HDPE okanye PP? Landela ibhotile, hayi ileyibhile yepolymer
Iifayile ezimbini zeemveliso ezicingelwayo zibonisa indlela ukhetho olutshintsha ngayo xa umxholo, ukubonakala, iimvavanyo kunye nobungqina bemveliso buguquka.
I-HDPE ihlala iyindawo esebenzayo yokuqalisa iibhotile zemichiza ezikhanyayo zasekhaya. Umgangatho wokubumba we-PP unokuhlala uqhuba xa ukucaca, ukuqina okanye ubushushu benkonzo butshintsha ixesha elifutshane. Akukho mpendulo isindayo ngaphandle kwebanga elichanekileyo kunye novavanyo lwebhotile egqityiweyo.
Uninzi lwe-HDPE ngokuchasene ne-polypropylene uthelekiso luqala ngetshathi yepropati. Oko kunceda ekuhlolweni, kodwa ikhuthaza indlela emfutshane embi: ukuphatha iintsapho ezimbini zepolymer ngokungathi nganye inoxinaniso olulodwa, ukuziphatha okuhambayo, ixabiso lempembelelo kunye nefestile yokulungisa.
Iipotfoliyo zababoneleli zithetha ngenye indlela. I-Braskem ipapasha i-polyethylene eninzi kunye ne-polypropylene ukuvuthela amabakala obungakanani bephakheji kunye nokusetyenziswa. I-SABIC yahlula i-homopolymer ye-HDPE, i-HDPE i-copolymer kunye ne-PP iinketho ze-copolymer random kwiphepha layo le-bottle-material. Igama losapho liqala uthelekiso; ayinako ukuyigqiba.
Ezi fayile zimbini zingezantsi ngamatyala okufundisa. Abachazi abathengi ababizwa ngokuba yiKinggle okanye izilingo ezigqityiweyo zasefektri.
Ibhotile yokucoca iqala nge-HDPE, emva koko ifumane
- Imveliso emfutshane
- Ibhotile encinci ye-opaque ephathwayo yolwelo lwasekhaya.
- Ukubaluleka komthengi
- Ukuhambelana kwekhemikhali, ukusebenza kokuvuza, ukubamba kunye nokucofa ingqibelelo, ukucutha okuphindaphindwayo kunye nesiphumo esamkelweyo.
- Ayaziwa
- Imixholo echanekileyo, iimeko zokugcina, ukuvalwa, ubunzima, imephu yodonga, imida yokuvavanya kunye nebakala le-resin.
Imixholo ithatha isigqibo sokuba ngaba uluhlu olufutshane luyathembakala
"Ikhemikhali yasekhaya" ibanzi kakhulu ukuba ingavunywa. Umnini wepakethi kufuneka achonge iziqulatho, ugxininiso, ixesha lokugcina kunye noluhlu lweqondo lokushisa. Amagama e-SABIC anempembelelo yokuchasa, ukuxhathisa imichiza kunye nokuchasana noxinzelelo lokusingqongileyo phakathi kweemfuno ezikhethiweyo zeebhotile ezingezizo zokutya. Leyo yimibuzo yebakala kunye novavanyo, hayi izithembiso zengubo kwibhotile nganye ye-HDPE.
Umqheba kunye nomgca wokupinkisha ujika idatha ibe yingxaki inxalenye
Ixabiso le-plaque elibunjiweyo alikwazi ukubonisa indlela ibhulorho yokusingatha isolulwe okanye ukuba i-weld yomsila idityanisiwe. Umzobo wemveliso kunyevuthela uyilo lokungundaqaphela apho ihamba khona icawa, iphinki kwaye ipholile. Imilinganiselo yodonga, iziphumo ezivuzayo kunye neemvavanyo ezisebenzayo zezakho ecaleni kwephepha ledatha.
I-Opacity isusa isizathu esinye sokukhetha i-PP
Le bhotile ayifuni ukufana ne-PET ecacileyo. Ukungaguquguquki kombala, ukugqitywa komphezulu kunye nokumila kweleyibhile-yephaneli kusebalulekile, kodwa ukukhanya okuphezulu akuqhubeki emfutshane. Amabanga afanelekileyo okubumba i-HDPE ahlala kuluhlu olufutshane ngelixa iqela lihlola iimfuno ezinzima.
