Crushing and mixing device for coal-based solid waste filling

Abstract

The invention belongs to the technical field of coal-based solid waste utilization, and particularly relates to a crushing and mixing device for coal-based solid waste filling, which comprises a feeding hopper, a crushing and mixing device, a crushing and mixing device, a crushing and mixing device and a crushing and mixing device, the top end of the crushing box communicates with the bottom end of the feeding hopper; a crushing mechanism and a screening mechanism are sequentially arranged in the crushing box from top to bottom; the upper portion of the mixing box communicates with a discharging port of the crushing box, a third motor is installed in the middle of the top end of the mixing box, the output end of the third motor penetrates through the top wall of the crushing box and is connected with a first stirring assembly, a second stirring assembly is arranged on the inner bottom wall of the crushing box, and the tail end of the first stirring assembly extends into the second stirring assembly. The second stirring assembly is in transmission fit with the third motor. The discharging rhythm is accurately regulated and controlled through the material distributing mechanism, the phenomenon of material accumulation or idle running of the crushing mechanism is avoided, differential rotation is adopted by the double stirring assemblies, a composite flow field is formed, and the stirring uniformity is further improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of coal-based solid waste utilization, and particularly relates to a crushing and mixing device for coal-based solid waste filling. Background Art

[0003] The screening effect of the materials after crushing by the existing crushing and mixing device is not good and the mixing is uneven, and the use effect of the whole crushing and mixing device is not ideal.

[0004] Therefore, it is necessary to design a crushing and mixing device for coal-based solid waste filling to solve the above technical problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a crushing and mixing device for coal-based solid waste filling to solve the problems existing in the above prior art.

[0006] To achieve the above purpose, the present invention provides a crushing and mixing device for coal-based solid waste filling, including:

[0007] A feeding hopper, in which a material distribution mechanism is arranged, and the material distribution mechanism is used for distributing coal-based solid waste;

[0008] A crushing box, the top end of which is communicated with the bottom end of the feeding hopper; a crushing mechanism and a screening mechanism are sequentially arranged in the crushing box from top to bottom;

[0009] A mixing box, the upper part of which is communicated with the discharge port of the crushing box, a motor three is installed in the middle of the top end of the mixing box, the output end of the motor three penetrates the top wall of the crushing box and is connected with a stirring component one, a stirring component two is arranged on the inner bottom wall of the crushing box, the end of the stirring component one extends into the stirring component two, and the stirring component two is in transmission cooperation with the motor three.

[0010] Preferably, the material distribution mechanism includes a partition plate horizontally connected inside the feeding hopper, a through hole for feeding is opened on the partition plate, a motor one is installed in the middle of the top end of the feeding hopper, the output shaft of the motor one penetrates the top wall of the feeding hopper and is connected with a rotating rod, and a plurality of scraping plates are circumferentially and equally spacedly connected to the rotating rod, and the scraping plates are in sliding contact with the top surface of the partition plate.

[0011] Preferably, the crushing mechanism includes two crushing rollers rotatably connected to the opposite inner walls of the crushing box, gear two is connected to the rotating shafts of both crushing rollers, and the two gear two are meshed with each other, and one of the crushing rollers is in transmission cooperation with a motor two.

[0012] Preferably, a reciprocating lead screw is rotatably connected to the opposite inner walls of the crushing box. The reciprocating lead screw is in transmission cooperation with the second motor. A slider is threadedly connected to the reciprocating lead screw. Slide bars are connected to the opposite inner walls of the crushing box. The slider is slidably limited on the slide bars. A flexible hose is connected to the partition plate. One end of the flexible hose communicates with the through hole, and the other end of the flexible hose is fixed to the slider and is correspondingly arranged above the two crushing rollers.

