Partitioned anti-blocking powder silo for mine paste filling

Abstract

The utility model discloses a mine paste filling partition type anti-blocking powder silo which comprises a straight silo wall, a silo top cover is arranged on the top of the straight silo wall, a dust remover and a safety valve are arranged on the silo top cover, a feeding port is formed in the upper portion of the straight silo wall, the feeding port is connected with a feeding pipe, and a discharging port is formed in the lower portion of the straight silo wall. The bottom end of the straight barrel wall is connected with at least one hopper cone defined by a hopper cone wall, and a plurality of flow aiding devices are arranged on the hopper cone wall; the flow assisting device comprises a pin shaft A, a rotary rake arm, a range extending lug seat, a pin shaft B, a range extending connecting rod, a pin shaft C, rake teeth, a rectangular flange, a disc shell, a fixed rotating shaft, a rotary disc, a torque increasing connecting rod, a pin shaft E, a driving cylinder, a pin shaft D, an air cylinder lug seat and a rake arm lug seat. The powder hopper cone effectively solves the problems that an existing powder hopper cone is not smooth in discharging and poor in flow aiding effect.

Description

Technical Field

[0001] This utility model belongs to the technical field of mining paste filling equipment, and in particular relates to a zoned anti-clogging powder silo for mining paste filling. Background Technology

[0002] Mine paste backfill materials include fly ash, cement, etc., and are commonly stored and fed in single-outlet cylindrical silos with conical bottoms. The flowability of the backfill powder is greatly affected by changes in material level and moisture content. Powder at the bottom of the cone often experiences self-weight compression arching and poor discharge. Traditional processes typically use compressed air jetting and external vibrators to break arches and aid flow. Compressed air jetting can easily cause dust and airflow to suddenly surge and overflow towards the upstream and downstream interfaces of the hopper, leading to environmental pollution problems. The high-frequency vibration of external vibrators to break arches is greatly affected by the wall material thickness, resulting in high energy consumption, fatigue damage to the silo wall material, and noise pollution. In addition, the use of single-outlet conical bottoms in large-diameter silos leads to an excessively large cone bottom height, significantly reducing the effective volume of the silo. Poor discharge from the silo is a persistent problem hindering the smooth operation of mine paste backfilling processes. Utility Model Content

[0003] The present invention aims to overcome the shortcomings of the prior art and provide a zoned anti-clogging powder silo for filling mineral paste.

[0004] To achieve the above objectives, the technical solution provided by this utility model is as follows:

[0005] The mine paste filling partitioned anti-clogging powder silo includes a straight cylindrical wall (27), the top of the straight cylindrical wall (27) is provided with a silo top cover (24), the silo top cover (24) is provided with a dust collector (25) and a safety valve (26), the upper part of the straight cylindrical wall (27) is provided with a feed inlet, the feed inlet is connected to a feed pipe (23), the bottom end of the straight cylindrical wall (27) is connected to at least one bucket cone surrounded by a bucket cone wall (18), the bucket cone wall (18) is provided with multiple flow aids; the flow aids include a rectangular flange (8) with an orifice, a rotary rake arm (2), a range extender connecting rod (5), a rotary table (11), a torque-increasing connecting rod (12), a drive cylinder (14) and two parallel disc shells (9); the rectangular flange (8) is provided with a vertical wall (27), the vertical wall (27 ... The upper part of the front of the flange (8) is provided with a rake arm lug (17), which is hinged to the top of the rotary rake arm (2) through pin A (1); the disc shell (9) is set on the lower part of the back of the rectangular flange (8), and the bottom edge of the disc shell (9) is welded to the edge of the hole of the rectangular flange (8); the rotary disk (11) is set between the two disc shells (9), and the center of the rotary disk (11) is provided with a fixed drive shaft (10), and the two ends of the fixed drive shaft (10) are respectively rotatably connected to the center of the two disc shells (9) (the center of the disc shell is provided with a sealed bearing, which is coaxial with the rotary disk and the fixed drive shaft, and a space gap is left between the two disc shells for the rotary disk to operate); the middle part of the front of the rotary rake arm (2) is provided with a range extender lug (3). The rotary disk (11) has a raised lug on its outer edge. The raised lug is hinged to one end of the extended range connecting rod (5) via a C pin (6). The other end of the extended range connecting rod (5) is hinged to the extended range lug (3) via a B pin (4). The upper part of the back of the rectangular flange (8) has a cylinder lug (16). The top of the drive cylinder (14) is hinged to the cylinder lug (16) via a D pin (15). The actuating end of the drive cylinder (14) is hinged to one end of the torque-increasing connecting rod (12) via an E pin (13). The other end of the torque-increasing connecting rod (12) is fixedly connected to the fixed transmission shaft (10). The rotary rake arm (2) has rake teeth (7). The rotary rake arm (2) adopts a rectangular long strip parallel double The plate structure has rake tooth mounting holes on the parallel double plates. The rake teeth (7) are installed in the rake tooth mounting holes, and the length of the rake teeth (7) is greater than the spacing between the parallel double plates. The rectangular flange (8) is installed on the outside of the bucket cone wall (18), and the rotary rake arm (2) is in the inner cavity of the bucket cone. The upper part of the inner cavity of the bucket cone is provided with an isolation plate welded to the inner side of the bucket cone wall (18). The isolation plate divides the inner cavity of the bucket cone into four equal parts, and the multiple flow aids are evenly distributed in the four equal parts. The top edge of the isolation plate is flush with the top edge of the bucket cone wall (18), and the bottom edge of the isolation plate is parallel to the bottom edge of the bucket cone wall (18). The bottom end of the rotary rake arm (2) is lower than the bottom edge of the isolation plate. The bottom outlet of the bucket cone is provided with a discharge valve (22).

