Electric flocculation oily sewage treatment device with hydrogen escape and explosion prevention function

A treatment device and technology for oily sewage, applied in water/sewage treatment, water/sewage treatment equipment, water/sludge/sewage treatment, etc., which can solve the problems of large area of ​​sewage, easy passivation, explosion, etc.

Pending Publication Date: 2021-07-06
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Abstract
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Problems solved by technology

[0004] Traditional electroflocculation devices are prone to passivation, require regular cleaning, and are difficult to expand; the sewage with the same flow rate occupies a large area, there are dead water areas, low electrode-to-water ratio, and high energy consumption; at the same time, in the exi

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  • Electric flocculation oily sewage treatment device with hydrogen escape and explosion prevention function
  • Electric flocculation oily sewage treatment device with hydrogen escape and explosion prevention function
  • Electric flocculation oily sewage treatment device with hydrogen escape and explosion prevention function

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[0050] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0051] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0052] In the present invention, the orientation or positional relationship indicated by terms such as "upper", ...

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Abstract

The invention discloses an electric flocculation oily sewage treatment device with a hydrogen escape and explosion prevention function. The electric flocculation oily sewage treatment device comprises a treatment shell, and a water storage tank, an electric flocculation area and a water purification area are arranged in the treatment shell. A plurality of crossed polar plate electric flocculation devices are arranged in the electric flocculation area. Each crossed polar plate electric flocculation device comprises an outer shell, a water storage area and a reaction area are arranged in the outer shell, and a uniform distributor is arranged between the water storage area and the reaction area. A plurality of groups of electrode assemblies are arranged in each reaction area, each group of electrode assembly comprises two parallel electrode plates, and the electrode plates are parallel to the water inlet direction. The electrode plates in each group of electrode assembly are connected with a pulse power supply. A hydrogen escape and explosion prevention device capable of sucking hydrogen and reducing the hydrogen concentration is arranged at the upper part of an exhaust port above the water purification area. The hydrogen escape and explosion prevention device is arranged above the purification area, hydrogen and air are sucked through a double-inlet fan, the concentration of the hydrogen is reduced, an explosion-proof effect is achieved, and the safety degree of the device is high.

Description

technical field [0001] The invention belongs to the technical field of oily sewage treatment, and in particular relates to an electric flocculation oily sewage treatment device with a hydrogen escape explosion-proof function. Background technique [0002] Nowadays, most oil fields in China have entered the tertiary oil recovery stage, and the tertiary produced water has the characteristics of high temperature, high mineralization, many bacteria and many residual chemicals; at the same time, polymers need to be added to the well during the tertiary oil recovery process, such as commonly Polyacrylamide, therefore, will also cause problems such as high viscosity, strong emulsification, strong ability to agglomerate solid particles, large movement resistance of oil droplets and solid particles, and large consumption of chemical adsorbents in tertiary produced water. At present, the commonly used methods in oily sewage treatment technology include physical methods, chemical metho...

Claims

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Application Information

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IPC IPC(8): C02F1/463C02F101/30C02F103/10
CPCC02F1/463C02F2101/30C02F2103/10C02F2201/46105C02F2201/4612
Inventor 蒋文明李智慧刘杨张明
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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