Water distillation system and water distillation method

A technology of water distillation and evaporator, applied in the field of water distillation system, can solve problems such as heat exchanger structural failure, system efficiency reduction, failure, etc., and achieve the effect of accelerating water evaporation, less energy consumption, and simple method

Active Publication Date: 2020-02-21
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current sewage distillation system generally requires the use of sewage and hot water or hot gas heat exchangers, often due to structural failures of the heat exchangers, resulting in reduced system efficiency or failure

Method used

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  • Water distillation system and water distillation method
  • Water distillation system and water distillation method
  • Water distillation system and water distillation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0031] A water distillation system comprising a gas cycle and a heat pump cycle;

[0032] The gas cycle includes an evaporator 1, the upper outlet of the evaporator 1 is connected to the first channel inlet of the dehumidifier 2, and the first channel outlet of the dehumidifier 2 is connected to the inlet of the separator 3, and the outlet of the separator 3 is divided into a gas outlet and a drain outlet , the gas outlet of the separator 3 is connected to the gas circulation inlet of the regenerator 5, and the gas circulation outlet of the regenerator 5 is connected to the lower inlet of the evaporator 1;

[0033] The heat pump cycle includes a compressor 8, the outlet of the compressor 8 is connected to the heat pump cycle inlet of the regenerator 5, the heat pump cycle outlet of the regenerator 5 is connected to the second channel inlet of the dehumidifier 2 through the expansion valve 7, and the second channel inlet of the dehumidifier 2 The channel outlet is connected to ...

Embodiment 1

[0045] like figure 1 As shown, the gas cycle includes an evaporator 1, and the circulating gas is heated in the evaporator 1 to evaporate water, and then enters the dehumidifier 2 for dehumidification after forming a saturated wet gas, and then enters the separator 3 for separation; after the separator 3, a drainage pump 4 is arranged to The separated liquid water is discharged out of the system; the circulating gas separated by the separator 3 enters the regenerator 5 to be heated, and the humidity is reduced, and then driven by the gas cycle machine 6, and enters the evaporator 1 to form a cycle; the inlet of the evaporator 1 is provided with a The water pump 9 sends the raw material water into the evaporator 1. The heat pump cycle includes a compressor 8. The low-temperature and low-pressure heat pump cycle working fluid absorbs heat in the dehumidifier 2, and is then compressed by the compressor 8 to become a high-temperature and high-pressure working fluid, and then enter...

Embodiment 2

[0048] like figure 2As shown, the gas cycle includes an evaporator 1, and the circulating gas is heated in the evaporator 1 to evaporate water, and then enters the dehumidifier 2 for dehumidification after forming a saturated wet gas, and then enters the separator 3 for separation; after the separator 3, a drainage pump 4 is arranged to The separated liquid water is discharged out of the system; the circulating gas separated by the separator 3 enters the regenerator 5 to be heated, and the humidity is reduced, and then driven by the gas cycle machine 6, and enters the evaporator 1 to form a cycle; the inlet of the evaporator 1 is provided with a The water pump 9 sends the raw material water into the evaporator 1. The heat pump cycle includes a compressor 8. The low-temperature and low-pressure heat pump cycle fluid absorbs heat in the dehumidifier 2, and is then compressed by the compressor 8 to become a high-temperature and high-pressure fluid, and then enters the heater 5; ...

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Abstract

The invention discloses a water distillation system and a water distillation method. The water distillation system comprises a gas cycle and a heat pump cycle; the gas cycle comprises an evaporator, the upper outlet of the evaporator is connected with the first channel inlet of a dehumidifier, the first channel outlet of the dehumidifier is connected with an inlet of a separator, the outlet of theseparator is divided into a gas outlet and a water discharge outlet, the gas outlet of the separator is connected with the gas circulation inlet of a heat regenerator, and the gas circulation outletof the heat regenerator is connected with the lower inlet of the evaporator; and the heat pump cycle comprises a compressor, the outlet of the compressor is connected with the heat pump cycle inlet ofthe heat regenerator, the heat pump cycle outlet of the heat regenerator is connected with the second channel inlet of the dehumidifier through an expansion valve, and the second channel outlet of the dehumidifier is connected with the inlet of the compressor. The water distillation system eliminates a heat exchanger in the evaporator, and the gas cycle exchanges heat with the heat pump cycle, sothe problem that the structure of the heat exchanger in the evaporator is prone to failure is solved; and the method effectively improves the efficiency of the water distillation system.

Description

technical field [0001] The invention belongs to the field of water treatment, in particular to a water distillation system and method Background technique [0002] Sewage distillation, sewage concentration and seawater desalination have indispensable value in various industrial fields and residential fresh water security. [0003] The current sewage distillation system generally requires the use of sewage and hot water or hot gas heat exchangers, often due to structural failures of the heat exchangers, resulting in reduced system efficiency or failure. Contents of the invention [0004] The object of the present invention is to provide a water distillation system and method to solve the problems in the prior art. [0005] To achieve the above object, the present invention adopts the following technical solutions: [0006] A water distillation system comprising a gas cycle and a heat pump cycle; [0007] The gas cycle includes an evaporator, the upper outlet of the evapo...

Claims

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Application Information

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IPC IPC(8): C02F1/04
CPCC02F1/04C02F2201/007
Inventor 吴伟烽张曌郭天硕李许旺王其何志龙
Owner XI AN JIAOTONG UNIV
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