Labarai

Tuddan kwal da ake amfani da su wajen adana kwal a ma'adinan kwal, tashoshin wutar lantarki da kuma masana'antun jiragen ruwa galibi an yi su ne da siminti. Saman ba shi da santsi, yawan gogayya yana da yawa, kuma shan ruwa yana da yawa, wanda hakan ke sa tuddan kwal ya kasance mai sauƙin ɗaurewa da toshewa, musamman a yanayin hakar kwal mai laushi, da kuma yawan danshi mai yawa, haɗarin toshewar ya fi tsanani. Musamman a cikin kamfanoni a arewacin ƙasarmu, idan matakan kariya daga sanyi ba su dace ba a lokacin hunturu, yana da sauƙi a haifar da toshewar rumbun ajiya sakamakon daskarewar kayan da ke ɗauke da danshi da bangon rumbun ajiya.

 Shigar da allon rufin kwal zai yi amfani da ƙusa don gyara manyan faranti a bangon rumbun ajiya. Gabaɗaya, ba lallai ba ne a rufe dukkan rumbun ajiya, matuƙar tashar fitar da kwal na ɓangaren ƙasa mai siffar kwal da kuma rumbun ajiya na sama an yi musu layi da kimanin mita 1. Shi ke nan. A lokacin shigar da layin rufin kwal, saman rufin murfin kwal ɗin da ya nutse ya kamata ya zama ƙasa da saman rufin; adadin kusoshin da aka yi amfani da su a kowace murabba'in mita ya kamata ya zama ƙasa da 10 yayin shigar da layin ginin kwal ɗin; gibin da ke tsakanin faranti na rufin bai kamata ya fi 0.5cm ba (ya kamata a yi gyare-gyare masu dacewa bisa ga zafin jiki na farantin yayin shigarwa).

Idan aka sanya layin bunker na kwal a karon farko, yana buƙatar jira a adana kayan silo zuwa kashi biyu bisa uku na dukkan ƙarfin silo kafin a sauke su. A yayin amfani, a ajiye wurin shiga da faɗuwa na kayan a kan tarin kayan da ke cikin ma'ajiyar don hana kayan yin tasiri kai tsaye ga farantin rufi. Saboda bambancin tauri na kayan daban-daban, bai kamata a canza kayan da saurin kwararar su yadda aka ga dama ba. Idan ana buƙatar canzawa, bai kamata ya fi kashi 12% na ƙarfin ƙira na asali ba. Duk wani canji na kayan ko saurin kwararar zai shafi rayuwar layin bunker na kwal.