Dust collecting device for grinding slag powder

Abstract

The dust collecting device comprises a vertical mill body and a dust pipeline inserted in the left side of the upper end of the vertical mill body, the left side of the vertical mill body is connected with a set of dust removers, and a dust removing mechanism and a collecting mechanism are arranged in the set of dust removers respectively. The dust removal mechanism comprises a switcher, an adjusting motor, a rotating rod, a group of opposite external threads, a group of connecting rods, a group of valves, a group of transmission gears, a group of connecting pipes, a group of rotating motors, a group of rotating shafts and a group of slag powder filter cartridges. The slag powder collecting mechanism has the beneficial effects that a group of slag powder filter cartridges can be used for filtering slag powder generated by the vertical mill body, and is matched with a switcher to realize alternate work of the group of slag powder filter cartridges, so that continuous filtration of the slag powder and cleaning of the slag powder are facilitated, and the rotating motor is adopted by the collecting mechanism to drive the slag powder filter cartridges to rotate; the slag powder attached to the surface of the slag powder filter cartridge is blown into the collecting hopper by matching with the blowing pipeline and is discharged through the collecting pipeline, so that the slag powder is convenient to collect and use.

Description

Technical Field

[0001] The utility model relates to the technical field of slag powder grinding, in particular to a dust collection device for grinding slag powder. Background Art

[0002] Slag powder is the abbreviation of granulated blast furnace slag powder, which is a high-quality concrete admixture. It is a powder obtained by drying and grinding granulated blast furnace slag that meets the GB / T203 standard to a certain fineness and meets a certain activity index. Granulated blast furnace slag is a molten material mainly composed of calcium silicate aluminate obtained in the blast furnace during pig iron smelting in an ironworks. It is an industrial solid waste obtained after being quenched into particles by water. Most of it is vitreous and has potential hydraulic cementitious properties.

[0003] A large amount of dust will be generated during the grinding process of slag. In the existing patent with the application number CN202321460180.2, a dust collection device for grinding slag powder is disclosed. The dust is filtered through the partition plate and filter plate in the dust outlet channel. However, when collecting dust, the dust cannot completely fall off the partition plate and filter plate by gravity. After long-term use, the filtering effect of slag dust is affected.

[0004] It should be noted that the above content belongs to the technical cognition scope of the inventor and does not necessarily constitute the prior art. Content of the Utility Model

[0005] Aiming at the above defects, the utility model provides a dust collection device for grinding slag powder to solve the problem of dust collection during the grinding of slag powder.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A dust collection device for grinding slag powder includes a vertical mill body and a dust pipeline inserted on the left side of the upper end of the vertical mill body. A group of dust collectors are connected to the left side of the vertical mill body, and a dust removal mechanism and a collection mechanism are respectively arranged in the group of dust collectors;

[0008] The dust removal mechanism includes a switch, an adjustment motor, a rotating rod, a pair of opposite external threads, a pair of connecting rods, a pair of valves, a pair of transmission gears, a pair of connecting pipes, a pair of rotating motors, a pair of rotating shafts, and a pair of slag powder filter cylinders. The switch is installed on the dust pipeline. The adjustment motor is horizontally installed on the left side of the switch. The rotating rod is installed on the rotating end of the adjustment motor. A pair of opposite external threads are tapped on both sides of the outer surface of the rotating rod. A pair of connecting rods are movably inserted on both sides of the switch. A pair of valves are installed at the bottom of a pair of connecting rods and are movably and sealingly installed inside the switch. A pair of transmission gears are installed at the upper ends of a pair of connecting rods and are respectively engaged with the corresponding external threads. A pair of connecting pipes are inserted at the bottom of the switch and are respectively connected to the bottoms of the corresponding dust collectors. A pair of rotating motors are installed at the upper ends of a pair of dust collectors, and the rotating ends are respectively movably inserted into the corresponding dust collectors. A pair of rotating shafts are installed on the rotating ends of a pair of rotating motors. A pair of slag powder filter cylinders are installed at the bottoms of a pair of rotating shafts.

[0009] Furthermore, the collection mechanism includes a compressed air pipeline, a pair of blow pipelines, several nozzles, a pair of collecting hoppers, and a collecting pipeline. The compressed air pipeline is installed in front of a pair of dust collectors. A pair of blow pipelines are inserted on one side inside a pair of slag powder filter cylinders, and the upper ends are respectively communicated with the compressed air pipeline. Several nozzles are evenly installed on a pair of blow pipelines. A pair of collecting hoppers are arranged at the bottoms of a pair of dust collectors. The collecting pipeline is inserted at the bottom of a pair of collecting hoppers.

