Semiconductor refrigeration dryer and refrigeration drying method

Abstract

The invention relates to a semiconductor refrigeration dryer which is used for micro flow below 0.7m<3> / min, is small in the appearance size, simple in the structure and convenient to operate as well as a refrigeration drying method. The semiconductor refrigeration dryer comprises an alternative-current direct-current electrical appliance controller. A refrigeration surface of the semiconductor refrigerator is connected with an outer wall surface of an aluminum alloy air cavity; the radiation surface of an aluminum alloy radiating fin is connected with a radiation surface of the semiconductorrefrigerator; the inside of the whole aluminum alloy air cavity is cooled down by means of heating emission of a metal conductor; and the flowing air inside the air cavity is cooled down so that water in the air is separated through condensation and is discharged through an automatic drainer communicated with the lower end of the aluminum alloy air cavity. The invention has the advantages of supplement of application blank of micro flow below 0.7m<3> / min, small volume, simple structure, convenient operation, remarkable energy-saving effect, environmental protection, energy saving, low carbon,no noise of the whole machine, no moving member, high reliability, rapid start speed, flexible control and very accurate control of air outlet dew point.

Description

technical field [0001] The invention relates to a 0.7m 3 The semiconductor refrigeration dryer and refrigeration drying method with micro-flow rate below / min, small size, simple structure, and easy operation are mainly used in laboratory applications, end-user gas consumption, and applications that cannot be replaced by other dryers. Refrigeration dryer manufacturing field. Background technique [0002] Dryers in the domestic market are mainly divided into two types based on different working principles: freeze dryers and adsorption dryers. Freeze dryers work on the principle of freezing and cooling to remove water, while adsorption dryers work on the principle of adsorption drying and water removal. [0003] The working principle of the refrigerated dryer is: through the refrigeration system to provide cooling capacity and heat exchange with the incoming air, while cooling the raw material air, condense a large amount of water in the air into condensed water, and then se...

AI Technical Summary

Problems solved by technology

The suction dryer is also a device that integrates equipment and electricity. Compared with the freeze dryer, the process flow and system integration of its equipment are more complicated. Due to the regeneration of the adsorbent, it will consume about 15% of the finished gas.

For the long-term operation of the equipment, the energy consumption is relatively high

In addition, when the adsorbent is used for a certain working period, all of them will fail, and all of them must be replaced. The replaced adsorbent has no use value, and will also cause certain pollution to the environment.

When the equipment is difficult to deal with, it is necessary to send professionals to the scene to deal with it, and the maintenance cost is relatively high

The pressure dew point of the finished gas of the equipment is greatly affected by the inlet pressure and inlet temperature, and the performance is not stable enough

[0005] For refrigerated dryers and adsorption dryers, they are mainly used in the process and control of gas in industrial sectors. The equipment is suitable for occasions with large flow rates, and the minimum flow rate is only 0.7m 3 / min, if less than 0.7m 3 / min application occasions, can only use 0.7m 3 / min specifications of the dryer to replace, resulting in very low cost performance of the dryer product, and a serious threat to the normal use of the equipment, resulting in unstable equipment, reducing the use effect

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