2023-10-12
Ukusebenza kwezinto zokuvikela i-insulating kuthinta ngqo ikhwalithi, ukusebenza kahle kokucubungula, kanye nobubanzi besicelo sezintambo ze-solar photovoltaic.Lesi sihloko sizohlaziya kafushane izinzuzo nezingozi zezinto ezivame ukusetshenziswa ze-solar photovoltaic cable insulation, okuhloswe ngazo ukuxoxisana nemboni futhi kufinyeze kancane kancane igebe ngezintambo zamazwe ngamazwe.
Ngenxa yomehluko phakathi kwezinto ezihlukene zokuvikela i-insulating, ukukhiqizwa kwezintambo nezintambo kanye nokucubungula ucingo kunezici zabo siqu.Ukuqonda okuphelele kwalezi zici kuzoba nenzuzo ekukhethweni kwezinto zekhebula le-photovoltaic kanye nokulawulwa kwekhwalithi yomkhiqizo.
I-PVC polyvinyl chloride (ngemuva kwalokhu ebizwa ngokuthi i-PVC) insulation impahla iyingxube yezinzisi, amapulasitiki, izinto ezibuyiswa ngamalangabi, izinto zokugcoba nezinye izithasiselo ezingezwe kumpushana we-PVC.Ngokusho kokusetshenziswa okuhlukile kanye nezici ezihlukene zocingo nekhebula, ifomula ilungiswa ngokufanele.Ngemva kwamashumi eminyaka okukhiqizwa nokusetshenziswa, ubuchwepheshe bamanje bokukhiqiza nokucubungula i-PVC buvuthwe kakhulu.I-PVC insulation material inobubanzi obubanzi bezinhlelo zokusebenza emkhakheni wezintambo ze-solar photovoltaic, futhi inezici zayo ezisobala:
I-1) Ubuchwepheshe bokukhiqiza buvuthiwe futhi kulula ukubunjwa nokwenziwa.Uma kuqhathaniswa nezinye izinhlobo zezinto zokufakwa kwamakhebula, azigcini nje ngokuba nezindleko eziphansi, kodwa futhi zingalawulwa ngokuphumelelayo ngokwehlukana kombala ongaphezulu, idigri eyisimungulu ekhanyayo, ukuphrinta, ukusebenza kahle kokucubungula, ubulukhuni obuthambile, ukunamathela komqhubi, izakhiwo zemishini, zomzimba nezikagesi. yocingo uqobo.
I-2) Inezici ezinhle kakhulu zokuvimbezela ilangabi, ngakho-ke izintambo ze-PVC ezifakwe ngaphakathi zingafinyelela kalula amamaki avimbela ilangabi adingwa izindinganiso ezihlukahlukene.
3) Mayelana nokumelana nezinga lokushisa, ngokulungiswa kanye nokwenza ngcono kwefomula yezinto ezibonakalayo, izinhlobo zokufakwa kwe-PVC ezisetshenziswa njengamanje ikakhulukazi zihlanganisa lezi zigaba ezintathu ezilandelayo:
| Isigaba sezinto | Izinga lokushisa elilinganiselwe (ubukhulu) | Isicelo | Sebenzisa izici |
| uhlobo olujwayelekile | 105℃ | I-insulation kanye nejacket | Ubulukhuni obuhlukene bungasetshenziswa ngokuvumelana nezidingo, ngokuvamile buthambile, bulula ukubunjwa kanye nokucubungula. |
| I-Semi-rigid (SR-PVC) | 105℃ | I-Core insulation | Ukuqina kuphakeme kunohlobo olujwayelekile, futhi ubulukhuni bungaphezu koShore 90A.Uma kuqhathaniswa nohlobo olujwayelekile, amandla e-insulation mechanical ayathuthukiswa, futhi ukuzinza kokushisa kungcono.Ububi ukuthi ukuthamba akulungile, futhi ububanzi bokusetshenziswa buthinteka. |
| I-PVC exhunyiwe (XLPVC) | 105℃ | I-Core insulation | Ngokuvamile, ixhunywe ngokushisa imisebe ukuze iguqule i-PVC evamile ye-thermoplastic ibe ipulasitiki e-thermosetting engancibiliki.Isakhiwo samangqamuzana sizinze kakhulu, amandla omshini wokugquma ayathuthukiswa, futhi izinga lokushisa lesifunda esifushane lingafinyelela ku-250 ° C. |
4) Ngokuya nge-voltage elinganiselwe, ngokuvamile isetshenziselwa ama-voltage akalwe angu-1000V AC nangaphansi, angasetshenziswa kakhulu ezintweni zikagesi zasendlini, izinsimbi, izibani, ukuxhumana kwenethiwekhi nezinye izimboni.
