CN218013107U - Formula ball mill is swept to wind - Google Patents

Abstract

The utility model discloses a formula ball mill is swept to wind relates to ball mill technical field, specifically is a formula ball mill is swept to wind, including barrel, base and slide rail, the lateral wall of barrel is provided with the gear wheel, the one end fixedly connected with discharging pipe of barrel, the other end fixedly connected with inlet pipe of barrel, the fixed coal comb that is provided with of inside wall of barrel, the inside wall fixedly connected with slide rail of barrel. Through the setting of slide rail and scraper, make this wind sweep formula ball mill possess the effect of shoveling the coal cinder, cut off the coal comb simultaneously, reduced the area that the coal volume was pressed on the coal comb, the in-process of scraping the shovel to the barrel inside wall is carried out to the scraper simultaneously, can produce the power of lifting to the coal on the coal comb seam, can lift the coal from the comb seam at the in-process that uses, thereby played the effect that prevents the jam of coal comb seam, reached the purpose that improves ball mill work efficiency.

Description

Formula ball mill is swept to wind

Technical Field

The utility model relates to a ball mill technical field specifically is a formula ball mill is swept to wind.

Background

In the long-term operation of the ball mill, the grate seam of the coal grate is blocked by sundries brought by raw coal and crushed balls and crushed forgings in the mill, so that the ventilation of the ball mill is influenced, the output of the ball mill per machine hour is reduced, and the normal coal consumption of the kiln is insufficient in severe cases, so that the normal operation of the kiln is influenced.

Usually, when a grate gap is cleaned, a grinding door needs to be opened and then enters a first cabin of the ball mill, but 15 to 20 minutes are needed for opening the first grinding door, and 15 to 20 minutes are needed for closing the first grinding door; according to the coal consumption of the kiln, the ball mill can be stopped for 2 hours at most when the head coal bunker and the tail coal bunker are full, wherein the ball mill needs to be started about 20 minutes in advance so as to avoid that the ball mill cannot be started due to other faults and has no time for checking treatment. The actual cleaning working time of a person in the grinding is only about one hour, and sundries, broken balls and broken forgings on the grate joints of the clean coal grate cannot be completely cleaned; meanwhile, the coal balls entering the ball mill contain certain moisture, and the coal balls can be accumulated and adhered to the grate seams of the coal grate in the pulverization process, so that the grate seams are blocked, and the subsequent pulverization efficiency of the coal balls is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a formula ball mill is swept to wind has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a formula ball mill is swept to wind, includes barrel, base and slide rail, the lateral wall of barrel is provided with the gear wheel, the one end fixedly connected with discharging pipe of barrel, the other end fixedly connected with inlet pipe of barrel, the fixed coal comb that is provided with of inside wall of barrel, the inside wall fixedly connected with slide rail of barrel, slide rail lateral wall sliding connection has the slide-bar shaft, the lateral wall fixedly connected with pressure plate and the scraper of slide-bar shaft, the mill has been placed to the inside of barrel, the middle part inner wall fixedly connected with screen cloth of barrel, be provided with the dodge gate on the screen cloth.

Optionally, the outer side wall of the discharge pipe is rotatably connected with a first bearing, a first valve is arranged on the discharge pipe, a hole door is arranged on the side wall of the discharge pipe, and a ventilation pipe is fixedly connected above the discharge pipe; the vent pipe, the discharge pipe, the barrel body and the feed pipe are communicated.

Optionally, the outer side wall of the feeding pipe is rotatably connected with a second bearing, and a second valve is arranged on the feeding pipe.

Optionally, a motor is arranged above the base, an output shaft end of the motor is rotatably connected with a speed reducer, an output shaft end of the speed reducer is rotatably connected with a pinion, and the pinion is meshed with the gearwheel.

Optionally, the base is fixedly connected with the first bearing and the second bearing.

(III) advantageous effects

The utility model provides a formula ball mill is swept to wind possesses following beneficial effect:

1. this formula ball mill is swept to wind, through the setting of slide rail and scraper, make this formula ball mill is swept to wind possess the effect of shoveling the coal cinder, cut off the coal comb simultaneously, the area of coal volume pressure on the coal comb has been reduced, the scraper carries out the in-process of scraping the shovel to the barrel inside wall simultaneously, can produce the power of lifting to the coal on the coal comb seam, can lift the coal from the comb seam at the in-process that uses, thereby played the effect that prevents the jam of coal comb seam, the purpose that has reached improvement ball mill work efficiency.

