Cement production system for improving cement strength and production method thereof

Abstract

The invention discloses a cement production system capable of improving cement strength. The top of a weighing bin communicates with an inclined feeding pipe, a material adjusting plate is arranged in the inclined feeding pipe in a sliding mode, the discharging uniformity of materials in the inclined feeding pipe can be reduced through the material adjusting plate, and the segregation phenomenon of the materials falling through the inclined feeding pipe is avoided; a stable discharging cone is arranged in the weighing bin through a connecting rod, the phenomenon that coarse particles and fine particles of materials are separated in the weighing bin is avoided through the stable discharging cone, and the falling uniformity of the materials is ensured. One end of the discharging chute extends into the cement mill and is rotationally provided with a material buffer plate, the impact force of materials can be buffered through the material buffer plate, the material falling point of the materials falling into the cement mill is shortened, and the work efficiency of the cement mill is improved; the gong sieve type discharging plate is arranged above the bin partition plate of the cement grinding mill, and the bin partition plate and the gong sieve type discharging plate are matched to improve the distribution uniformity and the dispersion degree of materials in the cement grinding mill. The cement production method for improving the cement strength has the above effects.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of cement production, and in particular to a cement production system for improving cement strength and a production method thereof. BACKGROUND

[0002] Cement is an important basic raw material for national economic construction, and its performance directly affects the strength, durability and construction performance of concrete. With the rapid development of China's infrastructure construction and the continuous advancement of the building industrialization process, the demand for high-performance cement is increasing. As one of the most important materials in construction engineering, the quality of cement directly affects the quality and safety of the engineering. High-strength cement can improve the construction efficiency of the engineering and has better load and pressure. The improvement of cement strength reduces the amount of cement clinker used in the cement grinding link, directly contributes to carbon emission reduction, and reduces the cost and improves the economic value after reducing the amount of cement clinker.

[0003] However, due to the complexity of the characteristics and component regulation of cement raw materials, the mineral composition, impurity content and grindability of cement raw materials (clinker and mixed materials) differ significantly, and it is difficult to achieve synergistic improvement of strength through a single process. Therefore, it is particularly important to study a production system for improving the strength of cement according to the differences in each link. SUMMARY

[0004] The purpose of the present application is to provide a cement production system for improving the strength of cement and a production method thereof, so as to solve the problem that due to the complexity of the characteristics and component regulation of cement raw materials, the mineral composition, impurity content and grindability of cement raw materials (clinker and mixed materials) differ significantly, and it is difficult to achieve synergistic improvement of strength through a single process.

[0005] To solve the above technical problems, the present application provides a cement production system for improving the strength of cement, comprising: a weighing bin and a roller press connected with the weighing bin through a feeding pipe, a powder classifier is connected with the discharge end of the roller press through a feeding pipe, and the discharge end of the powder classifier is connected with a cement mill through a feeding chute; The top of the weighing bin is communicated with an inclined feeding pipe, a material adjusting plate is slidably arranged in the inclined feeding pipe, a stable discharging cone is arranged in the weighing bin through a connecting rod, one end of the feeding chute extends into the cement mill and is rotatably installed with a material buffer plate, and a riddle type discharging plate is arranged above the partition plate of the cement mill.

[0006] As a preferred embodiment, a cement production system for improving cement strength, an inner side wall of the inclined feeding pipe is fixed with a pair of mounting plates, the mounting plates are provided with mounting grooves, sliding blocks are slidingly arranged in the mounting grooves, the lower side of the material adjusting plate is fixedly connected with the sliding blocks, one side of the inclined feeding pipe is screw-mounted with a threaded rod located in the inclined feeding pipe, and one end of the threaded rod is rotationally connected with the material adjusting plate.

[0007] It needs to be specified in the scheme that the outer end of the threaded rod is further fixed with an operating handle.

[0008] As a preferred embodiment, a cement production system for improving cement strength, the bell-shaped discharging plate comprises a plurality of connecting plates fixed to the inner wall of the cement mill, one end of each of the connecting plates is commonly fixed with a connecting ring, the inner side of the connecting ring is fixed with a plurality of material distributing rods, and the material distributing rods are fixed with a plurality of annular rings with radii decreasing in sequence.

[0009] It needs to be further specified in the scheme that a plurality of material distributing holes are further arranged on the material distributing rods.

[0010] To solve the above technical problems, the application further provides a cement production method for improving cement strength, based on the cement production system for improving cement strength in any one of the above aspects, comprising: The uniformity of the material discharged through the inclined feeding pipe is reduced by adjusting the material adjusting plate in the inclined feeding pipe; After the material falls into the weighing bin through the inclined feeding pipe, the stability of the material falling is improved by using the stable discharging cone; After the material falls into the roller press through the discharging pipe and is crushed, the material is screened through the powder selecting machine, the coarse material enters the cement mill through the discharging chute, and the material impact force is reduced by the material buffer plate to shorten the material falling point into the cement mill; After the material enters the cement mill, the accumulation degree of the material at the center of the partition plate is reduced by the bell-shaped discharging plate.

