Seawater desalination, resource comprehensive utilization and zero discharge processing system

A treatment system and zero-discharge technology, applied in seawater treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., can solve the problems of restricting economic development, high cost pressure, and large energy consumption, and achieve The effect of resource recycling comprehensive utilization, energy saving and economic value improvement

Inactive Publication Date: 2013-08-21
金逹行有限公司
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Problems solved by technology

The recovery rate is low and energy consumption is high, resu

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  • Seawater desalination, resource comprehensive utilization and zero discharge processing system

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings.

[0029] The characteristic of seawater is inexhaustible, containing fresh water and salt, potassium, bromine, magnesium and other elements. Use reverse osmosis technology to desalinate seawater to produce fresh water, and use steam as heat source to evaporate to produce deionized water and salt, calcium sulfate, potassium chloride, bromine, magnesium sulfate, magnesium chloride and other chemical products to form seawater desalination—marine chemical industry Circular economy chain circle.

[0030] Such as figure 1 As shown, a kind of seawater desalination, resource comprehensive utilization and zero discharge treatment system of the present invention has ultrafiltration system namely UF system 1, SWRO system 2, deionized water treatment system namely UPW system 10, a kind of can prevent fouling Mechanical compression system 5 and salt making and salt chemical industr...

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Abstract

The invention discloses a seawater desalination, resource comprehensive utilization and zero discharge processing system. The system comprises an ultrafiltration (UF) system, a seawater reverse osmosis (SWRO) system, a deionized water processing system, namely an UPW system, a mechanical compression system capable of preventing scaling and a salt manufacturing and salt chemical engineering system, wherein the UF system is used for generating pure seawater; the SWRO system is used for generating desalted water and concentrated seawater; the concentrated seawater can be produced into calcium sulfate, sodium chloride, potassium chloride, magnesium sulfate, bromine, magnesium chloride and steam condensed water by virtue of the mechanical compression system and the salt manufacturing and salt chemical engineering system; and the steam condensed water and a part of desalted water flow into the UPW system to generate deionized water. According to the processing system, the relevant projects of seawater desalination, energy source utilization, industrial salt manufacturing and salt chemical engineering are organically combined, so that reasonable allocation and utilization of resources are realized, and the aims of energy conservation, emission reduction, circular economy and zero discharge are fulfilled.

Description

technical field [0001] The invention relates to comprehensive utilization of seawater, in particular to a treatment system for desalination of seawater, comprehensive utilization of resources and zero discharge. Background technique [0002] The world is facing water resource problems, the security of fresh water supply is facing severe challenges, water resources are becoming increasingly scarce, and the water environment is deteriorating. It is of great strategic significance for my country to accelerate the comprehensive utilization of seawater and resources, reduce operating costs, and develop high-tech and industrialization of seawater utilization. [0003] Seawater desalination methods mainly include distillation, electrodialysis and reverse osmosis, and the recovery rate is generally 40-45%. The low recovery rate and high energy consumption have resulted in high cost pressure and limited economic development. [0004] The current SWRO concentrated seawater is mainly...

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Application Information

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IPC IPC(8): C02F9/10C01F11/46C01F5/40C01F5/30C01D3/06C01B7/09C02F103/08
CPCY02A20/131
Inventor 韦相亮马崇维余丽雅
Owner 金逹行有限公司
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