Cov txheej txheem ntawm kev siv lub tshuab khov nab kuab los ua lub khob khov nab kuab yog qhov zoo ib yam. Cov kauj ruam tseem ceeb suav nrog kev npaj cov khoom, cov kauj ruam ua haujlwm thiab kho hardness. Nov yog cov kauj ruam tshwj xeeb:
1. Khoom siv:
Ntxiv nrog rau cov hmoov ice cream, dej, thiab cones, yuav tsum muaj lub tshuab khov nab kuab. Raws li cov lus qhia ntawm lub ntim dej khov, ib phaus hmoov sib xyaw nrog 2.8 phaus dej. Tom qab stirring tusyees, cia nws sawv ntsug rau 10-15 feeb, thiab tom qab ntawd ncuav nws mus rau hauv lub tank ntawm lub tshuab khov nab kuab.
2. Cov kauj ruam ua haujlwm:
- Ntxuav lub tshuab ice cream. Ncuav cov dej huv uas tsim nyog rau hauv ob lub tso tsheb hlau luam, nias lub pob ntxuav kom huv rau 3 mus rau 4 feeb, thiab ntws dej tom qab ntxuav.
- Npaj cov khoom xyaw ice cream. Sib tov cov hmoov nplej nrog dej ntshiab, qhov sib piv ntawm cov hmoov rau dej yog li 1: 2 mus rau 1: 3 (qhov piv ntawm 1: 3 yuav tsis qab zib heev), siv lub tshuab hluav taws xob los txhuam tusyees thiab cia nws sawv ntsug. 20 feeb.
- Ncuav rau hauv cov khoom xyaw. Tom qab sawv, do dua, thiab tom qab ntawd ncuav cov khoom xyaw rau hauv cov khoom thoob rau saum lub tshuab.
- Pib ua. Nias lub pob tub yees thiab lub tshuab pib ua dej khov. Lub vaj huam sib luag yuav tso saib cov khob uas tuaj yeem ua tau thiab qib ntawm kev tsim. Thaum cov degree ntawm kev sib sau nce mus txog 99%, nws txhais tau hais tias cov ice cream tau ua tiav. Lub sijhawm ntawd, lub tshuab yuav cia li nres thiab nkag mus rau lub xeev standby.
- Tso tawm. Nias lub khawm lub tub yees dua, rub lub pas nrig, thiab cov dej khov yuav ntws tawm (tsuas yog nyob rau hauv lub tub yees, rub lub kauj kom tso cov dej khov, lub xeev standby tsis ua haujlwm).
3. Kho qhov hardness:
Thaum lub ntsuas hardness ntawm lub ice cream ncav cuag lub hardness (li 15 feeb rau thawj zaug), lub tshuab yuav nkag mus rau lub standby lub xeev. Tus nqi hardness ntawm cov dej khov tuaj yeem hloov kho raws li tus kheej saj.
Los ntawm cov kauj ruam saum toj no, koj tuaj yeem yooj yim ua kom qab lub khob noom cookie siv lub tshuab khov nab kuab.
