CN218962727U

CN218962727U - Sand and stone primary feeding crushing equipment

Info

Publication number: CN218962727U
Application number: CN202222867757.3U
Authority: CN
Inventors: 徐杰; 陈应
Original assignee: Guizhou Yuanshi Mineral Resources Research Institute Co ltd
Current assignee: Guizhou Yuanshi Mineral Resources Research Institute Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-05-05
Anticipated expiration: 2032-10-28

Abstract

The application relates to the technical field of sand production equipment, and particularly discloses sand primary feeding crushing equipment, which comprises a crusher with a feeding hole at the upper end and a feeding machine, wherein the feeding machine is arranged above the crusher along the horizontal direction, and one end of the feeding machine, which is close to the feeding hole, is provided with a feeding claw along the horizontal direction; the conveyor belt is positioned below the crusher and the feeding claw, and the conveyor belt is conveyed to the discharge port of the crusher along the feeding claw. The purpose of this patent is solved current equipment assembly and can not select separately the building stones before the breakage, has increased breaker work load and the problem of power consumption.

Description

Sand and stone primary feeding crushing equipment

Technical Field

The utility model relates to the technical field of sand production equipment, in particular to sand primary feeding crushing equipment.

Background

With the rapid development of the construction industry, sand and stone are taken as an important component of concrete structural materials, and the demand for sand and stone is growing; the existing machine-made sand production process is generally to put stones into a crusher for crushing, discharge the crushed stones through a discharge hole of the crusher, and then transfer the stones to the next processing link through a conveyor such as a belt conveyor; the sand and stone crushing production line generally comprises a first-stage crushing and a 2-4-stage crushing, wherein the first-stage crushing is used for crushing particles with a particle size of more than 70cm below 35cm, the second-stage crushing is used for crushing particles with a particle size of about 35cm-20cm below 10cm, the third-stage crushing is used for crushing particles with a particle size of about 10cm below 3cm, the third-stage crushing is used for crushing particles with a particle size of about 3cm below 10mm, and the fourth-stage crushing is used for crushing particles with a particle size of about 10mm below 3mm and shaping gravel; so as to achieve the particle size of the sand and stone required by the building.

The existing primary crushing equipment does not select stone raw materials before crushing, so that part of small stones (stones with particle sizes reaching the discharge particle size of the crusher) can still be transmitted into the crusher, the workload of the crusher is increased, and the energy consumption of the crusher is further increased; and the yield of the sand production line is generally hundred tons and above, the larger the yield is, the higher the energy consumption generated by crushing small stones is, and the production cost of enterprises is seriously increased; and simultaneously, the working efficiency of the crusher is reduced. And small stones enter the crusher to be beaten or extruded and crushed into smaller particles, so that more dust is generated; dust can carry small-particle sand stone to wash into slurry in the sand washing process, and the slurry is discharged; the dust is increased to increase the waste material and reduce the utilization rate of the stone.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model solves the technical problems that the prior equipment component can not sort stones before crushing, and the workload and the energy consumption of a crusher are increased.

In order to solve the problems, the utility model adopts the technical scheme that the crusher comprises a crusher and a feeder, wherein the upper end of the crusher is provided with a feed inlet, the feeder is arranged in the horizontal direction and is positioned above the crusher, and one end of the feeder, which is close to the feed inlet, is provided with a feed mechanism in the horizontal direction.

The technical principle of the scheme is as follows: when the feeding machine feeds the crushing equipment, when the stone in the feeding machine reaches the particle size of the crushed stone, the stone is separated by the separating mechanism before entering the crusher, so that the stone cannot enter the crusher for crushing; the stones fall into the crusher for crushing after passing through the material distributing mechanism.

The beneficial effect that this scheme produced is: 1. through the distribution mechanism, the separation of stones before crushing is realized, and small stones entering the crusher are reduced, so that the amount of stones entering the crusher is reduced, the energy consumption of the crusher is further reduced, the electric energy of the crusher is saved, and the environment protection is facilitated; 2. through sorting before the broken stone for little stone can not be smashed to less granule, and then produce a large amount of dust, thereby reduced the waste material volume, improved the utilization ratio of stone, reduced broken production environment's dust volume simultaneously, reduced environmental pollution, protected the healthy of operator.

Further, jaw crushers are used as crushers. The jaw crusher is selected to have wider application range, and is suitable for crushing various materials with compressive strength not exceeding 350 MPa.

