Iindaba zeNkampani
Uvandlakanyo lokusebenza lwezixhobo zebhatyi yentambo
Njengamandla abalulekileyo kunye nesixhobo sokuhambisa umqondiso, intambo isetyenziswa ngokubanzi kwiindawo ezahlukeneyo ezigqithisileyo. Kwizicelo ezahlukeneyo, izixhobo ze-cable sheath zidlala indima ebalulekileyo ekukhuseleni izinto zangaphakathi zeentambo kwizinto zokusingqongileyo ezifana nokufuma, ubushushu, kunye noxinzelelo lomatshini.
Kweli phepha, izinto ezisibhozo ezisetyenziswa ngokuqhelekileyo ikhebula sheathing - crosslinked polyethylene (XLPE), polytetrafluoroethylene (PTFE), fluorinated ethylene propylene (FEP), perfluoroalkoxy resin (PFA), polyurethane (PUR), polyethylene (PE), thermoplastic elastomer (TPE) kunye ne-polyvinyl chloride (PVC) zithathwa njengemizekelo. Ngamnye uneempawu ezahlukeneyo zokusebenza, injongo kukuvavanya ngokubanzi ukusebenza kwezi zixhobo ngovavanyo olusebenzayo kunye nohlalutyo lwedatha, kunye nokubonelela ngesikhokelo esisebenzayo soyilo kunye nokusetyenziswa kwejacket yekhebula.
Izixhobo zebhatyi:
Uphando lwentsebenzo yezinto eziphathekayo kunye novavanyo olusebenzayo
1. Uvavanyo lokumelana nobushushu
Senze iimvavanyo zokuxhathisa ubushushu kwizinto ezisibhozo, kubandakanywa ukuguga kwe-thermal kunye novavanyo lwempembelelo yobushushu obuphantsi.
Uhlalutyo lwedatha:
| Izinto eziphathekayo | Uluhlu lobushushu lokuguga kwe-thermal (℃) | Ubushushu obuphantsi befuthe lobushushu (℃) |
XLPE | -40~90 | -60 |
PTFE | -200~260 | -200 |
FEP | -80~200 | -100 |
PFA | -200 ~ 250 | -150 |
NANGONA | -40~80 | -40 |
VULA | -60~80 | -60 |
TPE | -60 ~ 100 | -40 |
I-PVC | -10~80 | -10 |
Njengoko kunokubonwa kwidatha, i-PTFE kunye ne-PFA zinoluhlu olubanzi lobushushu kwaye zifaneleke ngokukodwa kwiindawo eziphezulu kunye nezisezantsi.
2. Uvavanyo lokumelana namanzi
Sivavanye imathiriyeli yokunganyangeki kwamanzi, kubandakanya iimvavanyo zokufunxa kunye neemvavanyo zokuhambisa umphunga wamanzi.
Uhlalutyo lwedatha:
Izinto eziphathekayo | Izinga lokufunxa kwamanzi (%) | Ukuhanjiswa komphunga wamanzi (g/m² · 24h) |
XLPE | 0.2 | 0.1 |
PTFE | 0.1 | 0.05 |
FEP | 0.1 | 0.08 |
PFA | 0.1 | 0.06 |
NANGONA | 0.3 | 0.15 |
VULA | 0.4 | 0.2 |
TPE | 0.5 | 0.25 |
I-PVC | 0.8 | 0.3 |
Ukusuka kwidatha, kunokubonwa ukuba i-PTFE, i-FEP, kunye ne-PFA zinokufunxa okusezantsi kwamanzi kunye nokusebenza okugqwesileyo kokuthintela umphunga wamanzi, ebonisa ukuxhathisa okulungileyo kwamanzi.
3. Uvavanyo lokuxhathisa ngundo
Senze imifuniselo yexesha elide yenkcubeko yokungunda ukujonga kwaye sirekhode ukukhula komngundo kumphezulu wesixhobo ngasinye.
Uhlalutyo lwedatha:
| Izinto eziphathekayo | Imeko yokukhula komngundo |
XLPE | Ukukhula okuncinci |
PTFE | Akukho ukukhula |
FEP | Akukho ukukhula |
PFA | Akukho ukukhula |
NANGONA | Ukukhula okuncinci |
VULA | Ukukhula okuncinci |
TPE | Ukukhula okuphakathi |
I-PVC | Ukukhula okubonakalayo |
Ukusuka kwidatha, kunokubonwa ukuba i-PTFE, i-FEP, kunye ne-PFA zinomsebenzi obalaseleyo wokulwa nokungunda kwiindawo ezifumileyo.
4. Uvavanyo lokusebenza kombane
Iimpawu zombane zezinto eziphathekayo, ezifana nokuchasana kwe-insulation kunye namandla e-dielectric, zavavanywa.
