Efficient and energy-saving ore treatment device for mining

Abstract

The invention relates to an efficient energy-saving ore treatment device for mining, which comprises a lower support frame, a high-grade crushing barrel, a middle-grade crushing barrel, a primary crushing barrel, a connecting barrel, an upper support frame and a feeding barrel which are sequentially stacked from bottom to top, a crushing support net is arranged in each of the high-grade crushing barrel, the middle-grade crushing barrel and the primary crushing barrel, and a speed reducing motor is mounted on the upper support frame; a rotating shaft is mounted on a motor shaft of the gear motor, and three groups of breaking hammer mechanisms are mounted on the rotating shaft; and the bottom of the reducer pipe is provided with a discharging dust removal pipe, and the discharging dust removal pipe is communicated with the high-grade crushing cylinder, the middle-grade crushing cylinder and the primary crushing cylinder through discharging branch pipes. The coal gangue crushing device has the beneficial effects that coal gangue with different particle sizes is separately crushed, coal gangue particles meeting requirements are screened and discharged in time, the crushing efficiency is improved, and energy is saved; dust is prevented from diffusing into a crushing workshop, kinetic energy of exhausted gas is fully utilized, and energy used for dust removal is saved.

Description

Technical Field

[0001] The invention relates to the technical field of mining, and in particular to a high-efficiency and energy-saving ore processing device for mining. Background Art

[0002] During the coal mining process, some coal gangue with low carbon content will be mined. The traditional way of handling it is to directly pile the coal gangue on the open space nearby. Modern coal mining enterprises usually crush the coal gangue for combustion to generate electricity or sell it to a third party for further processing. The existing coal gangue is crushed by ball mills or vertical mills. During the crushing process, coal gangue powders of different particle sizes are gathered together, which not only causes some coal gangue particles to be over-crushed, but also wastes the space and energy of the crushing equipment. In addition, the existing coal gangue crushing equipment lacks a dust removal mechanism, and the dust generated by the processing spreads in the crushing workshop. Summary of the invention

[0003] The purpose of the present invention is to overcome the above problems existing in the prior art and to provide a high-efficiency and energy-saving ore processing device for mining.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A high-efficiency and energy-saving ore processing device for mining, comprising:

[0006] A lower support frame, a high-level crushing cylinder, an intermediate crushing cylinder, a primary crushing cylinder, a connecting cylinder, an upper support frame, and a feeding cylinder are stacked in sequence from bottom to top, wherein a circular crushing support net is respectively arranged in the high-level crushing cylinder, the intermediate crushing cylinder, and the primary crushing cylinder, and the meshes of the crushing support nets in the high-level crushing cylinder, the intermediate crushing cylinder, and the primary crushing cylinder are gradually increased, a reduction motor is installed on the upper support frame, a rotating shaft is installed on the motor shaft of the reduction motor, and three groups of crushing hammer mechanisms rotating on three crushing support nets are installed on the rotating shaft;

[0007] A reducer, wherein the reducer is used for exhaust gas generated by mining to pass through, and a material discharge dust removal pipe is installed at the bottom of the reducer, and the material discharge dust removal pipe is connected to the high-level crushing drum, the intermediate crushing drum, and the primary crushing drum through the material discharge branch pipe respectively;

[0008] A belt conveyor, wherein the belt conveyor is located below the unloading dust removal pipe;

[0009] A C-type elevator, wherein the feed hopper of the C-type elevator is located below the lower support frame, and the discharge port of the C-type elevator is located above the upper barrel.

[0010] Among them, the lower support frame includes two symmetrical support blocks and a lower support ring, and multiple groups of evenly distributed shock-absorbing support seats are installed between the lower support ring and each support block. The shock-absorbing support seat includes a lower support plate, an upper support plate, a compression spring, a support rod, and a limit nut. The lower support plate is installed on the support block, and the support rod is vertically fixed to the center of the lower support plate. The top of the support rod passes through the compression spring, the through hole in the center of the upper support plate, the through hole on the lower support ring, and the through hole on the high-grade crushing barrel from bottom to top. The compression spring is clamped between the lower support plate and the upper support plate, and the limit nut is screwed to the top of the support rod.

