Vertical mill grinding air locking valve channel
By designing the airlock valve channel for the vertical mill's feeding, discharging, regulating, sealing, and moving devices, the problem of poor sealing was solved, thus improving the working efficiency and sealing performance of the vertical mill.
Patent Information
- Application Number
- CN202423208394.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The existing vertical mill's airlock valve channel experiences wear at the baffle and overlap groove during prolonged use, resulting in poor sealing and affecting work efficiency.
A vertical mill grinding airlock valve channel was designed, which includes a feeding and discharging device, an adjusting device, a sealing device, and a moving device. By controlling the feeding rate, improving sealing performance, and adjusting the air intake, the sealing performance and working efficiency can be improved.
This technology improves the sealing performance and working efficiency of the vertical mill after feeding is completed. By adjusting the feeding rate and controlling the air intake, the stability and efficiency of the equipment's operation are enhanced.
Smart Images

Figure CN223818814U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of grinding equipment technology, specifically to a vertical mill grinding airlock valve channel. Background Technology
[0002] Vertical roller mills are key raw material grinding equipment in the new dry process of cement production, responsible for grinding and drying materials. Therefore, effectively controlling the internal pressure difference and outlet gas temperature of the vertical roller mill is crucial for the stable operation of the entire raw material production line.
[0003] Existing patent number CN213386724U discloses a vertical mill grinding airlock valve channel, relating to the technical field of grinding equipment. It includes a discharge channel, on the inner wall of which a first airlock valve and a second airlock valve are movably mounted. The first and second airlock valves are of the same model. The first airlock valve includes a motor and two connecting shafts. A drive cavity is formed in the inner wall of the discharge channel.
[0004] When the above-mentioned vertical mill grinding airlock valve channel is in use, the baffle and the overlapping groove will wear down during long-term use, resulting in poor sealing and thus low grinding efficiency of the vertical mill.
[0005] Therefore, a vertical mill grinding airlock valve channel is proposed. Utility Model Content
[0006] The purpose of this utility model is to solve the problem that, during the use of the above-mentioned vertical mill grinding airlock valve channel, the baffle and the overlapping groove will wear down during long-term use, resulting in poor sealing and thus low grinding efficiency of the vertical mill. This utility model provides a vertical mill grinding airlock valve channel.
[0007] To achieve the above objectives, this utility model specifically adopts the following technical solution:
[0008] A vertical mill airlock valve channel includes an airlock valve channel with an inspection door on its front side wall, a rotating groove inside the airlock valve channel, through grooves on its left and right side walls, feeding and discharging devices for feeding and discharging materials on its upper and lower end faces, an adjusting device for controlling the feeding inside the airlock valve channel, a sealing device for improving sealing performance inside the airlock valve channel, and a moving device for supporting and adjusting the position on the outer surface of the airlock valve channel.
[0009] Furthermore, the feeding and discharging device includes a feeding hopper and a discharging hopper, the feeding hopper being fixedly installed on the upper end face of the airlock valve channel, and the discharging hopper being fixedly installed on the lower end face of the airlock valve channel.
[0010] Furthermore, the adjusting device includes a baffle plate, a support block, and an electric push rod. The baffle plate is rotatably installed in a rotating groove inside the airlock valve channel. The support block is fixedly installed on the left and right side walls inside the airlock valve channel. The electric push rod is fixedly installed on the opposite side wall of the support block. The movable end of the electric push rod is rotatably connected to the lower end face of the baffle plate.
[0011] Furthermore, the sealing device includes a sealing plate, a motor, a sealing strip, and a limiting groove. The sealing plate is slidably installed in the through grooves on the left and right side walls of the airlock valve channel. The motor is fixedly installed on the left and right side walls of the airlock valve channel. The sealing strip is fixedly installed on the rotating end of the motor. The limiting groove is fixedly installed on the left and right side walls of the airlock valve channel.
[0012] Furthermore, the sealing plate has connecting grooves on its opposite sidewalls.
[0013] Furthermore, the moving device includes a support frame, a second motor, a sliding groove, a threaded rod, and a connecting plate. The support frame is fixedly installed on the outer surface of the airlock valve channel. The second motor is fixedly installed on the upper end face of the support frame. The sliding groove is fixedly installed on the upper end face of the support frame. The threaded rod is fixedly installed on the rotating end of the second motor. The connecting plate is slidably installed in the sliding groove. The connecting plate is threadedly connected to the threaded rod. The connecting plate is fixedly connected to the opposite sidewall of the sealing plate.
