Ultrafine grinding device based on inorganic minerals

By setting up a pretreatment crushing device and a grinding device in the ultrafine grinding device of inorganic minerals, the problems of poor grinding effect and difficulty in dust treatment in the prior art are solved, and more efficient fine grinding and more proper dust treatment are achieved.

CN222724484UActive Publication Date: 2025-04-08JIANGSU JINENGDA ENVIRONMENTAL ENERGY SCI & TECH
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Patent Information

Application Number
CN202421316448.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-04-08
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

During the processing of inorganic minerals, existing ultrafine grinding devices do not have the effect of grinding inorganic minerals, and the dust generated during the grinding process is difficult to properly handle.

Method used

An ultrafine grinding device based on inorganic minerals is designed, which includes a pretreatment and crushing device and a grinding device. By first pretreatment and crushing the inorganic minerals, then fine grinding, the fine grinding effect is improved, and the dust generated during crushing is treated by a vacuum cleaner.

Benefits of technology

It improves the fine grinding effect of inorganic minerals and effectively deals with dust generated during crushing and grinding, improving the safety and efficiency of the process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of inorganic mineral processing, in particular to an ultrafine grinding device based on inorganic minerals. By arranging the device, the inorganic minerals can be pre-treated and crushed first, and then ground, thereby improving the fine grinding effect and properly handling the dust generated by the crushing and grinding of the inorganic minerals; the utility model comprises a fine grinding barrel, three groups of legs, a feed hopper, a crushing device, a grinding device, a feeding device and a dust collecting device, the bottom end of the fine grinding barrel is connected and provided with a discharge hopper, the three groups of legs are installed on the outside of the discharge hopper, the feed hopper is installed on the top end of the fine grinding barrel and communicates with the fine grinding barrel, the crushing device is installed on the upper part of the fine grinding barrel, the grinding device is installed on the lower part of the fine grinding barrel, the feeding device is installed on the output end of the discharge hopper, and the dust collecting device is installed on the top of the fine grinding barrel.
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Description

Technical Field

[0001] The utility model relates to the technical field of inorganic mineral processing, in particular to an ultrafine grinding device based on inorganic minerals. Background Art

[0002] Inorganic minerals are solid substances in nature and belong to the category of inorganic compounds. They are not produced by biological processes, but are formed through the geological processes of the earth. Inorganic minerals have definite chemical compositions and crystal structures and are the basic units that make up rocks and ores. These minerals are widely distributed in all layers of the earth, from the deep crust to the surface, and even in the ocean and atmosphere.

[0003] In the process of processing inorganic minerals, ultrafine grinding devices are needed to grind them. Ultrafine grinding devices refer to mechanical equipment used to crush inorganic mineral materials into extremely fine particles (usually micron or submicron level). These devices are widely used in mining, building materials, chemicals, ceramics, coatings, papermaking and other industries to meet the demand for high-performance, high-value-added mineral materials.

[0004] Usually, inorganic minerals are placed directly in the ultrafine grinding device, which has a poor grinding effect and the dust generated during grinding cannot be properly handled. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an ultrafine grinding device based on inorganic minerals, which can pre-treat and crush inorganic minerals before grinding them, thereby improving the fine grinding effect and properly treating the dust generated by the crushing and grinding of inorganic minerals.

[0006] The utility model discloses an ultrafine grinding device based on inorganic minerals, comprising a fine grinding barrel, three groups of legs, a feed hopper, a crushing device, a grinding device, a feeding device and a dust collecting device. The bottom end of the fine grinding barrel is connected with a discharge hopper, the three groups of legs are installed on the outside of the discharge hopper, the feed hopper is installed on the top of the fine grinding barrel and communicates with the fine grinding barrel, the crushing device is installed on the upper part of the fine grinding barrel, the grinding device is installed on the lower part of the fine grinding barrel, the feeding device is installed on the output end of the discharge hopper, and the dust collecting device is installed on the top of the fine grinding barrel.

[0007] Preferably, the crushing device includes two sets of rotating shafts, two sets of crushing knife rollers and a transmission device. The two sets of rotating shafts are rotatably installed in the upper part of the fine grinding barrel. The rear ends of the two sets of rotating shafts pass through the rear end of the fine grinding barrel and extend to the outside thereof. The two sets of crushing knife rollers are installed on the two sets of rotating shafts. The two sets of crushing knife rollers are meshed with each other. The two sets of crushing knife rollers are located inside the fine grinding barrel. The transmission device is installed on the upper side of the rear end of the fine grinding barrel, and the transmission device is cooperatively connected with the rear ends of the two sets of rotating shafts.

