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Cov Ntsiab Cai thiab Cov Ntawv Thov Kev Ua Haujlwm Steam Sterilization

Steam sterilization yog muab cov khoom tso rau hauv lub txee kom tsis muaj menyuam, thiab cov cua sov tso tawm los ntawm qhov kub thiab txias yuav ua rau cov protein ntawm cov kab mob coagulate thiab denature kom ua tiav lub hom phiaj ntawm kev ua kom tsis muaj menyuam. Ntshiab steam sterilization yog tus cwj pwm los ntawm kev muaj zog penetrability. Proteins thiab protoplast colloids yog siv los denature thiab coagulate nyob rau hauv cov av ntub thiab kub. Lub enzyme system yog yooj yim puas. Chav nkag mus rau hauv cov hlwb thiab condenses rau hauv dej, uas tuaj yeem tso cov cua sov kom sov thiab txhim kho cov kab mob bactericidal. .
Cov roj uas tsis yog-condensable xws li cua yog muab rho tawm los ntawm cov khoom siv tso pa tawm hauv lub thawv cua kom tsis muaj menyuam. Vim tias muaj cov roj uas tsis yog condensable xws li huab cua tsis tsuas yog cuam tshuam kev hloov pauv ntawm cov cua sov, tab sis kuj cuam tshuam qhov nkag mus ntawm chav rau hauv cov khoom.
Qhov ntsuas kub ntawm chav ua kom tsis muaj menyuam yog thawj chav ntsuas ntsuas ntsuas los ntawm lub sterilizer. Kev ua siab ntev ntawm ntau yam kab mob thiab cov kab mob kom sov nws txawv ntawm hom mus rau hom, yog li qhov kub thiab txias thiab lub sijhawm ua haujlwm yuav tsum tau sib txawv raws li qhov sib kis ntawm cov khoom tsis huv. Qhov ntsuas kub kom tsis muaj menyuam ntawm cov khoom kuj yog nyob ntawm qhov kub tsis kam ntawm cov khoom nws tus kheej thiab kev puas tsuaj ntawm qhov kub siab ntawm qee yam ntawm cov khoom.

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Feem ntau hais lus, txhawm rau txhawm rau ua kom muaj cua sov ua haujlwm thiab ua kom lub sijhawm kom tsis muaj menyuam, qhov siab dua qhov ntsuas kub kom tsis muaj menyuam, lub sijhawm luv kom tsis muaj menyuam. Feem ntau muaj qee qhov kev tsis sib haum xeeb hauv kev tshawb pom ntawm chav kub. Nyob rau tib lub sijhawm, muaj qee yam hysteresis thiab kev sib txawv ntawm qhov ntsuas kub. Xav txog tias qhov kub thiab txias ntawm chav dej saturated qhia ib qho kev sib txuas lus ib-rau-ib, kuj hais lus, nrhiav kom pom ntawm chav siab yog ntau dua thiab nrawm. , yog li lub sterilization chav siab ntawm lub sterilizer yog siv raws li lub hauv paus tswj, thiab nrhiav kom tau ntawm sterilization kub yog siv raws li kev ruaj ntseg lav.
Hauv kev siv tswv yim, chav ntsuas kub thiab ntsuas kub kom tsis muaj menyuam yog qee zaum txawv. Ntawm ib sab, thaum lub chav muaj ntau tshaj 3% condensed dej (lub dryness yog 97%), txawm hais tias lub chav kub ncav cuag tus txheej txheem, vim muaj kev cuam tshuam ntawm tshav kub hloov los ntawm cov condensed dej faib rau saum npoo ntawm lub chav. nyob rau hauv cov khoom, lub chav dhau los ntawm condensed dej zaj duab xis kub yuav txo. Txo maj mam kom qhov ntsuas kub kom tsis muaj menyuam ntawm cov khoom qis dua li qhov yuav tsum tau ua kom tsis muaj menyuam. Tshwj xeeb tshaj yog cov dej boiler nqa los ntawm lub boiler, nws cov dej zoo yuav kis tau cov khoom sterilized. Yog li ntawd, feem ntau nws yog qhov zoo heev los siv Watts DF200 high-efficiency steam-dej separator ntawm chav inlet.
