Blast furnace slag vertical mill unit

Abstract

The utility model relates to the technical field of slag vertical mills, and discloses a blast furnace slag vertical mill unit which comprises a vertical mill cylinder, the bottom of the vertical mill cylinder is fixedly connected with a base, the top of the base is fixedly connected with a servo motor, and the output end of the servo motor is in spline connection with a transmission rod. And one end of the transmission rod fixedly penetrates through the bottom of the vertical mill cylinder and is fixedly connected with a millstone. According to the vertical mill unit for the blast furnace slag, through the arrangement of the fixing rod, the guide pipe, the grinding cup, the grinding disc, the conical block, the first grinding block and the second grinding block, the slag is poured in from the feeding opening and falls between the grinding cup and the conical block through the guide pipe, and when the vertical mill unit works, the servo motor drives the grinding disc to rotate through the transmission rod, so that the conical block is driven to rotate in the grinding cup; the first grinding block and the second grinding block grind large slag, splashing caused by grinding can be blocked by the guide pipe, and damage to parts in the device caused by splashing during grinding of the large slag is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of slag vertical mills, in particular to a blast furnace slag vertical mill unit. Background Art

[0002] Blast furnace slag is a waste produced in the process of producing pig iron in a blast furnace. It contains a large amount of iron oxide, silicon oxide and other substances. Traditionally, blast furnace slag is regarded as waste and is usually piled up in open fields or landfilled. However, with the increasing shortage of resources and the increasing severity of environmental pollution, the comprehensive utilization and treatment of blast furnace slag has become an important issue. Studies have shown that blast furnace slag can be turned into high value-added products such as cement and road base materials through proper treatment and processing. The blast furnace slag vertical mill is a kind of equipment specially used for grinding blast furnace slag. It uses the principle of vertical mill to crush and grade blast furnace slag to obtain a fine powder product. This equipment can effectively improve the utilization rate of blast furnace slag, reduce environmental pollution, and also obtain economic benefits.

[0003] At present, the blast furnace slag vertical mill units on the market have the following disadvantages: the oversized slag mixed with the smaller slag will be ground by the grinding roller after entering the vertical mill, and the larger slag may cause splashing during the vertical milling, causing damage to the internal parts of the vertical mill unit and reducing the vertical milling effect;

[0004] For this purpose, we have designed a blast furnace slag vertical mill unit. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The technical problem solved by the utility model is to provide a blast furnace slag vertical mill unit which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem mentioned in the above background technology that larger slag may cause splashing during vertical milling, damage the internal parts of the vertical mill unit and reduce the vertical mill effect.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a blast furnace slag vertical mill unit, including a vertical mill cylinder, the bottom of the vertical mill cylinder is fixedly connected to a base, the top of the base is fixedly connected to a servo motor, the output end of the servo motor is splined with a transmission rod, one end of the transmission rod is fixedly passed through the bottom of the vertical mill cylinder and is fixedly connected to a grinding disc, the inner wall of the vertical mill cylinder is fixedly connected to a fixed rod, one end of the fixed rod is fixedly connected to a conduit, one end of the conduit is fixedly connected to a grinding cup, the inner wall of the grinding cup is fixedly connected to a first grinding block, a conical block is fixedly connected to the top center of the grinding disc, a second grinding block is fixedly connected to the surface of the conical block, the grinding cup is on the surface of the conical block, and the first grinding block is at a certain distance from the second grinding block.

[0009] Optionally, a hydraulic rod is fixedly connected to the surface of the vertical mill cylinder, and one end of the hydraulic rod is fixedly connected to a movable plate. The hydraulic rod can drive the movable plate to move up and down, and then when the device is working, the movable plate, the fixed block and the grinding roller can be lifted to make the grinding roller leave the grinding disc, thereby reducing the transmission rod from being squeezed for a long time.

[0010] Optionally, baffles are fixedly connected to the top and bottom of the movable plate, and the baffles can block the empty grooves on the surface of the vertical grinding cylinder when the movable plate moves up and down. Fixed blocks are fixedly connected to three sides of the bottom of the movable plate, and a grinding roller is rotatably connected to one side of the fixed block.

[0011] Optionally, a groove is provided on the top of the grinding disc, and the groove can better enable the grinding roller to vertically grind the slag, and the groove is in contact with the grinding roller.

