Concentrated salt water zero discharge system and concentrated salt water zero discharge method based on atomization evaporation

A technology of atomization evaporation and concentrated brine, applied in chemical instruments and methods, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of low evaporation efficiency, great influence of natural condition changes, and land occupation of natural evaporation ponds Large area and other problems, to achieve the effect of increasing the specific surface area
CN106976924AActive Publication Date: 2017-07-25BEIJING GEOENVIRON ENG & TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING GEOENVIRON ENG & TECH
Publication Date
2017-07-25

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Abstract

The present invention relates to a concentrated salt water zero discharge system and a concentrated salt water zero discharge method based on atomization evaporation. The concentrated salt water zero discharge method comprises adjusting and temporary storage, atomizing concentration, and atomizing crystallization. The concentrated salt water zero discharge system comprises an adjustment pool and a crystallization pool, and further comprises an atomizing evaporation circulation concentration pool, a reflux pipe, an atomizing crystallization device, an adjustment pool water outlet control valve and an atomizing evaporation circulation concentration pool water outlet control valve. With the technical scheme of the present invention, concentrated salt water is atomized into small water drips with a diameter of 100-150 [mu]m by using mechanical equipment so as to increase the heat exchange specific surface area and increase the natural evaporation efficiency by 2-5 times; by combining the atomizing evaporation device and the reasonable system control, the requirement on the land occupation is reduced by 50-80% compared to the traditional evaporation pond concentrated salt water treatment technology; and through the method comprising adjusting stored concentrated salt water by the adjustment pool, atomizing concentration, and atomizing crystallization, by combining the system control and the meteorological monitoring, the evaporation concentration and crystallization of the concentrated salt water can be achieved, and the concentrated salt water treatment zero discharging can be achieved.
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Description

technical field

[0001] The invention relates to a zero-discharge treatment technology of concentrated brine by atomization evaporation, in particular to a zero-discharge system and method for concentrated brine based on atomization evaporation. Background technique

[0002] In the prior art, the evaporation pond is an economical and feasible water treatment facility, especially widely used in water treatment fields such as modern coal chemical industry, petrochemical industry, mining, etc., but the natural evaporation pond has a large land occupation area, The disadvantages such as low evaporation efficiency and great influence of changes in natural conditions such as weather and precipitation are limited in use. Contents of the invention

[0003] In view of this, the main purpose of the present invention is to provide a concentrated brine zero-discharge system and method based on atomization evaporation, using mechanical atomization evaporation, concentration, and crystal...

Claims

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