A Closed Cycle Drying System Based on Two-Stage Solution Dehumidification
A solution dehumidification and closed-circuit circulation technology, which is applied in the direction of drying solid materials, drying gas arrangement, heating to dry solid materials, etc., can solve the problem of limited dehumidification capacity, achieve high dehumidification efficiency, reduce system energy consumption, and low energy consumption Effect
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Embodiment 1
[0042] The schematic diagram of the device structure of the closed-loop drying system based on two-stage solution dehumidification in this embodiment is as follows: figure 1 shown. control figure 1 , both the high-pressure steam condenser 29 and the low-pressure steam condenser 30 can adopt a heat exchanger structure.
[0043] After the hygroscopic saline solution in the primary vacuum regeneration tank 6 boils, the moisture in the hygroscopic saline solution becomes water vapor, which is pressurized by the compressor III 27 and enters the high-pressure steam condenser 29 to condense into liquid water, which is condensed and released The heat is used to heat the drying medium air (that is, the low-temperature and low-humidity drying medium drawn by the second fan 20 is preheated through the cold fluid passage of the heat exchange device 31, and then further heated through the cold fluid passage of the high-pressure steam condenser 29 to form High-temperature and high-humidit...
Embodiment 2
[0047] The schematic diagram of the device structure of the closed-loop drying system based on two-stage solution dehumidification in this embodiment is as follows: figure 2 shown. control figure 2 , both the high-pressure steam condenser 29 and the low-pressure steam condenser 30 can adopt a heat exchanger structure.
[0048] control figure 2 , the top of the first-stage vacuum regeneration tank 6 is connected by a pipeline through the hot fluid channel of the compressor III 27 and the high-pressure steam condenser 29, and the compressor IV 28 and the low-pressure steam condenser 30 of the second-stage vacuum regeneration tank 15 top pass through The hot fluid passages are connected by pipelines, and normal temperature water flows through the cold fluid passages of the low-pressure steam condenser 30 and the cold fluid passages of the high-pressure steam condenser 29 in sequence, and is heated to form domestic hot water. Both the heat of condensation in the high-pressur...
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