Efficient oil-containing sewage electric flocculation purification device

A purification device and electrocoagulation technology, applied in water/sewage treatment, flotation water/sewage treatment, multi-stage water/sewage treatment, etc., can solve the problem of large sewage area, dead water area, and low polar water ratio, etc. problem, to achieve excellent purification effect, eliminate dead water area, and reduce overvoltage

Active Publication Date: 2018-07-20
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Traditional electrocoagulation devices are prone to passivation, require regular cleaning, and are difficult to expand; the sewage with

Method used

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  • Efficient oil-containing sewage electric flocculation purification device
  • Efficient oil-containing sewage electric flocculation purification device
  • Efficient oil-containing sewage electric flocculation purification device

Examples

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Example Embodiment

[0029] With reference to the drawings, an oily sewage electric flocculation high-efficiency purification device includes a water storage tank 1, an electric flocculation area 2 and a purification area 3. A water inlet 101 is provided on the upper side of the water storage tank 1, and a water inlet 101 is connected to the water inlet 101 A water outlet is provided at the lower part of the other side of the water storage tank 1, and the water outlet is connected to the electro-flocculation zone 2 through the first water outlet pipe 4.

[0030] A number of cylindrical multi-return electric flocculation devices 5 are arranged in the electro-flocculation zone 2. The cylindrical multi-return electric flocculation device 5 includes a plastic outer cylinder 501, which is provided at the center of one end of the plastic outer cylinder 501 The water inlet 502 is connected to the first water outlet pipe 4, and a water outlet 503 is provided on the side wall of the plastic outer cylinder 501....

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PUM

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Abstract

The invention discloses an efficient oil-containing sewage electric flocculation purification device which comprises a water storage tank, an electric flocculation area and a purification area, wherein a water flow inlet and a water flow outlet are formed in the water storage tank; the water flow outlet is connected with the electric flocculation area through a first water outlet tube; a pluralityof cylindrical multi-loop electric flocculation devices are arranged inside the electric flocculation area; water outlets of the cylindrical multi-loop electric flocculation devices are connected with the purification area through second water outlet tubes; a compulsive air floating area, an inclined plate sedimentation area and a foam capturing area are arranged inside the purification area; aninclined plate sedimentation device is arranged inside the inclined plate sedimentation area; the compulsive air floating area is positioned below the inclined plate sedimentation area; a pressurizingair floating device is arranged inside the compulsive air floating area; the foam capturing area is positioned above the inclined plate sedimentation area; a foam capturing device is arranged insidethe foam capturing area. The device is good in separation effect, high in integration degree and relatively simple and convenient in mounting management, and the overall height of the device can be lowered while an electric flocculation effect is ensured.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a high-efficiency purification device for electrocoagulation of oily sewage. Background technique [0002] At present, most oilfields in my country have entered the stage of tertiary oil recovery. Compared with conventional water flooding oil production wastewater, tertiary production water not only has high water temperature, high salinity, large bacterial content, residual chemical agents and other substances The addition of polymer makes it have problems such as high viscosity, serious emulsification, strong ability to carry suspended solids, large floating or sinking resistance of oil droplets and solid particles, and serious adsorption loss to chemical adsorbents. At present, the commonly used oily sewage purification technologies mainly include: physical method, chemical method and biological method, but the above methods have problems such as large energy consumption, hi...

Claims

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Application Information

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IPC IPC(8): C02F9/06
CPCC02F1/24C02F1/38C02F1/463C02F1/4672C02F1/4676C02F9/00C02F2001/007C02F2103/10C02F2301/08
Inventor 蒋文明陈义美刘杨邓展飞刘晓丽何毅
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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