Lime powder impurity screening device
By designing a lime powder impurity screening device, the combination of the screen plate and the cam and the connection of the return spring can achieve rapid vibration and impurity cleaning of lime powder, solving the problem of screening of hard blocks and impurities in desulfurized lime powder, and improving processing efficiency.
Patent Information
- Application Number
- CN202420683726.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-03
AI Technical Summary
After processing and grinding, the existing desulfurized lime powder still contains hard blocks and impurities, and the existing impurity screening method is cumbersome and inefficient.
A lime powder impurity screening device is designed, through the cooperation of the screen plate and the cam, and connected by a return spring, to achieve rapid vibration of the screen plate, and the screen material assembly is installed to clean up the impurities and material residues on the screen plate.
It realizes rapid and effective impurity screening of lime powder, improves work efficiency, and solves the problems of impurities and material residues on the screen plate.
Smart Images
Figure CN222587224U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lime powder processing, in particular to a lime powder impurity screening device. Background Art
[0002] Desulfurized lime refers to the process of using lime or limestone slurry to absorb sulfur dioxide in flue gas in an absorption tower, and then sending it to an oxidation tower, introducing air for oxidation, and obtaining calcium sulfate slurry to produce finished sulfated gypsum, which is then finely ground to obtain desulfurized lime powder.
[0003] After the existing desulfurized lime powder is processed and ground, it still contains certain lumps and impurities. The existing impurity screening method is mostly manual screening by operators, which is cumbersome to operate and has low work efficiency. Therefore, there is an urgent need for a preparation device with impurity removal function for desulfurized lime powder processing to solve the above problems. Utility Model Content
[0004] The utility model aims to provide a lime powder impurity screening device, which realizes rapid vibration of the screen plate through the cooperation of the screen plate and the cam and the connection through a reset spring, and cleans the screen plate during the screening process by installing a screening material component, thereby solving the problem of impurities or material residues on the screen plate.
[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:
[0006] The utility model discloses a lime powder impurity screening device, comprising a base, a material discharging assembly and a material screening assembly installed on the base; the material screening assembly comprises a material screening box; a fixed plate is installed on the inner wall of the material screening box; two round rods are symmetrically fixed on the side of the fixed plate; a screw rod is rotatably arranged on the side of the fixed plate; a motor is installed inside the fixed plate at one end of the screw rod; a mounting plate that rotates with the screw rod thread is slidably arranged between the two round rods; two ear plates are symmetrically installed on the side of the mounting plate; a rotating rod is rotatably arranged between the two ear plates; rotating paddles are installed on the peripheral side of the rotating rod in a linear array; a mounting groove is opened on the bottom surface of the mounting plate; a push piece is slidably arranged on the inner wall of the mounting groove; an extrusion spring is connected between the push piece and the mounting groove; first gears are symmetrically installed on both ends of the rotating rod; tooth plates meshing with the first gear are symmetrically installed on two opposite inner walls of the material screening box.
[0007] The utility model is further configured as follows: a fixed block is installed on the inner wall of the screening box; a reset spring is connected to the surface of the fixed block; a lifting groove is provided on the inner wall of the screening box; the other end of the reset spring is connected to a screen plate that cooperates with the lifting groove for lifting and sliding; and screen holes are distributed on the surface of the screen plate in a linear array.
[0008] The utility model is further configured that a first rotating shaft is rotatably arranged between two opposite side surfaces of the screening box; and cams are symmetrically installed on the side surfaces around the first rotating shaft.
[0009] The utility model is further configured as follows: the material discharge assembly comprises a material discharge box installed on the surface of the screening box; a rotating assembly is rotatably arranged between two opposite inner walls of the material discharge box; the rotating assembly comprises a second rotating shaft; two discs are symmetrically installed on the circumferential side of the second rotating shaft; and a triangular plate is connected between the two discs.
[0010] The utility model is further configured that a second gear is fixedly installed on the peripheral side of the second rotating shaft; a third rotating shaft is rotatably arranged on the side of the unloading box; and a missing gear meshing with the second gear is fixed on the end of the third rotating shaft.
[0011] The utility model is further configured that a first sprocket is installed at the end of the third rotating shaft; a second sprocket is fixedly installed on the peripheral side of the first rotating shaft; and a chain is meshed and matched between the first sprocket and the second sprocket.
[0012] The utility model is further configured that two mounting frames are symmetrically mounted on the side of the screening box; and a servo motor is fixedly mounted between the two mounting frames.
[0013] The utility model is further configured that an extension plate matched with the screen plate is installed on the side of the screen box; and a limit plate is symmetrically arranged on the surface of the extension plate.
[0014] The utility model has the following beneficial effects:
[0015] 1. The utility model drives the screw rod to rotate through the motor, thereby driving the mounting plate to slide inside the screening box. Through the meshing cooperation of the first gear and the rack, the rotating rod is driven to rotate during the sliding of the mounting plate, thereby driving the rotating paddle to rotate; thereby playing a role in promoting and dispersing the lime powder.
