Raw material vertical mill device capable of discharging accumulated materials

Abstract

The utility model relates to the technical field of vertical mill material circulation, and discloses a raw material vertical mill device capable of discharging accumulated materials. The raw material vertical mill device capable of discharging the accumulated materials comprises an adapting pipe, a feeding opening is fixedly formed in the adapting pipe, a sealing ring is installed on the outer side of the feeding opening in a penetrating and inserting mode, a fixing ring is fixedly installed above the feeding opening, a metal screen is fixedly installed above the fixing ring, and the metal screen is fixedly installed above the metal screen. An end cover is fixedly installed above the metal screen, a sealing pipe is movably installed above the end cover, through arrangement of a driving motor, the driving motor can drive a transmission pipe to rotate so that fan blades annularly installed on the outer side of the transmission pipe can rotate, and the fan blades can generate vertically upward airflow during rotation; therefore, after the speed of the powder is reduced through the metal screen, the powder is driven to move through the vertically upward airflow, and the powder discharging speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical mill material circulation, in particular to a raw material vertical mill device capable of discharging accumulated materials. Background Art

[0002] The material which is ground to a certain fineness by mixing lime raw material, clay raw material and a small amount of correction raw material (sometimes mineralizer, seed crystal, etc. are also added, and coal is also added in vertical kiln production) in proportion is called cement raw meal. Cement raw meal is mostly processed and produced by raw meal mill.

[0003] The existing Chinese utility model patent with reference announcement number: CN219880184U discloses a raw mill device with hot air circulation. Its technical solution includes: a raw mill body, an air outlet pipe and an air inlet pipe, the top end surface of the raw mill body is embedded with an air outlet pipe, and the side end surface of the raw mill body is embedded with an air inlet pipe, the inner wall of the air inlet pipe is fitted with a ceramic heating pipe, and the inner wall of the air inlet pipe is welded with a filter screen 1, both ends of the outer surface of the raw mill body are welded with connecting blocks, and a supporting frame is welded on the connecting block, the side end surface of the air outlet pipe is embedded with a fixed pipe, and the inner wall of the fixed pipe is welded with a filter screen 2, the bottom end surface of the fixed pipe is embedded with a connecting pipe, and one end of the connecting pipe away from the fixed pipe is embedded and fixed in the air inlet pipe, the side end surface of the fixed pipe is installed with a motor, and a rotating shaft is welded on the output shaft of the motor. The utility model meets the requirements of cement raw material processing and can recycle and utilize the generated hot air.

[0004] The existing raw material vertical mill generally classifies powders through a classifier and airflow. Finished powders with qualified fineness will be discharged from the discharge structure at the top of the vertical mill, while particles that do not meet the standards will return to the inside of the vertical mill under the action of gravity to form a material circulation. During long-term use, this method may cause material accumulation on the surface of the classifier, which will affect the screening efficiency of the classifier due to compaction. At the same time, the existing circulation device will affect the gas flow rate and the finished product output efficiency. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a raw material vertical mill device capable of discharging accumulated materials, which has the advantages of being able to discharge accumulated materials without affecting the output efficiency of finished products, and solves the above technical problems.

[0007] (II) Technical solution

[0008] To achieve the above object, the present utility model provides the following technical solutions: A raw material vertical mill device capable of discharging accumulated materials externally, comprising: a receiving pipe, an inlet is fixedly installed inside the receiving pipe, a sealing ring is inserted and installed outside the inlet, a fixing ring is fixedly installed above the inlet, a metal screen is fixedly installed above the fixing ring, an end cover is fixedly installed above the metal screen, a sealing pipe is movably installed above the end cover, a fixing plate is fixedly installed inside the sealing pipe, a cleaning motor is inserted and installed inside the fixing plate, a driving shaft is inserted below the rotating shaft of the cleaning motor, a scraper is fixedly installed outside the driving shaft, a fixing frame is fixedly installed at the upper end of the receiving pipe, a driving motor is fixedly installed inside the fixing frame, a transmission pipe is fixedly installed below the rotating shaft of the driving motor, a fan blade is fixedly installed outside the transmission pipe, a connecting frame is fixedly installed outside the fan blade, a connecting ring is fixedly installed at the center of the connecting frame, and a connecting bearing is fitted and installed inside the connecting ring; the fixing ring can facilitate the fixation of the lower end of the metal screen, and the metal screen can screen the powder body.

