真空包裝機廠(chang)的(de)真空包裝機(ji)增加充(chong)(chong)氣(qi)功能是(shi)有兩種(zhong)(zhong)(zhong)方式(shi)，一(yi)種(zhong)(zhong)(zhong)是(shi)氣(qi)嘴(zui)直接伸到產(chan)品(pin)袋子(zi)里(li)面進(jin)行充(chong)(chong)氣(qi)的(de)，另一(yi)種(zhong)(zhong)(zhong)是(shi)把(ba)要(yao)(yao)充(chong)(chong)的(de)氣(qi)體先(xian)充(chong)(chong)滿整(zheng)個真空室(shi)，然后靠(kao)負壓差充(chong)(chong)滿袋子(zi)。那(nei)究竟采用哪(na)種(zhong)(zhong)(zhong)方式(shi)充(chong)(chong)氣(qi)好呢，這里(li)主(zhu)要(yao)(yao)看客戶的(de)產(chan)品(pin)性質，單(dan)純來(lai)說肯定(ding)是(shi)直接沖到袋子(zi)里(li)比較好，這樣(yang)置換的(de)又純還能省(sheng)不少氣(qi)源，但是(shi)大(da)家一(yi)定(ding)要(yao)(yao)考慮好自己產(chan)品(pin)性質。如(ru)果產(chan)品(pin)是(shi)顆粒，我們可以采取(qu)起初一(yi)種(zhong)(zhong)(zhong)方法直接讓充(chong)(chong)氣(qi)嘴(zui)到袋子(zi)里(li)進(jin)行充(chong)(chong)氣(qi)，但是(shi)如(ru)果你的(de)產(chan)品(pin)是(shi)粉(fen)末(mo)狀的(de)就不能用起初一(yi)種(zhong)(zhong)(zhong)方法了(le)，需(xu)要(yao)(yao)第二種(zhong)(zhong)(zhong)在(zai)真空室(shi)充(chong)(chong)氣(qi)利用壓力差充(chong)(chong)滿袋子(zi)。可是(shi)客戶又要(yao)(yao)要(yao)(yao)求達(da)到一(yi)定(ding)比例(li)的(de)殘氧量(liang)，這就很矛盾了(le)。