[0016] 2. The utility model installs a rotating component, drives the sprocket chain to rotate through a motor, drives the missing gear to rotate, and through the meshing cooperation of the missing gear and the second gear, plays a role in the timing and angle rotation of the rotating component. When the missing gear rotates one circle, the rotating component rotates 120 degrees, and the feeding component feeds once, which can effectively feed lime powder quantitatively and prevent lime powder from being blocked.
[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 The figure is a schematic diagram of the structure of a lime powder impurity screening device.
[0020] Figure 2 It is a structural schematic diagram of the screening component.
[0021] Figure 3 for Figure 2 Schematic diagram of the structure of A.
[0022] Figure 4 It is a structural schematic diagram of the screening box.
[0023] Figure 5 It is a schematic diagram of the structure of the rotating component.
[0024] In the accompanying drawings, the list of parts represented by each number is as follows: 1. Base; 2. Feeding assembly; 3. Screening assembly; 4. Screening box; 5. Fixed plate; 6. Round rod; 7. Screw rod; 8. Mounting plate; 9. Ear plate; 10. Rotating rod; 11. Rotating paddle; 12. Push plate; 13. First gear; 14. Tooth plate; 15. Fixed block; 16. Return spring; 17. Screen plate; 18. Screen hole; 19. First rotating shaft; 20. Cam; 21. Feeding box; 22. Rotating assembly; 23. Second rotating shaft; 24. Disc; 25. Triangular plate; 26. Second gear; 27. Third rotating shaft; 28. Missing gear; 29. First sprocket; 30. Second sprocket; 31. Mounting frame; 32. Servo motor; 33. Extension plate; 34. Limit plate. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1
[0027] See also Figure 1-5The utility model is a lime powder impurity screening device, comprising a base 1 and a feeding assembly 2 and a screening assembly 3 installed on the base 1; the screening assembly 3 comprises a screening box 4; a fixing plate 5 is installed on the side of the screening box 4; two round rods 6 are symmetrically fixed on the side of the fixing plate 5; a screw rod 7 is rotatably arranged on the side of the fixing plate 5; one end of the screw rod 7 is located inside the fixing plate 5 and a motor is installed; a mounting plate 8 compatible with the screw rod 7 is slidably arranged between the two round rods 6; two ear plates 9 are symmetrically installed on the side of the mounting plate 8; a rotating rod 10 is rotatably arranged between the two ear plates 9; a rotating paddle 11 is installed on the side surface of the rotating rod 10 in a linear array; a mounting groove is opened on the bottom surface of the mounting plate 8; a push piece 12 is slidably arranged on the inner wall of the mounting groove; an extrusion spring is connected between the push piece 12 and the mounting groove; first gears 13 are symmetrically installed at both ends of the rotating rod 10; tooth plates 14 meshing with the first gear 13 are symmetrically installed on the two opposite inner walls of the screening box 4
[0028] The operation process of this embodiment is: the lead screw 7 is driven to rotate by the motor, thereby driving the mounting plate 8 to slide on the inner wall of the screening box 4, and through the meshing cooperation of the first gear 13 and the rack 14, while the mounting plate 8 slides, the rotating rod 10 is rotated, thereby driving the rotating paddle 11 to rotate; the lime powder can be pushed by installing the push piece 12, because an extrusion spring is connected between the push piece 12 and the mounting plate 8, so the push piece 12 vibrates with the screen plate 17, and the height of the push piece 12 can be adjusted by the elastic force of the extrusion spring, and is not affected by the vibration of the screen plate 17; the lime powder can be stirred by installing the rotating paddle 11, thereby achieving the effect of sufficient screening. Specific embodiment 2
[0030] See also Figure 1-5 On the basis of the specific embodiment 1, a fixing block 15 is installed on the inner wall of the screening box 4; a reset spring 16 is connected to the surface of the fixing block 15; a lifting groove is provided on the inner wall of the screening box 4; the other end of the reset spring 16 is connected to a screen plate 17 that is slidably matched with the lifting groove; screen holes 18 are provided on the surface of the screen plate 17 in a linear array. A first rotating shaft 19 is rotatably provided between two opposite sides of the screening box 4; cams 20 are symmetrically provided on the side surfaces of the first rotating shaft 19.
[0031] The operation process of this embodiment is as follows: by rotating the first rotating shaft 19 to drive the cam 20 to rotate, thereby vibrating the sieve plate 17, by installing the reset spring 16 to reset the sieve plate 17, and through the cooperation of the sieve plate 17 and the cam 20, the sieve plate 17 is lifted and reciprocated, and the sieve plate 17 is connected to the cam 20 by the reset spring 16. The impurities in the lime powder can be screened out through the above operation. Specific embodiment three
[0033] See also Figure 1-5On the basis of the first and second specific embodiments, the material discharge assembly 2 includes a material discharge box 21 installed on the surface of the screening box 4; a rotating assembly 22 is rotatably arranged between the two opposite inner walls of the material discharge box 21; the rotating assembly 22 includes a second rotating shaft 23; two discs 24 are symmetrically installed on the side surface of the second rotating shaft 23; a triangular plate 25 is connected between the two discs 24; a second gear 26 is fixedly installed on the side surface of the second rotating shaft 23; a third rotating shaft 27 is rotatably arranged on the side surface of the material discharge box 21; a missing gear 28 meshing with the second gear 26 is fixed at the end of the third rotating shaft 27; a first sprocket 29 is installed at the end of the third rotating shaft 27; a second sprocket 30 is fixedly installed on the side surface of the first rotating shaft 19; a chain is meshingly arranged between the first sprocket 29 and the second sprocket 30; two mounting frames 31 are symmetrically installed on the side surface of the screening box 4; a servo motor 32 is fixedly installed between the two mounting frames.
