CN113231161A - Method for producing concrete aggregate by using coal mine tailings - Google Patents
Method for producing concrete aggregate by using coal mine tailings Download PDFInfo
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- CN113231161A CN113231161A CN202110570170.3A CN202110570170A CN113231161A CN 113231161 A CN113231161 A CN 113231161A CN 202110570170 A CN202110570170 A CN 202110570170A CN 113231161 A CN113231161 A CN 113231161A
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
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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
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/22—Feed or discharge means
- B02C18/2225—Feed means
- B02C18/2258—Feed means of screw type
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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
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
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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
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C2018/162—Shape or inner surface of shredder-housings
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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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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to a method for producing concrete aggregate by using coal mine tailings, which mainly comprises the following steps of material preparation, crushing grinding, washing operation and other multiple processes, wherein the used coal mine tailings crushing grinding equipment comprises a bottom plate, a crushing device, a grinding device and a feeding device; b, when the existing coal mine tailing grinding equipment is used for grinding coal mine tailings, the coal mine tailings cannot be uniformly ground, the ground coal mine tailings easily block a screen when being screened, and the grinding efficiency and quality of the coal mine tailings are reduced.
Description
Technical Field
The invention relates to the technical field of coal mine tailing recycling, in particular to a method for producing concrete aggregate by utilizing coal mine tailings.
Background
With the use of coal, coal mine tailings generated every year increase year by year, not only a large amount of land is occupied, but also serious pollution is caused to soil, water and atmospheric environment of a stacking area, the coal mine tailings are necessary to be recycled, the utilization rate of the coal mine tailings is improved, the ecological environment is improved, the economic cycle development is promoted, the coal mine tailings are crushed and ground into fine tailings sand, the fine tailings sand can be used as concrete aggregate after being washed by a hydrocyclone, and the concrete aggregate can be used as a raw material for preparing concrete.
However, the following problems exist in the crushing and grinding of the existing coal mine tailings, and a when the traditional coal mine tailings are crushed, due to the fact that the coal mine tailings are hard in texture, the crushing of the existing crushing equipment on the coal mine tailings is incomplete, the utilization efficiency of the coal mine tailings is reduced, the coal mine tailings easily block the crushing equipment, and the service life of the crushing equipment is influenced; b, when the existing coal mine tailing grinding equipment is used for grinding coal mine tailings, the coal mine tailings cannot be uniformly ground, the ground coal mine tailings easily block a screen when being screened, and the grinding efficiency and quality of the coal mine tailings are reduced.
Disclosure of Invention
In order to solve the problems, the invention provides a method for producing concrete aggregate by using coal mine tailings, which can solve the problems of the coal mine tailings during crushing and grinding.
In order to achieve the purpose, the method for producing the concrete aggregate by using the coal mine tailings mainly comprises the following steps:
step one, preparing materials, namely preparing the existing coal mine tailings for later use;
step two, crushing and grinding, namely conveying the coal mine tailings prepared in the step one into coal mine tailing crushing and grinding equipment to perform crushing and grinding operation on the coal mine tailings to obtain tailing fine sand;
and step three, water washing operation, namely conveying the tailing fine sand obtained in the step two into the existing hydrocyclone for water washing operation, and washing the tailing fine sand to generate concrete aggregate.
The coal mine tailing crushing and grinding equipment used in the steps comprises a base plate, a crushing device, a grinding device and a feeding device, wherein the crushing device is installed in the middle of the upper right end of the base plate, the grinding device is installed at the lower end of the crushing device, and the feeding device is installed at the left end of the base plate.
The crushing device comprises a supporting plate, a crushing box, an extrusion box, a crushing motor, a power round rod, a power round roller, a crushing cutter, a counterattack plate, a crushing sharp rod and a power gear, wherein the supporting plate is symmetrically arranged at the right part of the bottom plate, the crushing box and the extrusion box are arranged at the upper end of the supporting plate, the lower side of the outer wall at the right end of the crushing box is connected with the outer wall at the left end of the extrusion box, an extrusion mechanism is arranged in the extrusion box, a crushing groove is formed in the crushing box, the counterattack plate is arranged on the inner wall at the right end of the crushing groove, the crushing sharp rod is uniformly arranged at the relative position on the outer wall of the counterattack plate and the inner wall at the left end of the crushing groove, the crushing motor is arranged on the outer wall at the rear end of the crushing box, the output end of the crushing motor penetrates through the outer wall at the rear end of the crushing box to be provided with the, broken sword is evenly installed along its circumference direction on the power circle roller outer wall, and uses mutually supporting between broken sword and the counterattack board, can carry out striking crushing treatment to the colliery tailing, has improved the crushing efficiency of colliery tailing.
