CN113649147B

CN113649147B - Equipment and method for improving sand production yield

Info

Publication number: CN113649147B
Application number: CN202110891551.1A
Authority: CN
Inventors: 陈康
Original assignee: Huzhou Dening Mining Industry Co ltd
Current assignee: Huzhou Dening Mining Industry Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-03-25
Anticipated expiration: 2041-08-04
Also published as: CN113649147A

Abstract

The invention relates to equipment and a method for improving sand production yield, wherein the equipment comprises a crushing cavity, a rotor and a driving system, wherein the rotor is arranged in the crushing cavity, the driving system is in driving connection with the rotor, the rotor rotates to throw out materials in the rotor to collide with the materials falling from the outer side of the rotor and crush the materials in the crushing cavity, the equipment also comprises a feeding device a, a feeding device b and a power device, and the feeding device a enables the particles of the materials falling from the outer side of the rotor to sequentially decrease from inside to outside; the feeding device b enables the materials thrown out from the inner side of the rotor to be sequentially reduced in particle size from top to bottom; the power device is connected with the feeding device a and the feeding device b in a driving mode, and the technical problem that in the prior art, collision efficiency between materials is low is solved.

Description

Equipment and method for improving sand production yield

Technical Field

The invention relates to the field of sand making equipment, in particular to equipment and a method for improving sand making yield.

Background

Machine-made sand is generally produced by means of a vertical-shaft crusher, and the production process is divided into "stoning" and "stoning iron", the "stoning" process comprising the forms of central feeding with falling feed "stoning" and complete central feeding "stoning", wherein the central feeding with falling feed "stoning" works: the material enters the crusher through the feed hopper, falls onto the material distribution disc through the bulk material cone and is divided into two parts by the material distribution disc. One part enters a throwing wheel rotating at high speed from the middle of the distributing disc, is rapidly accelerated in the throwing wheel and is thrown out from a flow passage of the throwing wheel at high speed. The materials are firstly impacted and crushed with the other part of the materials falling from the periphery of the material distribution disc, then impacted on a material lining layer of the crushing cavity together, then impacted on the top of the crushing cavity in an inclined upward manner after being rebounded, and moved downwards in a changed direction to form a continuous material curtain with the materials emitted from the throwing wheel flow channel. In this way, a piece of material is crushed in the crushing chamber by multiple impacts, rubs and abrasions.

The invention patent with the Chinese patent application number of CN201320312593.6 discloses a vertical shaft impact crusher, which comprises a crusher body, wherein a rotor is rotatably arranged in the crusher body, a lining plate is fixedly arranged on the crusher body, a plurality of bulges are arranged on the lining plate, a crushing cavity is formed between the lining plate and the rotor, a plurality of counterattack blocks are arranged on the rotor in an annular array, a plurality of parabolic channels extending along the radial direction of the rotor are arranged on the rotor, and parabolic heads embedded with alloy steel are arranged at the outlets of the parabolic channels on the rotor. The material enters the rotating rotor to be accelerated and then is thrown out of the parabolic channel on the rotor, and due to the parabolic head, when the material is thrown out, the wear rate of the crushing elements on two sides of the parabolic channel is effectively reduced; simultaneously through the counterattack piece, carry out further breakage to the material that rebounds back, realize "stone and beat stone" and "stone and beat iron" dual crushing, guaranteed crushing effect, improved life, the cost is reduced.

However, when the equipment is used, the particles of the materials have sizes, so that the collision efficiency between the materials is low in the process of stone breaking, and further the crushing efficiency is low.

Disclosure of Invention

Aiming at the problems, the invention provides equipment for improving the sand making yield, which is characterized in that falling and thrown materials are orderly arranged according to the particle sizes through a feeding device a and a feeding device b, so that the contact and collision efficiency of the falling and thrown materials is improved, and the technical problem of low material collision efficiency in the stone-breaking process in the prior art is solved.

In order to achieve the purpose, the invention provides the following technical scheme:

an equipment for improving sand production yield, including broken chamber, rotor and actuating system, the rotor sets up in broken chamber, actuating system with the rotor drive is connected, the rotor rotates and throws its inside material out and the material collision that falls from this rotor outside and break in broken intracavity still includes:

the feeding device a enables the material falling from the outer side of the rotor to sequentially decrease the particles from inside to outside;

the feeding device b enables the materials thrown out of the inner side of the rotor to sequentially decrease from top to bottom; a material guide assembly for changing the material throwing-out direction is arranged at a material outlet of the feeding device b; and

and the power device is in driving connection with the feeding device a and the feeding device b.

