CN217962737U - Fly ash sieving mechanism is used in flue production - Google Patents
Fly ash sieving mechanism is used in flue production Download PDFInfo
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- CN217962737U CN217962737U CN202221357616.0U CN202221357616U CN217962737U CN 217962737 U CN217962737 U CN 217962737U CN 202221357616 U CN202221357616 U CN 202221357616U CN 217962737 U CN217962737 U CN 217962737U
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Abstract
The utility model discloses a fly ash screening device for flue production, which comprises a stirring box and a screening box; a stirring device is arranged in the inner cavity of the stirring box; the bottom of the stirring box is communicated with a material guide pipe; a screening roller is rotatably arranged in the inner cavity of the screening box; one end of the material guide pipe extends into the inner cavity of the screening roller. This application can realize breaking up earlier the function of screening behind the caking, and screening effect is good, effectively avoids fly ash extravagant.
Description
Technical Field
The utility model relates to a fly ash treatment facility technical field especially relates to a fly ash sieving mechanism is used in flue production.
Background
Fly ash is fine ash collected from flue gas generated after coal combustion, and is main solid waste discharged from coal-fired power plants. The fly ash is added into the concrete to improve the workability of concrete mixture and enhance the pumpability of the concrete. The collected and paved fly ash has different particle sizes and is easy to be hardened and agglomerated by being affected with damp. The existing fly ash screening device can only realize the screening function, can not well break up agglomerates, has poor screening effect, and causes waste due to screening of the fly ash agglomerates.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the to-be-solved technical problem of the utility model is to provide a fly ash sieving mechanism is used in flue production can realize breaking up the function of screening behind the caking earlier, sieves effectually, effectively avoids fly ash extravagant.
The utility model provides a technical scheme as follows:
a fly ash screening device for flue production comprises a stirring box and a screening box; a stirring device is arranged in the inner cavity of the stirring box; the bottom of the stirring box is communicated with a material guide pipe; a screening roller is rotatably arranged in the inner cavity of the screening box; one end of the material guide pipe extends into the inner cavity of the screening roller.
Further, the stirring device comprises a stirring shaft which is rotatably arranged in the inner cavity of the stirring box, and one end of the stirring shaft is connected with the first motor; the stirring shaft is provided with a plurality of stirring rods.
Further, the inner cavity of the screening box is positioned above the screening roller and is rotatably provided with a rotating shaft, and one end of the rotating shaft is connected with a second motor; driving gears are arranged at two ends of the rotating shaft; the outer wall of the screening roller is fixedly connected with a driven gear meshed with the driving gear.
Further, a brush is arranged on the rotating shaft; one end of the brush is abutted against the outer wall of the screening roller.
Further, the inner wall of the screening roller is fixedly connected with a spiral feeding blade; one end of the screening box, which is opposite to the material guide pipe, is communicated with a second material outlet; the bottom of screening case intercommunication has first discharge gate.
Furthermore, a circulating air pipe is communicated between the lower part of the screening box and the upper part of the stirring box, and a fan and a heater are installed on the circulating air pipe; the inner wall of the screening box is positioned at the joint of the circulating air pipe and is provided with a filter screen.
Furthermore, a material collecting hopper is connected to the inner cavity of the stirring box below the stirring device; an outlet at the bottom end of the aggregate bin is communicated with one end of the material guide pipe; the material guide pipe penetrates through the bottom plate of the stirring box.
Furthermore, a plurality of through holes are formed in the aggregate bin.
Further, the bottom plate is obliquely arranged; and a third discharge hole is communicated with the side wall of one side of the stirring box, which is close to the lower end of the bottom plate.
Further, the top of the stirring box is communicated with a feeding funnel; the top of pan feeding funnel is provided with the lid.
The utility model discloses possess following beneficial effect:
can fully break up the fly ash of caking through agitating unit, enter into the screening cylinder after breaking up in, along with the rotation of screening cylinder can go out the fly ash screening that satisfies the particle diameter requirement. This application can realize breaking up earlier the function of screening behind the caking, and screening effect is good, effectively avoids fly ash extravagant.
Drawings
Fig. 1 is a schematic overall structure diagram of the embodiment.
