Anti-condensation device of powder grinding and selecting machine for cement processing

Abstract

The invention discloses an anti-condensation device of a powder grinding and selecting machine for cement processing, and belongs to the technical field of cement processing devices. A powder grinding and selecting machine anti-condensation device for cement processing comprises an air bellow, a crushing box communicated with the air bellow is fixedly installed on the surface of the top end of the air bellow, a powder grinding and selecting box communicated with the crushing box is fixedly installed on the surface of the top end of the crushing box, a circular truncated cone column is fixedly installed in the powder grinding and selecting box, and a lower disc is fixedly installed on the surface of the circular truncated cone column. An upper disc sealed with the inner wall of the powder grinding and selecting box is fixedly mounted above the lower disc; and a plurality of rotatable outer air guide blades are arranged between the lower disc and the upper disc. Compared with a traditional fixed blade, the anti-condensation device of the powder grinding and selecting machine for cement processing has the advantages that the adjustable air guide blade enables air flow to flow evenly, powder selecting efficiency is improved, backflow of cement fine powder materials is avoided, abrasion to the inner air guide blade and the outer air guide blade is reduced, the service life of the air guide blade is prolonged, and the service life of the powder grinding and selecting machine is prolonged. And the noise is reduced due to uniform airflow flowing.

Description

Technical Field

[0001] The invention relates to the technical field of cement processing devices, and more specifically to an anti-condensation device for a grinding and selecting machine used in cement processing. Background Art

[0002] As an important building material, cement has a wide range of applications, covering civil engineering, water conservancy engineering, national defense engineering and other fields. It can not only be used alone, but more commonly combined with sand and gravel to form mortar or concrete. The cement processing grinding mill is an indispensable and important equipment in modern cement production. Its main function is to separate the finished fine powder from the coarse powder in the cement through air flow.

[0003] Chinese patent application number CN202321201891.8 discloses an anti-condensation device for a powder mill for cement processing, comprising a powder mill main body, a heat-conducting lining, legs, a rotating shaft and spiral blades. The inner side wall of the powder mill main body is fixedly provided with a heat-conducting lining, a cooling chamber is formed between the heat-conducting lining and the powder mill main body, legs are provided at the bottom end of the powder mill main body, the rotating shaft passes through the powder mill main body and is rotatably connected to the powder mill main body, the interior of the rotating shaft is hollow, and also includes a driving assembly, a cooling assembly and a discharge assembly, the output end of the cooling assembly is respectively connected to the bottom end of the rotating shaft and the cooling chamber, a feed pipe is provided at the top of the powder mill main body, a discharge assembly is provided at the bottom end of the powder mill main body, and the input end of the discharge assembly is connected to the inside of the powder mill main body.

[0004] The above technical scheme cools the cement powder inside the main body of the powder mill and selector simultaneously on the inside and outside by cooling water inside the rotating shaft and cooling water in the cooling chamber, and has achieved anti-condensation. However, when the powder mill and selector is working, the block cement is placed in the crushing chamber for crushing, and then the fine powder is blown upward by high-speed airflow, and the fine powder is screened out by a separator composed of air guide blades inside the powder mill and selector. Traditional powder mills and selectors usually use fixed air guide blades to guide the airflow to achieve material separation. However, the fixed air guide blades cannot adapt to the constantly changing airflow conditions, resulting in uneven airflow, which in turn affects the powder selection efficiency. The fixed air guide blades are prone to cause material reflux, which not only increases the wear of the material on the blades, but may also cause equipment failure. Unstable airflow can also cause high noise in the device, affecting the working environment. Summary of the invention

[0005] The object of the present invention is to provide a device for preventing condensation of a powder mill for cement processing, so as to solve the problems raised in the above-mentioned background technology: In order to achieve the above object, the present invention provides the following technical solutions: The cam is an air filter that is configured to move the air filter cap and the air filter cap to move the air filter cap back into the air filter cap, and the cam is an air filter cap that is configured to move the air filter cap back into the air filter cap.