Further, the material distributing mechanism is a rack-shaped feeding claw, and the gap between the claws is 10-400mm, preferably 350mm; the discharging granularity of the primary crusher is generally 10-350mm, stones meeting the discharging granularity can be screened out in advance, the stones meeting the discharging granularity can be screened out completely by setting the discharging granularity to 350mm, and the materials are saved more by large gaps.

Further, the feeding machine comprises a shell, the side wall of the shell is provided with a vibrator along the horizontal direction, the vibrator adopts an eccentric wheel vibrator, and the eccentric wheel of the vibrator rotates along the feeding machine to the crusher from top to bottom. The stone in the feeder can be vibrated and thrown towards the crusher by adopting the vibration of the eccentric wheel, so that the feeding speed of the feeder is improved.

Further, a water inlet pipe is arranged at the feeding port of the crusher along the vertical direction. Dust removal water is introduced into the water inlet pipe to moisten crushed stones in the crusher, so that dust generated in the crushing process is adhered to the stones, and is not easy to fly out of the crusher through a discharge hole or a feed inlet in the crushing process, more dust is generated, and the dust inside the crusher and around the crusher is reduced.

Further, the material distributing mechanism is a mesh sieve plate, and the mesh aperture of the mesh sieve plate is 10-400mm. The adoption of the mesh sieve plate can facilitate the rapid falling of small stones due to the uniform mesh distribution.

Further, the water outlet end of the water inlet pipe is detachably connected with a shower nozzle. The shower nozzle is adopted, so that the spraying coverage area of water discharged by the shower nozzle can be enlarged, the water is uniformly sprayed on the surface of the coarse crushed material, and the wetting area of stones is improved.

Further, a fog gun machine is arranged above the crusher, and a discharge hole of the fog gun machine can pass through the partition plate to spray water mist into the feeding machine. Atomizing water into water drops equivalent to dust through high pressure by installing a fog gun machine, precisely throwing the water drops into a feeding machine, wetting the dust in the feeding machine, and accelerating the falling of flying dust, thereby achieving the effect of dust fall; the coverage area is wide, the dust-proof paint has complete inhibition capability to dust below 200 microns, and meanwhile, the water quantity of the fog gun can be adjusted according to actual needs.

Further, an operation platform is arranged at the feed inlet of the crusher along the horizontal direction, and is fixedly connected with a bracket along the vertical direction, and an electric hoist is arranged on the bracket; the electric hoist can hoist the stone which is partially clamped at the feeding hole of the crusher, and the stone direction is adjusted so as to facilitate the stone to fall down, thereby reducing the phenomenon of crushing and clamping and improving the crushing efficiency of the crusher; the electric hoist is utilized to lift stones, so that labor is saved, and the phenomenon that the stones are pressed and hurt fingers by manual adjustment is avoided.

Furthermore, the electric hoist is a loop chain electric hoist, the loop chain electric hoist has simple structure, easy installation, low price and simple and convenient use steps; the clearance height is better, the space is effectively saved, the use safety and the reliability are guaranteed, and the danger occurrence probability is reduced.

Further, the crusher comprises a conveyor belt, wherein the conveyor belt is positioned below the crusher and the feeding claw, and the conveyor belt is conveyed to the discharge hole of the crusher along the feeding claw. The conveyor belt is arranged along the direction, so that stones falling through the gaps of the feeding claw can be transported to the next processing procedure together with stones at the discharge port of the crusher through the conveyor belt.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: the feeding machine 1, the shell 11, the feeding claw 12, the vibrator 13, the crusher 2, the water inlet pipe 21, the shower nozzle 211, the operating platform 22, the bracket 23, the electric hoist 24, the baffle 3, the feeding port 31, the frame 4, the fog gun machine 41 and the conveyor belt 5.

Example 1 is shown in fig. 1: the sand primary feeding crushing equipment comprises a frame for installing the equipment, a crusher 2 and a feeder 1, wherein the upper end of the crusher 2 is provided with a feeding hole, the crusher 2 is arranged on the frame along the vertical direction, the feeder 1 is arranged on the frame along the horizontal direction, and the feeding hole of the feeder is higher than the feeding hole of the crusher; the feeding machine 1 comprises a shell 11, wherein the shell of the feeding machine is in a hopper shape, a feeding trough is arranged at the bottom of the feeding machine along the horizontal direction, a feeding claw 12 is welded at one end of the feeding trough, which is close to the feeding hole, along the horizontal direction, the feeding claw 12 is welded with the shell 11, and the gap between the claws of the feeding claw 12 is 300mm; one end of the feeding claw 12 of the feeder 1 is inclined horizontally to the left and the lower. A conveyor belt 5 is arranged below the crusher 2 and the feeding claw 12, and the conveyor belt 5 is conveyed along the feeding claw 12 towards the discharge hole of the crusher 2, namely the starting end of the conveyor belt 5 is positioned below the feeding claw 12.

