Air floating device having oil-water separation function

A technology of oil-water separation and air flotation, which is applied in the direction of grease/oily substance/suspton removal devices, water pollutants, water/sewage treatment, etc. Cost increase and other issues, to enhance the effect of sewage treatment, improve the effect of coagulation performance

Pending Publication Date: 2019-09-17
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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Problems solved by technology

However, if there is no pretreatment in advance, the energy consumption of the oily wastewater treatment process will be greatly increased, the advanced treatment efficiency of water will be greatly reduced, and the treatment cost will increase significantly

Method used

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  • Air floating device having oil-water separation function

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Embodiment Construction

[0018] In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the described embodiments are some, not all, embodiments of the present invention. The specific embodiments described here are only used to explain the present invention, but not to limit the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.

[0019] Such as figure 1 As shown, the present invention provides an air flotation device with oil-water separation function, which includes an inner cylinder 11 and an outer cylinder 12 coaxially arranged, and the inner cylinder 11 and the outer cylinder 12 constitute an air flotation reaction zone 3 , also includes the ozone oxid...

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Abstract

The invention relates to the technical field of sewage advanced treatment, and provides an air floating device having an oil-water separation function. The device comprises an inner cylinder body and an outer cylinder body which are arranged coaxially, and the inner cylinder body and the outer cylinder body constitute an air floating reaction zone; and the device further comprises an ozone oxidation zone, raw water and ozone are introduced into the ozone oxidation zone, the upper end opening of the ozone oxidation zone is provided with an oil collecting groove, and the oil collecting groove communicates with an oil discharging pipe; and dissolved ozone water is introduced into the lower end opening of the inner cylinder body, and the ozone oxidation zone communicates with the lower end opening of the inner cylinder body. According to the device provided by the invention, the ozone oxidation zone is arranged, ozone is utilized for oil-water separation, and ozone can also be utilized to improve cohesive properties of organic matter, so that wastewater after oil-water separation is conveniently subjected to a coagulation sedimentation reaction before being introduced into the inner cylinder body, and the sewage treatment effect is enhanced.

Description

technical field [0001] The invention belongs to the technical field of advanced sewage treatment, in particular to an air flotation device with the function of separating oil and water. Background technique [0002] Ozone air flotation integrated treatment process has a small footprint, high treatment efficiency, and realizes oxidation, coagulation, solid-liquid separation, disinfection and other processes in one system at the same time. It has a wider range of applications. Wherein the ozone air flotation process consists of the inner cylinder 11 and the outer cylinder 12 to form the air flotation reaction zone 3, the upper end of the inner cylinder 11 is lower than the upper end of the outer cylinder 12, the inside of the inner cylinder 11 constitutes the contact zone, and the outer cylinder The part of the inside of 12 that is higher than the inner cylinder 11 forms an ozone air flotation zone, the upper layer of the ozone air flotation zone is a scum zone, and a water p...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F101/30
CPCC02F9/00C02F1/24C02F1/40C02F1/5281C02F1/78C02F1/725C02F2101/30C02F2305/023
Inventor 金鑫金鹏康谢新月张少华
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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