Oil field filtering device

By introducing vibrating motor drive filter vibration and scraper cleaning into the oil field filtration device, combined with the inverted funnel filter design, the problem of filter barrel blockage is solved, automatic cleaning and stable filtration is achieved, and the operation stability and filtration efficiency of the equipment are improved.

CN223287723UActive Publication Date: 2025-09-02YANCHANG OIL FIELD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422599391.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-09-02
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The existing oil field filtration devices lack automatic cleaning function, which leads to clogging of the filter barrel after long-term use, affecting the operation of the device.

Method used

The vibrating motor is used to drive the filter to vibrate and is equipped with a scraper to scrape the attached mud and sand. Combined with the inverted funnel-shaped filter design and spring support structure, the filter is automatically cleaned and stable filtration.

Benefits of technology

Effectively prevent filter clogging, maintain filtering effect, improve equipment stability and filtration efficiency, extend equipment life and reduce maintenance costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223287723U_ABST
    Figure CN223287723U_ABST
Patent Text Reader

Abstract

The utility model provides an oil field filtering device which comprises a tank body, a filter screen is connected inside the tank body in a sliding mode, one end of the filter screen is fixedly connected with a connecting rod, one end of the connecting rod is fixedly connected with a vibration motor, the vibration motor and one end of the tank body are fixedly connected with a spring support, and one end of the filter screen is connected with a scraping plate in a sliding mode. One end of the tank body is fixedly connected with a stirring motor, one end of a power output shaft of the stirring motor is provided with a plurality of buffer grooves, one ends of the buffer grooves and the scraper blade are fixedly connected with springs III, one end of the scraper blade is slidably connected to the buffer grooves, one end of the stirring motor is rotatably connected with a limiting ring, and a limiting ring is fixedly connected in the tank body; sediment in crude oil can be filtered out through the filter screen, the rotating scraper blade can scrape away the sediment attached to the lower portion of the filter screen in the filtering process to keep the filter screen smooth, meanwhile, the vibration motor drives the filter screen to vibrate through the connecting rod at set intervals, vibration cleaning can be conducted, the filter screen is further prevented from being blocked, and the filtering effect is kept.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of oil field oil production and filtering, in particular to an oil field filtering device. Background Art

[0002] Filtration is crucial during oil extraction, primarily for removing impurities, improving product quality, extending equipment life, and reducing maintenance costs. Filtration removes impurities and particles. During the oil refining process, variations in raw oil, processing techniques, and various other factors can lead to the inclusion of various particles and impurities. If these particles and impurities are not promptly removed, they can affect product quality and stability, while also accelerating equipment wear and aging. Oil refining filters, through their filter elements, remove these particles and impurities, resulting in a purer and more stable product.

[0003] After searching, the Chinese patent publication number CN216703552U discloses an oil field oil production filtering device, including a working barrel, the lower end of one side of the working barrel is fixedly connected to the upper end of one side of a rectangular plate, the lower part of one side of the rectangular plate is fixedly connected to the motor, the output shaft of the motor is fixedly connected to the center of pulley one, the pulley one is connected to pulley two through belt one, and the center of the pulley one is fixedly connected to the lower end of the circular shaft.

[0004] Aiming at the problem that the above-mentioned technology lacks the function of automatically cleaning the filter barrel, which causes the filter barrel to be blocked during long-term use and affects the operation of the device; therefore, an oilfield filtering device is proposed. Utility Model Content

[0005] In view of this, the embodiments of the present invention hope to provide an oilfield filtering device to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0006] The technical solution of the embodiment of the utility model is achieved as follows: it includes a tank body, a filter screen is slidably connected to the inside of the tank body, one end of the filter screen is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a vibration motor, the vibration motor and one end of the tank body are fixedly connected to a spring bracket, and one end of the filter screen is slidably connected to a scraper.

[0007] In some embodiments, one end of the tank body is fixedly connected to a stirring motor, one end of the power output shaft of the stirring motor is provided with multiple buffer grooves, the buffer groove and one end of the scraper are fixedly connected with a spring three, one end of the scraper is slidingly connected to the buffer groove, and one end of the stirring motor is rotatably connected to a limiting ring.

[0008] In some embodiments, a limiting ring is fixedly connected to the interior of the tank body, and a second spring is fixedly connected to the limiting ring and the lower side of the filter.

[0009] In some embodiments, one end of the filter is fixedly connected to a swing bracket, one end of the swing bracket is slidably connected to the slot of the limit ring, and the swing bracket and one end of the limit ring are fixedly connected to a spring.

[0010] In some embodiments, a feed port is fixedly connected to one end of the tank body, a suction hood is fixedly connected above the limiting ring, and a discharge port is fixedly connected to one end of the suction hood.

[0011] In some embodiments, a protective tube is fixedly connected to one end of the suction hood and the tank body.

[0012] In some embodiments, a slag outlet is fixedly connected to the lower end of the tank body.

