CN113019884A - Efficient colliery screening plant - Google Patents
Efficient colliery screening plant Download PDFInfo
- Publication number
- CN113019884A CN113019884A CN202110543572.4A CN202110543572A CN113019884A CN 113019884 A CN113019884 A CN 113019884A CN 202110543572 A CN202110543572 A CN 202110543572A CN 113019884 A CN113019884 A CN 113019884A
- Authority
- CN
- China
- Prior art keywords
- fixed cylinder
- coal
- cylinder
- particle size
- dust
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of 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
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
-
- 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
- B07B1/50—Cleaning
- B07B1/54—Cleaning with beating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses an efficient coal mine screening device which comprises a base, wherein four supporting columns are fixedly installed at the top of the base, the four supporting columns are arranged in a pairwise symmetry mode, the top ends of the four supporting columns are fixedly provided with a same fixed cylinder, a feeding hopper is fixedly installed on one side of the fixed cylinder, and a discharging pipe is fixedly installed on one side, far away from the feeding hopper, of the fixed cylinder. The coal screening device is reasonable in design and good in practicability, can be used for continuously screening and filtering mined coal according to particle sizes, realizes multi-stage screening and filtering of the coal, can be used for separately discharging the screened coal with different particle sizes, improves the screening quality and the screening efficiency of the coal, can be used for collecting and storing coal powder in the coal screening process so as to facilitate recycling, reprocessing and utilizing of the coal powder, reduces the resource waste condition, and can avoid environmental pollution caused by the fact that the coal powder is suspended and diffused in the surrounding working environment.
Description
Technical Field
The invention relates to the technical field of screening equipment, in particular to a high-efficiency coal mine screening device.
Background
Coal mines are areas where people mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and open coal mines, coal is the most main solid fuel, is one kind of combustible organic rock, is formed by gradually piling up heavy plants growing in certain geological times in a proper geological environment into thick layers and burying the thick layers under water or silt through natural coalification for a long geological time, coal is known as black gold and industrial food, is one of main energy sources used in the human world since eighteenth century, and enters twenty-one century, although the value of coal is not good enough in the past, coal is one of indispensable energy sources for production and life of human beings at present and for a long period of time in the future, and during mining of coal, screening equipment is usually used for screening and filtering the mined coal according to volume, so as to facilitate the subsequent processing and production of coal.
However, in the prior art, a common coal mine screening device has a simple structure and a single performance, generally only performs one-time screening on coal, cannot perform multistage screening on coal, has a small screening amount for coal, can only add a certain amount of coal for screening at each time, cannot perform continuous screening work, causes poor screening quality of coal, has low screening efficiency for coal, cannot collect coal powder in a coal screening process, causes environmental pollution due to the fact that the coal powder is suspended and diffused in the surrounding working environment, and also causes resource waste.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an efficient coal mine screening device, which solves the problems that the existing coal mine screening equipment is simple in structure and single in performance, generally only screens coal once, cannot screen coal in multiple stages, has small screening quantity, can only add a certain amount of coal for screening each time, cannot perform continuous screening work, causes poor screening quality of coal, has low screening efficiency of coal, cannot collect coal powder in the process of screening coal, causes environmental pollution and resource waste due to the fact that the coal powder is suspended and diffused in the surrounding working environment.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an efficient colliery screening plant, the on-line screen storage device comprises a base, the top fixed mounting of base has four support columns, four support columns are two bisymmetry settings, the top fixed mounting of four support columns has same solid fixed cylinder, one side fixed mounting of solid fixed cylinder has the feeder hopper, one side fixed mounting that the solid fixed cylinder kept away from the feeder hopper has the row material pipe, arrange the material pipe and be linked together with solid fixed cylinder is inside, be provided with fine grain diameter sieve section of thick bamboo, well grain diameter sieve section of thick bamboo and coarse grain diameter sieve section of thick bamboo in the solid fixed cylinder, the both ends of fine grain diameter sieve section of thick bamboo, the both ends of well grain diameter sieve section of thick bamboo and the both ends of coarse grain diameter sieve section of thick bamboo are the open structure, well grain diameter sieve section of thick bamboo is located between fine grain diameter sieve section of thick bamboo and the coarse grain diameter sieve section of thick bamboo, the both sides of well grain diameter sieve, The middle particle discharging hopper and the large particle discharging hopper are arranged, the small particle discharging hopper, the middle particle discharging hopper and the large particle discharging hopper are communicated with the inside of the fixed cylinder, the fine particle diameter screen cylinder, the middle particle diameter screen cylinder and the coarse particle diameter screen cylinder are internally provided with the same cross shaft, the cross shaft is fixedly sleeved with the spiral impeller, one end of the first cross shaft penetrates through the discharging pipe, one end of the spiral impeller extends into the discharging pipe, one side of the fixed cylinder, which is far away from the discharging pipe, is fixedly provided with a motor, the inner wall of one side of the fixed cylinder, which is far away from the discharging pipe, is provided with a first mounting hole, one end of the first cross shaft, which is far away from the discharging pipe, penetrates through the first mounting hole and is fixedly connected with the output shaft end of the motor, the fixed cylinder is internally provided with a transmission mechanism, and the transmission mechanism comprises two transmission, The dust removal device comprises two annular guide seats, a collision rod, two springs and two collision balls, wherein a dust removal mechanism is arranged on the rear side wall of a fixed cylinder, and the dust removal mechanism comprises a collection box, a dust collection fan, a filter plate, a dust exhaust pipe, a longitudinal dust conveying pipe, a transverse dust conveying pipe and a plurality of dust collection pipes.
