Gilashin ruwa wani jirgin ruwa ne da aka ƙera don jure yanayin zafi, yawanci ana amfani da shi don narke, calcine, ko sarrafa kayan a yanayin zafi mai girma. Ana yin gyare-gyare da yawa da kayan aiki kamar graphite, yumbu, ko karafa masu jujjuyawa kamar tungsten.

Ainihin aiki na crucible ya ƙunshi matakai masu zuwa:

1. Rufewa: Babban aikin crucible shine ya ƙunshi kayan da ake sarrafa su, kamar ƙarfe, gami da sauran abubuwa, yayin aikin dumama ko narkewa. Babban juriya na zafin jiki na crucible yana hana kayan tserewa ko amsawa tare da mahallin da ke kewaye.

2. Canja wurin zafi: Lokacin da aka sanya shi a cikin tanderu ko wasu na'urorin dumama, kullun yana ɗaukar zafi kuma yana tura shi zuwa kayan da ke ciki. Wannan yana kawo abubuwan da ke cikin crucible zuwa yanayin zafin da ake buƙata don narkewa, ɓacin rai, ko wasu hanyoyin zafi.

3. Kariya: Gishiri kuma yana ba da kariya ga kayan da ake sarrafa su. Misali, a yanayin narkewar karfe, crucibles na taimakawa hana oxidation ko gurɓata narkakken ƙarfe ta hanyar samar da muhallin da aka rufe.

4. Zubawa ko Yin jifa: Da zarar kayan da ke cikin kwandon ya kai matsayin da ake so, kamar narkakkar siffa, za a iya amfani da kurtun wajen zuba ko jefar da kayan a cikin gyale ko wani akwati don ci gaba da sarrafawa.

Game da crucibles tungsten, babban wurin narkewarsu da juriya ga harin sinadarai ya sa su dace da tafiyar da matakai masu zafi sosai, kamar narkar da karafa ko wasu kayan zafi masu zafi.

Gabaɗaya, ƙirar ƙira da kayan aikin crucibles suna ba su damar jure yanayin zafi mai ƙarfi, ƙunsar kayan aiki, sauƙaƙe canja wurin zafi, da kuma kare kayan da aka sarrafa daga abubuwan muhalli, yana mai da su kayan aiki mai mahimmanci a cikin aikace-aikacen zafin jiki iri-iri.