CN107716275B - Mining solid waste sieving mechanism - Google Patents
Mining solid waste sieving mechanism Download PDFInfo
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- CN107716275B CN107716275B CN201710880402.9A CN201710880402A CN107716275B CN 107716275 B CN107716275 B CN 107716275B CN 201710880402 A CN201710880402 A CN 201710880402A CN 107716275 B CN107716275 B CN 107716275B
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- 239000002910 solid waste Substances 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 238000005065 mining Methods 0.000 title claims abstract description 33
- 238000007873 sieving Methods 0.000 title description 2
- 238000012216 screening Methods 0.000 claims abstract description 132
- 238000009434 installation Methods 0.000 claims description 15
- 238000001125 extrusion Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 8
- 239000011707 mineral Substances 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 6
- 238000005245 sintering Methods 0.000 abstract description 3
- 238000009270 solid waste treatment Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 7
- 239000002893 slag Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- -1 tailings Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4636—Regulation of screen apertures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
- B07B1/4681—Meshes of intersecting, non-woven, elements
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of industrial solid waste treatment, and particularly discloses a mining solid waste screening device which comprises a first cylinder, a second cylinder, a screening grid, at least 2 first eccentric vibration mechanisms and at least 2 second eccentric vibration mechanisms, wherein the first cylinder is used for accommodating the second cylinder, the second cylinder is in an open shape, and the screening grid is installed in the second cylinder. The mineral solid waste screening device provided by the embodiment of the invention is provided with the first eccentric vibration mechanism, the second eccentric vibration mechanism and the screening grid, so that the mineral solid waste in the second cylinder can be screened to form sorted substances with different particle sizes, the mineral solid waste is finely treated, and the formed substance obtained by treating (for example, sintering and curing) the sorted substances is stable in performance.
Description
The application is a divisional application with the application number of 2016102989366, the application date of 2016, 05 and 06, and the title of "a screening device for mining solid wastes".
Technical Field
The invention relates to the technical field of industrial solid waste treatment, in particular to a mining solid waste screening device.
Background
Mining solid waste refers to various waste rocks, tailings, waste residues, dusts and other waste produced in mining production activities. Can be generally divided into mining wastes (waste rocks, coal gangues, tailings and the like) and mineral smelting wastes (such as blast furnace slag, steel slag, red mud, non-ferrous slag, fly ash, coal slag, sulfuric acid slag, waste gypsum, desulfurization ash, carbide slag, salt slurry and the like).
When the conventional mining solid waste treatment device is used for treating the mining solid waste, the processing (such as sintering and solidification) is generally directly carried out without sorting, and the processing of the mining solid waste is very extensive, so that the performance of a formed product (such as a sintered block) after the processing is unstable.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a mining solid waste screening device.
In order to solve the technical problems, the invention provides a screening device for mining solid wastes, which comprises a first cylinder, a second cylinder, a screening grid, at least 2 first eccentric vibration mechanisms and at least 2 second eccentric vibration mechanisms, wherein the first cylinder is used for accommodating the second cylinder, the second cylinder is in an open shape, the screening grid is installed in the second cylinder, and the second cylinder is provided with a first side wall and a second side wall which are opposite; the at least 2 first eccentric vibration mechanisms synchronously and eccentrically vibrate, the distances from the rotating centers of the at least 2 first eccentric vibration mechanisms to the first side wall are the same, the first eccentric vibration mechanism comprises a first motor, a first eccentric vibration wheel, a sliding connection block and a sliding rod, the first motor is arranged on the side wall of the first cylinder body, the first eccentric vibrating wheel is eccentrically arranged on the first motor, the sliding connecting block is slidably arranged on the side wall of the first cylinder body, one end of the sliding rod is connected to the second side wall of the second cylinder body, the other end of the sliding rod is connected with the sliding connecting block, the sliding rod comprises a first rod, a second rod and a spring, the second rod is slidably mounted on the first rod, the spring is elastically arranged between the first rod and the second rod, and the spring enables the first side wall of the second cylinder body to be pressed against the first eccentric vibration wheel; synchronous eccentric vibration of 2 at least second eccentric vibrating mechanism, the center of rotation distance of 2 at least second eccentric vibrating mechanism the bottom distance of second barrel is the same, second eccentric vibrating mechanism includes second motor and second eccentric vibrating pulley, second eccentric vibrating pulley eccentric mounting in the second motor, the bottom of second barrel support lean on in the second eccentric vibrating pulley.