[0010] Furthermore, the compressed air pipeline is connected to an external air compressor.

[0011] Furthermore, a cleaning motor is installed on the right side of the collecting pipeline. The rotating end of the cleaning motor is movably inserted into the collecting pipeline, and a cleaning shaft is installed on the rotating end of the cleaning motor. Several auger conveying blades are installed on the cleaning shaft.

[0012] Furthermore, the upper ends of a pair of slag powder filter cylinders are respectively movably installed inside the corresponding dust collectors through rotating sealing bearings, and several filtering holes are evenly formed on the outer surfaces of a pair of slag powder filter cylinders.

[0013] Furthermore, the upper ends of a pair of dust collectors are respectively communicated with an external exhaust pipeline.

[0014] The utility model provides a dust collection device for grinding slag powder, which has the following beneficial effects. Through the dust removal mechanism arranged in a group of dust collectors, a group of slag powder filter cylinders can filter the slag dust generated by the vertical mill body. The filtered slag dust adheres to the surface of the group of slag powder filter cylinders, and the air is discharged through the external exhaust pipe. The group of slag powder filter cylinders work alternately with the switcher, so as to facilitate the continuous filtration of slag dust and the cleaning of slag powder. The collection mechanism drives the slag powder filter cylinder to rotate by a rotating motor, and cooperates with the blowing pipe to blow the slag powder adhering to the surface of the slag powder filter cylinder into the aggregate hopper and discharge it through the aggregate pipe, which is convenient for collection and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a dust collection device for grinding slag powder according to the utility model.

[0016] Figure 2 It is a schematic diagram of the vertical mill body according to the utility model.

[0017] Figure 3 It is a sectional view of the switcher according to the utility model.

[0018] Figure 4 It is an external view of a group of dust collectors according to the utility model.

[0019] In the figure: 1, vertical mill body; 2, dust pipeline; 3, dust collector; 4, switcher; 5, adjusting motor; 6, rotating rod; 7, external thread; 8, connecting rod; 9, valve; 10, transmission gear; 11, connecting pipe; 12, rotating motor; 13, rotating shaft; 14, slag powder filter cylinder; 15, compressed air pipeline; 16, blowing pipe; 17, nozzle; 18, aggregate hopper; 19, aggregate pipe; 20, cleaning motor; 21, cleaning shaft; 22, auger conveying blade; 23, rotating seal bearing; 24, filter hole; 25, exhaust pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following specifically describes the present utility model in conjunction with the drawings, as Figures 1-4As shown: A dust collection device for grinding slag powder, including a vertical mill body 1 and a dust pipeline 2 inserted at the upper left end of the vertical mill body 1. A group of dust collectors 3 are connected to the left side of the vertical mill body 1, and a dust removal mechanism and a collection mechanism are respectively arranged in the group of dust collectors 3; The dust removal mechanism includes a switch 4, an adjustment motor 5, a rotating rod 6, a group of opposite external threads 7, a group of connecting rods 8, a group of valves 9, a group of transmission gears 10, a group of connecting pipes 11, a group of rotating motors 12, a group of rotating shafts 13 and a group of slag powder filter cylinders 14. The switch 4 is installed on the dust pipeline 2, the adjustment motor 5 is horizontally installed on the left side of the switch 4, the rotating rod 6 is installed on the rotating end of the adjustment motor 5, a group of opposite external threads 7 are tapped on both sides of the outer surface of the rotating rod 6, a group of connecting rods 8 are movably inserted on both sides of the switch 4, a group of valves 9 are installed at the bottom of the group of connecting rods 8 and are movably and hermetically installed in the switch 4, a group of transmission gears 10 are installed at the upper ends of the group of connecting rods 8 and are respectively meshed with the corresponding external threads 7, a group of connecting pipes 11 are inserted at the bottom of the switch 4 and are respectively connected to the bottoms of the corresponding dust collectors 3, a group of rotating motors 12 are installed at the upper ends of the group of dust collectors 3, and the rotating ends are respectively movably inserted into the corresponding dust collectors 3, a group of rotating shafts 13 are installed on the rotating ends of the group of rotating motors 12, and a group of slag powder filter cylinders 14 are installed at the bottoms of the group of rotating shafts 13; The collection mechanism includes a compressed air pipeline 15, a group of blowing pipelines 16, a number of nozzles 17, a group of collecting hoppers 18 and a collecting pipeline 19. The compressed air pipeline 15 is installed at the front end of the group of dust collectors 3, a group of blowing pipelines 16 are inserted on one side inside the group of slag powder filter cylinders 14 and are respectively communicated with the compressed air pipeline 15 at the upper ends, a number of nozzles 17 are uniformly installed on the group of blowing pipelines 16, a group of collecting hoppers 18 are arranged at the bottoms of the group of dust collectors 3, and the collecting pipeline 19 is inserted at the bottom of the group of collecting hoppers 18; The compressed air pipeline 15 is connected to an external air compressor; A cleaning motor 20 is installed on the right side of the collecting pipeline 19, the rotating end of the cleaning motor 20 is movably inserted into the collecting pipeline 19, and a cleaning shaft 21 is installed on the rotating end of the cleaning motor 20, and a number of auger conveying blades 22 are installed on the cleaning shaft 21; The upper ends of the group of slag powder filter cylinders 14 are respectively movably installed in the corresponding dust collectors 3 through rotating sealing bearings 23, and a number of filter holes 24 are uniformly opened on the outer surfaces of the group of slag powder filter cylinders 14; The upper ends of the group of dust collectors 3 are respectively communicated with an external exhaust pipeline 25.

