CN112791939B

CN112791939B - Vibration coal separator

Info

Publication number: CN112791939B
Application number: CN202011537297.7A
Authority: CN
Inventors: 曹广海; 李俊楠; 李昆鹏; 李晓成; 王义涛; 付贵刚; 王峰; 姚国运; 张军晖; 陈维山
Original assignee: Linyi Mining Group Co Ltd
Current assignee: Shandong Energy Group Luxi Mining Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-12-21
Anticipated expiration: 2040-12-23
Also published as: CN112791939A

Abstract

The invention discloses a vibration coal separator which comprises a frame main body, wherein a vibration screen bed which is obliquely arranged is installed on the frame main body through a spring shock absorption seat, a vibration screen is fixed on the vibration screen bed, a material guide flat plate which is in butt joint with the vibration screen is arranged at the tail end of the vibration screen bed, an anti-blocking beating mechanism which is used for beating the bottom of the vibration screen is arranged at the bottom of the vibration screen bed, a swinging flushing mechanism which faces the vibration screen is arranged on the frame main body, the anti-blocking beating mechanism comprises a rotating shaft which is arranged at the bottom of the vibration screen through a positioning frame, a plurality of arc-shaped beating rods are hinged on the rotating shaft, compression springs are hinged between the arc-shaped beating rods and the rotating shaft, and a vibration exciter is arranged on the vibration screen bed. The invention has the characteristics of good coal dressing effect and good anti-blocking effect, and can effectively inhibit dust in the vibrating screening process of the vibrating screen, thereby greatly improving the coal dressing effect of the coal dressing machine.

Description

Vibration coal separator

Technical Field

The invention relates to the technical field of coal mining, in particular to a vibration coal separator.

Background

China is rich in coal resources and low in coal price, in recent years, a comprehensive utilization power station mainly burning inferior coal is rapidly developed at home, fuels mainly comprising coal ores and coal slime generally have the characteristics of viscosity, humidity, dirt, impurities and the like, a coal conveying system generally has the phenomena of blockage of a screening machine, low screening efficiency, high abrasion of a crusher, high energy consumption and the like, a coal separator generally adopts a vibrating screen to separate and screen coal, the screen is easily blocked by the coal slime or other impurities, and the coal separator with the blocked screen can lose normal functions.

Disclosure of Invention

The invention aims to provide a vibration coal separator. The invention has the characteristics of good coal dressing effect and good anti-blocking effect, and can effectively inhibit dust in the vibrating screening process of the vibrating screen, thereby greatly improving the coal dressing effect of the coal dressing machine.

The technical scheme of the invention is as follows: the utility model provides a vibration coal picker, includes the frame main part, install the reciprocating sieve bed that the slope set up through the spring shock mount in the frame main part, the reciprocating sieve bed is fixed with the reciprocating sieve screen cloth, the end of reciprocating sieve bed is equipped with the guide flat board with the reciprocating sieve screen cloth butt joint, the reciprocating sieve bed is equipped with the stifled beater mechanism that is used for patting reciprocating sieve bottom in the bottom that is located the reciprocating sieve screen cloth, the mechanism is washed in the last swing that is equipped with towards the reciprocating sieve screen cloth of frame main part, stifled beater mechanism sets up the axis of rotation in the reciprocating sieve bottom including the locating rack, articulated in the axis of rotation have a plurality of arcs to pat the beating rod, the arc is patted and is articulated between beating rod and the axis of rotation have compression spring, the reciprocating sieve bed is equipped with the vibrations vibration exciter.

In foretell vibration coal picker, the swing wash the mechanism including setting up the support frame in the frame main part, be equipped with the location crossbearer on the support frame, the top of location crossbearer is equipped with the guide rail, be equipped with a plurality of gliding movable blocks of guide rail along on the guide rail, it is a plurality of be equipped with the adjustable shelf between the bottom of movable block, be equipped with the shower nozzle that washes of a plurality of orientation vibrations screen cloth on the adjustable shelf.

