A low-temperature frit firing device

Abstract

The present invention discloses a low-temperature frit firing device, belonging to the field of kiln equipment, which includes a frit tank kiln, a feeding mechanism, a burner, a discharging mechanism and a water circulation unit; a combustion channel, a melting pool and a discharging channel are successively connected and communicated in the frit tank kiln, a discharging gap is provided in the discharging channel, the size of the discharging gap is adjustable, the bottom surface of the melting pool is inclined downward from the end close to the combustion channel to the end close to the discharging channel, and a liquid level adjusting plate is further provided between the end of the melting pool and the discharging channel, and the vertical height of the liquid level adjusting plate is adjustable. The frit tank kiln is used for firing the flux, reducing the amount of dust generated during the high-temperature turning process, thereby effectively reducing environmental pollution. The device is also provided with a feeding mechanism, a burner, a discharging mechanism and a water circulation unit, realizing the full-automatic process from raw material feeding to flux quenching and output, reducing manual intervention, improving production efficiency and ensuring the stability of product quality.

Description

Technical Field

[0001] The present invention relates to the technical field of kiln equipment, and particularly to a low-temperature frit firing device. Background Art

[0002] In the production process of glass ink, the preparation of the flux is a key link, and its quality and preparation efficiency directly affect the performance and application effect of the subsequent glass ink. The traditional production method of the glass ink flux is to use a rotary kiln for firing. However, there are many problems with the firing method using a rotary kiln. First, during the firing process of the rotary kiln, due to the flipping of the materials and the high-temperature effect, a large amount of dust is easily generated, which not only pollutes the environment but also threatens the health of the operating workers. Second, the thermal efficiency of the rotary kiln is relatively low, and a large amount of energy is required to maintain the high-temperature environment in the furnace, resulting in an increase in production costs and not meeting the current requirements of energy conservation and emission reduction. In addition, the traditional firing method has a lot of manual intervention, limited production efficiency, and low automation level. Summary of the Invention

[0003] The purpose of the present invention is to provide a low-temperature frit firing device to solve one or more of the technical problems in the above background art.

[0004] To achieve this purpose, the present invention adopts the following technical solutions:

[0005] A low-temperature frit firing device includes a frit tank kiln, a feeding mechanism, a burner, a discharging mechanism, and a water circulation unit; a combustion channel, a melting pool, and a discharging channel are sequentially connected and communicated inside the frit tank kiln, a discharging gap is provided in the discharging channel, the size of the discharging gap is adjustable, the bottom surface of the melting pool is inclined downward from the end close to the combustion channel to the end close to the discharging channel, a liquid level adjusting plate is further provided between the end of the melting pool and the discharging channel, the vertical height of the liquid level adjusting plate is adjustable, a feeding port is further provided on one side of the melting pool, the installation heights of the combustion channel, the discharging channel, and the feeding port are all higher than the bottom surface of the melting pool, the burner is arranged at one end of the frit tank kiln, the output end of the burner is communicated with the melting pool through the combustion channel, the output end of the feeding mechanism corresponds to the feeding port, the discharging mechanism is arranged below the discharging gap, the discharging mechanism is used for quenching the flux discharged from the melting pool and continuously lifting and conveying it to the outside after quenching, and the water circulation unit is communicated with the discharging mechanism.

[0006] Preferably, the frit tank furnace includes a furnace body made of high-alumina bricks and an inclined bottom plate. The combustion channel, the melting pool, and the discharging channel are formed inside the furnace body. The inner diameter of the combustion channel gradually increases from one end of the frit tank furnace to the end close to the melting pool. The inclined bottom plate is arranged at the bottom of the melting pool, so that the bottom surface of the melting pool is inclined downward from the end close to the combustion channel to the end close to the discharging channel. The inclined bottom plate is paved with electrofused zirconia corundum bricks, and the bottom of the inclined bottom plate is filled with heat-insulating filler. The top of the melting pool and the top of the discharging channel are respectively provided with a first heat-insulating layer and a second heat-insulating layer, and both the first heat-insulating layer and the second heat-insulating layer are made of heat-insulating bricks.

[0007] Preferably, the frit tank furnace further includes a discharging assembly, which includes a discharging valve opening, a lifting valve core, and a first lifting component. The discharging valve opening is vertically arranged in the discharging channel, and the opening area of the discharging valve opening gradually decreases from top to bottom. The first lifting component is arranged in the discharging channel, the lifting valve core is arranged at the lifting end of the first lifting component, and is arranged opposite to the discharging valve opening up and down. A discharging gap is formed between the inner side of the lifting valve core and the discharging valve opening. When the first lifting component drives the lifting valve core to move up and down, the discharging gap changes in size.

