Granulated blast-furnace slag secondary grinding device

Abstract

The utility model provides a granulated blast furnace slag secondary grinding device which comprises a device body, a grinding hopper is arranged in the device body, a sealing cover is arranged on the surface of the top of the device body, a first driving motor is arranged at the top end of the sealing cover, and the output end of the first driving motor penetrates through the surface of the sealing cover and is provided with a first main shaft. And a grinding hopper is arranged at the bottom end of the first main shaft. The grinding head is arranged to be of a hollow structure, so that after slag enters the device body, part of the slag enters the grinding head through a discharging hole, then a second driving motor is started, and then the second driving motor drives a second crushing blade to rotate through a second main shaft; slag in the grinding head is crushed by the second crushing blades, then the slag enters the position between the grinding head and the grinding hopper through the filtering holes for subsequent grinding, in this way, operation is easy, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of slag powder processing, in particular to a secondary grinding device for granulated blast furnace slag. Background Art

[0002] After searching, Chinese patent: CN211838323U discloses a grinding device for producing blast furnace granulated slag powder, including a base frame and a working box, a working box is arranged on the top of the base frame, a box cover is arranged on the top of the working box, a first motor is arranged on the top of the box cover, a feeding port is arranged on the box cover on one side of the first motor, and a blocking frame is arranged inside the working box. The slag that has been preliminarily crushed falls between the outer grinding disc and the inner grinding disc, and the output end of the second motor drives the driving gear to rotate. When the driving gear rotates, the gear belt is meshed with the driving gear through teeth, so that the outer grinding disc rotates to grind the preliminarily crushed slag, and gas is injected into the interior of the airflow pipe through a fan to make the gas in the pipe flow, and the slag powder in the transition bin flows into the interior of the airflow pipe, and is discharged and collected from the other end of the airflow pipe, so that the workers can collect the slag powder, so that the slag powder is ground more thoroughly and the grinding quality is improved.

[0003] The above technical solution has the following shortcomings:

[0004] The above technical solution has certain limitations because the inner grinding disc can only rotate horizontally during use, so the slag cannot effectively enter between the inner grinding disc and the outer grinding disc during the grinding process, thereby prolonging the grinding time.

[0005] Therefore, it is necessary to provide a secondary grinding device for granulated blast furnace slag to solve the above technical problems. Utility Model Content

[0006] The utility model provides a two-stage grinding device for granulated blast furnace slag, which solves the problems in the background technology.

[0007] In order to solve the above technical problems, the utility model provides a secondary grinding device for granulated blast furnace slag, including a device body, a grinding bucket is arranged inside the device body, a sealing cover is arranged on the top surface of the device body, a first driving motor is arranged on the top of the sealing cover, a first main shaft is arranged at the output end of the first driving motor through the surface of the sealing cover, a grinding bucket is arranged at the bottom end of the first main shaft, a first crushing blade is arranged above the peripheral side of the grinding head, a first grinding protrusion is arranged below the first crushing blade, and a second grinding protrusion is arranged below the first grinding protrusion.

[0008] Preferably, the grinding head is a hollow structure, a material drop hole is provided on the top surface of the grinding head, a second drive motor is provided at the bottom end of the device body, the output end of the second drive motor passes through the bottom surface of the device body and extends to the interior of the grinding head, a second crushing blade is provided on the outer surface of the second spindle inside the grinding head, and a filter hole is provided through the surface of the grinding head.

[0009] Preferably, a plurality of the first crushing blades are provided, and the plurality of first crushing blades are equidistantly mounted around the peripheral side of the grinding head.

[0010] Preferably, the diameter of the first grinding bump is greater than the diameter of the second grinding bump.

[0011] Preferably, a feed hopper is provided through the surface above the device body, and a discharge pipe is provided through the surface below the device body.

[0012] Preferably, a supporting leg is provided at the bottom end of the device body, and a plurality of supporting legs are provided, and the plurality of supporting legs are installed at equal distances at the four corners of the bottom end of the device body.