I-PVC futhi inokushiyeka okuthile okukhawulela ukusetshenziswa kwayo:
1) Ngenxa yokuthi iqukethe inani elikhulu le-chlorine, intuthu enkulu eminyene izofutha lapho isha, ithinte ukubonakala, futhi ikhiqize ezinye izinto ezibangela umdlavuza negesi ye-HCl, ezodala umonakalo omkhulu endaweni ezungezile.Ngokuthuthukiswa kobuchwepheshe bokukhiqiza impahla yokufakwa kwe-halogen engenantuthu ephansi, ukushintsha kancane kancane ukufaka esikhundleni se-PVC sekuphenduke inkambiso engenakugwenywa ekuthuthukisweni kwekhebula.Njengamanje, amanye amabhizinisi anethonya futhi anesibopho emphakathini abeke ngokucacile uhlelo lwezikhathi lokushintsha izinto ze-PVC kuzindinganiso zobuchwepheshe zenkampani.
2) Ukufakwa kwe-PVC okujwayelekile kunokumelana okuphansi nama-acids nama-alkali, uwoyela ongangeni ekushiseni, nezinyibilikisi zemvelo.Ngokwezimiso zamakhemikhali ezifanayo zokuhambisana, izintambo ze-PVC zonakaliswa kalula futhi ziqhekekile endaweni ecacisiwe.Nokho, ngokusebenza kwayo okuhle kakhulu kokucubungula kanye nezindleko eziphansi.Izintambo ze-PVC zisasetshenziswa kabanzi ezintweni zikagesi zasendlini, ukukhanyisa, okokusebenza kwemishini, izinsimbi, ukuxhumana kwenethiwekhi, izintambo zokwakha kanye neminye imikhakha.
I-Cross-linked polyethylene (i-Cross-link PE, kamuva ebizwa ngokuthi i-XLPE) iyi-polyethylene engaphansi kwemisebe yamandla aphezulu noma ama-agent axhumanisa, futhi ingashintsha isuka esakhiweni samangqamuzana eqondile iye esakhiweni esinezinhlangothi ezintathu ngaphansi kwezimo ezithile. .Ngesikhathi esifanayo, iguqulwa isuka ku-thermoplastic ibe ipulasitiki ye-thermosetting engancibiliki.Ngemuva kokufakwa i-irradiation,Ikhebula lelanga le-XLPEI-insulation sheath inezindawo zokumelana nokushisa okuphezulu, ukumelana nemisebe ye-ultraviolet, ukumelana nowoyela, ukumelana nokubanda, njll., nempilo yenkonzo engaphezu kweminyaka engama-25, engenakuqhathaniswa nezintambo ezijwayelekile.
Njengamanje, kunezindlela ezintathu eziyinhloko zokuxhumanisa ekufakweni kocingo nokufakwa kwentambo:
1) I-peroxide crosslinking.Okokuqala, i-polyethylene resin ixutshwa ne-agent efanele yokuxhumanisa kanye ne-antioxidant, futhi ezinye izithako zengezwa njengoba kudingeka ukuze kwenziwe izinhlayiya zengxube ye-polyethylene exhumanisa.Phakathi nenqubo ye-extrusion, ukuxhumanisa kwenzeka ngepayipi elixhumanisa umusi oshisayo.
2) ISilane crosslinking (amanzi afudumele crosslinking).Futhi kuyindlela yokuxhumanisa amakhemikhali.Indlela eyinhloko ukuxhumanisa i-organosiloxane ne-polyethylene ngaphansi kwezimo ezithile.Izinga lokuxhumanisa ngokuvamile lingafinyelela cishe ku-60%.
