Efficient energy-saving dust collecting device of cement grinding mill roller press
By optimizing the fan design and cyclone dust collector of the cement mill roller press, and adopting streamlined airfoil blades and guide plates, the problem of low fan efficiency in cement production has been solved, thereby reducing system energy consumption and achieving efficient operation of the grinding system.
Patent Information
- Application Number
- CN202423248730.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Low operating efficiency of fans in cement production leads to high energy consumption. Existing circulating fans have design flaws, resulting in low efficiency and an inability to effectively reduce energy consumption.
The high-efficiency and energy-saving fan adopts streamlined airfoil blades. Combining fluid dynamics and cyclone dust collector theory, the fan design is optimized, reducing the duct turning angle and bend spacing, and setting guide plates and grids to improve fan efficiency and dust collection efficiency.
By optimizing the combination of fan design and cyclone dust collector, the efficiency of fans in cement production has been improved, system energy consumption has been reduced, and the operating efficiency of the grinding system has been enhanced.
Smart Images

Figure CN223687638U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust collecting device technical field, concretely is a cement mill roller press high -efficient energy -conserving dust collecting device. BACKGROUND
[0002] Cement production enterprise is a big energy consumer, in the production of cement, fan installed capacity accounts for about 25%~30% of total installed capacity of the whole plant, at the same time, the air volume is too large, the power is too high, the phenomenon of "big horse pulling small cart" appears, waste is more, makes the comprehensive power consumption of clinker is high.
[0003] In view of the high energy consumption and low efficiency of cement mill circulating fan, how to further reduce energy consumption becomes the core factor of whether cement enterprises have competitive ability and can survive.
[0004] In the production process, due to the influence of various complex factors, there is a large performance deviation between the design working condition and the actual running working condition of the fan, the running area of the fan deviates from the high efficiency area, the running efficiency is low, and the running efficiency of many large fans of cement production enterprises is less than 70%, so that the energy consumption is high, therefore, fan energy saving, reducing the comprehensive power consumption of clinker, further reducing the cost of cement production, improving the competitiveness of enterprises, has important significance, therefore, perfecting and improving the above problems become the problem to be solved at present. SUMMARY
[0005] The utility model discloses a cement mill roller press high -efficient energy -conserving dust collecting device to solve the fan running area deviates from the high efficiency area, the running efficiency is low, and the running efficiency of many large fans of cement production enterprises is low, so that the energy consumption is high problem in the background art.
[0006] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a cement mill roller press high -efficient energy -conserving dust collecting device, including base body, the upper surface of base body is provided with motor base, the upper surface of motor base is provided with motor body, the outer surface of motor base is installed with shell body, the outer surface of shell body is provided with pipeline connecting piece,
[0007] The outlet reducing pipe is installed on the outer surface of the pipeline connecting piece, the back of the outlet reducing pipe is provided with an outlet pipe, the surface of the shell body is provided with an inlet trouser leg pipe body on one side, the top surface of the inlet trouser leg pipe body is provided with an inlet reducing pipe, and the upper surface of the inlet reducing pipe is provided with an inlet circular pipe.
[0008] Preferably, the lower end of the base body is provided with a first grouting layer, and the lower surface of the base body is provided with a second grouting layer.
[0009] Preferably, the surface of the other side of the shell body is provided with an access door.
[0010] Preferably, the output end of the motor body is provided with a mounting shaft, and the outer surface of the mounting shaft is provided with an impeller body.
[0011] Preferably, the surface of the one side of the base body is provided with a second grouting layer.
[0012] Preferably, the impeller body is a streamlined airfoil impeller, which reduces the airflow loss in the whole system.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The cement roller press high-efficiency energy-saving dust collecting device, through the setting of the base body, the motor base, the motor body, the shell body, the pipeline connecting piece, the outlet reducing pipe, the inlet trousers pipe body, the inlet reducing pipe, the inlet circular pipe, the first grouting layer and the access door, when in use, the high-efficiency energy-saving fan technology is researched, the original circulating fan is replaced by the high-efficiency energy-saving fan, the high-efficiency energy-saving fan mainly comprises a base body, a motor base, a motor body, a shell body, a mounting shaft and an impeller body, the high-efficiency dust collecting technology is researched in the project, the non-standard production and the high-efficiency circulating fan are adopted, the fan adopts the streamlined airfoil blade, the blade adopts the wear-resistant lining plate made of composite material, dustproof sealing is adopted between the fan impeller and the bearing, the service life is prolonged, the fan radial clearance is optimized, the fan efficiency is improved, the cyclone dust collector is designed, the cyclone dust collector mainly comprises an inlet trousers pipe body, an inlet reducing pipe and an inlet circular pipe, the inlet area of the cyclone dust collector is designed to be smaller than the section of the cylinder, the cyclone dust collector inlet flow tangent speed is improved, the dust collecting efficiency is improved, the superfine powder ground by the roller press is collected by the dust collector, the collected superfine powder is sent into the finished product air conveying chute through the air conveying chute, the air lifting machine is used to enter the cement storage, the superfine material is prevented from entering the ball mill system circulation, and the grinding system operation efficiency is improved.
