Coal gangue resource utilization crushing device

Abstract

The invention is suitable for the technical field of coal gangue processing, and provides a coal gangue resource utilization crushing device which comprises a mounting box and a shell arranged at the top of the mounting box. The grinding mechanism comprises at least one group of grinding rollers which are arranged in the shell and are matched with each other, and a plurality of conical blocks which are fixed on the grinding rollers and the inner wall of the shell, and the grinding mechanism is used for grinding coal gangue; the feeding anti-blocking mechanism comprises a scattering rod and a reciprocating dredging assembly which are arranged in the feeding channel of the shell; and the power distribution mechanism comprises a motor and a transmission mechanism for synchronously driving the grinding roller and the reciprocating dredging assembly through a multi-stage transmission mechanism. According to the crushing device for resource utilization of the coal gangue, through the feeding anti-blocking mechanism and the reciprocating dredging assembly, the problem that the feeding port is blocked is effectively solved, the frequency of equipment shutdown cleaning is reduced, and the treatment efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of coal gangue processing, and in particular relates to a coal gangue resource utilization and crushing device. Background Art

[0002] Gangue, a solid waste generated during coal mining and washing, accumulates over time, not only occupying significant land resources but also causing environmental pollution and safety hazards. With tightening environmental protection policies and the deepening of the concept of resource recycling, the resource utilization of gangue has become a key component of the coal industry's green transformation, and efficient crushing is a crucial prerequisite for achieving its resource utilization.

[0003] At present, in the process of crushing coal gangue, the existing crushing equipment often causes congestion in the feed port due to the high hardness, uneven particles and easy adhesion of coal gangue, forcing the equipment to be frequently shut down for cleaning, seriously affecting the processing efficiency. Summary of the Invention

[0004] The present invention provides a coal gangue resource utilization crushing device, which aims to solve the problem of feed congestion in the crushing process of the current crushing device proposed in the above background technology.

[0005] To solve the above problems, the present invention is implemented as follows: a coal gangue resource utilization and crushing device, comprising: an installation box and a shell arranged on the top thereof; a crushing mechanism, comprising at least one group of mutually cooperating crushing rollers arranged in the shell, and a plurality of cone blocks fixed to the crushing rollers and the inner wall of the shell, for crushing coal gangue; a feed anti-blocking mechanism, comprising a spreading rod and a reciprocating dredging component arranged in the feed channel of the shell; a power distribution mechanism, comprising a motor and a transmission mechanism that synchronously drives the crushing rollers and the reciprocating dredging component through a multi-stage transmission mechanism; a screening mechanism, comprising a screen drum obliquely arranged in the shell for screening the crushed coal gangue material, and a first mesh slot and a second mesh slot arranged below the screen drum, for receiving and exporting the screened crushed coal gangue material.

[0006] Preferably, the reciprocating dredging assembly includes: a mounting frame fixed to the mounting box; a rotating rod assembled on the mounting frame through a bearing, the bottom end of the rotating rod being fixedly connected to the crushing roller; an assembly plate fixed to the rotating rod, a sliding rod being slidably mounted on the assembly plate, the bottom end of the sliding rod being fixedly connected to the scattering rod; a spring sleeved on the sliding rod; a sleeve plate slidably sleeved on the rotating rod, the bottom of the sleeve plate being fixedly connected to the top end of the sliding rod; and a rotatable cam arranged above the sleeve plate.

[0007] Preferably, the transmission mechanism includes: a speed regulator fixedly connected to the input shaft and the output shaft of the motor through a coupling; a first transmission rod assembled on the mounting box through a bearing, and the first transmission rod and the output shaft of the speed regulator are respectively fixed with first bevel teeth that mesh with each other; a second transmission rod assembled on the mounting frame through a bearing, and the second transmission rod is fixedly connected to the cam for driving it to rotate; second bevel teeth respectively fixed on the second transmission rod and the first transmission rod and meshed with each other; and third bevel teeth respectively fixed on the second transmission rod and the rotating rod and meshed with each other.

[0008] Preferably, the bottom of the shell is fixedly connected to a discharge pipe, an auger for guiding the crushed coal gangue material is provided in the discharge pipe, and the top of the auger is fixedly connected to the bottom of the crushing roller.