[0013] Preferably, the screening mechanism includes sieve plate members respectively rotatably connected to the opposite inner walls of the crushing box. The two sieve plate members are inclined, and one side of one sieve plate member away from the hinge shaft abuts against the top surface of the other sieve plate member. Limit rods are arranged on the bottom surfaces of the two sieve plate members. Poking rods are connected to the tops of the two sieve plate members. The poking rods penetrate through the side wall of the crushing box and are in intermittent transmission cooperation with the second motor through a transmission component.

[0014] Preferably, the sieve plate member includes a sieve plate fixedly connected to the poking rod. A plurality of sleeves are connected to the top surface of the sieve plate. The sleeves communicate with the sieve holes on the sieve plate. A rebound plate is arranged on the sieve plate. A plurality of powder guide pipes are inserted into the rebound plate. The tops of the powder guide pipes are flush with the top surface of the rebound plate. The bottom ends of the powder guide pipes are slidably fitted in the sleeves. The bottom ends of the powder guide pipes extend out of the sieve holes, and springs are sleeved on the powder guide pipes. The top ends of the springs are fixedly connected to the bottom surface of the rebound plate, and the bottom ends of the springs are connected to the top surface of the sieve plate.

[0015] Preferably, the transmission component includes a rotating shaft rotatably connected to the crushing box. Both ends of the rotating shaft penetrate through the side wall of the crushing box and are connected with wire winding discs. The ropes on the wire winding discs are connected to the poking rods. One end of the rotating shaft is connected with a semi-gear. A first gear is rotatably connected to the outer wall of the crushing box. The first gear is in meshing transmission with the semi-gear. The first gear is in transmission cooperation with the crushing roller.

[0016] Preferably, the second stirring component includes a turntable rotatably connected to the middle of the inner bottom wall of the mixing box. A discharge hole is opened in the middle of the turntable. A conical cylinder is coaxially connected to the top surface of the turntable. The large diameter end of the conical cylinder is close to the turntable for connection. A plurality of first stirring rods are connected to the outer wall of the conical cylinder. The conical cylinder is in transmission connection with the third motor through a transmission member.

[0017] Preferably, the transmission member includes an annular internal gear ring coaxially arranged with the output shaft of the third motor. A stirring gear three is fixedly sleeved on the output shaft of the third motor. The annular internal gear ring is in transmission cooperation with the stirring gear three through a gear set. The top end of the conical cylinder is connected to the annular internal gear ring through a connecting rod.

[0018] Preferably, the first stirring assembly includes a stirring shaft connected to the third motor. The lower part of the stirring shaft extends into the conical cylinder and is coaxially arranged with the conical cylinder. A spiral blade and a plurality of second stirring rods are sequentially arranged on the stirring shaft in the conical cylinder from bottom to top. A plurality of third stirring rods are arranged on the inner wall of the conical cylinder, and the third stirring rods are arranged staggered with the second stirring rods.

[0019] Compared with the prior art, the present invention has the following advantages and technical effects:

[0020] A crushing and mixing device for coal-based solid waste filling provided by the present invention can orderly scatter the coal-based solid waste in the feeding hopper onto the crushing mechanism through the provided material distribution mechanism for crushing. The crushed coal-based solid waste powder passes through the powder sieve mechanism for sieving and smoothly enters the mixing box, and is fully mixed under the linkage stirring of the first stirring assembly and the second stirring assembly.

[0021] The present invention accurately regulates the feeding rhythm through the material distribution mechanism to avoid material accumulation or idling phenomena. The double stirring assemblies rotate at different speeds to form a composite flow field, further improving the stirring uniformity. Description of the Drawings

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:

[0023] Figure 1 It is a schematic structural diagram of a crushing and mixing device for coal-based solid waste filling proposed by the present invention;

[0024] Figure 2 For Figure 1 The partial enlarged view at A in

[0025] Figure 3 It is a schematic diagram of the crushing mechanism in the present invention;

[0026] Figure 4 It is a schematic structural diagram of the sieve plate part in the present invention;

