Quantitative feeding device for temporary plugging fracturing

Abstract

The utility model relates to the technical field of feeding devices, in particular to a quantitative feeding device for temporary plugging fracturing, which comprises a fixed box, a storage box is mounted at the upper end in the fixed box, a bottom plate is slidably mounted at the lower end in the fixed box, and a lifting mechanism is arranged at the bottom in the fixed box. A telescopic cylinder is slidably connected between the bottom plate and the storage box, a moving mechanism is arranged at the top of the bottom plate, the lifting mechanism is arranged to adjust the dosage of a temporary plugging agent in the telescopic cylinder, and the moving mechanism is arranged to drive the telescopic cylinder to slide for blanking. The threaded rod, the sliding rod and the bottom plate are matched to realize sliding of the outer cylinder and the rotating plate, so that adjustment of the size of a cavity among the inner cylinder, the outer cylinder and the rotating plate is realized, manual observation is not needed, manpower is saved, and the dosage accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a feeding device technical field, concretely is a kind of quantitative feeding device for temporary plugging fracturing. BACKGROUND

[0002] In the process of oil exploitation, temporary plugging agent mainly utilizes its physical or chemical change under certain conditions, temporarily plugs pore or fracture, to achieve the purpose of controlling fluid flow, prevent oil and water mixing, improve oil recovery efficiency.

[0003] Through the search, China patent discloses a kind of temporary plugging fracturing is used temporary plugging agent quantitative feeding device (CN221643930U), by the intercoordination of rotating shaft, stirring rod, baffle, sliding plate, threaded rod, fixed block and bevel block, the inclination of feeding device is discharged, need not hand lifting inclination integral device is avoided, stirring temporary plugging agent makes it more loose avoid accumulation, also will auxiliary plugging agent be pushed into through hole, avoid the appearance part obstruction or residual on baffle, but the above-mentioned device needs artificial to check the dosage of specific introduction by observation window and scale, not only increase manpower, naked-eye observation also easily lead to inaccurate dosage, for this purpose, we propose a kind of temporary plugging fracturing is used quantitative feeding device. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the present application is that the above-mentioned device needs artificial to check the dosage of specific introduction by observation window and scale, not only increase manpower, naked-eye observation also easily lead to inaccurate dosage.

[0005] To solve the above technical problems, the present application provides a kind of temporary plugging fracturing is used quantitative feeding device, including fixed box, the upper end of the fixed box is installed with storage tank, the lower end of the fixed box is slidably installed with bottom plate, the bottom of the fixed box is provided with lifting mechanism, the bottom plate and storage tank are slidably connected with telescopic cylinder, the top of the bottom plate is provided with moving mechanism, the lifting mechanism is arranged to adjust the dosage of temporary plugging agent in telescopic cylinder, and the moving mechanism is arranged to drive telescopic cylinder to slide and discharge.

[0006] In some embodiments, the lifting mechanism includes a motor and a slide rod installed at both ends of the bottom of the fixed box, the output end of the motor is provided with a threaded rod, one end of the threaded rod penetrates the bottom plate and is threadedly connected with the bottom plate, the top end of the threaded rod extending out of the bottom plate is rotatably connected with the bottom of the storage tank, the other end of the slide rod penetrates the bottom plate and is slidably connected with the bottom plate, and the top end of the slide rod extending out of the bottom plate is fixedly connected with the bottom of the storage tank.

[0007] In some embodiments, the bottom of the storage tank is provided with a feed hole, and a filter screen is embedded in the feed hole.

[0008] In some embodiments, the telescopic cylinder is composed of an inner cylinder and an outer cylinder, the outer cylinder is slidingly installed at the lower end of the inner cylinder, the upper end of the inner cylinder is installed with a baffle, the top of the inner cylinder and the baffle are attached to the bottom of the storage tank, the top of the baffle is installed with a sliding block, and the bottom of the storage tank is provided with a sliding groove matched with the size of the sliding block.