[0012] Optionally, a fixed cover is fixedly connected to the top of the vertical mill cylinder, a feed port is opened at the top center of the fixed cover, a material guide pipe is fixedly connected to the inner bottom wall of the fixed cover, a rectangular opening is opened on one side of the surface of the material guide pipe, and a guide cover is fixedly connected to the other side of the surface of the material guide pipe. The guide cover can guide the slag that has been vertically ground inside for discharge, while the slag that has not been vertically ground will pass through the rectangular opening and enter the conduit again to be vertically ground.

[0013] Optionally, a circular ring is fixedly connected to the bottom of the fixed cover, and a plurality of discharge ports are opened on the top of the fixed cover, and the discharge ports are connected to fans to extract the ground slag inside.

[0014] (III) Beneficial effects

[0015] The utility model provides a blast furnace slag vertical mill unit, which has the following beneficial effects:

[0016] The blast furnace slag vertical mill unit pours the slag from the feed port through the arrangement of a fixed rod, a guide tube, a grinding cup, a grinding disc, a conical block, a first grinding block and a second grinding block, and the slag falls into between the grinding cup and the conical block through the guide tube. When the device is working, the servo motor drives the grinding disc to rotate through the transmission rod, and then drives the conical block to rotate inside the grinding cup. The first grinding block and the second grinding block grind the larger slag, and the splash caused by the grinding will be blocked by the guide tube, thereby reducing the damage to the internal parts of the device caused by the splash when the larger slag is ground. After the slag is vertically ground for the first time by the grinding cup and the conical block, it is convenient for the grinding roller to perform a second vertical grinding on the slag, thereby improving the effect of the slag vertical mill. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the grinding disc structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the grinding cup structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the fixed cover structure of the utility model.

[0022] In the figure: 1. vertical grinding cylinder; 2. servo motor; 3. transmission rod; 4. grinding disc; 5. guide tube; 6. grinding cup; 7. first grinding block; 8. conical block; 9. second grinding block; 10. hydraulic rod; 11. movable plate; 12. baffle; 13. fixed block; 14. grinding roller; 15. fixed cover; 16. guide cover. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 5The utility model provides a technical solution: a blast furnace slag vertical mill unit, comprising a vertical mill cylinder 1, the bottom of the vertical mill cylinder 1 is fixedly connected to a base, the top of the base is fixedly connected to a servo motor 2, the output end of the servo motor 2 is splinedly connected to a transmission rod 3, one end of the transmission rod 3 is fixedly passed through the bottom of the vertical mill cylinder 1 and is fixedly connected to a grinding disc 4, the inner wall of the vertical mill cylinder 1 is fixedly connected to a fixed rod, one end of the fixed rod is fixedly connected to a guide tube 5, one end of the guide tube 5 is fixedly connected to a grinding cup 6, the inner wall of the grinding cup 6 is fixedly connected to a first grinding block 7, the top center of the grinding disc 4 is fixedly connected to a conical block 8, and the surface of the conical block 8 is fixedly connected to a second grinding block 9, The grinding cup 6 is on the surface of the conical block 8. The first grinding block 7 and the second grinding block 9 are at a certain distance. The slag is poured in from the feed port and falls between the grinding cup 6 and the conical block 8 through the guide tube 5. When the device is working, the servo motor 2 drives the grinding disc 4 to rotate through the transmission rod 3, and then drives the conical block 8 to rotate inside the grinding cup 6. The first grinding block 7 and the second grinding block 9 grind the larger slag. The splash caused by grinding will be blocked by the guide tube 5, which reduces the damage to the internal parts of the device caused by the splash of the larger slag during grinding. After the slag is vertically ground for the first time by the grinding cup 6 and the conical block 8, it is convenient for the grinding roller 14 to vertically grind the slag for the second time, thereby improving the effect of the slag vertical grinding.

[0025] A hydraulic rod 10 is fixedly connected to the surface of the vertical mill cylinder 1, and one end of the hydraulic rod 10 is fixedly connected to a movable plate 11. The hydraulic rod 10 can drive the movable plate 11 to move up and down, and then when the device is working, the movable plate 11, the fixed block 13 and the grinding roller 14 can be lifted to make the grinding roller 14 leave the grinding disc 4, thereby reducing the transmission rod 3 from being squeezed for a long time;

[0026] The top and bottom of the movable plate 11 are fixedly connected with baffles 12, and the baffles 12 can block the empty grooves on the surface of the vertical mill cylinder 1 when the movable plate 11 moves up and down. The three sides of the bottom of the movable plate 11 are fixedly connected with fixed blocks 13, and one side of the fixed block 13 is rotatably connected with a grinding roller 14;