[0027] Among them: 1. Substrate; 2. Discharge hopper; 3. Rotating shaft; 4. Take-up reel; 5. Half gear; 6. Gear 1; 7. Pulley 1; 8. Belt 1; 9. Pulley 2; 10. Gear 2; 11. Crushing roller; 12. Crushing box; 13. Feed hopper; 14. Partition board; 15. Scraper; 16. Motor 1; 17. Rotating rod; 18. Hose; 19. Sprinkler head; 20. Slide block; 21. Slide bar; 22. Reciprocating lead screw; 23. Pulley 3; 24. Belt 2; 25. Pulley 4; 26. Motor 2; 27. Poking rod; 28. Rope; 29. Limiting rod; 30. Sieve plate; 31. Screw conveyor; 32. Motor 3; 33. Water inlet pipe; 34. Connecting rod; 35. Mixing box; 36. Conical cylinder; 37. Stirring rod 1; 38. Spiral blade; 39. Discharge pipe; 40. Discharge hole; 41. Turntable; 42. Stirring rod 2; 43. Stirring rod 3; 44. Stirring shaft; 45. Annular internal gear ring; 46. Stirring gear 1; 47. Stirring gear 2; 48. Stirring gear 3; 49. Sleeve; 50. Spring; 51. Powder guiding pipe; 52. Rebound plate. Specific embodiments

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0029] To make the above objects, features, and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] The following explanations are made for the nouns in the embodiments:

[0031] Coal-based solid waste is solid waste generated during coal mining, washing, combustion, and conversion processes, mainly including coal gangue, fly ash, slag, desulfurized gypsum, and coal gasification ash slag, etc. Among them, coal gangue is solid waste containing carbon, sulfur, and metal elements discharged during coal seam mining and washing; fly ash is fine ash collected from the flue gas of coal-fired power plants, mainly containing silicon, aluminum, and iron oxides; slag is a solid formed by the cooling of molten minerals after coal combustion.

[0032] Resource utilization technology

[0033] Building materials field:

[0034] Coal gangue bricks: The annual output reaches 20 billion pieces, replacing clay bricks.

[0035] Cement / concrete: Thermally activated coal gangue is used as a mixing material to improve the performance of cement; after pretreatment, it is used as concrete aggregate.

[0036] Glass-ceramics: High-grade decorative materials are prepared from fly ash, with strong wear resistance.

[0037] Agricultural field:

[0038] Soil improvement: Coal gangue contains organic matter and trace elements, which can improve soil structure.

[0039] Compound fertilizer: Mixed with superphosphate to make fertilizer, which can promote plant growth.

[0040] Chemical industry field:

[0041] Silica white: Used for reinforcing rubber and plastics, replacing traditional materials.

[0042] Silicon carbide: High temperature resistant and corrosion resistant, used as industrial filler.

[0043] High-value utilization:

[0044] Aluminum-silicon-based products: Through the molten mineral phase reconstruction technology, high-value-added materials such as alumina and molecular sieve are extracted.

[0045] Fluidized bed incineration power generation: The carbon component is efficiently burned for power generation, and the daily treatment capacity of a single incinerator reaches 500 tons.

[0046] The gear set is a mechanical transmission system composed of multiple gears, shafts, bearings and lubrication systems. Its core function is to transmit torque, change speed and direction through gear meshing. Its composition includes:

[0047] Gear types: Straight teeth, helical teeth, bevel teeth, worm and worm gear, etc.

[0048] Support components: Rolling bearings (reduce friction) and sliding bearings (adapt to high-speed heavy loads).

[0049] Lubrication system: Includes lubricating oil / grease, used to reduce wear and improve efficiency.

[0050] Transmission principle:

[0051] When gears mesh, frictional force is generated at the tooth profile contact, driving the driven wheel to rotate.

[0052] Speed relationship: If the number of teeth of the driving wheel is Z1 and the number of teeth of the driven wheel is Z2, then the transmission ratio i = Z2 / Z1, and the speed n2 = n1×(Z1 / Z2).

