Uruhare rwa Antioxydants mu kuzamura ubuzima bwa Polyethylene (XLPE) Ihuza insinga
Polyethylene ihuza (XLPE)ni ibikoresho byibanze byifashishwa mu nsinga ziciriritse kandi nini cyane. Mubuzima bwabo bukora, insinga zihura nibibazo bitandukanye, harimo ibihe bitandukanye byikirere, ihindagurika ryubushyuhe, imihangayiko, hamwe n’imikoranire ya shimi. Izi ngingo hamwe zigira uruhare runini kuramba no kuramba kwinsinga.
Akamaro ka Antioxydants muri sisitemu ya XLPE
Kugirango umenye igihe kinini cyumurimo wa XLPE-insinga, guhitamo antioxydants ikwiye ya sisitemu ya polyethylene ni ngombwa. Antioxydants igira uruhare runini mu kurinda polyethylene kwirinda kwangirika kwa okiside. Mugihe cyihuse hamwe na radicals yubusa ikorwa mubintu, antioxydants ikora ibintu byinshi bihamye, nka hydroperoxide. Ibi nibyingenzi cyane kuberako inzira nyinshi zihuza XLPE zishingiye kuri peroxide.
Inzira yo Gutesha agaciro Polymers
Igihe kirenze, polymers nyinshi zigenda zicika buhoro buhoro kubera kwangirika gukomeje. Iherezo ryubuzima bwa polymers risobanurwa nkingingo aho kurambura kwabo kuruhuka kugabanuka kugera kuri 50% byagaciro kambere. Kurenga iyi mbago, ndetse no kugoreka gato kwa kabili birashobora kugushikana no gutsindwa. Ibipimo mpuzamahanga bikunze kwemeza iki gipimo cya polyolefine, harimo na polyolefine ihuza, kugirango isuzume imikorere yibintu.
Icyitegererezo cya Arrhenius kubuzima bwa Cable
Isano iri hagati yubushyuhe nubuzima bwa kabili isobanurwa hakoreshejwe ikigereranyo cya Arrhenius. Iyi mibare yerekana imibare yerekana igipimo cyimiti nka:
K = D e (-Ea / RT)
Aho:
K: Igipimo cyihariye cyo kwitwara
D: Guhoraho
Ea: Ingufu zo gukora
R: Gazi ya Boltzmann ihoraho (8.617 x 10-5 eV / K)
T: Ubushyuhe budasanzwe muri Kelvin (273+ Ubushyuhe muri ° C)
Gutondekanya algebraically, ikigereranyo gishobora kugaragazwa nkumurongo ugaragara: y = mx + b
Uhereye kuri iri gereranya, imbaraga zo gukora (Ea) zishobora kuboneka hakoreshejwe imibare ishushanyije, igafasha guhanura neza ubuzima bwumugozi mubihe bitandukanye.
Ibizamini byihuse byo gusaza
Kugirango umenye igihe cyimigozi ya XLPE ikingiwe, ingero zigeragezwa zigomba gukorerwa ubushakashatsi bwihuse bwo gusaza byibuze byibuze bitatu (byaba bine). Ubu bushyuhe bugomba kumara intera ihagije kugirango hashyizweho umurongo hagati yigihe-kunanirwa nubushyuhe. Ikigaragara ni uko ubushyuhe bwo hasi cyane bugomba kuvamo igihe-cyo-kurangiza-byibuze amasaha 5.000 kugirango tumenye neza amakuru yikizamini.
Ukoresheje ubu buryo bukomeye no guhitamo antioxydants ikora cyane, kwizerwa kumikorere no kuramba kwinsinga za XLPE zirashobora kwiyongera cyane.
Igihe cyo kohereza: Mutarama-23-2025