[0014] The beneficial effects of this utility model are as follows:
[0015] Feeding and unloading are achieved through the inlet and outlet devices on the upper and lower ends of the airlock valve channel. The regulating device inside the airlock valve channel controls the feeding rate, thereby achieving the purpose of adjustment according to needs. The sealing device seals the airlock valve channel, thereby improving the sealing performance of the vertical mill after feeding is completed. The moving device moves the movable end of the sealing device, thereby controlling the air intake and improving the working efficiency of the vertical mill. Attached Figure Description
[0016] Figure 1 This is a front view of the three-dimensional structure of this utility model;
[0017] Figure 2 This is a partial structural schematic diagram of the present invention;
[0018] Figure 3 This is an exploded view of a partial structure of this utility model;
[0019] Figure 4 This is a utility model Figure 2 Exploded view at point A;
[0020] Reference numerals in the attached drawings: 1. Airlock valve channel; 2. Feeding and discharging device; 201. Feed hopper; 202. Discharge hopper; 3. Adjusting device; 301. Baffle plate; 302. Support block; 303. Electric push rod; 4. Sealing device; 401. Sealing plate; 402. Motor 1; 403. Sealing strip; 404. Limiting groove; 5. Moving device; 501. Support frame; 502. Motor 2; 503. Sliding groove; 504. Threaded rod; 505. Connecting plate. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0022] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0023] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0024] In the description of the embodiments of this utility model, it should be noted that the terms "inner", "outer", "upper", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0025] Please see Figure 1-4A vertical mill airlock valve channel includes an airlock valve channel 1, an inspection door on the front side wall of the airlock valve channel 1, a rotating groove inside the airlock valve channel 1, through grooves on the left and right side walls of the airlock valve channel 1, feeding and discharging devices 2 for feeding and discharging materials on the upper and lower end faces of the airlock valve channel 1, an adjusting device 3 for controlling the feeding inside the airlock valve channel 1, a sealing device 4 for improving sealing performance inside the airlock valve channel 1, and a moving device 5 for supporting and adjusting the position on the outer surface of the airlock valve channel 1.
[0026] Specifically, the material is fed and discharged through the inlet and outlet devices 2 on the upper and lower ends of the airlock valve channel 1. The regulating device 3 inside the airlock valve channel 1 controls the feeding rate, thereby achieving the purpose of adjustment according to needs. The sealing device 4 seals the inside of the airlock valve channel 1, thereby improving the sealing performance of the vertical mill after feeding is completed. The moving device 5 moves the movable end of the sealing device 4, thereby controlling the air intake and improving the working efficiency of the vertical mill.
[0027] The feeding and discharging device 2 includes a feeding hopper 201 and a discharging hopper 202. The feeding hopper 201 is fixedly installed on the upper end face of the airlock valve channel 1, and the discharging hopper 202 is fixedly installed on the lower end face of the airlock valve channel 1.
[0028] Specifically, the functions of the feed hopper 201 and the discharge hopper 202 are feeding and discharging materials.
[0029] The adjusting device 3 includes a baffle plate 301, a support block 302, and an electric push rod 303. The baffle plate 301 is rotatably installed in the rotating groove inside the airlock valve channel 1. The support block 302 is fixedly installed on the left and right side walls inside the airlock valve channel 1. The electric push rod 303 is fixedly installed on the opposite side wall of the support block 302. The movable end of the electric push rod 303 is rotatably connected to the lower end face of the baffle plate 301.
[0030] Specifically, the electric push rod 303 drives the baffle plate 301 to rotate in the rotating groove in the airlock valve channel 1, thereby achieving the purpose of controlling the feeding speed according to the distance between the baffle plates 301.
[0031] The sealing device 4 includes a sealing plate 401, a motor 402, a sealing strip 403, and a limiting groove 404. The sealing plate 401 is slidably installed in the through grooves on the left and right side walls of the airlock valve channel 1. The motor 402 is fixedly installed on the left and right side walls of the airlock valve channel 1. The sealing strip 403 is fixedly installed on the rotating end of the motor 402. The limiting groove 404 is fixedly installed on the left and right side walls of the airlock valve channel 1.
[0032] Specifically, to improve the sealing performance within the airlock valve channel 1, the motor 402 drives the sealing strip 403 to rotate, thereby rotating the sealing strip 403 into the limiting groove 404. Then, the sealing strip 403 seals the connection between the through groove of the airlock valve channel 1 and the sealing plate 401, thereby improving the sealing performance.
[0033] The opposite sidewalls of the sealing plate 401 are provided with connecting grooves.
[0034] Specifically, the connecting groove on the opposite sidewall of the sealing plate 401 improves the sealing performance of the opposite sidewall of the sealing plate 401, thereby increasing the grinding efficiency of the vertical mill.
[0035] The moving device 5 includes a support frame 501, a second motor 502, a sliding groove 503, a threaded rod 504, and a connecting plate 505. The support frame 501 is fixedly installed on the outer surface of the airlock valve channel 1. The second motor 502 is fixedly installed on the upper end face of the support frame 501. The sliding groove 503 is fixedly installed on the upper end face of the support frame 501. The threaded rod 504 is fixedly installed on the rotating end of the second motor 502. The connecting plate 505 is slidably installed in the sliding groove 503. The connecting plate 505 is threadedly connected to the threaded rod 504. The connecting plate 505 is fixedly connected to the opposite side wall of the sealing plate 401.
