Trigeneration system of fresh water, sea salt and heat energy based on deep concentration of sea water desalination strong brine

A concentrated salt water and deep technology, applied in the field of concentrated salt water treatment, to achieve the effect of low equipment cost, excellent fresh water quality and large fresh water output

Inactive Publication Date: 2015-04-22
JIMEI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This recuperation is not possible in conventional systems, but is made possible due to the properties of lithium bromide solution

Method used

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  • Trigeneration system of fresh water, sea salt and heat energy based on deep concentration of sea water desalination strong brine

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as figure 1 As shown, the embodiment of the present invention includes four subsystems: deep concentration subsystem 1 , salt production subsystem 2 , solution regeneration subsystem 3 , and condensation subsystem 4 .

[0027] The deep concentration subsystem 1 includes a first evaporator-absorber 11, a second evaporator-absorber 12 and a brine pump 13, which are used to concentrate the concentrated brine with a salt concentration of about 7% after seawater desalination into a concentration higher than 26%. saturated brine. The first evaporation-absorber 11 is composed of an evaporation chamber 111 , an absorption chamber 112 , a liquid baffle 113 , a heat pipe heat exchanger 114 , a spray pipe 115 , and a spray pipe 116 . Evaporation chamber 111 is a place where concentrated brine is vaporized, and absorption chamber 112 is a pla...

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Abstract

The invention discloses a trigeneration system of fresh water, sea salt and heat energy based on deep concentration of sea water desalination strong brine and relates to strong brine treatment. The invention provides the trigeneration system of fresh water, sea salt and heat energy based on deep concentration of sea water desalination strong brine, which is efficient, energy-saving, compact in structure and good in economical benefit. The system is provided with a deep concentration sub system, a salt manufacturing sub system, a solution regeneration sub system and a condensation sub system, wherein the deep concentration sub system is provided with at least one evaporation-absorber which is provided with an evaporation chamber, an absorption chamber, a liquid baffle plate, a heat tube exchanger, a strong brine spray tube and an evaporation-absorber lithium bromide solution spray tube; the solution regeneration sub system is provided with a generator, a solution heat exchanger and an air cooler; the condensation sub system is provided with a brine preheater and a condenser.

Description

technical field [0001] The invention relates to the treatment of concentrated brine, in particular to a freshwater sea-salt thermal energy trigeneration system based on seawater desalination and deep concentration of concentrated brine. Background technique [0002] As an effective way to solve the problem of fresh water shortage, the importance of seawater desalination technology has become increasingly prominent, and its development has become more and more rapid. At present, the total capacity of desalinated water in the world has exceeded 70 million tons per day. The freshwater recovery rate of existing seawater desalination technology is usually lower than 50%, which means that while seawater desalination produces a large amount of freshwater, it will discharge a larger amount of concentrated brine, whose concentration and temperature are higher than seawater, and contain chemicals and corrosion. Products, directly discharged into the sea will lead to marine pollution,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04C02F9/10C01D3/06F25B15/06F25B27/00C02F103/08
CPCY02A20/124Y02A30/27Y02B30/62Y02P20/10
Inventor 王永青何宏舟
Owner JIMEI UNIV
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