Low-pressure freeze dryer

A freeze dryer, low-pressure technology, applied in refrigerators, drying solid materials, drying solid materials without heating, etc., can solve problems such as inability to adjust capillary tubes, achieve optimal transportation advantages, ensure refrigeration effects, and prevent blockage and system ice blocking effect
CN113405324APending Publication Date: 2021-09-17广东葆德科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
广东葆德科技有限公司
Publication Date
2021-09-17

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Abstract

The invention discloses a low-pressure freeze dryer, and belongs to the field of gas equipment in the electronic industry. The low-pressure freeze dryer comprises a box body, a compressor, a condenser and an evaporator, and the compressor, the condenser and the evaporator are sequentially connected through a refrigerant conveying pipeline to form a loop. An electronic adjusting valve and an ice-pressure drying filter are arranged at the part, from the condenser to the evaporator, of the refrigerant conveying pipeline. The box body comprises a base, a top plate, a front wall, a rear wall and two side walls, and the front wall, the rear wall and the two side walls are connected between the base and the top plate. The condenser is located on the inner side of the right side wall and fixed to the base, and a forklift position is arranged at the bottom of the base. The condenser and the evaporator are located on the inner sides of the two side walls respectively and fixed to the base, and the evaporator is higher than the condenser. Supporting columns are fixed to the lower end of the evaporator, and the evaporator is fixed to the base through the supporting columns. Heat dissipation holes distributed in an array mode are formed in the two side walls. The refrigerant flow is adjusted by changing the opening degree of the electronic throttling valve, and then the cold air amount after heat exchange is changed, so that adjustment can be performed according to the air consumption of a user to meet requirements.
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Description

technical field

[0001] The invention belongs to the field of gas equipment in the electronic industry, and in particular relates to a low-pressure freeze dryer. Background technique

[0002] At present, the gas pressure generally used in the electronics industry in the market is relatively small, usually less than 7bar, and most of the equipment used in the market is above 8bar. At present, conventional cold dryers use capillary tubes as their throttling devices. After the user's gas consumption becomes smaller, the capillary tube cannot be adjusted according to the user's actual gas consumption, which will easily cause ice blockage inside the refrigerant copper tube. The cold dryer is large in size and inconvenient to carry. Contents of the invention

[0003] The object of the present invention is to provide a low-pressure freeze dryer to solve the problem that the current freeze dryer cannot adjust the capillary according to the gas consumption.

[0004] In order to re...

Claims

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