[0036] Specifically, motor 502 drives threaded rod 504 to rotate, thereby enabling threaded rod 504 to drive connecting plate 505 to move within sliding groove 503, which in turn drives sealing plate 401 to move within through groove of airlock valve channel 1, thereby achieving the purpose of controlling air intake.
[0037] In summary:
[0038] Feeding and discharging are achieved through the inlet and outlet devices 2 on the upper and lower ends of the airlock valve channel 1. The regulating device 3 inside the airlock valve channel 1 controls the feeding rate, allowing for adjustment as needed. The sealing device 4 seals the airlock valve channel 1, improving the sealing performance of the vertical mill after feeding. The moving device 5 moves the movable end of the sealing device 4, controlling the air intake and thus improving the grinding efficiency of the vertical mill. The feed hopper 201 and discharge hopper 202 are used for feeding and discharging. The electric push rod 303 drives the baffle plate 301 to rotate within the rotating groove inside the airlock valve channel 1, controlling the feeding speed based on the distance between the baffle plates 301. The purpose is to improve the sealing performance within the airlock valve channel 1. Motor 1 402 drives the sealing strip 403 to rotate, thereby rotating the sealing strip 403 into the limiting groove 404. Then, the sealing strip 403 seals the connection between the through groove of the airlock valve channel 1 and the sealing plate 401, thereby improving the sealing performance. The connecting groove of the opposite side wall of the sealing plate 401 improves the sealing performance of the opposite side wall of the sealing plate 401, thereby improving the grinding efficiency of the vertical mill. Motor 2 502 drives the threaded rod 504 to rotate, thereby causing the threaded rod 504 to move the connecting plate 505 within the sliding groove 503, which in turn moves the sealing plate 401 within the through groove of the airlock valve channel 1, thereby controlling the air intake.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A vertical mill grinding airlock valve channel, comprising an airlock valve channel (1), characterized in that, The front side wall of the airlock valve channel (1) is provided with an inspection door. The interior of the airlock valve channel (1) is provided with a rotating groove. The left and right side walls of the airlock valve channel (1) are provided with through grooves. The upper and lower end faces of the airlock valve channel (1) are provided with feeding and discharging devices (2) for feeding and discharging. The interior of the airlock valve channel (1) is provided with an adjusting device (3) for controlling feeding. The interior of the airlock valve channel (1) is provided with a sealing device (4) for improving sealing. The outer surface of the airlock valve channel (1) is provided with a moving device (5) for supporting and adjusting the position.
2. The vertical mill grinding airlock valve channel according to claim 1, characterized in that, The feeding and discharging device (2) includes a feeding hopper (201) and a discharging hopper (202). The feeding hopper (201) is fixedly installed on the upper end face of the airlock valve channel (1), and the discharging hopper (202) is fixedly installed on the lower end face of the airlock valve channel (1).
3. The vertical mill grinding airlock valve channel according to claim 1, characterized in that, The adjusting device (3) includes a baffle plate (301), a support block (302), and an electric push rod (303). The baffle plate (301) is rotatably installed in the rotating groove inside the airlock valve channel (1). The support block (302) is fixedly installed on the left and right side walls inside the airlock valve channel (1). The electric push rod (303) is fixedly installed on the opposite side wall of the support block (302). The movable end of the electric push rod (303) is rotatably connected to the lower end face of the baffle plate (301).
4. The vertical mill grinding airlock valve channel according to claim 1, characterized in that, The sealing device (4) includes a sealing plate (401), a motor (402), a sealing strip (403), and a limiting groove (404). The sealing plate (401) is slidably installed in the through grooves on the left and right side walls of the airlock valve channel (1). The motor (402) is fixedly installed on the left and right side walls of the airlock valve channel (1). The sealing strip (403) is fixedly installed on the rotating end of the motor (402). The limiting groove (404) is fixedly installed on the left and right side walls of the airlock valve channel (1).
5. The vertical mill grinding airlock valve channel according to claim 4, characterized in that, The sealing plate (401) has connecting grooves on its opposite sidewalls.
6. The vertical mill grinding airlock valve channel according to claim 1, characterized in that, The moving device (5) includes a support frame (501), a second motor (502), a sliding groove (503), a threaded rod (504), and a connecting plate (505). The support frame (501) is fixedly installed on the outer surface of the airlock valve channel (1). The second motor (502) is fixedly installed on the upper end face of the support frame (501). The sliding groove (503) is fixedly installed on the upper end face of the support frame (501). The threaded rod (504) is fixedly installed on the rotating end of the second motor (502). The connecting plate (505) is slidably installed in the sliding groove (503). The connecting plate (505) is threadedly connected to the threaded rod (504). The connecting plate (505) is fixedly connected to the opposite side wall of the sealing plate (401).
Citation Information
Patent Citations
Vertical mill grinding air locking valve channel
CN213386724U