[0009] In some embodiments, the bottom end of the inner cylinder of the outer cylinder is hinged with a rotating plate, and the bottom of the outer cylinder and the rotating plate is attached to the top of the bottom plate.

[0010] In some embodiments, the inner cylinder and the outer cylinder are both transparent plastic materials, and the outer side of the fixed box is provided with observation holes corresponding to the positions of the inner cylinder and the outer cylinder.

[0011] In some embodiments, the moving mechanism comprises a fixed plate installed at the top of the bottom plate, one end of the fixed plate is installed with a telescopic cylinder, and the output end of the telescopic cylinder is fixedly connected to the outer side of the outer cylinder.

[0012] In some embodiments, one end of the bottom of the bottom plate is installed with a lower hopper, the top of the bottom plate is provided with a discharge hole communicated with the lower hopper, the bottom of the lower hopper is connected with a telescopic pipe, and the bottom end of the telescopic pipe is connected to the bottom of the fixed box.

[0013] The utility model at least has the following beneficial effects:

[0014] By controlling the time and number of motor rotation, cooperating with the threaded rod, the sliding rod and the bottom plate, the sliding of the outer cylinder and the rotating plate is realized, so that the size of the cavity between the inner cylinder, the outer cylinder and the rotating plate is adjusted, manual observation is not needed, manpower is saved and the accuracy of the dose is increased. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model embodiment 1;

[0016] Figure 2 It is the fixed box internal structure sectional view of the utility model embodiment 1;

[0017] Figure 3 It is the storage tank, outer cylinder and inner cylinder internal structure sectional view of the utility model embodiment 1;

[0018] Figure 4 It is the utility model Figure 3 It is the structure enlarged view of A place in the utility model;

[0019] Figure 5 It is the rotating plate discharging process sectional view of the utility model;

[0020] Figure 6 It is the storage tank, outer cylinder and inner cylinder internal structure sectional view of the utility model embodiment 2;

[0021] Figure 7 Figure 2 is a schematic diagram of the overall structure of the embodiment 2 of the present application.

[0022] In the figure: 1, fixed box; 101, observation hole; 2, storage box; 201, feeding hole; 202, chute; 203, jack; 3, bottom plate; 301, discharge hole; 4, lifting mechanism; 5, telescopic cylinder; 6, moving mechanism; 7, discharge hopper; 8, filter screen; 9, inner cylinder; 10, outer cylinder; 11, rotating plate; 12, baffle; 13, sliding block; 14, fixed plate; 15, telescopic cylinder; 16, motor; 17, threaded rod; 18, sliding rod; 19, telescopic pipe; 20, sliding bar. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 The present application provides a technical solution: a quantitative feeding device for temporary plugging and fracturing, which comprises a fixed box 1, a storage box 2 is installed at the upper end inside the fixed box 1, the top of the fixed box 1 and the storage box 2 is provided with an opening, which is used for pouring temporary plugging agent into the inside of the storage box 2, a feeding hole 201 is formed at the bottom of the storage box 2, a filter screen 8 is embedded in the inside of the feeding hole 201, the lower end of the storage box 2 is provided with an inclined surface inclined to the filter screen 8, the inclined surface is arranged to make the temporary plugging agent in the inside of the storage box 2 flow into the filter screen 8 better, and the filter screen 8 plays a role of filtering the temporary plugging agent.

[0026] A bottom plate 3 is slidingly installed at the lower end inside the fixed box 1, a lifting mechanism 4 is arranged at the bottom inside the fixed box 1, the lifting mechanism 4 comprises a motor 16 and a sliding rod 18 installed at both ends of the bottom inside the fixed box 1, a threaded rod 17 is installed at the output end of the motor 16, one end of the threaded rod 17 penetrates through the bottom plate 3 and is threadedly connected with the bottom plate 3, the top end of the threaded rod 17 extending out of the bottom plate 3 is rotationally connected with the bottom of the storage box 2, the other end of the sliding rod 18 penetrates through the bottom plate 3 and is slidingly connected with the bottom plate 3, the top end of the sliding rod 18 extending out of the bottom plate 3 is fixedly connected with the bottom of the storage box 2, the threaded rod 17 is driven to rotate by the motor 16, the bottom plate 3 is driven to ascend or descend by the threaded rod 17, and the height of the bottom plate 3 is adjusted by controlling the rotating time and number of the motor 16.

