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Kupfurwa kwezvidhinha zvevhu zvinogadzirwa nevagadziri vezvidhinha vanoramba

Kupfurwa kwezvidhinha zvevhu zvinogadzirwa ne zvidhina zvinokanganisa vagadziri

Kuomesa yepakati tembiricha yekupinza: 150 ~ 200C (yakajairika zvidhinha uye zvakajairika zvidhinha)

120 ~ 160 ℃(Chidhinha chakasarudzika)

Exhaust tembiricha: 70 ~ 80 ℃

Iyo yakasara mwando yezvidhinha isingasviki 2%

Kuomesa nguva: 16 ~ 24 maawa

Kupfurwa kwezvidhinha zvevhu kunogona kukamurwa kuita nhanho ina

1. Tembiricha yakajairika kusvika ku200 madhigirii celsius: Panguva ino, tembiricha haifanirwe kunge ichimhanya zvakanyanya kudzivirira muviri kubvaruka. Paunenge uchipfura muchoto, tembiricha yenzvimbo dzekutanga dzekupaka 4 haifanire kudarika 200 ℃.

2, 200 ~ 900C: Panguva ino, mwero wekupisa unofanirwa kuwedzerwa kufambisa kemikari kuita kwe organic matter uye tsvina mugirinhi.

Mukati metembiricha ye600~900℃, mhepo yakasimba oxidizing inofanirwa kuchengetedzwa muchoto kudzivirira kuitika kwemarara e “black core”.

3, 900 ℃ kusvika kune yakanyanya kupisa tembiricha: Mutembiricha yepamusoro, tembiricha inofanira kukwira zvishoma, uye kuramba ichichengetedza oxidizing mhepo, kuitira kuti muviri wakaremara udziye zvakaenzana, uye panguva imwe chete, unogona kudzivirira zvidhinha kubva pakutsemuka. Nekuti iyo sintering shrinkage yakasimba kwazvo pamusoro pe1100c, iyo shrinkage rate yakakwira se5%, saka zvakakosha kwazvo kuchengetedza kuzorora kwekushisa gradient uye kubvisa kushushikana kwemukati.

Iyo tembiricha yekudzivirira moto yezvidhinha zvevhu inowanzo 100-150C yakakwirira kupfuura tembiricha yekupisa. Kana tembiricha yekupisa yevhu rakanyungudutswa iri nhete, tembiricha yekudzikira inofanira kunge yakadzikira, zviri nani kutenderedza 50-100C. Kupisa kwekupisa kwezvidhinha zvevhu kunofanirwa kuve nechokwadi chekuti ivhu rakasanganiswa rakanyoroveswa zvizere, uye nzvimbo yepamusoro yehupfu hwakatsetseka uye zvidimbu zvimedu zve clinker zvakabatwa zvizere, kuitira kuti clinker zvimedu zvibatanidzwe, kuitira kuti chigadzirwa chiwane chakakodzera. simba uye kugadzikana kwevhoriyamu. Sintering tembiricha inowanzoita 1250~1350c. Kana zvirimo zveal2o3 zvakwira, tembiricha yekupisa yechigadzirwa inofanirwa kuwedzerwa zvakafanira, ingangoita 1350 ~ 1380c, uye nguva yekudziya inowanzova 2-10h kuve nechokwadi chekuita kwakakwana muchigadzirwa uye kuenderana kwemhando yechigadzirwa.

4 Kutonhodza nhanho: Zvinoenderana nekuchinja kwelatisi kwezvidhinha zvevhu muchikamu chekutonhora, mwero wekutonhora unofanirwa kuderedzwa nekukurumidza kana tembiricha iri pamusoro pe800 ~ 1000 ℃, uye mwero wekutonhora unofanirwa kudzikiswa pasi pe800 ℃. Muchokwadi, mukugadzirwa chaiko, iyo chaiyo yekutonhodza mwero inoshandiswa haizokonzeri njodzi yekutonhora kutsemuka kwechigadzirwa.