CN113368934B

CN113368934B - Crushing and re-screening equipment for re-chelation of fly ash

Info

Publication number: CN113368934B
Application number: CN202110930023.2A
Authority: CN
Inventors: 程小康
Original assignee: Jiangsu Le'er Environmental Technology Co ltd
Current assignee: Jiangsu Le'er Environmental Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-10-29
Anticipated expiration: 2041-08-13
Also published as: CN113368934A

Abstract

The invention discloses crushing and re-screening equipment for re-chelation of fly ash, which comprises a bottom plate, wherein a U-shaped support frame is fixedly arranged on the bottom plate, a crushing mechanism is arranged in the support frame, the crushing mechanism comprises a pressing plate and a crushing frame which are arranged up and down, a driving assembly is arranged on the outer side wall of the support frame, the output end of the driving assembly is fixedly connected with the crushing frame, a vibrating screen assembly is arranged below the crushing frame, two material blocking assemblies are symmetrically arranged on the inner side wall of the support frame, and the two material blocking assemblies are respectively arranged at two sides of the crushing frame. The crushing mechanism further rolls and crushes the flying ash fragments to separate the magnetic particles from the flying ash, and then screens out and collects the magnetic particles in the process that the crushed flying ash particles are transferred to the next mechanism.

Description

Crushing and re-screening equipment for re-chelation of fly ash

Technical Field

The invention relates to the technical field of environment-friendly equipment, in particular to crushing and re-screening equipment for re-chelating fly ash.

Background

The fly ash needs to be fully crushed during secondary chelation, small-particle metals in fly ash fragments can be sieved again through magnetic separation equipment, the recovery rate of partial metals is improved, the crushing and sieving processes are completed through two groups of equipment in the conventional treatment method, the continuity between the working procedures is poor, the required working period is long, the working efficiency is low, and the two groups of equipment can occupy more areas of a factory building.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the crushing process and the re-screening process of fly ash fragments are completed by two sets of equipment in a matching way, the continuity between the working procedures is poor, the working efficiency is low, and the occupied area of the equipment is large.

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

a crushing and re-screening device for fly ash re-chelation comprises a bottom plate, wherein a U-shaped support frame is fixedly arranged on the bottom plate, a crushing mechanism is arranged in the support frame and comprises a pressing plate and a crushing frame which are arranged up and down, a driving assembly is arranged on the outer side wall of the support frame, the output end of the driving assembly is fixedly connected with the crushing frame, a vibrating screen assembly is arranged below the crushing frame and comprises two second push rods which are symmetrically arranged on the bottom wall of the crushing frame, the output ends of the two second push rods are fixedly connected with fixing frames, the two fixing frames jointly support a thin plate, an insulating cylinder is arranged in the thin plate in a sealing mode, conductive liquid is filled in the insulating cylinder, a controller is arranged on the thin plate, the insulating cylinder is electrically connected with the controller through a lead, and the central axis of the insulating cylinder forms an included angle with a horizontal line, the utility model discloses a broken frame's structure, including thin plate, sealed piece of bar, every the sealed piece of bar, every is provided with many minor axises through the montant symmetry support on the thin plate the inside average level of the sealed piece of bar is provided with many minor axises, every it is equipped with beats the ball, every to all slide the cover on the minor axis beat the ball and correspond between the inner wall of the sealed piece of bar equal fixedly connected with third spring, every the third spring all is connected with the controller electricity, the symmetry is provided with two stock stop assemblies on the inside wall of support frame, and two stock stop assemblies branch row in the both sides of broken frame, be equipped with riddling mechanism on the bottom plate, seted up on the bottom plate and collected the mouth, it is located between riddling mechanism and the broken mechanism to collect the mouth.

Further, the top fixed mounting of support frame has first push rod, the output and the clamp plate fixed connection of first push rod, the symmetry is provided with a plurality of broken teeth on the diapire of clamp plate, parallel mount has a plurality of material baffles in the broken frame, and divides the crisscross setting of material baffle and broken tooth, broken frame has the guide board towards one side fixed mounting of riddling mechanism, the lower fixed surface of guide board installs the electro-magnet.

Further, drive assembly includes the driving motor of fixed mounting on the support frame, interference fit has the driving gear on driving motor's the output shaft, the symmetry rotates on the support frame and installs two bull sticks, and two bull sticks keep away from the one end of support frame all with the lateral wall fixed connection of broken frame, one of them on the bull stick interference fit has driven gear, and driving gear and driven gear mesh mutually.

Further, two the fender material subassembly all includes the baffle, two equal a plurality of second springs of fixedly connected with between baffle and the support frame, two the baffle is the integrated into one piece shaping of buckling, and the angle of buckling is greater than 90.