Preferably, the two transmission shafts are both positioned in the fixed cylinder, the two transmission shafts are respectively positioned above the fine-grain-diameter screen cylinder and the coarse-grain-diameter screen cylinder, the inner walls of the two sides of the fixed cylinder are respectively provided with a second mounting hole, the ends, far away from each other, of the two transmission shafts respectively penetrate through the corresponding second mounting holes, the two driven sprockets are respectively fixedly sleeved at the ends, far away from each other, of the two transmission shafts, one ends of the two chains are respectively wound on the corresponding driven sprockets, the two driving sprockets are respectively fixedly sleeved on the cross shaft, the fixed cylinder is positioned between the two driving sprockets, the ends, far away from the corresponding driven sprockets, of the two chains are respectively wound on the corresponding driving sprockets, the two short bristles are respectively fixedly arranged on the corresponding transmission shafts, the two short bristles are respectively contacted with the outer wall of the fine-grain-diameter screen cylinder and the outer wall of the, the long brush hair contacts with the outer wall of a medium-particle-diameter screen cylinder, the two outer gear rings are respectively fixedly sleeved on the outer walls of a fine-particle-diameter screen cylinder and a coarse-particle-diameter screen cylinder, the two gears are respectively fixedly sleeved on corresponding transmission shafts, the two gears are respectively meshed with the corresponding outer gear rings, the two annular grooves are formed in the inner wall of the fixed cylinder, the two annular guide seats are respectively fixedly sleeved on the fine-particle-diameter screen cylinder and the coarse-particle-diameter screen cylinder, the two annular guide seats are respectively and rotatably installed in the corresponding annular grooves, the collision rod is fixedly installed on one side of the annular guide seats, the two springs are respectively and fixedly installed at one ends, close to each other, of the two transmission shafts, and the two collision balls are.
Preferably, the collecting box and the dust collection fan are fixedly mounted on the rear side wall of the fixed cylinder, the top of the collecting box is of an opening structure, the filter plate collecting box is fixedly mounted on the top of the filter plate through a screw, one end of the dust exhaust pipe is fixedly connected with the exhaust end of the dust collection fan, one end of the dust exhaust pipe, far away from the dust collection fan, extends into the collecting box, one end of the longitudinal dust conveying pipe is fixedly connected with the suction end of the dust collection fan, the transverse dust conveying pipe is fixedly mounted on the rear side wall of the fixed cylinder, one end of the longitudinal dust conveying pipe, far away from the dust collection fan, is fixedly connected with the top of the transverse dust conveying pipe, the longitudinal dust conveying pipe is communicated with the transverse dust conveying pipe, the dust collection pipes are fixedly mounted at the bottom of the transverse dust conveying pipe, the dust collection pipes are communicated with the inner portion of the transverse dust conveying pipe, and one.
Preferably, the top fixed mounting of base has the baffle, and one side fixed mounting that the baffle is close to a solid fixed cylinder has the bearing frame, and the cross axle is kept away from the one end of motor and is rotated and install on the bearing frame, and equidistant three observation hole of having seted up on the front side inner wall of a solid fixed cylinder, equal fixed mounting has the sight glass in the three observation hole, and the bottom fixed mounting of a solid fixed cylinder has two baffles, the bottom of two baffles all with the top fixed connection of base.
Preferably, the fine-particle-size screen cylinder and the coarse-particle-size screen cylinder are fixedly provided with sealing rings on the sides far away from each other, and the two sealing rings are in sliding sealing contact with the inner walls of the two sides of the fixed cylinder respectively.
Preferably, the fixed cover of cross axle is equipped with first bearing, and the outer lane of first bearing and the inner wall fixed connection of first mounting hole all fix the cover and be equipped with the second bearing on two transmission shafts, the outer lane of two second bearings respectively with the inner wall fixed connection of corresponding second mounting hole.
Preferably, a plurality of balls are nested on the outer wall of the annular guide seat and are in rolling contact with the inner wall of one side of the annular groove.
Preferably, the number of the collision rods on the same annular guide seat is eight, and the eight collision rods are annularly arranged at equal intervals.
(III) advantageous effects
The invention provides a high-efficiency coal mine screening device. The method has the following beneficial effects:
(1) the fine particle size screen drum, the medium particle size screen drum and the coarse particle size screen drum can be controlled to rotate by starting the motor, coal can be slowly conveyed towards the direction close to the discharge pipe by utilizing the rotation of the spiral impeller, the first screen, the medium particle size screen drum and the coarse particle size screen drum can be used for screening step by step according to the particle size of the coal and separately discharging the coal, the mined coal can be continuously screened and filtered according to the particle size, the coal is screened and filtered in multiple stages, the coal with different particle sizes can be separately discharged, and the screening efficiency of the coal is improved;
(2) by utilizing the rotation of the fine particle size screen cylinder, the medium particle size screen cylinder and the coarse particle size screen cylinder, the moving range of the coal in the fine particle size screen cylinder, the medium particle size screen cylinder and the coarse particle size screen cylinder is enlarged, the screening efficiency of the coal can be improved, two short brush hairs and two long brush hairs are utilized, the outer walls of the fine particle size screen cylinder, the medium particle size screen cylinder and the coarse particle size screen cylinder can be cleaned respectively, so that the coal powder is prevented from being adhered and gathered on the fine particle size screen cylinder, the medium particle size screen cylinder and the coarse particle size screen cylinder to influence the screening effect, the two collision balls are respectively in intermittent collision with the eight corresponding collision rods, so that the fine-particle-size screen drum, the medium-particle-size screen drum and the coarse-particle-size screen drum are subjected to intermittent vibration force, the screening and filtering of coal particles can be accelerated, coal powder adhered to the surfaces of the coal particles can be shaken off, and the screening quality and the screening efficiency of the coal are improved;
(3) the coal powder suspended and screened in the fixed cylinder can be discharged into the collecting box by starting the dust collection fan to work, and the coal powder can be collected and stored so as to be conveniently recycled, reprocessed and utilized, the resource waste condition is reduced, and the environmental pollution caused by the coal powder suspended and diffused in the surrounding working environment can be avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
FIG. 5 is a schematic side view of the annular guide seat;
FIG. 6 is a rear view of the present invention;
fig. 7 is an enlarged schematic view of a portion D in fig. 3.