[0006] Preferably, the bottom end of the straight cylindrical wall (27) is connected to four cones formed by the cone walls (18); the bottom end of the straight cylindrical wall (27) is provided with a flat bottom circular plate (28), the lower surface of the flat bottom circular plate (28) is provided with a cross beam (31), the cross beam (31) divides the flat bottom circular plate (28) into four equal parts, each part of the flat bottom circular plate (28) is provided with an opening, and the edge of the opening is connected to the edge of the top opening of the cone.

[0007] More preferably, a central cone inclined plate (30) is provided at the center of the upper surface of the flat bottom circular plate (28), and side cone inclined plates (29) are provided around the perimeter of the upper surface of the flat bottom circular plate (28) and between two adjacent openings.

[0008] Preferably, the bucket cone includes four flow aids arranged at 90° intervals along the bucket cone wall (18).

[0009] More preferably, the angle between the center line of the flow aid device and the plane containing the adjacent isolation plate is 45°.

[0010] More preferably, the partition plate includes an isosceles trapezoidal plate (20) and two right trapezoidal plates (19). The waistline of the isosceles trapezoidal plate (20) is welded to the inner side of the cone wall (18). The oblique waistline of the right trapezoidal plate (19) is welded to the inner side of the cone wall (18). The vertical waistline of the right trapezoidal plate (19) is welded to the isosceles trapezoidal plate (20). The two right trapezoidal plates (19) are in the same plane and perpendicular to the isosceles trapezoidal plate (20).

[0011] More preferably, a pressure box (21) is provided at the junction of the top edges of the isosceles trapezoidal plate (20) and the right trapezoidal plate (19).

[0012] Preferably, the disk shell (9) adopts a semi-circular volute structure; the rotary disk (11) is a single-plate solid circular disk structure.

[0013] Preferably, the drive cylinder (14) is a telescopic cylinder or a rotary cylinder.

[0014] More preferably, the drive cylinder (14) is a pneumatic telescopic cylinder or a hydraulic telescopic cylinder.

[0015] Preferably, one end of the range extender (5) is a U-shaped tuning fork double-ear structure, and the other end is a single-hole ear handle structure. The shape of the range extender (5) is curved or straight. The distance between the two ends of the range extender (5) is greater than the vertical distance from the top of the range extender ear (3) to the reverse side of the rotary rake arm (2). One end of the torsion extender (12) is a U-shaped tuning fork double-ear structure, and the other end is a single-hole ear handle structure. The shape of the torsion extender (12) is curved or straight. The distance between the two ends of the torsion extender (12) is greater than the radius of the rotary table (11).

