Efficient automatic temperature control tunnel kiln for firing refractory materials
By combining an automatic temperature control system and a mixer, precise temperature control and uniform mixing of raw materials are achieved in the tunnel kiln. This solves the problems of inaccurate temperature control and the impact of raw material size on finished product quality in the tunnel kiln, and improves the firing quality and production stability of refractory materials.
Patent Information
- Application Number
- CN202520261816.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-19
AI Technical Summary
Existing tunnel kilns have difficulty achieving precise temperature control, leading to over-firing and under-firing of refractory materials during the firing process, which affects product quality. Furthermore, the size of the raw materials directly affects the quality of the finished product.
The system employs an automatic temperature controller and temperature sensor to precisely control the internal temperature of the kiln via a fuel conveyor and control valve. It also utilizes pulleys and slide rails to move the template car, and combines a drive assembly and a mixer to achieve uniform mixing and conveying of raw materials.
It achieves precise control of the internal temperature of the kiln, ensures the firing quality of refractory materials, solves the problem of the impact of raw material size on the quality of finished products, and improves the stability and safety of production.
Smart Images
Figure CN223807579U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to refractory production technical field especially, a kind of high-efficiency automatic temperature control tunnel kiln for firing of refractory. BACKGROUND
[0002] Tunnel kiln is a continuous kiln, its shape is like a long tunnel, in industrial production, especially ceramic, refractory and other industries, it is widely used to fire green body, and refractory is widely used in high-temperature industrial field, such as metallurgy, building materials, chemical industry and other industries, and the quality and performance requirements of refractory are higher and higher, and the quality stability of product directly affects the continuity and safety of industrial production;
[0003] The tunnel kiln in prior art is composed of kiln wall, kiln roof and kiln bottom, during use, raw materials with different particle sizes are put into kiln car loaded with green body, and the kiln car slowly passes through the tunnel along the track, in this process, green body is heated and fired, and finally the finished product is obtained after cooling, and in this process, temperature is adjusted and controlled by workers relying on manual experience and simple instrument.
[0004] In the above technology, part of the device relies on manual experience and simple instrument adjustment, and it is difficult to realize accurate temperature control, which can easily lead to overfiring and underfiring in the firing process of refractory, affecting product quality, and different sizes of raw materials will directly affect the quality of finished product in the firing process. UTILITY MODEL CONTENT
[0005] The utility model provides a kind of high-efficiency automatic temperature control tunnel kiln for firing of refractory, to improve the problems that part of the device in prior art is difficult to realize accurate temperature control and is independently operated according to raw material heating degree and the quality of finished product is directly affected in the firing process of raw material with different sizes.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of high-efficiency automatic temperature control tunnel kiln for firing of refractory, including kiln body, one end of the kiln body is fixedly connected with kiln cover, the outside of the kiln body is provided with multiple control mechanisms, there is moving assembly in the control mechanism, one end of the kiln body is provided with fusion mechanism, drive assembly is provided in the fusion mechanism, multiple control mechanisms include fixed frame, one end of multiple fixed frames is fixedly connected on the both sides of the kiln body, automatic temperature controller is fixedly connected on the outside of the fixed frame, temperature sensor is fixedly connected on the both sides of the automatic temperature controller, support frame is fixedly connected on the top of the fixed frame, fuel conveyor is fixedly connected on the top of the support frame, control valve is fixedly connected on the outside of the fuel conveyor, fuel delivery pipeline is fixedly connected on one end of the control valve.
[0007] As a further description of the above technical solution: the moving assembly includes slide rails, the bottoms of the two slide rails are fixedly connected to the inside of the kiln body, the tops of the two slide rails are both slidingly connected with two pulleys, the tops of the pulleys are fixedly connected with a template vehicle.
[0008] As a further description of the above technical solution: the fusing mechanism includes a conveying frame, the outside of the conveying frame is fixedly connected to one end of the kiln body, the inside of the conveying frame is rotatably connected with a stirrer, the inside of the stirrer is fixedly connected with a plurality of stirring plates.
