Environment-friendly vertical roller mill device for producing steel slag powder

Abstract

The utility model discloses an environment-friendly vertical roller mill device for producing steel slag powder. The environment-friendly vertical roller mill device comprises a base, a millstone assembly, a feeding mechanism and a driving assembly, a control system and a vertical mill shell are mounted on the base; a plurality of roller grinding assemblies are mounted in the vertical mill shell; a powder concentrator and an outlet are mounted at the top of the vertical mill shell; the millstone assembly is rotationally connected to the bottom of an inner cavity of the vertical mill shell, and the bottom of the millstone assembly extends into the base. The multiple roller grinding assemblies make contact with the top face of the millstone assembly. The feeding mechanism comprises a feeding shell assembly and a spiral conveying assembly, the feeding shell assembly is installed on the outer wall of the vertical mill shell, and the discharging end of the feeding shell assembly extends into an inner cavity of the vertical mill shell; the spiral conveying assembly is rotationally connected into the feeding shell assembly. According to the utility model, automatic feeding of steel slag powder and automatic roller grinding can be realized, the stability and continuity of the production process are improved, and the overall working efficiency is remarkably improved.

Description

Technical Field

[0001] This utility model relates to the field of steel slag powder production technology, and in particular to an environmentally friendly vertical roller mill device for steel slag powder production. Background Technology

[0002] Steel slag, a byproduct of steel production, presents a significant challenge for steel companies in its effective treatment and utilization. Vertical roller mills, as advanced grinding equipment, are widely used in the grinding industry due to their high efficiency, energy saving, and environmental friendliness.

[0003] However, when traditional vertical roller mills are used in the production of steel slag powder, the feeding mechanism and the grinding disc assembly often operate out of sync. This can lead to material accumulation on the grinding disc and cause the grinding disc to run idle, seriously affecting the stability and continuity of the production process, making it difficult to achieve automated and intelligent operation of the equipment, and reducing overall work efficiency.

[0004] Therefore, an environmentally friendly vertical roller mill device for steel slag powder production is proposed. Utility Model Content

[0005] The purpose of this invention is to provide an environmentally friendly vertical roller mill device for steel slag powder production, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above objectives, this utility model provides the following solution: This utility model provides an environmentally friendly vertical roller mill device for steel slag powder production, comprising:

[0007] A base, on which a control system and a vertical mill housing are mounted; several roller mill assemblies are installed inside the vertical mill housing; a classifier and an outlet are installed on the top of the vertical mill housing;

[0008] A grinding disc assembly is rotatably connected to the bottom of the inner cavity of the vertical mill housing, with the bottom of the grinding disc assembly extending into the base; a plurality of roller mill assemblies are in contact with the top surface of the grinding disc assembly;

[0009] The feeding mechanism includes a feeding housing assembly and a screw conveyor assembly. The feeding housing assembly is installed on the outer wall of the vertical mill housing, and the discharge end of the feeding housing assembly extends into the inner cavity of the vertical mill housing. The screw conveyor assembly is rotatably connected inside the feeding housing assembly.

[0010] A drive assembly is mounted on the base. The output end of the drive assembly is connected to the grinding disc assembly via a first transmission assembly, and the output end of the drive assembly is connected to the spiral conveying assembly via a bevel gear transmission assembly.

[0011] The classifier, the drive assembly, and the several roller mill assemblies are all electrically connected to the control system.

[0012] According to the present invention, an environmentally friendly vertical roller mill device for steel slag powder production is provided. The driving component includes a cover mounted on the base. A drive motor electrically connected to the control system is installed inside the cover. The output shaft of the drive motor is connected to a drive shaft via a coupling. The drive shaft is connected to the grinding disc assembly via a first transmission assembly. The drive shaft is connected to the spiral conveying assembly via a bevel gear transmission assembly.

[0013] According to the present invention, an environmentally friendly vertical roller mill device for steel slag powder production is provided. The grinding disc assembly includes a grinding disc shaft rotatably connected to the bottom of the inner cavity of the vertical mill housing, the bottom of the grinding disc shaft extending into the base; a grinding disc body is installed on the top of the grinding disc shaft, the grinding disc body is rotatably connected to the inner wall of the vertical mill housing, and a plurality of the roller mill components are in contact with the top surface of the grinding disc body; the drive shaft is connected to the grinding disc shaft through the first transmission assembly.

