Rotary kiln with dustproof and windproof functions

By setting up a retention tube, exhaust port and air inlet duct in the rotary kiln, the recombustion and utilization of dust is achieved, and the problems of fly ash and heat loss in the rotary kiln are solved, raw material and fuel consumption is reduced, and waste gas is recovered.

CN222578840UActive Publication Date: 2025-03-07DECHANG YONGXIN VANADIUM IND CO LTD
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Patent Information

Application Number
CN202421313137.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-07
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

During the operation of the existing rotary kiln, the loss of fly ash and heat is serious, resulting in a high amount of raw materials and fuel required to produce each product, affecting the effective utilization of resources.

Method used

A rotary kiln with anti-grain and windproof function was designed. By setting up a retention tube, exhaust port and air inlet duct in the kiln, dust enters the retention tube during the diffusion process, and is re-exhaused into the kiln through the exhaust port for recombustion and utilization.

Benefits of technology

It effectively reduces the loss of fly ash in the rotary kiln, reduces the amount of raw materials and fuel consumed per unit product, and reduces the dust and harmful particles in the external exhaust gases in the later stage, realizing the recycling of waste gas.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln with dust-proof and wind-proof functions, and solves the problems that in the operation process of rotary kilns on the market at present in the prior art, the loss of fly ash and heat is serious, so that the quantity of raw materials and fuel required for producing each product is high, and the production cost is low. And an adverse effect is formed on effective utilization of resources. A rotary kiln with dustproof and windproof functions comprises a kiln tail smoke chamber, a rotary kiln body connected to one side of the kiln tail smoke chamber and a plurality of fixing seats connected to the outer ring of the rotary kiln body. And one end of the rotary kiln is connected with a kiln head cover. Fly ash in the rotary kiln is reduced, meanwhile, the fly ash can be combusted and utilized again, on the basis, fly ash loss can be reduced, raw materials and fuel consumed by unit products can be reduced, dust and harmful particles mixed in gas exhausted outwards in the later period can be reduced, and the environment is protected. And the effect of recycling the waste gas is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of rotary kilns, in particular to a rotary kiln with dust and wind prevention functions. Background Art

[0002] Rotary kiln, a rotating calcining equipment, has been widely used in many fields such as building materials, metallurgical technology, chemical industry and environmental protection. However, the current rotary kilns on the market have serious problems of fly ash and heat loss during operation, which directly leads to a high amount of raw materials and fuel required to produce each product, which has an adverse impact on the effective use of resources. Utility Model Content

[0003] The purpose of the utility model is to provide a rotary kiln with dust and wind prevention functions, which solves the problem of serious fly ash and heat loss during the operation of rotary kilns currently on the market in the prior art, which directly leads to a high amount of raw materials and fuel required to produce each product, thus adversely affecting the effective utilization of resources.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A rotary kiln with dust and wind prevention functions comprises a kiln tail smoke chamber, a rotary kiln connected to one side of the kiln tail smoke chamber, and a plurality of fixing seats connected to the outer ring of the rotary kiln;

[0006] One end of the rotary kiln is connected to a kiln head cover, and a plurality of accumulation pipes are arranged inside the rotary kiln. The side wall of each accumulation pipe is provided with a plurality of exhaust ports, and the inner circle of each accumulation pipe is connected to a plurality of air inlet pipes.

[0007] Preferably, a plurality of the exhaust ports are arranged in a circular array along the outer ring of the accumulation tube, and a plurality of the air inlet pipes are arranged in a circular array along the inner ring of the accumulation tube.

[0008] Preferably, one end of each of the air inlet pipes is connected to an air inlet cover, and the air inlet cover is in a trumpet shape.

[0009] Preferably, a plurality of positioning plates are provided inside the rotary kiln, and the plurality of positioning plates are arranged in a circular array along the circumferential direction of the rotary kiln, and the outer rings of the plurality of retention pipes are detachably connected to the side walls of adjacent positioning plates.