[0006] By adopting the above technical solution, the rotation of the outer gear drives the first rotating shaft to rotate, and the multiple outer air guide blades follow the rotation of the first rotating shaft to adjust the angle, and the rotation of the active tooth drives the inner gear ring to rotate, so that the rotation of the internal gear drives the second rotating shaft to rotate, so that the multiple inner air guide blades follow the rotation direction and angle of the outer air guide blades to rotate accordingly. Compared with traditional fixed blades, the adjustable air guide blades make the airflow flow evenly, improve the efficiency of powder selection, and avoid the backflow of cement fine powder materials, thereby reducing the wear on the inner and outer air guide blades, thereby extending the service life of the guide blades, and the airflow flows evenly and reduces noise.

[0007] Preferably, the surface of the upper disc is rotatably connected to an outer gear ring, one end of any one of the first rotating shafts extends to above the upper disc, and an outer gear meshing with the outer gear ring is fixedly mounted on one end surface of the first rotating shaft, and an inner gear ring meshing with the inner gear ring is rotatably connected to the surface of the upper disc, and the inner gear ring is located on the inner side of the outer gear ring, one end of the second rotating shaft extends to above the upper disc, and an inner gear meshing with the inner gear ring is fixedly mounted on one end surface of the second rotating shaft.

[0008] By adopting the above technical solution, the outer gear ring and the outer gear mesh to transmit power and the inner gear ring and the inner gear mesh to transmit power, so that the power transmission is rapid.

[0009] Preferably, arc-shaped teeth are fixedly mounted on the outer surface of the outer gear ring, a tooth plate meshing with the arc-shaped teeth is slidably connected to the surface of the upper disc, a mounting frame is fixedly mounted on the surface of the upper disc, a telescope is fixedly mounted on the surface of the mounting frame, and the telescopic end of the telescope is fixedly connected to the tooth plate.

[0010] Preferably, a mounting plate is fixedly mounted on the surface of the powder grinding box, a third rotating shaft is rotatably connected to the bottom surface of the mounting plate, and a driving tooth meshing with the inner gear ring is coaxially fixedly mounted on the bottom surface of the third rotating shaft.

[0011] Preferably, a rotating motor is fixedly mounted on the surface of the mounting plate, and an output end of the rotating motor is fixedly connected to the third rotating shaft.

[0012] Preferably, a plurality of fixing frames are provided between the truncated cone column and the inner wall of the powder grinding and selection box, and the truncated cone column is fixedly connected to the inner wall of the powder grinding and selection box through the plurality of fixing frames.

[0013] Preferably, a through-type air outlet groove is opened in the middle of the surface of the upper disc, a through pipe connected to the air outlet groove is fixedly installed on the surface of the mounting plate, an air outlet pipe connected to the through pipe is fixedly installed on the surface of the through pipe, a plurality of brackets are fixedly installed on the surface of the bellows, a blowing device is fixedly installed on the bottom surface of the bellows, and a feeding pipe for feeding material into the interior is fixedly installed on the surface of the crushing box.

[0014] Preferably, a fixing column is fixedly installed inside the bellows, a fixing disk is fixedly installed on the top surface of the fixing column, a plurality of grooves are provided on the surface of the fixing disk, and the plurality of grooves match each other so that the surface of the fixing disk forms a grinding surface, the surface of the feeding pipe is rotatably connected with a toothed disk corresponding to the position of the fixing disk, a plurality of rotating grooves are provided on the bottom surface of the toothed disk, a rotating shaft is provided inside any one of the rotating grooves, a rolling roller in contact with the surface of the fixing disk is provided on the surface of the rotating shaft, and the rolling roller is rotatably connected with the rotating groove via the rotating shaft.

[0015] By adopting the above technical solution, the material is scattered on the surface of the fixed disk through the guide plate, and then the crushing motor rotates to drive the geared wheel to rotate, and then the geared disk rotates to drive the rolling roller to rotate, and the rolling roller rolls to crush and grind the material. Compared with the traditional vertical roller crushing and grinding disk, the crushing and grinding device inside the crushing box can crush and grind the block cement more fully, and also improves the crushing and grinding speed of the cement blocks, thereby improving the crushing and grinding efficiency of the cement blocks.