In the vibration coal picker, the swing flushing mechanism is provided with a plurality of transmission shafts which are synchronously connected through the synchronous transmission mechanism, the synchronous transmission mechanism comprises a transmission shaft arranged on the positioning cross frame through a bearing seat, a reciprocating screw rod is connected between the end parts of the transmission shafts, a sliding block which reciprocates along the reciprocating screw rod is arranged on the reciprocating screw rod, and a connecting rod is arranged between the sliding block and the movable frame.

In the aforesaid vibration coal picker, the washing terminals including setting up the location base in the adjustable shelf bottom, be fixed with the inlet tube on the location base, the end connection of inlet tube has vertical decurrent rotatory connecting pipe, the rotating head that has the intake antrum is connected to the bottom of rotatory connecting pipe, be equipped with the different orifice of a plurality of orientations on the rotating head.

In the aforementioned vibration coal picker, be equipped with the drive on the location crossbearer and wash shower nozzle pivoted rotary mechanism, rotary mechanism is including setting up at the peripheral outer ring gear of rotating head, be fixed with the rack plate with outer ring gear meshing transmission through the location bracket on the location crossbearer.

In the aforesaid vibration coal picker, the bottom of frame main part is equipped with the liquid receiving funnel, the bottom of liquid receiving funnel is connected with solid-liquid separation mechanism, solid-liquid separation mechanism is including setting up the feed liquor pipe in the bottom and transversely setting up, the bottom of feed liquor pipe is equipped with the filter screen, the intraductal transport flood dragon that is equipped with of feed liquor, the bottom of feed liquor pipe is equipped with the water receiving tank, the tip of feed liquor pipe is equipped with and connects a sediment section of thick bamboo.

In the aforementioned vibration coal picker, a feed hopper is installed at the highest end of the frame main body through a damping frame, and a long-strip-shaped discharge port is arranged at the bottom of the feed hopper.

In the aforesaid vibration coal picker, be equipped with vibrations discharge mechanism in the feed hopper, vibrations discharge mechanism includes the curb plate that sets up at the feed hopper inboard through damping spring, form a storage cavity between curb plate and the feed hopper, the outer wall of curb plate is fixed with vibrations ejection of compact motor.

In the aforementioned vibration coal picker, a rubber anti-abrasion layer is disposed on one surface of the arc-shaped beating rod contacting the vibration screen.

Compared with the prior art, the invention has the following advantages:

1. the invention carries out periodic flapping to the bottom of the vibrating screen bed by the anti-blocking flapping mechanism with a specific mechanism, thereby flapping out objects clamped in the meshes of the vibrating screen, thereby playing the anti-blocking role, and utilizes the swinging flushing mechanism to flush the coal blocks screened by the vibrating screen, flush and remove the scraps, dust and mud in the coal blocks, and can effectively inhibit the dust in the vibrating screening process of the vibrating screen, thereby greatly improving the coal sorting effect of the coal sorting machine, wherein the anti-blocking flapping mechanism drives the rotating shaft to rotate mainly by the driving motor when flapping to the bottom of the vibrating screen, so that the arc-shaped flapping rod rotates, the arc-shaped flapping rod contacts with the bottom of the vibrating screen to flap in the rotating process of the arc-shaped flapping rod, and a compression spring is hinged between the arc-shaped flapping rod and the rotating shaft, make the arc clap the bottom of beating pole and vibrations screen cloth be elastic contact to effectively avoided the arc to clap the pole and take place rigid contact with vibrations screen cloth, and cause the damage to vibrations screen cloth, reduced the life of vibrations screen cloth.

2. The invention washes the coal briquette by arranging the swinging washing mechanism with a specific structure, can effectively wash and clean the scraps, dust and soil in the coal briquette, mainly synchronously drives a plurality of swinging washing mechanisms to swing through the synchronous transmission mechanism, so as to wash the scraps, dust and soil in the coal briquette by utilizing the swinging washing mechanisms, wherein the swinging washing mechanisms form swinging water flow to play a role in turning and stirring the coal briquette, and has better washing effect Dust and mud are washed and removed completely, thereby having better coal dressing effect.

