Kulwakhiwo lwanamhlanje, ubuchwephesha boomasipala, kwaye baninzi amabala omzi-mveliso, imibhobho ye-PVC idlala indima ebaluleke kakhulu. Izibonelelo zabo zesicelo zabo kwintsebenzo yabo elungileyo kunye nenkqubo yokwenziwa kwemveliso eqolisayo. Ke, yintoni kanye kanye inkqubo yokwenziwa kwemibhobho ye-PVC?
Imibhobho ye-PVC iveliswa ngenkqubo yokuphuma kwe-PVC yobukhulu be-PVC kwaye ilandela imigaqo eqhelekileyo yemigangatho yokupheliswa kombhobho: Okokuqala, i-pellet yezinto ezifundwayo okanye i-Polder ePhezulu kwiI-pvc twin screw excer. Emva koko, ukunyibilika nokufudumeza kwenziwa kwiindawo ezininzi zokuphumelela. Le nkqubo ibonakala ilula kumphezulu, kodwa enyanisweni, ibandakanya ubuchwephesha obunzima kunye nenkqubo yenkqubo, kunye nothotho lwezixhobo zobungcali kunye nemigca yokuvelisa, ishishini labanye kwishishini lokuphumelela kweplastiki yase China.
Kumgca wemveliso yemibhobho ye-PVC, umntu ophumeleleyo ngokungathandabuzekiyo zizixhobo eziphambili. Umntu ophumeleleyo wenza umsebenzi obalulekileyo wokuguqula izinto ezingafunekiyo kwimibhobho eyenziweyo kuyo yonke inkqubo yokuvelisa. Ukuthatha ishishini le-China ephumeleleyo njengomzekelo, amashishini amaninzi ahlala ehlola rhoqo kwaye evelisa kule ntsimi. Umzekelo, intanga, umvelisi owaziwayo waseTshayina ophelileyo, unamava ocebileyo kunye nezinto eziphucukileyo kuphando, uphuhliso, kunye nemveliso yokuphumelela.Umatshini wase-BasionUmzi-mveliso wamkela itekhnoloji kunye neenkqubo, kwaye abo baphumeleleyo bavelise izibonelelo ezibalulekileyo ngokuchaneka, uzinzo, kunye nokusebenza kwempumelelo, ukubonelela ngesiqinisekiso esiqinileyo sokuvelisa imibhobho ye-PVC.
Xa i-pvc twin screw extruder iyasebenza, isakhiwo saso sesikhuselo siyilwe ngobuchule. Izikrelem ezibini zisebenzisana ukuze zikwazi ukwenza izinto ezingafunekiyo ukuba zihambele phambili ngokulinganayo phantsi kokutyhala izikrelemnqa kwaye ngokuthe ngcembe zigqibezele ukufudumeza kunye nokunyibilika kwimimandla emininzi. Kwindawo yokuqala, izinto ezingafunekiyo zihlala zikhethwe kwangaphambili ukwenza i-pellets okanye i-powder iqale ukuthambisa, ukuqhuba inkqubo elandelayo. Njengoko izinto ezingafunekiyo zidluliswa zizikrelem kwindawo yesibini, iqondo lobushushu liya kunyuka ngakumbi. Ngeli xesha, i-PVC iqala ukunyibilika ngokuthe ngcembe kwaye yenze inyibilikise ngolwelo oluthile. Kule nkqubo, inkqubo yokufudumeza yomntu ophelelekileyo idlala indima ebalulekileyo. Ulawulo lobushushu oluchanekileyo lunokuqinisekisa ukuba izinto ezingafunekiyo ze-PVC zinyibilikiswa kubushushu obufanelekileyo, ukunqanda ifuthe kumgangatho wemibhobho ngenxa yamaqondo obushushu aphezulu okanye asezantsi. Umzekelo, ukuba amaqondo obushushu aphezulu kakhulu, kunokubangela ukungalungisi kwe-PVC, okubangela iingxaki ezinjengokuthetha kunye nobuchule bombhobho; Ngelixa amaqondo obushushu asezantsi kakhulu, ukunyibilika kuya kuba nzima, kwaye isiphumo semibhobho yemibhobho iya kuba lihlwempu, kunye neziphene ezinokubakho kumgangatho ongalinganiyo kunye nolwakhiwo lwangaphakathi lwe-inhomogeneous.
