama-welds amabili, futhi ukuhlolwa kokuqina komoya kwenziwa ngemuva kokwakhiwa ukuqinisekisa ukuthi akukho ukuvuza. Izinga lokushisa lokushisela kanye nesivinini kumele kulawulwe ngokuqinile ukuze kugwenywe ukushisela okungaphelele, ukushisela okungaphelele, noma ukusha nge-membrane. Kudingeka izendlalelo ezengeziwe ze-PVC ezifanayo ukuze kuqiniswe ama-node. Ukuphakama okuphakanyisiwe kwe-membrane ezingxenyeni ezikhanyayo njengezindonga ze-parapet kanye nezisekelo zemishini akufanele kube ngaphansi kuka-250 mm, kufakwe imichilo yokucindezela yensimbi kanye ne-sealant ukuze kufakwe ukuvalwa okuphezulu. Ukuvikelwa komkhiqizo oqediwe kufanele kusetshenziswe ngesikhathi sokugcina nokwakha izinto ukuze kuvinjelwe ukubhoboza izinto ezibukhali.

5. Izinzuzo Zokunikezwa Kwezohwebo Lwangaphandle

Njengomkhiqizi ochwepheshe, sigcina isitokhwe esanele sama-membrane e-PVC aqinisiwe anobukhulu obuhlukahlukene kanye nezinhlobo ezimbili eziqinisiwe (i-fiber yengilazi kanye ne-polyester) ukuqinisekisa ukulethwa okuzinzile kwama-oda amaningi. Sisekela osayizi abangejwayelekile, imibala kanye nezinsizakalo zokucubungula ze-OEM, futhi singalungisa amafomula omkhiqizo ngokuya ngesimo sezulu sesifunda kanye nezidingo zobunjiniyela. Yonke imikhiqizo ihambisana nezindinganiso zobunjiniyela zikazwelonke nezamazwe ngamazwe ngeziqu eziphelele zokuthumela ngaphandle kanye nemibiko yokuhlola esekelayo. Sinikeza ukukhethwa komkhiqizo kochwepheshe kanye nesiqondiso sobuchwepheshe sokwakha, sinikeza ukuthengwa okuphelele kanye nezixazululo zokubambisana zesikhathi eside zamaphrojekthi okuvikela amanzi emhlabeni jikelele.

Ngamafuphi, ulwelwesi lokungangenisi amanzi lwe-PVC oluqinisiwe lunefreyimu yangaphakathi eqinisiwe, ukumelana nokudabuka okuphezulu, ukusebenza okuzinzile kanye nekhwalithi yokushisela ethembekile. Zibhekana ngempumelelo nobunzima bokungangenisi amanzi ezimweni ezicindezela kakhulu, ezinde kanye nezicindezela umoya ophezulu, zisebenza njengezinto ezifanele zokuvikela amanzi ezakhiweni zezimboni kanye namaphrojekthi amakhulu omphakathi. Ukuze uthole ukuthenga okuningi, ukukhetha kobunjiniyela bochwepheshe noma izingcaphuno zakamuva, zizwe ukhululekile ukuxhumana nathi. Sinikeza izixazululo zokuvikela amanzi ezenzelwe wena futhi ezihlelekile zamaphrojekthi akho.