CN111359701A - Process for producing recycled sandstone aggregate by using mine solid waste - Google Patents
Process for producing recycled sandstone aggregate by using mine solid waste Download PDFInfo
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- CN111359701A CN111359701A CN202010195238.XA CN202010195238A CN111359701A CN 111359701 A CN111359701 A CN 111359701A CN 202010195238 A CN202010195238 A CN 202010195238A CN 111359701 A CN111359701 A CN 111359701A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/02—Jaw crushers or pulverisers
- B02C1/04—Jaw crushers or pulverisers with single-acting jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
Abstract
The invention discloses a process for producing recycled sandstone aggregate by using mine solid waste, which relates to the technical field of mining, and is completed by matching a device for producing the recycled sandstone aggregate by using the mine solid waste. According to the invention, the mine solid waste is thrown into the rhombic steel wire mesh, the mine solid waste is primarily screened in the conveying process through the rhombic steel wire mesh, the mesh size of the rhombic steel wire mesh is set to be the diameter of the fragments made of the sandstone aggregate, and the screened mine fixed waste can be directly used for making the sandstone aggregate.
Description
Technical Field
The invention relates to the technical field of mining, in particular to a process for producing recycled sandstone aggregate by using mine solid waste.
Background
The mining solid waste is called mining waste for short, and refers to waste rocks and tailings generated in the process of mining and washing ores, surrounding rocks need to be stripped and waste rocks are discharged in the process of mining ores, the mined ores also need to be washed and selected to improve the grade, the discharged tailings form solid mine waste, and the sandstone aggregate is a general name of materials such as sand, pebble (gravel) stones, broken stones, lump stones, material stones and the like in hydraulic engineering. The sandstone aggregate is a main building material of structures such as concrete, piled stone and the like in hydraulic engineering.
At present, mine solid waste is often utilized to prepare sandstone aggregate so as to reduce energy waste and reasonably develop mine energy; the mine solid waste is tailings, the structure size of the mine solid waste is not uniform, the mine solid waste with a small structure can be directly used for manufacturing a sand-stone framework, the mine solid waste with a large structure is crushed, and the patent number CN201821725931.8 discloses an ore crushing device. The ore crushing device comprises a mounting base plate; a support mechanism; a housing; the driving mechanism is characterized in that one ends of the two transmission gear shafts outside the shell are respectively provided with the first transmission gear and the second transmission gear; the first transmission gear and the second transmission gear are meshed with the driving gear respectively; a feeding mechanism; a discharging mechanism; a buffer mechanism; the filter screen is fixedly arranged at the bottom of the discharge port in the shell, the first filter partition plate and the second filter partition plate are fixedly connected to two sides of the bottom of the filter screen respectively, and the ash outlet is formed in the bottom of the shell between the first filter partition plate and the second filter partition plate; a baffle mechanism. The utility model provides an ore crushing device has the garrulous stone bits and the stone dust that the during operation can discharge the production simultaneously, reduces the risk factor, extension device life's advantage.
In practical use, the ore crushing device disclosed in the above patent still has the following technical problems:
firstly, mine solid waste is different in structure size and needs to be screened, and mine solid waste with a larger structure needs to be screened and then crushed.
Secondly, during the crushing process of the mine solid waste, the crushed mine solid waste is in a crushed block shape, and the crushed mine solid waste is large in structure, so that the conveying mechanism is easy to clamp in the conveying process, and conveying blockage is caused.
