aikace-aikace

Pvc-o, Sinanci sunan biaxial daidaitacce polyvinyl chloride, wani sabon nau'i ne na juyin halitta na PVC bututu, ta hanyar fasaha na musamman na daidaitawa don kera bututu, bututun PVC-U da aka samar ta hanyar extrusion yana shimfiɗa axially da kewaye, don haka Dogayen ƙwayoyin sarkar PVC a cikin bututu a cikin tsarin biaxial.An sami sabon bututun PVC mai ƙarfi, ƙarfin ƙarfi, babban tasiri da juriya ga gajiya.

Sunan Sinanci: biaxial orientation polyvinyl chloride

Sunan Harshen waje: PVC-O

Aikace-aikacen: Samar da ruwa da injiniyan magudanar ruwa

Kamfanin asali: Uponor UK

Ya bayyana: 1970

Tarihin Ci gaba

An fara haɓaka PVC-O ta Yorkshirelmperial Plastics (Uponor) a cikin Burtaniya a cikin 1970 kuma tun daga lokacin Molecor, Wawin da sauransu suka samar da su.A cikin farkon mataki, an ƙaddamar da tsarin sarrafa "off-line" (hanyar sarrafa matakai biyu), wanda aka kafa extrusion da sanyaya sashin bututun PVC-U (embryo mai kauri) zuwa girman da ake buƙata a cikin ƙirar ta hanyar dumama. da kuma matsa lamba don gane fuskantarwa.Binciken gwaji da aikace-aikacen aikace-aikacen sun tabbatar da cewa PVC-O yana da aikin ban mamaki, amma tsarin sarrafa "kashe-layi" yana da ƙarancin saurin samarwa da saka hannun jari na kayan aiki, kuma yana da wahala a haɓaka.Daga baya ci gaba a cikin tsarin extrusion "in-line" fuskantarwa, ci gaba da samar da PVC-O.Tsarin samarwa shine hanyar sarrafawa ta mataki ɗaya, wato, a cikin layin extrusion na bututu, an fitar da bututun PVC-U (embryo mai kauri) don cimma daidaituwar biaxial ta hanyar faɗaɗa zobe da shimfiɗa axial, sannan sanyaya da siffatawa. cikin bututun PVC-O.Tsarin samar da daidaituwa na "in-line" na biaxial yana inganta haɓakar haɓakawa sosai, yana rage farashin masana'antu da haɓaka gasa na PVC-O da sauran bututu.A cikin 2014, Baoplastic Pipe, wani kamfani na cikin gida, ya jagoranci haɓaka busasshen fasahar samar da fasaha ta hanyar layi ɗaya, wanda ya karya ikon fasaha na masana'antar ketare.

An yi amfani da bututun PVC-O a cikin Burtaniya, Faransa, Holland, Portugal, Amurka, Australia, Afirka ta Kudu da Japan shekaru da yawa.Amurka, Ostiraliya da wasu ƙasashe sun buga ma'auni na samfurin PVC-O, kuma Ƙungiyar Ƙididdiga ta Duniya kuma ta buga ma'aunin PVC-O -ISO 16422-2014.A ranar 15 ga Afrilu, 2022, an fitar da ma'aunin kasar Sin "Oriented Polyvinyl chloride (PVC-O) Pipe da Fittings for Pressure Water Transport" GB/T41422-2022 a ranar 15 ga Afrilu, 2022, kuma an fara aiwatar da shi a ranar 1 ga Nuwamba, 2022.

Saboda bututun PVC-O yana da axial da shimfidawa na asali na bututun PVC-U, kaurin bangon bututun yana da bakin ciki.Idan aka kwatanta da bututun ruwa na PVC-U, bangon bango na bututun ruwa na PVC-O za a iya rage shi da 35% -40%, wanda ke adana kayan sosai kuma yana rage farashin.A lokaci guda kuma, saboda daidaitawar dogayen ƙwayoyin sarƙoƙi na bututun PVC-U da aka samar, diamita na bututun yana ƙaruwa a cikin sarrafa shi, wanda ke sanya yanayin daidaitawar ƙwayoyin cuta a cikin hanyar zobe kuma yana kawo babban ci gaba a cikin ƙarfi da ƙarfi. na biyu jiki Properties.Matsakaicin kwayoyin halitta yana ƙaruwa sosai ga ɗan gajeren lokaci - da ƙarfin dogon lokaci na kayan.Saboda gagarumin ƙarfi da taurin, 50-shekara aminci factor na PVC-O abu na MRS45 da MRS50 za a iya bayyana a matsayin 1.6 ko 1.4, don haka zane danniya na PVC-O bututu iya zama har zuwa 28MPa da 32MPa.Tsarin lamellar da aka samar ta hanyar sarrafa daidaitawar kwayoyin halitta shine mabuɗin zuwa babban taurin PVC-O.Idan tsagewa ya faru saboda lahani da nauyin ma'ana, tsarin da aka yi da shi zai hana tsagewa daga wucewa ta cikin kayan, kuma ana hana yaduwar ƙwayar cuta ta hanyar rage yawan damuwa yayin da kullun ke wucewa ta cikin yadudduka.Wani sabon nau'in bututu - mai ƙarfi da aka gyara gyaran gyare-gyare na PVC-M, ko da yake an inganta ƙarfin tasirinsa, amma ba a inganta ƙarfin ƙarfi ba.