The mining solid waste screening device comprises a first pipeline, a second pipeline and a third pipeline, wherein the first pipeline is communicated with the second cylinder, the first pipeline is fixedly installed on the second side wall of the second cylinder, the extending direction of the first pipeline is perpendicular to the first side wall of the second cylinder, the second pipeline is fixed on the side wall of the first cylinder, the second pipeline is communicated to the outside of the first cylinder, the extending direction of the second pipeline is perpendicular to the bottom of the second cylinder, the third pipeline is bent, and the first end of the third pipeline is slidably installed on the first pipeline and the second end of the third pipeline is slidably installed on the second pipeline.
The outer wall of the first cylinder body is provided with a release groove, and the second pipeline is communicated to the release groove.
Wherein the screening grid is arranged above the second barrel and comprises a frame body, a plurality of first screening rods arranged in parallel and a plurality of second screening rods arranged in parallel, the first screening rods and the second screening rods are arranged in a crossed manner, the first screening rods are attached to the second screening rods, two parallel second sliding grooves are arranged on the inner wall of the frame body, two ends of the first screening rods are respectively and slidably arranged in the two second sliding grooves, two parallel third sliding grooves are arranged on the inner wall of the frame body, two ends of the second screening rods are respectively and slidably arranged in the two third sliding grooves, a first accommodating space for accommodating the first screening rods is formed in the frame body, the second sliding grooves extend to the first accommodating space, and a second accommodating space for accommodating the second screening rods is formed in the frame body, the third sliding groove extends to the second accommodating space.
The screening device for the mining solid wastes further comprises a first fastener and a second fastener, wherein first mounting parts are respectively arranged at two ends of the first screening rod, the first mounting parts are of cylindrical structures matched with the second sliding grooves, a plurality of first mounting holes are radially formed in the first mounting parts, the first mounting holes are uniformly distributed at equal angles, a plurality of first fixing holes are formed in the frame body at equal intervals, the number of the first fixing holes is larger than or equal to that of the first screening rods, and the first fastener penetrates through the first fixing holes and is in threaded connection with the first mounting holes of the first mounting parts; the both ends of second screening pole are provided with the second installation department respectively, the second installation department be with the cylinder structure of third sliding tray looks adaptation, a plurality of second mounting holes have radially been seted up to the second installation department, angular uniform distribution such as a plurality of second mounting holes, a plurality of second fixed orificess have been seted up to the framework equidistant, the quantity more than or equal to of a plurality of second fixed orificess the quantity of second screening pole, the second fastener passes the second fixed orifices with the second mounting hole threaded connection of second installation department.
The two ends of the first screening rod are respectively provided with a first rotating part, the first rotating part comprises a first rotating ring, at least 2 first guide rods, first clamping blocks and first elastic elements, the first clamping blocks are equal in number to the first guide rods, the first elastic elements are equal in number to the first clamping blocks, the first rotating ring is rotatably arranged at the end part of the first screening rod, the first guide rods are radially connected to the first rotating ring, the outer ends of the first guide rods are arc-shaped, the at least 2 first guide rods are uniformly distributed at equal angles, the outer edges of the first clamping blocks are arc-shaped, the first clamping blocks are respectively arranged on the first guide rods in a sliding mode, and the first elastic elements are used for exerting radially outward elastic force on the first clamping blocks; the groove width of the second sliding groove is larger than the minimum rotating radius of the first rotating part, a plurality of first clamping grooves are arranged on the groove wall of the second sliding groove at equal intervals, and when the first rotating part moves to the first clamping grooves, the first elastic element pushes the first clamping blocks to move radially outwards until the first clamping blocks are clamped in the first clamping grooves.
The two ends of the second screening rod are respectively provided with the second rotating parts, each second rotating part comprises a second rotating ring, at least 2 second guide rods, second clamping blocks and second elastic elements, the second clamping blocks are equal in number to the second guide rods, the second elastic elements are equal in number to the second clamping blocks, the second rotating ring is rotatably arranged at the end part of the second screening rod, the second guide rods are radially connected to the second rotating ring, the outer ends of the second guide rods are arc-shaped, the at least 2 second guide rods are uniformly distributed at equal angles, the outer edges of the second clamping blocks are arc-shaped, the second clamping blocks are respectively arranged on the second guide rods in a sliding mode, and the second elastic elements are used for exerting elastic force outwards in the radial direction on the second clamping blocks; the groove width of the third sliding groove is larger than the minimum rotating radius of the second rotating part, a plurality of second clamping grooves are formed in the groove wall of the third sliding groove at equal intervals, and when the second rotating part moves to the second clamping grooves, the second elastic element pushes the second clamping blocks to move radially outwards until the second clamping blocks are clamped in the second clamping grooves.