As an improvement, the feeding device a comprises a screening assembly a positioned above the crushing cavity and a plurality of groups of conveying channels a for conveying materials to the outer side of the rotor according to particle sizes.

As an improvement, the discharge ports of the plurality of groups of channels a are obliquely arranged towards the rotor, and the discharge ports of the plurality of groups of channels a are sequentially lifted from inside to outside.

As an improvement, the screening assembly a comprises a rotating column which is rotatably arranged, a screening plate which is arranged outside the rotating column in a surrounding mode and forms a channel a with a large top and a small bottom with the rotating column, a channel b which is located below the screening plate a and correspondingly communicated with the conveying channel a, and a spiral plate a which is located in the channel a and fixed with the rotating column.

As an improvement, a plurality of groups of sieve pore units a are arranged on the sieve plate a, the pore diameters of the sieve pore units a are gradually increased from top to bottom, and the sieve pore units are correspondingly communicated with the channel b.

As an improvement, the feeding device b comprises a feeding channel b arranged at the axle center of the rotating column, a screening component b communicated with the feeding channel b, and a plurality of groups of conveying channels b which rotate along with the rotor and can convey materials to the discharge port of the rotor according to the particle size; the discharge ports of the conveying channels b face the radial direction of the rotor, and a plurality of groups of discharge ports of the conveying channels b are stacked up and down.

As an improvement, the screening assembly b comprises two groups of rotating cones with opposite pointed ends and capable of rotating, a screening plate b forming a channel c with a small upper part and a large lower part with the rotating cones below, a channel d located below the screening plate b and correspondingly communicated with the conveying channel b, and a spiral plate b located in the channel c and fixed with the rotating cones.

As an improvement, a plurality of groups of sieve pore units b are arranged on the sieve plate b, the pore diameters of the sieve pore units b are gradually reduced from top to bottom, and the sieve pore units are correspondingly communicated with the channel d.

As an improvement, the power device comprises a rotating shaft and a speed reducer assembly, wherein the rotating shaft is coaxially and rotatably arranged with the conveying channel b, and the speed reducer assembly is in transmission connection with the rotating shaft, the rotating cone and the rotating column.

As the improvement, the guide subassembly is including corresponding the installation be in mounting bracket, the linear distribution of rotor discharge gate are in on the mounting bracket and synchronous pivoted a plurality of groups rotor plates, slide the setting from top to bottom and be in gag lever post, power connection in the mounting bracket gag lever post and a plurality of groups the rack and pinion transmission subassembly of rotor, install the spacing dish of rotor and with the stopper that the gag lever post can contradict the setting.

Aiming at the defects of the prior art, the invention also provides a method for improving the sand making yield, which comprises the following steps:

the method comprises the following steps: feeding stones, wherein the stones respectively enter the screening assemblies a and the screening assemblies b from the feeding hole a and the feeding channel b;

step two: the stones fall, and the screening assemblies a enable the stones to fall around the rotor and the sizes of the stone particles are reduced from inside to outside;

step three: the cobblestone is thrown out synchronously with the second step, the size of cobblestone particles is sequentially distributed in a descending manner from top to bottom at the discharge hole of the rotor by the screening component b, and the cobblestone particles are thrown out by the rotation of the rotor;

step four: and (4) crushing the stones, wherein the stones in the step two and the step three are crushed in a crushing cavity in a collision way.

The invention has the beneficial effects that:

(1) under the action of the feeding device a, particles of the materials falling to the periphery of the rotor are sequentially reduced along the radial direction; the particles of the materials thrown out of the rotor under the action of the feeding device b are reduced in sequence due to self damage, so that the stones falling from the innermost side are fully contacted and collided with the stones thrown out from the uppermost side by the rotor, the contact efficiency of the materials in the crushing cavity is improved, and the crushing efficiency of the materials is further improved;

(2) according to the invention, the downward conveying of the materials is realized by respectively driving the spiral plate a and the spiral plate b to rotate through the rotation of the rotating column and the rotating cone, so that the blockage can be effectively prevented, and the crushing efficiency of the materials is further improved;

(3) under the action of the spiral plate, materials are conveyed downwards in a spiral mode under the action of the sieve plate, the aperture of the sieve pore unit is increased from top to bottom, and the sieving effect and the sieving efficiency of the materials are improved;

(4) the material guide assembly of the invention enables the angle of throwing out of the rotor to be changed continuously, thereby further improving the contact efficiency of materials.

