Kwintsimi yemizi-mveliso yanamhlanje, imveliso yeimibhobho ye-polyethylene (PE) ithatha indawo ebaluleke kakhulu. Nokuba kukwiinkqubo zokubonelela ngamanzi ezidolophini, kwiinethiwekhi zokuhambisa igesi, ekunkcenkcesheleni kwezolimo, okanye kwiindlela ezahlukeneyo zokufaka imibhobho kwiiprojekthi zokwakha, imibhobho ye-PE ithandwa kakhulu ngenxa yokusebenza kwayo okugqwesileyo kunye nokusetyenziswa kwayo ngokubanzi. Ngoko ke, iveliswa njani imibhobho ye-polyethylene? Namhlanje, makhe sijonge phambili. ishishini lokukhupha imibhobho yeplastiki kunye ukuze kuhlolwe iimfihlakalo ezingasemva kwale nkqubo yemveliso.
I. Intshayelelo: Izinto eziPhambili kunye namanyathelo aPhambili kwiImveliso yeMibhobho ye-PE
Isiseko semveliso yombhobho we-PE kunye nokufakelwa kwayo sisekufudumaleni, ekunyibilikeni, ekuxubeni izinto ezikrwada, emva koko zihanjiswe kwimo ethile, kulandele ukugcina loo milo ngexesha lenkqubo yokupholisa. La manyathelo abalulekile ekuveliseni imibhobho yodonga eqinileyo, imibhobho yodonga oluneprofayili, kunye nezixhobo ezibunjiweyo zokucinezela kunye nokufakwa. Kule nkqubo yemveliso inzima kwaye inobuthathaka, umkhupheli ngaphandle kwamathandabuzo udlala indima ephambili. Umkhupheli ufana negcisa elinobuchule obuphezulu, kancinci kancinci ecubungula izinto ezikrwada ezifana ne-polyethylene resin zibe yimibhobho ehlangabezana neemfuno.
ETshayina, emva kweminyaka yophuhliso, ishishini le-extrusion yeplastiki libone ukuvela kwamashishini amaninzi anamandla, aba negalelo elibalulekileyo ekuvelisweni kwezixhobo zeplastiki zokukhupha imibhobho kwihlabathi liphela. Abavelisi be-extruder abaziwayo baseTshayina, abanjengoBlesson, bane-extruder yabo kunye nenkxaso.Imigca yemveliso yepayipi ye-PE zisetyenziswa kakhulu kwiimarike zasekhaya nezamazwe ngamazwe. La mashishini awaneli nje ukuba neetekhnoloji zemveliso eziphambili kodwa atyala imali rhoqo kuphando nophuhliso kunye nobuchule, ezama ukubonelela amashishini emveliso yemibhobho yeplastiki ngezixhobo zemveliso ezisebenzayo, ezizinzileyo nezikrelekrele.
II. Inkqubo eneenkcukacha zeMveliso yeeMbhobho zePE
1. Inqanaba lokulungiselela izinto eziluhlaza
Inyathelo lokuqala kwimveliso yepayipi ye-PE kukukhetha ngononophelo kunye nokulungiselela izinto ezikrwada. I-polyethylene resin yeyona nto iphambili, kwaye umgangatho kunye nokusebenza kwayo kuchaphazela ngokuthe ngqo umgangatho wepayipi yokugqibela. I-polyethylene resin esemgangathweni ophezulu inozinzo oluhle, ukumelana nokugqwala, kunye namandla oomatshini. Kweli nqanaba, izinto ezikrwada zihlolwa ngokungqongqo ukuqinisekisa ukuba zonke izalathisi zazo ziyahlangabezana neemfuno zemveliso.
2. Inkqubo yokuCwangcisa okuPhambili kwe-Extruder
(1) Ukufudumeza nokunyibilikisa
Isikrufu se-extruder yeyona nto ibalulekileyo kwinkqubo yonke yokufudumeza nokunyibilikisa. Xa izinto eziluhlaza zingena kwi-barrel ye-extruder, isikrufu siqala ukujikeleza phantsi kwe-drive yemoto. Umphandle we-barrel uxhotyiswe ngenkqubo yokufudumeza ephucukileyo enokulawula ngokuchanekileyo ubushushu ngaphakathi kwi-barrel. Njengoko isikrufu sijikeleza, izinto eziluhlaza ziqhubeka zityhalelwa phambili ngaphakathi kwi-barrel. Okwangoku, phantsi kwesenzo samandla aqinileyo okucheba kunye nokungqubana, ziyafudunyezwa kancinci kancinci kwaye zinyibilike zibe yi-melt efanayo. Le nkqubo ifuna ulawulo oluchanekileyo lobushushu kunye nesantya sokujikeleza kwesikrufu esizinzileyo ukuqinisekisa ukuba izinto eziluhlaza zinokunyibilikiswa ngokupheleleyo kwaye umgangatho wokunyibilika uhambelana ngokulinganayo.