Disclosure of Invention
The invention aims to provide a process for producing recycled sandstone aggregate by using mine solid waste, which aims to solve the problems that the mine solid waste is different in structure size and needs to be screened, the mine solid waste with a larger structure needs to be screened and then crushed, and the mine solid waste is easy to block a conveying mechanism in the conveying process to cause conveying blockage because the crushed mine fixed waste is in a crushed block shape and the crushed mine solid waste has a larger structure in the crushing process.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a process for producing recycled sandstone aggregate by using mine solid waste is completed by matching a device for producing the recycled sandstone aggregate by using the mine solid waste, the device for producing the reclaimed sand aggregate by using the mine solid wastes comprises a frame and a rhombic steel wire mesh arranged on the frame, a plurality of chain wheels are symmetrically arranged at the front side and the rear side of the top end of the frame, a chain is arranged on the chain wheels at each side of the frame for transmission, two ends of the rhombic steel wire mesh are respectively fixed on the chains at two sides of the frame, the middle part of the frame is provided with a material storage box, the storage box is positioned at the bottom of the rhombic steel wire mesh and close to the left end of the rack, the crushing device is arranged on the right side of the rack, the crushing device is communicated with the material lifting and filtering device, and the material lifting and filtering device filters regenerated gravel aggregate;
the front side and the rear side of the top end of the rack are symmetrically provided with a plurality of supports which are vertically fixed at the top end of the rack, the middle of each support is provided with a sliding groove, the top end of the rhombic steel wire mesh is provided with a plurality of rollers which are distributed at equal intervals, the outer wall of each roller is provided with a plurality of shifting rods which are of cylindrical structures, each shifting rod is vertically fixed at the outer wall of each roller, two adjacent shifting rods are fixed at the outer wall of each roller at equal intervals, sliding blocks are arranged at two ends of each roller, the sliding blocks at two ends of each roller are embedded into the sliding grooves in a sliding fit mode, the upper ends of the sliding blocks embedded into the sliding grooves are provided with pressure springs, the middle of the rack is fixedly provided with a motor, and the motor;
the material lifting and filtering device comprises a first support, a third storage box, a first discharge port, a second support, a second discharge port, a discharge baffle, a hopper, a second motor, a auger roller, a discharge round hole and a conveying cylinder shell, wherein the conveying cylinder shell is of a cylindrical structure, the bottom end of the conveying cylinder shell is provided with a first support, the conveying cylinder shell is internally provided with a conveying cavity of the cylindrical structure, the upper end of the conveying cylinder shell is provided with the hopper, the hopper is communicated with the conveying cavity inside, the auger roller is arranged in the conveying cavity of the conveying cylinder shell, the top end of the conveying cylinder shell is fixedly provided with the second motor, an output shaft of the second motor penetrates through the conveying cylinder shell through a rolling bearing and extends into the conveying cavity, the top end of an output shaft of the second motor extending into the conveying cavity is fixedly connected with the auger roller through a coupler, and the top of the conveying cylinder shell is provided with the second discharge port downwards, a second storage box is mounted at the bottom end of the second discharge port, a plurality of discharge circular holes are formed downwards in the conveying cavity of the conveying cylinder shell, a discharge baffle is mounted below the discharge circular holes, a first discharge port is formed downwards in the bottom of the discharge baffle, and a third storage box is mounted at the bottom of the first discharge port;
the process for producing the recycled sandstone aggregate by using the mine solid waste specifically comprises the following steps:
s1, throwing waste: throwing the mine solid waste above the rhombic steel wire mesh;
s2, screening waste: screening the mine solid waste thrown onto the rhombic steel wire mesh in the step S1, and screening out the mine solid waste with a smaller structure through meshes of the rhombic steel wire mesh so as to convey the mine solid waste with a larger structure into a crushing device for crushing;
s3, crushing waste: crushing the mine solid waste conveyed into the crushing device in the step S2 to crush the mine solid waste with a larger structure into pieces;
s4, secondary screening of waste: performing secondary screening on the mine solid waste crushed into the block shape in the step S3, putting the mine solid waste into a material lifting and filtering device, filtering by the material lifting and filtering device, separately storing the mine solid waste with larger structure and the mine solid waste with smaller structure, wherein the mine solid waste with smaller structure is used for preparing reclaimed sandstone aggregate,
s5, repeated crushing: and (5) repeating the steps S1-S4 on the mine solid waste with the larger structure in the step S4 to finish the crushing treatment of the mine waste.
As a preferable technical scheme of the invention, the crushing device comprises a base, a fixed occluding plate which is upright on the top end of the base is arranged on the top end of the base, the fixed occluding plate is of a square plate structure, hinged supports are symmetrically arranged on the front side and the rear side of the bottom of the fixed occluding plate, movable occluding plates are hinged on the hinged supports on the two sides, the movable occluding plate of the movable occluding plate is of a square plate structure, a first connecting rod is hinged on the top of the movable occluding plate, the top end of the first connecting rod is hinged on a crank, the crank is arranged on an output shaft of a second motor, the second motor is fixedly arranged on the ground,
move towards in fixed interlock board direction activity interlock board lateral wall is equipped with a plurality of bellied first bits of broken glass teeth, moves towards in activity interlock board direction fixed interlock board lateral wall is equipped with a plurality of bellied second bits of broken glass teeth, first bits of broken glass teeth and second bits of broken glass teeth staggered arrangement, first bits of broken glass teeth and the second bits of broken glass teeth are all established to the cylinder structure, just first bits of broken glass teeth and the second top of breaking glass teeth of broken glass teeth all is equipped with the awl point of circular cone structure, the lateral wall of activity interlock board is equipped with a plurality of bellied grinding balls, grinding balls are at the equidistant distribution of the right side wall of activity interlock board, grinding balls are located the below of first bits of broken glass teeth at the right side wall of activity interlock board.
