A device for removing impurities and purifying ceramic raw materials and its usage method

Abstract

The present invention discloses a device for removing impurities and purifying ceramic raw materials and a method for using the same, including a frame. A washing component is installed at the bottom of the inner cavity of the frame. A screening component is arranged above the washing component. A drying mechanism is arranged on the right side of the washing component. The drying mechanism includes a belt, a second motor, and turning blades. The belt is fixedly connected to the side wall of the drying box. The output shaft of the belt is fixedly connected to the side wall of a third gear. In the present invention, the ceramic raw materials can be quickly screened through a sieve cylinder. The raw materials are washed inside the washing component. Secondary separation of the raw materials can be carried out inside the collection box to reduce the impurity content inside the raw materials. The two groups of turning blades can quickly turn the ceramic raw materials to accelerate the drying speed of the raw materials and reduce the moisture content inside the raw materials. Moreover, the far-infrared heating plate and the heat conduction plate can ensure uniform heating of the raw materials. The air exchange component and the auxiliary pipe are used in combination to accelerate the air circulation inside the firing box and achieve purification of the raw materials.

Description

Technical Field

[0001] The present invention relates to the technical field of ceramic raw material processing, and specifically relates to a device for removing impurities and purifying ceramic raw materials and a method for using the same. Background Technique

[0002] Ceramic raw materials mainly include three categories: clay, quartz, and feldspar. From a technological perspective, clay is a plastic raw material, quartz is a refractory raw material, and feldspar is a flux raw material. Formulating and preparing these raw materials to make the blank and glaze for ceramic ware shaping requires removing internal impurities during the processing of ceramic raw materials to improve the purity of the raw materials and products.

[0003] In the prior art, such as the "device for removing impurities and purifying feldspar ceramic raw materials" with Chinese patent number CN113600337A, it includes an outer cylinder and an inner cylinder. The inner cylinder is rotatably disposed inside the axis of the outer cylinder. A rotating mechanism is provided at the outer end of the outer cylinder. The area between the outer wall of the inner cylinder and the inner wall of the outer cylinder is set as a material chamber. Feed ports and discharge ports communicating with both ends of the material chamber are respectively opened at both ends of the side wall of the outer cylinder. A pushing screw blade is helically fixed on the outer wall of the inner cylinder. The outer edge of the pushing screw blade is slidably connected to the inner wall of the outer cylinder and divides the material chamber into a spiral channel. A plurality of electromagnets for adsorbing magnetic impurities in the material chamber are installed on the inner wall of the inner cylinder. A material turning mechanism for turning the raw materials in the material chamber is provided between the inner wall of the outer cylinder and the outer wall of the inner cylinder.

[0004] However, in the prior art, magnetic separation is carried out on the inside of the raw materials by using a magnet structure to assist in the separation of magnetic substances to achieve impurity removal of the raw materials. Only magnetic impurities are removed, and the remaining impurities are not processed and still remain in the ceramic raw materials, making it difficult to separate from the raw materials, resulting in a relatively high content of impurities inside the raw materials and affecting the purity of the raw materials. Summary of the Invention

[0005] The purpose of the present invention is to provide a device for removing impurities and purifying ceramic raw materials and a method for using the same, so as to solve the problem in the prior art described in the above background technique that only magnetic impurities inside the ceramic raw materials are removed, and the remaining impurities are not processed and still remain in the ceramic raw materials, making it difficult to separate from the raw materials, resulting in a relatively high content of impurities inside the raw materials and affecting the purity of the raw materials.

[0006] To achieve the above object, the present invention provides the following technical solution: A ceramic raw material impurity removal and purification device, including a frame, a washing component is installed at the bottom of the inner cavity of the frame, a screening component is arranged above the washing component, a drying mechanism is arranged on the right side of the washing component, the drying mechanism includes a belt, a second motor and turning blades, the belt is fixedly connected to the side wall of the drying box, the output shaft of the belt is fixedly connected to the side wall of the third gear, a belt is sleeved between the two third gears, the third gear is fixedly connected to one end of the connecting shaft, and turning blades are fixedly connected to the connecting shaft; A collection box is arranged on the top of the drying mechanism, an ultrasonic generator is installed on the side wall of the collection box, the bottom of the collection box is fixedly connected to the frame, and a firing mechanism is arranged on the right side of the collection box, the firing mechanism includes a firing box, a far-infrared heating plate and a cooling box, the far-infrared heating plate is fixedly connected to the inner wall of the firing box, and the cooling box is fixedly connected to the side wall of the firing box.