[0016] The flow-aiding method for the partitioned anti-clogging powder silos used for filling paste in mines includes the following steps:

[0017] (1): The initial state includes: the discharge valve is closed, the silo is full of powder, the length direction of the rotary rake arm is parallel to the length direction of the rectangular flange plane; the horizontal line passing through the center point of pin C is below the horizontal line passing through the center point of the fixed drive shaft, the acute angle between pin B, pin C and the fixed drive shaft is 45°, and the piston rod of the drive cylinder is fully retracted.

[0018] (2): When the discharge valve is opened, the powder material in the silo is discharged through the discharge valve. The piston rod of the drive cylinder extends and the end of the piston rod pushes the torque-increasing connecting rod through the E pin to drive the fixed transmission shaft to rotate 45°. The fixed transmission shaft drives the rotary table to rotate synchronously, and the rotary table drives the C pin to rotate synchronously. The C pin drives the extension connecting rod to move. The extension connecting rod drives the extension lug and the rotary rake arm to rotate around the A pin through the B pin. The rotary rake arm swings outward to the maximum angle.

[0019] (3) Extend the piston rod of the drive cylinder to the maximum extension length. The end of the piston rod pushes the torque-increasing connecting rod through the E pin to drive the fixed transmission shaft to continue to rotate 45° on the basis of step (2). The fixed transmission shaft drives the rotary table to rotate synchronously. The rotary table drives the C pin to rotate synchronously. The C pin drives the extension connecting rod to move. The extension connecting rod drives the extension lug and the rotary rake arm to rotate in the opposite direction around the A pin through the B pin. The rotary rake arm swings in the opposite direction until it is parallel to the plane of the rectangular flange.

[0020] (4) The piston rod of the drive cylinder retracts. The end of the piston rod pushes the torque-increasing connecting rod through the E pin to drive the fixed transmission shaft to rotate 45° in the opposite direction based on step (3). The fixed transmission shaft drives the rotary table to rotate synchronously in the opposite direction. The fixed rotary table drives the C pin to rotate synchronously in the opposite direction. The C pin drives the stroke-extending connecting rod to move. The stroke-extending connecting rod drives the stroke-extending lug and the rotary rake arm to rotate around the A pin through the B pin. The rotary rake arm swings outward to the maximum angle.

[0021] (5) The piston rod of the drive cylinder is fully retracted. The piston rod end pushes the torque-increasing connecting rod through the E pin to drive the fixed transmission shaft to rotate 45° in the opposite direction based on step (4). The fixed transmission shaft drives the rotary table to rotate synchronously in the opposite direction. The rotary table drives the C pin to rotate synchronously in the opposite direction. The C pin drives the stroke-extending connecting rod to move. The stroke-extending connecting rod drives the stroke-extending lug and the rotary rake arm to rotate around the A pin through the B pin. The rotary rake arm swings in the opposite direction until it is parallel to the rectangular flange plane, and returns to the initial state of step (1).

[0022] (6) Repeat steps (1) to (5) to repeatedly swing the rotating rake wall to break the material bridge and achieve continuous flow.

[0023] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0024] 1. The upper part of the bucket cone is equipped with an isolation plate, which divides the bucket cone into upper and lower sections. The upper section is divided by the isolation plate into four identical areas with vertical sidewalls, eliminating the conditions for the high-level powder in the upper section of the bucket cone to form a bridge arch at the axis. The bucket cone wall is the foundation section of the arch foot of the material bridge. The rotating rake wall is set along the length of the generatrix of the bucket cone wall, covering both the upper and lower ends. By rotating and swinging inward into the bucket cone, it destroys the foundation of the powder bridge arch, which has a dual flow-aiding function and strong adaptability to material changes.

[0025] 2. The rotation center of the rotary rake arm is located at the upper end, and the swing displacement of the lower end is greater than that of the upper end. While breaking the compacted material at the lower end, it further activates the material near the upper end, which is conducive to the continuous and stable flow of powder from the bucket cone to the lower outlet.

[0026] 3. The rotary rake wall adopts a rectangular strip thin plate structure. The plane of the thin plate is parallel to the direction of rotation of the rotary rake wall, which is conducive to cutting the powder bridge and has low energy consumption.