As a preferred technical scheme of the invention, the grinding ball comprises a spherical cover fixed on the right side wall of the movable occlusal plate, the spherical cover is a spherical shell with a hollow cavity inside, a cam is installed in the hollow cavity of the spherical cover and fixed at the top end of a supporting rod, the other end of the supporting rod passes through the movable occlusal plate in a sliding fit manner to extend out to the left side of the movable occlusal plate, and a top block is installed at the top end of the supporting rod extending out of the left side of the movable occlusal plate;
the outer wall parcel of spherical cover has hemispherical structure's spherical cover, the outer wall of spherical cover is equidistant to be seted up and to be communicated in the round hole in hollow cavity, install the ejector pin of cylinder structure through the sliding fit mode in each round hole of spherical cover, the cylinder structure the ejector pin bottom stretches into in the hollow cavity of spherical cover, stretches into in the hollow cavity of spherical cover ejector pin top and cam sliding contact.
The left side wall middle part of activity interlock board is equipped with bellied slide, the slide is equipped with two altogether, two the slide is located the front and back both sides of activity interlock board left side wall, the slider is installed to the left side wall of activity interlock board, the slider passes through sliding fit mode joint on the slide the top of slider articulates there is the second connecting rod, the top of second connecting rod articulates in the middle part of first connecting rod.
As a preferred technical scheme of the invention, the top end of the ejector rod is of a semi-sphere structure.
As a preferable technical scheme of the present invention, an inclined plane is formed at a top end of the top block, and the inclined plane of the top block faces a direction of the slider.
As a preferable technical scheme of the invention, the bottom end of the sliding block is provided with an inclined surface, and the inclined surface at the bottom end of the sliding block faces to the direction of the top block.
Compared with the prior art, the invention at least comprises the following beneficial effects:
firstly, mine solid waste is thrown on a rhombic steel wire mesh, the mine solid waste is conveyed through the rhombic steel wire mesh, the surface of the rhombic steel wire mesh is provided with meshes, the mine solid waste is screened through the meshes of the rhombic steel wire mesh, the mine solid waste with a smaller structure is screened and removed and falls into a storage box for collection, a roller is arranged at the top of the rhombic steel wire mesh and stirs the mine solid waste at the top of the rhombic steel wire mesh, so that the mine solid waste laid on the rhombic steel wire mesh is placed flatly, small fragments mixed in the mine solid waste with a larger structure are stirred and dispersed and fall into the storage box below, the storage box is placed at the left end close to a rack, and the mine solid waste thrown on the rhombic steel wire mesh is collected conveniently, and the falling is avoided.
Secondly, the mine solid waste is thrown into the rhombic steel wire mesh, primary screening is carried out in the process of conveying the mine solid waste through the rhombic steel wire mesh, the mesh size of the rhombic steel wire mesh is set to be the diameter of fragments made of sandstone aggregate, the screened mine fixed waste can be directly used for making the sandstone aggregate, a crushing device is arranged on the right side of the rack, the mine solid waste with a larger structure is crushed through the crushing device, the crushed mine solid waste is screened through a material lifting and filtering device and is stored separately, the mine solid waste used for making the sandstone aggregate can be screened out through the primary screening and the secondary screening, and the efficiency of producing the regenerated sandstone aggregate from the mine solid waste is improved;
the mine solid waste thrown between the fixed occluding plate and the movable occluding plate is crushed by the extrusion through the first biting teeth on the side wall of the movable occluding plate and the second biting teeth on the side wall of the fixed occluding plate which are arranged in a staggered manner, the mine solid waste thrown between the fixed occluding plate and the movable occluding plate is crushed by the chisel through the cone tips of the cone structures arranged at the top ends of the first biting teeth and the second biting teeth which are arranged in a staggered manner, and the mine solid waste thrown between the fixed occluding plate and the movable occluding plate is crushed by the secondary crushing through the grinding balls arranged on the right side wall of the movable occluding plate and below the first biting teeth, so that the mine solid waste crushed above is crushed by the grinding balls in the process of being clamped with the fixed occluding plate.