[0034] The operation process of this embodiment is: the first rotating shaft 10 is driven to rotate by the servo motor 32, and then the second sprocket 30 is driven to rotate, and the rotating assembly 22 is driven to rotate through the meshing cooperation of the second sprocket 30, the first sprocket 29 and the chain. Because the diameter of the first sprocket 29 is larger than the diameter of the second sprocket 30, the second sprocket 30 rotates ten circles and the first sprocket 29 rotates one circle. Through the rotation cooperation of the missing gear 28 and the second gear 26, the missing gear 28 rotates one circle, that is, the second gear 26 rotates one circle; then the rotating assembly 22 rotates one circle, thereby realizing the timed and quantitative feeding of lime powder, and preventing the lime powder from being blocked inside the screening box 4.
[0035] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0036] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A lime powder impurity screening device, comprising a base (1) and a material discharge assembly (2) and a material screening assembly (3) mounted on the base (1); characterized in that: The screening material assembly (3) comprises a screening material box (4); a fixing plate (5) is installed on the inner wall of the screening material box (4); a screw rod (7) is rotatably installed on the side of the fixing plate (5); two round rods (6) are symmetrically fixedly installed on the side of the fixing plate (5); a motor is installed inside the fixing plate (5) at one end of the screw rod (7); a mounting plate (8) is slidably installed between the two round rods (6) and is threadably rotated with the screw rod (7); two ear plates (9) are symmetrically installed on the side of the mounting plate (8); the two ear plates (9) 9) is provided with a rotating rod (10) running through and rotating between the rotating rod (10); rotating paddles (11) are installed on the peripheral side of the rotating rod (10) in a linear array; a mounting groove is provided on the bottom surface of the mounting plate (8); a push piece (12) is slidably provided on the inner wall of the mounting groove; an extrusion spring is connected between the push piece (12) and the mounting groove; first gears (13) are symmetrically installed at both ends of the rotating rod (10); tooth plates (14) meshing with the first gear (13) are symmetrically installed on two opposite inner walls of the screening box (4).
2. A lime powder impurity screening device according to claim 1, characterized in that: A fixing block (15) is installed on the inner wall of the screening box (4); a return spring (16) is connected to the surface of the fixing block (15); a lifting groove is provided on the inner wall of the screening box (4); the other end of the return spring (16) is connected to a screening plate (17) that is slidably matched with the lifting groove; and screening holes (18) are provided on the surface of the screening plate (17) in a linear array.
3. A lime powder impurity screening device according to claim 2, characterized in that: A first rotating shaft (19) is rotatably arranged between two opposite side surfaces of the screening box (4); and cams (20) are symmetrically mounted on the peripheral side surfaces of the first rotating shaft (19).
4. A lime powder impurity screening device according to claim 3, characterized in that: The material discharge assembly (2) comprises a material discharge box (21) mounted on the surface of a screening box (4); a rotating assembly (22) is rotatably arranged between two opposite inner walls of the material discharge box (21); the rotating assembly (22) comprises a second rotating shaft (23); two circular discs (24) are symmetrically mounted on the circumferential side of the second rotating shaft (23); and a triangular plate (25) is connected between the two circular discs (24).
5. A lime powder impurity screening device according to claim 4, characterized in that: A second gear (26) is fixedly mounted on the circumferential side of the second rotating shaft (23); a third rotating shaft (27) is rotatably arranged through the side of the unloading box (21); and a missing gear (28) meshing with the second gear (26) is fixed at the end of the third rotating shaft (27).
6. A lime powder impurity screening device according to claim 5, characterized in that: A first sprocket (29) is installed at the end of the third rotating shaft (27); a second sprocket (30) is fixedly installed on the peripheral side of the first rotating shaft (19); and a chain is arranged in meshing cooperation between the first sprocket (29) and the second sprocket (30).
7. A lime powder impurity screening device according to claim 6, characterized in that: Two mounting frames (31) are symmetrically mounted on the side of the screening box (4); a servo motor (32) is fixedly mounted between the two mounting frames (31).
8. A lime powder impurity screening device according to claim 7, characterized in that: An extension plate (33) adapted to the sieve plate (17) is installed on the side of the sieve box (4); and a limit plate (34) is symmetrically arranged on the surface of the extension plate (33).