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Ozone oxidation viscosity reduction treatment device for ternary water produced from oil fields and use method of device

An ozone oxidation and treatment device technology, applied in mining wastewater treatment, oxidized water/sewage treatment, water/sewage treatment, etc., can solve the problems of low oxidation efficiency, easy blockage, and hidden safety hazards in the storage of additional oxidizing agents.

Active Publication Date: 2019-08-13
青岛哈工资源环境技术有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0009] The present invention aims to solve the potential safety hazards in the storage of external oxidizing agents during the oxidative viscosity reduction treatment of ternary produced water in oilfields, some of which produce new sediments during the treatment process, some of which have low oxidation efficiency and oxidant loss, and the ozone catalyst is seriously polluted and easy to block. In order to solve the technical problems, a treatment device and its application method for ozone oxidation and viscosity reduction of oilfield ternary produced water are provided

Method used

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  • Ozone oxidation viscosity reduction treatment device for ternary water produced from oil fields and use method of device
  • Ozone oxidation viscosity reduction treatment device for ternary water produced from oil fields and use method of device
  • Ozone oxidation viscosity reduction treatment device for ternary water produced from oil fields and use method of device

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specific Embodiment approach 1

[0048] Specific implementation mode 1: This implementation mode is a treatment device for ozone oxidation and viscosity reduction of oilfield ternary production water, such as Figure 1-Figure 5 As shown, it is specifically composed of a circulating water pump 1, a Venturi tube gas / liquid mixer 2, a first-stage columnar catalytic oxidation reactor 4, a second-stage columnar catalytic oxidation reactor 7, a third-stage columnar catalytic oxidation reactor 10, Rear reaction tank 13 and ozone generator 36 are formed;

[0049] The liquid outlet of the circulating water pump 1 is communicated with the liquid inlet of the Venturi tube gas / liquid mixer 2, the gas outlet of the ozone generator 36 is communicated with the inlet 3 of the Venturi tube gas / liquid mixer 2, and the Venturi tube The liquid outlet of the gas / liquid mixer 2 communicates with the liquid inlet 5 of the first-stage columnar catalytic oxidation reactor 4, and the liquid outlet 6 of the first-stage columnar catalyt...

specific Embodiment approach 2

[0057] Embodiment 2: This embodiment is different from Embodiment 1 in that: the distance between two parallel and adjacent slices 4-1-1 is 0.5 cm to 2 cm. Others are the same as the first embodiment.

specific Embodiment approach 3

[0058] Specific Embodiment 3: This embodiment differs from Specific Embodiment 1 or 2 in that: the angle between two intersecting and adjacent flakes 4-1-1 is 30°-90°. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a treatment device for ternary water produced from oil fields and a use method thereof, in particular to an ozone oxidation viscosity reduction treatment device for ternary water produced from oil fields and a use method of the device. The device aims to solve the technical problems that storage of additional oxidation agents during existing oxidation viscosity reduction treatment of ternary water produced from oil fields has potential safety hazards, new precipitates are generated in the treatment process, the oxidation efficiency is low, the loss of oxidants is large, pollution caused by ozone catalysts is serious, and blockage issue is likely to be caused. The treatment device comprises three parts including an ozone adding unit, a catalytic oxidation unit and apostreaction unit; the catalytic oxidation unit consists of columnar catalytic oxidation reactors which are in three-level series connection, the columnar catalytic oxidation reactors are internallyprovided with platy catalyst combination modules which are regularly arrayed, and the vertical surfaces of platy catalysts are always tangent to the direction of water flow. The postreaction unit is atank body of an integrated structure with an air / liquid separation function and an air floatation function.

Description

technical field [0001] The invention relates to a treatment device for ternary produced water in an oil field and a using method thereof. Background technique [0002] In the production process of oilfields, with the prolongation of oilfield exploitation time, the oil recovery rate will gradually decrease, and the difficulty of oilfield exploitation will increase. my country's onshore oilfields have successively experienced primary oil recovery (depending on the natural pressure of the oil layer), secondary oil recovery (water injection to increase the pressure of the oil layer) and tertiary oil recovery (injection of chemical substances to drive oil). In order to increase oil field productivity, the tertiary oil recovery technology, which injects chemical substances into the oil layer to improve the performance of oil, gas, water and rock, and thus enhances oil recovery, has been gradually developed and promoted. Among them, polymers, The ASP flooding recovery technology o...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F103/10
CPCC02F1/24C02F1/38C02F1/40C02F1/725C02F1/78C02F9/00C02F2103/10
Inventor 刘广民马睿夏淑梅黄金于朝生薛建良
Owner 青岛哈工资源环境技术有限公司
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