In the figure: 1. a base; 2. a support pillar; 3. a fixed cylinder; 4. a feed hopper; 5. a discharge pipe; 6. a fine particle size screen drum; 7. a medium-particle-size screen drum; 8. a coarse particle size screen cylinder; 9. a small particle discharging hopper; 10. a medium particle discharge hopper; 11. a large particle discharging hopper; 12. a horizontal axis; 13. a helical impeller; 14. a motor; 15. a drive shaft; 16. a driven sprocket; 17. a drive sprocket; 18. a chain; 19. short bristles; 20. long bristles; 21. an outer ring gear; 22. a gear; 23. an annular groove; 24. an annular guide seat; 25. a collision bar; 26. a spring; 27. a collision ball; 28. a collection box; 29. a dust collection fan; 30. filtering the plate; 31. a dust exhaust pipe; 32. a longitudinal dust conveying pipe; 33. a transverse dust conveying pipe; 34. a dust collection pipe; 35. a baffle plate; 36. an observation mirror; 37. a partition plate; 38. a cover plate; 39. bending a spring; 40. a hauling rope; 41. an iron ball; 42. and a magnet block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the present invention provides a technical solution: a high-efficiency coal mine screening device comprises a base 1, wherein four supporting columns 2 are fixedly installed at the top of the base 1, the four supporting columns 2 are arranged symmetrically in pairs, the top ends of the four supporting columns 2 are fixedly provided with a same fixed cylinder 3, one side of the fixed cylinder 3 is fixedly provided with a feeding hopper 4, one side of the fixed cylinder 3, which is far away from the feeding hopper 4, is fixedly provided with a discharging pipe 5, the discharging pipe 5 is communicated with the inside of the fixed cylinder 3, a fine grain diameter screen cylinder 6, a medium grain diameter screen cylinder 7 and a coarse grain diameter screen cylinder 8 are arranged in the fixed cylinder 3, two ends of the fine grain diameter screen cylinder 6, two ends of the medium grain diameter screen cylinder 7 and two ends of the coarse grain diameter screen cylinder 8 are all of an open structure, the medium grain diameter screen cylinder 7 is positioned between the fine grain diameter screen cylinder 6 and the coarse grain diameter screen cylinder 8, two sides of the medium grain diameter screen cylinder 7 are respectively and fixedly connected with one side, which is close to the fine grain, the bottom fixed mounting of a fixed cylinder 3 has a small particle discharge hopper 9, a medium particle discharge hopper 10 and a large particle discharge hopper 11, the small particle discharge hopper 9, the medium particle discharge hopper 10 and the large particle discharge hopper 11 are all communicated with the inside of the fixed cylinder 3, a fine particle diameter screen cylinder 6, a medium particle diameter screen cylinder 7 and a coarse particle diameter screen cylinder 8 are provided with a same cross shaft 12, the cross shaft 12 is fixedly sleeved with a spiral impeller 13, one end of the first cross shaft 12 penetrates through a discharge pipe 5, one end of the spiral impeller 13 extends into the discharge pipe 5, one side of the fixed cylinder 3 far away from the discharge pipe 5 is fixedly provided with a motor 14, the inner wall of one side of the fixed cylinder 3 far away from the discharge pipe 5 is provided with a first mounting hole, one end of the first cross shaft 12 far away from the discharge pipe 5 penetrates through the first mounting hole and is fixedly connected with an output shaft end of the motor 14, a transmission mechanism, The rear side wall of the fixed cylinder 3 is provided with a dust removing mechanism which comprises a collecting box 28, a dust suction fan 29, a filter plate 30, a dust discharge pipe 31, a longitudinal dust conveying pipe 32, a transverse dust conveying pipe 33 and a plurality of dust suction pipes 34, the outer walls of the fine-particle-diameter screen cylinder 6 and the coarse-particle-diameter screen cylinder 8 are conveniently cleaned by utilizing the two short bristles 19, the outer wall of the medium-particle-diameter screen cylinder 7 is conveniently cleaned by utilizing the long bristles 20, and the rotation of the fine-particle-diameter screen cylinder 6, the medium-particle-diameter screen cylinder 7 and the coarse-particle-diameter screen cylinder 8 is conveniently controlled by arranging meshing transmission matching of the gear 22 and the outer gear ring 21.