The extrusion mechanism comprises a driven gear, a driven round rod, an internal tooth belt, a driven circular plate, a T-shaped round rod, a T-shaped plate, an extrusion round rod, a U-shaped rod, a connection round rod, a U-shaped rod, a propulsion round rod, a positioning block, a positioning round rod and an extrusion bent plate, wherein an extrusion groove is formed in the extrusion box, the driven round rod is installed on the inner wall of the front end of the extrusion box in a rotation fit mode, the driven gear is installed at the front end of the driven round rod, the driven gear is connected with the power gear through the internal tooth belt, the driven circular plate is installed at the rear end of the driven round rod, the T-shaped round rod is eccentrically installed on the outer wall of the rear end of the driven circular plate, the T-shaped plate is installed on the T-shaped round rod in a rotation fit mode, the extrusion round rod is symmetrically installed at the left end and the right end of the T-shaped plate in a rotation fit mode, the U-shaped rod is installed on the extrusion round rod in, keep away from T type round bar one end on connecting the round bar and install U form pole, install the location round bar in the left side between the inner wall of both ends around the extrusion groove, install the extrusion bent plate through normal running fit's mode on the location round bar, all install the locating piece on the one end outer wall that is close to T type round bar on the extrusion bent plate and on the extrusion groove right-hand member inner wall, install the propulsion round bar through normal running fit's mode on the locating piece, and the propulsion round bar is installed on the inner wall at both ends around U form pole through normal running fit's mode, can carry out stable extrusion crushing operation to the colliery tailing, the crushing quality of colliery tailing has been improved.
As a preferred technical scheme of the invention, the grinding device comprises a grinding circular tube, a connecting plate, a grinding motor, a grinding circular roller, grinding ring teeth, a sliding block, a sliding circular rod, a return spring rod, a lower pressing plate, a grinding circular plate, a screening circular plate and a collecting box, wherein the grinding circular tube is arranged on the outer wall of the lower end of the crushing box and at the position of a crushing groove, the screening circular plate is arranged between the inner walls of the lower end of the grinding circular tube, the collecting box is arranged on a bottom plate and right below the grinding circular tube, a lifting groove is arranged in the middle of the inner wall of the grinding circular tube along the circumferential direction of the grinding circular tube, the connecting plate is arranged on the upper side between the inner walls of the left end and the right end of the grinding circular tube, a groove is formed in the outer wall of the lower end of the connecting plate and at the position of the circle center of the grinding circular tube, the grinding motor is arranged in the groove, the grinding circular roller is provided with the grinding ring teeth uniformly arranged on the outer wall of the grinding circular roller and at the lower side of the lifting groove from the upper end to the lower end, the grinding ring teeth and the inner wall of the grinding round pipe are mutually matched for use, a straight groove is arranged on the grinding round roller, through grooves are symmetrically arranged on the inner walls of the left end and the right end of the straight groove on the grinding round roller, a lower pressing plate is arranged in the straight groove in a sliding fit mode, the lower end of the lower pressing plate is provided with a grinding round plate, sliding round rods are symmetrically arranged on the outer walls of the left end and the right end of the lower pressing plate, and one end of the sliding round rod far away from the circle center of the grinding round pipe is arranged in the lifting groove in a sliding fit manner, the middle part of the sliding round rod is provided with a sliding block, and the sliding block is installed in logical inslot through sliding fit's mode, and the central point on the outer wall of both ends puts the symmetry and installs return spring lever about the sliding block, and the one end of keeping away from the slip round bar on the return spring lever is connected on leading to the inslot wall, can carry out comprehensive grinding operation to the colliery tailing, has improved the grinding efficiency and the quality of colliery tailing.
As a preferred technical scheme of the invention, the upper end of the connecting plate is in a sharp-horn shape, the lifting groove in the middle of the inner wall of the grinding circular tube is a wavy annular groove, and the coal mine tailings are placed to be remained on the connecting plate.
As a preferred technical scheme of the invention, the outer wall of the lower end of the grinding circular plate is uniformly provided with a triangular circular ring gradually towards the circumferential direction from the position of the circle center, and the triangular circular ring and the screening circular plate are matched with each other for use, so that the coal mine tailings can be subjected to comprehensive beating and grinding operation.
As a preferred technical scheme of the invention, the feeding device comprises a triangular cushion block, a feeding motor, a feeding circular tube, an inclined support plate, a feeding circular rod, a conveying plate, a feeding tube and a discharging tube, two inclined support plates are arranged on the bottom plate and positioned on the left side of the support plate, the inclined support plates are connected through a feeding circular tube, a triangular cushion block is arranged at the left end of the bottom plate, a feeding motor is arranged on the triangular cushion block, a feeding circular rod is arranged at the output end of the feeding motor, the upper end of the feeding round rod is arranged on the inner wall of the upper end of the feeding round rod in a rotating fit mode, the outer wall of the feeding round rod is provided with a conveying plate along the circumferential direction of the feeding round rod, the lower part of the outer wall of one side of the feeding round rod, which is far away from the bottom plate, is provided with a feeding pipe, the upper part of the outer wall of one side of the feeding round rod, which is close to the crushing box, is provided with a discharging pipe, and the lower end of the discharge pipe extends into the space between the inner walls of the crushing boxes, so that convenience is provided for conveying the coal mine tailings.
As a preferable technical scheme of the invention, the whole conveying plate is a spiral plate, and the conveying plate and the inner wall of the feeding circular pipe are matched with each other for use, so that the conveying plate can stably feed the coal mine tailings.
