Yadda Ake Rage Porosity a Cikin Simintin Karfe?

5. 1. Dalilan Da Ke Haifar da Gurɓataccen Iska a Daidaito Gyare-gyaren Karfe

   • Babban dalilin da ke haifar da gurɓataccen iskar gas a mafi yawan lokuta shinerashin isasshen yin burodi na harsashin yumbua cikin simintin da aka tsara, wanda ke ba da damar iskar gas ta makale sannan daga baya ta shiga ƙarfen da aka narke.

   • Rashin isasshen iskar harsashi (shell mold), saboda hanyoyin yin harsashi ko matsalolin kayan aiki, yana hana fitowar iskar gas daga ramin mold, wanda ke haifar da tarkonsu a cikin ƙarfe da kuma samuwar ramuka.

   • Iska ta makale yayin aikin zuba ruwawanda ya kasa fita daga ƙarfen da aka narke zai iya haifar da porosity a cikin simintin.

   2. Hanyoyin Rigakafi don Rage Gurɓatar Iskar Gas a Tsarin Zane-zanen Karfe

   • Sanya ramukan iska a wurare masu rikitarwa na tsarinna jefa ƙuri'a inda za a iya yin hakan a zahiri a cikin zuba jari a harkar zuba jari.
     Tsarin ramukan iska a cikin saka hannun jari yana taka muhimmiyar rawa wajen ingancin siminti da kuma daidaiton tsari. Ramin iska da aka sanya daidai yana fitar da iskar gas yadda ya kamata, yana hana lahani a cikin simintin. Suna samar da hanyar tserewa ga iska a cikin ramin simintin, iskar gas ta samo asali daga ƙarfen da aka narke, da kuma iskar da aka saki daga rufin da kuma tsakiyar yashi bayan an dumama. Wannan yana hana iskar gas shiga cikin ƙarfe yayin cike simintin ...

   • Yi la'akari da buƙatun shaye-shayen ƙwayoyin harsashi sosailokacin tsara tsarin ƙofar shiga.
     A fannin tsara tsarin saka hannun jari, yin la'akari sosai da aiwatar da tsarin fitar da hayaki yana ba da fa'idodi da yawa na fasaha. Tsarin fitar da hayaki cikin sauri yana cire iska daga ramin mold, iskar gas da yashi ke samarwa, kuma hydrogen ya samo asali daga ƙarfen da aka narke, yana hana shigar iskar gas yayin cikewa da rage lahani kamar porosity na gas da ramukan rami. Misali, fitar da iskar hydrogen cikin sauƙi yana rage narkewar sa a cikin ƙarfe, yana taimakawa wajen guje wa ƙananan fasa a cikin simintin.

   • Tabbatar da isasshen zafin yin burodin harsashi, tsawon lokacin da za a ɗauka, da kuma isasshen lokacin riƙewa.
     Wannan yana tabbatar da isasshen cire abubuwa masu canzawa, yana inganta halayen harsashi, kuma yana kare ingancin jefawa. Tsarin yin burodi mai kyau yana inganta shigar harsashi da ƙarfin zafin jiki mai yawa, yana tabbatar da cike mold mai santsi ta hanyar ƙarfe mai narkewa da rage haɗarin zubar da harsashi. Isasshen lokacin riƙewa yana ba da damar dumamawa iri ɗaya a cikin harsashi, yana rage bambance-bambancen zafin jiki yayin zubarwa. Wannan yana haɓaka ruwan ƙarfe mai narkewa, yana rage lahani kamar gurɓataccen ruwa da porosity na iskar gas, kuma yana da mahimmanci musamman ga simintin da aka yi daidai a fannoni kamar sararin samaniya.

   • A rage tazara tsakanin mazubin ladle da kofin zubawa yadda ya kamata, a kula da saurin zubawa iri ɗaya, a rage shigar iska cikin ƙarfen narkakken, sannan a bar iskar gas da ke cikin ramin da ƙarfen narkakken su fita cikin sauƙi.
     Domin hana shigar iskar gas, dole ne kayan caji na tanda su bushe kuma a tabbatar ba su da danshi, gurɓataccen mai, ko tsatsa kafin amfani. Bugu da ƙari, kayan aikin da suka taɓa ƙarfen da aka narke, kamar sandunan slagging, cokalin samfurin, da kwalaben, dole ne a dumama su sosai (a gasa su) kafin amfani da su don kawar da duk wani danshi ko gurɓatawa.

   • Tabbatar da cire kakin zuma gaba ɗaya yayin aikin cire kakin zuma.
     Cire kakin zuma sosai yayin cirewa yana rage ragowar da ke cikin ramin mold, ta haka yana rage lahani kamar su iskar gas da abubuwan da ke ciki. Wannan yana ƙara yawan simintin da kuma inganta kammala saman.

6. 

Hana gurɓataccen iskar gas a cikin saka hannun jari a cikin masana'antar saka hannun jari Ya dogara ne da kafa tsarin aiki mai ƙarfi da kuma tsari mai kyau. Bayan abubuwan da aka ambata a baya, yana da mahimmanci a daidaita ingancin yin burodin harsashi da kuma tsarkin ƙarfe mai narkewa don rage tushen iskar gas a wurin. Bugu da ƙari, ana buƙatar cikakken iko kan zafin da ke zuba, gudu, da zafin zafin dumama harsashi don guje wa shiga cikin iskar gas ko samar da shi saboda canjin tsari. Ana kuma buƙatar cikakken kula da yanayin samar da danshi da daidaiton kayan aiki. A kan wannan tushe, inganta ƙirar tsarin gateway da riser, tare da amfani da fasahar nazari ta zamani don tabbatar da santsi cike mold da kuma kafa ingantattun hanyoyin iska. A ƙarshe, ta hanyar aiki mai daidaito da ci gaba da sa ido kan mahimman sigogin tsari, ana iya cimma rigakafin ramukan iskar gas - daga tushe zuwa samfurin da aka gama -.