Emva kwezixhobo ze-PVC eziluhlaza zinyibilikiswa kumntu ophumeleleyo, bangena kwinqanaba lokuseka. Kweli nqanaba, i-PVC inyibilike ikhutshiwe ngokubumba okuthile ukwenza ubume obuqala bombhobho. Uyilo kunye nemveliso yeukubumbaYiba nefuthe lokuthatha isigqibo kumgangatho wokugqibela wombhobho wePVC. I-molds ephezulu-ekumgangatho ophezulu inokuqinisekisa ukuchaneka komgangatho, ubungqingqwa bodonga obuncinane, kunye nobucala obugudileyo kwemibhobho. Njengomvelisi wobungcali baseTshayina, intanga ityale imali enkulu yophando kunye nezixhobo zophuhliso ngaphakathiukubumbaUyilo kunye nemveliso, kwaye izilonda zenziwa zinokuhlangabezana neemfuno zokuvelisa imibhobho ye-PVC yenkcazo eyahlukeneyo kunye nemeko eyahlukeneyo yesicelo.
Emva kokuba imibhobho igqityiwe, kufuneka baphile kwaye basebenzise. Le nkqubo ihlala ifezekiswa ngokupholisa iitanki zokupholisa okanye izixhobo zokupholisa umoya. Amanzi okupholisa kwiUkupholisa itanki lamanziUya kususa ubushushu bombhobho, ubenza bapholise kwaye babe nobungakanani ngokukhawuleza. Ulawulo lwesantya sokupholisa libalulekile. Ukuba isantya sokupholisa ngokukhawuleza kakhulu, kunokubangela uxinzelelo lwangaphakathi kwimibhobho, ichaphazela iipropathi zabo; Ngelixa isantya sokupholisa sicotha kakhulu, siya kunciphisa ukusebenza kakuhle kwemveliso kwaye kunokubangela imibhobho ukuba isebenze ngexesha lenkqubo yokupholisa.
Ukongeza kwezi zikhonkco ziphambili zingasentla, inkqubo yemveliso yemibhobho ye-PVC ikwabandakanya iinkqubo ezinjeHaula iyunithikwayeukusika. Iyunithi yokutsala i-hauli inoxanduva lokutsala imibhobho ekhutshiweyo phambili kwisantya esihlala siqinisekile ukuqinisekisa ukuqhubeka nokuzinza komgaqo wepayipi. Isantya seyunithi ye-haul kwiyunithi kufuneka sihambelane nesantya sokuphendulwa. Ukuba isantya sesalathiso singxamisekile, imibhobho iya kolulwa kwaye ityeke; Ngelixa isantya sicotha kakhulu, imibhobho iya kutyhileka, ichaphazele ukusebenza ngempumelelo. Isixhobo esisikiweyo sinciphisa imibhobho kwiimveliso ezigqityiweyo ngokobude. Kwimigca ethile yokuvelisa enomgangatho ophezulu we-automation, inkqubo yokusika inokufezekisa ukusika ubude obusigxina, ukunciphisa iimpazamo ezibangelwa yimisebenzi yemanyuwali.
I-China yePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePhepha lePlanethi, abavelisi baseCicedric Expreds e-Chinedrider onjengesinga inkosi bahlala bekhuthaza ukuphuculwa kweshishini. Abahlali bodwa kwitekhnoloji yokufaka buvele ngaphandle kokuqhuba uphando olunzulu malunga noyilo ngokubanzi kunye nokusebenza kwemigca yemveliso. Umzekelo, ngokusebenzisa ulungelelwaniso loLungelelwaniso loMphengululi, ukuphuma kwasekufeni, inkqubo yokupholisa, iyunithi engekhoyo, kunye nokusika, umgangatho wokuvelisa kunye nomgangatho wemveliso yonkeI-PVC Pipe Pipe Fieiphuculwe. Okwangoku, ngokutshintsha okuqhubekayo kwemfuno yentengiso, aba bavelisi baphanda kwaye baphuhlise iintlobo zeentlobo ezintsha zabasebenzi kunye nemigca yemveliso yokufezekisa imigangatho ephezulu yemveliso kunye neemfuno ezintsonkothileyo.
