Preparation device of oil and gas fracturing propping agent

Abstract

The utility model discloses a preparation device of an oil and gas fracturing propping agent, and relates to the technical field of oil and gas fracturing propping agent processing. The filter plate is fixed to the upper side in the box body, a rotating shaft is inserted into the center of the filter plate, and the upper end of the rotating shaft is rotationally connected with and penetrates through the top wall of the box body through a bearing and then is fixedly provided with a driving motor; the crushing cutters are fixed on the outer ring wall of the rotating shaft at equal angles; a connecting rod is fixed to the top wall of the smashing disc, the lower end of the rotating shaft is sleeved with the upper end of the connecting rod, and the top end of the connecting rod is located in the filtering plate. The shifting strips are fixed on the outer ring wall of the rotating shaft at equal angles and are inserted into strip-shaped grooves in the connecting rods; the shifting block is fixed at the top end of the outer ring wall of the connecting rod and is inserted into a guide groove in the inner wall of the filter plate; the rotating mechanism is arranged in the box body and is connected with the crushing pool and the rotating shaft; and before grinding, crushing is carried out through the crushing cutter, and after crushing is carried out to a certain size, crushing is carried out, so that the grinding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil and gas fracturing proppant processing, in particular to a preparation device for oil and gas fracturing proppant. Background Art

[0002] Oil and gas fracturing proppants are key materials for fracturing construction in low-permeability oil and gas wells and shale gas reservoirs, and are products with high added value. After pumping stops, the function of oil and gas fracturing proppants is to support the two walls of the fracture to prevent the oil and gas well from bridging the oil pipeline due to rock setbacks, thereby improving the permeability of the oil layer, increasing oil production, and extending the service life of the oil and gas well. Currently, the main oil and gas fracturing proppants used in China are natural quartz sand and high-temperature sintered ceramsite sand. Existing proppants need to be ground into powder during production. During the grinding process, the proppant is generally added directly to the device for grinding. However, due to the large particles of unprocessed proppant, direct grinding is not convenient. Utility Model Content

[0003] The purpose of the present invention is to provide a device for preparing oil and gas fracturing proppants with a reasonable design and convenient use in view of the defects and shortcomings of the existing technology, which can effectively solve the defects of the above-mentioned existing technology.

[0004] To achieve the above-mentioned purpose, the present invention adopts the following technical solutions: it comprises a box body, supporting legs, a feed pipe and a discharge pipe, wherein a plurality of supporting legs are fixed at equal angles on the outer bottom wall of the box body, a feed pipe is inserted through and fixed on one side of the top wall of the box body, and a discharge pipe is fixed through the bottom wall of the box body; it also comprises:

[0005] The filter plate is fixed on the upper side of the inner part of the box, and a rotating shaft is inserted in the center of the filter plate. The upper end of the rotating shaft is screwed through the top wall of the box through a bearing and is fixed with a drive motor, which is fixed to the outer top wall of the box;

[0006] Crushing knives, there are several crushing knives, and they are fixed on the outer ring wall of the rotating shaft at equal angles, and the crushing knives are located on the upper side of the filter plate;

[0007] The crushing tank is arranged on the lower side of the inner part of the box body, and a crushing disk is arranged inside the crushing tank. A connecting rod is fixed on the top wall of the crushing disk. The upper end of the connecting rod is sleeved on the lower end of the rotating shaft, and the top end of the connecting rod is located in the filter plate;

[0008] There are several toggle bars, which are fixed at equal angles on the outer ring wall of the rotating shaft. The toggle bars are located inside the connecting rod and inserted into the bar groove in the connecting rod.

[0009] A toggle block, which is fixed to the top of the outer ring wall of the connecting rod and inserted into the guide groove on the inner wall of the filter plate;

[0010] A rotating mechanism is provided inside the box body and is connected to the crushing tank and the rotating shaft;

[0011] Through the above technical solution, the raw material enters the box from the feed pipe and falls onto the filter plate, the drive motor is started, the drive motor drives the rotating shaft to rotate, the rotating shaft drives the crushing knife and the connecting rod to rotate, the connecting rod drives the crushing disk to rotate, the crushing knife performs preliminary crushing on the raw material, and the crushed raw material falls into the crushing pool. The crushing disk crushes the raw material during its rotation, and the connecting rod and the crushing disk are rotating. The connecting rod drives the toggle block to rotate, and the toggle block moves in the guide groove during its rotation, so that the toggle block drives the connecting rod to move up and down, and the connecting rod drives the crushing disk to move up and down, so that the crushing disk moves up and down while crushing the raw material, which facilitates the raw material to enter the lower side of the crushing disk. The rotating shaft drives the crushing pool to rotate in the opposite direction through the rotating mechanism during its rotation, thereby improving the crushing effect.