[0013] In some embodiments, an external heating component is fixedly connected to the outside of the tank body, a plurality of heating rods are fixedly connected to the inside of the tank body, and a plurality of stirring paddles are fixedly connected to the power output end of the stirring motor.

[0014] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0015] 1. An oilfield filtering device can filter out the sediment in the crude oil through the filter screen. During the filtering process, the rotating scraper can scrape off the sediment attached to the bottom of the filter screen to keep the filter screen unobstructed. At the same time, the vibration motor drives the filter screen to vibrate through the connecting rod at regular intervals, which can perform vibration cleaning, further prevent the filter screen from being blocked, and maintain the filtering effect.

[0016] 2. An oilfield filtration device that uses an inverted funnel-shaped filter screen to allow the cleaned sediment to accumulate at the bottom of the device. After a certain amount of sediment has accumulated, the valve at the lower slag outlet is opened to discharge the sediment from below.

[0017] 3. An oilfield filtering device has the advantages that springs 1 and 2 can allow the filter to shake when the vibration motor drives the filter to vibrate, and spring 2 can fix the filter upward when not vibrating, making it more stable during filtering.

[0018] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 This is the main structural diagram of the utility model;

[0021] Figure 2 This is the internal structure diagram of the utility model;

[0022] Figure 3 This is a cross-sectional structural diagram of the upper side of the present utility model;

[0023] Figure 4 This is a partial structural diagram of the filter plate of the present utility model;

[0024] Figure 5 This is a partial structural diagram of the scraper of the present utility model;

[0025] Figure 6 This is a partial structural diagram of the vibration motor of the present utility model.

[0026] Reference numerals:

[0027] 1. Tank body; 2. Feed inlet; 3. Discharge port; 4. External heating component; 5. Slag outlet; 6. Suction hood; 7. Filter; 8. Stirring motor; 9. Vibration motor; 10. Protective tube; 11. Stirring paddle; 12. Heating rod; 13. Scraper; 14. Limiting ring; 15. Swing bracket; 16. Spring 1; 17. Spring 2; 18. Limiting ring; 19. Buffer groove; 20. Spring 3; 21. Spring bracket; 22. Connecting rod. DETAILED DESCRIPTION

[0028] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0029] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] Example 1:

[0031] like Figure 1-6As shown, an oilfield filtering device includes a tank body 1, characterized in that: a filter screen 7 is slidably connected to the inside of the tank body 1, one end of the filter screen 7 is fixedly connected to a connecting rod 22, one end of the connecting rod 22 is fixedly connected to a vibration motor 9, the vibration motor 9 and one end of the tank body 1 are fixedly connected to a spring bracket 21, and one end of the filter screen 7 is slidably connected to a scraper 13;

[0032] One end of the tank body 1 is fixedly connected to the feed port 2, the upper portion of the limiting ring 14 is fixedly connected to the suction hood 6, and one end of the suction hood 6 is fixedly connected to the discharge port 3;

[0033] When the device is in use, crude oil enters from the bottom, and an external oil pump is provided at one end of the discharge port 3 to extract the crude oil from the top. During the extraction process, the inverted funnel-shaped filter screen 7 can filter out the sediment in the crude oil, and during the filtering process, the rotating scraper 13 can scrape off the sediment attached to the bottom of the filter screen 7 to keep the filter screen 7 unobstructed. The scraped sediment will slowly fall and accumulate at the bottom of the device;

[0034] At the same time, the vibration motor 9 drives the filter screen 7 to vibrate through the connecting rod 22 at regular intervals, which can perform vibration cleaning, further prevent the filter screen 7 from being blocked, and maintain the filtering effect.

[0035] In this embodiment, one end of the tank body 1 is fixedly connected to a stirring motor 8, one end of the power output shaft of the stirring motor 8 is provided with a plurality of buffer grooves 19, the buffer grooves 19 and one end of the scraper 13 are fixedly connected with a spring 3 20, one end of the scraper 13 is slidably connected to the buffer groove 19, and one end of the stirring motor 8 is rotatably connected to a limit ring 18;

[0036] When the filter screen 7 vibrates, the scraper 13 can move up and down under the support of the spring 3 20 to prevent damage.

[0037] In this embodiment, the interior of the tank body 1 is fixedly connected to a limiting ring 14, and a second spring 17 is fixedly connected to the limiting ring 14 and the lower side of the filter screen 7; one end of the filter screen 7 is fixedly connected to a swing bracket 15, and a plurality of waist holes are opened in the limiting ring 14. One end of the swing bracket 15 is slidably connected to the groove of the limiting ring 14, and a first spring 16 is fixedly connected to the swing bracket 15 and one end of the limiting ring 14;

[0038] When the vibration motor 9 is working to drive the filter 7 to vibrate, the spring 16 and the spring 2 17 can make the filter shake, and when not vibrating, the spring 2 17 can fix the filter 7 upward to make it more stable during filtering.

