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A Rotating Cage Mesh Electrocoagulation Reactor

A technology of electrocoagulation and rotating cage, which is applied in the fields of chemical instruments and methods, light water/sewage treatment, energy waste water treatment, etc., can solve the problems of anode passivation, high operating cost, anode consumption, etc., and achieve flocculation efficiency improvement, irradiation Uniform and sufficient, increase the effect of contact area and contact time

Inactive Publication Date: 2018-04-03
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a rotating cage net type electrocoagulation reactor, which has a simple structure and reliable operation, and overcomes the problems of anode consumption, anode passivation and high operating costs in the current electrocoagulation wastewater treatment equipment

Method used

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  • A Rotating Cage Mesh Electrocoagulation Reactor
  • A Rotating Cage Mesh Electrocoagulation Reactor
  • A Rotating Cage Mesh Electrocoagulation Reactor

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Embodiment Construction

[0024] In order to better understand the present invention, the present invention will be further described in detail with reference to the accompanying drawings.

[0025] Such as figure 1 As shown, the rotating cage net type electric flocculation reactor of the present invention includes an electric flocculation reaction tank 1, an inlet pipe 2, an outlet pipe 3, a floc discharge pipe 4, an inlet retaining wall 5, an ultraviolet lamp 7, and a rotating cage net type Packing electrode 9, variable frequency motor 6 and controller 10;

[0026] The electro-flocculation reaction tank 1 includes a circular funnel-shaped tank body with a diameter of 3m, a cylinder height of 2m, and a lower cone height of 1m; the top surface is composed of 6 steel frames with an angle of 60° each other (such as figure 2 ), each steel frame is provided with a rotating cage mesh filler electrode 9, the top of the electrode and the steel frame structure are riveted with bolts; the upper right part of the elec...

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Abstract

The invention discloses a rotating cage net type filler electroflocculation reactor, which comprises an electroflocculation reaction tank, a water inlet pipe, a water outlet pipe, a floc discharge pipe, a water inlet retaining wall, a rotating cage mesh type filler electrode, and activated carbon particle dosing Inverters, UV lamps, variable frequency motors and controllers. The iron-based filler or aluminum-based filler coated with nano-titanium dioxide photocatalyst undergoes a photoelectrochemical synergistic reaction under the irradiation of an ultraviolet lamp and an electric field, so that the difficult-to-decompose and difficult-to-remove organic matter in the wastewater is converted into a flocculated substance through a photocatalytic chemical reaction. pollutants and accumulate on the filler surface. For the wastewater treated by this reactor, the removal rate of chemical oxygen demand reaches 95.1%, the removal rate of chroma reaches 98.9%, the removal rate of suspended solids reaches 99.2%, and the removal rate of refractory organic matter reaches 98.9%. Harmful microorganisms, The removal rate of viruses and bacteria reaches 96.9%.

Description

Technical field [0001] The invention relates to a rotating cage net type filler electric flocculation reactor, which belongs to the field of water treatment in environmental protection. Background technique [0002] The reaction mechanism of electrocoagulation is to use metals such as aluminum and iron as the anode and cathode. Under the action of direct current, the anode dissolves to produce metal ions. After a series of hydrolysis, polymerization, and ferrous oxidation processes, it develops into various hydroxyl complexes. This kind of hydroxyl complex has a strong flocculation effect; the cathode can reduce the hydrogen ions in the wastewater to hydrogen, and the hydrogen has air flotation. These two effects can remove colloids and suspended substances in the wastewater. Electric flocculation can be widely used for pretreatment such as electroplating wastewater, landfill leachate, pharmaceutical factory wastewater, food wastewater and petrochemical wastewater. The existing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/463C02F1/32
CPCY02W10/37
Inventor 董黎明秦泽敏周恋彤郑心愿
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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