A petroleum production filtering device

Abstract

The utility model relates to petroleum exploitation technical field discloses a kind of filtering devices for petroleum exploitation, including connecting pipe, U-shaped pipe is equipped on the connecting pipe, valve one is equipped on the U-shaped pipe on both sides of connecting pipe, cleaning pipe is equipped on the U-shaped pipe, valve two is equipped on the cleaning pipe, the utility model is compared with prior art, and the advantages are that when conducting petroleum transportation, when the impurity of one side filter screen is too much, the opening and closing of two valves one are controlled to switch conveying position, then the valve two of impurity too much side is opened, the scraper on receiving plate is moved to filter screen surface by moving mechanism, the scraper on the rotating shaft is rotated by motor one, the impurity on filter screen surface is swept, so that it falls on receiving plate, then falls into receiving cylinder, can automatically clean, simple, more convenient.

Description

Technical Field

[0001] This utility model relates to the field of oil extraction technology, specifically to an oil extraction filtration device. Background Technology

[0002] Oil extraction refers to a series of technologies for extracting oil (and associated natural gas) from underground oil and gas reservoirs. It is one of the core links in the petroleum industry. Its process requires the integration of geological exploration results and multi-stage technical cooperation to achieve the safe and efficient development of resources.

[0003] The extracted oil contains impurities such as sand and gravel, and needs to be filtered. After a period of time, the existing filter screen accumulates too many impurities, requiring manual disassembly and cleaning, which is a cumbersome and troublesome process. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] The technical problem this invention aims to solve is that when too many impurities accumulate on the surface of the filter screen, it is necessary to manually disassemble and clean it, which is a cumbersome and troublesome process.

[0006] (II) Technical Solution

[0007] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows: a filtration device for oil extraction, including a connecting pipe, a U-shaped pipe on the connecting pipe, valves on both sides of the U-shaped pipe, a cleaning pipe on the U-shaped pipe, a valve on the cleaning pipe, a filter screen inside the U-shaped pipe, a movably inserted post on the cleaning pipe, a receiving plate at one end of the insertion post, a moving mechanism for driving the receiving plate to slide on the bottom surface of the receiving plate, a rotating shaft rotatably mounted on the receiving plate, a scraper cooperating with the filter screen on the rotating shaft, and a motor for driving the rotating shaft to rotate on the bottom surface of the receiving plate.

[0008] As an improvement, the moving mechanism includes two support plates on the bottom surface of the receiving plate, a winding shaft is rotatably mounted on the support plates, a second motor is mounted on the support plates to drive the winding shaft to rotate, a ring is provided at the end of the cleaning tube, a connecting rope is wound on the winding shaft, and one end of the connecting rope passes through the receiving plate and is fixedly connected to the ring.

[0009] As an improvement, the surface of the receiving plate is tapered.

[0010] As an improvement, the receiving plate is provided with a receiving cylinder that is fixed by bolts.

[0011] As an improvement, the second valve is a ball valve and the diameter of the upper hole of the ball valve is the same as the inner diameter of the cleaning pipe.

[0012] (III) Beneficial Effects

[0013] The advantages of this utility model compared with the prior art are as follows:

[0014] By setting up a U-shaped tube, two valves, and two filter screens, when oil is being transported, if one side of the filter screen has too many impurities, the transport position is switched by controlling the opening and closing of the two valves. Then, the valve on the side with too many impurities is opened, and the scraper on the receiving plate is moved to the surface of the filter screen by the moving mechanism. The scraper on the rotating shaft is driven by motor one to rotate, sweeping away the impurities on the surface of the filter screen and causing them to fall onto the receiving plate and then into the receiving cylinder. This automatic cleaning process is simple and convenient. Attached Figure Description

[0015] Figure 1 This is a perspective view of a filtration device for petroleum extraction according to this utility model.

[0016] Figure 2 This is an exploded view of a filtration device for oil extraction according to this utility model.

[0017] Figure 3 This is a cross-sectional view of a filtration device for oil extraction according to this utility model.

[0018] As shown in the figure: 1. Connecting pipe; 2. U-shaped pipe; 3. Valve 1; 4. Cleaning pipe; 5. Valve 2; 6. Filter screen; 7. Insert post; 8. Receiving plate; 9. Moving mechanism; 10. Rotating shaft; 11. Scraper; 12. Motor 1; 13. Support plate; 14. Rewinding shaft; 15. Ring; 16. Connecting rope; 17. Receiving cylinder; 18. Motor 2. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0020] As per the instructions Figure 1 and Figure 2As shown, a filtration device for oil extraction includes a connecting pipe 1, a U-shaped pipe 2 on the connecting pipe 1, valves 3 on both sides of the U-shaped pipe 2, a cleaning pipe 4 on the U-shaped pipe 2, a valve 5 on the cleaning pipe 4, a filter screen 6 inside the U-shaped pipe 2, a movably inserted post 7 on the cleaning pipe 4, a receiving plate 8 at one end of the post 7, a moving mechanism 9 on the bottom surface of the receiving plate 8 for driving the receiving plate 8 to slide, a rotating shaft 10 rotatably mounted on the receiving plate 8, a scraper 11 on the rotating shaft 10 that cooperates with the filter screen 6, and a motor 12 on the bottom surface of the receiving plate 8 for driving the rotating shaft 10 to rotate.

