Flowback fluid treatment device

Abstract

This utility model discloses a backflow liquid treatment device, which includes a housing. A coagulant tank is correspondingly arranged on one side of the first reaction tank, and a magnetic powder tank is correspondingly arranged on one side of the second reaction tank. A plate and frame filter press is fixedly connected to one side of the sludge storage tank. With the above structure, the housing contains, from left to right, a first reaction tank, a second reaction tank, a third reaction tank, and a sedimentation tank. The coagulant tank is correspondingly arranged on one side of the first reaction tank, and the magnetic powder tank is correspondingly arranged on one side of the second reaction tank, enabling the liquid to be treated from left to right, thus making the mine water very clean. A sludge pump is arranged on one side of the sedimentation tank, and a high-shear mill is arranged at the lower end of the sludge pump. A magnetic separator is arranged on one side of the high-shear mill, and a sludge storage tank is arranged on one side of the magnetic separator. A plate and frame filter press is fixedly connected to one side of the sludge storage tank, which facilitates the clean treatment of sludge and facilitates safe discharge.

Description

Technical Field

[0001] This utility model relates to the field of mine water treatment technology, and in particular to a backflow fluid treatment device. Background Technology

[0002] Drilling and fracturing operations: Drilling and fracturing are critical steps in coal and rock gas extraction. Drilling requires a large amount of water to cool the drill bit and clean the wellbore, while fracturing operations require high-pressure water to inject sand into the formation to break the rock and release natural gas. Both processes require significant water resources. Wastewater is treated during production to meet reuse standards, necessitating the installation of a flowback fluid treatment system.

[0003] When using backflow treatment devices, the existing technology for mine water treatment steps is very simple, the treatment efficiency is not as expected, and a lot of sludge will be deposited during the treatment process, which is difficult to remove and discharge. Utility Model Content

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a backflow liquid treatment device that can treat liquid from left to right, so that the mine water can be treated very cleanly, and that the sludge can be treated cleanly and discharged safely.

[0005] This utility model also provides a backflow liquid treatment device, including a housing. From left to right, a first reaction tank, a second reaction tank, a third reaction tank, and a sedimentation tank are fixedly and interconnected inside the housing. A coagulant tank is correspondingly arranged on one side of the first reaction tank, a magnetic powder tank is correspondingly arranged on one side of the second reaction tank, a dosing swing device is installed inside the third reaction tank, a sludge pump is arranged on the other side of the sedimentation tank, a sludge storage tank is arranged on one side of the sludge pump, and a plate and frame filter press is fixedly connected and interconnected on one side of the sludge storage tank.

[0006] According to the backflow liquid treatment device of this utility model, an inlet pipe is fixedly connected to one side of the first reaction tank, a water pump is provided on one side of the inlet pipe, the water pump is fixedly connected to the input end, the output end of the water pump is fixedly connected to the inside of the first reaction tank, and an outlet pipe is fixedly connected to the output end of the sedimentation tank.

[0007] According to the backflow liquid treatment device of this utility model, a rotating shaft is provided inside the first reaction tank, a motor is provided at the upper end of the rotating shaft, the output end of the motor is fixedly connected to the upper end of the rotating shaft, and a first stirring rod and a second stirring rod are fixedly connected to both sides of the rotating shaft respectively.

[0008] According to the backflow liquid treatment device of this utility model, the output ends of the first reaction tank and the second reaction tank are fixedly connected with a discharge inclined plate, and the discharge inclined plate is fixedly connected to the inner side of the first reaction tank and the second reaction tank.

[0009] According to the backflow liquid treatment device of this utility model, the lower ends of the coagulant tank, magnetic powder tank, and PAM dosing tank are fixedly connected to a fixing plate, and the fixing plate is fixedly connected to the side wall of the tank body.

[0010] According to the backflow liquid treatment device of this utility model, a plate frame is provided on the outside of the plate and frame filter press, and the plate frame is fixedly connected to the inside of the sludge storage tank.

[0011] According to the backflow liquid treatment device of this utility model, a high shear machine is connected to the lower end of the sludge pump, an inlet pipe is fixedly connected to one side of the high shear machine, a magnetic separator is fixedly connected to one side of the inlet pipe, and one side of the magnetic separator is connected to the sludge storage tank.

