I-Abstract: Umgomo oxhumanisayo, ukuhlukaniswa, ukwakheka kanye nemishini ye-polyethylene exhumene ne-polyethylene exhumeke kafushane, futhi ezinye izici ze-polyethylene exhumene ne-polyethylene exhumeke kahle Izici ezithinta isimo esixhuma ngokuwela kokuqukethwe kwethulwa.
Amagama agqamile: Isilonda esixhumanisayo; Ukuxhumanisa okungokwemvelo; Polyethylene; Ukufakwa; Ucingo nentambo
I-SILAANE exhumene ne-polyethylene cable impahla manje isesetshenziswa kabanzi embonini ye-wire kanye ne-cable njengezinto ezifakwayo zamandla amakhefu aphansi. Okuqukethwe ekwenziweni kocingo oluxhumeke ngentambo nekhebula, kanye nokuxhumeka kwe-peroxide kanye nokuxhumeka kwe-peroxide ngokuqhathaniswa nemishini yokukhiqiza edingekayo elula, kulula ukuyisebenzisa, izindleko eziphakeme kakhulu nezinye izinzuzo eziphansi -voltage cable exhumeke ngokungenayo ngokufakwa.
1.Silane Cross-Ixhumayele Material-Licking Guistight
Kunezinqubo ezimbili eziyinhloko ezibandakanyeka ekwenzeni i-polyethylene exhumene ne-silane exhunyiwe: ukuxhunyelelwa kanye nokuxhumanisa. Enqubweni yokuxhunyelelwa, i-polymer ilahlekelwa i-athomu yayo e-athomu ye-carbon ephakeme ngaphansi kwesenzo se-free istiator kanye ne-pyrolysis kumahhala ama-vinyl silane ukukhiqiza i-polymer equkethe i-trioxysilyl ester iqembu. Enqubweni yokuxhumanisa, i-Polymer eFrantmer i-Francil i-hydrolyled okokuqala i-hydrolysed ebukhoneni bamanzi ukukhiqiza i-silanol, kanye ne- - oh condenses nge-si-sin mound, ngaleyo ndlela uxhumane ne-polymer ama-macromolecule.
I-2.Silane exhumene nentambo yekhebula exhumeke nge-2.Silane kanye nendlela yayo yokukhiqiza ikhebula
Njengoba wazi, kunezindlela ezimbili zokukhiqiza nezinyathelo ezimbili zezintambo ezixhumene nezintambo zezizwe nezintambo zazo. Umehluko phakathi kwendlela yezinyathelo ezimbili kanye nendlela eyodwa ye-One-step ukhona lapho kwenziwa khona inqubo yokuxhunyelelwa yi-sane, kwinqubo yokuxhunyelelwa kumenzi wezinto ezimbili zendlela yezinyathelo ezimbili, inqubo yokuxhunyela ekukhiqizweni kwe-Cable Production for indlela yesinyathelo esisodwa. I-polyethylene enezitebhisi ezihlangene ezimbili ezixhumene ne-polyethylene exhumene nengxenye yemakethe enkulu yakhiwa okubizwa ngokuthi yi-A no-B Material, ngezinto ezibonakalayo eziba yi-polyethylene eboshwe nge-catlyst master batch. Umgogodla ofakayo ubese exhumene namanzi afudumele noma umusi.
Kunolunye uhlobo lwe-polyethylene insulator exhumeke ka-silane elixhumene kabili, lapho okuqukethwe kukhiqizwa khona ngendlela ehlukile, ngethula uVinyl Selika ngokuqondile endaweni ye-polyethylene ngesikhathi sokuthola amaketanga anamaketanga e-silane.