[0008] Preferably, the frit tank furnace further includes a liquid level adjusting assembly, which includes a liquid level adjusting plate, a second lifting component, and an infrared sensor. A rear furnace wall is arranged between the melting pool and the discharging channel. One side of the liquid level adjusting plate is attached to the rear furnace wall. The second lifting component is arranged above the melting pool, and the liquid level adjusting plate is arranged at the lifting end of the second lifting component. A horizontal bottom section is further arranged at the bottom of the melting pool, and the horizontal bottom section is connected to the end of the inclined bottom plate. The liquid level adjusting plate is arranged opposite to the horizontal bottom section up and down. The second lifting component is used to drive the liquid level adjusting plate to move up and down to adjust the height of the liquid level adjusting plate. The infrared sensor is arranged above the discharging channel, and the infrared sensor is used to detect the liquid level height of the discharging channel.

[0009] Preferably, the discharging mechanism includes a quenching pool, a discharging elevator, and a discharging bin. The quenching pool includes a quenching hopper and a quenching water tank. The quenching hopper is arranged below the discharging port, and one side of the quenching hopper is communicated with the quenching water tank. The feeding end of the discharging elevator extends into the quenching water tank, and the discharging end of the elevator is connected to the discharging bin. A plurality of nozzles are arranged at the top of the quenching hopper. The return water end of the water circulation unit is communicated with the bottom of the quenching water tank, and the water outlet end of the water circulation unit is connected to the plurality of nozzles.

[0010] Preferably, the discharge elevator includes a lifting motor, a driving wheel, a driven wheel, a conveyor belt and a plurality of lifting discs. The driving wheel and the driven wheel are arranged vertically. The driven wheel is arranged inside the quenching water tank. The rotating shaft end of the lifting motor is connected to the driving wheel. The conveyor belt meshes with the driving wheel and the driven wheel. A plurality of the lifting discs are arranged outside the conveyor belt. When the lifting motor drives the driving wheel to rotate, the conveyor belt drives the plurality of lifting discs to pass through the bottom end of the quenching hopper one by one from bottom to top. A first guiding plate which is inclined is further arranged at the bottom of the quenching hopper. The bottom end of the first guiding plate extends to a position close to the lifting disc. A filter plate is arranged inside the quenching tank. The filter plate is arranged on the movement track of the lifting disc and is in contact with the outer side of the lifting disc.

[0011] Preferably, an arc section which gradually transitions upward from the end close to the driven wheel to the end close to the quenching hopper is arranged at the bottom of the lifting disc. A plurality of water draining holes are formed in the bottom of the lifting disc. The discharge bin is arranged on one side of the driving wheel. A second guiding plate which is inclined is further arranged between the driving wheel and the discharge bin. The top end of the second guiding plate is connected to the movement track of the lifting disc. The bottom end of the second guiding plate extends to a position close to the discharge bin. A discharge unit is arranged at the bottom of the discharge bin.

[0012] Preferably, the frit tank furnace further includes a heat supply end thermocouple, a first melting pool thermocouple, a second melting pool thermocouple and a discharge end thermocouple. The heat supply end thermocouple is arranged in the combustion channel. The first melting pool thermocouple is arranged at the melting pool close to the combustion channel. The second melting pool thermocouple is arranged at the melting pool close to the discharging channel. The discharge end thermocouple is arranged in the discharging channel.

[0013] Preferably, the quenching pool further includes a water inlet temperature sensor, a water return temperature sensor and an infrared temperature sensor. The water inlet temperature sensor is arranged at the bottom of the quenching water tank. The water return temperature sensor is arranged at the starting end of the spray head. The infrared temperature sensor is arranged at the bottom of the first guiding plate. The water inlet temperature sensor is used for collecting the water temperature of the cooling water in the quenching water tank. The water return temperature sensor is used for collecting the water temperature of the cooling water sprayed out by the spray head. The infrared temperature sensor is used for collecting the temperature of the first guiding plate. The cooling capacity and the water output of the water circulation unit are adjusted according to the data collected by the water inlet temperature sensor, the water return temperature sensor and the infrared temperature sensor.

[0014] Preferably, the feeding mechanism includes a feeding motor, a feeding cylinder, a feeding screw and a heating coil. The feeding motor is arranged at one end of the feeding cylinder, the other end of the feeding cylinder corresponds to the feeding port, the feeding screw is arranged inside the feeding cylinder, one end of the feeding screw is connected to the rotating shaft end of the feeding motor, the heating coil covers the outside of the feeding cylinder, a centrifugal fan is arranged at the bottom of the heating coil, and a radially arranged feeding box is further arranged on the feeding cylinder.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: Compared with the rotary kiln furnace in the prior art, the low-temperature frit firing device of the present invention uses a frit tank furnace to fire the flux, reducing the amount of dust generated during the high-temperature flipping process, thus effectively reducing environmental pollution. At the same time, it also greatly reduces the threat to the health of operating workers and improves the working environment. A liquid level adjusting plate and a discharge gap with adjustable discharge are provided in the melting tank furnace, realizing more efficient heat energy utilization and reducing energy waste. This device is also equipped with a feeding mechanism, a burner, a discharging mechanism and a water circulation unit, realizing a fully automated process from raw material feeding to frit quenching and output, reducing manual intervention, improving production efficiency, and ensuring the stability of product quality. Brief Description of the Drawings

[0016] The drawings further illustrate the present invention, but the content in the drawings does not constitute any limitation to the present invention.

