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High-concentration saline wastewater energy-saving crystallization device

A high-concentration salt-containing, crystallization device technology, applied in water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of unguaranteed product quality, low labor productivity, influence Product quality and other issues, to achieve the effect of improving labor productivity, environmental protection, and fewer operators

Active Publication Date: 2017-09-01
HAIZHOU E P GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the intermittent crystallization process in cooling crystallization accounts for more than 95% of all domestic industries. The labor productivity is low, mainly due to manual operation, the product quality cannot be guaranteed, and the comprehensive energy consumption is high. The supporting refrigeration system and brine low-temperature water system account for The ground area is large, the power consumption is large, and the corrosion is high. Some of them adopt the freeze crystallization process, and the pipe plugging and scarring are prominent. They need to be cleaned frequently, and the labor intensity is high. Flour), dehydration is difficult, agglomeration seriously affects the quality of the product

Method used

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  • High-concentration saline wastewater energy-saving crystallization device
  • High-concentration saline wastewater energy-saving crystallization device
  • High-concentration saline wastewater energy-saving crystallization device

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings.

[0016] Such as figure 1 , figure 2 , image 3 , Figure 4As shown, the present invention is an energy-saving crystallization device for high-concentration saline wastewater, including a raw material storage tank 1, a raw material pump 2, a self-evaporator 5, a No. 1 vacuum crystallizer 10, a No. 2 vacuum crystallizer 18, and a No. 3 vacuum crystallizer 27 , a hydrocyclone 39, a slurry bucket 40, and a centrifuge 42, characterized in that: the raw material storage tank 1 is sequentially connected to the raw material pump 2, the self-evaporator 5, the No. 1 vacuum crystallizer 10, the No. 2 vacuum crystallizer 18, No. 3 vacuum crystallizer 27, hydrocyclone 39, slurry bucket 40, centrifuge 42, the top of the self-evaporator 5 is connected to No. 1 surface cooler 6 through a pipeline, and No. 1 surface cooler 6 is connected to a water ring vacuum pump through a pipelin...

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Abstract

The invention relates to an energy-saving crystallization device for high-concentration saline wastewater, which belongs to the technical field of environmental protection equipment. It mainly includes raw material storage tank, raw material pump, self-evaporator, No. 1 vacuum crystallizer, No. 2 vacuum crystallizer, No. 3 vacuum crystallizer, hydrocyclone, slurry tank, centrifuge, characterized in that: the raw material The storage tank is sequentially connected to the raw material pump, self-evaporator, No. 1 vacuum crystallizer, No. 2 vacuum crystallizer, No. 3 vacuum crystallizer, hydrocyclone, slurry bucket and centrifuge. The top of the self-evaporator is connected to a The No. 1 surface cooler and the No. 1 surface cooler are connected to the water ring vacuum pump through the pipeline, and the water ring vacuum pump is connected to the No. 1 steam-water separator through the pipeline, and the slurry outlet of the self-evaporator is connected to the No. 1 vacuum crystallizer slurry inlet through the pipeline. Compared with intermittent crystallization, the comprehensive energy consumption of the present invention is 30% of that of intermittent crystallization, and the grain size of the crystallization is uniform, the equipment structure is simple, no fouling, no scarring, long-term continuous production and the like.

Description

technical field [0001] The invention relates to an evaporation crystallization device, in particular to an energy-saving crystallization device for high-concentration saline wastewater, and belongs to the technical field of environmental protection equipment. Background technique [0002] At present, the intermittent crystallization process in cooling crystallization accounts for more than 95% of all domestic industries. The labor productivity is low, mainly due to manual operation, the product quality cannot be guaranteed, and the comprehensive energy consumption is high. The supporting refrigeration system and brine low-temperature water system account for The ground area is large, the power consumption is large, and the corrosion is high. Some of them adopt the freeze crystallization process, and the pipe plugging and scarring are prominent. They need to be cleaned frequently, and the labor intensity is high. flour), dehydration is difficult, and caking has seriously affe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/10
Inventor 黄生根
Owner HAIZHOU E P GRP CO LTD
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