[0053] Torque change: Torque is inversely proportional to speed, that is, T2 = T1×(Z2 / Z1).

[0054] Core function:

[0055] Speed increase / decrease: Adjust the output speed through the tooth ratio.

[0056] Direction-changing transmission: Bevel gears or worm gears change the direction of motion.

[0057] Power splitting: The planetary gear set realizes multi-path transmission.

[0058] Refer to Figures 1 to 4 As shown, the present invention provides a crushing and mixing device for coal-based solid waste filling, comprising:

[0059] A feeding hopper 13, in which a material distribution mechanism is arranged for distributing coal-based solid waste.

[0060] A crushing box 12, the top end of which is communicated with the bottom end of the feeding hopper 13; a crushing mechanism and a screening mechanism are sequentially arranged in the crushing box 12 from top to bottom.

[0061] A mixing box 35, the upper part of which is communicated with the discharge port of the crushing box 12. In the middle of the top end of the mixing box 35, a third motor 32 is installed. The output end of the third motor 32 penetrates the top wall of the crushing box 12 and is connected with a first stirring assembly. On the inner bottom wall of the crushing box 12, a second stirring assembly is arranged. The end of the first stirring assembly extends into the second stirring assembly, and the second stirring assembly is in transmission cooperation with the third motor 32.

[0062] In this embodiment, the device in the present invention is fixed on a substrate 1, which is convenient for installation and construction on the one hand and improves the stability of the whole device on the other hand. A screw conveyor 31 is arranged on one side of the feeding hopper 13 to facilitate the transfer of coal-based solid waste into the feeding hopper 13; a water inlet pipe 33 is arranged on the mixing box 35 to introduce water required for stirring.

[0063] Through the arranged material distribution mechanism, the coal-based solid waste in the feeding hopper 13 can be scattered orderly on the crushing mechanism for crushing. The crushed coal-based solid waste powder passes through the screening mechanism and smoothly enters the mixing box 35, and is fully mixed under the linkage stirring of the first stirring assembly and the second stirring assembly.

[0064] The present invention accurately regulates the feeding rhythm through the material distribution mechanism to avoid material accumulation or idling phenomena. The two stirring assemblies rotate at a differential speed to form a composite flow field, further improving the stirring uniformity.

[0065] Furthermore, the material distribution mechanism includes a partition plate 14 horizontally connected inside the feeding hopper 13. Through holes for material falling are formed on the partition plate 14. In the middle of the top end of the feeding hopper 13, a first motor 16 is installed. The output shaft of the first motor 16 penetrates the top wall of the feeding hopper 13 and is connected with a rotating rod 17. A plurality of scraping plates 15 are circumferentially and equidistantly connected to the rotating rod 17, and the scraping plates 15 are in sliding contact with the top surface of the partition plate 14.

[0066] The first motor 16 drives the rotating rod 17 and the scraper 15 to rotate, so that the coal-based solid waste can pass through the through holes orderly and fall on the crushing mechanism.

[0067] Furthermore, the crushing mechanism includes two crushing rollers 11 rotatably connected to the opposite inner walls of the crushing box 12. Gear two 10 is connected to the rotating shafts of both crushing rollers 11, and the two gear two 10 are meshed with each other. One of the crushing rollers 11 is in transmission cooperation with the second motor 26.

[0068] The second motor 26 drives one of the crushing rollers 11 to rotate. Through the meshing transmission of the two gear two 10, the two crushing rollers 11 rotate towards each other to realize the crushing of the coal-based solid waste.

[0069] Furthermore, a reciprocating lead screw 22 is rotatably connected to the opposite inner walls of the crushing box 12. The reciprocating lead screw 22 is in transmission cooperation with the second motor 26. A slider 20 is threadedly connected to the reciprocating lead screw 22. A slide bar 21 is connected to the opposite inner walls of the crushing box 12. The slider 20 is slidably limited on the slide bar 21. A hose 18 is connected to the partition 14. One end of the hose 18 is communicated with the through hole, and the other end of the hose 18 is fixed on the slider 20 and is correspondingly arranged above the two crushing rollers 11.

