CN217230318U

CN217230318U - Flowing back processing system is returned in oil gas field fracturing

Info

Publication number: CN217230318U
Application number: CN202123096585.6U
Authority: CN
Inventors: 付明鹏
Original assignee: Nanjing Nankai Iwo Environmental Research Institute Co ltd
Current assignee: Nanjing Nankai Iwo Environmental Research Institute Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-08-19
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a flowing back processing system is returned in oil gas field fracturing belongs to the fracturing and returns flowing back processing technology field, include: the inner cavity of the treatment box is respectively provided with a treatment mechanism and a corresponding cleaning mechanism; the utility model discloses a processing box, including the roof of handling the roof of roof portion, install the motor at the roof top and with motor output coaxial coupling's pivot, the lateral wall lower part of pivot evenly is connected with a plurality of puddlers, the inner chamber bottom symmetry of handling the case supports has two opposite polar plate, handle one side outer wall of case and install the dosing tank, it has the connecting pipe of installing the control valve to peg graft between the bottom of dosing tank and the corresponding lateral wall of handling the case. This flowing back processing system is returned in oil gas field fracturing, it is higher to the treatment effeciency of returning the flowing back, and can clear up the plate electrode by oneself in order to raise the efficiency.

Description

Flowing back processing system is returned in oil gas field fracturing

Technical Field

The utility model belongs to the technical field of flowing back processing technique is returned in fracturing, especially, flowing back processing system is returned in oil gas field fracturing.

Background

Along with the expansion of the development range of unconventional reservoirs and the popularity of volume fracturing concepts in recent years, the development strength of horizontal wells is gradually increased, the length of horizontal well sections is increased from 1000m to 5000m, fracturing fluid required by single-layer fracturing construction is different from hundreds of cubic meters to thousands of cubic meters, and the fracturing fluid is pressedThe water requirement for fracturing construction is greatly increased, so that fracturing flowback fluid is synchronously increased. The increase of the fracturing construction scale improves the difficulty of preparing and discharging the fracturing fluid and brings unprecedented challenges to environmental protection. If the gas production well group of the oil field in Changqing has 14 cluster industrial well groups, the maximum construction liquid amount of a single well group reaches 41000m ³ Acid solution 1500m ³ . According to statistics, after the fracturing operation is completed, about 15% -90% of construction liquid is discharged to the ground, and the problems of large consumption of water resources and increasing wastewater pollution are increasingly obvious. How to reduce the consumption of water resources and reasonably treat a large amount of flowback liquid generated in the development process of the oil-gas field becomes one of bottlenecks restricting the scale development of the oil-gas field. The fracturing flow-back fluid contains a large amount of chemical additives, heavy metal salts from the stratum and the like, and if the fracturing flow-back fluid is not treated properly, serious pollution is caused to the environment, so that a special treatment device is required for treatment.

However, the existing device adopts a stirring mode to treat the backflow liquid, and the treatment efficiency of the backflow liquid is not high enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flowing back processing system is returned in oil gas field fracturing to solve the problem that provides in the background art.

The technical scheme is as follows: an oil and gas field frac flowback fluid treatment system, comprising:

the inner cavity of the treatment box is respectively provided with a treatment mechanism and a corresponding cleaning mechanism;

the utility model discloses a processing box, including the roof of handling the roof of roof portion, install the motor at the roof top and with motor output coaxial coupling's pivot, the lateral wall lower part of pivot evenly is connected with a plurality of puddlers, the inner chamber bottom symmetry of handling the case supports has two opposite polar plate, handle one side outer wall of case and install the dosing tank, it has the connecting pipe of installing the control valve to peg graft between the bottom of dosing tank and the corresponding lateral wall of handling the case.

In a further embodiment, the cleaning mechanism comprises a plurality of connecting rods and bristles, the connecting rods are evenly connected to the upper portion of the side wall of the rotating shaft, the bristles are evenly bonded to the other ends of the connecting rods, two electric telescopic rods are symmetrically installed at the bottom of the top plate, and the output ends of the electric telescopic rods are connected to the tops of the corresponding electrode plates.

In a further embodiment, a waterproof shell is sleeved on the side wall of the electric telescopic rod, and a rubber pad is bonded at the bottom of the electrode plate.