[0009] As a further description of the above technical solution: the outside of the stirrer is fixedly connected with two rotating shaft cores, the outside of the rotating shaft core is rotatably connected with a fixed rotating shaft frame, the outside of the stirrer is fixedly connected with a concave tooth shaft, the outside of the concave tooth shaft is rotatably connected with a fixed concave tooth frame.
[0010] As a further description of the above technical solution: the driving assembly includes a gear, the two ends of the gear are rotatably connected to the inside of the fixed concave tooth frame, the outside of the fixed concave tooth frame is meshingly connected to the inside of the concave tooth shaft.
[0011] As a further description of the above technical solution: the outside of the two ends of the gear is both sleeved with a track, the inside of the two tracks is sleeved with a clamping groove shaft.
[0012] As a further description of the above technical solution: one end of the clamping groove shaft is fixedly connected with a driving motor, the clamping groove shaft and the gear are connected by the track, so that the clamping groove shaft drives the track to transmit to the gear to make it rotate and drive the concave tooth shaft.
[0013] As a further description of the above technical solution: a plurality of the fixed frames are fixedly connected to the two sides of the kiln body, so that the automatic temperature controller senses the temperature of different areas inside the kiln body according to the temperature sensor, and the control valve is fixedly connected between the fuel conveyor and the fuel conveying pipeline, so that the fuel conveying pipeline controls the amount of combustion liquid output by the fuel conveyor.
[0014] The utility model has the advantages of the following:
[0015] 1、In the utility model, the temperature inside the kiln body is transmitted to the inside of the automatic temperature controller in real time through the cooperation of the temperature sensor and the automatic temperature controller, so as to detect the temperature inside the kiln body, the amount of combustion liquid conveyed to the inside of the kiln body by the fuel conveying pipeline is controlled through the cooperation of the fuel conveyor and the control valve, so as to control the temperature inside the kiln body, the template vehicle moves inside the kiln body according to the feedback of the automatic temperature controller through the pulley and the slide rail, so as to realize accurate control of the temperature and autonomous operation according to the heating degree of the raw materials.
[0016] 2. In this utility model, with the cooperation of the fuel conveyor and the support frame, the mixer is fixed in a specific area to ensure stable operation. With the cooperation of the conveyor frame and the mixing plate, the raw materials are more effectively fed into the mixer for mixing and then discharged. With the cooperation of the drive motor and the slot shaft, the track drives the gear. With the cooperation of the fixed concave gear frame and the concave gear shaft, the gear drives the concave gear shaft to rotate in the fixed concave gear frame, fully mixing the raw materials. This solves the problem that different sizes of raw materials directly affect the quality of the finished product during the firing process. Attached Figure Description
[0017] Figure 1 This is a three-dimensional schematic diagram of a high-efficiency automatic temperature-controlled tunnel kiln for firing refractory materials proposed in this utility model.
[0018] Figure 2 This is a schematic diagram of the control mechanism of a high-efficiency automatic temperature-controlled tunnel kiln for refractory material firing proposed in this utility model.
[0019] Figure 3 This is a schematic diagram of the structure of a mixer for a high-efficiency automatic temperature-controlled tunnel kiln for refractory material firing, as proposed in this utility model.
[0020] Figure 4 This is a schematic diagram of the concave toothed shaft of a high-efficiency automatic temperature-controlled tunnel kiln for refractory material firing proposed in this utility model.
[0021] Figure 5 This is a schematic diagram of the structure of a gear in a high-efficiency automatic temperature-controlled tunnel kiln for firing refractory materials, as proposed in this utility model.
