Device for monitoring firing temperature of tunnel kiln

Abstract

The utility model provides a device for monitoring the firing temperature of a tunnel kiln, which relates to the field of monitoring the firing temperature of the tunnel kiln and is applied to a tunnel kiln main body, an outer shell is arranged outside the tunnel kiln main body, and the left side and the right side of the outer shell are respectively provided with a combustion heating mechanism; a mounting assembly is mounted on the lower portion of the right end face of the tunnel kiln body, and a control box is mounted on the right side of the mounting assembly. Through the arrangement of the temperature sensor, the controller and the electric flow valve, the sintering temperature does not need to be manually regulated and controlled in the ceramic sintering process, time and labor are saved during monitoring, the problem that the precision of manual regulation and control is low is effectively solved, and therefore the situation that the quality of ceramic is affected when the ceramic is sintered in the tunnel kiln body is avoided; the problems that when the firing temperature of the tunnel kiln is monitored at present, a worker generally regulates and controls the natural gas inlet amount according to the temperature value monitored by a temperature sensor, in this way, time and labor are wasted during monitoring, and the precision of manual regulation and control is low are solved.

Description

Technical Field

[0001] This utility model relates to the field of tunnel kiln firing temperature monitoring technology, and in particular to a device for monitoring the firing temperature of a tunnel kiln. Background Technology

[0002] In ceramic production, the tunnel kiln, as a continuous firing device, plays a crucial role. It transforms raw materials into finished products through a sustained high-temperature firing process. In this process, controlling the firing temperature is particularly critical, as it directly affects the product's quality, performance, and production efficiency.

[0003] Currently, the firing temperature of tunnel kilns is typically monitored by temperature sensors, which then display the temperature on a controller's screen. Staff then adjust the natural gas intake based on the sensor readings. This process is not only time-consuming and labor-intensive, but also suffers from low precision due to manual adjustments, potentially affecting the quality of the ceramics during firing inside the kiln. Furthermore, the controller is usually mounted on the outer wall of the tunnel kiln via a control box. Because the overall temperature of the tunnel kiln is high during firing, this high temperature is directly transferred to the control box, causing the controller inside to operate at a high temperature for extended periods, severely impacting its lifespan. Utility Model Content

[0004] This disclosure relates to a device for monitoring the firing temperature of a tunnel kiln. Through the configuration of a temperature sensor, a controller, and an electric flow valve, the device can monitor the firing temperature in real time during the ceramic firing process. The firing temperature is then fed back to the controller, which automatically controls the opening of the electric flow valve. This allows for automatic regulation of the firing temperature inside the tunnel kiln, eliminating the need for manual temperature control. This not only saves time and effort in monitoring but also effectively avoids the problem of low precision in manual control, thus preventing any impact on the quality of the ceramics during firing inside the tunnel kiln.

[0005] In a first aspect, this disclosure provides a device for monitoring the firing temperature of a tunnel kiln, specifically applied to the main body of the tunnel kiln. The main body of the tunnel kiln is provided with an outer shell, and a combustion heating mechanism is provided on both the left and right sides of the outer shell. An installation assembly is installed on the lower right end face of the main body of the tunnel kiln, and a control box is installed on the right side of the installation assembly, with a controller installed inside the control box. Three temperature sensors are installed on the upper inside of the main body of the tunnel kiln, and an audible and visual alarm is installed on both the left and right sides of the top of the outer shell.

[0006] In at least some embodiments, the combustion heating mechanism includes a natural gas delivery pipeline, an electric flow valve, a natural gas diversion pipe fitting, a solenoid valve, a diversion housing, nozzles, and an ignition needle. The electric flow valve is connected to the rear end of the natural gas delivery pipeline, and the natural gas diversion pipe fitting is connected to the rear end of the electric flow valve. The natural gas diversion pipe fitting is fixedly installed outside the outer casing. Each of the four diversion ports of the natural gas diversion pipe fitting is connected to a solenoid valve, and the other end of each solenoid valve is connected to a diversion housing. The diversion housing is installed on the vertical surface inside the tunnel kiln body, and nozzles are uniformly arranged on the other side of the diversion housing. An ignition needle is provided on the diversion housing.

[0007] In at least some embodiments, the mounting assembly includes a fixing plate, support rods, a mounting plate, and a rock wool insulation board. The fixing plate is fixedly installed on the outside of the outer casing, and four support rods are fixedly connected to the other side of the fixing plate. The other end of the four support rods is fixedly connected to the mounting plate, and the outer end face of the mounting plate is fixedly connected to the rock wool insulation board. A control box is fixedly installed on the rock wool insulation board.

[0008] In at least some embodiments, the upper surface of the control box is provided with strip-shaped air outlets in a uniform pattern, and a dust cover is provided on the upper surface of the control box outside the strip-shaped air outlets. A rectangular air outlet is provided on both the front and rear sides of the dust cover, and a rectangular dustproof net is fixedly embedded inside each rectangular air outlet.

[0009] In at least some embodiments, a square air inlet is provided in the middle of the bottom end face of the control box, and a cooling fan is installed at the bottom of the square air inlet, with a circular dustproof net at the bottom of the cooling fan.