Indlela eyodwa ye-One-step nayo inezinhlobo ezimbili, inqubo yendabuko yesinyathelo esisodwa yizinhlobo zezinto ezivuthiwe ngokuya ngefomula ngokwesilinganiso esikhethekile sohlelo olukhethekile lwe-meterision, libe yi-extruder ekhethekile ekhethekile ngesinyathelo esisodwa ukuqedela ukuxhunyelelwa nokukhishwa kwe I-Cable Insulation Core, kule nqubo, akukho mgogodla, asikho isidingo sokubamba iqhaza kwezitshalo ezibonakalayo, ngefektri yekhebula ukuqeda yedwa. Le mishini yokukhiqizwa ye-munye ye-silane exhumene ne-silane exhunyiwe nobuchwepheshe bokwakhiwa ingeniswa kakhulu kusuka phesheya futhi kuyabiza.
Olunye uhlobo lwesitebhisi esisodwa esixhumene ne-polyethylene exhumene nezinto ezibonakalayo ze-cable ezibonakalayo, zonke izinto eziluhlaza ngokuya ngefomula ngokwesilinganiso sendlela ekhethekile yokuxubana, ifakwe futhi ithengiswe, akukho okuqukethwe futhi b Izinto ezibonakalayo, isitshalo sekhebula singaba ngqo ku-extred ukuqedela isinyathelo ngasikhathi sinye ngokuxhunyelelwa nokukhishwa kwe-Cable Insuration Core. Isici esiyingqayizivele sale ndlela ukuthi asikho isidingo sokuthi i-extuders ekhethekile ekhethekile, njengoba inqubo yokuxhunyelelwa yi-rune ingaqedwa kwi-pvc extruder evamile ye-PVC, kanye nendlela yezinyathelo ezimbili isusa isidingo sokuxuba izinto ze-B ngaphambi kokukhishwa.
3. Ukwakheka kokwakheka
Ukwakhiwa kwe-polyethylene cable exhumeke kahle ye-polyethylene
. isetshenziswa noma isetshenziswe ngokwengxenye njenge-base resin yalokhu okuqukethwe. Ama-resins ahlukene avame ukuba nomthelela omkhulu ekuxhumekeni ngokuxhunyelelwa kanye nokuxhumeka ngokuxhumeka ngenxa yokwehluka kwesakhiwo sawo sangaphakathi se-macromolekral, ngakho-ke ukwakhiwa kuzoshintshwa ngokusebenzisa ama-resins ahlukene noma uhlobo olufanayo lwe-resin kusuka kubakhiqizi abahlukahlukene.
. Kuningi kakhulu ukudala ukuxhumeka kwe-polyethylene, okunciphisa uketshezi lwayo, ingaphezulu lomfakisi wokufakelwa olwengeziwe, kunzima ukunciphisa uhlelo. Njengoba inani le-Initiator elengezwa lincane kakhulu futhi liyazwela, kubalulekile ukusabalalisa ngokulinganayo, ngakho-ke lingezwa ngokujwayelekile kanye neSilane.
. Ngokufanayo, kunenkinga yokungeza uSilane, abakhiqizi bentambo yamanje bezama ukufezekisa umkhawulo waso ophansi ukunciphisa izindleko, ngoba iSilane ingeniswa, intengo ibiza kakhulu.
. Ukuze uqaphele, inani elingeziwe lokubheka inani le-DCP ukufanisa nokukhethwa. Enqubweni yokuxhumanisa izinyathelo ezimbili, iningi le-antioxidant lingangezwa ku-catalyst master batch, okunganciphisa umthelela kwinqubo yokuxhunyelelwa. Enqubweni yokuxhumanisa kwesinyathelo esisodwa, i-antioxidant ikhona kuyo yonke inqubo yokuxhunyelelwa, ngakho-ke ukukhetha kwezinhlobo kanye nenani kubaluleke kakhulu. Ama-antioxidants asetshenziswa kaningi angama-1010, 168, 330, njll.
