Filtering device for analyzing drilling fluid sample

By designing a filtration device with a pusher plate and agitator, the problems of impurity accumulation and slow mixing speed were solved, achieving efficient filtration and thorough mixing of drilling fluid.

CN223696942UActive Publication Date: 2025-12-23PINGXIANG HUIXIN CHEM IND CO LTD
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Patent Information

Application Number
CN202423170315.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-23
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing filtration devices tend to accumulate impurities on the filter plates when filtering drilling fluid, affecting filtration efficiency and resulting in slow mixing of the treatment fluid and drilling fluid.

Method used

A filtration device including a drive motor, a push plate, and a stirring rod was designed. The motor drives the push plate to scrape impurities on the filter plate, and the stirring rod mixes the treatment fluid with the drilling fluid to ensure thorough removal and mixing of impurities.

Benefits of technology

It improves the filtration efficiency of drilling fluid, prevents impurities from accumulating and affecting filtration, and makes the treatment fluid mix with drilling fluid more quickly and thoroughly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of drilling fluid filtration, and provides a filtration device for drilling fluid sample analysis, which comprises a treatment tank, and the two connecting plates are fixedly arranged on one side of the treatment tank, and first positioning rods are movably embedded in the inner walls of the two connecting plates. During use, drilling fluid is poured into the treatment tank, impurities are filtered out through a filter plate, an external power switch of a driving motor is turned on, a rotating rod drives a plurality of push plates to rotate, and the drilling fluid is conveyed into the treatment tank; when drilling fluid is located on the filter plate, the push plates scrape the upper side of the filter plate, and when impurities in the liquid are accumulated in small holes in the filter plate, the push plates push the impurities to prevent the impurities from being accumulated to affect filtering of the liquid, so that when the drilling fluid is filtered, the impurities accumulated on the filter plate are pushed, and the filtering efficiency of the drilling fluid is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of drilling fluid filtering, in particular to a filtering device for drilling fluid sample analysis. BACKGROUND

[0002] Drilling fluid is a liquid medium used in the drilling process to cool and lubricate the drill bit, remove cuttings, maintain well stability, balance formation pressure and the like. Drilling fluid is not only an important part of drilling operations, but also directly affects drilling efficiency and safety. The composition and properties of drilling fluid depend on factors such as drilling environment, well depth, and well type.

[0003] Drilling fluid sample analysis is an important part of drilling operations, and the purpose is to evaluate the performance, quality and suitability of drilling fluid (also known as mud). The liquid properties can be analyzed by an analyzer, but when pouring into the analyzer, a filtering device is needed to remove impurities from the sample. However, some existing filtering devices filter impurities through a filter plate, but sometimes impurities will accumulate on the holes above the filter plate, affecting the filtering of drilling fluid. In addition, when filtering impurities, a treatment fluid needs to be added to the liquid for disinfection and treatment, but the fusion speed of the treatment fluid and the drilling fluid is slow. CONTENT OF THE INVENTION

[0004] The filtering device for drilling fluid sample analysis provided by the application can push the impurities accumulated on the filter plate when filtering the drilling fluid, improve the filtering efficiency of the drilling fluid, and make the liquid and the treatment fluid fully mixed together when using the device, thereby improving the practicality of the device.

[0005] In order to achieve the above purpose, the application adopts the following technical scheme: a filtering device for drilling fluid sample analysis, the device comprises:

[0006] a treatment tank;

[0007] two connecting plates fixedly arranged on one side of the treatment tank, and first positioning rods movably arranged on the inner walls of the two connecting plates;

[0008] a frame plate fixedly arranged on one side of the two first positioning rods, and two fixed rods fixedly arranged on one side of the frame plate;

[0009] a drive motor installed at one end of the two fixed rods opposite to each other, and an output shaft of the drive motor fixedly provided with a rotating rod, an external power switch of the drive motor is turned on, the two fixed rods support the drive motor, so that the drive motor is installed on the frame plate, and then the output shaft of the drive motor drives the rotating rod to rotate;

[0010] a second sleeve fixedly arranged on one side of the rotating rod, and two sliding grooves are formed in the inner walls of the second sleeve.