Ukusuka konyulo kunye nokunyanga izinto ezingafunekiyo zokunyibilikisa kunye nokufudumeza komntu ophumeleleyo, emva koko uye kwi-forder, ukupholisa, inkqubo yokuphucula imibhobho ye-PVC yinkqubo enzima kwaye icekeceke. Ikhonkco ngalinye lifuna ulawulo olungqongqo nolawulo, kwaye nayiphi na impazamo encinci inokuchaphazela umgangatho wemveliso yokugqibela. Enkosi kwimizamo yamashishini amaninzi kunye neengcali kwi-China Exrusion yePlasitiki, ngakumbi iinkokheli zeShishini njengoMongameli, ngokuphucula ubuchwephesha be-PVC, kunye ne-China's PVC ifumene ukhuphiswano oluqinileyo kwintengiso yamanye amazwe. Nokuba kukwakha amanzi kunye neenkqubo zokuhambisa amanzi, ukunkcenkceshela ukutya, okanye kwimimandla yemizi-mveliso enjengemichiza kunye namandla e-PVC kuvelise ukwamkelwa ngokubanzi ngomgangatho wawo onokuthenjwa. Ngenkqubela phambili eqhubekayo yesayensi kunye netekhnoloji, kukholelwa ukuba inkqubo yokwenziwa kwemibhobho ye-PVC iya kuqhubeka nokuphucula kwaye iphucule, igalelo ngakumbi ukwakhiwa kweziseko zophuhliso nophuhliso lwamashishini.
Ngokwesikhuselo sendalo, ngokukhusela ukugxininisa ekukhuseleni kokusingqongileyo kuluntu, amashishini emveliso ye-PVC ahlala evavanya iinkqubo zemveliso eluhlaza. Kwelinye icala, ekukhetheni izinto ezingafunekiyo, kukho utyekelo lokusebenzisa izixhobo ze-PVC zendalo kunye nokunciphisa ukusetyenziswa kwezinto ezonakalisayo eziyingozi kwindalo esingqongileyo. Kwelinye icala, kwinkqubo yemveliso, ngezixhobo ezifanelekileyo kunye neenkqubo, ukusetyenziswa kwamandla kunye nokukhutshwa kwenkunkuma kuncitshisiwe. Umzekelo, abanye abantu abaphumeleleyo bafumana iMotors egcinayo amandla kunye neenkqubo zokufudumeza, ezinokunciphisa ukusetyenziswa kwamandla ngexesha lenkqubo yokuvelisa. Okwangoku, kwinkunkuma eyenziwe ngexesha lenkqubo yemveliso, amashishini ayaphonononga iindlela zokurisayikilisha kwaye ahlaziye inkunkuma kwizinto eziluhlaza ezinokuthi ziphinde ziphinde zisebenze ngokutsha kwezixhobo.
Ukusuka kwimbono yendlela yophuhliso lweshishini, inkqubo yokuphucula imibhobho ye-PVC iya kuphuhliswa kwikhombano yengqondo, ezenzekelayo, ukusebenza kakuhle, kunye nokuluhlaza kwixesha elizayo. Izixhobo zefreyimu ziya kuba nakho ukufezekisa ukuzifungela kunye nokuzihlaziya, ukuphucula ngakumbi ukusebenza kwemveliso kunye nokuzinza komgangatho wemveliso. Imithombo yemveliso ezenzekelayo iya kunciphisa ukusebenza kwencwadana yemigaqo, iindleko ezisezantsi zomsebenzi, kunye nokuphucula ukuchaneka kwemveliso. Iinkqubo zemveliso ezifanelekileyo ziya kuwutshabalalisa umjikelo wemveliso kwaye ukomeleza ukhuphiswano lwamashishini. Umxholo wemveliso eluhlaza uza kuqhuba yonke inkqubo yemveliso, esenza ukuveliswa kwemibhobho ye-PVC ngakumbi okusingqongileyo kwaye uzinze.
Ukuqukumbela, inkqubo yokuphuhlisa imibhobho ye-PVC yinkqubo entsonkothileyo ebandakanya ukohlwaywa okukhulu kunye neetekhnoloji. Kwizixhobo ezinqabileyo zokugqiba iimveliso, wonke unxibelelwano lufaka ubulumko kunye neenzame zamashishini amaninzi kunye neengcali kwishishini leplastiki. E China, abavelisi be-Chinedrigudder abamelwe ngusiko abasoloko besenza kwaye bekhula kule ntsimi, engayikhuthazi inkqubela phambili yemveliso ye-china ye-china ye-china. Ngokuphuhliswa kophuhliso oluqhubekayo lweshishini, sinesizathu sokukholelwa ukuba imibhobho ye-PVC iya kuqhubeka nokudlala indima ebalulekileyo yokwakha iziseko zophuhliso kunye namasimi ezoMveliso, kwaye iya kuphumelela imigangatho emigangathweni, ukusebenza, kunye nokukhusela isisingqongileyo.
IXESHA LOKUQALA: INDAWO-27-2024