Referring to fig. 2 and 3, further, two transmission shafts 15 are located in the fixed cylinder 3, the two transmission shafts 15 are located above the fine-particle-size screen cylinder 6 and the coarse-particle-size screen cylinder 8, second mounting holes are formed in the inner walls of the two sides of the fixed cylinder 3, the ends of the two transmission shafts 15 far away from each other penetrate through the corresponding second mounting holes, two driven sprockets 16 are fixedly sleeved on the ends of the two transmission shafts 15 far away from each other, one ends of two chains 18 are wound on the corresponding driven sprockets 16, the two driving sprockets 17 are fixedly sleeved on the transverse shaft 12, the fixed cylinder 3 is located between the two driving sprockets 17, the ends of the two chains 18 far away from the corresponding driven sprockets 16 are wound on the corresponding driving sprockets 17, the two short bristles 19 are fixedly mounted on the corresponding transmission shafts 15, the two short bristles 19 are in contact with the outer wall of the fine-particle-size screen cylinder 6 and the outer wall of the coarse-particle-, the long bristles 20 are fixedly arranged on the inner wall of the top of the fixed cylinder 3, the long bristles 20 are contacted with the outer wall of the medium-particle-diameter screen cylinder 7, two outer gear rings 21 are respectively and fixedly sleeved on the outer walls of the fine-particle-diameter screen cylinder 6 and the coarse-particle-diameter screen cylinder 8, two gears 22 are respectively and fixedly sleeved on corresponding transmission shafts 15, the two gears 22 are respectively meshed with the corresponding outer gear rings 21, two annular grooves 23 are respectively arranged on the inner wall of the fixed cylinder 3, two annular guide seats 24 are respectively and fixedly sleeved on the fine-particle-diameter screen cylinder 6 and the coarse-particle-diameter screen cylinder 8, the two annular guide seats 24 are respectively and rotatably arranged in the corresponding annular grooves 23, the collision rod 25 is fixedly arranged on one side of the annular guide seats 24, two springs 26 are respectively and fixedly arranged at one ends, close to each other, of the two collision balls 27 are respectively and fixedly connected with one ends of the corresponding springs 26, and, so that the vibration force generated when the collision bar 25 collides with the collision ball 27 can be transmitted to the fine particle size screen cylinder 6, the middle particle size screen cylinder 7 and the coarse particle size screen cylinder 8.
Referring to fig. 6, further, the collection box 28 and the dust suction fan 29 are fixedly installed on the rear side wall of the fixed cylinder 3, the top of the collection box 28 is open, the collection box 28 of the filter plate 30 is fixedly installed on the top of the filter plate 30 by screws, one end of the dust exhaust pipe 31 is fixedly connected with the exhaust end of the dust suction fan 29, one end of the dust exhaust pipe 31 far away from the dust suction fan 29 extends into the collection box 28, one end of the longitudinal dust transport pipe 32 is fixedly connected with the suction end of the dust suction fan 29, the transverse dust transport pipe 33 is fixedly installed on the rear side wall of the fixed cylinder 3, one end of the longitudinal dust transport pipe 32 far away from the dust suction fan 29 is fixedly connected with the top of the transverse dust transport pipe 33, the longitudinal dust transport pipe 32 is communicated with the transverse dust transport pipe 33, the plurality of dust suction pipes 34 are fixedly installed at the bottom of the transverse dust transport pipe 33, the plurality of dust suction pipes 34 are communicated with the inside of the transverse dust transport pipe 33, one ends of the plurality, by arranging the collection box 28 and the dust collection fan 29, the coal powder generated in the screening process is convenient to collect and purify, the coal powder can be prevented from being suspended and diffused in the surrounding working environment to pollute the environment, and the good air quality around the working environment is ensured.
Furthermore, a baffle 35 is fixedly arranged at the top of the base 1, a bearing seat is fixedly arranged at one side of the baffle 35 close to the fixed cylinder 3, one end of the transverse shaft 12 far away from the motor 14 is rotatably arranged on the bearing seat, three observation holes are arranged on the inner wall of the front side of the fixed cylinder 3 at equal intervals, observation mirrors 36 are fixedly arranged in the three observation holes, two partition plates 37 are fixedly arranged at the bottom of the fixed cylinder 3, the bottoms of the two partition plates 37 are fixedly connected with the top of the base 1, the baffle 35 and the bearing seat are arranged to effectively support and position the transmission shaft 15, so that the installation stability of the transmission shaft 15 is improved, through setting up sight glass 36, be convenient for observe the screening condition in the solid fixed cylinder 3, through setting up two baffles 37, be convenient for separate the coal of screening out different particle sizes, avoid the coal of different particle sizes to mix together.
Further, the sealing rings are fixedly mounted on one sides, far away from each other, of the fine-particle-diameter screen cylinder 6 and the coarse-particle-diameter screen cylinder 8, the two sealing rings are in sliding sealing contact with the inner walls of the two sides of the fixed cylinder 3 respectively, gaps between the fine-particle-diameter screen cylinder 6 and the coarse-particle-diameter screen cylinder 8 and the inner walls of the left side and the right side of the fixed cylinder 3 can be sealed through the sealing rings, and material leakage is prevented when coal is screened.
Further, fixed cover is equipped with first bearing on the cross axle 12, the outer lane of first bearing and the inner wall fixed connection of first mounting hole, all fixed cover is equipped with the second bearing on two transmission shafts 15, the outer lane of two second bearings respectively with the inner wall fixed connection of corresponding second mounting hole, through setting up first bearing, play and carry out effectual support and location to the mounted position of cross axle 12, through setting up the second bearing, play and carry out effectual support and location to the mounted position of transmission shaft 15.
Further, a plurality of balls are nested on the outer wall of the annular guide seat 24, and the plurality of balls are in rolling contact with the inner wall of one side of the annular groove 23, so that the rotation of the annular guide seat 24 in the annular groove 23 is smoother through the arrangement of the plurality of balls.
Further, the number of the collision bars 25 on the same annular guide seat 24 is eight, the eight collision bars 25 are annularly arranged at equal intervals, and the eight collision bars 25 are arranged, so that the collision ball 27 can intermittently collide with the eight collision bars 25 in sequence.
Furthermore, the cover plate 38 is hinged to one end of the feed hopper 4 located in the fixed cylinder 3, one end of the bent spring 39 is fixedly connected to one side of the cover plate 38, the other end of the bent spring 39 is fixedly connected to the inner wall of one side of the feed hopper 4, one end of the pulling rope 40 is fixedly connected to one side of the cover plate 38 away from the feed hopper 4, an iron ball 41 is fixedly connected to the bottom end of the pulling rope 40, a magnet block 42 is fixedly mounted on the transverse shaft 12, and the magnet block 42 is located below the iron ball 41.
