Oilfield produced water filtering device

Abstract

The utility model relates to the technical field of oilfield exploitation, and discloses an oilfield produced water filtering device which comprises a water collecting barrel, a base is fixedly arranged at the lower end of the water collecting barrel, supporting legs are fixedly arranged at the four corners of the lower end of the base, and first electric telescopic rods are fixedly arranged at the positions, close to the front end and the rear end, of the upper end of the base. A moving plate is fixedly arranged at the upper ends of the two first electric telescopic rods, second electric telescopic rods are fixedly arranged at the upper end of the moving plate and located at the front end and the rear end, water storage discs are fixedly arranged at the lower ends of the two second electric telescopic rods, a supporting plate is fixedly arranged at the upper end of the water collecting barrel, and a motor is fixedly arranged at the upper end of the supporting plate. According to the device, the interior of the water collecting tank can be comprehensively cleaned, the situation that the sewage port and the particle discharging pipe are blocked by remaining impurities is avoided, meanwhile, the detachable filter screen is arranged, filtered water is prevented from overflowing out of the filter tank, and therefore the practicability and the filtering effect of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oilfield exploitation, in particular to an oilfield produced water filtering device. Background Art

[0002] An oil field refers to a specific area where crude oil is produced. Sometimes it is a general term for the oil layers that accumulate underground in a specific area. In a broad sense, several oil regions combined are called an oil field.

[0003] After searching, it was found that the existing oilfield produced water filtering device cannot completely clean the stains inside the water bucket when in use, which causes the accumulation of impurities inside the water bucket and causes blockage. At the same time, when filtering it, the filter net is not cleaned or replaced in time, causing the filtered water to overflow the filter box and cause sewage leakage.

[0004] Therefore, those skilled in the art provide an oilfield produced water filtering device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an oilfield produced water filtering device, which can comprehensively clean the inside of the water production box to prevent the remaining impurities from clogging the sewage outlet and the particle discharge pipe, and at the same time, a detachable filter screen is provided to prevent the filtered water from overflowing the filter box, thereby improving the practicability and filtering effect of the device.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An oilfield produced water filtering device comprises a water collection bucket, a base is fixedly provided at the lower end of the water collection bucket, support legs are fixedly provided at the four corners of the lower end of the base, a first electric telescopic rod is fixedly provided at the upper end of the base near the front and rear ends, a movable plate is fixedly provided at the upper ends of the two first electric telescopic rods, a second electric telescopic rod is fixedly provided at the upper end of the movable plate and at the front and rear ends, a water storage tray is fixedly provided at the lower ends of the two second electric telescopic rods, a support plate is fixedly provided at the upper end of the water collection bucket, and a motor is fixedly provided at the upper end of the support plate;

[0008] Through the above technical solution, the inside of the water collection bucket can be cleaned in all directions through the water storage tray to ensure the cleanliness of the inside of the water collection bucket. The water storage tray is affected by the operation of the first electric telescopic rod and the second electric telescopic rod, so that the water storage tray can move up and down inside the water collection bucket, thereby cleaning the inside of the water collection bucket in all directions, avoiding residual impurities from being left inside the water collection bucket, and preventing the accumulation of impurities, thereby improving the practicality of the device.

[0009] Furthermore, a bottom plate is fixedly provided on one side of the water collection bucket, a fixing column is fixedly provided on the upper end of the bottom plate and close to the front end thereof, a filter box is fixedly provided on the upper end of the bottom plate and close to the rear end thereof, a filter screen is detachably provided inside the filter box, an outer frame is fixedly provided on the outer side of the filter screen, and a filter screen slot is provided on one side of the filter box;

[0010] Through the above technical solution, by setting a detachable filter screen, impurities on the filter screen can be cleaned to prevent impurities from clogging the filter screen and causing filtered water to overflow the filter box. By pressing the protrusion, it is moved toward the inside of the groove under the influence of the spring, and then the outer frame is rotated to separate the filter screen from the filter box. Then, the outer frame is pulled to separate the filter screen from the rotating ring and clean and replace it, thereby improving the filtering effect of the device.

[0011] Furthermore, a sewage pipe is fixedly provided on one side of the water collection bucket near its lower end, and a particle discharge pipe is fixedly provided on the side of the water collection bucket away from the sewage pipe near its lower end;

[0012] Through the above technical solution, the sewage used to clean the water collection bucket can be discharged through the sewage pipe, and the condensed impurities can be discharged through the particle discharge pipe.