As a preferred technical scheme, the outer wall of one end of the extrusion bent plate, which is far away from the T-shaped round rod, is uniformly provided with the extrusion sharp rods, the inner wall of the left end of the crushing groove and the position opposite to the extrusion bent plate are uniformly provided with the extrusion sharp rods, and the extrusion sharp rods are matched with each other for use, so that the extrusion bent plate can better perform extrusion crushing operation on the coal mine tailings.
As a preferable technical scheme, the whole crushing cutter is a Y-shaped plate, and arrow-shaped round rods are uniformly arranged on the upper outer surface of the crushing cutter, so that the crushing cutter can better perform impact crushing operation on coal mine tailings.
The invention has the beneficial effects that:
1. the invention can solve the following problems existing in the crushing and grinding of the existing coal mine tailings, and a the crushing of the existing crushing equipment to the coal mine tailings is incomplete because the coal mine tailings are hard in texture when the traditional coal mine tailings are crushed, so that the utilization efficiency of the coal mine tailings is reduced, and the coal mine tailings are easy to clamp the crushing equipment, so that the service life of the crushing equipment is influenced; b, when the existing coal mine tailing grinding equipment is used for grinding coal mine tailings, the coal mine tailings cannot be uniformly ground, the ground coal mine tailings easily block a screen when being screened, and the grinding efficiency and quality of the coal mine tailings are reduced.
2. The crushing device and the extrusion mechanism provided by the invention can be used for carrying out high-speed impact crushing treatment on the coal mine tailings through the crushing cutter and the impact plate, the phenomenon that the coal mine tailings are clamped on the crushing cutter can not occur, the coal mine tailings can be comprehensively crushed through the impact of the coal mine tailings, and the coal mine tailings can be extruded and crushed completely through the extrusion bent plate, so that the crushing efficiency and the crushing quality of the coal mine tailings are improved.
3. The grinding device designed by the invention can grind the coal mine tailings by the mutual matching operation between the grinding ring teeth and the inner wall of the grinding circular pipe, and the grinding circular plate and the screening circular plate can knock and grind the coal mine tailings by the vertical reciprocating motion of the grinding circular plate, so that the phenomenon of blocking of the screening circular plate is avoided, and the grinding quality and efficiency of the coal mine tailings are improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the operation of the present invention;
FIG. 2 is a schematic structural diagram of the coal mine tailing crushing and grinding equipment;
FIG. 3 is a rear view of FIG. 2 of the present invention;
FIG. 4 is a cross-sectional view (from the front to the back) of FIG. 2 of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4 in accordance with the present invention;
FIG. 7 is a schematic view of the internal structure of the crushing apparatus of the present invention;
FIG. 8 is a cross-sectional view (from the front to the back) of FIG. 7 of the present invention;
FIG. 9 is a schematic view showing the internal structure of the polishing apparatus of the present invention;
FIG. 10 is a cross-sectional view (from front to back) of FIG. 9 of the present invention;
FIG. 11 is a schematic view showing the internal structure of the grinding cylinder according to the present invention;
fig. 12 is a schematic diagram of the operation of the present invention.
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.
As shown in fig. 1 to 12, a method for producing concrete aggregate by using coal mine tailings mainly comprises the following steps:
step one, preparing materials, namely preparing the existing coal mine tailings for later use;
step two, crushing and grinding, namely conveying the coal mine tailings prepared in the step one into coal mine tailing crushing and grinding equipment to perform crushing and grinding operation on the coal mine tailings to obtain tailing fine sand;
and step three, water washing operation, namely conveying the tailing fine sand obtained in the step two into the existing hydrocyclone for water washing operation, and washing the tailing fine sand to generate concrete aggregate.
The coal mine tailing crushing and grinding equipment used in the steps comprises a base plate 1, a crushing device 2, a grinding device 3 and a feeding device 4, wherein the crushing device 2 is installed in the middle of the upper end and the lower end of the base plate 1, the grinding device 3 is installed at the lower end of the crushing device 2, and the feeding device 4 is installed at the left end of the base plate 1.
The feeding device 4 comprises a triangular cushion block 40, a feeding motor 41, a feeding circular tube 42, an inclined support plate 43, a feeding circular rod 44, a conveying plate 45, a feeding pipe 46 and a discharging pipe 47, two inclined support plates 43 are arranged on the bottom plate 1 at the left side of the support plate 2a, the inclined support plates 43 are connected through a feeding circular tube 42, a triangular cushion block 40 is arranged at the left end of the bottom plate 1, a feeding motor 41 is arranged on the triangular cushion block 40, a feeding round rod 44 is arranged at the output end of the feeding motor 41, and the upper end of the feeding round rod 44 is arranged on the inner wall of the upper end of the feeding round rod 42 in a rotating fit mode, the conveying plate 45 is arranged on the outer wall of the feeding round rod 44 along the circumferential direction of the feeding round rod, the lower part of the outer wall of one side, far away from the bottom plate 1, of the feeding round rod 42 is provided with a feeding pipe 46, the upper part of the outer wall of one side, close to the crushing box 2b, of the feeding round rod 42 is provided with a discharging pipe 47, and the lower end of the discharging pipe 47 extends into the space between the inner walls of the crushing box 2 b.
The conveying plate 45 is a spiral plate as a whole, and the conveying plate 45 and the inner wall of the circular feeding pipe 42 are matched with each other.
