Babban bangaren kwalbar thermos shine mafitsara. Kera mafitsara kwalban yana buƙatar matakai huɗu masu zuwa: ① Shirye-shiryen preform kwalban. Abubuwan gilashin da aka yi amfani da su a cikin kwalabe na thermos yawanci ana amfani da gilashin soda-lime-silicate. Ɗauki ruwan gilashin zafin jiki wanda bai dace da ƙazanta ba, sannan a busa shi a cikin gilashin preform na ciki da preform na waje mai kaurin bango na 1 zuwa 2 mm a cikin ƙirar ƙarfe (duba Gilashin Masana'antu). ② Sanya bile ba komai. Ana sanya kwalban ciki a cikin kwalabe na waje, an rufe bakin kwalbar tare, kuma an ba da farantin azurfa a kasan kwalabe na waje. Abubuwan kwalban Thermos.
Tushen don aikin hakar iska, ana kiran wannan tsarin gilashin kwalban. Akwai manyan hanyoyi guda uku don yin kwalabe na gilashi: Hanyar rufe ƙasa, hanyar rufe kafada da hanyar kulle kugu. Hanyar rufewa ta ƙasa shine yanke preform na ciki da yanke ƙasan kwalabe na waje. Ana shigar da kwalabe na ciki daga kasan kwalabe na waje kuma an gyara shi da filogin asbestos. Sa'an nan kuma a zagaye ƙasa na kwalabe na waje a rufe, kuma an haɗa wani ƙaramin wutsiya. An haɗa bakin kwalbar an rufe. Hanyar kulle-kulle-kafada ita ce yanke preform na kwalabe na ciki, yanke preform ɗin kwalabe na waje, saka kwalban ciki daga saman ƙarshen kwalabe na waje sannan a gyara shi da filogin asbestos. Ana rage kwalabe na waje a diamita don zama kafadar kwalba kuma a haɗa bakunan kwalban guda biyu a rufe, kuma an haɗa ƙaramin bututun wutsiya. . Hanyar hatimin haɗin gwiwa shine a yanke preform ɗin kwalabe na ciki, yanke preform ɗin na waje sannan a yanke kugu zuwa sassa biyu, sanya kwalaben ciki a cikin kwalbar waje, sake walda kugu, sannan a haɗa ƙaramin bututun wutsiya. ③Tsarin Azurfa. Wani adadin adadin ammoniya hadaddun na azurfa da maganin aldehyde a matsayin wakili mai ragewa ana zuba su a cikin kwalabe maras sanwici ta hanyar ƙaramin catheter na wutsiya don yin maganin madubi na azurfa, kuma an rage ions na azurfa a ajiye a saman gilashin don samar da bakin ciki. madubi fim ɗin azurfa. ④ Vacuum. Bututun wutsiya na kwalabe biyu mai rufin azurfa wanda ba shi da komai an haɗa shi da tsarin injin kuma yana mai zafi zuwa 300-400 ° C, yana sa gilashin ya saki iskar gas iri-iri da sauran danshi. A lokaci guda, yi amfani da famfo don fitar da iska. Lokacin da injin digiri a cikin interlayer sarari na kwalban ya kai 10-3 ~ 10-4mmHg, wutsiya bututu an narke da shãfe haske.
Lokacin aikawa: Agusta-12-2024