Njira yowumitsa matabwa ochekedwa kapena zida zomalizidwa mu zowumitsa zimachitika motengera kutentha, chinyezi komanso kuthamanga kwa mpweya. Zinthu izi pamodzi zimapanga drying mode.
Sinthani mawonekedwe pakuyanika
Kutentha ndi chinyezi zimasintha panthawiyi:
- kumayambiriro kwa kuyanika, monga lamulo, kutentha kochepa ndi kutentha kwa mpweya kumakhazikitsidwa, ndi kusiyana kochepa pakati pa kuwerenga pa thermometer youma ndi yonyowa;
- Kumapeto kwa kuyanika, kutentha kwakukulu ndi mpweya wochepa wa mpweya umayikidwa, ndi kusiyana kwakukulu pakati pa zowerengera pa thermometer youma ndi yonyowa.
Pamene pali kusiyana kwakukulu pakati pa zowerengera pa thermometer youma ndi yonyowa, kuuma kwaumitsidwe kolimba - pansi pa miyeso yofanana ya miyeso, mtundu ndi chikhalidwe cha zipangizo, kupanga chowumitsira ndi zofunikira zokhudzana ndi ubwino wa zinthu zowuma.
Kuvuta kwa boma kungayesedwe poyerekezera ndi nthawi yowuma mokhazikika. Ngati nthawi yowuma munjira yomwe mwapatsidwa ndi yaifupi kuposa momwe zimakhalira, mawonekedwewo amakhala ovuta.
Kuwongolera chinyezi ndi kukangana kwa nkhuni
Poyanika, chinyezi ndi kupsinjika kwa nkhuni ziyenera kuyendetsedwa.
Chinyezi chimawunikiridwa ndi kuyeza kwanthawi ndi nthawi kwa matabwa owongolera omwe ali m’chipinda chowumitsira. Kupsyinjika kapena kupanikizika kumawongoleredwa poyang’ana mafoloko oyesedwa omwe adulidwa kuchokera ku chitsanzo chowongolera.
Chithunzi 1. Mafoloko oyesera: a - kupsinjika kwamphamvu mu zigawo zakunja ndi kupsinjika kwamkati mkati; b - kuthamanga padziko ndi mavuto m’chigawo chapakati; c - chitsanzo chabwino.
Molingana ndi kupsinjika kwa zinthu, kukonza matabwa koyenera kumayikidwa. Kupsinjika kwamphamvu komwe kumayambitsa ming’alu yakunja kumachitika nthawi zambiri. Kenako zinthuzo zimakonzedwa ndi mpweya wokhala ndi chinyezi chowonjezereka komanso kutentha kwapamwamba.
Mankhwalawa nthawi zambiri amachitidwa matabwawo akafika pa chinyezi cha 23 mpaka 30%. Mpweya wokhala ndi chinyezi chowonjezereka komanso kutentha kokwera umagwiritsidwa ntchito poumitsa mitengo yamitengo yolimba, komanso zinthu zamitundu ikuluikulu yodutsana kuchokera kumitengo yamtengowo.
Nthawi yomwe ikukonzedwa apakatikati ndi:
- pamitengo ya paini ndi spruce: 4–5 maola pa 25 mm makulidwe aliwonse;
- pamitengo ya birch: 6–8 maola.
Kuyeza kutentha kwa mpweya ndi chinyezi
Kutentha ndi chinyezi cha mpweya wotentha mu chowumitsira amayezedwa ndi psychrometer. Amakhala ndi ma thermometers awiri - owuma ndi onyowa - ndipo chinyezi cha mpweya chimatsimikiziridwa molingana ndi kuwerenga kwawo, mothandizidwa ndi zithunzi kapena matebulo apadera.
Mikhalidwe yogwiritsira ntchito bwino chowumitsira
Mode yokhazikitsira ikhoza kusungidwa ngati palibe kutentha kwapang’onopang’ono komanso ngati mpweya wabwino komanso kutulutsa mpweya wodzaza ndi nthunzi wamadzi zimachitika bwino.
Ndi chifukwa chake chowumitsira chiyenera kukhala chosindikizidwa bwino. Zitseko, makoma ndi kudenga ziyenera kusunga kutentha, pamene mayendedwe operekera ndi utsi ayenera kupereka mpweya wabwino mosalekeza ndi kuchotsa mpweya wodzaza ndi nthunzi wamadzi.
Kusankha koyenera kwa chitseko ndi zida zotsekera chipinda chowumitsira, kukonza mwadongosolo komanso kukonza kukonzanso kokonzekera kumapangitsa kuti zinthuzo ziume bwino komanso kuti ziume.