[0027] 4. Equipped with a range extender lug and a range extender connecting rod, the swing displacement of the lower end of the rotary rake arm 2 can be adjusted according to the material characteristics and the size of the hopper inclined wall, making it highly adaptable to the hopper structure.

[0028] 5. Equipped with a torque-increasing connecting rod, the torque can be increased and the thrust of the drive cylinder can be reduced by lengthening the torque-increasing connecting rod, resulting in low energy consumption.

[0029] 6. Equipped with a rotary table, the gap between the rotary table and the disc shell remains unchanged during rotation, preventing material from increasing into the gap space and causing jamming, thus ensuring high reliability.

[0030] 7. The rotary rake arm is equipped with rake teeth, which expands the contact range with the material and has a good effect on breaking arches and promoting flow.

[0031] 8. The stroke of the drive cylinder is adjustable to change the rotation angle of the rotary table. One movement of the drive cylinder can realize the adjustment function of the rotary rake arm swinging once or twice.

[0032] 9. The drive cylinder can be a telescopic drive cylinder, which drives the transmission shaft together with the torque-increasing connecting rod, or a rotary drive cylinder can be used to directly drive the transmission shaft. This allows for selection based on the material load characteristics and enables low-consumption drive.

[0033] 10. A pressure box is installed at the center point of the top edge of the partition plate of the silo, which can directly monitor the material level of the silo in real time.

[0034] 11. The upper surface of the flat-bottomed circular plate is provided with a central cone inclined plate and a side cone inclined plate, which are symmetrically distributed in a ring to divide the area into four regions. This changes the traditional single outlet discharge in the center of the silo into multiple outlet discharges in the surrounding areas. On the one hand, it realizes the transformation from pressure concentration to pressure dispersion and eliminates the disadvantage of central arching. On the other hand, corresponding to the four regions, there is a bucket cone surrounded by the bucket cone wall below the flat-bottomed circular plate, forming a frustum. Its height is smaller than the frustum of a single outlet, which increases the effective volume of the silo.

[0035] 12. Multiple buckets are distributed to form a frustum structure. The upper part of the bucket is equipped with an isolation plate, which divides the frustum into upper and lower sections. The upper section is divided by the isolation plate into four identical areas with vertical sidewalls, eliminating the condition for the high-level powder in the upper part of the frustum to form a bridge arch at the axis. The rotating rake wall is set along the length of the generatrix of the bucket wall, covering both the upper and lower ends. By rotating and swinging inward into the cone, it destroys the foundation of the powder bridge arch, which has multiple flow-aiding functions and strong adaptability to material changes.

[0036] In summary, this utility model effectively solves the problems of poor powder discharge and poor flow-aiding effect in existing cylindrical silos. Attached Figure Description

[0037] Figure 1 This is a schematic diagram (front view) of one embodiment of the present invention.

[0038] Figure 2 yes Figure 1 A schematic diagram of the AA cross-section;

[0039] Figure 3 yes Figure 2 BB cross-sectional diagram;

[0040] Figure 4 This is a schematic diagram (front view) of another embodiment of the present invention.

[0041] Figure 5 yes Figure 4 A schematic diagram of the AA cross-section;

[0042] Figure 6 yes Figure 4 BB cross-sectional diagram;

[0043] Figure 7 yes Figure 5 A schematic diagram of the CC cross-section;

[0044] Figure 8 yes Figure 4 Top view of a flat-bottomed circular disk;

[0045] Figure 9 yes Figure 4 Top view of the cross beam;

[0046] Figure 10 This is a schematic diagram of the states of steps (2) and (4) of this utility model;

[0047] Figure 11 This is a schematic diagram of the state of step (3) of this utility model;

[0048] Figure 12 This is a schematic diagram of the rotary rake arm and rake teeth structure in this utility model;

[0049] Figure 13 This is a schematic diagram of the rotary table structure in this utility model;

[0050] Figure 14 This is a schematic cross-sectional view of the range extender connecting rod of this utility model;

[0051] Figure 15 This is a schematic cross-sectional view of the torsion-enhancing connecting rod of this utility model;