[0009] Preferably, a transfer trough is provided in the installation box, and the transfer trough is used for transferring and processing the crushed coal gangue material discharged from the discharge pipe, and the discharge trough on the transfer trough extends into the screen drum.

[0010] Preferably, a first sewage pipe and a second sewage pipe are fixedly connected to the installation box and the transfer tank respectively, and the water outlet end of the second sewage pipe extends out of the installation box.

[0011] Preferably, a rotatable connecting frame is fixedly mounted on the screen drum, a brush plate is fixed to the inner wall of the mounting box by bolts, one end of the brush plate extends into the screen drum, and the bristles thereof are in contact with the inner wall of the screen drum.

[0012] Preferably, a bracket is fixed in the shell, a support column is symmetrically fixed to the top of the bracket, a ball is embedded on the top of the support column, and the ball is in contact with the bottom of the crushing roller.

[0013] Preferably, a water channel for water to flow through is opened on the rotating rod, and the water channel is connected to a conduit fixed on the rotating rod, and the water outlet end of the conduit is fixedly connected to an annular nozzle for spraying water.

[0014] Preferably, support legs are symmetrically fixedly installed on the bottom of the installation box, support plates are fixed on the bottom of the support legs, and a water spray pipe for spraying water to the screen drum is provided in the installation box.

[0015] Compared with related technologies, the coal gangue resource utilization crushing device provided by the present invention has the following beneficial effects: Compared with the existing technology, the coal gangue resource utilization crushing device provided by this solution effectively solves the problem of feed port blockage through the reciprocating dredging component of the feed anti-blocking mechanism, reduces the frequency of equipment shutdown and cleaning, and improves processing efficiency; the screening mechanism realizes the graded screening of the crushed coal gangue material, ensures the stability of product quality, and improves resource utilization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of a coal gangue resource utilization crushing device provided by the present invention; Figure 2 This is a schematic diagram of the main cross-sectional structure of a coal gangue resource utilization crushing device provided by the present invention; Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A shown in FIG; Figure 4 for Figure 2 Schematic diagram of the enlarged structure of part B shown in FIG; Figure 5 for Figure 2 Schematic diagram of the enlarged structure of part C shown in ; Figure 6 for Figure 2 Schematic diagram of the enlarged structure of part D shown in FIG; Figure 7 Schematic diagram of the structure of the transfer tank in the present invention; Figure 8 It is a structural schematic diagram of the screen drum in the present invention; Figure 9 It is a structural schematic diagram of the material receiving tray in the present invention; Figure 10 It is a structural schematic diagram of the first mesh slot and the second mesh slot in the present invention.

[0017] Reference numerals: 1, mounting box; 2, housing; 3, crushing roller; 4, cone block; 5, rotating rod; 6, assembly plate; 7, spreading rod; 8, motor; 9, speed regulator; 10, first transmission rod; 11, first bevel gear; 12, second transmission rod; 13, second bevel gear; 14, third bevel gear; 15, cam; 16, sleeve plate; 17, slide rod; 18, spring; 19, discharge pipe; 20, transfer trough; 21, limiting ring; 22, sleeve ring; 23, screen drum; 24, first mesh trough; 25, second mesh trough; 26, first sewage pipe; 2 7. Second sewage pipe; 28. Auger; 29. ​​Receiving tray; 30. Second rotating shaft; 31. Third transmission rod; 32. Fourth bevel gear; 33. Fifth bevel gear; 34. Fixed plate; 35. Fourth transmission rod; 36. Pulley; 37. Transmission belt; 38. First rotating shaft; 39. Sixth bevel gear; 40. Connecting frame; 41. Brush plate; 42. Spray pipe; 43. Waterway; 44. Rotary joint; 45. Conduit; 46. Annular nozzle; 47. Mounting frame; 48. Bracket; 49. Water pump; 50. Outlet pipe; 51. Water guide pipe. DETAILED DESCRIPTION

[0018] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0019] The embodiment of the present invention provides a coal gangue resource utilization crushing device, such as Figure 1-10 As shown, the coal gangue resource utilization crushing device includes: an installation box 1 and a shell 2 arranged on the top thereof; a crushing mechanism, including at least one group of mutually cooperating crushing rollers 3 arranged in the shell 2, and a plurality of cone blocks 4 fixed to the crushing rollers 3 and the inner wall of the shell 2, for crushing coal gangue; a feed anti-blocking mechanism, including a spreading rod 7 and a reciprocating dredging component arranged in the feed channel of the shell 2; a power distribution mechanism, including a motor 8 and a transmission mechanism that synchronously drives the crushing rollers 3 and the reciprocating dredging component through a multi-stage transmission mechanism; a screening mechanism, including a screen drum 23 obliquely arranged in the shell 2 for screening the crushed coal gangue material, and a first mesh slot 24 and a second mesh slot 25 arranged below the screen drum 23, for receiving and exporting the screened crushed coal gangue material.