[0007] Preferably, the screening component includes a feed pipe, a sieve barrel and a first motor. One end of the feed pipe passes through the side wall of the frame and is sleeved inside the sieve barrel. One end of the sieve barrel is fixedly connected to a first gear, the first gear is meshed with a second gear, and the second gear is sleeved on the inner wall of the frame.

[0008] Preferably, the output shaft of the first motor is fixedly connected to one side of the second gear, the first motor is fixedly connected to the inner wall of the frame, the other end of the sieve barrel is sleeved with a collar, and the side wall of the collar is fixedly connected to the frame.

[0009] Preferably, a discharge port is installed on the side wall of the frame, the discharge port overlaps above the drying box, the drying box is rotatably connected to the connecting shaft, and a hot air blower is fixedly connected to the inner wall of the drying box.

[0010] Preferably, a feeding component is arranged between the collection box and the firing mechanism, the feeding component includes a conveyor belt, limiting strips and a third motor, the conveyor belt is sleeved on two conveyor shafts, and the conveyor shafts are respectively sleeved on the inner walls of the collection box and the firing box.

[0011] Preferably, one end of the conveyor shaft on the left side is connected to the output shaft of the third motor, the third motor is fixedly connected to the collection box, a plurality of limiting strips are fixedly connected to the conveyor belt, and the right side of the conveyor belt penetrates through the side wall of the firing box.

[0012] Preferably, two firing cavities are opened inside the firing box, a heat conducting plate is overlapped at the bottom of the inner cavity of the firing cavity, the heat conducting plate is slidably connected to the firing cavity, an auxiliary pipe is arranged above the heat conducting plate, and one end of the auxiliary pipe penetrates through the side wall of the firing box.

[0013] Preferably, the other end of the auxiliary pipe is connected to the cooling box, a cooling pipe is installed inside the cooling box, and an exhaust fan is fixedly connected to the side wall of the cooling box.

[0014] Preferably, a ventilation component is arranged on one side of the firing mechanism. The ventilation component includes an air extraction pipe and an induced draft fan. The induced draft fan is fixedly connected to the side wall of the firing box. The top of the induced draft fan communicates with one end of the air extraction pipe, and the other end of the air extraction pipe penetrates through the side wall of the firing box.

[0015] A method for using a ceramic raw material impurity removal and purification device:

[0016] S1. Feed the ceramic raw materials into the screening cylinder through the feed pipe. Drive the screening cylinder to rotate by using the first motor to drive the second gear to rotate. The aperture on the screening cylinder can screen the raw materials, and raw materials with different volumes enter the elutriation component and the collection box respectively;

[0017] S2. Drive the transmission shaft to rotate by using the third motor. The conveyor belt and the limiting strip convey the raw materials inside the collection box and send them to the firing cavity located above inside the firing box;

[0018] S3. After the raw materials inside the elutriation component are elutriated, they are discharged into the drying box through the discharge port. The turning blades turn the materials, and the hot air blower heats and dries the materials. Take out the dried materials and put them into the firing cavity located below;

[0019] S4. The far-infrared heating plate can quickly heat the inside of the firing cavity. When heating inside the firing box, the induced draft fan can send external air into the firing cavity, the exhaust fan extracts the air inside the exhaust fan, and the air inside the firing cavity enters the cooling box through the auxiliary pipe and is discharged after cooling;

[0020] S5. After the firing of the raw materials is completed, the materials can be taken out from inside the firing box to complete the purification of the ceramic raw materials.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. In the present invention, the ceramic raw materials can be quickly screened through the screening cylinder. The raw materials are elutriated inside the elutriation component, and the raw materials inside the collection box can be separated for the second time, reducing the impurity content inside the raw materials;