Third, the movable ejector rod is installed in the grinding ball, the top end of the ejector rod is in sliding contact with the cam, and in the process that the movable occlusal plate and the fixed occlusal plate are clamped through the first connecting rod, the first connecting rod pushes the sliding block to move downwards through the second connecting rod to push the cam in the grinding ball to rotate, the cam rotates to sequentially push the ejector rod to eject out of the spherical cover, and mine solid waste thrown between the fixed occlusal plate and the movable occlusal plate is ground for the second time.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention for producing recycled sandstone aggregate from mine solid waste;
FIG. 2 is a schematic overall structure diagram of the apparatus for producing reclaimed sand aggregate from mine solid waste according to the present invention;
FIG. 3 is a top view of the diamond wire mesh of the present invention mounted on a frame;
FIG. 4 is a schematic view of the crushing apparatus according to the present invention;
FIG. 5 is a schematic cross-sectional view of the crushing ball of the present invention;
FIG. 6 is a schematic cross-sectional view of a lift filter apparatus according to the present invention;
in the figure: 1. a chain, 2, a chain wheel, 3, a frame, 4, a storage box, 5, a motor, 6, a second chain, 7, a main chain wheel, 8, a bracket, 9, a pressure spring, 10, a slide block, 11, a chute, 12, a roller, 13, a deflector rod, 14, a crushing device, 1401, a crank, 1402, a second motor, 1403, a connecting rod, 1404, a second connecting rod, 1405, a slide block, 1406, a movable snap plate, 1407, a first biting tooth, 1408, a second biting tooth, 1409, a fixed snap plate, 1410, a fixed frame, 1411, a base, 1412, a hinged support, 1413, a crushing ball, 1414, a slide, 1415, a spherical cover, 6, a mandril, 1417, a spring, 1418, a spherical sleeve, 1419, a cam, 1420, a support rod, 1411, a top block, 15, a lifting filter device, 1501, a first bracket, 1502, a third storage box, 1503, a first discharge port, 1504, a second discharge port, a second bracket, 1506, a baffle, 1507. the material hopper, 1508, the second motor, 1509, hinge dragon roller, 1510, ejection of compact round hole, 1511, conveying cylinder shell, 16, second storage case, 17, third motor, 18, rhombus wire net.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Please refer to fig. 1-6, which are schematic structural diagrams illustrating an overall process for producing recycled sand aggregate from mine solid waste;
a process for producing recycled sandstone aggregate by using mine solid waste is completed by matching a device for producing the recycled sandstone aggregate by using the mine solid waste, the device for producing regenerated gravel aggregate from mine solid waste comprises a rack 3 and a rhombic steel wire mesh 18 arranged on the rack 3, wherein a plurality of chain wheels 2 are symmetrically arranged on the front side and the rear side of the top end of the rack 3, a chain 1 is arranged on the chain wheel 2 on each side of the rack 3 for transmission, two ends of the rhombic steel wire mesh 18 are respectively fixed on the chains 1 on two sides of the rack 3, a storage box 4 is arranged in the middle of the rack 3, the storage box 4 is positioned at the bottom of the rhombic steel wire mesh 18 and close to the left end of the rack 3, a crushing device 14 is arranged on the right side of the rack 3, the crushing device 14 is communicated with a lifting and filtering device 15, and the lifting and filtering device 15 filters regenerated gravel aggregate;
a plurality of supports 8 vertically fixed at the top end of the rack 3 are symmetrically arranged on the front side and the rear side of the top end of the rack 3, a sliding groove 11 is formed in the middle of each support 8, a plurality of rollers 12 which are distributed at equal intervals are installed at the top end of a diamond-shaped steel wire mesh 18, a plurality of shifting rods 13 of cylindrical structures are arranged on the outer wall of each roller 12, each shifting rod 13 is of a cylindrical structure, each shifting rod 13 is vertically fixed on the outer wall of each roller 12, two adjacent shifting rods 13 are fixed on the outer wall of each roller 12 at equal intervals, sliding blocks 10 are installed at two ends of each roller 12, the sliding blocks 10 at two ends of each roller 12 are embedded into the sliding grooves 11 in a sliding fit mode, a pressure spring 9 is installed at the upper end of each sliding block 10 embedded into the sliding groove 11, a motor 5 is fixedly;
the middle roller 12 is driven by a third motor 17, and the middle roller 12 is driven by the third motor 17 to rotate, so that the middle roller 12 can rotate, mine solid waste thrown on the diamond steel wire mesh 18 can be stirred conveniently, and the mine solid waste can be placed flatly on the diamond steel wire mesh.
The material lifting and filtering device 15 comprises a first bracket 1501, a third material storage box 1502, a first discharge port 1503, a second bracket 1504, a second discharge port 1505, a discharge baffle 1506, a hopper 1507, a second motor 1508, a dragon-like roller 1509, a discharge round hole 1510 and a conveying cylinder shell 1511, wherein the conveying cylinder shell 1511 is of a cylindrical structure, the conveying cylinder shell 1511 is obliquely fixed on the ground, the bottom end of the conveying cylinder shell 1511 is provided with the first bracket 1501 for supporting, a conveying cavity of the cylindrical structure is arranged in the conveying cylinder shell 1511, the upper end of the conveying cylinder shell 1511 is provided with the hopper 1507, the hopper 1507 is communicated with the conveying cavity in the conveying cylinder shell 1511, the dragon-like roller 1509 is arranged in the conveying cavity of the conveying cylinder shell 1511, the top end of an output shaft of the second motor 1508 penetrates through the conveying cylinder shell 1511 through a rolling bearing and extends into the conveying cavity, the top end of the output shaft of the second motor 1508 extending into the conveying cavity is fixedly connected with the dragon-like roller 1509 through the coupling, a second discharge hole 1505 is formed in the top of the conveying cylinder shell 1511 downwards, a second storage box 16 is mounted at the bottom end of the second discharge hole 1505, a plurality of discharge round holes 1510 are formed in the conveying cavity of the conveying cylinder shell 1511 downwards, a discharge baffle 1506 is mounted below the discharge round holes 1510, a first discharge hole 1503 is formed in the bottom of the discharge baffle 1506 downwards, and a third storage box 1502 is mounted at the bottom of the first discharge hole 1503;
the crushed mine solid waste is lifted up through the auger roller 1509, in the lifting process, the mine solid waste with a smaller structure is leaked out through the discharge circular hole 1510 to achieve the purpose of screening, the leaked mine solid waste falls downwards through the discharge baffle 1506 and falls into the third storage tank 1502 through the first discharge hole 1503, the mine solid waste lifted up through the auger roller 1509 falls into the second storage tank 16 through the second discharge hole 1505, the mine solid waste is transferred onto the diamond-shaped steel wire mesh 18 through the second storage tank 16, and the screening and crushing are repeated to achieve the purpose of regenerating sandstone aggregates.
