Kev Siv Lub Npe Petroleum Coke

Lub ntsiab siv roj av coke

Petroleum coke yog tsuas yog siv rau pre-baking anode thiab anode paste ntawm electrolytic aluminium, carbon kev lag luam zus tau tej cov carbon agent, graphite electrode, smelting industrial silicon thiab roj.

Raws li cov qauv thiab cov tsos ntawm roj av coke, cov khoom siv roj av coke tuaj yeem muab faib ua rab koob coke, daim txhuam cev coke, pellet coke thiab hmoov coke 4 yam: (1) rab koob coke, nrog cov qauv siv rab koob thiab fiber ntau zoo nkauj, feem ntau yog siv rau lub zog siab. thiab ultra-siab zog graphite electrode hauv steelmaking. Vim qhov kev xav tau zoo ntawm rab koob coke hauv cov ntsiab lus sulfur, tshauv, cov teeb meem tsis hloov pauv thiab qhov ntom ntom, cov txheej txheem tsim khoom thiab cov khoom siv raw ntawm rab koob coke muaj cov cai tshwj xeeb. (2) sponge coke, siab tshuaj reactivity, tsis muaj impurity cov ntsiab lus, feem ntau yog siv nyob rau hauv txhuas smelting kev lag luam thiab carbon kev lag luam. (3) Pellet coke los yog spherical coke: spherical zoo, txoj kab uas hla 0.6-30mm, feem ntau tsim los ntawm siab sulfur, siab asphaltene residue, tsuas yog siv tau rau lub zog tsim, cement thiab lwm yam roj muaj roj. (4) coke: ua los ntawm cov txheej txheem fluidized coking, nws cov khoom zoo (inch 0.1-0.4mm), cov ntsiab lus tsis muaj zog, siab thermal expansion coefficient, tsis tuaj yeem siv ncaj qha rau kev npaj electrode thiab carbon. kev lag luam.

Raws li cov ntsiab lus sulfur, nws tuaj yeem muab faib ua cov sulfur coke siab (cov ntsiab lus sulfur siab dua 3 feem pua) thiab qis sulfur coke (cov ntsiab lus sulfur hauv qab 3 feem pua). Tsawg sulfur coke tuaj yeem siv ua anodic muab tshuaj txhuam thiab prebaked anodes rau txhuas cov nroj tsuag thiab graphite electrodes rau steel nroj tsuag. Cov khoom zoo uas tsis muaj leej faj coke (cov ntsiab lus sulfur tsawg dua 0.5 feem pua) tuaj yeem siv los tsim cov graphite electrode thiab carbonizer. Tsawg-sulfur coke ntawm cov khoom siv dav dav (cov ntsiab lus sulfur tsawg dua 1.5 feem pua) feem ntau yog siv los tsim cov anodes ua ntej ci. Cov roj av tsis zoo coke yog tsuas yog siv rau smelting industrial silicon, silicon carbide thiab zus tau tej cov anode paste. High-sulfur coke feem ntau yog siv los ua roj rau cov nroj tsuag cement thiab fais fab nroj tsuag.

Calcined petroleum coke: calcined petroleum coke yuav tsum tau calcined thiaj li yuav ua rau roj av coke (raw coke) haum rau graphite electrode siv steelmaking los yog anode paste (melt electrode) siv nyob rau hauv txhuas thiab magnesium ntau lawm. Qhov kub ntawm calcination feem ntau yog li 1300 degree, lub hom phiaj yog tshem tawm cov roj av coke kom deb li deb tau. Nyob rau hauv txoj kev no, cov ntsiab lus hydrogen ntawm roj av coke remanufactured cov khoom yuav raug txo, graphitization degree ntawm roj av coke tuaj yeem txhim kho, thiab lub zog kub thiab kub tsis kam ntawm graphite electrode tuaj yeem txhim kho, thiab cov conductivity ntawm graphite electrode tuaj yeem txhim kho. . Calcined burning yog tsuas yog siv nyob rau hauv zus tau tej cov graphite electrode, carbon paste khoom, emery, zaub mov qib phosphorus kev lag luam, metallurgical kev lag luam thiab calcium carbide, uas cov graphite electrode yog cov feem ntau lug siv. Coke tsis muaj forging tuaj yeem siv ncaj qha raws li calcium carbide cov khoom tseem ceeb, silicon carbide thiab boron carbide ua cov khoom sib tsoo. Nws tseem tuaj yeem siv ncaj qha los ua lub tshuab hluav taws xob tawg coke lossis lub tshuab hluav taws xob hluav taws xob tawg phab ntsa hauv ob sab phlu hauv kev lag luam metallurgical, thiab tseem tuaj yeem siv los ua cov coke ntom ntom hauv cov txheej txheem casting.