[0016] Preferably, a plurality of rack rods are provided between the fixed column and the bellows, the fixed column is fixedly connected to the inner wall of the bellows through the plurality of rack rods, a material guide plate for unloading is fixedly installed on the bottom surface of the feeding pipe, an annular filter screen is fixedly installed on the surface of the fixed disk, and the top surface of the annular filter screen is in contact with the bottom surface of the toothed disk.

[0017] By adopting the above technical solution, the annular filter can filter the size of cement, and the larger cement blocks are intercepted by the annular filter on the surface of the fixed plate, and the rolling roller grinds the larger cement blocks again.

[0018] Preferably, a fixing plate is fixedly mounted on the inner wall of the crushing box, a geared wheel meshing with a toothed disc is rotatably connected to the top of the fixing plate, a crushing motor is fixedly mounted on the bottom surface of the fixing plate, and the output end of the crushing motor is fixedly connected to the geared wheel.

[0019] Compared with the prior art, the present invention has the following beneficial effects: 1) When the anti-condensation device of the grinding and selecting machine for cement processing is in use, according to the change of airflow, the outer gear rotates to rotate the first rotating shaft, and the multiple outer air guide blades follow the rotation of the first rotating shaft to adjust the angle, and the active tooth rotates to rotate the inner gear ring, so that the internal gear rotates to rotate the second rotating shaft, so that the multiple inner air guide blades follow the rotation direction and angle of the outer air guide blades to rotate accordingly. Compared with traditional fixed blades, the adjustable air guide blades make the airflow flow evenly, improve the efficiency of powder selection, avoid the backflow of cement fine powder materials, reduce the wear of the inner and outer air guide blades, thereby extending the service life of the guide blades, and the airflow flows evenly to reduce noise.

[0020] 2) When the anti-condensation device of the grinding and selecting machine for cement processing is in use, when different specifications of powdered cement are required, after the multiple outer air guide blades follow the rotation direction of the first rotating shaft to adjust the angle, the internal gear rotates to drive the second rotating shaft to rotate, so that the multiple inner air guide blades rotate in the opposite direction to the outer air guide blades, thereby adjusting the size of the gap between the two ends of the inner air guide blades and the two outer air guide blades, and can realize the screening of cement fine powder of different specifications, thereby increasing the practicality and functionality of the device.

[0021] 3) When the anti-condensation device of the cement processing grinding mill is in use, the material is scattered on the surface of the fixed disk through the material guide plate, and then the crushing motor rotates to drive the gear wheel to rotate, and then the gear disk rotates to drive the rolling roller to rotate, and the rolling roller rolls to crush and grind the material. Compared with the traditional vertical roller crushing and grinding disk, the crushing and grinding device inside the crushing box can crush and grind the block cement more fully, and also improves the crushing and grinding speed of the cement block, thereby improving the crushing and grinding efficiency of the cement block. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the position structure of the truncated cone column and the lower disc of the present invention; Figure 3 It is a schematic diagram of the position structure of the lower disc and the upper disc of the present invention; Figure 4 It is a schematic diagram of the position structure of the outer gear ring and the inner gear ring of the present invention; Figure 5 It is a schematic diagram of the position structure of the truncated cone column and the powder grinding and selection box of the present invention; Figure 6 It is a schematic diagram of the position structure of the outer air guide blade and the inner air guide blade of the present invention; Figure 7 This is a schematic diagram of the installation position structure of the blowing device of the present invention; Figure 8 It is a schematic diagram of the position structure of the fixed column and the fixed plate of the present invention; Fig. 9 An exploded view of the fixed disc and the toothed disc of the present invention; Fig.10 It is a schematic diagram of the cross-section structure of the fixed disk and the toothed disk of the present invention.