I-3) I-Irradiation crosslinking ukusetshenziswa kwemisebe yamandla aphezulu njenge-r-ray, i-α-ray, imisebe ye-electron namanye amandla ukuze kusebenze ama-athomu e-carbon kuma-macromolecules e-polyethylene ukuze axhumane.Imisebe yamandla aphezulu evame ukusetshenziswa ezintanjeni nasezintanjeni imisebe yama-electron ekhiqizwa ama-accelerator ama-electron., Ngenxa yokuthi ukuxhumanisa kuncike emandleni angokwenyama, kuwukuxhumanisa ngokomzimba.Izindlela ezintathu ezingenhla ezihlukene zokuxhumanisa zinezici ezihlukene kanye nezicelo:
| Isigaba sokuxhumanisa | Izici | Isicelo |
| I-peroxide crosslinking | Ngesikhathi senqubo yokuxhumanisa, izinga lokushisa kufanele lilawulwe ngokuqinile, futhi ukuxhumanisa kukhiqizwa ngepayipi elixhumanisa isitimu esishisayo. | Ilungele ukukhiqizwa kwezintambo ezinamandla kakhulu, ezinobude obukhulu, ezinezigaba ezinkulu, futhi ukukhiqizwa kwezinto ezincane kumosha kakhulu. |
| Silane crosslinking | I-Silane cross-linking ingasebenzisa imishini evamile.I-Extrusion ayinqunyelwe izinga lokushisa.Ukuxhumanisa kuqala lapho kuvezwa umswakama.Uma izinga lokushisa liphakeme, isivinini sokuxhumanisa sishesha. | Ifanele izintambo ezinosayizi omncane, ukucaciswa okuncane kanye ne-voltage ephansi.I-cross-linking reaction ingaqedwa kuphela lapho kukhona amanzi noma umswakama, ofaneleka ukukhiqizwa kwezintambo zamandla aphansi. |
| I-radiation crosslinking | Ngenxa yamandla omthombo wemisebe, isetshenziselwa ukwahlukanisa okungaminyene kakhulu.Lapho i-insulation ishubile kakhulu, kungenzeka kube nemisebe engalingani. | Ifanele ukushuba kokufakwayo ayiwugqinsi kakhulu, ikhebula elikwazi ukumelana nokushisa kokushisa okuphezulu. |
Uma kuqhathaniswa ne-thermoplastic polyethylene, ukwahlukanisa kwe-XLPE kunezinzuzo ezilandelayo:
I-1) Ukuthuthukiswa kokumelana nokushisa kokushisa, izakhiwo ezithuthukisiwe zemishini emazingeni okushisa aphezulu, nokumelana okuthuthukisiwe ekuqhekekeni kokucindezeleka kwemvelo nokuguga kokushisa.
2) Ukuqina kwamakhemikhali okuthuthukisiwe nokumelana ne-solvent, ukugeleza okubandayo okuncishisiwe, ngokuyisisekelo kugcinwe ukusebenza kukagesi kwasekuqaleni, izinga lokushisa lokusebenza lesikhathi eside lingafinyelela ku-125 ℃ no-150 ℃, intambo ehlanganisiwe ye-polyethylene ehlanganisiwe nekhebula, nakho kuthuthukisiwe. , izinga lokushisa layo lesikhathi esifushane lingafinyelela ku-250 ℃, ukushuba okufanayo kocingo nekhebula, umthamo wamanje wokuthwala we-XLPE mkhulu kakhulu.
I-3) Izintambo nezintambo ze-XLPE ezivalekile zinezakhiwo ezinhle kakhulu zokumelana nemishini, i-waterproof kanye ne-radiation, ngakho-ke zinezinhlobonhlobo zezinhlelo zokusebenza.Okufana nalokhu: izintambo zikagesi zokuxhuma zangaphakathi zangaphakathi, amalayidi emoto, imikhondo yokukhanyisa, izintambo zokulawula isignali yemoto ephansi, izintambo zesitimela, izintambo ezingaphansi komhlaba kanye nezintambo, izintambo zokuvikela imvelo ezimayini, izintambo zasolwandle, izintambo zamandla enuzi, izintambo ze-TV ezinamandla kagesi, X -RAY ukudubula izintambo high-voltage, namandla Transmission wire kanye nezimboni zamakhebula.
