Novel material scattering box

By introducing a crushing wheel and a rotating shaft into the spreading box, the problem of small sprinkling range and cement agglomeration in the spreading box is solved, uniform sprinkling and efficient preheating of cement is achieved, and the heat exchange and decomposition efficiency of cement is improved. .

CN222279335UActive Publication Date: 2024-12-31GUIZHOU LINSHAN CEMENT CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420684541.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2024-12-31
Estimated Expiration
2034-04-07

AI Technical Summary

Technical Problem

The existing sprinkler box has a small sprinkler range during the cement preheating process, which affects the heat exchange efficiency and decomposition efficiency. The cement is prone to agglomeration and cannot effectively sprinkle the material.

Method used

A new type of material spreading box is designed, including air duct, material spreading box body, crushing box and driving equipment. The cement is crushed by crushing wheels, rotating shaft and material spreading board to achieve uniform material spreading, expanding the range of material spreading.

Benefits of technology

Effectively crush the cement, prevent agglomeration, improve the heat exchange and decomposition efficiency of the cement, and ensure that the cement can be evenly sprinkled into the air duct for preheating.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222279335U_ABST
    Figure CN222279335U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of material scattering boxes, in particular to a novel material scattering box which comprises an air pipe, a material scattering box body and a crushing box, the material scattering box body is installed at the side end of the air pipe and communicated with the air pipe, a first material scattering plate is installed in the material scattering box body, and a second material scattering plate is installed in the crushing box. A rotating shaft is rotationally installed in the scattering box body and located above the first scattering plate, second scattering plates distributed in an array mode are installed on the rotating shaft, the crushing box is installed at the upper end of the scattering box body, a discharging pipe is arranged at the lower end of the crushing box, and the tail end of the discharging pipe communicates with the scattering box body; and crushing wheels which are symmetrically distributed are rotationally installed in the crushing box, an equipment box is installed at the rear end of the crushing box, rotating shafts of the crushing wheels extend into the equipment box and are provided with gears, and the gears are connected in a meshed mode. The cement scattering device has the advantages that cement can be crushed, the cement scattering effect is good, and the heat exchange efficiency and the decomposition efficiency of the cement can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of material spreading boxes, in particular to a novel material spreading box. Background Art

[0002] In the cement production process, cement raw meal will be added into the air duct of the preheater, and the waste heat will be used to preheat the cement raw meal. The preheating and partial decomposition of the raw meal are completed by the preheater. The spreading box is one of the important equipment on the preheater, which plays the role of material dispersion and heat exchange, thereby playing an important role in improving the decomposition and heat exchange of the material by the entire preheater system.

[0003] At present, the material spreading box mainly uses the spreading plate to spread the material in use. The spreading range is small, which is not conducive to the large-area contact between the material and the hot flue gas, thereby affecting the heat exchange efficiency and decomposition efficiency. In addition, there is agglomeration in the cement. The agglomerated cement cannot be effectively spread, which is not conducive to the preheating of the cement. Utility Model Content

[0004] The purpose of the utility model is to provide a new type of spreading box, which has the advantages of being able to crush cement, having a good cement spreading effect, and being able to improve its heat exchange efficiency and decomposition efficiency, thereby solving the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of material spreading box, comprising an air duct, a material spreading box body and a crushing box, the material spreading box body is installed at the side end of the air duct, and the material spreading box body is connected to the air duct, a first material spreading plate is installed in the material spreading box body, a rotating shaft is rotatably installed in the material spreading box body, the rotating shaft is located above the first material spreading plate, and a second material spreading plate distributed in an array is installed on the rotating shaft, the crushing box is installed at the upper end of the material spreading box body, a feeding pipe is provided at the lower end of the crushing box, and the end of the feeding pipe is connected to the material spreading box body, symmetrically distributed crushing wheels are rotatably installed in the crushing box, and an equipment box is installed at the rear end of the crushing box, the rotating shaft of the crushing wheel extends to the equipment box where gears are installed, and the gears are meshed and connected with each other.

[0006] Preferably, the first spreading plate is arranged at an angle, and the first spreading plate extends into the air duct.

[0007] Preferably, a first drive box is installed at the front end of the material spreading box body, a drive device is arranged in the first drive box, and the main shaft of the drive device is connected to the axis of the rotating shaft. The drive device in the first drive box can rotate the rotating shaft when it is working.

[0008] Preferably, a mounting plate is provided on the outer surface of the material spreading box body, and corresponding mounting holes are provided on the mounting plate and the air duct, and bolts are installed in the mounting holes. The mounting plate is provided for installing the material spreading box body.

[0009] Preferably, a feed pipe is installed at the upper end of the crushing box, and a feed hopper is installed at the upper end of the feed pipe.

[0010] Preferably, a second drive box is installed in the equipment box, a drive device is arranged in the second drive box, and the main shaft of the drive device is connected to the axis of the gear located on the right side. The drive device in the second drive box can rotate the gear when it is working.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: cement is added into the crushing box from the feed hopper, and the cement can be crushed by the crushing wheel, so that the cement can be prevented from caking. After the cement enters the air duct, the cement can be preheated conveniently. The crushed cement can enter the first spreading plate in the spreading box, and the rotating shaft can be rotated by the driving device in the first driving box. With the cooperation of the second spreading plate, the cement can be spread into the air duct, so that the cement can be spread evenly and over a large range, and its heat exchange efficiency and decomposition efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model in a front view;

[0013] Figure 2 This is a front view structural schematic diagram of the utility model;

[0014] Figure 3 It is a partial top view of the structure of the utility model.