[0023] Explanation of the numbers in the figure: 1. bellows; 2. crushing box; 3. grinding powder box; 4. round table column; 5. lower disc; 6. upper disc; 7. outer air guide blade; 8. inner air guide blade; 9. first rotating shaft; 10. second rotating shaft; 11. outer gear ring; 12. outer gear; 13. inner gear ring; 14. inner gear; 15. arc gear; 16. gear plate; 17. mounting frame; 18. telescopic device; 19. mounting plate; 20. third rotating shaft; 21. main Moving teeth; 22. Rotating motor; 23. Fixed frame; 24. Air outlet groove; 25. Through pipe; 26. Air outlet pipe; 27. Bracket; 28. Blowing device; 29. ​​Feeding pipe; 30. Fixed column; 31. Fixed plate; 32. Groove; 33. Rotating groove; 34. Rotating shaft; 35. Rolling roller; 36. Guide plate; 37. Toothed disc; 38. Frame rod; 39. Annular filter; 40. Fixed plate; 41. Geared wheel; 42. Crushing motor. DETAILED DESCRIPTION

[0024] Example 1: Please refer to Figure 1 - Fig.10A powder mill anti-condensation device for cement processing comprises a bellows 1, the bellows 1 provides a high-speed airflow, a crushing box 2 connected to the bellows 1 is fixedly mounted on the top surface of the bellows 1, the crushing box 2 crushes and grinds the block cement, a powder mill 3 connected to the bellows 2 is fixedly mounted on the top surface of the crushing box 2, the powder mill 3 can screen fine powders of different specifications, the bellows 1, the crushing box 2 and the powder mill 3 are combined to form a powder mill, which is a conventional anti-condensation powder mill device in the prior art, a round table column 4 is fixedly mounted inside the powder mill 3, a lower disc 5 is fixedly mounted on the surface of the round table column 4, and a lower disc 5 is fixedly mounted on the surface of the lower disc An upper disc 6 sealed with the inner wall of the grinding powder box 3 is fixedly installed above the disc 5, and a plurality of rotatable outer air guide blades 7 are arranged between the lower disc 5 and the upper disc 6. A rotatable inner air guide blade 8 is arranged between any two outer air guide blades 7. The inner air guide blades 8 are located on the inner side of the outer air guide blades 7. The inner air guide blades 8 and the outer air guide blades 7 are arranged at staggered intervals. The surfaces of both ends of the inner air guide blades 8 are provided with second rotating shafts 10. The inner air guide blades 8 are rotatably connected with the lower disc 5 and the upper disc 6 through the second rotating shaft 10. The surfaces of both ends of the outer air guide blades 7 are provided with first rotating shafts 9. The outer air guide blades 7 are rotatably connected with the lower disc 5 and the upper disc 6 through the first rotating shafts 10. The shaft 9 is rotatably connected with the lower disc 5 and the upper disc 6. According to the change of the airflow, when the specifications of the powdered cement need to be unified, the outer gear 12 rotates to drive the first rotating shaft 9 to rotate, and the plurality of outer air guide blades 7 follow the rotation of the first rotating shaft 9 to adjust the angle, and the driving gear 21 rotates to drive the inner gear ring 13 to rotate, so that the inner gear 14 rotates to drive the second rotating shaft 10 to rotate, so that the plurality of inner air guide blades 8 follow the rotation direction and angle of the outer air guide blades 7 to rotate accordingly. Compared with the traditional fixed blades, the adjustable air guide blades make the airflow flow uniform, improve the efficiency of powder selection, and avoid cement fine powder. The backflow of materials reduces the wear on the inner guide blades 8 and the outer guide blades 7, thereby extending the service life of the guide blades, and the air flow is uniform to reduce noise; when different specifications of powdered cement are required, after the multiple outer guide blades 7 follow the rotation direction of the first rotating shaft 9 to adjust the angle, the internal gear 14 rotates to drive the second rotating shaft 10 to rotate, so that the multiple inner guide blades 8 rotate in the opposite direction to the outer guide blades 7, thereby adjusting the size of the gap between the two ends of the inner guide blades 8 and the two outer guide blades 7, it is possible to screen cement fine powder of different specifications, thereby increasing the practicality and functionality of the device.