The mining solid waste screening device further comprises a control module, the first motor is electrically connected with the control module, the second motor is electrically connected with the control module, and the control module is used for controlling the first motor and the second motor.
The inner wall of the second cylinder is provided with a step, and the frame body of the screening grid is detachably mounted on the step.
Two ends of the first screening rod are respectively provided with a first extrusion wheel, and the first extrusion wheels are elastically extruded in the second sliding groove; and two ends of the second screening rod are respectively provided with a second extrusion wheel, the second extrusion wheels are elastically extruded in the third sliding groove, and the first extrusion wheel and the second extrusion wheels are made of high-elasticity materials.
Compared with the prior art, the mineral solid waste screening device has the advantages that the mineral solid waste screening device provided by the embodiment of the invention is provided with the first eccentric vibration mechanism, the second eccentric vibration mechanism and the screening grid, so that the mineral solid waste in the second cylinder can be screened to form sorted substances with different particle sizes, the mineral solid waste is finely treated, and the formed substances obtained by treating (for example, sintering and curing) the sorted substances are stable in performance.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first embodiment of a screening apparatus for mining solid waste according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a structure at A in the mining solid waste screening apparatus shown in FIG. 1;
fig. 3 is an enlarged view of a structure at B in the mining solid waste screening apparatus shown in fig. 1;
fig. 4 is an enlarged view of a structure at E in the mining solid waste screening apparatus shown in fig. 1;
FIG. 5 is a schematic structural diagram of a second embodiment of the screening apparatus for mining solid waste according to the embodiment of the present invention;
fig. 6 is an enlarged view of a structure at F in the mining solid waste screening apparatus shown in fig. 5;
FIG. 7 is a top view of the screening grid of FIG. 1 or FIG. 5;
FIG. 8 is a sectional view at C-C in FIG. 7;
FIG. 9 is an enlarged view of the structure of FIG. 8 at G;
FIG. 10 is a sectional view taken at D-D in FIG. 7;
FIG. 11 is an enlarged view of the structure of FIG. 10 at H;
FIG. 12 is a schematic view in section of another embodiment at C-C in FIG. 7;
FIG. 13 is an enlarged view of the structure of FIG. 12 at I;
FIG. 14 is a schematic view in section of another embodiment at D-D in FIG. 7;
FIG. 15 is an enlarged view of the structure of FIG. 14 at J;
FIG. 16 is a schematic view in section of another embodiment at C-C in FIG. 7;
FIG. 17 is an enlarged view of the structure at K in FIG. 16;
FIG. 18 is a schematic structural view of the first rotating part in FIG. 17;
FIG. 19 is a schematic view in section of another embodiment at D-D in FIG. 7;
FIG. 20 is an enlarged view of the structure of FIG. 19 at L;
fig. 21 is a schematic structural view of the second rotating portion of fig. 20;
fig. 22 is a control schematic diagram of an industrial solid waste screening apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 or 5, an embodiment of the present invention provides a screening apparatus 1 for mining solid waste, where the screening apparatus 1 for mining solid waste includes a first cylinder 100, a second cylinder 400, a screening grid 500, at least 2 first eccentric vibration mechanisms 200, and at least 2 second eccentric vibration mechanisms 300, the first cylinder 100 accommodates the second cylinder 400, the second cylinder 400 is open, the screening grid 500 is installed in the second cylinder 400, and the second cylinder 400 has a first side wall 410 and a second side wall 420 that are opposite; the at least 2 first eccentric vibration mechanisms 200 synchronously and eccentrically vibrate, the distances from the rotation centers of the at least 2 first eccentric vibration mechanisms 200 to the first side wall 410 are the same, each first eccentric vibration mechanism 200 comprises a first motor 210, a first eccentric vibration wheel 220, a sliding connection block 230 and a sliding rod 240, the first motor 210 is mounted on the side wall of the first cylinder 100, the first eccentric vibration wheel 220 is eccentrically mounted on the first motor 210, the sliding connection block 230 is slidably mounted on the side wall of the first cylinder 100, one end of the sliding rod 240 is connected to the second side wall 420 of the second cylinder 400, the other end is connected with the sliding connection block 230, the sliding rod 240 comprises a first rod 241, a second rod 242 and a spring 243, the second rod 242 is slidably mounted on the first rod 241, the spring 243 is elastically mounted between the first rod 241 and the second rod 242, and the spring 243 enables the first side wall 410 of the second cylinder 400 to be pressed against the first eccentric oscillating wheel 220; the at least 2 second eccentric vibration mechanisms 300 vibrate synchronously and eccentrically, the distance between the rotation center of the at least 2 second eccentric vibration mechanisms 300 and the bottom of the second cylinder 400 is the same, the second eccentric vibration mechanism 300 comprises a second motor 310 and a second eccentric vibration wheel 320, the second eccentric vibration wheel 320 is eccentrically installed on the second motor 310, and the bottom of the second cylinder 400 abuts against the second eccentric vibration wheel 320.