The working principle is as follows: in the process of screening coal mines, the transverse shaft 12 drives the magnet block 42 to rotate at a constant speed, when the magnet block 42 rotates to the position closest to the iron ball 41, the magnetism of the magnet block 42 is utilized, the iron ball 41 can be adsorbed, the iron ball 41 drives the traction rope 40 to move downwards, the traction rope 41 pulls the cover plate 38 to incline downwards at the hinged position, the bent spring 39 is stressed and deformed to generate elasticity, at the moment, one end of the feed hopper 4 is opened, a coal mine is discharged from the feed hopper 4 and falls onto the fine-grain-size screen drum 6 to start screening and filtering, the magnet block 42 is driven by the transverse shaft 12 to continue rotating, so that the magnet block 42 is separated from the iron ball 41, under the action of the elastic force of the bent spring 39, the cover plate 38 is tilted upward at the hinge to restore its original shape, that is, one end of the feed hopper 4 is blocked, so that by intermittent adsorption of the magnet block 42 and the iron ball 41, the steerable colliery carries out the clearance feeding, avoids getting into the inside colliery volume of barrel 3 too big and influence the screening quality and the screening efficiency in colliery.
Further, install control switch and external power cord on the fixed cylinder 3, motor 14, dust absorption fan 29, control switch and external power cord loop through wire electric connection and constitute the return circuit, and motor 14 is the low-speed motor, and control switch can control opening of motor 14 and dust absorption fan 29 respectively and stop work, and the sieve mesh on the fine grain diameter sieve section of thick bamboo 6 is minimum, and the sieve mesh on the medium grain diameter sieve section of thick bamboo 7 is moderate, and the sieve mesh on the coarse grain diameter sieve section of thick bamboo 8 is the biggest, and the length of two transmission shafts 15 is different.
The working principle is as follows: by starting the motor 14 to work, the motor 14 drives the transverse shaft 12 and the helical impeller 13 to rotate, under the transmission action of the two groups of driven chain wheels 16, the driving chain wheel 17 and the chain 18, the transverse shaft 12 and the two transmission shafts 15 synchronously rotate in the same direction, the two transmission shafts 15 drive the corresponding short bristles 19, the gears 22, the springs 26 and the collision balls 27 to rotate, as the two gears 22 are respectively meshed with the corresponding outer gear rings 21, the fine particle size screen cylinder 6, the medium particle size screen cylinder 7 and the coarse particle size screen cylinder 8 rotate, the fine particle size screen cylinder 6 and the coarse particle size screen cylinder 8 drive the corresponding annular guide seats 24 to respectively rotate in the corresponding annular grooves 23, the two annular guide seats 24 drive the corresponding balls to respectively roll on the inner walls of the corresponding annular grooves 23, the two annular guide seats 24 drive the corresponding eight collision rods 25 to rotate, and the mined coal is poured into the fixed cylinder 3 from the feed hopper 4, coal falls into a fine particle size screen cylinder 6, a cross shaft 12 is used for driving a helical impeller 13 to rotate, the coal can be slowly conveyed towards the direction close to a discharge pipe 5, the coal can be primarily screened and filtered by the fine particle size screen cylinder 6, the coal with the smallest particles can fall through screen holes on the fine particle size screen cylinder 6 and be discharged from a small particle discharge hopper 9, when the coal is conveyed into a medium particle size screen cylinder 7, the coal can be secondarily screened and filtered by the medium particle size screen cylinder 7, the coal with the smaller particles can fall through the screen holes on the medium particle size screen cylinder 7 and be discharged from a medium particle discharge hopper 10, when the coal is conveyed into a coarse particle size screen cylinder 8, the coal with moderate particles can be thirdly screened and filtered by the coarse particle size screen cylinder 8, the coal with moderate particles can fall through the screen holes on the coarse particle size screen cylinder 8 and be discharged from a large particle discharge hopper 11, and finally the coal with the largest particles can be discharged from the coal discharge pipe 5, the mined coal can be continuously screened and filtered according to the particle size along with the continuous pouring of the mined coal into the feed hopper 4, so that the coal can be screened and filtered in multiple stages, the screened coal with different particle sizes can be separately discharged, and the screening efficiency of the coal is improved;
by utilizing the rotation of the fine particle size screen cylinder 6, the middle particle size screen cylinder 7 and the coarse particle size screen cylinder 8, the coal can rotate along with the fine particle size screen cylinder 6, the middle particle size screen cylinder 7 and the coarse particle size screen cylinder 8 in the process of screening the coal, so that the movement range of the coal in the fine particle size screen cylinder 6, the middle particle size screen cylinder 7 and the coarse particle size screen cylinder 8 is enlarged, the screening efficiency of the coal can be improved, the outer walls of the fine particle size screen cylinder 6 and the coarse particle size screen cylinder 8 can be cleaned respectively by utilizing the two short bristles 19, the outer wall of the middle particle size screen cylinder 7 can be cleaned by utilizing the long bristles 20, the coal powder adhered on the fine particle size screen cylinder 6, the middle particle size screen cylinder 7 and the coarse particle size screen cylinder 8 can be cleaned, the coal powder is prevented from being adhered on the fine particle size screen cylinder 6, the middle particle size screen cylinder 7 and the coarse particle size screen cylinder 8 to influence the screening effect thereof in a long-term working state, the two annular guide seats 