Sealing ring of powder concentrator

By introducing support devices and air guides into the sealing ring of the powder sorter, the wind force and pressure difference are used to change the wind direction of the sealing ring, the problem of powder leakage caused by the existing sealing ring cannot completely seal the gap, and a more efficient powder sealing and sorting effect is achieved.

CN222535538UActive Publication Date: 2025-02-28SICHUAN ZONGSHENG SPECIAL CEMENT CO LTD
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Patent Information

Application Number
CN202421313411.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-02-28
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The sealing ring of the existing powder picker cannot completely seal the gap, resulting in powder leakage, resulting in powder pollution and waste of resources in the selection warehousing.

Method used

A powder selector sealing ring including a support device is adopted. The support device is composed of a support ring, a fixing ring, a fixing plate and a air guide plate. The air guide plate rotates with the support ring to generate wind force and pressure difference, changing the wind direction of the sealing ring and preventing coarse particles from entering the selection chamber.

Benefits of technology

Effectively reduce powder leakage, improve sealing during powder sorting, prevent coarse particles from entering the sorting ware, protect product quality and reduce resource waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a powder concentrator sealing ring, and relates to the technical field of powder production, the powder concentrator sealing ring comprises a supporting device, the supporting device comprises a supporting ring and a fixing ring, the fixing ring is located on the inner wall of the supporting ring, and the fixing ring and the supporting ring are coaxially and fixedly connected; a plurality of fixing plates are evenly distributed in the circumferential direction of the fixing ring, the fixing plates are fixedly connected with the supporting ring and the fixing ring, and an air guide piece is installed between every two adjacent fixing plates. The sorting machine has the advantages that the sorting machine can be better sealed, and then coarse grain loss and resource waste are reduced.
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Description

Technical Field

[0001] The present application relates to the technical field of powder production, and in particular to a sealing ring of a powder classifier. Background Art

[0002] Powder concentrators are widely used in the modern powder industry, such as coal mills in new dry cement production lines, raw material intermediate unloading drying mills and cement mill systems. They are one of the important equipment for powder production. A certain gap is left between the shells, which will cause a certain amount of powder leakage.

[0003] In the related art, there is a certain gap between the shells, and a sealing ring is usually used to seal the gap, thereby filling the gap and sealing the powder to a certain extent, thereby reducing or preventing the leakage of the powdered substance.

[0004] With regard to the above-mentioned related technologies, the sealing ring cannot completely seal the gap, and a certain amount of powder will still leak out, thereby causing contamination of the powder in the selection bin, making it inconvenient for operators to perform subsequent related operations, and also causing a waste of resources. Utility Model Content

[0005] In order to better seal the classifier and thereby reduce coarseness and resource waste, the present application provides a powder classifier sealing ring.

[0006] This application provides a powder separator sealing ring, which adopts the following technical solution:

[0007] The sealing ring of the powder classifier comprises a supporting device, wherein the supporting device comprises a supporting ring and a fixing ring, wherein the fixing ring is located on the inner wall of the supporting ring and the fixing ring is coaxially fixedly connected with the supporting ring; the fixing ring is evenly distributed with a plurality of fixing plates in the circumferential direction, the fixing plates are fixedly connected with the supporting ring and the fixing ring, and an air guide plate is installed between two adjacent fixing plates.

[0008] By adopting the above technical scheme, the support ring provides support for the fixation of the fixed ring, and the fixed ring and the support ring jointly provide support for the installation of the fixed plate. At the same time, the fixed plate can provide stable support for the installation of the air guide vane. The setting of the air guide vane can enable the air guide vane to rotate with the support ring, thereby generating a certain wind force and a certain pressure difference, thereby changing the wind direction at the sealing ring, preventing coarse particles from entering the sorting bin and causing powder contamination, thereby ensuring the sealing during powder sorting.

[0009] Optionally, the air guide blade is arranged to be inclined, and the inclination direction of the air guide blade is inclined downward in a clockwise direction.

[0010] By adopting the above technical solution, the inclined setting of the air guide vane can better generate a certain wind force during the rotation of the support ring, thereby preventing coarse particles from entering the selection bin and causing a decrease in product quality.

[0011] Optionally, the support ring is provided with a plurality of connection holes, and the plurality of connection holes are evenly distributed circumferentially along the vertical direction.

[0012] By adopting the above technical solution, the setting of the connecting holes makes it easy for the operator to install the support ring on the corresponding rotating mechanism, and the interval setting of the connecting holes enables the connection of the support ring to be more stably fixed to the corresponding rotating mechanism, thereby ensuring the stability of the rotation.

