Push plate kiln temperature control device

Abstract

The utility model discloses a push plate kiln temperature control device which comprises a kiln body, and cooling assemblies used for adjusting temperature are installed on the left side wall and the right side wall of the kiln body. The cooling assembly comprises a driving motor, the driving motor is installed on the outer wall of one side of the kiln furnace body, a machine shell is installed on the inner wall of one side of the kiln furnace body, the output end of the driving motor penetrates through the side wall of the kiln furnace body and the machine shell and is fixedly connected with a rotating shaft, and the rotating shaft rotates on the side wall of the kiln furnace body and the inner ring of the machine shell. The outer ring of the rotating shaft is fixedly connected with a centrifugal wind wheel and a back-conveying wind wheel, and a plurality of fan blades are fixedly arranged on the centrifugal wind wheel and the back-conveying wind wheel. A driving motor is arranged to drive a rotating shaft to rotate, so that a centrifugal wind wheel and a back-conveying wind wheel rotate, heat rising is accelerated through an exhaust fan, hot air is converted into a machine shell through an air suction pipe and then is converted out through formed heat dissipation holes, replacement of cold air and hot air is accelerated, the air suction cooling efficiency is improved, and the temperature in the kiln furnace body is kept; and the product quality can be improved.

Description

Technical Field

[0001] The utility model relates to a temperature control device for a push plate kiln furnace, belonging to the technical field of temperature control of push plate kiln furnaces. Background Art

[0002] Pusher kiln has a long history and experience in designing and manufacturing high-performance kilns. We have designed and manufactured many pusher kilns for electronic powder burning. The temperature zone of the electric kiln is optimized to achieve the process conditions for producing high-quality products. The kiln adopts high-quality refractory insulation materials and furnace lining design structure, and the kiln is energy-saving and corrosion-resistant.

[0003] In the prior art, for example, the Chinese patent number CN 219223284 U3 of "A temperature monitoring device for a push-plate kiln furnace" comprises a base and a furnace body fixedly connected to the base, a placement seat is slidably connected in the furnace body, two thermocouples are fixedly connected to the furnace body, two slide bars are slidably connected to the furnace body near the two thermocouples, spoilers are fixedly connected to the bottom of the two slide bars, the blanks to be fired are placed on the placement seat, the placement seat drives the blanks to move into the furnace body for firing, the mechanism for driving the placement seat to move adopts the mechanism of the existing push-plate kiln, the two thermocouples arranged on the furnace body can monitor the temperature in the furnace body in real time, the spoiler at the bottom of the slide bar can be synchronously moved up and down by controlling the slide bar to slide back and forth up and down, and then the spoiler moving up and down can disturb the air in the furnace body, so that the temperature distribution in the furnace body near the two thermocouples is uniform, thereby increasing the accuracy of the temperature measured by the thermocouples. The beneficial effect is that the temperature inside the furnace body can be monitored in real time by two thermocouples arranged on the furnace body, and the spoiler at the bottom of the slide bar can be synchronously moved up and down by controlling the slide bar to slide back and forth up and down, and then the spoiler moving up and down can disturb the air in the furnace body, so that the temperature distribution in the furnace body near the two thermocouples is uniform, thereby increasing the accuracy of temperature measurement by the thermocouples.

[0004] However, in the prior art, push-plate kilns generally adopt a closed environment for smelting. Too high or too low temperature in the kiln will affect the refined materials. When the temperature is unstable, the product quality cannot be guaranteed, which easily leads to waste of resources and large losses. Utility Model Content

[0005] The purpose of the utility model is to design a temperature control device for a push plate kiln furnace in view of the above problems existing in the prior art, to overcome the deficiencies of the prior art.

[0006] In order to achieve the above purpose, the technical solution of the utility model is:

[0007] A push-plate kiln furnace temperature control device comprises a kiln furnace main body, and cooling components for adjusting the temperature are installed on the left and right side walls of the kiln furnace main body; the cooling component comprises a driving motor, and the driving motor is installed on the outer wall of one side of the kiln furnace main body, and a casing is installed on the inner wall of one side of the kiln furnace main body, and the output end of the driving motor passes through the side wall of the kiln furnace main body and the casing, and is fixedly connected with a rotating shaft, and the rotating shaft rotates on the side wall of the kiln furnace main body and the inner circle of the casing, and a centrifugal fan wheel and a reverse air supply wheel are fixedly connected to the outer circle of the rotating shaft, and a plurality of fan blades are fixedly arranged on the centrifugal fan wheel and the reverse air supply wheel, and the centrifugal fan wheel is inside the casing, and an end of the rotating shaft away from the driving motor is fixed to the reverse air supply wheel, and an exhaust fan is installed on the side of the reverse air supply wheel away from the rotating shaft, and two suction pipes are arranged on the outer wall of one side of the casing.