The mine solid waste is thrown on the diamond-shaped steel wire mesh 18, the mine solid waste is conveyed through the diamond-shaped steel wire mesh 18, the surface of the diamond-shaped steel wire mesh 18 is provided with meshes, the mine solid waste is screened through the meshes of the diamond-shaped steel wire mesh 18, the mine solid waste with a smaller structure is screened and removed and falls into the storage box 4 for collection, the roller 13 is arranged at the top of the diamond-shaped steel wire mesh 18 and stirs the mine solid waste at the top of the diamond-shaped steel wire mesh 18, so that the mine solid waste laid on the diamond-shaped steel wire mesh 18 is arranged flatly, small fragments mixed in the mine solid waste with a larger structure are dispersed and fall into the storage box 4 below, the storage box 4 is arranged near the left end of the rack 3, so that the mine solid thrown on the diamond-shaped steel wire mesh 18 is collected, and the falling is avoided.
According to the invention, the mine solid waste is thrown onto the rhombic steel wire mesh 18, primary screening is carried out in the process of conveying the mine solid waste through the rhombic steel wire mesh 18, the mesh size of the rhombic steel wire mesh 18 is set to be the diameter of fragments made of sandstone aggregate, the screened mine solid waste can be directly used for making sandstone aggregate, the crushing device 14 is arranged on the right side of the rack 3, the mine solid waste with a larger structure is crushed through the crushing device 14, the crushed mine solid waste is screened through the material lifting and filtering device 15 and is stored separately, the mine solid waste used for making sandstone aggregate can be screened out through primary screening and secondary screening, and the efficiency of producing regenerated sandstone aggregate from the mine solid waste is improved;
the process for producing the recycled sandstone aggregate by using the mine solid waste specifically comprises the following steps:
s1, throwing waste: throwing the mine solid waste above the rhombic steel wire mesh 18;
s2, screening waste: screening the mine solid waste thrown onto the diamond-shaped steel wire mesh 18 in the step S1, and screening out the mine solid waste with a smaller structure through meshes of the diamond-shaped steel wire mesh 18, so that the mine solid waste with a larger structure is conveyed into the crushing device 14 to be crushed;
s3, crushing waste: crushing the mine solid waste conveyed into the crushing device 14 in step S2 to crush the mine solid waste with a large structure into pieces;
s4, secondary screening of waste: performing secondary screening on the mine solid waste crushed into the block shape in the step S3, putting the mine solid waste into the material lifting and filtering device 15, filtering the mine solid waste by the material lifting and filtering device 15, separately storing the mine solid waste with a larger structure and the mine solid waste with a smaller structure, wherein the mine solid waste with the smaller structure is used for manufacturing reclaimed gravel aggregate,
s5, repeated crushing: and (5) repeating the steps S1-S4 on the mine solid waste with the larger structure in the step S4 to finish the crushing treatment of the mine waste.
The crushing device 14 comprises a base 1411, a fixed engaging plate 1409 standing on the top end of the base 1411 is arranged at the top end of the base 1411, the fixed engaging plate 1409 is of a square plate structure, hinged supports 1412 are symmetrically arranged at the front side and the rear side of the bottom of the fixed engaging plate 1409, movable engaging plates 1406 are hinged on the hinged supports 1412 at the two sides, the movable engaging plate 1406 of the movable engaging plate 1406 is of a square plate structure, a first connecting rod 1403 is hinged on the top of the movable engaging plate 1406, the top end of the first connecting rod 1403 is hinged on a crank 1401, the crank 1401 is arranged on an output shaft of a second motor 1402, the second motor 1402 is fixedly arranged on the ground,
the side wall of the movable engaging plate 1406 facing the fixed engaging plate 1409 is provided with a plurality of first protruded biting teeth 1407, the side wall of the fixed engaging plate 1409 facing the movable engaging plate 1406 is provided with a plurality of second protruded biting teeth 1408, the first biting teeth 1407 and the second biting teeth 1408 are arranged alternately, the first biting teeth 1407 and the second biting teeth 1408 are both provided with cylindrical structures, the top ends of the first biting teeth 1407 and the second biting teeth 1408 are both provided with conical tips of conical structures, the side wall of the movable engaging plate 1409 is provided with a plurality of protruded grinding balls 1413, the grinding balls 1413 are distributed at equal intervals on the right side wall of the movable engaging plate 1406, and the grinding balls 1413 are positioned below the first biting teeth 1407 on the right side wall of the movable engaging plate 1406.
