Fuskar rufewar bawul ɗin sau da yawa tana lalacewa, ta lalace kuma tana lalacewa ta hanyar matsakaici, don haka wani ɓangare ne da ke lalacewa cikin sauƙi akan bawul ɗin. Kamar bawul ɗin ƙwallon iska da bawul ɗin malam buɗe ido na lantarki da sauran bawul ɗin atomatik, saboda buɗewa da rufewa akai-akai da sauri, ingancinsu da tsawon lokacin sabis ɗinsu suna shafar kai tsaye. Babban buƙatar saman rufe bawul ɗin shine cewa bawul ɗin zai iya tabbatar da hatimin aminci da aminci a ƙarƙashin takamaiman yanayin aiki. Saboda haka, kayan saman yakamata su sami waɗannan fasaloli:
(1) Kyakkyawan aikin rufewa, wato, saman rufewa ya kamata ya iya hana zubewar hanyar;
(2) Yana da wani ƙarfi, saman rufewa yakamata ya iya jure takamaiman ƙimar matsin lamba na hatimin da aka samar ta hanyar bambancin matsin lamba na matsakaici;
(3) Juriyar tsatsa, a ƙarƙashin sabis na dogon lokaci na matsakaici mai lalata da damuwa, saman rufewa yakamata ya sami juriya mai ƙarfi ta tsatsa wanda ya dace da buƙatun ƙira;
(4) Ikon tsayayya da karce, rufewar bawul duk hatimin motsi ne, kuma akwai gogayya tsakanin rufewa yayin buɗewa da rufewa;
(5) Juriyar zaizayar ƙasa, saman rufewa ya kamata ya iya jure wa zaizayar hanyoyin sadarwa masu sauri da kuma karo da ƙwayoyin cuta masu ƙarfi;
(6) Kyakkyawan kwanciyar hankali na zafi, saman rufewa yakamata ya sami isasshen ƙarfi da juriya ga iskar shaka a babban zafin jiki, kuma yakamata ya sami juriya mai kyau ta sanyi a ƙarancin zafin jiki;
(7) Kyakkyawan aikin sarrafawa, mai sauƙin ƙerawa da kulawa, ana amfani da bawul ɗin a matsayin kayan aiki na gabaɗaya, kuma an tabbatar da cewa yana da ƙimar tattalin arziki.
Yanayin amfani da ƙa'idodin zaɓi na kayan saman rufe bawul. An raba kayan saman rufewa zuwa rukuni biyu: ƙarfe da wanda ba ƙarfe ba. Sharuɗɗan da suka dace na kayan da aka saba amfani da su sune kamar haka:
(1) Roba. Ana amfani da shi gabaɗaya don yanayin rufewa na bawuloli masu laushi masu ƙarancin matsi, bawuloli na diaphragm, bawuloli na malam buɗe ido, bawuloli na duba da sauran bawuloli.
(2) Roba. Roba da ake amfani da su don saman rufewa sune nailan da PTFE, waɗanda ke da halaye masu kyau na juriya ga tsatsa da ƙananan ma'aunin gogayya.
(3) Babbitt. Wanda aka fi sani da ƙarfe mai ɗaukar hoto, yana da kyakkyawan juriya ga tsatsa da kuma kyakkyawan ikon shiga. Ya dace da saman rufewar bawul ɗin rufewa don ammonia mai ƙarancin matsin lamba da zafin jiki na -70-150℃.
(4) Garin ƙarfe. Yana da juriyar lalacewa mai kyau da kuma juriyar zafi. Ya dace da bawul ɗin duniya, bawul ɗin ƙofar ƙarfe da bawul ɗin duba, da sauransu. Ana amfani da shi gabaɗaya don ruwa da tururi tare da ƙarancin matsin lamba da zafin jiki wanda bai wuce 200℃ ba.
(5) Bakin ƙarfe na Chrome-nickel. Yana da juriyar tsatsa, juriyar zaizayar ƙasa da kuma juriyar zafi. Ya dace da kafofin watsa labarai kamar su nitric acid.
(6) Bakin ƙarfe na Chrome. Yana da juriya mai kyau ga tsatsa kuma yawanci ana amfani da shi a cikin bawuloli masu matsin lamba mai yawa da zafin jiki wanda bai wuce 450 ℃ ba don mai, tururin ruwa da sauran hanyoyin sadarwa.
(7) Karfe mai girman chromium. Yana da kyakkyawan juriya ga tsatsa da kuma aikin taurarewa, kuma ya dace da matsin lamba mai yawa, mai mai zafi, tururi da sauran hanyoyin sadarwa.
(8) Karfe mai nitride. Yana da juriya mai kyau ga tsatsa da kuma karce, kuma yawanci ana amfani da shi a cikin bawuloli na ƙofar wutar lantarki ta zafi. Hakanan ana iya zaɓar wannan kayan don yankin bawuloli masu tauri.
(9) Carbide. Yana da kyawawan halaye masu kyau kamar juriya ga tsatsa, juriya ga zaizayar ƙasa da juriya ga karce, kuma yana da tsawon rai. Kayan rufewa ne mai kyau. Ana amfani da electrodes na tungsten haƙa rami da kuma tushen haƙa rami, da sauransu, don yin saman haƙa rami mai matsin lamba, mai zafi sosai, wanda ya dace da mai, mai, iskar gas, hydrogen da sauran hanyoyin sadarwa.
(10) Garin walda na feshi. Akwai garin walda na tushen cobalt, garin walda na tushen nickel, da kuma garin walda na tushen chin, waɗanda ke da kyakkyawan juriya ga tsatsa da juriya ga lalacewa.
Domin tabbatar da aminci da amincin hatimin bawul, dole ne a tantance kayan da aka zaɓa bisa ga takamaiman yanayin aiki. Idan matsakaici yana da tsatsa sosai, lokacin zaɓar kayan, ya kamata ya cika aikin tsatsa da farko, sannan ya cika buƙatun wasu kaddarorin; Hatimin bawul ɗin ƙofar ya kamata ya kula da kyakkyawan juriyar karce; Bawuloli masu aminci, bawuloli masu matsewa da bawul masu daidaitawa suna lalacewa cikin sauƙi ta hanyar matsakaici, kuma ya kamata a zaɓi kayan da ke da kyakkyawan juriyar tsatsa; Don tsarin da aka saka a cikin zoben rufewa da jiki, ya kamata a yi la'akari da kayan da ke da tauri mai yawa azaman saman rufewa; Bawuloli na gabaɗaya tare da ƙarancin zafin jiki da matsin lamba ya kamata a zaɓi roba da filastik tare da kyakkyawan aikin rufewa azaman hatimi; Lokacin zaɓar kayan rufewa, ya kamata a lura cewa taurin saman wurin zama na bawul ya kamata ya fi na saman rufewa na faifan bawul.
Lokacin Saƙo: Nuwamba-02-2022