[0012] Beneficial effects:

[0013] 1. The inner side of the tank is equipped with a first reaction tank, a second reaction tank, a third reaction tank, and a sedimentation tank from left to right. A coagulant tank is located on one side of the first reaction tank, a magnetic powder tank is located on one side of the second reaction tank, and a PAM dosing tank is located on one side of the third reaction tank, so that the liquid can be treated from left to right, and the mine water can be treated very cleanly.

[0014] 2. A sludge pump is installed on one side of the sedimentation tank, a high shear machine is installed at the lower end of the sludge pump, a magnetic separator is installed on one side of the high shear machine, a sludge storage tank is installed on one side of the magnetic separator, and a plate frame is fixedly connected to one side of the sludge storage tank. A plate and frame filter press is fixedly connected to the inside of the plate frame, so that the sludge can be cleaned and safely discharged. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a perspective view of the backflow liquid treatment device of this utility model;

[0017] Figure 2 This is a schematic diagram of the plate and frame filter press inside the plate frame of the backflow liquid treatment device of this utility model;

[0018] Figure 3 This is a cross-sectional view of the first reaction tank of the backflow liquid treatment device of this utility model;

[0019] Figure 4 This is a schematic diagram of the internal structure of the PAM dosing tank in the backflow treatment device of this utility model.

[0020] Legend:

[0021] 1. Container; 2. Water pump; 3. Inlet pipe; 4. First reaction tank; 5. Second reaction tank; 6. Third reaction tank; 7. Sedimentation tank; 8. Outlet pipe; 9. Coagulant tank; 10. Magnetic powder tank; 11. Discharge inclined plate; 12. PAM dosing tank; 13. Fixing plate; 14. Sludge pump; 15. High shear machine; 16. Inlet pipe; 17. Magnetic separator; 18. Sludge storage tank; 19. Plate and frame frame; 20. Plate and frame filter press; 21. Motor; 22. Rotating shaft; 23. First stirring rod; 24. Second stirring rod; 25. Dosing oscillating component. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figure 1-4 The backflow liquid treatment device of this utility model includes a box 1. From left to right, a first reaction tank 4, a second reaction tank 5, a third reaction tank 6, and a sedimentation tank 7 are fixedly and interconnected inside the box 1. A coagulant tank 9 is correspondingly arranged on one side of the first reaction tank 4, a magnetic powder tank 10 is correspondingly arranged on one side of the second reaction tank 5, a dosing swing component 25 is installed inside the third reaction tank 6, a sludge pump 14 is arranged on the other side of the sedimentation tank 7, a sludge storage tank 18 is arranged on one side of the sludge pump 14, and a plate and frame filter press 20 is fixedly connected and interconnected on one side of the sludge storage tank 18.

[0024] Specifically, the magnetic coagulation system adds magnetic powder during the coagulation and flocculation process. Due to the high specific gravity of the magnetic powder (up to 5.0 × 10³ kg / m³), the specific gravity of the flocs mixed with the magnetic powder increases, and the flocs settle rapidly.

[0025] A water inlet pipe 3 is fixedly connected to one side of the first reaction tank 4, and a water pump 2 is installed on one side of the water inlet pipe 3. The water pump 2 is fixedly connected to the input end, and the output end of the water pump 2 is fixedly connected to the inside of the first reaction tank 4. A water outlet pipe 8 is fixedly connected to the output end of the sedimentation tank 7.

[0026] Specifically, water pump 2 is controlled by power supply and is used for pumping water.

[0027] A rotating shaft 22 is provided inside the first reaction tank 4. A motor 21 is provided at the upper end of the rotating shaft 22. The output end of the motor 21 is fixedly connected to the upper end of the rotating shaft 22. A first stirring rod 23 and a second stirring rod 24 are fixedly connected to both sides of the rotating shaft 22, respectively.

[0028] Specifically, motor 21 drives rotating shaft 22, first stirring rod 23, and second stirring rod 24 to rotate.

[0029] The first reaction tank 4 and the second reaction tank 5 are fixedly connected by a discharge ramp 11, which is fixedly connected to the inner side of the first reaction tank 4 and the second reaction tank 5.

[0030] The lower ends of the coagulant tank 9, magnetic powder tank 10, and PAM dosing tank 12 are fixedly connected to a fixing plate 13, which is fixedly connected to the side wall of the tank body 1.