(2) Ukuxuba nokwenza iplastiki
Ngelixa inyibilika, i-extruder ikwathatha umsebenzi wokuxuba ngokupheleleyo izongezo ezahlukeneyo kunye ne-polyethylene melt. Uyilo olukhethekileyo lwesakhiwo sesikrufu, olufana nokuma kunye nokusasazwa kwemisonto kwicandelo lokuxuba, lwenza ukuba izongezo zisasazeke ngokulinganayo kwi-melt. Le nkqubo yokuxuba kunye nokwenza iplastiki ibaluleke kakhulu ekuphuculeni ukusebenza kwemibhobho. I-melt exutywe ngokulinganayo inokuqinisekisa ukuba imibhobho ineempawu ezibonakalayo ezifanayo kulo lonke icala elinqamlezileyo kwaye iphephe iziphene zasekuhlaleni okanye umahluko wokusebenza. Umzekelo, ii-extruders eziveliswa yiBlesson zinezikrufu eziye zavavanywa kakhulu kwaye zalungiswa, nto leyo evumela ukuba kubekho iziphumo zokuxuba kunye nokwenza iplastiki zisebenze kakuhle kwaye zivelise ii-PE melts ezikumgangatho ophezulu.
(3) Ukudlulisela kunye nokuBumba
Ukunyibilika okuxutywe ngokupheleleyo nokweplastiki kuqhubeka kutyhalelwa phambili sisikrufu kuze kudlule kwidayi entloko ye-extruder. Xa ukunyibilika kudlula kwidayi, kuya kuba phantsi koxinzelelo oluthile, okuya kwenza ukuba inamathele kakhulu eludongeni lwangaphakathi lwedayi, ngaloo ndlela ekuqaleni yenze imo yombhobho. Ngeli xesha, umbhobho usekwimeko yokunyibilika kobushushu obuphezulu kwaye ufuna unyango olongezelelweyo ukulungisa imo yawo nokuphucula ukusebenza kwawo.
3. Inqanaba lokuPholisa nokuBumba
Umbhobho oshushu ophezulu ophuma kwisidi ungena ngoko nangoko kwinkqubo yokupholisa. Ukupholisa amanzi kunokususa ubushushu bombhobho ngokukhawuleza, okubangela ukuba uphole kwaye uqine ngokukhawuleza. Amanzi akuyoitanki yokupholisa iya kuqhubeka ijikeleza ukuze igcine isiphumo sokupholisa esizinzileyo. Ulawulo oluchanekileyo lwesantya sokupholisa kunye nexesha lokupholisa lubaluleke kakhulu. Ukupholisa ngokukhawuleza kakhulu kunokubangela uxinzelelo lwangaphakathi kumbhobho, okuchaphazela ukusebenza kwawo ixesha elide; ukupholisa kancinci kakhulu kuya kunciphisa ukusebenza kakuhle kwemveliso.
4. Ukuthuthwa kunye neSigaba sokuSika
Emva kokupholisa, umbhobho unobunzima obuthile namandla, kodwa kusafuneka ugcinwe ukwimeko yokunyakaza okuzinzileyo okuthe tyei iyunithi yokuthuthaNgokulungisa isantya sokujikeleza kunye namandla okutsala amavili okutsala, isantya sokuphuma kunye nobukhulu bodonga lombhobho bunokulawulwa. Xa umbhobho ufikelela kubude obumiselweyo, isixhobo sokusika siya kuwunqumla. Ukuchaneka nokusebenza kakuhle kwe umsiki ichaphazela ngqo umgangatho wemveliso kunye nemveliso yombhobho.
5. Ukuhlolwa koMgangatho kunye neSigaba sokuPakisha
Iipayipi ze-PE eziveliswayo azingeni ngqo kwimarike kodwa kufuneka zihlolwe ngokungqongqo umgangatho. Izinto zokuhlolwa ziquka umgangatho wembonakalo yeepayipi, njengokuba kukho imifantu, amaqamza, imikrwelo, kunye nezinye iziphene; ukuchaneka kobukhulu, njengobubanzi bangaphandle, ubukhulu bodonga, kunye nobude, ukuze kubonwe ukuba ziyahlangabezana na neemfuno ezisemgangathweni; kunye novavanyo lwezinto ezibonakalayo, ezifana namandla okutsalwa, ukunwebeka xa kuqhekeka, kunye namandla e-hydrostatic.