2. This formula ball mill is swept to wind through the setting of aperture door and dodge gate, makes this formula ball mill is swept to wind possess and need not open the mill door and just can get into the effect in the barrel stoving storehouse and a ball mill storehouse, can save the time of clearing up the barrel at the in-process that uses, has reached the purpose that reduces ball mill dead time, has improved ball mill production efficiency.

Drawings

FIG. 1 is a schematic perspective view of an air swept ball mill according to the present invention;

FIG. 2 is a schematic cross-sectional view of the air swept ball mill cylinder of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of a sliding shaft of an air swept ball mill of the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 1 of the air swept ball mill of the present invention.

In the figure: 1. a cylinder body; 2. a base; 3. a first bearing; 4. a discharge pipe; 5. a hole door; 6. a ventilation pipe; 7. a first valve; 8. a bull gear; 9. a second valve; 10. a feed pipe; 11. a second bearing; 12. a motor; 13. a speed reducer; 14. a pinion gear; 15. grinding a medium; 16. a coal grate; 17. a slide rail; 18. a slide shaft; 19. a scraper; 20. a pressure plate; 21. and (4) screening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a wind swept ball mill comprises a cylinder body 1, a base 2 and a sliding rail 17, wherein the outer side wall of the cylinder body 1 is provided with a large gear 8, one end of the cylinder body 1 is fixedly connected with a discharge pipe 4, the other end of the cylinder body 1 is fixedly connected with a feed pipe 10, the outer side wall of the feed pipe 10 is rotatably connected with a second bearing 11, a second valve 9 is arranged on the feed pipe 10, the inner side wall of the cylinder body 1 is fixedly provided with a coal grate 16, the inner side wall of the cylinder body 1 is fixedly connected with the sliding rail 17, the outer side wall of the sliding rail 17 is slidably connected with a sliding shaft 18, the outer side wall of the sliding shaft 18 is fixedly connected with a pressure plate 20 and a scraper 19, a grinding medium 15 is placed inside the cylinder body 1, the middle inner wall of the cylinder body 1 is fixedly connected with a screen 21, and a movable door is arranged on the screen 21; the outer side wall of the discharge pipe 4 is rotatably connected with a first bearing 3, a first valve 7 is arranged on the discharge pipe 4, a hole door 5 is arranged on the side wall of the discharge pipe 4, and a ventilation pipe 6 is fixedly connected above the discharge pipe 4; the vent pipe 6, the discharge pipe 4, the cylinder body 1 and the feed pipe 10 are communicated; a motor 12 is arranged above the base 2, an output shaft end of the motor 12 is rotatably connected with a speed reducer 13, an output shaft end of the speed reducer 13 is rotatably connected with a small gear 14, and the small gear 14 is meshed with the large gear 8. The base 2 is fixedly connected with the first bearing 3 and the second bearing 11.

The first embodiment is as follows: connecting a ventilation pipe 6 with a ventilator, connecting a feeding pipe 10 with feeding equipment, and connecting a discharging pipe 4 with discharging equipment; the motor 12 is turned on, the motor 12 provides power and drives the barrel 1 to rotate by using the large gear 8 and the small gear 14 after passing through the speed reducer 13; the coal ball enters the cylinder body 1 through the feeding pipe 10, the cylinder body 1 is divided into a ball mill first bin and a drying bin by the screen 21, after the cylinder body 1 rotates, the coal ball and the grinding medium 15 are influenced by the rotation of the cylinder body 1, the coal ball and the grinding medium 15 shake in the cylinder body 1, the coal ball is beaten by the grinding medium 15, and meanwhile, coal blocks are shaken by the screen of the coal grate 16 to be gradually crushed, blocked and powdered; a part of coal blocks can be accumulated and adhered to the inner wall of the cylinder body 1 and can be accumulated and adhered to the grate seam 16 of the coal grate; the cylinder 1 can drive the sliding rail 17 to rotate in the rotating process, the sliding shaft 18 on the sliding rail 17 can rotate along with the sliding rail, but when the sliding shaft 18 moves from the low point of the sliding rail 17 to the high point, the sliding shaft 18 slides down along the sliding rail 17 from the high point under the influence of gravity and the gravity of the coal block or grinding medium 15 on the pressure plate 20, in the sliding process, the scraper 19 can scrape and lift coal accumulated on the inner wall of the cylinder 1, meanwhile, the coal grate 16 is separated by the sliding rails 17, the area of the coal accumulated pressure is reduced after the area of a single coal grate 16 is reduced, the adhesion strength of the accumulated coal is reduced, and after the accumulated coal on the inner wall of the cylinder 1 is scraped and lifted, the accumulated coal on the coal grate 16 can be lifted in a connecting manner, so that the blocking condition of the coal grate 16 seam can be effectively reduced, and the cleaning times of blockages in the cylinder 1 are reduced; when the raw coal briquette is changed into fragments or powder, the raw coal briquette can reach the drying bin from one bin of the ball mill through the screen 21 and then reach the discharge pipe 4 through the drying bin.