[0015] The cement roller press high-efficiency energy-saving dust collecting device is used for researching and designing the roller press system air pipe, fluid dynamics, cyclone dust collector theory and pipeline resistance theory are organically combined, the cyclone dust collector exhaust pipe diameter is reasonably arranged, the system air pipe turning angle is reduced, the pipeline elbow is reduced, the elbow spacing is improved, the air pipe resistance is reduced, the cyclone dust collector inlet is arranged to be lower than the powder concentrator outlet, the powder concentrator outlet material accumulation is avoided, the guide plate is arranged at the material flow pipe at the outlet of the air lifting machine and the high-efficiency powder concentrator return to the V-shaped selection inlet, the material uniformity is ensured, the grid is arranged at the powder concentrator air inlet, the inlet airflow is evenly distributed, and the system energy consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the utility model.
[0017] Figure 2 is a side view schematic diagram of the utility model structure;
[0018] Figure 3 is a schematic diagram of the utility model motor body and outlet pipeline structure;
[0019] Figure 4 is a schematic diagram of the utility model base body and second grouting layer structure.
[0020] In the figure: 1, base body;2, motor base;3, motor body;4, shell body;5, pipeline connecting piece;6, outlet reducing pipe;7, inlet trousers pipe body;8, inlet reducing pipe;9, inlet circular pipe;10, first grouting layer;11, inlet door;13, mounting shaft;14, impeller body;15, outlet pipeline;16, second grouting layer. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Please refer to Figures 1-4 An embodiment provided by the utility model:
[0023] The cement roller press high-efficiency energy-saving dust collection device, the motor body 3, the outlet reducing pipe 6, the first grouting layer 10 and the impeller body 14 used in the application are all products that can be directly purchased on the market, the principles and connection modes thereof are all prior art known to those skilled in the art, and therefore will not be described here again, including the base body 1, the upper surface of the base body 1 is provided with the motor base 2, the upper surface of the motor base 2 is provided with the motor body 3, the outer surface of the motor base 2 is installed with the shell body 4, the outer surface of the shell body 4 is provided with the pipe connecting piece 5, the lower end of the base body 1 is provided with the first grouting layer 10, the lower surface of the base body 1 is installed with the second grouting layer 16, the other side of the surface of the shell body 4 is provided with the entry hole door 11, the output end of the motor body 3 is provided with the mounting shaft 13, the outer surface of the mounting shaft 13 is provided with the impeller body 14, one side of the surface of the base body 1 is provided with the second grouting layer 16, the impeller body 14 is a streamlined airfoil impeller, reduces the airflow loss in the whole system, carries out research and development design on the roller press system air pipe, organically combines fluid dynamics, cyclone dust collector theory and pipeline along resistance theory, reasonably sets the diameter of the cyclone dust collector exhaust pipe, reduces the turning angle of the system air pipe, reduces the pipe elbow, improves the elbow spacing, reduces the air pipe resistance, sets the cyclone dust collector inlet lower than the powder separator outlet, avoids the material accumulation at the powder separator outlet, increases the guide plate at the material distribution pipe at the outlet of the elevator and the return material of the high-efficiency powder separator to the V-shaped selection inlet, ensures the uniformity of the material, sets the grille at the air inlet of the powder separator, uniformly distributes the inlet airflow, reduces the system energy consumption, and the first grouting layer 10 and the second grouting layer 16 need to be knocked off after the installation of the fan is completed;
[0024] The outlet reducer pipe 6 is installed on the outer surface of the pipe connector 5, the back surface of the outlet reducer pipe 6 is provided with an outlet pipe 15, the surface side of the shell body 4 is provided with an inlet leg pipe body 7, the top surface of the inlet leg pipe body 7 is installed with an inlet reducer pipe 8, the upper surface of the inlet reducer pipe 8 is provided with an inlet circular pipe 9, in use, the fan energy-saving technology is researched, the original circulating fan is replaced by the high-efficiency energy-saving fan, the high-efficiency energy-saving fan mainly comprises a base body 1, a motor base 2, a motor body 3, a shell body 4, an installation shaft 13 and an impeller body 14, the high-efficiency