[0012] As a further improvement of the present invention, the rotating mechanism comprises:

[0013] A linkage rod, which is embedded in and screwed to one side of the ring wall of the box body through a bearing, and the upper end of the linkage rod is connected to the top end of the rotating shaft through a synchronous wheel transmission assembly;

[0014] A fixed ring, which is sleeved and fixed on the outer ring wall of the crushing tank, and is movably embedded in the annular groove on the inner ring wall of the box body, and an annular cavity is provided on the bottom wall of the fixed ring;

[0015] A rotating rod, wherein a driving gear is fixed to the upper end of the rotating rod, and the driving gear is arranged on one side of the annular cavity. The driving gear is meshed with a tooth groove on the inner ring wall of the annular cavity. After the lower end of the rotating rod passes through the annular groove on the lower side of the annular cavity, it is screwed to the inner wall of one side of the box body through a support plate, and the lower end of the rotating rod is connected to the lower end of the linkage rod through a gear pair.

[0016] Through the above technical solution, when the rotating shaft rotates, the linkage rod is driven to rotate through the synchronous wheel transmission assembly, the lower end of the linkage rod drives the rotating rod to rotate through the gear pair, the driving gear at the upper end of the rotating rod drives the fixed ring to rotate, and the fixed ring drives the crushing pool to rotate.

[0017] As a further improvement of the present invention, a guide bucket is provided on the outer side of the discharge port at the lower side of the crushing tank, and the lower end of the guide bucket is fixedly connected to the top end of the discharge pipe;

[0018] Through the above technical solution, the powder screened out from the crushing tank during the crushing process is discharged through the discharge port and falls into the guide bucket, thereby being easily discharged from the discharge pipe.

[0019] As a further improvement of the present invention, a sealing tube is fixed on the upper side of the guide bucket, and the upper side of the ring wall of the sealing tube is tilted toward the center and is arranged to abut against the outer ring wall of the crushing tank;

[0020] The above technical solution can prevent powder from splashing out from between the guide bucket and the crushing tank.

[0021] As a further improvement of the present invention, a guide ring is fixed on the upper side of the crushing pool, and the upper side of the inner ring wall of the guide ring is inclined outward;

[0022] The above technical solution can prevent the block raw materials crushed by the crushing knife from being retained on the top wall of the crushing tank.

[0023] Compared with the prior art, the beneficial effects of the present invention are as follows: the preparation device for oil and gas fracturing proppants described in the present invention can first be crushed by a crushing knife before grinding, and after being crushed to a certain size, it can be crushed again, thereby improving the grinding effect. The present invention has the advantages of reasonable setting and low production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural diagram of the present utility model.

[0025] Figure 2 It is a structural schematic diagram of the rotating shaft, filter plate, connecting rod and crushing disk in the utility model.

[0026] Figure 3 for Figure 2 Enlarged view of part A in the middle.

[0027] Figure 4 This is an exploded view of the guide ring, crushing tank, sealing tube and guide bucket in the utility model.

[0028] Figure 5 It is a structural diagram of the driving motor, rotating shaft and rotating mechanism in the utility model.

[0029] Figure 6 for Figure 5 Enlarged view of part B in the middle.

[0030] Description of reference numerals:

[0031] Box body 1, supporting foot 2, feed pipe 3, discharge pipe 4, filter plate 5, rotating shaft 6, drive motor 7, crushing knife 8, crushing tank 9, crushing disc 10, connecting rod 11, toggle bar 12, toggle block 13, rotating mechanism 14, linkage rod 14-1, fixing ring 14-2, annular cavity 14-2-1, rotating rod 14-3, driving gear 14-4, guide bucket 15, sealing tube 16, guide ring 17. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0033] Example 1:

[0034] like Figures 1-6 As shown, this embodiment includes a box body 1, support legs 2, a feed pipe 3 and a discharge pipe 4. Several support legs 2 are welded and fixed at equal angles on the outer bottom wall of the box body 1. A feed pipe 3 is inserted and welded to one side of the top wall of the box body 1. A discharge pipe 4 is welded to the bottom wall of the box body 1. It also includes:

[0035] The filter plate 5 is welded and fixed to the upper side of the interior of the box body 1. A rotating shaft 6 is inserted into the center of the filter plate 5. The upper end of the rotating shaft 6 is screwed through the top wall of the box body 1 through a bearing and is fixed with a drive motor 7. The drive motor 7 is fixed to the outer top wall of the box body 1 by bolts.

