CN217431255U

CN217431255U - Dust collector of ball mill

Info

Publication number: CN217431255U
Application number: CN202221178847.5U
Authority: CN
Inventors: 孙三军; 郝永峰; 樊利剑; 王海涛; 许婧贤; 孟秀芳
Original assignee: Shanxi Dadi Environmental Resources Co ltd
Current assignee: Shanxi Dadi Environmental Resources Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-09-16
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a ball mill dust collector, the first dust collection box of mount one side fixedly connected with, mount upper end fixedly connected with air exhauster, the output fixedly connected with blast pipe of air exhauster, blast pipe other end fixed connection is at cyclone upper end lateral wall, the lower extreme gomphosis is connected in first dust collection box upper end among the cyclone, first dust collection box one side fixedly connected with second dust collection box, second dust collection box upper end fixedly connected with intake pipe, intake pipe other end fixed connection is on the cyclone top, first fender ring of fixedly connected with and second fender ring on the second dust collection box inside wall, fixedly connected with filter bag between the inboard of first fender ring and second fender ring, filter bag middle part fixedly connected with trembles the dirt device, second dust collection box lateral wall fixedly connected with exhaust pipe. The utility model aims at providing a reduce fly ash and outwards waft, reduce ball mill work and to the influence of outside air, effectively collect fly ash, reduce the ball mill dust collector of loss.

Description

Dust collector of ball mill

Technical Field

The utility model relates to a colliery processing technology field, specific ball mill dust collector that says so.

Background

In recent years, due to the increasing of coal-fired units and the increasing of the scale of thermal power plants, the emission amount of fly ash is increased sharply. At present, the coal-fired power plant part adopts a sorting mode to produce commercial fly ash, the efficiency is low, most of the sorted coarse ash is discharged as waste, and secondary pollution is generated; the other part of coal-fired power plants adopt a ball milling and grinding process to produce the commercial fly ash.

The ball milling and grinding equipment is generally carried out by a ball mill, and the ball mill is the key equipment for crushing materials after the materials are crushed. When the ore mill is used, the raw ash of a power plant is firstly fed into a feeding hole of the hoister, a discharging hole of the hoister is connected with a feeding hole of the classifier, a coarse ash outlet of the classifier is connected with a feeding hole of the ball mill, a discharging hole of the ball mill is connected with a raw ash feeding hole of the hoister, the ball mill and the classifier generate dust-containing gas in the working process or generate a large amount of fly ash, and the fly ash can escape into the air to influence the quality of the air around the equipment.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a reduce fly ash and outwards waft, reduce ball mill work and to the influence of outside air, effectively collect fly ash, reduce the ball mill dust collector of loss.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a dust collector of a ball mill comprises a fixing frame, a cyclone dust collector, a first dust collection box and a second dust collection box, wherein the first dust collection box is fixedly connected to one side of the fixing frame, an exhaust fan is fixedly connected to the upper end of the fixing frame, an input end of the exhaust fan is fixedly connected with a dust collection pipe, the other end of the dust collection pipe is connected with an air outlet of a classifier, an output end of the exhaust fan is fixedly connected with an air supply pipe, the other end of the air supply pipe is fixedly connected to the side wall of the upper end of the cyclone dust collector, the middle lower end of the cyclone dust collector is connected to the upper end of the first dust collection box in an embedded mode, one side of the first dust collection box is fixedly connected with the second dust collection box, an air inlet pipe is fixedly connected to the upper end of the second dust collection box, the other end of the air inlet pipe is fixedly connected to the top end of the cyclone dust collector, the inner side wall of the upper end of the second dust collection box is fixedly connected with a first retaining ring, and the inner side wall of the lower end of the second dust collection box is fixedly connected with a second retaining ring, first fender ring and second fender ring set up about second dust collection box middle part symmetry, and first fender ring and second fender ring are hopper-shaped structure, first fender ring and second keep off the inboard edge of ring on fixed ring of fixedly connected with respectively, the fixedly connected with dust filter bag between the fixed ring, dust filter bag middle part fixedly connected with shakes the dirt device, second dust collection box lateral wall fixedly connected with exhaust pipe, the exhaust pipe sets up between first fender ring and the second fender ring.