[0014] According to the present invention, an environmentally friendly vertical roller mill device for producing steel slag powder is provided. The first transmission component includes a first synchronous belt and two first pulleys. The first pulleys are installed at the bottom of the grinding disc shaft and the bottom of the drive shaft. The first synchronous belt is sleeved on the two first pulleys, and the two first pulleys are connected by the first synchronous belt. A window is opened on the side wall of the cover, and the first synchronous belt passes through the window.

[0015] According to the present invention, an environmentally friendly vertical roller mill device for steel slag powder production is provided. The spiral conveying assembly includes a conveying shaft and spiral conveying blades fixedly installed on the conveying shaft. The conveying shaft is rotatably connected inside the feeding housing assembly. One end of the conveying shaft extends out of the feeding housing assembly and is fixedly installed with a second pulley. The second pulley is connected to the drive shaft through the bevel gear transmission assembly.

[0016] According to the present invention, an environmentally friendly vertical roller mill device for steel slag powder production is provided, wherein the bevel gear transmission assembly includes a first bevel gear, a second bevel gear, a transmission rod, and a second synchronous belt;

[0017] The first bevel gear is mounted on the drive shaft, and the second bevel gear is mounted on one end of the transmission rod. The transmission rod is rotatably connected to the side wall of the cover. The first bevel gear and the second bevel gear mesh and drive each other. Both the first bevel gear and the second bevel gear are located inside the cover. A third pulley is mounted on the end of the transmission rod away from the second bevel gear. The second pulley and the third pulley are connected by a second synchronous belt.

[0018] According to the present invention, an environmentally friendly vertical roller mill device for steel slag powder production is provided. The feeding shell assembly includes a feeding cover installed on the outer wall of the vertical mill shell. A feeding hopper is installed at one top end of the feeding cover, and a discharge hopper is installed at the end of the feeding cover away from the feeding hopper. The discharge hopper extends into the inner cavity of the vertical mill shell and faces the grinding disc body. A conveying shaft is rotatably connected inside the feeding cover, and one end of the conveying shaft extends out of the feeding cover.

[0019] According to the present invention, an environmentally friendly vertical roller mill device for steel slag powder production is provided. The roller mill assembly includes a roller mill motor and a roller mill body. The roller mill motor is installed on the side wall of the vertical mill housing. The roller mill body is installed on the output shaft of the roller mill motor. A plurality of roller mill bodies are arranged at equal intervals around the circumference, and all of the roller mill bodies are in contact with the top surface of the grinding disc body. The roller mill motor is electrically connected to the control system.

[0020] The present invention discloses the following technical effects:

[0021] This invention enables the simultaneous rotation of the grinding disc assembly and the screw conveyor assembly via a drive assembly, a first transmission assembly, and a bevel gear transmission assembly. This achieves synchronous operation between the feeding mechanism and the grinding disc assembly, reducing problems such as material accumulation and grinding disc idling that may occur due to asynchronous operation. It improves the stability and continuity of the production process and significantly enhances overall work efficiency. The steel slag powder raw material to be processed is conveyed to the surface of the grinding disc assembly for roller milling via the screw conveyor assembly. This achieves automatic feeding of the steel slag powder while simultaneously performing automatic roller milling. The combination of several roller milling components makes the material distribution on the grinding disc assembly more uniform, reduces energy loss, and improves grinding effect and efficiency.

[0022] This invention can effectively separate qualified steel slag powder through a classifier, reducing dust emissions. By adjusting the output power of the classifier, drive components, and several roller mill components through the control system, the operating parameters of the equipment can be adjusted according to actual production needs, thereby achieving energy saving, consumption reduction, and improved grinding efficiency. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 for Figure 1 A magnified view of part A in the image;

[0026] Figure 3 for Figure 1 A magnified view of part B in the image;

[0027] Figure 4 for Figure 1 A magnified view of part C.