[0036] Crushing blades 8, there are several crushing blades 8, which are welded and fixed to the outer ring wall of the rotating shaft 6 at equal angles, and the crushing blades 8 are located on the upper side of the filter plate 5;

[0037] A crushing tank 9 is provided at the lower side of the interior of the housing 1. A guide ring 17 is welded and fixed to the upper side of the crushing tank 9. The upper side of the inner ring wall of the guide ring 17 is tilted outward to prevent the blocky raw materials crushed by the crushing knife 8 from being retained on the top wall of the crushing tank 9. A crushing disk 10 is provided inside the crushing tank 9. A connecting rod 11 is fixed to the top wall of the crushing disk 10. The upper end of the connecting rod 11 is sleeved on the lower end of the rotating shaft 6, and the top end of the connecting rod 11 is located inside the filter plate 5. A guide bucket 15 is sleeved on the outer side of the discharge port on the lower side of the crushing tank 9. The lower end of the guide bucket 15 is fixedly connected to the top of the discharge pipe 4. The powder sieved out of the crushing tank 9 during the crushing process is discharged through the discharge port and falls into the guide bucket 15, which is then easily discharged from the discharge pipe 4. A sealing tube 16 is fixed on the upper side of the guide bucket 15. The upper side of the sealing tube 16 is tilted toward the center and is abutted against the outer ring wall of the crushing tank 9 to prevent powder from splashing out from between the guide bucket 15 and the crushing tank 9.

[0038] The toggle bars 12 are multiple and fixed at equal angles on the outer ring wall of the rotating shaft 6. The toggle bars 12 are located inside the connecting rod 11 and inserted into the strip groove in the connecting rod 11.

[0039] A toggle block 13 is welded and fixed to the top of the outer ring wall of the connecting rod 11, and the toggle block 13 is inserted into the guide groove on the inner wall of the filter plate 5;

[0040] The rotating mechanism 14 is arranged inside the box body 1 and is connected to the crushing tank 9 and the rotating shaft 6.

[0041] Example 2:

[0042] See Figure 1 、 Figure 5-6 As shown, based on Example 1, the rotating mechanism 14 includes:

[0043] Linkage rod 14-1, said linkage rod 14-1 is embedded and screwed to one side of the ring wall of the box body 1 through a bearing, and the upper end of the linkage rod 14-1 is connected to the top end of the rotating shaft 6 through a synchronous wheel transmission assembly;

[0044] The fixing ring 14-2 is sleeved and welded to the outer ring wall of the crushing tank 9. The fixing ring 14-2 is movably embedded in the annular groove on the inner ring wall of the box body 1. The bottom wall of the fixing ring 14-2 is provided with an annular cavity 14-2-1;

[0045] The rotating rod 14-3, the upper end of the rotating rod 14-3 is welded and fixed with a driving gear 14-4, and the driving gear 14-4 is arranged on the right side inside the annular cavity 14-2-1. The driving gear 14-4 is meshed with the tooth groove on the inner ring wall of the annular cavity 14-2-1. After the lower end of the rotating rod 14-3 passes through the annular groove on the lower side of the annular cavity 14-2-1, it is screwed to the inner wall of one side of the box body 1 through the support plate, and the lower end of the rotating rod 14-3 is connected to the lower end of the linkage rod 14-1 through a gear pair.

[0046] When the present invention is used, the raw material enters the box body 1 from the feed pipe 3 and falls onto the filter plate 5, the drive motor 7 is started, the drive motor 7 drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the crushing knife 8 and the connecting rod 11 to rotate, the connecting rod 11 drives the crushing disk 10 to rotate, the crushing knife 8 performs preliminary crushing on the raw material, and the crushed raw material falls into the crushing pool 9, the crushing disk 10 crushes the raw material during the rotation process, and the connecting rod 11 and the crushing disk 10 are rotating. The connecting rod 11 drives the toggle block 13 to rotate, and the toggle block 13 moves in the guide groove during the rotation process. When the rotating shaft 6 rotates, the linkage rod 14-1 is driven to rotate through the synchronous wheel transmission assembly, and the lower end of the linkage rod 14-1 drives the rotating rod 14-3 to rotate through the gear pair, and the driving gear 14-4 at the upper end of the rotating rod 14-3 drives the fixed ring 14-2 to rotate, and the fixed ring 14-2 drives the crushing pool 9 to rotate, thereby improving the crushing effect.