Ibhotile inevoti yokugqibela
Ibakala elichaziweyo kufuneka lenze iprison ezinzileyo, liqhube kwidayisi kunye nokungunda okucetywayo, lisike ngokuchanekileyo kwaye liphumelele uhlolo ekuvunyelwene ngalo. Ukubonakala kakuhle kunye ne-pinch ebuthakathaka yisigqibo sezinto ezihlulekile. Iisikhokelo sezipheneinceda i-resin eyahlukileyo, i-parison, i-tooling kunye nobungqina bokupholisa ngexesha lovavanyo.
Gcina ibakala elifanelekileyo lokubumba i-HDPE njengomgqatswa okhokelayo. Musa ukuyikhulula de kuvunyelwane ngemixholo echanekileyo, amaxwebhu ebakala kunye neemvavanyo zebhotile ezigqityiweyo.
Kutheni le nto ingeyiyo i-HDPE win jikelele
IFayile A isuse isizathu sokukhetha iPP, yagcina imingcipheko eseyibalulekile yaza yancamathela ukhetho kuvavanyo lwebhotile. Loo nto imxinwa kunetafile yenzuzo, kwaye iluncedo kakhulu.
Umthengisi we-resin ungumnikazi wedatha yebakala
Ukuhamba, ubuninzi, ukuqina, impembelelo, ubushushu kunye noxinzelelo-i-crack amanani agcina iindlela kunye neemeko eziprintiweyo kuxwebhu lomthombo.
Umnini bhotile ngumnini wenkonzo emfutshane
Imixholo, ukuvalwa, ukuzaliswa, ukugcinwa, ukuthuthwa kunye neemvavanyo zokwamkelwa zichaza umsebenzi wephakheji.
I-mold idala iindonga zendawo
Umgca wokwahlula, i-pinch geometry, i-vents, ukupholisa kunye nendlela yokuzoba ichaphazela indlela izinto eziphathekayo.
Ityala lidibanisa ubungqina
Isiphumo sifuna umatshini onikwe igama, ukufa, ukungunda, iresiphi, imathiriyeli kunye nerekhodi yesampulu.
Iphepha ledatha elifanayo lingalahlekisa amaqela omabini eprojekthi
Umthengi unokuvula amaxwebhu amabini e-resin, isangqa ixabiso lempembelelo ephezulu kwaye ubize uthelekiso lugqityiwe. Oko kusebenza kuphela xa indlela yovavanyo, isampuli, imeko kunye neeyunithi zithelekiseka. Isikhokelo se-ExxonMobil HDPE, umzekelo, sibhala amaxabiso apapashiweyo njengesiqhelo kunemida ebekiweyo. Ipotfoliyo yeBraskem ibeka iindlela zovavanyo ecaleni kweentsika zepropathi. Ezo nkcukacha ziyinxalenye yenani.
IFayile A kufuneka ijonge ubungqina bebakala obunxulumene nokuvezwa kweekhemikhali, ukuqhekeka koxinzelelo lwendalo, impembelelo kunye nokuzinza kwenkqubo, emva koko uqinisekise ezo mfuno kwibhotile. Ifayile B inokuchitha ixesha elininzi kwinkungu, isicwebezelisi, ukuqina kunye neemeko zobushushu. Akukho qela kufuneka likhuthaze ibango lenqanaba losapho elifana ne "PP isoloko icace" okanye "i-HDPE isoloko yomelele" kwimfuno yokuthenga. Ibakala lomviwa lingaqhubela phambili ngenxa yokuba iprofayili yalo ebhaliweyo ifanele ingcaciso emfutshane. Idlula kuphela xa iphakheji egqityiweyo idibana neemvavanyo ezilawulwayo.
Idatha yokuhamba ifuna uqeqesho olufanayo. Ukunyibilika kwesantya kunye nesalathisi sokunyibilika kunokuchazwa phantsi kwemithwalo eyahlukeneyo kunye namaqondo obushushu kwiipolymers ezahlukeneyo. Ukuthelekisa amanani ashicilelweyo ngaphandle kweendlela zawo kunokuguqula intsingiselo ecetywayo. Umbuzo oluncedo kwiqela lomatshini lithe ngqo ngakumbi: ingaba le fomu yebanga eligama libizwe kwaye ibambe i-parison efunekayo kwintloko ecetywayo ye-extrusion, kunye nomjikelezo ophindaphindiweyo kunye nebhotile eyamkelekileyo?
