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High-salinity sewage natural cooling crystallizer

A technology of frozen crystallizer and high-salt sewage, which is applied in the direction of frozen water/sewage treatment, etc., to achieve the effects of low energy consumption and cost, compact structure and high desalination rate

Inactive Publication Date: 2016-11-09
天津娇强科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of wastewater generally accounts for 15-20% of the sewage treatment volume, and needs to be disposed and treated in a centralized manner. The current method is to build artificial reservoirs for collection, and no satisfactory better method has been adopted

Method used

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  • High-salinity sewage natural cooling crystallizer
  • High-salinity sewage natural cooling crystallizer
  • High-salinity sewage natural cooling crystallizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] like figure 1 , 2 , the crystallizer shown in 3, wherein 1 is the crystallizer, 2 is ice crystal, 3 is high-salt sewage or concentrated brine, 4 is cold air, 5 is the exhaust pipe, 6 is the exhaust hole, and 7 is the inlet of the exhaust pipe breath. When in use, the air inlet of the coil is connected with the air pump, and the air injected by the air pump is cold air under natural climate. The crystallizer can be in the shape of a barrel or a cuboid trough. The form of the row pipe 5 can be made into a disk or a plurality of parallel pipes according to the form of the crystallizer, and its purpose is to make the high-salt sewage or concentrated brine in the crystallizer evenly contact with the cold air discharged from the row pipe.

[0016] Peristaltic stirring is to use the bubbles formed by cold air in the liquid. During the process of rising at a moderate speed, it takes away the heat in the water or the solidification heat during crystallization. At the same tim...

Embodiment 2

[0019] like image 3 , 4 , the crystallizer adopts a barrel shape, and the peristaltic stirring form is driven by a motor and a reducer to stir the high-salt sewage or concentrated brine 3 that needs to be treated in the crystallizer 1, and the rotation speed of the frame stirrer is controlled at About 3 revolutions per minute. According to the change of the weather, the rotation speed of the agitator is adjusted in the range of 1-20r / min. The purpose is to make the high-salt sewage or concentrated brine in the crystallizer evenly dissipate heat. An elastic material 9 is installed on the edge of the frame stirrer, so that the elastic material contacts the inner wall of the crystallizer, which can effectively prevent ice from forming on the surface of the inner barrel of the crystallizer during the crystallization process, and affect the heat transfer efficiency of the heat transfer interface. The low speed rotation of the frame stirrer serves the same purpose as peristaltic ...

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Abstract

The invention relates to a sewage treatment device, in particular to a high-salinity sewage natural cooling crystallizer. The high-salinity sewage natural cooling crystallizer is characterized in that a device which can enable liquid inside the crystallizer to squirm is installed inside the crystallizer, and a liquid level detection device is installed at the upper portion of a cylindrical wall of the crystallizer. According to the technical scheme, the advantages of natural energy resources are utilized, the device is compact and simple, the equipment investment cost is small, the desalting rate is high, and the sewage government energy consumption and cost are low; the high-salinity sewage natural cooling crystallizer is an energy-saving type fresh water production and sewage resource utilization ideal device.

Description

Technical field [0001] The invention relates to a sewage treatment device, in particular to a natural freezing crystallizer for high-salt sewage. Background technique [0002] The increasing scarcity of water resources has seriously restricted the development of the economy. How to effectively use the high-salt sewage generated in the process of industrial production and desalinate seawater has become one of the hotspots of people's research at this stage. At present, the main treatment methods for high-salt sewage and seawater desalination produced in the industrial production process include distillation, reverse osmosis membrane, freezing, solvent extraction and ion exchange. Distillation method, reverse osmosis membrane method, solvent extraction method and ion exchange method have the advantages of simple and reliable operation and stable water quality, but have the disadvantages of low efficiency, usually 50-75%, and high energy consumption. my country's coal chemical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/22
CPCC02F1/22
Inventor 贾梦达
Owner 天津娇强科技有限公司
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