The first sidewall 410 of the second cylinder 400 is a stretching body structure, and the stretching body is a three-dimensional body formed by stretching a section along a line segment, such as a flat plate, an arc-shaped stretching plate, etc.; the bottom of the second cylinder 400 is of a stretching structure, such as a flat plate, an arc stretching plate, etc.
Referring to fig. 2, in the embodiment of the present invention, the first eccentric oscillating wheel 220 has a disk shape, the first eccentric oscillating wheel 220 is eccentrically installed on the output shaft 211 of the first motor 210, and the distance from the geometric center of the first eccentric oscillating wheel 220 to the rotation center is an eccentricity, which is an amplitude of the first eccentric oscillating wheel 220.
Referring to fig. 4, the second eccentric oscillating wheel 320 is in a disk shape, the second eccentric oscillating wheel 320 is eccentrically installed at the output shaft 311 of the second motor 310, and the distance from the geometric center of the second eccentric oscillating wheel 320 to the rotation center is an eccentricity, which is the amplitude of the second eccentric oscillating wheel 320.
Referring to fig. 3, in the embodiment of the present invention, the maximum slidable stroke of the sliding connection block 230 is equal to or greater than twice the amplitude of the second eccentric vibration mechanism 300, and the sliding direction of the sliding connection block 230 is perpendicular to the bottom of the second cylinder 400. Specifically, the side wall of the first cylinder 100 is provided with a first sliding groove 101 matching with the sliding connection block 230, and the sliding connection block 230 is slidably mounted in the first sliding groove 101.
Referring to fig. 3, the maximum slidable stroke of the second rod 242 is equal to or greater than twice the amplitude of the first eccentric mechanism 200, and the sliding direction of the second rod 242 is perpendicular to the first sidewall 410 of the second cylinder 400. The first rod 241 is provided with a sliding groove 241a, a spring 243 is installed in the sliding groove 241a, the second rod 242 is slidably installed in the sliding groove 241a, the spring 243 elastically expands the second rod 242 with respect to the first rod 241, the first rod 241 elastically expands with respect to the second rod 242, and the first sidewall 410 of the second cylinder 400 is pressed against the first eccentric oscillating wheel 220.
The sliding connection block 230 and the sliding rod 240 are used to apply an abutting force against the first eccentric oscillating wheel 220 to the second cylinder 400, and do not hinder horizontal and vertical oscillations of the second cylinder 400 during oscillation.
Further referring to fig. 5 and 6, the mining solid waste screening device 1 includes a first pipe 710, a second pipe 720 and a third pipe 730, the first pipe 710, the second pipe 720 and the third pipe 730 are all located between the first cylinder 100 and the second cylinder 400, the first pipe 710 is communicated with the second cylinder 400, the first pipe 710 is fixedly installed on the second sidewall 420 of the second cylinder 400, the extending direction of the first pipe 710 is perpendicular to the first sidewall 410 of the second cylinder 400, the second pipe 720 is fixed on the sidewall (inner sidewall) of the first cylinder 100, the second pipe 720 is communicated to the outside of the first cylinder 100, the extending direction of the second pipe 720 is perpendicular to the bottom of the second cylinder 400, the third pipe 730 is bent, and the first end of the third pipe 730 is slidably installed on the first pipe 710 and the second end is slidably installed on the second pipe 720. The screened solid waste in the second cylinder 400 can be discharged through the first pipe 710, the second pipe 720 and the third pipe 730 without hindering the vibration of the second cylinder 400.
