發布者: 奧伯特烘干 時間:2020-4-28 16:19:38
水(shui)(shui)(shui)稻(dao)等糧食作物(wu)(wu)(wu)(wu)烘干(gan)的過(guo)程(cheng)是一(yi)個非(fei)常復(fu)雜(za)的量變過(guo)程(cheng),這(zhe)是由谷(gu)物(wu)(wu)(wu)(wu)自(zi)身物(wu)(wu)(wu)(wu)理生理特性所決定的。專業技術人員所繪(hui)出的谷(gu)物(wu)(wu)(wu)(wu)水(shui)(shui)(shui)分(fen)蒸發(fa)過(guo)程(cheng)所耗費時(shi)(shi)(shi)(shi)間(jian)(jian)的曲線(xian)幾乎與拋物(wu)(wu)(wu)(wu)線(xian)吻合。通俗地說,當谷(gu)物(wu)(wu)(wu)(wu)自(zi)身水(shui)(shui)(shui)分(fen)高達20%—30%之(zhi)間(jian)(jian)時(shi)(shi)(shi)(shi),平(ping)均(jun)每小(xiao)(xiao)時(shi)(shi)(shi)(shi)可(ke)下(xia)(xia)降(jiang)(jiang)1—2個百分(fen)點甚至(zhi)更多的水(shui)(shui)(shui)分(fen);當谷(gu)物(wu)(wu)(wu)(wu)自(zi)身水(shui)(shui)(shui)分(fen)下(xia)(xia)降(jiang)(jiang)至(zhi)15%—20%之(zhi)間(jian)(jian)時(shi)(shi)(shi)(shi),平(ping)均(jun)每小(xiao)(xiao)時(shi)(shi)(shi)(shi)下(xia)(xia)降(jiang)(jiang)水(shui)(shui)(shui)分(fen)可(ke)能(neng)會(hui)(hui)在0.3%—1%之(zhi)間(jian)(jian);當谷(gu)物(wu)(wu)(wu)(wu)自(zi)身的水(shui)(shui)(shui)分(fen)在15%以(yi)下(xia)(xia)時(shi)(shi)(shi)(shi),每個小(xiao)(xiao)時(shi)(shi)(shi)(shi)水(shui)(shui)(shui)分(fen)的蒸發(fa)量可(ke)能(neng)會(hui)(hui)更低(di)。正(zheng)規的烘干(gan)機廠家(jia)為保證烘干(gan)谷(gu)物(wu)(wu)(wu)(wu)的質量,都是通過(guo)電(dian)子信息技術控制熱量來實現烘干(gan)機能(neng)夠(gou)按照上述(shu)拋物(wu)(wu)(wu)(wu)線(xian)漸次(ci)下(xia)(xia)降(jiang)(jiang)運行的。如果(guo)一(yi)味追求(qiu)烘干(gan)時(shi)(shi)(shi)(shi)間(jian)(jian)(俗稱“降(jiang)(jiang)水(shui)(shui)(shui)率”),則(ze)其烘出來的糧食品(pin)質勢必會(hui)(hui)大(da)大(da)縮水(shui)(shui)(shui),不僅(jin)爆腰(yao)率、碎(sui)米(mi)率高,而且色(se)澤渾濁,品(pin)相(xiang)和營養價值也會(hui)(hui)受到影(ying)響。
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