Example two: when sundries brought by raw coal in the barrel 1 are more, workers need to clean the sundries in the barrel 1. The staff opens the hole door 5 on the discharging pipe 4, gets into the discharging pipe 4 by the hole door 5, gets into the stoving storehouse of barrel 1 through the discharging pipe 4, opens the dodge gate (the dodge gate is not shown in the figure) on the screen cloth 21 in the stoving storehouse, gets into a storehouse of ball mill through the dodge gate, then clears up the debris that the raw coal brought in. Before entering the cylinder 1, a worker must close and lock a hot air valve (not shown) on the ventilation duct 6, disconnect the power supply of the motor 12, and fully open a cold air inlet valve of a grinding head of the ball mill to reduce the temperature in the mill and avoid safety accidents. Compared with the mode that the hole door 5 enters the barrel body 1 and the grinding door enters the barrel body 1, the time for entering the barrel body 1 is greatly saved, and the phenomenon that the yield of the ball mill is greatly reduced due to long-time cleaning work is avoided.

The utility model discloses a theory of operation and beneficial effect: through the arrangement of the sliding rail 17 and the scraper 19, the air swept ball mill has the effect of shoveling coal blocks, and meanwhile, the coal grate 16 is cut off, so that the area of coal volume pressed on the coal grate 16 is reduced, and meanwhile, in the process of shoveling the inner side wall of the cylinder 1 by the scraper 19, the coal on the seam of the coal grate 16 can be lifted, and the coal can be lifted from the seam in the using process, so that the effect of preventing the seam of the coal grate 16 from being blocked is achieved, and the aim of improving the working efficiency of the ball mill is fulfilled; through the setting of aperture door 5 and dodge gate, make this wind sweep formula ball mill possess and need not open the mill door and just can get into the effect in barrel 1 stoving storehouse and a ball mill storehouse, can save the time of clearing up barrel 1 at the in-process that uses, reached the purpose that reduces ball mill dead time, improved ball mill production efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a formula ball mill is swept to wind, includes barrel (1), base (2) and slide rail (17), its characterized in that: the lateral wall of barrel (1) is provided with gear wheel (8), the one end fixedly connected with discharging pipe (4) of barrel (1), the other end fixedly connected with inlet pipe (10) of barrel (1), the fixed coal comb (16) that is provided with of inside wall of barrel (1), the inside wall fixedly connected with slide rail (17) of barrel (1), slide rail (17) lateral wall sliding connection has slide shaft (18), lateral wall fixedly connected with pressure plate (20) and scraper (19) of slide shaft (18), mill medium (15) have been placed to the inside of barrel (1), the middle part inner wall fixedly connected with screen cloth (21) of barrel (1), be provided with the dodge gate on screen cloth (21).

2. An air swept ball mill as claimed in claim 1, wherein: the outer side wall of the discharge pipe (4) is rotatably connected with a first bearing (3), a first valve (7) is arranged on the discharge pipe (4), a hole door (5) is arranged on the side wall of the discharge pipe (4), and a ventilation pipe (6) is fixedly connected above the discharge pipe (4); the ventilation pipe (6), the discharge pipe (4), the barrel body (1) and the feed pipe (10) are communicated.

3. An air swept ball mill as claimed in claim 1, wherein: the outer side wall of the feeding pipe (10) is rotatably connected with a second bearing (11), and a second valve (9) is arranged on the feeding pipe (10).

4. An air swept ball mill as claimed in claim 1, wherein: the top of base (2) is provided with motor (12), the output shaft end rotation of motor (12) is connected with reduction gear (13), the output shaft end rotation of reduction gear (13) is connected with pinion (14), pinion (14) and gear wheel (8) meshing.

5. An air swept ball mill as claimed in claim 1, wherein: the base (2) is fixedly connected with the first bearing (3) and the second bearing (11).

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