Freeze-dryer water-trapping system

A technology of freeze dryer and water catcher, which is applied in the direction of drying, drying solid materials, and drying solid materials without heating. It can solve the problems of increased manufacturing cost, energy waste, and small pipe diameter, so as to improve product quality, Effect of reducing energy consumption and improving production efficiency

A technology of freeze dryer and water catcher, which is applied in the direction of drying, drying solid materials, and drying solid materials without heating. It can solve the problems of increased manufacturing cost, energy waste, and small pipe diameter, so as to improve product quality, Effect of reducing energy consumption and improving production efficiency

CN101059302AActive Publication Date: 2007-10-24联合冻干有限公司
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  • Freeze-dryer water-trapping system

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Embodiment Construction

[0036] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0037] As shown in Figure 1, it is a diagram of the water catch structure system of a freeze dryer, which is a rear-mounted internal water catch system, including a water catcher and a defrosting device. The water catchers in this embodiment are 3, including a large water catcher 8 , middle water catcher 9, small water catcher 7. The area size ratio of each water catcher is distributed according to the usage requirements. Drying bin 1 is separated by dividing plate 2 as the cold trap bin body 3 of each water catcher from the extended section of one end of door 18; The louvers inclined inside, the louvers can separate the hot temperature field of the drying chamber 1 from the cold temperature field of the water trap, prevent energy offset caused by radiation heat transfer, and prevent spray water from splashing into the drying chamber 1 during defrosting. It is suita...

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Abstract

A freeze-drying device water-collecting system, its characteristics are: the prolonging section or lower or two sides of the drying warehouse (1) end away warehouse door (18) is divided by the baffle (2) as the cold-trap warehouse bodies (3) of the water collectors; the baffle (2) is equipped with venting window (16); or the cold-trap warehouse bodies (3) installed individually are connected with the drying warehouse (1); the cold-trap warehouse bodies (3) are equipped with many water collectors; the water collector (7) with minimum surface area is installed near the side of drying warehouse (1) in the cold-trap warehouse bodies (3) and the collector (8) with maximum surface area is installed near another side in cold-trap warehouse bodies (3); the water collectors with middle surface area are installed between the water collector (7) with minimum surface and the collector (8) with maximum surface area sequentially; the upper of rear closed head of drying warehouse (1) or cold-trap warehouse bodies (3) is equipped with vacuum valve (6) which is connected with the vacuum system. The invention can increase the production efficiency of freeze-drying machine, improve product quality, reduce energy consumption and simplify the structure of equipments.

Description

technical field [0001] The present invention relates to a vacuum freeze dryer (freeze dryer for short), especially a freeze dryer water catch system. Background technique [0002] Vacuum freeze-drying (also known as freeze-drying) is to first freeze the water-containing material below the eutectic point temperature, so that the free water in it becomes ice, and then, at an appropriate temperature and vacuum, the ice is sublimated (adsorbed water evaporates) In order for water vapor to escape from the material, a water trap is used to sublimate the water vapor to obtain a dry product. When the freeze dryer is working, the vacuum in the drying chamber is obtained by the vacuum system, which is mainly composed of a vacuum unit and a water catcher. During the drying process, a large amount of water vapor cannot be completely discharged out of the warehouse by the vacuum unit alone. The vacuum unit is only used to extract non-condensable gases. It must rely on cold traps to cond...

Claims

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Application Information

Patent Timeline
24 Oct 2007
Publication
CN101059302A
IPC
F26B5/06
Inventors
王佳文; 王一田