During specific work, in the manual work uses current feeding equipment to carry the coal mine tailing to inlet pipe 46, the coal mine tailing passes through inlet pipe 46 landing to material conveying round bar 44 and delivery board 45 on, material feeding motor 41 drives material conveying round bar 44 and rotates, material conveying round bar 44 drives delivery board 45 and rotates, through the special spiral design of delivery board 45, make in delivery board 45 carries discharge pipe 47 with the coal mine tailing, the coal mine tailing falls into broken case 2b through discharge pipe 47.
The crushing device 2 comprises a support plate 2a, a crushing box 2b, an extrusion box 2c, a crushing motor 2d, a power round rod 2e, a power round roller 2f, a crushing cutter 2g, an impact plate 2h, a crushing sharp rod 2i and a power gear 2j, the support plate 2a is symmetrically arranged at the right part of the bottom plate 1, the crushing box 2b and the extrusion box 2c are arranged at the upper end of the support plate 2a, the lower side of the outer wall of the right end of the crushing box 2b is mutually connected with the outer wall of the left end of the extrusion box 2c, an extrusion mechanism 22 is arranged in the extrusion box 2c, a crushing groove is arranged in the crushing box 2b, the impact plate 2h is arranged on the inner wall of the right end of the crushing groove, the crushing sharp rod 2i is uniformly arranged at the opposite position on the outer wall of the impact plate 2h and the inner wall of the left end of the crushing groove, the crushing motor 2d is arranged on the outer wall of the rear end of the crushing box 2b, the output end of the crushing motor 2d passes through the outer wall of the crushing box 2b and is provided with the power round rod 2e, the front end of the power round rod 2e penetrates through the outer wall of the front end of the crushing box 2b to be provided with a power gear 2j, a power round roller 2f is arranged on the power round rod 2e and located between the inner walls of the front end and the rear end of the crushing box 2b, crushing knives 2g are evenly arranged on the outer wall of the power round roller 2f along the circumferential direction of the outer wall, and the crushing knives 2g and the impact plate 2h are matched with each other for use.
The whole crushing knife 2g is a Y-shaped plate, and arrow-shaped round rods 25 are uniformly arranged on the upper outer surface of the crushing knife 2 g.
The extrusion mechanism 22 comprises a driven gear 22a, a driven round rod 22b, an internal tooth belt 22c, a driven round plate 22d, a T-shaped round rod 22e, a T-shaped plate 22f, an extrusion round rod 22g, a U-shaped rod 22h, a connection round rod 22i, a U-shaped rod 22j, a pushing round rod 22k, a positioning block 22l, a positioning round rod 22m and an extrusion bent plate 22n, wherein an extrusion groove is formed in the extrusion box 2c, the driven round rod 22b is installed on the inner wall of the front end of the extrusion box 2c in a rotation fit mode, the driven gear 22a is installed at the front end of the driven round rod 22b, the driven gear 22a is connected with the power gear 2j through the internal tooth belt 22c, the driven round plate 22d is installed at the rear end of the driven round rod 22b, the T-shaped round rod 22e is eccentrically installed on the outer wall of the rear end of the driven round plate 22d, the T-shaped plate 22e is installed with the T-shaped plate 22f in a rotation fit mode, the left end and the right end of a T-shaped plate 22f are symmetrically provided with an extrusion round rod 22g in a rotation fit mode, the extrusion round rod 22g is provided with a U-shaped rod 22h in a rotation fit mode, the central position of the outer wall of one side of the U-shaped rod 22h far away from the T-shaped round rod 22e is provided with a connecting round rod 22i, one end of the connecting round rod 22i far away from the T-shaped round rod 22e is provided with a U-shaped rod 22j, the left side between the inner walls of the front end and the rear end of an extrusion groove is provided with a positioning round rod 22m, the positioning round rod 22m is provided with an extrusion bent plate 22n in a rotation fit mode, the outer wall of one end of the extrusion bent plate 22n close to the T-shaped round rod 22e and the inner wall of the right end of the extrusion groove are both provided with positioning blocks 22l, and the positioning blocks 22l are provided with a propulsion round rod 22k in a rotation fit mode, and the pushing round bar 22k is mounted on the inner walls of the front and rear ends of the U-shaped bar 22j in a rotation fit manner.
The outer wall of one end, far away from the T-shaped round rod 22e, of the extrusion bent plate 22n is evenly provided with an extrusion sharp rod 24, the position, opposite to the extrusion bent plate 22n, of the inner wall of the left end of the crushing groove is evenly provided with the extrusion sharp rod 24, and the extrusion sharp rods 24 are matched with one another for use.
During specific work, after the colliery tailing falls into broken case 2b through discharging pipe 47, broken motor 2d drives power round bar 2e and rotates, power round bar 2e drives power round roller 2f and rotates, power round roller 2f drives broken sword 2g and rotates, make broken sword 2g with the colliery tailing high-speed striking of whereabouts on impact plate 2h, carry out high-speed impact breakage to the colliery tailing through broken sharp pole 2i and broken sword 2g on impact plate 2h, can carry out broken operation to the colliery tailing, the colliery tailing after the striking breakage falls into between extrusion bent plate 22n and the broken inslot wall through broken groove.
