Tshuaj yej khov tshuab

Feb 23, 2019

Tso lus



Raws li lub npe pom zoo, cov tshuaj khov dej khov no yog lub tshuab nqus tsev rau lub tshuab nqus tsev khov rau cov dej khov nab kuab, uas muaj lub tsho kub hnyiab ntawm cov tshuaj yej tshav kub.


Cov kauj ruam ntawm txoj kev kuaj xyuas dej khov-qhuav dej tshuaj yej yog raws li nram no:


1. Pre-treat fresh tea tea (kuaj, ntxuav, thiab lwm yam);


2. Cov eutectic kub ntawm cov tshuaj yej nplooj yog ntsuas los ntawm eutectic point tester;


3. Cov tshuaj yej tshiab ces muab tso rau hauv ib lub tshuaj yej khov-tshuab drying rau pre-freezing, thiab lub pre-freezing kub yog teem rau 5 mus rau 10 ° C qis tshaj qhov eutectic kub, thiab qhov kub ntawm cov tshuaj yej khov- drying tshuab yog tsis los ntawm 2 mus rau 5 ° C / min. Tom qab teeb tsa qhov kub, cia kom ntev li 1 mus rau 2 xuab moos;


4. Nqus cov tshuaj yej khib nyiab kom sov li ntawm 1.5 thiab 20 Pa, thiab teem kom txias zis ntawm -35 ° C thiab eutectic P rau 0.5 mus rau 2 xuab moos; nce lub ziab khaub ncaws kom zoo tib lub tshuab nqus tsev. 15 ° C ~ 35 ° C, qhov kub txuag 2 ~ 5 teev;


5. Txhob cia lub tshuab nqus tsev dej khov kom qhuav, thiab tom qab ntawd muab tso rau qhov qub siab kom tiav cov txheej txheem kom qhuav ntawm cov tshuaj yej nplooj.

image
image
冻干的茶叶


Xa kev nug