Anti-blocking sewage filtering device for oilfield development

By introducing a cleaning mechanism and fiber balls into the wastewater filtration device for oilfield development, the problem of easy clogging of filter plates was solved, and a highly efficient wastewater filtration effect was achieved.

CN223945213UActive Publication Date: 2026-02-27YANCHANG OIL FIELD
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Patent Information

Application Number
CN202520573013.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-29
Publication Date
2026-02-27
Estimated Expiration
2035-03-29

AI Technical Summary

Technical Problem

Existing wastewater filtration devices used in oilfield development have unsatisfactory scraper cleaning effects, which easily leads to clogging of the filter plates and reduces the effectiveness of the devices.

Method used

A wastewater filtration device including a cleaning mechanism was designed. By setting up a scraper and a cleaning brush to work together, the scraper drives the cleaning brush through a compression spring to clean the filter cylinder and filter plate, and combined with fiber balls for secondary filtration to prevent clogging.

Benefits of technology

It effectively cleans impurities from the filter cartridge and filter plate, prevents clogging of the device, and improves the effect and efficiency of sewage filtration.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oilfield development, in particular to an anti-blocking sewage filtering device for oilfield development, which comprises a filtering tank, a cover plate is mounted at the top end of the filtering tank, a filtering plate is fixedly connected to the middle of the inner wall of the filtering tank, and a cleaning mechanism is arranged on the inner wall of the filtering tank; by arranging the cleaning mechanism, sewage is filtered through a filter cartridge and a filter plate, a first scraping plate is matched with a first cleaning brush through a compression spring to be attached to the outer wall of the filter cartridge, and a brush on the first cleaning brush can be inserted into a filter hole of the filter cartridge to clean blocked impurities; a second cleaning brush can clean impurities on the outer wall of the filter cylinder through cooperation with a second scraping plate, a second cleaning brush can clean impurities blocked on the filter plate through a brush at the bottom end, a third scraping plate is attached to the inner wall of the filter cylinder to clean impurities on the inner wall of the filter cylinder, and the filter cylinder and the filter plate can be effectively cleaned; the filtering device is prevented from being blocked.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oilfield development technical field especially relates to a prevent type sewage filter device for oilfield development. BACKGROUND

[0002] After an oil-bearing structure is found to have industrial oil and gas flow through preliminary exploration, detailed exploration and gradual development will be carried out immediately. Oilfield development is based on detailed exploration results and necessary production development tests. Oilfield development will produce oil and sewage, which needs to be filtered by a sewage filter device.

[0003] After searching Chinese patent "a prevent type sewage filter device for oilfield development", announcement number "CN221906056U", the patent installs the stirring device in the shell, when the sewage enters the shell from the feed inlet, the motor drives the stirring rod to rotate, stirs the sewage, the outer side of the stirring rod is fixedly connected with the scraper, the outer side surface of the scraper is in close contact with the inner side surface of the shell, the bottom surface of the top cover and the first filter plate, which facilitates scraping the dirt adhered to the surface of the shell and the first filter screen, and avoids blockage. The device drives the scraper to scrape the inner side surface of the shell, the bottom surface of the top cover and the first filter plate while the stirring rod rotates driven by the motor, but when the first filter plate is scraped by the scraper, the mud and organic matter in the oilfield are easy to block in the filter hole of the filter plate, the cleaning effect of the scraper on the mud is not ideal, it is not convenient to effectively prevent the sewage filter device from being blocked, and the use effect of the device is reduced.

[0004] Therefore, a prevent type sewage filter device for oilfield development is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims to solve the above problems and provides a prevent type sewage filter device for oilfield development, which improves the problem of inconvenient effective prevention of the sewage filter device from being blocked.

[0006] The utility model discloses a kind of sewage filtering devices for oilfield development with anti-plugging, including filter tank, the top of the filter tank is equipped with cover plate, the middle part of the inner wall of the filter tank is fixedly connected with filter plate, the inner wall of the filter tank is provided with cleaning mechanism;Among them, the cleaning mechanism includes filter cartridge fixedly connected to the top of filter plate, the inner wall of the filter tank is rotatably connected with rotating rod, the both sides of the rotating rod are fixedly connected with first scraper, the inner wall of the first scraper is slidably connected with first cleaning brush, a plurality of evenly distributed compression springs are arranged between the side of the first cleaning brush and the first scraper, the outer wall of the first cleaning brush and filter cartridge is attached, the first scraper is driven by compression spring, and the first cleaning brush can clean the impurities blocked in filter cartridge, the brush of the side of the first cleaning brush can be inserted into the filter hole of filter cartridge, to prevent the device from being blocked.

[0007] Preferably, the cleaning mechanism further includes two second scrapers fixedly connected to the inner wall of the first scraper, the two second scrapers are respectively arranged on the two sides of the first cleaning brush, and the outer wall of the second scraper is attached to the filter cartridge. When the first cleaning brush cleans the filter cartridge, the second scraper can clean the impurities on the outer wall of the filter cartridge.