In the embodiment of the present invention, the maximum slidable stroke of the first end of the third pipe 730 is equal to or greater than twice the amplitude of the first eccentric vibrating mechanism 200. The maximum slidable stroke of the second end of the third pipe 730 is equal to or greater than twice the amplitude of the second eccentric vibrating mechanism 300.
Referring further to fig. 6, the outer wall of the first cylinder 100 has a relief groove 102, and the second conduit 720 is connected to the relief groove 102. The height of the relief groove 102 is lower than the bottom of the second cylinder 400. The relief groove 102 facilitates removal of solid waste discharged from the second cylinder 400.
With further reference to fig. 7, the screening grid 500 is disposed above the second cylinder 400, the screening grid 500 includes a frame 510, a plurality of first screening rods 520 disposed in parallel and a plurality of second screening rods 530 disposed in parallel, the frame 510 surrounds an opening 501, the first screening rods 520 and the second screening rods 530 are disposed in a crossing manner, the first screening rods 520 are attached to the second screening rods 530, and the opening 501 is divided into a plurality of meshes 501a by the first screening rods 520 and the second screening rods 530 involved in screening. Two parallel second sliding grooves 502 are arranged on two opposite sides of the inner wall of the frame 510, two ends of the first screening rod 520 are respectively slidably mounted in the two second sliding grooves 502, two parallel third sliding grooves 503 are arranged on two opposite sides of the inner wall of the frame 510, two ends of the second screening rod 530 are respectively slidably mounted in the two third sliding grooves 503, a first accommodating space 504 for accommodating the first screening rod 520 is formed in the frame 510, the second sliding groove 502 extends to the first accommodating space 504, a second accommodating space 505 for accommodating the second screening rod 530 is formed in the frame 510, the third sliding groove 503 extends to the second screening space 505, the first accommodating space 504 is used for accommodating the first screening rod 520 which does not participate in screening, and the second accommodating space 505 is used for accommodating the second screening rod 530 which does not participate in screening.
In the embodiment of the present invention, the number of the first screening rods 520 and the second screening rods 530 involved in the screening may be adjusted according to actual conditions, so as to adjust the size of the screening mesh and adjust the fineness of the screened solid waste of the mining industry, where the number of the first screening rods 520 involved in the screening is M, the number of the second screening rods 530 involved in the screening is N, and the number of the meshes is (M +1) (N + 1).
Further fig. 8 to 11, the mining solid waste screening apparatus 1 further includes a first fastening member 810 and a second fastening member 820, both ends of the first screening rod 520 are respectively provided with a first mounting portion 522, the first mounting portion 522 is a cylindrical structure matched with the second sliding groove 502, the first mounting portion 522 is radially provided with a plurality of first mounting holes 522a, the plurality of first mounting holes 522a are uniformly distributed at equal angles, the frame body 510 is equally spaced and provided with a plurality of first fixing holes 511, the first fixing holes 511 are communicated with the second sliding groove 502, the number of the plurality of first fixing holes 511 is greater than or equal to the number of the first screening rods 520, and the first fastening member 510 penetrates through the first fixing holes 511 and is in threaded connection with the first mounting holes 522a of the first mounting portion 522.
The both ends of second screening pole 530 are provided with second installation department 532 respectively, second installation department 532 is the cylinder structure with third sliding tray 503 looks adaptation, a plurality of second mounting holes 532a have radially been seted up to second installation department 532, a plurality of second mounting holes 532a equal angle evenly distributed, a plurality of second fixed orificess 512 have been seted up to framework 510 equal interval, the quantity more than or equal to second screening pole 530's of a plurality of second fixed orificess 512 quantity, second fastener 820 passes second fixed orifices 512 and second installation department 532's second mounting hole 532a threaded connection.
The first and second fastening members 810 and 820 may be screws, and the first and second screening rods 520 and 530 may be fixed by the first and second fastening members 810 and 820, respectively, to prevent the first and second screening rods 520 and 530 from moving during the screening process, resulting in inconsistent screening accuracy.