[0047] Compared with the prior art, the beneficial effects of this specific embodiment are as follows:

[0048] 1. Before grinding, the material can be crushed by the crushing knife 8, and after being crushed to a certain size, it can be crushed again to improve the grinding effect;

[0049] 2. During the grinding process, the pulverizing disc 10 can be moved up and down reciprocatingly by the cooperation of the connecting rod 11 and the toggle block 13, so that the raw materials are located on the lower side of the pulverizing disc 10, thereby facilitating the pulverization;

[0050] 3. The crushing tank 9 can be connected to the rotating shaft 6 through the rotating mechanism 14, so that during crushing, the crushing tank 9 and the crushing disk 10 can rotate in opposite directions, thereby improving the crushing effect.

[0051] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A preparation device for oil and gas fracturing proppant, comprising a box body (1), supporting legs (2), a feed pipe (3) and a discharge pipe (4), wherein a plurality of supporting legs (2) are fixed at equal angles on the outer bottom wall of the box body (1), a feed pipe (3) is inserted through and fixed on one side of the top wall of the box body (1), and a discharge pipe (4) is fixed through the bottom wall of the box body (1); characterized in that: It also contains: A filter plate (5), the filter plate (5) is fixed on the upper side of the interior of the box (1), a rotating shaft (6) is inserted into the center of the filter plate (5), the upper end of the rotating shaft (6) is screwed through the top wall of the box (1) through a bearing, and a driving motor (7) is fixed thereto, and the driving motor (7) is fixed on the outer top wall of the box (1); Crushing knives (8), there are several crushing knives (8), which are fixed at equal angles on the outer ring wall of the rotating shaft (6), and the crushing knives (8) are located on the upper side of the filter plate (5); A crushing pool (9), wherein the crushing pool (9) is arranged at the lower side of the interior of the box (1), a crushing disk (10) is arranged inside the crushing pool (9), a connecting rod (11) is fixed on the top wall of the crushing disk (10), the upper end of the connecting rod (11) is sleeved on the lower end of the rotating shaft (6), and the top end of the connecting rod (11) is located inside the filter plate (5); A plurality of toggle bars (12) are fixed at equal angles on the outer ring wall of the rotating shaft (6). The toggle bars (12) are located inside the connecting rod (11) and are inserted into the strip groove in the connecting rod (11); A toggle block (13), wherein the toggle block (13) is fixed to the top end of the outer ring wall of the connecting rod (11), and the toggle block (13) is inserted into the guide groove on the inner wall of the filter plate (5); The rotating mechanism (14) is arranged inside the box (1), and the rotating mechanism (14) is connected to the crushing pool (9) and the rotating shaft (6).

2. The preparation device for oil and gas fracturing proppant according to claim 1, characterized in that: The rotating mechanism (14) comprises: A linkage rod (14-1), wherein the linkage rod (14-1) is embedded and screwed to one side of the ring wall of the box body (1) through a bearing, and the upper end of the linkage rod (14-1) is connected to the top end of the rotating shaft (6) through a synchronous wheel transmission assembly; A fixed ring (14-2), wherein the fixed ring (14-2) is sleeved and fixed on the outer ring wall of the crushing pool (9), the fixed ring (14-2) is movably embedded in the annular groove on the inner ring wall of the box body (1), and an annular cavity (14-2-1) is provided on the bottom wall of the fixed ring (14-2); A rotating rod (14-3) is provided with a driving gear (14-4) fixed at the upper end of the rotating rod (14-3). The driving gear (14-4) is arranged on one side of the annular cavity (14-2-1). The driving gear (14-4) is meshed with the tooth groove on the inner ring wall of the annular cavity (14-2-1). After the lower end of the rotating rod (14-3) passes through the annular groove on the lower side of the annular cavity (14-2-1), it is screwed to the inner wall of one side of the box body (1) through a support plate, and the lower end of the rotating rod (14-3) is connected to the lower end of the linkage rod (14-1) through a gear pair.

3. The preparation device for oil and gas fracturing proppant according to claim 1, characterized in that: A guide bucket (15) is sleeved on the outer side of the discharge port at the lower side of the crushing tank (9), and the lower end of the guide bucket (15) is fixedly connected to the top end of the discharge pipe (4).

4. The preparation device for oil and gas fracturing proppant according to claim 3, characterized in that: A sealing tube (16) is fixed on the upper side of the guide bucket (15). The upper side of the ring wall of the sealing tube (16) is tilted toward the center and is arranged to abut against the outer ring wall of the crushing tank (9).

5. The device for preparing an oil and gas fracturing proppant according to claim 1, characterized in that: A guide ring (17) is fixed on the upper side of the crushing pool (9), and the upper side of the inner ring wall of the guide ring (17) is inclined outward.

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