Large-dosage fly ash filling material and preparation method thereof

Abstract

The invention relates to the technical field of fly ash filling materials, in particular to a large-dosage fly ash filling material which comprises the following components in percentage by mass: 15-20% of cement, 20-25% of slag, 1.2-2% of a water reducing agent, 50.5-56% of fly ash and 3-5% of lime, and the invention also relates to a preparation method of the large-dosage fly ash filling material, which comprises the following steps: step 1, crushing fly ash; 2, preparing a cementing material; step 3, adding a water reducing agent; step 4, adding lime; and 5, preparing the filling material.

Description

Technical Field

[0001] The invention relates to the technical field of fly ash filling materials, in particular to a large-volume fly ash filling material and a preparation method thereof. Background Art

[0002] Coal energy is the main energy source in my country and has long occupied an important position in my country's primary energy structure. During the coal mining process, surface subsidence and coal compression caused by "three downs and one up" have seriously affected mining. Paste filling technology, as an important part of "green mining" in coal mines, not only plays a great role in supporting the overlying rock strata and preventing or reducing surface subsidence, but is also an effective way to solve the mining problem of "three downs and one up".

[0003] The filling material used in the paste filling technology is a large amount of fly ash filling material, which requires a stirring device in the preparation process. The existing stirring device will generate a large amount of dust when adding fly ash, resulting in a poor working environment. In addition, the fly ash is added from a certain point, which makes the distribution of fly ash added uneven, the stirring effect is poor, and the production quality is affected. Summary of the invention

[0004] The object of the present invention is to provide a high-volume fly ash filling material and a preparation method thereof, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A high-volume fly ash filling material comprises (by mass percentage): 15-20% cement, 20-25% slag, 1.2-2% water reducing agent, 50.5-56% fly ash and 3-5% lime.

[0007] Preferably, cement and slag are combined as the binder.

[0008] A method for preparing a high-volume fly ash filling material comprises the following steps:

[0009] Step 1: Crushing of fly ash: crushing larger pieces of fly ash;

[0010] Step 2: Preparation of binder: Mixing cement and slag in a mixer to form a binder;

[0011] Step 3: Add water reducing agent: Add water reducing agent during the mixing process of cement and slag, and stir evenly;

[0012] Step 4: Adding lime: Add lime during the mixing process of cement and slag and mix well;

[0013] Step 5: Preparation of filling material: After the binder is formed, fly ash is added into the mixer body and stirred thoroughly to form the filling material.

[0014] Preferably, a body bottom plate is fixedly provided at the lower end of the agitator body, and a fly ash pre-storage mechanism is installed on the agitator body, and the fly ash pre-storage mechanism is used for storing fly ash to achieve extensive and uniform addition of fly ash;

[0015] A material storage mechanism support component is arranged on the bottom plate of the device body, and the fly ash pre-storage mechanism is supported by the material storage support component;

[0016] The fly ash pre-storage mechanism is provided with a material release component, and the fly ash can be smoothly added into the agitator body through the movement of the material release component;

[0017] A driving assembly is also provided on the agitator body, and the driving assembly is also supported by the material storage mechanism supporting assembly, and the material releasing assembly is driven to move by the driving assembly.

[0018] Preferably, the material storage mechanism support assembly comprises a guide bearing column, an upward extension bearing plate and a hydraulic rod, and the guide bearing column is fixedly arranged on the bottom plate of the device body;

[0019] The upper extension bearing plate is also fixedly arranged on the bottom plate of the device body, and a bearing top plate is fixedly arranged on the upper end of the upper extension bearing plate, and a mounting vertical plate is fixedly arranged on the upper end of the bearing top plate, and a limited position through hole is provided on the mounting vertical plate;

[0020] A hydraulic rod is fixedly installed on the lower end surface of the bearing top plate.