[0013] Furthermore, multiple water holes are evenly spaced on the outside of the two water storage trays, and water pumps are fixedly installed on the upper ends of the two water storage trays;

[0014] Through the above technical solution, a water pump is fixedly arranged on the upper end of the water storage tray, so that clean water can be pumped into the water storage tray and the inside of the water collection bucket can be cleaned.

[0015] Furthermore, the output end of the motor is fixedly connected with a stirring rod;

[0016] Through the above technical solution, the output end of the motor is fixedly connected with a stirring rod, so that the added flocculant can be evenly mixed in the produced water.

[0017] Furthermore, a rotating ring is clamped on one side of the outer frame, and one side of the rotating ring is rotatably disposed on the fixed column;

[0018] Through the above technical solution, the filter screen can be separated from the filter box by rotating one side of the rotating ring disposed on the fixed column.

[0019] Furthermore, two clamping blocks are fixedly provided on one side of the rotating ring away from the fixed column, and two clamping grooves are provided on one side of the outer frame close to the clamping blocks, and the two clamping blocks are respectively clamped in the corresponding clamping grooves;

[0020] According to the technical solution, the filter screen can be installed and disassembled by respectively locking the clamping blocks in the corresponding clamping slots, so that the filter screen can be easily replaced and cleaned.

[0021] Furthermore, a groove is provided on one side of the filter box and the inner side of the outer frame, a spring is fixedly provided at the upper end of the outer frame and in the inner side of the groove, and a protrusion is fixedly connected to the upper end of the spring;

[0022] Through the above technical solution, the upper end of the spring is fixedly connected with a protrusion, so that the protrusion can be moved inside the groove under the influence of the spring, so that the filter screen is stuck inside the filter box.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model proposes an oilfield produced water filtering device, which can perform all-round cleaning of the inside of a water collection bucket through a water storage tray to ensure the cleanliness of the inside of the water collection bucket. The water storage tray is affected by the operation of a first electric telescopic rod and a second electric telescopic rod, so that the water storage tray can move up and down inside the water collection bucket, thereby performing all-round cleaning of the inside thereof, avoiding residual impurities from being left inside the water collection bucket, and preventing the accumulation of impurities, thereby improving the practicability of the device.

[0025] 2. The utility model proposes an oilfield produced water filtering device, which can clean impurities on the filter screen by arranging a detachable filter screen to prevent the impurities from clogging the filter screen and causing filtered water to overflow the filter box. By pressing the protrusion, it moves toward the inside of the groove under the influence of the spring, and then the outer frame is rotated to separate the filter screen from the filter box. Then, the outer frame is pulled to separate the filter screen from the rotating ring and clean and replace it, thereby improving the filtering effect of the device.

[0026] 3. The utility model proposes an oilfield produced water filtering device, which can fully clean the inside of the water production box to prevent the remaining impurities from clogging the sewage outlet and the particle discharge pipe. At the same time, a detachable filter screen is provided to prevent the filtered water from overflowing the filter box, thereby improving the practicability and filtering effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a stereoscopic diagram of an oilfield produced water filtering device proposed by the utility model;

[0028] Figure 2 This is a cross-sectional view of an oilfield produced water filtering device proposed by the utility model;

[0029] Figure 3 This is a schematic diagram of the filter box structure of an oilfield produced water filter device proposed by the utility model;

[0030] Figure 4 This is a schematic diagram of the filter structure of an oilfield produced water filter device proposed by the utility model;

[0031] Figure 5 for Figure 1Enlarged view of point A in the middle.

