Treatment equipment and treatment method for composite sterilization of fracturing flow-back fluid via hydrodynamic cavitation
A technology for fracturing flowback fluid and treatment equipment, which is applied in chemical instruments and methods, sterilization/microdynamic water/sewage treatment, mining wastewater treatment, etc. problems, to meet the needs of the development process, reduce dosage, and reduce consumption.
Pending Publication Date: 2022-01-14
BC P INC CHINA NAT PETROLEUM CORP +1
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[0004] In order to solve the problems of large dosage of chemical bactericides and low reaction efficiency when the fracturing flowback fluid is treated conventionally, the present invention provides a treatment equipment and treatment method for hydraulic cavitation composite sterilization of fracturing flowback fluid. The treatment equipment and treatment method of hydrodynamic cavitation compound sterilization for cracked backflow fluid Use hydraulic cavitation technology to realize the pretreatment of microorganism killing, coupled with chemical sterilization technology, realize the efficiency improvement and consumption reduction of the sterilization process
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[0041] It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
[0042] A treatment device for hydraulic cavitation composite sterilization of fracturing flowback fluid, comprising a multiphase dissolved air pump 1, a hydraulic cavitation reactor 3 and a fluidizer 5 arranged in sequence, such as figure 1 shown.
[0043] In view of the need to kill anaerobic microorganisms in the fracturing flowback fluid, with the goal of increasing the dissolved oxygen in the water body and increasing the content of microbubbles, the multiphase dissolving air pump 1 is selected for efficient oxygenation treatment of the water body, and the volume of the multiphase dissolving air pump is fully utilized The advantages of small size and high oxygenati...
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The invention discloses treatment equipment and a treatment method for composite sterilization of a fracturing flow-back fluid via hydrodynamic cavitation. The treatment equipment for composite sterilization of the fracturing flow-back fluid via hydrodynamic cavitation comprises a multiphase gas dissolving pump (1), a hydrodynamic cavitation reactor (3) and a jet device (5) which are arranged in sequence. According to the treatment equipment and the treatment method for composite sterilization of the fracturing flow-back fluid via hydrodynamic cavitation, a hydrodynamic cavitation sterilization technology is utilized, multiphase dissolved gas and a chemical sterilization technology are coupled, and the use amount of a chemical bactericide and sterilization treatment cost in a recycling treatment process of the fracturing flow-back fluid can be remarkably reduced.
Description
technical field [0001] The invention relates to the technical field of industrial wastewater treatment, in particular to a treatment device for hydraulic cavitation composite sterilization of fracturing flowback fluid, and a treatment method for hydraulic cavitation composite sterilization of fracturing flowback fluid. Background technique [0002] As an unconventional natural gas resource, shale gas has been developed gradually in recent years. The volume fracturing technology adopted in the shale gas development process requires a large amount of fresh water resources to configure fracturing fluids. Therefore, the rapid on-site reuse of volume fracturing flowback fluids is the main solution to the contradiction between shale gas development and regional water resources supply. means. With the gradual maturity of shale gas development technology, volume fracturing flowback fluid treatment has gradually formed the main process of rapid turbidity removal and moderate hardnes...
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IPC IPC(8): C02F9/08C02F103/10
CPCC02F9/00C02F1/34C02F1/50C02F1/74C02F2103/10C02F2303/20
Inventor 张晓飞罗臻杨雪莹张华王毅霖王梓先李婷
Owner BC P INC CHINA NAT PETROLEUM CORP