[0028] The components are as follows: 1. Base; 2. Control system; 3. Vertical mill housing; 4. Air classifier; 5. Outlet; 6. Cover; 7. Drive motor; 8. Drive shaft; 9. Grinding disc shaft; 10. Grinding disc body; 11. First synchronous belt; 12. Material conveying shaft; 13. Spiral conveying blades; 14. First bevel gear; 15. Second bevel gear; 16. Transmission rod; 17. Second synchronous belt; 18. Feed cover; 19. Feed hopper; 20. Discharge hopper; 21. Roller mill motor; 22. Roller mill body. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Reference Figures 1-4 This utility model provides an environmentally friendly vertical roller mill device for steel slag powder production, comprising:

[0032] A base 1 is provided, on which a control system 2 and a vertical mill housing 3 are mounted. Several roller mill components are installed inside the vertical mill housing 3. A classifier 4 and an outlet 5 are installed on the top of the vertical mill housing 3. The control system 2 can be configured according to the specific usage environment. For example, it can be controlled by a microcontroller or by a PLC, ARM (Advanced RISC Machine), FPGA (Field Programmable Gate Array), etc. This embodiment does not make specific limitations.

[0033] The grinding disc assembly is rotatably connected to the bottom of the inner cavity of the vertical mill housing 3, and the bottom of the grinding disc assembly extends into the base 1; several roller mill assemblies are in contact with the top surface of the grinding disc assembly.

[0034] The feeding mechanism includes a feeding housing assembly and a screw conveyor assembly. The feeding housing assembly is installed on the outer wall of the vertical mill housing 3, and the discharge end of the feeding housing assembly extends into the inner cavity of the vertical mill housing 3. The screw conveyor assembly is rotatably connected inside the feeding housing assembly.

[0035] The drive assembly is mounted on the base 1. The output end of the drive assembly is connected to the grinding disc assembly via the first transmission assembly, and the output end of the drive assembly is connected to the screw conveyor assembly via the bevel gear transmission assembly.

[0036] Among them, the classifier 4, the drive assembly and several roller mill assemblies are all electrically connected to the control system 2; the control system 2, the classifier 4, the drive assembly and several roller mill assemblies are all powered by an external power source;

[0037] With this configuration, the present invention can simultaneously drive the grinding disc assembly and the screw conveyor assembly to rotate through the drive assembly, the first transmission assembly, and the bevel gear transmission assembly, realizing the synchronous operation of the feeding mechanism and the grinding disc assembly. This reduces problems such as material accumulation and grinding disc idling that may be caused by asynchronous operation, improves the stability and continuity of the production process, and significantly improves the overall work efficiency. The steel slag powder raw material to be processed is conveyed to the surface of the grinding disc assembly for roller milling through the screw conveyor assembly, realizing automatic feeding of steel slag powder while automatic roller milling. With the cooperation of several roller milling components, the material distribution on the grinding disc assembly is more uniform, reducing energy loss and improving grinding effect and grinding efficiency.

[0038] This invention can effectively separate qualified steel slag powder through the air classifier 4, reducing dust emissions. By adjusting the output power of the air classifier 4, the drive assembly, and several roller mill assemblies through the control system, the operating parameters of the equipment can be adjusted according to actual production needs, thereby achieving energy saving and consumption reduction and improving grinding efficiency.

[0039] The scheme is further optimized. The drive component includes a housing 6 mounted on the base 1. A drive motor 7 electrically connected to the control system 2 is installed inside the housing 6. The output shaft of the drive motor 7 is connected to a drive shaft 8 via a coupling. The drive shaft 8 is connected to the grinding disc assembly via a first transmission assembly. The drive shaft 8 is connected to the screw conveyor assembly via a bevel gear transmission assembly.

[0040] The design is further optimized so that the grinding disc assembly includes a grinding disc shaft 9 rotatably connected to the bottom of the inner cavity of the vertical mill housing 3, with the bottom of the grinding disc shaft 9 extending into the base 1; a grinding disc body 10 is mounted on the top of the grinding disc shaft 9, and the grinding disc body 10 is rotatably connected to the inner wall of the vertical mill housing 3, with several roller grinding components in contact with the top surface of the grinding disc body 10; and a drive shaft 8 is connected to the grinding disc shaft 9 via a first transmission component.

[0041] Further optimization of the scheme: the first transmission component includes a first synchronous belt 11 and two first pulleys. The bottom of the grinding disc shaft 9 and the bottom of the drive shaft 8 are both equipped with first pulleys. The first synchronous belt 11 is sleeved on the two first pulleys, and the two first pulleys are connected by transmission through the first synchronous belt 11. A window is opened on the side wall of the cover 6, and the first synchronous belt 11 passes through the window.