[0021] Preferably, the fly ash pre-storage mechanism comprises a storage carrier plate and a cylinder cover plate, and the storage carrier plate is fixedly mounted on the hydraulic rod;

[0022] A discharge cylinder is fixedly arranged on the material storage carrier, and discharge through holes are evenly opened on the inner bottom surface of the discharge cylinder, and the discharge through holes penetrate the material storage carrier;

[0023] A guide matching plate is also fixedly arranged on the material storage carrier, and a guide matching hole is opened on the guide matching plate, and a guide bearing column is inserted into the guide matching hole.

[0024] Preferably, the material storage carrier plates on both sides of the guide matching plate are symmetrically fixed with supporting uprights, and the upper ends of the supporting uprights are fixed with connecting top plates;

[0025] A mounting strip is fixedly provided on one of the load-bearing uprights, and a T-shaped connecting strip is fixedly provided on the mounting strip;

[0026] The two sides of the material storage carrier plate are symmetrically provided with movable through holes, and the two sides of the lower end surface of the material storage carrier plate are symmetrically fixed with matching carrier blocks, and the matching carrier blocks are fixedly provided with bearing support rods.

[0027] Preferably, the cylinder cover plate is fixedly mounted on the discharge cylinder, and a feeding pipe is fixedly arranged on the cylinder cover plate;

[0028] A rotating hole is provided at the center of the cylinder cover plate, a connecting gear is installed on the cylinder cover plate, a rotating shaft is fixedly provided at the lower end of the connecting gear, a bearing is sleeved on the rotating shaft, and the bearing is installed in the rotating hole;

[0029] A bearing transverse plate is fixedly arranged at the lower end of the rotating shaft, a material pushing vertical plate is fixedly arranged at the lower end of the bearing transverse plate, and the material pushing vertical plate is located in the material discharging cylinder.

[0030] Preferably, the driving assembly is a driving connection block, a connecting rod is hinged on the driving connection block, and the upper end of the connecting rod is hinged on the connecting top plate;

[0031] A limit movable rod is fixedly arranged on the driving connection block, the limit movable rod is inserted in the limit through hole, and a moving strip is fixedly arranged on the limit movable rod, and a moving matching rod is fixedly arranged on the moving strip.

[0032] Preferably, the material release assembly comprises a connecting rack, a hollow linkage plate and a sealing matching plate, the connecting rack is provided with a T-shaped connecting channel, and a T-shaped connecting strip is inserted in the T-shaped connecting channel;

[0033] A connecting driving plate is fixedly provided at one end of the connecting rack, a movable matching hole is provided on the connecting driving plate, and a movable matching rod is inserted into the movable matching hole;

[0034] A downward extending connecting plate is fixedly arranged at the lower end of the connecting rack, and a holding channel and a downward pushing channel are opened on the downward extending connecting plate, and the holding channel and the downward pushing channel are interconnected.

[0035] Preferably, a matching carrier plate is fixedly provided on the hollow linkage plate, a supporting connecting column is fixedly provided on the matching carrier plate, and the supporting connecting column is inserted into the holding channel;

[0036] The two ends of the hollow linkage plate are symmetrically fixed with driving connecting rods, which are inserted in the movable through holes, and the lower ends of the driving connecting rods are fixed with matching bottom blocks, on which pushing connecting rods are hinged, and the lower ends of the pushing connecting rods are hinged with sealing matching plates.

[0037] Preferably, the sealing matching plate is located at the lower end of the material storage carrier plate, and a material discharge channel is provided on the sealing matching plate;

[0038] Serial plate frames are symmetrically fixedly arranged on both sides of the sealing matching plate, the serial plate frames are provided with supporting through holes, the supporting through holes are plugged with bearing support rods, and the serial plate frames are hinged with the pushing connecting rods.

[0039] Compared with the prior art, the invention has the following advantages:

[0040] 1. A material storage carrier is provided on the agitator body, and a discharging cylinder is provided on the material storage carrier. Fly ash is pre-stored in the discharging cylinder. When fly ash needs to be added during mixing, the hydraulic rod is started to drive the material storage carrier to move downward so that it contacts with the upper port of the agitator body, thereby closing the agitator body to avoid dust overflow during feeding. When no material is added, the material storage carrier is separated from the upper port of the agitator body, which is convenient for the staff to check the mixing situation.