[0011] Among them, the crushing support nets are respectively a first crushing support net arranged in the high-level crushing barrel, a second crushing support net arranged in the intermediate crushing barrel, and a third crushing support net arranged in the primary crushing barrel.

[0012] Among them, the high-level crushing cylinder includes a first annular cylinder body, a first annular material blocking cover, and a bearing mounting frame. A plurality of first grid plates arranged in a circular array, a first conical screen, and a first conical material guide plate are fixedly connected in sequence from top to bottom on the inner wall of the first cylinder body. The first crushing support net is fixedly connected to the first grid plate, the first material blocking cover is fixedly connected to the centripetal side of the first grid plate, the centripetal side of the first screen is fixedly connected to the centripetal side of the first material guide plate, and a discharge pipe is fixedly connected to the middle of the first screen; the bearing mounting frame is fixedly installed in the first material blocking cover, a slewing support bearing is installed on the top of the bearing mounting frame, and the bottom of the rotating shaft is inserted into the slewing support bearing.

[0013] Among them, the intermediate crushing cylinder includes a second annular cylinder body and a second annular material blocking cover, and the inner wall of the second cylinder body is fixed with a plurality of second grid plates arranged in a circular array, a conical second screen, and a conical second material guide plate in sequence from top to bottom, the second crushing support net is fixed to the second grid plate, the second material blocking cover is fixed to the centripetal side of the second grid plate, and the centripetal side of the second screen is fixed to the centripetal side of the second material guide plate.

[0014] Among them, the primary crushing cylinder includes a circular third cylinder body and a circular third material blocking cover, and the inner wall of the third cylinder body is fixed with a plurality of third grid plates arranged in a circular array, a conical third screen and a conical third material guide plate in sequence from top to bottom, the third crushing support net is fixed to the third grid plate, the third material blocking cover is fixed to the centripetal side of the third grid plate, and the centripetal side of the third screen is fixed to the centripetal side of the third material guide plate.

[0015] The breaker mechanism comprises a mounting ring and a spindle-shaped breaker. The mounting ring is mounted on a rotating shaft. A plurality of hammer rods arranged in a circular array are fixedly connected to the outer side of the mounting ring. A breaker hammer is rotatably mounted on each of the hammer rods.

[0016] Among them, a dust removal pipe interface is provided at the bottom of the reducer, the top of the unloading dust removal pipe is installed in the dust removal pipe interface, and a dust filter bag is clamped between the top of the unloading dust removal pipe and the dust removal pipe interface.

[0017] Wherein, the diameter of the dust removal pipe interface section of the reducer is smaller than the diameters of the two ends of the reducer.

[0018] Among them, the upper support frame is also equipped with a material guide cover for protecting the reduction motor and guiding the ore; the bottom end of the upper support frame is also equipped with four arc-shaped material guide plates arranged in a circular array, and the four arc-shaped material guide plates form a circular ring.

[0019] The beneficial effects of the present invention are as follows: a high-level crushing cylinder, an intermediate crushing cylinder and a primary crushing cylinder are stacked in sequence from bottom to top. During the crushing process, the gangue will pass through the primary crushing cylinder, the intermediate crushing cylinder and the high-level crushing cylinder in sequence from top to bottom according to the size of the crushed particles, so that the gangue of different particle sizes are crushed separately, and the gangue particles that meet the needs are screened and discharged in time, so as to avoid the gangue particles from being over-crushed, and to avoid wasting the space and energy of the crushing equipment, thereby improving the crushing efficiency and saving energy; a different-diameter pipe connected to the top of the discharge dust removal pipe is arranged, and the exhaust gas discharged from the mine passes through the different-diameter pipe. According to the principle of fluid mechanics, negative pressure is generated at the top of the discharge dust removal pipe to suck away the dust in the high-level crushing cylinder, the intermediate crushing cylinder and the primary crushing cylinder, which not only prevents the dust from spreading to the crushing workshop, but also makes full use of the kinetic energy of the exhausted gas to save the energy used for dust removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0021] Figure 1 It is a schematic diagram of the structure of the ore processing device in the present invention;

