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Bawul din kwalliyar kwalliya shine bawul din da ke hana dawowa ta hanyar amfani da kwalliya kamar yadda yake tsara shigarwa da fitarwa mai siffar nau'in, yana aiki akan tsarin mai. Babban aikinsa shine barin ruwa a cikin hanya ɗaya amma ba ta ba da damar dawowa ba. Wannan ne yake aikata ta hanyar wani ball-dimbin yawa Disc wanda ko dai tura zuwa bawul wurin zama da kusantar ruwa matsa lamba da kuma daga baya ya fadi baya a lokacin da akwai tsayawa kwarara. Sai kuma ya rufe bututun a hankali. Abubuwan fasaharsa masu ban mamaki sun haɗa da halayen matsin lamba da zafin jiki, yana jurewa da mawuyacin yanayi fiye da kowane nau'in bawul ɗin hanawa. A halin yanzu yana iya amfani da daban-daban kayan kamar bakin karfe ga tushe abubuwa ko a yanayin wurin zama don mafi sakamako amfani tagulla - don shige daban-daban kafofin watsa labarai a Akwai wani janar fahimtar cewa ball duba bawul za a iya yadu amfani a yankunan daga gurbatawa iko zuwa sinadaran magani da kuma daga man fetur refineries sh Ana amfani da bawul din kwalliya sosai don maganin ruwa, sarrafa sinadarai, gas da masana'antar mai.