[0041] 2. When the material storage carrier moves downward, it will drive the connecting rack to move, and then the connecting gear will be driven to rotate under the action of the connecting rack. As the connecting gear rotates, it will drive the pushing plate to rotate, making it rotate one circle. Then, under the action of the pushing plate, the fly ash added to the discharging cylinder can be pushed, so that it is evenly distributed in the discharging cylinder, ensuring the extensiveness of the discharging.

[0042] 3. In addition, discharge holes are evenly opened at the lower end of the discharge cylinder. With the movement of the connecting rack, the hollow linkage plate will be pushed downward relative to the material storage carrier plate under the action of the push-down channel. In this way, the sealing matching plate will be pushed to move under the action of the pushing connecting rod, so that the discharge channel on the sealing matching plate is aligned with the discharge holes, thereby realizing automatic feeding of fly ash, and discharging through the discharge holes evenly opened on the discharge cylinder, so that the addition of fly ash is more uniform and extensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 Schematic diagram of the mixer body assembly from the first perspective.

[0044] Figure 2 for Figure 1 A magnified schematic diagram of center A.

[0045] Figure 3 for Figure 1 A magnified schematic diagram of point B in the middle.

[0046] Figure 4 A schematic diagram of the mixer body assembly from a second perspective.

[0047] Figure 5 Schematic diagram of the structure of the agitator body.

[0048] Figure 6This is a schematic diagram of the structure of the material storage carrier from the first perspective.

[0049] Figure 7 This is a schematic diagram of the structure of the material storage carrier from a second perspective.

[0050] Figure 8 This is a first-view assembly diagram of the cylinder cover plate.

[0051] Fig. 9 This is a second-view assembly diagram of the cylinder cover plate.

[0052] Fig.10 Schematic diagram of the structure of the connected rack.

[0053] Fig.11 It is the assembly diagram of the hollow linkage plate and the sealing matching plate.

[0054] In the figure: 1, agitator body; 11, body bottom plate; 12, guide bearing column; 13, upper extension bearing plate; 14, bearing top plate; 15, mounting plate; 16, limit through hole; 17, hydraulic rod; 2, material storage carrier plate; 21, discharge cylinder; 22, discharge through hole; 23, guide matching plate; 24, guide matching hole; 25, bearing pole; 26, connecting top plate; 27, mounting strip plate; 271, T-shaped connecting strip; 28, moving through hole; 29, matching carrier block; 291, bearing support rod; 3, cylinder cover plate; 31, feeding pipe; 32, rotating hole; 4, connecting gear; 41, rotating shaft; 42. Bearing; 43. Load-bearing horizontal plate; 44. Pushing vertical plate; 5. Driving connecting block; 51. Connecting rod; 52. Limiting movable rod; 53. Moving slat; 54. Moving matching rod; 6. Connecting rack; 61. T-shaped connecting channel; 62. Connecting driving plate; 63. Moving matching hole; 64. Lower connecting plate; 65. Holding channel; 66. Pushing channel; 7. Hollow linkage plate; 71. Matching carrier plate; 72. Support connecting column; 73. Driving connecting rod; 74. Matching bottom block; 75. Pushing connecting rod; 8. Sealing matching plate; 81. Unloading channel; 82. Serial plate rack; 83. Support through hole. DETAILED DESCRIPTION

[0055] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0056] Embodiment 1:

[0057] A filling material with a large amount of fly ash includes (by mass percentage): 18% cement, 22% slag, 1.5% water reducing agent, 55% fly ash and 3.5% lime.

[0058] Cement and slag are combined to form the binder.