Ntawm qhov tod tes, lub xub ntiag ntawm huab cua muaj qhov cuam tshuam ntxiv rau qhov ntsuas kub kom tsis muaj menyuam. Thaum cov huab cua hauv lub txee tsis raug tshem tawm lossis tsis tshem tawm tag nrho, ntawm ib sab, cov huab cua nyob hauv yuav tsim qhov chaw txias, yog li cov khoom txuas nrog huab cua tsis tuaj yeem ua kom tsis muaj menyuam. kab mob kub. Ntawm qhov tod tes, los ntawm kev tswj lub vapor siab los tswj qhov kub thiab txias, lub xub ntiag ntawm huab cua tsim ib nrab siab. Lub sijhawm no, lub siab tso tawm ntawm lub ntsuas siab yog tag nrho cov siab ntawm cov roj sib xyaw, thiab qhov tseeb chav siab yog qis dua li qhov xav tau ntawm kev ua kom tsis muaj menyuam. Yog li ntawd, qhov kub thiab txias tsis tau raws li qhov yuav tsum tau ua kom tsis muaj menyuam, ua rau kom tsis muaj menyuam.
Chav superheat yog qhov tseem ceeb cuam tshuam rau chav ua kom tsis muaj menyuam, tab sis nws feem ntau tsis saib xyuas. EN285 xav kom lub superheat ntawm lub sterilization chav yuav tsum tsis txhob siab tshaj 5 ° C. Lub hauv paus ntsiab lus ntawm saturated steam sterilization yog tias chav condenses thaum cov khoom yog txias, tso tawm ib tug loj npaum li cas ntawm latent tshav kub zog, uas tsub kom qhov kub ntawm cov khoom; thaum condensing, nws ntim shrinks sharply (1/1600), thiab nws kuj muaj peev xwm ua kom muaj kev tsis zoo nyob rau hauv lub zos, ua rau lub tom ntej no chav mus tob rau hauv cov khoom.
Cov khoom ntawm superheated chav yog sib npaug rau cov huab cua qhuav, tab sis cov cua sov hloov pauv tau qis dua; Ntawm qhov tod tes, thaum superheated chav tso tawm cov cua sov thiab qhov kub thiab txias poob qis dua qhov saturation point, condensation tsis tshwm sim, thiab lub tshav kub tso tawm lub sij hawm no tsawg heev. Thaum tshav kub kub hloov tsis tau raws li qhov yuav tsum tau ua kom tsis muaj menyuam. Qhov no tshwm sim yog pom tseeb thaum lub overheat tshaj 5 ° C. Overheated chav kuj tuaj yeem ua rau cov khoom muaj hnub nyoog sai.
Yog hais tias chav siv yog cov cua sov network chav siv rau kev tsim hluav taws xob, nws yog nws tus kheej superheated chav. Feem ntau, txawm hais tias tus kheej-muaj boiler ua rau saturated chav, chav decompression nyob rau hauv pem hauv ntej ntawm lub sterilizer yog ib hom ntawm adiabatic expansion, ua tus thawj saturated chav rau hauv superheated chav. Cov nyhuv no tshwm sim thaum qhov sib txawv siab tshaj 3 bar. Yog hais tias lub superheat siab tshaj 5 ° C, nws yog qhov zoo tshaj plaws los siv lub Watt dej da dej saturated chav ntaus ntawv kom tshem tawm cov superheat nyob rau hauv lub sij hawm.
Lub chav tsim ntawm lub sterilizer muaj xws li ib tug chav inlet nrog ib tug super chav lim, ib tug high-efficiency chav dej separator, ib tug chav siab tswj valve thiab ib tug chav ntxiab.