Infrared temperature measurement-based automatic adjusting system for firing zone of kiln

Abstract

The utility model discloses a kind of automatic adjusting system of kiln firing zone based on infrared temperature measurement, specifically related to kiln technical field, including firing zone, preheating zone and cooling zone, and preheating zone and cooling zone are respectively fixed in the both sides of firing zone, heat conduction component is set on firing zone, including heat conduction component includes air extractor, three-way air pipe, first air pipe, connecting box, second air pipe, hose, air outlet pipe and two solenoid valves, the inside fixed connection of preheating zone has U type board, mobile assembly is set on U type board.The utility model detects the temperature in preheating zone by two infrared temperature measurement ware main parts, stepper motor work drives two infrared temperature measurement ware main parts horizontal movement, adjust the position of two infrared temperature measurement ware main parts in preheating zone, simultaneously slider drives two air outlet pipes horizontal movement, release hot air to different positions in preheating zone by the front and back ends of air outlet pipe, it is easy to operate, it is convenient to adjust the position of hot air in preheating zone.

Description

Technical Field

[0001] This utility model relates to the field of kiln technology, and more specifically, to an automatic adjustment system for the firing zone of a kiln based on infrared temperature measurement. Background Technology

[0002] A kiln is a core piece of equipment used in industrial production for high-temperature firing of products. Its interior is divided into different zones according to temperature and process function. The firing zone is the highest temperature zone in the kiln and plays a decisive role in the firing quality of the product. In the firing zone, the material completes physical and chemical reactions to form the key properties of the final product. Kilns are widely used in industries such as ceramics, cement, and glass.

[0003] A search revealed that Chinese patent CN214502121U discloses an automatic control device for kiln ventilation. This utility model uses multiple heat exchange tubes installed at the top of the kiln chamber to provide a portion of the combustion air to the firing zone. The air is heated to a very high temperature when it reaches the firing zone, thus saving energy. The bottom of the heat exchange tubes is provided with a concave platform with an isosceles triangular cross-section, and the upper two sides are provided with inclination angles to improve the heat exchange efficiency.

[0004] When the firing zone of the kiln is in use, the second exhaust pipe draws air outward, which can carry some of the heat in the firing zone to the preheating zone through hot air. However, it is not convenient to adjust the position of the hot air in the preheating zone. When there is insufficient hot air near the inlet of the preheating zone, the clay blanks will not be preheated sufficiently. After entering the firing zone, they will crack due to the large temperature difference. When hot air accumulates near the firing zone, it will cause local overheating of the preheating zone, prematurely triggering the softening of low-melting-point minerals and affecting the subsequent firing quality. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides an automatic adjustment system for the firing zone of a kiln based on infrared temperature measurement, which aims to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic adjustment system for the firing zone of a kiln based on infrared temperature measurement, comprising a firing zone, a preheating zone, and a cooling zone, wherein the preheating zone and the cooling zone are respectively fixedly installed on both sides of the firing zone. A heat-conducting component is provided on the firing zone, including an exhaust fan, a three-way air pipe, a first air pipe, a connecting box, a second air pipe, a flexible hose, an exhaust pipe, and two solenoid valves. A U-shaped plate is fixedly connected inside the preheating zone. A moving component is provided on the U-shaped plate, comprising a lead screw, a slider, two sliding rods, a first bevel gear, a second bevel gear, a stepper motor, and a support plate. Both ends of the lead screw are movably connected to the U-shaped plate via bearings, and the lead screw is threadedly connected to the slider. One end of each of the two sliding rods passes through the slider and is fixedly connected to the U-shaped plate. The first bevel gear is fixedly sleeved on the lead screw, and the first bevel gear meshes with the second bevel gear. Infrared thermometer bodies are fixedly connected to the front and rear edges of the bottom end of the slider.

[0007] Furthermore, one side of the support plate is fixedly connected to the U-shaped plate, the bottom end of the stepper motor is fixedly connected to the support plate, and the output shaft end of the stepper motor is fixedly connected to the second bevel gear.