Further referring to fig. 12 to 15, in other embodiments, the first pressing wheel 523 is respectively disposed at both ends of the first screening rod 520, and the first pressing wheel 523 is elastically pressed in the second sliding groove 502. Two ends of the second screening rod 530 are respectively provided with a second pressing wheel 533, and the second pressing wheel 533 is elastically pressed in the third sliding groove 503. The first pressing wheel 523 and the second pressing wheel 533 may be made of a highly elastic material, such as rubber or highly elastic plastic. The first screening rod 520 may be fixed using high friction of the first pressing wheel 523 and the second sliding groove 502; the second screening rod 530 may be fixed by a high friction force of the second pressing wheel 533 with the third sliding groove 503.
With further reference to fig. 16 to 18, the two ends of the first screening rod 520 are respectively provided with a first rotating portion 521, the first rotating portion 521 includes a first rotating ring 521a, at least 2 first guide rods 521b, first clamping blocks 521c in an amount equal to that of the first guide rods 521b, and first elastic elements 521d in an amount equal to that of the first clamping blocks 521c, the first rotating ring 521a is rotatably disposed at the end of the first screening rod 520, the first guide rods 521b are radially connected to the first rotating ring 521a, the outer ends of the first guide rods 521b are in a circular arc shape, the at least 2 first guide rods 521b are uniformly distributed in an equal angle, the outer edge of the first clamping block 521c is in a circular arc shape, the plurality of first clamping blocks 521c are respectively slidably disposed on the plurality of first guide rods 521b, and the first elastic elements 521d are used for applying an elastic force radially outward to the first clamping blocks 521 c; the second sliding groove 502 is a rectangular groove, the width of the rectangular groove is larger than the minimum rotation radius of the first rotating part 521, the groove wall of the second sliding groove 502 is provided with a plurality of first catching grooves 502a at equal intervals, when the first rotating part 521 moves to the first catching groove 502a, the first elastic element 521d pushes the first catching block 521c to move radially outward until being caught in the first catching groove 502 a. By providing the first catching groove 502a, the first screening rod 520 can be prevented from sliding during the screening process.
The first elastic element 521d may be a spring or a leaf spring. The number of the guide rods 521b is not less than 3. In the embodiment of the present invention, the number of the guide bars 521 is 4.
With further reference to fig. 19 to 21, the two ends of the second screening rod 530 are respectively provided with a second rotating portion 531, the second rotating portion 531 includes a second rotating ring 531a, at least 2 second guiding rods 531b, second clamping blocks 531c in an amount equal to that of the second guiding rods 531b, and second elastic elements 531d in an amount equal to that of the second clamping blocks 531c, the second rotating ring 531a is rotatably disposed at the end of the second screening rod 530, the second guiding rods 531b are radially connected to the second rotating ring 531a, the outer ends of the second guiding rods 531b are arc-shaped, the at least 2 second guiding rods 531b are uniformly distributed in an equal angle, the outer edges of the second clamping blocks 531c are arc-shaped, the plurality of second clamping blocks 531c are respectively slidably disposed on the plurality of second guiding rods 531b, and the second elastic elements 531d are configured to apply an elastic force radially outward to the second clamping blocks 531 c; the second sliding groove 503 is a rectangular groove, the width of the rectangular groove is larger than the minimum rotation radius of the second rotating part 531, the groove wall of the second sliding groove 503 is provided with a plurality of second clamping grooves 503a at equal intervals, when the second rotating part 531 moves to the second clamping groove 503a, the second elastic element 531d pushes the second clamping block 531c to move radially outward until being clamped in the second clamping groove 503 a. By providing the second catching groove 503a, the second screening rod 530 can be prevented from sliding during the screening process.
Referring to fig. 2, the inner wall of the second cylinder 400 is provided with a step 430, and the frame 510 of the screening grid 500 is detachably mounted to the step 430.
