专利名称：REGENERATION OF DESICCANT IN GAS DEHUMIDIFYING APPARATUS
发明人：ASANO YOSHIZO,YAMANE SHIGEZO,OKADA KA
申请号：JP100683
申请日：19830106
公开号：JPH0127769B2
公开日：
19890530
摘要：PURPOSE:To reduce the variation in the dew point of a drying gas at the begining of the changing-over of the dehumidifying tower of which the reproduction has been completed by lowering the temp. of a desiccant, by flowing a part of drying gas having a temp. lower than that of the desiccant into the other dehumidifying tower in the post- stage of the desiccant cooling process of a two-tower change-over type dehumidifying apparatus. CONSTITUTION:Valves 20, 16, 7, 13, 14 are opened and air from an air intake port 25 is heated by a heater 23 while heated air is passed through a dehumidifying tower 3 to evaporate the moisture of a desiccant and discharged from a discharge port 26. In the next step, valves 14, 16, 20, 21 are closed and valves 15, 18 are opened while cooled dehumidified air is flowed into the dehumidifying tower 3 to perform the primary cooling of the desiccant and the air issued from the dehumidifying tower 3 is returned to a cooler 24 through the valves 7, 15. After the interior of the dehumidifying tower 3 is purged with dry inert gas supplied from a dehumidifying tower 2 through a pipeline 27, the valves 7, 13 are closed and valves 9, 11 are opened while a part of inert gas being gas to be dried already cooled by a cooler is flowed into the
dehumidifying tower 3 from a gas inlet 4 to perform the secondary cooling of the desiccant. The gas issued from the dehumidifying tower is combined with the dry gas issued from the dehumidifying tower 2.
申请人：DAIDO PURANTO KOGYO KK
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