[0010] This utility model provides a device for monitoring the firing temperature of a tunnel kiln, which has the following beneficial effects:

[0011] 1. By setting up temperature sensors, controllers, and electric flow valves, the firing temperature can be monitored in real time during the ceramic firing process. The firing temperature is fed back to the controller, which automatically controls the opening of the electric flow valve. This allows for automatic regulation of the firing temperature inside the tunnel kiln, eliminating the need for manual adjustment of the sintering temperature. This not only saves time and effort in monitoring but also effectively avoids the problem of low precision in manual adjustment, thus preventing any impact on the quality of the ceramics during firing inside the tunnel kiln.

[0012] 2. By using rock wool insulation panels, the high heat generated during the firing process is not easily transferred to the control box, thus preventing the controller inside the control box from being in a high-temperature state for a long time, effectively improving the service life of the controller. It also has a simple structure, low cost, and strong practicality.

[0013] 3. By installing the cooling fan in the middle of the bottom surface of the control box, the control box can be cooled from bottom to top. Since hot air tends to rise, the cooling effect on the inside of the control box is improved. In addition, the dust cover effectively reduces the chance of external dust entering the control box and extends the service life of the controller. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0015] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the present invention.

[0016] In the attached diagram:

[0017] Figure 1 A structural schematic diagram from a first perspective of this application is shown;

[0018] Figure 2 A structural schematic diagram from a second perspective of this application is shown;

[0019] Figure 3 A schematic diagram of the combustion heating mechanism of this application is shown;

[0020] Figure 4 This application shows Figure 3 A magnified structural diagram of part A in the middle;

[0021] Figure 5 This paper shows a schematic diagram of the disassembled structure of the control box, dust cover, and rectangular dustproof net of this application;

[0022] Figure 6 A schematic diagram of the disassembled cooling fan and circular dust filter of this application is shown.

[0023] List of reference numerals

[0024] 1. Main body of the tunnel kiln; 101. Outer shell; 102. Audible and visual alarm; 103. Temperature sensor;

[0025] 2. Combustion heating mechanism; 201. Natural gas transmission pipeline; 202. Electric flow valve; 203. Natural gas diversion fitting; 204. Solenoid valve; 205. Diversion housing; 206. Nozzle; 207. Ignition needle;

[0026] 3. Installation components; 301. Fixing plate; 302. Support rod; 303. Mounting plate; 304. Rock wool insulation board;

[0027] 4. Control box; 401. Controller; 402. Dust cover; 403. Rectangular dustproof net; 404. Square air inlet; 405. Cooling fan; 406. Circular dustproof net. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] Example 1: Please refer to Figures 1 to 6 :

[0030] This utility model proposes a device for monitoring the firing temperature of a tunnel kiln. It is applied to the tunnel kiln body 1. The tunnel kiln body 1 is provided with an outer shell 101, and a combustion heating mechanism 2 is provided on both the left and right sides of the outer shell 101. An installation assembly 3 is installed on the lower right end face of the tunnel kiln body 1, and a control box 4 is installed on the right side of the installation assembly 3. A controller 401 is installed inside the control box 4. Three temperature sensors 103 are installed at the upper end of the tunnel kiln body 1. An audible and visual alarm 102 is installed on both the left and right sides of the top of the outer shell 101. When the firing temperature inside the tunnel kiln body 1 is too high, it can emit a warning sound and a warning light, which can effectively alert the staff.

[0031] The combustion heating mechanism 2 includes a natural gas transmission pipeline 201, an electric flow valve 202, a natural gas diversion pipe fitting 203, a solenoid valve 204, a diversion housing 205, a nozzle 206, and an ignition needle 207. The electric flow valve 202 is connected to the rear end of the natural gas transmission pipeline 201, and the natural gas diversion pipe fitting 203 is connected to the rear end of the electric flow valve 202. The natural gas diversion pipe fitting 203 is fixedly installed outside the outer shell 101. A solenoid valve 204 is connected to each of the four diversion ports of the natural gas diversion pipe fitting 203, and a diversion housing 205 is connected to the other end of each solenoid valve 204. The diversion housing 205 is installed on the vertical surface inside the tunnel kiln body 1, and nozzles 206 are evenly arranged on the other side of the diversion housing 205. An ignition needle 207 is provided on the diversion housing 205. The combustion heating mechanism 2 is used to fire ceramics.

[0032] The mounting assembly 3 includes a fixing plate 301, support rods 302, mounting plate 303, and rock wool insulation board 304. The fixing plate 301 is fixedly installed on the outside of the outer shell 101, and four support rods 302 are fixedly connected to the other side of the fixing plate 301. The mounting plate 303 is fixedly connected to the other end of the four support rods 302, and the rock wool insulation board 304 is fixedly connected to the outer end face of the mounting plate 303. The control box 4 is fixedly installed on the rock wool insulation board 304. The mounting assembly 3 is used to install the control box 4.