[0052] In the diagram: 1. Pin A; 2. Rotary rake arm; 3. Extender lug; 4. Pin B; 5. Extender connecting rod; 6. Pin C; 7. Rake teeth; 8. Rectangular flange; 9. Disc; 10. Fixed rotating shaft; 11. Rotary disc; 12. Torque-increasing connecting rod; 13. Pin E; 14. Drive cylinder; 15. Pin D; 16. Cylinder lug; 17. Rake arm lug; 18. Bucket cone wall; 19. Right-angled trapezoidal plate; 20. Isosceles trapezoidal plate; 21. Pressure box; 22. Discharge valve; 23. Feed pipe; 24. Silo top cover; 25. Dust collector; 26. Safety valve; 27. Straight cylinder wall; 28. Flat bottom circular plate; 29. ​​Side cone inclined plate; 30. Central cone inclined plate; 31. Cross beam. Detailed Implementation

[0053] The present invention will be further described below with reference to the accompanying drawings and embodiments. Example 1

[0054] See Figure 1 2, 3, 10 to Figure 15The mine paste filling zoned anti-clogging powder silo includes a straight cylindrical wall 27, a silo top cover 24 on the top of the straight cylindrical wall 27, a dust collector 25 and a safety valve 26 on the silo top cover 24, a feed inlet on the upper part of the straight cylindrical wall 27, the feed inlet being connected to a feed pipe 23, and at least one bucket cone formed by a bucket cone wall 18 connected to the bottom end of the straight cylindrical wall 27. Multiple flow aids are installed on the bucket cone wall 18; the flow aids include a rectangular flange 8 with an orifice, a rotary rake arm 2, a range extender connecting rod 5, a rotary disc 11, a torque-increasing connecting rod 12, a drive cylinder 14, and two parallel discs. Shell 9; The upper part of the front of the rectangular flange 8 is provided with a rake arm lug 17, which is hinged to the top of the rotary rake arm 2 via pin A 1; The disc shell 9 is located on the lower part of the back of the rectangular flange 8, and the bottom edge of the disc shell 9 is welded to the edge of the orifice of the rectangular flange 8; The rotary disk 11 is located between the two disc shells 9, and a fixed drive shaft 10 is located at the center of the rotary disk 11, with both ends of the fixed drive shaft 10 rotatably connected to the centers of the two disc shells 9 respectively; The middle part of the front of the rotary rake arm 2 is provided with a range extender lug 3, and the outer edge of the rotary disk 11 is provided with a protruding lug hole, which is open to... One end of the extended-range connecting rod 5 is hinged to pin C 6, and the other end of the extended-range connecting rod 5 is hinged to the extended-range lug 3 via pin B 4; a cylinder lug 16 is provided on the upper part of the back of the rectangular flange 8, and the top of the drive cylinder 14 is hinged to the cylinder lug 16 via pin D 15. The actuating end of the drive cylinder 14 is hinged to one end of the torque-increasing connecting rod 12 via pin E 13, and the other end of the torque-increasing connecting rod 12 is fixedly connected to the fixed transmission shaft 10; the rotary rake arm 2 is provided with rake teeth 7; the rotary rake arm 2 adopts a rectangular long parallel double plate structure, and the parallel double plates are provided with rake tooth mounting holes, the rake... The tooth 7 is installed in the rake tooth mounting hole, and the length of the rake tooth 7 is greater than the spacing of the parallel double plates; the rectangular flange 8 is installed on the outside of the bucket cone wall 18, and the rotary rake arm 2 is in the inner cavity of the bucket cone; the upper part of the inner cavity of the bucket cone is provided with an isolation plate welded to the inner side of the bucket cone wall 18, and the isolation plate divides the inner cavity of the bucket cone into four equal parts, and the multiple flow aids are evenly distributed in the four equal parts; the top edge of the isolation plate is flush with the top edge of the bucket cone wall 18, and the bottom edge of the isolation plate is parallel to the bottom edge of the bucket cone wall 18; the bottom end of the rotary rake arm 2 is lower than the bottom edge of the isolation plate; the bottom outlet of the bucket cone is provided with a discharge valve 22.