3. The invention washes and removes the scraps, dust and mud in the coal briquette by arranging the washing nozzle with a specific structure, the washing nozzle is synchronously driven to rotate in the swinging process of the swinging washing mechanism so as to form a rotating water flow, the rotating water flow simultaneously carries out reciprocating motion, and the scraps, dust and mud in the coal briquette can be effectively washed and removed under the effective combination of the rotating water flow and the rotating water flow, so that the coal briquette has a better coal dressing effect.

4. The invention separates the sewage generated in the flushing process by the solid-liquid separation mechanism, thereby facilitating the reuse of the flushing wastewater.

5. According to the invention, the vibration discharging mechanism with a specific mechanism is arranged in the feeding hopper, so that the phenomenon of material clamping in the feeding hopper is effectively avoided, and the feeding hopper cannot be driven to vibrate, thereby effectively reducing the vibration of the whole device.

6. The rubber anti-abrasion layer is arranged on the surface, in contact with the vibrating screen, of the arc-shaped beating rod, so that an anti-abrasion effect is achieved, and the vibrating screen is prevented from being seriously damaged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of an oscillating flushing mechanism;

fig. 3 is a schematic view of an inner structure of the spin head;

fig. 4 is a schematic structural view of the rotating mechanism;

FIG. 5 is a schematic structural view of a solid-liquid separation mechanism;

fig. 6 is a schematic structural diagram of the vibration discharging mechanism.

1. A frame body; 2. a spring damper seat; 3. vibrating the sieve bed; 4. vibrating the screen; 5. a material guiding flat plate; 6. an anti-blocking flapping mechanism; 7. a swing flushing mechanism; 8. a positioning frame; 9. a rotating shaft; 10. an arc-shaped beating rod; 11. a compression spring; 12. vibrating a vibration exciter; 13. a support frame; 14. positioning the transverse frame; 15. a guide rail; 16. a movable block; 17. a movable frame; 18. washing the spray head; 19. a synchronous transmission mechanism; 20. a bearing seat; 21. a drive shaft; 22. a reciprocating screw rod; 23. a slider; 24. a connecting rod; 25. a positioning base; 26. a water inlet pipe; 27. rotating the connecting pipe; 28. a water inlet cavity; 29. rotating the head; 30. spraying a hole; 31. a rotation mechanism; 32. an outer ring gear; 33. a positioning bracket; 34. a rack plate; 35. a liquid receiving funnel; 36. a solid-liquid separation mechanism; 37. a liquid inlet pipe; 38. filtering with a screen; 39. conveying a flood dragon; 40. a water receiving tank; 41. a slag receiving cylinder; 42. a shock-absorbing mount; 43. a feed hopper; 44. a discharge port; 45. vibrating the discharging mechanism; 46. a damping spring; 47. a side plate; 48. a material storage cavity; 49. vibrating a discharging motor; 51. a drive motor; 52. a speed reducing motor.

Detailed Description

The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.

Example (b): a vibration coal separator is shown in figures 1-6 and comprises a frame body 1, a vibration sieve bed 3 which is obliquely arranged is arranged on the frame body 1 through a spring shock absorption seat 2, a vibrating screen 4 is fixed on the vibrating screen bed 3, a material guide flat plate 5 butted with the vibrating screen 4 is arranged at the tail end of the vibrating screen bed 3, the vibrating screen bed 3 is provided with an anti-blocking beating mechanism 6 which is used for beating the bottom of the vibrating screen 4 at the bottom of the vibrating screen 4, the frame body 1 is provided with a swinging flushing mechanism 7 facing the vibrating screen 4, the anti-blocking beating mechanism 6 comprises a positioning frame 8 and a rotating shaft 9 arranged at the bottom of the vibrating screen 4, articulated on the axis of rotation 9 have a plurality of arcs to clap pole 10, it has pressure spring 11 to clap to articulate between pole 10 and the axis of rotation 9 to have the arc, reciprocating sieve bed 3 is equipped with vibrations vibration exciter 12. The invention carries out periodic flapping to the bottom of the vibrating screen bed 3 by arranging the anti-blocking flapping mechanism 6 of a specific mechanism, thereby flapping out objects clamped in meshes of the vibrating screen 4, thereby playing the anti-blocking role, and uses the swinging flushing mechanism 7 to flush coal blocks screened by the vibrating screen 4, flush and remove scraps, dust and mud in the coal blocks, and can effectively inhibit the dust in the vibrating screening process of the vibrating screen 4, thereby greatly improving the coal sorting effect of the coal sorting machine, wherein when the anti-blocking flapping mechanism 6 flaps the bottom of the vibrating screen 4, the anti-blocking flapping mechanism mainly drives the rotating shaft 9 to rotate by the driving motor 51, so that the arc-shaped flapping rod 10 rotates, contacts with the bottom of the vibrating screen 4 to flap in the rotating process of the arc-shaped flapping rod 10, wherein a compression spring 11 is hinged between the arc-shaped flapping rod 10 and the rotating shaft 9, make the arc clap the bottom of beating rod 10 and vibrations screen cloth 4 be elastic contact to effectively avoided the arc to clap beating rod 10 and take place rigid contact with vibrations screen cloth 4, and led to the fact the damage to vibrations screen cloth 4, reduced vibrations screen cloth 4's life.