(5) I-Polymerization Invibitor yengezwa ukuze ivimbise ukuxhunyelelwa kanye nenqubo yokuxhumanisa ngokuxhumanisa kokuphendula okuhlangene, ekwenzeni i-ejenti yokulwa nokunqamula, kunganciphisa ngempumelelo ukwenzeka kwe-C2C Cross-Lictinging, ngaleyo ndlela kuthuthukise I-fluidity ecubungula, ngaphezu kwalokho, ukungezwa kokuhlanganiswa ngezimo ezifanayo kuzokwandulwa yi-hydrolysis ye-polymerization inhibitor kunganciphisa i-hydrolysis ye-polyethylene exhunyiwe.
(6) Ama-Catalysts ajwayele ukufunwa kwe-organin (ngaphandle kokuwela okungokwemvelo), okuvame kakhulu ukuba yi-dibutyltin dibutyll (DBDTL), okuvame ukungezwa ngendlela ye-masterbatch. Enqubweni yezinyathelo ezimbili, okuhlanganisiwe (okubonakalayo) kanye ne-catalyst master batch (B Izinto ezibonakalayo) zihlanganiswa ngokwahlukana futhi izinto zokwenziwa zihlanganiswa ndawonye ngaphambi kokungezwa ku-extlinking yangaphambi kwento. Endabeni ye-One-step ye-polyethylene exhumene nezingeniso ezixhumene ne-polyethylene, i-polyethylene ephaketheni ayikafiki, ngakho-ke ayikho inkinga yokuxhuma kwangaphambili ngakho-ke i-catalyst ayidingi ukuhlanganiswa ngokwahlukana.
Ngaphezu kwalokho, kunama-silinanes ahlanganisiwe atholakala emakethe, okuyinhlanganisela ye-reene, i-Initiator, i-antioxidant, ezinye izinto zokuthambisa kanye nama-anti-Copper, futhi ngokuvamile asetshenziswa ezindleleni zokuxhumanisa ze-munye.
Ngakho-ke, ukwakhiwa kwe-polyethylene exhumene ne-polyethylene exhumene ne-polyethylene, ukwakheka kwawo okungathathwa njengenkimbinkimbi kakhulu futhi kuyatholakala ngolwazi olufanele, kepha ukwakheka okufanele kokukhiqiza, kuncike kwezinye izinguquko ukuze kuphothulwe, okudinga okugcwele Ukuqonda ngendima yezakhi ekwakhekeni kanye nomthetho womthelela wazo ekusebenzeni nasekutholeni kwabo.
Ezinhlotsheni eziningi zezinto zokwakha amakhebula, izinto zekhebula ezixhumene ne-lisane ezixhumekile (noma izinyathelo ezimbili noma isinyathelo esisodwa) kubhekwa njengezinhlobonhlobo zezinqubo zamakhemikhali ezenzeka kokukhishwa, ezinye izinto zekhebula ze-polyvinyl chloride (PVC) I-Polyethylene (PE) impahla yekhebula, inqubo ye-detlesion granution iyinqubo yokuxuba ngokomzimba, noma ngabe i-camer-exhumanisa ikhebula nokuxhumeka kwamakhemikhali, kungaba senqubweni ye-detlebion, noma i-Chempsion System Cable, akukho nqubo yamakhemikhali eyenzeka , Ngakho-ke, uma kuqhathaniswa, ukukhiqizwa kwezinto ezibonakalayo zekhebula ezixhumene ne-lisane kanye nokukhishwa kwentambo yokufakwa kwekhebula, ukulawulwa kwenqubo kubaluleke kakhulu.