[0055] The bucket cone includes four flow-aiding devices, arranged at 90° intervals along the bucket cone wall 18. The center line of each flow-aiding device forms a 45° angle with the plane containing the adjacent isolation plate. Each isolation plate includes an isosceles trapezoidal plate 20 and two right-angled trapezoidal plates 19. The waistline of the isosceles trapezoidal plate 20 is welded to the inner side of the bucket cone wall 18, the oblique waistline of the right-angled trapezoidal plate 19 is welded to the inner side of the bucket cone wall 18, and the vertical waistline of the right-angled trapezoidal plate 19 is welded to the isosceles trapezoidal plate 20. The two right-angled trapezoidal plates 19 are on the same plane and perpendicular to the isosceles trapezoidal plate 20. A pressure box 21 is provided at the junction of the top edges of the isosceles trapezoidal plate 20 and the right-angled trapezoidal plate 19. The disc shell 9 adopts a semi-circular volute structure; the rotary disc 11 is a single-plate solid disc structure. The drive cylinder 14 is a telescopic cylinder or a rotary cylinder. The drive cylinder 14 is a pneumatic telescopic cylinder or a hydraulic telescopic cylinder. The range extender 5 has a U-shaped tuning fork double-ear structure at one end and a single-hole ear handle structure at the other end. The shape of the range extender 5 is curved or straight. The distance between the two ends of the range extender 5 is greater than the vertical distance from the top of the range extender ear 3 to the reverse side of the rotary rake arm 2. The torsion extender 12 has a U-shaped tuning fork double-ear structure at one end and a single-hole ear handle structure at the other end. The shape of the torsion extender 12 is curved or straight. The distance between the two ends of the torsion extender 12 is greater than the radius of the rotary table 11. Example 2

[0056] See Figures 4 to 15The mine paste filling zoned anti-clogging powder silo includes a straight cylindrical wall 27, a silo top cover 24 on the top of the straight cylindrical wall 27, a dust collector 25 and a safety valve 26 on the silo top cover 24, a feed inlet on the upper part of the straight cylindrical wall 27, the feed inlet being connected to a feed pipe 23, and at least one bucket cone formed by a bucket cone wall 18 connected to the bottom end of the straight cylindrical wall 27. Multiple flow aids are installed on the bucket cone wall 18; the flow aids include a rectangular flange 8 with an orifice, a rotary rake arm 2, a range extender connecting rod 5, a rotary disc 11, a torque-increasing connecting rod 12, a drive cylinder 14, and two parallel discs. Shell 9; The upper part of the front of the rectangular flange 8 is provided with a rake arm lug 17, which is hinged to the top of the rotary rake arm 2 via pin A 1; The disc shell 9 is located on the lower part of the back of the rectangular flange 8, and the bottom edge of the disc shell 9 is welded to the edge of the orifice of the rectangular flange 8; The rotary disk 11 is located between the two disc shells 9, and a fixed drive shaft 10 is located at the center of the rotary disk 11, with both ends of the fixed drive shaft 10 rotatably connected to the centers of the two disc shells 9 respectively; The middle part of the front of the rotary rake arm 2 is provided with a range extender lug 3, and the outer edge of the rotary disk 11 is provided with a protruding lug hole, which is open to... One end of the extended-range connecting rod 5 is hinged to pin C 6, and the other end of the extended-range connecting rod 5 is hinged to the extended-range lug 3 via pin B 4; a cylinder lug 16 is provided on the upper part of the back of the rectangular flange 8, and the top of the drive cylinder 14 is hinged to the cylinder lug 16 via pin D 15. The actuating end of the drive cylinder 14 is hinged to one end of the torque-increasing connecting rod 12 via pin E 13, and the other end of the torque-increasing connecting rod 12 is fixedly connected to the fixed transmission shaft 10; the rotary rake arm 2 is provided with rake teeth 7; the rotary rake arm 2 adopts a rectangular long parallel double plate structure, and the parallel double plates are provided with rake tooth mounting holes, the rake... The tooth 7 is installed in the rake tooth mounting hole, and the length of the rake tooth 7 is greater than the spacing of the parallel double plates; the rectangular flange 8 is installed on the outside of the bucket cone wall 18, and the rotary rake arm 2 is in the inner cavity of the bucket cone; the upper part of the inner cavity of the bucket cone is provided with an isolation plate welded to the inner side of the bucket cone wall 18, and the isolation plate divides the inner cavity of the bucket cone into four equal parts, and the multiple flow aids are evenly distributed in the four equal parts; the top edge of the isolation plate is flush with the top edge of the bucket cone wall 18, and the bottom edge of the isolation plate is parallel to the bottom edge of the bucket cone wall 18; the bottom end of the rotary rake arm 2 is lower than the bottom edge of the isolation plate; the bottom outlet of the bucket cone is provided with a discharge valve 22.

