Adjustable damper for cement mill
By introducing an adjustable damper structure into the V-separator, the problem of adjusting the damper opening of traditional V-separator equipment has been solved, enabling precise air separation based on material and particle size, improving the efficiency and quality of cement production, and reducing energy consumption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANSHUI MATERIALS CEMENT CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-06-12
Smart Images
Figure CN224346034U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cement production technology, and in particular to an adjustable damper for a cement mill. Background Technology
[0002] V-separator (V-type air classifier) is a static grading and dispersing equipment used in industries such as building materials and metallurgy. It is mainly used to disperse, grade and dry materials (such as cement, slag, sand and gravel) produced by equipment such as roller press or vertical mill, and separate qualified fine powder to improve the efficiency and output of the grinding system. It is a key piece of equipment in the grinding system.
[0003] During the operation of the V-separator, it was found that adjusting the damper opening according to the wind speed directly affects the material classification accuracy, system efficiency, and energy consumption. Specifically, the larger the damper opening, the higher the wind speed, the more fine powder is carried away by the airflow, and the finer the finished product particle size; conversely, the proportion of coarse powder increases. Furthermore, the damper can be flexibly adjusted to meet the different fineness requirements of cement raw materials, slag, coal powder, etc., thereby improving the production quality and energy consumption of cement. To address these issues, we have proposed an adjustable damper for cement mill V-separators. Utility Model Content
[0004] This application provides an adjustable air damper for V-separation in a cement mill, which solves the problem that traditional V-separation equipment is difficult to perform air separation according to production processes or different materials.
[0005] This application provides an adjustable damper for a cement mill V-separator, including a V-separator. Multiple inlet regulating plates are installed in the inlet chamber of the V-separator, and an outlet regulating plate is rotatably installed in the outlet chamber of the V-separator. The inlet regulating plate and the outlet regulating plate are respectively located between the feed inlet and the coarse material outlet. A rotating shaft at one end of the outlet regulating plate passes through the V-separator and extends to one side of the V-separator. An adjusting handle is fixed on the rotating shaft, and an adjusting structure is provided on one side of the adjusting handle.
[0006] Preferably, the adjustment structure includes a guide rail fixed to the side wall of the V-selector, a plurality of positioning screw holes are provided on the guide rail, and a fixing screw is provided through the adjustment handle, the fixing screw corresponding to the positioning screw holes.
[0007] Preferably, the adjustment structure includes a guide rail fixed to the side wall of the V-selector, a guide rail groove provided on the guide rail, the guide rail groove being arc-shaped, a slider provided on one side of the adjustment handle, the slider being mounted on the guide rail groove, and the adjustment handle being provided with an adjustment fixing mechanism.
[0008] Preferably, the adjusting and fixing mechanism includes a connecting rod hinged to a plurality of the adjusting handles, one end of the connecting rod being hinged to a cylinder, and one side of the cylinder being hinged to the side wall of the V-selector.
[0009] Preferably, the adjusting and fixing mechanism includes a fixing screw that passes through the adjusting handle, and the slider is threaded onto the fixing screw.
[0010] Preferably, a spoiler is also installed at the bottom of the air outlet regulating plate.
[0011] As can be seen from the above technical solutions, this application provides an adjustable air damper for V-separation in a cement mill. In use, according to the production process and the materials to be separated by air, a corresponding particle size table for each material is set up. Then, through experiments, the angle of the outlet regulating plate is adjusted under different inlet air sizes to ensure that the V-separation results meet the process requirements. The optimal inlet air size and outlet regulating plate angle for that particle size are then obtained and recorded. After the adjustment tests of all raw materials and corresponding particle sizes are completed in the testing phase, the results are recorded. Whenever the corresponding material and corresponding particle size are separated by air, the angle of the outlet regulating plate and the inlet air size are adjusted to the test position for air separation.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. By adjusting the structure and the setting of the air inlet regulating plate, the optimal air separation scheme for the corresponding material and particle size can be obtained. It can be adjusted according to different materials and particle sizes to achieve the optimal air separation state. This not only improves the efficiency and quality of air separation, but also allows the selection of the optimal energy consumption method for air separation based on the energy consumption scheme.
[0014] 2. The adjustable handle allows staff or related equipment to easily adjust the air intake adjustment plate from outside the V-separator, improving the convenience of adjustment.
