Chii chinonzi graphitized petroleum coke muindasitiri yekunyungudutsa zvinhu zvakaita seindasitiri yesilicon nesilicon carbide?

Basa reGraphitized Petroleum Coke muSmelting Industries yeIndustrial Silicon neSilicon Carbide

I. Basa muIndasitiri yeSilicon Smelting

1. Basa reMumiririri weKuderedza Core
Petroleum coke ine grafiti ndeimwe yemishonga inoderedza kabhoni mukugadzirwa kwesilicon yeindasitiri. Yakawanda mucarbon (90%-97%) uye hunhu hwayo hushoma hwedota zvinoita kuti ive chinhu chakakosha pakupa kabhoni inodiwa pakuita reactions. Panguva yekunyungudutsa electric arc furnace, petroleum coke inobatsira kushandurwa kwe silica (SiO₂) kuita industrial silicon kuburikidza necarbothermal reduction reactions. Pamusoro pezvo, electrical conductivity yayo inobatsira kudzora resistance yefurnace charge, kudzora kudzika kwe electrode insertion uye kugadzirisa mashandiro e electric arc furnace.

2. Kugadzirisa Kushanda Kwechaja Yemoto

• Kugadziriswa kweKuramba: Kufambiswa kwemagetsi kwepetroleum coke kunokanganisa kuramba kwechaji yechoto. Nekugadzirisa chiyero chayo uye saizi yezvikamu, kushanda zvakanaka kwechoto chemagetsi chearc kunogona kugadziriswa, zvichideredza kushandiswa kwesimba.
• Kuvandudza Kupinda Kwemvura: Coke yakachena yepetroleum inowanzoita graphitize pakupisa kwakanyanya, zvichiita kuti goko riumbwe pamusoro pechoto. Kuti izvi zvisaitike, matanda kana sawdust zvinosanganiswa kuti zviwedzere kuramba kwakasimba, kuwedzera kupenya kwemoto muchoto, uye kudzikamisa mamiriro ekushanda.
• Kuwedzera Kwemabasa Emakemikari: Petroleum coke ine hunhu husina kusimba hwekudzikisa uye inowanzoshandiswa pamwe chete ne low-ash silicon coal kana charcoal kuti ive nechokwadi chekuti kufambira mberi kwakanaka kwekudzikisa.

3. Kuenzana Pakati Pemhando Yemhando Nemutengo

• Kugadzirwa kweSilicon Yemhando Yepamusoro: Kushomeka kwemadota ari mupetroleum coke kunoita kuti ive yakakodzera kugadzira silicon yeindasitiri yakachena kwazvo. Zvisinei, sarufa, vanadium, nickel, nezvimwe tsvina zvinofanirwa kudzorwa, kunyanya mukugadzirwa kwe organosilicon, uko huwandu hwepetroleum coke hunoganhurirwa kudzivirira chepfu ye catalyst.
• Zvakanakira Zvehupfumi: Kana tichienzanisa nemarasha, petroleum coke inowanikwa zvakanyanya, mutengo wayo wakadzikama, uye hainyanyi kukanganiswa nemutemo wezvakatipoteredza, zvichiita kuti ive chinhu chinodiwa kuderedza kugadzirwa kwezvinhu zvakawanda.

II. Basa muSilicon Carbide Smelting

1. Kuwanikwa kweManyuko eKabhoni
Kugadzirwa kwesilicon carbide (SiC) kunoda kabhoni yakachena kwazvo. Mushure mekugadziriswa kwecalcium, petroleum coke ine graphitized inoratidza kuderera kwe volatile content uye graphitization yakawedzerwa, zvichipa kabhoni yakasimba iyo inokurudzira solid-phase reaction pakati pesilicon nekabhoni kuti igadzire silicon carbide yakachena kwazvo.

2. Mashandisirwo muAbrasive Materials
Petroleum coke inogona kushandiswa zvakananga kugadzira zvinhu zvinobvisa simbi (semuenzaniso, mavhiri ekukuya, sandpaper). Kuoma kwayo kwakanyanya uye kuramba kwayo kupfeka zvinoita kuti ive chinhu chakakosha pakugadzira simbi, kupukuta ceramic, nezvimwe zvinoshandiswa.

3. Kugadzirisa Maitiro

• Kurapa Calcination: Kuisa calcination yepetroleum coke pa1300°C kunoderedza huwandu hwehydrogen uye kunowedzera graphitization, zvichivandudza conductivity yemagetsi uye kuramba kupisa kwezvigadzirwa zvesilicon carbide.
• Kudzora Saizi yeZvidimbu: Kugadzirisa saizi yezvidimbu zvepetroleum coke kunogadzirisa maitiro ekugadzira silicon carbide, zvichiwedzera kufanana kwechigadzirwa.

III. Basa Rakazara uye Kukosha Kweindasitiri

1. Kubudirira Kwakawedzerwa Kwekunyungudutsa
Kufambiswa kwemagetsi uye kugadzikana kwemakemikari kwe graphitized petroleum coke kunoderedza kushandiswa kwesimba mumagetsi, kupfupisa kutenderera kwekunyungudutsa, uye kuvandudza kushanda zvakanaka kwekugadzira. Semuenzaniso, mukugadzirwa kwesilicon mumaindasitiri, kusanganisa petroleum coke nemazvo kunogona kuderedza kushandiswa kwesimba ne5%-10%.

2. Kuvimbisa Hunhu
Kudzora huwandu hwesarufa, madota, uye kusachena mu petroleum coke kunoderedza kusabatanidzwa kwesimbi mu silicon yeindasitiri uye kunowedzera kuchena kwe silicon carbide, zvichizadzisa zvinodiwa zvekugadzirwa kwepamusoro-soro (semuenzaniso, silicon carbide yemhando ye semiconductor).

3. Kukurudzira Kuvandudzwa Kwemaindasitiri
Sezvo indasitiri yekunyungudutsa simbi ichifambira mberi ichienda kumabasa makuru uye akangwara, kuchena kwakanyanya kwepetroleum coke ine graphitized uye crystallinity inotsigira kugadzirwa kwema electrode pastes anoshanda zvakanaka uye ma electrodes makuru ecarbon, zvichikurudzira kuvandudzwa kwetekinoroji muchikamu chose.