A membrane distillation seawater desalination device

A technology of membrane distillation and seawater, which is applied in seawater treatment, general water supply conservation, membrane technology, etc., can solve the problems of large device structure, high material cost, and low energy utilization efficiency of distillation, and achieve uniform heat distribution, uniform illumination, The effect of improving the self-cleaning effect

Active Publication Date: 2019-10-18
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Commonly used seawater desalination methods are distillation and reverse osmosis. However, the energy utilization efficiency of distillation is low and the device structure is too large. The reverse osmosis membrane of reverse osmosis needs to be replaced frequently, and the cost of materials is high. Both of them have certain limitations.

Method used

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  • A membrane distillation seawater desalination device
  • A membrane distillation seawater desalination device
  • A membrane distillation seawater desalination device

Examples

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Embodiment Construction

[0019] figure 1 A system structure diagram of an embodiment of a membrane distillation seawater desalination device provided by the present invention, including a hot-side heating device 1, a hot-side water tank 2, a membrane distillation reactor 3, a cold-side water tank 4, and a cold-side cooling The device 5 and the fresh water tank are also connected to the membrane distillation reactor 3 through pipelines. The height of the hot side water tank 2 and the cold side water tank 4 is higher than the top of the membrane distillation reactor 3 .

[0020] refer to figure 1 , figure 2 , image 3 , the hot-side heating device 1 is immersed in the high-temperature coolant pool 9 of the ship, is made of aluminum, and specifically includes a heating substrate 101 and a heat dissipation fin 103, and the heat dissipation fin 103 is uniformly and vertically arranged on both sides of the heating substrate 101, and is arranged inside the heating substrate 101. There is a water flow ch...

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Abstract

The invention discloses a membrane distillation seawater desalination device. The membrane distillation seawater desalination device comprises a heat side heating device, a heat side water tank, a membrane distillation reactor, a cold side water tank, a cold side cooling device and a fresh water tank which are sequentially connected through a pipeline, wherein the fresh water tank is also connected with the membrane distillation reactor through the pipeline; the membrane distillation reactor comprises a transparent barrel-shaped shell, a central pipe, a bearing, a pulp board, a water collecting pipe, a membrane distillation module and a water distributing pipe, the top end of the transparent barrel-shaped shell is connected with the heat side water tank through a seawater inlet pipeline, the bottom end is connected with a seawater outlet pipeline, and the central pipe, a bearing, the pulp board, the water collecting pipe, the membrane distillation module and the water distributing pipeare all arranged in the transparent barrel-shaped shell. The membrane distillation seawater desalination device disclosed by the invention has the beneficial effects that the heat in the device is uniformly distributed, the energy utilization efficiency is high, the effluent quality is good, natural light can be utilized for photo-catalysis, and the membrane fouling phenomenon is effectively reduced.

Description

technical field [0001] The invention relates to a seawater desalination device, in particular to a membrane distillation seawater desalination device. Background technique [0002] In the course of navigation, fresh water is an indispensable and important resource. Commonly used seawater desalination methods are distillation and reverse osmosis. However, the energy utilization efficiency of distillation is low and the device structure is too large. The reverse osmosis membrane of reverse osmosis needs to be replaced frequently, and the cost of materials is high. Both of them have certain limitations. . Contents of the invention [0003] Purpose of the invention: In view of the problems existing in the prior art, the present invention proposes a membrane distillation seawater desalination device, which uses membrane distillation technology for seawater desalination. The device has uniform heat distribution in the device, high energy utilization efficiency, and good water q...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/44C02F1/04B01D61/36B01D65/02C02F103/08
CPCY02A20/124Y02A20/131
Inventor 朱亮姜龙杰李玉坤黄慧慧陈琳
Owner HOHAI UNIV
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