[0017] Figure 1 It is a schematic diagram of the overall structure of one embodiment of the present invention;

[0018] Figure 2 It is a schematic diagram of the internal structure of the frit tank furnace of one embodiment of the present invention;

[0019] Figure 3 It is a schematic diagram of the internal structure of the discharging mechanism of one embodiment of the present invention;

[0020] Figure 4 It is a schematic diagram of the internal structure of the lifting disc of one embodiment of the present invention.

[0021] Wherein: 1. frit tank furnace; 2. feeding mechanism; 3. burner; 4. discharging mechanism; 111. combustion channel; 112. melting bath; 113. discharging channel; 114. discharging gap; 131. liquid level adjusting plate; 11. furnace body; 115. high-alumina brick; 116. feeding port; 12. inclined bottom plate; 14. heat-insulating filler; 15. first heat-insulating layer; 16. second heat-insulating layer; 171. discharging valve port; 172. lifting valve core; 117. rear pool wall; 41. quenching bath; 42. discharging elevator; 43. discharging bin; 411. quenching hopper; 412. quenching water tank; 413. spray head; 421. lifting motor; 422. driving wheel; 423. driven wheel; 424. conveyor belt; 425. lifting tray; 414. first guiding plate; 426. arc section; 427. draining hole; 428. filter plate; 431. second guiding plate; 432. discharging unit; 21. feeding motor; 22. feeding cylinder; 23. heating coil; 24. centrifugal fan; 25. feeding box. Detailed implementation mode

[0022] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation modes.

[0023] A low-temperature frit firing device according to this embodiment, referring to the attached Figure 1 and 2 figures, includes a frit tank furnace 1, a feeding mechanism 2, a burner 3, a discharging mechanism 4 and a water circulation unit; a combustion channel 111, a melting bath 112 and a discharging channel 113 are sequentially connected and communicated in the frit tank furnace 1, a discharging gap 114 is provided in the discharging channel 113, the size of the discharging gap 114 is adjustable, the bottom surface of the melting bath 112 is inclined downward from the end close to the combustion channel 111 to the end close to the discharging channel 113, a liquid level adjusting plate 131 is further provided between the end of the melting bath 112 and the discharging channel 113, the vertical height of the liquid level adjusting plate 131 is adjustable, a feeding port 116 is further provided on one side of the melting bath 112, the installation heights of the combustion channel 111, the discharging channel 113 and the feeding port 116 are all higher than the bottom surface of the melting bath 112, the burner 3 is arranged at one end of the frit tank furnace 1, the output end of the burner 3 communicates with the melting bath 112 through the combustion channel 111, the output end of the feeding mechanism 2 corresponds to the feeding port 116, the discharging mechanism 4 is arranged below the discharging gap 114, the discharging mechanism 4 is used for quenching the flux discharged from the melting bath 112 and continuing to lift and convey it to the outside after quenching, and the water circulation unit is communicated with the discharging mechanism 4.

[0024] The low-temperature frit firing device of this embodiment, compared with the rotary kiln furnace in the prior art, uses a frit tank furnace 1 to fire the flux, reducing the amount of dust generated during the high-temperature flipping process, thus effectively reducing environmental pollution. At the same time, it also greatly reduces the threat to the health of operating workers and improves the working environment. The melting pool 112 of the furnace is provided with a liquid level adjusting plate 131 and a discharge gap 114 with adjustable discharge, achieving more efficient heat energy utilization and reducing energy waste. The inclined setting of the melting pool 112, the adjustable vertical height of the liquid level adjusting plate 131, and the adjustable size of the discharge gap 114 enable this device to meet more production requirements. Operators can adjust the production parameters according to actual needs to meet the production of glass ink fluxes of different specifications and qualities. This device is also equipped with a feeding mechanism 2, a burner 3, a discharging mechanism 4, and a water circulation unit, realizing a fully automated process from raw material feeding to flux quenching and output, reducing manual intervention, improving production efficiency, and ensuring the stability of product quality. Through the heat supply of the burner 3 and the quenching treatment provided by the discharging mechanism 4 and the water circulation unit, the quality and performance stability of the produced glass ink flux are ensured.

[0025] Preferably, the frit tank furnace 1 includes a furnace body 11 built with high-alumina bricks 115 and an inclined bottom plate 12. A combustion channel 111, a melting pool 112, and a discharge channel 113 are formed inside the furnace body 11. The inner diameter of the combustion channel 111 gradually increases from one end of the frit tank furnace 1 towards the end close to the melting pool 112. The inclined bottom plate 12 is arranged at the bottom of the melting pool 112, so that the bottom surface of the melting pool 112 is inclined downward from the end close to the combustion channel 111 towards the end close to the discharge channel 113. The inclined bottom plate 12 is laid with electrofused zirconium corundum bricks, and the bottom of the inclined bottom plate 12 is filled with heat-insulating filler 14. The top of the melting pool 112 and the top of the discharge channel 113 are respectively provided with a first heat-insulating layer 15 and a second heat-insulating layer 16, and both the first heat-insulating layer 15 and the second heat-insulating layer 16 are built with heat-insulating bricks.