Swing washing mechanism 7 including setting up support frame 13 on frame main part 1, be equipped with location crossbearer 14 on the support frame 13, the top of location crossbearer 14 is equipped with guide rail 15, be equipped with a plurality of gliding movable block 16 of guide rail 15 along on the guide rail 15, it is a plurality of be equipped with adjustable shelf 17 between the bottom of movable block 16, be equipped with a plurality of washing terminals 18 towards vibrations screen cloth 4 on the adjustable shelf 17.

The swing flushing mechanism 7 is provided with a plurality of synchronous connection mechanisms 19, the synchronous connection mechanisms 19 comprise transmission shafts 21 arranged on the positioning transverse frame 14 through bearing seats 20, reciprocating screw rods 22 are connected between the end parts of the transmission shafts 21, sliding blocks 23 which reciprocate along the reciprocating screw rods 22 are arranged on the reciprocating screw rods 22, and connecting rods 24 are arranged between the sliding blocks 23 and the movable frame 17.

The washing nozzle 18 comprises a positioning base 25 arranged at the bottom of the movable frame 17, a water inlet pipe 26 is fixed on the positioning base 25, the end of the water inlet pipe 26 is connected with a vertically downward rotary connecting pipe 27, the bottom of the rotary connecting pipe 27 is connected with a rotary head 29 with a water inlet cavity 28, a plurality of spray holes 30 with different directions are arranged on the rotary head 29, the coal briquette washing device washes the coal briquettes by arranging a swinging washing mechanism 7 with a specific structure, can effectively wash and clean the scraps, dust and soil in the coal briquettes, and mainly synchronously drives a plurality of swinging washing mechanisms 7 to swing by a synchronous transmission mechanism 19 so as to wash the scraps, dust and soil in the coal briquettes by utilizing the swinging washing mechanism 7, wherein the swinging washing mechanism 7 forms swinging water flow to play a role in stirring the coal briquettes, have better cleaning performance, mainly rotate through the short transmission shaft 21 of gear motor 52, pivoted transmission shaft 21 axle drives reciprocal lead screw 22 and rotates, then slider 23 on the reciprocal lead screw 22 carries out reciprocating motion along reciprocal lead screw 22, reciprocating motion's slider 23 then drives adjustable shelf 17 through connecting rod 24 and carries out reciprocating swing along guide rail 15, thereby form reciprocating swing's washing rivers, utilize reciprocating swing's washing rivers can wash the piece in the coal cinder effectively, dust and earth are clear away, thereby have more coal dressing effect.