The present invention is configured such that the fixed engaging plate 1409 is engaged with the movable engaging plate 1406, the first engaging teeth 1407 on the side wall of the movable engaging plate 1406 are alternately arranged with the second engaging teeth 1408 on the side wall of the fixed engaging plate 1409, the mine solid waste thrown between the fixed engaging plate 1409 and the movable engaging plate 1406 is crushed by pressing, the tips of the first engaging teeth 1407 and the second engaging teeth 1408 are both provided with tapered tips having a conical structure and are alternately arranged, the mine solid waste thrown between the fixed engaging plate 1409 and the movable engaging plate 1408 is crushed, and the mine solid waste crushed above is crushed again by the crushing balls 1413 in the process of engaging with the fixed engaging plate 1409 by the movable engaging plate 1406 under the first engaging teeth 1407 and the right side wall of the movable engaging plate 1408.
The grinding ball 1413 comprises a spherical cover 1415 fixed on the right side wall of the movable engaging plate 1406, the spherical cover 1415 is a spherical shell with a hollow cavity inside, a cam 1419 is installed in the hollow cavity of the spherical cover 1415, the cam 1419 is fixed on the top end of a support rod 1420, the other end of the support rod 1420 extends out to the left side of the movable engaging plate 1406 through the movable engaging plate 1406 in a sliding fit manner, and a top block 1421 is installed on the top end of the support rod 1420 extending out to the left side of the movable engaging plate 1406;
the outer wall parcel of spherical cover 1415 has spherical cover 1418 of hemispherical structure, and screw locking connection is passed through to spherical cover 1418's bottom, and the outer wall of spherical cover 1415 is equidistant to be seted up and to be linked together in the round hole of hollow chamber, and the ejector pin 1416 of cylindrical structure is installed through sliding fit mode in each round hole of spherical cover 1415, and the ejector pin 1416 bottom of cylindrical structure stretches into in the hollow cavity of spherical cover 1415, stretches into ejector pin 1416 top and cam 1419 sliding contact in the hollow cavity of spherical cover 1415.
The middle of the left side wall of the movable engagement plate 1406 is provided with two convex sliding seats 1414, the two sliding seats 1414 are arranged on the front side and the rear side of the left side wall of the movable engagement plate 1406, the sliding seats 1414 are in an upright L-shaped structure on the left side of the movable engagement plate 1406, a sliding block 1405 is installed on the left side wall of the movable engagement plate 1406, the sliding block 1405 is clamped in a sliding groove of the sliding seats 1414 in a sliding fit mode, the top end of the sliding block 1405 is hinged with a second connecting rod 1404, and the top end of the second connecting rod 1404 is hinged to the middle of the first connecting rod 1403.
In the invention, a movable push rod 1416 is arranged in a grinding ball 1413, the top end of the push rod 1416 is in sliding contact with a cam 1419, and in the process of pushing a movable engagement plate 1406 and a fixed engagement plate 1409 to be clamped through a first connecting rod 1403, the first connecting rod 1403 pushes a slide block 1405 to move downwards through a second connecting rod 1404 to push the cam 1419 in the grinding ball 1413 to rotate, and the cam 1419 rotates to push the push rod 1416 to eject out of a spherical cover 1415 in turn, so that the mine solid waste thrown between the fixed engagement plate 1409 and the movable engagement plate 1406 is ground for the second time.
The top end of the ejector rod 1416 is of a semi-spherical structure, so that the ejector rod can be conveniently contacted with the spherical sleeve 1418, and the surface of the spherical sleeve 1418 is prevented from being scratched.
Wherein, the top of kicking block 1421 is seted up there is the inclined plane, and the inclined plane of kicking block 1421 is towards in the slider 1405 direction, and the inclined plane is seted up at the bottom of slider 1405, and the inclined plane of slider 1405 bottom is towards in the kicking block 1421 direction. The direction of being convenient for, the inclined plane through between top block 1421 and the slider 1405 cooperates for the slider 1405 promotes the in-process that top block 1421 moved, improves the stationarity that top block 1421 and slider 1405 removed.