With further reference to fig. 22, the mining solid waste screening apparatus 1 further includes a control module 900, the first motor 210 is electrically connected to the control module 900, the second motor 310 is electrically connected to the control module 900, and the control module 900 is configured to control the first motor 210 and the second motor 310. The control module 900 controls the turn on, turn off, and speed of the first motor 210. The control module 900 controls the turn on, turn off, and speed of the second motor 310.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (2)
1. The mining solid waste screening device is characterized by comprising a first cylinder, a second cylinder, a screening grid, at least 2 first eccentric vibration mechanisms and at least 2 second eccentric vibration mechanisms, wherein the first cylinder accommodates the second cylinder, the second cylinder is in an open shape, the screening grid is installed in the second cylinder, and the second cylinder is provided with a first side wall and a second side wall which are opposite; the at least 2 first eccentric vibration mechanisms vibrate synchronously and eccentrically, the distance between the rotation center of the at least 2 first eccentric vibration mechanisms and the first side wall is the same, each first eccentric vibration mechanism comprises a first motor, a first eccentric vibration wheel, a sliding connection block and a sliding rod, the first motor is installed on the side wall of the first barrel, the first eccentric vibration wheel is eccentrically installed on the first motor, the sliding connection block is installed on the side wall of the first barrel in a sliding manner, a first sliding groove matched with the sliding connection block is formed in the side wall of the first barrel, the sliding connection block is installed on the first sliding groove in a sliding manner, one end of the sliding rod is connected with the second side wall of the second barrel, the other end of the sliding rod is connected with the sliding connection block, the sliding rod comprises a first rod, a second rod and a spring, and the second rod is installed on the first rod in a sliding manner, the spring is elastically arranged between the first rod and the second rod, and the spring enables the first side wall of the second cylinder body to be pressed against the first eccentric vibration wheel; the at least 2 second eccentric vibration mechanisms vibrate synchronously and eccentrically, the distances from the rotating centers of the at least 2 second eccentric vibration mechanisms to the bottom of the second cylinder are the same, each second eccentric vibration mechanism comprises a second motor and a second eccentric vibration wheel, the second eccentric vibration wheels are eccentrically installed on the second motors, and the bottom of the second cylinder abuts against the second eccentric vibration wheels; the mining solid waste screening device further comprises a control module, the first motor is electrically connected with the control module, the second motor is electrically connected with the control module, and the control module is used for controlling the first motor and the second motor; the inner wall of the second cylinder is provided with a step, and the frame body of the screening grid is detachably arranged on the step;
the mining solid waste screening device comprises a first pipeline, a second pipeline and a third pipeline, wherein the first pipeline is communicated with the second cylinder, the first pipeline is fixedly arranged on the second side wall of the second cylinder, the extending direction of the first pipeline is perpendicular to the first side wall of the second cylinder, the second pipeline is fixed on the side wall of the first cylinder, the second pipeline is communicated with the outside of the first cylinder, the extending direction of the second pipeline is perpendicular to the bottom of the second cylinder, the third pipeline is bent, and the first end of the third pipeline is slidably arranged on the first pipeline, and the second end of the third pipeline is slidably arranged on the second pipeline; the outer wall of the first cylinder is provided with a release groove, and the second pipeline is communicated to the release groove;
the screening grid is arranged above the second cylinder and comprises a frame body, a plurality of first screening rods arranged in parallel and a plurality of second screening rods arranged in parallel, the first screening rods and the second screening rods are arranged in a crossed manner, the first screening rods are attached to the second screening rods, two parallel second sliding grooves are arranged on the inner wall of the frame body, two ends of the first screening rod are respectively installed in the two second sliding grooves in a sliding manner, two parallel third sliding grooves are arranged on the inner wall of the frame body, two ends of the second screening rod are respectively installed in the two third sliding grooves in a sliding manner, the frame body is provided with a first accommodating space for accommodating the first screening rod, the second sliding groove extends to the first accommodating space, the frame body is provided with a second accommodating space for accommodating the second screening rod, and the third sliding groove extends to the second accommodating space;
