Natural vacuum low temperature distillation sea water desalination method and device
A vacuum low-temperature, natural technology, applied in seawater treatment, general water supply saving, heating water/sewage treatment, etc., can solve the problem of high cost per ton of fresh water, achieve energy saving and power saving, no power consumption, and cost reduction.
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[0020] The present invention will be further described below in conjunction with drawings and embodiments.
[0021] Natural vacuum low temperature distillation seawater desalination device such as figure 1 shown. It includes: a solar thermal collector 1 for collecting solar energy; an evaporation coil 16 that uses the high-temperature heat transfer medium from the solar thermal collector to heat seawater and evaporate it; a condensing coil 16 that condenses the steam from the evaporation chamber 4 into fresh water A seawater supply tank 12 for loading seawater; a thick seawater tank 9 for loading concentrated seawater discharged after desalination; a freshwater tank 8 for collecting fresh water from the condenser 5; a freshwater tank 8 for recycling Part of the heat of the concentrated seawater discharged from the evaporation chamber 4 is used to heat the casing regenerator 15 of the feed water before entering the evaporation chamber 4; a shower 2 for distributing the heated ...
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