[0057] The bottom end of the straight cylindrical wall 27 is connected to four cones formed by cone walls 18. A flat-bottomed circular plate 28 is provided at the bottom end of the straight cylindrical wall 27. A cross beam 31 is provided on the lower surface of the flat-bottomed circular plate 28, dividing the flat-bottomed circular plate 28 into four equal regions. Each region of the flat-bottomed circular plate 28 has an opening, the edge of which connects to the edge of the cone's top opening. A central cone inclined plate 30 is provided at the center of the upper surface of the flat-bottomed circular plate 28, and side cone inclined plates 29 are provided around the perimeter of the upper surface of the flat-bottomed circular plate 28, between adjacent openings.

[0058] The bucket cone includes four flow-aiding devices, which are arranged at 90° intervals along the bucket cone wall 18. The center line of each flow-aiding device forms a 45° angle with the plane containing the adjacent isolation plate. Each isolation plate includes an isosceles trapezoidal plate 20 and two right-angled trapezoidal plates 19. The waistline of the isosceles trapezoidal plate 20 is welded to the inner side of the bucket cone wall 18, the oblique waistline of the right-angled trapezoidal plate 19 is welded to the inner side of the bucket cone wall 18, and the vertical waistline of the right-angled trapezoidal plate 19 is welded to the isosceles trapezoidal plate 20. The two right-angled trapezoidal plates 19 are on the same plane and perpendicular to the isosceles trapezoidal plate 20. A pressure box 21 is provided at the junction of the top edges of the isosceles trapezoidal plate 20 and the right-angled trapezoidal plate 19. The disc shell 9 adopts a semi-circular volute structure; the rotary disc 11 is a single-plate solid disc structure. The drive cylinder 14 is a telescopic cylinder or a rotary cylinder. The drive cylinder 14 is a pneumatic telescopic cylinder or a hydraulic telescopic cylinder.

[0059] The range extender 5 has a U-shaped tuning fork double-ear structure at one end and a single-hole ear handle structure at the other end. The shape of the range extender 5 is curved or straight. The distance between the two ends of the range extender 5 is greater than the vertical distance from the top of the range extender ear 3 to the reverse side of the rotary rake arm 2. The torsion extender 12 has a U-shaped tuning fork double-ear structure at one end and a single-hole ear handle structure at the other end. The shape of the torsion extender 12 is curved or straight. The distance between the two ends of the torsion extender 12 is greater than the radius of the rotary table 11.