Further, the re-screening mechanism comprises a fixed seat fixedly mounted on the bottom plate, a material guide plate is rotatably supported on the fixed seat, a plurality of first springs are symmetrically arranged between one end, far away from the collecting opening, of the material guide plate and the bottom plate, a cavity is formed in the material guide plate, and magnetic fluid is filled in the cavity.

The crushing mechanism further rolls and crushes the flying ash fragments to separate the magnetic particles from the flying ash, and then screens out and collects the magnetic particles in the process that the crushed flying ash particles are transferred to the next mechanism, compared with the conventional crushing and re-screening equipment, the invention does not need an additional magnetic screening device, has simpler structure and smaller floor area, saves the time consumed in the magnetic screening process and has higher re-screening efficiency; when the flying ash particles are poured, the knocking ball is used for knocking the side wall of the strip-shaped sealing block to shake off the compacted flying ash particles, so that the residual of the flying ash particles in the crushing frame is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a crushing and re-screening apparatus for fly ash re-chelation according to the present invention;

FIG. 2 is a schematic structural diagram of a crushing mechanism in a crushing and re-screening apparatus for fly ash re-chelation according to the present invention;

FIG. 3 is a schematic diagram of the position of a baffle in a crushing and re-screening apparatus for fly ash re-sequestration according to the present invention;

FIG. 4 is a bottom view of a side mounting bracket of a crushing and re-screening apparatus for fly ash re-chelation according to the present invention;

FIG. 5 is a schematic view of the internal structure of a part of a strip-shaped sealing block in a crushing and re-screening apparatus for fly ash re-chelation according to the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a schematic structural diagram of an insulation cylinder in a crushing and re-screening apparatus for fly ash re-chelation according to the present invention;

FIG. 8 is a schematic structural diagram of a rescreening mechanism in a crushing rescreening apparatus for fly ash re-chelation according to the present invention;

FIG. 9 is a schematic diagram of the position of a cavity in a crushing and re-screening apparatus for fly ash re-sequestration according to the present invention.

In the figure: the device comprises a support frame 1, a pressing plate 2, a crushing tooth 3, a baffle 4, a driving motor 5, a bottom plate 6, a thin plate 7, a strip-shaped sealing block 8, a crushing frame 9, a feeding hopper 10, a guide plate 11, a guide plate 12, a collecting port 13, a cavity 14, a fixing seat 15, a first spring 16, a first push rod 17, a material separating partition plate 18, a vertical rod 19, a fixing frame 20, a second push rod 21, a rotating rod 22, a driven gear 23, a second spring 24, an insulating cylinder 25, a guide rod 26, a driving gear 27, a beating ball 28, a short shaft 29, a third spring 30, a controller 31 and an electromagnet 32.

Detailed Description

Referring to fig. 1, a flying dust is chelate again with broken riddle equipment, comprising a base plate 6, the fixed support frame 1 that is equipped with the U-shaped on the bottom plate 6, be equipped with broken mechanism in the support frame 1, broken mechanism is including clamp plate 2 and broken frame 9 that set up from top to bottom, install drive assembly on support frame 1's the lateral wall, and drive assembly's output and broken frame 9 are fixed continuous, the subassembly that shakes is installed to the below of broken frame 9, the symmetry is provided with two on support frame 1's the inside wall and keeps off the material subassembly, and two keep off the material subassembly branch lists in the both sides of broken frame 9, be equipped with the riddle mechanism on bottom plate 6, collection mouth 13 has been seted up on bottom plate 6, it is located between riddle mechanism and the broken mechanism to collect mouth 13.

A first push rod 17 is fixedly installed at the top end of the support frame 1, the output end of the first push rod 17 is fixedly connected with the pressure plate 2, a plurality of crushing teeth 3 are symmetrically arranged on the bottom wall of the pressure plate 2, a plurality of material distribution partition plates 18 are installed in parallel in the crushing frame 9, the material distribution partition plates 18 and the crushing teeth 3 are arranged in a staggered mode, when the pressure plate 2 is driven by the first push rod 17 to move downwards, the crushing teeth 3 can move between the two corresponding material distribution partition plates 18, and fly ash fragments between the material distribution partition plates 18 are crushed;

as shown in fig. 3, the cross section of the material-distributing partition 18 is approximately trapezoidal, the upper half part of the material-distributing partition is an inclined plane, and the lower half part of the material-distributing partition is a vertical plane, so that the fly ash blocks can be gathered between the material-distributing partition 18, and can be substantially uniformly distributed in the crushing frame 9, and the crushing teeth 3 can be fully contacted and extruded with the fly ash blocks, thereby achieving the purpose of crushing;

broken frame 9 has guide plate 11 towards one side fixed mounting of riddling mechanism, and guide plate 11 is the arc, and fly ash granule is difficult to pile up on guide plate 11, and the lower surface fixed mounting of guide plate 11 has electro-magnet 32, and when electro-magnet 32 circular telegram, its magnetic field direction is vertical direction.

