A kiln air supply preheating device

Abstract

The utility model relates to the technical field of kilns, and discloses a kiln air supply preheating device, including a support base, the support base is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to an active bevel gear, the active bevel gear is meshed with a driven bevel gear, the driven bevel gear is fixedly connected to a connecting shaft, the support base is fixedly connected to a first fixed block, the first fixed block is rotatably connected to the connecting shaft, a transmission worm is fixedly connected to the connecting shaft, the transmission worm is meshed with a transmission worm wheel, and the transmission worm wheel is fixedly connected to a rotating shaft. In the utility model, the driving motor is started, and the driving bevel gear, the driven bevel gear, the connecting shaft, the transmission worm, the transmission worm wheel and the rotating shaft are driven, so that the nozzle is finally swung above the kiln on the support frame to spray hot air, and the swinging nozzle is used to evenly distribute the hot air inside the kiln, thereby improving the preheating efficiency and shortening the preheating time.

Description

Technical Field

[0001] The utility model relates to the technical field of kilns, in particular to an air supply preheating device for a kiln. Background Art

[0002] Furnaces are thermal equipment used for calcining, sintering or firing products. They are indispensable devices in modern industrial production processes. Furnaces can be divided into flame kilns and electric kilns according to heat sources, and can be divided into continuous kilns, semi-continuous kilns and intermittent kilns according to operation methods. The internal temperature generally needs to reach above 350℃, and the temperature of high-temperature kilns can reach about 2000℃. Furnaces are widely used in ceramics, cement, glass and other industries. They generate heat energy by burning coal, oil, gas and other fuels to treat materials at high temperatures. With the advancement of industrial technology, furnaces are developing in the direction of large-scale, high-efficiency and long-life. At the same time, energy-saving and environmental protection requirements are becoming increasingly higher. The optimization design of furnaces, material selection and the application of energy-saving technologies are of great significance to improving production efficiency, reducing energy consumption and protecting the environment.

[0003] Traditional kiln air supply preheating devices often use a separate driving device to realize the swing and air supply of the nozzle, which not only increases the complexity and manufacturing cost of the device, but also consumes more energy. In order to solve these problems, a kiln air supply preheating device is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a kiln air supply preheating device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kiln air supply preheating device, comprising a support base, the support base is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to an active bevel gear, the active bevel gear is meshed with a driven bevel gear, the driven bevel gear is fixedly connected to a connecting shaft, the support base is fixedly connected to a first fixed block, the first fixed block is rotatably connected to the connecting shaft, a transmission worm is fixedly connected to the connecting shaft, the transmission worm is meshed with a transmission worm wheel, the transmission worm wheel is fixedly connected to a rotating shaft, the The support base is fixedly connected to a kiln box, the kiln box is fixedly connected to a second fixed block, the second fixed block is rotatably connected to a rotating shaft, the rotating shaft is fixedly connected to a first transmission bevel gear, the first transmission bevel gear is meshed with a second transmission bevel gear, the second transmission bevel gear is fixedly connected to a rotating disc, the kiln box is rotatably connected to a connecting rod, both ends of the connecting rod are fixedly connected to connecting pipes, the connecting pipe is connected to a nozzle, the connecting rod is provided with a guide slot, the rotating disc is fixedly connected to a guide shaft, and the guide shaft is slidably connected to the inside of the guide slot.

[0006] As a further description of the above technical solution:

[0007] The output end of the driving motor is fixedly connected to a driving pulley, and the driving pulley is connected to a driven pulley via a belt. The support base is fixedly connected to a fan, and a fan blade is arranged inside the fan, and the fan blade is fixedly connected to the driven pulley.

[0008] As a further description of the above technical solution:

[0009] The connecting pipe is connected with a first connecting hose, the first connecting hose is connected with a second connecting hose, the second connecting hose is connected with a third connecting hose, the third connecting hose is arranged through the kiln furnace box, a hot air blower is arranged at the upper end of the supporting base, the end of the third connecting hose away from the second connecting hose is arranged on the hot air blower, and the blower is connected with the hot air blower.

[0010] As a further description of the above technical solution:

[0011] A support frame is fixedly connected to the interior of the kiln box, and the nozzles are arranged on both sides of the support frame.

[0012] As a further description of the above technical solution:

[0013] The rotating discs are provided in two groups, and the guide shafts are eccentrically arranged on the rotating discs.

[0014] As a further description of the above technical solution:

[0015] The nozzles are arranged in multiple groups, and the nozzles are evenly arranged on the connecting pipe.

[0016] As a further description of the above technical solution:

[0017] The kiln box is provided with a box door.

[0018] The utility model has the following beneficial effects:

[0019] 1. In the utility model, the driving motor is started, and the driving bevel gear, the driven bevel gear, the connecting shaft, the driving worm, the driving worm wheel and the rotating shaft are driven, so that the nozzle is swung above the kiln on the supporting frame to spray hot air. The swinging nozzle makes the hot air evenly distributed inside the kiln, thereby improving the preheating efficiency and shortening the preheating time.