[0011] Compared with the prior art, the present invention provides a cement production system for improving cement strength, including a weighing silo and a roller press connected to the weighing silo via a feeding pipe. The discharge end of the roller press is connected to an air classifier via a conveying pipe, and the discharge end of the air classifier is connected to a cement mill via a feeding chute. An inclined feeding pipe is connected to the top of the weighing silo, and a material regulating plate is slidably installed inside the inclined feeding pipe. The material regulating plate can reduce the uniformity of material feeding within the inclined feeding pipe, preventing segregation of the material falling through the inclined feeding pipe. The weighing silo is connected to... A stabilizing discharge cone is installed via the connecting rod to prevent the separation of coarse and fine particles in the weighing bin, ensuring uniform material drop. One end of the discharge chute extends into the cement mill and is rotatably equipped with a material buffer plate. This buffer plate cushions the impact force of the material, shortens the drop point of the material into the cement mill, and improves the working efficiency of the cement mill. A screed-type discharge plate is installed above the partition plate of the cement mill. The combination of the partition plate and the screed-type discharge plate improves the uniformity and dispersion of material distribution within the cement mill. Furthermore, this application also provides a cement production method for improving cement strength, with the same effects as described above. Attached Figure Description

[0012] To more clearly illustrate the technical solution of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0013] Figure 1 This is a schematic diagram of a cement production system for improving cement strength, provided as an embodiment of this application. Figure 2 This is a schematic diagram of a material regulating plate installation structure provided in an embodiment of this application; Figure 3 This is a schematic diagram of the internal structure of a weighing chamber provided in an embodiment of this application; Figure 4 This is a schematic diagram of a material buffer plate installation structure provided in an embodiment of this application; Figure 5 This is a schematic diagram of a gong screen type unloading plate structure provided in an embodiment of this application; In the diagram: 1. Weighing bin; 2. Feed pipe; 3. Roller press; 30. Conveying pipe; 31. Air classifier; 4. Feed chute; 40. Mounting shaft; 5. Cement mill; 6. Inclined feed pipe; 7. Material adjusting plate; 8. Connecting rod; 9. Stabilizing feed cone; 10. Material buffer plate; 11. Screen discharge plate; 110. Connecting plate; 111. Material passage hole; 12. Mounting plate; 13. Mounting groove; 14. Sliding block; 15. Threaded rod; 16. Operating handle; 17. Connecting ring; 18. Distributing rod; 19. Circular ring; 20. Distributing hole. DETAILED DESCRIPTION

[0014] In order to make the person skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings.

[0015] The core of the present application is to provide a cement production system for improving cement strength and a production method thereof, which solves the problem that it is difficult to realize the synergistic improvement of strength through a single process due to the complexity of cement raw material characteristics and component regulation, the significant differences in mineral composition, impurity content and easy grindability of cement raw materials (clinker, mixed materials).

[0016] Figure 1 A cement production system for improving cement strength provided by the embodiments of the present application is shown in the structural schematic diagram, Figure 2 A material adjusting plate installation structure schematic diagram provided by the embodiments of the present application is shown in the structural schematic diagram, Figure 3 A weighing bin internal structure schematic diagram provided by the embodiments of the present application is shown in the structural schematic diagram, Figure 4 A material buffer plate installation structure schematic diagram provided by the embodiments of the present application is shown in the structural schematic diagram, Figure 5 A gong sieve type unloading plate structure schematic diagram provided by the embodiments of the present application is shown in the structural schematic diagram, Figures 1 to 5 as shown.

[0017] Embodiment 1 A cement production system for improving cement strength, comprising a weighing bin 1 and a roller press 3 connected with the weighing bin 1 through a discharging pipe 2, the material in the weighing bin 1 can fall into the roller press 3 through the discharging pipe 2 to be crushed for the first time, the discharging end of the roller press 3 is connected with a powder concentrator 31 through a conveying pipe 30, the discharging end of the powder concentrator 31 is connected with a cement mill 5 through a discharging chute 4, the crushed material can enter the powder concentrator 31 through the conveying pipe 30 to be screened, and the coarse material enters the cement mill 5 through the discharging chute 4 to be ground.

