Cryogenic deffouniashing thev naus laus zis ua ntej tsim ua ntej thaum xyoo 1950. Hauv kev txhim kho cov txheej txheem ntawm cryogenic defiashingmachines, nws tau mus dhau los ntawm peb lub sijhawm tseem ceeb. Ua raws li cov lus no kom nkag siab tag nrho.
(1) Ua Ntej Cryogenic Deflashing Tshuab
Lub nruas khov yog siv los ua cov thawv ua haujlwm rau cov khoom khov, thiab cov dej khov kom qhuav yog pib xaiv raws li lub tub yees. Cov seem yuav tsum tau kho yog thauj khoom mus rau hauv lub nruas, muaj peev xwm nrog ntxiv ntawm qee qhov kev tsis sib haum xeeb ua haujlwm. Qhov ntsuas kub sab hauv lub nruas yog tswj tau kom ncav cuag lub xeev uas cov npoo muaj nkig me thaum cov khoom nws tus kheej tseem tsis cuam tshuam. Txhawm rau kom ua tiav lub hom phiaj no, cov tuab ntawm cov npoo yuav tsum yog ≤0.15mm. Lub nruas yog thawj feem ntawm cov khoom siv thiab yog octagonal nyob rau hauv cov duab. Tus yuam sij yog tswj hwm qhov tshwm sim ntawm cov ntiab tawm, tso cai rau lub voj ncig kom tshwm sim ntau zaus.
Lub nruas tig counterclockwise to taub, thiab tom qab lub sijhawm, lub flash sawv tau nkig thiab cov txheej txheem kho kom tiav. Qhov tsis xws ntawm thawj tiam khov kho yog tsis tiav kev hloov kho, tshwj xeeb tshaj yog seem ntawm lub flash sawv ntawm qhov xaus ntawm kab ntu. Qhov no yog tshwm sim los ntawm kev ua pa tsis txaus ua qauv lossis ntau dhau ntawm cov roj hmab txheej txheem (ntau dua 0.2 hli).
(2) Qhov thib ob cryogenic defflashing tshuab
Qhov thib ob cryogenic defflashing tshuab tau ua peb txoj kev txhim kho raws li thawj tiam. Ua ntej, cov tub yees txias tau hloov pauv ua kua nitrogen. Dej khov qhuav, nrog rau sublimation taw tes ntawm -78.5 ° C, tsis haum rau qee qhov tsawg-kub britting, xws li silicone roj hmab. Ua kua nitrogen, nrog lub boiling taw tes ntawm -195.8 ° C, yog haum rau txhua hom roj hmab. Qhov thib ob, kev txhim kho tau ua rau lub thawv ntim uas tuav cov ntu kom muaj kev txiav. Nws raug hloov los ntawm lub nruas tig rau ib qho kev sib txuas ntawm lub ntsej muag conveyor siv raws li tus neeg nqa khoom. Qhov no tso cai rau cov khoom kom khi rau hauv cov zawj, loj dua txo qhov tshwm sim ntawm cov pob tuag. Qhov no tsis tsuas yog siv tau kev ua tau zoo tab sis kuj ua rau kev txhim kho qhov yog qhov kho. Thib peb, tsis txhob cia siab rau ntawm kev sib tsoo ntawm cov ntu kom tshem cov npoo npoo, nplua-grained blasting media yog qhia. Hlau lossis tawv yas yas nrog lub particle loj ntawm 0.5 ~ 2 hli tau tua ntawm saum npoo ntawm cov kab nrawm ntawm 2555m / s, tsim kev cuam tshuam loj. Qhov kev txhim kho no tau ua rau lub sijhawm voj voog voj voog.
(3) Qhov thib peb cryogenic defflashing tshuab
Qhov thib peb cryogenic defflashing tshuab yog kev txhim kho raws li lub thib ob tiam. Lub thawv rau cov ntu kom raug txiav kom raug hloov mus rau ib qho pob tawb nrog phab ntsa perforated. Cov qhov npog cov phab ntsa ntawm lub pob tawb nrog txoj kab uas hla ntawm 5 hli (loj dua li ntawm lub qhov project, loj dua li ntawm lub qhovcia) kom dhau los ntawm lub qhov xwm txheej ntawm lub qhov printhly thiab poob rov qab rau sab saum toj ntawm cov khoom siv rau kev rov siv dua. Qhov no tsis yog nthuav cov khoom muaj peev xwm ua tau zoo tab sis kuj txo cov pob tawb ntim khoom, tab sis muaj qee qhov kev cuam tshuam (40 ° ~). Qhov no inclination kaum sab xis ua rau lub pob tawb kom tig mus los ntawm cov txheej txheem ntawm ob lub zog uas tau muab los ntawm cov khoom siv Centrifugal Thaum cov rog ob lub zog no ua ke, ib qho 360 ° Omnidirectional Zog tshwm sim, tso cai rau tshem flash sawv ntsug uniformly thiab tag nrho hauv txhua qhov kev qhia.
Lub sij hawm Post: Lub Yim Hli 08-2023