Novel seawater desalting device

Abstract

The invention relates to a novel seawater desalting device. Heat exchange panels are divided into a starting panel, an ending panel, a middle panel A and a middle panel B, wherein all the panels are same in structure; the starting panel and the ending panel are respectively located at the two ends; the middle panel A and the middle panel B are located in the middle and are alternately arrayed in pairs; all the panels are fixedly and tightly pressed by screw rods and nuts; and airtight spaces required by seawater desalting are formed between the panels. The novel seawater desalting device has the advantages that the clearances separated by the panels are successively used as areas for evaporation and condensation, so that the heat exchange efficiency is high, the panels are conveniently detached and cleaned, and the failure in normal use of the heat exchanger caused by scaling can be avoided; a hot water area is opposite to the evaporation area, so that the heat exchange can be more effectively realized; the device has the condensation area which has the capability of condensing fresh water, the fresh water flows out of the heat exchanger, and no other device is required; and a copper shell of a traditional panel type water maker can be omitted, so that the space is saved, and the cost is lowered.

Description

technical field [0001] The invention relates to the field of a heat exchanger used for medium distillation, in particular to a novel plate type seawater desalination device. Background technique [0002] Seawater desalination is an effective way to ensure the continuous and stable supply and replenishment of freshwater for ships and marine engineering. Distillation seawater desalination technology has been greatly developed due to its advantages of using the waste heat of the main engine of the ship as a heat source, no special treatment for seawater inflow, high-quality water produced, and easy maintenance. [0003] In the invention patent with the patent number 201510621244.6, a plate heat exchanger is mentioned, including a front end plate, a rear end plate, and a plate arranged between the front end plate and the rear end plate and arranged parallel to the front end plate, each plate There are sealing rings on both sides of the adjacent plate. After the same sealing rin...

AI Technical Summary

Problems solved by technology

The above-mentioned patent mentions a device that uses seawater evaporation to produce fresh water. It adopts a plate structure to improve the efficiency of seawater evaporation. However, the device does not include a condensation device, so fresh water cannot be directly produced, and the seawater areas on both sides are in contact with the steam The regions are not completely aligned, and the efficiency needs to be improved

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