[0008] Preferably, the two air suction pipes are located above and below the rotating shaft, the air suction pipes are communicated with the casing, and a plurality of heat dissipation holes are opened on one side of the kiln furnace body, and the plurality of heat dissipation holes are communicated with the casing.

[0009] Preferably, an electric heating plate is installed on the inner wall of the bottom of the kiln furnace body, a resistance heating wire is arranged on the surface of the electric heating plate, and a fixing frame is arranged above the electric heating plate and the resistance heating wire.

[0010] Preferably, a plurality of slots are provided on the top of the fixing frame, inner walls on both sides of the slots are fixedly connected with a tension spring 1, and one end of the tension spring 1 away from the side wall of the slot is fixedly connected with a limiting plate 1.

[0011] Preferably, the top of each of the limiting plates 1 is fixedly connected to two tension springs 2, and the tops of the two tension springs 2 are fixedly connected to a limiting plate 2.

[0012] Preferably, two hot air blowers are installed on the inner wall of the bottom of the kiln furnace body, and the two hot air blowers are located on both sides of the electric heating plate. A temperature sensor is installed on the inner wall of the kiln furnace body.

[0013] Preferably, a controller and a warning light are fixedly provided on the front outer wall of the kiln furnace body, a display screen and a plurality of control buttons are provided on the front of the controller, and a sealing door is installed on the front of the kiln furnace body.

[0014] Beneficial effects achieved by the utility model:

[0015] 1. The drive motor is set to drive the rotating shaft to rotate, so that the centrifugal fan wheel and the reverse air delivery wheel rotate, and the heat rise is accelerated through the exhaust fan, and the hot air is transferred to the casing through the suction pipe, and the hot air drawn into the casing is transferred out through the heat dissipation holes. Through the heat dissipation holes, the replacement of hot and cold air is accelerated, the efficiency of exhaust and cooling is improved, the temperature inside the kiln furnace is maintained, and it is helpful to improve product quality;

[0016] 2. By arranging a tension spring 1 and a limit plate 1, a tension spring 2 and a limit plate 2 in the fixed frame, the push plate can be kept in the state of thermal expansion and contraction during high-temperature baking, and still have the same specifications, beautiful shape and little damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional structural schematic diagram of a push plate kiln furnace temperature control device of the utility model is given;

[0018] Figure 2 for Figure 1 The schematic diagram of the cutaway structure of the kiln furnace body is shown;

[0019] Figure 3 for Figure 2 Schematic diagram of the casing cutaway structure.

[0020] Figure numerals: 1. kiln furnace body; 2. cooling component; 21. driving motor; 22. rotating shaft; 23. casing; 24. centrifugal fan wheel; 25. reverse air supply wheel; 26. air suction pipe; 27. exhaust fan; 3. heat dissipation hole; 4. electric heating plate; 5. resistance heating wire; 6. fixing frame; 7. tension spring one; 8. limit plate one; 9. tension spring two; 10. limit plate two; 11. temperature sensor; 12. hot air blower; 13. sealing door; 14. controller; 15. warning light. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model. Example 1

[0022] like Figure 1-3 As shown, a push plate kiln temperature control device proposed by the utility model comprises a kiln main body 1, and a cooling component 2 for adjusting the temperature is installed on the left and right side walls of the kiln main body 1; the cooling component 2 comprises a driving motor 21, and the driving motor 21 is installed on the outer wall of one side of the kiln main body 1, and a casing 23 is installed on the inner wall of one side of the kiln main body 1, and the output end of the driving motor 21 passes through the side wall of the kiln main body 1 and the casing 23, and is fixedly connected with a rotating shaft 22, and the rotating shaft 22 rotates on the inner circle of the side wall of the kiln main body 1 and the casing 23, and the outer circle of the rotating shaft 22 is fixedly connected with a centrifugal fan wheel 24 and a reverse air delivery wheel 25, and a plurality of fan blades are fixedly arranged on the centrifugal fan wheel 24 and the reverse air delivery wheel 25, and the centrifugal fan wheel 24 is inside the casing 23, and one end of the rotating shaft 22 away from the driving motor 21 is fixed to the reverse air delivery wheel 25, and a side of the reverse air delivery wheel 25 away from the rotating shaft 22 is installed with an exhaust fan 27, and two suction pipes 26 are arranged on the outer wall of one side of the casing 23.