Uhlalutyo lwedatha:
Izinto eziphathekayo | Ukuxhathisa kwi-Insulation (Ω · m) | Amandla eDielectric (kV/mm) |
XLPE | 10^14 | 30 |
PTFE | 10^18 | 60 |
FEP | 10^16 | 40 |
| PFA | 10^17 | 50 |
NANGONA | 10^12 | 25 |
VULA | 10^11 | 20 |
TPE | 10^13 | 35 |
I-PVC | 10^10 | 15 |
Ukusuka kwidatha, kunokubonwa ukuba i-PTFE inokumelana nokugquma okuphezulu kunye namandla e-dielectric, ebonisa ukusebenza kakuhle kombane. Nangona kunjalo, ukusebenza kombane kwePVC kumbi kakhulu.
5. Uvavanyo lwepropathi yoomatshini
Iipropathi zoomatshini ezifana namandla okuqina kunye nobude ngexesha lekhefu zavavanywa.
Uhlalutyo lwedatha:
Izinto eziphathekayo | Amandla okuqina (MPa) | Ukwandiswa ngexesha lekhefu (%) |
XLPE | 15-30 | 300-500 |
PTFE | 10-25 | 100-300 |
FEP | 15-25 | 200-400 |
PFA | 20-35 | 200-450 |
NANGONA | 20-40 | 400-600 |
VULA | 10-20 | 300-500 |
TPE | 10-30 | 300-600 |
I-PVC | 25-45 | 100-200 |
Iintambo zihlala ziphantsi kokugoba, ukujija, kunye nezinye iindlela zoxinzelelo lomatshini ngexesha lofakelo kunye nokusebenza. Ukuvavanya amandla okuqina, ukuguquguquka, kunye nokuxhatshazwa kwe-abrasion yezinto zebhatyi kubalulekile ekuqinisekiseni amandla abo okumelana noxinzelelo olunjalo ngaphandle kokubeka esichengeni ukuthembeka kwentambo. Ubude ngexesha lekhefu kwaye baneempawu ezilungileyo zoomatshini, ngelixa i-PVC ineempawu ezimbi zoomatshini.
Ngokusekwe kuhlalutyo lwedatha olungentla, kuyacetyiswa ukuba ukhethe imathiriyeli yebhatyi yekhebula efanelekileyo ngokweemeko ezithile zesicelo kunye neemfuno:
Ukumelana nobushushu: I-PTFE kunye ne-PFA zinoluhlu olubanzi lobushushu kwaye zifaneleke ngakumbi iindawo zobushushu eziphakamileyo nezisezantsi. Ezi zinto zimbini zifanelekile kwizicelo ezifuna ukushisa okukhulu.
Ukumelana namanzi: I-PTFE, i-FEP kunye ne-PFA zinokufunxa amanzi aphantsi kunye neempawu ezibalaseleyo zokuthintela umphunga wamanzi, ezibonisa ukuxhathisa okulungileyo kwamanzi. Ezi zixhobo kufuneka zithathelwe ingqalelo kwiintambo ezisetyenziselwa kwiindawo ezimanzi okanye ezingaphantsi kwamanzi.
Ukuxhathisa ngundo: I-PTFE, i-FEP kunye ne-PFA zinokuxhathisa okubalaseleyo kokungunda kwiindawo ezifumileyo. Ezi zixhobo zikhethwa kwiintambo ezifuna ukusetyenziswa ixesha elide kwiindawo ezifumileyo okanye zokungunda.
Iimpawu zombane: I-PTFE inokumelana nokugquma okuphezulu kunye namandla e-dielectric, ebonisa iimpawu zombane ezigqwesileyo. Kwizicelo ezifuna ukusebenza kombane okuphezulu, njengeentambo eziphezulu ze-voltage okanye iintambo zokuhambisa umqondiso, i-PTFE lolona khetho lufanelekileyo.
Iimpawu zoomatshini: I-PUR kunye ne-TPE zisebenza ngcono kumandla okuqina kunye nobude ngexesha lekhefu, kwaye zineempawu ezilungileyo zoomatshini. Kwiintambo ezifuna ukujamelana noxinzelelo olukhulu lomatshini okanye i-deformation, ezi zinto zimbini zinokuqwalaselwa.
Lilonke, uvandlakanyo lwentsebenzo yeintamboimathiriyeli ye-sheath ibandakanya uvavanyo olubanzi lokuchasana kwabo kwizinto zokusingqongileyo, ukusebenza kombane, amandla omatshini, njl. Ngovavanyo olubanzi, abavelisi kunye nabasebenzisi banokwenza izigqibo zobulumko zokukhetha imathiriyeli ye-cable sheath ehambelana neemfuno zabo zesicelo, ekugqibeleni baphucule ngokubanzi. ukuthembeka kunye nobomi benkonzo yenkqubo yentambo.
IKHAMPANI ibonelela ngenkxaso yethiyori eqinileyo yokukhuthaza ukuphuculwa kokusebenza okubanzi kunye nophuhliso oluzinzileyo lwemathiriyeli yentambo yangaphandle yeshefu. Kwangaxeshanye, ngophuhliso oluqhubekayo lwetekhnoloji entsha yemathiriyeli kunye nokunyuka kwemfuno yesicelo, siya kujonga phambili kwizinto ezingaphezulu zokusebenza kwentambo yangaphandle kunye nawe, sifaka ubutsha obutsha kwinkqubela phambili yoshishino lwentambo.