In a further embodiment, a liquid inlet pipe is inserted into the upper part of one side wall of the treatment box, and a liquid outlet pipe provided with a control valve is inserted into one side of the bottom of the treatment box.

In a further embodiment, the front side wall of the treatment box is provided with a mounting groove, and a transparent glass plate is nested and mounted in the mounting groove.

In a further embodiment, the bottom of the top plate is symmetrically connected with two clamping plates, and the clamping plates are supported on the inner walls of the corresponding sides of the treatment box.

The utility model discloses a technological effect and advantage: according to the oil and gas field fracturing flow-back fluid treatment system, after the chemicals are put in the chemical dosing box, the mixing rods are matched to rotate to mix the flow-back fluid, meanwhile, the two electrode plates are electrified to ionize the flow-back fluid, and the treatment efficiency of the flow-back fluid is higher due to the matching of multiple modes; when the electrode plate needs to be cleaned, the electrode plate is pulled to rise through the electric telescopic rod and then can be driven by the rotating connecting rod to carry out continuous cleaning, so that attachments on the surface of the electrode plate can be swept down, manual cleaning is not needed, and the electrode plate can be cleaned automatically to improve the efficiency; this flowing back processing system is returned in oil gas field fracturing, it is higher to the treatment effeciency of returning the flowing back, and can clear up the plate electrode by oneself in order to raise the efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

fig. 4 is a schematic structural view of the top plate of the present invention.

In the figure: 1. a treatment tank; 2. a top plate; 3. a motor; 4. a rotating shaft; 5. a stirring rod; 6. an electrode plate; 7. a dosing box; 8. a connecting pipe; 9. an electric telescopic rod; 10. a connecting rod; 11. brushing; 12. mounting a plate; 13. a liquid inlet pipe; 14. a liquid discharge pipe; 15. a transparent glass plate; 16. a support leg; 17. clamping a plate; 18. and a reinforcing plate.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

In order to improve the treatment efficiency of the backflow liquid, as shown in fig. 2, fig. 3 and fig. 4, a treatment mechanism is installed in an inner cavity of a treatment box 1, the treatment mechanism comprises a top plate 2 supported on the top of the treatment box 1, the bottom of the top plate 2 is symmetrically connected with two clamping plates 17 through screws, the clamping plates 17 are supported on the corresponding side inner walls of the treatment box 1, the stability of the top plate 2 can be ensured, a motor 3 installed on the top of the top plate 2, a reinforcing plate 18 is fixedly sleeved on the side wall of the motor 3, the reinforcing plate 18 is connected to the top of the top plate 2 through a plurality of bolts, the working stability of the motor 3 can be improved, the output end of the motor 3 observes the top plate 2 and is coaxially connected with a rotating shaft 4 through a coupler, a mounting plate 12 is welded between the two symmetrical side inner walls of the treatment box 1, a bearing is installed at the joint of the mounting plate and the rotating shaft 4, the lower part of the side wall of the rotating shaft 4 is uniformly connected with a plurality of stirring rods 5 through screws, a plurality of leak holes are uniformly formed in the stirring rod 5, so that the resistance to the rotation of the stirring rod 5 can be reduced, the relative rotation of the stirring rod 5 is smoother, two electrode plates 6 with opposite polarities are symmetrically supported at the bottom of an inner cavity of the treatment box 1, one sides of the two electrode plates 6, which are opposite to each other, are respectively supported on the inner walls of the corresponding sides of the treatment box 1, a rubber pad is bonded at the bottom of each electrode plate 6, the bottom of each electrode plate 6 is prevented from being damaged, a dosing box 7 is mounted on the outer wall of one side of the treatment box 1 through a plurality of bolts, and a connecting pipe 8 provided with a control valve is inserted between the bottom of each dosing box 7 and the corresponding side wall of the treatment box 1;

