Novel construction method separate grinding device for cement
By designing a cement grinding device including a roll press and a ball mill, the problems of insufficient functionality and poor environmental protection performance in the prior art are solved, and the goals of improving cement performance and energy conservation and emission reduction are achieved.
Patent Information
- Application Number
- CN202421156107.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-25
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-05-25
AI Technical Summary
The existing cement grinding devices are ineffective, have low efficiency, and have poor cement performance after use, so they cannot achieve the goal of energy conservation and emission reduction.
A new cement grinding device is designed, including a roller press, a ball mill, a metering scale and a rotor scale. Through the combination of a ball mill motor, a ball mill rotating shaft and a meshing gear, multifunctional grinding and mixing are achieved, saving costs.
The cement performance has been improved, clinker consumption has been reduced by 10%, and cement cost has been reduced by 20 yuan/ton, achieving the overall goal of energy conservation and emission reduction.
Smart Images

Figure 00000000_0000_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of concrete recycling and regeneration processing equipment, in particular to a new type of cement separation grinding device. Background Art
[0002] The prior art discloses a cement grinding device with the authorization announcement number CN208018719U. The patent relates to the field of concrete recycling and regeneration equipment and discloses a cement grinding device, including a cylindrical grinding bin and a fixed base. The grinding bin is connected to the base around its axial rotation. The outer walls at both ends of the grinding bin are provided with concave annular grooves. The grinding bin is sleeved with a sleeve fixedly connected to the base. Both ends of the sleeve have annular ribs located in the annular grooves. A water storage area is formed between the annular ribs at both ends of the sleeve. While the water in the water storage area of the sleeve has a good cooling effect, the sleeve does not need to contact the outer wall of the grinding bin, thereby preventing the sleeve from causing wear to the outer wall of the grinding bin.
[0003] However, this patent can only complete one grinding action when in use, and its functionality is insufficient. When in use, this patent can only complete the grinding of one type of cement, and its efficiency is low. Moreover, the performance of the cement ground using this method is also insufficient, and the overall goal of energy conservation and emission reduction cannot be achieved. Summary of the invention
[0004] The utility model aims to provide a cement separation grinding device using a new method, which solves the problems of insufficient functionality and poor environmental performance.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of cement grinding device, comprising a roller press, a ball mill, a metering scale and a rotor scale, the roller press is internally rotatably installed with two symmetrically arranged roller shafts, the outer circumference of the roller shaft is fixedly sleeved with meshing gears and pressure rollers, the two meshing gears are meshed, a ball mill motor is installed inside the ball mill, the output end of the ball mill motor is connected to a coaxially arranged ball mill shaft through a coupling, one side of the roller press and the ball mill are fixedly connected with a feed pipe, one end of the feed pipe is respectively fixedly connected with a hot material desulfurization gypsum tank body, a stone slag steel slag tank body and a slag fly ash coal ash tank body.
[0006] Preferably, one side of the ball mill box is fixedly connected with a pre-connected pipe, a powder classifier is installed on the pre-connected pipe, one end of the pre-connected pipe is fixedly connected with a dust collector, one side of the dust collector is fixedly connected with a conveying pipe, one end of the conveying pipe is fixedly connected with a hot material powder bin, an auxiliary material powder bin and a fine powder bin, one side of the hot material powder bin, the auxiliary material powder bin and the fine powder bin are commonly fixedly connected with a mixing pipe, one end of the mixing pipe is fixedly connected with a mixer, and one end of the mixer is fixedly connected with a discharge pipe.
[0007] Preferably, a rotation groove is opened inside the roller press, and the roller pressing shaft is rotatably installed inside the rotation groove, and the rotation groove is used for the rotation of the roller pressing shaft.
[0008] Preferably, a first rotating wheel is fixedly mounted on the outer circumference of one of the roller-pressing shafts, and a second rotating wheel is fixedly mounted on the outer circumference of the ball mill shaft. A connecting belt is installed on the outer circumferences of the first and second rotating wheels, and the first rotating wheel is used to drive the connecting belt to rotate.