Referring to fig. 3, the driving assembly includes a driving motor 5 fixedly mounted on the support frame 1, a driving gear 27 is in interference fit on an output shaft of the driving motor 5, two rotating rods 22 are symmetrically and rotatably mounted on the support frame 1, and one ends of the two rotating rods 22 far away from the support frame 1 are fixedly connected with a side wall of the crushing frame 9, as shown in fig. 4, the two rotating rods 22 are both connected with a middle portion of the side wall of the crushing frame 9, when the crushing frame 9 inclines, a central axis of the rotating rod 22 is taken as a rotation axis, a fixing frame connected with the rotating rod 22 can be added on the periphery of the crushing frame 9 as a support for the crushing frame 9, the fixing frame is taken as a conventional technical means and is not shown in the drawing, a driven gear 23 is in interference fit on one of the rotating rods 22, and the driving gear 27 is meshed with the driven gear 23.

Referring to fig. 4-6, the vibrating screen assembly includes two second push rods 21 symmetrically installed on the bottom wall of the crushing frame 9, the second push rods 21 are general electric hydraulic push rods, the output ends of the two second push rods 21 are both fixedly connected with a fixing frame 20, and the two fixing frames 20 jointly support a thin plate 7, a plurality of strip-shaped sealing blocks 8 are symmetrically supported on the thin plate 7 through vertical rods 19, the bottoms of the strip-shaped sealing blocks 8 are open, that is, the whole strip-shaped sealing blocks 8 are rectangular cover bodies, each strip-shaped sealing block 8 is hermetically and slidably connected with the inner side wall of the crushing frame 9 and the outer side wall of the corresponding material distributing partition plate 18, when the strip-shaped sealing block 8 is located at the lowest position, the strip-shaped sealing block still contacts with the crushing frame 9, so that the bottom of the crushing frame 9 is in a sealed state, a plurality of short shafts 29 are horizontally arranged inside each strip-shaped sealing block 8, a beating ball 28 is slidably sleeved on each short shaft 29, and a third spring 30 is fixedly connected between each knocking ball 28 and the inner wall of the corresponding strip-shaped sealing block 8, and the directions of the two adjacent knocking balls 28 are opposite.

Referring to fig. 7, an insulating cylinder 25 is hermetically installed in the thin plate 7, conductive liquid is contained in the insulating cylinder 25, the filling amount of the conductive liquid is smaller than the volume of the insulating cylinder 25, a controller 31 is arranged on the thin plate 7, the insulating cylinder 25 is electrically connected with the controller 31 through a wire, an included angle is formed between the central axis of the insulating cylinder 25 and the horizontal line, the included angle ranges from 5 degrees to 15 degrees, when the crushing frame 9 and the thin plate 7 are in the horizontal state, the insulating cylinder 25 is in an inclined state, the conductive liquid in the insulating cylinder flows to the low current, the higher end of the insulating cylinder 25 is not in contact with the conductive liquid, and each third spring 30 is electrically connected with the controller 31.

Referring to fig. 3, each of the two material blocking assemblies comprises a baffle 4, a plurality of second springs 24 are fixedly connected between each of the two baffle 4 and the support frame 1, the second springs 24 are arranged around the guide rods 26, so that the instability of the second springs 24 when the second springs are deformed can be avoided, the two baffle 4 are integrally formed by bending, and the bending angle is larger than 90 degrees;

as shown in FIG. 3, the bending angle of the baffle 4 is abutted against the side edge of the crushing frame 9, so that flying ash fragments can be prevented from splashing outside the crushing frame 9, and the opposite side of the two baffles 4 is obliquely directed to the support frame 1, so that when the splashed flying ash fragments fall on the baffles 4, the flying ash fragments can be bounced to the middle part of the crushing frame 9 or slide down into the crushing frame 9 under the action of inertia, and the accumulation of the flying ash fragments at the edge of the crushing frame 9 can be reduced.