02

Filin Aikace-aikacen

A kasashen waje, ana amfani da PVC-O ne a bututun samar da ruwa, bututun ma'adinai, shimfida bututun mai da ba tare da gyare-gyare ba, cibiyar sadarwar bututun iskar gas da sauran fannoni.Wasu ƙasashe a cikin hanyar sadarwar bututun ruwan sha a cikin aikace-aikacen PVC-O suna haɓaka sannu a hankali, suna zama madadin PVC-U, bisa ga rahoton binciken ƙungiyar Wavin, Netherlands, Faransa, Spain, Arewacin Amurka, Kudancin Amurka, Australia da wasu ƙasashe suna da yawa na amfani da bututun PVC-O.Cibiyar sadarwa ta bututun ruwan sha a cikin Netherlands tana da 100% amfani da bututun PVC-O, Faransa da sauran ƙasashe a cikin shekaru biyu kusan za a karbe su.An yi amfani da shi sosai wajen samar da ruwan sha a birane, ruwan sha na karkara, ban ruwa mai ceton ruwa da magudanar ruwa da sauran fagage.Wurin ma'adanan yana da tsauri musamman kuma buƙatun aminci suna da tsauri.A cikin yanayin ƙasa mai lalacewa, bututun PVC-O tare da babban ƙarfi, ƙarfin ƙarfi, juriya mai tasiri da rashin lalata yana da fa'ida sosai.

03

Fa'idodin tattalin arziki na saka hannun jari a masana'antar PVC-O

Ƙungiyar Wavin a Netherlands ta samar da kuma amfani da bututun PVC-O shekaru da yawa.Dangane da kididdigar kungiyar Wavin, idan aka kwatanta da PVC-U, saka hannun jari da kashe bututun PVC-O sune kamar haka:

(1) Matsakaicin ceton albarkatun ƙasa shine 11.58%.

(2) 2.5-3 sau fiye da zuba jari na PVC-O (a Turai).

(3) Yawan amfanin ƙasa shine 300-650 kg / h, kuma tsawon yana ƙaruwa da 20% -40%.

(4) Adadin kin amincewa yana ƙaruwa da 2% -4%.

(5) Ƙara yawan amfani da makamashi da kashi 25%.

(6) 10% -15% karuwa a farashin aikin ma'aikata.

(7) Tsawon layin samarwa za a ƙara da 25%.

Ta hanyar ƙididdige ƙididdiga, za a iya rage zuba jari na bututun 1 m da 33% -44%, kuma ana iya ƙara farashin da 10% -15%.Ganuwa, PVC-O bututu shine saka hannun jari na lokaci ɗaya, samun kudin shiga na rayuwa.

A halin yanzu, kamfanonin bututun roba na Bao na cikin gida suna ba da fasahohin fasahohi da aiyuka ga masana'antu guda, wadanda aka cimma da suka hada da Sichuan Yibin Tianyuan, Brazil Cole da sauran manyan kamfanonin sarrafa robobi.

04

Hasashen Ci gaba

Canji da ci gaban yanayin kasa da kasa yana ba da damar tarihi da ba a taɓa gani ba don haɓaka tsarin bututun PVC a cikin ƙasarmu.Na'urorin bututun na polyhydrocarbon, waɗanda ke yin gogayya da na'urorin bututun PVC a aikace-aikace da yawa saboda tashin farashin mai, ya yi tasiri sosai, yayin da PVC mai tushen kwal ya ƙara yin gasa ta hanyar kiyaye farashi mai sauƙi.

Tsarin bututun PVC yana da kusan shekaru 70 na tarihin ci gaba, saboda girman yanayinsa, ƙarfinsa da ƙarancin farashi, don haka ya kasance mafi girman amfani da tsarin bututun filastik a duniya, an yi amfani da shi sosai a fagage da yawa a cikin al'ummar zamani.Tare da saurin bunkasuwar masana'antar bututun robobi na kasar Sin, ta zama daya daga cikin manyan kasashen da ke samar da bututun robobi a duniya.Ƙarfin samar da PIPE na PVC a cikin ƙasarmu ya fi 2 miliyan t / a, kawai yana lissafin kusan kashi 50% na adadin bututun filastik, yayin da a cikin ƙasashe masu tasowa, yawan amfani da bututun PVC ya kai 70% -80% na kasuwar bututun filastik.

A cikin 21st karni, PVC bututu fuskanci da yawa fafatawa a gasa, musamman saboda a fili inganta guduro Properties kamar HDPE (kamar PE63 zuwa PE80 da PE100), PE bututu yana da kyau kwarai tauri da ruwa guduma tasiri juriya.Bugu da kari, sukar sinadarin chlorine da kungiyoyin kare muhalli ke yi a kasashe daban-daban ya sa bututun PVC ke fuskantar wani mummunan yanayi.Koyaya, an yi watsi da dogon lokaci cewa bututun PVC na iya hana shigar da wasu abubuwa masu guba da cutarwa fiye da bututun PE.A nan gaba na kasuwar bututun duniya a cikin babban matsayi ko bututun PVC, ainihin dalilin ya ta'allaka ne a cikin sabbin fasahohi, ci gaban fasaha.Yin amfani da sabbin fasahohi na resin PVC da bututun PVC, musamman sabbin fasahohin sarrafa bututun PVC da tsari, ya inganta tattalin arzikin bututun PVC da bude sabbin wuraren aikace-aikace.