[0027] The telescopic cylinder 5 is slidably connected between the bottom plate 3 and the storage box 2, and is composed of an inner cylinder 9 and an outer cylinder 10, the outer cylinder 10 is slidably installed at the lower end of the inner cylinder 9, the upper end of the inner cylinder 9 is provided with a baffle 12, the top of the inner cylinder 9 and the baffle 12 are attached to the bottom of the storage box 2, the top of the baffle 12 is provided with a sliding block 13, the bottom of the storage box 2 is provided with a sliding groove 202 matched with the size of the sliding block 13, the inner cylinder 9 and the baffle 12 are larger than the size of the feeding hole 201, and the sliding block 13 and the sliding groove 202 limit the inner cylinder 9 and the baffle 12 to be always attached to the bottom of the storage box 2.

[0028] The bottom of the outer cylinder 10 and the bottom of the rotating plate 11 are attached to the top of the bottom plate 3, the inner cylinder 9 and the outer cylinder 10 are made of transparent plastic material, and the outer side of the fixed box 1 is provided with an observation hole 101 corresponding to the positions of the inner cylinder 9 and the outer cylinder 10, so that the staff can observe the feeding condition through the transparent inner cylinder 9 and the outer cylinder 10 matched with the observation hole 101.

[0029] The top of the bottom plate 3 is provided with a moving mechanism 6, the lifting mechanism 4 is arranged to adjust the dosage of the temporary plugging agent in the telescopic cylinder 5, and the moving mechanism 6 is arranged to drive the telescopic cylinder 5 to slide and discharge, the moving mechanism 6 comprises a fixed plate 14 installed on the top of the bottom plate 3, one end of the fixed plate 14 is provided with a telescopic cylinder 15, the output end of the telescopic cylinder 15 is fixedly connected with the outer side of the outer cylinder 10, one end of the bottom plate 3 is provided with a lower hopper 7, the top of the bottom plate 3 is provided with a discharge hole 301 communicated with the lower hopper 7, the rotating plate 11 is smaller than the sizes of the discharge hole 301 and the lower hopper 7, the bottom of the lower hopper 7 is connected with a telescopic pipe 19, the bottom end of the telescopic pipe 19 is connected with the bottom of the fixed box 1, the telescopic pipe 19 is made of existing material and has telescopic length, and the telescopic pipe 19 is always connected with the lower hopper 7 and the fixed box 1 when the bottom plate 3 is adjusted up and down.

[0030] When the inner cylinder 9 is located below the feeding hole 201, the temporary plugging agent filtered through the filter screen 8 directly enters the cavity between the inner cylinder 9, the outer cylinder 10, the rotating plate 11 and the baffle 12, and the telescopic cylinder 15 is started to drive the outer cylinder 9, the inner cylinder 10, the baffle 12 and the rotating plate 11 to slide, when the inner cylinder 9 slides away from the feeding hole 201, the baffle 12 covers the bottom of the filter screen 8, so that the filter screen 8 no longer discharges, and the rotating plate 11 is located above the discharge hole 301 on the top of the bottom plate 3, at this time, the rotating plate 11 is not limited by the bottom plate 3 to rotate to open the bottom of the outer cylinder 10, so that the temporary plugging agent is discharged from the telescopic pipe 19 through the lower hopper 7 and the discharge hole 301 to the fixed box 1.

[0031] Example 2

[0032] Please refer to Figure 6 and Figure 7The utility model provides a technical scheme: the utility model provides another technical scheme on the basis of example 1, the outside of storage box 2 is equipped with with feeding hole 201 lead -through's jack 203, both ends of filter screen 8 all are equipped with slide 20, slide 20 and feeding hole 201 and jack 203 slidingly connected, and filter screen 8 stretches out the part of observation hole 101, when filter screen 8 is blocked, the remaining temporary plugging agent in storage box 2, open telescopic cylinder 15 drive inner tube 9, outer tube 10, rotation plate 11 and baffle 12 slide, through baffle 12 close feeding hole 201, can filter screen 8 is drawn out and is cleaned.