In the figure: 1. a stirring box; 2. a first motor; 3. a stirring shaft; 4. a stirring rod; 5. a material guide pipe; 6. screening the box; 7. a screening drum; 8. a spiral feeding blade; 9. a second motor; 10. a rotating shaft; 11. a driving gear; 12; a driven gear 13, a brush; 14. a first discharge port; 15. a second discharge port; 16. a circulating air duct; 17. a fan; 18. a heater; 19. a through hole; 20. a base plate; 21. a third discharge port; 22. a collection hopper; 23. a feeding funnel; 24. a cover body; 25. and (5) filtering by using a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, a fly ash screening device for flue production comprises a stirring box 1 and a screening box 6; a stirring device is arranged in the inner cavity of the stirring box 1; the bottom of the stirring box 1 is communicated with a material guide pipe 5; a screening roller 7 is rotatably arranged in the inner cavity of the screening box 6; one end of the guide pipe 5 extends into the inner cavity of the screening drum 7.
Above-mentioned fly ash sieving mechanism can fully break up the fly ash of caking through agitating unit, enters into screening cylinder 7 after breaking up in, can go out the fly ash screening that satisfies the particle diameter requirement along with screening cylinder 7 rotates.
Specifically, the stirring device comprises a stirring shaft 3 which is rotatably arranged in an inner cavity of the stirring box 1, and one end of the stirring shaft 3 is connected with the first motor 2; the stirring shaft 3 is provided with a plurality of stirring rods 4. First motor 2 drive (mixing) shaft 3 and puddler 4 rotate, and puddler 4 rotates, can break up the fly ash of caking.
Specifically, a rotating shaft 10 is rotatably arranged above the screening roller 7 in the inner cavity of the screening box 6, and one end of the rotating shaft 10 is connected with a second motor 9; driving gears 11 are mounted at both ends of the rotating shaft 10; the outer wall of the screening roller 7 is fixedly connected with a driven gear 12 meshed with the driving gear 11. The second motor 9 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the driving gear 11 to rotate, the driving gear 11 drives the driven gear 12 to rotate, the driven gear 12 drives the screening roller 7 to rotate, so that the fly ash entering the screening roller 7 rolls, and fly ash particles with the size smaller than meshes of the screening roller 7 drop to the lower portion of the inner cavity of the screening box 6.
Specifically, in order to prevent the mesh holes of the screening roller 7 from being blocked, the rotating shaft 10 is provided with a brush 13; one end of the brush 13 abuts against the outer wall of the screening drum 7. Screening cylinder 7 and brush 13 rotate the in-process, and brush 13 can clear up screening cylinder 7's mesh, avoids taking place to block up.
Specifically, the inner wall of the screening roller 7 is fixedly connected with a spiral feeding blade 8; one end of the screening box 6 opposite to the material guide pipe 5 is communicated with a second material outlet 15; the bottom end of the screening box 6 is communicated with a first discharge hole 14. The spiral feeding blade 8 rotates to gradually push out the fly ash particles which do not pass through meshes of the screening roller 7 and discharge the fly ash particles from the second discharge hole 15.
Specifically, a circulating air pipe 16 is communicated between the lower part of the screening box 6 and the upper part of the stirring box 1, and a fan 17 and a heater 18 are installed on the circulating air pipe 16; and a filter screen 25 is arranged on the inner wall of the screening box 6 at the joint of the circulating air pipe 16. The fan 17 pumps the gas in the screening box 6 to the circulating air pipe 16, and the gas is heated by the heater 18 and then enters the stirring box 1 to dry the fly ash.
Specifically, in order to facilitate discharging, a material collecting hopper 22 is connected below the stirring device in the inner cavity of the stirring box 1; an outlet at the bottom end of the aggregate bin 22 is communicated with one end of the material guide pipe 5; the material guide pipe 5 penetrates through the bottom plate 20 of the stirring tank 1.
Specifically, the collection hopper 22 is provided with a plurality of through holes 19. In the stirring process, smaller fly ash particles fall into the bottom of the inner cavity of the stirring box 1 through the through holes 19.
Specifically, the bottom plate 20 is arranged obliquely for facilitating discharging; a third discharge hole 21 is communicated with the side wall of the stirring box 1 close to the lower end of the bottom plate 20.
Specifically, in order to facilitate feeding, the top of the stirring box 1 is communicated with a feeding funnel 23; the top of the feeding funnel 23 is provided with a cover 24.
