Xov xwm

1,Taw qhia

Nrog rau kev txhim kho txuas ntxiv ntawm kev lag luam niaj hnub no, cov kev xav tau rau kev ua tau zoo thiab kev ua haujlwm ntawm cov ntaub ntawv hlau tau dhau los ua siab. Raws li qhov txuas tseem ceeb hauv kev tsim cov hlau thiab cov hlau tsis muaj hlau, kev txhim kho qib ntawm kev nruam casting tshuab ncaj qha cuam tshuam rau qhov zoo thiab kev ua haujlwm ntawm cov ntaub ntawv hlau. Lub tshuab nqus tsev nruam casting tshuab yog raws li cov txheej txheem nruam nruam casting, uas tso cov pwm rau hauv lub tshuab nqus tsev rau casting. Nws muaj cov txiaj ntsig tseem ceeb xws li txo cov roj cov ntsiab lus hauv cov hlau molten, txo kev suav nrog, thiab txhim kho qhov zoo ntawm cov hlau casting. Kev tswj xyuas cov hlau ntws hauv lub tshuab nqus tsev yog tus yuam sij kom ua tiav cov khoom zoonqus nruam casting.

2,Txheej txheem cej luam ntawm Nqus Nruam Casting Technology

(1)Lub hauv paus ntsiab lus ntawm lub tshuab nqus tsev nruam casting

Lub tshuab nqus tsev nruam casting yog txheej txheem ntawm kev txhaj tshuaj molten hlau mus rau hauv lub crystallizer nyob rau hauv ib qho chaw nqus tsev vacuum thiab tsim ib tug cam khwb cia billet los ntawm txias thiab solidification. Nyob rau hauv ib qho chaw nqus tsev vacuum, solubility ntawm gases nyob rau hauv lub molten hlau txo, ua rau nws yooj yim dua rau gases khiav, yog li txo qhov tsis xws luag xws li porosity nyob rau hauv lub cam khwb cia billet. Nyob rau tib lub sijhawm, ib puag ncig lub tshuab nqus tsev tuaj yeem txo qhov kev sib cuag ntawm cov hlau molten thiab huab cua, thiab txo qhov tsim ntawm oxidation thiab kev suav nrog.

(2)Cov yam ntxwv ntawm lub tshuab nqus tsev nruam casting

Txhim kho qhov zoo ntawm castings: txo qhov tsis xws luag xws li pores thiab inclusions, thiab txhim kho qhov ceev thiab purity ntawm castings.

Txhim kho cov qauv solidification ntawm cov hlau: muaj txiaj ntsig zoo rau kev ua kom zoo ntawm cov nplej loj thiab txhim kho cov khoom siv ntawm cov hlau.

Txo cov nqi tsim khoom: Txo cov kauj ruam tom ntej thiab txhim kho kev tsim khoom.

3,Qhov cuam tshuam ntawm Nqus Ib puag ncig ntawm Hlau Ua Kua Dej

(1)Tsawg roj solubility

Nyob rau hauv ib puag ncig lub tshuab nqus tsev, solubility ntawm gases nyob rau hauv molten hlau yog txo qis, ua rau nws yooj yim dua rau gases khiav thiab tsim npuas. Yog tias npuas tsis tuaj yeem raug ntiab tawm raws sijhawm, cov teeb meem xws li cua qhov yuav tsim nyob rau hauv lub casting, cuam tshuam qhov zoo ntawm cov casting.

(2)Nto nro variation

Lub tshuab nqus tsev ib puag ncig yuav hloov qhov nro ntawm cov hlau ua kua, cuam tshuam rau lub xeev ntws thiab cov txheej txheem solidification ntawm cov kua hlau hauv crystallizer. Kev hloov pauv ntawm qhov nro tuaj yeem ua rau muaj kev hloov pauv ntawm cov dej ntub dej ntawm cov hlau molten, cuam tshuam rau lub xeev kev sib cuag ntawm cov cam khwb cia hlau thiab cov phab ntsa crystallizer.

(3)Txo ntws tsis kam

Hauv ib puag ncig lub tshuab nqus tsev, qhov tsis kam ntawm huab cua mus rau qhov ntws ntawm cov hlau molten txo, thiab qhov nrawm ntawm cov hlau molten nce. Qhov no yuav tsum muaj kev tswj xyuas kom meej meej ntawm cov hlau ntws los tiv thaiv qhov tshwm sim xws li turbulence thiab splashing.