I-4
Inqubo yokukhiqiza yesitebhisi esinezitebhisi ezixhumene nesibili esihlangene se-polyethylene
Inqubo yokukhiqiza engu-1 yezinyathelo ezimbili ezixhumene ne-polyethylene exhumanisa ne-a
Amanye amaphuzu asemqoka enqubweni yokukhiqiza yesitebhisi esihlangene esihlangene se-polyethylene exhumene ne-polyethylene exhumeke kahle:
(1) ukomisa. Njengoba i-polyethylene resin iqukethe inani elincane lamanzi, lapho likhishwe emazingeni okushisa aphezulu, amanzi ahlangana ngokushesha namaqembu akwaSilyl ukukhiqiza ukuxhumeka, okunciphisa ukuncipha kokuncibilika futhi kukhiqize ukuxhumeka kwangaphambi kokuncipha. Izinto eziqediwe ziqukethe namanzi ngemuva kokupholisa kwamanzi, okungadala futhi ukuwela kwangaphambili uma kungasuswanga, futhi kufanele futhi omiswe. Ukuze uqinisekise ikhwalithi yokomisa, kusetshenziswa iyunithi ejulile yokomisa.
(2) Amamitha. Njengoba ukunemba kokwakhiwa kwezinto ezibonakalayo kubalulekile, kuvame ukuncishiswa kwesilinganiso esingesisindo esingesisindo. I-polyethylene resin ne-antioxidant kulinganiswa futhi zondliwa nge-feed port ye-extuder, kuyilapho i-lisane futhi umsunguli uwohloka yiphampu esetshenziswayo ewuketshezi emgqonyeni wesibili noma wesithathu we-extrel yesibili noma yesithathu.
(3) Ukuxhunyelelwa kokuxhunyelelwa. Inqubo yokuxhunyelelwa yeSilane iphothulwa e-extred. Izilungiselelo zenqubo ye-extred, kufaka phakathi izinga lokushisa, inhlanganisela yesikulufa, isivinini sesivinini, isilinganiso sokuphakelayo, kufanele ulandele izilinganiso zokuphambana kwe-exten zingabunjiweyo futhi zixutshwe kahle, lapho ukubola ngaphambi kwesikhathi kwe-peroxide kungafiswanga , nokuthi izinto ezifanayo ezifanayo esigabeni sesibili se-extred kumele zibole ngokuphelele futhi inqubo yokuxhunyelelwa iqediwe, okujwayelekile isigaba se-extruder (LDPE) kukhonjisiwe kuThebula 1.
Amazinga okushisa angu-1 wezindawo ezingezona izinyathelo ezimbili
| Indawo yokusebenza | Zone 1 | Zone 2 | Zone 3 ① | Zone 4 | Zone 5 |
| Lokushisa p ° C | 140 | 145 | I-120 | I-160 | -Nqobile |
| Indawo yokusebenza | Zone 6 | Zone 7 | Zone 8 | Zone 9 | Umlomo uyafa |
| Lokushisa ° C | Umfana no-180 | 190 | 195 | 205 | 195 |
①I lapho kufakwa khona isilonda.
Ijubane lesikulufo se-extruder linquma isikhathi sokuhlala kanye nomphumela wokuxuba kwezinto ezibonakalayo ku-extred, uma isikhathi sokuhlala sifushane, ukubola kwe-peroxide akuphelele; Uma isikhathi sokuhlala isikhathi side kakhulu, ukubonakala kwezinto ezisetshenziswayo kukhuphuka. Ngokuvamile, isikhathi sokuhlala esimaphakathi sogogo esikhukhiselwalweni se-extruder kufanele silawulwe esifundweni sokuvulwa kwe-uhhafu ka-5-10. I-Feeding Speed ayigcini nje ngokunethonya elithile ngesikhathi sokuhlala lezinto ezibonakalayo, kepha futhi nasekuhlanganiseni nasekunciphiseni okuqukethwe, khetha isivinini esifanele sokudla futhi kubaluleke kakhulu.
(4) Ukupakishwa. Izinto ezihlanganisiwe ezihlanganisiwe ezihlangene ze-sane ezixhunyiwe ezihlangene kufanele zifakwe ezikhwameni eziyizinhlanganisela ze-aluminium-plastic ngomoya oqondile ukuze ziqede umswakama.