[0015] In summary, this application, through the configuration of the V-separator, enables the equipment to select multiple V-separation methods based on the air separation conditions of different materials and particle sizes, thereby improving the quality and efficiency of materials, ensuring optimal power consumption in the V-separation process, greatly increasing the system's flexibility, and providing a certain guarantee for subsequent exploration of new cement processes. Attached Figure Description
[0016] To more clearly illustrate the technical solution of this application, the accompanying drawings used in the implementation examples will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.
[0017] Figure 1 This is a schematic diagram of the internal structure of an adjustable damper for a cement mill according to the present invention.
[0018] Figure 2A schematic diagram of the fixing screw and positioning screw hole fixing structure of a cement mill V-select adjustable damper proposed in this utility model;
[0019] Figure 3 This is a schematic diagram of the guide rail groove of an adjustable damper for a cement mill V-type filter proposed in this utility model.
[0020] Figure 4 This is a schematic diagram of the slider installation structure of an adjustable damper for a cement mill V-type filter proposed in this utility model.
[0021] Figure 5 This is a schematic diagram of a cylinder adjustment structure for an adjustable damper for a cement mill V-type filter, as proposed in this utility model.
[0022] Figure 6 This is a schematic diagram of the fixing screw and slider clamping and fixing structure of an adjustable damper for a cement mill V-type gearbox proposed in this utility model.
[0023] In the diagram: 1 V selector, 2 air outlet chamber, 3 feed inlet, 4 air inlet chamber, 5 coarse material outlet, 6 cylinder, 7 connecting rod, 8 adjusting handle, 9 guide rail, 10 air inlet adjusting plate, 11 air outlet adjusting plate, 12 spoiler, 13 rotating shaft, 14 guide rail groove, 15 slider, 16 fixing screw, 17 positioning screw hole. Detailed Implementation
[0024] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.
[0025] See Figure 1-6This application discloses an adjustable damper for V-separation in a cement mill. The damper is used to adjust the internal damper of the V-separator to change the airflow path, thereby achieving filtration under different particle sizes, materials, and airflow forces. The V-separator includes a V-separator 1. Multiple inlet regulating plates 10 are installed in the inlet chamber 4 of the V-separator 1. This application chooses to fix the inlet regulating plates 10, and in principle, only one side plate needs adjustment, which also facilitates obtaining stable data. Alternatively, the inlet regulating plates 10 can be adjusted while the outlet regulating plates 11 are fixed, or both sides can be adjusted. In this application, an outlet regulating plate 11 is rotatably installed in the outlet chamber 2 of the V-separator 1, and only the outlet regulating plate 11 is adjusted. The design features fewer variables, making experiments and recording easier, and single-sided adjustment reduces installation costs and facilitates maintenance. The inlet regulating plate 10 and outlet regulating plate 11 are located between the feed inlet 3 and the coarse material outlet 5, respectively. During adjustment, the rotating shaft 13 at one end of the outlet regulating plate 11 passes through the V separator 1 and extends to one side of the V separator 1. The outlet regulating plate 11 can be adjusted by rotating the rotating shaft 13 that extends to the outside. An adjusting handle 8 is fixed on the rotating shaft 13. The adjusting handle 8 reduces the force during rotation and improves the ease of adjustment. Furthermore, an adjusting structure is provided on one side of the adjusting handle 8. The adjusting handle 8 is rotated through the adjusting structure and positioned after being adjusted to the appropriate position.
[0026] In this utility model, such as Figure 2 As shown, the adjustment structure includes a guide rail 9 fixed on the side wall of the V separator 1, which is used to position and assist in the adjustment of the adjustment handle 8. The guide rail 9 is welded to the V separator 1, and multiple positioning screw holes 17 are provided on the guide rail 9. A fixing screw 16 is provided through the adjustment handle 8. The fixing screw 16 corresponds to the positioning screw hole 17. In use, the adjustment handle 8 is manually adjusted to a suitable position and then fixed by the fixing screw 16.
[0027] In some embodiments of this utility model, such as Figure 3-4 As shown, the adjustment structure includes a guide rail 9 fixed on the side wall of the V separator 1. The guide rail 9 is provided with a guide rail groove 14, which is arc-shaped. A slider 15 is provided on one side of the adjustment handle 8. The slider 15 is installed on the guide rail groove 14. The adjustment handle 8 can slide on the guide rail 9 through the slider 15, which improves the stability of the adjustment handle 8 during rotation. The adjustment handle 8 is provided with an adjustment fixing mechanism. After the adjustment handle 8 is adjusted to a suitable position, it can be fixed through the adjustment fixing mechanism. Compared with fixed-point fixing, this fixed adjustment method can achieve small-angle adjustment and fixing.