[0013] Optionally, the fixing ring is provided with a receiving groove, the receiving groove is used to receive the air guide plate, the inner cavity of the receiving groove is provided with a locking device, the locking device includes a locking piece, the locking piece includes two locking rods, the locking rods are respectively located on both sides of the length direction of the receiving groove, the locking rods are fixedly connected to the fixing ring, and the output end of each locking rod is fixedly connected to a locking plate.

[0014] By adopting the above technical solution, the setting of the accommodating groove can provide a certain limiting effect on the air guide plate, and the setting of the locking member can further provide limiting effect on the air guide plate to prevent the air guide plate from falling off during rotation. The operator adjusts the distance between the locking plates through the locking rod, so that the locking plate can provide a stable supporting and limiting effect on the air guide plate.

[0015] Optionally, guide grooves are provided on the end surfaces of the locking plates that are close to each other and close to the accommodating grooves, and the groove depth of the guide grooves gradually decreases in a direction opposite to the opening direction of the accommodating grooves.

[0016] By adopting the above technical solution and setting the guide groove, the limiting effect of the locking plate on the air guide piece is gradually increased, which can facilitate the operator to insert the air guide piece between the two locking plates and improve the operator's work efficiency.

[0017] Optionally, a plurality of locking members are provided and are arranged at intervals along the length direction of the accommodating groove.

[0018] By adopting the above technical solution, multiple locking members are provided, so that the air guide vane can be limited from multiple positions, ensuring that the air guide vane will not fall off during the rotation of the support ring and cause danger, while ensuring the stable operation of the air guide vane.

[0019] Optionally, the fixed plate is provided with a supporting groove, which is used to accommodate an air guide plate; the fixed plate is provided with an installation groove on the side wall of the support groove, and the inner cavity of the installation groove is provided with a limiting device, and the limiting device includes a sliding block, a supporting block, a fixing rod and a limiting rod, the sliding block can slide along the installation groove, the fixing rod is fixedly connected to the sliding block, the support block is rotatably connected to the fixed plate, one end of the limiting rod is rotatably connected to the fixing rod, and the other end is passed through the support block.

[0020] By adopting the above technical solution, the support groove provides support for the installation of the air guide vane. The setting of the installation groove can provide stable support for the limiting device. The sliding block slides along the installation groove, thereby driving the fixed rod to slide. The support block rotates along the fixed plate, so that the limiting rod can pass through the support block to provide limitation for the air guide vane, preventing the air guide vane from falling off during the rotation of the support ring and causing danger, while ensuring the stable operation of the air guide vane.

[0021] Optionally, the support block is provided with a through hole, and the limiting rod is passed through the through hole.

[0022] By adopting the above technical solution, the provision of the through hole can provide sliding limitation for the limiting rod, and further enable the limiting rod to provide stable limitation for the air guide plate after passing through the supporting block.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. By setting the air guide, a certain wind force can be generated during the rotation of the support ring to prevent coarse particles from entering the sorting bin, causing coarse particles to run away and affect the quality of the product;

[0025] 2. By setting the connection hole, it is convenient for the operator to fix the support ring to the corresponding rotating mechanism;

[0026] 3. By setting the locking device and the limit device, it is convenient for the operator to fix the air guide vane to the fixing plate, and it is convenient for the operator to inspect and replace the air guide vane. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of Example 1 of the present application;

[0028] Figure 2 yes Figure 1 The enlarged schematic diagram of part A in the middle;

[0029] Figure 3 It is a schematic diagram of the overall structure of Example 2 of the present application;

[0030] Figure 4 is a schematic diagram of the locking device structure;

[0031] Figure 5 It is a schematic diagram of the limit device structure.

[0032] Figure numerals: 1. supporting device; 11. supporting ring; 12. fixing ring; 13. connecting hole; 14. fixing plate; 15. air guide plate; 16. accommodating groove; 17. supporting groove; 18. mounting groove; 2. locking device; 21. locking rod; 22. locking plate; 23. guide groove; 3. limiting device; 31. sliding block; 32. electric push rod; 33. supporting block; 34. fixing rod; 35. limiting rod; 36. through hole. DETAILED DESCRIPTION

[0033] The following is combined with Figure 1-5 This application is described in further detail.

[0034] The embodiments of the present application disclose a powder selector sealing ring.

[0035] Reference Figure 1 The powder classifier sealing ring includes a supporting device 1.

[0036] Example 1

[0037] Reference Figure 1 and Figure 2 The support device 1 includes a support ring 11 and a fixing ring 12. In this embodiment, the support ring 11 is preferably a hollow circular ring. The support ring 11 is horizontally arranged, and the axis of the support ring 11 is vertical. The fixing ring 12 is vertically arranged, the fixing ring 12 is located in the inner cavity of the support ring 11, and the fixing ring 12 and the support ring 11 are coaxially arranged, the outer wall of the fixing ring 12 is attached to the inner wall of the support ring 11, and the fixing ring 12 is fixedly connected to the support ring 11 by welding.

