Device for improving biodegradability of fracturing flow-back fluid wastewater

Abstract

The utility model discloses a device for improving biodegradability of fracturing flow-back fluid wastewater, which comprises a treatment box, a treatment bin is arranged in the treatment box, a transducer is arranged in the center of the bottom of the treatment bin, an ultrasonic generator is arranged on one side of the transducer, electrode columns are arranged on two sides of the bottom of the treatment bin, and a dosing box is arranged at the top end of the treatment box. A first liquid storage cylinder is arranged on one side of the treatment box, a first filter plate is arranged on the upper portion in the first liquid storage cylinder, a first liquid extraction pump is arranged on the lower portion in the first liquid storage cylinder, a second liquid storage cylinder is arranged on the other side of the treatment box, and a second filter plate is arranged on the upper portion in the second liquid storage cylinder; a second infusion pump is arranged at the top end of the second filter plate. According to the utility model, the energy converter and the ultrasonic generator are used for fully mixing materials, and the photovoltaic panel is used for energy-saving electricity storage, so that not only can the biodegradability of the fracturing flow-back fluid wastewater be improved, but also the device has the characteristics of energy conservation and electricity storage.

Description

Technical Field

[0001] The utility model relates to the technical field of fracturing flowback wastewater treatment, in particular to a device for improving the biodegradability of fracturing flowback wastewater. Background Art

[0002] The fracturing flowback fluid produced by fracturing operations contains guar gum, formaldehyde, petroleum and other various additives. It has the characteristics of high turbidity, high viscosity, high COD, high salt, etc. It is difficult to treat in accordance with environmental protection standards and has high treatment costs. It is the most difficult wastewater to treat in oilfield wastewater. If the fracturing fluid that flows back to the ground is discharged without treatment, it will pollute the surrounding environment, especially crops and surface water systems. In China, methods such as incineration, storage in residual acid pools, and reinjection are used to treat fracturing flowback fluid, but due to poor treatment effects and the easy generation of secondary pollution, these methods cannot fundamentally solve the pollution problem.

[0003] There are also devices on the market for improving the biodegradability of fracturing flowback wastewater, but in the past, simple electrolysis treatment was used, and the fracturing flowback wastewater could not be fully mixed, thus affecting the electrolysis effect. In addition, traditional devices for improving the biodegradability of fracturing flowback wastewater consume a lot of energy and cannot be used for energy saving and electricity storage. Therefore, this application proposes a device for improving the biodegradability of fracturing flowback wastewater to solve this problem.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] The purpose of the utility model is to provide a device for improving the biodegradability of fracturing flowback wastewater, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a device for improving the biodegradability of fracturing return fluid wastewater, including a treatment box, the interior of the treatment box includes a treatment chamber, a transducer is provided at the bottom center of the treatment chamber, an ultrasonic generator is provided on one side of the transducer, electrode columns are provided on both sides of the bottom of the treatment chamber, a medicine dispensing box is provided on the top of the treatment box, the medicine dispensing box is connected to the treatment chamber valve, a first liquid storage cylinder is provided on one side of the treatment box, a first filter plate is provided on the upper part of the first liquid storage cylinder, a first liquid pump is provided on the lower part of the first liquid storage cylinder, the first liquid pump is connected to the treatment chamber pipeline, a second liquid storage cylinder is provided on the other side of the treatment box, a second filter plate is provided on the upper part of the second liquid storage cylinder, a second liquid pump is provided on the top of the second filter plate, and the second liquid pump is connected to the treatment chamber pipeline.

[0007] Preferably, the first liquid storage cylinder is fixedly connected to the processing box by bolts, and the first filter plate is sleeved with the first liquid storage cylinder.

[0008] Preferably, the medicine dispensing box is fixedly connected to the processing box by bolts, the transducer is fixedly connected to the processing box by bolts, and the ultrasonic generator is fixedly connected to the processing box by bolts.

[0009] Preferably, the electrode column is fixedly connected to the processing box by bolts, and a heater is provided on one side of the processing chamber, and the heater is fixedly connected to the processing box by bolts.

[0010] Preferably, the second liquid storage cylinder is fixedly connected to the processing box by bolts, and the second filter plate is sleeved with the second liquid storage cylinder.

[0011] Preferably, a controller is installed at the lower interior of the processing box, a battery is also installed at the lower interior of the processing box, an inverter is installed on one side of the battery, a photovoltaic panel is obliquely provided on one side of the processing box, and portable casters are installed at the bottom end of the processing box.