[0020] 2. In the utility model, while the nozzle is swinging, the output end of the driving motor drives the rotation of the active pulley and the driven pulley to realize the rotation of the fan blades, saving energy and improving the efficiency of the entire preheating process, which is in line with the concept of green environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the three-dimensional structure of a kiln air supply preheating device proposed in the utility model Figure 1 ;

[0022] Figure 2 A schematic diagram of the three-dimensional structure of a kiln air supply preheating device proposed in the utility model Figure 2 ;

[0023] Figure 3 This is a partial structural cross-sectional view of a kiln air supply preheating device proposed by the utility model;

[0024] Figure 4 The utility model is a partial three-dimensional structural schematic diagram of a kiln air supply preheating device.

[0025] Legend:

[0026] 1. Support base; 2. Drive motor; 3. Active bevel gear; 4. Driven bevel gear; 5. Connecting shaft; 6. First fixed block; 7. Transmission worm; 8. Transmission worm wheel; 9. Second fixed block; 10. Rotating shaft; 11. First transmission bevel gear; 12. Second transmission bevel gear; 13. Rotating disc; 14. Connecting rod; 15. Connecting pipe; 16. Nozzle; 17. Guide chute; 18. Guide shaft; 19. First connecting hose; 20. Second connecting hose; 21. Third connecting hose; 22. Kiln box; 24. Support frame; 25. Active pulley; 26. Driven pulley; 27. Fan; 28. Box door. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Figure 1-Figure 4, the utility model provides an embodiment: a kiln air supply preheating device, including a support base 1, the support base 1 is fixedly connected to a driving motor 2, the output end of the driving motor 2 is fixedly connected to an active bevel gear 3, the active bevel gear 3 is meshed with a driven bevel gear 4, the driven bevel gear 4 is fixedly connected to a connecting shaft 5, the support base 1 is fixedly connected to a first fixed block 6, the first fixed block 6 is rotatably connected to the connecting shaft 5, a transmission worm 7 is fixedly connected to the connecting shaft 5, the transmission worm 7 is meshed with a transmission worm wheel 8, the transmission worm wheel 8 is fixedly connected to a rotating shaft 10, the support base 1 is fixedly connected to a kiln box 22, the kiln box 22 is fixedly connected to a second fixed block 9, the second fixed block 9 is rotatably connected to the rotating shaft 10, the rotating shaft 10 is fixedly connected to a first transmission bevel gear 11, the first transmission bevel gear The wheel 11 is meshed with a second transmission bevel gear 12, and the second transmission bevel gear 12 is fixedly connected to a rotating disc 13. The kiln box 22 is rotatably connected to a connecting rod 14, and both ends of the connecting rod 14 are fixedly connected to connecting pipes 15, and the connecting pipe 15 is connected with a nozzle 16. The connecting rod 14 is provided with a guide slot 17, and a guide shaft 18 is fixedly connected to the rotating disc 13, and the guide shaft 18 is slidably connected to the inside of the guide slot 17. The driving motor 2 is started, and the driving bevel gear 3, the driven bevel gear 4, the connecting shaft 5, the transmission worm 7, the transmission worm wheel 8 and the rotating shaft 10 are driven, and finally the nozzle 16 is swung above the kiln on the support frame 24 to spray hot air. Through the swinging nozzle 16, the hot air is evenly distributed inside the kiln, thereby improving the preheating efficiency and shortening the preheating time.

[0029] The output end of the driving motor 2 is fixedly connected to a driving pulley 25, and the driving pulley 25 is connected to a driven pulley 26 through a belt. The support base 1 is fixedly connected to a fan 27, and a fan blade is arranged inside the fan 27, and the fan blade is fixedly connected to the driven pulley 26. The connecting pipe 15 is connected to a first connecting hose 19, and the first connecting hose 19 is connected to a second connecting hose 20, and the second connecting hose 20 is connected to a third connecting hose 21, and the third connecting hose 21 is connected to the kiln box 22. A hot air blower is arranged at the upper end of the support base 1, and one end of the third connecting hose 21 away from the second connecting hose 20 is arranged on the hot air blower, and the fan 27 is connected to the hot air blower, and the inside of the kiln box 22 is fixedly connected to a support frame 24 , the nozzles 16 are arranged on both sides of the support frame 24, the rotating disc 13 is provided with two groups, the guide shaft 18 is eccentrically arranged on the rotating disc 13, a plurality of groups of nozzles 16 are provided, and the nozzles 16 are evenly arranged on the connecting pipe 15. A box door 28 is provided on the kiln box 22. When the nozzles 16 swing, the output end of the driving motor 2 drives the rotation of the active pulley 25 and the driven pulley 26 to realize the rotation of the fan blades of the fan 27, saving energy and improving the efficiency of the entire preheating process, which is in line with the concept of green environmental protection. The models of 27 and the hot air blower are HAM-HPY25A-35, which are commonly used well-known technologies in this field. They are only used without improvement, so their working principles and connection methods are not introduced in detail.