[0008] Preferably, the grinding device includes a material guide hopper, a fixed grinding disc, a movable grinding disc, a second discharge valve and a power unit. The material guide hopper is installed in the middle part of the fine grinding barrel, the fixed grinding disc is fixedly installed in the lower part of the fine grinding barrel, the middle part of the fixed grinding disc is connected with a material guide port, the output end of the material guide hopper is connected with the material guide port of the fixed grinding disc, the movable grinding disc is rotatably installed at the bottom of the fine grinding barrel, the movable grinding disc is tightly attached to the fixed grinding disc, the movable grinding disc is eccentrically connected with a second discharge pipe, the second discharge valve is installed on the second discharge pipe, the power unit is installed on the lower side of the right end of the fine grinding barrel, and the power unit is cooperatively connected with the movable grinding disc.

[0009] Preferably, the unloading device includes a conveying box, a first motor, a spiral conveying roller and a first discharge valve. The conveying box is installed on the right side of the outer end of the discharge hopper through two sets of fixed rods. The output end of the discharge hopper is connected to the top of the conveying box. The first motor is installed at the left end of the conveying box. The spiral conveying roller is rotatably installed inside the conveying box. The output end of the first motor passes through the left end of the conveying box and is connected to the left end of the spiral conveying roller. The lower part of the right end of the conveying box is connected to a first discharge pipe, and the first discharge valve is installed on the first discharge pipe.

[0010] Preferably, the power device includes a second motor, a gear and a lower gear ring. The second motor is installed on the lower side of the right end of the fine grinding barrel. The output end of the second motor passes through the right end of the fine grinding barrel and is connected to the gear. The lower gear ring is installed at the bottom end of the moving grinding disk, and the gear is meshed with the lower gear ring.

[0011] Preferably, the transmission device includes a support frame, a third motor, a driving pulley, a driven pulley and a belt. The support frame is installed on the upper side of the rear end of the fine grinding barrel, the third motor is installed on the top of the support frame, the driving pulley is installed at the rear end of the right rotating shaft, and the driven pulley is installed at the rear end of the left rotating shaft. The driving pulley and the driven pulley are synchronously driven by a belt, and the output end of the third motor is connected to the rear end of the right rotating shaft.

[0012] Preferably, the dust suction device includes a dust hopper, a hose, a filter box, a filter screen and an air pump. The dust hopper is installed on the front side of the top end of the fine grinding barrel. The input end of the hose passes through the front side of the top end of the fine grinding barrel and is connected with the dust hopper. The output end of the hose is connected with the filter box. The filter box and the air pump are both installed on the right side of the top end of the fine grinding barrel. The input end of the air pump is connected with the right end of the filter box, and the filter screen is installed inside the filter box.

[0013] Preferably, two groups of baffles are further included, and the two groups of baffles are symmetrically and obliquely installed on the upper left and upper right sides of the fine grinding barrel.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: the inorganic mineral is introduced into the fine grinding barrel through the feed hopper, the crushing device crushes the inorganic mineral, the crushed inorganic mineral is introduced into the grinding device for fine grinding, and the finely ground inorganic mineral is introduced into the unloading device through the discharge hopper for discharge. When the inorganic mineral is crushed, dust is generated, and the dust in the fine grinding barrel is processed by turning on the dust suction device. By setting up this equipment, the inorganic mineral can be pre-processed and crushed first, and then ground, which improves the fine grinding effect and can properly handle the dust generated by the crushing and grinding of the inorganic mineral. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front cross-sectional structural schematic diagram of the utility model;

[0016] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0017] Figure 3 yes Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0018] Figure 4 yes Figure 1 A schematic diagram of the enlarged structure of B;