24 are used for respectively driving the corresponding eight collision rods 25 to rotate, and are matched with the two transmission shafts 15 to drive the corresponding collision balls 27 to rotate, so that the two collision balls 27 are respectively intermittently collided with the corresponding eight collision rods 25, the two annular guide seats 24 are intermittently collided to generate vibration force, the vibration force generated by the two annular guide seats 24 is transmitted to the fine particle size screen cylinder 6, the medium particle size screen cylinder 7 and the coarse particle size screen cylinder 8, when the fine particle size screen cylinder 6, the medium particle size screen cylinder 7 and the coarse particle size screen cylinder 8 are subjected to the vibration force, the screening and the filtering of coal particles can be accelerated, the blocking phenomenon of screen holes of the fine particle size screen cylinder 6, the medium particle size screen cylinder 7 and the coarse particle size screen cylinder 8 is avoided, the screening of the coal particles is smoother, and the coal powder adhered to the surfaces of the coal particles can be shaken simultaneously, thereby improving the screening quality and the screening efficiency of the coal;
the coal powder suspended and screened in the fixed cylinder 3 sequentially passes through the plurality of dust suction pipes 34, the transverse dust conveying pipe 33, the longitudinal dust conveying pipe 32, the dust suction fan 29 and the dust discharge pipe 31 by starting the dust suction fan 29 to be discharged into the collection box 28, the coal powder can be intercepted and filtered by the filter plate 30 to be stored in the collection box 28, and the filtered clean air is discharged through the filter holes on the filter plate 30, so that the coal powder can be collected and stored in the screening process of the coal, the coal powder can be conveniently recycled, the resource waste situation is reduced, the environmental pollution caused by the coal powder suspended and diffused in the surrounding working environment can be avoided, the screening condition in the fixed cylinder 3 can be observed by the three observation mirrors 36, and the motor 14 and the dust suction fan 29 can be stopped after the coal screening work is finished, by removing the filter plate 30, the coal fines collected in the collection bin 28 are easily cleaned out.
It is also noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the elements defined by the phrase "comprising one … …" do not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the elements, and although embodiments of the invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions, and alterations may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an efficient colliery screening plant, includes base (1), its characterized in that: the top fixed mounting of base (1) has four support columns (2), four support columns (2) are two bisymmetry settings, four the top fixed mounting of support column (2) has same solid fixed cylinder (3), one side fixed mounting of solid fixed cylinder (3) has feeder hopper (4), one side fixed mounting that solid fixed cylinder (3) kept away from feeder hopper (4) has row material pipe (5), arrange material pipe (5) and gu fixed cylinder (3) inside is linked together, gu be provided with fine grain diameter sieve section of thick bamboo (6), well grain diameter sieve section of thick bamboo (7) and coarse grain diameter sieve section of thick bamboo (8) in fixed cylinder (3), the both ends of fine grain diameter sieve section of thick bamboo (6), the both ends of well grain diameter sieve section of thick bamboo (7) and the both ends of coarse grain diameter sieve section of thick bamboo (8) are the opening structure, well grain diameter sieve section of thick bamboo (7) are located between fine grain diameter sieve section of thick bamboo (6) and coarse grain diameter sieve section of thick bamboo, the both sides of well particle size sieve section of thick bamboo (7) respectively with one side fixed connection that fine particle size sieve section of thick bamboo (6) and coarse particle size sieve section of thick bamboo (8) are close to each other, the one end of feeder hopper (4) extends to in the fine particle size sieve section of thick bamboo (6), the bottom fixed mounting of solid fixed cylinder (3) has the tiny particle to go out hopper (9), well particle goes out hopper (10) and large granule goes out hopper (11), the tiny particle goes out hopper (9), well particle goes out hopper (10) and large granule goes out hopper (11) and all is linked together with solid fixed cylinder (3) inside, fine particle size sieve section of thick bamboo (6), well particle size sieve section of thick bamboo (7) with be equipped with same cross axle (12) in coarse particle size sieve section of thick bamboo (8), the fixed cover is equipped with helical impeller (13) on cross axle (12), the one end of first cross axle (12) runs through arrange material pipe (5, one end of helical impeller (13) extends to in row material pipe (5), gu fixed cylinder (3) is kept away from one side fixed mounting who arranges material pipe (5) has motor (14), gu fixed cylinder (3) are kept away from first mounting hole has been seted up on one side inner wall of row material pipe (5), first cross axle (12) are kept away from the one end of arranging material pipe (5) is run through first mounting hole and with the output shaft fixed connection of motor (14) is provided with drive mechanism in gu fixed cylinder (3), drive mechanism includes two transmission shaft (15), two driven sprocket (16), two driving sprocket (17), two chain (18), two short brush hair (19), long brush hair (20), two outer ring gear (21), two gear (22), two ring channel (23), two annular guide holder (24), hits pole (25), Two springs (26) and two collision balls (27), be provided with dust removal mechanism on the back lateral wall of fixed section of thick bamboo (3), dust removal mechanism includes collecting box (28), dust absorption fan (29), filter plate (30), dust exhaust pipe (31), vertical dust conveying pipe (32), horizontal dust conveying pipe (33) and a plurality of dust absorption pipe (34).