[0020] In this embodiment, gangue enters the device through the feed channel of the housing 2. The scattering rod 7 rotates to break up the incoming gangue, preventing it from clogging the feed port due to uneven particle size and easy adhesion. Simultaneously, the rotating rod 5 rotates the crushing roller 3, which cooperates with the cone block 4 on the inner wall of the housing 2 to crush the gangue. The crushed gangue is screened by the sieve drum 23. Gangue that meets the particle size requirements falls into the first mesh slot 24, while gangue that does not meet the requirements falls into the second mesh slot 25, and is ultimately discharged from the device. The incorporation of a feed blocking mechanism solves the problem of gangue's inherent characteristics causing feed inlet blockage, reduces the frequency of equipment shutdowns for cleaning, and improves gangue processing efficiency. Furthermore, the screening mechanism allows for graded screening of crushed gangue, ensuring product quality stability and enhancing the efficiency and effectiveness of gangue resource utilization.

[0021] In a further preferred embodiment of the present invention, the reciprocating dredging assembly includes: a mounting frame 47 fixed to the mounting box 1; a rotating rod 5 assembled on the mounting frame 47 through a bearing, the bottom end of the rotating rod 5 is fixedly connected to the crushing roller 3; an assembly plate 6 fixed to the rotating rod 5, a slide rod 17 is slidably mounted on the assembly plate 6, the bottom end of the slide rod 17 is fixedly connected to the beating rod 7; a spring 18 sleeved on the slide rod 17; a sleeve plate 16 slidably sleeved on the rotating rod 5, the bottom of the sleeve plate 16 is fixedly connected to the top of the slide rod 17; and a rotatable cam 15 arranged above the sleeve plate 16.

[0022] In this embodiment, the rotating rod 5 rotates under the power of the power unit, driving the crushing rollers 3 to perform the crushing operation. Simultaneously, the cam 15, driven by the transmission mechanism, rotates and periodically strikes the conical sleeve 16. This striking sleeve 16 slides downward along the rotating rod 5, driving the slide bar 17 downward and compressing the spring 18. Because the bottom end of the slide bar 17 is fixedly connected to the spreading rod 7, the spreading rod 7 moves up and down accordingly. Furthermore, the mounting plate 6 is fixed to the rotating rod 5. The rotation of the rotating rod 5 also rotates the mounting plate 6 and the slide bar 17, allowing the spreading rod 7 to rotate in addition to its up and down motion, thereby breaking up and clearing the gangue in the feed channel.

[0023] In this embodiment, the combined vertical and rotational motion of the spreading rod 7 effectively addresses the problem of gangue clogging the feed port during feeding, caused by its high hardness, uneven particle size, and tendency to stick together. The vertical motion physically clears the gangue in the feed channel, preventing accumulation and blockage; the rotational motion further disperses the gangue particles. This dual motion not only improves feeding smoothness but also reduces the number of equipment shutdowns required for cleaning due to feed blockages, thereby increasing gangue handling efficiency.

[0024] In a further preferred embodiment of the present invention, the transmission mechanism includes: a speed regulator 9 fixedly connected to the input shaft and the output shaft of the motor 8 through a coupling; a first transmission rod 10 assembled on the mounting box 1 through a bearing, and the first transmission rod 10 and the output shaft of the speed regulator 9 are respectively fixed with first bevel teeth 11 that mesh with each other; a second transmission rod 12 assembled on the mounting frame 47 through a bearing, and the second transmission rod 12 is fixedly connected to the cam 15 for driving it to rotate; second bevel teeth 13 fixed on the second transmission rod 12 and the first transmission rod 10 respectively and meshing with each other; third bevel teeth 14 fixed on the second transmission rod 12 and the rotating rod 5 respectively and meshing with each other.