Claims

1. A zoned anti-clogging powder silo for filling mineral paste, characterized in that, The mine paste filling zoned anti-clogging powder silo includes a straight cylindrical wall (27), the top of which is provided with a silo top cover (24), and a dust collector (25) and a safety valve (26) are provided on the silo top cover (24). The upper part of the straight cylindrical wall (27) is provided with a feed inlet, which is connected to a feed pipe (23). At least one bucket cone formed by a bucket cone wall (18) is connected to the bottom of the straight cylindrical wall (27). Multiple flow aids are installed on the bucket cone wall (18). The flow aids include a rectangular flange (8) with an orifice, a rotary rake arm (2), a range extender connecting rod (5), a rotary table (11), and a torque extender. The structure includes a connecting rod (12), a drive cylinder (14), and two parallel disc shells (9). The upper front of the rectangular flange (8) is provided with a rake arm lug seat (17), which is hinged to the top of the rotary rake arm (2) via a pin (1). The disc shell (9) is located on the lower back of the rectangular flange (8), and the bottom edge of the disc shell (9) is welded to the edge of the orifice of the rectangular flange (8). The rotary disk (11) is located between the two disc shells (9), and a fixed drive shaft (10) is provided at the center of the rotary disk (11). The two ends of the fixed drive shaft (10) are rotatably connected to the centers of the two disc shells (9). The rotary rake arm (2) has a range extender lug (3) in the center of its front side, and the rotary disk (11) has a raised lug on its outer edge. The raised lug is hinged to one end of the range extender connecting rod (5) via a C pin (6), and the other end of the range extender connecting rod (5) is hinged to the range extender lug (3) via a B pin (4). The upper part of the back of the rectangular flange (8) has a cylinder lug (16), and the top of the drive cylinder (14) is hinged to the cylinder lug (16) via a D pin (15). The actuating end of the drive cylinder (14) is hinged to one end of the torque-increasing connecting rod (12) via an E pin (13), and the other end of the torque-increasing connecting rod (12) is fixedly connected to the fixed transmission shaft (10). The rotary rake arm (2) has rake teeth (7). The structure adopts a rectangular parallel double plate structure. The parallel double plates are provided with rake tooth mounting holes. The rake teeth (7) are installed in the rake tooth mounting holes. The length of the rake teeth (7) is greater than the spacing between the parallel double plates. The rectangular flange (8) is installed on the outside of the bucket cone wall (18). The rotary rake arm (2) is in the inner cavity of the bucket cone. The upper part of the inner cavity of the bucket cone is provided with an isolation plate welded to the inner side of the bucket cone wall (18). The isolation plate divides the inner cavity of the bucket cone into four equal parts. The multiple flow aids are evenly distributed in the four equal parts. The top edge of the isolation plate is flush with the top edge of the bucket cone wall (18). The bottom edge of the isolation plate is parallel to the bottom edge of the bucket cone wall (18). The bottom end of the rotary rake arm (2) is lower than the bottom edge of the isolation plate. The bottom outlet of the bucket cone is provided with a discharge valve (22).

2. The mine paste filling zoned anti-clogging powder silo as described in claim 1, characterized in that, The bottom end of the straight cylindrical wall (27) is connected to four cones formed by the cone walls (18); the bottom end of the straight cylindrical wall (27) is provided with a flat bottom circular plate (28), the lower surface of the flat bottom circular plate (28) is provided with a cross beam (31), the cross beam (31) divides the flat bottom circular plate (28) into four equal areas, and each area of ​​the flat bottom circular plate (28) is provided with an opening, the edge of the opening is connected to the edge of the top opening of the cone.

3. The mine paste filling zoned anti-clogging powder silo as described in claim 2, characterized in that, A central cone inclined plate (30) is provided at the center of the upper surface of the flat bottom circular plate (28), and a side cone inclined plate (29) is provided around the perimeter of the upper surface of the flat bottom circular plate (28) and between two adjacent openings.

4. The mine paste filling zoned anti-clogging powder silo as described in claim 1, characterized in that, The bucket cone includes four flow aids, which are arranged at 90° intervals along the bucket cone wall (18).

5. The mine paste filling zoned anti-clogging powder silo as described in claim 4, characterized in that, The angle between the centerline of the flow aid device and the plane containing the adjacent isolation plate is 45°.

6. The mine paste filling zoned anti-clogging powder silo as described in claim 5, characterized in that, The isolation plate includes an isosceles trapezoidal plate (20) and two right trapezoidal plates (19). The waistline of the isosceles trapezoidal plate (20) is welded to the inner side of the cone wall (18). The oblique waistline of the right trapezoidal plate (19) is welded to the inner side of the cone wall (18). The vertical waistline of the right trapezoidal plate (19) is welded to the isosceles trapezoidal plate (20). The two right trapezoidal plates (19) are on the same plane and perpendicular to the isosceles trapezoidal plate (20).

7. The mine paste filling zoned anti-clogging powder silo as described in claim 6, characterized in that, A pressure box (21) is provided at the junction of the top edges of the isosceles trapezoidal plate (20) and the right trapezoidal plate (19).

8. The mine paste filling zoned anti-clogging powder silo as described in claim 1, characterized in that, The disk shell (9) adopts a semi-circular volute structure; the rotary disk (11) is a single-plate solid circular disk structure.

9. The mine paste filling zoned anti-clogging powder silo as described in claim 1, characterized in that, The drive cylinder (14) is a telescopic cylinder or a rotary cylinder.

10. The mine paste filling zoned anti-clogging powder silo according to claim 9, characterized in that, The drive cylinder (14) is a pneumatic telescopic cylinder or a hydraulic telescopic cylinder.

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