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Chemical wastewater treatment and recycling device

A chemical wastewater and wastewater treatment technology, applied in water/sewage treatment, multi-stage water/sewage treatment, heating water/sewage treatment, etc., can solve the problems of refractory degradation, high turbidity, high CODcr, etc., and achieve strong practicability, The effect of large promotion and application value

Pending Publication Date: 2021-06-25
河南绿水青山环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the coal chemical industry, there is a large amount of wastewater discharged, and it has the characteristics of high turbidity, high chroma, and high salinity. At the same time, there are refractory organic substances in the wastewater, so the CODcr in the wastewater is relatively high.

Method used

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  • Chemical wastewater treatment and recycling device
  • Chemical wastewater treatment and recycling device
  • Chemical wastewater treatment and recycling device

Examples

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Effect test

Embodiment Construction

[0043] The chemical wastewater treatment and recycling device provided in this embodiment, such as figure 1 As shown, it includes an evaporation kettle 1, a water separation unit and a wastewater treatment unit connected in sequence. The water separation unit includes a water separator 2, and a movable organic matter recovery device is provided in the water separator 2 for recycling the water separator. The organic phase in 2; the waste water treatment unit includes the electrocatalytic treatment device in the water separator 2 and the secondary treatment device outside the water separator 2; the outlet pipeline of the waste water treatment unit is connected in parallel with the first The water distribution pipe 24, the second water distribution pipe 32 of the water separation unit and the water inlet pipe of the secondary treatment device are respectively used to return the treated effluent to the evaporation kettle 1 for waste water salt crystallization and / or recrystallizati...

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Abstract

The invention relates to a chemical wastewater treatment and recycling device, which is characterized by comprising an evaporation kettle, a water distribution unit and a wastewater treatment unit which are sequentially connected, the water distribution unit comprises a water distributor, and a movable organic matter recycling device is arranged in the water distributor and used for recycling organic matter phases in the water distributor; the wastewater treatment unit comprises an electro-catalysis treatment device in the water segregator and a secondary treatment device outside the water segregator; a water outlet pipeline of the wastewater treatment unit is connected in parallel with a first water distribution pipe of the evaporation kettle, a second water distribution pipe of the water distribution unit and a water inlet pipe of the secondary treatment device, and is respectively used for recycling treated effluent for salt crystallization and / or recrystallization and purification treatment of wastewater in the evaporation kettle, washing of electro-catalysis filler and regeneration of wastewater treatment filler.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment, and in particular relates to a chemical wastewater treatment and reuse device. Background technique [0002] Chemical industry is an important basic industry in my country, which is related to the national economy and people's livelihood, including coal chemical industry, refining chemical industry, natural gas chemical industry, petrochemical industry, organic / inorganic chemical industry, fine chemical industry, etc. Enterprises in these chemical industries usually A large amount of waste water is produced, especially in the coal chemical industry. In the coal chemical industry, there is a large amount of discharged wastewater, and it has the characteristics of high turbidity, high color, and high salinity. At the same time, there are refractory organic substances in the wastewater, so the CODcr in the wastewater is relatively high. How to realize the coordinated operation of wastew...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10
CPCC02F9/00C02F1/461C02F1/04C02F2001/5218C02F1/00C02F1/441Y02A20/131
Inventor 侯亚平王杰王慧芳赵曙光邵建彬侯亚龙徐漫漫范晓磊朱海南张正权李雪清郭全杰韦云钊胡亮腾涛
Owner 河南绿水青山环保科技有限公司
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