Oil-field sewage treatment device by low-temperature plasma technology

A low-temperature plasma and technical treatment technology is applied in the field of low-temperature plasma technology to treat oilfield sewage process equipment to achieve the effects of improving adaptability, efficient sterilization and polymer degradation

Active Publication Date: 2007-09-26
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Abstract
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Problems solved by technology

In the low-temperature plasma treatment technology, there is no report on the successful treatm

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  • Oil-field sewage treatment device by low-temperature plasma technology

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Embodiment Construction

[0008] The present invention is provided by the following embodiments, which will be described below in conjunction with the accompanying drawings.

[0009] As shown in the figure: the process device provided by the present invention includes four parts: a dissolved gas system, a multifunctional reactor, a pulse power supply and a discharge electrode system. Its structure and connection relationship are as follows: Valve 2, dissolved air pump 3, and pressure-stabilizing tank 4 are composed, the inlet pipeline valve 1 and the water inlet pipeline valve 2 are respectively connected to the dissolved-air pump 3, and the outlet of the dissolved-air pump 3 is connected to the pressure-stabilizing tank 4; the multifunctional reactor 5 It consists of a shell 6, a distributor 7, a slag scraping system 8, a slag discharge port 9 and a water outlet 10. The bottom of the shell 6 is provided with a distributor 7, and the top is provided with a slag scraper system 8, a slag discharge port 9 ...

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Abstract

The invention discloses a disposing device of oil field waste water especially heavy crude waste water with cryogenic plasma technology, which comprises the following steps: compositing air feeder thread valve 1, inlet pipe thread valve 2, dissolved pump 3 and stabilized voltage pot 4 as dissolved system; compositing container 6, distributor 7, scum system 8, slag outlet 9 and water outlet 10 as multiple function reactor 5; setting discharged electrode system 11 in the reactor 5; connecting upper end of electrode with impulsing power source 12.This device possesses functions of air-float, highly effective sterilization and advanced oxidation, which can realize higher effective sterilization and polymerization and matter spice degradation.

Description

Technical field: [0001] The invention relates to a technology and a device for treating oil field sewage, especially heavy oil sewage. Background technique: [0002] In the process of oilfield development and oil well production, a large amount of oilfield sewage generated along with the extraction of crude oil and oil well operations needs to be treated. Oilfield sewage is a kind of mixed sewage, including oil production sewage, oil well operation waste liquid (waste water), etc. The water quality composition is very complex, including a large number of inorganic substances, organic substances and chemical agents. The conventional treatment process of oilfield sewage is: oil separation-coagulation sedimentation-flotation-filtration-reinjection; the discharged sewage needs to be biochemically treated on the basis of the reinjection water treatment process to meet the secondary discharge standard. Colloidal substances in oilfield sewage, such as additives in oil production a...

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Application Information

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IPC IPC(8): C02F1/46C02F1/24C02F1/72C02F103/10
Inventor 郭绍辉阎光绪李明辉孙绳昆陈春茂汤琦
Owner BC P INC CHINA NAT PETROLEUM CORP
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