[0032] Legend:

[0033] 1. Water collection bucket; 2. Base; 3. Support legs; 4. Sewage pipe; 5. First electric telescopic rod; 6. Moving plate; 7. Second electric telescopic rod; 8. Water storage tray; 9. Support plate; 10. Motor; 11. Stirring rod; 12. Particle discharge pipe; 13. Bottom plate; 14. Fixed column; 15. Filter box; 16. Filter screen; 17. Rotating ring; 18. Outer frame; 19. Filter screen slot; 20. Groove; 21. Bump; 22. Spring; 23. Slot; 24. Block; 25. Water pump; 26. Water hole. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-5 The utility model provides an embodiment: an oilfield produced water filtering device, comprising a water collection bucket 1, a base 2 is fixedly provided at the lower end of the water collection bucket 1, and supporting legs 3 are fixedly provided at the four corners of the lower end of the base 2, and a first electric telescopic rod 5 is fixedly provided at the upper end of the base 2 near its front and rear ends, and a movable plate 6 is fixedly provided at the upper ends of the two first electric telescopic rods 5, and a second electric telescopic rod 7 is fixedly provided at the upper end of the movable plate 6 and at the front and rear ends, and a water storage tray 8 is fixedly provided at the lower ends of the two second electric telescopic rods 7, and a supporting plate 9 is fixedly provided at the upper end of the water collection bucket 1, and a motor 10 is fixedly provided at the upper end of the support plate 9, and the inside of the water collection bucket 1 can be cleaned in all directions through the water storage tray 8 to ensure the cleanliness of the inside of the water collection bucket 1, and the water storage tray 8 is affected by the operation of the first electric telescopic rod 5 and the second electric telescopic rod 7, so that the water storage tray 8 can move up and down inside the water collection bucket 1, and then the inside thereof is cleaned in all directions, so as to avoid residual impurities from being left inside the water collection bucket 1, and then prevent the accumulation of impurities, thereby improving the practicality of the device.

[0036] A bottom plate 13 is fixedly provided on one side of the water collection bucket 1, a fixing column 14 is fixedly provided on the upper end of the bottom plate 13 and close to its front end, a filter box 15 is fixedly provided on the upper end of the bottom plate 13 and close to its rear end, a filter screen 16 is detachably provided inside the filter box 15, an outer frame 18 is fixedly provided on the outer side of the filter screen 16, and a filter screen groove 19 is provided on one side of the filter box 15. By providing a detachable filter screen 16, impurities on the filter screen 16 can be cleaned to prevent impurities from clogging the filter screen 16 and causing filtered water to overflow the filter box 15. By pressing the protrusion 21, it is moved toward the inside of the groove 20 under the influence of the spring 22, and then the outer frame 18 is rotated to disengage the filter screen 16 from the filter box 15, and then the outer frame 18 is pulled to disengage the filter screen 16 from the rotating ring 17 and to clean and replace it, thereby improving the filtering effect of the device.

[0037] A sewage pipe 4 is fixedly provided near the lower end of one side of the water collection bucket 1, and a particle discharge pipe 12 is fixedly provided near the lower end of the side of the water collection bucket 1 away from the sewage pipe 4. The sewage used to clean the water collection bucket 1 can be discharged through the sewage pipe 4, and the condensed impurities can be discharged through the particle discharge pipe 12.

[0038] Multiple water holes 26 are evenly spaced on the outside of the two water storage trays 8, and water pumps 25 are fixedly installed on the upper ends of the two water storage trays 8. Through the water pumps 25 fixedly installed on the upper ends of the water storage trays 8, clean water can be pumped into the water storage trays 8 and the inside of the water collection bucket 1 can be cleaned.

[0039] The output end of the motor 10 is fixedly connected with a stirring rod 11 , and the added flocculant can be evenly mixed in the produced water by the stirring rod 11 being fixedly connected with the output end of the motor 10 .

[0040] A rotating ring 17 is clamped on one side of the outer frame 18 , and one side of the rotating ring 17 is rotatably disposed on the fixed column 14 . By rotating one side of the rotating ring 17 on the fixed column 14 , the filter screen 16 can be separated from the filter box 15 .

[0041] Two blocks 24 are fixedly provided on the side of the rotating ring 17 away from the fixed column 14, and two slots 23 are provided on the side of the outer frame 18 close to the blocks 24. The two blocks 24 are respectively stuck in the corresponding slots 23. By locking the blocks 24 in the corresponding slots 23, the filter 16 can be installed and disassembled, which is convenient for replacement and cleaning.

[0042] A groove 20 is provided on one side of the inner part of the filter box 15 and the outer frame 18. A spring 22 is fixedly provided at the upper end of the outer frame 18 and inside the groove 20. A protrusion 21 is fixedly connected to the upper end of the spring 22. The protrusion 21 is fixedly connected to the upper end of the spring 22, so that the protrusion 21 can be moved inside the groove 20 under the influence of the spring 22, thereby making the filter net 16 stuck inside the filter box 15.

