Cov khoom siv cuav, cov khoom tseem ceeb hauv kev lag luam siab, cov kev lag luam nuclearors, thiab cov ntaub ntawv siv kev tshawb fawb ntau ntxiv thiab kev tswj hwm cov thev naus laus zis. Nws cov tub ntxhais dag nyob rau hauv kev hloov pauv carbon -} muaj cov ntaub ntawv crystal nrog cov qauv siv lead ua ke los ntawm kev ua pa roj carbonations thiab teeb meem. Kab lus no qhia tag nrho cov txheej txheem yooj yim ntawm cov thev naus laus zis uas ua tiav cov kev ua kom dawb huv siab tshaj 99.95% thiab nruj ua tau zoo sib xws.
I. Txheej txheem ntau lawm
1. Cov ntaub ntawv xaiv raw thiab pretreatment
Cov Khoom Siv Raw Tseem Ceeb:
- Needle Coke (petroleum/coal-based): High carbon content, low impurities, and anisotropic structure make it a core aggregate for high-end graphite.
- Suab: Siv ua phau ntawv binder (thee tar suab / roj av tar suab) lossis impregnant kom nce cov khoom siv ntom ntom ntom.
- Cov Ce Coke theem nrab (roj av coke, pitch coke): siv rau kev tsim qauv kev hloov kho (siv nrog kev ceeb toom hauv qis {{} {purity application).
Cov kauj ruam pretreatment:
- Crushing thiab kev faib tawm: tus coke yog crushed rau ob peb kaum ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns ntawm microns Kev ntsuas huab cua lossis tshuaj ntsuam yog tom qab ntawd siv los xyuas kom meej qhov kev faib tawm loj heev, tso lub hauv paus rau cov khoom lag luam.
- Kev kho: Cov teeb meem tsis pub muaj cov pa thiab noo noo yog muab tshem tawm hauv cov pa {}}} ib puag ncig dawb ntawm 1300-1500 degree, nce cov pa roj carbonies thiab ntom ntom. Kev ntsuas qhov kub thiab txias kev tswj thiab ntsuas kub ntawm cov cua yog qhov tseem ceeb rau kev tiv thaiv kev qhia ntawm impurities.
2. Batching thiab Kneading
- Piv txog kev tswj hwm: Coke nplua (aggregate) thiab binder suab yog sib xyaw ua ke hauv cov kab mob meej.
- Kneading: Vigorousirring yog ua ntawm 150-200℃kom yaj lub suab thiab tusyees tsho tiv no coke. Kev tswj hwm ntawm qhov kub, lub sijhawm, thiab Shear zog ncaj qha cuam tshuam cuam tshuam cov kev sib txuam ntawm lub cev ntsuab.
3. Moulding: Tus muab tshuaj txhuam tau tsim mus rau hauv cov qauv xav tau los ntawm cov txheej txheem nias.
Cov qauv tseem ceeb muaj xws li:
- ISostatic nias: Kev siv cov khoom siv tsis zoo yog ua kua rau siv cov kua / roj av hauv lub cev siab, uas yog qhov tseem ceeb ntawm macroscopic sib xws.
- Moulding / Extrusion: Tsim nyog rau cov duab yooj yim los yog ib daim hlab ntev (xws li electrodes), xav tau kev tswj hwm nruj thiab nrawm.
4. Cwj
- Cov txheej txheem kev mob: qeeb cua sov ntawm 800-1300℃hauv ib qho chaw ntawm n₂ / ar ulosces rau carbonize lub suab thiab tsim lub coke network.
- Qaum tswj: tus nqi cua sov (tshwj xeeb yog thaum lub sijhawm 300-600 degree
5. Graphitization (cov txheej txheem tseem ceeb)
- High - Kev hloov kub siab: hauv qhov chaw ua hluav taws xob ua ke, ntawm kev ua kom huv si arcon, ntawm 2800 oms-oms yog rearranged mus rau hauv ib tug qauv crystal crystal.
- Kev tawm tsam kev tshem tawm: Volatilization ntawm lub teeb ua kev cuam tshuam xws li S, N, thiab tshuaj kho kom haum rau kev coj zoo thiab cov ntsiab lus {{1}
- Siab - kub halogen purification: gases xws li clr- molatile hlau impurities xws li Si thiab Si, ua tiav kev coj dawb huv tshaj 99.99%.
- Precision Machine
Ii. Ua tiav siab - purity thiab dag graphite
1. Cov qauv kev tswj hwm cov tswv yim
- Qhov Chaw Tswj: Xaiv cov qes qis - hmoov tshauv koob coke thiab suab, thiab ua raws li cov khoom siv raw kev soj ntsuam.
- Ua kom tiav kev sib cais: rechination, graphitization, thiab purification yog siv cov inert illosphere lossis lub tshuab nqus tsev ib puag ncig kom tiv thaiv cua infiltration.
- Kev Xav Txog Kev Tawm Tsam Txom Nyem Technology: Siab - kub halogenitive tshwj xeeb tshwj xeeb, tus yuam sij rau kev ua kom tiav txoj kev coj dawb huv ntawm ntau tshaj 99.99%.
2. Cov kev paub tseeb zoo
- Cov khoom siv khoom siv Raw homogenization: txhua pob ntawm cov khoom siv raw yog kuaj rau particle loj, hloov chaw kub, thiab ceev ceev kom ntseeg tau tias muaj kev ruaj khov.
- Digitalization ntawm cov txheej txheem tsis: Lub kaw lus mes los tswj pullient pulliation loj, kneading kub, thiab cua sov qhov sib txawv (<50°C), achieving full process traceability.
- Kev ntsuas parieterciously parameter: XRD, icp {{ms, thiab cov khoom siv keeb kwm ntawm cov ntsiab lus, muaj cov qhab nia qhab nia.
III. Kev lag luam kev siv thiab thev naus laus zis
Cov txiaj ntsig kev ua tau zoo ntawm graphite ua nws qhov kev xaiv tseem ceeb rau kev tswj cov roj teeb lithium), thiab kev tawm tsam hluav taws xob ultrasonic, thiab kev tawm tsam naflal (hluav taws xob reactor). Nrog rau kev txhim kho ntawm lub zog tshiab thiab nti kev lag luam, cov txheej txheem yog hloov zuj zus mus rau qhov kub thiab txias (3500 degree), purer embepheres (99.99% AR), thiab ntse tswj qhov kub thiab txias.
Kev tsim cov duab dag ntawm graphite yog kev kos duab ntawm "los tswj cov kev npaj ntawm cov roj atoms." It requires a comprehensive, coordinated process of raw material selection, high-temperature conversion, and precise testing to transform black coke powder into a key material supporting high-end manufacturing. Rau customized siab {4 4}} Cov lus qhia txog kev kho kom zoo, thov hu rau peb pab pawg neeg.