[0025] In this embodiment, the motor 8 is fixedly connected to the input shaft of the speed regulator 9 via a coupling. The output shaft of the speed regulator 9 is connected to the first transmission rod 10 via the first bevel gear 11. The first transmission rod 10 drives the second transmission rod 12 via the second bevel gear 13. The second transmission rod 12 simultaneously drives the rotating rod 5 and the cam 15 via the third bevel gear 14. The rotation of the rotating rod 5 drives the crushing roller 3 to perform the crushing operation, while the rotation of the cam 15, by striking the sleeve plate 16, causes the slide rod 17 and the spreading rod 7 to reciprocate up and down, thereby breaking up and clearing the coal gangue in the feed channel. The transmission mechanism design enables power distribution and synchronous drive of motor 8. The speed regulator 9 allows for flexible adjustment of power output to suit different processing requirements. The meshing of the first, second, and third bevel teeth 11, 13, and 14 allows for efficient power transmission to the crushing roller 3 and reciprocating dredging assembly, ensuring the synchronization of crushing and feed dredging.

[0026] In a further preferred embodiment of the present invention, the bottom of the shell 2 is fixedly connected to a discharge pipe 19 , and an auger 28 for guiding the crushed coal gangue material is provided in the discharge pipe 19 , and the top of the auger 28 is fixedly connected to the bottom of the crushing roller 3 .

[0027] In this embodiment, after the gangue is crushed by the crushing mechanism, the crushed gangue material falls into the discharge pipe 19 at the bottom of the housing 2. The auger 28 within the discharge pipe 19 rotates, driven by the crushing roller 3, directing the crushed gangue material out of the device through the discharge pipe 19. Because the top of the auger 28 is fixedly connected to the bottom of the crushing roller 3, its rotation is synchronized with the rotation of the crushing roller 3, ensuring that the crushed gangue material can be smoothly discharged from the housing 2.

[0028] In a further preferred embodiment of the present invention, a transfer trough 20 is provided in the installation box 1 , and the transfer trough 20 is used for transferring and processing the crushed coal gangue material discharged from the discharge pipe 19 , and the discharge trough on the transfer trough 20 extends into the screen drum 23 .

[0029] In this embodiment, the crushed gangue material discharged from the discharge pipe 19 first falls into the transfer chute 20 within the installation box 1. The transfer chute 20 collects the discharged crushed gangue material, ensuring a more even distribution. The crushed gangue material then flows through the discharge chute on the transfer chute 20 and enters the screen drum 23 for screening. This process, through the transfer chute 20, ensures that the crushed gangue material is evenly discharged into the screen drum 23, avoiding the congestion that may occur if it is discharged directly into the screen drum 23.

[0030] By providing the transfer chute 20 , the crushed coal gangue material is uniformly discharged into the screen drum 23 , thereby avoiding the problem of clogging of the screen drum 23 caused by concentrated discharge of materials.

[0031] In a further preferred embodiment of the present invention, a first sewage pipe 26 and a second sewage pipe 27 are fixedly connected to the installation box 1 and the transfer tank 20 respectively, and the water outlet end of the second sewage pipe 27 extends outside the installation box 1.

[0032] In this embodiment, the installation box 1 and transfer tank 20 are connected to the outside via a first drain pipe 26 and a second drain pipe 27, respectively. The first drain pipe 26 is used to drain wastewater from the installation box 1, while the second drain pipe 27 is used to drain wastewater from the transfer tank 20. The outlet of the second drain pipe 27 extends outside the installation box 1, ensuring that wastewater can be discharged smoothly from the device and prevented from accumulating inside.

[0033] In a further preferred embodiment of the present invention, a rotatable connecting frame 40 is fixedly mounted on the screen drum 23, and a brush plate 41 is fixed to the inner wall of the mounting box 1 by bolts, and one end of the brush plate 41 extends into the screen drum 23, and its bristles are in contact with the inner wall of the screen drum 23.

