真空包裝機廠的真(zhen)空包裝機增加(jia)充(chong)氣(qi)功能是(shi)(shi)有(you)兩種(zhong)方(fang)式(shi),一(yi)種(zhong)是(shi)(shi)氣(qi)嘴直(zhi)接伸到產(chan)品(pin)袋(dai)(dai)子(zi)里(li)(li)面(mian)進(jin)行(xing)充(chong)氣(qi)的,另一(yi)種(zhong)是(shi)(shi)把(ba)要(yao)充(chong)的氣(qi)體先(xian)充(chong)滿(man)整(zheng)個真(zhen)空室,然后靠(kao)負壓差充(chong)滿(man)袋(dai)(dai)子(zi)。那(nei)究竟采用(yong)哪種(zhong)方(fang)式(shi)充(chong)氣(qi)好(hao)(hao)呢,這(zhe)里(li)(li)主要(yao)看客戶(hu)的產(chan)品(pin)性(xing)質,單純來說肯定是(shi)(shi)直(zhi)接沖到袋(dai)(dai)子(zi)里(li)(li)比較好(hao)(hao),這(zhe)樣置換的又純還(huan)能省(sheng)不(bu)少氣(qi)源,但是(shi)(shi)大(da)家一(yi)定要(yao)考慮好(hao)(hao)自己產(chan)品(pin)性(xing)質。如果(guo)(guo)產(chan)品(pin)是(shi)(shi)顆(ke)粒,我們可以采取起(qi)初一(yi)種(zhong)方(fang)法直(zhi)接讓充(chong)氣(qi)嘴到袋(dai)(dai)子(zi)里(li)(li)進(jin)行(xing)充(chong)氣(qi),但是(shi)(shi)如果(guo)(guo)你的產(chan)品(pin)是(shi)(shi)粉末狀的就不(bu)能用(yong)起(qi)初一(yi)種(zhong)方(fang)法了,需要(yao)第二種(zhong)在真(zhen)空室充(chong)氣(qi)利用(yong)壓力差充(chong)滿(man)袋(dai)(dai)子(zi)。可是(shi)(shi)客戶(hu)又要(yao)要(yao)求達到一(yi)定比例(li)的殘氧量,這(zhe)就很矛盾了。
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