Strong brine evaporation and crystallization system

A technology for evaporative crystallization and concentrated brine, which is used in heating water/sewage treatment, mechanical oscillation water/sewage treatment, etc. It can solve the problems of large dosage of antiscalants, scaling on the membrane surface, and poor economy, so as to improve evaporation. capacity, improve efficiency and reduce energy consumption

Active Publication Date: 2014-11-26
BEIJING WANBANGDA ENVIRONMENTAL PROTECTION TECH
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Problems solved by technology

Membrane technology is generally used to concentrate salt. The most likely problem in the concentration process is fouling on the membrane surface at high salt concentrations.
The use of traditional scaling control methods, such as adding scale inhibitors, is contrary to the purpose of salt concentration, and the dosage of scale inhibitors is too large at high salt concentrations, resulting in poor economic efficiency

Method used

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  • Strong brine evaporation and crystallization system

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Embodiment Construction

[0020] Now describe concentrated brine evaporation crystallization system of the present invention with reference to accompanying drawing. It should be noted that the concentrated brine involved in the present invention is a concentrated brine with a conductivity > 5000 μs / cm and a TDS (total dissolved solids) > 4000 mg / l.

[0021] Such as figure 1 Shown is a schematic structural view of the concentrated brine evaporation and crystallization system of the present invention, which includes an evaporation chamber 1 , a condensation chamber 4 and a concentrated brine tank 7 . Wherein, the evaporation chamber 1 has a first inlet 2 and a first outlet 3, and the condensation chamber 4 has a second inlet 5 and a second outlet 6, and the first inlet 2 of the evaporation chamber 1 communicates with the second outlet 6 of the condensation chamber 4 ; And the first outlet 3 of the evaporation chamber 1 communicates with the second inlet 5 of the condensation chamber 4, thereby construct...

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Abstract

The invention provides a strong brine evaporation and crystallization system including an evaporation chamber (1) having a first inlet (2) and a first outlet (3), a condensation chamber (4) having a second inlet (5) and a second outlet (6), and a strong brine tank (7) communicated with the evaporation chamber (1) through a pump (8), wherein the first inlet (2) is communicated with the second outlet (6), the first outlet (3) is communicated with the second inlet (5), the first outlet (3) is provided with a fan (9) for guiding water steam in the evaporation chamber (1) to flow to the condensation chamber (4), and the evaporation chamber (1) is provided with an ultrasonic atomizer (10) for atomizing strong brine in the evaporation chamber (1). The invention aims to provide the efficient and reliable strong brine evaporation and crystallization system which can effectively prevent generation of scaling during the treatment process.

Description

technical field [0001] The invention relates to a concentrated brine evaporation crystallization system. Background technique [0002] At present, the research on the mechanism of ultrasonic atomization is still in its infancy, but it has a completely different essence from other forms of atomization. At present, it is believed that there are two factors for ultrasonic atomization of liquid. One is that the violent turbulent pulsation of the high-frequency, high-amplitude airflow pulls the liquid film into liquid filaments, breaks into liquid droplets, and further atomizes into fine particles under the action of aerodynamic force. fog. Another factor that plays a role in the ultrasonic atomization of liquid is that the high-frequency, high-amplitude airflow has linear kinetic energy. When it collides with a droplet, it can transfer energy to the droplet, so that it can be broken into pieces after obtaining a very large amount of energy. Finer droplets and therefore close t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04C02F1/36
Inventor 田世伟单明军寇丽红杨庚涵
Owner BEIJING WANBANGDA ENVIRONMENTAL PROTECTION TECH
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