dust collection technology is researched, the non-standard manufacturing and the high-efficiency circulating fan are adopted, the fan adopts the streamlined airfoil blade, the blade adopts the wear-resistant lining plate made of composite material, the dustproof seal is adopted between the fan impeller and the bearing, the service life is prolonged, the fan radial clearance is optimized, the fan efficiency is improved, the cyclone dust collector is designed, the cyclone dust collector mainly comprises the inlet leg pipe body 7, the inlet reducer pipe 8 and the inlet circular pipe 9, the inlet area of the cyclone dust collector is designed to be smaller than the cylinder surface section, the cyclone dust collector inlet flow tangential velocity is improved, the dust collection efficiency is improved, the superfine powder ground by the roller press is collected by the dust collector, the collected superfine powder is sent into the finished product air conveying chute through the air conveying chute, the superfine powder is stored in the cement storage through the elevator, the superfine material is prevented from entering the ball mill system circulation, and the grinding system operation efficiency is improved.
[0025] Working principle: when the staff uses the device, first, the device is connected with the power supply, thereby providing power support for the device, the motor body 3 is started, the installation shaft 13 and the impeller body 14 are driven to rotate by the motor body 3, then the superfine powder ground by the roller press is sequentially absorbed through the inlet circular pipe 9, the inlet reducer pipe 8 and the inlet leg pipe body 7 through the rotation of the impeller body 14, thereby achieving the dust collection effect, then the absorbed dust is uniformly transported to the air conveying chute through the design of the outlet reducer pipe 6 and the outlet pipe 15, and the superfine powder is stored in the cement storage through the elevator, and the above is all the working principles of the device.
[0026] The above is only a preferred embodiment of the device, and does not limit the device in any form; any ordinary technical personnel in the industry can implement the device according to the drawings and the above description; however, any equivalent changes, modifications and evolution of the above embodiments made by the technical personnel familiar with the professional technology within the scope of the technical scheme of the device are equivalent embodiments of the device; meanwhile, any equivalent changes, modifications and evolution of the above embodiments made according to the essential technology of the device are still within the protection scope of the technical scheme of the device.
Claims
1. A high-efficiency energy-saving dust collection device for a cement roller press, comprising a base body (1), the upper surface of the base body (1) is provided with a motor base (2), characterized in that: The upper surface of the motor base (2) is provided with a motor body (3), the outer surface of the motor base (2) is provided with a shell body (4), the outer surface of the shell body (4) is provided with a pipeline connecting piece (5); The outlet reducer pipe (6) is installed on the outer surface of the pipeline connecting piece (5), the back surface of the outlet reducer pipe (6) is provided with an outlet pipeline (15), one side of the surface of the shell body (4) is provided with an inlet trouser leg pipe body (7), the top surface of the inlet trouser leg pipe body (7) is provided with an inlet reducer pipe (8), the upper surface of the inlet reducer pipe (8) is provided with an inlet circular pipe (9).
2. A high-efficiency energy-saving dust collection device for a cement roller press according to claim 1, characterized in that: The lower end of the base body (1) is provided with a first grouting layer (10), the lower surface of the base body (1) is provided with a second grouting layer (16).
3. A high efficiency energy saving dust collector for a cement roller press according to claim 1, characterized in that: The other side of the surface of the shell body (4) is provided with an entrance door (11).
4. A high efficiency energy saving dust collector for a cement roller press according to claim 1, characterized in that: The output end of the motor body (3) is provided with a mounting shaft (13), the outer surface of the mounting shaft (13) is provided with an impeller body (14).
5. A high efficiency energy saving dust collector for a cement roller press according to claim 1, characterized in that: One side of the surface of the base body (1) is provided with a second grouting layer (16).
6. A high efficiency energy saving dust collector for a cement roller press according to claim 4, characterized in that: The impeller body (14) is a streamlined airfoil impeller, which reduces the airflow loss in the whole system.