Preheating decomposition equipment for cement clinker production

By setting up material transport and heating mechanisms in the cement clinker production preheating and decomposition equipment, the materials are stirred to solve the problem of uneven material accumulation, thereby achieving a more efficient heating effect.

CN223412501UActive Publication Date: 2025-10-03SHANDONG LUBI BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202422435108.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-10-03
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

During the preheating and decomposition process of cement clinker production, uneven material accumulation leads to a decline in processing quality.

Method used

A material transport mechanism and a heating mechanism are set up to achieve uniform heating by stirring the materials, and the heating efficiency is improved by combining the filtering and heat preservation mechanisms.

Benefits of technology

The material is heated more evenly and the heating efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cement clinker production and preheating decomposition, in particular to cement clinker production and preheating decomposition equipment which is provided with a material conveying mechanism and a heating mechanism, so that materials can be turned and stirred in the cement clinker production and preheating decomposition process, the heating area of the materials is more uniform, and the heating efficiency is improved; comprising a preheating mechanism; the heating mechanism is installed at the right end of the preheating mechanism, the filtering mechanism is installed at the upper end of the preheating mechanism, the material conveying mechanism is installed in the preheating mechanism, and the heat preservation mechanism is installed on the preheating mechanism; the preheating mechanism is used for preheating, the heating mechanism is used for heating, the filtering mechanism is used for filtering, the material conveying mechanism is used for stirring, and the heat preservation mechanism is used for heat preservation.
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Description

Technical Field

[0001] The utility model relates to the technical field of preheating and decomposing cement clinker production, in particular to a preheating and decomposing device for cement clinker production. Background Art

[0002] The preheating and predecomposition system is one of the core equipment in the cement clinker calcining process. Its main function is to use the kiln exhaust gas and the tertiary air of the grate cooler to exchange heat with the material in the preheater, so as to achieve preheating and partial decomposition of the raw material before entering the kiln, provide a prerequisite for the calcination of the clinker, and save coal consumption.

[0003] In the existing cement clinker production preheating decomposition equipment, for example, a cement clinker production preheating decomposition equipment disclosed in the utility model patent application number 201821938664.2, a filter is set, so that under the action of the dust removal net, filter net and activated carbon net, the generated flue gas can be filtered, which plays an environmental protection role. By setting a sealing plate, bolts, grooves and concave plates, it is convenient to remove the sealing plate in the later stage, and then it is convenient to remove the dust removal net and the like for cleaning and replacement in the later stage.

[0004] However, during the preheating and decomposition process of cement clinker production, the materials accumulate in the equipment and are preheated unevenly, which reduces the processing quality. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a cement clinker production preheating decomposition equipment by setting a material transport mechanism and a heating mechanism, so that the material can be stirred during the preheating decomposition process of cement clinker production, thereby making the heated area of ​​the material more uniform and improving the heating efficiency.

[0006] The utility model is a cement clinker production preheating decomposition device, comprising a preheating mechanism; a heating mechanism, a filtering mechanism, a material transport mechanism and a heat preservation mechanism, wherein the heating mechanism is mounted on the right end of the preheating mechanism, the filtering mechanism is mounted on the upper end of the preheating mechanism, the material transport mechanism is mounted inside the preheating mechanism, and the heat preservation mechanism is mounted on the preheating mechanism;

[0007] The preheating mechanism performs preheating, the heating mechanism performs heating, the filtering mechanism performs filtering, the material transporting mechanism performs stirring, and the heat preservation mechanism performs heat preservation; the material is added and preheated by the preheating mechanism, the material is stirred by opening the material transporting mechanism, and the heating mechanism is opened at the same time to heat the material, the exhaust gas is filtered by the filtering mechanism, and the equipment is kept warm by the heat preservation mechanism, so that the material can be stirred during the preheating and decomposition process of cement clinker production, so that the heated area of ​​the material is more uniform and the heating efficiency is improved.

[0008] Preferably, the preheating mechanism includes a preheating bin, a feed port and a discharge port, the feed port is installed at the left end of the preheating bin, and the discharge port is installed at the lower end of the preheating bin; the material is added through the feed port, discharged through the discharge port, and processed through the preheating bin.

[0009] Preferably, the heating mechanism includes a heating device and a fan, the heating device is installed at the right end of the preheating bin, and the fan is installed at the right end of the heating device; heating is performed by turning on the heating device, and preheating is performed by turning on the fan to blow out hot air.

[0010] Preferably, the filtering mechanism includes a filtering chamber and a filter screen, the filtering chamber is installed at the upper end of the preheating chamber, and the filter screen is slidably installed in the filtering chamber; the filtering mechanism includes a filtering chamber and a filter screen, the filtering chamber is installed at the upper end of the preheating chamber, and the filter screen is slidably installed in the filtering chamber.