2. A high efficiency coal mine screening apparatus as claimed in claim 1, wherein: the two transmission shafts (15) are respectively positioned in the fixed cylinder (3), the two transmission shafts (15) are respectively positioned above the fine grain sieve cylinder (6) and the coarse grain sieve cylinder (8), second mounting holes are respectively formed in the inner walls of the two sides of the fixed cylinder (3), one ends, far away from each other, of the two transmission shafts (15) respectively penetrate through the corresponding second mounting holes, the two driven sprockets (16) are respectively fixedly sleeved at one ends, far away from each other, of the two transmission shafts (15), one ends of the two chains (18) are respectively wound on the corresponding driven sprockets (16), the two driving sprockets (17) are respectively fixedly sleeved on the transverse shaft (12), the fixed cylinder (3) is positioned between the two driving sprockets (17), and one ends, far away from the corresponding driven sprockets (16), of the two chains (18) are respectively wound on the corresponding driving sprockets (17), the two short bristles (19) are respectively and fixedly arranged on the corresponding transmission shafts (15), the two short bristles (19) are respectively in contact with the outer wall of the fine particle size screen cylinder (6) and the outer wall of the coarse particle size screen cylinder (8), the long bristles (20) are fixedly arranged on the inner wall of the top of the fixed cylinder (3), the long bristles (20) are in contact with the outer wall of the medium particle size screen cylinder (7), the two outer gear rings (21) are respectively and fixedly sleeved on the outer walls of the fine particle size screen cylinder (6) and the coarse particle size screen cylinder (8), the two gears (22) are respectively and fixedly sleeved on the corresponding transmission shafts (15), the two gears (22) are respectively engaged with the corresponding outer gear rings (21), and the two annular grooves (23) are both arranged on the inner wall of the fixed cylinder (3), two annular guide seats (24) are respectively fixedly sleeved on the fine particle size screen cylinder (6) and the coarse particle size screen cylinder (8), the two annular guide seats (24) are respectively and rotatably installed in the corresponding annular grooves (23), collision rods (25) are fixedly installed on one sides of the annular guide seats (24), springs (26) are respectively and fixedly installed at two ends, close to each other, of the transmission shafts (15), and collision balls (27) are respectively and fixedly connected with one ends of the springs (26).
3. A high efficiency coal mine screening apparatus as claimed in claim 1, wherein: the collection box (28) and the dust collection fan (29) are fixedly mounted on the rear side wall of the fixed cylinder (3), the top of the collection box (28) is of an opening structure, the collection box (28) of the filter plate (30) is fixedly mounted on the top of the filter plate (30) through screws, one end of the dust exhaust pipe (31) is fixedly connected with the exhaust end of the dust collection fan (29), one end of the dust exhaust pipe (31), far away from the dust collection fan (29), extends into the collection box (28), one end of the longitudinal dust conveying pipe (32) is fixedly connected with the suction end of the dust collection fan (29), the transverse dust conveying pipe (33) is fixedly mounted on the rear side wall of the fixed cylinder (3), one end of the longitudinal dust conveying pipe (32), far away from the dust collection fan (29), is fixedly connected with the top of the transverse dust conveying pipe (33), and the longitudinal dust conveying pipe (32) is communicated with the transverse dust conveying pipe (33), the dust collection pipes (34) are fixedly arranged at the bottoms of the transverse dust conveying pipes (33), the dust collection pipes (34) are communicated with the insides of the transverse dust conveying pipes (33), and one ends, far away from the transverse dust conveying pipes (33), of the dust collection pipes (34) extend into the fixed cylinder (3).
4. A high efficiency coal mine screening apparatus as claimed in claim 1, wherein: the top fixed mounting of base (1) has baffle (35), baffle (35) are close to one side fixed mounting of solid fixed cylinder (3) has the bearing frame, cross axle (12) are kept away from the one end of motor (14) is rotated and is installed on the bearing frame, equidistant three observation hole, three of having seted up on the front side inner wall of solid fixed cylinder (3) equal fixed mounting has sight glass (36) in the observation hole, the bottom fixed mounting of solid fixed cylinder (3) has two baffle (37), two the bottom of baffle (37) all with the top fixed connection of base (1).
5. A high efficiency coal mine screening apparatus as claimed in claim 1, wherein: and sealing rings are fixedly mounted on one sides, far away from each other, of the fine-particle-size screen cylinder (6) and the coarse-particle-size screen cylinder (8), and the two sealing rings are in sliding sealing contact with the inner walls of the two sides of the fixed cylinder (3) respectively.
6. A high efficiency coal mine screening apparatus as claimed in claim 1, wherein: the fixed cover is equipped with first bearing on cross axle (12), the outer lane of first bearing with the inner wall fixed connection of first mounting hole, two all the fixed cover is equipped with the second bearing on transmission shaft (15), two the outer lane of second bearing respectively with corresponding the inner wall fixed connection of second mounting hole.
7. A high efficiency coal mine screening apparatus as claimed in claim 1, wherein: a plurality of balls are nested on the outer wall of the annular guide seat (24), and are in rolling contact with the inner wall of one side of the annular groove (23).