When the crushing motor 2d drives the power round bar 2e to rotate, the power round bar 2e drives the power gear 2j to rotate, the power gear 2j and the driven gear 22a are mutually transmitted through the internal toothed belt 22c, so that the power gear 2j drives the driven gear 22a to rotate, the driven gear 22a drives the driven circular plate 22d to rotate, the driven circular plate 22d drives the T-shaped round bar 22e to rotate, the T-shaped round bar 22e drives the T-shaped plate 22f to move due to the eccentric installation of the T-shaped round bar 22e on the driven circular plate 22d, the T-shaped plate 22f drives the extrusion round bar 22g to move, the extrusion round bar 22g drives the U-shaped bar 22h to move, under the abutting action of the positioning block 22l on the inner wall of the right end of the extrusion groove, the U-shaped bar 22h drives the connecting round bar 22i to move, the connecting round bar 22i drives the U-shaped bar 22j to move, and the U-shaped bar 22j drives the propulsion round bar 22k to move, impel the motion of locating piece 22l on round bar 22k drives the extrusion bent plate 22n, make locating piece 22l drive extrusion bent plate 22n use location round bar 22m as the central motion, after the colliery tailing after the striking breakage falls into between extrusion bent plate 22n and the broken inslot wall through the broken groove, extrusion bent plate 22n is through the mutually supporting between the extrusion sharp pole 24, make extrusion sharp pole 24 extrude broken operation to the colliery tailing after the striking breakage, can carry out crushing treatment once more to the colliery tailing, the colliery tailing after the extrusion breakage falls into in grinding pipe 3 a.
The grinding device 3 comprises a grinding circular tube 3a, a connecting plate 3b, a grinding motor 3c, a grinding circular roller 3d, a grinding ring gear 3e, a sliding block 3f, a sliding circular rod 3g, a return spring rod 3h, a lower pressing plate 3i, a grinding circular plate 3j, a screening circular plate 3k and a collecting box 3l, wherein the grinding circular tube 3a is arranged on the outer wall of the lower end of the crushing box 2b and positioned at the position of the crushing groove, the screening circular plate 3k is arranged between the inner walls of the lower end of the grinding circular tube 3a, the collecting box 3l is arranged on the bottom plate 1 and positioned under the grinding circular tube 3a, a lifting groove is arranged in the middle of the inner wall of the grinding circular tube 3a along the circumferential direction, the connecting plate 3b is arranged on the upper side between the inner walls of the left end and the right end of the grinding circular tube 3a, a groove is formed in the outer wall of the lower end of the connecting plate 3b and positioned at the position of the center of the grinding circular tube 3a, the groove is internally provided with the grinding motor 3c, the output end of a grinding motor 3c is provided with a grinding round roller 3d, the outer wall of the grinding round roller 3d is uniformly provided with grinding ring teeth 3e from the upper end to the lower end at the lower side of a lifting groove, the grinding ring teeth 3e and the inner wall of a grinding round pipe 3a are mutually matched for use, the grinding round roller 3d is provided with a straight groove, the inner walls of the left end and the right end of the straight groove on the grinding round roller 3d are symmetrically provided with through grooves, a lower pressing plate 3i is arranged in the straight groove in a sliding fit manner, the lower end of the lower pressing plate 3i is provided with a grinding circular plate 3j, the outer walls of the left end and the right end of the lower pressing plate 3i are symmetrically provided with sliding round rods 3g, one end of the sliding round rod 3g, which is far away from the circle center position of the grinding round pipe 3a, is arranged in the lifting groove in a sliding fit manner, the middle part of the sliding round rod 3g is provided with a sliding block 3f, and the sliding block 3f is arranged in the through the sliding fit manner, the central point department symmetry on the both ends outer wall about the sliding block 3f installs return spring rod 3h, and the one end of keeping away from slip round bar 3g on the return spring rod 3h is connected on leading to the inslot wall.
The upper end of the connecting plate 3b is in a sharp-horn shape, and the lifting groove in the middle of the inner wall of the grinding circular tube 3a is a wavy annular groove.
The outer wall of the lower end of the grinding circular plate 3j is evenly provided with a triangular circular ring 33 from the circle center position to the circumferential direction, and the triangular circular ring 33 and the screening circular plate 3k are matched with each other for use.
When the coal mine tailings after extrusion crushing fall into the grinding circular tube 3a, the grinding motor 3c drives the grinding circular roller 3d to rotate, the grinding circular roller 3d drives the grinding annular teeth 3e to rotate, the grinding annular teeth 3e can grind the coal mine tailings through the mutual matching operation between the grinding annular teeth 3e and the inner wall of the grinding circular tube 3a, the coal mine tailings fall onto the screening circular plate 3k after being ground, the coal mine tailings with smaller particles pass through the screening circular plate 3k and fall into the collection box 3l, the coal mine tailings with larger particles remain on the screening circular plate 3k, meanwhile, the grinding circular roller 3d drives the sliding block 3f to rotate, the sliding block 3f drives the sliding circular rod 3g to rotate, so that the sliding circular rod 3g slides in the lifting groove, and the sliding circular rod 3g can reciprocate up and down while rotating under the abutting action of the lifting groove and the spring rod 3h, the sliding round rod 3g drives the lower pressing plate 3i to perform up-and-down reciprocating motion, the lower pressing plate 3i drives the grinding circular plate 3j to perform up-and-down reciprocating motion, the grinding circular plate 3j drives the triangular circular ring 33 to perform up-and-down reciprocating motion, so that the triangular circular ring 33 can knock coal mine tailings with large residual particles on the screening circular plate 3k to perform grinding operation, the grinding efficiency and quality of the coal mine tailings are improved, and the operation is repeated, and efficient crushing and grinding operation can be performed on the coal mine tailings.
