Novel comprehensive treatment device for coal mine water

A technology for comprehensive treatment and mine water, applied in mining wastewater treatment, multi-stage water treatment, water treatment parameter control, etc. The effect of avoiding environmental risks and reducing the frequency of backwashing

Pending Publication Date: 2018-09-07
HENAN JINYUAN ENVIRONMENTAL PROTECTION TECHCO
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Problems solved by technology

Adding a large amount of chemical agents to the existing process is likely to cause chemical pollution to the water body and sediments, and it takes up a large area, high operating costs, unstable water quality, and difficult operation. At the same time, light ceramsite biological The aeration filter needs to add a large amount of ceramsite, and it is easy to harden and block

Method used

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  • Novel comprehensive treatment device for coal mine water
  • Novel comprehensive treatment device for coal mine water
  • Novel comprehensive treatment device for coal mine water

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Embodiment Construction

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] The invention provides a novel comprehensive treatment device for coal mine water, such as figure 1 As shown, the comprehensive treatment device includes a raw water tank for storing mine raw water, and the upper layer liquid of the raw water tank is input into the coal particle biological aeration gas mixed circulation tank, and the coal particle biological aeration gas mixed circulation tank passes the air-mixed coal slime and the control coal slime The concentration uses coal particles as the carrier of aerobic microorganisms to realize the removal of COD and BOD in the mine water system and settle them. The gas-mixed liquid enters the ceramic membrane purification system for purification, and the concentrated water effluent purified by the ceramic membrane purification system goes to the The coal particle biological aeratio...

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Abstract

The invention provides a novel comprehensive treatment device for coal mine water. The device comprises a coal particle biological aeration system, a ceramic membrane purification system, coal slurrygas mixing and dredging systems and a slurry pressing system; after raw mine water enters the coal slurry aeration system for treatment and sedimentation, supernatant liquid enters the ceramic membrane purification system for purification, concentrated water purified by the ceramic membrane purification system is discharged and enters the coal particle biological aeration system again, then clearwater purified by the ceramic membrane purification system is discharged and enters a clear water pool; coal slurry treated by the coal particle aeration system is settled and mixed with gas in the gas mixing and dredging system of an aeration pool and then enters the slurry pressing system. The device is simple in process and machinery, convenient to maintain, safe and practical, and the use of coagulating agents and the environmental risk brought by chemical agents are avoided.

Description

technical field [0001] The invention relates to a novel coal mine well water comprehensive treatment device. Background technique [0002] According to the requirements of the state and the environmental protection department, in order to protect the environment and control pollution, it is very necessary for national policies, local economic development, and the protection of the ecological balance of river water bodies. Mine water mainly contains SS, COD, BOD and other pollutants. If the wastewater is not treated, it will cause serious pollution to the surrounding environment. The existing mine water treatment process mainly adopts the way of coagulation and sedimentation to treat mine water. Adding a large amount of chemical agents to the existing process is likely to cause chemical pollution to the water body and sediments, and it takes up a large area, high operating costs, unstable water quality, and difficult operation. At the same time, light ceramsite biological T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F11/12C02F101/16C02F103/10
CPCC02F9/00C02F1/44C02F3/02C02F11/121C02F11/122C02F2001/007C02F2101/16C02F2103/10C02F2209/005C02F2301/08
Inventor 牛自力潘钰坤耿文涛牛正坤郑红红
Owner HENAN JINYUAN ENVIRONMENTAL PROTECTION TECHCO
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