[0025] An outer gear ring 11 is rotatably connected to the surface of the upper disk 6, one end of any one of the first rotating shafts 9 extends to the top of the upper disk 6, and an outer gear 12 meshing with the outer gear ring 11 is fixedly installed on the surface of one end of the first rotating shaft 9, and an inner gear ring 13 is rotatably connected to the surface of the upper disk 6, and the inner gear ring 13 is located on the inner side of the outer gear ring 11, one end of the second rotating shaft 10 extends to the top of the upper disk 6, and an inner gear 14 meshing with the inner gear ring 13 is fixedly installed on the surface of one end of the second rotating shaft 10, the outer gear ring 11 and the outer gear 12 mesh to transmit power and the inner gear ring 13 and the inner gear 14 mesh to transmit power, so that the power transmission is rapid.

[0026] The outer surface of the outer gear ring 11 is fixedly installed with an arc-shaped tooth 15, the surface of the upper disc 6 is slidably connected with a tooth plate 16 meshing with the arc-shaped tooth 15, the surface of the upper disc 6 is fixedly installed with a mounting frame 17, the surface of the mounting frame 17 is fixedly installed with a telescope 18, the telescope 18 is a conventional electric control push rod in the prior art, the outer surface of the bellows 1 is fixedly installed with a conventional programmable controller in the prior art, and the telescopic length of the telescope 18 is controllable, and there is a display screen in the control room, which can observe the adjustment angle and direction of the inner guide blade 8 and the outer guide blade 7 in real time, and the telescopic end of the telescope 18 is fixedly connected to the tooth plate 16.

[0027] A mounting plate 19 is fixedly mounted on the surface of the powder grinding box 3 , a third rotating shaft 20 is rotatably connected to the bottom surface of the mounting plate 19 , and a driving tooth 21 meshing with the inner gear ring 13 is coaxially fixedly mounted on the bottom surface of the third rotating shaft 20 .

[0028] A rotating motor 22 is fixedly mounted on the surface of the mounting plate 19 . The output end of the rotating motor 22 is fixedly connected to the third rotating shaft 20 . The rotating motor 22 is a conventional electric motor in the prior art, and the rotation direction and number of rotations of the rotating motor 22 are controllable.

[0029] A plurality of fixing frames 23 are provided between the frustum column 4 and the inner wall of the powder grinding and selection box 3 , and the frustum column 4 is fixedly connected to the inner wall of the powder grinding and selection box 3 via the plurality of fixing frames 23 .

[0030] A through-type air outlet groove 24 is provided in the middle of the surface of the upper disc 6, a through pipe 25 connected to the air outlet groove 24 is fixedly installed on the surface of the mounting plate 19, an air outlet pipe 26 connected to the through pipe 25 is fixedly installed on the surface of the through pipe 25, a plurality of brackets 27 are fixedly installed on the surface of the bellows 1, a blowing device 28 is fixedly installed on the bottom surface of the bellows 1, and the blowing device 28 is a conventional controllable wind speed blowing device 28 in the prior art, and a feeding pipe 29 for feeding material into the crushing box 2 is fixedly installed on the surface.