[0026] The kiln body 11 is built with high-aluminum bricks 115. By utilizing the good high-temperature resistance and thermal stability of the high-aluminum bricks 115, the structural strength and stability of the kiln body 11 are ensured under long-term high-temperature working conditions. The inclined bottom plate 12 is laid with electrofused zirconia corundum bricks. By using the wear resistance, corrosion resistance, and high-temperature resistance of the electrofused zirconia corundum brick material, it can withstand the erosion and corrosion of the high-temperature materials in the melting pool 112, extending the service life of the kiln furnace. By setting the inclined bottom plate 12, the bottom surface of the melting pool 112 is formed to be inclined downward from the end close to the combustion channel 111 to the end close to the discharge channel 113, enabling the high-temperature materials to flow naturally and be evenly distributed in the melting pool 112, reducing the residence time of the materials in the melting pool 112, improving the melting efficiency, and ensuring the full melting of the high-temperature materials. By filling the heat-insulating filler 14 at the bottom of the inclined bottom plate 12, not only the heat loss of the melting pool 112 is reduced, improving the thermal efficiency of the kiln furnace, but also the installation of the inclined bottom plate 12 is facilitated. During installation, first, a downward-inclined plane is formed at the bottom of the melting pool 112 by laying the heat-insulating filler 14, and then the electrofused zirconia corundum bricks are hoisted onto this plane to form the inclined bottom plate 12. By respectively arranging a first heat-insulating layer 15 and a second heat-insulating layer 16 made of heat-insulating bricks at the top of the melting pool 112 and the top of the discharge channel 113, among which, the formation of the first heat-insulating layer 15 can reduce the heat dissipation at the top of the melting pool 112, keeping the temperature in the melting pool 112 stable and contributing to the full melting of the flux. The formation of the second heat-insulating layer 16 can reduce the heat dissipation in the discharge channel 113, ensuring that the flux maintains an appropriate temperature during the discharge process. By setting the inner diameter of the combustion channel 111 to gradually increase from one end of the frit melting pool kiln furnace 1 to the end close to the melting pool 112, the combustion gas expands gradually in the combustion channel 111, mixes more fully with the air, burns more completely, and improves the combustion efficiency.

[0027] Preferably, the frit melting pool kiln furnace 1 further includes a discharge assembly. The discharge assembly includes a discharge valve opening 171, a lifting valve core 172, and a first lifting component. The discharge valve opening 171 is vertically arranged in the discharge channel 113, and the opening area of the discharge valve opening 171 gradually decreases from top to bottom. The first lifting component is arranged in the discharge channel 113, the lifting valve core 172 is arranged at the lifting end of the first lifting component, and is arranged opposite to the discharge valve opening 171 up and down. A discharge gap 114 is formed between the inner side of the lifting valve core 172 and the discharge valve opening 171. When the first lifting component drives the lifting valve core 172 to move up and down, the discharge gap 114 changes to increase or decrease.

[0028] By setting the discharge valve opening 171 vertically in the discharge channel 113 and setting the opening area to gradually decrease from top to bottom, the high-temperature materials can be subjected to an increasing resistance during the discharge process, thus flowing out more smoothly and improving the stability of the discharge.

[0029] By arranging a lifting valve core 172 at the lifting end of the first lifting component, the lifting valve core 172 is arranged opposite to the discharge valve port 171 up and down, and the shape and size of the lifting valve core 172 match those of the discharge valve port 171. Thus, driven by the first lifting component, the lifting valve core 172 moves up and down, thereby adjusting the gap between the lifting valve core 172 and the discharge valve port 171, that is, the size of the discharge gap 114, facilitating operators or automated programs to flexibly adjust the discharge gap 114 according to production requirements and realizing the continuous and stable discharge of the flux. When it is necessary to increase the discharge amount, the lifting valve core 172 can be raised to increase the discharge gap 114; when it is necessary to reduce the discharge amount or stop discharging, the lifting valve core 172 can be lowered to reduce or close the discharge gap 114, realizing the automatic control of the discharge amount.

[0030] Preferably, the frit tank furnace 1 further includes a liquid level adjusting assembly. The liquid level adjusting assembly includes a liquid level adjusting plate 131, a second lifting component, and an infrared sensor. A rear pool wall 117 is provided between the melting pool 112 and the discharge channel 113. One side of the liquid level adjusting plate 131 is attached to the rear pool wall 117. The second lifting component is arranged above the melting pool 112, and the liquid level adjusting plate 131 is arranged at the lifting end of the second lifting component. A horizontal pool bottom section is further provided at the bottom of the melting pool 112, and the horizontal pool bottom section is connected to the end of the inclined bottom plate 12. The liquid level adjusting plate 131 is arranged opposite to the horizontal pool bottom section up and down. The second lifting component is used to drive the liquid level adjusting plate 131 to lift and move to adjust the height of the liquid level adjusting plate 131. The infrared sensor is arranged above the discharge channel 113, and the infrared sensor is used to detect the liquid level height of the discharge channel 113.

