Hanyar gano tokar ƙuda

Tokar kwari ta yau tana ɗauke da adadi mai yawa na sulfide ko sulfate (kamar gypsum, da sauransu), wanda ya bambanta da tokar kwari ta gargajiya. Idan aka yi amfani da ita a cikin siminti ba tare da an gwada ta ba, zai haifar da fashewar siminti mai tsanani da wargajewa. Duk da cewa ƙa'idodin tokar kwari na yanzu suna da ƙa'idodi na SO3, dubawa da tantance "tokar da aka cire daga sulfur" ba su da tasiri.

(2) "Tokar denitration"
Domin rage fitar da sinadarin NO x a cikin tsarin konewar kwal, ya zama dole a yi maganin "denitration" yayin aikin konewar kwal. Tsarin denitration mara kyau na iya haifar da wasu ragowar NH4 a cikin tokar kwal. Lokacin da aka haɗa tokar kwal da siminti, zai haɗu da alkaline. Muhalli na halitta zai saki NH3 (iskar ammonia), wanda ke samar da iskar gas mai yawa a matakin filastik na siminti.

(3) "Tokar baƙi mai iyo"
A fasahar konewar kwal ta zamani, domin inganta ingancin konewar kwal ko wasu buƙatu na musamman na tashoshin wutar lantarki, ana ƙara dizal ko wasu abubuwa masu mai a matsayin masu taimakawa wajen konewa a tsarin konewar kwal. Ba za a iya ƙone waɗannan kayan aikin konewa gaba ɗaya ba kuma za su ci gaba da kasancewa a cikin tokar kwal. Mai. Musamman bayan an tace tokar kwal, tokar kwal da aka tattara za ta ƙunshi ƙarin man da ba a ƙone ba, wanda ake amfani da shi don haɗa siminti. Waɗannan mai suna shawagi sama kuma suna bayyana a matsayin man baƙi mai iyo a cikin siminti. Ana kiran wannan nau'in tokar kwal mai iyo "tokar baƙi mai iyo".

Yadda ake gane su?
(1) Yadda ake gani
Masu duba ƙwararru sau da yawa za su iya sanin ƙanƙantar tokar da kuma asarar wutar da ke tattare da ita ta hanyar lura da launin tokar.
Bayyanar tokar kwari yana kama da siminti, kuma launin ya bambanta daga fari mai madara zuwa launin toka-baƙi. Launin tokar kwari muhimmin alama ce ta inganci wadda za ta iya nuna adadin da bambancin sinadarin carbon, kuma zuwa wani mataki, yana iya nuna tokar kwari. Ƙarfinsa. Mafi duhun launin, mafi ƙanƙantar girman tokar kwari kuma mafi girman sinadarin carbon.

An raba tokar kwari zuwa tokar kwari mai ƙarancin calcium da tokar kwari mai yawan calcium. Gabaɗaya, launin tokar kwari mai yawan calcium rawaya ne, kuma launin tokar kwari mai ƙarancin calcium launin toka ne. Barbashin tokar kwari suna da tsarin zuma mai ramuka tare da babban yanki na musamman da kuma yawan sha. Girman barbashin yana tsakanin 0.5 zuwa 300 μm. Bugu da ƙari, bangon bead yana da tsarin ramuka tare da ramuka har zuwa 50% zuwa 80%, kuma yana da ƙarfi wajen sha ruwa.

Baya ga kamannin halitta, za ku iya ƙara ruwa a gauraya don lura da tokar ƙura. A cikin ƙaramin akwati na ruwa, ƙara adadin tokar ƙura mai dacewa don juyawa da sauri daidai don duba ko akwai tokar baƙi tana iyo a saman ruwa don duba adadin carbon a cikin tokar ƙura; idan launin tokar ƙura baƙi ne kuma yana da wari na musamman, digo mai, wannan nau'in tokar ƙura ya kamata ya zama putty mai iyo kuma ya kamata a mayar da shi.

Bayan an gauraya tokar da ke ɗauke da CaO mai yawa da SO3 da ruwa, ruwan zai zama alkaline, sannan a zuba sinadarin phenolphthalein a ciki, wanda zai yi ja. Domin hana simintin tsagewa saboda faɗaɗa girman Ca(OH) 2 da sinadarin calcium sulfoaluminate mai ruwa, dole ne a mayar da samfurin.