[0011] As a further improvement of the application: the inner wall of the chute is movably embedded with a sliding block, one side of the two sliding blocks is fixedly provided with a circular plate, one side of the circular plate is fixedly provided with a transmission rod, one side of the transmission rod is fixedly provided with a bottom plate, a plurality of push plates are fixedly arranged on the outer surface of the bottom plate, and the plurality of push plates are tightly attached to the outer surface of the filter plate. At this time, the rotating rod drives the plurality of push plates to rotate. When the drilling fluid is on the filter plate, the plurality of push plates scrape the upper side of the filter plate. When impurities accumulate on the small holes on the filter plate, the plurality of push plates push the impurities to prevent the impurities from accumulating and affecting the filtration of the liquid.

[0012] As a further improvement of the application: a plurality of square plates are fixedly arranged on the inner wall of the treatment tank, and a plurality of second positioning rods are movably embedded in the inner wall of the square plate. The filter plate is installed in the interior of the treatment tank by inserting the plurality of second positioning rods into the interior of the plurality of square plates.

[0013] As a further improvement of the application: one side of the plurality of second positioning rods is fixedly provided with a filter plate, and a connecting barrel is movably embedded in the center of one side of the filter plate. The connecting barrel is fixedly arranged on one side of the bottom plate. The threaded barrel is further removed by rotating the threaded barrel clockwise and removing it from the connecting barrel.

[0014] As a further improvement of the application: a threaded barrel is threadedly sleeved on the outer surface of the connecting barrel, and a plurality of stirring rods are fixedly arranged on the outer surface of the threaded barrel. The threaded barrel is rotated when the connecting barrel is rotated, and the plurality of stirring rods are further rotated.

[0015] As a further improvement of the application: a feeding pipe is installed on the outer surface of the treatment tank, and a connecting pipe is fixedly arranged on one side of the treatment tank. The treatment liquid is poured into the interior of the treatment tank through the feeding pipe.

[0016] As a further improvement of the application: a valve is installed on the outer surface of the connecting pipe. The valve on the connecting pipe is opened, so that the liquid flows into the analyzer through the connecting pipe.

[0017] As a further improvement of the application: a first sleeve is threadedly sleeved on the outer surface of the two first positioning rods, and a spring is fixedly arranged on one side of the circular plate. The two first sleeves are removed from the outer surface of the two first positioning rods by rotating them.

[0018] Compared with the prior art, the application has the advantages and positive effects that,

[0019] 1、The application, when filtering the drilling fluid, the drilling fluid is poured into the inside of the treatment tank through the filter plate to remove impurities, at this time the external power switch of the driving motor is opened, the two fixed rods support the driving motor, the driving motor is installed on the frame plate, and then the output shaft of the driving motor drives the rotating rod to rotate, the two sliding blocks can slide on the inner walls of the two sliding grooves respectively, the spring has elasticity, the spring extrudes the circular plate to push the bottom plate through the transmission rod, and further make the plurality of push plates tightly adhere to the outer surface of the filter plate, at this time the rotating rod drives the plurality of push plates to rotate, when the drilling fluid is on the filter plate, the plurality of push plates scrape the upper side of the filter plate, when the impurities in the liquid accumulate on the small holes of the filter plate, the plurality of push plates push the impurities to prevent the impurities from accumulating and affecting the filtration of the liquid, after the filtration is completed, the two first sleeves are removed from the outer surfaces of the two first positioning rods, and the frame plate is further removed from the two connecting plates, at this time the filter plate is taken out from the inside of the treatment tank by pulling the frame plate, and the impurities are taken out, the filter plate is cleaned, so that when filtering the drilling fluid, the impurities accumulated on the filter plate are pushed, and the drilling fluid filtration efficiency is improved.