[0012] Preferably, the storage battery is connected to the photovoltaic panel and the inverter by electric wires respectively, and the controller is connected to the heater, the electrode column, the ultrasonic generator, the first liquid pump and the second liquid pump by electric wires respectively.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The utility model is a device for improving the biodegradability of fracturing flowback wastewater, which is provided with a treatment box, a heater, an electrode column, a transducer, an ultrasonic generator, a medicine dispensing box, a first liquid storage cylinder and a second liquid storage cylinder. The fracturing flowback wastewater is pre-filtered by the first liquid storage cylinder, and then the fracturing flowback wastewater is fully mixed by the medicine dispensing box, the ultrasonic generator and the transducer, and then the fracturing flowback wastewater is subjected to auxiliary thermal reaction by the heater, and then the fracturing flowback wastewater is electrolyzed by the electrode column, and finally the second liquid storage cylinder is used for secondary filtration, so as to improve the biodegradability of the fracturing flowback wastewater.

[0015] 2. The utility model is a device for improving the biodegradability of fracturing flowback wastewater, which is equipped with photovoltaic panels, inverters and batteries. When used outdoors, the photovoltaic panels convert light energy into electrical energy and store it in the battery. After being processed by the inverter, it is used as power supply for various components, achieving the effect of photovoltaic power storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a device for improving the biodegradability of fracturing flowback wastewater according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of a treatment box in a device for improving the biodegradability of fracturing flowback wastewater according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic diagram of the internal structure of a first liquid storage cylinder in a device for improving the biodegradability of fracturing flowback wastewater according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of a second liquid storage cylinder in a device for improving the biodegradability of fracturing flowback wastewater according to an embodiment of the utility model.

[0021] Reference numerals:

[0022] 1. Processing box; 2. Processing chamber; 3. Heater; 4. Electrode column; 5. Transducer; 6. Ultrasonic generator; 7. Controller; 8. Battery; 9. Inverter; 10. Photovoltaic panel; 11. Portable casters; 12. Medicine dispensing box; 13. First liquid storage cylinder; 14. First filter plate; 15. First liquid pump; 16. Second liquid storage cylinder; 17. Second filter plate; 18. Second liquid pump. DETAILED DESCRIPTION

[0023] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described:

[0024] See also Figure 1-4 According to an embodiment of the utility model, a device for improving the biodegradability of fracturing flowback wastewater comprises a treatment box 1, wherein the interior of the treatment box 1 comprises a treatment chamber 2, a transducer 5 is provided at the bottom center of the treatment chamber 2, an ultrasonic generator 6 is provided on one side of the transducer 5, electrode columns 4 are provided on both sides of the bottom of the treatment chamber 2, a medicine dispensing box 12 is provided at the top of the treatment box 1, the medicine dispensing box 12 is connected to the valve of the treatment chamber 2, a first liquid storage cylinder 13 is provided on one side of the treatment box 1, a first filter plate 14 is provided on the upper part of the interior of the first liquid storage cylinder 13, and a first filter plate 14 is provided on the lower part of the interior of the first liquid storage cylinder 13. A first liquid pump 15 is provided on one side of the processing box 1, and the first liquid pump 15 is connected to the processing chamber 2 by a pipeline. A second liquid storage cylinder 16 is provided on the other side of the processing box 1, and a second filter plate 17 is provided on the upper part of the second liquid storage cylinder 16. A second liquid pump 18 is provided on the top of the second filter plate 17, and the second liquid pump 18 is connected to the processing chamber 2 by a pipeline. The utility model performs sufficient mixing through the transducer 5 and the ultrasonic generator 6, and performs energy-saving and power storage through the photovoltaic panel 10, which can not only improve the biodegradability of fracturing return fluid wastewater, but also has the characteristics of energy saving and power storage.

[0025] According to the above solution of the utility model, the first liquid storage cylinder 13 is fixedly connected to the processing box 1 by bolts, and the first filter plate 14 is sleeved with the first liquid storage cylinder 13, so as to facilitate the pre-filtration treatment of the fracturing return fluid wastewater.

[0026] According to the above solution of the utility model, the dispensing box 12 is fixedly connected to the processing box 1 by bolts, the transducer 5 is fixedly connected to the processing box 1 by bolts, and the ultrasonic generator 6 is fixedly connected to the processing box 1 by bolts for sufficient mixing.

[0027] According to the above scheme of the utility model, the electrode column 4 is fixedly connected to the processing box 1 by bolts, which is convenient for electrolytic treatment of wastewater. A heater 3 is provided on one side of the processing chamber 2, and the heater 3 is fixedly connected to the processing box 1 by bolts for auxiliary heat treatment.

[0028] According to the above solution of the utility model, the second liquid storage cylinder 16 is fixedly connected to the processing box 1 by bolts, and the second filter plate 17 is sleeved with the second liquid storage cylinder 16 for wastewater discharge and filtration.

[0029] According to the above scheme of the utility model, a battery 8 is also installed at the lower part of the interior of the processing box 1, an inverter 9 is installed on one side of the battery 8, a photovoltaic panel 10 is obliquely provided on one side of the processing box 1, the battery 8 is respectively connected with the photovoltaic panel 10 and the inverter 9 by electric wires for photovoltaic power storage, a controller 7 is installed at the lower part of the interior of the processing box 1, the controller 7 is respectively connected with the heater 3, the electrode column 4, the ultrasonic generator 6, the first liquid pump 15 and the second liquid pump 18 by electric wires, the controller 7 is composed of a plc controller for controlling the operation of each component, and a portable caster 11 is installed at the bottom end of the processing box 1 for auxiliary movement.

