Mmanụ kọke bụ ngwaahịa siri ike a na-ere ọkụ nke sitere na ihe fọdụrụ na mmanụ na asphalt mmanụ site na coking. Agba ya bụ oji ma nwee oghere, ihe bụ isi bụ carbon, ọdịnaya ntụ ahụ dịkwa obere, n'ozuzu ya na-erughị 0.5%. Mmanụ kọke bụ ụdị carbon dị mfe graphitized, mmanụ kọke nwere ọtụtụ ojiji na ụlọ ọrụ kemịkalụ, igwe na ụlọ ọrụ ndị ọzọ, ọ bụkwa isi ihe eji emepụta ngwaahịa graphite arụrụ arụ na ngwaahịa carbon aluminom electrolytic.
Dịka okpomọkụ ọgwụgwọ okpomọkụ si dị, enwere ike kewaa koke petroleum n'ụdị abụọ: koke raw na koke calcined. Koke petroleum mbụ nke e nwetara site na koke oge na-adịghị anya nwere ọtụtụ ihe na-agbanwe agbanwe ma nwee obere ike mechanical. A na-enweta koke calcined site na kalcination. Ọtụtụ ụlọ ọrụ mmepụta ihe na China na-emepụta naanị koke raw, a na-emekwa ọtụtụ ọrụ calcination na ụlọ ọrụ carbon.
Enwere ike kewaa koke mmanụ ala n'ime koke sọlfọ dị elu (nwere ihe karịrị sọlfọ 1.5%), koke sọlfọ dị ọkara (nwere 0.5%-1.5% sọlfọ), na koke sọlfọ dị obere (nwere ihe na-erughị sọlfọ 0.5%) ụdị atọ, elektrọd graphite na ngwaahịa graphite ndị ọzọ ejiri aka rụọ na-ejikarị obere mmepụta koke sọlfọ.
Coke agịga bụ ụdị coke dị elu nke nwere udidi fibrous doro anya, ọkachasị obere ihe na-eme ka okpomọkụ gbasaa na mfe eserese. Mgbe blọk coke gbawara, enwere ike kewaa ya n'ime obere iberibe mpempe akwụkwọ dịka udidi ahụ si dị (oke akụkụ ahụ na-adịkarị n'elu 1.75), a pụkwara ịhụ nhazi anisotropic fibrous n'okpuru igwe onyonyo ọkụ polarized, ya mere a na-akpọ ya agịga coke.
Anisotropy anụ ahụ na nke mekanikal nke coke agịga pụtara ìhè nke ọma, ọ nwekwara ezigbo ike eletriki na okpomọkụ nke yiri ogologo axis nke ihe ndị ahụ, oke mgbasawanye okpomọkụ dịkwa ala. N'oge mkpụpụta extrusion, a na-ahazi ogologo axis nke ọtụtụ ihe ndị ahụ dịka ntụziaka extrusion si dị. Ya mere, coke agịga bụ ihe dị mkpa maka imepụta elektrọd graphite dị elu ma ọ bụ nke dị elu, nke nwere obere ike iguzogide, obere oke nke mgbasawanye okpomọkụ na ezigbo ike iguzogide okpomọkụ.
A na-ekewa coke agịga n'ime coke agịga mmanụ nke sitere na ihe fọdụrụ na mmanụ na coke agịga coal nke sitere na asphalt coal a nụchara anụcha.
Ọkpụkpọ kọl bụ otu n'ime ihe ndị bụ isi e ji eme nhazi miri emi nke kọl tar. Ọ bụ ngwakọta nke ọtụtụ hydrocarbons, oke ojii dị elu nke nwere ọkara siri ike ma ọ bụ siri ike na okpomọkụ ụlọ, na-enweghị ebe agbaze edobere, a na-eme ka ọ dị nro mgbe ọkụ gasịrị, wee gbazee, na njupụta nke 1.25-1.35g/cm3. Dịka ebe a na-eme ka ọ dị nro si dị, a na-ekewa ya n'ụdị asfalt dị ala, nke dị n'etiti na nke dị elu. Mkpụrụ nke asfalt dị n'etiti okpomọkụ bụ 54-56% nke kọl tar. Ihe mejupụtara nke kọl pitch dị mgbagwoju anya nke ukwuu, nke metụtara ihe onwunwe nke kọl tar na ọdịnaya nke heteroatoms, sistemụ usoro coking na ọnọdụ nhazi nke kọl tar na-emetụtakwa ya. E nwere ọtụtụ ihe ngosi iji kọwaa ihe onwunwe nke kọl pitch, dị ka ebe asfalt dị nro, toluene insoluble (TI), quinoline insoluble (QI), uru coking na ihe rheological nke kọl pitch.
A na-eji coal pitch eme ihe dị ka ihe na-ejikọ na ihe na-eme ka a tụfuo ya n'ime ụlọ ọrụ carbon, ihe ndị o nwere na-emetụtakwa usoro mmepụta na ịdị mma nke ngwaahịa carbon. A na-ejikarị asphalt binder eme ihe dị ka okpomọkụ ọkara ma ọ bụ ọkara okpomọkụ nke nwere ebe dị nro dị mma, uru coking dị elu na nnukwu resin beta, ihe na-eme ka a tụfuo ya kwesịrị iji asphalt dị ọkara okpomọkụ nke nwere obere ebe dị nro, obere QI na ezigbo rheology.
Oge ozi: Feb-07-2025