[0059] A method for preparing a high-volume fly ash filling material comprises the following steps:

[0060] Step 1: Crushing of fly ash: crushing larger pieces of fly ash;

[0061] Step 2: Preparation of binder: Mixing cement and slag in the mixer body 1 to form a binder;

[0062] Step 3: Add water reducing agent: Add water reducing agent during the mixing process of cement and slag, and stir evenly;

[0063] Step 4: Adding lime: Add lime during the mixing process of cement and slag and mix well;

[0064] Step 5: Preparation of filling material: After the binder is formed, fly ash is added into the mixer body 1 and stirred sufficiently to form the filling material.

[0065] Embodiment 2:

[0066] A high-volume fly ash filling material comprises (by mass percentage): 20% cement, 25% slag, 2% water reducing agent, 51% fly ash and 2% lime.

[0067] Cement and slag are combined to form the binder.

[0068] A method for preparing a high-volume fly ash filling material comprises the following steps:

[0069] Step 1: Crushing of fly ash: crushing larger pieces of fly ash;

[0070] Step 2: Preparation of binder: Mixing cement and slag in the mixer body 1 to form a binder;

[0071] Step 3: Add water reducing agent: Add water reducing agent during the mixing process of cement and slag, and stir evenly;

[0072] Step 4: Adding lime: Add lime during the mixing process of cement and slag and mix well;

[0073] Step 5: Preparation of filling material: After the binder is formed, fly ash is added into the mixer body 1 and stirred sufficiently to form the filling material.

[0074] like Figure 1 and Figure 4As shown, a body bottom plate 11 is fixedly provided at the lower end of the agitator body 1, and a fly ash pre-storage mechanism is installed on the agitator body 1. The fly ash pre-storage mechanism is used for storing fly ash to achieve extensive and uniform addition of fly ash. A storage mechanism support assembly is provided on the body bottom plate 11, and the fly ash pre-storage mechanism is supported by the storage support assembly. A material release assembly is provided on the fly ash pre-storage mechanism, and fly ash can be smoothly added to the agitator body 1 through the movement of the material release assembly. A driving assembly is also provided on the agitator body 1, and the driving assembly is also supported by the storage mechanism support assembly, and the material release assembly is driven to move by the driving assembly.

[0075] like Figure 5 As shown, the material storage mechanism support assembly includes a guide bearing column 12, an upper extension bearing plate 13 and a hydraulic rod 17. The guide bearing column 12 is fixedly arranged on the bottom plate 11 of the device body. The upper extension bearing plate 13 is also fixedly arranged on the bottom plate 11 of the device body, and a bearing top plate 14 is fixedly arranged on the upper end of the upper extension bearing plate 13. A mounting vertical plate 15 is fixedly arranged on the upper end of the bearing top plate 14. A limiting through hole 16 is provided on the mounting vertical plate 15. A hydraulic rod 17 is fixedly installed on the lower end surface of the bearing top plate 14.

[0076] like Figure 1 , Figure 6 and Figure 7 As shown, the fly ash pre-storage mechanism includes a storage carrier plate 2 and a cylinder cover plate 3. The storage carrier plate 2 is fixedly mounted on the hydraulic rod 17. A discharge cylinder 21 is fixedly arranged on the storage carrier plate 2. Discharge through holes 22 are evenly arranged on the inner bottom surface of the discharge cylinder 21. The discharge through holes 22 penetrate the storage carrier plate 2. A guide matching plate 23 is also fixedly arranged on the storage carrier plate 2. A guide matching hole 24 is arranged on the guide matching plate 23. A guide bearing column 12 is inserted into the guide matching hole 24.

[0077] like Figure 6 and Figure 7 As shown, bearing uprights 25 are symmetrically fixedly arranged on the material storage carrier 2 on both sides of the guide matching plate 23, and a connecting top plate 26 is fixedly arranged on the upper end of the bearing uprights 25. A mounting strip 27 is fixedly arranged on one of the bearing uprights 25, and a T-shaped connecting strip 271 is fixedly arranged on the mounting strip 27. Moving through holes 28 are symmetrically opened on both sides of the material storage carrier 2, and matching carrier blocks 29 are symmetrically fixedly arranged on both sides of the lower end surface of the material storage carrier 2, and a bearing support rod 291 is fixedly arranged on the matching carrier blocks 29.