Na biyu, za ku iya jin ƙamshin. Ku sha isasshen adadin tokar kwari da siminti a cikin kwalba sannan ku zuba ruwa a gauraya don ya zama slurry. Idan za ku iya jin ƙamshin ammonia mai ƙarfi, tokar kwari za a iya ɗauka a matsayin tokar da aka cire daga jiki.

Duba da na'urar hangen nesa! Don gano tokar karya, fara cirewa. Gabaɗaya, tokar tashi mai ƙaramin girman barbashi sun fi santsi da siffar gilashi mai siffar ƙwallo a ƙarƙashin na'urar hangen nesa (ta amfani da na'urar hangen nesa sama da sau 100), kuma saman barbashi mai girman barbashi ba daidai ba ne amma kuma kusan siffar ƙwallo ne. Idan aka gauraya foda yashi da aka niƙa, foda na dutse, da foda na boiler slag da yawa, za a sami ƙarin barbashi marasa daidaituwa a kowane matakin girman barbashi, musamman a ƙaramin matakin girman barbashi, wanda zai bayyana ba daidai ba kuma kusurwa.

Shin dole ne in ɗauki na'urar hangen nesa (microscope) don in gane shi? Hanya mai sauƙi ita ce: a ɗauki kimanin kilogiram 1 na tokar ƙura a saka a cikin kwano, sannan a zuba ruwa a ciki, sannan a juya yayin da ake ƙara ruwa har sai ya cika, sannan a ga ko akwai farin ƙwallo a saman ruwan, idan akwai Da gaske, idan ba haka ba, karya ne.

Ga tokar tashi, cirewa ta farko. Gabaɗaya, tokar tashi mai ƙananan ajin ƙananan ajin ƙananan ajin ƙananan ajin suna da ƙwallon gilashi masu santsi a ƙarƙashin na'urar hangen nesa, kuma saman barbashi masu girman manyan ajin ƙananan ajin ba su da tsari amma suna da siffar zagaye. Idan aka gauraya foda yashi da aka niƙa, foda dutse, da foda mai ƙura da aka gasa da yawa, za a sami ƙarin barbashi marasa tsari a cikin kowane ajin girman ƙananan ajin, musamman a cikin ƙaramin ajin girman ƙananan ajin.

Tokar tsuntsu ta gaske tana da ƙa'idodi masu tsauri na ƙasa da ƙa'idodin amfani, da kuma ƙa'idodin sinadarai masu tsauri da ƙa'idodin rediyo. Ƙa'idodin marufi, ƙa'idodin daraja masu haske. Launin baƙar fata ne da rawaya, foda ne, ƙwayoyin suna da kyau sosai, hannun yana jin daɗi kuma bushe, kuma danshi yana da ƙasa sosai. Tokar tsuntsu ta jabu galibi ana yin ta ne da foda na dutse, foda na tubali da aka haɗa da ƙaramin adadin tokar tsuntsu ko tarkace, kuma wasu ko duka an naɗe su kai tsaye da foda na dutse. Tokar tsuntsu ta jabu ba ta da ƙarfi kuma ba ta da aiki. Launin fari ne, kuma wasu launuka suna da ƙazanta sosai. Jin hannun yana da kauri, rigarsa ce, kuma jakar marufi ba ta da tsari. Kula da batutuwan da ke sama lokacin siyan tokar tsuntsu don tabbatar da cewa za ku iya siyan tokar tsuntsu mai inganci.

(2) Yaya ake yin samfurin karɓa?
Canza hanyar ɗaukar samfur ta gargajiya da matsayinta, wato, a haɗa famfon ɗaukar samfur na musamman a kan bututun ƙarfe mai ciyar da tokar tashi mai diamita na 100mm a tsayin tsaye na kimanin mita 1.5 daga ƙasa, wanda za a iya zaɓarsa bazuwar a kowane lokaci yayin aiwatar da sauke tokar tashi. Ɗauki samfura kuma a bainar jama'a a sanar da mai samar da tokar tashi cewa idan aka gano sakamakon samfuran biyu ya bambanta a cikin abin hawa ɗaya, za a hukunta su sosai.