Cyclone includes barrel, conical duct, dust exhaust pipe, blast pipe one end fixed connection is at barrel upper end lateral wall, just the blast pipe sets up with the barrel lateral wall is tangent, barrel upper end top fixedly connected with intake pipe, just the terminal downwardly extending of intake pipe is in the barrel, barrel lower extreme fixedly connected with conical duct, the gomphosis in the middle part of the conical duct outside is connected in first dust collection box upper end, the conical duct lower extreme extends to in the first dust collection box, the terminal fixedly connected with dust exhaust pipe in conical duct bottom.

The dust cleaning device comprises a first dust collection box, a second dust collection box, a dust cleaning opening, a closed door and a lock catch, wherein the dust cleaning opening is formed in one side of the lower end of the first dust collection box and one side of the lower end of the second dust collection box respectively, the edge of one side of the dust cleaning opening is hinged to the closed door, and the other side of the closed door and the edge of the dust cleaning opening are fixedly connected with the lock catch.

Tremble dirt device and include go-between, connecting rod, fixed block, gangbar, installation shell, lifter plate, cam, driving motor, strain dirt bag middle part fixedly connected with go-between, the go-between middle part is provided with the fixed block, a plurality of connecting rods of fixedly connected with between fixed block and the go-between inside wall, fixed block lower extreme fixedly connected with gangbar, the gangbar end sets up in the installation shell, just be connected for the sliding sleeve between gangbar and the installation shell upper end, gangbar lower extreme fixedly connected with lifter plate, lifter plate swing joint is in the installation shell, the lifter plate lower extreme is contradicted and is connected with the cam, cam middle part fixed connection is in driving motor's pivot, driving motor fixed connection is bottom in the installation shell.

And a spring is connected to the upper sliding sleeve of the linkage rod between the upper end of the lifting plate and the top of the mounting shell.

The utility model has the advantages that: this device separates and intercepts the fly ash in the gas respectively through cyclone and dust filter bag, has improved the collection effect of fly ash, prevents that fly ash from discharging the external world, has reduced the influence of fly ash to the external air quality on the one hand, and on the other hand has played the collection to fly ash and has recycled the purpose, has reduced in the ball mill working process, the loss that the fly ash loss brought.

Drawings

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

FIG. 2 is a schematic diagram of a detail structure of part A1 in FIG. 1;

FIG. 3 is a schematic diagram illustrating a detailed structure of a part A2 in FIG. 1;

fig. 4 is a side sectional view of the second dust box.

In the figure: the dust cleaning device comprises a first dust collection box 1, a second dust collection box 2, an exhaust fan 3, a dust collection pipe 4, an air supply pipe 5, an air inlet pipe 6, a first retaining ring 7, a second retaining ring 8, a fixing ring 9, a dust filtering bag 10, an exhaust pipe 11, a barrel 12, a conical pipe 13, a dust exhaust pipe 14, a dust cleaning opening 15, a sealed door 16, a connecting ring 17, a connecting rod 18, a fixing block 19, a linkage rod 20, a mounting shell 21, a lifting plate 22, a cam 23, a driving motor 24 and a spring 25.

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.

Referring to fig. 1-4, a dust collector of a ball mill comprises a fixing frame, a cyclone dust collector, a first dust collecting box 1 and a second dust collecting box 2, wherein the first dust collecting box 1 and the second dust collecting box 2 are used for collecting fly ash, the fixing frame is used for fixing and supporting an exhaust fan 3, the cyclone dust collector is used for separating the fly ash in gas, one side of the fixing frame is fixedly connected with the first dust collecting box 1, the upper end of the fixing frame is fixedly connected with the exhaust fan 3, the input end of the exhaust fan 3 is fixedly connected with a dust collecting pipe 4, the other end of the dust collecting pipe 4 is connected with an air outlet of a classifier, the output end of the exhaust fan 3 is fixedly connected with an air supply pipe 5, the other end of the air supply pipe 5 is fixedly connected with the side wall of the upper end of the cyclone dust collector, the middle lower end of the cyclone dust collector is embedded and connected with the upper end of the first dust collecting box 1, one side of the first dust collecting box 1 is fixedly connected with the second dust collecting box 2, the upper end of the second dust collecting box 2 is fixedly connected with an air inlet pipe 6, the other end of the air inlet pipe 6 is fixedly connected with the top end of the cyclone dust collector, the inner side wall of the upper end of the second dust collection box 2 is fixedly connected with a first baffle ring 7, the inner side wall of the lower end of the second dust collection box 2 is fixedly connected with a second baffle ring 8, the first baffle ring 7 and the second baffle ring 8 are symmetrically arranged about the middle part of the second dust collection box 2, the first baffle ring 7 and the second baffle ring 8 are both funnel-shaped structures, the inner side edges of the first baffle ring 7 and the second baffle ring 8 are respectively and fixedly connected with a fixing ring 9, a dust filtering bag 10 is fixedly connected between the fixing rings 9, the middle part of the dust filtering bag 10 is fixedly connected with a dust shaking device, the outer side wall of the second dust collection box 2 is fixedly connected with an exhaust pipe 11, the exhaust pipe 11 is arranged between the first baffle ring 7 and the second baffle ring 8, when the ball mill is used, a large amount of fly ash can be generated in the ball mill during the process of crushing coal blocks, in order to prevent the fly ash from escaping to the outside, the fly ash in the ball mill is extracted by the exhaust fan 3, then the fly ash is separated through a cyclone dust collector, the separated fly ash falls into the first dust collection box 1 for collection, the purified gas is conveyed into the second dust collection box 2 through an air inlet pipe, then the gas is discharged from the exhaust pipe 11 after being filtered by the dust filter bag 10, the dust filter bag 10 is used for intercepting a small amount of fly ash which cannot be separated by the cyclone dust collector, the dust shaking device is used for shaking the dust filter bag 10 to enable the intercepted fly ash on the dust filter bag 10 to shake downwards, so that the part of fly ash falls at the bottom of the second dust collection box 2, and the fly ash collection effect can be improved through double interception and separation.

