High Purity Artificial Graphite
High purity dag graphite hais txog cov ntsiab lus carbon ntawm graphite> 99.99%. Nws yog dav siv nyob rau hauv cov ntaub ntawv refractory thiab coatings nyob rau hauv metallurgical kev lag luam, stabilizers rau pyrotechnic cov ntaub ntawv nyob rau hauv cov tub rog kev lag luam, mem hluav coj nyob rau hauv lub teeb kev lag luam, carbon txhuam nyob rau hauv cov hluav taws xob kev lag luam, electrodes nyob rau hauv lub roj teeb kev lag luam, thiab chiv. Industrial catalyst additives, thiab lwm yam.
Vim li cas thiaj xaiv peb?
Kev Tswj Xyuas Zoo
Qitian Cov Khoom lag luam kom ntseeg tau 100% ntawm tag nrho cov graphite roj av coke ua tau raws li cov qauv kev lag luam zoo thiab dhau qhov kev soj ntsuam zaum kawg thiab tom qab ntawd ua tib zoo ntim rau kev xa khoom.
Muaj peev xwm muab khoom ruaj khov
Peb muaj peb tus kheej cov chaw tsim khoom, nrog kev xa khoom txhua hnub txog li 100 tons. Peb muaj cov kws tshaj lij thev naus laus zis los pab peb txhim kho cov thev naus laus zis thiab kev tsim khoom.
Professional Management System
Lub tuam txhab cov txheej txheem ua tiav heev. Los ntawm theem pib ntawm cov neeg siv khoom docking mus rau theem tom ntej ntawm cov khoom muag, peb tuaj yeem siv kev tswj hwm software los txhim kho kev ua haujlwm.
24 Teev Kev Pabcuam
Peb tuaj yeem muab kev pabcuam xa tawm zoo tshaj plaws thiab kev pabcuam tomqab muag. 24 teev hauv kab rau kev pab.
Qhov zoo ntawm High Purity Artificial Graphite
Kub kub kuj
Lub melting point ntawm graphite yog 3850 ± 50 degree thiab lub boiling point yog 4250 degree. Txawm hais tias kub hnyiab los ntawm ultra-siab kub arc, qhov poob phaus yog me me, thiab thermal expansion coefficient kuj tsawg heev. Lub zog ntawm graphite nce nrog qhov nce ntawm qhov kub thiab txias. Thaum 2000 degree, lub zog ntawm graphite doubles. Qhov kub ntawm cov tshuaj tiv thaiv uas ignites lub exothermic flux thaum lub sij hawm exothermic welding tsim yog siab heev, yog li cov khoom siv nyob rau hauv lub exothermic vuam pwm yuav tsum tau resistant rau high kub.
Hluav taws xob conductivity thiab thermal conductivity
Cov hluav taws xob conductivity ntawm siab purity dag graphite yog ib puas lub sij hawm siab tshaj ntawm cov minerals uas tsis yog-hlau. Cov thermal conductivity tshaj cov khoom siv hlau xws li hlau, hlau, thiab txhuas. Thermal conductivity txo nrog nce kub, txawm nyob rau ntawm qhov kub siab heev, graphite ua ib qho insulator. Graphite tuaj yeem ua hluav taws xob vim tias txhua cov pa roj carbon atom hauv graphite tsuas yog tsim 3 covalent daim ntawv cog lus nrog lwm cov pa roj carbon atom, thiab txhua cov pa roj carbon atom tseem khaws 1 cov hluav taws xob dawb los hloov cov nqi. Nyob rau hauv exothermic welding kev tsim kho, feem ntau yuav tsum tau welding ntau cov ntsiab lus, thiab tus nqi ntawm kev tsim kho tsis yog me me. Lub thermal conductivity ntawm graphite tuaj yeem ua tau raws li qhov no. Nws tuaj yeem tiv taus qhov kub thiab txias sai sai.
Lubricity
Lub lubricating kev ua tau zoo ntawm siab purity dag graphite nyob ntawm qhov loj ntawm graphite flakes. Qhov loj dua cov flakes, qhov me me ntawm kev sib txhuam coefficient thiab qhov zoo ntawm lubricating kev ua tau zoo.
Tshuaj stability
Graphite muaj cov tshuaj zoo ruaj khov ntawm chav tsev kub, thiab tiv taus cov kua qaub, alkalis thiab cov kuab tshuaj organic.
