Kev khaws cia ntawm ginseng yog qhov nyuaj rau ntau tus neeg siv khoom vim tias nws muaj cov suab thaj ntau, uas ua rau nws yooj yim nqus dej noo, pwm loj hlob, thiab kab kab kab, yog li cuam tshuam rau nws cov nqi tshuaj. Ntawm cov txheej txheem ua rau ginseng, cov txheej txheem ziab ib txwm ua rau poob ntawm kev siv tshuaj thiab qhov tsis zoo. Hauv qhov sib piv, ginseng ua tiav nrog lub tshuab nqus tsev txias tuaj yeem khaws nws cov khoom xyaw nquag, suav nrog cov khoom tsis zoo xws li ginsenosides, tsis poob. Cov khoom lag luam ua tiav li no, feem ntau hu ua "active ginseng," muaj ntau dua ntawm cov tshuaj nquag."OB" Froze Drying, raws li ib tug kws tshaj lij lub tshuab nqus tsev vacuum freeze-drying service provider, tau ua qhov kev tshawb fawb tob txog cov txheej txheem khov-drying rau ginseng thiab lub hom phiaj los pab cov kws tshawb fawb ua cov haujlwm khov-qhuav kom zoo dua.
1. Yuav Ua Li Cas Teeb Eutectic Point thiab Thermal Conductivity ntawm Ginseng
Ua ntej pib cov txheej txheem khov-drying, nws yog ib qho tseem ceeb los txiav txim siab qhov taw tes eutectic thiab thermal conductivity ntawm ginseng, vim cov xwm txheej no yuav cuam tshuam rau lub freeze-dryer's parameter settings. Raws li Arrhenius (SA Arrhenius) ionization txoj kev xav thiab kev sim los ntawm ntau tus kws tshawb fawb, qhov ntsuas kub ntawm ginseng pom nyob nruab nrab ntawm -10 ° C thiab -15 ° C. Thermal conductivity yog ib qho tseem ceeb rau kev suav cov kev siv cua txias, lub zog cua sov, thiab lub sijhawm ziab. Txij li thaum ginseng muaj cov qauv zoo li honeycomb zoo li ntxeem tau, nws tuaj yeem kho raws li cov khoom ntxeem tau, thiab cov txheej txheem kev siv hluav taws xob ruaj khov tuaj yeem siv los ntsuas nws cov thermal conductivity. Nyob rau hauv kev tshawb fawb khov-qhuav ua los ntawm Xu Chenghai ntawm Northeastern University, nws tau pom tias cov thermal conductivity ntawm ginseng yog 0.041 W / (m·K) siv cov ntsuas kub flux thiab ntsuas kev ua haujlwm.
2. Cov ntsiab lus tseem ceeb hauv Ginseng Freeze-Drying Process
"OB" Froze Drying summarizes ginseng freeze-drying process rau hauv pre-treatment, pre-freezing, sublimation drying, desorption drying, and post-treatment. Cov txheej txheem no zoo ib yam li ntau lwm yam tshuaj ntsuab. Txawm li cas los xij, muaj ntau cov ntsiab lus uas yuav tsum tau them sai sai rau. Plaub-ntiv nplhaib Freeze Drying pom zoo kom ntxuav cov ginseng ua ntej khov-qhuav, shaping nws kom zoo, thiab xaiv ginseng cov hauv paus hniav nrog cov kab uas zoo sib xws. Muab cov koob nyiaj rau saum npoo ntawm ginseng thaum ua. Qhov kev npaj no tuaj yeem pab ua kom tiav kom qhuav, txo lub sij hawm kom qhuav, thiab ua rau muaj kev zoo nkauj zoo nkauj dua khov-qhuav ginseng.