Ibhotile ecacileyo yokhathalelo lomntu inika iPP isizathu sokuhlala
- Imveliso emfutshane
- Ibhotile encinci yokhathalelo lomntu apho umthengi efuna ukubona imveliso kwaye agcine imilo eqinile yephakheji.
- Ukubaluleka komthengi
- Inkangeleko ebonakalayo, umgangatho wokugqiba, ukulungelelaniswa kokuvalwa, iimeko zenkonzo kunye nokubumba okuzinzileyo kwe-extrusion blowout.
- Ayaziwa
- I-haze ekujoliswe kuyo okanye ukucaca, udonga, uqhagamshelwano lwemveliso, ubushushu bokuzalisa, umhombiso, imfuneko yokulahla kunye nebakala.
"Sula" kufuneka ibe yithagethi yokwamkelwa
Ukungafihli, ukuqaqamba kunye nokungafihli kangako zizinto ezilindelekileyo ezahlukeneyo. Iphothifoliyo yeBraskem ibandakanya amabakala e-PP angenamkhethe kwiipakethe ezibunjiweyo zokuvuthela. Oko kwenza i-PP ithembeke, kodwa ayiqinisekisi ukubonakala kolu donga, iphakheji yombala, umphezulu wokungunda kunye nenkqubo.
Iimeko zenkonzo ezilahlekileyo zinokuphelisa ityala
Isishwankathelo ayikachazi iimeko zokuzaliswa kunye nokugcinwa. Ibango malunga nokumelana nobushushu liya kuba liphambi kwexesha. Umthengisi kufuneka aqinisekise idatha yebakala kanye nenkcazo ekhoyo ngoku kuqhagamshelwano olucetywayo kunye nommandla. Iqela leprojekthi emva koko livavanya ibhotile ebunjiweyo phantsi kwesicwangciso senkonzo yayo.
Uxinzelelo olusezantsi aluqinisekisi ibhotile evunyiweyo elula
Iitheyibhile zababoneleli zidla ngokubonisa amabanga ePP kuxinzelelo olusezantsi kunamabanga eHDPE. Oko kunokwazisa uqikelelo lobunzima bokuqala, kodwa umthamo we-resin olinganayo awulingani ukusebenza kwebhotile. Ukuqina, impembelelo, ukusabalalisa udonga, ukugqiba imilinganiselo kunye neemvavanyo kugqiba ubunzima bokugqibela.
Iresiphi endala ye-HDPE ayinakuvuma i-PP
Utshintsho losapho lwepolymer lunokutshintsha ukuhamba, ukunyibilika amandla, ukudumba, ukutsalwa phantsi, useto lwe-thermal kunye nokupholisa. Umsebenzi ophononongwe ngoontanga kulwakhiwo lweeparini usebenzisa idatha yenkqubo kubandakanya ukudumba, ukutsalwa phantsi kunye nobushushu. Kwifektri, ityhubhu yokuxhoma inxalenye yesigqibo sezinto eziphathekayo.
Gcina ibakala lokubumba iPP elifanelekileyo lophuhliso lwesampulu kuba inkangeleko inika isizathu esingqalileyo sokukhuphisana. Gcina ireferensi ye-HDPE de kuthelekiswe ubungqina obubonakalayo, obunobungakanani kunye nobusebenzayo.
Iifayile azabelani ngophumeleleyo
Ifayile A inika i-HDPE inzuzo yokuqala ngenxa yokuba ukuhambelana kunye nobungqina besakhiwo kuqhuba ibhotile ye-opaque. Ifayile B igcina iPP kwingxabano kuba inkangeleko yinxalenye yomsebenzi. Zombini zihlala zinemiqathango ngenxa yokuba akukho bakala lichanekileyo, iimeko zenkonzo ezipheleleyo okanye iziphumo ezidityanisiweyo.