[0042] The scheme is further optimized. The screw conveyor assembly includes a conveying shaft 12 and screw conveying blades 13 fixedly installed on the conveying shaft 12. The conveying shaft 12 is rotatably connected inside the feed housing assembly. One end of the conveying shaft 12 extends out of the feed housing assembly and is fixedly installed with a second pulley. The second pulley is connected to the drive shaft 8 through a bevel gear transmission assembly.

[0043] The rotation of the conveying shaft 12 drives the spiral conveying blades 13 to rotate, thereby sucking the material from the feed hopper 19 and conveying it evenly to the top surface of the grinding disc body 10 through the discharge hopper 20 for roller grinding.

[0044] The scheme is further optimized, and the bevel gear transmission assembly includes a first bevel gear 14, a second bevel gear 15, a transmission rod 16, and a second synchronous belt 17;

[0045] The first bevel gear 14 is mounted on the drive shaft 8, and the second bevel gear 15 is mounted on one end of the transmission rod 16. The transmission rod 16 is rotatably connected to the side wall of the cover 6. The first bevel gear 14 and the second bevel gear 15 mesh and drive each other. Both the first bevel gear 14 and the second bevel gear 15 are located inside the cover 6. A third pulley is mounted on the end of the transmission rod 16 away from the second bevel gear 15. The second pulley and the third pulley are connected by a second synchronous belt 17.

[0046] The control system 2 controls the drive motor 7 to start, and the drive motor 7 drives the drive shaft 8 to rotate through the coupling; the drive shaft 8 transmits power to the grinding disc shaft 9 through the first transmission assembly (first synchronous belt 11 and two first pulleys), so that the grinding disc assembly starts to rotate;

[0047] Meanwhile, the drive shaft 8 also transmits power to the conveying shaft 12 of the screw conveyor assembly through the first bevel gear 14, the second bevel gear 15, the transmission rod 16, and the second synchronous belt 17, so that the screw conveyor assembly can start working.

[0048] Further optimization of the scheme: the feed housing assembly includes a feed cover 18 installed on the outer wall of the vertical mill housing 3. A feed hopper 19 is installed at one top end of the feed cover 18, and a discharge hopper 20 is installed at the other end of the feed cover 18 away from the feed hopper 19. The discharge hopper 20 extends into the inner cavity of the vertical mill housing 3 and faces the grinding disc body 10. The conveying shaft 12 is rotatably connected inside the feed cover 18, and one end of the conveying shaft 12 extends out of the feed cover 18.

[0049] The further optimized scheme includes a roller mill assembly comprising a roller mill motor 21 and a roller mill body 22. The roller mill motor 21 is mounted on the side wall of the vertical mill housing 3, and the roller mill body 22 is mounted on the output shaft of the roller mill motor 21. Several roller mill bodies 22 are arranged at equal intervals around the circumference, and all of the roller mill bodies 22 are in contact with the top surface of the grinding disc body 10. The roller mill motor 21 is electrically connected to the control system 2.

[0050] The control system 2 controls the operation of the roller mill motor 21. The roller mill motor 21 drives the roller mill body 22 to rotate through the output shaft. The rotation of the roller mill body 22 contacts the top surface of the grinding disc body 10 to roller mill the material, so that the material is gradually refined into steel slag powder.

[0051] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0052] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. An environmentally friendly vertical roller mill device for steel slag powder production, characterized by, The utility model relates to a vertical mill, which comprises a base (1) on which a control system (2) and a vertical mill shell (3) are installed; a plurality of roller mill assemblies are installed in the vertical mill shell (3); a powder classifier (4) and an outlet (5) are installed on the top of the vertical mill shell (3); a grinding disc assembly is rotationally connected to the bottom of the inner cavity of the vertical mill shell (3), and the bottom of the grinding disc assembly extends into the base (1); the plurality of roller mill assemblies are in contact with the top surface of the grinding disc assembly; a feeding mechanism comprises a feeding shell assembly and a screw conveying assembly, the feeding shell assembly is installed on the outer wall of the vertical mill shell (3), and the discharge end of the feeding shell assembly extends into the inner cavity of the vertical mill shell (3); the screw conveying assembly is rotationally connected in the feeding shell assembly; a driving assembly is installed on the base (1), the output end of the driving assembly is drivingly connected to the grinding disc assembly through a first transmission assembly, and the output end of the driving assembly is drivingly connected to the screw conveying assembly through a bevel gear transmission assembly; wherein the powder classifier (4), the driving assembly and the plurality of roller mill assemblies are electrically connected to the control system (2). The driving assembly comprises a housing (6) installed on the base (1), a driving motor (7) electrically connected to the control system (2) is installed in the housing (6), a driving shaft (8) is installed on the output shaft of the driving motor (7) through a shaft coupling, the driving shaft (8) is drivingly connected to the grinding disc assembly through the first transmission assembly, and the driving shaft (8) is drivingly connected to the screw conveying assembly through the bevel gear transmission assembly.

