Fracturing flow-back fluid electric flocculation hardness removal integrated equipment

By combining chemical precipitation and electrocoagulation precipitation in the treatment of fracturing flowback fluid, the problem of low processing efficiency of existing equipment has been solved, and rapid precipitation and efficient removal of impurities from fracturing flowback fluid have been achieved.

CN223547797UActive Publication Date: 2025-11-14GANSU LONGRUN TIANZE ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD +1
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Patent Information

Application Number
CN202423017422.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-14
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Existing electrocoagulation integrated equipment is inefficient in treating fracturing flowback fluid, and it is difficult to quickly remove pollutants such as suspended solids, turbidity, and chemical oxygen demand from the fracturing flowback fluid.

Method used

The method of chemical precipitation combined with electrocoagulation precipitation is adopted. Sodium carbonate, a hardening agent, is added to the sedimentation tank and stirred by a stirring mechanism to form flocculent precipitate. At the same time, electrocoagulation equipment is used to accelerate the sedimentation process of the precipitate.

Benefits of technology

It improves the treatment rate and impurity removal efficiency of fracturing flowback fluid, and can quickly precipitate impurities in fracturing flowback fluid, including calcium and magnesium ions and other impurities.

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Abstract

The utility model relates to the technical field of fracturing flow-back fluid treatment, and discloses fracturing flow-back fluid electric flocculation hardness removal integrated equipment which comprises a sedimentation tank, electric flocculation equipment, a discharging pipe, a valve and a discharging port, the electric flocculation equipment is installed in the middle of the top of the sedimentation tank, one end of the discharging pipe communicates with the bottom of the sedimentation tank, the valve is installed at the other end of the discharging pipe, and the discharging port is communicated with the discharging pipe. A dosing mechanism is arranged at the top of the sedimentation tank, and a stirring mechanism is arranged in the sedimentation tank. According to the electric flocculation hardness removal integrated equipment for the fracturing flow-back fluid, a hardness removal agent (sodium carbonate) is added into the sedimentation tank and stirred with the fracturing flow-back fluid through the stirring mechanism to form flocculent sediment, sediment precipitation of the fracturing flow-back fluid in the sedimentation tank is accelerated through the electric flocculation equipment, and agent adding precipitation is combined with electric flocculation precipitation; the two precipitation technologies enable the precipitation speed of impurities in the fracturing flow-back fluid to be higher and the efficiency to be higher.
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