[0022] Legend:
[0023] 1. Kiln body; 101. Kiln cover; 2. Control mechanism; 201. Fixing frame; 202. Automatic temperature controller; 203. Temperature sensor; 204. Support frame; 205. Fuel conveyor; 206. Control valve; 207. Fuel conveying pipeline; 208. Slide rail; 209. Pulley; 2010. Template cart; 3. Fusion mechanism; 301. Conveyor frame; 302. Mixer; 303. Mixing plate; 304. Rotary shaft core; 305. Fixed rotating shaft frame; 306. Gear shaft; 307. Fixed gear frame; 308. Gear; 309. Track; 3010. Slotted shaft; 3011. Drive motor. Detailed Implementation
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.
[0025] With reference to Figure 1 、 Figure 2 The present application provides an embodiment: an efficient automatic temperature control tunnel kiln for firing refractory materials, comprising a kiln body 1, a heat insulation layer is installed inside the kiln body 1 to reduce heat loss and improve energy utilization efficiency, the heat insulation layer uses high-performance heat insulation materials such as ceramic fiber and rock wool, the heat insulation materials are installed on the inner wall of the kiln body 1 according to the size and shape of the kiln body 1, one end of the kiln body 1 is fixedly connected with a kiln cover 101, the kiln cover 101 is used to enhance the sealing performance of the kiln body 1 and prevent heat and gas leakage, a plurality of control mechanisms 2 are arranged on the outer side of the kiln body 1, the control mechanisms 2 have moving assemblies inside, one end of the kiln body 1 is provided with a fusion mechanism 3, and the fusion mechanism 3 is provided with a driving assembly inside;
[0026] The plurality of control mechanisms 2 comprise a fixing frame 201 for fixing and supporting, one end of the plurality of fixing frames 201 is fixedly connected to the two sides of the kiln body 1, an automatic temperature controller 202 is fixedly connected to the outside of the fixing frame 201, the automatic temperature controller 202 is provided with a remote control function, remote monitoring and operation are realized through wireless communication, an operator can conveniently control and adjust the temperature at different positions, a more advanced control algorithm and a high-performance sensor are adopted to realize accurate control of the temperature, reduce temperature fluctuation, and ensure firing quality, temperature sensors 203 are fixedly connected to the two sides of the automatic temperature controller 202, the temperature sensors 203 are distributed on the two sides of the kiln body 1 to more comprehensively and accurately perceive the temperature distribution in the kiln and provide more accurate data for the automatic temperature controller 202, a support frame 204 is fixedly connected to the top of the fixing frame 201, the support frame 204 is used for fixing and supporting, a fuel conveyor 205 is fixedly connected to the top of the support frame 204, the fuel conveyor 205 is used for conveying fuel, a control valve 206 is fixedly connected to the outside of the fuel conveyor 205, the control valve 206 is an electric control valve 206 with high precision, can accurately adjust the opening degree according to the signal of the control system, and realizes fine control of the fuel conveying amount;
[0027] One end of the control valve 206 is fixedly connected with the fuel delivery pipeline 207, the fuel delivery pipeline 207 is used for conveying fuel, a plurality of fixing frames 201 are fixedly connected on both sides of the kiln body 1, so that the automatic temperature controller 202 controls the valve 206 fixedly connected between the fuel delivery device 205 and the fuel delivery pipeline 207, so that the fuel delivery pipeline 207 controls the amount of fuel output by the fuel delivery device 205, the moving assembly includes a slide rail 208, the slide rail 208 is used for supporting and moving, the bottoms of the two slide rails 208 are fixedly connected inside the kiln body 1, the tops of the two slide rails 208 are both slidably connected with two pulleys 209, the pulleys 209 are made of wear-resistant and high-temperature-resistant alloy steel, the tops of the pulleys 209 are fixedly connected with a template car 2010, the template car 2010 is made of high-strength aluminum alloy, and a position sensor is installed at the bottom, the position and running track of the template car 2010 are accurately controlled through cooperation with the positioning system in the automatic temperature controller 202, and automatic operation is realized.