I-5
Isitebhisi esisodwa esixhumene ne-polyethylene exhumene ne-polyethylene exhumene nenqubo yayo yokuxhunyelelwa ngenxa yokukhishwa kwefektri ye-Cable ye-Cable. Yize ifomule elixhumene ne-polyethylene elixhumene ne-polyethylene elixhumene ngokugcwele libhekwe ngokugcwele ekuhlakazeni okusheshayo kweTestiator kanye ne-Silane kanye ne-Matering Shear, kepha inqubo yokuxhunyelelwa kufanele iqinisekiswe yi-polyethylene exhumene ne-silane eyodwa Isitshalo sokukhiqiza sokufakwa sigcizelele kaninginingi ekukhetheni okulungile kokushisa kwe-extrusion, okujwayelekile okunconyiwe okuthe xaxa kuboniswa kuThebula 2.
Ithebula 2 lokushisa kwe-extred extruder yendawo ngayinye (iyunithi: ℃)
| Indawo | Zone 1 | Zone 2 | Zone 3 | Zone 4 | I-flange | Ikhanda |
| Izinga lokushisa nokubanda | I-160 | 190 | 200 ~ 210 | 220 ~ 230 | I-230 | I-230 |
Lokhu kungenye yobuthakathaka be-polyethylene exhumene ne-munye, okuvame ukungadingeki lapho kukhipha izintambo ngezinyathelo ezimbili.
Imishini yokukhiqiza
Okokusebenza komkhiqizo kuyisiqinisekiso esibalulekile sokulawulwa kwenqubo. Ukukhiqizwa kwezintambo ezixhumene ne-lisane ezixhumekile kudinga ukunemba okuphezulu kakhulu kokulawula inqubo, ngakho-ke ukukhetha kwemishini yokukhiqiza kubaluleke kakhulu.
Ukukhiqizwa kwesitebhisi esinezitezi ezimbili ezixhumene ne-polyethylene exhumene nemishini yokukhiqiza yezinto ezibonakalayo, njengamanje i-isotropic parallel parallel parallel parallel twin-screw extruder nge-exining ezingeniswanga isisindo, amadivaysi anjalo angahlangabezana nezidingo zokuthola ukunemba kwenqubo, ubude nobubanzi be I-Twin-screw extredrer ukuqinisekisa ukuthi isikhathi sokuhlala izinto ezibonakalayo, ukukhethwa kokungenisa okuphakathi kokungenisa ngokungemthetho ukuqinisekisa ukunemba kwezithako. Vele kunemininingwane eminingi yemishini edinga ukunakwa ngokuphelele.
Njengoba kushiwo ngaphambili, i-One-step exhumeke ka-Silane Cross-liclow-liclow-exhumeke ku-Cable Plant, abize kakhulu, abakhiqizi bemishini yasekhaya abanayo imishini yokukhiqiza efanayo, isizathu ukuntuleka kokubambisana phakathi kwabakhiqizi bemishini kanye nefomula kanye nenqubo abacwaningi.
7.Silane Natural Natural Cross-liclowed polyethylene exhuma
Izinto ze-polyethylene ezihlangene zemvelo ezixhumene ne-polyethylene ezihlanganisiwe eminyakeni yamuva nje zingaxhunyaniswa ngaphansi kwezimo zemvelo kungakapheli izinsuku ezimbalwa, ngaphandle kokucwiliswa kwamanzi noma okufudumele. Uma kuqhathaniswa nendlela yendabuko yokuxhumanisa i-silane, lokhu kunganciphisa inqubo yokukhiqiza yabakhiqizi be-Cable, kunciphisa izindleko zokukhiqiza kanye nokwandisa ukusebenza kahle kokukhiqiza. I-polyethylene ye-polyethylene exhumeke kahle yaseSilane ngokwemvelo iyabonakala futhi isetshenziswa ngabakhiqizi bekhebula.