[0011] Preferably, the material transport mechanism includes a spiral blade shaft, a gear ring, a motor and a gear. The spiral blade shaft is rotatably installed in the preheating bin, the gear ring is installed on the spiral blade shaft, the motor is installed at the upper end of the preheating bin, and the output end of the motor extends into the preheating bin, the gear is connected to the output end of the motor, and the gear is meshed with the gear ring; the gear is rotated by turning on the motor, and the gear is meshed with the gear ring while rotating, so that the gear ring drives the spiral blade shaft to rotate to stir the material and cause the material to fall downward.

[0012] Preferably, the insulation mechanism includes a circular pipe, an air intake pipe and an exhaust pipe. The circular pipe is installed on the preheating bin, the interior of the circular pipe is connected to the interior of the filter bin through the air intake pipe, and the exhaust pipe is installed at the rear end of the circular pipe; the hot air is introduced into the circular pipe through the air intake pipe for insulation, and the exhaust gas is discharged through the exhaust pipe.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the material is added and preheated by the preheating mechanism, the material is stirred by opening the material transport mechanism, the material is heated by opening the heating mechanism at the same time, the exhaust gas is filtered by the filtering mechanism, and the equipment is insulated by the insulation mechanism, so that the material can be stirred during the preheating and decomposition process of cement clinker production, so that the heated area of ​​the material is more uniform and the heating efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a first axonometric structural diagram of the present invention;

[0015] Figure 2 This is a second axonometric structural diagram of the present invention;

[0016] Figure 3 This is a schematic diagram of the front-view cross-section axonometric structure of the present invention;

[0017] Figure 4This is a right-side sectional axonometric structural diagram of the present invention;

[0018] Figure 5 This is a schematic diagram of the axonometric structure of the utility model in top view;

[0019] Markings in the accompanying drawings: 1. Preheating mechanism; 11. Preheating chamber; 12. Feed port; 13. Discharge port; 2. Heating mechanism; 21. Heating device; 22. Fan; 3. Filtering mechanism; 31. Filtering chamber; 32. Filter screen; 4. Transporting mechanism; 41. Spiral blade shaft; 42. Gear ring; 43. Motor; 44. Gear; 5. Insulation mechanism; 51. Ring tube; 52. Inlet pipe; 53. Exhaust pipe. DETAILED DESCRIPTION

[0020] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention. Example

[0021] like Figures 1 to 5 As shown, a cement clinker production preheating and decomposition device includes a preheating mechanism 1, a heating mechanism 2, a filtering mechanism 3, a material transport mechanism 4, and a heat preservation mechanism 5. The heating mechanism 2 is mounted on the right end of the preheating mechanism 1, the filtering mechanism 3 is mounted on the upper end of the preheating mechanism 1, the material transport mechanism 4 is mounted inside the preheating mechanism 1, and the heat preservation mechanism 5 is mounted on the preheating mechanism 1;

[0022] The preheating mechanism 1 performs preheating, the heating mechanism 2 performs heating, the filtering mechanism 3 performs filtering, the material transporting mechanism 4 performs stirring, and the heat preservation mechanism 5 performs heat preservation;

[0023] The preheating mechanism 1 includes a preheating bin 11, a feed port 12 and a discharge port 13. The feed port 12 is installed at the left end of the preheating bin 11, and the discharge port 13 is installed at the lower end of the preheating bin 11.

[0024] The heating mechanism 2 includes a heating device 21 and a fan 22. The heating device 21 is installed at the right end of the preheating chamber 11, and the fan 22 is installed at the right end of the heating device 21.

[0025] The filtering mechanism 3 includes a filtering chamber 31 and a filter screen 32. The filtering chamber 31 is installed at the upper end of the preheating chamber 11, and the filter screen 32 is slidably installed in the filtering chamber 31.

[0026] The material transport mechanism 4 includes a spiral blade shaft 41, a gear ring 42, a motor 43 and a gear 44. The spiral blade shaft 41 is rotatably mounted in the preheating chamber 11, the gear ring 42 is mounted on the spiral blade shaft 41, the motor 43 is mounted on the upper end of the preheating chamber 11, and the output end of the motor 43 extends into the preheating chamber 11. The gear 44 is connected to the output end of the motor 43, and the gear 44 is meshed with the gear ring 42.

[0027] The heat preservation mechanism 5 includes a circular pipe 51, an air inlet pipe 52 and an exhaust pipe 53. The circular pipe 51 is installed on the preheating chamber 11. The interior of the circular pipe 51 is connected to the interior of the filter chamber 31 through the air inlet pipe 52. The exhaust pipe 53 is installed at the rear end of the circular pipe 51.