[0009] Preferably, a hole groove is opened inside the ball mill, and the ball mill shaft is rotatably installed inside the hole groove, and the hole groove is used for the rotation of the ball mill shaft.
[0010] Preferably, a square groove is opened inside the roller press, and the two pressing rollers are rotatably installed inside the square groove, and the square groove is used for the two pressing rollers to rotate in opposite directions.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] 1. The utility model arranges the ball mill motor, the ball mill shaft and other structures. When ball milling is needed, the ball mill motor is turned on to drive the ball mill shaft to rotate, drive the connecting belt to rotate, drive one of the roller pressing shafts to rotate, drive one of the meshing gears to rotate, drive another meshing gear to rotate, drive another roller pressing shaft to rotate, drive two pressing rollers to rotate in opposite directions, and perform roller pressing. One ball mill motor is used to complete the operation, thereby saving costs.
[0013] 2. The utility model sets up structures such as a powder selector and a hot material powder storage. After the ball mill is finished grinding, the powder enters the pre-connected pipeline, and then enters the powder selector from the pre-connected pipeline. The powder selector sends the coarse powder back to the ball mill for ball grinding. Then, the powder that meets the requirements is sent to the hot material powder storage, the auxiliary material powder storage and the fine powder storage through the conveying pipeline. Then, the divided materials are sent from the mixing pipeline to the mixer for mixing according to different formulas. After mixing, they are sent to the discharge pipeline for separate grinding to achieve the overall goal of energy saving and emission reduction. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the overall structure of the transmission structure of the utility model;
[0016] Figure 3 It is an enlarged view of point A of the present utility model.
[0017] In the figure: 1. hot material desulfurization gypsum tank; 2. stone slag steel slag tank; 3. slag fly ash coal ash tank; 4. weighing scale; 5. roller press; 51. roller shaft; 52. meshing gear; 53. pressure roller; 6. ball mill; 61. ball mill motor; 62. ball mill shaft; 63. connecting belt; 7. powder classifier; 8. dust collector; 9. hot material powder warehouse; 10. auxiliary material powder warehouse; 11. fine powder warehouse; 12. rotor scale; 13. mixer; 14. discharge pipe; 15. feed pipe; 16. conveying pipe; 17. mixing pipe; 18. pre-connected pipe. DETAILED DESCRIPTION
[0018] 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 in 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.
[0019] See also Figure 1-3 A cement grinding device using a new type of process comprises a roller press 5, a ball mill 6, a weighing scale 4 and a rotor scale 12. Two symmetrically arranged roller shafts 51 are rotatably installed inside the roller press 5. A meshing gear 52 and a pressure roller 53 are fixedly sleeved on the outer circumference of the roller shaft 51. The two meshing gears 52 are meshed with each other. A ball mill motor 61 is installed inside the ball mill 6. The output end of the ball mill motor 61 is connected to a coaxially arranged ball mill shaft 62 through a coupling. One side of the roller press 5 and the ball mill 6 are fixedly connected to a feed pipe 15. One end of the feed pipe 15 is fixedly connected to It is connected to a hot material desulfurization gypsum tank body 1, a stone slag steel slag tank body 2 and a slag fly ash coal ash tank body 3. Through the arrangement of structures such as a ball mill motor 61 and a ball mill shaft 62, when ball milling is needed, the ball mill motor 61 is turned on to drive the ball mill shaft 62 to rotate, drive the connecting belt 63 to rotate, drive one of the roller pressing shafts 51 to rotate, drive one of the meshing gears 52 to rotate, drive the other meshing gear 52 to rotate, drive the other roller pressing shaft 51 to rotate, drive the two pressing rollers 53 to rotate in opposite directions, and perform rolling. One ball mill motor 61 is used to complete the operation, saving costs.