[0031] By arranging the liquid level adjusting plate 131 at the lifting end of the second lifting component, the height adjustment of the liquid level adjusting plate 131 is realized under the drive of the second lifting component, thereby controlling the liquid level height in the melting pool 112, and ensuring that the flux is discharged in a timely manner after reaching the ideal state. By arranging a horizontal pool bottom section connected to the end of the inclined bottom plate 12 at the bottom of the melting pool 112, the liquid level adjusting plate 131 can be fitted to the bottom of the melting pool 112 when in the low position. By arranging an infrared sensor above the discharge channel 113, the liquid level height of the discharge channel 113 is detected in real time, so as to obtain the liquid level condition of the flux in the melting pool 112 in real time, which is convenient for adjusting the height of the liquid level adjusting plate 131. During the melting process, the lifting stroke of the second lifting component is controlled through the feedback of the liquid level height of the discharge channel 113 by the infrared sensor, thereby adjusting the height of the liquid level adjusting plate 131. When the liquid level height is too high, the second lifting component is driven to rise, so that the liquid level adjusting plate 131 rises, reducing the inflow of the flux in the melting pool 112 into the discharge channel 113; while when the liquid level height is too low, the second lifting component is driven to descend, so that the liquid level adjusting plate 131 descends, increasing the inflow of the flux in the melting pool 112 into the discharge channel 113, realizing feedback adjustment, and ensuring that the liquid level height in the melting pool 112 always remains within the set target range.

[0032] Preferably, referring to the attached Figure 3 and 4 The discharging mechanism 4 includes a quenching pool 41, a discharging elevator 42 and a discharging bin 43. The quenching pool 41 includes a quenching hopper 411 and a quenching water tank 412. The quenching hopper 411 is arranged below the discharging port. One side of the quenching hopper 411 is communicated with the quenching water tank 412. The feeding end of the discharging elevator 42 extends into the quenching water tank 412, and the discharging end of the elevator is connected to the discharging bin 43. A plurality of nozzles 413 are arranged at the top of the quenching hopper 411. The return water end of the water circulation unit is communicated with the bottom of the quenching water tank 412, and the water outlet end of the water circulation unit is connected to the plurality of nozzles 413.

[0033] The quenching hopper 411 is arranged below the discharging port and is used to receive the high-temperature flux discharged from the melting pool 112. Under the guidance of the quenching hopper 411, the flux is guided into the quenching water tank 412, so that the flux is fully in contact with the cooling water, providing a continuous cooling effect for the flux. By arranging a plurality of nozzles 413 at the top of the quenching hopper 411, when discharging, the nozzles 413 uniformly spray the cooling water on the flux, realizing a fast and uniform cooling effect, and also realizing the circulation of the cooling water. By extending the feeding end of the discharging elevator 42 into the quenching water tank 412, the flux cooled in the quenching water tank 412 can be lifted to the discharging bin 43 connected to the discharging end of the discharging elevator 42, and the cooled flux is sent to the discharging bin 43 for storage or further processing.

[0034] Preferably, the discharge elevator 42 includes a lifting motor 421, a driving wheel 422, a driven wheel 423, a conveyor belt 424 and a plurality of lifting discs 425. The driving wheel and the driven wheel 423 are arranged vertically, and the driven wheel 423 is arranged in the quenching water tank 412. The rotating shaft end of the lifting motor 421 is connected to the driving wheel 422. The conveyor belt 424 meshes with the driving wheel 422 and the driven wheel 423. A plurality of lifting discs 425 are arranged outside the conveyor belt 424. When the lifting motor 421 drives the driving wheel 422 to rotate, the conveyor belt 424 drives the plurality of lifting discs 425 to pass through the bottom end of the quenching hopper 411 one by one from bottom to top. A first guiding plate 414 which is inclined is further arranged at the bottom of the quenching hopper 411. The bottom end of the first guiding plate 414 extends to a position close to the lifting disc 425. A filter plate 428 is arranged in the quenching water tank. The filter plate 428 is arranged on the movement track of the lifting disc 425 and is in contact with the outer side of the lifting disc 425.