[0031] The use steps of the present invention are as follows: when the anti-condensation device of the grinding powder classifier for cement processing is used, lump cement is added to the crushing box 2 through the feeding pipe 29, and then the crushing box 2 crushes the lump cement. During the crushing process, the blowing device 28 works to blow air into the crushing box 2, and at this time, the high-speed airflow blows the crushed and ground powdered cement upwards. When the high-speed airflow brings the powdered cement into contact with the truncated cone column 4, air is delivered through the gap between the outer air guide blade 7 and the inner air guide blade 8, and then the fine powder is discharged through the air outlet groove 24, the through pipe 25 and the air outlet pipe 26. According to the change of the airflow (when the specifications of the powdered cement need to be unified), the telescopic device 18 is telescopic and moves with the tooth plate 16 to move with the outer The gear ring 11 rotates, and at this time, the outer gear 12 rotates to rotate with the first rotating shaft 9, and the multiple outer air guide blades 7 follow the first rotating shaft 9 to adjust the angle, and then the rotating motor 22 rotates to rotate with the third rotating shaft 20, and at this time, the driving gear 21 rotates to rotate with the inner gear ring 13, so that the inner gear 14 rotates to rotate with the second rotating shaft 10, so that the multiple inner air guide blades 8 follow the rotation direction and angle of the outer air guide blades 7 to rotate accordingly. According to the change of airflow (when different specifications of powdered cement are required), after the multiple outer air guide blades 7 follow the rotation direction of the first rotating shaft 9 to adjust the angle, the inner gear 14 rotates to rotate with the second rotating shaft 10, so that the multiple inner air guide blades The blade 8 rotates in the opposite direction to the outer air guide blade 7, so as to adjust the size of the gap between the two ends of the inner air guide blade 8 and the two outer air guide blades 7, so as to realize the screening of cement fine powder of different specifications. According to the change of airflow, when the specifications of powdered cement need to be unified, the outer gear 12 rotates with the first rotating shaft 9, and the multiple outer air guide blades 7 follow the rotation of the first rotating shaft 9 to adjust the angle, and the active tooth 21 rotates with the inner gear ring 13 to rotate, so that the inner gear 14 rotates with the second rotating shaft 10 to rotate, so that the multiple inner air guide blades 8 follow the rotation direction and angle of the outer air guide blades 7 to rotate accordingly. Compared with the traditional fixed blades, the adjustable air guide blade The airflow is made to flow evenly, the efficiency of powder selection is improved, and the backflow of cement fine powder materials is avoided, the wear on the inner guide blades 8 and the outer guide blades 7 is reduced, and the service life of the guide blades is extended, and the airflow flows evenly to reduce noise; when different specifications of powdered cement are required, after the multiple outer guide blades 7 follow the rotation direction of the first rotating shaft 9 to adjust the angle, the internal gear 14 rotates with the second rotating shaft 10, so that the multiple inner guide blades 8 and the outer guide blades 7 rotate in the opposite direction, thereby adjusting the size of the gap between the two ends of the inner guide blades 8 and the two outer guide blades 7, it is possible to screen cement fine powder of different specifications, thereby increasing the practicality and functionality of the device.

[0032] Example 2: Please refer to Figure 1 - Fig.10, combined with the basis of embodiment 1, the difference is that a fixing column 30 is fixedly installed inside the bellows 1, and a fixing disk 31 is fixedly installed on the top surface of the fixing column 30. The surface of the fixing disk 31 is provided with a plurality of grooves 32, and the plurality of grooves 32 match each other so that the surface of the fixing disk 31 forms a grinding surface, and the surface of the feeding pipe 29 is rotatably connected with a toothed disk 37 corresponding to the position of the fixing disk 31, and the bottom surface of the toothed disk 37 is provided with a plurality of rotating grooves 33, and a rotating shaft 34 is provided inside any rotating groove 33, and the surface of the rotating shaft 34 is provided with a surface of the fixing disk 31. The rolling roller 35 is in surface contact, and the rolling roller 35 is rotatably connected to the rotating groove 33 through the rotating shaft 34. The material is scattered on the surface of the fixed disk 31 through the guide plate 36, and then the crushing motor 42 rotates to drive the gear wheel 41 to rotate, and then the gear plate 37 rotates to drive the rolling roller 35 to rotate. The rolling roller 35 rolls to crush and grind the material. Compared with the traditional vertical roller crushing and grinding disk, the crushing and grinding device inside the crushing box 2 can crush and grind the block cement more fully, and also improves the crushing and grinding speed of the cement blocks, thereby improving the crushing and grinding efficiency of the cement blocks.

[0033] A plurality of racks 38 are provided between the fixed column 30 and the bellows 1, and the fixed column 30 is fixedly connected to the inner wall of the bellows 1 through the plurality of racks 38. A material guide plate 36 for unloading is fixedly installed on the bottom surface of the feeding pipe 29, and an annular filter screen 39 is fixedly installed on the surface of the fixed disk 31. The top surface of the annular filter screen 39 contacts the bottom surface of the toothed disk 37. The annular filter screen 39 can filter the size of cement powder. Larger cement blocks are intercepted by the annular filter screen 39 on the surface of the fixed disk 31, and the rolling roller 35 grinds the larger cement blocks again.