Plasticity
High purity dag graphite muaj zoo toughness thiab yuav dov mus rau hauv heev nyias flakes. Exothermic welding qee zaum yuav tsum tau exothermic vuam pwm ntawm ntau yam sib koom ua ke. Lub plasticity ntawm siab purity dag graphite tuaj yeem tsim rau hauv exothermic vuam pwm ntawm cov qauv sib txawv, cov lus qhia tshwj xeeb, thiab cov ntaub ntawv sib txuas.
Thermal shock tsis kam
High purity dag graphite tuaj yeem tiv taus qhov kev hloov pauv hauv qhov kub thiab txias yam tsis muaj kev puas tsuaj thaum siv hauv chav sov. Thaum qhov kub hloov pauv tam sim ntawd, qhov ntim ntawm graphite yuav tsis hloov ntau thiab tsis muaj qhov tawg yuav tshwm sim.
Daim ntawv thov ntawm High Purity Artificial Graphite
Lithium roj teeb kev lag luam
Ntuj graphite thiab dag graphite yog thawj qhov chaw ntawm graphite anode cov ntaub ntawv. Artificial graphite feem ntau xav tau los ntawm calcination, carbonization, high-temperature graphitization, txheej, thiab lwm yam txheej txheem thev naus laus zis; Ntuj graphite feem ntau yog purified los ntawm alkali acid hnav khaub ncaws, ultra-siab kub purification, nto, thiab lwm yam txheej txheem.Txawm hais tias ntuj graphite los yog dag graphite yuav tsum undergo graphitization los yog ntxuav ntawm qhov kub thiab txias, los ua cathode khoom rau lithium roj teeb ntau lawm. Tam sim no, high-temperature graphite purification technology, high-temperature graphitization technology, tau dhau los ua cov thev naus laus zis tseem ceeb hauv kev tshawb fawb ntawm graphite anode cov ntaub ntawv.
Graphene kev lag luam
Piv nrog rau ntau txoj kev npaj ntawm graphene, graphite oxide txo txoj kev yuav dhau los ua txoj kev pheej hmoo tshaj plaws thiab pheej hmoo los ua ke graphene thiab nws cov ntaub ntawv. Lub ntsiab raw khoom ntawm graphite oxide txo txoj kev yog siab purity ntuj flake graphite.
Isotropic nuclear graphite kev lag luam
Vim hais tias siab purity isotropic natural microcrystalline number case yog ib qho zoo tagnrho raw khoom rau atomic graphite, nws yog ib qho tseem ceeb tshwj xeeb los nthuav cov ntaub ntawv raw rau siab purity isotropic natural microcrystalline number case.
Artificial pob zeb diamond kev lag luam
Ntuj flake graphite hmoov yog thawj raw khoom ntawm hluavtaws pob zeb diamond. Cov kws tshawb fawb tau ua pov thawj tias purity ntawm graphite hmoov thiab graphitization degree ntawm graphite hmoov muaj qhov cuam tshuam loj rau cov khoom zoo. Kev xaiv ntawm siab purity dag graphite raw cov ntaub ntawv thiab xaiv qhov tsim nyog graphitization degree yuav yog ib txoj hauv kev tseem ceeb los txhim kho cov khoom zoo ntawm pob zeb diamond dag.
Tub rog graphite foob pob kev lag luam
High purity dag graphite yog cov khoom siv los ua graphite foob pob.
Lwm yam kev lag luam
High purity dag graphite hmoov muaj qhov zoo ntawm qhov kub thiab txias tsis kam, zoo hluav taws xob thiab thermal conductivity, lubricity, tshuaj stability, zoo heev hnav tsis kam, yuav siv tau raws li hluavtaws crystalline silicon carbide thiab boron carbide raw cov ntaub ntawv, zais aircraft txheej thiab tshuaj lom neeg kev lag luam, electronics, machinery, thiab lwm yam kev lag luam, muaj ntau yam kev siv.