4,Cov cuab yeej tseem ceeb thiab cov cuab yeej siv rau kev tswj xyuas cov hlau ntws hauv lub tshuab nqus tsev nruam casting

(1)Crystallizer

Kev ua haujlwm ntawm crystallizer

Crystallizer yog lub hauv paus tseem ceeb ntawm lub tshuab nqus tsev nruam casting, uas nws lub luag haujlwm tseem ceeb yog kom txias thiab ua kom cov hlau molten nyob rau hauv nws los ua ib qho cam khwb cia hlau. Cov duab thiab qhov loj ntawm crystallizer ncaj qha cuam tshuam rau qhov zoo thiab qhov tseeb ntawm cov cam khwb cia hlau.

Cov qauv tsim rau crystallizer

Txhawm rau kom ua tiav kev tswj xyuas cov hlau ntws zoo, tus tsim ntawm crystallizer yuav tsum ua raws li cov cai hauv qab no:

(1) Zoo thermal conductivity: muaj peev xwm hloov cov cua sov ntawm cov hlau molten sai, ua kom cov cua txias ceev ntawm cov cam khwb cia hlau.

(2) Tsim nyog taper: Lub taper ntawm lub crystallizer yuav tsum tau tsim raws li lub shrinkage yam ntxwv ntawm lub casting los xyuas kom meej kev sib cuag zoo ntawm lub casting thiab crystallizer phab ntsa, thiab tiv thaiv phenomena xws li rub thiab to.

(3) Kev tswj cov kua dej ruaj khov: Los ntawm cov kua theem kom paub meej thiab tswj cov cuab yeej, kev ruaj ntseg ntawm cov hlau ua kua theem hauv cov crystallizer yog khaws cia, kom ntseeg tau qhov sib xws ntawm cov khoom zoo.

(2)Stick system

Kev ua haujlwm ntawm lub ntsaws

Lub stopper yog ib qho khoom siv tseem ceeb siv los tswj tus nqi ntws thiab nrawm ntawm cov hlau molten rau hauv crystallizer. Los ntawm kev kho qhov chaw ntawm lub stopper, qhov loj thiab ceev ntawm cov hlau ntws tuaj yeem tswj tau qhov tseeb.

Tswj txoj cai ntawm plunger system

Plug rod system feem ntau muaj ib tug plug pas nrig, ib tug tsav mechanism, thiab ib tug tswj system. Lub kaw lus tswj tau kho txoj hauj lwm ntawm lub ntsaws pas nrig los ntawm kev tsav tsheb raws li cov txheej txheem yuav tsum tau ua thiab ntsuas cov kua theem taw qhia, ua tiav kev tswj xyuas cov hlau ua kua dej.

(3)Electromagnetic stirring

Lub hauv paus ntsiab lus ntawm electromagnetic stirring

Electromagnetic stirring yog siv lub hauv paus ntsiab lus ntawm electromagnetic induction los tsim ib tug rotating magnetic teb nyob rau hauv cov kua hlau, ua rau stirring suab nyob rau hauv cov kua hlau. Electromagnetic nplawm tuaj yeem txhim kho lub xeev ntws ntawm cov hlau molten, txhawb lub ntab ntawm cov khoom sib xyaw thiab kev khiav tawm ntawm cov pa roj, thiab txhim kho qhov zoo ntawm castings.

Hom thiab kev siv ntawm Electromagnetic Stirring

Electromagnetic stirring yog muab faib ua ntau hom xws li crystallizer electromagnetic stirring, Secondary cooling zone electromagnetic stirring, thiab solidification kawg electromagnetic stirring. Raws li cov txheej txheem sib txawv thiab cov kev xav tau zoo, cov khoom tsim nyog ntawm electromagnetic stirring tuaj yeem xaiv rau daim ntawv thov.

(4)Ua kua theem nrhiav thiab tswj qhov system

Cov txheej txheem ntawm kev ntsuas kua theem

Kev kuaj xyuas cov kua dej yog ib qho ntawm cov kev sib txuas tseem ceeb kom ua tiav kev tswj xyuas cov hlau ua kua dej. Cov txheej txheem kev tshawb nrhiav cov kua dej feem ntau suav nrog kev tshawb nrhiav cov isotope radioactive, kuaj ultrasonic, laser nrhiav, thiab lwm yam. Cov kev tshawb nrhiav no muaj qhov zoo ntawm cov neeg siab thiab cov lus teb ceev ceev, thiab tuaj yeem saib xyuas cov kev hloov pauv hauv cov kua hlau qib hauv crystallizer hauv lub sijhawm. .

