Crystallization system

A crystallization system and crystallization technology, applied in the direction of solution crystallization, crystallization separation, general layout of crystallization equipment, etc., can solve the problems of evaporation crystallization system evaporation reduction, scaling, corrosion intensification, etc., to reduce the risk of pipeline blockage, The effect of extending the operation and discharge cycle and improving the effect of solid-liquid separation

Active Publication Date: 2019-01-11
BEIJING WANBANGDA ENVIRONMENTAL PROTECTION TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

These two reasons together lead to the decline of evaporation, scaling and corrosion in the evaporation crystallization system.

Method used

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  • Crystallization system

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Embodiment Construction

[0018] The present invention will be further described below with reference to the accompanying drawings.

[0019] figure 1 A crystallization system 10 including a mother liquor tank 12 and a thickener 14 is shown in accordance with one embodiment of the present invention. The mother liquor tank 12 and the thickener 14 are connected through the branch pipe 54 of the first overflow pipe, wherein the branch pipe 54 of the first overflow pipe is connected to the feed port of the mother liquor tank 12 and the overflow pipe port of the thickener 14 . The feeding port of the mother liquor tank 12 is located at the top of the mother liquor tank 12 , and the overflow nozzle of the thickener 14 is located on the side wall of the top of the thickener 14 . In other words, the thickener 14 conveys the supernatant liquid to the mother liquor tank through the branch pipe 54 of the first overflow pipe.

[0020] According to an embodiment of the present invention, the crystallization syste...

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Abstract

The invention provides a crystallization system (10), which comprises a mother liquor tank (12) and a thickener (14), and is characterized by also comprising a crystallization separator (16), whereinthe thickener (14) is connected with the feeding hole (20) of the crystallization separator (16) by a first overflow pipe (18), the discharge hole (22) of the crystallization separator (16) is connected with the thickener (14) by a crystallization separator discharge pipeline (24), and the crystallization separator (16) is connected with the mother liquor tank (12) by a second overflow pipe (26).The crystallization system disclosed by the invention aims at at least promoting the solid-liquid separation effect of an evaporative crystallization system.

Description

technical field [0001] The present invention relates to the field of crystallization, in particular, to a crystallization system. Background technique [0002] High-salt wastewater is produced in industrial production, domestic water, food processing, coal chemical plants, and oil and natural gas collection and processing. These wastewaters have the characteristics of complex composition, high concentration of organic matter and high salt content, so it is difficult to directly use the more economical biochemical methods to treat them, and it is difficult to obtain satisfactory results with traditional wastewater treatment technologies. Especially in zero-discharge projects, high-salt wastewater is generally treated by evaporation to recover organic particles and inorganic salts to avoid environmental pollution. [0003] During the crystallization and separation process of the evaporative crystallization system, the water is continuously evaporated and the salt solution is ...

Claims

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Application Information

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IPC IPC(8): B01D9/02C02F1/04
CPCB01D9/0059B01D2009/0086C02F1/04
Inventor 季泓西寇丽红李小军赵先奕
Owner BEIJING WANBANGDA ENVIRONMENTAL PROTECTION TECH
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