Cov txheej txheem ntau lawm ntawm High Purity Artificial Graphite
Cov khoom nyoos
Cov khoom siv raw rau kev tsim cov graphite siab muaj xws li kev sib sau ua ke, khi, thiab cev xeeb tub. Needle petroleum coke thiab asphalt coke feem ntau yog siv los ua aggregate coke. Acicular petroleum coke yog ib qho yooj yim rau graphitize ntawm qhov kub thiab txias, muaj zoo conductivity thiab thermal conductivity, thiab muaj ib tug qis linear expansion coefficient; Graphite tau los ntawm pitch coke nyob rau tib lub graphitization kub muaj ntau dua resistivity tab sis siab zog txhua yam.
Calcination
Purification thiab calcination yog ua kom sov ntau yam khoom siv raw cov ntaub ntawv ntawm qhov kub thiab txias nyob rau hauv cov xwm txheej ntawm cov huab cua cais. Vim tias qhov sib txawv ntawm qhov ua noj kub ntawm qhov sib sau los yog lub xyoo geological ntawm nruab nrab, cov dej impurities muaj nyob rau hauv cov qauv sab hauv kuj txawv. Kev siv cov khoom siv yuav tsis raug cuam tshuam txog thaum cov ntawv xov xwm raug tshem tawm tom qab calcination thiab purification.
Milling
Cov khoom siv calcined thiab purified tseem muaj qhov loj me me, hloov pauv loj, thiab tsis sib xws. Lub aggregate yuav tsum yog hauv av kom tau raws li cov kev cai batching.
Kneading
Cov hmoov av yuav tsum tau tov nrog cov thee asphalt binder nyob rau hauv ib qho kev faib ua feem thiab ces muab tso rau hauv lub rhuab kneader rau kneading kom cov ntaub ntawv tusyees faib. Tom qab kneading, cov khoom yog nias thiab tsim. Muaj plaub txoj kev sib sau ua ke: extrusion forming, molding forming, vibration forming, thiab isostatic pressing forming.
Ci
Roasting yog hais txog kev kho cua sov ntawm lub cev ntsuab nias ntawm txog 1000 degree nyob rau hauv cov xwm txheej ntawm cov huab cua cais. Cov khoom tsim carbon yog calcined kom carbonize cov ntawv khi rau hauv cov ntawv coke.
Dipping
Thaum lub sij hawm roasting txheej txheem, micropores yuav tsim nyob rau hauv cov khoom carbon, thiab tseem muaj qhib pores nyob rau hauv cov thawj aggregate coke hais, uas yuav cuam tshuam rau cov conductivity thiab tshuaj corrosion kuj ntawm cov khoom graphite zaum kawg. Lub hom phiaj ntawm impregnation yog sau cov pores ntawm cov khoom carbon nrog impregnating agents xws li molten asphalt los txhim kho kev ua tau zoo ntawm cov khoom tiav.
Graphitization
Graphitization yog txheej txheem kev kho cua kub kub uas hloov cov thermodynamically tsis ruaj tsis khov tsis-graphitic carbon rau hauv graphitic carbon los ntawm kev ua kom thermal. Nws tseem yog cov kauj ruam kawg hauv kev ua kom huv ntawm high-purity graphite.
Txoj kev Purification ntawm High Purity Artificial Graphite
Alkali acid purification txoj kev
Cov pa roj carbon ntsiab lus ntawm graphite purified los ntawm alkali acid txoj kev tuaj yeem ncav cuag ntau dua 99%, uas muaj cov yam ntxwv ntawm kev nqis peev tsawg dua ib zaug, qib khoom siab dua, thiab cov txheej txheem muaj zog adaptability. Tsis tas li ntawd, nws kuj muaj qhov zoo ntawm conventionality thiab versatility. Alkali acid txoj kev yog txoj kev siv dav tshaj plaws hauv Suav teb; Nws qhov tsis zoo yog kev siv hluav taws xob loj, lub sijhawm ua haujlwm ntev, ntau qhov graphite poob, thiab cov dej khib nyiab loj.
Txoj kev Hydrofluoric acid.
Lub ntsiab zoo ntawm txoj kev hydrofluoric acid yog siab impurity tshem tawm efficiency, qib siab ntawm cov khoom, me me cuam tshuam rau graphite cov khoom ua tau zoo, thiab tsawg zog noj. kev tiv thaiv ib puag ncig
Txoj kev chlorination roasting.