[0021] Working principle of this implementation: The electrical equipment used in this device is controlled by an external controller. After the slag is ground by the vertical mill body 1, the generated slag dust is discharged through the dust pipeline 2, which is the prior art;

[0022] During dust removal: The switch 4 is installed on the dust pipeline 2. The adjustment motor 5 is horizontally installed on the left side of the switch 4. The rotating rod 6 is installed on the rotating end of the adjustment motor 5. A set of opposite external threads 7 are tapped on both sides of the outer surface of the rotating rod 6. A set of connecting rods 8 are movably and hermetically inserted on both sides of the switch 4. A set of valves 9 are installed at the bottom of a set of connecting rods 8 and are movably and hermetically installed inside the switch 4. A set of transmission gears 10 are installed at the upper ends of a set of connecting rods 8 and are respectively meshed with the corresponding external threads 7. A set of connecting pipes 11 are inserted at the bottom of the switch 4 and are respectively connected to the bottoms of the corresponding dust collectors 3. A set of rotating motors 12 are installed at the upper ends of a set of dust collectors 3, and the rotating ends are respectively movably inserted into the corresponding dust collectors 3 through fastening bearings. A set of rotating shafts 13 are installed on the rotating ends of a set of rotating motors 12. A set of slag powder filter cylinders 14 are installed at the bottoms of a set of rotating shafts 13. The upper ends of a set of slag powder filter cylinders 14 are respectively movably installed inside the corresponding dust collectors 3 through rotating sealing bearings 23, and a number of filter holes 24 are evenly formed on the outer surfaces of a set of slag powder filter cylinders 14. The upper ends of a set of dust collectors 3 are respectively communicated with the external exhaust pipeline 25, as Figure 3 and Figure 4 shown. The slag dust enters the dust collector 3 through the switch 4 and the connecting pipe 11. The slag powder filter cylinder 14 can filter the slag dust generated by the vertical mill body 1. The filtered slag dust adheres to the surface of the slag powder filter cylinder 14, and the air is discharged through the external exhaust pipeline 25. A set of valves 9 are arranged staggeredly. The adjustment motor 5 can switch a set of valves 9 to open or close through the rotating rod 6, so as to realize the alternating operation of a set of slag powder filter cylinders 14, facilitate the continuous filtration of the slag dust, and clean and collect the slag dust on the surface of the slag powder filter cylinder 14;