[0010] Preferably, a plug-in plate is connected to the center of one side of the positioning plate, a plurality of plug-in slots adapted to the plug-in plate are provided inside the rotary kiln, the size of the positioning plate is larger than that of the plug-in plate, and the side wall of the positioning plate fits the inner wall of the rotary kiln.

[0011] Preferably, the outer ring of the retention tube is provided with a plurality of connecting sleeves, one side of the connecting sleeve is fixedly connected to a fixing plate, one side of the fixing plate is provided with a plurality of positioning screws with one end passing through the fixing plate through a screw sleeve, and the bottom of the positioning plate is provided with a plurality of connecting holes adapted to the positioning screw holes.

[0012] The utility model has at least the following beneficial effects:

[0013] By setting up the accumulation pipe, exhaust port and air inlet pipe, when the equipment is actually used, the dust in the rotary kiln can enter the accumulation pipe through the air inlet pipe during the diffusion process, and the dust entering the accumulation pipe can be discharged into the rotary kiln through the exhaust port, thereby reducing the fly ash in the rotary kiln. At the same time, the dust can be burned again. On this basis, not only the fly ash loss can be reduced, but also the raw materials and fuel consumed per unit product can be reduced, and the dust and harmful particles mixed in the gas discharged to the outside in the later stage can be reduced, so as to achieve the effect of recycling the waste gas.

[0014] The utility model also has the following beneficial effects:

[0015] The exhaust port is provided to facilitate dust to return from the inside of the retention pipe to the inside of the rotary kiln. The air inlet hood is provided to facilitate dust to quickly enter the inside of the retention pipe. The positioning plate is provided to facilitate synchronous movement and installation of several retention pipes. The plug-in plate is provided to facilitate rapid connection of the positioning plate with the inside of the rotary kiln. The connecting sleeve and the fixing plate are provided to facilitate rapid installation and connection of the retention pipe and the positioning plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the retention pipe of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the air inlet cover of the utility model;

[0020] Figure 4 This is a schematic diagram of the exhaust port structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the plug board of the utility model.

[0022] In the figure: 1. rotary kiln; 2. kiln head cover; 3. fixed seat; 4. kiln tail smoke chamber; 5. positioning plate; 6. retention pipe; 7. air inlet cover; 8. air inlet pipe; 9. fixed plate; 10. connecting sleeve; 11. exhaust port; 12. plug-in plate; 13. connecting hole. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] Reference Figure 1-5 A rotary kiln with dust and wind prevention functions comprises a kiln tail smoke chamber 4, a rotary kiln 1 connected to one side of the kiln tail smoke chamber 4, and a plurality of fixed seats 3 connected to the outer ring of the rotary kiln 1;

[0025] One end of the rotary kiln 1 is connected to a kiln head cover 2, and a plurality of accumulation pipes 6 are arranged inside the rotary kiln 1. The side wall of each accumulation pipe 6 is provided with a plurality of exhaust ports 11, and the inner circle of each accumulation pipe 6 is connected with a plurality of air inlet pipes 8. Specifically, through the arrangement of the accumulation pipe 6, the exhaust ports 11 and the air inlet pipe 8, when the present device is actually used, the dust in the rotary kiln 1 can enter the accumulation pipe 6 through the air inlet pipe 8 during the diffusion process, and the dust entering the accumulation pipe 6 can be discharged into the rotary kiln 1 through the exhaust ports 11, thereby reducing the fly ash in the rotary kiln, and at the same time, the dust can be burned again. On this basis, not only the fly ash loss can be reduced, but also the raw materials and fuel consumed per unit product can be reduced, and the dust and harmful particles mixed in the gas discharged to the outside in the later stage can be reduced, thereby achieving the effect of recycling the waste gas.

[0026] Furthermore, a plurality of exhaust ports 11 are arranged in a circular array along the outer circle of the accumulation pipe 6 , and a plurality of air inlet pipes 8 are arranged in a circular array along the inner circle of the accumulation pipe 6 .

[0027] Furthermore, one end of each air inlet pipe 8 is connected to an air inlet cover 7, and the air inlet cover 7 is in a trumpet shape.