[0008] Preferably, the bottom end of the first scraper is fixedly connected with a second cleaning brush, the second cleaning brush is attached to the top end of the filter plate, and the second cleaning brush can clean the impurities on the filter plate through the brush at the bottom, thereby improving the filtering effect of the device.

[0009] Preferably, the outer wall of the rotating rod is fixedly connected with two third scrapers, the third scrapers are attached to the inner wall of the filter cartridge, and the third scrapers can clean the impurities on the inner wall of the filter cartridge to prevent the filter cartridge from being blocked.

[0010] Preferably, the third scraper is arranged at the bottom end of the first scraper, and the third scraper and the first scraper are interlaced with each other. The third scraper and the first scraper can improve the filtering effect of the filter cartridge on sewage.

[0011] Preferably, the top end of the cover plate is fixedly installed with a motor, and the output shaft at one end of the motor is fixedly connected with the rotating rod. The motor can drive the rotating rod to rotate to rotate the first scraper and the third scraper.

[0012] Preferably, the middle part of the inner wall of the filter tank is slidably connected with a mounting plate, and the inner wall of the mounting plate is provided with fiber balls. The fiber balls in the mounting plate can effectively filter sewage.

[0013] The utility model has the beneficial effects that:

[0014] 1. By setting the cleaning mechanism, sewage is filtered by the filter cartridge and filter plate, the first scraper is matched with the first cleaning brush by the compression spring and adheres to the outer wall of the filter cartridge, the brush on the first cleaning brush can insert into the filter hole of the filter cartridge to clean the blocked impurities, and the second scraper can clean the impurities on the outer wall of the filter cartridge, the second cleaning brush can clean the blocked impurities on the filter plate by the brush at the bottom, the third scraper adheres to the inner wall of the filter cartridge to clean the impurities on the inner wall of the filter cartridge, the first cleaning brush and the second cleaning brush are made of nylon material, which can reduce the adhesion of oil stains, can effectively clean the filter cartridge and filter plate, and prevent the filter device from being blocked.

[0015] 2. By setting the fiber ball, after the sewage is filtered by the filter cartridge and filter plate, it falls into the mounting plate, the mounting plate is a filter screen structure and can filter the impurities in the sewage, the fiber ball on the inner wall of the mounting plate can effectively filter the impurities in the sewage, the mounting plate can be pulled to the side to open, and the impurities on the mounting plate and the fiber ball can be cleaned to effectively filter the sewage and improve the use effect of the device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the appearance structure schematic view of the utility model;

[0017] Figure 2 It is the cleaning mechanism structure schematic view of the utility model;

[0018] Figure 3 It is the cleaning mechanism half cut structure schematic view of the utility model;

[0019] Figure 4 It is Figure 3 The enlarged view of A;

[0020] Figure 5 It is the cleaning mechanism local structure schematic view of the utility model.

[0021] In the drawing: 1, filter tank; 2, cover plate; 3, filter plate; 4, cleaning mechanism; 401, filter cartridge; 402, rotating rod; 403, first scraper; 404, first cleaning brush; 405, compression spring; 406, second scraper; 407, second cleaning brush; 408, third scraper; 409, motor; 410, mounting plate; 411, fiber ball. DETAILED DESCRIPTION

[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] In specific implementation, as shown in the drawings, Figures 1-5 A kind of sewage filtering device for oilfield development with anti-plug is shown, filter tank 1, the top end of filter tank 1 is equipped with cover plate 2, the middle part of the inner wall of filter tank 1 is fixedly connected with filter plate 3, the inner wall of filter tank 1 is provided with cleaning mechanism 4;Among them, cleaning mechanism 4 includes filter cartridge 401 fixedly connected to the top end of filter plate 3, the inner wall of filter tank 1 is rotatably connected with rotating rod 402, the both sides of rotating rod 402 are fixedly connected with first scraper 403, the inner wall of first scraper 403 is slidably connected with first cleaning brush 404, a plurality of evenly distributed compression springs 405 are arranged between the side of first cleaning brush 404 and first scraper 403, first cleaning brush 404 is attached to the outer wall of filter cartridge 401, when first scraper 403 rotates, it can drive first cleaning brush 404 to rotate along the outer wall of filter cartridge 401, the brush on the side of first cleaning brush 404 can extend into the filter hole of filter cartridge 401 to clean the impurities inside, so that the filter cartridge 401 can be prevented from being blocked.