[0020] 2、The application, when using the device, a plurality of second positioning rods are inserted into the inside of the plurality of square plates, the filter plate is installed in the inside of the treatment tank, the treatment liquid is poured into the inside of the treatment tank through the feed pipe, the connecting cylinder is rotated to drive the threaded cylinder to rotate, and further drive the plurality of stirring rods to rotate, the plurality of stirring rods stir the liquid below the filter plate when rotating, so that the two sides are fully mixed together, the threaded cylinder is taken off from the connecting cylinder by rotating the threaded cylinder clockwise, and the threaded cylinder is further taken off, the connecting pipe is installed on the analyzer, the valve on the connecting pipe is opened, and the liquid flows into the inside of the analyzer through the connecting pipe, so that when using the device, the filter plate is convenient to disassemble, the liquid and the treatment liquid can be fully mixed together, and the practicality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a side view of a filter device for drilling fluid sample analysis.

[0022] Figure 2 It is a front view of a filter device for drilling fluid sample analysis.

[0023] Figure 3 It is a sectional view of a filter device for drilling fluid sample analysis.

[0024] Figure 4 It is a sectional view of a filter device for drilling fluid sample analysis.

[0025] Figure 5A cross-sectional perspective view of a second sleeve of a filtering device for analyzing a drilling fluid sample according to the present application.

[0026] Figure 6 A cross-sectional perspective view of a second sleeve of a filtering device for analyzing a drilling fluid sample according to the present application. Figure 3 An enlarged view of A in the present application.

[0027] Legend: 1, treatment tank; 2, connecting plate; 201, first positioning rod; 202, first sleeve; 203, frame plate; 204, fixed rod; 205, drive motor; 206, rotating rod; 207, second sleeve; 208, sliding groove; 209, sliding block; 210, round plate; 211, transmission rod; 212, bottom plate; 213, push plate; 214, spring; 3, square plate; 301, second positioning rod; 302, filter plate; 303, connecting cylinder; 304, threaded cylinder; 305, stirring rod; 306, feed pipe; 307, connecting pipe. DETAILED DESCRIPTION

[0028] In order to enable a more complete understanding of the above-mentioned purposes, features and advantages of the present application, the present application will be further described below with reference to the accompanying drawings and examples. It should be noted that the examples of the present application and the features in the examples can be combined with each other without conflict.

[0029] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, and therefore the present application is not limited to the specific embodiments disclosed in the following description.

[0030] Example 1, as shown, the present application provides a filtering device for analyzing a drilling fluid sample, the device comprises: Figures 1 to 6

[0031] a treatment tank 1;

[0032] two connecting plates 2, fixedly arranged on one side of the treatment tank 1, and the inner walls of the two connecting plates 2 are movably embedded with first positioning rods 201;

[0033] a frame plate 203 fixedly arranged on one side of the two first positioning rods 201, and one side of the frame plate 203 is fixedly provided with two fixed rods 204;

[0034] a drive motor 205 mounted on the opposite end of the two fixed rods 204, and the output shaft of the drive motor 205 is fixedly provided with a rotating rod 206; turning on the external power switch of the drive motor 205, the two fixed rods 204 support the drive motor 205, so that the drive motor 205 is mounted on the frame plate 203, and then the output shaft of the drive motor 205 drives the rotating rod 206 to rotate;

[0035] ​The second sleeve 207 is fixedly arranged on one side of the rotating rod 206, and the inner wall of the second sleeve 207 is provided with two sliding grooves 208.

[0036] As shown in Figures 1 to 6 , the inner wall of the two sliding grooves 208 is movably embedded with a sliding block 209, one side of the two sliding blocks 209 is fixedly provided with a circular plate 210, one side of the circular plate 210 is fixedly provided with a transmission rod 211, one side of the transmission rod 211 is fixedly provided with a bottom plate 212, a plurality of push plates 213 are fixedly arranged on the outer surface of the bottom plate 212, and the plurality of push plates 213 are tightly attached to the outer surface of the filter plate 302. At this time, the rotating rod 206 drives the plurality of push plates 213 to rotate, and when the drilling fluid is on the filter plate 302, the plurality of push plates 213 scrape the upper side of the filter plate 302. When impurities accumulate in the small holes on the filter plate 302, the plurality of push plates 213 push the impurities to prevent the impurities from accumulating and affecting the filtration of the liquid.