[0009] As a preferred technical solution of the present utility model, the lower end of the inlet is of a conical structure, and the lower end of the inlet is flush with the bottom end of the receiving pipe; the inlet can facilitate the entry of materials into the interior of the metal screen.

[0010] As a preferred technical solution of the present utility model, the cleaning motor is fixedly connected between the fixing plate and the sealing pipe, and the sealing pipe is movably connected to the end cover through a threaded structure; the cleaning motor can drive the driving shaft to rotate.

[0011] As a preferred technical solution of the present utility model, the rotating shaft of the cleaning motor vertically penetrates the end cover, and the rotating shaft of the cleaning motor is rotatably connected to the end cover. The scraper is symmetrically installed on the front and rear sides of the driving shaft with the center of the driving shaft as the reference, and the scraper contacts the inner wall of the metal screen; the scraper can scrape off the powder body attached to the inner wall of the metal screen.

[0012] As a preferred technical solution of the present utility model, the driving motor is fixedly connected between the fixing frame and the receiving pipe, and the fan blades are installed annularly at equal angles with the axis of the transmission pipe as the reference outside the transmission pipe and at the lower end inside the connecting frame; the transmission pipe can drive the fan blades to rotate.

[0013] As a preferred technical solution of the present utility model, the transmission pipe is fixedly connected to the connecting frame through the fan blade, and the connecting frame is fixedly connected to the connecting ring through the fan blade at the lower end inside; the connecting ring can limit the inner position of the fan blade.

[0014] As a preferred technical solution of the present utility model, the connecting bearing is symmetrically installed at the upper and lower ends inside the connecting ring with the center of the connecting ring as the reference, and the connecting bearing is also installed at the lower end of the inner wall of the transmission pipe. The transmission pipe and the connecting ring are rotationally connected to the sealing pipe through the connecting bearing; the connecting bearing can facilitate the rotational connection between the connecting ring and the sealing pipe.

[0015] Compared with the prior art, the present utility model provides a raw material vertical mill device capable of discharging accumulated materials externally, and has the following beneficial effects:

[0016] 1. Through the setting of the cleaning motor in the present utility model, the cleaning motor is installed inside the sealing pipe through the fixing plate, and the through end of the rotating shaft of the cleaning motor is fixedly connected to the driving shaft. When the cleaning motor rotates, it can drive the driving shaft to rotate, so that a relative movement is generated between the scraping plate on the outer side of the driving shaft and the metal screen. The outer edge of the scraping plate contacts the inner wall of the metal screen. When the scraping plate rotates, it can drive the powder attached to the inner wall of the metal screen to move, concentrating the powder, thereby increasing the total weight of the powder. After the weight of the powder rises to the limit of the adhesion force, the powder will fall back to the grinding table of the vertical mill to form a cycle of raw materials.

[0017] 2. Through the setting of the driving motor in the present utility model, the driving motor can drive the transmission pipe to rotate, so that the fan blades annularly installed on the outer side of the transmission pipe rotate. When the fan blades rotate, they can generate a vertically upward air flow. Therefore, after the powder passes through the metal screen and reduces its speed, the vertically upward air flow drives the powder to move, thereby increasing the discharging speed of the powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0019] Figure 2 is a schematic sectional structure diagram of the receiving pipe of the present utility model;

[0020] Figure 3 is a schematic connection structure diagram of the cleaning motor and the receiving pipe of the present utility model;

[0021] Figure 4 is a schematic installation structure diagram of the fan blade and the connecting frame of the present utility model;

[0022] Among them: 1. Receiving pipe; 11. Inlet; 12. Sealing ring; 13. Fixed ring; 14. Metal screen; 15. End cover; 16. Sealing pipe; 17. Fixing plate; 18. Cleaning motor; 19. Driving shaft; 110. Scraping plate; 2. Fixed frame; 21. Driving motor; 22. Transmission pipe; 23. Fan blade; 24. Connecting frame; 25. Connecting ring; 26. Connecting bearing. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] The following further describes in detail the embodiments of the present utility model in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0024] In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] Please refer to Figure 1 - Figure 4 , in this embodiment, a raw material vertical mill device capable of discharging accumulated materials externally includes: a receiving pipe 1, an inlet 11 is fixedly installed inside the receiving pipe 1, a sealing ring 12 is inserted and installed outside the inlet 11, a fixing ring 13 is fixedly installed above the inlet 11, a metal screen 14 is fixedly installed above the fixing ring 13, an end cover 15 is fixedly installed above the metal screen 14, a sealing pipe 16 is movably installed above the end cover 15, a fixing plate 17 is fixedly installed inside the sealing pipe 16, a cleaning motor 18 is inserted and installed inside the fixing plate 17, a driving shaft 19 is inserted below the rotating shaft of the cleaning motor 18, and a scraper 110 is fixedly installed outside the driving shaft 19.