[0008] Furthermore, the bottom end of the three-way air pipe is fixedly connected to the firing zone, and the other end of the three-way air pipe is fixedly connected to the exhaust fan. The bottom end of the exhaust fan is fixedly connected to the firing zone, and the output end of the exhaust fan is fixedly connected to the first air pipe. The other end of the first air pipe is fixedly connected to the connecting box, and the bottom end of the connecting box is fixedly connected to the preheating zone.

[0009] Furthermore, the two ends of the second air tube are fixedly connected to the connecting box and the hose respectively, and the second air tube is fixedly connected to the top of the preheating zone. One end of the hose is fixedly connected to the air outlet tube, and the air outlet tube is fixedly installed on the top of the slider.

[0010] Furthermore, both solenoid valves are fixedly installed on the air outlet pipe, and the two solenoid valves are located on the front and rear sides of the hose, respectively.

[0011] As can be seen, in the above technical solution, closing one of the solenoid valves allows hot air to be discharged only through one end.

[0012] Furthermore, a control valve is fixedly installed on the three-way air pipe.

[0013] As can be seen, in the above technical solution, the external pipe is connected to the three-way air pipe, and then the control valve is opened, and the hot air in the firing zone is discharged through the other end of the three-way air pipe.

[0014] Furthermore, a sealing cover is movably connected to the top of the connecting box via a snap fastener, and two activated carbon plates are movably disposed at the bottom of the sealing cover.

[0015] As can be seen, in the above technical solution, the latch is opened to release the lock between the sealing cover and the connecting box, the sealing cover is removed, and the two activated carbon plates inside the connecting box are disassembled and replaced.

[0016] The technical effects and advantages of this utility model are as follows:

[0017] 1. This utility model uses two infrared thermometers to detect the temperature inside the preheating zone. The stepper motor drives the two infrared thermometers to move horizontally. The position of the two infrared thermometers inside the preheating zone can be adjusted as needed. At the same time, the slider drives the two air outlets to move horizontally, releasing hot air to different positions inside the preheating zone through the front and rear ends of the air outlets. The operation is simple and the position of the hot air inside the preheating zone can be easily adjusted.

[0018] 2. This utility model uses an exhaust fan to draw hot air from the firing zone through a three-way air pipe and inject it into the connecting box through the first air pipe. Two activated carbon plates filter and purify the hot air. The filtered and purified hot air enters the flexible hose through the second air pipe and is finally discharged through the front and rear ends of the exhaust pipe. Closing one of the solenoid valves allows the hot air to be discharged only through one end. The structure is simple and easy to use. Attached Figure Description

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the assembly structure of the heat-conducting component and the U-shaped plate of this utility model;

[0022] Figure 3 This is a schematic diagram of the thermal conductive component structure of this utility model;

[0023] Figure 4 This is a cross-sectional view of the U-shaped plate and a schematic diagram of the assembly structure of the moving component of this utility model;

[0024] Figure 5 For the present utility model Figure 4 Schematic diagram of structure A in the middle.

[0025] In the diagram: 1. Firing zone; 2. Preheating zone; 3. Cooling zone; 4. Heat-conducting component; 5. Sealing cover; 6. U-shaped plate; 7. Moving component; 8. Infrared thermometer body; 9. Activated carbon plate; 401. Exhaust fan; 402. Three-way air pipe; 403. First air pipe; 404. Connecting box; 405. Second air pipe; 406. Hose; 407. Air outlet pipe; 408. Solenoid valve; 409. Control valve; 701. Lead screw; 702. Slider; 703. Slide rod; 704. First bevel gear; 705. Second bevel gear; 706. Stepper motor; 707. Support plate. Detailed Implementation