[0034] A fixed plate 40 is fixedly installed on the inner wall of the crushing box 2, and a geared wheel 41 meshing with the toothed disc 37 is rotatably connected above the fixed plate 40. A crushing motor 42 is fixedly installed on the bottom surface of the fixed plate 40, and the output end of the crushing motor 42 is fixedly connected to the geared wheel 41. The crushing motor 42 is a conventional electric motor in the prior art.

[0035] The use steps of the present invention are as follows: when the anti-condensation device for the cement processing grinding mill is used, before the block cement is crushed and ground, the material is conveyed to the surface of the guide plate 36 through the feeding pipe 29, and then the material is scattered on the surface of the fixed plate 31 through the guide plate 36, and then the crushing motor 42 rotates to drive the gear wheel 41 to rotate, and then the gear plate 37 rotates to drive the rolling roller 35 to rotate, and the rolling roller 35 rolls to crush and grind the material, and then the blowing device 28 works to blow air into the crushing box 2, and the air flow blows upward along the space between the fixed plate 31 and the inner wall of the crushing box 2, and at this time the fixed plate 31 is fixed to the crushing box 2. The fine powder ground on the surface of the disk 31 passes through the annular filter 39 and is then blown upward with the airflow. The material is scattered on the surface of the fixed disk 31 through the material guide plate 36. The crushing motor 42 then rotates to drive the gear wheel 41, which in turn causes the gear disk 37 to rotate to drive the rolling roller 35. The rolling roller 35 rolls to crush and grind the material. Compared with the traditional vertical roller crushing and grinding disk, the crushing and grinding device inside the crushing box 2 can crush and grind the block cement more fully, and also improves the crushing and grinding speed of the cement blocks, thereby improving the crushing and grinding efficiency of the cement blocks.

[0036] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A device for preventing condensation of a powder mill for cement processing, comprising a bellows (1), characterized in that: A crushing box (2) connected to the wind box (1) is fixedly mounted on the top surface of the wind box (1), and a powder grinding box (3) connected to the wind box (2) is fixedly mounted on the top surface of the crushing box (2). A truncated cone column (4) is fixedly mounted inside the powder grinding box (3). A lower disc (5) is fixedly mounted on the surface of the truncated cone column (4). An upper disc (6) sealed with the inner wall of the powder grinding box (3) is fixedly mounted above the lower disc (5). A plurality of rotatable outer air guide blades (7) are arranged between the lower disc (5) and the upper disc (6). A rotatable outer air guide blade (7) is arranged between any two of the outer air guide blades (7). A rotatable inner air guide blade (8) is provided, the inner air guide blade (8) is located on the inner side of the outer air guide blade (7), the inner air guide blade (8) and the outer air guide blade (7) are arranged in a staggered manner, the surfaces of both ends of the inner air guide blade (8) are provided with a second rotating shaft (10), the inner air guide blade (8) is rotatably connected to the lower disc (5) and the upper disc (6) via the second rotating shaft (10), the surfaces of both ends of the outer air guide blade (7) are provided with a first rotating shaft (9), the outer air guide blade (7) is rotatably connected to the lower disc (5) and the upper disc (6) via the first rotating shaft (9).

2. The anti-condensation device for a cement processing grinding mill according to claim 1, characterized in that: The surface of the upper disk (6) is rotatably connected to an outer gear ring (11), one end of any one of the first rotating shafts (9) extends to the top of the upper disk (6), and an outer gear (12) meshing with the outer gear ring (11) is fixedly mounted on the surface of one end of the first rotating shaft (9), and an inner gear ring (13) is rotatably connected to the surface of the upper disk (6), and the inner gear ring (13) is located on the inner side of the outer gear ring (11), and one end of the second rotating shaft (10) extends to the top of the upper disk (6), and an inner gear (14) meshing with the inner gear ring (13) is fixedly mounted on the surface of one end of the second rotating shaft (10).