[0022] Figure 2 It is a structural schematic diagram of the lower support frame in the present invention;

[0023] Figure 3 It is a structural schematic diagram of the combination of the high-level crushing barrel and the feeding branch pipe in the present invention;

[0024] Figure 4 It is a structural schematic diagram of the combination of the intermediate crushing drum and the feeding branch pipe in the present invention;

[0025] Figure 5 It is a structural schematic diagram of the combination of the primary crushing cylinder and the feeding branch pipe in the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the upper support frame, the reduction motor, the rotating shaft, and the breaker hammer mechanism in the present invention;

[0027] Figure 7 It is a structural schematic diagram of the reducer in the present invention;

[0028] Figure 8 It is a structural schematic diagram of the material discharge dust removal pipe in the present invention;

[0029] Explanation of the reference numerals in the figure: lower support frame 1, support block 101, lower support ring 102, shock-absorbing support seat 103, lower support plate 1031, upper support plate 1032, compression spring 1033, support rod 1034, limit nut 1035, high-grade crushing cylinder 2, first cylinder body 201, first material blocking cover 202, bearing mounting frame 203, first grid plate 204, first screen 205, first material guide plate 206, first crushing support net 207, discharge pipe 208, slewing support bearing 209, intermediate crushing cylinder 3, second cylinder body 301, second material blocking cover 302, second grid plate 303, second screen 30 4. second material guide plate 305, second crushing support net 306, primary crushing cylinder 4, third cylinder body 401, third material blocking cover 402, third grid plate 403, third screen 404, third material guide plate 405, third crushing support net 406, connecting cylinder 5, upper support frame 6, upper cylinder 7, reduction motor 8, rotating shaft 9, breaking hammer mechanism 10, mounting ring 1001, breaking hammer 1002, hammer rod 1003, reducer 11, dust removal pipe interface 1101, unloading dust removal pipe 12, unloading branch pipe 13, belt conveyor 14, C-type elevator 15, dust filter bag 16, material guide cover 17, arc-shaped material guide plate 18. DETAILED DESCRIPTION

[0030] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0031] like Figures 1 to 8 As shown, a high-efficiency and energy-saving ore processing device for mining includes: a lower support frame 1, a high-level crushing drum 2, a middle-level crushing drum 3, a primary crushing drum 4, a connecting drum 5, an upper support frame 6, a feeding drum 7, a reducer 11, a belt conveyor 14, and a C-type elevator 15 stacked in sequence from bottom to top.

[0032] The lower support frame 1 includes two symmetrical support blocks 101 and a lower support ring 102. A plurality of evenly distributed shock-absorbing support seats 103 are installed between the lower support ring 102 and each support block 101. The shock-absorbing support seat 103 includes a lower support plate 1031, an upper support plate 1032, a compression spring 1033, a support rod 1034, and a limiting nut 1035. The lower support plate 1031 is installed on the support block 101. The support rod 1034 is vertically fixed to the center of the lower support plate 1031. The top of the support rod 1034 passes through the compression spring 1033, the through hole in the center of the upper support plate 1032, the through hole on the lower support ring 102, and the through hole on the high-grade crushing barrel 2 from bottom to top. The compression spring 1033 is clamped between the lower support plate 102 and the upper support plate 1032. The limiting nut 1035 is screwed to the top of the support rod 1034. The shock-absorbing support seat 103 reduces the vibration generated by the ore processing device during operation and is transmitted to the ground, thereby reducing vibration noise; and is conducive to the vibration generated by the reduction motor during operation to make the high-level crushing cylinder 2, the intermediate crushing cylinder 3, and the primary crushing cylinder 4 vibrate, thereby preventing clogging by coal gangue particles.

[0033] A circular crushing support net is respectively arranged in the high-level crushing barrel 2, the intermediate crushing barrel 3 and the primary crushing barrel 4. The three crushing support nets are respectively a first crushing support net 207 arranged in the high-level crushing barrel 2, a second crushing support net 306 arranged in the intermediate crushing barrel 3 and a third crushing support net 406 arranged in the primary crushing barrel 4. In addition, the mesh openings of the crushing support nets in the high-level crushing barrel 2, the intermediate crushing barrel 3 and the primary crushing barrel 4 increase step by step. Specifically, the aperture of the first crushing support net 207 is greater than the aperture of the second crushing support net 306 and the aperture of the third crushing support net 406.