The cyclone dust collector comprises a cylinder body 12, a conical pipe 13 and a dust exhaust pipe 14, wherein one end of an air supply pipe 5 is fixedly connected with the upper end side wall of the cylinder body 12, the air supply pipe 5 is arranged in a tangent manner with the side wall of the cylinder body 12, the top of the upper end of the cylinder body 12 is fixedly connected with an air inlet pipe 6, the tail end of the air inlet pipe 6 extends into the cylinder body 12 downwards, the lower end of the cylinder body 12 is fixedly connected with the conical pipe 13, the middle part of the outer side of the conical pipe 13 is embedded and connected with the upper end of a first dust collection box 1, the lower end of the conical pipe 13 extends into the first dust collection box 1, the tail end of the bottom of the conical pipe 13 is fixedly connected with the dust exhaust pipe 14, when in use, air enters the cylinder body 12 from the air supply pipe 5 and rotates downwards along the inner wall of the cylinder body 12 in a spiral manner, coal ash in the air is thrown to the inner wall of the cylinder body 12 under the action of centrifugal force, falls into the conical pipe 13 under the action of gravity, slides downwards along the inner part of the conical pipe 13, and finally falls into the first dust collection box 1 through the dust exhaust pipe 14, the purified gas is discharged from the air inlet pipe penetrating the middle of the cylinder 12.

The dust cleaning opening 15 is formed in one side of the lower end of each of the first dust collection box 1 and the second dust collection box 2 respectively, the edge of one side of the dust cleaning opening 15 is hinged to the sealed door 16, and the other side of the sealed door 16 and the edge of the dust cleaning opening 15 are fixedly connected with the lock catch and are used for cleaning the fly ash in the first dust collection box 1 and the second dust collection box 2 respectively.