[0037] As shown in Figures 1 to 6 , a plurality of square plates 3 are fixedly arranged on the inner wall of the treatment tank 1, and a plurality of second positioning rods 301 are movably embedded in the inner wall of the square plate 3. By inserting the plurality of second positioning rods 301 into the plurality of square plates 3, the filter plate 302 is installed in the interior of the treatment tank 1.

[0038] As shown in Figures 1 to 6 , a plurality of second positioning rods 301 are fixedly arranged on one side of the filter plate 302, and a connecting cylinder 303 is movably embedded in the center of one side of the filter plate 302. The connecting cylinder 303 is fixedly arranged on one side of the bottom plate 212, and the threaded cylinder 304 is further removed by rotating the threaded cylinder 304 clockwise and removing it from the connecting cylinder 303.

[0039] As shown in Figures 1 to 6 , the outer surface of the connecting cylinder 303 is threadedly provided with a threaded cylinder 304, and the outer surface of the threaded cylinder 304 is fixedly provided with a plurality of stirring rods 305. When the connecting cylinder 303 rotates, it drives the threaded cylinder 304 to rotate, and further drives the plurality of stirring rods 305 to rotate.

[0040] As shown in Figures 1 to 6 , the outer surface of the connecting cylinder 303 is threadedly provided with a threaded cylinder 304, and the outer surface of the threaded cylinder 304 is fixedly provided with a plurality of stirring rods 305. When the connecting cylinder 303 rotates, it drives the threaded cylinder 304 to rotate, and further drives the plurality of stirring rods 305 to rotate.

[0041] As shown in Figures 1 to 6 , the outer surface of the connecting cylinder 303 is threadedly provided with a threaded cylinder 304, and the outer surface of the threaded cylinder 304 is fixedly provided with a plurality of stirring rods 305. When the connecting cylinder 303 rotates, it drives the threaded cylinder 304 to rotate, and further drives the plurality of stirring rods 305 to rotate.

[0042] As shown in Figures 1 to 6As shown, the outer surface of the two first positioning rods 201 is threaded with a first sleeve 202, one side of the circular plate 210 is fixedly provided with a spring 214, and the two first sleeves 202 are removed from the outer surface of the two first positioning rods 201 by rotating.

[0043] Working principle: when filtering the drilling fluid, the drilling fluid is poured into the inside of the treatment tank 1 to filter out impurities through the filter plate 302, at this time the external power switch of the driving motor 205 is turned on, the two fixed rods 204 support the driving motor 205, so that the driving motor 205 is installed on the frame plate 203, and then the output shaft of the driving motor 205 drives the rotating rod 206 to rotate, the two sliding blocks 209 can slide on the inner walls of the two sliding grooves 208 respectively, the spring 214 has elasticity, and the spring 214 extrudes the circular plate 210 to push the bottom plate 212 through the transmission rod 211, so that the plurality of push plates 213 are further tightly attached to the outer surface of the filter plate 302, at this time the rotating rod 206 drives the plurality of push plates 213 to rotate, when the drilling fluid is on the filter plate 302, the plurality of push plates 213 scrape the upper side of the filter plate 302, when impurities accumulate in the small holes on the filter plate 302, the plurality of push plates 213 push the impurities to prevent the impurities from accumulating and affecting the filtration of the liquid, after the filtration is completed, the two first sleeves 202 are removed from the outer surface of the two first positioning rods 201 by rotating, and then the frame plate 203 is further removed from the two connecting plates 2, at this time the filter plate 302 is taken out of the inside of the treatment tank 1 by pulling the frame plate 203, and the impurities are taken out, and the filter plate 302 is cleaned, so that when filtering the drilling fluid, the impurities accumulated on the filter plate 302 are pushed, and the drilling fluid filtration efficiency is improved, when using the device, the filter plate 302 is installed in the inside of the treatment tank 1 by inserting the plurality of second positioning rods 301 into the plurality of square plates 3, the treatment liquid is poured into the inside of the treatment tank 1 through the feed pipe 306, the threaded cylinder 304 is rotated when the connecting cylinder 303 rotates, and the plurality of stirring rods 305 are further rotated, the liquid below the filter plate 302 is stirred when the plurality of stirring rods 305 rotate, so that the two sides are fully mixed together, the threaded cylinder 304 is removed from the connecting cylinder 303 by rotating it clockwise, and then the threaded cylinder 304 is removed, the connecting pipe 307 is installed on the analyzer, the valve on the connecting pipe 307 is opened, and the liquid flows into the inside of the analyzer through the connecting pipe 307, so that when using the device, the filter plate 302 is easy to disassemble, and the liquid and the treatment liquid can be fully mixed together, and the practicality of the device is improved.

