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Oil sewage treatment system

A treatment system and technology for oily sewage, applied in water/sewage treatment, biological water/sewage treatment, flotation water/sewage treatment, etc., can solve problems such as the inability to achieve oil output, achieve low output of excess sludge, eliminate Good effect of sludge bulking and oil removal

Inactive Publication Date: 2017-12-15
樊忠芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Nowadays, there are many oil-water separation technologies, and the commonly used methods include gravity separation, air flotation, coarse granulation, filtration, adsorption, ultrasonic, and a single separation method often cannot achieve a good oil extraction effect.

Method used

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  • Oil sewage treatment system

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Embodiment Construction

[0015] The present invention will be further described below. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0016] Such as figure 1 As shown, the oily sewage treatment system of the present invention is provided with a mechanical grille at the entrance of the regulating tank 1, the mechanical grille is used to remove suspended matter such as plastic bags, cloth strips), and the regulating pond 1 is used to adjust water quality and water quantity. An oil slick collector is arranged in the pool 1 to collect the slick oil on the liquid surface. Lift the sewage in the adjustment tank 1 to the cyclone degreaser 2 through the lifting pump 13, so that the oil and water are naturally separated under the action of centrifugal force, and the separated oily substances are discharged to the oil collection tank 15, and the remaining sewage is discharged to t...

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Abstract

The invention discloses an oily sewage treatment system. A mechanical grill is arranged at the entrance of the regulating pool, and the sewage in the regulating pool is lifted to a cyclone degreaser through a lifting pump, so that oil and water are naturally separated under the action of centrifugal force. Then the sewage enters the air flotation device, and then enters the oil-water separator to filter the oil pollution above 10 microns, and then enters the precision filter through the activated carbon filter, filters the oil pollution above 5 microns, and then goes through the anoxic pool for anaerobic nitrification reaction, and then passes through the membrane The biological reaction tank is oxidized and decomposed to meet the discharge standard. The invention adopts two-stage filtration to treat sewage with high oil content, and then conducts conventional sewage treatment. The invention has high pollutant removal efficiency, strong nitrification ability, stable water quality, low residual sludge output, compact equipment and simple operation. .

Description

technical field [0001] The invention relates to an oily sewage treatment system, which belongs to the technical field of water treatment. Background technique [0002] At present, a large amount of oily sewage is produced in oil fields, power stations, shipping, vehicle cleaning, machinery manufacturing, food processing and other processes. As a common pollution, oil pollution is extremely harmful to environmental protection and ecological balance. Nowadays, there are many oil-water separation technologies, and the commonly used methods include gravity separation, air flotation, coarse granulation, filtration, adsorption, ultrasonic method, and a single separation method often cannot achieve a good oil extraction effect. In addition, after the oily sewage is deoiled, it needs to be treated conventionally. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide an oily sewage tr...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F101/30C02F101/32
CPCC02F9/00C02F1/001C02F1/24C02F1/281C02F1/38C02F1/40C02F3/1268C02F3/28C02F2101/30C02F2101/32C02F2201/007C02F2301/08
Inventor 樊忠芳
Owner 樊忠芳
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