[0027] The lower end of the inlet 11 is of a conical structure, and the lower end of the inlet 11 is flush with the bottom end of the receiving pipe 1.

[0028] The cleaning motor 18 is fixedly connected between the fixing plate 17 and the sealing pipe 16, and the sealing pipe 16 is movably connected to the end cover 15 through a threaded structure.

[0029] The vertical through end of the rotating shaft of the cleaning motor 18 penetrates the end cover 15, and a rotating connection is formed between the rotating shaft of the cleaning motor 18 and the end cover 15. The scraping plates 110 are symmetrically installed on the front and rear sides of the driving shaft 19 in a front-back mirror image with the center of the driving shaft 19 as the reference, and the scraping plates 110 are in contact with the inner wall of the metal screen 14.

[0030] Specifically, the receiving pipe 1 can limit the position of the feeding port 11. The feeding port 11 can facilitate the entry of materials into the interior of the metal screen 14. The sealing ring 12 can prevent powder from falling above the feeding port 11. The fixing ring 13 can facilitate the fixation of the lower end of the metal screen 14. The metal screen 14 can screen the powder. The end cover 15 can seal the upper end of the metal screen 14. The sealing pipe 16 can prevent the powder from affecting the operation of the cleaning motor 18. The fixing plate 17 can fix the position of the cleaning motor 18. The cleaning motor 18 can drive the driving shaft 19 to rotate. The driving shaft 19 can drive the scraping plates 110 to rotate. The scraping plates 110 can scrape off the powder adhering to the inner wall of the metal screen 14.

[0031] A fixing frame 2 is fixedly installed at the upper end of the receiving pipe 1. A driving motor 21 is fixedly installed inside the fixing frame 2. A transmission pipe 22 is fixedly installed below the rotating shaft of the driving motor 21. A fan blade 23 is fixedly installed on the outer side of the transmission pipe 22. A connecting frame 24 is fixedly installed on the outer side of the fan blade 23. A connecting ring 25 is fixedly installed at the center of the connecting frame 24. A connecting bearing 26 is fitted and installed inside the connecting ring 25. The driving motor 21 is fixedly connected to the receiving pipe 1 through the fixing frame 2. The fan blades 23 are installed on the outer side of the transmission pipe 22 and at the lower end inside the connecting frame 24 in an equiangular annular pattern with the axis of the transmission pipe 22 as the reference.

[0032] The transmission pipe 22 is fixedly connected to the connecting frame 24 through the fan blade 23. The connecting frame 24 is fixedly connected to the connecting ring 25 through the fan blade 23 at the lower end inside.

[0033] The connecting bearings 26 are symmetrically installed at the upper and lower ends inside the connecting ring 25 with the center of the connecting ring 25 as the reference, and the connecting bearings 26 are also installed at the lower end of the inner wall of the transmission pipe 22. The transmission pipe 22 and the connecting ring 25 are rotationally connected to the sealing pipe 16 through the connecting bearings 26.

[0034] Specifically, the fixing frame 2 can fix the driving motor 21. The driving motor 21 can drive the transmission pipe 22 to rotate. The transmission pipe 22 can drive the fan blades 23 to rotate. The fan blades 23 can generate an upward airflow when rotating. The connecting frame 24 can form a fixed connection between the fan blades 23. The connecting ring 25 can limit the inner position of the fan blades 23. The connecting bearings 26 can facilitate the rotational connection between the connecting ring 25 and the sealing pipe 16.