[0039] In this embodiment, the suction hood 6 and one end of the tank body 1 are fixedly connected with a protective tube 10, which can prevent the connecting rod 22 from getting stuck when vibrating. At the same time, a flexible sealing rubber sleeve is provided above the protective tube 10 and connected to the upper end of the connecting rod 22.

[0040] In this embodiment, when the device is in use, crude oil enters from the bottom, and an external oil pump is provided at one end of the discharge port 3 to extract the crude oil from the top. During the extraction process, the inverted funnel-shaped filter screen 7 can filter out the sediment in the crude oil, and during the filtering process, the rotating scraper 13 can scrape off the sediment attached to the bottom of the filter screen 7 to keep the filter screen 7 unobstructed. The scraped sediment will slowly fall and accumulate at the bottom of the device.

[0041] At the same time, the vibration motor 9 drives the filter screen 7 to vibrate through the connecting rod 22 at regular intervals, which can perform vibration cleaning, further preventing the filter screen 7 from being blocked and maintaining the filtering effect;

[0042] When the filter screen 7 vibrates, the scraper 13 can move up and down under the support of the spring 3 20 to prevent damage;

[0043] When the vibration motor 9 is working to drive the filter 7 to vibrate, the spring 16 and the spring 2 17 can allow the filter to shake, and when not vibrating, the spring 2 17 can fix the filter 7 upward to make it more stable during filtering. The protective tube 10 can prevent the connecting rod 22 from getting stuck when vibrating. At the same time, a flexible sealing rubber sleeve is provided above the protective tube 10 and connected to the upper end of the connecting rod 22.

[0044] Example 2:

[0045] An oilfield filtering device, this embodiment makes the following improvements on the basis of embodiment 1, such as Figure 1-6 As shown,

[0046] In this embodiment, a slag outlet 5 is fixedly connected to the lower end of the tank body 1. The slag outlet 5 is located at the bottom and has a valve at the bottom. The valve can be opened to discharge silt from the bottom after a certain amount of silt accumulates.

[0047] In this embodiment, an external heating component 4 is fixedly connected to the outside of the tank body 1, a plurality of heating rods 12 are fixedly connected to the inside of the tank body 1, and a plurality of stirring paddles 11 are fixedly connected to the power output end of the stirring motor 8. The external heating component 4 and the heating rods 12 can heat the crude oil from the inside and outside to improve the fluidity. At the same time, the stirring paddles 11 are located at the bottom and can rotate to make the crude oil temperature more uniform.

[0048] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. An oilfield filtering device, comprising a tank body (1), characterized in that: A filter screen (7) is slidably connected inside the tank body (1), one end of the filter screen (7) is fixedly connected to a connecting rod (22), one end of the connecting rod (22) is fixedly connected to a vibration motor (9), the vibration motor (9) and one end of the tank body (1) are fixedly connected to a spring bracket (21), and one end of the filter screen (7) is slidably connected to a scraper (13).

2. The oilfield filtering device according to claim 1, characterized in that: One end of the tank body (1) is fixedly connected to a stirring motor (8), one end of the power output shaft of the stirring motor (8) is provided with a plurality of buffer grooves (19), the buffer grooves (19) and one end of the scraper (13) are fixedly connected to a spring three (20), one end of the scraper (13) is slidably connected to the buffer groove (19), and one end of the stirring motor (8) is rotatably connected to a limit ring (18).

3. The oilfield filtering device according to claim 2, characterized in that: A limiting ring (14) is fixedly connected inside the tank body (1), and a second spring (17) is fixedly connected between the limiting ring (14) and the lower side of the filter screen (7).

4. The oilfield filtering device according to claim 3, characterized in that: One end of the filter screen (7) is fixedly connected to a swing bracket (15), one end of the swing bracket (15) is slidably connected to the slot of the limiting ring (14), and one end of the swing bracket (15) and the limiting ring (14) is fixedly connected to a spring (16).

5. The oilfield filtering device according to claim 4, characterized in that: One end of the tank body (1) is fixedly connected to a feed port (2), a suction hood (6) is fixedly connected above the limiting ring (14), and one end of the suction hood (6) is fixedly connected to a discharge port (3).

6. The oilfield filtering device according to claim 5, characterized in that: The suction hood (6) and one end of the tank body (1) are fixedly connected with a protective tube (10).

7. The oilfield filtering device according to claim 6, characterized in that: The lower end of the tank body (1) is fixedly connected with a slag outlet (5).

8. The oilfield filtering device according to claim 7, characterized in that: The outer side of the tank body (1) is fixedly connected to an external heating component (4), the inside of the tank body (1) is fixedly connected to a plurality of heating rods (12), and the power output end of the stirring motor (8) is fixedly connected to a plurality of stirring paddles (11).

Citation Information

Patent Citations

  • Oil field oil extraction filtering device

    CN216703552U