[0044] The above is only the preferred embodiment of the application, and is not intended to limit the application in other forms, and any person skilled in the art can use the disclosed technical content to make changes or modifications to equivalent embodiments with equivalent changes applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the application without departing from the technical scheme of the application still falls within the protection scope of the technical scheme of the application.

Claims

1. A filtration device for use in the analysis of a sample of a drilling fluid, characterized by, The device comprises: A processing tank (1); Two connecting plates (2) are fixedly arranged on one side of the processing tank (1), and first positioning rods (201) are movably arranged on the inner walls of the two connecting plates (2); A frame plate (203) is fixedly sleeved on one side of the two first positioning rods (201), and two fixed rods (204) are fixedly arranged on one side of the frame plate (203); A driving motor (205) is installed on the opposite end of the two fixed rods (204), and a rotating rod (206) is fixedly arranged on the output shaft of the driving motor (205); A second sleeve (207) is fixedly arranged on one side of the rotating rod (206), and two sliding grooves (208) are formed in the inner walls of the second sleeve (207).

2. The filtration device for use in drilling fluid sample analysis of claim 1, wherein: Sliding blocks (209) are movably arranged on the inner walls of the two sliding grooves (208), a circular plate (210) is fixedly arranged on one side of the two sliding blocks (209), a transmission rod (211) is fixedly arranged on one side of the circular plate (210), a bottom plate (212) is fixedly arranged on one side of the transmission rod (211), and a plurality of push plates (213) are fixedly arranged on the outer surface of the bottom plate (212).

3. The filtration device for use in drilling fluid sample analysis of claim 1, wherein: A plurality of square plates (3) are fixedly arranged on the inner wall of the processing tank (1), and a plurality of second positioning rods (301) are movably arranged on the inner wall of the square plate (3).

4. The filtration device for use in drilling fluid sample analysis of claim 3, wherein: A filter plate (302) is fixedly arranged on one side of the plurality of second positioning rods (301), a connecting cylinder (303) is movably arranged at the center of one side of the filter plate (302), and the connecting cylinder (303) is fixedly arranged on one side of the bottom plate (212).

5. A filtration unit for use in the analysis of a sample of a drilling fluid as claimed in claim 4, characterised in that: A threaded cylinder (304) is threadedly sleeved on the outer surface of the connecting cylinder (303), and a plurality of stirring rods (305) are fixedly arranged on the outer surface of the threaded cylinder (304).

6. A filtration unit for use in the analysis of a sample of a drilling fluid as claimed in claim 5, characterised in that: A feeding pipe (306) is installed on the outer surface of the processing tank (1), and a connecting pipe (307) is fixedly arranged on one side of the processing tank (1).

7. A filtration unit for use in the analysis of a sample of drilling fluid as claimed in claim 6, wherein: A valve is installed on the outer surface of the connecting pipe (307).

8. The filtration unit for use in drilling fluid sample analysis of claim 2, wherein: A first sleeve (202) is threadedly sleeved on the outer surface of the two first positioning rods (201), and a spring (214) is fixedly arranged on one side of the circular plate (210).

Citation Information

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