[0023] During collection: The compressed air pipeline 15 is installed at the front ends of a set of dust collectors 3. A set of blowing pipelines 16 are inserted on one side inside a set of slag powder filter cylinders 14 and are respectively communicated with the compressed air pipeline 15 at the upper ends. A number of nozzles 17 are evenly installed on a set of blowing pipelines 16. A set of collecting hoppers 18 are arranged at the bottoms of a set of dust collectors 3. The collecting pipeline 19 is inserted at the bottom of a set of collecting hoppers 18. The compressed air pipeline 15 is connected to an external air compressor. A cleaning motor 20 is installed on the right side of the collecting pipeline 19. The rotating end of the cleaning motor 20 is movably inserted into the collecting pipeline 19 through a fastening bearing, and a cleaning shaft 21 is installed at the rotating end of the cleaning motor 20. A number of auger conveying blades 22 are installed on the cleaning shaft 21, as Figure 1 shown. The rotating motor 12 drives the slag powder filter cylinder 14 to rotate, and cooperates with the blowing pipeline 16 to blow the slag powder adhering to the surface of the slag powder filter cylinder 14 into the collecting hopper 18. Control valves are respectively installed at the bottoms of the collecting hoppers 18. When the control valves are opened, the slag powder is evenly discharged through the auger conveying blades 22 in the collecting pipeline 19, which is convenient for collection and use.

[0024] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present utility model. Some changes that those skilled in the art of this technology may make to some parts thereof all reflect the principles of the present utility model and fall within the protection scope of the present utility model.

Claims

1. A dust collection device for grinding slag powder, comprising a vertical mill body (1) and a dust pipeline (2) inserted on the left side of the upper end of the vertical mill body (1), characterized in that, A group of dust collectors (3) are connected to the left side of the vertical mill body (1), and a dust removal mechanism and a collection mechanism are respectively arranged in the group of dust collectors (3); The dust removal mechanism includes a switch (4), an adjustment motor (5), a rotating rod (6), a group of opposite external threads (7), a group of connecting rods (8), a group of valves (9), a group of transmission gears (10), a group of connecting pipes (11), a group of rotating motors (12), a group of rotating shafts (13), and a group of slag powder filter cylinders (14). The switch (4) is installed on the dust pipeline (2), the adjustment motor (5) is horizontally installed on the left side of the switch (4), the rotating rod (6) is installed on the rotating end of the adjustment motor (5), a group of opposite external threads (7) are tapped on both sides of the outer surface of the rotating rod (6), a group of connecting rods (8) are movably inserted on both sides of the switch (4), a group of valves (9) are installed at the bottom of the group of connecting rods (8) and are movably and sealingly installed in the switch (4), a group of transmission gears (10) are installed at the upper ends of the group of connecting rods (8) and are respectively meshed with the corresponding external threads (7), a group of connecting pipes (11) are inserted at the bottom of the switch (4) and are respectively connected to the bottom of the corresponding dust collector (3), a group of rotating motors (12) are installed at the upper ends of the group of dust collectors (3), and the rotating ends are respectively movably inserted into the corresponding dust collectors (3), a group of rotating shafts (13) are installed on the rotating ends of the group of rotating motors (12), and a group of slag powder filter cylinders (14) are installed at the bottoms of the group of rotating shafts (13).

2. The dust collecting device for grinding slag powder according to claim 1, characterized in that, The collection mechanism includes a compressed air pipeline (15), a group of blowing pipelines (16), a number of nozzles (17), a group of collecting hoppers (18), and a collecting pipeline (19). The compressed air pipeline (15) is installed at the front end of the group of dust collectors (3), a group of blowing pipelines (16) are inserted on one side inside the group of slag powder filter cylinders (14), and the upper ends are respectively communicated with the compressed air pipeline (15), a number of nozzles (17) are uniformly installed on the group of blowing pipelines (16), a group of collecting hoppers (18) are arranged at the bottoms of the group of dust collectors (3), and the collecting pipeline (19) is inserted at the bottom of the group of collecting hoppers (18).

3. The dust collection device for grinding slag powder according to claim 2, wherein The compressed air pipeline (15) is connected to an external air compressor.

4. The dust collection device for grinding slag powder according to claim 2, characterized in that, A cleaning motor (20) is installed on the right side of the collecting pipeline (19), the rotating end of the cleaning motor (20) is movably inserted into the collecting pipeline (19), and a cleaning shaft (21) is installed on the rotating end of the cleaning motor (20), and a number of auger conveying blades (22) are installed on the cleaning shaft (21).

5. The dust collecting device for grinding slag powder according to claim 1, characterized in that, The upper ends of the group of slag powder filter cylinders (14) are respectively movably installed in the corresponding dust collectors (3) through rotating sealing bearings (23), and a number of filter holes (24) are uniformly formed on the outer surface of the group of slag powder filter cylinders (14).

6. The dust collection device for grinding slag powder according to claim 1, characterized in that, The upper ends of the group of dust collectors (3) are respectively communicated with an external exhaust pipeline (25).

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