[0030] When in use, the fracturing return fluid wastewater is first poured into the first liquid storage cylinder 13, and then the impurities in the fracturing return fluid wastewater are filtered by the first filter plate 14, and the filtered fracturing return fluid wastewater is pumped into the processing chamber 2 by the first pumping pump 15, and then the medicine dispensing box 12 is opened to inject the medicine into the processing chamber 2, and at the same time, the fracturing return fluid wastewater and the medicine in the processing chamber 2 are vibrated and mixed by the ultrasonic generator 6 and the ultrasonic transducer 5. During the mixing, the heater 3 can be controlled to work to heat the inside of the processing chamber 2, so that the fracturing return fluid wastewater and the medicine fully react, and finally the fracturing return fluid wastewater and the medicine are mixed by the ultrasonic generator 6 and the ultrasonic transducer 5. The reacted fracturing return fluid wastewater is electrolyzed through the electrode column 4, and the flocculated wastewater after electrolysis is pumped into the second liquid storage cylinder 16 through the second pumping pump 18, and the metal ions are filtered through the second filter plate 17, and finally discharged through the second liquid storage cylinder 16. The ultrasonic generator 6 and the transducer 5 can be used to fully mix and treat the fracturing return fluid wastewater and the reagent, thereby improving the biodegradability of the fracturing return fluid wastewater; when used outdoors, the photovoltaic panel 10 converts light energy into electrical energy and stores it in the battery 8, which is processed by the inverter 9 to provide power to various components, thereby achieving the effect of photovoltaic power storage.

[0031] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments or replace some of the technical features in the embodiments with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A device for improving the biodegradability of fracturing flowback wastewater, comprising a treatment box (1), characterized in that: The interior of the processing box (1) includes a processing chamber (2), a transducer (5) is provided at the center of the bottom of the processing chamber (2), an ultrasonic generator (6) is provided on one side of the transducer (5), electrode columns (4) are provided on both sides of the bottom of the processing chamber (2), a medicine dispensing box (12) is provided at the top of the processing box (1), and the medicine dispensing box (12) is connected to the valve of the processing chamber (2), a first liquid storage cylinder (13) is provided on one side of the processing box (1), a first filter plate (14) is provided at the top of the first liquid storage cylinder (13), a first liquid pump (15) is provided at the bottom of the first liquid storage cylinder (13), and the first liquid pump (15) is connected to the processing chamber (2) through a pipeline, and a second liquid storage cylinder (16) is provided on the other side of the processing box (1), a second filter plate (17) is provided at the top of the second liquid storage cylinder (16), a second liquid pump (18) is provided at the top of the second filter plate (17), and the second liquid pump (18) is connected to the processing chamber (2) through a pipeline.

2. The device for improving the biodegradability of fracturing flowback wastewater according to claim 1, characterized in that: The first liquid storage cylinder (13) is fixedly connected to the processing box (1) by bolts, and the first filter plate (14) is sleeved with the first liquid storage cylinder (13).

3. The device for improving the biodegradability of fracturing flowback wastewater according to claim 2, characterized in that: The medicine dispensing box (12) is fixedly connected to the processing box (1) by bolts, the transducer (5) is fixedly connected to the processing box (1) by bolts, and the ultrasonic generator (6) is fixedly connected to the processing box (1) by bolts.

4. The device for improving the biodegradability of fracturing flowback wastewater according to claim 3, characterized in that: The electrode column (4) is fixedly connected to the processing box (1) by bolts, and a heater (3) is provided on one side of the processing chamber (2), and the heater (3) is fixedly connected to the processing box (1) by bolts.

5. The device for improving the biodegradability of fracturing flowback wastewater according to claim 4, characterized in that: The second liquid storage cylinder (16) is fixedly connected to the processing box (1) by bolts, and the second filter plate (17) is sleeved with the second liquid storage cylinder (16).

6. The device for improving the biodegradability of fracturing flowback wastewater according to claim 1, characterized in that: A controller (7) is installed at the lower part of the processing box (1), a storage battery (8) is also installed at the lower part of the processing box (1), an inverter (9) is installed on one side of the storage battery (8), a photovoltaic panel (10) is obliquely provided on one side of the processing box (1), and a portable caster (11) is installed at the bottom end of the processing box (1).

7. The device for improving the biodegradability of fracturing flowback wastewater according to claim 6, characterized in that: The storage battery (8) is connected to the photovoltaic panel (10) and the inverter (9) by wires, respectively, and the controller (7) is connected to the heater (3), the electrode column (4), the ultrasonic generator (6), the first liquid pump (15) and the second liquid pump (18) by wires.

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