[0021] Connecting pipe 1 and U-shaped pipe 2 are respectively connected to external pipelines. Oil enters through connecting pipe 1 and then flows out from one of the openings of U-shaped pipe 2. Impurities are blocked on the surface of filter screen 6. When there are many impurities on the surface of filter screen 6, open valve 3 on the other side and then close valve 3 on this side. The oil then flows out from the other side, is filtered by filter screen 6 on the other side, and will not affect the delivery of oil. Then open valve 5 on this side. To prevent too much oil from remaining in U-shaped pipe 2, it is possible to connect the U-shaped pipe to the U-shaped pipe. An electromagnetic valve is installed on the pipe connected to pipe 2, so that only a portion of the oil flows out when cleaning impurities. Then, the moving mechanism 9 moves the receiving plate 8 upward, so that the scraper 11 is in contact with the surface of the filter screen 6. Then, the motor 12 is started, and the motor 12 drives the rotating shaft 10 to rotate, thereby driving the scraper 11 to scrape off the impurities on the surface of the filter screen 6. The impurities fall onto the receiving plate 8. After cleaning is completed, the moving mechanism 9 drives the receiving plate 8 to reset, the motor 12 is turned off, and the valve 25 is closed. When there are too many impurities on the other side, the above steps are repeated.

[0022] As per the instructions Figure 2 and Figure 3 As shown, the moving mechanism 9 includes two support plates 13 on the bottom surface of the receiving plate 8. A winding shaft 14 is rotatably mounted on the support plate 13. A second motor 18 is mounted on the support plate 13 to drive the winding shaft 14 to rotate. A ring 15 is provided at the end of the cleaning tube 4. A connecting rope 16 is wound on the winding shaft 14. One end of the connecting rope 16 passes through the receiving plate 8 and is fixedly connected to the ring 15. When the receiving plate 8 needs to be moved upward, the second motor 18 is started. The second motor 18 drives the winding shaft 14 to wind up, and the connecting rope 16 becomes shorter, thereby driving the receiving plate 8 to move upward. When resetting, the second motor 18 drives the winding shaft 14 to reverse, and the connecting rope 16 becomes longer. Under the weight of the receiving plate 8 itself, it moves downward and resets.

[0023] The surface of the receiving plate 8 is conical, which facilitates the falling of impurities and prevents them from accumulating on the receiving plate 8.

[0024] The receiving plate 8 is equipped with a receiving cylinder 17 fixed by bolts to collect impurities and oil;

[0025] The valve 5 is a ball valve and the diameter of the upper hole of the ball valve is the same as the inner diameter of the cleaning pipe 4. This will not block the entry of the scraper 11. The ball valve is existing technology, so it is not shown in the attached drawings and will not be described in detail here.

[0026] In practical use, when there are too many impurities on one side of the filter screen 6, first open the valve 3 on the other side, then close the valve 3 on one side, and then open the valve 5. The scraper 11 is moved to the surface of the filter screen 6 by the moving mechanism 9. The scraper 11 on the rotating shaft 10 is rotated by the motor 12 to scrape off the impurities on the surface of the filter screen 6. The impurities fall onto the receiving plate 8 and then into the receiving cylinder 17. Then the receiving plate 8 is reset by the moving mechanism 9, and the valve 5 is closed to complete the cleaning of impurities.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

[0029] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A filtration device for oil extraction, comprising a connecting pipe (1), characterized in that: The connecting pipe (1) is provided with a U-shaped pipe (2), and valves (3) are provided on both sides of the connecting pipe (1) on the U-shaped pipe (2). The U-shaped pipe (2) is provided with a cleaning pipe (4), and valves (5) are provided on the cleaning pipe (4). A filter screen (6) is provided inside the U-shaped pipe (2). A plug (7) is movably inserted into the cleaning pipe (4). A receiving plate (8) is provided at one end of the plug (7). A moving mechanism (9) for driving the receiving plate (8) to slide is provided on the bottom surface of the receiving plate (8). A rotating shaft (10) is provided on the receiving plate (8). A scraper (11) that cooperates with the filter screen (6) is provided on the rotating shaft (10). A motor (12) for driving the rotating shaft (10) to rotate is provided on the bottom surface of the receiving plate (8).

2. The oil extraction filtration device according to claim 1, characterized in that: The moving mechanism (9) includes two support plates (13) on the bottom surface of the receiving plate (8). A winding shaft (14) is rotatably mounted on the support plate (13). A second motor (18) is mounted on the support plate (13) to drive the winding shaft (14) to rotate. A ring (15) is provided at the end of the cleaning tube (4). A connecting rope (16) is wound on the winding shaft (14). One end of the connecting rope (16) passes through the receiving plate (8) and is fixedly connected to the ring (15).

3. The oil extraction filtration device according to claim 1, characterized in that: The surface of the receiving plate (8) is conical.

4. The oil extraction filtration device according to claim 1, characterized in that: The receiving plate (8) is provided with a receiving cylinder (17) fixed by bolts.

5. The oil extraction filtration device according to claim 1, characterized in that: The valve 2 (5) is a ball valve and the diameter of the upper hole of the ball valve is the same as the inner diameter of the cleaning pipe (4).

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