The positioning transverse frame 14 is provided with a rotating mechanism 31 for driving the washing nozzle 18 to rotate, the rotating mechanism 31 comprises an outer gear ring 32 arranged on the periphery of the rotating head 29, a rack plate 34 in meshing transmission with the outer gear ring 32 is fixed on the positioning transverse frame 14 through a positioning bracket 33, the washing nozzle 18 with a specific structure is arranged for washing and removing the scraps, dust and soil in the coal briquette, the washing nozzle 18 is synchronously driven to rotate in the swinging process of the swinging washing mechanism 7 so as to form a rotating water flow, the rotating water flow simultaneously carries out reciprocating motion, the scraps, dust and soil in the coal briquette can be effectively washed and removed under the effective combination of the two, so that the coal dressing effect is better, mainly, when the movable frame 17 carries out reciprocating swinging motion, the outer gear ring 32 on the periphery of the rotating head 29 is meshed with the rack plate 34 so as to drive the rotating head 29 to rotate, therefore, the water flow sprayed out of the spray holes 30 of the rotating head 29 is rotating water flow, the rotating water flow is utilized to play a role in stirring and turning the coal briquettes, and the flushing and removing effects of the fragments, dust and mud in the coal briquettes are improved.

The bottom of the frame body 1 is provided with a liquid receiving funnel 35, the bottom of the liquid receiving funnel 35 is connected with a solid-liquid separation mechanism 36, the solid-liquid separation mechanism 36 comprises a liquid inlet pipe 37 which is arranged at the bottom and transversely arranged, a filter screen 38 is arranged at the bottom of the liquid inlet pipe 37, a conveying flood dragon 39 is arranged in the liquid inlet pipe 37, a water receiving tank 40 is arranged at the bottom of the liquid inlet pipe 37, and a slag receiving barrel 41 is arranged at the end part of the liquid inlet pipe 37.

The highest end of the frame body 1 is provided with a feeding funnel 43 through a shock absorption frame 42, and the bottom of the feeding funnel 43 is provided with a strip-shaped discharging hole 44.

The feeding hopper 43 is internally provided with a vibration discharging mechanism 45, the vibration discharging mechanism 45 comprises a side plate 47 arranged on the inner side of the feeding hopper 43 through a damping spring 46, a material storage cavity 48 is formed between the side plate 47 and the feeding hopper 43, and a vibration discharging motor 49 is fixed on the outer wall of the side plate 47.

The arc is clapped the pole 10 and is equipped with rubber abrasionproof layer with the one side of vibrations screen cloth 4 contact, has played the effect of abrasionproof, avoids causing serious damage to vibrations screen cloth 4.

The working principle is as follows: the invention carries out periodic flapping to the bottom of the vibrating screen bed 3 by arranging the anti-blocking flapping mechanism 6 of a specific mechanism, thereby flapping out objects clamped in meshes of the vibrating screen 4, thereby playing the anti-blocking role, and uses the swinging flushing mechanism 7 to flush coal blocks screened by the vibrating screen 4, flush and remove scraps, dust and mud in the coal blocks, and can effectively inhibit the dust in the vibrating screening process of the vibrating screen 4, thereby greatly improving the coal sorting effect of the coal sorting machine, wherein when the anti-blocking flapping mechanism 6 flaps the bottom of the vibrating screen 4, the anti-blocking flapping mechanism mainly drives the rotating shaft 9 to rotate by the driving motor 51, so that the arc-shaped flapping rod 10 rotates, contacts with the bottom of the vibrating screen 4 to flap in the rotating process of the arc-shaped flapping rod 10, wherein a compression spring 11 is hinged between the arc-shaped flapping rod 10 and the rotating shaft 9, make the arc clap the bottom of beating rod 10 and vibrations screen cloth 4 be elastic contact to effectively avoided the arc to clap beating rod 10 and take place rigid contact with vibrations screen cloth 4, and led to the fact the damage to vibrations screen cloth 4, reduced vibrations screen cloth 4's life.