[0031] Specifically, the coagulant tank 9, magnetic powder tank 10, and PAM dosing tank 12 are used to treat mine water so that it can be used in conjunction with the sedimentation tank 7 for sedimentation.

[0032] A plate and frame filter press 20 is provided on the outside of a plate frame 19, and the plate frame 19 is fixedly connected to the inside of a sludge storage tank 18.

[0033] A high shear machine 15 is connected to the lower end of the sludge pump 14. An inlet pipe 16 is fixedly connected to one side of the high shear machine 15. A magnetic separator 17 is fixedly connected to one side of the inlet pipe 16. One side of the magnetic separator 17 is connected to the sludge storage tank 18.

[0034] Working principle: From left to right, the inner side of the tank 1 is equipped with a first reaction tank 4, a second reaction tank 5, a third reaction tank 6, and a sedimentation tank 7. A coagulant tank 9 is located on one side of the first reaction tank 4, a magnetic powder tank 10 is located on one side of the second reaction tank 5, and a PAM dosing tank 12 is located on one side of the third reaction tank 6. This allows the liquid to be treated from left to right, ensuring that the mine water is treated very cleanly. A sludge pump 14 is located on one side of the sedimentation tank 7. A high shear machine 15 is located at the lower end of the sludge pump 14. A magnetic separator 17 is located on one side of the high shear machine 15. A sludge storage tank 18 is located on one side of the magnetic separator 17. A plate frame 19 is fixedly connected to one side of the sludge storage tank 18. A plate and frame filter press 20 is fixedly connected to the inside of the plate frame 19, which facilitates the clean treatment of sludge and its safe discharge.

[0035] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A backflow liquid treatment device, comprising a housing (1), characterized in that: The inner side of the box (1) is fixedly connected from left to right with a first reaction tank (4), a second reaction tank (5), a third reaction tank (6), and a sedimentation tank (7). A coagulant tank (9) is provided on one side of the first reaction tank (4), and a magnetic powder tank (10) is provided on one side of the second reaction tank (5). A dosing swing device (25) is installed inside the third reaction tank (6). A sludge pump (14) is provided on the other side of the sedimentation tank (7). A sludge storage tank (18) is provided on one side of the sludge pump (14). A plate and frame filter press (20) is fixedly connected to one side of the sludge storage tank (18).

2. The backflow liquid treatment device according to claim 1, characterized in that, The first reaction tank (4) is fixedly connected to a water inlet pipe (3) on one side, and a water pump (2) is provided on one side of the water inlet pipe (3). The water pump (2) is fixedly connected to the input end, and the output end of the water pump (2) is fixedly connected to the inside of the first reaction tank (4). The sedimentation tank (7) is fixedly connected to an outlet pipe (8).

3. The backflow liquid treatment device according to claim 1, characterized in that, The first reaction tank (4) is provided with a rotating shaft (22) inside. A motor (21) is provided at the upper end of the rotating shaft (22). The output end of the motor (21) is fixedly connected to the upper end of the rotating shaft (22). A first stirring rod (23) and a second stirring rod (24) are fixedly connected to both sides of the rotating shaft (22).

4. The backflow liquid treatment device according to claim 1, characterized in that, The first reaction tank (4) and the second reaction tank (5) are fixedly connected by a discharge ramp (11), and the discharge ramp (11) is fixedly connected to the inner side of the first reaction tank (4) and the second reaction tank (5).

5. The backflow liquid treatment device according to claim 1, characterized in that, The lower ends of the coagulant tank (9), magnetic powder tank (10), and PAM dosing tank (12) are fixedly connected to a fixing plate (13), which is fixedly connected to the side wall of the tank body (1).

6. The backflow liquid treatment device according to claim 1, characterized in that, The plate and frame filter press (20) is provided with a plate frame (19) on the outside, and the plate frame (19) and the inner side of the sludge storage tank (18) are fixedly connected.

7. The backflow liquid treatment device according to claim 1, characterized in that, The sludge pump (14) is connected to a high shear machine (15) at its lower end. A passage pipe (16) is fixedly connected to one side of the high shear machine (15). A magnetic separator (17) is fixedly connected to one side of the passage pipe (16). One side of the magnetic separator (17) is connected to the sludge storage tank (18).

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