[0027] A groove is provided on the top of the grinding disc 4, and the groove can better enable the grinding roller 14 to vertically grind the slag, and the groove is in contact with the grinding roller 14;

[0028] A fixed cover 15 is fixedly connected to the top of the vertical mill cylinder 1. A feed port is opened at the center of the top of the fixed cover 15. A material guide pipe is fixedly connected to the inner bottom wall of the fixed cover 15. A rectangular opening is opened on one side of the surface of the material guide pipe. A guide cover 16 is fixedly connected to the other side of the surface of the material guide pipe. The guide cover 16 can guide the slag that has been vertically ground inside to be discharged, while the slag that has not been vertically ground will enter the guide tube 5 again through the rectangular opening to be vertically ground.

[0029] A circular ring is fixedly connected to the bottom of the fixed cover 15, and a plurality of discharge ports are opened on the top of the fixed cover 15. The discharge ports are connected to fans to extract the ground slag inside.

[0030] In the utility model, the working steps of the device are as follows:

[0031] Step 1: Open the hydraulic rod 10 to drive the movable plate 11, the fixed block 13 and the grinding roller 14 to descend, so that the grinding roller 14 contacts the groove on the surface of the grinding disc 4. Since the bottom of the vertical mill cylinder 1 is provided with a circular hole, the hair dryer is connected to the circular hole, and there is a certain distance between the grinding disc 4 and the inner wall of the vertical mill cylinder 1, so the blowing will blow the slag that has been milled upward;

[0032] Step 2: Pour the slag from the feed port, and let it fall between the grinding cup 6 and the conical block 8 through the conduit 5. When the device is working, the servo motor 2 drives the grinding disc 4 to rotate through the transmission rod 3, and then drives the conical block 8 to rotate inside the grinding cup 6. The first grinding block 7 and the second grinding block 9 grind the larger slag, and the splashing caused by grinding will be blocked by the conduit 5.

[0033] The third step: the guide cover 16 can guide the slag that has been vertically ground inside to be discharged, while the slag that has not been vertically ground will enter the conduit 5 again through the rectangular opening to be vertically ground.

[0034] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0035] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A blast furnace slag vertical mill unit, comprising a vertical mill drum (1), characterized in that: The bottom of the vertical mill cylinder (1) is fixedly connected to a base, the top of the base is fixedly connected to a servo motor (2), the output end of the servo motor (2) is spline-connected to a transmission rod (3), one end of the transmission rod (3) is fixedly passed through the bottom of the vertical mill cylinder (1) and is fixedly connected to a grinding disc (4), the inner wall of the vertical mill cylinder (1) is fixedly connected to a fixing rod, one end of the fixing rod is fixedly connected to a guide tube (5), one end of the guide tube (5) is fixedly connected to a grinding cup (6), the inner wall of the grinding cup (6) is fixedly connected to a first grinding block (7), the top center of the grinding disc (4) is fixedly connected to a conical block (8), the surface of the conical block (8) is fixedly connected to a second grinding block (9), the grinding cup (6) is located on the surface of the conical block (8), and the first grinding block (7) and the second grinding block (9) are at a certain distance.

2. The blast furnace slag vertical mill according to claim 1, characterized in that: A hydraulic rod (10) is fixedly connected to the surface of the vertical grinding cylinder (1), and a movable plate (11) is fixedly connected to one end of the hydraulic rod (10).

3. The blast furnace slag vertical mill according to claim 2, characterized in that: The top and bottom of the movable plate (11) are fixedly connected with baffles (12), the three sides of the bottom of the movable plate (11) are fixedly connected with fixed blocks (13), and one side of the fixed block (13) is rotatably connected with a grinding roller (14).

4. The blast furnace slag vertical mill according to claim 1, characterized in that: The top of the grinding disc (4) is provided with a groove, and the groove is in contact with the grinding roller (14).

5. The blast furnace slag vertical mill according to claim 1, characterized in that: A fixed cover (15) is fixedly connected to the top of the vertical grinding cylinder (1), a feed port is provided at the center of the top of the fixed cover (15), a material guide pipe is fixedly connected to the inner bottom wall of the fixed cover (15), a rectangular opening is provided on one side of the surface of the material guide pipe, and a guide cover (16) is fixedly connected to the other side of the surface of the material guide pipe.

6. The blast furnace slag vertical mill assembly according to claim 5, characterized in that: A circular ring is fixedly connected to the bottom of the fixed cover (15), and a plurality of discharge ports are opened on the top of the fixed cover (15).

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