[0034] In this embodiment, the sieve drum 23 is connected to the rotating mechanism via a connecting frame 40. The connecting frame 40 is fixedly mounted on the sieve drum 23 and connected to the rotating mechanism, allowing the sieve drum 23 to rotate under the drive of the rotating mechanism. A brush plate 41 is fixed to the inner wall of the mounting box 1 by bolts, one end of which extends into the sieve drum 23, and the bristles are in contact with the inner wall of the sieve drum 23. When the sieve drum 23 rotates, the bristles clean the inner wall of the sieve drum 23, preventing the accumulation of broken coal gangue on the inner wall of the sieve drum, thereby ensuring the screening efficiency and smooth operation of the sieve drum 23; The screen drum 23 is connected to the rotating mechanism by the connecting frame 40, realizing the rotation function of the screen drum 23. The screen drum 23 can be automatically cleaned by the bristles of the brush plate 41 during rotation, effectively preventing the accumulation of broken coal gangue on the inner wall of the screen drum and avoiding clogging of the screen holes.

[0035] In a further preferred embodiment of the present invention, a bracket 48 is fixed in the shell 2 , support columns are symmetrically fixed to the top of the bracket 48 , and balls are embedded on the top of the support columns, and the balls are in contact with the bottom of the crushing roller 3 .

[0036] In this embodiment, a bracket 48 is fixed within the housing 2. Support columns are symmetrically fixed to the top of the bracket 48. Ball bearings are embedded in the tops of the support columns, which contact the bottom of the crushing roller 3. As the crushing roller 3 rotates, the balls roll on the tops of the support columns, providing support for the crushing roller 3 and reducing friction. This design ensures smoother rotation of the crushing roller 3 while reducing energy loss and equipment wear caused by friction.

[0037] In a further preferred embodiment of the present invention, a water channel 43 for water to flow through is opened on the rotating rod 5, and the water channel 43 is connected to a conduit 45 fixed on the rotating rod 5. The water outlet end of the conduit 45 is fixedly connected to an annular nozzle 46 for spraying water.

[0038] In this embodiment, a water channel 43 is formed on the rotating rod 5 and communicates with a conduit 45 fixed to the rotating rod 5. An annular nozzle 46 is fixedly connected to the outlet end of the conduit 45. Water flows through the water channel 43 into the conduit 45 and is ejected from the annular nozzle 46, forming a water mist or stream that is sprayed onto the dust generated during the gangue crushing process. This design reduces dust dispersion during operation by spraying water mist or stream, improving the operating environment and reducing the impact of dust on the equipment and operators.

[0039] By providing a water channel 43 and a conduit 45 on the rotating rod 5, connected to an annular nozzle 46, a water spraying function is achieved. The sprayed water mist or water flow effectively reduces the dust generated during the gangue crushing process, lowering dust concentration and improving the equipment's operating environment. This design not only reduces dust wear and clogging risks on internal equipment components, but also improves its operating efficiency and stability.

[0040] In a further preferred embodiment of the present invention, support legs are symmetrically fixedly installed on the bottom of the installation box 1, support plates are fixed on the bottom of the support legs, and a water spray pipe 42 for spraying water to the screen drum 23 is provided in the installation box 1.

[0041] In this embodiment, a water spray pipe 42 is provided in the installation box 1. The nozzle of the water spray pipe 42 is directed toward the screen drum 23, and can spray water toward the crushed coal gangue material in the screen drum 23. The water is sprayed out through the water spray pipe 42 to wash the crushed coal gangue material, thereby washing away the dust and impurities on the surface thereof. The provision of water spray pipe 42 allows for flushing of the crushed gangue material within sieve drum 23. This water spray effectively removes dust and impurities from the surface of the crushed gangue material, reducing dust accumulation within sieve drum 23, thereby improving screening efficiency and quality. Furthermore, this water spray reduces the health risks of dust to equipment and operators, improving the working environment.

[0042] In order to further improve the use effect of this device, in addition to the above scheme, this scheme also has the following embodiments: In another embodiment of the present invention, a rotating mechanism for driving the screen drum 23 to rotate is provided in the installation box 1, and the rotating mechanism includes: a fixed plate 34 fixed in the installation box 1, a fourth transmission rod 35 and a first rotating shaft 38 are assembled on the fixed plate 34 through a bearing, the first rotating shaft 38 is fixedly connected to the connecting frame 40, and the fourth transmission rod 35 and the first rotating shaft 38 are fixed with sixth bevel teeth 39 that mesh with each other; a third transmission rod 31 assembled on the fixed plate 34 through a bearing, the third transmission rod 31 and the first transmission rod 10 are fixed with fourth bevel teeth 32 that mesh with each other; pulleys 36 fixedly sleeved on the third transmission rod 31 and the fourth transmission rod 35 respectively, and a transmission belt 37 is sleeved on the two pulleys 36; a limiting ring 21 fixed in the installation box 1, a collar 22 is provided in the limiting ring 21, the collar 22 is fixedly connected to the outer wall of the screen drum 23, and the collar 22 is inlaid with balls, and an annular groove is provided on the inner wall of the limiting ring 21.