as shown in fig. 1, a liquid inlet pipe 13 is inserted into the upper portion of one side wall of a treatment box 1, a liquid discharge pipe 14 provided with a control valve is inserted into one side of the bottom of the treatment box 1, and flanges are welded on the liquid inlet pipe 13 and the liquid discharge pipe 14, so that the liquid inlet pipe and the liquid discharge pipe are conveniently connected with an external pipeline, an installation groove is formed in the front side wall of the treatment box 1, a transparent glass plate 15 (not shown in the figure is transparent) is embedded and installed in the installation groove, and supporting legs 16 are welded at four corners of the bottom of the treatment box 1;

in order to clear up with lifting efficiency to the plate electrode by oneself, as fig. 2 and fig. 3, the inner chamber of handling case 1 is installed respectively and is corresponded with the plate electrode clearance mechanism, clearance mechanism is including evenly connecting at a plurality of connecting rods 10 on 4 lateral wall upper portions of pivot, the other end of connecting rod 10 evenly bonds and has brush hair 11, two electric telescopic handle 9 are installed through the mount pad symmetry in the bottom of roof 2, electric telescopic handle 9's lateral wall has cup jointed waterproof casing, can prevent that electric telescopic handle 9 from intaking, and electric telescopic handle 9's output passes through bolted connection at the top that corresponds plate electrode 6.

According to the working principle, the oil-gas field fracturing flow-back fluid treatment system is characterized in that the device is connected with an external power supply, flow-back fluid is put into a treatment box 1 through a fluid inlet pipe 13, then a medicament is put in through a dosing box 7, a motor 3 drives a rotating shaft 4 to drive a plurality of stirring rods 5 to rotate to stir the flow-back fluid, two electrode plates 6 are electrified to ionize the flow-back fluid, the treatment efficiency of the flow-back fluid is higher due to the cooperation of multiple modes, and the treated fluid is discharged through a fluid discharge pipe 14; when the excessive clearance that needs of attachment on electrode plate 6 surface, through electric telescopic handle 9 pulling electrode plate 6 rise, then can be driven the brush hair 11 that pivoted connecting rod 10 bonded by pivot 4 and continuously clean, thereby the cooperation is followed the clear water that the feed liquor pipe 13 added and can be swept the attachment on electrode plate 6 surface and along with water from fluid-discharge tube 14 discharge.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An oil and gas field frac flowback fluid treatment system, comprising:

the device comprises a processing box (1), wherein a processing mechanism and a corresponding cleaning mechanism are respectively installed in an inner cavity of the processing box (1);

the method is characterized in that: handle mechanism including supporting roof (2) at handling case (1) top, install motor (3) at roof (2) top and with motor (3) output coaxial coupling's pivot (4), the lateral wall lower part evenly connected with a plurality of puddlers (5) of pivot (4), the inner chamber bottom symmetry of handling case (1) supports has two opposite electrode board (6) of polarity, handle one side outer wall of case (1) and install dosing tank (7), it has connecting pipe (8) of installing the control valve to peg graft between the bottom of dosing tank (7) and the corresponding lateral wall of handling case (1).

2. The oil and gas field fracturing flow-back fluid treatment system of claim 1, wherein: cleaning mechanism includes a plurality of connecting rods (10) of even connection on pivot (4) lateral wall upper portion and evenly bonds brush hair (11) at the connecting rod (10) other end, two electric telescopic handle (9) are installed to the bottom symmetry of roof (2), and the output of electric telescopic handle (9) is connected at the top that corresponds plate electrode (6).

3. The oil and gas field fracturing flow-back fluid treatment system of claim 2, wherein: the side wall of the electric telescopic rod (9) is sleeved with a waterproof shell, and a rubber pad is bonded to the bottom of the electrode plate (6).

4. The oil and gas field fracturing flow-back fluid treatment system of claim 1, wherein: a liquid inlet pipe (13) is inserted into the upper part of one side wall of the treatment box (1), and a liquid discharge pipe (14) provided with a control valve is inserted into one side of the bottom of the treatment box (1).

5. The oil and gas field fracturing flow-back fluid treatment system of claim 1, wherein: the front side wall of the treatment box (1) is provided with a mounting groove, and a transparent glass plate (15) is nested in the mounting groove.

6. The oil and gas field fracturing flow-back fluid treatment system of claim 1, wherein: the bottom of roof (2) symmetry is connected with two cardboard (17), and cardboard (17) support at the corresponding side inner wall of handling case (1).