[0038] Reference Figure 1 and Figure 2 The top wall of the support ring 11 is vertically penetrated with a plurality of connection holes 13. In this embodiment, the shape of the connection holes 13 is preferably a circular hole, the number of the connection holes 13 is preferably four, and the four connection holes 13 are evenly distributed along the axial direction of the connection ring. In this embodiment, the connection holes 13 are used to accommodate corresponding positioning structures such as positioning bolts, and the support ring 11 is fixed to the corresponding rotating structure of the body by positioning structures such as positioning bolts.

[0039] Reference Figure 1 and Figure 2 The support device 1 also includes a fixing plate 14. In the present embodiment, there are multiple fixing plates 14, and the fixing plates 14 are preferably rectangular plates. The fixing plates 14 are vertically arranged, and the bottom wall of the fixing plate 14 is fixedly connected to the support ring 11 by welding, and the side wall is fixedly connected to the fixing ring 12 by welding.

[0040] Reference Figure 1 and Figure 2 The support device 1 further includes an air guide 15. In this embodiment, there are a plurality of air guides 15, and an air guide 15 is provided between two adjacent fixing plates. The air guide 15 is tilted, and the tilt direction of the air guide 15 is downwardly tilted in the clockwise direction. In this embodiment, the shape of the air guide 15 is preferably a right-angled trapezoid, wherein the longer section of the two parallel sides is fixedly connected to the end of the side wall of the fixing plate 14 away from the supporting plate by welding, and the other shorter section is fixedly connected to the end of the other fixing plate 14 close to the supporting ring 11 by welding, and the other right-angled side of the air guide 15 is fixedly connected to the side wall of the fixing ring 12 by welding.

[0041] The implementation principle of Example 1 of the present application is: the operator first fixes the support ring 11 at the corresponding position of the machine body through the positioning structure, and then the corresponding position of the machine body rotates, thereby driving the support ring 11 to rotate, and the support ring 11 drives the fixed ring 12, the fixed plate 14 and the air guide plate 15 to rotate, thereby changing the wind direction of the sealing ring, forming a certain pressure difference, preventing coarse particles from entering the selection bin, causing coarse bubbles, affecting the quality of the product, and making it inconvenient for the operator to perform subsequent related operations.

[0042] Example 2

[0043] The difference between this embodiment and embodiment 1 is that in embodiment 1, the air guide vane 15 is fixedly connected to the support ring 11, the fixing ring 12 and the fixing plate 14 by welding, which makes it inconvenient for the operator to perform corresponding maintenance on the air guide vane 15 and replace the dirty or damaged air guide vane 15, which may cause a decrease in the sealing effect and contamination of the product over time.

[0044] Reference Figure 2 , Figure 3 and Figure 4 The fixing ring 12 is provided with a receiving groove 16, and the receiving groove 16 is used to receive the air guide plate 15. The inner cavity of the receiving groove 16 is provided with a locking device 2, and the locking device 2 includes multiple sets of locking members, and the multiple locking members are arranged at intervals along the length direction of the receiving groove 16. The locking members include two locking rods 21. In this embodiment, the length of the locking rods 21 is electrically adjustable. The two locking rods 21 are respectively located on both sides of the length direction of the receiving groove 16, and the telescopic direction of the locking rods 21 is perpendicular to the length direction of the receiving groove 16. The locking rods 21 are fixedly connected to the fixing ring 12 by screw fixing. The ends of the locking rods 21 that are close to each other are each provided with a locking plate 22. In this embodiment, the locking plate 22 has a certain deformation ability, and the locking plate 22 is fixedly connected to the locking rod 21 by screw fixing. A guide groove 23 is provided at one end of the locking plate 22 that is close to the opening of the receiving groove 16, and the groove depth of the guide groove 23 gradually decreases in the direction opposite to the opening direction of the receiving groove 16.