[0024] As shown in the drawings, Figure 2 , Figure 3 , Figure 4 Cleaning mechanism 4 also includes two second scrapers 406 fixedly connected to the inner wall of first scraper 403, two second scrapers 406 are arranged on the both sides of first cleaning brush 404, second scraper 406 is attached to the outer wall of filter cartridge 401, the bottom end of first scraper 403 is fixedly connected with second cleaning brush 407, second cleaning brush 407 is attached to the top end of filter plate 3, the outer wall of rotating rod 402 is fixedly connected with two third scrapers 408, third scraper 408 is attached to the inner wall of filter cartridge 401, third scraper 408 is arranged at the bottom end of first scraper 403, third scraper 408 and first scraper 403 are staggered, when rotating rod 402 drives first scraper 403 to rotate, the impurities blocked on the outer wall of filter cartridge 401 are cleaned by first cleaning brush 404, and then the impurities are removed in cooperation with second scraper 406, third scraper 408 can clean the inner wall of filter cartridge 401, first cleaning brush 404 and third scraper 408 can prevent filter cartridge 401 from being blocked, second cleaning brush 407 can clean the impurities on filter plate 3, so that the sewage filtering device can be prevented from being blocked, and the filtering effect of the device is improved.

[0025] As shown in the drawings, Figure 5The top end of the cover plate 2 is fixedly provided with a motor 409, the output shaft of one end of the motor 409 is fixedly connected with the rotating rod 402, the middle part of the inner wall of the filter tank 1 is slidably connected with a mounting plate 410, the inner wall of the mounting plate 410 is provided with a fiber ball 411, the mounting plate 410 and the fiber ball 411 can cooperate to perform secondary filtration on sewage filtered by the filter plate 3 and the filter cartridge 401, the fiber ball 411 can filter oil sewage, the mounting plate 410 can also be pulled to one side to be opened and cleaned, and the sewage can be effectively filtered.

[0026] In use, sewage enters the filter cartridge 401 through the water inlet pipe on the cover plate 2, the motor 409 is started by the controller to drive the rotating rod 402 to rotate, the rotating rod 402 drives the first scraper 403 and the third scraper 408 to rotate, the first cleaning brush 404 and the compression spring 405 cooperate to clean the outer wall of the filter cartridge 401 when the first scraper 403 rotates, the second scraper 406 and the second cleaning brush 407 rotate with the first scraper 403, the second scraper 406 cleans the outer wall of the filter cartridge 401, the second cleaning brush 407 cleans the filter plate 3, and the third scraper 408 cleans impurities on the inner wall of the filter cartridge 401, filtered sewage falls on the mounting plate 410 through the filter plate 3, and the mounting plate 410 and the fiber ball 411 filter the sewage, and the filtered sewage is discharged through the drain pipe.

[0027] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand 。

Claims

1. A plug-type sewage filter for oilfield development, characterized in that, Include: Filtering tank (1), the top end of the filtering tank (1) is installed with cover plate (2), the middle part of the inner wall of the filtering tank (1) is fixedly connected with filter plate (3), the inner wall of the filtering tank (1) is provided with cleaning mechanism (4); Wherein, the cleaning mechanism (4) includes filter drum (401) fixedly connected to the top end of the filter plate (3), the inner wall of the filtering tank (1) is rotatably connected with rotating rod (402), the two sides of the rotating rod (402) are fixedly connected with first scraper (403), the inner wall of the first scraper (403) is slidably connected with first cleaning brush (404), a plurality of uniformly distributed compression springs (405) are arranged between one side of the first cleaning brush (404) and the first scraper (403), and the first cleaning brush (404) is attached to the outer wall of the filter drum (401).

2. The filter device according to claim 1, wherein: The cleaning mechanism (4) further includes two second scrapers (406) fixedly connected to the inner wall of the first scraper (403), the two second scrapers (406) are respectively arranged on the two sides of the first cleaning brush (404), and the second scraper (406) is attached to the outer wall of the filter drum (401).

3. The filter device according to claim 1, wherein: The bottom end of the first scraper (403) is fixedly connected with the second cleaning brush (407), and the second cleaning brush (407) is attached to the top end of the filter plate (3).

4. The filter device according to claim 1, wherein: The outer wall of the rotating rod (402) is fixedly connected with two third scrapers (408), and the third scraper (408) is attached to the inner wall of the filter drum (401).

5. The plug-resistant oilfield development sewage filtering device according to claim 4, characterized in that: The third scraper (408) is arranged at the bottom end of the first scraper (403), and the third scraper (408) and the first scraper (403) are staggered.

6. The plug-resistant oilfield development sewage filtering device of claim 1, wherein: The top end of the cover plate (2) is fixedly installed with motor (409), and the output shaft at one end of the motor (409) is fixedly connected with the rotating rod (402).

7. The plug-resistant oilfield development sewage filtering device of claim 1, wherein: The middle part of the inner wall of the filter tank (1) is slidably connected with a mounting plate (410), and the inner wall of the mounting plate (410) is provided with fiber balls (411) 。

Citation Information

Patent Citations

  • Anti-blocking sewage filtering device for oilfield development

    CN221906056U