When in use, the utility model is used for cleaning the inner wall of the tank,
s1, manually conveying the coal mine tailings into a feeding pipe 46 by using the existing feeding equipment, enabling the coal mine tailings to slide down onto a feeding round rod 44 and a conveying plate 45 through the feeding pipe 46, enabling a feeding motor 41 to drive the feeding round rod 44 to rotate, enabling the feeding round rod 44 to drive the conveying plate 45 to rotate, enabling the conveying plate 45 to convey the coal mine tailings into a discharging pipe 47 through a special spiral design of the conveying plate 45, and enabling the coal mine tailings to fall into a crushing box 2b through the discharging pipe 47;
s2, the crushing motor 2d drives the power round rod 2e to rotate, the power round rod 2e drives the power round roller 2f to rotate, and the power round roller 2f drives the crushing cutter 2g to rotate, so that the crushing cutter 2g impacts the falling coal mine tailings on the impact plate 2h at a high speed, the coal mine tailings are impacted and crushed at a high speed through the crushing sharp rod 2i on the impact plate 2h and the crushing cutter 2g, crushing operation can be carried out on the coal mine tailings, and the coal mine tailings after impact crushing fall between the extrusion bent plate 22n and the inner wall of the crushing groove through the crushing groove;
s3, when the crushing motor 2d drives the power round bar 2e to rotate, the power round bar 2e drives the power gear 2j to rotate, the power gear 2j and the driven gear 22a are mutually transmitted through the internal tooth belt 22c, so that the power gear 2j drives the driven gear 22a to rotate, the driven gear 22a drives the driven circular plate 22d to rotate, the driven circular plate 22d drives the T-shaped round bar 22e to rotate, the T-shaped round bar 22e drives the T-shaped plate 22f to move, the T-shaped plate 22f drives the extrusion round bar 22g to move, the extrusion round bar 22g drives the U-shaped rod 22h to move, under the abutting action of the positioning block 22l on the inner wall of the right end of the extrusion groove, the U-shaped rod 22h drives the connecting round bar 22i to move, the connecting round bar 22i drives the U-shaped rod 22j to move, and the U-shaped rod 22j drives the propulsion round bar 22k to move, the pushing round rod 22k drives the positioning block 22l on the extrusion bent plate 22n to move, so that the positioning block 22l drives the extrusion bent plate 22n to move by taking the positioning round rod 22m as a center, after the coal mine tailings crushed by impact fall between the extrusion bent plate 22n and the inner wall of the crushing groove through the crushing groove, the extrusion bent plate 22n is matched with the extrusion sharp rod 24, so that the extrusion sharp rod 24 performs extrusion crushing operation on the coal mine tailings crushed by impact, the coal mine tailings can be crushed again, and the coal mine tailings crushed by extrusion fall into the grinding round pipe 3 a;
s4, a grinding motor 3c drives a grinding round roller 3d to rotate, the grinding round roller 3d drives a grinding ring gear 3e to rotate, the grinding ring gear 3e can grind coal mine tailings through the mutual matching operation between the grinding ring gear 3e and the inner wall of a grinding round pipe 3a, the coal mine tailings fall onto a screening round plate 3k after being ground, the coal mine tailings with smaller particles pass through the screening round plate 3k and fall into a collection box 3l, the coal mine tailings with larger particles remain on the screening round plate 3k, meanwhile, the grinding round roller 3d drives a sliding block 3f to rotate, the sliding block 3f drives a sliding round rod 3g to rotate, the sliding round rod 3g slides in a lifting groove, the sliding round rod 3g can reciprocate up and down while rotating under the abutting action of a special design of the lifting groove and a return spring rod 3h, the sliding round rod 3g drives a lower pressing plate 3i to reciprocate up and down, the lower pressing plate 3i drives the grinding circular plate 3j to reciprocate up and down, the grinding circular plate 3j drives the triangular circular ring 33 to reciprocate up and down, the triangular circular ring 33 can knock, smash and grind coal mine tailings with large residual particles on the screening circular plate 3k, the grinding efficiency and quality of the coal mine tailings are improved, and the operation is repeated in this way, and efficient crushing and grinding operation can be performed on the coal mine tailings.