[0023] In this embodiment, a driving motor 21 is installed on the outer wall of one side of the kiln furnace body 1, and a casing 23 is installed on the inner wall of one side of the kiln furnace body 1. By starting the driving motor 21, the rotating shaft 22 can be driven to rotate. When the rotating shaft 22 rotates, the centrifugal fan wheel 24 and the reverse air supply wheel 25 are driven to rotate. The function of the reverse air supply wheel 25 is to change the wind direction. The centrifugal fan wheel 24 can speed up the wind speed inside the casing 23 and convert the hot air out to achieve a certain heat dissipation effect. An exhaust fan 27 is installed on the side of the reverse air supply wheel 25 away from the rotating shaft 22. Through the cooperation of the suction pipe 26 and the exhaust fan 27, part of the hot air in the kiln furnace body 1 can be extracted, enter the casing 23 through the suction pipe 26, and then discharged through the casing 23. When it is detected that the temperature in the kiln furnace body 1 is too high, the cooling component 2 can be used to maintain it at a suitable temperature, which is helpful for the quality of the production push plate. Example 2

[0024] like Figure 1-3 As shown, a push plate kiln furnace temperature control device proposed by the utility model, compared with embodiment 1, this embodiment also includes two suction pipes 26 located above and below the rotating shaft 22, the suction pipes 26 are communicated with the casing 23, a plurality of heat dissipation holes 3 are opened on one side of the kiln furnace body 1, and the plurality of heat dissipation holes 3 are communicated with the casing 23, an electric heating plate 4 is installed on the inner wall of the bottom of the kiln furnace body 1, a resistance heating wire 5 is arranged on the surface of the electric heating plate 4, a fixing frame 6 is arranged above the electric heating plate 4 and the resistance heating wire 5, a plurality of notches are opened on the top of the fixing frame 6, and a tension spring 7 is fixedly connected to the inner walls on both sides of the notch, and the tension spring One end of the spring 7 away from the side wall of the slot is fixedly connected to a limit plate 8, two tension springs 29 are fixedly connected to the top of each limit plate 8, and a limit plate 2 10 is fixedly connected to the top of the two tension springs 29. Two hot air blowers 12 are installed on the inner wall of the bottom of the kiln furnace body 1, and the two hot air blowers 12 are located on both sides of the electric heating plate 4. A temperature sensor 11 is installed on the inner wall of the kiln furnace body 1, and a controller 14 and a warning light 15 are fixedly set on the outer wall of the front of the kiln furnace body 1. A display screen and multiple control buttons are set on the front of the controller 14, and a sealing door 13 is installed on the front of the kiln furnace body 1.

[0025] In this embodiment, the suction pipe 26 is located above and below the rotating shaft 22, so that the hot air drawn by the exhaust fan 27 can be better introduced into the suction pipe 26. A plurality of heat dissipation holes 3 are provided on one side of the kiln furnace body 1, and the temperature can be replaced better and faster through the heat dissipation holes 3 and the acceleration of the centrifugal wind wheel 24. An electric heating plate 4 is installed on the inner wall of the bottom of the kiln furnace body 1, and a resistance heating wire 5 is arranged on the surface of the electric heating plate 4. The electric heating plate 4 and the resistance heating wire 5 are used to heat the push plate. The heat insulation material of the furnace chamber of the push plate kiln expands due to the heat during the heating process, so that each piece of heat insulation material is A gap must be reserved. The push plate becomes shorter in length, wider in width, and even thicker in thickness. If it is not well fixed, some push plates may change in shape, resulting in inconsistency and unqualified manufacturing specifications. A temperature sensor 11 is installed on the inner wall of the kiln furnace body 1. The model of the temperature sensor 11 is PT100. The range of the temperature sensor 11 is -100~+600℃. The temperature inside the kiln furnace body 1 can be detected by the temperature sensor 11. If the set temperature is too high, it will be fed back to the controller 14 and the warning light 15, and the warning light 15 will flash to remind you.