I-Slocable XLPE Ikhebula Lelanga
Izintambo ze-XLPE ezivalekile nezintambo zinezinzuzo ezibalulekile, kodwa futhi zineziphambeko zazo, ezikhawulela ukusetshenziswa kwazo:
I-1) Ukusebenza okubi kokuvimbela ukushisa.Ukucubungula nokusebenzisa izintambo ezingeni lokushisa elingaphezu kwezinga lokushisa elilinganiselwe lezintambo kungabangela kalula ukunamathela phakathi kwezintambo, okungabangela ngokujulile ukuthi i-insulation iphuke futhi yakhe isifunda esifushane.
2) Ukusebenza okungenamandla okumelana nokushisa.Emazingeni okushisa angaphezu kuka-200°C, i-insulation yezintambo iba thambile ngokwedlulele, futhi iminywe futhi ithinteke amandla angaphandle kungabangela kalula ukuthi ucingo lunqamuke futhi lufinyezeke.
3) Umehluko wombala phakathi kwamaqoqo kunzima ukuwulawula.Ngesikhathi sokucutshungulwa, kulula ukuklwebha, kube mhlophe, nokuphrinta.
4) Ukufakwa kwe-XLPE ezingeni lokushisa elingu-150°C, okungenayo i-halogen ngokuphelele futhi ekwazi ukudlula ukuhlolwa kokuvutha kwe-VW-1 kokucaciswa kwe-UL1581, nokugcina ukusebenza kahle kwemishini nogesi, kusenezingqinamba ezithile kubuchwepheshe bokukhiqiza, kanye nezindleko. iphezulu.
5) Alikho izinga elifanele likazwelonke lezintambo ezivalekile zalolu hlobo lwezinto ekuxhumekeni kwezinto zikagesi nezikagesi.
Irabha ye-Silicone nayo iyi-molecule ye-polymer iyisakhiwo seketango esakhiwe ngamabhondi e-SI-O (silicon-oxygen).Ibhondi ye-SI-O ingu-443.5KJ/MOL, ephakeme kakhulu kunamandla ebhondi ye-CC (355KJ/MOL).Iningi lezintambo zenjoloba ye-silicone nezintambo zisebenzisa i-extrusion ebandayo kanye nezinqubo zokushisa eziphezulu ze-vulcanization.Phakathi kwezintambo eziningi zenjoloba zokwenziwa kanye nezintambo, ngenxa yesakhiwo sayo esiyingqayizivele samangqamuzana, irabha ye-silicone isebenza kangcono kunamanye amarabha ajwayelekile:
I-1) Ithambile kakhulu, i-elasticity enhle, engenaphunga futhi engeyona enobuthi, ayesabi izinga lokushisa eliphezulu futhi imelana nokubanda okukhulu.Izinga lokushisa elisebenzayo lingu-90 ~ 300℃.Irabha ye-Silicone inokumelana nokushisa okungcono kakhulu kunerabha evamile, futhi ingasetshenziswa ngokuqhubekayo ku-200 ° C noma isikhathi esithile ku-350 ° C.Izintambo zenjoloba ye-Siliconebabe nemisebenzi emihle yomzimba kanye nemishini kanye nokuzinza kwamakhemikhali.
2) Ukumelana nesimo sezulu esihle kakhulu.Ngaphansi kokukhanya kwe-ultraviolet nezinye izimo zezulu isikhathi eside, izakhiwo zayo ezibonakalayo zinezinguquko ezincane kuphela.
I-3) Irabha ye-Silicone inokumelana okuphezulu, futhi ukumelana kwayo kuhlala kuzinzile ebangeni elibanzi lokushisa kanye nemvamisa.