[0015] The reference numerals and names in the figures are as follows:

[0016] 1. Air duct; 2. Material spreading box body; 3. First material spreading plate; 4. Second material spreading plate; 5. Rotating shaft; 6. Feeding pipe; 7. Crushing wheel; 8. Crushing box; 9. Feeding pipe; 10. Feeding hopper; 11. First driving box; 12. Mounting plate; 13. Gear; 14. Second driving box; 15. Equipment box. DETAILED DESCRIPTION

[0017] 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.

[0018] Embodiment 1

[0019] See also Figures 1 to 3The utility model provides an embodiment: a new type of material spreading box, including an air duct 1, a material spreading box body 2 and a crushing box 8, the material spreading box body 2 is installed at the side end of the air duct 1, and the material spreading box body 2 is connected to the air duct 1, and the outer surface of the material spreading box body 2 is provided with a mounting plate 12, and the mounting plate 12 and the air duct 1 are provided with corresponding mounting holes, and the mounting holes are installed with bolts, and a first material spreading plate 3 is installed in the material spreading box body 2, and the first material spreading plate 3 is inclined, and the first material spreading plate 3 extends into the air duct 1, and a rotating shaft 5 is rotatably installed in the material spreading box body 2, The rotating shaft 5 is located above the first spreading plate 3, and the second spreading plates 4 distributed in an array are installed on the rotating shaft 5. The front end of the spreading box body 2 is installed with a first driving box 11, and a driving device is arranged in the first driving box 11. The main shaft of the driving device is connected to the axis of the rotating shaft 5. The driving device in the first driving box 11 in the utility model is a well-known device, and its working principle and circuit connection are well known to those skilled in the art, and are conventional means or common knowledge, so they will not be elaborated here. Those skilled in the art can make any selection according to their needs or convenience.

[0020] In this embodiment, the crushed cement can enter the spreading box body 2 and then fall onto the first spreading plate 3. The driving device in the first driving box 11 can rotate the rotating shaft 5, and with the cooperation of the second spreading plate 4, the cement can be spread into the air duct 1.

[0021] Embodiment 2

[0022] See also Figures 1 to 3 , the utility model provides an embodiment: a new type of material spreading box, compared with the first embodiment, this embodiment also includes: the crushing box 8 is installed at the upper end of the material spreading box body 2, the lower end of the crushing box 8 is provided with a feeding pipe 6, the end of the feeding pipe 6 is connected to the material spreading box body 2, the crushing box 8 is rotatably installed with symmetrically distributed crushing wheels 7, the rear end of the crushing box 8 is installed with an equipment box 15, the rotating shaft of the crushing wheel 7 extends to the equipment box 15 and a gear 13 is installed, the gears 13 are meshed and connected with each other, and the equipment box 15 is installed The second drive box 14, a drive device is arranged in the second drive box 14, the main shaft of the drive device is connected to the axis of the gear 13 located on the right side, a feed pipe 9 is installed at the upper end of the crushing box 8, and a feed hopper 10 is installed at the upper end of the feed pipe 9. The drive device in the second drive box 14 in the utility model is a well-known device, and its working principle and circuit connection are well known to those skilled in the art, and are conventional means or common knowledge, so they will not be repeated here, and those skilled in the art can make any selection according to their needs or convenience.

[0023] In this embodiment, cement is added into the feed hopper 10, and the cement can enter the crushing box 8 from the feed pipe 9. The gear 13 can be rotated by the driving device in the second drive box 14, so that the two crushing wheels 7 can be rotated. The cement can be crushed by the crushing wheel 7, and the crushed cement can enter the spreading box body 2 from the discharge pipe 6 for spreading.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A novel material spreading box, comprising an air duct (1), a material spreading box body (2) and a crushing box (8), characterized in that: The material spreading box body (2) is installed at the side end of the air duct (1), and the material spreading box body (2) is connected to the air duct (1). A first material spreading plate (3) is installed in the material spreading box body (2). A rotating shaft (5) is rotatably installed in the material spreading box body (2). The rotating shaft (5) is located above the first material spreading plate (3), and a second material spreading plate (4) distributed in an array is installed on the rotating shaft (5). The crushing box (8) is installed at the upper end of the material spreading box body (2). A discharge pipe (6) is provided at the lower end of the crushing box (8), and the end of the discharge pipe (6) is connected to the material spreading box body (2). Symmetrically distributed crushing wheels (7) are rotatably installed in the crushing box (8). A device box (15) is installed at the rear end of the crushing box (8). The rotating shaft of the crushing wheel (7) extends to the device box (15) and a gear (13) is installed therein. The gears (13) are meshed and connected with each other.

2. A novel material spreading box according to claim 1, characterized in that: The first spreading plate (3) is arranged at an angle, and the first spreading plate (3) extends into the air duct (1).

3. A novel material spreading box according to claim 1, characterized in that: A first driving box (11) is installed at the front end of the material spreading box body (2), a driving device is arranged in the first driving box (11), and the main shaft of the driving device is connected to the axis of the rotating shaft (5).

4. A novel material spreading box according to claim 1, characterized in that: The outer surface of the material spreading box body (2) is provided with a mounting plate (12), and corresponding mounting holes are provided on the mounting plate (12) and the air duct (1), and bolts are installed in the mounting holes.

5. A novel material spreading box according to claim 1, characterized in that: A feed pipe (9) is installed at the upper end of the crushing box (8), and a feed hopper (10) is installed at the upper end of the feed pipe (9).

6. A novel material spreading box according to claim 1, characterized in that: A second drive box (14) is installed in the equipment box (15), and a drive device is arranged in the second drive box (14). The main shaft of the drive device is connected to the axis of the gear (13) located on the right side.