[0026] Working principle: When using the push plate kiln furnace, put the push plate inside the fixed frame 6, so that the two limit plates 18 are against the push plate. Through the elastic force of the stretch spring 17, the push plate will be partially deformed under the action of thermal expansion and contraction, and the top of the push plate will contact the two limit plates 2 10. The limit plates 2 10 and the limit plates 1 8 can better fix the push plate and keep the shape of each push plate the same. If the temperature inside the kiln furnace body 1 is too high, it will be fed back to the controller 14 and the warning light 15 through the temperature sensor 11. When the warning light 15 flashes, the button of the controller 14 can be used to turn on the The driving motor 21 can be started to drive the rotating shaft 22 to rotate. When the rotating shaft 22 rotates, the centrifugal fan wheel 24 and the reverse air supply wheel 25 are driven to rotate. The function of the reverse air supply wheel 25 is to change the wind direction. The centrifugal fan wheel 24 can speed up the wind speed inside the casing 23 and convert the hot air out to achieve a certain heat dissipation effect. The two exhaust fans 27 can absorb the heat inside the kiln furnace body 1 to the top of both sides, and then convert the heat to the inside of the casing 23 through the suction pipe 26, and convert it out through the opened heat dissipation holes 3 to complete the control of the internal temperature of the kiln furnace body 1.

[0027] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A push plate kiln furnace temperature control device, comprising a kiln furnace body (1), characterized in that: The left and right side walls of the furnace body (1) are both equipped with cooling components (2) for adjusting the temperature; The cooling component (2) comprises a driving motor (21), the driving motor (21) being mounted on an outer wall of one side of the furnace body (1), a casing (23) being mounted on an inner wall of one side of the furnace body (1), an output end of the driving motor (21) passing through the side wall of the furnace body (1) and the casing (23), and being fixedly connected to a rotating shaft (22), the rotating shaft (22) rotating on the side wall of the furnace body (1) and the inner circle of the casing (23), and the outer circle of the rotating shaft (22) being fixedly connected to the inner circle of the casing (23). A centrifugal fan wheel (24) and a reverse air delivery wheel (25) are provided, each of the centrifugal fan wheel (24) and the reverse air delivery wheel (25) being fixedly provided with a plurality of fan blades, the centrifugal fan wheel (24) being inside the casing (23), one end of the rotating shaft (22) away from the driving motor (21) being fixed to the reverse air delivery wheel (25), an exhaust fan (27) being installed on the side of the reverse air delivery wheel (25) away from the rotating shaft (22), and two air suction pipes (26) being provided on the outer wall of one side of the casing (23).

2. The push plate kiln furnace temperature control device according to claim 1 is characterized in that: The two air suction pipes (26) are located above and below the rotating shaft (22), the air suction pipes (26) are in communication with the casing (23), and a plurality of heat dissipation holes (3) are provided on one side of the kiln furnace body (1), the plurality of heat dissipation holes (3) are in communication with the casing (23).

3. The push plate kiln furnace temperature control device according to claim 1 is characterized in that: An electric heating plate (4) is installed on the inner wall of the bottom of the kiln furnace body (1), a resistance heating wire (5) is arranged on the surface of the electric heating plate (4), and a fixing frame (6) is arranged above the electric heating plate (4) and the resistance heating wire (5).

4. The push plate kiln furnace temperature control device according to claim 3 is characterized in that: A plurality of slots are provided on the top of the fixing frame (6), and inner walls on both sides of the slots are fixedly connected to tension springs (7), and one end of the tension spring (7) away from the slot side wall is fixedly connected to a limiting plate (8).

5. The push plate kiln furnace temperature control device according to claim 4, characterized in that: The top of each of the limiting plates 1 (8) is fixedly connected to two tension springs 2 (9), and the tops of the two tension springs 2 (9) are fixedly connected to a limiting plate 2 (10).

6. The push plate kiln furnace temperature control device according to claim 1, characterized in that: Two hot air blowers (12) are installed on the inner wall of the bottom of the kiln furnace body (1), and the two hot air blowers (12) are located on both sides of the electric heating plate (4). A temperature sensor (11) is installed on the inner wall of the kiln furnace body (1).

7. The push plate kiln furnace temperature control device according to claim 1, characterized in that: A controller (14) and a warning light (15) are fixedly arranged on the front outer wall of the kiln furnace body (1); a display screen and a plurality of control buttons are arranged on the front of the controller (14); and a sealing door (13) is installed on the front of the kiln furnace body (1).

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