Qhov qis calcination kub thiab qhov tsawg ntawm cov roj chlorine ua rau cov nqi tsim khoom ntawm graphite txo qis heev. Nyob rau tib lub sijhawm, cov ntsiab lus ntawm cov khoom siv graphite yog sib npaug ntawm kev kho hydrofluoric acid, thiab qhov rov qab ntawm chlorination roasting txoj kev yog siab dua li ntawm chlorination roasting. Txawm li cas los xij, cov roj chlorine yog cov tshuaj lom, corrosive, thiab yuav tsum muaj kev xav tau siab rau kev ua haujlwm ntawm cov khoom siv, yog li nws yuav tsum tau kaw nruj me ntsis. Yog li ntawd, nws yuav tsum tau kho kom zoo rau cov pa tso pa tawm, yog li nws raug txwv rau qee yam.
Txoj kev kub kub.
Qhov txiaj ntsig loj tshaj plaws ntawm cov txheej txheem kub kub yog tias cov ntsiab lus carbon ntawm cov khoom yog siab heev, uas tuaj yeem ncav cuag ntau dua 99.995%. Qhov tsis zoo yog tias lub qhov cub kub kub yuav tsum tau tsim tshwj xeeb thiab tsim, cov khoom siv kim heev, kev nqis peev ib zaug yog qhov loj, ntxiv rau, kev siv hluav taws xob loj, thiab cov nqi hluav taws xob siab ua rau cov nqi ntau lawm. Ntxiv mus, daim ntawv thov Scope ntawm txoj kev no yog heev txwv vim yog hnyav ntau lawm tej yam kev mob. Tsuas yog thaum muaj cov kev cai tshwj xeeb rau purity ntawm graphite cov khoom, xws li lub teb chaws tiv thaiv thiab aerospace, peb muaj peev xwm txiav txim siab siv txoj kev no rau me me batch zus tau tej cov graphite, thiab nws yuav tsis tau nrov nyob rau hauv kev lag luam.
Cov yam ntxwv ntawm High Purity Artificial Graphite Materials
High purity dag graphite yog ib yam khoom uas muaj rhiab heev tshuaj tiv thaiv. Nws resistivity yuav hloov nyob rau hauv txawv ib puag ncig; nws tus nqi kuj yuav hloov.
High-temperature resistant hom:Lub melting point ntawm graphite yog 3850 ± 50 degree, thiab lub boiling point yog 4250 degree. Txawm hais tias qhov kub thiab txias arc hlawv nws, qhov poob qis me me, thiab thermal expansion coefficient kuj me me. Lub zog ntawm graphite nce nrog qhov kub thiab txias. Thaum 2000 degree, lub zog ntawm graphite yog ob npaug
Conductivity, thermal conductivity:Lub conductivity ntawm graphite yog 100 lub sij hawm siab dua li ntawm cov non-metallic ores zoo tib yam. Cov thermal conductivity yog siab dua hlau, hlau, txhuas, thiab lwm yam ntaub ntawv hlau. Lub thermal conductivity txo nrog qhov nce ntawm qhov kub thiab txias; Txawm tias qhov kub thiab txias heev, graphite ua ib qho insulator
Lubricity:Lub lubricating kev ua tau zoo ntawm graphite nyob ntawm qhov loj ntawm graphite flakes. Qhov loj ntawm cov flakes, qhov me me ntawm kev sib txhuam coefficient, thiab qhov zoo ntawm lubricating kev ua tau zoo.
Thaum tshav kub kub coj ntawm High Purity Artificial Graphite
Thaum muaj qhov kub thiab txias hauv graphite, qhov ntws ntawm cov cua sov los ntawm qhov kub thiab txias mus rau qhov kub tsawg / qhov ntsuas qhov ntsuas qhov ntsuas kub ntawm graphite yog thermal conductivity / thermal conductivity hauv chav tsev lub sijhawm. Qhov sib npaug coefficient ntawm cov cua sov dhau los ntawm chav tsev q (heat flow density) thiab kub gradient gradient gradT/q=– λ grad T
● Nyob rau hauv cov mis, cov cim tsis zoo qhia tau hais tias cov kev taw qhia ntawm cov cua kub ntws tawm ntawm qhov kev taw qhia ntawm qhov kub thiab txias gradient / Formula (1) feem ntau hu ua Fourier txoj cai ntawm tshav kub conduction. Yog hais tias qhov seem cheeb tsam perpendicular mus rau x-axis yog Δ S. Qhov kub gradient ntawm cov khoom raws li x-axis yog dT / dx Δτ Flow raws qhov zoo x-axis nyob rau hauv lub sij hawm Δ Qhov kub ntawm seem S yog Δ Q
● Chav tsev raug cai ntawm thermal conductivity yog W·m·K. Rau cov txheej txheem hloov hluav taws xob tsis ruaj khov, qhov kub ntawm cov khoom sib txawv raws sijhawm. Rau ib qho khoom uas tsis muaj kev sib pauv cua sov nrog lub ntiaj teb sab nraud thiab muaj nws qhov kub thiab txias, qhov kub gradient yuav zoo li xoom raws li lub sijhawm mus. Ntawd yog, qhov kub ntawm qhov kub kawg yuav txo qis, thiab qhov kub ntawm qhov txias kawg yuav nce, nws thiaj li ncav cuag qhov sib npaug sib npaug.
