I-PVC yokufudumeza ucingo, ebizwa nangokuthi i-heater, eyaziwa nangokuthi i-PVC yokushisa, ukusetshenziswa kwangaphakathi kwe-nickel-chromium alloy, i-Constantan alloy, i-copper-nickel alloy njengomqhubi wokushisa, ukusetshenziswa kwe-PVC insulation layer, umbala weyunithi ukujiya ngokuzikhethela. , umkhawulo wokushisa womkhiqizo ongu-105 ° C, isikhathi eside u-80 ° C ngaphansi kwempilo yesevisi efinyelela eminyakeni engu-8-12, ukushuba komkhiqizo nokusebenza kokugoba kuhle kakhulu, Kungamelana namandla adonsayo angaphansi kuka-35KG.
Nakuba ukumelana kwezinga lokushisa kwe-PVC yokushisa kwentambo kungu-105 ° C kuphela, ezinye izimboni zisakhetha i-PVC wire heater ukuze kuncishiswe isiqandisi.Ikakhulukazi ngenxa yokuthi impahla yokufaka i-polystyrene (PS) imelana ne-PVC, ingathintana ngqo nezinto ze-polystyrene (PS) ngaphandle kokudala umonakalo.Le nto inokumelana okuhle kwezinga lokushisa eliphansi, ifaneleka ikakhulukazi izikhathi ezidinga ukuthintana okuqondile nezinto ze-polystyrene, njengamanye amalayini esiqandisi.Kodwa-ke, ukumelana nokushisa okuphezulu kwale nto kungafinyelela ku-70 ° C kuphela, ngakho-ke isetshenziswa kuphela ezikhathini zamandla aphansi.Ngokujwayelekile angabi ngaphezu kuka-8W/m.
Ngaphambi kophenyo, sicela usithumele imininingwane engezansi:
1. Usithumelela umdwebo noma isithombe sangempela;
2. Usayizi we-heater, amandla kanye ne-voltage;
3. Noma yiziphi izidingo ezikhethekile ze-heater.