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 (9)
1. A method for producing concrete aggregate by using coal mine tailings is characterized by comprising the following steps: the method mainly comprises the following steps:
step one, preparing materials, namely preparing the existing coal mine tailings for later use;
step two, crushing and grinding, namely conveying the coal mine tailings prepared in the step one into coal mine tailing crushing and grinding equipment to perform crushing and grinding operation on the coal mine tailings to obtain tailing fine sand;
step three, washing operation, namely conveying the tailing fine sand obtained in the step two into the existing hydrocyclone for washing operation, and washing the tailing fine sand to generate concrete aggregate;
the coal mine tailing crushing and grinding equipment used in the steps comprises a base plate (1), a crushing device (2), a grinding device (3) and a feeding device (4), wherein the crushing device (2) is installed in the middle of the upper right end of the base plate (1), the grinding device (3) is installed at the lower end of the crushing device (2), and the feeding device (4) is installed at the left end of the base plate (1);
the crushing device (2) comprises a supporting plate (2a), a crushing box (2b), an extrusion box (2c), a crushing motor (2d), a power round rod (2e), a power round roller (2f), a crushing cutter (2g), an impact plate (2h), a crushing sharp rod (2i) and a power gear (2j), wherein the supporting plate (2a) is symmetrically arranged at the right part of the bottom plate (1), the crushing box (2b) and the extrusion box (2c) are arranged at the upper end of the supporting plate (2a), the lower side of the outer wall of the right end of the crushing box (2b) is connected with the outer wall of the left end of the extrusion box (2c), an extrusion mechanism (22) is arranged in the extrusion box (2c), a crushing groove is formed in the crushing box (2b), an impact plate (2h) is arranged on the inner wall of the right end of the crushing groove, the crushing sharp rod (2i) is uniformly arranged at the relative position on the outer wall of the impact plate (2h) and the inner wall of the left end of the crushing groove, install broken motor (2d) on broken case (2b) rear end outer wall, broken motor (2d) output passes broken case (2b) rear end outer wall and installs power round bar (2e), power round bar (2e) front end passes broken case (2b) front end outer wall and installs power gear (2j), install power circle roller (2f) on power round bar (2e) and between being located the inner wall at broken case (2b) front and back both ends, evenly install broken sword (2g) along its circumference direction on power circle roller (2f) outer wall, and mutually support between broken sword (2g) and counterattack board (2h) and use.
2. The method for producing the concrete aggregate by using the coal mine tailings as claimed in claim 1, wherein the method comprises the following steps: the extrusion mechanism (22) comprises a driven gear (22a), a driven round rod (22b), an internal tooth belt (22c), a driven round plate (22d), a T-shaped round rod (22e), a T-shaped plate (22f), an extrusion round rod (22g), a U-shaped rod (22h), a connecting round rod (22i), a U-shaped rod (22j), a propelling round rod (22k), a positioning block (22l), a positioning round rod (22m) and an extrusion bent plate (22n), an extrusion groove is formed in the extrusion box (2c), the driven round rod (22b) is installed on the inner wall of the front end of the extrusion box (2c) in a rotating matching mode, the driven gear (22a) is installed at the front end of the driven round rod (22b), the driven gear (22a) is connected with the power gear (2j) through the internal tooth belt (22c), the driven round plate (22d) is installed at the rear end of the driven round rod (22b), t type round bar (22e) is eccentrically installed on the outer wall of the rear end of a driven round plate (22d), T-shaped plate (22f) is installed on the T type round bar (22e) in a rotation fit mode, extrusion round bar (22g) is symmetrically installed at the left end and the right end of T-shaped plate (22f) in a rotation fit mode, U-face bar (22h) is installed on extrusion round bar (22g) in a rotation fit mode, connecting round bar (22i) is installed at the position of the center of the outer wall of one side, far away from T type round bar (22e), of U-face bar (22i), U-shaped bar (22j) is installed at the end, far away from T type round bar (22e), of connecting round bar (22i), positioning round bar (22m) is installed at the left side between the inner walls of the front end and the rear end of an extrusion groove, extrusion bent plate (22n) is installed on the outer wall of the positioning round bar (22m) in a rotation fit mode, positioning bent plate (22n) is installed on the end, positioning block (22n) close to one end of the outer wall of T type round bar (22e) and on the inner wall of the right end of the extrusion groove l), install propulsion round bar (22k) through normal running fit's mode on locating piece (22l), and install on the inner wall at U-shaped pole (22j) front and back both ends through normal running fit's mode propulsion round bar (22 k).