Peb lub Hoobkas
Lub tuam txhab tam sim no muaj 2 lub rooj cob qhia kev tsim khoom niaj hnub thiab 2 lub rooj cob qhia loj, uas tuaj yeem ua tau raws li qhov xav tau ntawm kev tsim khoom loj thiab kev thauj mus los ceev. Cov khoom ntim txhua xyoo tau mus txog 100,000 tons. Tom qab xyoo ntawm kev ua haujlwm nyuaj, peb tau ua haujlwm ze nrog ntau lub tuam txhab hauv tsev thiab xa tawm mus rau ntau lub tebchaws thiab cheeb tsam. Nyob rau hauv lub neej yav tom ntej, lub tuam txhab yuav txuas ntxiv mus ua raws li kev lag luam lub tswv yim ntawm "zoo-oriented, ncaj ncees thiab trustworthiness", tsis tu ncua txhim kho cov khoom zoo thiab cov kev pab cuam theem, nqa tawm nws kim heev kev koom tes thiab kev sib pauv nrog domestic thiab txawv teb chaws tuam txhab uas muag, thiab koom tes txhawb txoj kev loj hlob. ntawm kev lag luam carbon.
Peb Cov Ntawv Pov Thawj
FAQ
Q: Dab tsi yog high purity graphite?
Q: Dab tsi yog qhov purity ntawm hluavtaws graphite?
Q: Dab tsi yog daim ntawv purest ntawm graphite?
Q: Dab tsi yog qhov sib txawv ntawm cov khoom siv hluavtaws thiab cov graphite?
Q: Koj ua li cas ntxuav cov hluavtaws graphite?
Q: Peb hom graphite yog dab tsi?
Q: Dab tsi yog qhov muaj zog graphite?
Q: Dab tsi yog qhov txawv ntawm ntuj graphite thiab high-purity dag graphite?
Q: Dab tsi yog cov ntsiab lus carbon ntawm high-purity dag graphite?
Q: Yuav ua li cas yog high-purity dag graphite tsim?
Q: Dab tsi yog cov yam ntxwv tseem ceeb uas ua rau siab purity dag graphite xav tau rau ntau yam kev siv?
Q: Dab tsi yog qee qhov kev lag luam siv ntawm high-purity dag graphite?
Q: Yuav ua li cas cov particle loj thiab morphology ntawm high-purity dag graphite cuam tshuam nws kev ua tau zoo?
Q: Dab tsi yog qhov sib txawv ntawm thermal conductivity rau high-purity dag graphite?
Q: Ua li cas cov hluav taws xob conductivity ntawm high-purity dag graphite piv rau ntuj graphite?
Q: Dab tsi yog cov khoom siv raw rau cov khoom siv graphite?
Q: Puas yog hluavtaws graphite tuaj yeem siv rau hauv cov roj teeb?
Q: Dab tsi yog qhov sib txawv ntawm cov coefficient ntawm thermal expansion rau high-purity dag graphite?
Q: Yuav ua li cas cov txheej txheem ntawm high-purity dag graphite cuam tshuam nws impurity theem?
Q: Dab tsi yog daim ntawv thov ntawm hluavtaws graphite?
Raws li ib qho ntawm cov kev tshaj lij siab purity dag graphite tuam ntxhab thiab cov muag khoom hauv Suav teb, peb tau tshwj xeeb los ntawm cov khoom zoo thiab tus nqi zoo. Thov so assured mus yuav high purity dag graphite muag ntawm no los ntawm peb lub hoobkas.