Membrane distillation seawater desalination device

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...

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.

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