III. Imeko yangoku kunye neendlela zophuhliso lweShishini lokuKhupha iiMbhobho zePlastiki laseTshayina
Njengelizwe eliphambili lokuvelisa izinto kwihlabathi, iTshayina ikwaphumelele kakhulu kushishino lokukhupha iipayipi zeplastiki. Abavelisi abaninzi bee-extruder baseTshayina baye baphucula amanqanaba abo etekhnoloji kunye namandla emveliso, bebonelela ngenani elikhulu lee-extruder ezikumgangatho ophezulu kunye nemigca yemveliso yeepayipi kwiimarike zasekhaya nezamazwe ngamazwe.
UkuthathaBlesson Umzekelo, njengomvelisi odumileyo waseTshayina wee-extruder, utyale imali eninzi kuphando nophuhliso lwetekhnoloji. Le nkampani ineqela le-R & D elikumgangatho ophezulu elihlala lihlola ubuchwepheshe kunye neenkqubo ezintsha ze-extrusion.
Ukongeza, ngokuphuculwa okuqhubekayo kolwazi ngokhuseleko lokusingqongileyo kunye nokwanda kwemfuno yeepayipi ezisebenzayo kakhulu kwimarike, ishishini laseTshayina lokukhupha iipayipi zeplastiki nalo lihlala livelisa izinto ezintsha kwaye litshintsha. Kwelinye icala, amashishini anika ingqalelo engakumbi kukhuseleko lokusingqongileyo kunye nokuzinza ekukhetheni izinto eziluhlaza, ephanda ngokukhutheleyo kwaye ephuhlisa izixhobo ze-polyethylene ezibolayo okanye esebenzisa izinto ezisetyenzisiweyo ukuvelisa ukunciphisa impembelelo kwindalo esingqongileyo. Kwelinye icala, ngokubhekiselele ekuphuculeni ukusebenza kweepayipi, iintlobo ezintsha zeemveliso zeepayipi ezinoxinzelelo oluphezulu, ukumelana nokugqwala, kunye nokumelana nemozulu zihlala ziphuhliswa ukuze kuhlangatyezwane neemfuno zesicelo esikhethekileyo zeeprojekthi ezifana neeprojekthi zokuhambisa ioyile kunye negesi elwandle kunye neeprojekthi zepayipi kwiindawo ezinemozulu embi kakhulu.
Kwixesha elizayo, ishishini lokukhutshelwa kwemibhobho yeplastiki laseTshayina kulindeleke ukuba liqhubeke nokugcina umkhwa wophuhliso olungileyo. Ngokusetyenziswa ngokunzulu kwesicwangciso esithi "Made in China 2025", eli shishini liza kuqhubeka nophuhliso kwicala lobukrelekrele, ukulima, kunye nelemigangatho ephezulu. Uphuhliso oluphezulu luza kukhuthaza ukuphuculwa okuqhubekayo kokhuphiswano lwezixhobo zokukhutshelwa kwemibhobho yeplastiki zaseTshayina kwimarike yamazwe ngamazwe, oku kwenza ukuba ikwazi ukukhuphisana ngamandla neemveliso ezaziwayo zamazwe ngamazwe kwaye iphumelele kakhulu kwezinye iindawo eziphezulu.
Ukuqukumbela, ukuveliswa kwemibhobho ye-polyethylene yinkqubo entsonkothileyo equka amakhonkco kunye nobuchwepheshe obuninzi. Ishishini laseTshayina lokukhupha imibhobho yeplastiki sele liphumelele kakhulu kweli candelo kwaye linamathuba ophuhliso olubanzi. Ukususela ekulungisweni ngononophelo kwezinto eziluhlaza ukuya ekucutshungulweni okusebenzayo ngumtshini, uze emva koko uye ekupholiseni nasekubumbeni,ukurhuqa kunye nokusika, kunye nokuhlolwa okungqongqo komgangatho kunye nokupakishwa, ikhonkco ngalinye libonisa ubulumko kunye nemizamo yabasebenzi beli shishini. Ngenkqubela phambili eqhubekayo yetekhnoloji kunye notshintsho oluqhubekayo kwimfuno yemarike, sinesizathu sokukholelwa ukuba imveliso yepayipi ye-PE iya kubonelela ngezisombululo zepayipi ezikumgangatho ophezulu nezithembekileyo ngakumbi zokwakha iziseko zophuhliso zehlabathi kunye nophuhliso lwemizi-mveliso kwixesha elizayo.
Ixesha leposi: Novemba-29-2024