[0019] Markings in the attached drawings: 1. fine grinding barrel; 2. support legs; 3. feed hopper; 4. rotating shaft; 5. crushing knife roller; 6. guide hopper; 7. fixed grinding disc; 8. dynamic grinding disc; 9. conveying box; 10. first motor; 11. spiral conveying roller; 12. first discharge valve; 13. first discharge pipe; 14. discharge hopper; 15. second motor; 16. gear; 17. lower gear ring; 18. support frame; 19. third motor; 20. driving pulley; 21. driven pulley; 22. belt; 23. dust hopper; 24. hose; 25. filter box; 26. filter screen; 27. air pump; 28. second discharge pipe; 29. ​​second discharge valve; 30. baffle. DETAILED DESCRIPTION

[0020] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0021] like Figures 1 to 4As shown, the ultrafine grinding device based on inorganic minerals of the utility model comprises a fine grinding barrel 1, three groups of legs 2, a feed hopper 3, a crushing device, a grinding device, a feeding device and a dust collecting device, the bottom end of the fine grinding barrel 1 is connected with a discharge hopper 14, the three groups of legs 2 are installed on the outside of the discharge hopper 14, the feed hopper 3 is installed on the top of the fine grinding barrel 1 and communicates with the fine grinding barrel 1, the crushing device is installed on the upper part of the fine grinding barrel 1, the grinding device is installed on the lower part of the fine grinding barrel 1, the feeding device is installed on the output end of the discharge hopper 14, and the dust collecting device is installed on the top of the fine grinding barrel 1;

[0022] The inorganic mineral is introduced into the fine grinding barrel 1 through the feed hopper 3, and the crushing device crushes the inorganic mineral. The crushed inorganic mineral is introduced into the grinding device for fine grinding. The finely ground inorganic mineral is introduced into the unloading device through the discharge hopper 14 and discharged. When the inorganic mineral is crushed, dust is generated. The dust in the fine grinding barrel 1 is processed by turning on the dust suction device. By setting up this equipment, the inorganic mineral can be pre-processed and crushed first, and then ground, which improves the fine grinding effect and can properly deal with the dust generated by the crushing and grinding of the inorganic mineral.

[0023] As a preferred embodiment of the above, the crushing device includes two sets of rotating shafts 4, two sets of crushing knife rollers 5 and a transmission device. The two sets of rotating shafts 4 are rotatably mounted on the upper inner part of the fine grinding barrel 1. The rear ends of the two sets of rotating shafts 4 pass through the rear end of the fine grinding barrel 1 and extend to the outside thereof. The two sets of crushing knife rollers 5 are mounted on the two sets of rotating shafts 4. The two sets of crushing knife rollers 5 are meshed with each other. The two sets of crushing knife rollers 5 are located inside the fine grinding barrel 1. The transmission device is mounted on the upper side of the rear end of the fine grinding barrel 1, and the transmission device is matched and connected with the rear ends of the two sets of rotating shafts 4.

[0024] By setting the rotating shaft 4, the crushing knife roller 5 and the transmission device, and by turning on the transmission device, the transmission device drives the two sets of rotating shafts 4 to rotate, and the two sets of rotating shafts 4 drive the two sets of crushing knife rollers 5 to crush the inorganic minerals, thereby crushing the inorganic minerals.

[0025] As a preferred embodiment of the above, the grinding device includes a guide hopper 6, a fixed grinding disc 7, a dynamic grinding disc 8, a second discharge valve 29 and a power device. The guide hopper 6 is installed in the middle of the fine grinding barrel 1, the fixed grinding disc 7 is fixedly installed in the lower part of the fine grinding barrel 1, the middle of the fixed grinding disc 7 is connected with a guide port, the output end of the guide hopper 6 is connected with the guide port of the fixed grinding disc 7, the dynamic grinding disc 8 is rotatably installed at the bottom of the fine grinding barrel 1, the dynamic grinding disc 8 is tightly attached to the fixed grinding disc 7, the dynamic grinding disc 8 is eccentrically connected with a second discharge pipe 28, the second discharge valve 29 is installed on the second discharge pipe 28, the power device is installed on the lower right end of the fine grinding barrel 1, and the power device is connected with the dynamic grinding disc 8;

[0026] By setting the guide hopper 6, the fixed grinding disc 7, the dynamic grinding disc 8, the second discharge pipe 28, the second discharge valve 29 and the power device, the crushed inorganic mineral is introduced into between the fixed grinding disc 7 and the dynamic grinding disc 8 through the guide hopper 6. By turning on the power device, the dynamic grinding disc 8 is driven to rotate, and the dynamic grinding disc 8 cooperates with the fixed grinding disc 7 to grind the inorganic mineral. After the inorganic mineral is ground, the second discharge valve 29 is opened to allow the inorganic mineral to be introduced into the discharge device through the second discharge pipe 28 and the discharge hopper 14, thereby grinding the inorganic mineral.