[0035] The lifting motor 421 is used as the power source of the discharge elevator 42. The conveyor belt 424 meshes between the driving wheel 422 and the driven wheel 423 to form a closed-loop movement. The conveyor belt 424 on the side close to the quenching hopper 411 moves upward, while the conveyor belt 424 on the side close to the discharge bin 43 moves downward. A plurality of lifting discs 425 are arranged outside the conveyor belt 424 and are used for carrying and conveying the flux. When the conveyor belt 424 moves, the lifting discs 425 will pass through the bottom end of the quenching hopper 411 one by one from bottom to top, lift the cooled flux and convey it to the discharge bin 43. The bottom of the quenching hopper 411 is inclined, so that the flux in the quenching hopper 411 can slide into the lifting disc 425. The filter plate 428 is arranged in the quenching water tank 412 and is located on the movement track of the lifting disc 425. It is in contact with the outer side of the lifting disc 425, playing a limiting role on the flux in the quenching water tank 412, so that the flux is always located on the movement track of the lifting disc 425, avoiding falling into the quenching water tank 412 and ensuring that the flux can be picked up by the lifting disc 425 and put into the discharge bin 43.

[0036] Preferably, the bottom of the lifting disc 425 is provided with an arc section 426 that gradually transitions upward from the end close to the driven wheel 423 to the end close to the quenching hopper 411. A plurality of water drainage holes 427 are opened at the bottom of the lifting disc 425. The discharge bin 43 is arranged on one side of the driving wheel 422. A second guiding plate 431 which is inclined is further arranged between the driving wheel 422 and the discharge bin 43. The top end of the second guiding plate 431 is connected to the movement track of the lifting disc 425, and the bottom end of the second guiding plate 431 extends to a position close to the discharge bin 43. A discharge unit 432 is arranged at the bottom of the discharge bin 43.

[0037] The bottom of the lifting tray 425 is provided with an arc section 426 that gradually slopes upward from the end near the driven wheel 423 to the end near the quenching hopper 411. This not only enables the lifting tray 425 to better adapt to the shape and weight distribution of the frit when receiving it, ensuring that the frit is stably placed on the lifting tray 425, but also uses the arc sections 426 in the adjacent upper and lower lifting trays 425 during discharging to make the flux slide towards the second guiding plate 431 (when discharging, the arc section 426 faces upward and the opening of the lifting tray 425 faces downward), facilitating the discharging of the flux. By arranging a plurality of water drainage holes 427 at the bottom of the lifting tray 425, the water remaining on the flux gradually flows out during transportation. The bottom of the discharging bin 43 is provided with a discharging unit 432 for controlling the discharging speed and quantity of the flux, ensuring that the flux is discharged from the discharging bin 43 at a set speed and quantity to meet the requirements of subsequent production processes.

[0038] The heat supply end thermocouple is arranged in the combustion channel 111 for real-time detection of the temperature inside the combustion channel 111, ensuring that the temperature inside the combustion channel 111 is maintained within a set range to provide a stable heat source for the melting pool 112. The first melting pool thermocouple is arranged near the combustion channel 111 of the melting pool 112 for monitoring the temperature at the starting end of the melting pool 112. Through the feedback of the first melting pool thermocouple, the output of the burner 3 can be adjusted in a timely manner to avoid uneven melting of the raw materials caused by too high or too low temperature. The second melting pool thermocouple is arranged near the discharging channel 113 of the melting pool 112 for detecting the temperature at the end of the melting pool 112. The temperature data collected by the second melting pool thermocouple can control the temperature gradient of the melting pool 112 to maintain the stability of the temperature inside the melting pool 112. The discharging end thermocouple is arranged in the discharging channel 113 for detecting the temperature of the flux before it is discharged from the kiln, ensuring that the frit enters the subsequent cooling and discharging processes at an appropriate temperature.

[0039] Through the real-time collection of the heat supply end thermocouple, the first melting pool thermocouple, the second melting pool thermocouple, and the discharging end thermocouple, the monitoring and control of the temperature distribution inside the frit tank kiln 1 are realized. According to the feedback data of each thermocouple, parameters such as the output of the burner 3 and the water temperature of the quenching pool 41 can be adjusted in real time to ensure that the flux can maintain the temperature required by the process throughout the firing process.

[0040] Preferably, the quenching pool 41 further includes an inlet water temperature sensor, a return water temperature sensor, and an infrared temperature sensor. The inlet water temperature sensor is arranged at the bottom of the quenching water tank 412, the return water temperature sensor is arranged at the starting end of the spray head 413, and the infrared temperature sensor is arranged at the bottom of the first guiding plate 414. The inlet water temperature sensor is used to collect the water temperature of the cooling water in the quenching water tank 412, the return water temperature sensor is used to collect the water temperature of the cooling water sprayed by the spray head 413, and the infrared temperature sensor is used to collect the temperature of the first guiding plate 414. The cooling capacity and water output of the water circulation unit are adjusted based on the data collected by the inlet water temperature sensor, the return water temperature sensor, and the infrared temperature sensor.