[0033] Example 2, based on Example 1, such as Figure 5 and Figure 6 As shown, the upper surface of the control box 4 has strip-shaped air outlets evenly distributed, and a dust cover 402 is installed on the upper surface of the control box 4 outside the strip-shaped air outlets. A rectangular air outlet is opened on both the front and rear sides of the dust cover 402, and a rectangular dustproof net 403 is fixedly embedded inside each rectangular air outlet. A square air inlet 404 is opened in the middle of the bottom surface of the control box 4, and a cooling fan 405 is installed at the bottom of the square air inlet 404. A circular dustproof net 406 is installed at the bottom of the cooling fan 405, which can effectively prevent the entry of external dust.

[0034] The working principle of this embodiment is as follows: In use, ceramics are transported to the tunnel kiln body 1 by a kiln car. Then, the electric flow valve 202 is opened by the controller 401, allowing natural gas from the natural gas pipeline 201 to enter the natural gas diversion pipe 203. Then, the number of solenoid valves 204 to be opened is selected according to the actual situation. When the corresponding solenoid valve 204 is opened, the natural gas from the natural gas diversion pipe 203 enters the corresponding diversion housing 205. Then, the natural gas is sprayed out through the nozzle 206 on the corresponding diversion housing 205. Subsequently, the controller 401 supplies power to the ignition needle 207, so that the natural gas sprayed through the nozzle 206 begins to burn, thereby firing the ceramics inside the tunnel kiln body 1.

[0035] During the ceramic firing process, the firing temperature is monitored in real time by the temperature sensor 103 and fed back to the controller 401. When the firing temperature is too high, the controller 401 automatically controls the operation of the electric flow valve 202, automatically reducing the opening of the electric flow valve 202, thereby reducing the amount of natural gas entering the diversion shell 205, thus lowering the firing temperature. Immediately afterwards, the controller 401 activates the audible and visual alarm 102, emitting a warning sound and a warning light to provide an effective warning to the staff. Conversely, when the firing temperature is too low, the controller 401 automatically controls the operation of the electric flow valve 202, automatically increasing the opening of the electric flow valve 202, thereby increasing the amount of natural gas entering the diversion shell 205, thus raising the firing temperature.

[0036] The following points should be noted in this article:

[0037] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0038] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0039] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A device for monitoring the firing temperature of a tunnel kiln, applied to the main body (1) of the tunnel kiln, wherein an outer shell (101) is provided on the outside of the main body (1), and a combustion heating mechanism (2) is provided on both the left and right sides of the outer shell (101); characterized in that, An installation assembly (3) is installed on the lower right end face of the tunnel kiln body (1), and a control box (4) is installed on the right side of the installation assembly (3), and a controller (401) is installed inside the control box (4); three temperature sensors (103) are installed on the upper inside of the tunnel kiln body (1), and an audible and visual alarm (102) is installed on the top left and right sides of the outer shell (101).

2. The device for monitoring the firing temperature of a tunnel kiln according to claim 1, characterized in that: The combustion heating mechanism (2) includes a natural gas pipeline (201), an electric flow valve (202), a natural gas diversion pipe fitting (203), a solenoid valve (204), a diversion housing (205), a nozzle (206), and an ignition needle (207). The rear end of the natural gas pipeline (201) is connected to the electric flow valve (202), and the rear end of the electric flow valve (202) is connected to the natural gas diversion pipe fitting (203). The natural gas diversion pipe fitting (203) is fixedly installed outside the outer shell (101). Each of the four diversion ports of the natural gas diversion pipe fitting (203) is connected to a solenoid valve (204), and the other end of each solenoid valve (204) is connected to a diversion housing (205). The diversion housing (205) is installed on the vertical surface inside the tunnel kiln body (1), and the other side of the diversion housing (205) is uniformly provided with nozzles (206), and the diversion housing (205) is provided with an ignition needle (207).

3. The device for monitoring the firing temperature of a tunnel kiln according to claim 1, characterized in that: The installation assembly (3) includes a fixing plate (301), a support rod (302), an installation plate (303), and a rock wool insulation board (304). The fixing plate (301) is fixedly installed on the outside of the outer shell (101), and four support rods (302) are fixedly connected to the other side of the fixing plate (301). The installation plate (303) is fixedly connected to the other end of the four support rods (302), and the rock wool insulation board (304) is fixedly connected to the outer end face of the installation plate (303). A control box (4) is fixedly installed on the rock wool insulation board (304).

4. The device for monitoring the firing temperature of a tunnel kiln according to claim 1, characterized in that: The upper surface of the control box (4) is uniformly provided with strip-shaped air outlets, and a dust cover (402) is provided on the upper surface of the control box (4) outside the strip-shaped air outlets. A rectangular air outlet is provided on both the front and rear sides of the dust cover (402), and a rectangular dustproof net (403) is fixedly embedded inside each rectangular air outlet.

5. The device for monitoring the firing temperature of a tunnel kiln according to claim 1, characterized in that: The control box (4) has a square air inlet (404) in the middle of the bottom surface, and a cooling fan (405) is installed at the bottom of the square air inlet (404), and a circular dustproof net (406) is provided at the bottom of the cooling fan (405).

Images