Ayyukan hular kwalba sun haɗa da karfin buɗewa, kwanciyar hankali na thermal, juriya na juriya, yabo da aikin rufewa. Ƙimar aikin rufewa da buɗewa da ƙarfafa ƙarfin kwalbar kwalban hanya ce mai mahimmanci don magance aikin rufewar kwalban filastik anti-sata. Dangane da dalilai daban-daban na kwalabe na kwalba, akwai tanadi daban-daban akan hanyoyin ma'auni na ƙarancin iskar gas da hular gas. Yanke zoben hana sata (tsitsi) na kwalban kwalba ba tare da hular iska ba don rufe shi tare da ƙimar ƙimar da ba ta ƙasa da 1.2NM ba, gwada shi tare da mai gwada hatimi, danna shi zuwa 200kPa, kiyaye matsa lamba a ƙarƙashin ruwa don 1. minti daya, kuma duba ko akwai yoyon iska ko faduwa; Matsa hular zuwa 690kPa, ci gaba da matsa lamba a ƙarƙashin ruwa na minti 1, duba ko akwai zubar iska, ɗaga matsa lamba zuwa 1207kPa, ci gaba da matsa lamba na minti 1, kuma duba ko hular ta lalace.
Lokacin aikawa: Juni-25-2023