The invention relates to a drying device, in particular to a freeze dried one vacuum freeze dryer, comprising a freeze-dried evaporation bin, installed in the evaporation chamber of the freeze-dried frozen evaporation plate, water collecting chamber, the refrigeration compressor, an oil separator, a condenser, a reservoir composed of refrigeration compressor, vacuum pump and the electrical control cabinet, which is characterized by freeze dry evaporation chamber and water collecting chamber through between two parallel plates separated sealed, sealed cavity formed between two parallel plates, in the freeze-dried evaporation chamber side of the lower baffle is provided with vent holes in the side of the water, catch water catching Bin Bin the partition is provided with vent. The refrigerating compressor is connected with the freeze drying evaporation bin and the water catching storehouse through the pipeline, and the vacuum pump is connected with the bottom of the water catching storehouse. The characteristics of the operating efficiency of the technical scheme has the configuration and structure of the equipment is more reasonable, the equipment is high, long service life, the production cost of equipment and cost, compared with vacuum freeze drying equipment currently can reduce about 10 20%.
【技术实现步骤摘要】
冻干合一真空冷冻干燥机
本专利技术涉及一种干燥设备,特别是一种冻干合一真空冷冻干燥机。
技术介绍
真空冻干过程是在低温低氧环境下进行的,物料在冰状态和真空环境下升华逸出水蒸气使物料脱除水分,冻干物料的含水量一般在3-5%左右。此工艺可最大程度保留被冻干物料原有的色、香、味和营养成分,并且具有外观形状和复水性好等特点,可在数秒至几分钟内恢复物料的新鲜状态。冻干产品无任何添加剂和防腐剂,能在常温下储存3至5年,冻干产品重量轻、方便运输,航天食品均为冻干制品。中国知识产权局2010年03月24日授权公告的名为“真空冷冻干燥机”的专利,授权公告号:CN100595505C的专利技术专利,该机是将冻干、抽真空加热干燥放置在一起,具有结构紧凑、耗能低等特点,但在使用过程中主存在一下问题:1、抽真空加热升华干燥时,冻干仓内的升华水汽从下部直接进入捕水仓底部,由于热气上升,冷气下沉的物理特性,流经捕水器的水汽上升流速较快,缩短了捕水器的凝霜时间,捕水效率低,延长了冻干时间,增加了耗电量;2、由于套管式的制冷剂回液热加器换热效果较低,循环冷却水降温达不到冷凝器的水温要求,致使制冷压缩机组运行负荷增高,如果增加制冷剂回液热加器的换热面积,将大大增加设备制作成本和体积等问题。
技术实现思路
本专利技术的目的是解决现有设备的技术不足,提供一种结构更为合理、运行效率更高、能耗更低的冻干合一真空冷冻干燥机。为实现上述目的,本专利技术的技术方案为:一种冻干合一真空冷冻干燥机,包括冻干蒸发仓、安装在冻干蒸发仓内的冷冻蒸发板、捕水仓、由制冷压缩机、油分离器、冷凝器、储液器组成的制冷压缩机组、真 ...
【技术保护点】
一种冻干合一真空冷冻干燥机,包括冻干蒸发仓、安装在冻干蒸发仓内的冷冻蒸发板、捕水仓、由制冷压缩机、油分离器、冷凝器、储液器组成的制冷压缩机组、真空泵和电气控制柜,其特征在于在密闭的冻干蒸发仓(19)和捕水仓(5)之间通过两个平行的隔板将其隔开,两个平行的隔板之间形成密闭的腔体,在冻干蒸发仓一侧的隔板下端开有通气孔,在捕水仓一侧的捕水仓隔板(6)上端开有通气孔;制冷压缩机(17)的出口通过管路分别与油分离器(16)、冷凝器(14)、储液罐(15)顺序相连通,储液罐上出液口通过制冷管路(11)分别与冻干蒸发仓和捕水仓中的冻干蒸发仓分配器(8)、捕水仓分配器(4)相连通,在制冷管路与冻干蒸发仓分配器和冻干蒸发仓分配器相连的管路上分别安装有阀门,冻干蒸发仓分配器与安装在冻干蒸发仓内的冷冻蒸发板(7)的进液口通过管路相连通,捕水仓分配器通过管路与安装在捕水仓内的换热器(3)的进液口相连通;冷冻蒸发板的出液口和换热器的出液口通过管路与安装在冷却塔(2)内的盘管(1)的入口相连通,在连接冷冻蒸发板的出液口和换热器的出液口之间的管路上安装有阀门Ⅵ(20);盘管出口通过制冷压缩机低压级吸气管路(21)与 ...
【技术特征摘要】
1.一种冻干合一真空冷冻干燥机,包括冻干蒸发仓、安装在冻干蒸发仓内的冷冻蒸发板、捕水仓、由制冷压缩机、油分离器、冷凝器、储液器组成的制冷压缩机组、真空泵和电气控制柜,其特征在于在密闭的冻干蒸发仓(19)和捕水仓(5)之间通过两个平行的隔板将其隔开,两个平行的隔板之间形成密闭的腔体,在冻干蒸发仓一侧的隔板下端开有通气孔,在捕水仓一侧的捕水仓隔板(6)上端开有通气孔;制冷压缩机(17)的出口通过管路分别与油分离器(16)、冷凝器(14)、储液罐(15)顺序相连通,储液罐上出液口通过制冷管路(11)分别与冻干蒸发仓和捕水仓中的冻干蒸发仓分配器(8)、捕水仓分配器(4)相连通,在制冷管路与冻干蒸发仓分配器和冻干蒸发仓分配器相连的管路上分别安装有阀门,冻干蒸发仓分配器与安装在冻干蒸发仓内的冷冻蒸发板(7)的进液口通过管路相连通,捕水仓分配器通过管路与安装在捕水仓内的换热器(3)的进液口相连通;冷冻蒸发板的出液口和换热器的出液口通过管路与安装在冷却塔(2)内的盘管(1)的入口相连通,在连接冷冻蒸发板的出液口和换热器的出液口之间的管路上安装有阀门Ⅵ(20);盘管出口通过制冷压缩机低压级...
【专利技术属性】
技术研发人员:贾冬生,张敏,王婷,
申请(专利权)人:银川利智信知识产权咨询服务有限公司,
类型:发明
国别省市:宁夏,64
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