[0030] Working principle: First, the operator starts the driving motor 2, the driving motor 2 drives the active bevel gear 3 to rotate, the active bevel gear 3 drives the driven bevel gear 4 to rotate, the driven bevel gear 4 drives the connecting shaft 5 to rotate, the connecting shaft 5 drives the transmission worm 7 to rotate, the transmission worm 7 drives the transmission worm wheel 8 to rotate, the transmission worm wheel 8 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the first transmission bevel gear 11 to rotate, the first transmission bevel gear 11 drives the second transmission bevel gear 12 to rotate, the second transmission bevel gear 12 drives the rotating disc 13 to rotate, the rotation of the rotating disc 13 drives the guide shaft 18 to rotate, the rotation of the guide shaft 18 drives the connecting rod 14 to swing repeatedly, the connecting rod 14 drives the connecting pipes 15 at both ends to swing, and the connecting pipe 15 drives the nozzle 1 6 swings, so far, the swing of the nozzle 16 is realized to spray hot air on the kiln on the support frame 24, and then the output end of the driving motor 2 drives the driving bevel gear 3 to rotate while driving the driving pulley 25 to rotate, the driving pulley 25 drives the driven pulley 26 to rotate, the driven pulley 26 drives the fan blades of the fan 27 to rotate, and is heated by the hot air blower 27, and then the hot air is transmitted to the inside of the second connecting hose 20 through the third connecting hose 21, and then transmitted from the second connecting hose 20 to the first connecting hose 19, and sprayed out from the nozzle 16 through the connecting pipe 15. At this point, it is realized that only under the premise of using one driving motor 2, the fan 27 supplies air and drives the nozzle 16 to swing through multi-step transmission, saving energy and complying with the concept of green environmental protection.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A furnace air supply preheating device, comprising a support base (1), characterized in that: The support base (1) is fixedly connected to a drive motor (2), an output end of the drive motor (2) is fixedly connected to a driving bevel gear (3), the driving bevel gear (3) is meshed with a driven bevel gear (4), the driven bevel gear (4) is fixedly connected to a connecting shaft (5), the support base (1) is fixedly connected to a first fixed block (6), the first fixed block (6) is rotatably connected to the connecting shaft (5), a transmission worm (7) is fixedly connected to the connecting shaft (5), the transmission worm (7) is meshed with a transmission worm wheel (8), the transmission worm wheel (8) is fixedly connected to a rotating shaft (10), the support base (1) is fixedly connected to a kiln box (22), the kiln box (22) is fixedly connected to a second fixed block ( 9), the second fixed block (9) is rotatably connected to the rotating shaft (10), the rotating shaft (10) is fixedly connected to a first transmission bevel gear (11), the first transmission bevel gear (11) is meshed with a second transmission bevel gear (12), the second transmission bevel gear (12) is fixedly connected to a rotating disc (13), the kiln box (22) is rotatably connected to a connecting rod (14), both ends of the connecting rod (14) are fixedly connected to connecting pipes (15), the connecting pipe (15) is connected to a nozzle (16), the connecting rod (14) is provided with a guide groove (17), the rotating disc (13) is fixedly connected to a guide shaft (18), and the guide shaft (18) is slidably connected to the inside of the guide groove (17).

2. The kiln air supply preheating device according to claim 1, characterized in that: The output end of the driving motor (2) is fixedly connected to a driving pulley (25), and the driving pulley (25) is connected to a driven pulley (26) via a belt. The support base (1) is fixedly connected to a fan (27), and a fan blade is provided inside the fan (27), and the fan blade is fixedly connected to the driven pulley (26).

3. A kiln air supply preheating device according to claim 2, characterized in that: The connecting pipe (15) is connected to a first connecting hose (19), the first connecting hose (19) is connected to a second connecting hose (20), the second connecting hose (20) is connected to a third connecting hose (21), the third connecting hose (21) is connected to a kiln box (22), a hot air blower is provided at the upper end of the supporting base (1), an end of the third connecting hose (21) away from the second connecting hose (20) is provided on the hot air blower, and the blower (27) is connected to the hot air blower.

4. The kiln air supply preheating device according to claim 3 is characterized in that: A support frame (24) is fixedly connected to the interior of the kiln box (22), and the nozzles (16) are arranged on both sides of the support frame (24).

5. The kiln air supply preheating device according to claim 4, characterized in that: The rotating discs (13) are provided in two groups, and the guide shaft (18) is eccentrically arranged on the rotating discs (13).

6. The kiln air supply preheating device according to claim 5, characterized in that: The nozzles (16) are arranged in multiple groups, and the nozzles (16) are evenly arranged on the connecting pipe (15).

7. The kiln air supply preheating device according to claim 6, characterized in that: The kiln box (22) is provided with a box door (28).

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