[0028] With reference to Figures 3 to 5 The fusion mechanism 3 includes a conveying frame 301, the conveying frame 301 is used for supporting and connecting, and is made of high-strength alloy steel, the outer portion of the conveying frame 301 is fixedly connected to one end of the kiln body 1, the inner side of the conveying frame 301 is rotatably connected with a stirrer 302, the stirrer 302 is used for rotating and stirring, and is made of high-strength alloy steel, a plurality of stirring plates 303 are fixedly connected inside the stirrer 302, the stirring plates 303 are used for fixing and stirring, and are made of high-strength alloy steel, two rotating shaft cores 304 are fixedly connected to the outer side of the stirrer 302, the rotating shaft cores 304 are used for connecting and rotating, and are made of high-strength alloy steel, so as to reduce friction and wear during rotation, improve the stability and precision of rotation, a fixed rotating shaft frame 305 is rotatably connected to the outer side of the rotating shaft core 304, the fixed rotating shaft frame 305 is used for fixing and supporting, and is made of high-strength alloy steel, a concave tooth shaft 306 is fixedly connected to the outer side of the stirrer 302, the concave tooth shaft 306 is used for connecting and rotating, and is made of high-strength alloy steel, and a fixed concave tooth frame 307 is rotatably connected to the outer side of the concave tooth shaft 306, the fixed concave tooth frame 307 is used for fixing and supporting, and is made of high-strength alloy steel;
[0029] The driving assembly comprises a gear 308 for transmission and rotation, which is made of high-strength alloy steel, the two ends of the gear 308 are rotatably connected in the inside of the fixed concave tooth frame 307, the outside of the fixed concave tooth frame 307 is meshingly connected in the inside of the concave tooth shaft 306, the outside of the two ends of the gear 308 is sleeved with a track 309 for transmission and connection, which is made of high-strength and high-temperature-resistant rubber material, the inside of the two tracks 309 is sleeved with a clamping groove shaft 3010 for connection and rotation, which is made of high-strength alloy steel, one end of the clamping groove shaft 3010 is fixedly connected with a driving motor 3011 for generating power, the motor is selected to have high torque, high efficiency and frequency conversion speed regulation function, the speed and output torque can be flexibly adjusted according to different working requirements, the clamping groove shaft 3010 and the gear 308 are connected by the track 309, so that the clamping groove shaft 3010 drives the track 309 to be transmitted to the gear 308 to make it rotate and drive the concave tooth shaft 306.
[0030] Working principle: The kiln body 1 is provided with a plurality of fixed frames 201 on both sides, and each fixed frame 201 is provided with an automatic temperature controller 202, and the temperature sensors 203 connected on both sides can sense the temperature of different areas in the kiln body 1 in real time. Once the temperature sensor 203 detects a change in temperature, it will feed back a signal to the automatic temperature controller 202. When the temperature of a certain area is too high, the automatic temperature controller 202 will issue an instruction to control the fuel feeder 205 at the top of the fixed frame 201 to deliver fuel, which is connected to the fuel delivery pipeline 207 through the externally connected control valve 206. The control valve 206 adjusts the fuel delivery amount according to the instruction of the automatic temperature controller 202, thereby controlling the temperature in the kiln. When the refractory material is placed on the template car 2010, the template car 2010 can move on the slide rail 208 through the pulley 209 to realize the transportation of the material in the kiln.
[0031] Start the driving motor 3011, the driving motor 3011 drives the clamping groove shaft 3010 to rotate, when the clamping groove shaft 3010 rotates, it drives the track 309 to move, the movement of the track 309 drives the gear 308 matched therewith to rotate, at the same time, the gear 308 is connected with the fixed concave tooth frame 307 outside the concave tooth shaft 306, when the gear 308 rotates, it drives the concave tooth shaft 306 to rotate, the rotation of the concave tooth shaft 306 drives the stirrer 302 to start rotating, the inside of the stirrer 302 is rotatably connected to the conveying frame 301, when the stirrer 302 rotates, the plurality of stirring plates 303 fixedly connected in the inside thereof also rotate, thereby realizing the stirring operation of the material, the two rotating shaft cores 304 outside the stirrer 302 are rotatably connected to the fixed rotating shaft frame 305, which provides support and constraint for the rotation of the stirrer 302, and guarantees the stable rotation track thereof.