3. The anti-condensation device for a cement processing grinding mill according to claim 2, characterized in that: The outer surface of the outer gear ring (11) is fixedly mounted with arc-shaped teeth (15); the surface of the upper disc (6) is slidably connected with a tooth plate (16) meshing with the arc-shaped teeth (15); a mounting frame (17) is fixedly mounted on the surface of the upper disc (6); a retractor (18) is fixedly mounted on the surface of the mounting frame (17); and a retractable end of the retractor (18) is fixedly connected to the tooth plate (16).

4. The anti-condensation device for a cement processing grinding mill according to claim 1, characterized in that: A mounting plate (19) is fixedly mounted on the surface of the powder grinding box (3); a third rotating shaft (20) is rotatably connected to the bottom surface of the mounting plate (19); and a driving tooth (21) meshing with the inner gear ring (13) is coaxially fixedly mounted on the bottom surface of the third rotating shaft (20).

5. The anti-condensation device for a cement processing grinding mill according to claim 4, characterized in that: A rotating motor (22) is fixedly mounted on the surface of the mounting plate (19), and an output end of the rotating motor (22) is fixedly connected to the third rotating shaft (20).

6. The anti-condensation device for a cement processing grinding mill according to claim 1, characterized in that: A plurality of fixing frames (23) are arranged between the truncated cone column (4) and the inner wall of the powder grinding box (3), and the truncated cone column (4) is fixedly connected to the inner wall of the powder grinding box (3) via the plurality of fixing frames (23).

7. The anti-condensation device for a cement processing grinding mill according to claim 4, characterized in that: A through-type air outlet groove (24) is provided in the middle of the surface of the upper disc (6); a through pipe (25) communicating with the air outlet groove (24) is fixedly mounted on the surface of the mounting plate (19); an air outlet pipe (26) communicating with the through pipe (25) is fixedly mounted on the surface of the through pipe (25); a plurality of brackets (27) are fixedly mounted on the surface of the bellows (1); a blowing device (28) is fixedly mounted on the bottom surface of the bellows (1); and a feeding pipe (29) for feeding material into the crushing box (2) is fixedly mounted on the surface of the crushing box (2).

8. The anti-condensation device for a cement processing grinding mill according to claim 7, characterized in that: A fixing column (30) is fixedly installed inside the bellows (1), and a fixing disk (31) is fixedly installed on the top surface of the fixing column (30). The surface of the fixing disk (31) is provided with a plurality of grooves (32). The plurality of grooves (32) match each other so that the surface of the fixing disk (31) forms a grinding surface. The surface of the feeding pipe (29) is rotatably connected to a toothed disk (37) corresponding to the position of the fixing disk (31). The bottom surface of the toothed disk (37) is provided with a plurality of rotating grooves (33). A rotating shaft (34) is provided inside any one of the rotating grooves (33). A rolling roller (35) in contact with the surface of the fixing disk (31) is provided on the surface of the rotating shaft (34). The rolling roller (35) is rotatably connected to the rotating groove (33) via the rotating shaft (34).

9. The anti-condensation device for a cement processing grinding mill according to claim 8, characterized in that: A plurality of rack rods (38) are provided between the fixed column (30) and the bellows (1); the fixed column (30) is fixedly connected to the inner wall of the bellows (1) via the plurality of rack rods (38); a material guide plate (36) for feeding is fixedly mounted on the bottom surface of the feeding pipe (29); an annular filter screen (39) is fixedly mounted on the surface of the fixed disk (31); and the top surface of the annular filter screen (39) contacts the bottom surface of the toothed disk (37).

10. The anti-condensation device for a cement processing grinding mill according to claim 8, characterized in that: A fixing plate (40) is fixedly mounted on the inner wall of the crushing box (2); a gear wheel (41) meshing with the toothed disc (37) is rotatably connected to the upper side of the fixing plate (40); a crushing motor (42) is fixedly mounted on the bottom surface of the fixing plate (40); an output end of the crushing motor (42) is fixedly connected to the gear wheel (41).

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