[0027] As a preferred embodiment of the above, the unloading device includes a conveying box 9, a first motor 10, a spiral conveying roller 11 and a first discharge valve 12. The conveying box 9 is installed on the right side of the outer end of the discharge hopper 14 through two sets of fixed rods. The output end of the discharge hopper 14 is connected to the top of the conveying box 9. The first motor 10 is installed on the left end of the conveying box 9. The spiral conveying roller 11 is rotatably installed inside the conveying box 9. The output end of the first motor 10 passes through the left end of the conveying box 9 and is connected to the left end of the spiral conveying roller 11. The lower part of the right end of the conveying box 9 is connected to a first discharge pipe 13, and the first discharge valve 12 is installed on the first discharge pipe 13;

[0028] By setting the conveying box 9, the first motor 10, the spiral conveying roller 11, the first discharge valve 12 and the first discharge pipe 13, the ground inorganic minerals are introduced into the conveying box 9 through the second discharge pipe 28 and the discharge hopper 14, and the first motor 10 and the first discharge valve 12 are opened, the first motor 10 drives the spiral conveying roller 11 to rotate, and the spiral conveying roller 11 conveys the inorganic minerals to the first discharge pipe 13 for discharge, which can not only avoid the agglomeration of the finely ground inorganic minerals as much as possible, but also ensure that the finely ground inorganic minerals are discharged more evenly and smoothly.

[0029] As a preferred embodiment of the above, the power device includes a second motor 15, a gear 16 and a lower gear ring 17. The second motor 15 is installed at the lower side of the right end of the fine grinding barrel 1. The output end of the second motor 15 passes through the right end of the fine grinding barrel 1 and is connected to the gear 16. The lower gear ring 17 is installed at the bottom end of the moving grinding disc 8, and the gear 16 is meshed with the lower gear ring 17.

[0030] By setting the second motor 15, the gear 16 and the lower gear ring 17, by turning on the second motor 15, the second motor 15 drives the gear 16 to rotate, the gear 16 is meshed with the lower gear ring 17, and the lower gear ring 17 drives the dynamic grinding disc 8 to rotate, and the dynamic grinding disc 8 and the fixed grinding disc 7 cooperate to grind the inorganic minerals, thereby providing power to the dynamic grinding disc 8.

[0031] As a preferred embodiment of the above, the transmission device includes a support frame 18, a third motor 19, a driving pulley 20, a driven pulley 21 and a belt 22. The support frame 18 is mounted on the upper side of the rear end of the fine grinding barrel 1, the third motor 19 is mounted on the top of the support frame 18, the driving pulley 20 is mounted on the rear end of the right rotating shaft 4, and the driven pulley 21 is mounted on the rear end of the left rotating shaft 4. The driving pulley 20 and the driven pulley 21 are synchronously driven by the belt 22, and the output end of the third motor 19 is connected to the rear end of the right rotating shaft 4;

[0032] By arranging the support frame 18, the third motor 19, the driving pulley 20, the driven pulley 21 and the belt 22, and by turning on the third motor 19, the third motor 19 drives the right rotating shaft 4 to rotate, the right rotating shaft 4 drives the driving pulley 20 to rotate, the driving pulley 20 drives the left driven pulley 21 to rotate through the belt 22, the left driven pulley 21 drives the left rotating shaft 4 to rotate, and the two groups of rotating shafts 4 drive the two groups of crushing knife rollers 5 to rotate to crush the inorganic minerals, thereby providing power to the two groups of rotating shafts 4.

[0033] As a preferred embodiment of the above, the dust suction device includes a dust suction hopper 23, a hose 24, a filter box 25, a filter screen 26 and an air pump 27. The dust suction hopper 23 is installed on the front side of the top of the fine grinding barrel 1. The input end of the hose 24 passes through the front side of the top of the fine grinding barrel 1 and is connected to the dust suction hopper 23. The output end of the hose 24 is connected to the filter box 25. The filter box 25 and the air pump 27 are both installed on the right side of the top of the fine grinding barrel 1. The input end of the air pump 27 is connected to the right end of the filter box 25. The filter screen 26 is installed inside the filter box 25.