[0013] Preferably, a controller is installed on the outer surface of the device body.

[0014] Compared with the related art, the two-stage grinding device for granulated blast furnace slag provided by the utility model has the following beneficial effects:

[0015] 1. Compared with the prior art, the two-stage grinding device for granulated blast furnace slag is provided with a grinding bucket (wherein the upper dimension of the grinding bucket is larger than the upper dimension of the grinding head), and a first crushing blade is provided above the surface of the grinding head, so that when working, the first driving motor is started, and then the first driving motor drives the grinding head to rotate through the main shaft, and then the slag is put into the inside of the device body through the feeding hopper, and then the slag falls above the grinding head, and then under the rotation of the first crushing blade, the slag stuck in the grinding head and the grinding bucket is crushed, and then smoothly enters the bottom, and then passes through the first The grinding protrusions and the second grinding protrusions can be used for subsequent grinding. This method is simple to operate and facilitates the smooth feeding of slag. By setting the grinding head to a hollow structure, after the slag enters the interior of the device body, a portion of the slag will enter the grinding head through the drop hole, and then the second drive motor is started. The second drive motor then drives the second crushing blade to rotate through the second main shaft, so that the second crushing blade crushes the slag inside the grinding head, and then enters through the filter hole between the grinding head and the grinding bucket for subsequent grinding. This method is simple to operate and greatly improves its work efficiency.

[0016] The parts not involved in this setting are the same as the existing technology or can be implemented by using the existing technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a two-stage grinding device for granulated blast furnace slag provided by the utility model;

[0018] Figure 2 A schematic diagram of the internal structure of a two-stage grinding device for granulated blast furnace slag provided by the utility model;

[0019] Figure 3 A schematic diagram of the grinding bucket structure of a two-stage grinding device for granulated blast furnace slag provided by the utility model;

[0020] Figure 4 The utility model provides a schematic diagram of the internal structure of a grinding bucket of a two-stage grinding device for granulated blast furnace slag.

[0021] Numbers in the figure:

[0022] 1. Device body; 2. Feed hopper; 3. Sealing cover; 4. First drive motor; 5. Controller; 6. Second drive motor; 7. Support legs; 8. Discharge pipe; 9. First spindle; 10. Grinding head; 11. Grinding hopper; 12. Dropping hole; 13. First crushing blade; 14. First grinding convex particle; 15. Second grinding convex particle; 16. Second spindle; 17. Second crushing blade; 18. Filter hole. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] First embodiment

[0025] Please refer to Figure 1-4 A secondary grinding device for granulated blast furnace slag comprises a device body 1, a grinding bucket 11 is arranged inside the device body 1, a sealing cover 3 is arranged on the top surface of the device body 1, a first driving motor 4 is arranged on the top of the sealing cover 3, a first main shaft 9 is arranged on the output end of the first driving motor 4 through the surface of the sealing cover 3, a grinding bucket 11 is arranged on the bottom end of the first main shaft 9, a first crushing blade 13 is arranged above the side surface of the grinding head 10, a first grinding convex particle 14 is arranged below the first crushing blade 13, and a second grinding convex particle 15 is arranged below the first grinding convex particle 14.

[0026] By setting a grinding bucket 11 (wherein the upper dimension of the grinding bucket 11 is larger than the upper dimension of the grinding head 10), and at the same time, a first crushing blade 13 is set above the surface of the grinding head 10, so that when working, the first drive motor 4 is started, and then the first drive motor 4 drives the grinding head 10 to rotate through the main shaft, and then the slag is put into the device body 1 through the feeding hopper 2, and then the slag falls on the grinding head 10, and then under the rotation of the first crushing blade 13, the slag stuck in the grinding head 10 and the grinding bucket 11 is crushed, and then smoothly enters the bottom, and then the first grinding protrusion 14 and the second grinding protrusion 15 are used for subsequent grinding. This method is simple to operate and facilitates the smooth feeding of slag.

