Ulwelwesi lwe-PVC oluqinisiwe – Olumelana ne-UV, Olushiswayo emoyeni oshisayo ukuze lusetshenziswe ophahleni kanye nomhubheni
1. Ukubuka Konke Komkhiqizo
Lolu lwelwesi olungangeni manzi lwe-PVC oluqinisiwe lwenziwa ngezinqubo zokukhipha ukushisa okuphezulu kanye nokulungisa ikhalenda. Njengoba isebenzisa i-resin ye-PVC esezingeni eliphezulu njengesisekelo futhi ihlanganiswe nezithasiselo zobuchwepheshe zokulwa nokuguga kanye ne-UV ezingamelani ne-UV, inesendlalelo sokuqinisa i-fiber mesh esibunjiwe ngokuphelele ukuze kube nokuzinza okuhle kwesakhiwo kanye nokusebenza kwenkonzo yangaphandle isikhathi eside.
Yakhiwe ngokuhambisana ngokuqinile ne-GB/T 18173.2-2014 kazwelonke, umkhiqizo usekela amazinga okusebenza ohlobo I nohlobo II ukuze kuhlangatshezwane nezidingo zephrojekthi ezahlukahlukene, kanye nemibiko ephelele yokuhlola evela eceleni etholakalayo. Ukuqina kwefayibha eyakhelwe ngaphakathi kuxazulula ngempumelelo ukungazinzi kobukhulu kanye nokukhubazeka kokukhula kokushisa kwama-membrane ajwayelekile e-PVC, kunikeza izinga eliphansi lokuncibilika, amandla aphezulu okudonseka kanye nokumelana okuphezulu kokuklebhuka nokubhoboza. Igcina izakhiwo zomzimba ezizinzile ngaphansi kokushintshashintsha kwezinga lokushisa okuvamile kanye nokuvezwa ngaphandle isikhathi eside, okusebenza kabanzi kumaphrojekthi okuvikela amanzi ophahleni, emhubheni, kamasipala, ngaphansi komhlaba kanye namanzi.
2. Ukuhlukaniswa Komkhiqizo
Lolu chungechunge lwe-PVC membrane luhlanganisa izinhlobo ezintathu eziyinhloko: i-glass fiber eqinisiwe, i-polyester eqinisiwe kanye ne-PVC engaqinisiwe. Imininingwane eqinisiwe isetshenziselwa ukuvimbela amanzi ophahleni olukhulu, kuyilaphoHi-PVC engavamileisebenza njengokuqinisa okusizayo kwama-node ayinkimbinkimbi, yakha uhlelo oluphelele olungangenisi manzi olugcwele isimo.
I-Glass Fiber PVC Eqinisiwe I-Membrane Engangeni Manzi
I-mesh ye-fiber yengilazi enamandla aphezulu ihlanganiswe ngokushisa ngaphakathi kwe-membrane njengesisekelo sesakhiwo esizinzile ngokubumba okukodwa. Isakhiwo esihlanganisiwe esiqinile siqeda izingozi zokuhlukanisa, ukuxebuka kanye nokuhlukaniswa kwezingqimba phakathi kwenkonzo yesikhathi eside.
Izici Eziyinhloko:Ukwanda nokuncipha kokushisa okuphansi kakhulu kuqinisekisa ukuzinza okuhle kakhulu kobukhulu ngesilinganiso sokushintsha kobukhulu ≤0.5%. Kumelana ngempumelelo nokuguquguquka kokushisa kanye nokugoba komphetho, kugcina ulwelwesi luthe tyaba futhi luzinzile ngaphansi kwezimo ezivezwe ngokugcwele isikhathi eside.
Isicelo:Ilungele uphahla lwesakhiwo sensimbi olunezinsika ezinkulu, uphahla oluyisicaba lukakhonkolo kanye namaphrojekthi ophahla oluvezwe ubude obude adinga ukuqina okuphezulu kwesakhiwo.
Ulwelwesi olungangeni manzi lwe-PVC oluqiniswe yi-polyester
Iqiniswe ngentambo ye-polyester enamandla kakhulu, le membrane inokuqina okuphezulu, ukunwebeka okungcono kanye nokumelana nokukhathala okuqinile kwesakhiwo kunezinto ezivamile ze-PVC ezingangeni manzi.