In conclusion, the ore crusher has the advantages of simple structure, ingenious design, high crushing efficiency and the like, and is particularly suitable for ore crushing.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a first schematic view illustrating the operation of the present invention;

FIG. 3 is a diagram illustrating a second working state of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an enlarged view of FIG. 4 at B;

FIG. 7 is a first diagram illustrating the structure of the power plant;

FIG. 8 is a second schematic structural view of the power plant;

FIG. 9 is a first view of the material guiding assembly;

FIG. 10 is a schematic view of a material guiding assembly;

FIG. 11 is a schematic view of the working state of the present invention

FIG. 12 is a process flow diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

As shown in fig. 1 to 3, an apparatus for increasing sand production comprises a crushing chamber 1, a rotor 2 and a driving system 3, wherein the rotor 2 is disposed in the crushing chamber 1, the driving system 3 is in driving connection with the rotor 2, the rotor 2 rotates to throw out materials in the rotor 2 to collide with the materials falling from the outer side of the rotor 2 and crush the materials in the crushing chamber 1, and the apparatus further comprises:

a feeding device a5, wherein the feeding device a5 enables the materials falling from the outer side of the rotor 2 to sequentially decrease in the number of particles from inside to outside;

a feeding device b6, wherein the feeding device b6 enables the materials thrown out from the inner side of the rotor 2 to sequentially decrease from top to bottom; the discharge hole of the feeding device b6 is provided with a material guide component 64 for changing the material throwing direction; and

the power device 7 is connected with the feeding device a5 and the feeding device b6 in a driving mode.

The drive system 3 includes a vertical shaft 31 drivingly connected to the rotor 2, and a motor system 32 drivingly connected to the vertical shaft 31.

It is further noted that the crushing chamber 1 is provided with a collision counter-impact zone 10 inside.

Further, as shown in fig. 4 and 5, the sieving assembly a51 includes a rotating column 511 rotatably disposed, a sieving plate 512 surrounding the rotating column 511 and forming a passage a510 with a large top and a small bottom with the rotating column 511, a passage b513 below the sieving plate a512 and correspondingly communicating with the conveying passage a52, and a spiral plate a5111 located in the passage a510 and fixed to the rotating column 511.

Further, a plurality of groups of sieve pore units a5121 are arranged on the sieve plate a512, and the pore diameters of the sieve pore units a5121 are gradually increased from top to bottom and are correspondingly communicated with the channel b 513.

It should be noted that the stones of the innermost path a52 are guided onto the rotor 2, and several groups of paths a52 are sequentially raised from the inside to the outside, so that the stones falling from the outside and the stones falling from the inside are kept in a continuous falling state, and the stones falling from the outside are not mixed into the stones falling from the inside.

More specifically, a feed port a5100 is arranged above the channel a 510.

It is important to note that the rotation of the rotation column 511 drives the spiral plate a5111, the material spirally descends in the channel a510, and at the same time, the material passes through the sieve pore units a5121 with gradually increasing pore diameters, the material is sieved, the material with corresponding size enters the corresponding channel b513 and then falls through the conveying channel a52, and the particle size gradually decreases in the radial direction when falling.

It is worth mentioning that the large stones falling from the innermost passage a52 collide with the large stones thrown from the uppermost side of the rotor 2, the stones become smaller, and then the stones continue to move to contact with the smaller stones again for shaping.

Further, as shown in fig. 4 and 6, the feeding device b6 includes a feeding channel b61 opened at the axial center of the rotating column 511, a screening component b62 communicated with the feeding channel b61, and a plurality of groups of conveying channels b63 rotating with the rotor 2 and conveying materials to the discharging port of the rotor 2 according to the particle size; the discharge ports of the conveying channels b63 face the radial direction of the rotor 2, and a plurality of groups of discharge ports of the conveying channels b63 are arranged in an up-and-down stacking manner.

Further, the screening assembly b62 includes two sets of rotating cones 621 disposed opposite to each other at the tip end and rotatably disposed, a screening plate b622 forming a passage c620 with a smaller upper portion and a larger lower portion with the rotating cone 621 therebelow, a passage d623 located below the screening plate b622 and correspondingly communicated with the conveying passage b63, and a spiral plate b6211 located in the passage c620 and fixed to the rotating cone 621.

Further, a plurality of groups of sieve pore units b6221 are arranged on the sieve plate b622, and the pore diameters of the plurality of groups of sieve pore units b6221 are gradually reduced from top to bottom and are correspondingly communicated with the channel d 623.

