High-voltage electrostatic field type seawater desalination device and high-voltage electrostatic field type seawater desalination system

Abstract

The invention discloses a high-voltage electrostatic field type seawater desalination system, which comprises a high-voltage control system, a high-voltage electrostatic field seawater desalination device, a heat exchanger, a heat circulation pump and a hot-water storage box, wherein the bottom portion of a water condensation box is a condensation plate, low-temperature seawater enters the water condensation box, the condensed seawater and steam are subjected to first heat exchange through the condensation plate, the first heat exchange seawater enters the heat exchanger and is subjected to secondary heating, the hot seawater is conveyed to the high-position hot water storage box through a circulation water pump, uniform water distribution is performed from the high-position hot water storage box to a high-voltage electrostatic field type seawater desalination distillation device, the hot seawater is uniformly distributed into a porous water absorption plate through a perforated pipe,the seawater is subjected to phase change at the porous water absorption plate under the high-voltage electrostatic field, the steam is condensed on the condensation plate to form fresh water, the fresh water is collected by an intercepting plate, and the concentrated seawater flows from the bottom portion of the porous water absorption plate to a concentrated seawater collecting tank, and is finally discharged from a concentrated seawater outlet. According to the present invention, the water evaporation rate in the high-voltage electrostatic field is accelerated, such that the water production efficiency is improved, the energy is saved, and the effect is improved.

Description

technical field [0001] The invention is applied in the technical field of seawater desalination, that is, a new technology of seawater desalination which combines high-voltage technology and traditional distillation method. Background technique [0002] The two mainstream seawater desalination technologies, thermal method and membrane method, which are currently popular in the market, have their own defects. Among them, the single project investment of the thermal method is relatively high, the volume of the equipment is large, the cost of the device is high, the power consumption is large, and the energy consumption is large. The recovery rate is low, the water production efficiency is low, the degree of automation is low, and the heat transfer tube is severely corroded. The pressure of the high-pressure pump of the membrane method is high, the energy consumption is high, the requirements for the high-pressure pump and the membrane are high, and the degree of seawater pretr...

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of high energy consumption, high cost and low efficiency of traditional distillation, the present invention provides a high-voltage electrostatic field seawater desalination device and process

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