[0033] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made hereto without departing from the spirit and scope of the application.

Claims

1. A quantitative feeding device for temporary plugging and fracturing, comprising a fixed box (1), characterized in that: The upper end of the fixed box (1) is provided with a storage box (2), the lower end of the fixed box (1) is provided with a bottom plate (3), the bottom of the fixed box (1) is provided with a lifting mechanism (4), the bottom plate (3) and the storage box (2) are slidably connected with an extension cylinder (5), the top of the bottom plate (3) is provided with a moving mechanism (6), the lifting mechanism (4) is arranged to adjust the dosage of the temporary plugging agent in the extension cylinder (5), and the moving mechanism (6) is arranged to drive the extension cylinder (5) to slide and discharge.

2. The quantitative feeding device for temporary plugging and fracturing of claim 1, characterized in that: The lifting mechanism (4) comprises motors (16) and slide rods (18) installed at both ends of the bottom of the fixed box (1), the output end of the motor (16) is provided with a threaded rod (17), one end of the threaded rod (17) penetrates through the bottom plate (3) and is threadedly connected with the bottom plate (3), the top end of the threaded rod (17) extending out of the bottom plate (3) is rotatably connected with the bottom of the storage box (2), the other end of the slide rod (18) penetrates through the bottom plate (3) and is slidably connected with the bottom plate (3), and the top end of the slide rod (18) extending out of the bottom plate (3) is fixedly connected with the bottom of the storage box (2).

3. The quantitative feeding device for temporary plugging and fracturing of claim 1, characterized in that: The bottom of the storage box (2) is provided with an inlet hole (201), the inside of the inlet hole (201) is embedded with a filter screen (8), and the lower end of the storage box (2) is provided with an inclined surface inclined to the filter screen (8).

4. The quantitative feeding device for temporary plugging and fracturing of claim 1, characterized in that: The extension cylinder (5) is composed of an inner cylinder (9) and an outer cylinder (10), the outer cylinder (10) is slidably installed at the lower end of the inner cylinder (9), the upper end of the inner cylinder (9) is provided with a baffle (12), the top of the inner cylinder (9) and the baffle (12) is attached to the bottom of the storage box (2), the top of the baffle (12) is provided with a sliding block (13), and the bottom of the storage box (2) is provided with a sliding groove (202) matching the size of the sliding block (13).

5. The quantitative feeding device for temporary plugging and fracturing of claim 4, characterized in that: The bottom of the outer cylinder (10) is hingedly connected with a rotating plate (11), and the bottom of the outer cylinder (10) and the rotating plate (11) is attached to the top of the bottom plate (3).

6. The quantitative feeding device for temporary plugging and fracturing of claim 5, characterized in that: The inner cylinder (9) and the outer cylinder (10) are made of transparent plastic material, and the outside of the fixed box (1) is provided with observation holes (101) corresponding to the positions of the inner cylinder (9) and the outer cylinder (10).

7. The quantitative feeding device for temporary plugging and fracturing of claim 1, characterized in that: The moving mechanism (6) comprises a fixed plate (14) installed at the top of the bottom plate (3), one end of the fixed plate (14) is provided with a telescopic cylinder (15), and the output end of the telescopic cylinder (15) is fixedly connected with the outside of the outer cylinder (10).

8. The quantitative feeding device for temporary plugging and fracturing of claim 7, characterized in that: One end of the bottom plate (3) is provided with a discharge hopper (7), the top of the bottom plate (3) is provided with a discharge hole (301) in communication with the discharge hopper (7), the bottom of the discharge hopper (7) is connected with a telescopic pipe (19), and the bottom end of the telescopic pipe (19) is connected with the bottom of the fixed box (1).

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