The jaw crusher 2 is adopted as the crusher 2, the crusher 2 can also be a gyratory crusher and a counter-impact crusher of special types, preferably a jaw crusher, and the jaw crusher is suitable for crushing materials with medium hardness and above, and compared with other crushers, the jaw crusher has the advantages of simple structure, convenience in maintenance and low price. In addition, the coverage range of the output value of the jaw crusher is very wide, and the jaw crusher is suitable for various large, medium and small crushing lines. The gyratory crusher and the impact crusher have higher requirements on stone powder content of the entering stone, and the high stone powder content leads to overhigh equipment current, thereby causing equipment failure; therefore, before use, stones need to be screened, the stone powder content in the stones is reduced, and meanwhile, fault maintenance is not as convenient as a jaw crusher.

The vibration frequency of the feeding machine is 40-50HZ, preferably 45HZ, and when large stones are not easy to slide, the vibration frequency is reduced, and the stone can be promoted to fall by increasing the vibration amplitude.

The feeding grain diameter range of the jaw crusher 2 adopted by the scheme is 125-1200mm, the discharging grain diameter range of the crusher 2 is 10-350mm, stone to be crushed slides into the crusher 2 through the feeder 1 when in use, when the stone passes through the feeding claw 12, the stone smaller than the gap of the feeding claw 12 can directly fall to the conveyor belt below the feeding claw 12, and large stone falls into the crusher 2 through the feeding claw 12 for crushing; the stones before entering the crusher 2 are sorted, so that the stones entering the crusher 2 are reduced, the stones with the particle size of 400mm are reduced, the amount of the stones entering the crusher 2 is reduced, and the energy consumption of the crusher 2 is further reduced; through sorting before the broken stone for little stone can not be smashed to less granule, and then produce a large amount of dust, thereby reduced broken production environment's dust volume, reduced environmental pollution, protected the healthy of operator.

Embodiment 2 is basically as shown in fig. 1, and is different from embodiment 1 in that one end of the feeder 1 near the feed inlet is provided with a mesh screen plate in a horizontal direction, the mesh aperture of the mesh screen plate is 200mm, a conveyor belt 5 is arranged below the crusher 2 and the mesh screen plate, and the conveyor belt 5 is conveyed along the mesh screen plate toward the discharge port of the crusher 2, i.e., the starting end of the conveyor belt 5 is positioned below the feed claw 12. Through evenly distributed's mesh sieve, improve the area that the stone can fall, promote the stone that accords with broken particle diameter to accelerate the whereabouts, reduce the card material.

The embodiment 3 is basically as shown in fig. 1 and fig. 2, and the same points as those of the embodiments 1 and 2 are not repeated, but the difference is that the side wall of the shell 11 of the feeder 1 is provided with a vibrator 13 along the horizontal direction, the vibrator 13 adopts an eccentric vibrator 13, and the eccentric wheel of the vibrator 13 rotates along the direction from the feeder 1 to the crusher 2 from top to bottom. The eccentric blocks in the vibrator 13 are utilized to rotate to generate centrifugal force, so that the materials are continuously thrown along with the screen box on the inclined screen surface and are continuously and uniformly conveyed into the feed inlet of the crusher 2; the rock material is accelerated to fall into the crusher 2 by installing a vibrator 13.

Embodiment 4 is basically as shown in fig. 1 and fig. 2, and the same points as those of embodiment 1 and embodiment 2 are not repeated, but the difference is that a water inlet pipe 21 is arranged at the feeding hole of the crusher 2 along the vertical direction, the water outlet end of the water inlet pipe 21 is in threaded connection with a shower nozzle, and the water inlet end of the water inlet pipe 21 is connected with a water supply device, such as a water tank.

Dust removal water is introduced into the water inlet pipe 21 to moisten crushed stones in the crusher 2, so that dust produced in the crushing process is adhered to the stones, the dust is not easy to fly out of the crusher 2 through a discharge hole or a feed inlet in the crushing process, more dust is produced, the dust in the crusher 2 and around the crusher 2 is further reduced, the shower nozzle 211 is adopted, the spraying coverage area of the shower nozzle water outlet can be enlarged, the water is uniformly sprayed to the surface of coarse crushed stones, and the wetting area of the stones is increased.