[0027] The working principle of the two-stage grinding device for granulated blast furnace slag provided by the utility model is as follows:

[0028] During operation, the first drive motor 4 is started, and then the first drive motor 4 drives the grinding head 10 to rotate through the main shaft, and then the slag is put into the device body 1 through the feed hopper 2, and then the slag falls above the grinding head 10, and then the first crushing blade 13 rotates to crush the slag stuck in the grinding head 10 and the grinding bucket 11, and then smoothly enters the bottom, and then the first grinding convex particles 14 and the second grinding convex particles 15 are used for subsequent grinding. This method is simple to operate and is convenient for smoothly feeding the slag. By setting the grinding head 10 as a hollow structure, after the slag enters the device body 1, a part of the slag will enter the grinding head 10 through the drop hole 12, and then the second drive motor 6 is started, and then the second drive motor 6 drives the second crushing blade 17 to rotate through the second main shaft 16, so that the second crushing blade 17 crushes the slag inside the grinding head 10, and then enters between the grinding head 10 and the grinding bucket 11 through the filter hole 18 for subsequent grinding. This method is simple to operate and greatly improves its work efficiency.

[0029] Compared with the related art, the two-stage grinding device for granulated blast furnace slag provided by the utility model has the following beneficial effects:

[0030] By setting a grinding bucket 11 (wherein the upper dimension of the grinding bucket 11 is larger than the upper dimension of the grinding head 10), and at the same time, a first crushing blade 13 is set above the surface of the grinding head 10, so that when working, the first drive motor 4 is started, and then the first drive motor 4 drives the grinding head 10 to rotate through the main shaft, and then the slag is put into the inside of the device body 1 through the feed hopper 2, and then the slag falls above the grinding head 10, and then under the rotation of the first crushing blade 13, the slag stuck in the grinding head 10 and the grinding bucket 11 is crushed, and then smoothly enters the bottom, and then passes through the first grinding convex 14 and the second grinding convex 1 5 for subsequent grinding. This method is simple to operate and is convenient for smoothly feeding the slag. By setting the grinding head 10 as a hollow structure, after the slag enters the inside of the device body 1, a part of the slag will enter the inside of the grinding head 10 through the drop hole 12, and then the second drive motor 6 is started, and then the second drive motor 6 drives the second crushing blade 17 to rotate through the second main shaft 16, so that the second crushing blade 17 crushes the slag inside the grinding head 10, and then enters the grinding head 10 and the grinding bucket 11 through the filter hole 18 for subsequent grinding. This method is simple to operate and greatly improves its work efficiency.

[0031] Second embodiment

[0032] Please refer to Figure 1-4 Based on the two-stage grinding device for granulated blast furnace slag provided in the first embodiment of the present application, the second embodiment of the present application proposes another two-stage grinding device for granulated blast furnace slag. The second embodiment is only a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the independent implementation of the first embodiment.

[0033] Specifically, the second embodiment of the present application provides a secondary grinding device for granulated blast furnace slag, which is different in that the grinding head 10 is a hollow structure, a blanking hole 12 is provided on the top surface of the grinding head 10, a second drive motor 6 is provided at the bottom end of the device body 1, and the output end of the second drive motor 6 passes through the bottom surface of the device body 1 and extends to the inside of the grinding head 10, and a second crushing blade 17 is provided on the outer surface of the second spindle 16 located inside the grinding head 10, and a filter hole 18 is provided on the surface of the grinding head 10. By setting the grinding head 10 as a hollow structure, after the slag enters the inside of the device body 1, a part of the slag will enter the inside of the grinding head 10 through the blanking hole 12, and then the second drive motor 6 is started, and then the second drive motor 6 drives the second crushing blade 17 to rotate through the second spindle 16, so that the second crushing blade 17 crushes the slag inside the grinding head 10, and then enters between the grinding head 10 and the grinding bucket 11 through the filter hole 18 for subsequent grinding. This method is simple to operate and greatly improves its work efficiency.