[0028] Furthermore, a plurality of positioning plates 5 are provided inside the rotary kiln 1 . The plurality of positioning plates 5 are arranged in a circular array along the circumferential direction of the rotary kiln 1 . The outer circles of the plurality of retention pipes 6 are detachably connected to the side walls of the adjacent positioning plates 5 .

[0029] Furthermore, a plug-in plate 12 is connected to the center of one side of the positioning plate 5, and a plurality of plug-in slots adapted to the plug-in plate 12 are provided inside the rotary kiln 1. The size of the positioning plate 5 is larger than that of the plug-in plate 12, and the side wall of the positioning plate 5 fits the inner wall of the rotary kiln 1.

[0030] Furthermore, the outer ring of the retention tube 6 is provided with a plurality of connecting sleeves 10, one side of the connecting sleeve 10 is fixedly connected to a fixing plate 9, one side of the fixing plate 9 is provided with a plurality of positioning screws with one end passing through the fixing plate 9 through a screw sleeve, and the bottom of the positioning plate 5 is provided with a plurality of connecting holes 13 adapted to the positioning screw holes.

[0031] In summary, the exhaust port 11 is provided to facilitate dust to return from the inside of the retention pipe 6 to the inside of the rotary kiln 1. The air inlet hood 7 is provided to facilitate dust to quickly enter the inside of the retention pipe 6. The positioning plate 5 is provided to facilitate synchronous movement and installation of several retention pipes 6. The plug-in plate 12 is provided to facilitate rapid connection of the positioning plate 5 to the inside of the rotary kiln 1. The connection sleeve 10 and the fixing plate 9 are provided to facilitate rapid installation and connection of the retention pipe 6 and the positioning plate 5.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rotary kiln with dust and wind prevention functions, characterized in that: include: A kiln tail smoke chamber (4), a rotary kiln (1) connected to one side of the kiln tail smoke chamber (4), and a plurality of fixed seats (3) connected to the outer ring of the rotary kiln (1); One end of the rotary kiln (1) is connected to a kiln head cover (2), and a plurality of accumulation pipes (6) are arranged inside the rotary kiln (1). The side wall of each accumulation pipe (6) is provided with a plurality of exhaust ports (11), and the inner circle of each accumulation pipe (6) is connected to a plurality of air inlet pipes (8).

2. The rotary kiln with dust and wind prevention functions according to claim 1, characterized in that: A plurality of the exhaust ports (11) are arranged in a circular array along the outer ring of the accumulation pipe (6), and a plurality of the air inlet pipes (8) are arranged in a circular array along the inner ring of the accumulation pipe (6).

3. The rotary kiln with dust and wind prevention functions according to claim 2, characterized in that: One end of each air inlet pipe (8) is connected to an air inlet cover (7), and the air inlet cover (7) is in the shape of a trumpet.

4. The rotary kiln with dust and wind prevention functions according to claim 1, characterized in that: A plurality of positioning plates (5) are arranged inside the rotary kiln (1), and the plurality of positioning plates (5) are arranged in a circular array along the circumferential direction of the rotary kiln (1). The outer rings of the plurality of retention pipes (6) are respectively detachably connected to the side walls of adjacent positioning plates (5).

5. The rotary kiln with dust and wind prevention functions according to claim 4, characterized in that: A plug-in plate (12) is connected to the center of one side of the positioning plate (5), and a plurality of plug-in slots matching the plug-in plate (12) are provided inside the rotary kiln (1). The size of the positioning plate (5) is larger than that of the plug-in plate (12), and the side wall of the positioning plate (5) is in contact with the inner wall of the rotary kiln (1).

6. The rotary kiln with dust and wind prevention functions according to claim 5, characterized in that: The outer ring of the retention tube (6) is provided with a plurality of connecting sleeves (10), one side of the connecting sleeve (10) is fixedly connected to a fixing plate (9), one side of the fixing plate (9) is provided with a plurality of positioning screws, one end of which passes through the fixing plate (9) through a screw sleeve, and the bottom of the positioning plate (5) is provided with a plurality of connecting holes (13) adapted to the positioning screw holes.