[0034] The high-grade crushing cylinder 2 includes a first annular cylinder body 201, a first annular material blocking cover 202, and a bearing mounting frame 203. A plurality of first grid plates 204, a first conical screen 205, and a first conical material guide plate 206 arranged in a circular array are fixedly connected in sequence from top to bottom on the inner wall of the first cylinder body 201. The first crushing support net 207 is fixedly connected to the first grid plate 204, the first material blocking cover 202 is fixedly connected to the centripetal side of the first grid plate 204, the centripetal side of the first screen 205 is fixedly connected to the centripetal side of the first material guide plate 206, and a discharge pipe 208 is fixedly connected to the middle part of the first screen 205; the bearing mounting frame 203 is fixedly installed in the first material blocking cover 202, a slewing support bearing 209 is installed on the top of the bearing mounting frame 203, and the bottom of the rotating shaft 9 is inserted into the slewing support bearing 209.

[0035] The intermediate crushing cylinder 3 includes a second annular cylinder body 301 and a second annular material blocking cover 302. A plurality of second grid plates 303 arranged in a circular array, a conical second screen 304 and a conical second material guide plate 305 are fixedly connected in sequence from top to bottom on the inner wall of the second cylinder body 301. The second crushing support net 306 is fixedly connected to the second grid plate 303, the second material blocking cover 302 is fixedly connected to the centripetal side of the second grid plate 303, and the centripetal side of the second screen 304 is fixedly connected to the centripetal side of the second material guide plate 305.

[0036] The primary crushing cylinder 4 includes a circular third cylinder body 401 and a circular third material blocking cover 402. A plurality of third grid plates 403 arranged in a circular array, a conical third screen 404, and a conical third material guide plate 405 are fixedly connected in sequence from top to bottom on the inner wall of the third cylinder body 401. The third crushing support net 406 is fixedly connected to the third grid plate 403, the third material blocking cover 402 is fixedly connected to the centripetal side of the third grid plate 403, and the centripetal side of the third screen 404 is fixedly connected to the centripetal side of the third material guide plate 405.

[0037] A reduction motor 8 is mounted on the upper support frame 6, a rotating shaft 9 is mounted on the motor shaft of the reduction motor 8, and three groups of crushing hammer mechanisms 10 are mounted on the rotating shaft 9 and rotate on three crushing support nets respectively. The crushing hammer mechanism 10 includes a mounting ring 1001 and a spindle-shaped crushing hammer 1002. The mounting ring 1001 is mounted on the rotating shaft 9, and multiple hammer rods 1003 arranged in a circular array are fixedly connected to the outer side of the mounting ring 1001, and a crushing hammer 1002 is rotatably mounted on each hammer rod 1003.

[0038] The upper support frame 6 is also provided with a guide cover 17 for protecting the reduction motor 8 and guiding the ore; the bottom end of the upper support frame is also provided with four arc guide plates 18 arranged in a circular array, and the four arc guide plates 18 form a circular ring.

[0039] The reduction motor drives the rotating shaft 9 to rotate, driving the three groups of crushing hammer mechanisms 10 to rotate on the first crushing support net 207, the second crushing support net 306, and the third crushing support net 406 respectively, to crush the coal gangue. If the particle size of the coal gangue particles is smaller than the aperture of the first crushing support net 207, they will fall onto the first screen through the holes on the first crushing support net 207; if the particle size of the coal gangue particles is smaller than the aperture of the first screen, they will fall onto the first guide plate; if the particle size of the coal gangue particles is larger than the aperture of the first screen, they will fall onto the second crushing support net 306; if the particle size of the coal gangue particles is smaller than the aperture of the second crushing support net 306, they will fall onto the second screen through the holes on the second crushing support net 306; if the particle size of the coal gangue particles is smaller than the aperture of the second crushing support net 306, they will fall onto the second screen through the holes on the second crushing support net 306; If the particle size of the gangue particles is smaller than the hole size on the second sieve, they will fall onto the second guide plate; if the particle size of the gangue particles is larger than the hole size on the second sieve, they will fall onto the third crushing support mesh 306; if the particle size of the gangue particles is smaller than the hole size of the third crushing support mesh 406, they will fall onto the third sieve through the holes on the third crushing support mesh 406; if the particle size of the gangue particles is smaller than the hole size on the third sieve, they will fall onto the third guide plate; if the particle size of the gangue particles is larger than the hole size on the third sieve, they will fall into the discharge pipe 208.