The rescreening mechanism includes fixing base 15 of fixed mounting on bottom plate 6, it has stock guide 12 to rotate the support on fixing base 15, the symmetry is provided with a plurality of first springs 16 between one end that collection mouth 13 was kept away from to stock guide 12 and bottom plate 6, cavity 14 has been seted up in stock guide 12, the cavity 14 intussuseption is filled with the magnetic current body, under the natural state, the incline direction of stock guide 8 is as shown in figure 8, at this moment, granule on the stock guide 8 can the landing just to in collection mouth 13, the box or the bag body can be placed to the below of collecting mouth 13, so that collect the magnetic particle.

The solidified fly ash quantitatively falls into the crushing frames 9 through the feeding hopper 10, under the action of the material distribution partition plates 18, fly ash fragments are uniformly distributed among the material distribution partition plates 18, the strip-shaped sealing blocks 8 are connected with the inner side walls of the crushing frames 9 and the outer side walls of the material distribution partition plates 18 in a sealing mode, namely the strip-shaped sealing blocks 8, the material distribution partition plates 18 and the crushing frames 9 jointly form a plurality of rectangular grooves, the fly ash fragments fall into the rectangular grooves, and then the first push rod 17 drives the press plate 2 to move up and down periodically, so that the crushing teeth 3 continuously crush the fly ash blocks, and the fly ash blocks are crushed;

in the feeding and crushing processes, the baffle 4 can prevent flying ash fragments from splashing to the outer side of the crushing frame 9, and when the splashed fragments fall on the baffle 4, the fragments can bounce to the middle of the crushing frame 9 or slide down into the crushing frame 9 under the action of inertia, so that the accumulation of the flying ash fragments at the edge of the crushing frame 9 is reduced;

after the crushing frame is fully crushed, the first push rod 17 drives the pressing plate 2 to reset, the driving motor 5 drives the driving gear 27 to slowly rotate for a certain angle after being started, the driven gear 23 meshed with the driving gear 27 simultaneously drives the crushing frame 9 to rotate for a corresponding angle through the rotating rod 22, and because the two baffle plates 4 are integrally bent and formed and the bending angles of the baffle plates 4 are abutted against the side edges of the crushing frame 9, the baffle plates 4 can be extruded towards the direction of the supporting frame 1 in the rotating process of the crushing frame 9, and the second spring 24 is in a compressed state;

when broken frame 9 inclines, second push rod 21 passes through mount 20 drive sheet metal 7 upward movement, and then makes montant 19 drive the sealed piece 8 upward movement of bar, and the sealed piece 8 of bar can be with the ejecting broken frame 9 of flying dust granule after the breakage, is convenient for pour out the flying dust granule in the broken frame 9, and flying dust granule can fall to guide plate 12 through guide board 11.

As shown in fig. 3, the material-distributing partition 18 is higher than the side edge of the crushing frame 9, the upper half part of the material-distributing partition is an inclined plane, the lower half part of the material-distributing partition is a vertical plane, and the strip-shaped sealing block 8 contacts with the vertical plane of the material-distributing partition 18 first when moving upwards and then moves to the inclined plane, so that when flying ash particles are poured, the residual flying ash particles between the strip-shaped sealing block 8 and the material-distributing partition 18 are less, and the residual flying ash particles in the crushing frame 9 are reduced;

when the thin plate 7 inclines along with the crushing frame 9, the conductive liquid in the insulating cylinder 25 flows to the other end of the insulating cylinder 25, so that the wires at two ends of the insulating cylinder 25 are in a conducting state, the controller 31 controls the third spring 30 to be periodically electrified, and adjacent coils in the same current direction generate mutual attraction force, so that the third spring 30 can be periodically contracted under the magnetic effect of current, and when the third spring 30 extends, the knocking ball 28 can hit the side wall of the strip-shaped sealing block 8, so that the strip-shaped sealing block vibrates, and compacted fly ash particles are shaken off;

meanwhile, the controller 31 also controls the electromagnet 32 to be electrified, so that the electromagnet 32 generates a magnetic field in the vertical direction, the magnetic fluid in the material guide plate 12 shows magnetism in the magnetic field, and one end of the material guide plate 12 close to the electromagnet 32 is attracted by the magnetism to move upwards, at this time, the first spring 16 is compressed, the material guide plate 12 inclines downwards to the right, and the fly ash particles are guided to move downwards to the right to enter the next mechanism;

when the fly ash particles pass through the guide plate 11 and the guide plate 12, the magnetic particles wrapped by the fly ash particles are attracted by the magnetic field and attached to the surfaces of the guide plate 11 and the guide plate 12, after the fly ash particles are poured, the driving motor 5 drives the crushing frame 9 to reset through the driving gear 27, the driven gear 23 and the rotating rod 22, the thin plate 7 is restored to the horizontal state, in the process, the conductive liquid is concentrated at one end of the insulating cylinder 25, the controller 31 controls the third spring 30 and the electromagnet 32 to be powered off, the guide plate 12 resets under the action of the first spring 16, and under the action of gravity, the magnetic particles collected on the guide plate 11 and the guide plate 12 automatically fall into the collecting port 13 to complete the re-screening process of the magnetic particles;

as shown in fig. 9, the magnetic fluid is distributed near the collecting port 13, and the magnetic particles are also concentrated above the cavity 14, and when the electromagnet 32 is powered off until the first spring 16 drives the material guiding plate 12 to return, the magnetic particles will not roll off the material guiding plate 12 to the next mechanism without affecting the collection of the magnetic particles although they will move a certain distance.