[0043] In this embodiment, the rotation of the sieve drum 23 is achieved through power transmission from the first transmission rod 10. The first transmission rod 10 engages with the third transmission rod 31 via the fourth bevel gear 32, transmitting power to the third transmission rod 31. The pulley 36 on the third transmission rod 31 rotates the pulley 36 on the fourth transmission rod 35 via the transmission belt 37, and then transmits power to the first rotating shaft 38 via the sixth bevel gear 39. The first rotating shaft 38 is fixedly connected to the connecting frame 40 of the sieve drum 23, thereby driving the rotation of the sieve drum 23. At the same time, the collar 22 within the retaining ring 21 is embedded with balls. The balls roll in the annular groove of the retaining ring 21, providing stable support for the sieve drum 23 and ensuring its smooth rotation.

[0044] In another embodiment of the present invention, a material guiding mechanism is provided in the transfer trough 20 for receiving crushed coal gangue material, and the material guiding mechanism includes: a receiving tray 29 provided in the transfer trough 20, the receiving tray 29 being conical, with a plurality of receiving areas separated by strips, and a plurality of water leakage holes being provided in the receiving areas; a second rotating shaft 30 assembled on the mounting box 1 through a bearing, the bottom end of the second rotating shaft 30 being fixedly connected to the receiving tray 29; and a fifth bevel gear 33 fixed on the second rotating shaft 30 and the third transmission rod 31 and meshing with each other.

[0045] In this embodiment, the receiving tray 29 is a conical structure, divided into several receiving areas by slats, each of which is equipped with a drainage hole. The second rotating shaft 30 engages with the third transmission rod 31 via fifth bevel teeth 33. When the third transmission rod 31 rotates, the engagement of the bevel teeth slowly drives the second rotating shaft 30 and the receiving tray 29 to rotate. As the receiving tray 29 rotates in the receiving area, the crushed gangue material reaches the notch in the transfer chute 20, slides along the inclined surface into the discharge chute, and then enters the sieve drum 23 for screening.

[0046] The conical receiving tray 29 and the separated receiving areas allow for the collection of crushed gangue. The gentle rotation of the receiving tray 29 smoothly conveys the crushed gangue to the discharge chute and into the sieve drum 23. This design prevents accumulation and blockage of material within the transfer chute 20, ensuring smooth entry into the sieve drum 23 for screening.

[0047] In another embodiment of the present invention, a water supply mechanism is provided on the installation box 1, and the water supply mechanism includes: a water pump 49 fixed on one side of the installation box 1, the water outlet end of the water pump 49 is fixedly connected to a water outlet pipe 50, the water outlet end of the water outlet pipe 50 is fixedly connected to the water spray pipe 42, the water outlet pipe 50 is fixedly connected to a water guide pipe 51, the water outlet end of the water guide pipe 51 is equipped with a rotary joint 44, and the water outlet end of the rotary joint 44 is connected to the water channel 43.

[0048] In this embodiment, when the water pump 49 is working, water flows through the water outlet pipe 50, the water guide pipe 51 and the rotary joint 44 in sequence, enters the water channel 43 of the rotating rod 5, and is sprayed out through the annular nozzle 46, thereby spraying water to the screen drum 23 and the interior of the equipment. The water supply mechanism sprays water into the screen drum 23 and the interior of the equipment. A water pump 49 delivers water to the water pipe 42 and the water channel 43 of the rotating rod 5 via the outlet pipe 50 and the water conduit 51. The water is then ejected through the annular nozzle 46, effectively reducing dust generated during the gangue screening process, improving the working environment and minimizing the risk of dust to the equipment and operators.

[0049] To sum up, compared with related technologies, the reciprocating dredging component of the feed anti-blocking mechanism effectively solves the problem of feed port blockage, reduces the frequency of equipment shutdown and cleaning, and improves processing efficiency; the screening mechanism realizes the graded screening of crushed coal gangue materials, ensures the stability of product quality, and improves resource utilization efficiency.