[0023] 2. In the present invention, the two groups of turning blades can quickly turn the ceramic raw materials, increasing the contact area between the ceramic raw materials and the hot air blower, accelerating the drying speed of the raw materials, reducing the moisture content inside the raw materials, and reducing the workload of firing the raw materials;

[0024] 3. In the present invention, the raw materials with different volumes can be fired respectively inside the firing box. The far-infrared heating plate and the heat conducting plate can ensure the uniform heating of the raw materials. The ventilation component and the auxiliary pipe are used in combination to accelerate the air circulation inside the firing box and achieve the purification of the raw materials. Description of the Drawings

[0025] Figure 1Schematic diagram of the frame structure of a device for removing impurities and purifying ceramic raw materials according to the present invention;

[0026] Figure 2 Schematic diagram of the installation structure of the elutriation component of a device for removing impurities and purifying ceramic raw materials according to the present invention;

[0027] Figure 3 Schematic diagram of the sieve cylinder structure of a device for removing impurities and purifying ceramic raw materials according to the present invention;

[0028] Figure 4 Schematic diagram of the conveyor belt structure of a device for removing impurities and purifying ceramic raw materials according to the present invention;

[0029] Figure 5 Schematic diagram of the discharge port structure of a device for removing impurities and purifying ceramic raw materials according to the present invention;

[0030] Figure 6 Schematic diagram of the installation structure of the flipping blade of a device for removing impurities and purifying ceramic raw materials according to the present invention;

[0031] Figure 7 Schematic diagram of the installation structure of the far-infrared heating plate of a device for removing impurities and purifying ceramic raw materials according to the present invention;

[0032] Figure 8 Schematic diagram of the installation structure of the cooling box of a device for removing impurities and purifying ceramic raw materials according to the present invention.

[0033] In the figure: 1. Frame; 2. Screening component; 21. Feed pipe; 22. Gear 1; 23. Collar; 24. Sieve cylinder; 25. Gear 2; 26. Motor 1; 3. Elutriation component; 31. Discharge port; 4. Drying mechanism; 41. Belt; 42. Drying box; 43. Hot air blower; 44. Motor 2; 45. Gear 3; 46. Flipping blade; 47. Connecting shaft; 5. Ventilation component; 51. Exhaust pipe; 52. Induced draft fan; 6. Forging mechanism; 61. Forging box; 62. Far-infrared heating plate; 63. Heat conducting plate; 64. Auxiliary pipe; 65. Exhaust fan; 66. Cooling box; 7. Feeding component; 71. Conveyor belt; 72. Limiting strip; 73. Motor 3; 8. Collection box; 81. Ultrasonic generator. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0035] Refer to Figure 1-8As shown in the figure: A ceramic raw material impurity removal and purification device, including a frame 1, a elutriation component 3 is installed at the bottom of the inner cavity of the frame 1, a screening component 2 is arranged above the elutriation component 3, a drying mechanism 4 is arranged on the right side of the elutriation component 3. The drying mechanism 4 includes a belt 41, a second motor 44 and turning blades 46. The belt 41 is fixedly connected to the side wall of the drying box 42. The output shaft of the belt 41 is fixedly connected to the side wall of the third gear 45. The belt 41 is sleeved between the two third gears 45. The third gear 45 is fixedly connected to one end of the connecting shaft 47. The turning blades 46 are fixedly connected to the connecting shaft 47. After the connecting shaft 47 drives the turning blades 46 to rotate, it is convenient to realize the turning of the ceramic raw materials. A collection box 8 is arranged on the top of the drying mechanism 4. An ultrasonic generator 81 is installed on the side wall of the collection box 8. The bottom of the collection box 8 is fixedly connected to the frame 1. And a firing mechanism 6 is arranged on the right side of the collection box 8. The firing mechanism 6 includes a firing box 61, a far-infrared heating plate 62 and a cooling box 66. The far-infrared heating plate 62 is fixedly connected to the inner wall of the firing box 61. The cooling box 66 is fixedly connected to the side wall of the firing box 61. It is convenient to carry out high-temperature firing treatment on the raw materials inside the firing box 61 to realize the purification of the raw materials.