[0034] By arranging a dust hopper 23, a hose 24, a filter box 25, a filter screen 26 and an air pump 27, and by turning on the air pump 27, the dust generated by the crushing of inorganic minerals in the fine grinding barrel 1 is introduced into the filter box 25 through the dust hopper 23 and the hose 24, the filter screen 26 filters the dust in the air, and the air is discharged through the air pump 27, thereby playing a role in treating the dust generated by the crushing of inorganic minerals in the fine grinding barrel 1.

[0035] As a preferred embodiment of the above, two sets of baffles 30 are further included, and the two sets of baffles 30 are symmetrically and obliquely installed on the upper left and upper right sides of the fine grinding barrel 1;

[0036] By providing the baffle 30, the inorganic minerals can be introduced more concentratedly between the two groups of crushing rollers 5, thereby ensuring the crushing effect.

[0037] The ultrafine grinding device based on inorganic minerals of the utility model, when working, first introduces the inorganic mineral into the fine grinding barrel 1 through the feed hopper 3, turns on the third motor 19, the third motor 19 drives the right rotating shaft 4 to rotate, the right rotating shaft 4 drives the driving pulley 20 to rotate, the driving pulley 20 drives the left driven pulley 21 to rotate through the belt 22, the left driven pulley 21 drives the left rotating shaft 4 to rotate, the two groups of rotating shafts 4 drive the two groups of crushing knife rollers 5 to rotate to crush the inorganic minerals, the crushed inorganic minerals are introduced between the fixed grinding disc 7 and the movable grinding disc 8 through the guide hopper 6, and the second motor 15 is turned on, the second motor 15 drives the gear 16 to rotate, the gear 16 is meshed with the lower gear ring 17, and the lower gear ring 17 is engaged with the lower gear ring 17. Then the dynamic grinding disc 8 is driven to rotate, and the dynamic grinding disc 8 and the fixed grinding disc 7 cooperate to grind the inorganic mineral. After the inorganic mineral is ground, the second discharge valve 29 is opened to allow the inorganic mineral to be introduced into the conveying box 9 through the second discharge pipe 28 and the discharge hopper 14, and then the first motor 10 and the first discharge valve 12 are opened, and the first motor 10 drives the spiral conveying roller 11 to rotate, and the spiral conveying roller 11 conveys the inorganic mineral to the first discharge pipe 13 for discharge. When the inorganic mineral is crushed, dust is generated. By turning on the air pump 27, the dust generated by the crushing of the inorganic mineral in the fine grinding barrel 1 is introduced into the filter box 25 through the dust suction hopper 23 and the hose 24, and the filter screen 26 filters the dust in the air, and the air is discharged through the air pump 27.

[0038] The installation method, connection method or setting method of the ultrafine grinding device based on inorganic minerals of the utility model are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the first motor 10, the second motor 15, the third motor 19 and the air pump 27 of the ultrafine grinding device based on inorganic minerals of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An ultrafine grinding device based on inorganic minerals, characterized in that: The invention comprises a fine grinding barrel (1), three groups of legs (2), a feed hopper (3), a crushing device, a grinding device, a material discharge device and a dust collecting device. The bottom end of the fine grinding barrel (1) is connected to a material discharge hopper (14). The three groups of legs (2) are installed outside the material discharge hopper (14). The feed hopper (3) is installed at the top of the fine grinding barrel (1) and is connected to the fine grinding barrel (1). The crushing device is installed at the upper part of the fine grinding barrel (1). The grinding device is installed at the lower part of the fine grinding barrel (1). The material discharge device is installed at the output end of the material discharge hopper (14). The dust collecting device is installed at the top of the fine grinding barrel (1).