Tsim nyog ntsuas kub thaum lub sij hawm ua ntej khov
Nyob rau theem ua ntej khov, ginseng's eutectic point kub yog nyob ib ncig ntawm -15 ° C. Lub freeze-dryer lub txee kub yuav tsum tau tswj ntawm ib ncig ntawm 0 ° C mus rau -25 ° C. Yog tias qhov kub thiab txias dhau lawm, qhov saum npoo ntawm ginseng tuaj yeem tsim ua npuas, ntsws, thiab lwm yam teeb meem uas cuam tshuam rau qhov kev sim ua tiav. Lub sij hawm ua ntej khov yog nyob ntawm ginseng txoj kab uas hla thiab kev ua haujlwm ntawm lub tshuab ziab khaub ncaws. Yog tias siv lub tshuab ziab khaub ncaws kom tsim nyog, txo cov ginseng los ntawm chav tsev kub mus rau ib ncig ntawm -20 ° C thiab teem lub sij hawm ua ntej khov rau 3-4 teev yuav tau txais txiaj ntsig zoo tshaj plaws.
"OB" Froze Drying muaj ntau yam kev sim ua kom khov-dryers uas tuaj yeem pab cov kws tshawb fawb ua tiav cov txiaj ntsig ua ntej khov. Piv txwv li, "OB" PFD-50 lub tshuab ziab khaub ncaws muaj qhov kub thiab txias ntawm -75 ° C, thiab nws cov txee txias tuaj yeem poob ntawm 20 ° C mus rau -40 ° C hauv qab 60 feeb. Qhov ntsuas cua txias txias tuaj yeem poob ntawm 20 ° C mus rau -40 ° C hauv qab 20 feeb. Qhov ntsuas kub ntawm lub txee yog nyob nruab nrab ntawm -50 ° C thiab + 70 ° C, nrog cov dej ntim ntawm 8KG.
Yuav ua li cas thaum lub sij hawm sublimation ziab kom tsis txhob poob
Sublimation ziab ntawm ginseng yog cov txheej txheem nyuaj uas yuav tsum tau muab cov khoom siv hluav taws xob tas mus li rau lub sublimation latent tshav kub thaum ua kom ntseeg tau tias qhov kub ntawm sublimation interface tseem qis dua qhov eutectic point. Thaum lub sijhawm ua haujlwm no, kev saib xyuas tshwj xeeb yuav tsum tau them rau kev tswj xyuas qhov kub ntawm qhov khov-qhuav ginseng ntawm lossis qis dua qhov kub thiab txias, uas suav tias yog nyob ib puag ncig -50 ° C. Yog tias qhov kub thiab txias heev, cov khoom yuav yaj thiab khib nyiab. Txhawm rau kom qhuav kom du, kev tswj xyuas meej ntawm cov khoom siv hluav taws xob thiab ginseng kub yog qhov tsim nyog kom tsis txhob muaj kev sim ua tsis tiav. Lub sij hawm kuj yog ib qho tseem ceeb, thiab kev tshawb fawb qhia tias kev teeb tsa sublimation ziab lub sij hawm ntawm 20 mus rau 22 teev ua rau cov txiaj ntsig zoo tshaj plaws.
Nrog "OB" khov-dryers, cov neeg ua haujlwm tuaj yeem nkag mus rau cov txheej txheem khov-kho kom qhuav rau hauv cov khoom siv, ua rau lub sijhawm hloov mus rau kev tuav haujlwm. Cov ntaub ntawv khov-drying tuaj yeem raug saib xyuas, thiab qhov ntsuas tsis tau hloov kho txhua lub sijhawm thaum tus txheej txheem. Lub kaw lus tseem cia li saib xyuas, kuaj pom, thiab sau cov ntaub ntawv cuam tshuam, nrog cov yam ntxwv xws li lub tswb tsis siv neeg lub zog thiab lub peev xwm defrost kom ntseeg tau tias qhov zoo tshaj plaws khov-qhuav.