[0070] In this embodiment, a pulley four 25 is fixedly sleeved on the output end of the second motor 26. One end of the reciprocating lead screw 22 is connected with a pulley three 23 and is in transmission cooperation with the pulley four 25 through a belt two 24. The rotating reciprocating lead screw 22 enables the slider 20 to drive the nozzle 19 to reciprocate. The nozzle 19 is communicated with the discharge port of the hose 18, and then the coal-based solid waste is orderly sprinkled between the two crushing rollers 11 and crushed rhythmically, ensuring the effectiveness of the crushing of the coal-based solid waste and improving the crushing effect.

[0071] Furthermore, the screening mechanism includes sieve plate members respectively rotatably connected to the opposite inner walls of the crushing box 12. The two sieve plate members are inclined, and one side of one sieve plate member away from the hinge shaft abuts against the top surface of the other sieve plate member. Limiting rods 29 are arranged on the bottom surfaces of the two sieve plate members. Poking rods 27 are connected to the tops of the two sieve plate members. The poking rods 27 penetrate through the side wall of the crushing box 12 and are in intermittent transmission cooperation with the second motor 26 through a transmission component.

[0072] Through the intermittent transmission of the poking rod 27 and the second motor 26, the up-and-down reciprocating swing of the two sieve plate members is realized, improving the screening efficiency of the coal-based solid waste powder.

[0073] Further, the sieve plate member includes a sieve plate 30 fixedly connected to the lever 27. A plurality of sleeves 49 are connected to the top surface of the sieve plate 30. The sleeves 49 communicate with the sieve holes on the sieve plate 30. A rebound plate 52 is arranged on the sieve plate 30. A plurality of powder guide pipes 51 are inserted into the rebound plate 52. The top ends of the powder guide pipes 51 are flush with the top surface of the rebound plate 52. The bottom ends of the powder guide pipes 51 are slidably fitted in the sleeves 49. The bottom ends of the powder guide pipes 51 extend out of the sieve holes. A spring 50 is sleeved on the powder guide pipes 51. The top end of the spring 50 is fixedly connected to the bottom surface of the rebound plate 52. The bottom end of the spring 50 is connected to the top surface of the sieve plate 30.

[0074] Qualified coal-based solid waste powder falls into the feeding hopper 2 through the powder guide pipes 51. Since the feeding hopper 2 is inclined, it is convenient for the coal-based solid waste powder to smoothly enter the conical cylinder 36. Larger particles hit the rebound plate 52 and are rebounded between the two crushing rollers 11 under the action of the spring 50 for re-crushing.

[0075] Further, the transmission assembly includes a rotating shaft 3 rotatably connected to the crushing box 12. Both ends of the rotating shaft 3 penetrate through the side wall of the crushing box 12 and are connected with wire reels 4. The ropes 28 on the wire reels 4 are connected to the lever 27. One end of the rotating shaft 3 is connected with a half gear 5. A first gear 6 is rotatably connected to the outer wall of the crushing box 12. The first gear 6 is meshed and driven with the half gear 5. The first gear 6 is in transmission cooperation with the crushing roller 11.

