+ 86-15134803151
Wannan labarin ya bincika muhimmiyar rawar da gawayi ke takawa wajen samar da karafa, yana ba da cikakken bayani game da aikace-aikacen sa daban-daban, tasirin muhalli, da kuma ƙoƙarin da ake ci gaba da yi don samun dawwamammen mafita. Za mu bincika nau'ikan nau'ikan kwal da aka yi amfani da su, hanyoyin da ake amfani da su, da kuma makomar gaba gawayi da ake amfani da shi wajen samar da karfe a cikin duniyar da ke ƙara mayar da hankali kan decarbonization.
Coal da ake amfani da shi don samar da karfe ana amfani da shi da farko azaman tushen mai a cikin tanderun fashewa da tanda na coke. Coke, man fetur mai laushi da aka yi daga kwal, yana da mahimmanci don rage ƙwayar ƙarfe zuwa ƙarfe na alade, wanda ya riga ya zama karfe. Babban abun ciki na carbon na coke da ikonsa na jure yanayin zafi yana sa ba za a iya maye gurbinsa ba a cikin hanyoyin sarrafa ƙarfe na gargajiya. Idan ba tare da wannan tsari ba, samar da ƙarfe na zamani a sikelin da muke gani a yau ba zai yiwu ba. Har ila yau, makamashin da gawayi ke bayarwa yana taimakawa wajen samar da wasu muhimman matakai na kera karafa, yana kara bayyana matsayinsa na tsakiya.
Ba kowane gawayi ne aka halicce shi daidai ba. Nau'in gawayin da ya fi dacewa da samar da karfe ya dogara da abubuwa kamar abun ciki na carbon, abun cikin sulfur, da abun cikin toka. Gabaɗaya, gawayin ƙarfe, musamman coking coal, an fi so saboda yawan abun ciki na carbon da ƙarancin abun ciki na toka. Wannan yana tabbatar da ingantaccen samar da coke da ƙarfe mai inganci na alade. Tasirin ingancin kwal akan kaddarorin karfe na ƙarshe yana da mahimmanci, kamar yadda ƙazanta na iya shafar ƙarfi da dorewa na kayan da aka gama.
Sauya kwal zuwa coke mataki ne mai mahimmanci. Wannan tsari, wanda aka sani da coking, ya haɗa da dumama gawayi idan babu iska a cikin tanda koke. Wannan yana fitar da abubuwan da ba su da ƙarfi, yana barin baya da ƙuri'a, ragowar carbon mai girma-coke. Ingancin coke kai tsaye yana tasiri tasiri da tasiri na tsarin narkewar ƙarfe na gaba. Ana sarrafa zafin jiki da tsawon lokacin aikin coking a hankali don cimma abubuwan da ake so a cikin coke na ƙarshe.
Yin amfani da gawayi wajen samar da karfe yana da tasirin muhalli mai mahimmanci. Konewar kwal yana sakin iskar gas, yana haifar da canjin yanayi. Bugu da ƙari, gawayi ya ƙunshi ƙazanta waɗanda ke haifar da gurɓataccen iska da ruwa. Sabili da haka, masana'antar ƙarfe tana ƙwazo sosai don bincika madadin fasahohin da makamashi don rage sawun carbon. Waɗannan sun haɗa da yin amfani da madadin abubuwan ragewa kamar hydrogen, haɓaka ƙarfin kuzari a cikin injinan ƙarfe, da ɗaukarwa da adana hayakin carbon daga tsarin.
Yayin gawayi da ake amfani da shi wajen samar da karfe ya kasance babban jigo, makomarsa ba ta da tabbas. Ƙaddamar da duniya don ƙaddamar da ƙaddamarwa yana haifar da sababbin abubuwa a cikin masana'antar karfe. Ƙoƙarin bincike da haɓakawa sun mayar da hankali ne kan samar da ƙarin dorewar hanyoyin da za su rage tasirin muhalli na ƙera ƙarfe. Yayin da cikakken canji daga kwal na iya ɗaukar lokaci, masana'antar tana aiki tuƙuru don neman mafita don mafi tsafta, ƙarin alhakin muhalli.
| Nau'in Kwal | Abun Carbon (%) | Abun sulfur (%) | Abubuwan Ash (%) |
|---|---|---|---|
| Kwakwalwar Bituminous | 75-85 | 0.5-3 | 5-10 |
| Anthracite Kwal | 90-95 | <1 | <5 |
Lura: Waɗannan matsakaicin ƙima ne kuma suna iya bambanta dangane da takamaiman tushen kwal. Don cikakkun bayanai, tuntuɓi binciken binciken ƙasa masu dacewa.
Don ƙarin bayani kan ɗorewar hanyoyin samar da ƙarfe, zaku iya samu Inner Mongolia Xinxin Silicon Industry Co., Ltd albarkatu mai mahimmanci. Su ne kan gaba wajen samar da sabbin abubuwa a masana’antar.
jiki>