冷冻干燥是将含水物质，预先冻结成固态，而后在真空状态下使其中的水分从固态升华成气态冻干机设备，以除去水分而保存物质的方法。这种干燥方法得到的物品，原有的化学、生物特性基本不变，易于长期保存，加水后能恢复到冻干前的形态，并且能保持其原有的生化特性，是一种优质的干燥方法。

 LENGDONGGANZAOJISHUYIJINGZAIHUAGONG、SHIPIN、CAILIAO、YIYAO、SHENGWUZHIPINDENGLINGYUDEDAOGUANGFANYINGYONG。ZHENKONGLENGDONGGANZAOJI(JIANCHENGDONGGANJI)，SHISHIXIANLENGDONGGANZAOJISHUDESHEBEI，SHIYIZHONGJIEGOUBIJIAOFUZADEJIQI，TASHEJIDAOZHILENG、ZHENKONG、REGONG、JIXIE、LIUTI、DIANQIKONGZHIHEYALIRONGQIDENGLINGYUDEZHISHI。

   ER、SHIYANXILIEDONGGANJIDEFENLEI

   SHIYANXILIEDONGGANJIZHUIQIUDEXINGNENGZHIBIAOSHITIJIXIAO、ZHONGLIANGQING、GONGNENGDUO、XINGNENGWENDING、CESHIXITONGZHUNQUEDUGAO，SHIYIJIDUOYONG，NENGSHIYINGDUOZHONGWULIAODEDONGGANSHIYAN。SHIYANXILIEDONGGANJIZHONGLEIDEZHUYAOHUAFENFANGFAYOU：

  CONGJIEGOUSHANGFEN

   ZHONGZHAOXINGDONGGANJI：DONGGANQIANGHELENGJINGWEIFENLIDESHANGXIAJIEGOU，DONGGANQIANGMEIYOUYUDONGGONGNENG。GAILEIXINGDEDONGGANJIZAIWULIAOYUDONGJIESHUHOUZHUANRUGANZAOGUOCHENGSHIXUYAORENGONGCAOZUO。DABUFENSHIYANXINGDONGGANJIDOUWEIZHONGZHAOXING，QIJIEGOUJIANDAN、ZAOJIADI。DONGGANQIANGDUOSHUSHIYONGTOUMINGYOUJIBOLIZHAO，BIANYUGUANCHAWULIAODEDONGGANQINGKUANG。

  l原位型冻干机：冻干腔和冷阱为两个独立的腔体，冻干腔中的搁板带制冷功能，物料置入冻干腔后，物料的预冻、干燥过程无需人工操作。该类型冻干机的制作工艺复杂，制造成本高，但原位型冻干机是冻干机发展方向，是进行冻干工艺摸索的理想选择冻干机设备，特别适用于医药、生物制品及其他特殊产品的冻干。

   a、PUTONGXINGb、DUOQIGUANXINGc、YAGAIXING

 CONGGONGNENGSHANGFEN

   PUTONGGEBANXING：WULIAOSANZHUANGYUWULIAOPANZHONG，SHIYONGYUSHIPIN、ZHONGCAOYAO、FENMOCAILIAODEDONGGAN。

   DAIYAGAIZHUANGZHIXING：SHIHEXILINPINGZHUANGWULIAODEGANZAO，DONGGANZHUNBEISHI，ANXUYAOJIANGWULIAOFENZHUANGZAIXILINPINGZHONG，FUGAIHAOPINGGAIHOUJINXINGLENGDONGGANZAO，GANZAOJIESHUHOUCAOZUOYAGAIJIGOUYAJINPINGGAI，KEBIMIANERCIWURAN、ZHONGXINXIFUSHUIFEN，YIYUZHANGQIBAOCUN。

    DAIYUDONGGONGNENGXING：WULIAOYUDONGGUOCHENG，LENGJINGZUOWEIYUDONGQIANGYUDONGWULIAO，ZAIGANZAOGUOCHENG，LENGJINGWEIBUSHUIQI，BUHUOWULIAOYICHUDESHUIFEN。DAIYUDONGGONGNENGDEDONGGANJI，LENGDONGGANZAOGUOCHENGWULIAODEYUDONG、GANZAODENGJUNZAIDONGGANJISHANGWANCHENG，DONGGANJISHIYONGXIAOLVGAO，JIESHENGLEDIWENBINGXIANGDEFEIYONG。

    DUOQIGUANXING：ZAIGANZAOSHIWAIBUJIEZHUANGSHAOPING，DUIXUANDONGZAIPINGNEIBIDEWULIAOJINXINGGANZAO，ZHEISHISHAOPINGZUOWEIRONGQIJIEZAIGANZAOXIANGWAIDEQIGUANSHANG，SHAOPINGZHONGDEWULIAOKAOSHIWENJIARE，TONGGUODUOQIGUANKAIGUANZHUANGZHI，KEANXUYAOSUISHIQUXIAHUOZHUANGSHANGSHAOPING，BUXUYAOTINGJI。