[0043] Working principle: When the oilfield produced water filter device is used, first close the sewage pipe 4, then send the produced water to the inside of the water collection bucket 1, then add flocculant and start the motor 10 to make the flocculant evenly mixed in the produced water, then the produced water enters the filter box 15 from the particle discharge pipe 12, the filter screen 16 filters out the condensed particle impurities, then press the protrusion 21, so that it moves to the inside of the groove 20 under the influence of the spring 22, then rotate the outer frame 18 to make the filter screen 16 detach from the filter box 15, and then pull the outer frame 18 to make the filter screen 16 The rotating ring 17 is disengaged, cleaned and replaced to prevent impurities from clogging the filter screen 16 and causing filtered water to overflow the filter box 15. Then the particle discharge pipe 12 is closed, the sewage pipe 4 is opened, and the water pump 25 is started to pump clean water into the water storage tray 8. At the same time, the first electric telescopic rod 5 and the second electric telescopic rod 7 are started to move the water storage tray 8 up and down inside the water collection bucket 1, thereby comprehensively cleaning the inside of the water collection bucket 1 to prevent residual impurities from being left inside the water collection bucket 1, thereby preventing the accumulation of impurities, thereby improving the practicability and filtering effect of the device.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An oilfield produced water filtering device, comprising a water production bucket (1), characterized in that: The lower end of the water collection bucket (1) is fixedly provided with a base (2), and support legs (3) are fixedly provided at the four corners of the lower end of the base (2). The upper end of the base (2) is fixedly provided with a first electric telescopic rod (5) near its front and rear ends, and the upper ends of the two first electric telescopic rods (5) are fixedly provided with a moving plate (6), and the upper ends of the moving plates (6) and at the front and rear ends are fixedly provided with a second electric telescopic rod (7), and the lower ends of the two second electric telescopic rods (7) are fixedly provided with a water storage tray (8), and the upper end of the water collection bucket (1) is fixedly provided with a support plate (9), and the upper end of the support plate (9) is fixedly provided with a motor (10).

2. The oilfield produced water filtering device according to claim 1, characterized in that: A bottom plate (13) is fixedly arranged on one side of the water collection bucket (1), a fixing column (14) is fixedly arranged on the upper end of the bottom plate (13) and close to its front end, a filter box (15) is fixedly arranged on the upper end of the bottom plate (13) and close to its rear end, a filter screen (16) is detachably arranged inside the filter box (15), an outer frame (18) is fixedly arranged outside the filter screen (16), and a filter screen groove (19) is opened on one side of the filter box (15).

3. The oilfield produced water filtering device according to claim 1, characterized in that: A sewage pipe (4) is fixedly provided on one side of the water collection bucket (1) near its lower end, and a particle discharge pipe (12) is fixedly provided on the side of the water collection bucket (1) away from the sewage pipe (4) near its lower end.

4. The oilfield produced water filtering device according to claim 1, characterized in that: Multiple water holes (26) are equidistantly provided on the outside of the two water storage trays (8), and a water pump (25) is fixedly provided on the upper ends of the two water storage trays (8).

5. The oilfield produced water filtering device according to claim 1, characterized in that: The output end of the motor (10) is fixedly connected to a stirring rod (11).

6. The oilfield produced water filtering device according to claim 2, characterized in that: A rotating ring (17) is clamped on one side of the outer frame (18), and one side of the rotating ring (17) is rotatably disposed on the fixing column (14).

7. The oilfield produced water filtering device according to claim 6, characterized in that: Two clamping blocks (24) are fixedly arranged on a side of the rotating ring (17) away from the fixed column (14), and two clamping grooves (23) are provided on a side of the outer frame (18) close to the clamping blocks (24), and the two clamping blocks (24) are respectively clamped in the corresponding clamping grooves (23).

8. The oilfield produced water filtering device according to claim 2, characterized in that: A groove (20) is provided on one side of the inner part of the filter box (15) and the outer frame (18); a spring (22) is fixedly provided at the upper end of the outer frame (18) and inside the groove (20); a protrusion (21) is fixedly connected to the upper end of the spring (22).

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