[0078] When fly ash is added, the material carrier plate 2 contacts the upper end surface of the agitator body 1 .

[0079] like Figure 4 , Figure 8 and Fig. 9As shown, the cylinder covering plate 3 is fixedly mounted on the discharge cylinder 21, and a feeding pipe 31 is fixedly provided on the cylinder covering plate 3, a rotating hole 32 is opened at the center position of the cylinder covering plate 3, a connecting gear 4 is installed on the cylinder covering plate 3, a rotating shaft 41 is fixedly provided at the lower end of the connecting gear 4, a bearing 42 is sleeved on the rotating shaft 41, and the bearing 42 is installed in the rotating hole 32, a bearing cross plate 43 is fixedly provided at the lower end of the rotating shaft 41, a pushing vertical plate 44 is fixedly provided at the lower end of the bearing cross plate 43, and the pushing vertical plate 44 is located in the discharge cylinder 21.

[0080] like Figure 1 and Figure 3 As shown, the driving component is a driving connecting block 5, on which a connecting rod 51 is hinged, and the upper end of the connecting rod 51 is hinged on the connecting top plate 26. A limiting movable rod 52 is fixedly provided on the driving connecting block 5, and the limiting movable rod 52 is inserted into the limiting through hole 16, and a movable slat 53 is fixedly provided on the limiting movable rod 52, and a movable matching rod 54 is fixedly provided on the movable slat 53.

[0081] like Figure 1 , Figure 2 , Fig.10 and Fig.11 As shown, the material release assembly includes a connecting rack 6, a hollow linkage plate 7 and a sealing matching plate 8. A T-shaped connecting channel 61 is provided on the connecting rack 6, a T-shaped connecting strip 271 is inserted in the T-shaped connecting channel 61, and the connecting gear 4 is meshed with the connecting rack 6.

[0082] like Figure 1 and Fig.10 As shown, a connecting driving plate 62 is fixedly provided at one end of the connecting rack 6, a movable matching hole 63 is opened on the connecting driving plate 62, a movable matching hole 63 is inserted into the movable matching hole 63, and a downward connecting plate 64 is fixedly provided at the lower end of the connecting rack 6, a retaining channel 65 and a downward pushing channel 66 are opened on the downward connecting plate 64, the retaining channel 65 and the downward pushing channel 66 are interconnected, and the widths of the two are equal.

[0083] like Figure 1 and Fig.11 As shown, a matching carrier plate 71 is fixedly provided on the hollow linkage plate 7, a supporting connecting column 72 is fixedly provided on the matching carrier plate 71, the supporting connecting column 72 is inserted in the retaining channel 65, and the supporting connecting column 72 is in contact with the inner wall of the retaining channel 65, driving connecting rods 73 are symmetrically fixedly provided at both ends of the hollow linkage plate 7, the driving connecting rods 73 are inserted in the movable through hole 28, and a matching bottom block 74 is fixedly provided at the lower end of the driving connecting rod 73, a pushing connecting rod 75 is hinged on the matching bottom block 74, and a sealing hole matching plate 8 is hinged at the lower end of the pushing connecting rod 75.

[0084] The sealing matching plate 8 is at the lower end of the material storage carrier plate 2, and a material discharge channel 81 is provided on the sealing matching plate 8. Serial plate frames 82 are symmetrically fixedly arranged on both sides of the sealing matching plate 8, and supporting through holes 83 are provided on the serial plate frames 82. A load-bearing support rod 291 is inserted in the supporting through holes 83, and the serial plate frames 82 are hinged with the pushing connecting rod 75. In addition, the sealing matching plate 8 is in contact with the lower end surface of the material storage carrier plate 2, and when the sealing matching plate 8 releases the fly ash, the material discharge channel 81 is directly below the discharge through hole 22.