Izici Eziyinhloko:Ukuqina okuvelele kanye nokumelana nokudabuka kwenza kube lula ukuzivumelanisa nokuqina kwesisekelo okuncane kanye nokuguquguquka okuncane kwesakhiwo. Ukumelana nokubhoboza okulungiselelwe kunciphisa kakhulu izingozi zomonakalo wokwakha futhi kuthuthukisa ukuzinza okuphelele kwezinhlelo ezingangeni manzi zesikhathi eside.
Isicelo:Ifanelekela ama-slab aphezulu angaphansi komhlaba, uphahla olutshalwe oluhlaza, amadamu okugcina amanzi kanye neminye imisebenzi engangeni manzi engaphansi kokucindezeleka kwesakhiwo kanye nokuguquka kwaso.
I-PVC Engangeni Manzi Efanayo (Uhlobo Olungaqinisiwe Olungaqiniswanga)
Lolu lwelwesi oluqinile lwe-PVC olufana ncamashi lunesakhiwo esiqinile esifanayo, ukuguquguquka okuhle kakhulu kanye nokushintshwa komoya oshisayo okuphezulu, oluthuthukiswe ngobungcweti ukuze kuqiniswe ngokuningiliziwe ama-node esakhiwo angajwayelekile.
Izici Eziyinhloko:Ifinyelela amandla okushisela ahambisanayo kanye nokuhlanganiswa okungenamthungo ngama-membrane aqinile e-PVC. Ukusika nokwakha okuguquguqukayo endaweni efanele izakhiwo ezibunjwe ngendlela ekhethekile ezingenakumbozwa ngama-membrane aqinisiwe.
Isicelo:Isetshenziswa kabanzi ezindongeni zangaphakathi zemihubhe, emihubheni yosizo, ngaphakathi kwechibi lamanzi kanye nokuqinisa okungangeni manzi okunesimo esikhethekile.
3. Imininingwane Ejwayelekile kanye namapharamitha Obuchwepheshe
Izinga Lokusebenza:I-GB/T 18173.2-2014, imibiko ephelele yokuhlolwa esemthethweni iyatholakala
Izinga Lokusebenza:Uhlobo I, Uhlobo II (okungenziwa ngezifiso ngokwezidingo zephrojekthi)
Ubukhulu obutholakalayo:1.2mm, 1.5mm, 1.8mm, 2.0mm, 2.5mm (ubukhulu obungokwezifiso busekelwa)
Ububanzi Obujwayelekile:2m, 2.1m, 3m
Ubude bokugoqa:20m (kungenziwa ngezifiso)
Uhlobo Lwesakhiwo:I-glass fiber eqinisiwe, i-polyester eqinisiwe, uhlobo oluqinile olufanayo
Inketho Yombala:Okumhlophe, okumpunga okukhanyayo, okumpunga okumnyama, okuluhlaza okwesibhakabhaka (imibala yangokwezifiso iyatholakala)
Ukumelana nokushisa okuphezulu:Akukho ukuguquguquka, ukugeleza noma ukuncishiswa ku-80℃
Ukusebenza kwezinga lokushisa eliphansi:Akukho ukuqhekeka ku--20℃ ngokuqina okuzinzile kwezinga lokushisa eliphansi
Ukungangeni kwamanzi:Akukho ukuvuza ngaphansi kwengcindezi yamanzi engu-0.3MPa imizuzu engama-30
Izinga Lokushintsha Kobukhulu:≤0.5% (izinhlobo eziqinisiwe)
Ukumelana Nesimo Sezulu:Ifomula ye-UV kanye neyokulwa nokuguga, impilo yesevisi evezwe ngaphandle ≥ iminyaka engama-20
4. Izinzuzo Zomkhiqizo Oyinhloko
Isakhiwo Esiqinisiwe kanye Nokusebenza Okunezilinganiso Eziqinile Kakhulu
Ukuqinisa ifayibha eyakhelwe ngaphakathi kuvimbela ngempumelelo ukwanda nokuncipha kokushisa kwezinto ze-PVC futhi kunciphisa ukuncishiswa okuphelele. Kususa amaphutha ajwayelekile ekhwalithi njengokugoba kophahla, ukugoba komphetho, ukuqhekeka kwemigodi kanye nokuncishiswa, kugcina ubuso bophahla obuyisicaba nobuzinzile isikhathi eside ngaphansi kokushintsha kwezinga lokushisa okuphindaphindiwe.
