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Gwaro iri rinopa ongororo yakadzama ye kubika marasha tsanangudzo, inovhara zvakakosha zvivakwa, maapplication, uye zvinhu zvinopesvedzera kunaka. Dzidza nezvemhando dzakasiyana dzemarasha, zviyero zvepasi rose, uye kuti izvi zvinongedzo zvinokanganisa sei maindasitiri akasiyana. Tichaongorora zvakakosha zve kubika marasha izvo zvinotarisa kukodzera kwayo kune akasiyana maapplication.
Kubika marasha, inozivikanwawo semetallurgical coal, imhando chaiyo yemarasha ane akasiyana zvimiro zvakakosha pakushandiswa kwayo mukugadzira simbi. Kusiyana nemamwe marudzi emarasha, kubika marasha inoratidzirwa nekukwanisa kwayo kuita nzira inonzi coking, ichiita yakasimba uye ine porous coke structure kana inopisa pasina mhepo. Iyi coke yakakosha pakuderedzwa kwesimbi mumoto unoputika. Zvinhu zvakakosha zvinotarisa kunaka kwe kubika marasha zvinosanganisira:
Volatile matter (Volatile matter) zvinoreva zvikamu zvemarasha zvinopfakanyika pakudziya. Zvepasi zvinoputika zvemukati zvinowanzoratidza yakasimba coke, yakakosha pakuita blast furnace mashandiro. Yakakwirira inoputika nyaya inogona kutungamira kune isina kusimba coke chimiro uye kuderedzwa kwemetallurgical performance.
Madota emukati anomiririra isingabatike mamineral nyaya mumarasha. Yakakwirira madota inoderedza kukosha kwekupisa kwemarasha uye inogonawo kukanganisa kunaka kwekoki inogadzirwa. Madota akaderera anowanzo kufarirwa.
Sulfur itsvina yakakosha mumarasha, uye mazinga akakwirira esarufa anogona kutungamirira mukusvibiswa kwezvakatipoteredza panguva yekugadzirwa kwesimbi. Lower sulfur content yakakosha pakutevedzera kwezvakatipoteredza uye kuderedza kubudiswa. Yakasiyana matekinoroji uye maitiro aripo ekubata nepamusoro-sarufa kubika marasha, asi kuderedza sarufa kubva pakutanga kwakanaka.
Fixed carbon ndiyo isiri-volatile kabhoni yasara mushure mekubviswa kwechinhu chinoputika. Iyo yakakwira yakagadziriswa kabhoni yemukati inowanzo kudiwa, sezvo ichibatsira zvakananga kusimba uye kugadzikana kwecoke. Kuwanda kwekabhoni yakagadziriswa yakanyatsoenderana nehuwandu hwekoriori uye coke goho remarasha.
Indekisi yecaking inoyera kugona kwemarasha kuumba huwandu hwakabatana panguva yekubika. Different coking indices inodiwa zvichibva pane izvo zvinodiwa zve blast furnace uye inodiwa coke zvivakwa. Chiratidzo chakasimba checaking chinoratidza kukodzera kwemarasha ekugadzirwa kwepamusoro-soro.
Masangano akasiyana-siyana epasi rose nenyika dzakagadzira zviyero uye zvakatemwa zve kubika marasha. Aya maratidziro anotsanangura mitsara inogamuchirika yezvivakwa zvataurwa pamusoro, kuve nechokwadi chakaenderana uye mashandiro. Aya mazinga akakosha pakutengesa uye nekuona akakodzera marasha ekugadzirwa kwesimbi. Mienzaniso inosanganisira zviyero zvakatarwa neISO uye ASTM International. Kutevedzera zviyero izvi kwakakosha pakutengeserana kwenyika dzese uye kuenderana kwemhando yechigadzirwa.
Izvo zvakatemwa zve kubika marasha zvinokanganisa zvakananga indasitiri yesimbi uye inodhura-inoshanda. Hunhu hweiyo coke inogadzirwa zvakanyanya inokanganisa maitiro ese ekuderedzwa kwesimbi ore uye yekupedzisira simbi mhando. Kusarudza kubika marasha nemadimikira chaiwo akakosha pakugadzirisa blast furnace mashandiro uye kugadzira zvemhando yepamusoro zvigadzirwa zvesimbi.
Kusarudza zvakakodzera kubika marasha inoda kunyatsotariswa kwezvakatemerwa uye izvo chaizvo zvinodikanwa zvechikumbiro chakatarisirwa. Zvinhu zvakadai semhando yemoto unoputika, inodiwa coke zvivakwa, uye mitemo yezvakatipoteredza zvese zvinopesvedzera sarudzo ye kubika marasha. Kubvunzana nemetallurgical nyanzvi uye vatengesi kwakakosha pakusarudza kwakakwana.
| Property | Low-Quality Coking Marasha | High-Quality Coking Marasha |
|---|---|---|
| Volatile Matter (%) | >30 | <20 |
| Zvine Madota (%) | >15 | <8 |
| Sulfur Content (%) | >2 | <1 |
| Fixed Carbon (%) | <50 | >70 |
| Caking Index | Low | High |
Cherechedzo: Hwanhu huri patafura hwunofananidzira uye hunogona kusiyana zvichienderana nerudzi rwemarasha nenzvimbo. Gara uchitarisa kune zvakatemwa zvinopihwa nemutengesi.
Kuti uwane rumwe ruzivo nezvemhando yepamusoro yemetallurgical coke uye marasha zvigadzirwa, funga kuongorora Inner Mongolia Xinxin Silicon Industry Co., Ltd. Ivo vanotungamira mutengesi muindasitiri.
Disclaimer: Ruzivo urwu nderwezvinangwa zvekudzidzisa chete uye harufanirwe kutariswa zano rehunyanzvi. Nguva dzose bvunzana nenyanzvi dzakakodzera kune chaiwo maapplication uye zvinodiwa.
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