Ikhebula Le-Flex Elingazweli Isimo Sezulu Eslocable
Ngesikhathi esifanayo, irabha ye-silicone inokumelana okuhle nokukhishwa kwe-corona ene-voltage ephezulu kanye nokukhishwa kwe-arc.Izintambo zenjoloba ye-silicone zinochungechunge lwezinzuzo ezibalulwe ngenhla, ikakhulukazi ezintanjeni zedivaysi ye-TV enamandla kakhulu, izintambo ezikwazi ukumelana nezinga lokushisa eliphezulu kuhhavini we-microwave, izintambo zezipheko ezingeniswayo, izintambo zebhodwe lekhofi, izintambo zesibani, izinto ze-UV, izibani ze-halogen, ihhavini nesiphephetha-moya. izintambo zokuxhuma zangaphakathi, njll. Kuyinkundla yemishini encane yasendlini enezinhlobonhlobo zezinhlelo zokusebenza, kodwa okunye ukushiyeka kwayo nakho kukhawulela uhlelo lokusebenza olubanzi.njenge:
1) Ukungazweli kahle kwezinyembezi.Ukukhishwa ngamandla angaphandle ngesikhathi sokucubungula noma ukusetshenziswa, kulula ukulinyazwa ngokukhuhla futhi kubangele isifunda esifushane.Isilinganiso samanje sokuzivikela siwukwengeza i-fiber yengilazi noma ungqimba olulukiwe lwefiber ye-polyester ephezulu ekufakweni kwe-silicone, kodwa kusadingeka ukugwema umonakalo obangelwa ukukhishwa kwamandla angaphandle ngangokunokwenzeka ngesikhathi sokucubungula.
2) I-ejenti evuvukalayo eyengezwe ekubumbeni i-vulcanization okwamanje isebenzisa i-double 24. I-vulcanizing agent iqukethe i-chlorine, futhi ama-agent angenayo i-halogen vulcanizing (afana ne-platinum vulcanization) anezidingo eziqinile kuzinga lokushisa kwendawo yokukhiqiza futhi ayabiza.Ngakho-ke, ukunakekelwa kufanele kukhokhwe ekucubungulweni kwezintambo zocingo: ukucindezela kwe-roller yokucindezela akufanele kube phezulu kakhulu, futhi kungcono kakhulu ukusebenzisa izinto zenjoloba ukuvimbela ukumelana nokucindezela okubi okubangelwa ukuphuka ngesikhathi sokukhiqiza.Ngesikhathi esifanayo, sicela uqaphele: izinyathelo zokuzivikela ezidingekayo kufanele zithathwe ngesikhathi sokukhiqizwa kwentambo ye-glass fiber ukuvimbela ukuhogela emaphashini futhi kuthinte impilo yabasebenzi.
Irabha ye-ethylene propylene exhunywe esiphambanweni iyi-terpolymer ye-ethylene, i-propylene kanye ne-non-conjugated diene, exhunywe ngokuphambana ngamakhemikhali noma i-irradiation.Izinzuzo zezintambo ezihlanganisiwe zenjoloba ye-EPDM, izintambo ezihlanganisiwe ze-polyolefin kanye nezintambo ezijwayelekile zenjoloba ezivalekile:
1) Ithambile, iguquguqukayo, inwebeka, ayinamatheli ekushiseni okuphezulu, ukumelana nokuguga isikhathi eside, ukumelana nesimo sezulu esibi (-60～125℃).
2) Ukumelana ne-ozone, ukumelana kwe-UV, ukumelana nokufakwa kukagesi, nokumelana namakhemikhali.
3) Ukumelana nowoyela kanye nokumelana ne-solvent kuqhathaniswa nokufakwa kwenjoloba ye-chloroprene yenjongo evamile.Ukucutshungulwa kwenziwa ngemishini evamile yokucubungula i-hot-extrusion, futhi i-irradiation cross-linking yamukelwa, elula futhi eshibhile.Izintambo ezihlanganisiwe zenjoloba ye-EPDM zineziningi zezinzuzo ezingenhla, futhi zisetshenziswa emithonjeni ye-compressor yesiqandisi, imikhondo yezimoto ezingangeni manzi, imikhondo ye-transformer, izintambo eziphathwayo ezimayini, ukubhoboza, izimoto, imishini yezokwelapha, izikebhe, kanye nezintambo zikagesi ezijwayelekile zangaphakathi.
Ububi obukhulu be-XLEPDM wire yilezi:
1) Uma kuqhathaniswa nezintambo ze-XLPE ne-PVC, ukumelana nezinyembezi kubi.
I-2) Ukunamathela kanye nokuzibophezela kumpofu, okuthinta ukucutshungulwa okulandelayo.
I-Dongguan Slocable Photovoltaic Technology Co.,LTD.
Engeza:Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China
TEL:0769-22010201