[0085] When the fly ash and the binder are mixed, the fly ash is pre-added into the discharge cylinder 21, and the hydraulic rod 17 is started to drive the storage carrier 2 to move downward. As the storage carrier 2 moves downward, the distance between the connecting top plate 26 and the bearing top plate 14 becomes smaller. In this way, the driving connecting block 5 is pushed to move under the action of the connecting rod 51. As the storage carrier 2 moves downward, the connecting rack 6 moves downward along the moving matching rod 54. At the same time, as the driving connecting block 5 moves, it will also drive the connecting rack 6 to move, and then under the action of the connecting rack 6, it will drive the connecting gear 4 to rotate and make it rotate one circle. In this way, under the action of the pushing vertical plate 44, the fly ash inside the discharge cylinder 21 can be evenly spread. After spreading, the uniformity and extensiveness of the discharge are guaranteed. The movement of the connecting rack 6 will cause the supporting connecting column 72 to be inserted into the push-down channel 66, so that under the action of the push-down channel 66, the hollow linkage plate 7 moves downward relative to the material storage carrier plate 2, so that under the action of the pushing connecting rod 75, the sealing matching plate 8 will be pushed to move, so that the sealing matching plate 8 no longer blocks the discharge through hole 22, so that the discharge channel 81 and the discharge through hole 22 are aligned up and down, so that the fly ash can fall from the discharge through hole 22 into the agitator body 1, and at the same time, the material storage carrier plate 2 contacts the upper end surface of the agitator body 1 to avoid dust from being blown out during the feeding process, and the discharge through holes 22 evenly opened on the lower end surface of the discharge cylinder 21 can make the fly ash evenly and widely added to the agitator body 1, avoiding the unevenness of local addition and ensuring the quality of mixing.

[0086] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-volume fly ash filling material, characterized in that: The invention comprises (by mass percentage): 15-20% cement, 20-25% slag, 1.2-2% water reducing agent, 50.5-56% fly ash and 3-5% lime.

2. A high-volume fly ash filling material according to claim 1, characterized in that: Cement and slag are combined to form the binder.

3. A method for preparing a large amount of fly ash filling material, characterized in that: The preparation method is used to prepare the high-volume fly ash filling material according to claims 1-2, comprising the following steps: Step 1: Crushing of fly ash: crushing larger pieces of fly ash; Step 2: Preparation of binder: Mixing cement and slag in a mixer to form a binder; Step 3: Add water reducing agent: Add water reducing agent during the mixing process of cement and slag, and stir evenly; Step 4: Adding lime: Add lime during the mixing process of cement and slag and mix well; Step 5: Preparation of filling material: After the binder is formed, fly ash is added into the mixer body and stirred thoroughly to form the filling material.

4. The method for preparing a high-volume fly ash filling material according to claim 3, characterized in that: The lower end of the agitator body is fixedly provided with a body bottom plate, and a fly ash pre-storage mechanism is installed on the agitator body, and the fly ash pre-storage mechanism is used for storing fly ash to achieve extensive and uniform addition of fly ash; A material storage mechanism support component is arranged on the bottom plate of the device body, and the fly ash pre-storage mechanism is supported by the material storage support component; The fly ash pre-storage mechanism is provided with a material release component, and the fly ash can be smoothly added into the agitator body through the movement of the material release component; A driving assembly is also provided on the agitator body, and the driving assembly is also supported by the material storage mechanism supporting assembly, and the material releasing assembly is driven to move by the driving assembly.

5. The method for preparing a high-volume fly ash filling material according to claim 4, characterized in that: The material storage mechanism support assembly includes a guide bearing column, an upward extension bearing plate and a hydraulic rod, and the guide bearing column is fixedly arranged on the bottom plate of the device body; The upper extension bearing plate is also fixedly arranged on the bottom plate of the device body, and a bearing top plate is fixedly arranged on the upper end of the upper extension bearing plate, and a mounting vertical plate is fixedly arranged on the upper end of the bearing top plate, and a limited position through hole is provided on the mounting vertical plate; A hydraulic rod is fixedly installed on the lower end surface of the bearing top plate.