[0035] During use, the airflow generated by the blower below the vertical mill will drive the powder inside the vertical mill to move upward, enter the interior of the metal screen 14 through the feed inlet 11. The powder smaller than the aperture of the metal screen 14 will pass through the metal screen 14, while the powder larger than the aperture of the metal screen 14 will adhere to the inner wall of the metal screen 14 under the influence of the airflow. Since the cleaning motor 18 is installed inside the sealing pipe 16 through the fixing plate 17, and the rotating shaft of the cleaning motor 18 penetrates the end cover 15 and is fixedly connected to the driving shaft 19, when the cleaning motor 18 rotates, it can drive the driving shaft 19 to rotate, causing relative movement between the scraper 110 on the outer side of the driving shaft 19 and the metal screen 14. The outer edge of the scraper 110 contacts the inner wall of the metal screen 14. When the scraper 110 rotates, it can drive the powder adhering to the inner wall of the metal screen 14 to move, concentrating the powder, thereby increasing the total weight of the powder. After the weight of the powder rises to the adhesion limit, the powder will fall back to the grinding table of the vertical mill, thus forming a cycle of raw materials. The driving motor 21 can drive the transmission pipe 22 to rotate, causing the fan blades 23 annularly installed on the outer side of the transmission pipe 22 to rotate. When the fan blades 23 rotate, they can generate an upward vertical airflow. Thus, after the powder passes through the metal screen 14 and its speed decreases, the upward vertical airflow drives the powder to move, thereby increasing the discharging speed of the powder.

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

Claims

1. A raw material vertical mill device capable of discharging accumulated material, characterized in that: include: A receiving pipe (1), wherein a feed port (11) is fixedly installed inside the receiving pipe (1), a sealing ring (12) is inserted and installed on the outside of the feed port (11), a fixing ring (13) is fixedly installed above the feed port (11), a metal screen (14) is fixedly installed above the fixing ring (13), an end cover (15) is fixedly installed above the metal screen (14), a sealing tube (16) is movably installed above the end cover (15), a fixing plate (17) is fixedly installed inside the sealing tube (16), a cleaning motor (18) is inserted and installed inside the fixing plate (17), and the cleaning motor (18) A driving shaft (19) is inserted and installed below the rotating shaft, a scraper (110) is fixedly installed on the outer side of the driving shaft (19), a fixing frame (2) is fixedly installed on the upper end of the receiving tube (1), a driving motor (21) is fixedly installed inside the fixing frame (2), a transmission tube (22) is fixedly installed below the rotating shaft of the driving motor (21), a fan blade (23) is fixedly installed on the outer side of the transmission tube (22), a connecting frame (24) is fixedly installed on the outer side of the fan blade (23), a connecting ring (25) is fixedly installed at the center of the connecting frame (24), and a connecting bearing (26) is embedded and installed inside the connecting ring (25).

2. A raw material vertical mill capable of discharging accumulated material according to claim 1, characterized in that: The lower end of the feed inlet (11) is a conical structure, and the lower end of the feed inlet (11) is flush with the bottom end of the receiving pipe (1).

3. A raw material vertical mill capable of discharging accumulated material according to claim 1, characterized in that: The cleaning motor (18) is fixedly connected to the sealing tube (16) via a fixing plate (17), and the sealing tube (16) is movably connected to the end cover (15) via a threaded structure.

4. A raw material vertical mill capable of discharging accumulated material according to claim 1, characterized in that: The rotating shaft of the cleaning motor (18) vertically penetrates the end cover (15), and the rotating shaft of the cleaning motor (18) and the end cover (15) are rotatably connected. The scraper (110) is installed on the front and rear sides of the driving shaft (19) in a mirror-symmetrical manner with the center of the driving shaft (19) as a reference, and the scraper (110) contacts the inner wall of the metal screen (14).

5. The raw material vertical mill device capable of discharging accumulated material according to claim 1, characterized in that: The driving motor (21) is fixedly connected to the receiving tube (1) via a fixing frame (2), and the fan blades (23) are annularly mounted on the outside of the transmission tube (22) and at the lower end inside the connecting frame (24) at equal angles with the axis of the transmission tube (22) as a reference.

6. A raw material vertical mill capable of discharging accumulated material according to claim 1, characterized in that: The transmission tube (22) is fixedly connected to the connecting frame (24) through the fan blades (23), and the connecting frame (24) is fixedly connected to the connecting ring (25) through the fan blades (23) at the lower end thereof.

7. A raw material vertical mill capable of discharging accumulated material according to claim 2, characterized in that: The connecting bearing (26) is symmetrically installed at the upper and lower ends of the connecting ring (25) with the center of the connecting ring (25) as the reference, and the connecting bearing (26) is also installed at the lower end of the inner wall of the transmission tube (22). The transmission tube (22) and the connecting ring (25) are rotatably connected with the sealing tube (16) through the connecting bearing (26).

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