[0076] In this embodiment, a second belt pulley 9 is connected to the shaft end of one of the crushing rollers 11. A first belt pulley 7 is rotatably connected to the outer wall of the crushing box 12. The first belt pulley 7 is in transmission cooperation with the second belt pulley 9 through a first belt 8. A first gear 6 is fixedly sleeved on the shaft where the first belt pulley 7 is located. The half gear 5 on the rotating shaft 3 is meshed and driven with the first gear 6, thereby driving the rotating shaft 3 and the wire reel 4 to rotate synchronously. The rope 28 is tightened and pulls the lever 27 to rotate. At this time, the two sieve plate members are turned up synchronously. When the half gear 5 rotates in the toothless interval, the transmission between the half gear 5 and the first gear 6 fails. The two sieve plates quickly turn down under the action of gravity and are limited by the limiting rod 29. Larger coal-based solid waste particles are rebounded to between the two crushing rollers 11 for re-crushing during the falling process. At the same time, the qualified coal-based solid waste powder smoothly passes through the powder guide pipes 51. Through such a structural setting, not only the sieving efficiency of the coal-based solid waste powder is improved, but also the unqualified coal-based solid waste particles are repeatedly crushed to improve the crushing efficiency.

[0077] Further, the second stirring assembly includes a turntable 41 rotatably connected to the middle of the inner bottom wall of the mixing box 35. A discharge hole 40 is opened in the middle of the turntable 41. A conical cylinder 36 is coaxially connected to the top surface of the turntable 41. The large-diameter end of the conical cylinder 36 is connected close to the turntable 41. A plurality of first stirring rods 37 are connected to the outer wall of the conical cylinder 36. The conical cylinder 36 is in transmission connection with the motor three 32 through a transmission member.

[0078] The motor three 32 drives the turntable 41 and the conical cylinder 36 to rotate through a transmission member. The conical cylinder 36 drives the first stirring rod 37 to stir the coal-based solid waste powder and water. When the stirred mixture exceeds the height of the conical cylinder 36, it enters the conical cylinder 36 and is secondarily stirred by the first stirring assembly to improve the mixing effect.

[0079] Further, the transmission member includes an annular internal gear ring 45 coaxially arranged with the output shaft of the motor three 32. The output shaft of the motor three 32 is fixedly sleeved with a third stirring gear 48. The annular internal gear ring 45 is in transmission cooperation with the third stirring gear 48 through a gear set. The top end of the conical cylinder 36 is connected to the annular internal gear ring 45 through a connecting rod 34.

[0080] By arranging the number of gear sets, the first stirring assembly and the second stirring assembly can rotate in the same direction but out of sync or in the reverse direction. In this embodiment, two gears, namely the second stirring gear 47 and the first stirring gear 46, are sequentially arranged on the bottom wall of the mixing tank 35. By setting the gear ratio, the first stirring assembly and the second stirring assembly stir in the same direction but out of sync.

[0081] Further, the first stirring assembly includes a stirring shaft 44 connected to the motor three 32. The lower part of the stirring shaft 44 extends into the conical cylinder 36 and is coaxially arranged with the conical cylinder 36. A spiral blade 38 and a plurality of second stirring rods 42 are sequentially arranged on the stirring shaft 44 located inside the conical cylinder 36 from bottom to top. A plurality of third stirring rods 43 are arranged on the inner wall of the conical cylinder 36. The third stirring rods 43 and the second stirring rods 42 are arranged staggeredly.

[0082] The motor three 32 drives the stirring shaft 44 to rotate, realizing secondary stirring of the coal-based solid waste powder inside the conical cylinder 36. At the same time, the stirring shaft 44 drives the spiral blade 38 to rotate, and the stirred coal-based solid waste powder is pushed to the discharge pipe 39 through the discharge hole 40, facilitating discharge.

