A compressed steam capillary drive seawater desalination device

A seawater and capillary technology, which is applied in seawater treatment, general water supply saving, heating water/sewage treatment, etc., to achieve the effects of reducing heat energy loss, avoiding condensation heat loss, and reducing sensible heat loss

Inactive Publication Date: 2018-07-10
RUNHAI ENERGY TECH INC JIANGSU
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large number of technologies tend to recycle the heat in waste steam / wastewater, but few technologies pay attention to the kinetic energy contained in waste steam / water

Method used

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  • A compressed steam capillary drive seawater desalination device

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Embodiment Construction

[0025] A pressure-vapor capillary-driven seawater desalination device as shown in the figure is characterized in that it includes a seawater desalination evaporator 1, and the seawater desalination evaporator 1 sequentially includes a seawater cavity 2, a porous medium 3, a desalination steam channel 4, a heat conduction Plate 5 and condensation chamber 6, the upper and lower ends of the seawater chamber 2 are provided with a seawater inlet 7 and a seawater outlet 8, and the seawater inlet 7 and seawater outlet 8 communicate with the water inlet pipeline 9 and the water outlet pipeline 10 respectively. The lower end of the condensation chamber 6 is provided with a condensation water outlet 11;

[0026] The seawater desalination evaporator 1 is provided with a desalination steam outlet 12, and the desalination steam outlet 12 is connected to the desalination steam channel 13, the condensation chamber 6 and the decompression pipeline 14, and the decompression pipeline 14 is provi...

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Abstract

The invention discloses a pressurized steam type capillary driven seawater desalination device, comprising a seawater desalination evaporator which sequentially comprises a seawater cavity, a porous medium, a desalinated steam passage, a heat conduction plate and a condensation cavity, wherein a desalinated steam outlet is formed in the seawater desalination evaporator and is communicated with the desalinated steam passage, the condensation cavity and a pressure reducing pipeline; an expansion valve and the pressure reducing pipeline are communicated with a heat exchanger; the pressure reducing pipeline comprises a heat exchanging pipeline; a heat working medium is filled into the heat exchanging pipeline; a hydraulic turbine is arranged on the heat exchanging pipeline; an outlet of the heat exchanger is connected with a pressure raising pipeline; and a compressor is arranged on the pressure raising pipeline and is connected with the hydraulic turbine by virtue of a connecting rod shaft. The pressurized steam type capillary driven seawater desalination device is characterized in that a condenser in the conventional desalination technology is abandoned to avoid the maximum heat loss-condensation heat loss in seawater desalination; and on the other hand, the desalination device disclosed by the invention makes use of capillary force to drive seawater for liquid refilling and does not need pumping work, and particularly, the used porous medium is a low-heat-conductivity material, so that the sensible heat loss brought away by discharge of concentrated brine is greatly reduced.

Description

technical field [0001] The invention belongs to seawater desalination technology, and in particular relates to a device for desalination of seawater by steam-pressed capillary drive with high efficiency utilizing the thermal energy and kinetic energy of waste heat working fluid in an enterprise. Background technique [0002] The method of turning seawater into freshwater is called seawater desalination, and its essence is to separate the salt and water in seawater. The minimum work of brine separation is the lower line of energy consumption for seawater desalination. Only when the separation project is completely reversible, the work consumed by separation is the minimum work. Due to the inevitable irreversibility of the actual process, the energy required for the desalination process is several times, even thousands of times, the minimum work. In order to make the desalination process more economical, try to keep the energy consumption as close as possible to the minimum w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/04
CPCC02F1/04C02F2103/08Y02A20/124
Inventor 胡雪蛟章先涛
Owner RUNHAI ENERGY TECH INC JIANGSU
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