2. The ultrafine grinding device based on inorganic minerals according to claim 1, characterized in that: The crushing device comprises two groups of rotating shafts (4), two groups of crushing knife rollers (5) and a transmission device. The two groups of rotating shafts (4) are rotatably mounted on the upper inner part of the fine grinding barrel (1). The rear ends of the two groups of rotating shafts (4) pass through the rear end of the fine grinding barrel (1) and extend to the outside thereof. The two groups of crushing knife rollers (5) are mounted on the two groups of rotating shafts (4). The two groups of crushing knife rollers (5) are meshed with each other. The two groups of crushing knife rollers (5) are located inside the fine grinding barrel (1). The transmission device is mounted on the upper side of the rear end of the fine grinding barrel (1). The transmission device is matched and connected with the rear ends of the two groups of rotating shafts (4).

3. The ultrafine grinding device based on inorganic minerals according to claim 2, characterized in that: The grinding device comprises a material guide hopper (6), a fixed grinding disc (7), a movable grinding disc (8), a second discharge valve (29) and a power device. The material guide hopper (6) is installed in the middle of the fine grinding barrel (1). The fixed grinding disc (7) is fixedly installed in the lower part of the fine grinding barrel (1). A material guide port is provided in the middle of the fixed grinding disc (7). The output end of the material guide hopper (6) is connected with the material guide port of the fixed grinding disc (7). The movable grinding disc (8) is rotatably installed in the bottom of the fine grinding barrel (1). The movable grinding disc (8) is tightly attached to the fixed grinding disc (7). A second discharge pipe (28) is eccentrically connected to the movable grinding disc (8). The second discharge valve (29) is installed on the second discharge pipe (28). The power device is installed on the lower side of the right end of the fine grinding barrel (1). The power device is matched and connected with the movable grinding disc (8).

4. The ultrafine grinding device based on inorganic minerals according to claim 3, characterized in that: The unloading device comprises a conveying box (9), a first motor (10), a spiral conveying roller (11) and a first discharge valve (12); the conveying box (9) is installed on the right side of the outer end of the discharge hopper (14) through two sets of fixing rods; the output end of the discharge hopper (14) is connected to the top of the conveying box (9); the first motor (10) is installed at the left end of the conveying box (9); the spiral conveying roller (11) is rotatably installed inside the conveying box (9); the output end of the first motor (10) passes through the left end of the conveying box (9) and is connected to the left end of the spiral conveying roller (11); the lower part of the right end of the conveying box (9) is connected to a first discharge pipe (13); and the first discharge valve (12) is installed on the first discharge pipe (13).

5. The ultrafine grinding device based on inorganic minerals according to claim 4, characterized in that: The power device comprises a second motor (15), a gear (16) and a lower gear ring (17). The second motor (15) is mounted on the lower side of the right end of the fine grinding barrel (1). The output end of the second motor (15) passes through the right end of the fine grinding barrel (1) and is connected to the gear (16). The lower gear ring (17) is mounted on the bottom end of the moving grinding disc (8), and the gear (16) is meshed with the lower gear ring (17).

6. The ultrafine grinding device based on inorganic minerals according to claim 5, characterized in that: The transmission device comprises a support frame (18), a third motor (19), a driving pulley (20), a driven pulley (21) and a belt (22), wherein the support frame (18) is mounted on the upper side of the rear end of the fine grinding barrel (1), the third motor (19) is mounted on the top of the support frame (18), the driving pulley (20) is mounted on the rear end of the right rotating shaft (4), the driven pulley (21) is mounted on the rear end of the left rotating shaft (4), the driving pulley (20) and the driven pulley (21) are synchronously driven by the belt (22), and the output end of the third motor (19) is connected to the rear end of the right rotating shaft (4).

7. The ultrafine grinding device based on inorganic minerals according to claim 6, characterized in that: The dust suction device comprises a dust suction hopper (23), a hose (24), a filter box (25), a filter screen (26) and an air pump (27). The dust suction hopper (23) is mounted on the front side of the top end of the fine grinding barrel (1). The input end of the hose (24) passes through the front side of the top end of the fine grinding barrel (1) and is connected with the dust suction hopper (23). The output end of the hose (24) is connected with the filter box (25). The filter box (25) and the air pump (27) are both mounted on the right side of the top end of the fine grinding barrel (1). The input end of the air pump (27) is connected with the right end of the filter box (25). The filter screen (26) is mounted inside the filter box (25).

8. The ultrafine grinding device based on inorganic minerals according to claim 7, characterized in that: It also comprises two groups of baffles (30), which are symmetrically and obliquely installed on the upper left and upper right sides of the fine grinding barrel (1).