Cyclone gas flotation separator

A technology of cyclone air flotation and separator, which is applied in the direction of liquid separation, separation method, flotation water/sewage treatment, etc., which can solve the problem of inability to meet the requirements of oily sewage treatment, low fluctuation resistance of hydrocyclone, increased investment and application Cost and other issues, to achieve high oil removal efficiency, strengthen the interaction between air bubbles and oil droplets, and high space utilization

Inactive Publication Date: 2013-05-29
HUNAN ZHONGKE FUBANG TECH
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Problems solved by technology

[0003] Traditional air flotation separation technology, the residence time is basically between 15 minutes and 30 minutes. Due to the long residence time, the equipment is large in size and occupies a large area, which limits its application range, especially for compact equipment. More stringent requirements for testing sites (such as FPSO, adopting platforms, etc.)
Secondly, the traditional air flotation separation efficiency is generally about 80%, which is increasingly unable to meet the requirements of high oil removal efficiency.
[0004] The hydrocyclone is separated by the ...

Method used

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the specific implementation manner of this patent is described in further detail.

[0023] Such as figure 1 As mentioned above, it is mainly composed of a tank body 1, a sewage inlet pipe 2, an inner cylinder 3, a partition 4, a scum outlet 6, a treated water outlet 7, a sewage outlet 5, a gas-liquid mixed sewage inlet pipe 111, a mixer 112, and the like. The tank body 1 is divided into an inner cylinder area 8 and an outer cylinder area 9 by an inner cylinder 3 . The inner cylinder 3 is arranged coaxially with the tank body 1 , and the inner cylinder 3 is composed of a middle cylinder section 31 , an upper inverted horn section 32 and a lower cone section 33 .

[0024] Such as figure 2 As mentioned above, as a method of the present invention, an annular oil collection groove 11 is provided on the inner side of the tank close to the opening of the upper end of the inner cylinder, so that the separation occurs gas from...

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Abstract

The invention relates to a cyclone gas flotation separator which comprises a sealed jar body, wherein a scum outlet is formed at the upper part of the jar body; a treating water outlet is formed at the lower part of the jar body; an inner barrel is mounted in the jar body; an opening is formed at the upper end of the inner barrel; at least one water inlet is formed at the lower side of the inner barrel and is connected with a sewage inlet pipe through a pipeline; an annular baffle plate is mounted at the upper part of a water outlet at the lower part of the inner barrel; and a gap is formed between the baffle plate and the inner wall of the jar body. The cyclone gas flotation separator has the advantages that the structure is compact; the equipment volume and the occupied area are reduced; and the oil removal effect and suspended particulate matter removal effect are good. Therefore, the cyclone gas flotation separator is suitable for various application fields such as dirty oil and water separation, suspended matter separation and the like, and especially suitable for the treatment of the oil-containing sewage in the petrochemical industry.

Description

technical field [0001] The invention relates to a cyclone air flotation separator. Background technique [0002] Petroleum and petrochemical industries will produce a large amount of oily sewage in the production process of oil extraction, treatment, crude oil refining, etc. The commonly used oil-water separation methods mainly include: gravity sedimentation separation, air flotation, hydrocyclone separation, filtration separation and other methods. These methods have their own advantages and disadvantages and scope of application. The air flotation separation technology has been widely used in the treatment of petroleum and chemical oily sewage due to its mature technology, wide application scope, low investment, and low operation and maintenance costs. [0003] Traditional air flotation separation technology, the residence time is basically between 15 minutes and 30 minutes. Due to the long residence time, the equipment is large in size and occupies a large area, which lim...

Claims

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Application Information

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IPC IPC(8): C02F1/38C02F1/24C02F1/40
Inventor 陈小珍张旭辉陈昌军
Owner HUNAN ZHONGKE FUBANG TECH
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