Kulowa kwa nthunzi ya chinyezi ndi chinthu chofunikira kuganizira posankha zipangizo zotetezera kutentha zomwe zimagwiritsidwa ntchito m'njira zosiyanasiyana. Pa kutetezedwa kwa thovu la rabara la NBR/PVC, kumvetsetsa kulowa kwa nthunzi ya chinyezi ndikofunikira kwambiri kuti mudziwe momwe imagwirira ntchito m'malo osiyanasiyana.
Chotetezera thovu la rabara la NBR/PVC ndi chinthu chomwe chimagwiritsidwa ntchito kwambiri mu HVAC, magalimoto ndi zomangamanga chifukwa cha mphamvu zake zabwino zotetezera kutentha komanso kusinthasintha kwake. Komabe, chimodzi mwa zinthu zofunika kwambiri pa chipangizochi ndi kulola kwake chinyezi kulowa, kapena kuthekera kwa nthunzi ya madzi kudutsamo.
Kulowa kwa chinyezi kwa zinthu zotetezera thovu la rabara la NBR/PVC kumatsimikiziridwa ndi kapangidwe kake ndi kapangidwe kake. NBR (acrylonitrile-butadiene rabara) ndi PVC (polyvinyl chloride) zonse ndi zinthu zopangidwa zomwe zimadziwika kuti zimakana chinyezi. Zikaphatikizidwa ndi zotetezera thovu, zimapanga chotchinga cholimba komanso chosalowa madzi chomwe chimaletsa kulowa kwa nthunzi ya madzi.
Kapangidwe ka maselo otsekedwa a thovu la rabara la NBR/PVC kumawonjezeranso magwiridwe ake osagwirizana ndi chinyezi. Mosiyana ndi thovu lotseguka, lomwe limatha kuyamwa ndikusunga chinyezi, thovu lotsekedwa limapangidwa ndi maselo ampweya otsekedwa omwe salola nthunzi yamadzi kudutsa. Izi zimapangitsa kuti thovu la rabara la NBR/PVC likhale lolimba kwambiri ku chinyezi, zomwe zimapangitsa kuti likhale loyenera kugwiritsidwa ntchito pamene chinyezi chili chodetsa nkhawa.
Kuphatikiza apo, chotetezera thovu la rabara la NBR/PVC nthawi zambiri chimakutidwa ndi malo oteteza omwe amapereka chotchinga chowonjezera cha chinyezi. Chophimbacho chingapangidwe kuchokera ku zojambulazo za aluminiyamu, fiberglass, kapena zinthu zina zomwe zimawonjezera kukana kwa chotetezera ku nthunzi ya madzi. Mwa kuyika chotetezera ichi mu chotetezera, kulola chinyezi kulowa kwa chotetezera thovu la rabara la NBR/PVC kumachepa kwambiri, zomwe zimapangitsa kuti chigwiritsidwe ntchito m'malo omwe ali ndi chinyezi chambiri kapena ntchito zakunja.
Kuwonjezera pa kukhala yolimba ndi chinyezi, chotchingira thovu cha rabara cha NBR/PVC chimaperekanso zabwino zina monga kukana moto, kutchinjiriza kutentha ndi kuyamwa phokoso. Zinthu zimenezi zimapangitsa kuti chikhale chosankha chodalirika komanso chogwiritsidwa ntchito m'njira zosiyanasiyana, kuyambira chotchingira mpweya m'makina a HVAC mpaka chotchingira mpweya m'mafakitale.
Poganizira za kulola kwa nthunzi ya chinyezi ya NBR/PVC yoteteza thovu la rabara, ndikofunikira kuganizira zofunikira za kugwiritsa ntchito. Mwachitsanzo, m'malo omwe ali ndi chinyezi chambiri kapena omwe ali ndi chinyezi nthawi zonse, kungakhale kofunikira kusankha chotetezera chokhuthala chokhuthala kapena chopanda mpweya kuti muwonetsetse kuti chitetezo chokwanira ku nthunzi ya madzi chili bwino.
Mwachidule, chotchingira thovu la rabara la NBR/PVC chili ndi chinyezi chochepa chifukwa cha kapangidwe kake, kapangidwe kake, komanso malo ake oteteza. Izi zimapangitsa kuti chikhale chisankho choyenera kugwiritsa ntchito chomwe chimafuna kukana nthunzi ya madzi. Pomvetsetsa momwe nthunzi ya chinyezi imalowera muzinthu zotchingira izi, mainjiniya, makontrakitala ndi opanga zisankho amatha kusankha mwanzeru posankha zinthu zotchingira mapulojekiti awo, kuonetsetsa kuti zikugwira ntchito bwino komanso kukhazikika kwa nthawi yayitali.
Nthawi yotumizira: Feb-21-2024