[0045] Reference Figure 2 , Figure 3 and Figure 5 , both side walls of the fixed plate 14 are provided with support grooves 17, and the support grooves 17 are used to accommodate the air guide plates 15. The inner cavity of the support groove 17 is provided with a limiting device 3, and the fixed plate 14 is provided with a mounting groove 18 on the end surface of the support groove 17 close to the support ring 11, and the mounting groove 18 and the support groove 17 have the same length direction, and the mounting groove 18 and the inner cavity of the support groove 17 are connected. The limiting device 3 includes a sliding block 31, an electric push rod 32, a support block 33, a fixing rod 34 and a limiting rod 35, the sliding block 31 can slide along the length direction of the mounting groove 18, the electric push rod 32 is located in the mounting groove 18, and the driving direction of the electric push rod 32 is parallel to the length direction of the mounting groove 18, the outer shell of the electric push rod 32 is fixedly connected to the fixed plate 14 by screw fixing, and the other end is fixedly connected to the sliding block 31 by screw fixing. The support block 33 is located at one end of the mounting groove 18 away from the fixing ring 12. The support block 33 is rotatably connected through a bearing and a fixing plate 14. A through hole 36 is penetrated by the support block 33. The length direction of the fixing rod 34 is parallel to the length direction of the mounting groove 18. One end of the fixing rod 34 is fixedly connected to the sliding block 31 by means of screws, and the other end is rotatably connected through a hinge seat and a limit rod 35. The limit rod 35 is penetrated through the through hole 36, and the limit rod 35 can slide along the length direction of the through hole 36.

[0046] The implementation principle of the second embodiment of the present application is as follows: when installing the air guide blade 15, the operator first slides the electric push rod 32 along the installation groove 18, thereby driving the fixing rod 34 to slide, so that the limiting rod 35 is retracted into the through groove. Then, the air guide blade 15 is slid along the support groove 17, the air guide blade 15 enters the guide groove 23, and squeezes the two locking plates 22, so that the locking plates 22 limit the air guide blade 15.

[0047] When the air guide plate 15 is in a suitable position, the electric push rod 32 drives the fixing rod 34 to slide, and the limiting rod 35 passes through the supporting block 33, and the supporting block 33 rotates, and the limiting rod 35 is attached to the side wall of the air guide plate 15, thereby completing the limiting of the air guide plate 15.

[0048] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. Powder classifier sealing ring, characterized by: The invention comprises a support device (1), wherein the support device (1) comprises a support ring (11) and a fixing ring (12), wherein the fixing ring (12) is located on the inner wall of the support ring (11) and the fixing ring (12) is coaxially fixedly connected to the support ring (11); the fixing ring (12) is provided with a plurality of fixing plates (14) evenly distributed around the circumference, the fixing plates (14) are fixedly connected to the support ring (11) and the fixing ring (12), and an air guide plate (15) is installed between two adjacent fixing plates (14).

2. The powder classifier sealing ring according to claim 1, characterized in that: The air guide plate (15) is arranged tilted, and the tilting direction of the air guide plate (15) is tilted downward in a clockwise direction.

3. The powder classifier sealing ring according to claim 2, characterized in that: The support ring (11) is provided with a plurality of connection holes (13) extending therethrough, and the plurality of connection holes (13) are evenly distributed circumferentially along the vertical direction.

4. The powder concentrator sealing ring according to claim 1, characterized in that: The fixing ring (12) is provided with a receiving groove (16), the receiving groove (16) is used to receive the air guide plate (15), the inner cavity of the receiving groove (16) is provided with a locking device (2), the locking device (2) comprises a locking member, the locking member comprises two locking rods (21), the locking rods (21) are respectively located on both sides of the length direction of the receiving groove (16), the locking rods (21) are fixedly connected to the fixing ring (12), and the output end of each locking rod (21) is fixedly connected to a locking plate (22).

5. The powder classifier sealing ring according to claim 4, characterized in that: The end surfaces of the locking plates (22) that are close to each other and close to the receiving groove (16) are provided with guide grooves (23), and the groove depth of the guide grooves (23) gradually decreases in a direction opposite to the opening direction of the receiving groove (16).

6. The powder classifier sealing ring according to claim 5, characterized in that: A plurality of locking members are provided and are arranged at intervals along the length direction of the accommodating groove (16).

7. The powder concentrator sealing ring according to claim 1, characterized in that: The fixing plate (14) is provided with a supporting groove (17), and the supporting groove (17) is used to accommodate the air guide plate (15); the fixing plate (14) is provided with a mounting groove (18) on the side wall of the supporting groove (17); the inner cavity of the mounting groove (18) is provided with a limiting device (3), and the limiting device (3) comprises a sliding block (31), a supporting block (33), a fixing rod (34) and a limiting rod (35); the sliding block (31) can slide along the mounting groove (18); the fixing rod (34) is fixedly connected to the sliding block (31); the supporting block (33) is rotatably connected to the fixing plate (14); one end of the limiting rod (35) is rotatably connected to the fixing rod (34), and the other end is passed through the supporting block (33).

8. The powder classifier sealing ring according to claim 7, characterized in that: The support block (33) is provided with a through hole (36), and the limiting rod (35) is passed through the through hole (36).