[0020] See also Figure 1-3A pre-connected pipe 18 is fixedly connected to one side of the ball mill housing, a powder selector 7 is installed on the pre-connected pipe 18, a dust collector 8 is fixedly connected to one end of the pre-connected pipe 18, a conveying pipe 16 is fixedly connected to one side of the dust collector 8, a hot material powder storehouse 9, an auxiliary material powder storehouse 10 and a fine powder storehouse 11 are fixedly connected to one end of the conveying pipe 16, a mixing pipe 17 is fixedly connected to one side of the hot material powder storehouse 9, the auxiliary material powder storehouse 10 and the fine powder storehouse 11, a mixer 13 is fixedly connected to one end of the mixing pipe 17, a discharging pipe 1 is fixedly connected to one end of the mixer 13 4. Through the arrangement of the powder selector 7, the hot material powder storehouse 9 and other structures, after the ball mill 6 completes the ball milling, it enters the pre-connected pipeline 18, and then enters the powder selector 7 from the pre-connected pipeline 18. The powder selector 7 sends the coarse powder back to the ball mill 6 for ball milling, and then the powder that meets the requirements is sent to the hot material powder storehouse 9, the auxiliary material powder storehouse 10 and the fine powder storehouse 11 through the conveying pipeline 16. Then, the divided materials are sent to the mixer 13 from the mixing pipeline 17 according to different formula ratios for mixing. After the mixing is completed, they are sent to the discharge pipeline 14 for separate grinding to achieve the overall goal of energy saving and emission reduction.
[0021] See also Figure 1-2 A rotating groove is provided inside the roller press 5, and a roller shaft 51 is rotatably installed inside the rotating groove. A first rotating wheel is fixedly sleeved on the outer circumference of one of the roller shafts 51, and a second rotating wheel is fixedly sleeved on the outer circumference of the ball mill shaft 62. A connecting belt 63 is commonly installed on the outer circumferences of the first rotating wheel and the second rotating wheel. A hole groove is provided inside the ball mill 6, and the ball mill shaft 62 is rotatably installed inside the hole groove. A square groove is provided inside the roller press 5, and two pressing rollers 53 are rotatably installed inside the square groove.
[0022] The specific implementation process of the utility model is as follows: when ball milling is needed, the ball mill motor 61 is turned on, the ball mill motor 61 rotates to drive the ball mill shaft 62 to rotate, the ball mill shaft 62 rotates to drive the connecting belt 63 to rotate, the connecting belt 63 rotates to drive one of the roller pressing shafts 51 to rotate, the roller pressing shaft 51 rotates to drive one of the meshing gears 52 to rotate, the one meshing gear 52 rotates to drive the other meshing gear 52 to rotate, the other meshing gear 52 rotates to drive the other roller pressing shaft 51 to rotate, the two roller pressing shafts 51 rotate to drive the two pressing rollers 53 to rotate in opposite directions, and the pressing rollers 53 are pressed. Only one ball mill motor 61 is used to complete the operation throughout the whole process, which saves costs;
[0023] Furthermore, different materials enter the roller press 5 and the ball mill 6 from the hot material desulfurization gypsum tank body 1, the stone slag steel slag tank body 2 and the slag fly ash coal ash tank body 3, and are weighed by the weighing scale 4 before entering the roller press 5 and the ball mill 6. After the ball mill 6 is finished, the powder enters the pre-connected pipeline 18 from the ball mill 6, and then enters the powder selector 7 from the pre-connected pipeline 18, and the powder selector 7 sends the coarse powder back to the ball mill 6 for ball milling;
[0024] The materials in the clinker, desulfurized gypsum material tank, the stone, slag, converter slag material tank, and the fly ash, slag powder material tank enter the roller press 5 and the ball mill 6, and are weighed by the weighing scale 4 before entering the roller press 5 and the ball mill 6. After the ball milling is completed in the ball mill 6, the powder enters the pre-connected pipeline 18 from the ball mill 6, enters the powder classifier 7 for powder selection, and the coarse powder is sent back to the ball mill 6 for ball milling;