6. The method for preparing a high-volume fly ash filling material according to claim 5, characterized in that: The fly ash pre-storage mechanism comprises a storage carrier plate and a cylinder cover plate, and the storage carrier plate is fixedly mounted on the hydraulic rod; A discharge cylinder is fixedly arranged on the material storage carrier, and discharge through holes are evenly opened on the inner bottom surface of the discharge cylinder, and the discharge through holes penetrate the material storage carrier; A guide matching plate is also fixedly arranged on the material storage carrier, and a guide matching hole is opened on the guide matching plate, and a guide bearing column is inserted into the guide matching hole.

7. The method for preparing a high-volume fly ash filling material according to claim 6, characterized in that: The material storage carrier plates on both sides of the guide matching plate are symmetrically fixed with load-bearing vertical rods, and the upper ends of the load-bearing vertical rods are fixedly provided with connecting top plates; A mounting strip is fixedly provided on one of the load-bearing uprights, and a T-shaped connecting strip is fixedly provided on the mounting strip; The two sides of the material storage carrier plate are symmetrically provided with movable through holes, and the two sides of the lower end surface of the material storage carrier plate are symmetrically fixed with matching carrier blocks, and the matching carrier blocks are fixedly provided with bearing support rods.

8. The method for preparing a high-volume fly ash filling material according to claim 7, characterized in that: The cylinder cover plate is fixedly installed on the discharge cylinder, and a feeding pipe is fixedly arranged on the cylinder cover plate; A rotating hole is provided at the center of the cylinder cover plate, a connecting gear is installed on the cylinder cover plate, a rotating shaft is fixedly provided at the lower end of the connecting gear, a bearing is sleeved on the rotating shaft, and the bearing is installed in the rotating hole; A bearing transverse plate is fixedly arranged at the lower end of the rotating shaft, a material pushing vertical plate is fixedly arranged at the lower end of the bearing transverse plate, and the material pushing vertical plate is located in the material discharging cylinder.

9. The method for preparing a high-volume fly ash filling material according to claim 8, characterized in that: The driving assembly is a driving connection block, a connecting rod is hinged on the driving connection block, and the upper end of the connecting rod is hinged on the connecting top plate; A limit movable rod is fixedly arranged on the driving connection block, the limit movable rod is inserted in the limit through hole, and a moving strip is fixedly arranged on the limit movable rod, and a moving matching rod is fixedly arranged on the moving strip.

10. The method for preparing a high-volume fly ash filling material according to claim 9, characterized in that: The material release assembly includes a connecting rack, a hollow linkage plate and a sealing matching plate, the connecting rack is provided with a T-shaped connecting channel, and a T-shaped connecting strip is inserted in the T-shaped connecting channel; A connecting driving plate is fixedly provided at one end of the connecting rack, a movable matching hole is provided on the connecting driving plate, and a movable matching rod is inserted into the movable matching hole; A downward extending connecting plate is fixedly arranged at the lower end of the connecting rack, and a holding channel and a downward pushing channel are opened on the downward extending connecting plate, and the holding channel and the downward pushing channel are interconnected.

11. The method for preparing a high-volume fly ash filling material according to claim 10, characterized in that: A matching carrier plate is fixedly arranged on the hollow linkage plate, a supporting connecting column is fixedly arranged on the matching carrier plate, and the supporting connecting column is inserted into the holding channel; The two ends of the hollow linkage plate are symmetrically fixed with driving connecting rods, which are inserted in the movable through holes, and the lower ends of the driving connecting rods are fixed with matching bottom blocks, on which pushing connecting rods are hinged, and the lower ends of the pushing connecting rods are hinged with sealing matching plates.

12. The method for preparing a high-volume fly ash filling material according to claim 11, characterized in that: The sealing matching plate is located at the lower end of the material storage carrier plate, and a material discharge channel is provided on the sealing matching plate; Serial plate frames are symmetrically fixedly arranged on both sides of the sealing matching plate, the serial plate frames are provided with supporting through holes, the supporting through holes are plugged with bearing support rods, and the serial plate frames are hinged with the pushing connecting rods.

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