[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A high efficiency automatic temperature control tunnel kiln for firing refractory materials comprising a kiln body (1) characterized in that: One end of the kiln body (1) is fixedly connected with a kiln cover (101), the outer side of the kiln body (1) is provided with a plurality of control mechanisms (2), the inside of the control mechanism (2) has a moving assembly, one end of the kiln body (1) is provided with a fusion mechanism (3), the inside of the fusion mechanism (3) is provided with a driving assembly; A plurality of control mechanisms (2) include a fixed frame (201), one end of the plurality of fixed frames (201) is fixedly connected on both sides of the kiln body (1), the outside of the fixed frame (201) is fixedly connected with an automatic temperature controller (202), both sides of the automatic temperature controller (202) are fixedly connected with a temperature sensor (203), the top of the fixed frame (201) is fixedly connected with a support frame (204), the top of the support frame (204) is fixedly connected with a fuel conveyor (205), the outside of the fuel conveyor (205) is fixedly connected with a control valve (206), one end of the control valve (206) is fixedly connected with a fuel conveying pipeline (207).
2. A high efficiency automatic temperature controlled tunnel kiln for firing refractory materials as claimed in claim 1 wherein: The moving assembly includes a slide rail (208), the bottoms of two slide rails (208) are fixedly connected in the inside of the kiln body (1), the tops of two slide rails (208) are both slidably connected with two pulleys (209), the top of the pulley (209) is fixedly connected with a template car (2010).
3. A high efficiency automatic temperature controlled tunnel kiln for firing refractory materials as claimed in claim 2 wherein: The fusion mechanism (3) includes a conveying frame (301), the outside of the conveying frame (301) is fixedly connected at one end of the kiln body (1), the inner side of the conveying frame (301) is rotatably connected with a blender (302), the inside of the blender (302) is fixedly connected with a plurality of stirring plates (303).
4. A high efficiency automatic temperature controlled tunnel kiln for firing refractory materials as claimed in claim 3 wherein: The outside of the blender (302) is fixedly connected with two rotating shaft cores (304), the outside of the rotating shaft core (304) is rotatably connected with a fixed rotating shaft frame (305), the outside of the blender (302) is fixedly connected with a concave tooth shaft (306), the outside of the concave tooth shaft (306) is rotatably connected with a fixed concave tooth frame (307).
5. A high efficiency automatic temperature controlled tunnel kiln for firing refractory materials as claimed in claim 4 wherein: The driving assembly includes a gear (308), both ends of the gear (308) are rotatably connected in the inside of the fixed concave tooth frame (307), the outside of the fixed concave tooth frame (307) is meshingly connected in the inside of the concave tooth shaft (306).
6. A high efficiency automatic temperature controlled tunnel kiln for firing refractory materials as claimed in claim 5 wherein: Both ends of the gear (308) are externally sleeved with a track (309), both the inside of the track (309) is sleeved with a clamping groove shaft (3010).
7. A high efficiency automatic temperature controlled tunnel kiln for firing refractory materials as claimed in claim 6 wherein: One end of the clamping groove shaft (3010) is fixedly connected with a driving motor (3011), the clamping groove shaft (3010) and the gear (308) are connected by the track (309), so that the clamping groove shaft (3010) drives the track (309) to be transmitted to the gear (308) to make it rotate and drive the concave tooth shaft (306).
8. A high efficiency automatic temperature controlled tunnel kiln for firing refractory materials as claimed in claim 1 wherein: A plurality of said fixed frame (201) is fixedly connected on both sides of said kiln body (1), so that said automatic temperature controller (202) can sense the temperature of different areas inside said kiln body (1) according to said temperature sensor (203), and said control valve (206) is fixedly connected between said fuel feeder (205) and said fuel delivery pipeline (207), so that said fuel delivery pipeline (207) can control the amount of output of said fuel feeder (205).