Claims

1. A vibration coal picker which is characterized in that: comprises a frame main body (1), a vibration sieve bed (3) which is obliquely arranged is arranged on the frame main body (1) through a spring shock absorption seat (2), a vibration sieve net (4) is fixed on the vibration sieve bed (3), the tail end of the vibration sieve bed (3) is provided with a guide flat plate (5) which is butted with the vibration sieve net (4), the bottom of the vibration sieve bed (3) positioned at the vibration sieve net (4) is provided with an anti-blocking beating mechanism (6) which is used for beating the bottom of the vibration sieve net (4), the frame main body (1) is provided with a swinging flushing mechanism (7) facing the vibration sieve net (4), the anti-blocking beating mechanism (6) comprises a rotating shaft (9) which is arranged at the bottom of the vibration sieve net (4) through a positioning frame (8), the rotating shaft (9) is hinged with a plurality of arc-shaped beating rods (10), and a compression spring (11) is hinged between the arc-shaped beating rods (10) and the rotating shaft (9), the vibrating screen bed (3) is provided with a vibrating vibration exciter (12), the swinging washing mechanism (7) comprises a support frame (13) arranged on a frame body (1), a positioning transverse frame (14) is arranged on the support frame (13), a guide rail (15) is arranged at the top of the positioning transverse frame (14), a plurality of movable blocks (16) sliding along the guide rail (15) are arranged on the guide rail (15), a plurality of movable frames (17) are arranged between the bottoms of the movable blocks (16), a plurality of washing nozzles (18) facing to the vibrating screen (4) are arranged on the movable frames (17), the swinging washing mechanism (7) is provided with a plurality of movable blocks and synchronously connected through a synchronous transmission mechanism (19), the synchronous transmission mechanism (19) comprises a transmission shaft (21) arranged on the positioning transverse frame (14) through a bearing seat (20), and a reciprocating screw rod (22) is connected between the end parts of the transmission shaft (21), the reciprocating screw rod (22) is provided with a sliding block (23) which reciprocates along the reciprocating screw rod (22), and a connecting rod (24) is arranged between the sliding block (23) and the movable frame (17).

2. The vibration coal separator as claimed in claim 1, wherein the washing nozzle (18) comprises a positioning base (25) arranged at the bottom of the movable frame (17), a water inlet pipe (26) is fixed on the positioning base (25), a vertically downward rotary connecting pipe (27) is connected to the end of the water inlet pipe (26), a rotary head (29) with a water inlet cavity (28) is connected to the bottom of the rotary connecting pipe (27), and a plurality of spray holes (30) with different orientations are arranged on the rotary head (29).

3. The vibration coal separator as claimed in claim 2, characterized in that the positioning cross frame (14) is provided with a rotating mechanism (31) for driving the washing nozzle (18) to rotate, the rotating mechanism (31) comprises an outer gear ring (32) arranged at the periphery of the rotating head (29), and a rack plate (34) meshed with the outer gear ring (32) and driven by the positioning cross frame (14) is fixed through a positioning bracket (33).

4. The vibration coal picker according to claim 1, wherein a liquid receiving funnel (35) is arranged at the bottom end of the frame body (1), a solid-liquid separation mechanism (36) is connected to the bottom of the liquid receiving funnel (35), the solid-liquid separation mechanism (36) comprises a liquid inlet pipe (37) which is arranged at the bottom and transversely arranged, a filter screen (38) is arranged at the bottom of the liquid inlet pipe (37), a conveying dragon (39) is arranged in the liquid inlet pipe (37), a water receiving tank (40) is arranged at the bottom of the liquid inlet pipe (37), and a slag receiving barrel (41) is arranged at the end of the liquid inlet pipe (37).

5. The vibrating coal separator according to claim 1, characterized in that the highest end of the frame body (1) is provided with a feed funnel (43) via a shock-absorbing frame (42), the bottom of the feed funnel (43) being provided with an elongated discharge opening (44).

6. The vibrating coal separator as recited in claim 5, characterized in that a vibrating discharging mechanism (45) is arranged in the feeding hopper (43), the vibrating discharging mechanism (45) comprises a side plate (47) arranged on the inner side of the feeding hopper (43) through a damping spring (46), a storage cavity (48) is formed between the side plate (47) and the feeding hopper (43), and a vibrating discharging motor (49) is fixed on the outer wall of the side plate (47).

7. The vibrating coal separator as recited in claim 1, characterized in that the side of the curved beating rod (10) in contact with the vibrating screen (4) is provided with a rubber anti-wear layer.