Petroleum Coke bụ ngwaahịa siri ike na-ere ọkụ nke enwetara site na mmanụ mmanụ na mmanụ asphalt site na coking. Agba bụ oji na porous, isi ihe bụ carbon, na ash ọdịnaya dị nnọọ ala, n'ozuzu n'okpuru 0,5%. Mmanụ mmanụ bụ ụdị carbon graphitized dị mfe, mmanụ ala coke nwere ọtụtụ ihe eji eme ihe na ụlọ ọrụ kemịkalụ, ọla na ụlọ ọrụ ndị ọzọ, ma bụrụ isi akụrụngwa maka imepụta ngwaahịa graphite artificial na ngwaahịa carbon carbon electrolytic.
Dị ka okpomọkụ ọgwụgwọ okpomọkụ si dị, mmanụ ala coke nwere ike kewaa ụzọ abụọ: raw coke na calcined coke. Coke mmanụ ala mbụ enwetara site na coking na-egbu oge nwere ọtụtụ ọdịnaya na-agbanwe agbanwe ma nwee ike ọrụ dị ala. A na-enweta coke calcined site na calcination. Ọtụtụ ụlọ ọrụ nnụcha na China na-emepụta naanị coke raw, a na-arụkwa ọtụtụ ọrụ calcination na osisi carbon.
Enwere ike kewaa coke mmanụ n'ime nnukwu sọlfọ coke (nwere ihe karịrị 1.5% sọlfọ), ọkara sọlfọ coke (nwere 0.5% -1.5% sọlfọ), na obere sọlfọ coke (nwere ihe na-erughị 0.5% sọlfọ) atọ ụdị, graphite electrodes na ndị ọzọ artificial graphite ngwaahịa n'ozuzu na-eji obere sulfur.
Coke agịga bụ ụdị coke dị elu nke nwere udidi fibrous doro anya, ọkachasị ọnụọgụ mgbasawanye ọkụ dị ala yana eserese dị mfe. Mgbe ngọngọ coke na-agbaji, enwere ike kewaa ya n'ime ihe ndị dị warara dị warara dị ka udidi si dị (akụkụ akụkụ ya na-adịkarị n'elu 1.75), a pụkwara ịhụ ihe owuwu nke anisotropic fibrous n'okpuru microscope ìhè polarized, ya mere a na-akpọ ya coke coke.
Anisotropy anụ ahụ na nke igwe nke coke agịga bụ ihe doro anya, yana ọ nwere ezigbo ọkụ eletrik na ọkụ ọkụ yiri ogologo axis nke ihe ndị ahụ, yana ọnụọgụ mgbasawanye ọkụ dị ala. N'oge extrusion ịkpụzi, ogologo axis nke ọtụtụ ahụ na-ahaziri dị ka extrusion direction. Ya mere, coke agịga bụ isi akụrụngwa maka imepụta ike dị elu ma ọ bụ ultra-high graphite electrodes, nke nwere obere resistivity, obere ọnụọgụ nke mgbasawanye thermal na ezigbo nguzogide ujo.
A na-ekewa coke agịga ka ọ bụrụ coke agịga mmanụ a na-emepụta site na mmanụ ala mmanụ na coke coal agịga nke sitere na coal asphalt a nụchara anụcha.
Igwe ọkụ coal tar bụ otu n'ime ihe ndị bụ isi a na-esi na-arụ ọrụ omimi coal tar. Ọ bụ ngwakọta nke hydrocarbons dị iche iche, nwa elu viscosity ọkara siri ike ma ọ bụ siri ike na ụlọ okpomọkụ, na-enweghị ebe mgbaze edozi, na-eme ka ọ dị nro mgbe okpomọkụ gasịrị, wee gbazee, na njupụta nke 1.25-1.35g / cm3. Dị ka nro ebe na-ekewa n'ime ala okpomọkụ, agafeghị oke na elu okpomọkụ asphalt atọ iche iche. Mkpụrụ nke asphalt na-ajụ oyi bụ 54-56% nke coal tar. Ngwakọta nke coal pitch dị nnọọ mgbagwoju anya, nke metụtara ihe onwunwe nke coal tar na ọdịnaya nke heteroatoms, na-emetụtakwa usoro nhazi coking na ọnọdụ nhazi nke coal tar. E nwere ọtụtụ index iji mara njirimara nke coal pitch, dị ka asphalt softening point, toluene insoluble (TI), quinoline insoluble (QI), uru coking na rheological Njirimara nke coal pitch.
A na-eji ụda coal eme ihe dị ka onye na-ekekọta na ihe na-emepụta ihe na ụlọ ọrụ carbon, yana ihe onwunwe ya nwere mmetụta dị ukwuu na usoro mmepụta na àgwà ngwaahịa nke ngwaahịa carbon. Binder asphalt n'ozuzu na-eji ọkara okpomọkụ ma ọ bụ ọkara okpomọkụ gbanwetụrụ asphalt na agafeghị oke nro nro, elu coking uru na elu beta resin, na impregnation gị n'ụlọnga kwesịrị iji ọkara okpomọkụ asphalt na ala nro nro, ala QI na ezi rheology.
Oge nzipu: Feb-07-2025