[0028] The material is added through the feed port 12, discharged through the discharge port 13, and processed through the preheating bin 11. The motor 43 is turned on to transmit the gear 44 so that the gear 44 rotates. While the gear 44 rotates, it engages with the gear ring 42 so that the gear ring 42 drives the spiral blade shaft 41 to rotate, thereby stirring the material and causing the material to fall downward. At the same time, the heating device 21 is turned on to heat the material, and the fan 22 is turned on to blow out the hot air to preheat the material. The exhaust gas is filtered through the filter 32, and the hot air is introduced into the meandering pipe 51 through the air inlet pipe 52 for insulation. The exhaust gas is discharged through the exhaust pipe 53, so that the material can be stirred during the preheating decomposition process of cement clinker production, so that the heated area of ​​the material is more uniform, thereby improving the heating efficiency.

[0029] like Figures 1 to 5 As shown, the utility model is a cement clinker production preheating decomposition equipment. When it is working, the material is added through the feed port 12, the material is discharged through the discharge port 13, and the material is processed through the preheating bin 11. The gear 44 is driven by turning on the motor 43 to rotate the gear 44. While the gear 44 rotates, it engages with the gear ring 42 so that the gear ring 42 drives the spiral blade shaft 41 to rotate to stir the material and make the material fall downward. At the same time, the heating device 21 is turned on to heat the material, and the fan 22 is turned on to blow out the hot air to preheat the material. The exhaust gas is filtered by the filter 32, and the hot air is introduced into the meandering pipe 51 through the intake pipe 52 for insulation, and the exhaust gas is discharged through the exhaust pipe 53.

[0030] The fan 22 and the motor 43 of the utility model are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manuals, without the need for technicians in this field to make creative efforts.

[0031] The main functions achieved by the utility model are: during the preheating and decomposition process of cement clinker production, by arranging the material transport mechanism and the heating mechanism, the material can be turned over and stirred during the preheating and decomposition process of cement clinker production, so that the heated area of ​​the material is more uniform and the heating efficiency is improved.

[0032] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A cement clinker production preheating and decomposition device, comprising a preheating mechanism (1); characterized in that: It also includes a heating mechanism (2), a filtering mechanism (3), a material transporting mechanism (4) and a heat preservation mechanism (5), wherein the heating mechanism (2) is mounted on the right end of the preheating mechanism (1), the filtering mechanism (3) is mounted on the upper end of the preheating mechanism (1), the material transporting mechanism (4) is mounted in the preheating mechanism (1), and the heat preservation mechanism (5) is mounted on the preheating mechanism (1); The preheating mechanism (1) performs preheating, the heating mechanism (2) performs heating, the filtering mechanism (3) performs filtering, the material transporting mechanism (4) performs stirring, and the heat preservation mechanism (5) performs heat preservation.

2. A cement clinker production preheating and decomposition equipment according to claim 1, characterized in that: The preheating mechanism (1) comprises a preheating bin (11), a feed port (12) and a discharge port (13), wherein the feed port (12) is mounted at the left end of the preheating bin (11), and the discharge port (13) is mounted at the lower end of the preheating bin (11).

3. A cement clinker production preheating and decomposition equipment as claimed in claim 2, characterized in that: The heating mechanism (2) includes a heating device (21) and a fan (22). The heating device (21) is installed at the right end of the preheating chamber (11), and the fan (22) is installed at the right end of the heating device (21).

4. A cement clinker production preheating and decomposition equipment as claimed in claim 2, characterized in that: The filtering mechanism (3) comprises a filtering chamber (31) and a filter screen (32). The filtering chamber (31) is mounted on the upper end of the preheating chamber (11), and the filter screen (32) is slidably mounted in the filtering chamber (31).

5. The preheating and decomposition equipment for cement clinker production according to claim 2, characterized in that: The material transport mechanism (4) includes a spiral blade shaft (41), a gear ring (42), a motor (43) and a gear (44). The spiral blade shaft (41) is rotatably mounted in the preheating bin (11). The gear ring (42) is mounted on the spiral blade shaft (41). The motor (43) is mounted on the upper end of the preheating bin (11). The output end of the motor (43) extends into the preheating bin (11). The gear (44) is connected to the output end of the motor (43), and the gear (44) is meshed with the gear ring (42).

6. The preheating and decomposition equipment for cement clinker production according to claim 4, characterized in that: The heat preservation mechanism (5) comprises a circular pipe (51), an air inlet pipe (52) and an exhaust pipe (53). The circular pipe (51) is installed on the preheating chamber (11). The interior of the circular pipe (51) is connected to the interior of the filter chamber (31) through the air inlet pipe (52). The exhaust pipe (53) is installed at the rear end of the circular pipe (51).

Citation Information

Patent Citations

  • A preheater decomposition furnace for producing cement clinker

    CN209166122U