Claims

1. The utility model provides a flying dust is chelate again with broken riddling equipment, includes bottom plate (6), fixed support frame (1) that is equipped with the U-shaped on bottom plate (6), its characterized in that, be equipped with broken mechanism in support frame (1), broken mechanism is including clamp plate (2) and broken frame (9) that set up from top to bottom, install drive assembly on the lateral wall of support frame (1), and drive assembly's output and broken frame (9) fixed link to each other, the below of broken frame (9) is installed and is shaken the sieve subassembly, it includes two second push rods (21) of symmetry installation on broken frame (9) diapire to shake the sieve subassembly, two the output of second push rod (21) all fixedly connected with mount (20), and two mount (20) support thin plate (7) jointly, sealed installation has an insulating cylinder (25) in thin plate (7), the insulation tube (25) is internally filled with conductive liquid, a controller (31) is arranged on the thin plate (7), the insulation tube (25) is electrically connected with the controller (31) through a wire, an included angle is formed between the central axis of the insulation tube (25) and the horizontal line, a plurality of strip-shaped sealing blocks (8) are symmetrically supported on the thin plate (7) through vertical rods (19), a plurality of short shafts (29) are horizontally arranged in each strip-shaped sealing block (8), each short shaft (29) is sleeved with a knocking ball (28) in a sliding mode, a third spring (30) is fixedly connected between each knocking ball (28) and the inner wall of the corresponding strip-shaped sealing block (8), each third spring (30) is electrically connected with the controller (31), two material blocking assemblies are symmetrically arranged on the inner side wall of the support frame (1), and the two material blocking assemblies are respectively arranged on two sides of the crushing frame (9), the double-screen crusher is characterized in that a double-screen mechanism is arranged on the bottom plate (6), a collecting port (13) is formed in the bottom plate (6), and the collecting port (13) is located between the double-screen mechanism and the crushing mechanism.

2. The crushing and re-screening device for re-chelation of fly ash according to claim 1, characterized in that a first push rod (17) is fixedly installed at the top end of the support frame (1), the output end of the first push rod (17) is fixedly connected with the press plate (2), a plurality of crushing teeth (3) are symmetrically arranged on the bottom wall of the press plate (2), a plurality of material separating and separating plates (18) are installed in parallel in the crushing frame (9), the material separating plates (18) and the crushing teeth (3) are arranged in a staggered manner, a guide plate (11) is fixedly installed on one side of the crushing frame (9) facing the re-screening mechanism, and an electromagnet (32) is fixedly installed on the lower surface of the guide plate (11).

3. The crushing and re-screening device for re-chelation of fly ash according to claim 1, characterized in that the driving assembly comprises a driving motor (5) fixedly installed on the support frame (1), an output shaft of the driving motor (5) is provided with a driving gear (27) in an interference fit manner, the support frame (1) is symmetrically and rotatably provided with two rotating rods (22), one ends of the two rotating rods (22) far away from the support frame (1) are fixedly connected with the side wall of the crushing frame (9), one of the rotating rods (22) is provided with a driven gear (23) in an interference fit manner, and the driving gear (27) is meshed with the driven gear (23).

4. The crushing and re-screening device for re-chelation of fly ash according to claim 1, characterized in that two said material blocking assemblies comprise baffle plates (4), a plurality of second springs (24) are fixedly connected between two said baffle plates (4) and the supporting frame (1), two said baffle plates (4) are integrally formed by bending, and the bending angle is greater than 90 °.

5. The crushing and re-screening device for re-chelation of fly ash according to claim 1, characterized in that the re-screening mechanism comprises a fixed seat (15) fixedly installed on the bottom plate (6), a material guide plate (12) is rotatably supported on the fixed seat (15), a plurality of first springs (16) are symmetrically arranged between one end of the material guide plate (12) far away from the collecting port (13) and the bottom plate (6), a cavity (14) is formed in the material guide plate (12), and a magnetic fluid is filled in the cavity (14).