Pulverized coal ash brick production mixing device

By introducing efficient agitation and scraping structures into the coal dust brick production device, the problem of incomplete mixing of raw materials is solved, and efficient mixing effect is achieved, meeting the needs of gray brick production.

CN223069374UActive Publication Date: 2025-07-08XILINGOL MENG JIAPENG NEW BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202422258052.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-07-08
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The existing coal powder mixing device cannot ensure complete mixing between raw materials, resulting in additional agitation and mixing required during the production of gray bricks, which cannot meet production needs.

Method used

A coal dust brick production mixing device including an efficient agitating structure and a scraping structure is designed. Through the staggered arrangement of two sets of stirring rods and the back and forth movement of the scraping rods, the mixing efficiency is improved and raw material accumulation is avoided.

Benefits of technology

The thorough mixing of raw materials is achieved, the mixing efficiency is improved, the accumulation of raw materials is avoided, and the mixing requirements for gray brick production are met.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of pulverized coal mixing, and discloses a pulverized coal ash brick production mixing device which comprises a mixing box, a fixing frame is fixedly arranged on one side of the mixing box, a stirring motor is arranged at the upper end of the fixing frame, and an efficient stirring structure is installed at the output end of the stirring motor. The efficient stirring structure comprises a first rotating shaft fixedly mounted at the output end of the stirring motor, first stirring rods are fixedly arranged on the outer wall of the first rotating shaft, a second rotating shaft is rotatably mounted on the inner wall of one side of the mixing box, a plurality of second stirring rods are fixedly arranged on the outer wall of the second rotating shaft, and a driving gear is fixedly arranged on one side of the outer wall of the first rotating shaft; a driven gear is fixedly arranged on the outer wall of the second rotating shaft located at the front end of the driving gear, and the multiple first stirring rods and the multiple second stirring rods are installed in a staggered mode. The pulverized coal ash brick production mixing device disclosed by the utility model can accelerate the mixing of ash brick raw materials.
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Description

Technical Field

[0001] The utility model relates to the technical field of pulverized coal mixing, in particular to a mixing device for producing pulverized coal ash bricks. Background Art

[0002] Pulverized coal from different production areas has different sulfur contents. Directly using pulverized coal with a high sulfur content will result in too high a concentration of sulfur dioxide gas generated during combustion, causing greater damage to equipment. When in use, two kinds of pulverized coal with different high and low sulfur contents need to be mixed evenly before being put into use.

[0003] The existing patent with the publication number CN216458478U proposes a pulverized coal mixing device. When the device takes the pulverized coal guide pipes 1 symmetrically arranged on both sides above, since the two sides of the connection between the pulverized coal guide pipes 1 and the middle pulverized coal mixing bin 4 are staggered with mixing diversion partitions 2, the pulverized coal can be divided into three streams and flow into the pulverized coal mixing bin 4, and there is an included angle between the two, so that the pulverized coal can be fully contacted when mixing at the intersection point after passing through the symmetrically and obliquely arranged pulverized coal guide pipes 1 on both sides.

[0004] However, its device can only achieve the first mixing through cross-feeding mixing. During the production of ash bricks, the raw materials used need to be stirred and mixed, and its device cannot ensure the thorough mixing between the raw materials and is not applicable to the production of ash bricks. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a mixing device for producing pulverized coal ash bricks, so as to solve the technical problem that the existing device can only achieve the first mixing through cross-feeding mixing, and during the production of ash bricks, it needs to be stirred and mixed, and its device cannot ensure the thorough mixing between the raw materials and is not applicable to the production of ash bricks.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A mixing device for producing pulverized coal ash bricks, including a mixing box, a fixed frame is fixedly arranged on one side of the mixing box, a stirring motor is arranged at the upper end of the fixed frame, and an efficient stirring structure is installed at the output end of the stirring motor. The efficient stirring structure includes a first rotating shaft fixedly installed at the output end of the stirring motor, a first stirring rod is fixedly arranged on the outer wall of the first rotating shaft, a second rotating shaft is rotatably installed on one side inner wall of the mixing box, a plurality of second stirring rods are fixedly arranged on the outer wall of the second rotating shaft, a driving gear is fixedly arranged on the outer wall of the first rotating shaft on one side, a driven gear is fixedly arranged on the outer wall of the second rotating shaft in front of the driving gear, and a plurality of first stirring rods and a plurality of second stirring rods are installed staggeredly.

[0007] Preferably, a scraping structure is provided at the upper end of the rear end of the mixing box. The scraping structure includes a chassis fixedly installed at the upper end of the rear end of the mixing box. A scraping motor is fixedly arranged on one side of the chassis. A lead screw is installed at the output end of the scraping motor. A slider is arranged on the outer wall of the lead screw in a threaded manner. A connecting rod is fixedly arranged at the front end of the slider. A first scraping rod is fixedly arranged on one side of the connecting rod. A second scraping rod is fixedly arranged at the front end of the first scraping rod.