Eminyakeni yamuva nje, ukufakwa kwe-polyethylene yemvelo yasekhaya ephakathi kwezilwandle kuvuthiwe futhi kukhiqizwe ngamanani amakhulu, ngezinzuzo ezithile ngentengo ngokuqhathaniswa nezinto zokwakha ezingenisiwe.
7. 1 Imibono Yakheka Ye-Polyethylene exhumene ne-polyethylene insonations
Izingeniso ze-polyethylene ezixhumene ne-salyethylene ezixhumekile ze-salyethylene zikhiqizwa kwinqubo yezinyathelo ezimbili, ngokuqamba okufanayo okubandakanya i-Base Resin, iTatiator, i-antioxidant, inhibitor, i-polymerisation inhibitor kanye ne-polymerisation inhibitor kanye ne-calystst. Ukwenziwa kwe-polyethylene ye-polyethylene exhumeke kahle kwe-polyethylene kususelwa ekukhuliseni izinga lokuxhumeka kwe-reethana Ukusetshenziswa kwezinto zokwakha ezinezinga eliphakeme eliphakeme elihlanganisiwe elihlangene ne-catalyst esebenza kahle kuzokwenza i-polyethylene insulitator exhumene ne-polyethylene insul-link ngokushesha ngisho nangamazinga okushisa aphansi nangokushisa okunempilo.
Izinto ezisetshenziswayo ze-polyethylene exhumekile e-polyethylene exhumekile e-polyethylene exhumene ne-polytherication, lapho okuqukethwe yiSilima kungalawulwa esigabeni esiphakeme, kanti ukukhiqizwa kwezinto zokwakha ezinamanani aphezulu okuxhunyelelwa ngokuxhunyelelwa kunzima. I-Base Resin, i-Initiator kanye noSilane esetshenziswe kwiresiphi kufanele ihlukane futhi iguqulwe ngokuya ngezinhlobonhlobo kanye nokwengeza.
Ukukhethwa kokumelana nokulungiswa kwemithamo yalo kubalulekile futhi, njengoba ukwanda kwezinga lokuxhunyelelwa kweSilima kuholela ekuphendukeni okuphezulu kwe-CC Cornglinking Meet. Ukuze uthuthukise ukucutshungulwa ushukela kanye nesimo sendawo esetshenziselwa ukukhishwa okulandelayo kwekhebula, inani elifanelekile le-polymerization inhibitor liyadingeka ukuvimbela ngempumelelo ngempumelelo i-CC crosslinking futhi yangaphambi kokuwela kwangaphambili.
Ngaphezu kwalokho, ama-catalysts adlala indima ebalulekile ekwandiseni izinga lokuwela futhi kufanele akhethwe njengezinto ezisebenza kahle eziqukethe izinto zensimbi ezingenamsebenzi.
7. 2 isikhathi sokuwela esilizwe ngokwemvelo semvelo semvelo se-polyethylene insoft
Isikhathi esidingekayo sokuqedela ukuxhumanisa ukuxhumeka kwesihlalo se-polyethylene yemvelo esihlangene se-polyethylene esendaweni yaso yemvelo kuncike ekushiseni, umswakama kanye nobukhulu besendlalelo sokufakelwa. Ukushisa okuphezulu komswakama kanye nomswakama, omncane ubukhulu besendlalelo sokufakelwa, okufushane isikhathi esifushane esidingekayo, futhi okuphikisana okude. Njengoba izinga lokushisa kanye nomswakama uhluka esifundeni uye esifundeni nakusizini kuya ngesizini, ngisho nasendaweni efanayo futhi ngasikhathi sinye, izinga lokushisa kanye nomswakama nanamuhla kuzohluka. Ngakho-ke, ngesikhathi sokusetshenziswa kwezinto ezibonakalayo, umsebenzisi kufanele anqume isikhathi esixhuma ngokuxhumeka ngokusho kokushisa kwasekhaya nangomswakama, kanye nokucaciswa kwentambo nobukhulu besendlalelo sokufakelwa.
Isikhathi sePosi: Aug-13-2022