The working principle is as follows: when the urban landscape brightening engineering integrated construction provided by the invention is used, firstly, mine solid waste is thrown onto the diamond-shaped steel wire mesh 18, the mine solid waste is conveyed through the diamond-shaped steel wire mesh 18, the mine solid waste is screened through the meshes of the diamond-shaped steel wire mesh 18, the mine solid waste with a smaller structure is screened and removed and falls into the storage box 4 for collection, the mine solid waste laid on the diamond-shaped steel wire mesh 18 is arranged to be flat through the roller 13 arranged at the top of the diamond-shaped steel wire mesh 18 and poked at the top of the diamond-shaped steel wire mesh 18 by the roller 13, so that small poked fragments mixed in the mine solid waste with a larger structure can be scattered and fall into the storage box 4 below, and then the mine solid waste is primarily screened in the conveying process through the diamond-shaped steel wire mesh 18, the mine solid waste with a large structure is thrown into the crushing device 14 to be crushed, the mine solid waste with the large structure is crushed by the crushing device 14, the crushed mine solid waste is screened by the material lifting and filtering device 15 and is separately stored, and the regenerated gravel aggregate is screened out through primary screening and secondary screening.
The working principle of the crushing device 14 is as follows:
the mine solid waste thrown between the fixed engaging plate 1409 and the movable engaging plate 1408 is crushed by the fixed engaging plate 1409 and the movable engaging plate 1406 being engaged with each other, the mine solid waste thrown between the fixed engaging plate 1409 and the movable engaging plate 1406 is crushed by the first biting teeth 1407 and the second biting teeth 1408 being provided with tapered tips of a conical structure at the tip ends thereof and arranged alternately, the mine solid waste thrown between the fixed engaging plate 1409 and the movable engaging plate 1408 is crushed, and the mine solid waste crushed above is crushed by the crushing balls 1413 provided below the first biting teeth 1407 on the right side wall of the movable engaging plate 1408, so that the movable engaging plate 1406 is secondarily crushed by the crushing balls 1413 during the engagement with the fixed engaging plate 1409.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an utilize mine solid waste to produce technology of regeneration grit aggregate, this utilize mine solid waste to produce technology of regeneration grit aggregate adopts a mine solid waste to produce regeneration grit aggregate device cooperation to accomplish, and this mine solid waste produces regeneration grit aggregate device includes the frame to and install the diamond wire net in the frame, its characterized in that: the front side and the rear side of the top end of the rack are symmetrically provided with a plurality of chain wheels, a plurality of chain wheels on each side of the rack are provided with chain transmission, two ends of the rhombic steel wire mesh are respectively fixed on the chains on two sides of the rack, the middle part of the rack is provided with a storage box, the storage box is positioned at the bottom of the rhombic steel wire mesh and close to the left end of the rack, the right side of the rack is provided with a crushing device, the crushing device is communicated with a lifting and filtering device, and the lifting and filtering device filters regenerated gravel aggregate;
the front side and the rear side of the top end of the rack are symmetrically provided with a plurality of supports which are vertically fixed at the top end of the rack, the middle of each support is provided with a sliding groove, the top end of the rhombic steel wire mesh is provided with a plurality of rollers which are distributed at equal intervals, the outer wall of each roller is provided with a plurality of shifting rods which are of cylindrical structures, each shifting rod is vertically fixed at the outer wall of each roller, two adjacent shifting rods are fixed at the outer wall of each roller at equal intervals, sliding blocks are arranged at two ends of each roller, the sliding blocks at two ends of each roller are embedded into the sliding grooves in a sliding fit mode, the upper ends of the sliding blocks embedded into the sliding grooves are provided with pressure springs, the middle of the rack is fixedly provided with a motor, and the motor;
the material lifting and filtering device comprises a first support, a third storage box, a first discharge port, a second support, a second discharge port, a discharge baffle, a hopper, a second motor, a auger roller, a discharge round hole and a conveying cylinder shell, wherein the conveying cylinder shell is of a cylindrical structure, the bottom end of the conveying cylinder shell is provided with a first support, the conveying cylinder shell is internally provided with a conveying cavity of the cylindrical structure, the upper end of the conveying cylinder shell is provided with the hopper, the hopper is communicated with the conveying cavity inside, the auger roller is arranged in the conveying cavity of the conveying cylinder shell, the top end of the conveying cylinder shell is fixedly provided with the second motor, an output shaft of the second motor penetrates through the conveying cylinder shell through a rolling bearing and extends into the conveying cavity, the top end of an output shaft of the second motor extending into the conveying cavity is fixedly connected with the auger roller through a coupler, and the top of the conveying cylinder shell is provided with the second discharge port downwards, a second storage box is mounted at the bottom end of the second discharge port, a plurality of discharge circular holes are formed downwards in the conveying cavity of the conveying cylinder shell, a discharge baffle is mounted below the discharge circular holes, a first discharge port is formed downwards in the bottom of the discharge baffle, and a third storage box is mounted at the bottom of the first discharge port;
the process for producing the recycled sandstone aggregate by using the mine solid waste specifically comprises the following steps:
s1, throwing waste: throwing the mine solid waste above the rhombic steel wire mesh;
s2, screening waste: screening the mine solid waste thrown onto the rhombic steel wire mesh in the step S1, and screening out the mine solid waste with a smaller structure through meshes of the rhombic steel wire mesh so as to convey the mine solid waste with a larger structure into a crushing device for crushing;
s3, crushing waste: crushing the mine solid waste conveyed into the crushing device in the step S2 to crush the mine solid waste with a larger structure into pieces;
s4, secondary screening of waste: performing secondary screening on the mine solid waste crushed into the block shape in the step S3, putting the mine solid waste into a material lifting and filtering device, filtering by the material lifting and filtering device, separately storing the mine solid waste with larger structure and the mine solid waste with smaller structure, wherein the mine solid waste with smaller structure is used for preparing reclaimed sandstone aggregate,
s5, repeated crushing: and (5) repeating the steps S1-S4 on the mine solid waste with the larger structure in the step S4 to finish the crushing treatment of the mine waste.