[0036] The screening component 2 includes a feed pipe 21, a sieve cylinder 24 and a first motor 26. One end of the feed pipe 21 penetrates through the side wall of the frame 1 and is sleeved inside the sieve cylinder 24. One end of the sieve cylinder 24 is fixedly connected to a first gear 22. The first gear 22 is meshed with a second gear 25. The second gear 25 is sleeved on the inner wall of the frame 1. By using the meshing of the first gear 22 and the second gear 25, the rotation of the sieve cylinder 24 can be driven to complete the preliminary screening of the raw materials. The output shaft of a first motor 26 is fixedly connected to one side of the second gear 25. The first motor 26 is fixedly connected to the inner wall of the frame 1. The other end of the sieve cylinder 24 is sleeved with a collar 23. The side wall of the collar 23 is fixedly connected to the frame 1. The collar 23 is connected to the sieve cylinder 24, which can support the sieve cylinder 24 when the sieve cylinder 24 rotates and ensure the stability of the rotation of the sieve cylinder 24. An outlet 31 is installed on the side wall of the frame 1. The outlet 31 is lapped above the drying box 42. The drying box 42 is rotatably connected to the connecting shaft 47. And a hot air blower 43 is fixedly connected to the inner wall of the drying box 42, which is convenient to accelerate the evaporation of the moisture inside the raw materials by using the hot air blower 43.

[0037] A feeding component 7 is arranged between the collection box 8 and the firing mechanism 6. The feeding component 7 includes a conveyor belt 71, a limiting strip 72 and a third motor 73. The conveyor belt 71 is sleeved on two conveyor shafts, and the conveyor shafts are respectively sleeved on the inner walls of the collection box 8 and the firing box 61. One end of the conveyor shaft on the left side is connected to the output shaft of the third motor 73. The third motor 73 is fixedly connected to the collection box 8. A plurality of limiting strips 72 are fixedly connected to the conveyor belt 71. The right side of the conveyor belt 71 penetrates through the side wall of the firing box 61.

[0038] The limiting strip 72 inside the feeding component 7 and the surface of the conveyor belt 71 enclose a storage cavity. The raw materials are stored inside the storage cavity, and the conveyor belt 71 drives the raw materials inside the storage cavity to move, so as to convey the materials inside the collection box 8 into the firing box 61, completing the feeding of the raw materials, and using the firing box 61 to process the raw materials to achieve the purification of the raw materials.

[0039] There are two firing cavities opened inside the firing box 61. The bottom of the inner cavity of the firing cavity is lapped with a heat conducting plate 63. The heat conducting plate 63 is slidably connected with the firing cavity. An auxiliary pipe 64 is arranged above the heat conducting plate 63. One end of the auxiliary pipe 64 penetrates through the side wall of the firing box 61 to facilitate the guiding of the air flow inside the firing box 61; the other end of the auxiliary pipe 64 is connected with the cooling box 66. A cooling pipe is installed inside the cooling box 66, and an air extractor 65 is fixedly connected to the side wall of the cooling box 66 to facilitate the auxiliary air flow inside the firing box 61 by the cooling box 66; a ventilation component 5 is arranged on one side of the firing mechanism 6. The ventilation component 5 includes an air extraction pipe 51 and an induced draft fan 52. The induced draft fan 52 is fixedly connected to the side wall of the firing box 61. The top of the induced draft fan 52 is communicated with one end of the air extraction pipe 51, and the other end of the air extraction pipe 51 penetrates through the side wall of the firing box 61 to facilitate the induced draft fan 52 to send air into the firing box 61.

[0040] The usage method steps are as follows:

[0041] Step 1: Feed the ceramic raw materials into the screening cylinder 24 through the feeding pipe 21. Use the first motor 26 to drive the second gear 25 to rotate, driving the screening cylinder 24 to rotate. The aperture on the screening cylinder 24 can realize the screening of the raw materials, and the raw materials with different volumes respectively enter the elutriation component 3 and the collection box 8.