[0083] The coal-based solid waste filling crushing and mixing device provided by the present invention has the following working principle: When in use, the screw conveyor 31 feeds materials into the hopper 2. The first motor 16 drives the rotating rod 17 and the scraper 15 to rotate, so that the coal-based solid waste passes through the through holes orderly and is scattered orderly between the two crushing rollers 11 through the hose 18 and the nozzle 19 on the reciprocating screw rod 22. A second pulley 9 is connected to the rotating shaft end of one of the crushing rollers 11, and a first pulley 7 is rotatably connected to the outer wall of the crushing box 12. The first pulley 7 is in transmission cooperation with the second pulley 9 through the first belt 8. A first gear 6 is fixedly sleeved on the rotating shaft where the first pulley 7 is located. The half gear 5 on the rotating shaft 3 meshes with the first gear 6 for transmission, thereby driving the rotating shaft 3 and the wire reel 4 to rotate synchronously. The rope 28 is tightened and pulls the lever 27 to rotate. At this time, the two sieve plate parts turn up synchronously. When the half gear 5 rotates in the toothless interval, the transmission between the half gear 5 and the first gear 6 fails. The two sieve plates turn down rapidly under the action of gravity and are limited by the limiting rod 29. The coal-based solid waste with larger particles is bounced back to between the two crushing rollers 11 by hitting the rebound plate 52 again during the falling process for re-crushing. At the same time, the qualified coal-based solid waste powder smoothly passes through the powder guide pipe 51 and enters the mixing box 35. The third motor 32 drives the turntable 41 and the conical cylinder 36 to rotate through the transmission member. The conical cylinder 36 drives the first stirring rod 37 to stir the coal-based solid waste powder and water. When the stirred mixture exceeds the height of the conical cylinder 36, it enters the conical cylinder 36. At the same time, the third motor 32 drives the stirring shaft 44 to rotate, realizing secondary stirring of the coal-based solid waste powder inside the conical cylinder 36. At the same time, the stirring shaft 44 drives the spiral blade 38 to rotate, and the stirred coal-based solid waste powder is pushed to the discharge pipe 39 through the discharge hole 40 for convenient discharging.

[0084] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0085] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present application should be covered within the protection scope of the present application.

Claims

1. A crushing and mixing device for coal-based solid waste filling, characterized in that: include: A feeding hopper (13), wherein a material distribution mechanism is arranged in the feeding hopper (13), and the material distribution mechanism is used to distribute the coal-based solid waste; A crushing box (12), the top end of which is connected to the bottom end of the feed hopper (13); a crushing mechanism and a screening mechanism are sequentially arranged in the crushing box (12) from top to bottom; A mixing box (35), the upper part of which is connected to the discharge port of the crushing box (12), a motor three (32) is installed in the middle of the top end of the mixing box (35), the output end of the motor three (32) passes through the top wall of the crushing box (12) and is connected to a stirring component one, a stirring component two is arranged on the inner bottom wall of the crushing box (12), the end of the stirring component one extends into the stirring component two, and the stirring component two is matched with the motor three (32) in transmission.

2. The crushing and mixing device for coal-based solid waste filling according to claim 1, characterized in that: The material distribution mechanism comprises a partition (14) which is laterally connected to the inside of the feed hopper (13); a through hole for feeding is provided on the partition (14); a motor (16) is installed in the middle of the top end of the feed hopper (13); an output shaft of the motor (16) passes through the top wall of the feed hopper (13) and is connected to a rotating rod (17); a plurality of scrapers (15) are connected to the rotating rod (17) at equal intervals along the circumferential direction; the scrapers (15) are in sliding contact with the top surface of the partition (14).

3. The crushing and mixing device for coal-based solid waste filling according to claim 2, characterized in that: The crushing mechanism comprises two crushing rollers (11) rotatably connected to opposite inner walls of the crushing box (12), the rotating shafts of the two crushing rollers (11) are connected to gears 2 (10), and the two gears 2 (10) are meshed with each other, and one of the crushing rollers (11) is driven by a motor 2 (26).

4. The crushing and mixing device for coal-based solid waste filling according to claim 3 is characterized in that: A reciprocating screw (22) is rotatably connected to the relative inner wall of the crushing box (12), and the reciprocating screw (22) is in transmission cooperation with the second motor (26). A slider (20) is threadedly connected to the reciprocating screw (22), and a slide bar (21) is connected to the relative inner wall of the crushing box (12). The slider (20) is slidably limited on the slide bar (21). A hose (18) is connected to the partition (14), one end of the hose (18) is connected to the through hole, and the other end of the hose (18) is fixed on the slider (20) and is correspondingly arranged above the two crushing rollers (11).