2. The process for producing reclaimed sand aggregate by using mine solid waste as claimed in claim 1, wherein the process comprises the following steps: the crushing device comprises a base, wherein a fixed occluding plate which is upright at the top end of the base is installed at the top end of the base, the fixed occluding plate is of a square plate structure, hinged supports are symmetrically arranged on the front side and the rear side of the bottom of the fixed occluding plate, movable occluding plates are hinged to the hinged supports on the two sides, the movable occluding plate of the movable occluding plate is of a square plate structure, a first connecting rod is hinged to the top of the movable occluding plate, the top end of the first connecting rod is hinged to a crank, the crank is installed on an output shaft of a second motor, and the second motor is fixedly installed on the ground;
move towards in fixed interlock board direction activity interlock board lateral wall is equipped with a plurality of bellied first bits of broken glass teeth, moves towards in activity interlock board direction fixed interlock board lateral wall is equipped with a plurality of bellied second bits of broken glass teeth, first bits of broken glass teeth and second bits of broken glass teeth staggered arrangement, first bits of broken glass teeth and the second bits of broken glass teeth are all established to the cylinder structure, just first bits of broken glass teeth and the second top of breaking glass teeth of broken glass teeth all is equipped with the awl point of circular cone structure, the lateral wall of activity interlock board is equipped with a plurality of bellied grinding balls, grinding balls are at the equidistant distribution of the right side wall of activity interlock board, grinding balls are located the below of first bits of broken glass teeth at the right side wall of activity interlock board.
3. The process for producing the reclaimed sand aggregate by using the mine solid waste as claimed in claim 2, wherein the process comprises the following steps: the grinding ball comprises a spherical cover fixed on the right side wall of the movable occluding plate, the spherical cover is a spherical shell with a hollow cavity arranged inside, a cam is arranged in the hollow cavity of the spherical cover and fixed at the top end of a supporting rod, the other end of the supporting rod penetrates through the movable occluding plate to extend out to the left side of the movable occluding plate in a sliding fit mode, and a top block is arranged at the top end of the supporting rod extending out of the left side of the movable occluding plate;
the outer wall parcel of spherical cover has hemispherical structure's spherical cover, the outer wall of spherical cover is equidistant to be seted up and to be communicated in the round hole in hollow cavity, install the ejector pin of cylinder structure through the sliding fit mode in each round hole of spherical cover, the cylinder structure the ejector pin bottom stretches into in the hollow cavity of spherical cover, stretches into in the hollow cavity of spherical cover ejector pin top and cam sliding contact.
The left side wall middle part of activity interlock board is equipped with bellied slide, the slide is equipped with two altogether, two the slide is located the front and back both sides of activity interlock board left side wall, the slider is installed to the left side wall of activity interlock board, the slider passes through sliding fit mode joint on the slide the top of slider articulates there is the second connecting rod, the top of second connecting rod articulates in the middle part of first connecting rod.
4. The process for producing reclaimed sand aggregate by using mine solid waste as claimed in claim 3, wherein the process comprises the following steps: the top end of the ejector rod is of a semi-sphere structure.
5. The process for producing reclaimed sand aggregate by using mine solid waste as claimed in claim 3, wherein the process comprises the following steps: the top end of the ejector block is provided with an inclined surface, and the inclined surface of the ejector block faces the direction of the sliding block.
6. The process for producing reclaimed sand aggregate by using mine solid waste as claimed in claim 3, wherein the process comprises the following steps: the bottom of the sliding block is provided with an inclined plane, and the inclined plane at the bottom of the sliding block faces to the direction of the top block.
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| CN202010195238.XA CN111359701B (en) | 2020-03-19 | 2020-03-19 | Process for producing recycled sandstone aggregate by using mine solid waste |
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| CN114471940A (en) * | 2022-04-18 | 2022-05-13 | 徐州速月西机械制造有限公司 | Screening equipment is used in mine |
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| CN111359701B (en) | 2021-11-30 |
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