The dust shaking device comprises a connecting ring 17, connecting rods 18, a fixed block 19, a linkage rod 20, a mounting shell 21, a lifting plate 22, a cam 23 and a driving motor 24, the middle part of the dust filtering bag 10 is fixedly connected with the connecting ring 17, the middle part of the connecting ring 17 is provided with the fixed block 19, a plurality of connecting rods 18 are fixedly connected between the fixed block 19 and the inner side wall of the connecting ring 17, the lower end of the fixed block 19 is fixedly connected with the linkage rod 20, the tail end of the linkage rod 20 is arranged in the mounting shell 21, the linkage rod 20 is connected with the upper end of the mounting shell 21 through a sliding sleeve, the lower end of the linkage rod 20 is fixedly connected with the lifting plate 22, the lifting plate 22 is movably connected in the mounting shell 21, the lower end of the lifting plate 22 is connected with the cam 23 in a butting manner, the middle part of the cam 23 is fixedly connected on a rotating shaft of the driving motor 24, the driving motor 24 is fixedly connected at the bottom in the mounting shell 21, the linkage rod 20 between the upper end of the lifting plate 22 and the top of the mounting shell 21 is connected with a spring 25 through a sliding sleeve, when the coal ash shaking device is used, the driving motor 24 drives the cam 23 to rotate, the cam 23 drives the lifting plate 22 to reciprocate up and down in the mounting shell 21, the lifting plate 22 drives the linkage rod 20 to shake up and down, the linkage rod 20 drives the fixed block 19 to shake up and down, the fixed block 19 drives the connecting ring 17 to shake up and down through the connecting rod 18, and the connecting ring 17 drives the middle part of the dust filter bag 10 to shake up and down, so that coal ash on the dust filter bag 10 is shaken off.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a ball mill dust collector, includes mount, cyclone, first dust collection box (1), second dust collection box (2), its characterized in that: a first dust collection box (1) is fixedly connected to one side of the fixing frame, an exhaust fan (3) is fixedly connected to the upper end of the fixing frame, a dust suction pipe (4) is fixedly connected to the input end of the exhaust fan (3), the other end of the dust suction pipe (4) is connected with an air outlet of the classifier, an air supply pipe (5) is fixedly connected to the output end of the exhaust fan (3), the other end of the air supply pipe (5) is fixedly connected to the upper end side wall of the cyclone dust collector, the middle lower end of the cyclone dust collector is connected to the upper end of the first dust collection box (1) in an embedded mode, a second dust collection box (2) is fixedly connected to one side of the first dust collection box (1), an air inlet pipe (6) is fixedly connected to the upper end of the second dust collection box (2), the other end of the air inlet pipe (6) is fixedly connected to the top end of the cyclone dust collector, and a first retaining ring (7) is fixedly connected to the inner side wall of the upper end of the second dust collection box (2), fixedly connected with second fender ring (8) on second dust collection box (2) lower extreme inside wall, first fender ring (7) keep off ring (8) and set up about second dust collection box (2) middle part symmetry with the second, first fender ring (7) keep off the interior side edge of ring (8) with the second on respectively fixedly connected with solid fixed ring (9), fixedly connected with strains dirt bag (10) between solid fixed ring (9), strain dirt bag (10) middle part fixedly connected with and tremble the dirt device, second dust collection box (2) lateral wall fixedly connected with exhaust pipe (11), exhaust pipe (11) set up first fender ring (7) and second keep off between ring (8).

2. The dust collector of the ball mill according to claim 1, characterized in that: cyclone includes barrel (12), conical duct (13), dust exhaust pipe (14), blast pipe (5) one end fixed connection is at barrel (12) upper end lateral wall, just blast pipe (5) and the tangent setting of barrel (12) lateral wall, barrel (12) upper end top fixedly connected with intake pipe (6), just intake pipe (6) terminal downwardly extending to in barrel (12), barrel (12) lower extreme fixedly connected with conical duct (13), conical duct (13) outside middle part gomphosis is connected in first dust collection box (1) upper end, conical duct (13) lower extreme extends to in first dust collection box (1), conical duct (13) bottom end fixedly connected with dust exhaust pipe (14).

3. The dust collector of the ball mill according to claim 1, characterized in that: dust removing openings (15) are formed in one sides of the lower ends of the first dust collection box (1) and the second dust collection box (2) respectively, an airtight door (16) is hinged to the edge of one side of each dust removing opening (15), and a lock catch is fixedly connected to the other side of the airtight door (16) and the edge of each dust removing opening (15).

4. The dust collector of the ball mill according to claim 1, characterized in that: the dust shaking device comprises a connecting ring (17), connecting rods (18), a fixing block (19), a linkage rod (20), an installation shell (21), a lifting plate (22), a cam (23) and a driving motor (24), wherein the middle part of the dust filtering bag (10) is fixedly connected with the connecting ring (17), the middle part of the connecting ring (17) is provided with the fixing block (19), a plurality of connecting rods (18) are fixedly connected between the inner side walls of the fixing block (19) and the connecting ring (17), the lower end of the fixing block (19) is fixedly connected with the linkage rod (20), the tail end of the linkage rod (20) is arranged in the installation shell (21), the linkage rod (20) is connected with the upper end of the installation shell (21) through a sliding sleeve, the lower end of the linkage rod (20) is fixedly connected with the lifting plate (22), the lifting plate (22) is movably connected in the installation shell (21), and the lower end of the lifting plate (22) is connected with the cam (23), cam (23) middle part fixed connection is in driving motor's (24) pivot, driving motor (24) fixed connection is in installation shell (21) bottom.

5. The dust collector of the ball mill according to claim 4, characterized in that: and a spring (25) is connected to a linkage rod (20) between the upper end of the lifting plate (22) and the top of the mounting shell (21) in a sliding sleeve manner.