The embodiment 5 is basically shown in fig. 1 and fig. 2, and the same points as those of the embodiments 1 to 3 are not repeated, but the difference is that three wall boards are arranged around the crusher 2 along the vertical direction, a partition board 3 is arranged between the crusher 2 and the feeder 1 along the vertical direction, and the wall boards and the partition board 3 form a crushing room around the crusher 2; the feeding mouth 31 is opened to baffle 3 lower extreme, and the space that feeder 1 was located is between the feeding, is equipped with frame 4 along vertical direction in the crushing, has fog gun platform and fog gun platform to be higher than baffle 3 highest along the welding of horizontal direction in the frame 4, and fog gun platform surface is fixed with fog gun machine 41 through the bolt, and the export of fog gun machine 41 is towards between the feeding, and fog gun machine 41 can cross baffle 3 and spray water smoke to in the feeding.

Atomizing water into water drops equivalent to dust by high pressure through a fog gun machine 41, accurately throwing the water mist into a feeding room, wetting the dust in the feeding room, and accelerating the falling of flying dust, thereby achieving the effect of dust fall; the coverage area is wide, the dust with the particle size of less than 200 microns can be completely inhibited, and meanwhile, the water quantity of the fog gun can be regulated according to actual needs.

Embodiment 6 is basically as shown in fig. 1 and fig. 2, and the same parts as those of embodiments 1 to 4 are not repeated, and the difference is that an operation platform 22 is arranged at a feeding hole of the crusher 2 along the horizontal direction, the operation platform 22 is welded with the frame 4, a bracket 23 is welded on the operation platform 22 along the vertical direction, an electric hoist 24 is mounted on the bracket 23, and the electric hoist 24 can be a loop chain electric hoist 24, a wire rope electric hoist or the like, or can be replaced by a chain hoist; preferably a loop chain electric hoist.

The electric hoist 24 can hoist the stones partially clamped at the feeding hole of the crusher 2, and the direction of the stones is adjusted so as to facilitate the stones to fall down, thereby reducing the phenomenon of crushing and clamping and improving the crushing efficiency of the crusher 2; the electric hoist 24 is utilized to lift stones, so that labor is saved, and the manual adjustment of stones to hurt fingers is avoided. The loop chain electric hoist 24 has the advantages of simple structure, easy installation, low price and simple and convenient use steps; the clearance height is better, the space is effectively saved, the use safety and the reliability are guaranteed, and the danger occurrence probability is reduced. When the stone is blocked at the inlet and can not fall, the stone can be broken through the pneumatic pick, so that the stone can be promoted to fall, and the stone can be prevented from being blocked.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a grit one-level feed crushing equipment which characterized in that: the feeding device comprises a crusher with a feeding hole at the upper end and a feeding machine, wherein the feeding machine is arranged in the horizontal direction and is positioned above the crusher, and a distributing mechanism is arranged at one end of the feeding machine, which is close to the feeding hole, in the horizontal direction.

2. The sand primary feed crushing plant of claim 1 wherein: the crusher adopts a jaw crusher.

3. The sand primary feed crushing plant of claim 1 wherein: the material distributing mechanism is a rack-shaped feeding claw, and the gap between the claws is 10-400mm.

4. The sand primary feed crushing plant of claim 1 wherein: the feeding machine comprises a shell, wherein a vibrator is arranged on the side wall of the shell along the horizontal direction, the vibrator adopts an eccentric wheel vibrator, and the eccentric wheel of the vibrator rotates along the feeding machine to the crusher from top to bottom.

5. The sand primary feed crushing apparatus of claim 4 wherein: the material distributing mechanism is a mesh sieve plate, and the mesh aperture of the mesh sieve plate is 10-400mm.

6. The sand primary feed crushing plant of claim 2 wherein: the feeding hole of the crusher is provided with a water inlet pipe for blasting sand into the crusher along the vertical direction.

7. The sand primary feed crushing plant of claim 6 wherein: the water outlet end of the water inlet pipe is detachably connected with a shower nozzle.

8. The sand primary feed crushing apparatus of claim 1 wherein: and a fog gun machine is arranged above the crusher, and the fog gun machine sprays water mist into the feeding machine through a discharge hole of the fog gun machine.

9. The sand primary feed crushing plant of claim 1 wherein: the crusher is provided with an operation platform along the horizontal direction at the position of a feeding hole of the crusher, the operation platform is fixedly connected with a bracket along the vertical direction, and an electric hoist is arranged on the bracket.

10. The sand primary feed crushing plant of claim 8 wherein: still include the conveyer belt, the conveyer belt is located the below of breaker and feed divider, and the conveyer belt is followed feed divider and is transmitted to the breaker discharge gate.