[0026] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] Refer to the instruction manual appendix Figure 1-5 This embodiment describes an automatic adjustment system for the firing zone of a kiln based on infrared temperature measurement. It includes a firing zone 1, a preheating zone 2, and a cooling zone 3, with the preheating zone 2 and cooling zone 3 fixedly installed on both sides of the firing zone 1. A heat-conducting assembly 4 is installed on the firing zone 1, comprising an exhaust fan 401, a three-way air pipe 402, a first air pipe 403, a connecting box 404, a second air pipe 405, a flexible hose 406, an exhaust pipe 407, and two solenoid valves 408. A U-shaped plate 6 is fixedly connected inside the preheating zone 2, and a moving assembly 7 is installed on the U-shaped plate 6. The moving assembly 7 includes a lead screw 70. 1. A slider 702, two sliding rods 703, a first bevel gear 704, a second bevel gear 705, a stepper motor 706, and a support plate 707. Both ends of the lead screw 701 are movably connected to the U-shaped plate 6 through bearings, and the lead screw 701 is threadedly connected to the slider 702. One end of each of the two sliding rods 703 passes through the slider 702 and is fixedly connected to the U-shaped plate 6. The first bevel gear 704 is fixedly sleeved on the lead screw 701, and the first bevel gear 704 meshes with the second bevel gear 705. An infrared thermometer body 8 is fixedly connected to the front and rear edges of the bottom end of the slider 702.

[0028] Furthermore, one side of the support plate 707 is fixedly connected to the U-shaped plate 6, the bottom end of the stepper motor 706 is fixedly connected to the support plate 707, and the output shaft end of the stepper motor 706 is fixedly connected to the second bevel gear 705.

[0029] Furthermore, the bottom end of the three-way air pipe 402 is fixedly connected to the firing zone 1, and the other end of the three-way air pipe 402 is fixedly connected to the exhaust fan 401. The bottom end of the exhaust fan 401 is fixedly connected to the firing zone 1, and the output end of the exhaust fan 401 is fixedly connected to the first air pipe 403. The other end of the first air pipe 403 is fixedly connected to the connecting box 404. The bottom end of the connecting box 404 is fixedly connected to the preheating zone 2. The two ends of the second air pipe 405 are fixedly connected to the connecting box 404 and the hose 406, respectively. The air pipe 405 is fixedly connected to the top of the preheating zone 2. One end of the hose 406 is fixedly connected to the air outlet pipe 407. The air outlet pipe 407 is fixedly installed on the top of the slider 702. Two solenoid valves 408 are fixedly installed on the air outlet pipe 407, and the two solenoid valves 408 are located on the front and rear sides of the hose 406 respectively. A control valve 409 is fixedly installed on the three-way air pipe 402. The top of the connecting box 404 is movably connected to the sealing cover plate 5 by a snap fastener. Two activated carbon plates 9 are movably arranged at the bottom of the sealing cover plate 5.

[0030] The process involves starting the exhaust fan 401, which draws hot air from the firing zone 1 through the three-way air pipe 402 and injects it into the connecting box 404 through the first air pipe 403. Two activated carbon plates 9 filter and purify the hot air. The latch is opened to release the lock between the sealing cover 5 and the connecting box 404. The sealing cover 5 is removed, and the two activated carbon plates 9 in the connecting box 404 are disassembled and replaced. The filtered and purified hot air enters the hose 406 through the second air pipe 405 and is finally discharged through both ends of the exhaust pipe 407. One of the solenoid valves 408 is closed so that the hot air can only be discharged through one end. The structure is simple and easy to use. The external pipe is connected to the three-way air pipe 402, and then the control valve 409 is opened, and the hot air in the firing zone 1 is discharged through the other end of the three-way air pipe 402.

[0031] The usage method of this embodiment is as follows:

[0032] In use, the temperature inside the preheating zone 2 is detected by two infrared thermometer bodies 8. The stepper motor 706 is started, driving the second bevel gear 705 to rotate, which in turn drives the first bevel gear 704 and the lead screw 701 to rotate. Since the lead screw 701 is threadedly connected to the slider 702, and the two sliding rods 703 restrict the rotation of the slider 702, the lead screw 701 can drive the slider 702 to move horizontally, thereby driving the two infrared thermometer bodies 8 to move horizontally. The position of the two infrared thermometer bodies 8 inside the preheating zone 2 can be adjusted as needed. Simultaneously, the slider 702 drives the two air outlet pipes 407 to move horizontally, releasing hot air to different positions inside the preheating zone 2 through the front and rear ends of the air outlet pipes 407. The operation is simple and the position of the hot air inside the preheating zone 2 is easy to adjust. It is worth noting that the infrared thermometer bodies 8 calculate the surface temperature of the object by detecting the infrared energy wavelength range of 8-14μm radiated from the object's surface, combined with the object's emissivity parameters, such as the emissivity of a ceramic blank (approximately 0.9-0.95).