[0050] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the scope of protection of the invention. Obviously, the embodiments described are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the present invention according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the present invention in essence, and these technical solutions also fall within the scope of protection of the present invention.

Claims

1. A coal gangue resource utilization crushing device, characterized in that: include: An installation box and a shell provided on the top thereof; A crushing mechanism comprising at least one set of mutually cooperating crushing rollers disposed in the housing, and a plurality of cone blocks fixed to the crushing rollers and the inner wall of the housing, for crushing the coal gangue; The feed anti-blocking mechanism includes a spreading rod and a reciprocating dredging component provided in the feed channel of the shell; A power distribution mechanism comprising a motor and a transmission mechanism for synchronously driving the crushing roller and the reciprocating dredging assembly through a multi-stage transmission mechanism; The screening mechanism comprises a screen drum obliquely arranged in the shell for screening the crushed coal gangue material, and a first mesh slot and a second mesh slot arranged below the screen drum for receiving and exporting the screened crushed coal gangue material.

2. The coal gangue resource utilization crushing device according to claim 1, characterized in that: The reciprocating dredging component comprises: a mounting frame fixed to the mounting box; A rotating rod is mounted on the mounting frame via a bearing, wherein the bottom end of the rotating rod is fixedly connected to the crushing roller; An assembly plate fixed to the rotating rod, a slide rod slidably mounted on the assembly plate, the bottom end of the slide rod being fixedly connected to the spreading rod; a spring sleeved on the slide rod; A sleeve plate is slidably mounted on the rotating rod, wherein the bottom of the sleeve plate is fixedly connected to the top of the sliding rod; A rotatable cam is arranged above the sleeve plate.

3. The coal gangue resource utilization crushing device according to claim 2, characterized in that: The transmission mechanism comprises: A speed regulator having an input shaft fixedly connected to an output shaft of the motor via a coupling; a first transmission rod assembled on the mounting box via a bearing, wherein the first transmission rod and the output shaft of the speed regulator are respectively fixed with first bevel teeth that mesh with each other; a second transmission rod mounted on the mounting frame via a bearing, the second transmission rod being fixedly connected to the cam for driving the cam to rotate; second bevel teeth respectively fixed to the second transmission rod and the first transmission rod and meshing with each other; and third bevel teeth respectively fixed on the second transmission rod and the rotating rod and meshing with each other.

4. The coal gangue resource utilization crushing device according to claim 1, characterized in that: The bottom of the shell is fixedly connected to a discharge pipe, and an auger for guiding the crushed coal gangue material is arranged in the discharge pipe. The top of the auger is fixedly connected to the bottom of the crushing roller.

5. The coal gangue resource utilization crushing device according to claim 4, characterized in that: A transfer trough is provided in the installation box, and the transfer trough is used for transferring and processing the crushed coal gangue material discharged from the discharge pipe. The discharge trough on the transfer trough extends into the screen drum.

6. The coal gangue resource utilization crushing device according to claim 5, characterized in that: The installation box and the transfer tank are respectively fixedly connected with a first sewage pipe and a second sewage pipe, and the water outlet end of the second sewage pipe extends out of the installation box.

7. The coal gangue resource utilization crushing device according to claim 1, characterized in that: A rotatable connecting frame is fixedly mounted on the screen cylinder, a brush plate is fixed on the inner wall of the mounting box by means of bolts, one end of the brush plate extends into the screen cylinder, and the bristles of the brush plate are in contact with the inner wall of the screen cylinder.

8. The coal gangue resource utilization crushing device according to claim 1, characterized in that: A bracket is fixed in the shell, and support columns are symmetrically fixed to the top of the bracket. Balls are embedded on the tops of the support columns, and the balls are in contact with the bottom of the crushing roller.

9. The coal gangue resource utilization crushing device according to claim 2, characterized in that: The rotating rod is provided with a water channel for water to flow through, the water channel is communicated with a conduit fixed on the rotating rod, and the water outlet end of the conduit is fixedly connected with an annular nozzle for spraying water.

10. The coal gangue resource utilization crushing device according to claim 1, characterized in that: Support legs are symmetrically fixedly installed on the bottom of the installation box, and support plates are fixed on the bottom of the support legs. A water spray pipe for spraying water to the screen drum is provided in the installation box.

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