Heat pump type seawater desalination apparatus with step preheating, and control method thereof
A heat pump type, cascade technology, applied in chemical instruments and methods, seawater treatment, general water supply conservation, etc., can solve the problems of complex implementation, high system sealing requirements, increased energy consumption, etc., to improve utilization efficiency and system energy efficiency. ratio, control accuracy, and the effect of increasing the fade rate
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[0040] The specific embodiment of the present invention will be described in detail below in conjunction with the accompanying drawings, but the present invention is not limited to this embodiment. In order to make the public have a thorough understanding of the present invention, specific details will be described in conjunction with the experimental device built.
[0041] Such as figure 1As shown, the present invention is a heat pump type seawater desalination device with cascade preheating, and relates to a cascade preheating, heat recovery and film evaporation technology of a seawater desalination device. High-efficiency desalination of seawater is achieved through recovery of waste heat, film evaporation and other technologies, including:
[0042] The hydrophobic cover plate 3 is used for the condensed water on the cover plate to flow smoothly into the evaporator side;
[0043] Axial flow fan 4, used to suck water vapor from the condenser side to the evaporator side for...
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