[0028] In some embodiments of this utility model, such as Figure 5As shown, the adjusting and fixing mechanism includes a connecting rod 7 hinged to multiple adjusting handles 8. In this embodiment, multiple adjusting handles 8 can be adjusted simultaneously through the connecting rod 7. Specifically, a cylinder 6 is hinged to one end of the connecting rod 7, and one side of the cylinder 6 is hinged to the side wall of the V separator 1. The adjusting handles 8 can be adjusted through the cylinder 6, and can be remotely controlled.
[0029] In some embodiments of this utility model, such as Figure 6 As shown, the adjusting and fixing mechanism includes a fixing screw 16 that passes through the adjusting handle 8. The slider 15 is threaded onto the fixing screw 16. The slider 15 is not fixed to the adjusting handle 8, but is only connected by the fixing screw 16. In this embodiment, the adjusting handle 8 can be adjusted to any position in the guide rail groove 14 by the slider 15. By tightening the fixing screw 16, the slider 15 and the adjusting handle 8 are clamped to the guide rail 9 to achieve the purpose of fixing. This method can flexibly adjust the angle of the adjusting handle 8, and can also make the angle of each adjusting handle 8 different, so as to adjust the air outlet adjusting plate 11 more flexibly.
[0030] In this utility model, a baffle plate 12 is also installed at the bottom of the air outlet regulating plate 11, which can strengthen the strength of the air outlet regulating plate 11, prevent it from deforming, and at the same time reduce the friction of materials on the air outlet regulating plate 11, thereby improving the service life of the air outlet regulating plate 11.
[0031] As can be seen from the above technical solution, when using this application, a corresponding particle size table for each material is set according to the production process and the material to be air-separated. Then, through experiments, the angle of the outlet regulating plate 11 is adjusted under different inlet air sizes to make the V-separation result meet the process requirements. Then, the optimal inlet air size and outlet regulating plate 11 angle for that particle size are obtained and recorded. After the adjustment test of all raw materials and corresponding particle sizes is completed in the testing phase, the results are recorded. Whenever the corresponding material and corresponding particle size are air-separated, the angle of the outlet regulating plate 11 and the inlet air size are adjusted to the test position to carry out the air separation work.
[0032] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope of this application is indicated by the claims.
[0033] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The embodiments of this application described above do not constitute a limitation on the scope of protection of this application.
Claims
1. A cement mill V-separator adjustable damper, comprising a V-separator (1), characterized in that: Multiple air inlet regulating plates (10) are installed in the air inlet chamber (4) of the V separator (1). An air outlet regulating plate (11) is rotatably installed in the air outlet chamber (2) of the V separator (1). The air inlet regulating plate (10) and the air outlet regulating plate (11) are located between the feed inlet (3) and the coarse material outlet (5), respectively. The rotating shaft (13) at one end of the air outlet regulating plate (11) passes through the V separator (1) and extends to one side of the V separator (1). An adjusting handle (8) is fixed on the rotating shaft (13). An adjusting structure is provided on one side of the adjusting handle (8).
2. The adjustable damper for a cement mill according to claim 1, characterized in that, The adjustment structure includes a guide rail (9) fixed on the side wall of the V-selector (1), a plurality of positioning screw holes (17) are provided on the guide rail (9), and a fixing screw (16) is provided through the adjustment handle (8), the fixing screw (16) and the positioning screw hole (17) correspond to each other.
3. The adjustable damper for a cement mill according to claim 1, characterized in that, The adjustment structure includes a guide rail (9) fixed on the side wall of the V-selector (1), a guide rail groove (14) is provided on the guide rail (9), the guide rail groove (14) is arc-shaped, a slider (15) is provided on one side of the adjustment handle (8), the slider (15) is installed on the guide rail groove (14), and the adjustment handle (8) is provided with an adjustment fixing mechanism.
4. The adjustable damper for a cement mill according to claim 3, characterized in that, The adjustment and fixing mechanism includes a connecting rod (7) hinged to a plurality of the adjustment handles (8), one end of the connecting rod (7) is hinged to a cylinder (6), and one side of the cylinder (6) is hinged to the side wall of the V-selector (1).
5. The adjustable damper for a cement mill according to claim 4, characterized in that, The adjustment and fixing mechanism includes a fixing screw (16) that passes through the adjustment handle (8), and the slider (15) is threaded onto the fixing screw (16).
6. The adjustable damper for a cement mill according to claim 1, characterized in that, A spoiler (12) is also installed at the bottom of the air outlet regulating plate (11).