[0042] Step 2: Use the third motor 73 to drive the transmission shaft to rotate. The conveyor belt 71 and the limiting strip 72 convey the raw materials inside the collection box 8 and send them to the firing cavity located above inside the firing box 61;

[0043] Step 3: After the raw materials inside the elutriation component 3 are elutriated, they are discharged into the drying box 42 through the discharge port 31. The turning blades 46 turn the materials, and the hot air blower 43 heats and dries the materials. The dried materials are taken out and placed into the firing cavity located below;

[0044] Step 4: The far-infrared heating plate 62 can realize the rapid heating inside the firing cavity. When heating inside the firing box 61, the induced draft fan 52 can send the external air into the firing cavity, and the air extractor 65 extracts the air inside the air extractor 65. The air inside the firing cavity enters the cooling box 66 through the auxiliary pipe 64 and is discharged after cooling;

[0045] Step 5: After the firing of the raw materials is completed, the materials can be taken out from inside the firing box 61 to complete the purification of the ceramic raw materials.

[0046] Working principle and usage method of this device: First, ceramic raw materials can be preliminarily screened through the sieve cylinder 24. The raw materials with smaller volume enter the elutriation component 3, and the raw materials with larger volume are collected in the collection box 8. The ultrasonic generator 81 is used to emit ultrasonic waves, and the ultrasonic waves assist in separating the raw materials from the iron oxide and iron hydroxide films on their surfaces, removing the impurities on the surface of the raw materials. The processed raw materials inside the collection box 8 are sent into the firing box 61 to realize the firing and processing of the raw materials;

[0047] The materials with smaller volume are elutriated by the elutriation component 3 and then discharged into the drying box 42 through the discharge port 31. The motor two 44 drives the gear three 45 to rotate. The belt 41 is a synchronous belt, which can drive the two connecting shafts 47 to rotate, realizing the flipping of the flipping blades 46 on the materials, ensuring that the materials are in full contact with the hot air. The hot air blower 43 accelerates the drying of the materials, reducing the moisture inside the materials. The side wall of the drying box 42 on the side far from the motor two 44 is disassembled, and the side wall is separated from the connecting shaft 47, and the dried materials can be taken out and put into the firing cavity below;

[0048] The far-infrared tubes on the far-infrared heating plate 62 are used to quickly heat the inside of the firing box 61, and the heating temperature is adjusted to keep the firing cavity at a high temperature. The heat conduction plate 63 is made of metal material, which can quickly conduct heat to the bottom of the raw materials, ensuring uniform heating of the materials. When heating inside the firing box 61, the induced draft fan 52 can send the air inside through the suction pipe 51 into the firing cavity. The exhaust fan 65 extracts the air inside the exhaust fan 65, generating negative pressure inside the cooling box 66. The air inside the firing cavity enters the cooling box 66 through the auxiliary pipe 64. The cooling liquid is contained in the cooling pipes inside the cooling box 66, and the hot air contacts the cooling pipes to realize heat exchange, and then the air is discharged through the through holes on the side wall of the exhaust fan 65. The cooling liquid inside the cooling pipes can be discharged and replaced to realize heat recovery;

[0049] After the firing of the materials is completed, the box door is opened on one side of the firing box 61, and the two heat conduction plates 63 are moved, and the processed materials can be taken out to complete the purification of the ceramic raw materials.

[0050] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A ceramic raw material impurity removal and purification device, comprising a frame (1), wherein a washing component (3) is installed at the bottom of the inner cavity of the frame (1), and it is characterized in that: Above the elutriation component (3), a screening component (2) is provided. On the right side of the elutriation component (3), a drying mechanism (4) is provided. The drying mechanism (4) includes a belt (41), a second motor (44), and turning blades (46). The belt (41) is fixedly connected to the side wall of the drying box (42). The output shaft of the belt (41) is fixedly connected to the side wall of a third gear (45). A belt (41) is sleeved between the two third gears (45). The third gear (45) is fixedly connected to one end of a connecting shaft (47). Turning blades (46) are fixedly connected to the connecting shaft (47). At the top of the drying mechanism (4), a collection box (8) is provided. An ultrasonic generator (81) is installed on the side wall of the collection box (8). The bottom of the collection box (8) is fixedly connected to the frame (1). And on the right side of the collection box (8), a firing mechanism (6) is provided. The firing mechanism (6) includes a firing box (61), a far-infrared heating plate (62), and a cooling box (66). The far-infrared heating plate (62) is fixedly connected to the inner wall of the firing box (61). The cooling box (66) is fixedly connected to the side wall of the firing box (61). