Iindaba

1,Intshayelelo

Ngophuhliso oluqhubekayo loshishino lwanamhlanje, iimfuno zomgangatho kunye nokusebenza kwezixhobo zetsimbi ziya ziba phezulu. Njengekhonkco elibalulekileyo ekuveliseni isinyithi kunye nezinyithi ezingenayo i-ferrous, inqanaba lophuhliso lobugcisa obuqhubekayo bokuphosa buchaphazela ngokuthe ngqo umgangatho kunye nokusebenza kakuhle kwemveliso yezinto zetsimbi. Itekhnoloji ye-vacuum eqhubekayo yokuphosa isekwe kwitekhnoloji yemveli eqhubekayo yokuphosa, ebeka ukungunda kwindawo yevacuum yokuphosa. Ineenzuzo ezibalulekileyo ezifana nokunciphisa umxholo wegesi kwintsimbi etyhidiweyo, ukunciphisa ukufakwa, kunye nokuphucula umgangatho we-billet yokuphosa. Ukulawula ngokuchanekileyo ukuhamba kwesinyithi kwindawo ye-vacuum ngundoqo ekufezekiseni umgangatho ophezuluvacuum okuqhubekayo ukuphosa.

2,Isishwankathelo seTekhnoloji yeVacuum eqhubekayo yokuCasa

(1）Umgaqo wokufunxa ngokuqhubekayo

I-vacuum eqhubekayo yokuphosa yinkqubo yokutofa isinyithi esinyibilikisiweyo kwikristali kwindawo ye-vacuum kunye nokwenza i-billet ye-cast ngokupholisa kunye nokuqina. Kwimeko ye-vacuum, ukunyibilika kweegesi kwisinyithi esityhidiweyo kuncipha, okwenza kube lula ukuba iigesi zibaleke, ngaloo ndlela kuncitshiswe iziphene ezifana ne-porosity kwi-billet ye-cast. Kwangaxeshanye, indawo yevacuum inokunciphisa unxibelelwano phakathi kwesinyithi esinyibilikisiweyo kunye nomoya, kwaye inciphise ukuveliswa kwe-oxidation kunye nokubandakanywa.

(2）Iimpawu zevacuum eqhubekayo yokuphosa

Ukuphucula umgangatho we-castings: ukunciphisa iziphene ezifana ne-pores kunye ne-inclusions, kunye nokuphucula ubuninzi kunye nokucoceka kwe-castings.

Ukuphucula ubume bokuqina kwesinyithi: kuluncedo ekusulungekiseni ubungakanani beenkozo kunye nokuphucula iimpawu zomatshini zesinyithi.

Ukunciphisa iindleko zemveliso: Nciphisa amanyathelo alandelayo okusebenza kunye nokuphucula ukusebenza kakuhle kwemveliso.

3,Impembelelo yeNdawo yeVacuum kwiMetal fluid flow

(1）Ukunciphisa ukunyibilika kwerhasi

Kwimeko ye-vacuum, ukunyibilika kweegesi kwisinyithi esinyibilikisiweyo kuncitshiswe kakhulu, okwenza kube lula ukuba iigesi zibaleke kwaye zenze amaqamza. Ukuba amaqamza akakwazi ukugxothwa ngexesha elifanelekileyo, iziphene ezifana nemingxuma yomoya ziya kubumba kwi-casting, echaphazela umgangatho wokuphosa.

(2）Ukwahluka koxinzelelo lomphezulu

Imeko ye-vacuum iya kutshintsha ukunyanzeliswa komphezulu we-metal liquid, echaphazela imeko yokuhamba kunye nenkqubo yokuqinisa i-metal liquid kwi-crystallizer. Ukutshintsha koxinzelelo lwangaphezulu kunokukhokelela ekutshintsheni kokumanzi kwentsimbi etyhidiweyo, echaphazela imeko yoqhagamshelwano phakathi kwe-billet ephosiweyo kunye nodonga lwe-crystallizer.

(3）Ukunciphisa ukuchasana nokuhamba

Kwindawo yokucoca, ukuchasana komoya ukuhamba kwentsimbi etyhidiweyo kuncipha, kwaye isantya sesinyithi esityhidiweyo siyanda. Oku kufuna ulawulo oluchanekileyo ngakumbi lokuhamba kwesinyithi ukuthintela iziganeko ezifana nesiphithiphithi kunye nokutshiza.

4,Izixhobo eziphambili kunye neendlela zobugcisa zolawulo oluchanekileyo lokuhamba kwesinyithi kwi-vacuum eqhubekayo yokuphosa umatshini

(1）ICrystallizer

Umsebenzi wecrystallizer

I-Crystallizer iyona nxalenye ephambili ye-vacuum eqhubekayo yokuphosa umatshini, umsebenzi wayo oyintloko kukupholisa kunye nokuqinisa isinyithi esityhidiweyo kuyo ukwenza i-billet ephosiweyo. Ubume kunye nobukhulu be-crystallizer buchaphazela ngokuthe ngqo umgangatho kunye nokuchaneka kwe-dimensional ye-billet cast.

Iimfuno zoyilo lwekristalizer

Ukuze ufezekise ulawulo oluchanekileyo lokuhamba kwesinyithi, uyilo lwekristali kufuneka luhlangabezane nezi mfuno zilandelayo:

(1) I-conductivity ye-thermal efanelekileyo: ikwazi ukuhambisa ngokukhawuleza ukushisa kwentsimbi etyhidiweyo, iqinisekisa isantya sokupholisa se-billet cast.

(2) I-taper efanelekileyo: I-taper ye-crystallizer kufuneka iyilwe ngokusekelwe kwiimpawu ze-shrinkage ze-casting ukuqinisekisa ukudibanisa okulungileyo phakathi kodonga kunye nodonga lwe-crystallizer, kunye nokuthintela izinto ezifana nokutsalwa kunye nokuvuza.

(3) Ukulawulwa kwenqanaba lolwelo oluzinzileyo: Ngokuchongwa kwenqanaba lolwelo oluchanekileyo kunye nezixhobo zokulawula, ukuzinza kwenqanaba lolwelo lwesinyithi kwi-crystallizer kugcinwa, ukuqinisekisa ukufana komgangatho wokuphosa.

(2）Inkqubo yentonga

Umsebenzi weplagi

Isithinteli sisixhobo esibalulekileyo esisetyenziselwa ukulawula izinga lokuhamba kunye nesantya sesinyithi esinyibilikisiweyo kwikristali. Ngokulungelelanisa indawo yokumisa, ubungakanani kunye nesantya sokuhamba kwesinyithi kunokulawulwa ngokuchanekileyo.

Umgaqo wolawulo lwenkqubo yeplunger

Inkqubo yeplagi yentonga idla ngokuba neplagi, idrive mechanism, kunye nenkqubo yolawulo. Inkqubo yokulawula ilungelelanisa indawo yeplagi yeplagi ngokusebenzisa indlela yokuqhuba ngokusekelwe kwiimfuno zenkqubo kunye neempawu zokubona umgangatho wolwelo, ukufezekisa ulawulo oluchanekileyo lokuhamba kolwelo lwesinyithi.

(3）Ukuxhokonxa kwe-Electromagnetic

Umgaqo wokuvuselela i-electromagnetic

Ukuxhokonxa kwe-electromagnetic kukusetyenziswa komgaqo wokungeniswa kwe-electromagnetic ukuvelisa umhlaba ojikelezayo wemagnethi kwintsimbi engamanzi, ebangela intshukumo eshukumayo kwintsimbi engamanzi. Ukushukuma kwe-Electromagnetic kunokuphucula ukuhamba kwesinyithi esinyibilikisiweyo, kukhuthaze ukudada kokubandakanywayo kunye nokuphuma kweegesi, kunye nokuphucula umgangatho wokusa.

Iindidi kunye nosetyenziso lwe-Electromagnetic Striring

Ukuxhokonxa kwe-Electromagnetic kwahlulahlulwe ngokweendidi ezahlukeneyo ezinje ngecrystallizer electromagnetic stirring, indawo yokupholisa yesibini ye-electromagnetic stirring, kunye nokuqina kokuphela kokushukumisa i-electromagnetic. Ngokweemfuno ezahlukeneyo zenkqubo kunye neemfuno zomgangatho wokuphosa, iintlobo ezifanelekileyo zokuvuselela i-electromagnetic zinokukhethwa ukuba zisetyenziswe.

(4）Inkqubo yokufumanisa inqanaba lolwelo kunye nolawulo

Indlela yokubona umgangatho wolwelo

Ukufunyaniswa kwenqanaba lolwelo lolunye lwekhonkco eliphambili lokufikelela kulawulo oluchanekileyo lokuhamba kolwelo lwesinyithi. Iindlela zokufumanisa inqanaba lolwelo oluqhelekileyo olusetyenziswayo ziquka ukufunyanwa kwe-isotope ye-radioactive, ukufunyanwa kwe-ultrasonic, ukufunyanwa kwe-laser, njl. Ezi ndlela zokubona zineenzuzo zokuchaneka okuphezulu kunye nesantya sokuphendula ngokukhawuleza, kwaye zinokubeka iliso kwiinguqu kwinqanaba lesinyithi kwi-crystallizer ngexesha langempela. .

Ukuqulunqwa kunye nomgaqo wokusebenza wenkqubo yokulawula inqanaba lolwelo

Inkqubo yolawulo lwenqanaba lolwelo idla ngokuba nezinzwa zomgangatho wolwelo, izilawuli, kunye nee-actuators. Inzwa yenqanaba lolwelo idlulisela umqondiso womgangatho wolwelo ofunyenweyo kumlawuli. Umlawuli ulungelelanisa indawo ye-plunger okanye ezinye iiparitha zokulawula ngokusebenzisa i-actuator ngokweemfuno zenkqubo kunye nokubeka amaxabiso, ukufezekisa ulawulo oluzinzileyo lwezinga le-metal liquid.

5,Ukulungiswa kwenkqubo yolawulo oluchanekileyo lokuhamba kwesinyithi kwi-vacuum eqhubekayo yomatshini wokuphosa

(1）Lungiselela iiparamitha zokugalela

Ukushisa okuthululwayo: Ukulawulwa okufanelekileyo kokuthulula ubushushu kunokuqinisekisa umbane kunye nokuzalisa amandla olwelo lwetsimbi, ngelixa uphepha ubushushu obugqithisileyo obunokubangela i-oxidation kunye nokufunxa ulwelo lwesinyithi.

Isantya sokugalela: Khetha isantya esifanelekileyo sokugalela ngokusekwe kubungakanani kunye neemfuno zomgangatho webillet yokuphosa. Isantya esigqithileyo sokugalela sinokubangela ukuhamba kwesinyithi okungazinzanga, okukhokelela kwisiphithiphithi kunye nokutshiza; Isantya esicothayo kakhulu sokugalela siyakuchaphazela ukusebenza kakuhle kwemveliso.

(2）Ukuphucula inkqubo yokupholisa ye-crystallizer

Ukulawulwa kwesantya sokuhamba kwamanzi okupholisa kunye nesantya sokuhamba: Ngokusekelwe kwiimpawu eziqinisiweyo kunye neemfuno zomgangatho we-billet yokuphosa, isantya sokuhamba kwamanzi okupholisa kunye nesantya sokuhamba kwe-crystallizer kufuneka ilawulwe ngokufanelekileyo ukuqinisekisa isantya sokupholisa kunye nokufana kwe-billet yokuphosa.

Ukukhethwa kweendlela zokupholisa: Iindlela zokupholisa ezahlukeneyo ezifana nokupholisa kwamanzi kunye nokupholisa i-aerosol zingasetyenziswa, kwaye ukhetho kunye nokuphucula kunokusekwe kwiimeko ezithile.

(3）Ukulawulwa ngokubambisana kwe-electromagnetic eshukumisayo kunye nenkqubo yeplagi yentonga

Ukwandiswa kweeparamitha zokuvuselela i-electromagnetic: Ngokusekwe kwiimfuno zomgangatho kunye neempawu zenkqubo yokuphosa okungenanto, khulisa ukuphindaphinda, ukuqina, kunye nendlela yokuvuselela i-electromagnetic eshukumisayo ukuze isebenzise ngokupheleleyo umsebenzi wayo.

Ulawulo olubambiseneyo lwenkqubo yeplagi kunye ne-electromagnetic stirring: Ngokusebenzisa isicwangciso solawulo esifanelekileyo, umsebenzi wokusebenzisana weplagi inkqubo kunye ne-electromagnetic stirring inokuphunyezwa ukuphucula ukuzinza kokuhamba kwentsimbi kunye nomgangatho wokusa.

6,Ukuqukumbela

Ulawulo oluchanekileyo lokuhamba kwesinyithi kwindawo ye-vacuum ngevacuum umatshini wokugalela oqhubekayongundoqo ekuphumezeni umgangatho ophezulu wemveliso ye-billet. Ngokusetyenziswa kwezixhobo eziphambili kunye neendlela zobugcisa ezifana neekristali, iinkqubo zokumisa, ukuvuselela i-electromagnetic, ukufumanisa inqanaba lolwelo kunye neenkqubo zokulawula, kunye nokulungiswa kwenkqubo, ulawulo oluchanekileyo lokuhamba kwesinyithi lunokufezekiswa ngokufanelekileyo. Kwixesha elizayo, ngophuhliso lwetekhnoloji ekrelekrele kunye nokusetyenziswa kwezinto ezintsha, itekhnoloji ye-vacuum eqhubekayo yokuphosa iya kuqhubeka nokuvuselela nokuphucula, ibonelela ngenkxaso yobugcisa ethembekileyo nesebenzayo yokuveliswa kwezixhobo zetsimbi. Kwangaxeshanye, kufuneka sijongane nemingeni efana nobunzima bobugcisa obuphezulu, iindleko eziphezulu, kunye nokunqongophala kwetalente, kwaye sikhuthaze uphuhliso kunye nokusetyenziswa kwetekhnoloji yokucoca ngokuqhubekayo ngemigudu eqhubekayo kunye nokusungula izinto ezintsha.