The utility model discloses theory of operation:
during operation, the fly ash to be treated is fed from the feeding hopper 23, and then the cover body 24 is covered. The first motor 2, the second motor 9, the fan 17 and the heater 18 are turned on. First motor 2 drive (mixing) shaft 3 and puddler 4 rotate, and puddler 4 rotates, can break up the fly ash of caking. Smaller fly ash particles meeting the requirement of the particle size in the stirring process fall into the bottom of the inner cavity of the stirring box 1 through the through hole 19 and are discharged from the third discharge hole 21. The rest fly ash enters the screening roller 7 through the material guide pipe 5. The second motor 9 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the driving gear 11 and the brush 13 to rotate, the driving gear 11 drives the driven gear 12 to rotate, and the driven gear 12 drives the screening roller 7 to rotate, so that the fly ash entering the screening roller 7 rolls, and fly ash particles with the size smaller than the meshes of the screening roller 7 fall to the lower part of the inner cavity of the screening box 6 and are discharged from the first discharge hole 14. The spiral feeding blade 8 rotates to gradually push out the fly ash particles which do not pass through meshes of the screening roller 7 and discharge the fly ash particles from the second discharge hole 15. Screening cylinder 7 and brush 13 rotate the in-process, and brush 13 can clear up screening cylinder 7's mesh, avoids taking place to block up. The fan 17 pumps the gas in the screening box 6 to the circulating air pipe 16, and the gas is heated by the heater 18 and then enters the stirring box 1 to dry the fly ash.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can 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 (10)
1. The utility model provides a fly ash sieving mechanism is used in flue production which characterized in that: comprises a stirring box (1) and a screening box (6); a stirring device is arranged in the inner cavity of the stirring box (1); the bottom of the stirring box (1) is communicated with a material guide pipe (5); a screening roller (7) is rotatably arranged in the inner cavity of the screening box (6); one end of the material guide pipe (5) extends into the inner cavity of the screening roller (7).
2. The fly ash screening device for flue production according to claim 1, characterized in that: the stirring device comprises a stirring shaft (3) which is rotatably arranged in the inner cavity of the stirring box (1), and one end of the stirring shaft (3) is connected with the first motor (2); the stirring shaft (3) is provided with a plurality of stirring rods (4).
3. The fly ash screening device for flue production according to claim 1 or 2, characterized in that: the inner cavity of the screening box (6) is positioned above the screening roller (7) and is rotatably provided with a rotating shaft (10), and one end of the rotating shaft (10) is connected with a second motor (9); driving gears (11) are mounted at two ends of the rotating shaft (10); the outer wall of the screening roller (7) is fixedly connected with a driven gear (12) meshed with the driving gear (11).
4. The fly ash screening device for flue production according to claim 3, characterized in that: a brush (13) is arranged on the rotating shaft (10); one end of the brush (13) is abutted against the outer wall of the screening roller (7).
5. The fly ash screening device for flue production according to claim 4, characterized in that: the inner wall of the screening roller (7) is fixedly connected with a spiral feeding blade (8); one end of the screening box (6) opposite to the material guide pipe (5) is communicated with a second material outlet (15); the bottom end of the screening box (6) is communicated with a first discharge hole (14).
6. The fly ash screening device for flue production according to claim 1, characterized in that: a circulating air pipe (16) is communicated between the lower part of the screening box (6) and the upper part of the stirring box (1), and a fan (17) and a heater (18) are installed on the circulating air pipe (16); and a filter screen (25) is arranged on the joint of the circulating air pipe (16) on the inner wall of the screening box (6).
7. The fly ash screening device for flue production according to claim 1, characterized in that: a material collecting hopper (22) is connected below the stirring device in the inner cavity of the stirring box (1); an outlet at the bottom end of the aggregate hopper (22) is communicated with one end of the material guide pipe (5); the material guide pipe (5) penetrates through a bottom plate (20) of the stirring box (1).
8. The fly ash screening device for flue production according to claim 7, characterized in that: the aggregate bin (22) is provided with a plurality of through holes (19).
9. The fly ash screening device for flue production according to claim 8, characterized in that: the bottom plate (20) is obliquely arranged; and a third discharge hole (21) is communicated with the side wall of one side of the stirring box (1) close to the lower end of the bottom plate (20).
10. The fly ash screening device for flue production according to claim 1, characterized in that: the top of the stirring box (1) is communicated with a feeding funnel (23); the top of the feeding funnel (23) is provided with a cover body (24).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221357616.0U CN217962737U (en) | 2022-06-01 | 2022-06-01 | Fly ash sieving mechanism is used in flue production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221357616.0U CN217962737U (en) | 2022-06-01 | 2022-06-01 | Fly ash sieving mechanism is used in flue production |
Publications (1)
Publication Number | Publication Date |
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CN217962737U true CN217962737U (en) | 2022-12-06 |
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CN202221357616.0U Active CN217962737U (en) | 2022-06-01 | 2022-06-01 | Fly ash sieving mechanism is used in flue production |
Country Status (1)
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2022
- 2022-06-01 CN CN202221357616.0U patent/CN217962737U/en active Active
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