Uhlobo lwemveliso, injongo yenkangeleko, udidi lwemixholo ebanzi, uhlobo lwenkqubo kunye nobukho bamabakala okubumba isivuthelo kuzo zombini iintsapho.
Umzobo olawulwayo, ukuvalwa, ibakala elichanekileyo kunye neqashiso, iimeko zoqhagamshelwano, iithagethi zodonga kunye nobunzima, iindlela, umphumo kunye nerekhodi yesilingo.
Nkqu namakhadi amanqaku ovavanyo kufuneka ajongeke ngokwahlukileyo
Ulingo lwebhotile yesicoci kufuneka lugcine ubungqina obujikeleze umqheba, umgca wokupinkisha, ujongano lokuvala kunye naluphi na ukuvezwa okanye uvavanyo lothutho olufunwa ngumnini wepakethe. Inkangeleko yeyephepha, kodwa into encinci yokuthambisa ayifanelanga igqithise ukuvuza okanye ukusilela ekusebenzeni. Ulingo lokhathalelo lomntu lunokunika ubunzima obuninzi bokungaguquguquki okubonakalayo, umgangatho wokugqiba, umhombiso kunye nethagethi ecacisiweyo yomthengi, ngelixa igcina imida yobukhulu kunye nokusebenza njengamasango angenakuxoxisana.
Lo mahluko uchaphazela isampulu. Musa ukugalela iibhotile kwisikhululo ngasinye kunye nendawo yokuphuma kwibhokisi enye. Phawula umatshini, uhlaziyo lokungunda, izinto ezininzi, iresiphi, isitishi okanye indawo yokuphuma kunye nolandelelwano lwexesha. Ukulinganisa iisampulu emva kokuba kuvunyelwene ukucheba okanye inyathelo lokugqiba. Umyinge odibeneyo unokufihla i-outlet ebuthathaka okanye ukutyeba kodonga olubonakala kuphela ngexesha lokulandelelana.
Ingxelo yenkqubo kufuneka ibonise iimeko zokwenyani endaweni yokubeka yodwa. Rekhoda i-thermal state, i-extrusion kunye ne-head setting, ukuhlaziywa kweprogram ye-parison, imeko yamanzi okupholisa, izigaba zokujikeleza kunye naluphi na ukungenelela okwenziwa ngesandla. Ukuba iqela litshintsha isethingi enkulu ngexesha lokuthelekisa, phawula ixesha kwaye wenze isigqibo sokuba iwindow yokwamkela iqala kwakhona. Kungenjalo isiphumo sinokudibanisa iinkqubo ezimbini ezahlukeneyo ngelixa sinikezela ngeavareji enye efanelekileyo.
Ityala likwafuna imithetho emisiweyo. Umviwa ongakwaziyo ukubamba i-parison ekhuselekileyo, elawulekayo kwisixhobo esikhethiweyo akufuneki aqhubeke nokuvelisa iisampulu ezinomtsalane. Umviwa obumba kakuhle kodwa aluphose uvavanyo olubaluleke kakhulu kwimveliso akaphumeleli kuba umjikelo wakhe ukhangeleka uzolile. Ezi zizigqibo zobunjineli, hayi ukhuphiswano lobuhle phakathi kwezixhobo.
Iindleko zingena kuphela emva kokuba ibhotile eyamkelweyo ikhona
Ixabiso le-resin ngekhilogram liyabonakala kwaye kulula ukuthelekisa. Kananjalo ayiphelelanga. Iyunithi yorhwebo yibhotile eyamkelweyo, egqityiweyo. Inxalenye yokugqibela yobunzima, i-trim scrap, ilahleko yokuqala, imveliso ekhatywayo, ixesha lokujikeleza, umsebenzi osezantsi kunye nokuziphatha kokutshintsha konke kuchaphazela umphumo osebenzisekayo. Umgangatho osezantsi woxinaniso lwePP linokuvumela uqikelelo lobunzima obuthembisayo, ukanti uyilo lusenokufuna ukwabiwa kodonga olwahlukileyo okanye ubunzima ukuze kuphumelele iimvavanyo zokuphatha. Umgqatswa we-HDPE onexabiso eliphantsi elicatshulweyo usengaphulukana nokuba ibhotile efunekayo ayinakwenziwa rhoqo.