5. The crushing and mixing device for coal-based solid waste filling according to claim 3, characterized in that: The screening mechanism comprises screen plates which are rotatably connected to the inner walls opposite to each other of the crushing box (12), the two screen plates being arranged obliquely and the side of one screen plate away from the hinge shaft being against the top surface of the other screen plate, the bottom surfaces of the two screen plates being provided with limit rods (29), the top ends of the two screen plates being connected with shifting rods (27), the shifting rods (27) penetrating the side walls of the crushing box (12) and intermittently transmitting with the second motor (26) through the transmission assembly.

6. The crushing and mixing device for coal-based solid waste filling according to claim 5, characterized in that: The sieve plate member comprises a sieve plate (30) fixedly connected to the lever (27); a plurality of sleeves (49) are connected to the top surface of the sieve plate (30); the sleeves (49) are communicated with the sieve holes on the sieve plate (30); a rebound plate (52) is provided on the sieve plate (30); a plurality of powder guide tubes (51) are inserted on the rebound plate (52); the top ends of the powder guide tubes (51) are flush with the top surface of the rebound plate (52); the bottom ends of the powder guide tubes (51) are slidably fitted in the sleeves (49); the bottom ends of the powder guide tubes (51) extend out of the sieve holes; a spring (50) is sleeved on the powder guide tube (51); the top end of the spring (50) is fixedly connected to the bottom surface of the rebound plate (52); and the bottom end of the spring (50) is connected to the top surface of the sieve plate (30).

7. The crushing and mixing device for coal-based solid waste filling according to claim 5, characterized in that: The transmission assembly comprises a rotating shaft (3) rotatably connected to the crushing box (12), both ends of the rotating shaft (3) pass through the side wall of the crushing box (12) and are connected to a take-up drum (4), a rope (28) on the take-up drum (4) is connected to the shifting rod (27), one end of the rotating shaft (3) is connected to a half gear (5), the outer wall of the crushing box (12) is rotatably connected to a gear 1 (6), the gear 1 (6) is meshed with the half gear (5) for transmission, and the gear 1 (6) is matched with the crushing roller (11) for transmission.

8. The crushing and mixing device for coal-based solid waste filling according to claim 1, characterized in that: The stirring assembly 2 comprises a turntable (41) rotatably connected to the middle of the inner bottom wall of the mixing box (35), a discharge hole (40) is opened in the middle of the turntable (41), a conical cylinder (36) is coaxially connected to the top surface of the turntable (41), the large diameter end of the conical cylinder (36) is connected close to the turntable (41), a plurality of stirring rods 1 (37) are connected to the outer wall of the conical cylinder (36), and the conical cylinder (36) is connected to the motor 3 (32) through a transmission member.

9. The crushing and mixing device for coal-based solid waste filling according to claim 8, characterized in that: The transmission member comprises an annular inner gear ring (45) coaxially arranged with the output shaft of the motor three (32); the output shaft of the motor three (32) is fixedly sleeved with a stirring gear three (48); the annular inner gear ring (45) is transmission-coordinated with the stirring gear three (48) via a gear set; and the top end of the conical cylinder (36) is connected to the annular inner gear ring (45) via a connecting rod (34).

10. The crushing and mixing device for coal-based solid waste filling according to claim 9, characterized in that: The stirring assembly (1) comprises a stirring shaft (44) connected to a motor (32), the lower portion of the stirring shaft (44) extends into the conical cylinder (36) and is coaxially arranged with the conical cylinder (36), a spiral blade (38) and a plurality of stirring rods (42) are arranged in sequence from bottom to top on the stirring shaft (44) located in the conical cylinder (36), a plurality of stirring rods (43) are arranged on the inner wall of the conical cylinder (36), and the stirring rods (43) and the stirring rods (42) are arranged alternately.

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