It should be noted that the material enters the channel a510 and simultaneously enters the upper rotating cone 621 from the feeding channel b61, then under the action of the spiral plate b6211, the material descends spirally in the channel c620, meanwhile, the material passes through the sieve pore unit b6221 with the pore diameter gradually increasing, the material is sieved, the material with the corresponding size enters the corresponding channel d623, and then is conveyed to the discharge port of the rotor 2 through the conveying channel b63, and the material particles at the discharge port of the rotor 2 are sequentially reduced from top to bottom.

It should be further noted that when the falling material contacts the material thrown out by the rotation 2, large particles contact and collide with large particles first, so that the crushing efficiency is higher, and along with the movement process, small particles formed after the large particles and the large particles are crushed contact and crush with the small particles.

It is worth mentioning that the particles in the crushing chamber 1 after contact with the impact reaction zone 10 are small particles which are shaped by impact with the outermost small particle material after rebound.

Further, as shown in fig. 7 and 8, the power device 7 includes a rotating shaft 71 coaxially and rotatably disposed with the conveying passage b63, and a reducer assembly 72 drivingly connected to the rotating shaft 71, the rotating cone 621 and the rotating column 511.

The speed reducer assembly 72 is a planetary speed reducer assembly.

It should be further noted that the rotor 2 requires a higher rotational speed for throwing out the material, and the rotational cone 621 and the rotational post 511 do not require a higher rotational speed, so that the reducer assembly 72 makes the rotational cone 621 and the rotational post 511 reach an optimal operating rotational speed.

It is worth mentioning that the material used in the present invention is a high strength material.

Further, as shown in fig. 9 and 10, the material guiding assembly 64 includes a mounting frame 641 correspondingly mounted at the discharge port of the rotor 2, a plurality of sets of rotating plates 642 linearly distributed on the mounting frame 641 and synchronously rotating, a limiting rod 643 disposed in the mounting frame 641 in a vertically sliding manner, a rack and pinion transmission assembly 644 dynamically connecting the limiting rod 643 and the plurality of sets of rotating plates 642, and a limiting block 646 mounted on the limiting disc 645 of the rotor 2 and disposed to be capable of abutting against the limiting rod 643.

It should be noted that, in the process of rotating the rotor 2, the position-limiting rod 643 and the plurality of sets of the rotating plates 642 rotate reciprocally, so that the direction in which the stones are thrown out of the rotor 2 can be changed, and the collision efficiency of the stones can be further improved.

Example two

FIG. 11 is a schematic structural diagram of a second embodiment of an apparatus for increasing sand production according to the present invention; as shown in fig. 11, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that:

the conveying amount of the channel b513 for conveying the large stones is larger than that of the channel a510, and the conveying amount of the conveying channel b63 for conveying the large stones is larger than that of the channel c620, so that the flowability of the stones in the conveying channel b63 and the channel b513 is increased, the instantaneous speed of the stones during collision is improved, the collision space is further increased, and the collision effect is improved.

EXAMPLE III

As shown in fig. 12, the present invention also provides a method for increasing sand production yield, comprising the following steps:

the method comprises the following steps: feeding stones, and respectively feeding stones into a screen assembly a51 and a screen assembly b62 from a feeding hole a5100 and a feeding channel b 61;

step two: the stones fall, the screening assembly a51 enables the stones to fall around the rotor 2 and the sizes of the stone particles are decreased from inside to outside;

step three: the cobblestones are thrown out synchronously with the step two, the size of cobblestone particles is sequentially distributed in a descending manner from top to bottom at the discharge hole of the rotor 2 by the screening component b61, and the cobblestone particles are thrown out by the rotation of the rotor 2;

step four: and (4) crushing the stones, wherein the stones in the step (II) and the step (III) are crushed in the crushing cavity 1 in a collision way.

Working process

The feeding device a5 enables the falling materials to gradually reduce the particle size along the radial direction; the feeding device b6 enables the material particles at the discharge port of the rotor 2 to be gradually reduced from top to bottom, and then the falling and thrown materials are fully collided.