Gcina ubalo lusekuhleni: sebenzisa obona bunzima buvunyiweyo bebhotile kwaye ujongwe isivuno esamkelweyo kumviwa ngamnye, emva koko sebenzisa amagalelo orhwebo akhoyo anikezelwe ngumthengi kunye nomthombo wentlaka. Musa ukuguqula ipropati yebhubhoratri okanye ixabiso lekhathalogu yomatshini kwibango lokonga. Uthelekiso luba luthembekileyo xa ukuthengwa kwempahla kunokulandelela yonke ingeniso emva kwekoteyishini, isampuli elawulwayo okanye irekhodi yesilingo.
Ikhathalogu yeKinggle izoba umda oluncedo
Amaphepha angoku eI-I-KGB2L, I-I-KGB5L, I-I-KGB15LkwayeI-I-KGB80Adwelisa i-PE kunye ne-PP phakathi kweentsapho zabo eziphathekayo. Imigca yomthamo wabo wokwandisa ibhalwe ngokukodwa iHDPE.
IxhasiweI-PE kunye ne-PP zingaphakathi kwendawo epapashiweyo yezi ntsapho zomatshini.
IxhasiweIireferensi ze-30, 55, 100 kunye ne-120 ukuya kwi-140 kg / h zibhalwe njengomthamo wokunyibilika kwe-HDPE.
AyixhaswaLoo manani akanakuphinda afakwe iileyibhile njenge- PP throughput engqinisisiweyo, iibhotile ezithengiswayo ngeyure okanye isiqinisekiso sayo nayiphi na imeko yokufundisa.
Ukuba umthengi uphakamisa iPP, i-Kinggle idinga idatha yebakala kunye nemveliso emfutshane phambi kokuqinisekisa isikrufu, intloko, inkqubo kunye nemveliso. Ukuba umthengi uceba iHDPE, i-kg/h ayithathi indawo yobunzima becawe ebonke, ixesha lokupholisa, isikhululo okanye inani lempahla kunye nesivuno esamkelweyo. IIsikhokelo sokwamkelwa kwefektriibonisa indlela yokwahlula loo manani ngexesha lokuqinisekisa.
Imibuzo emithandathu igqibezela intlanganiso
Yeyiphi imveliso kunye nemizobo yokuvala elawulwayo, kwaye yeyiphi imilinganiselo ehlolwayo emva kokunciphisa?
Iza kuqulatha ntoni ibhotile, kwaye yeyiphi imiqathango yokuzaliswa, ukugcinwa, ukuthuthwa kunye nokusetyenziswa kwayo?
Ngawaphi amabakala achanekileyo e-HDPE kunye ne-PP ahlala ephantsi koqwalaselo, kunye nedatha yababoneleli bangoku?
Yeyiphi inkangeleko, ubunzima, udonga, ukuvuza, ukuwa, umthwalo ophezulu, itorque okanye eminye imida echaza ukwamkelwa?
Ngowuphi umatshini, idayi, ukungunda, isikhululo, indawo yokuphuma kunye nolungiselelo olusezantsi oluya kwenza iisampulu?
Ulingo luya kugcina njani isazisi sesampulu, iisetingi, ilahleko kunye nesizathu sokuba umviwa aqhubele phambili?
Ingxelo eluncedo iphela ngebakala elichaziweyo kunye nesizathu esisikelwe umda. "I-HDPE ingcono" ayisosigqibo umzi-mveliso onokuthi uvelise kwakhona.
Yiza nebhotile kunye nekhowudi yebakala
Thumela i-Kinggle inxalenye kunye nemizobo yokuvala, amaphepha edatha ye-resin, iziqulatho kunye neemeko zenkonzo, ubunzima kunye neenjongo zodonga, iimvavanyo, iziphumo, umbala kunye nesicwangciso sokubuyisela, ulwazi lokubumba kunye nobubanzi obuphantsi. Impendulo isenokuba yi-HDPE okanye i-PP. Ubuncinci kuya kuba yimpendulo kwibhotile yakho.
Xoxa ngemathiriyeli kunye nolingo lomatshini
