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Integrated dynamic balance treating method for oily sewage and apparatus thereof

A technology of dynamic balance and sewage treatment, applied in grease/oily substance/float removal devices, separation methods, liquid separation, etc. The effect of simple operation and reduced processing cost

Inactive Publication Date: 2005-12-21
XI AN JIAOTONG UNIV
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Problems solved by technology

Due to various types of oilfield sewage, stratum differences, and different drilling techniques, the water quality of oilfield sewage varies greatly from place to place, and at the same time, the water quality changes greatly, which brings difficulties to the treatment of oilfield sewage

Method used

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  • Integrated dynamic balance treating method for oily sewage and apparatus thereof

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Embodiment Construction

[0017] According to the method of the present invention, the device for integrated dynamic balance treatment of oily sewage includes nozzle type air flotation water treatment equipment 1, modified fiber ball water treatment equipment 2 and ultrafiltration membrane water treatment equipment 3; The equipment is connected in series with the oily sewage pipeline through the pipeline. The nozzle type air flotation water treatment equipment 1 is used as the first stage oily sewage treatment, and the modified fiber ball water treatment 2 equipment is used as the second stage oily sewage treatment. Membrane water treatment equipment 3 is used as the third-level oily sewage treatment;

[0018] A flow meter 14 is installed at the inlet of the oily sewage, and a first online oil concentration detector 4 is installed on the pipeline before the nozzle type air flotation water treatment equipment 1 and after the flow meter 3 to detect the oil concentration of the oily sewage , A second online o...

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Abstract

The invention publicizes the integration dynamical equilibrium processing method and its equipment for the sewage which contained oil , this method connects the water-treating equipment of jet-style with flotation process, the modified textile fiber ball water-treating equipment as well as the ultra filter diaphragm water-treating equipment with the sewage pipeline contained oil through the pipeline which establishes and contacts in turn in the same place, between the above equipments was equipped with process-adjust valve. The said jet-style flotation water-treating equipment takes the first level oil-contained sewage treatment, the modified textile fiber ball water-treating equipment takes the second level sewage treatment, the ultra filter diaphragm water-treating equipment takes the third level sewage treatment. At the sewage import end establishes one flowmeter, on the pipeline supposes three on-line oil-containing concentration detector and dynamic control system which carries on-line control and adjustment to each treating process according to the set treatment standard, then choice the next level processing equipment, which makes the sewage treatment in optimization process.

Description

Technical field [0001] The invention belongs to a sewage treatment method, relates to sewage treatment in the technical field of petroleum production, and further relates to a method and a device for integrated dynamic balance treatment of oily sewage. Background technique [0002] Petroleum and chemical industries need to treat a large amount of oily sewage. So far, there is no single method that can meet and meet the oily sewage treatment requirements in the world. And most of them deal with a fixed amount of sewage and a fixed oil concentration. There is a lack of integrated dynamic processing methods and devices. For decades, with the rapid development of the petroleum industry, oil production, gas production, and drilling have brought about All kinds of sewage have brought great harm to the natural environment and human health. According to statistics in 1998, the amount of water produced in various oil fields across the country reached more than 1.4 mill...

Claims

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Application Information

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IPC IPC(8): C02F1/40
Inventor 周宗强刘海浪苏志锋石道涵黄远周芳德刘磊周思怡
Owner XI AN JIAOTONG UNIV
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