8. A high efficiency coal mine screening apparatus as claimed in claim 1, wherein: the number of the collision rods (25) on the same annular guide seat (24) is eight, and the eight collision rods (25) are annularly arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110543572.4A CN113019884A (en) | 2021-05-19 | 2021-05-19 | Efficient colliery screening plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110543572.4A CN113019884A (en) | 2021-05-19 | 2021-05-19 | Efficient colliery screening plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113019884A true CN113019884A (en) | 2021-06-25 |
Family
ID=76455374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110543572.4A Withdrawn CN113019884A (en) | 2021-05-19 | 2021-05-19 | Efficient colliery screening plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113019884A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308606A (en) * | 2021-11-18 | 2022-04-12 | 华能碳资产经营有限公司 | Power plant coal conveying pipeline particle filtering and recycling device |
| CN114406891A (en) * | 2022-02-15 | 2022-04-29 | 苏州锦艺新材料科技股份有限公司 | Granularity regulation and control equipment for production of silicon micropowder |
| CN115138563A (en) * | 2022-07-05 | 2022-10-04 | 山东省煤田地质局第五勘探队 | Sample screening device for geological detection |
| CN115156025A (en) * | 2022-06-06 | 2022-10-11 | 安徽中马磁能科技股份有限公司 | Magnetic material screening plant |
| CN115338115A (en) * | 2022-09-15 | 2022-11-15 | 邓艳明 | Fertilizer grain selection device |
| CN115780232A (en) * | 2022-12-02 | 2023-03-14 | 深圳市宝安纯中医治疗医院 | Screening plant for pharmacy |
| CN116374665A (en) * | 2023-03-07 | 2023-07-04 | 华能云南滇东能源有限责任公司 | Colliery reposition of redundant personnel mechanism and conveyer |
| CN116474862A (en) * | 2023-03-09 | 2023-07-25 | 营口新科耐火材料有限公司 | Screening equipment for production of electric smelting magnesium |
| CN117644027A (en) * | 2024-01-30 | 2024-03-05 | 云南凯瑞特工程机械设备有限公司 | Portable sand material screening device who carries on |
-
2021
- 2021-05-19 CN CN202110543572.4A patent/CN113019884A/en not_active Withdrawn
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308606B (en) * | 2021-11-18 | 2023-05-23 | 华能碳资产经营有限公司 | Particle filtering and recycling device for coal conveying pipeline of power plant |
| CN114308606A (en) * | 2021-11-18 | 2022-04-12 | 华能碳资产经营有限公司 | Power plant coal conveying pipeline particle filtering and recycling device |
| CN114406891A (en) * | 2022-02-15 | 2022-04-29 | 苏州锦艺新材料科技股份有限公司 | Granularity regulation and control equipment for production of silicon micropowder |
| CN114406891B (en) * | 2022-02-15 | 2022-10-21 | 苏州锦艺新材料科技股份有限公司 | Granularity regulation and control equipment for production of silicon micropowder |
| CN115156025A (en) * | 2022-06-06 | 2022-10-11 | 安徽中马磁能科技股份有限公司 | Magnetic material screening plant |
| CN115138563A (en) * | 2022-07-05 | 2022-10-04 | 山东省煤田地质局第五勘探队 | Sample screening device for geological detection |
| CN115138563B (en) * | 2022-07-05 | 2024-02-06 | 山东省煤田地质局第五勘探队 | Sample screening device for geological detection |
| CN115338115A (en) * | 2022-09-15 | 2022-11-15 | 邓艳明 | Fertilizer grain selection device |
| CN115780232B (en) * | 2022-12-02 | 2023-08-04 | 深圳市宝安纯中医治疗医院 | Screening plant for pharmacy |
| CN115780232A (en) * | 2022-12-02 | 2023-03-14 | 深圳市宝安纯中医治疗医院 | Screening plant for pharmacy |
| CN116374665A (en) * | 2023-03-07 | 2023-07-04 | 华能云南滇东能源有限责任公司 | Colliery reposition of redundant personnel mechanism and conveyer |
| CN116374665B (en) * | 2023-03-07 | 2023-09-19 | 华能云南滇东能源有限责任公司 | Colliery reposition of redundant personnel mechanism and conveyer |
| CN116474862B (en) * | 2023-03-09 | 2023-11-24 | 营口新科耐火材料有限公司 | Screening equipment for production of electric smelting magnesium |
| CN116474862A (en) * | 2023-03-09 | 2023-07-25 | 营口新科耐火材料有限公司 | Screening equipment for production of electric smelting magnesium |
| CN117644027A (en) * | 2024-01-30 | 2024-03-05 | 云南凯瑞特工程机械设备有限公司 | Portable sand material screening device who carries on |
| CN117644027B (en) * | 2024-01-30 | 2024-04-09 | 云南凯瑞特工程机械设备有限公司 | Portable sand material screening device who carries on |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113019884A (en) | Efficient colliery screening plant | |
| CN101850337B (en) | Variable-gap roll shaft fruit and vegetable classifier | |
| CN201337987Y (en) | Fresh and dried fruit grader | |
| CN101823048A (en) | Garbage sorting device and method | |
| CN102225391A (en) | Multilevel rotary screen with spiral blade for processing garbage | |
| CN114798112A (en) | New energy automobile battery recovery unit | |
| CN206838468U (en) | A kind of chemical fertilizer screening machine | |
| CN110226771B (en) | Rubbing type automatic separating and recycling device for cigarette filter tip waste | |
| CN215466048U (en) | Charcoal processing with feeding edulcoration device | |
| CN212142939U (en) | Continuous broken sorting unit of raw coal | |
| CN202079022U (en) | Multi-stage rotary screen provided with helical blades and used for refuse disposal | |
| CN108580292A (en) | A kind of selection by winnowing screening plant for the power battery that gives up | |
| CN202398520U (en) | Roller screen | |
| CN214600253U (en) | Gravel transportation and filtration device for mine | |
| CN112246613B (en) | Vegetable seed autofilter device | |
| CN115013027A (en) | Ventilation equipment and method for coal mining mine | |
| CN200998708Y (en) | Mixing refuse bag breaking and sorting device | |
| CN110743644B (en) | Simple peanut kernel breaking device based on shell and kernel separation and screening separation | |
| CN112871282A (en) | Construction waste crushing device with screening mechanism and using method | |
| CN210187661U (en) | Modular splicing drum screen | |
| CN208612576U (en) | A kind of gold and silver ore screening installation | |
| CN113019513A (en) | Energy-concerving and environment-protective concrete crushing sorting facilities that uses | |
| CN2376342Y (en) | Flexible gearing double-layer cylinder cleaning screen | |
| CN217431640U (en) | Swing type granulator | |
| CN110882921A (en) | General grain loading machine with environment-friendly vibrating screen and pulse dust collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210625 |
|
| WW01 | Invention patent application withdrawn after publication |