Ukumelana Nesimo Sezulu Okuphezulu Kokusetshenziswa Okuvezwe Isikhathi Eside
Yakhiwe ngezithiyo ze-UV ezisebenza kahle kakhulu kanye nezithasiselo zokulwa nokuguga, ulwelwesi lumelana nemisebe enamandla ye-ultraviolet, ukuguguleka kwemvula kanye nemijikelezo emanzi eyomile. Inikeza ukusebenza okuzinzile iminyaka engaphezu kwengu-20 ngaphansi kwezimo ezijwayelekile zangaphandle, isebenza njengento ethembekile yophahla olungangeni manzi.
Amandla Aphezulu Okusebenza Kwemishini Nokuzivumelanisa Nezimo Okuqinile Endaweni
Isakhiwo esiqinisiwe esihlanganisiwe sinikeza amandla aphezulu okudonseka kanye nokuqina okuphelele. Simelana ngempumelelo nokubhoboza, ukushayisana kanye namandla okudabula, sibekezelela ukulungiswa kophahla kwansuku zonke kanye nengcindezi encane yomshini ngokubekezelela amaphutha aphezulu okwakha kanye nokuqina kwesakhiwo isikhathi eside.
Ukumelana Okuhle Kakhulu Nokugqwala Kwamakhemikhali
Izinto ze-PVC zinokumelana okuqinile kwamakhemikhali ngokumelene ne-asidi, i-alkali, i-salt spray kanye nendle yasekhaya. Ukuthintana isikhathi eside nomhlabathi, amanzi angaphansi komhlaba kanye nemithombo yamakhemikhali evamile ngeke kubangele ukuwohloka, kuvumelana nezindawo ezingaphansi komhlaba, amachibi amanzi kanye nezindawo ezinosawoti omningi ogwini.
Ukuzivumelanisa Nezimo Zokushisa Ezilinganiselayo Kuzo Zonke Izimo Zezulu
I-membrane igcina izakhiwo zomzimba ezizinzile ngaphandle kokuthambisa noma ukuncipha emazingeni okushisa aphezulu futhi akukho ukuqhekeka noma ukuqhekeka emazingeni okushisa aphansi. Ijwayela izindawo eziningi ezinomehluko omkhulu wokushisa kanye nezimo zezulu ezinzima.
Uhlelo Lokushisela Lomoya Oshisayo Olungenamthungo kanye Nokuvinjelwa Kwamanzi Okuhlanganisiwe
Ihambisana ngokugcwele nobuchwepheshe bokushisela umoya oshisayo be-PVC. Ama-weld seams ahlangana ngokuphelele ne-base membrane ngamandla aphezulu kunomzimba we-membrane, avimbela ukuhamba kwamanzi nokuvuza futhi akhe isakhiwo esingangeni manzi esihlanganisiwe ngokuphelele.
Isicelo esingenabo ubuthi futhi esinobungani nemvelo
Yenziwe ngezinto zokusetshenziswa ze-PVC ezimsulwa ezingenazo izakhi eziyingozi noma iphunga elingavamile. Ifomula engenakho ukungcola futhi enobungani nemvelo iphephile ezindaweni zamanzi, ezindaweni zokugcina amanzi okuphuza kanye namaphrojekthi omphakathi angangeni manzi.
5. Izimo Zokusebenza
Uphahla Lwesakhiwo Sensimbi:Ukwakhiwa okusha nokuvuselelwa kwezindawo zokusebenzela zensimbi, uphahla lwensimbi enemibala, izindawo zokubonisa kanye nama-node ophahla olukhanyisa emini.
Ubunjiniyela boMasipala kanye neTunnel:Ukuvimbela amanzi kanye nokuvimbela ukuvuza kwemigwaqo emikhulu, imigwaqo ebanzi, izindlela ezingaphansi komhlaba kanye nezindonga zokuzivikela emoyeni.
Izinhlelo Zophahla Lokwakha:Ukwelashwa okungangeni manzi kophahla oluyisicaba lukakhonkolo, uphahla oluthambekile, uphahla olutshalwe oluhlaza kanye nezakhiwo zophahla eziphendukezelwe.
Ubunjiniyela Bangaphansi Komhlaba:Ivimbela ukuvuza kwamanzi kanye nomswakama kuma-slab aphezulu angaphansi komhlaba, izindonga eziseceleni kanye nezakhiwo zophahla lwegaraji.
Izindawo Zokugcina Amanzi Nokugcina Izinto:Ukuvikelwa kokungangeni kwamanzi kwamachibi okwenziwa, amachibi okuhlobisa, amachibi okugcina amanzi kanye namathangi okulawula indle.