Kev sib xyaw thiab kev ua haujlwm ntawm cov kua theem tswj qhov system

Cov kua theem tswj system feem ntau muaj cov kua theem sensors, controllers, thiab actuators. Cov kua theem sensor xa cov kua theem teeb liab mus rau tus maub los. Tus maub los kho txoj hauj lwm ntawm lub plunger lossis lwm yam kev tswj tsis tau los ntawm tus actuator raws li cov txheej txheem yuav tsum tau thiab teeb tsa qhov tseem ceeb, ua tiav kev tswj xyuas ruaj khov ntawm cov hlau ua kua.

5,Txheej txheem optimization ntawm meej tswj cov hlau ntws nyob rau hauv lub tshuab nqus tsev nruam casting tshuab

(1)Optimize pouring tsis

Pouring kub: Tsim nyog tswj ntawm qhov kub thiab txias tuaj yeem ua kom lub cev muaj zog thiab ua kom muaj peev xwm ntawm cov kua hlau, thaum tsis txhob kub dhau heev uas yuav ua rau oxidation thiab nqus cov kua hlau.

Pouring ceev: Xaiv qhov tsim nyog pouring ceev raws li qhov loj thiab zoo yuav tsum tau ntawm lub casting billet. Kev khiav ceev ntau dhau yuav ua rau cov hlau tsis ruaj khov, ua rau muaj kev kub ntxhov thiab txaws; Ib qho qeeb qeeb qeeb yuav cuam tshuam rau kev tsim khoom.

(2)Txhim kho qhov txias txias ntawm crystallizer

Kev tswj cov dej txias ntws thiab tus nqi ntws: Raws li cov yam ntxwv ntawm kev ua kom zoo thiab cov kev xav tau zoo ntawm cov khoom siv hluav taws xob, cov dej txias ntws thiab cov dej ntws ntawm cov crystallizer yuav tsum tau tswj kom muaj nuj nqis los xyuas kom meej qhov txias ceev thiab uniformity ntawm casting billet.

Kev xaiv cov txheej txheem txias: Cov txheej txheem txias sib txawv xws li dej txias thiab aerosol txias tuaj yeem siv tau, thiab kev xaiv thiab kev ua kom zoo tuaj yeem ua raws li cov xwm txheej tshwj xeeb.

(3)Kev sib koom ua ke ntawm electromagnetic stirring thiab plug rod system

Optimization ntawm electromagnetic stirring tsis: Raws li qhov yuav tsum tau ua zoo thiab txheej txheem cov yam ntxwv ntawm lub casting dawb paug, optimize lub zaus, siv, thiab stirring txoj kev ntawm electromagnetic stirring kom tag nrho nws muaj nuj nqi.

Kev sib koom ua ke ntawm kev sib txuas ntawm lub tshuab ntsaws thiab electromagnetic stirring: Los ntawm lub tswv yim tswj kom tsim nyog, kev sib koom ua haujlwm ntawm plug system thiab electromagnetic stirring tuaj yeem ua tiav los txhim kho kev ruaj ntseg ntawm cov hlau ntws thiab zoo ntawm castings.

6,Xaus

Kev tswj xyuas meej ntawm cov hlau ntws hauv lub tshuab nqus tsev ib puag ncig los ntawm alub tshuab nqus tsev nruam casting tshuabyog tus yuam sij rau kev ua tiav high-zoo billet ntau lawm. Los ntawm kev siv cov cuab yeej tseem ceeb thiab cov cuab yeej cuab tam xws li crystallizers, lub tshuab nres, electromagnetic stirring, kua theem nrhiav thiab tswj cov tshuab, nrog rau cov txheej txheem optimization, meej tswj cov hlau ntws tuaj yeem ua tiav. Nyob rau hauv lub neej yav tom ntej, nrog rau kev txhim kho cov cuab yeej ntse thiab kev siv cov ntaub ntawv tshiab, lub tshuab nqus tsev nruam casting technology yuav txuas ntxiv mus tsim thiab txhim kho, muab kev txhim khu kev qha thiab muaj txiaj ntsig zoo rau kev tsim cov khoom siv hlau. Nyob rau tib lub sijhawm, peb kuj yuav tsum tau ntsib cov kev cov nyom xws li kev nyuaj siab, tus nqi siab, thiab kev txawj ntse tsis txaus, thiab txhawb kev txhim kho thiab siv lub tshuab nqus tsev nruam casting los ntawm kev siv zog thiab kev tsim kho tshiab.