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Petroleum drilling sewage treatment system

A sewage treatment system and oil drilling technology, applied in the field of oil drilling, can solve the problems of substandard discharge and unsatisfactory sewage treatment effect, and achieve the effect of avoiding clogging of pipelines

Pending Publication Date: 2020-07-03
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a sewage treatment system for oil drilling, aiming to solve the problems of unsatisfactory sewage treatment effect and substandard discharge in the prior art

Method used

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  • Petroleum drilling sewage treatment system
  • Petroleum drilling sewage treatment system
  • Petroleum drilling sewage treatment system

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Effect test

Embodiment approach

[0047] As a specific implementation of the oil drilling sewage treatment system provided by the present invention, please refer to figure 2 The regulating tank 2 is provided with a first aeration device 2-1 and a stirring device, the first aerating device 2-1 is arranged on the side wall of the regulating pond 2, and the stirring device is arranged at the bottom of the regulating pond 2.

[0048] The stirring device is connected with the first motor 2-4. After the sewage enters the regulating tank 2, the first motor 2-4 drives the stirring device to rotate, and the sewage is homogeneously regulated so that the sewage is evenly mixed. The first aeration device 2-1 is installed on the side wall of the regulating tank 2 to prevent the agitating device from inadequately agitating the sewage close to the side wall of the regulating tank 2, and the first aerating device 2-1 cooperates with the agitating device to make the sewage regulation effect better .

[0049] As a specific i...

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Abstract

The invention provides a petroleum drilling sewage treatment system, and belongs to the technical field of petroleum drilling. The petroleum drilling sewage treatment system comprises a filter, an adjusting tank communicated with the liquid outlet of the filter, an anaerobic tank communicated with the liquid outlet of the adjusting tank, an aerobic tank communicated with the liquid outlet of the anaerobic tank, a sedimentation tank communicated with the liquid outlet of the aerobic tank, a membrane treatment device communicated with the liquid outlet of the sedimentation tank, and a sludge tank. The liquid outlet of the sludge tank is communicated with the liquid inlet of the adjusting tank; a defoaming device is arranged in the aerobic tank, the defoaming device comprises a water spray pipe, which is arranged in the aerobic tank, and a spray head is arranged outside the water spray pipe in a sleeving manner. The system also comprises a defoaming blade, which is rotationally connectedwith the water spraying pipe and is provided with saw teeth; and a suspended net, which is connected with the water spraying pipe and suspends on the water surface. The problems that in the prior art,the sewage treatment effect is not ideal, and emission does not reach the standard are solved.

Description

technical field [0001] The invention belongs to the technical field of oil drilling, and more specifically relates to an oil drilling sewage treatment system. Background technique [0002] A large amount of sewage will be generated during oil field drilling, including equipment cleaning sewage, sewage generated after waste mud condensation and dehydration treatment, etc. At present, methods such as chemical coagulation and air flotation are mostly used to treat drilling wastewater. These methods can only remove colloidal or suspended large-particle pollutants in water, and there are problems such as incomplete treatment and substandard wastewater after treatment. Contents of the invention [0003] The object of the present invention is to provide a sewage treatment system for oil drilling, aiming to solve the problems in the prior art such as unsatisfactory sewage treatment effect and substandard discharge. [0004] In order to achieve the above object, the technical solu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F1/001C02F1/006C02F1/44C02F1/5236C02F1/5281C02F3/30C02F7/00C02F9/00C02F2001/007C02F2101/30C02F2303/12
Inventor 胡小刚邱涛侯召坡李振昊王海梁志宏孙刚
Owner BC P INC CHINA NAT PETROLEUM CORP
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