[0041] By arranging the inlet water temperature sensor at the bottom of the quenching water tank 412, it is used to collect the initial water temperature of the cooling water in the quenching water tank 412 in real time. Through the feedback of the inlet water temperature sensor, the cooling capacity of the water circulation unit can be adjusted in a timely manner to ensure that the water temperature of the cooling water remains within the set range. By arranging the return water temperature sensor at the starting end of the spray head 413, it is used to collect the actual water temperature of the cooling water sprayed by the spray head 413. Through the feedback of the return water temperature sensor, the cooling capacity of the water circulation unit can be further adjusted to achieve the best cooling effect. By arranging the infrared temperature sensor at the bottom of the first guiding plate 414, it is used to collect the temperature of the first guiding plate 414, indirectly reflecting the actual temperature of the flux during the quenching process. Thus, through the arrangement of the inlet water temperature sensor, the return water temperature sensor, and the infrared temperature sensor, the monitoring and control of the water temperature, cooling effect, and frit temperature of the quenching pool 41 can be realized. According to the feedback data of each sensor, the cooling capacity, water output, and spraying mode of the spray head 413 and other parameters of the water circulation unit are adjusted in real time through a preset algorithm to ensure that the flux is evenly and moderately cooled during the quenching process.

[0042] Preferably, the feeding mechanism 2 includes a feeding motor 21, a feeding cylinder 22, a feeding screw, and a heating coil 23. The feeding motor 21 is arranged at one end of the feeding cylinder 22, the other end of the feeding cylinder 22 corresponds to the feeding port 116, the feeding screw is arranged in the feeding cylinder 22, one end of the feeding screw is connected to the rotating shaft end of the feeding motor 21, the heating coil 23 covers the outside of the feeding cylinder 22, a centrifugal fan 24 is arranged at the bottom of the heating coil 23, and a radially arranged feeding box 25 is also arranged on the feeding cylinder 22. The feeding mechanism 2 of this embodiment realizes the feeding of the flux raw materials by means of a feeding screw. When the feeding motor 21 is started, the feeding screw starts to rotate, pushing the flux raw materials entering from the feeding box at one end of the feeding cylinder 22 towards the feeding port 116 of the frit tank furnace 1. During the pushing process, the flux in the feeding cylinder 22 is preheated by the heating coil 23, and the centrifugal fan 24 accelerates the heating process through forced convection to ensure that the raw materials reach the preset temperature during the transportation process. When the raw materials are pushed to the end of the feeding cylinder 22, they enter the frit tank furnace 1 through the feeding port 116 for melting and firing.

[0043] The technical principle of the present invention has been described in combination with specific embodiments above. These descriptions are only for explaining the principle of the present invention and cannot be construed as limiting the protection scope of the present invention in any way. Based on the explanations herein, those skilled in the art can readily conceive of other specific embodiments of the present invention without creative efforts, and these embodiments will fall within the protection scope of the present invention.

Claims

1. A low-temperature frit firing device, characterized in that: The invention comprises a sinter pool kiln, a feeding mechanism, a burner, a discharging mechanism and a water circulation unit; the sinter pool kiln is provided with a combustion channel, a melting pool and a discharging channel which are connected in sequence; the discharging channel is provided with a discharging gap, the size of which is adjustable; the bottom surface of the melting pool is inclined downward from one end close to the combustion channel to one end close to the discharging channel; a liquid level regulating plate is provided between the end of the melting pool and the discharging channel; the vertical height of the liquid level regulating plate is adjustable; one side of the melting pool is also provided with a There is a feed port, the setting heights of the combustion channel, the discharge channel and the feed port are all higher than the bottom surface of the melting pool, the burner is arranged at one end of the molten block pool kiln, the output end of the burner is communicated with the melting pool through the combustion channel, the output end of the feeding mechanism corresponds to the feed port, the discharge mechanism is arranged below the discharge gap, the discharge mechanism is used to quench the flux discharged from the melting pool, and continue to lift and transport it to the outside after quenching, and the water circulation unit is connected with the discharge mechanism; The frit pool furnace also includes a liquid level adjustment component, which includes the liquid level adjustment plate, a second lifting component and an infrared sensor. A rear pool wall is provided between the melting pool and the discharge channel, and one side of the liquid level adjustment plate is in contact with the rear pool wall. The second lifting component is provided above the melting pool, and the liquid level adjustment plate is provided at the lifting end of the second lifting component. A horizontal pool bottom section is also provided at the bottom of the melting pool, and the horizontal pool bottom section is connected to the end of the inclined bottom plate. The liquid level adjustment plate and the horizontal pool bottom section are arranged opposite to each other up and down. The second lifting component is used to drive the liquid level adjustment plate to move up and down to adjust the height of the liquid level adjustment plate. The infrared sensor is provided above the discharge channel, and the infrared sensor is used to detect the liquid level height of the discharge channel. The discharging mechanism comprises a quenching pool, a discharging elevator and a discharging bin, the quenching pool comprises a quenching bucket and a quenching water tank, the quenching bucket is arranged below the discharging port, one side of the quenching bucket is connected to the quenching water tank, the feeding end of the discharging elevator extends into the quenching water tank, the discharging end of the elevator is connected to the discharging bin, a plurality of nozzles are arranged on the top of the quenching bucket, the return end of the water circulation unit is connected to the bottom of the quenching water tank, and the water outlet end of the water circulation unit is connected to the plurality of nozzles; The discharging elevator comprises a lifting motor, a driving wheel, a driven wheel, a conveyor belt and a plurality of lifting plates. The driving wheel and the driven wheel are arranged up and down, the driven wheel is arranged in the quenching water tank, the rotating shaft end of the lifting motor is connected to the driving wheel, the conveyor belt is meshed with the driving wheel and the driven wheel, and the plurality of lifting plates are arranged on the outside of the conveyor belt. When the lifting motor drives the driving wheel to rotate, the conveyor belt drives the plurality of lifting plates to pass through the bottom end of the quenching bucket one by one from bottom to top. The bottom of the quenching bucket is also provided with a first guide plate arranged obliquely, and the bottom end of the first guide plate extends to a position close to the lifting plate. A filter plate is provided in the quenching box, and the filter plate is provided on the movement trajectory of the lifting plate, and the filter plate is in contact with the outer side of the lifting plate.

