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Oil-water separation device and processing method for processing oil-containing sewage

A technology of oil-water separation device and oil-water separation membrane, which is applied in the direction of grease/oily substance/floating matter removal device, semi-permeable membrane separation, multi-stage water treatment, etc. It can solve the problem of difficult separation of heavy oil and residual oil and easy blockage of separation membrane pores , small amount of sewage treatment, etc., to achieve the effect of speeding up the washing speed, reducing the rate of residual oil deposition, and prolonging the service life

Active Publication Date: 2015-04-01
SHENWU TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The present invention aims to overcome the defects of the existing oily sewage oil-water separation device that the separation membrane pores are easily blocked, the membrane service life is short, the sewage treatment capacity is small, the sewage with high oil concentration and the heavy oil and residual oil whose density is close to water are still difficult to separate , providing an oil-water separation device and treatment method for treating oily sewage

Method used

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  • Oil-water separation device and processing method for processing oil-containing sewage
  • Oil-water separation device and processing method for processing oil-containing sewage
  • Oil-water separation device and processing method for processing oil-containing sewage

Examples

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Embodiment 1

[0039] Such as figure 1 As shown, an oil-water separation device for treating oily sewage according to the present invention includes a plate-and-frame membrane module separator formed by staggered arrangement of separation plates and separators 5, wherein the odd-numbered plates are the separation plates, and the even-numbered plates are the separators 5. Form a plurality of separation units, adopt the vertical membrane module method, the separation plate and the partition plate 5 are placed upright, the upper part of the separator is connected to the liquid inlet channel 2, and the interior is separated by the separation plate and the partition plate 5 Divided into a separation chamber 8 and a filtrate chamber 9, the partition 5 is an I-shaped partition, the upper end of which is located in the separation chamber is provided with a round hole for liquid to enter, and the round hole communicates with the liquid inlet channel 2. The lower ends of the separation chamber 8 and t...

Embodiment 2

[0044] Such as figure 1 As shown, an oil-water separation device for treating oily sewage according to the present invention includes a plate-and-frame membrane module separator formed by staggered arrangement of separation plates and separators 5, wherein the odd-numbered plates are the separation plates, and the even-numbered plates are the separators 5. Form a plurality of separation units, adopt the vertical membrane module method, the separation plate and the partition plate 5 are placed upright, the upper part of the separator is connected to the liquid inlet channel 2, and the interior is separated by the separation plate and the partition plate 5 Divided into a separation chamber 8 and a filtrate chamber 9, the partition 5 is an I-shaped partition, the upper end of which is located in the separation chamber is provided with a round hole for liquid to enter, and the round hole communicates with the liquid inlet channel 2. The lower ends of the separation chamber 8 and t...

Embodiment 3

[0049] Such as figure 1 As shown, an oil-water separation device for treating oily sewage according to the present invention includes a plate-and-frame membrane module separator formed by staggered arrangement of separation plates and separators 5, and the plate-and-frame membrane module is separated by 1 square meter 10 layers of plates are superimposed, in which the odd numbered plates are separation plates, and the even numbered plates are separators 5, forming multiple separation units. The size of the separator is 1.5 meters × 1.5 meters × 8 meters. Both the plate and the partition 5 are placed upright, the upper part of the separator is connected with the liquid inlet channel 2, and the interior is divided into a separation chamber 8 and a filtrate chamber 9 by the separation plate and the partition 5, and the partition 5 is an I-shaped The upper end of the part located in the separation chamber is provided with a circular hole for liquid to enter, and the circular hole ...

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Abstract

The invention relates to the technical field of sewage treatment, and in particular relates to an oil-water separation device and a processing method for processing oil-containing sewage. The oil-water separation device comprises a plate frame type membrane component separator consisting of separation plates and partitioning plates in a staggered manner, wherein the separation plates and the partitioning plates are all arranged upright in an upright membrane component mode; the upper part of the separator is connected with a liquid inlet channel; the separator is internally divided into separation chambers and filtrate chambers by the separation plates and the partitioning plates; the partitioning plates are I-shaped partitioning plates; round holes through which a liquid is fed in are formed in the upper ends of the partitioning plates; liquid outlet switches are respectively mounted at the lower ends of the separation chambers and the filtrate chambers; the separation plates comprise oil-water separation membranes and porous support layers; the oil-water separation membranes are made of a hydrophilic oleophobic membrane material; transverse deflection baffles are mounted on one side of each partitioning plate. Due to optimization of the membrane components and the membrane material, the membrane pollution can be greatly retarded, so that the oil-water separation device is applicable to treatment on a great deal of sewage, high oil concentration sewage and heavy oil and residual oil of which the density is approximate to that of water.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to an oil-water separation device and a treatment method for treating oily sewage. Background technique [0002] Oily sewage mainly comes from industrial production and human life. Industrial production produces a large amount of oily sewage: such as sewage produced in the process of oil extraction, processing, refining and transportation, steel rolling water and cooling lubricant in machinery manufacturing, locomotive sewage in the transportation industry, sewage from railway oil washing tanks, and washing The common feature of wool scouring sewage from wool mills is complex composition. Domestic oily sewage mainly comes from canteens and restaurants, and the amount is relatively small compared with industrial oily sewage. [0003] For the treatment of oily sewage, the first consideration should be to recover the oil as much as possible for repeated or recycled use, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10B01D65/06
CPCB01D65/06C02F1/02C02F1/40C02F1/44C02F9/00C02F2301/08
Inventor 吴道洪王其成
Owner SHENWU TECH GRP CO LTD
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