[0018] The top of the weighing bin 1 is communicated with an inclined feeding pipe 6, the material enters into the weighing bin 1 through the inclined feeding pipe 6, a material adjusting plate 7 is slidably arranged in the inclined feeding pipe 6, in use, by operating the horizontal movement of the material adjusting plate 7 in the inclined feeding pipe 6, the material in the inclined feeding pipe 6 can be discharged through the left side of the inclined feeding pipe 6 or through the right side of the inclined feeding pipe 6, thereby the phenomenon of material segregation that the left side of the inclined feeding pipe 6 is full of coarse material and the right side is full of fine material can be effectively avoided. The weighing bin 1 is provided with a stable discharging cone 9 through a connecting rod 8, the material entering into the weighing bin 1 can be stably discharged under the action of the stable discharging cone 9, further avoiding the phenomenon of material segregation; one end of the discharging chute 4 extends into the cement mill 5 and is rotatably installed with a material buffer plate 10 through a mounting shaft 40, after the material falls through the discharging chute 4, under the impact force of the material, the material buffer plate 10 will automatically turn up, the impact force of the material can be buffered, the material falling point is shortened, and meanwhile the air in the cement mill 5 can be prevented from flowing into the discharging chute 4, the top of the partition plate of the cement mill 5 is provided with a riddle type discharging plate 11, through the cooperation of the partition plate and the riddle type discharging plate 11, the uniformity and dispersion degree of the material distribution in the cement mill 5 can be improved.

[0019] Embodiment 2 On the basis of embodiment 1, a cement production system for improving the strength of cement, in order to realize the sliding movement installation of the material adjusting plate 7, preferably, a pair of installation plates 12 are fixed on the inner side wall of the inclined feeding pipe 6, the installation plates 12 are provided with installation grooves 13, the sliding blocks 14 are slidably arranged in the installation grooves 13, the lower side of the material adjusting plate 7 is fixedly connected with the sliding blocks 14, the threaded rod 15 located in the inclined feeding pipe 6 is screwed on one side of the inclined feeding pipe 6, one end of the threaded rod 15 is rotatably connected with the material adjusting plate 7, in use, according to the actual situation, the material adjusting plate 7 can be moved along the installation plates 12 by rotating the threaded rod 15, so that the material adjusting plate 7 moves on the left and right sides in the inclined feeding pipe 6.

[0020] On the basis of embodiment 2, a cement production system for improving the strength of cement, in order to facilitate the screwing operation of the threaded rod 15, preferably, the operation handle 16 is further fixed on the outer end of the threaded rod 15, in use, the threaded rod 15 can be screwed by means of the operation handle 16.

[0021] On the basis of the embodiment 1, a cement production system for improving the strength of cement, preferably, the drum screen discharge plate 11 comprises a plurality of connecting plates 110 fixed to the inner wall of the cement mill 5, one end of each connecting plate 110 is fixed with a connecting ring 17, the inner side of the connecting ring 17 is fixed with a plurality of distribution rods 18, and the distribution rods 18 are fixed with a plurality of annular rings 19 with gradually decreasing radii. After installation, the overfeed holes 111 are formed between each connecting plate 110 and the inner side wall of the cement mill 5, and the cooperation of each distribution rod 18, annular ring 19 and connecting plate 110 can disperse the material, avoid the accumulation of the material at the center of the partition plate, and thus improve the uniformity of the material entering the cement mill 5.

[0022] In the embodiment, a cement production system for improving the strength of cement is provided to further improve the dispersion degree of the material, and preferably, a plurality of distribution holes 20 are arranged on the distribution rod 18, and the ground material can move through each distribution hole 20.

[0023] The cement production system for improving the strength of cement provided in the embodiment comprises a weighing bin 1, a roller press 3 connected to the weighing bin 1 through a feeding pipe 2, a powder concentrator 31 connected to the discharge end of the roller press 3 through a feeding pipe 30, and a cement mill 5 connected to the discharge end of the powder concentrator 31 through a feeding chute 4. The top of the weighing bin 1 is communicated with an inclined feeding pipe 6, and a material adjusting plate 7 is slidably arranged in the inclined feeding pipe 6. The material adjusting plate 7 can reduce the uniformity of the material falling through the inclined feeding pipe 6 and avoid the segregation of the material. A stable discharge cone 9 is arranged in the weighing bin 1 through a connecting rod 8. The stable discharge cone 9 can avoid the segregation of coarse and fine particles in the weighing bin 1 and ensure the uniformity of the material falling. One end of the feeding chute 4 extends into the cement mill 5 and is rotatably installed with a material buffer plate 10. The material buffer plate 10 can buffer the impact force of the material, shorten the falling point of the material falling into the cement mill 5, and improve the working efficiency of the cement mill 5. A drum screen discharge plate 11 is arranged above the partition plate of the cement mill 5. The drum screen discharge plate 11 and the partition plate cooperate to improve the distribution uniformity and dispersion degree of the material in the cement mill 5.

[0024] The above describes in detail the embodiment of the cement production system for improving the strength of cement. Based on the above-described embodiment of the cement production system for improving the strength of cement, the embodiment of the application further provides a cement production method for improving the strength of cement corresponding to the system. Since the embodiment of the method part corresponds to the embodiment of the system part, the embodiment of the method part is described with reference to the embodiment of the system part, and will not be described here.

