Mukutsvaga kuwedzera hupenyu uye kushandisa maitiro egraphite crucibles, fekitari yedu yakaita tsvakiridzo yakakura uye kuongorora mukugadzira uye kushanda kwavo.Heino mirairo yekushanda ye graphite crucibles:
Kuchenjerera kwakakosha kwepamusoro-kuchena graphite crucibles:
Dzivisa kukanganiswa kwemakanika uye usadonhedze kana kurova crucible kubva pakakwirira.Uye chengeta yakaoma uye kure kuumba mwando.Usabate mvura mushure mekunge yapisa uye yaoma.
Paunenge uchishandisa, dzivirira kutungamira murazvo wakananga kuzasi kwecrucible.Kutarisana nemurazvo wakananga kunogona kusiya mavara matema akakosha.
Mushure mekuvhara choto, bvisa chero aruminiyamu yakasara kana zvinhu zvemhangura kubva kune crucible uye dzivisa kusiya chero zvakasara.
Shandisa zvinhu zvine acidic (senge flux) zvine mwero kudzivirira kukoromoka uye kuputika kweiyo crucible.
Paunenge uchiwedzera zvinhu, dzivisa kurova crucible uye rega kushandisa mechanical force.
Kuchengeta uye kuendesa magirafu crucibles:
High-purity graphite crucibles inobata mvura, saka inofanira kuchengetedzwa kubva pakunyorova uye kubuda kwemvura.
Ngwarira kudzivirira kukuvara kwepasi.Usaisa crucible zvakananga pasi;pachinzvimbo, shandisa pallet kana stack board.
Paunenge uchifambisa crucible, dzivisa kuitenderedza nedivi pasi.Kana ichida kutenderedzwa yakatwasuka, isa kadhibhodhi gobvu kana jira pasi kudzivirira mavanga kana mabrasions pasi.
Panguva yekuendesa, chenjerera kuti usadonhedze kana kurova crucible.
Kuiswa kwema graphite crucibles:
Iyo crucible stand (crucible platform) inofanirwa kunge iine dhayamita imwechete kana yakakura seyepasi pe crucible.Kureba kwepuratifomu kunofanirwa kunge kwakakwira kupfuura murazvo wemoto kudzivirira kuti murazvo usasvike pa crucible zvakananga.
Kana ukashandisa zvidhinha zvinoramba zvepuratifomu, zvidhinha zvedenderedzwa zvinosarudzwa, uye zvinofanirwa kunge zvakati sandara pasina kukotama.Dzivisa kushandisa zvidhinha hafu kana zvisina kuenzana, uye zvinokurudzirwa kushandisa kunze kwenyika graphite mapuratifomu.
Isa crucible stand pakati pekunyunguduka kana kunyunguduka, uye shandisa kabhoni poda, mupunga dota, kana refractory donje secushion kudzivirira crucible kuti isanamatira pastand.Mushure mekuisa crucible, ita shuwa kuti yakasimudzwa (uchishandisa mwero wemweya).
Sarudza macrucibles akakodzera anowirirana nechoto, uye chengetedza gwanza rakakodzera (inenge (40mm) pakati pechipikiri nemadziro echoto.
Paunenge uchishandisa crucible ine spout, siya nzvimbo inosvika 30-50mm pakati pe spout nechidhinha chinoramba chiri pazasi.Usaise chero chinhu pasi, uye shandisa refractory donje kutsvedzerera kubatana pakati pe spout nemadziro evira.Rusvingo rwechoto runofanira kunge rwakagadzika zvidhinha zvinoramba (mapoinzi matatu), uye kadhibhodhi rine marara rinenge 3mm gobvu rinofanira kuiswa pasi pe crucible kubvumira kuwedzera kwekupisa mushure mekupisa.
Preheating uye kuomeswa kwegraphite crucibles:
Preheat the crucible padhuze nechoto chemafuta kwemaawa 4-5 usati washandisa kubatsira mukubvisa unyoro kubva pamusoro pe crucible.
Pama crucibles matsva, isa marasha kana huni mukati me crucible uye upise kweanenge maawa mana kubatsira kubvisa unyoro.
Iyo yakakurudzirwa yekudziya nguva yecrucible nyowani ndeiyi anotevera:
0 ℃ kusvika 200 ℃: Zvishoma nezvishoma simudza tembiricha kupfuura maawa mana.