Claims

1. An equipment for improving sand production yield, which comprises a crushing cavity (1), a rotor (2) and a driving system (3), wherein the rotor (2) is arranged in the crushing cavity (1), the driving system (3) is in driving connection with the rotor (2), the rotor (2) rotates to throw out materials in the rotor (2) to collide with the materials falling from the outer side of the rotor (2) and crush the materials in the crushing cavity (1), and the equipment is characterized by further comprising:

the feeding device a (5) enables the materials falling from the outer side of the rotor (2) to sequentially decrease from inside to outside particles;

the feeding device b (6) enables the materials thrown out of the inner side of the rotor (2) to sequentially decrease from top to bottom in particle mode; a material guide assembly (64) used for changing the material throwing direction is arranged at the material outlet of the feeding device b (6), the feeding device b (6) comprises a feeding channel b (61), a screening assembly b (62) communicated with the feeding channel b (61) and a plurality of groups of conveying channels b (63) which rotate along with the rotor (2) and can convey materials to the material outlet of the rotor (2) according to the particle size; the discharge ports of the conveying channels b (63) face the radial direction of the rotor (2), and a plurality of groups of discharge ports of the conveying channels b (63) are stacked up and down; and

the power device (7), the power device (7) is connected with the feeding device a (5) and the feeding device b (6) in a driving mode.

2. An apparatus for increasing the sand production capacity according to claim 1, characterised in that the feeding device a (5) comprises a screen assembly a (51) above the crushing chamber (1) and several groups of conveying channels a (52) for conveying the material to the outside of the rotor (2) according to the particle size.

3. The apparatus for increasing sand production according to claim 2, wherein the discharge ports of the plurality of sets of the passages a (52) are arranged obliquely toward the rotor (2), and the discharge ports of the plurality of sets of the passages a (52) are sequentially raised from the inside to the outside.

4. An apparatus for increasing sand production according to claim 2, wherein the screening assembly a (51) comprises a rotary column (511) which is rotatably arranged, a screening plate (512) which is circularly arranged outside the rotary column (511) and forms a channel a (510) with a large top and a small bottom with the rotary column (511), a channel b (513) which is positioned below the screening plate a (512) and correspondingly communicated with the conveying channel a (52), and a spiral plate a (5111) which is positioned in the channel a (510) and fixed with the rotary column (511); the sieve plate a (512) is provided with a plurality of groups of sieve pore units a (5121), the pore diameters of the sieve pore units a (5121) are gradually increased from top to bottom, and the sieve pore units a (5121) are correspondingly communicated with the channel b (513).

5. An apparatus for increasing sand production according to claim 4, wherein the feed channel b (61) opens at the axis of the rotary column (511).

6. An apparatus for increasing sand production according to claim 5, wherein said screening assembly b (62) comprises two sets of opposite-pointed and rotatably arranged rotating cones (621), a screening plate b (622) forming a channel c (620) with a smaller upper part and a larger lower part with the lower rotating cone (621), a channel d (623) located below the screening plate b (622) and correspondingly communicated with the conveying channel b (63), and a spiral plate b (6211) located in the channel c (620) and fixed with the rotating cones (621).

7. The equipment for improving the sand production yield according to the claim 6, wherein the sieve plate b (622) is provided with a plurality of groups of sieve hole units b (6221), the pore diameters of the sieve hole units b (6221) are gradually reduced from top to bottom, and the sieve hole units are correspondingly communicated with the channel d (623).

8. The apparatus for increasing the sand production according to claim 6, wherein the power device (7) comprises a rotating shaft (71) which is coaxially and rotatably arranged with the conveying channel b (63), and a speed reducer assembly (72) which is in transmission connection with the rotating shaft (71), the rotating cone (621) and the rotating column (511).

9. The apparatus for increasing sand production according to claim 1, wherein the material guiding assembly (64) comprises a mounting frame (641) correspondingly installed at the discharge port of the rotor (2), a plurality of sets of rotating plates (642) linearly distributed on the mounting frame (641) and synchronously rotating, a limiting rod (643) slidably arranged in the mounting frame (641) up and down, a rack and pinion transmission assembly (644) dynamically connecting the limiting rod (643) and the plurality of sets of rotating plates (642), and a limiting block (646) installed on a limiting disc (645) below the rotor (2) and capable of being collided with the limiting rod (643).

10. A method for improving sand production yield is characterized by comprising the following steps:

the method comprises the following steps: feeding stones, wherein the stones enter the screen assemblies a (51) and b (62) from a feeding hole a (5100) and a feeding channel b (61) respectively;

step two: the stones fall, and the screening assemblies a (51) enable the stones to fall around the rotor (2) and the sizes of the stone particles are sequentially reduced from inside to outside;

step three: the cobblestone is thrown out synchronously with the second step, the size of cobblestone particles is sequentially distributed in a descending manner from top to bottom at the discharge hole of the rotor (2) by the screening component b (61), and the cobblestone particles are thrown out by the rotation of the rotor (2);

step four: and (4) crushing the stones, wherein the stones in the step (II) and the step (III) are crushed in a crushing cavity (1) in a collision way.