2. The environment-friendly vertical roller mill device for steel slag powder production according to claim 1, characterized in that: The grinding disc assembly comprises a grinding disc rotating shaft (9) rotationally connected to the bottom of the inner cavity of the vertical mill shell (3), the bottom of the grinding disc rotating shaft (9) extends into the base (1); a grinding disc body (10) is installed on the top of the grinding disc rotating shaft (9), the grinding disc body (10) is rotationally connected to the inner wall of the vertical mill shell (3), and the plurality of roller mill assemblies are in contact with the top surface of the grinding disc body (10); the driving shaft (8) is drivingly connected to the grinding disc rotating shaft (9) through the first transmission assembly.

3. The environment-friendly vertical roller mill device for steel slag powder production according to claim 2, characterized in that: The first transmission assembly comprises a first synchronous belt (11) and two first belt pulleys, the bottom of the grinding disc rotating shaft (9) and the bottom of the driving shaft (8) are provided with the first belt pulleys, the first synchronous belt (11) is sleeved on the two first belt pulleys, and the two first belt pulleys are drivingly connected through the first synchronous belt (11); a window is formed in the side wall of the housing (6), and the first synchronous belt (11) penetrates through the window.

4. The environment-friendly vertical roller mill device for steel slag powder production according to claim 3, characterized in that: ​ 5. The environment-friendly vertical roller mill device for steel slag powder production according to claim 3, characterized in that: The screw conveying assembly comprises a conveying shaft (12) and a screw conveying blade (13) fixedly installed on the conveying shaft (12), the conveying shaft (12) is rotationally connected in the feeding shell assembly; one end of the conveying shaft (12) extends out of the feeding shell assembly and is fixedly installed with a second pulley, the second pulley is in transmission connection with the driving shaft (8) through the bevel gear transmission assembly.

6. The environment-friendly vertical roller mill device for steel slag powder production according to claim 5, characterized in that: The bevel gear transmission assembly comprises a first bevel gear (14), a second bevel gear (15), a transmission rod (16) and a second synchronous belt (17); The first bevel gear (14) is installed on the driving shaft (8), the second bevel gear (15) is installed on one end of the transmission rod (16), the transmission rod (16) is rotationally connected on the side wall of the cover shell (6), the first bevel gear (14) and the second bevel gear (15) are in meshing transmission, the first bevel gear (14) and the second bevel gear (15) are located in the cover shell (6), a third pulley is installed on one end of the transmission rod (16) away from the second bevel gear (15), the second pulley and the third pulley are in transmission connection through the second synchronous belt (17).

7. The environmentally friendly vertical roller mill device for steel slag powder production according to claim 5, characterized in that: The feeding shell assembly comprises a feeding cover shell (18) installed on the outer wall of the vertical mill shell (3), one end of the top of the feeding cover shell (18) is installed with a feeding hopper (19), one end of the feeding cover shell (18) away from the feeding hopper (19) is installed with a discharge hopper (20), the discharge hopper (20) extends into the inner cavity of the vertical mill shell (3) and faces the grinding disc body (10); the conveying shaft (12) is rotationally connected in the feeding cover shell (18), one end of the conveying shaft (12) extends out of the feeding cover shell (18).

8. The environment-friendly vertical roller mill device for steel slag powder production according to claim 3, characterized in that: The roller mill assembly comprises a roller mill motor (21) and a roller mill body (22), the roller mill motor (21) is installed on the side wall of the vertical mill shell (3), the roller mill body (22) is installed on the output shaft of the roller mill motor (21), a plurality of the roller mill bodies (22) are arranged at equal intervals in the circumferential direction, and a plurality of the roller mill bodies (22) are in contact with the top surface of the grinding disc body (10), the roller mill motor (21) is in electrical connection with the control system (2).

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