[0034] With this technical solution, a plurality of first crushing blades 13 are provided, and the plurality of first crushing blades 13 are equidistantly mounted around the side surface of the grinding head 10 .

[0035] With this technical solution, the diameter of the first grinding protrusion 14 is larger than that of the second grinding protrusion 15. By making the diameter of the first grinding protrusion 14 larger than that of the second grinding protrusion 15, the slag can be ground more finely.

[0036] By adopting this technical solution, a feed hopper 2 is provided above the surface of the device body 1, and a discharge pipe 8 is provided below the surface of the device body 1. The feed hopper 2 is provided to facilitate the feeding of slag, and the discharge pipe 8 is provided to facilitate the discharge of the ground slag.

[0037] With this technical solution, a supporting leg 7 is provided at the bottom of the device body 1, and a plurality of supporting legs 7 are provided, and the plurality of supporting legs 7 are installed at equal distances at the four corners of the bottom of the device body 1. By providing the supporting legs 7, it is convenient to support the device body 1, thereby ensuring the stability of the device body 1 during operation.

[0038] With this technical solution, a controller 5 is installed on the outer surface of the device body 1. By setting up the controller 5, it is convenient to control the electrical components inside the device body 1. The control circuit of the controller 5 can be realized by simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection will not be described in detail.

[0039] It should be noted that all kinds of components used in this application document are standard parts and can be purchased on the market. The specific connection methods of each part adopt conventional means such as mature bolts, rivets and welding in the existing technology. Machinery, parts and electrical equipment all adopt conventional models in the existing technology. Circuit connections adopt conventional connection methods in the existing technology. Electrical equipment are connected to an external safe power supply, and no specific description is given here.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A secondary grinding device for granulated blast furnace slag, comprising a device body (1), characterized in that: A grinding bucket (11) is arranged inside the device body (1), a sealing cover (3) is arranged on the top surface of the device body (1), a first driving motor (4) is arranged on the top of the sealing cover (3), a first main shaft (9) is arranged at the output end of the first driving motor (4) and passes through the surface of the sealing cover (3), a grinding bucket (11) is arranged at the bottom end of the first main shaft (9), a first crushing blade (13) is arranged above the peripheral side of the grinding head (10), a first grinding convex particle (14) is arranged below the first crushing blade (13), and a second grinding convex particle (15) is arranged below the first grinding convex particle (14).

2. The two-stage grinding device for granulated blast furnace slag according to claim 1, characterized in that: The grinding head (10) is a hollow structure, a material drop hole (12) is provided on the top surface of the grinding head (10), a second drive motor (6) is provided at the bottom end of the device body (1), an output end of the second drive motor (6) passes through the bottom surface of the device body (1) and extends to the inside of the grinding head (10), a second crushing blade (17) is provided on the outer surface of the second spindle (16) and is located inside the grinding head (10), and a filter hole (18) is provided through the surface of the grinding head (10).

3. The two-stage grinding device for granulated blast furnace slag according to claim 1, characterized in that: A plurality of the first crushing blades (13) are provided, and the plurality of first crushing blades (13) are equidistantly mounted around the side surface of the grinding head (10).

4. The two-stage grinding device for granulated blast furnace slag according to claim 1, characterized in that: The diameter of the first grinding protrusion (14) is greater than the diameter of the second grinding protrusion (15).

5. The two-stage grinding device for granulated blast furnace slag according to claim 1, characterized in that: A feed hopper (2) is provided through the surface of the device body (1), and a discharge pipe (8) is provided through the surface of the device body (1).

6. The two-stage grinding device for granulated blast furnace slag according to claim 1, characterized in that: A supporting leg (7) is provided at the bottom end of the device body (1), and a plurality of supporting legs (7) are provided, and the plurality of supporting legs (7) are installed at equal distances at the four corners of the bottom end of the device body (1).

7. The two-stage grinding device for granulated blast furnace slag according to claim 1, characterized in that: A controller (5) is installed on the outer surface of the device body (1).

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