Kev tswj ntawm Desorption ziab lub sij hawm mus txog 8 teev
Tom qab sublimation qhuav, capillary phab ntsa ntawm ginseng tseem muaj cov dej noo uas yuav tsum tau muab tshem tawm. Cov dej noo no yuav tsum muaj cua sov txaus rau desorption. Nyob rau hauv lub desorption drying theem, ginseng cov khoom kub yuav tsum tau nce mus rau qhov siab tshaj plaws ntawm 50 ° C, thiab lub chamber yuav tsum muaj ib tug siab nqus tsev vacuum los tsim ib tug siab sib txawv los pab lub evaporation ntawm dej vapor. "OB" Froze Drying pom zoo tswj lub sij hawm desorption ziab mus txog 8 teev.
Teem sijhawm tom qab kho Ginseng
Tom qab kev kho mob ntawm ginseng yog qhov yooj yim. Tom qab ziab, nws yuav tsum tau ntim tam sim ntawd lub tshuab nqus tsev los yog nitrogen-purged. "OB" Txias Qhuav qhia cov neeg siv tias ginseng yog hygroscopic heev tom qab ziab, yog li cov neeg ua haujlwm yuav tsum tiv thaiv nws los ntawm absorbing noo noo thiab deteriorating. Lub chaw kuaj mob yuav tsum tau ua kom qhuav.
Active ginseng processed with a freeze-dryer has better quality and looks than ginseng qhuav los ntawm ib txwm txoj kev xws li liab ginseng los yog sun-dried ginseng. Qhov no yog vim hais tias nquag ginseng yog lub cev qhuav dej ntawm qhov kub thiab txias, khaws cia nws cov enzymes, ua rau nws yooj yim rau zom thiab nqus, thiab khaws nws cov khoom siv tshuaj. Tsis tas li ntawd, nws tuaj yeem rov ua dej rau nws lub xeev tshiab los ntawm kev ntub dej hauv cov cawv tsawg lossis cov dej distilled.
Thaum kawg, "OB" Txias ziab kom nco ntsoov txhua tus neeg ua haujlwm ginseng ntawm ntau qhov sib txawv thiab siv cov tshuab ziab khaub ncaws sib txawv yuav ua rau qee qhov kev hloov pauv ntawm qhov khov-qhuav nkhaus. Thaum lub sij hawm kev sim, nws yog ib qho tseem ceeb kom nyob twj ywm hloov tau, txheeb xyuas qhov xwm txheej tshwj xeeb, kho qhov tsis muaj kev ziab kom qhuav, txhim kho kom qhuav nrawm, thiab ua kom pom qhov zoo tshaj plaws kom qhuav qhuav.
Lub freeze-dryer zoo muab qhov kub thiab txias, lub tshuab nqus tsev, thiab cov condensation cuam tshuam, ua kom muaj kev sib faib ntawm cov cua sov thiab huab cua thaum lub sij hawm khov-drying txheej txheem, yog li txhim kho kom qhuav efficiency thiab cov khoom zoo. Tsis tas li ntawd, ib qho zookhov tshuab ziab khaub ncawstuaj yeem txo qis kev siv hluav taws xob thiab cov nqi hauv kev tshawb fawb thwmsim, lav qhov kawg cov khoom zoo li thiab zoo. Raws li ib tug kws tshaj lij lub tshuab nqus tsev khov-drying kev pabcuam, "BOTH" Freeze Drying specializes nyob rau hauv muab high-kev ua tau zoo freeze-dryer designs thiab customized nqus freeze-drying dlaws, precisely txuam cov kev xav tau ntawm txawv freeze-drying khoom. Pab neeg tshaj lij ntawm "BOTH" Freeze Drying tau mob siab rau muab cov lus qhia dav dav thiab cov kws tshaj lij kev ua haujlwm los pab txhua tus neeg ua haujlwm tau nrawm nrawm, txhim kho kev tshawb fawb thiab kev tsim khoom.
Post lub sij hawm: Dec-09-2024