3. The method for producing the concrete aggregate by using the coal mine tailings as claimed in claim 1, wherein the method comprises the following steps: the grinding device (3) comprises a grinding circular tube (3a), a connecting plate (3b), a grinding motor (3c), a grinding circular roller (3d), a grinding ring gear (3e), a sliding block (3f), a sliding circular rod (3g), a return spring rod (3h), a lower pressing plate (3i), a grinding circular plate (3j), a screening circular plate (3k) and a collecting box (3l), wherein the grinding circular tube (3a) is arranged on the outer wall of the lower end of the crushing box (2b) and at the position of the crushing groove, the screening circular plate (3k) is arranged between the inner walls of the lower end of the grinding circular tube (3a), the collecting box (3l) is arranged on the bottom plate (1) and under the grinding circular tube (3a), a lifting groove is arranged in the middle of the inner wall of the grinding circular tube (3a) along the circumferential direction of the grinding circular tube, the connecting plate (3b) is arranged on the upper side between the inner walls of the left end and the right end of the grinding circular tube (3a), the grinding machine is characterized in that a groove is formed in the position, located at the circle center of a grinding circular tube (3a), of the outer wall of the lower end of a connecting plate (3b), a grinding motor (3c) is installed in the groove, a grinding circular roller (3d) is installed at the output end of the grinding motor (3c), a grinding annular tooth (3e) is evenly arranged on the outer wall of the grinding circular roller (3d) and located at the lower side of a lifting groove from the upper end to the lower end, the grinding annular tooth (3e) and the inner wall of the grinding circular tube (3a) are matched with each other for use, a straight groove is formed in the grinding circular roller (3d), through grooves are symmetrically formed in the inner walls of the left end and the right end of the straight groove in the grinding circular roller (3d), a lower pressing plate (3i) is installed in the straight groove in a sliding fit mode, a grinding circular plate (3j) is installed at the lower end of the lower pressing plate (3i), sliding circular rods (3g) are symmetrically installed on the outer walls of the left end and the right end of the left end of the lower end of the sliding circular tube (3i), and the sliding circular rod (3g), and the sliding rod (3a) is far away from the circle center of the grinding circular tube (3a) through sliding fit The lifting groove is installed to the complex mode, and slip round bar (3g) mid-mounting has sliding block (3f), and sliding block (3f) are installed at logical inslot through sliding fit's mode, and return spring pole (3h) are installed to the central point department symmetry on the outer wall of both ends about sliding block (3f), and the one end of keeping away from slip round bar (3g) on return spring pole (3h) is connected on leading to the inslot wall.
4. The method for producing the concrete aggregate by using the coal mine tailings as claimed in claim 3, wherein the concrete aggregate is prepared by the following steps: the upper end of the connecting plate (3b) is in a sharp-horn shape, and the lifting groove in the middle of the inner wall of the grinding circular tube (3a) is a wavy annular groove.
5. The method for producing the concrete aggregate by using the coal mine tailings as claimed in claim 3, wherein the concrete aggregate is prepared by the following steps: triangular circular rings (33) are uniformly arranged on the outer wall of the lower end of the grinding circular plate (3j) from the circle center position to the circumferential direction, and the triangular circular rings (33) and the screening circular plate (3k) are matched with each other for use.
6. The method for producing the concrete aggregate by using the coal mine tailings as claimed in claim 1, wherein the method comprises the following steps: the feeding device (4) comprises a triangular cushion block (40), a feeding motor (41), a feeding circular tube (42), inclined support plates (43), a feeding circular rod (44), a conveying plate (45), a feeding pipe (46) and a discharging pipe (47), wherein the two inclined support plates (43) are arranged on the left side of the supporting plate (2a) on the bottom plate (1), the inclined support plates (43) are connected through the feeding circular tube (42), the triangular cushion block (40) is arranged at the left end of the bottom plate (1), the feeding motor (41) is arranged on the triangular cushion block (40), the feeding circular rod (44) is arranged at the output end of the feeding motor (41), the upper end of the feeding circular rod (44) is arranged on the inner wall of the upper end of the feeding circular tube (42) in a rotating fit mode, the conveying plate (45) is arranged on the outer wall of the feeding circular rod (44) along the circumferential direction of the feeding circular rod, the feeding circular tube (, a discharge pipe (47) is arranged on the upper part of the outer wall of the feeding circular pipe (42) close to one side of the crushing box (2b), and the lower end of the discharge pipe (47) extends into the space between the inner walls of the crushing box (2 b).
7. The method for producing the concrete aggregate by using the coal mine tailings as claimed in claim 6, wherein the concrete aggregate is prepared by the following steps: the conveying plate (45) is a spiral plate as a whole, and the conveying plate (45) and the inner wall of the circular feeding pipe (42) are matched with each other for use.
8. The method for producing the concrete aggregate by using the coal mine tailings as claimed in claim 2, wherein the method comprises the following steps: extrusion bent plate (22n) on keep away from evenly being provided with extrusion sharp pole (24) on the one end outer wall of T type round bar (22e), crushing groove left end inner wall and with extrusion bent plate (22n) relative position department evenly be provided with extrusion sharp pole (24), and use mutually supporting between the extrusion sharp pole (24).
9. The method for producing the concrete aggregate by using the coal mine tailings as claimed in claim 1, wherein the method comprises the following steps: the crushing cutter (2g) is integrally a Y-shaped plate, and arrow-shaped round rods (25) are uniformly arranged on the upper outer surface of the crushing cutter (2 g).
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| CN202110570170.3A CN113231161A (en) | 2021-05-25 | 2021-05-25 | Method for producing concrete aggregate by using coal mine tailings |
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| CN202110570170.3A CN113231161A (en) | 2021-05-25 | 2021-05-25 | Method for producing concrete aggregate by using coal mine tailings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177991A (en) * | 2021-12-07 | 2022-03-15 | 邹勇 | Limestone homogenization treatment system and treatment method |
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2021
- 2021-05-25 CN CN202110570170.3A patent/CN113231161A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177991A (en) * | 2021-12-07 | 2022-03-15 | 邹勇 | Limestone homogenization treatment system and treatment method |
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