Zvemavira emafuta: Wedzera tembiricha zvishoma nezvishoma kweawa imwe, kubva pa0 ℃ kusvika pa300 ℃, uye inoda 4hours kubva pa200 ℃ kusvika 300 ℃,
Zvemavira emagetsi: zvinoda maawa mana ekudziya nguva kubva pa300 ℃ kusvika 800 ℃, ipapo maawa mana kubva pa300 ℃ kusvika 400 ℃.kubva pa400 ℃ kusvika pa600 ℃, wedzera tembiricha nekukurumidza uye chengetedza kwemaawa maviri.
Mushure mekuvhara choto, nguva dzakakurudzirwa dzekudziisa ndedzinotevera:
Zvemafuta nemafuta emagetsi: Inoda 1 awa yekupisa nguva kubva 0 ℃ kusvika 300 ℃.Inoda maawa mana ekudziya nguva kubva pa300 ℃ kusvika ku600 ℃.Kurumidza kuwedzera tembiricha kusvika padanho raunoda.
Zvekuchaja:
Paunenge uchishandisa high-purity graphite crucibles, tanga nekuwedzera zvinhu zviduku zvekona usati wawedzera zvidimbu zvakakura.Shandisa mbariro kunyatsoisa uye chinyararire zvinhu mu crucible.Dzivisa kuremedza crucible kudzivirira kubva pakutyoka.
Pamavira emafuta, zvinhu zvinogona kuwedzerwa mushure mekusvika 300 ℃.
Zvemavira emagetsi:
Kubva 200 ℃ kusvika 300 ℃, tanga kuwedzera zvidiki.Kubva pa400 ℃ zvichienda mberi, zvishoma nezvishoma wedzera zvinhu zvakakura.Paunenge uchiwedzera zvinhu panguva yekuenderera mberi kwekugadzira, dzivisa kuzviwedzera munzvimbo imwechete kudzivirira oxidation pamuromo unorovera.
Nemavira emagetsi ekudzivirira, preheat kusvika 500 ℃ usati wadira aluminum inyauka.
Kuchengetedza panguva yekushandiswa kwemagraphite crucibles:
Bata zvinhu zvine hanya kana uchizviwedzera kune crucible, kudzivirira kuisa zvine simba kudzivirira kukuvadza crucible.
Kune macrucibles anoramba achishandiswa kwemaawa makumi maviri nemana, hupenyu hwavo hunogona kuwedzerwa.Pakupera kwezuva rekushanda uye kuvharwa kwechoto, izvo zvakanyungudutswa mucrucible zvinofanirwa kubviswa kudzivirira kusimba uye kunotevera kuwedzera, izvo zvinogona kutungamirira kucrucible deformation kana kuputsika.
Paunenge uchishandisa zvinonyunguduka (zvakadai seFLLUX yealuminium alloys kana borax yemhangura yemhangura), zvishandise zvishoma kuti usasvibisa madziro anoputika.Wedzera maajenti apo aluminium yakanyunguduka inenge maminetsi masere kubva pakuzadza, zvinyoronyoro ichikurudzira kuti vadzivise kunamatira kumadziro anoputika.
Ongorora: Kana iyo inonyunguduka iine zvinopfuura gumi muzana sodium (Na) zvemukati, yakakosha crucible yakagadzirwa nechaiyo zvinhu inodiwa.
Pakupera kwezuva rega rega rebasa, apo crucible ichiri kupisa, bvisa nekukurumidza chero simbi inonamatira kumadziro anorovera kudzivirira yakawandisa yakasara, iyo inogona kukanganisa kupisa kwekushisa uye kurebesa nguva yekunyungudika, zvichikonzera kupisa kwekuwedzera uye kunogona kuparara kwe crucible.
Zvinokurudzirwa kutarisa mamiriro ecrucible anenge mwedzi miviri yega yega yealuminium alloys (vhiki nevhiki yemhangura alloys).Ongorora kunze kwekunze uye uchenese kamuri yevira.Pamusoro pezvo, tenderedza crucible kuti uve nechokwadi chekupfeka, izvo zvinobatsira kuwedzera hupenyu hwepamusoro-kuchena graphite crucibles.
Nekutevera iyi mirairo yekushanda, vashandisi vanogona kuwedzera hupenyu uye kugona kwemagraphite crucibles avo, kuve nechokwadi chekushanda kwakakwana mumashandisirwo akasiyana siyana.
Nguva yekutumira: Jul-10-2023