Improved device for cool drying

A technology of cold drying and equipment, which is applied to the separation of dispersed particles, chemical instruments and methods, separation methods, etc., can solve the problems of complexity, heavy cooling circuit manufacturing, time-consuming assembly, etc., and achieve multi-energy, simple and energy-saving. Effect
CN101222967AActive Publication Date: 2008-07-16ATLAS COPCO AIRPOWER NV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ATLAS COPCO AIRPOWER NV
Publication Date
2008-07-16

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Abstract

Device for cool drying comprising a heat exchanger (2) whose primary part is the vaporizer (3) of a cooling circuit (4) which also comprises a compressor (6) driven by a motor (5), a control device (16) for this motor (5) and measuring means (17) for the lowest air temperature (LAT) , measuring means (18) for the ambient temperature (Tamb) and a flow meter (19), whereby this control device (16) can be at least switched in a first user mode in which the cooling circuit (4) is only activated when the gas flow exceeds a preset value and a second user mode in which the lowest air temperature (LAT) is maintained within a certain range by controlling the cooling circuit (4) .
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Description

technical field

[0001] The present invention relates to an improved apparatus for cold drying. Background technique

[0002] In particular, the invention relates to a plant for cold drying comprising a heat exchanger whose first part is the evaporator of a cooling circuit also comprising a compressor driven by an electric motor, a condenser , the expansion device between the outlet of the condenser and the inlet of the evaporator, the control device for controlling the above-mentioned motor and the measuring device coupled to it, while the second part of the heat exchanger is for the gas to be dried A part of the tube whereby the liquid separator is arranged at the outlet of the second part of the heat exchanger in the tube.

[0003] Compressed air, for example supplied by a compressor, is in most cases filled with water vapour, or in other words has a relative humidity of 100%. This means that in case the temperature drops below the so-called dew point, there will be cond...

Claims

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