2. A low-temperature frit firing device according to claim 1, characterized in that: The frit pool kiln includes a kiln body made of high-alumina bricks and an inclined bottom plate, the kiln body forms the combustion channel, the melting pool and the discharge channel, the inner diameter of the combustion channel gradually increases from one end of the frit pool kiln to the end close to the melting pool, the inclined bottom plate is arranged at the bottom of the melting pool, so that the bottom of the melting pool forms a bottom surface inclined downward from the end close to the combustion channel to the end close to the discharge channel, the inclined bottom plate is paved with electric-fused zirconium corundum bricks, the bottom of the inclined bottom plate is filled with thermal insulation filler, the top of the melting pool and the top of the discharge channel are respectively provided with a first insulation layer and a second insulation layer, and the first insulation layer and the second insulation layer are both made of insulation bricks.

3. A low-temperature frit firing device according to claim 1, characterized in that: The sinter pool kiln also includes a discharge assembly, which includes a discharge valve port, a lifting valve core and a first lifting component. The discharge valve port is vertically arranged in the discharge channel, and the opening area of ​​the discharge valve port gradually decreases from top to bottom. The first lifting component is arranged in the discharge channel, and the lifting valve core is arranged at the lifting end of the first lifting component and is arranged opposite to the discharge valve port up and down. The discharge gap is formed between the lifting valve core and the inner side of the discharge valve port. When the first lifting component drives the lifting valve core to move up and down, the discharge gap increases or decreases.

4. A low-temperature frit firing device according to claim 1, characterized in that: The bottom of the lifting plate is provided with an arc section which gradually transitions upward from an end close to the driven wheel to an end close to the quenching bucket. A plurality of drainage holes are provided at the bottom of the lifting plate. The discharge bin is provided on one side of the driving wheel. An inclined second guide plate is also provided between the driving wheel and the discharge bin. The top end of the second guide plate is connected to the movement trajectory of the lifting plate. The bottom end of the second guide plate extends to a position close to the discharge bin. A discharge unit is provided at the bottom of the discharge bin.

5. A low-temperature frit firing device according to claim 1, characterized in that: The molten pool kiln also includes a heating end thermocouple, a first molten pool thermocouple, a second molten pool thermocouple and a discharge end thermocouple. The heating end thermocouple is arranged in the combustion channel, the first molten pool thermocouple is arranged in the molten pool close to the combustion channel, the second molten pool thermocouple is arranged in the molten pool close to the discharge channel, and the discharge end thermocouple is arranged in the discharge channel.

6. A low-temperature frit firing device according to claim 1, characterized in that: The quenching pool also includes an inlet water temperature sensor, a return water temperature sensor and an infrared temperature sensor. The inlet water temperature sensor is arranged at the bottom of the quenching water tank, the return water temperature sensor is arranged at the starting end of the nozzle, and the infrared temperature sensor is arranged at the bottom of the first guide plate. The inlet water temperature sensor is used to collect the water temperature of the cooling water in the quenching water tank, the return water temperature sensor is used to collect the water temperature of the cooling water sprayed from the nozzle, and the infrared temperature sensor is used to collect the temperature of the first guide plate. The cooling capacity and water output of the water circulation unit are adjusted by the data collected by the inlet water temperature sensor, the return water temperature sensor and the infrared temperature sensor.

7. A low-temperature frit firing device according to claim 1, characterized in that: The feeding mechanism includes a feeding motor, a feeding barrel, a feeding screw and a heating ring. The feeding motor is arranged at one end of the feeding barrel, and the other end of the feeding barrel corresponds to the feeding port. The feeding screw is arranged in the feeding barrel, and one end of the feeding screw is connected to the rotating shaft end of the feeding motor. The heating ring covers the outside of the feeding barrel, and a centrifugal fan is provided at the bottom of the heating ring. The feeding barrel is also provided with a radially arranged feeding box.

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