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Cold and hot integrated vacuum freeze dryer

An all-in-one, freeze dryer technology, applied in non-progressive dryers, dryers, drying solid materials without heating, etc., can solve the problems of uneven shelf temperature, cumbersome operation procedures, and expensive equipment. Achieve the effect of saving equipment space and manufacturing costs, increasing the freeze-drying area, and improving space utilization.

Inactive Publication Date: 2019-06-14
SHANGHAI INST OF SATELLITE EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Food freeze dryers also have disadvantages such as uneven shelf temperature, unstable vacuum, low drying rate, large size, cumbersome operation process, low degree of automation, and expensive equipment.

Method used

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  • Cold and hot integrated vacuum freeze dryer

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Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0018] Embodiment 1: The cold and hot integrated vacuum freeze dryer includes frame 1, drying bin 2, shelf 3, drying bin acrylic board 4, touch screen 5, cold trap acrylic board 6, door handle 7, refrigeration and heating integrated unit 8, Cold trap refrigeration pipeline 9, shelf cooling and heating pipeline 10, vacuum degree regulating valve 11, control system 12, cold trap 13, vacuum pump 14;

[0019] The frame) is an external frame structure, the touch screen 5 is installed on the frame panel, and the control system 12 is installed inside the frame; the drying bin 2 is connected with the drying bin acrylic plate 4; the shelf 3 is installed inside the drying bin 2; the cold trap 13 The vacuum degree regulating valve 11 communicates with the drying chamber 2, and at the same time connects with the cold trap acrylic plate 6; the drying chamber acrylic plate 4 and the cold trap acrylic plate 6 are equipped with a door handle 7; the vacuum pump 14 is connected with the cold tra...

specific Embodiment approach 2

[0020] Embodiment 2: This embodiment differs from Embodiment 1 in that the size of the frame 1 is 1800 mm in height, 1350 mm in width and 800 mm in depth. Other steps are the same as in the first embodiment.

specific Embodiment approach 3

[0021] Embodiment 3: This embodiment differs from Embodiment 1 in that the distance between shelves 3 is 100 mm. Other steps are the same as in the first embodiment.

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Abstract

The invention discloses a cold and hot integrated vacuum freeze dryer. The cold and hot integrated vacuum freeze dryer includes a dry bin, a shelf, a cold trap, an acrylic plate, a regulating valve, arefrigeration and heating all-in-one machine, a vacuum pump and a control system; a frame is of a main body outer frame structure, a touch screen is installed on a frame panel, and the control systemis installed inside the fame; the dry bin is connected with a dry bin acrylic plate; the shelf is installed inside the dry bin; a cold trap communicates with the dry bin through a vacuum degree regulating valve and is connected with a cold trap acrylic plate at the same time; a door knob is installed on the dry bin acrylic plate and the cold trap acrylic plate; the vacuum pump is connected with the cold trap; a refrigeration and heating all-in-one unit is connected with the cold trap through a cold trap refrigeration pipeline, and a shelf refrigeration and heating pipeline is connected with the shelf. The cold and hot integrated vacuum freeze dryer is compact in structure, convenient to operate, and good in temperature uniformity, one-button automatic operation and the vacuum degree control function can be realized, the intelligent level of cold and hot integrated vacuum freeze dryer is improved effectively, and the operative difficulty index of operating staff is reduced sharply.

Description

technical field [0001] The invention belongs to the technical field of medicine and food machinery, and relates to a novel vacuum freeze-drying equipment. Background technique [0002] Vacuum freeze-drying (referred to as freeze-drying) is to freeze the material below the eutectic point temperature to make the water into solid ice, and then directly sublimate the water in the material from solid to gaseous state by vacuuming and discharge it out of the material. a drying method. Usually, the vacuum freeze-drying process mainly includes: pre-freezing stage, sublimation drying stage and analytical drying stage. [0003] Moreover, as the amount of food refrigerated is increasing day by day, its complex distribution system and the shortcomings of easy mixing of germs make people need a method that does not require refrigeration, is easier to store, and can keep fresh for a long time. Vacuum freeze-drying technology caters to this this need. Freeze-dried food is light in weigh...

Claims

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Application Information

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IPC IPC(8): F26B11/00F26B25/10F26B5/06F26B25/00F26B23/00
Inventor 祁松松景加荣董栋董德胜任维松
Owner SHANGHAI INST OF SATELLITE EQUIP
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