[0025] The cement production method for improving the strength of cement is based on any one of the cement production systems for improving the strength of cement, and comprises the following steps. The material adjusting plate 7 in the moving inclined feeding pipe 6 is adjusted to reduce the uniformity of the material falling through the inclined feeding pipe 6; After the material falls through the inclined feeding pipe 6 to the weighing bin 1, the stable falling cone 9 is used to improve the falling stability of the material; After the material falls through the falling pipe 2 to the roller press 3 and is crushed, the material is screened through the powder separator 31, the coarse material falls through the falling chute 4 into the cement mill 5, and the material impact force is reduced through the material buffer plate 10 to shorten the falling point of the material falling into the cement mill 5; After the material falls through the falling pipe 2 to the roller press 3 and is crushed, the material is screened through the powder separator 31, the coarse material falls through the falling chute 4 into the cement mill 5, and the material impact force is reduced through the material buffer plate 10 to shorten the falling point of the material falling into the cement mill 5;

[0026] The cement production method for improving the strength of cement provided by the embodiment of the application can reduce the falling uniformity of the material in the inclined feeding pipe 6 through the material adjusting plate 7, avoid the segregation phenomenon of the material falling through the inclined feeding pipe 6, avoid the segregation phenomenon of coarse particles and fine particles of the material in the weighing bin 1 through the stable falling cone 9, ensure the falling uniformity of the material, buffer the impact force of the material through the material buffer plate 10, shorten the falling point of the material falling into the cement mill 5, improve the working efficiency of the cement mill 5, and improve the distribution uniformity and dispersion degree of the material in the cement mill 5 through the cooperation of the partition plate and the bell and screen type discharge plate 11.

[0027] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope of the application being indicated by the following claims.

[0028] It should be understood that the application is not limited to the precise construction which has been described above and illustrated in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The embodiments of the application described above do not constitute limitations on the protection scope of the application.

Claims

1. A cement production system for improving cement strength, characterized in that, include: Weighing bin (1) and roller press (3) connected to the weighing bin (1) via feeding pipe (2). The discharge end of the roller press (3) is connected to a classifier (31) via a conveying pipe (30). The discharge end of the classifier (31) is connected to a cement mill (5) via a feeding chute (4). The top of the weighing bin (1) is connected to an inclined feed pipe (6), and a material adjustment plate (7) is slidably installed inside the inclined feed pipe (6). A stable discharge cone (9) is installed inside the weighing bin (1) through a connecting rod (8). One end of the discharge chute (4) extends into the cement mill (5) and is rotatably installed with a material buffer plate (10). A gong screen type discharge plate (11) is installed above the partition plate of the cement mill (5).

2. The cement production system for improving cement strength according to claim 1, characterized in that, The inner wall of the inclined feed pipe (6) is fixed with a pair of mounting plates (12). The mounting plate (12) is provided with a mounting groove (13). A slider (14) is slidably arranged in the mounting groove (13). The lower side of the material adjustment plate (7) is fixedly connected to the slider (14). A threaded rod (15) located in the inclined feed pipe (6) is screwed onto one side of the inclined feed pipe (6). One end of the threaded rod (15) is rotatably connected to the material adjustment plate (7).

3. The cement production system for improving cement strength according to claim 2, characterized in that, An operating handle (16) is also fixed to the outer end of the threaded rod (15).

4. The cement production system for improving cement strength according to claim 1, characterized in that, The screed-type unloading plate (11) includes multiple connecting plates (110) fixed to the inner wall of the cement mill (5). One end of each connecting plate (110) is fixed with a connecting ring (17). Multiple material distribution rods (18) are fixed on the inner side of the connecting ring (17). Multiple circular rings (19) with successively decreasing radii are fixed on the material distribution rods (18).

5. The cement production system for improving cement strength according to claim 4, characterized in that, The material distribution rod (18) is also provided with multiple material distribution holes (20).

6. A method for producing cement with improved strength, characterized in that, The cement production system for improving cement strength according to any one of claims 1 to 5 is characterized in that it comprises: The uniformity of material feeding through the inclined feed pipe (6) is reduced by adjusting the material adjustment plate (7) inside the movable inclined feed pipe (6); After the material falls into the weighing bin (1) through the inclined feed pipe (6), the stability of the material falling is improved by using the stable feed cone (9); After the material falls into the roller press (3) through the feed pipe (2) and is crushed, it is screened by the powder classifier (31). The coarse material enters the cement mill (5) through the feed chute (4) and the impact force of the material is reduced by the material buffer plate (10) to shorten the drop point of the material into the cement mill (5). After the material enters the cement mill (5), the material can reduce the degree of accumulation at the center of the partition plate by passing through the screed-type discharge plate (11).

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