[0008] Preferably, two first screws are fixedly arranged on one side of the connecting rod. One end of each first screw passes through the outer wall of the first scraping rod and is provided with a first nut in a threaded manner.

[0009] Preferably, a second screw is fixedly arranged at the rear end of one side of the second scraping rod. One end of the second screw passes through the outer wall of the first scraping rod and is installed with a second nut in a threaded manner.

[0010] Preferably, a U-shaped member is fixedly arranged on one side of the mixing box. A docking groove is formed on one side of the U-shaped member, and a shielding cover is arranged inside the docking groove.

[0011] Preferably, a rectangular baffle is fixedly arranged on the upper side of the front end of the chassis.

[0012] Preferably, a discharge pipe is fixedly arranged on one side of the mixing box.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1) By providing an efficient stirring structure, when mixing the raw materials of the ash bricks, the two groups of first stirring rods and second stirring rods that stir towards the center can improve the stirring range and efficiency. Moreover, the staggered arrangement of the first stirring rod and the second stirring rod can make the stirring effect of the second stirring rod better.

[0015] 2) By providing a scraping structure, when the first stirring rod and the second stirring rod are stirring in a staggered manner, the raw materials on the inner wall of the mixing box can be scraped and stirred by the reciprocating first scraping rod and second scraping rod, avoiding the accumulation of raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic three-dimensional structure diagram of a mixing device for producing pulverized coal ash bricks in an embodiment of the present utility model;

[0017] Figure 2 is a schematic cross-sectional structure diagram of the mixing box in an embodiment of the present utility model;

[0018] Figure 3 is a schematic cross-sectional structure diagram of the chassis in an embodiment of the present utility model;

[0019] Figure 4 is a schematic diagram of a partial disassembled structure in an embodiment of the present utility model.

[0020] In the figure: 1, mixing box; 2, fixing frame; 3, stirring motor; 4, high-efficiency stirring structure; 5, first rotating shaft; 6, first stirring rod; 7, second rotating shaft; 71, second stirring rod; 8, driving gear; 9, driven gear; 10, scraping structure; 11, machine case; 12, scraping motor; 13, slider; 14, connecting rod; 15, first scraping rod; 16, second scraping rod; 17, first screw rod; 18, first nut; 19, second screw rod; 20, second nut; 21, U-shaped part; 22, shielding cover. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0022] Embodiment 1

[0023] Combined with Figures 1 - 4 , a mixing device for producing pulverized coal ash bricks includes a mixing box 1. A fixing frame 2 is fixedly arranged on one side of the mixing box 1. A stirring motor 3 is arranged at the upper end of the fixing frame 2. The output end of the stirring motor 3 is installed with a high-efficiency stirring structure 4. The high-efficiency stirring structure 4 includes a first rotating shaft 5 fixedly installed at the output end of the stirring motor 3. The outer wall of the first rotating shaft 5 is fixedly provided with a first stirring rod 6. A second rotating shaft 7 is rotatably installed on one side inner wall of the mixing box 1. The outer wall of the second rotating shaft 7 is fixedly provided with a plurality of second stirring rods 71. A driving gear 8 is fixedly arranged on the outer wall of the first rotating shaft 5 on one side. A driven gear 9 is fixedly arranged on the outer wall of the second rotating shaft 7 in front of the driving gear 8. The plurality of first stirring rods 6 and the plurality of second stirring rods 71 are installed staggeredly.

[0024] Refer to Figure 3 and Figure 4 , further, two first screw rods 17 are fixedly arranged on one side of the connecting rod 14. One end of the first screw rod 17 passes through the outer wall of the first scraping rod 15 and is threadedly provided with a first nut 18. A second screw rod 19 is fixedly arranged at the rear end of one side of the second scraping rod 16. One end of the second screw rod 19 passes through the outer wall of the first scraping rod 15 and is threadedly installed with a second nut 20. A U-shaped part 21 is fixedly arranged on one side of the mixing box 1. A docking groove is opened on one side of the U-shaped part 21, and a shielding cover 22 is arranged inside the docking groove. A rectangular baffle is fixedly arranged on the upper side of the front end of the machine case 11. A discharge pipe is fixedly arranged on one side of the mixing box 1.

[0025] Specifically, the first screw rod 17 is used to cooperate with the first nut 18 to fixedly install the first scraping rod 15 and the connecting rod 14. The second screw rod 19 cooperates with the second nut 20 to install the second scraping rod 16 and the first scraping rod 15. The U-shaped member 21 is used to open the docking groove, which facilitates the installation of the shielding cover 22. The shielding cover 22 shields the upper ends of the driving gear 8 and the driven gear 9 to prevent raw materials from falling near the driving gear 8 and the driven gear 9 when pouring the raw materials.