[0040] Advanced crushing drum, intermediate crushing drum and primary crushing drum are stacked in sequence from bottom to top. During the crushing process, the gangue will pass through the primary crushing drum, intermediate crushing drum and advanced crushing drum in sequence from top to bottom according to the size of the crushed particles, so that the gangue of different particle sizes can be crushed separately, and the gangue particles that meet the demand will be screened and discharged in time to avoid excessive crushing of the gangue particles and waste of space and energy of the crushing equipment, thereby improving the crushing efficiency and saving energy.

[0041] The reducer 11 is used for exhaust gas generated by mining to pass through, and a dust removal pipe 12 is installed at the bottom of the reducer 11. Specifically, a dust removal pipe interface 1101 is provided at the bottom of the reducer 11, and the top of the dust removal pipe 12 is installed in the dust removal pipe interface 1101. A dust filter bag 16 is sandwiched between the top of the dust removal pipe 12 and the dust removal pipe interface 1101. In addition, in order to increase the exhaust gas flow rate in the reducer 11, the diameter of the reducer 11 with the dust removal pipe interface 1101 is smaller than the diameter of the two ends of the reducer.

[0042] The material discharge dust removal pipe 12 is connected with the high-level crushing drum 2, the intermediate crushing drum 3 and the primary crushing drum 4 through the material discharge branch pipe 13 respectively.

[0043] A reducing pipe connected to the top of the discharge dust removal pipe is set up, and the exhaust gas discharged from the mine passes through the reducing pipe. According to the principle of fluid mechanics, negative pressure is generated at the top of the discharge dust removal pipe to suck away the dust in the high-level crushing drum, intermediate crushing drum and primary crushing drum. This not only prevents the dust from spreading to the crushing workshop, but also makes full use of the kinetic energy of the exhausted gas to save energy used for dust removal.

[0044] The belt conveyor 14 is located below the unloading dust removal pipe 12, and conveys the qualified coal gangue particles discharged from the unloading dust removal pipe 12 to the stacking area.

[0045] The feed hopper of the C-type elevator 15 is located below the lower support frame 1, and the discharge port of the C-type elevator 15 is located above the upper barrel 7, and the gangue particles that do not meet the crushing standards discharged from the bottom of the high-grade crushing barrel are returned to the upper hopper for re-crushing.

[0046] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A high-efficiency and energy-saving ore processing device for mining, characterized in that: include: A lower support frame, a high-level crushing cylinder, an intermediate crushing cylinder, a primary crushing cylinder, a connecting cylinder, an upper support frame, and a feeding cylinder are stacked in sequence from bottom to top, wherein a circular crushing support net is respectively arranged in the high-level crushing cylinder, the intermediate crushing cylinder, and the primary crushing cylinder, and the meshes of the crushing support nets in the high-level crushing cylinder, the intermediate crushing cylinder, and the primary crushing cylinder are gradually increased, a reduction motor is installed on the upper support frame, a rotating shaft is installed on the motor shaft of the reduction motor, and three groups of crushing hammer mechanisms rotating on three crushing support nets are installed on the rotating shaft; A reducer, wherein the reducer is used for exhaust gas generated by mining to pass through, and a material discharge dust removal pipe is installed at the bottom of the reducer, and the material discharge dust removal pipe is connected to the high-level crushing drum, the intermediate crushing drum, and the primary crushing drum through the material discharge branch pipe respectively; A belt conveyor, wherein the belt conveyor is located below the unloading dust removal pipe; A C-type elevator, wherein the feed hopper of the C-type elevator is located below the lower support frame, and the discharge port of the C-type elevator is located above the upper barrel.