[0033] All contents not described in detail in the specification are existing technologies known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited; conventional equipment can be used. Electrical control components not mentioned in this technical solution are not shown in the figures because they are existing technologies, and will not be described here.

[0034] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A kiln firing zone automatic adjustment system based on infrared temperature measurement, comprising a firing zone (1), a preheating zone (2) and a cooling zone (3), and the preheating zone (2) and the cooling zone (3) are respectively fixed on both sides of the firing zone (1), characterized in that: The sintering zone (1) is provided with a heat conduction assembly (4), which comprises an air extractor (401), a three-way air pipe (402), a first air pipe (403), a connecting box (404), a second air pipe (405), a hose (406), an air outlet pipe (407), and two electromagnetic valves (408).

2. The infrared temperature measurement-based automatic adjustment system for a kiln firing zone according to claim 1, characterized in that: The inside of the preheating zone (2) is fixedly connected with a U-shaped plate (6), the U-shaped plate (6) is provided with a moving assembly (7), the moving assembly (7) comprises a lead screw (701), a sliding block (702), two sliding rods (703), a first bevel gear (704), a second bevel gear (705), a stepping motor (706), and a support plate (707), both ends of the lead screw (701) are movably connected with the U-shaped plate (6) through bearings, and the lead screw (701) is threadedly connected with the sliding block (702), one end of each of the two sliding rods (703) penetrates through the sliding block (702) and is fixedly connected with the U-shaped plate (6), the first bevel gear (704) is fixedly sleeved on the lead screw (701), and the first bevel gear (704) is engaged with the second bevel gear (705), and the bottom of the sliding block (702) is fixedly connected with an infrared temperature detector main body (8) at the front and rear edge positions.

3. The infrared temperature measurement-based automatic adjustment system for a kiln firing zone according to claim 1, characterized in that: One side of the support plate (707) is fixedly connected with the U-shaped plate (6), the bottom of the stepping motor (706) is fixedly connected with the support plate (707), and the output shaft end of the stepping motor (706) is fixedly connected with the second bevel gear (705).

4. The infrared temperature measurement-based automatic adjustment system for a kiln firing zone according to claim 1, characterized in that: The bottom of the three-way air pipe (402) is fixedly communicated with the sintering zone (1), the other end of the three-way air pipe (402) is fixedly communicated with the air extractor (401), the bottom of the air extractor (401) is fixedly connected with the sintering zone (1), the output end of the air extractor (401) is fixedly communicated with the first air pipe (403), the other end of the first air pipe (403) is fixedly communicated with the connecting box (404), and the bottom of the connecting box (404) is fixedly communicated with the preheating zone (2).

5. The infrared temperature measurement-based automatic adjustment system for a kiln firing zone according to claim 1, characterized in that: The two ends of the second air pipe (405) are fixedly communicated with the connecting box (404) and the hose (406) respectively, the second air pipe (405) is fixedly connected with the top of the preheating zone (2), one end of the hose (406) is fixedly communicated with the air outlet pipe (407), and the air outlet pipe (407) is fixedly installed at the top of the sliding block (702).

6. The infrared temperature measurement-based automatic adjustment system for a kiln firing zone according to claim 1, characterized in that: The two electromagnetic valves (408) are fixedly installed on the air outlet pipe (407), and the two electromagnetic valves (408) are located on the front and rear sides of the hose (406) respectively.

7. The infrared temperature measurement based automatic regulating system for a kiln firing zone according to claim 1, characterized in that: The three-way air pipe (402) is fixedly installed with a control valve (409). The top of the connecting box (404) is movably connected with a sealing cover plate (5) through buckles, and the bottom of the sealing cover plate (5) is movably provided with two activated carbon plates (9).

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