the mining solid waste screening device further comprises a first fastener and a second fastener, wherein first installation parts are respectively arranged at two ends of the first screening rod, the first installation parts are of cylindrical structures matched with the second sliding grooves, a plurality of first installation holes are radially formed in the first installation parts, the first installation holes are uniformly distributed at equal angles, a plurality of first fixing holes are formed in the frame body at equal intervals, the number of the first fixing holes is larger than or equal to that of the first screening rods, and the first fastener penetrates through the first fixing holes and is in threaded connection with the first installation holes of the first installation parts; two ends of the second screening rod are respectively provided with a second mounting part, the second mounting parts are of cylindrical structures matched with the third sliding grooves, a plurality of second mounting holes are radially formed in the second mounting parts, the second mounting holes are uniformly distributed at equal angles, a plurality of second fixing holes are formed in the frame body at equal intervals, the number of the second fixing holes is larger than or equal to that of the second screening rods, and the second fasteners penetrate through the second fixing holes and are in threaded connection with the second mounting holes of the second mounting parts;
the two ends of the first screening rod are respectively provided with a first rotating part, the first rotating part comprises a first rotating ring, at least 2 first guide rods, first clamping blocks and first elastic elements, the first clamping blocks are equal in number to the first guide rods, the first elastic elements are equal in number to the first clamping blocks, the first rotating ring is rotatably arranged at the end part of the first screening rod, the first guide rods are radially connected to the first rotating ring, the outer ends of the first guide rods are arc-shaped, the at least 2 first guide rods are uniformly distributed at equal angles, the outer edges of the first clamping blocks are arc-shaped, the first clamping blocks are respectively arranged on the first guide rods in a sliding mode, and the first elastic elements are used for exerting radially outward elastic force on the first clamping blocks; the groove width of the second sliding groove is larger than the minimum rotating radius of the first rotating part, a plurality of first clamping grooves are arranged on the groove wall of the second sliding groove at equal intervals, and when the first rotating part moves to the first clamping grooves, the first elastic element pushes the first clamping blocks to move radially outwards until the first clamping blocks are clamped in the first clamping grooves;
the two ends of the second screening rod are respectively provided with a second rotating part, the second rotating part comprises a second rotating ring, at least 2 second guide rods, second clamping blocks and second elastic elements, the second clamping blocks are equal in number to the second guide rods, the second elastic elements are equal in number to the second clamping blocks, the second rotating ring is rotatably arranged at the end part of the second screening rod, the second guide rods are radially connected to the second rotating ring, the outer ends of the second guide rods are arc-shaped, the at least 2 second guide rods are uniformly distributed at equal angles, the outer edges of the second clamping blocks are arc-shaped, the second clamping blocks are respectively slidably arranged on the second guide rods, and the second elastic elements are used for applying radially outward elastic force to the second clamping blocks; the groove width of the third sliding groove is larger than the minimum rotating radius of the second rotating part, a plurality of second clamping grooves are formed in the groove wall of the third sliding groove at equal intervals, and when the second rotating part moves to the second clamping grooves, the second elastic element pushes the second clamping blocks to move radially outwards until the second clamping blocks are clamped in the second clamping grooves.
2. The mining solid waste screening device of claim 1, wherein two ends of the first screening rod are respectively provided with a first squeezing wheel, and the first squeezing wheels are elastically squeezed in the second sliding grooves; and two ends of the second screening rod are respectively provided with a second extrusion wheel, the second extrusion wheels are elastically extruded in the third sliding groove, and the first extrusion wheel and the second extrusion wheels are made of high-elasticity materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710880402.9A CN107716275B (en) | 2016-05-06 | 2016-05-06 | Mining solid waste sieving mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298936.6A CN105964531B (en) | 2016-05-06 | 2016-05-06 | A kind of mining industry solid waste screening plant |
| CN201710880402.9A CN107716275B (en) | 2016-05-06 | 2016-05-06 | Mining solid waste sieving mechanism |
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| CN201610298936.6A Division CN105964531B (en) | 2016-05-06 | 2016-05-06 | A kind of mining industry solid waste screening plant |
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| CN107716275A CN107716275A (en) | 2018-02-23 |
| CN107716275B true CN107716275B (en) | 2020-05-29 |
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| CN201710880402.9A Active CN107716275B (en) | 2016-05-06 | 2016-05-06 | Mining solid waste sieving mechanism |
| CN201710881156.9A Active CN107694905B (en) | 2016-05-06 | 2016-05-06 | Mining solid waste sieving mechanism |
| CN201610298936.6A Active CN105964531B (en) | 2016-05-06 | 2016-05-06 | A kind of mining industry solid waste screening plant |
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| CN201610298936.6A Active CN105964531B (en) | 2016-05-06 | 2016-05-06 | A kind of mining industry solid waste screening plant |
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| EP0815943A1 (en) * | 1996-06-25 | 1998-01-07 | Siro Viero | An apparatus for carrying out a flotation process |
| CN103272763A (en) * | 2013-06-29 | 2013-09-04 | 王海生 | Total amplitude supporting high-frequency linear vibrating screen |
| CN103752509A (en) * | 2013-12-13 | 2014-04-30 | 重庆大业食品有限公司 | Anti-vibration base of food raw material classifying screen |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105964531A (en) | 2016-09-28 |
| CN107694905B (en) | 2020-05-29 |
| CN107716275A (en) | 2018-02-23 |
| CN105964531B (en) | 2017-11-24 |
| CN107694905A (en) | 2018-02-16 |
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