[0026] Embodiment 2

[0027] Refer to Figure 3 , and on the basis of Embodiment 1, it is further obtained that a scraping structure 10 is arranged at the upper end of the rear end of the mixing box 1. The scraping structure 10 includes a chassis 11 fixedly installed at the upper end of the rear end of the mixing box 1. A scraping motor 12 is fixedly arranged on one side of the chassis 11. A lead screw is installed at the output end of the scraping motor 12. A slider 13 is threadedly arranged on the outer wall of the lead screw. A connecting rod 14 is fixedly arranged at the front end of the slider 13. A first scraping rod 15 is fixedly arranged on one side of the connecting rod 14. A second scraping rod 16 is fixedly arranged at the front end of the first scraping rod 15.

[0028] Specifically, the chassis 11 is used to arrange the scraping motor 12. The scraping motor 12 is used to install the lead screw. The lead screw is used to drive the slider 13 to move. The slider 13 is used to drive the connecting rod 14 to move. The connecting rod 14 is used to fixedly install with the first scraping rod 15. When the first scraping rod 15 and the second scraping rod 16 move, they can scrape the materials on the inner wall of the mixing box 1.

[0029] During the actual operation process, when the materials used for gray bricks need to be mixed, the materials are added into the mixing box 1. The stirring motor 3 is started, so that the first rotating shaft 5 rotates, so that the driving gear 8 drives the driven gear 9 to rotate, so that the first stirring rod 6 stirs the second stirring rod 71 towards the center. Since the first stirring rod 6 and the second stirring rod 71 are arranged staggeredly, the stirring efficiency of the first stirring rod 6 and the second stirring rod 71 on the materials can be increased;

[0030] During the stirring process, the scraping motor 12 is started, so that the lead screw drives the slider 13 to move, so that the slider 13 drives the connecting rod 14 to move. The connecting rod 14 drives the first scraping rod 15 and the second scraping rod 16 to move back and forth to scrape the inner wall of the mixing box 1 to prevent raw materials from adhering.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mixing device for producing pulverized coal ash bricks, comprising a mixing box (1), a fixed frame (2) is fixedly arranged on one side of the mixing box (1), and a stirring motor (3) is arranged at the upper end of the fixed frame (2), characterized in that: The output end of the stirring motor (3) is equipped with an efficient stirring structure (4). The efficient stirring structure (4) includes a first rotating shaft (5) fixedly installed at the output end of the stirring motor (3). The outer wall of the first rotating shaft (5) is fixedly provided with a first stirring rod (6). A second rotating shaft (7) is rotatably installed on one inner wall of the mixing box (1). The outer wall of the second rotating shaft (7) is fixedly provided with a plurality of second stirring rods (71). A driving gear (8) is fixedly provided on the outer wall of the first rotating shaft (5) on one side. A driven gear (9) is fixedly provided on the outer wall of the second rotating shaft (7) at the front end of the driving gear (8). The plurality of first stirring rods (6) and the plurality of second stirring rods (71) are staggeredly installed.

2. The mixing device for producing pulverized coal ash bricks according to claim 1, characterized in that: A scraping structure (10) is provided at the upper end of the rear end of the mixing box (1). The scraping structure (10) includes a machine box (11) fixedly installed at the upper end of the rear end of the mixing box (1). A scraping motor (12) is fixedly provided on one side of the machine box (11). A lead screw is installed at the output end of the scraping motor (12). A slider (13) is threadedly arranged on the outer wall of the lead screw. A connecting rod (14) is fixedly provided at the front end of the slider (13). A first scraping rod (15) is fixedly provided on one side of the connecting rod (14). A second scraping rod (16) is fixedly provided at the front end of the first scraping rod (15).

3. The mixing device for producing pulverized coal ash bricks according to claim 2, characterized in that: Two first screw rods (17) are fixedly provided on one side of the connecting rod (14). One end of the first screw rod (17) passes through the outer wall of the first scraping rod (15) and is threadedly provided with a first nut (18).

4. A pulverized coal ash brick production mixing device according to claim 2, characterized in that: A second screw rod (19) is fixedly provided at the rear end of one side of the second scraping rod (16). One end of the second screw rod (19) passes through the outer wall of the first scraping rod (15) and is threadedly installed with a second nut (20).

5. The mixing device for producing pulverized coal ash bricks according to claim 4, wherein: A U-shaped member (21) is fixedly provided on one side of the mixing box (1). A docking groove is provided on one side of the U-shaped member (21), and a shielding cover (22) is arranged inside the docking groove.

6. A pulverized coal ash brick production mixing device according to claim 2, characterized in that: A rectangular baffle is fixedly provided on the upper side of the front end of the machine box (11).

7. A pulverized coal ash brick production mixing device according to claim 1, characterized in that: A discharge pipe is fixedly provided on one side of the mixing box (1).