[0025] The clinker and desulfurized gypsum are ball-milled to select the fine materials and enter the ball mill 6 for final grinding. The finished products that meet the requirements are sent to the hot material powder warehouse 9 through the conveying pipeline 16 by the powder selector 7; the desulfurized gypsum, gravel, slag and converter slag are ball-milled, and the finished products that meet the requirements are sent to the auxiliary material powder warehouse 10 through the conveying pipeline 16 by the powder selector 7; the desulfurized gypsum, fly ash and slag powder are ball-milled, and the finished products that meet the requirements are sent to the fine powder warehouse 11 through the conveying pipeline 16 by the powder selector 7. Then, the divided materials are sent from the mixing pipe 17 to the mixer 13 for mixing according to different formula ratios. The rotor scale 12 is used for metering before being sent to the mixing pipe. After mixing, they are sent to the cement storage, which includes a P.C42.5 cement storage, a P.C42.5 slow-setting cement storage and two P.042.5 cement storages. Carrying out separate grinding can achieve the overall goal of improving cement performance, reducing cement clinker consumption by 10%, reducing cement costs by 20 yuan / ton, and achieving energy conservation and emission reduction.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cement grinding device using a new method, comprising a roller press (5), a ball mill (6), a weighing scale (4) and a rotor scale (12), characterized in that: The roller press (5) is internally rotatably installed with two symmetrically arranged roller shafts (51), and the outer circumferential surface of the roller shaft (51) is fixedly sleeved with a meshing gear (52) and a pressure roller (53), and the two meshing gears (52) are meshed with each other. The ball mill (6) is internally installed with a ball mill motor (61), and the output end of the ball mill motor (61) is connected to a coaxially arranged ball mill shaft (62) through a coupling. One side of the roller press (5) and the ball mill (6) are fixedly connected with a feed pipe (15), and one end of the feed pipe (15) is respectively fixedly connected with a hot material desulfurization gypsum tank body (1), a stone slag steel slag tank body (2) and a slag fly ash coal ash tank body (3).
2. A cement grinding device according to claim 1, characterized in that: A pre-connected pipeline (18) is fixedly connected to one side of the ball mill (6), a powder selector (7) is installed on the pre-connected pipeline (18), a dust collector (8) is fixedly connected to one end of the pre-connected pipeline (18), a conveying pipeline (16) is fixedly connected to one side of the dust collector (8), a hot material powder storehouse (9), an auxiliary material powder storehouse (10) and a fine powder storehouse (11) are fixedly connected to one end of the conveying pipeline (16), a hot material powder storehouse (9), an auxiliary material powder storehouse (10) and a fine powder storehouse (11) are fixedly connected to one side of the hot material powder storehouse (9), the auxiliary material powder storehouse (10) and the fine powder storehouse (11) together with a mixing pipeline (17), one end of the mixing pipeline (17) is fixedly connected to a mixer (13), and one end of the mixer (13) is fixedly connected to a discharge pipeline (14).
3. The new cement grinding device according to claim 1 is characterized in that: The roller press (5) has a rotation groove formed inside, and the roller pressing shaft (51) is rotatably mounted inside the rotation groove.
4. The new cement grinding device according to claim 1 is characterized in that: A first rotating wheel is fixedly sleeved on the outer circumference of one of the roller pressing shafts (51), and a second rotating wheel is fixedly sleeved on the outer circumference of the ball mill shaft (62). A connecting belt (63) is installed on the outer circumferences of the first rotating wheel and the second rotating wheel.
5. The new cement grinding device according to claim 1 is characterized in that: The ball mill (6) has a hole groove formed inside, and the ball mill shaft (62) is rotatably mounted inside the hole groove.
6. The new cement grinding device according to claim 1 is characterized in that: A square groove is provided inside the roller press (5), and the two pressing rollers (53) are rotatably mounted inside the square groove.
Citation Information
Patent Citations
Cement grinding device
CN208018719U