2. The ore processing device according to claim 1, characterized in that: The lower support frame includes two symmetrical support blocks and a lower support ring. A plurality of evenly distributed shock-absorbing support seats are installed between the lower support ring and each support block. The shock-absorbing support seats include a lower support plate, an upper support plate, a compression spring, a support rod, and a limit nut. The lower support plate is installed on the support block. The support rod is vertically fixed to the center of the lower support plate. The top of the support rod passes through the compression spring, the through hole in the center of the upper support plate, the through hole on the lower support ring, and the through hole on the high-grade crushing barrel from bottom to top. The compression spring is clamped between the lower support plate and the upper support plate, and the limit nut is screwed to the top of the support rod.

3. The ore processing device according to claim 1, characterized in that: The crushing support nets are respectively a first crushing support net arranged in a high-level crushing barrel, a second crushing support net arranged in a middle-level crushing barrel, and a third crushing support net arranged in a primary crushing barrel.

4. The ore processing device according to claim 3, characterized in that: The high-level crushing cylinder includes a first annular cylinder body, a first annular material blocking cover, and a bearing mounting frame. A plurality of first grid plates arranged in a circular array, a first conical screen, and a first conical material guide plate are fixedly connected in sequence from top to bottom on the inner wall of the first cylinder body. The first crushing support net is fixedly connected to the first grid plate, the first material blocking cover is fixedly connected to the centripetal side of the first grid plate, the centripetal side of the first screen is fixedly connected to the centripetal side of the first material guide plate, and a discharge pipe is fixedly connected to the middle of the first screen; the bearing mounting frame is fixedly installed in the first material blocking cover, a slewing support bearing is installed on the top end of the bearing mounting frame, and the bottom of the rotating shaft is inserted into the slewing support bearing.

5. The ore processing device according to claim 3, characterized in that: The intermediate crushing cylinder includes a second annular cylinder body and a second annular material blocking cover. A plurality of second grid plates arranged in a circular array, a second conical screen and a second conical material guide plate are fixedly connected in sequence from top to bottom on the inner wall of the second cylinder body. The second crushing support net is fixedly connected to the second grid plate, the second material blocking cover is fixedly connected to the centripetal side of the second grid plate, and the centripetal side of the second screen is fixedly connected to the centripetal side of the second material guide plate.

6. The ore processing device according to claim 3, characterized in that: The primary crushing cylinder includes a circular third cylinder body and a circular third material blocking cover, and the inner wall of the third cylinder body is fixedly connected with a plurality of third grid plates arranged in a circular array, a conical third screen and a conical third material guide plate in sequence from top to bottom, the third crushing support net is fixedly connected to the third grid plate, the third material blocking cover is fixedly connected to the centripetal side of the third grid plate, and the centripetal side of the third screen is fixedly connected to the centripetal side of the third material guide plate.

7. The ore processing device according to claim 3, characterized in that: The breaker hammer mechanism comprises a mounting ring and a spindle-shaped breaker hammer. The mounting ring is mounted on a rotating shaft. A plurality of hammer rods arranged in a circular array are fixedly connected to the outer side of the mounting ring. A breaker hammer is rotatably mounted on each of the hammer rods.

8. The ore processing device according to claim 1, characterized in that: A dust removal pipe interface is provided at the bottom of the reducer, the top of the unloading dust removal pipe is installed in the dust removal pipe interface, and a dust filter bag is sandwiched between the top of the unloading dust removal pipe and the dust removal pipe interface.

9. The ore processing device according to claim 8, characterized in that: The diameter of the dust removal pipe interface section of the reducer is smaller than the diameters of the two ends of the reducer.

10. The ore processing device according to claim 1, characterized in that: The upper support frame is also equipped with a guide cover for protecting the reduction motor and guiding the ore; the bottom end of the upper support frame is also equipped with four arc-shaped guide plates arranged in a circular array, and the four arc-shaped guide plates form a circular ring.

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