Ukuvuselelwa Kophahla Oludala:Ukumbozwa okuqondile ophahleni oludala oluvuzayo ngaphandle kokubhidlizwa okukhulu, kunciphisa kakhulu izindleko zokuvuselela futhi kunciphise imijikelezo yokwakha.
Amaphrojekthi Kamasipala Wezemvelo:Ukwelashwa kokungangeni kwamanzi kanye nokungagqwali kwamathangi endle asemadolobheni kanye nezindawo zokuvikela imvelo.
6. Iziqondiso Zokwakha Ezijwayelekile
Lolu lwelwesi olungangeni manzi lwe-PVC lusebenzisa ukushisela komoya oshisayo njengendlela yokwakha eyinhloko yokwakha izinhlelo ezingangeni manzi ezingenamthungo nezivalekile ngokuphelele ezivumelana nezimo zesayithi eziyinkimbinkimbi.
Ukwelashwa Kwe-Substrate
Gcina i-substrate iqondile, iqinile, yomile futhi ihlanzekile, ingenazo izimbobo ezibukhali, amabala kawoyela kanye nothuli oluntantayo. Izisekelo zensimbi zidinga ukususwa kokugqwala kochwepheshe kanye nokwelashwa kokulwa nokugqwala. Faka i-primer kuma-substrate abuthakathaka ukuze uthuthukise ukusebenza kokubopha.
Indlela Yokubeka
Sebenzisa ukubekwa okuxekethile, ukulungiswa ngomshini noma ukunamathela ngebhathini ngokwezimo zangempela zendawo ukuze ukhulule ukucindezeleka kwesakhiwo futhi ugweme ukulimala kokuqina kwe-membrane.
Imininingwane Yokushisela
Gcina i-longitudinal lap ≥80mm kanye ne-transverse lap ≥120mm. Izinga lokushisa elijwayelekile lokushisela lisukela ku-480℃ kuya ku-550℃ ngesivinini sokusebenza esingu-1.5–2.5m/min. Ukuhlolwa kokushisela kokulinga kanye namandla okuxebuka kuyimpoqo ngaphambi kokwakhiwa kwendawo enkulu ukuqinisekisa ukushisela okugcwele nokuqinile.
Ukuqinisa Ama-Key Node
Phatha amakhona angaphakathi nangaphandle, izimpande zamapayipi, imigodi yomoya kanye namajoyinti okunweba ngamaphrofayili e-PVC akhethekile, imichilo yokucindezela kanye nesivalo ukuze wakhe imininingwane evalekile ngokuphelele engangeni manzi.
Ukuhlolwa Kwekhwalithi Yokushisela
Hlola ama-weld ngokuhlola okubonakalayo nangokuhlola ngesandla. Ama-weld aphindwe kabili kufanele ahlolwe umfutho womoya ongu-0.2MPa ngaphandle kokwehla kwengcindezi noma ukuvuza komoya kungakapheli imizuzu emi-2-5. Ukuhlolwa kwe-vacuum kungakhethwa kumaphrojekthi asezingeni eliphezulu.
Ukuvikelwa Komkhiqizo Oqediwe
Beka ungqimba oluvikelayo lwe-geotextile noma lwe-corkrit oluhlanganisiwe kahle ophahleni oluhambayo, olutshaliwe kanye noluhlala isikhathi eside ukuze uvimbele umonakalo wemishini kanye nokuguga okusheshayo.
7. Isifinyezo Somkhiqizo
Ihambisana ne-GB/T 18173.2-2014 ejwayelekile, lolu chungechunge lwe-PVC olungangeni manzi luhlanganisa izinhlobo ze-glass fiber eziqiniswe, eziqiniswe nge-polyester nezifanayo, luxazulula ngempumelelo amaphutha okungazinzi kobukhulu bezinto ezivamile ze-PVC. Ibonisa ukusebenza okuzinzile kakhulu kobukhulu, ukumelana nesimo sezulu sangaphandle seminyaka engama-20, amandla aphezulu omshini kanye nokusebenza kahle kokushisela emoyeni oshisayo, ivumelana nophahla, imigudu, imisebenzi kamasipala, izikhungo zokulondolozwa kwamanzi kanye namaphrojekthi okuvuselela uphahla amadala. Isebenza njengesixazululo esingangeni manzi sesikhathi eside esingabizi futhi esithembekile sobunjiniyela obuhlukahlukene bezezimboni obusezingeni eliphezulu.
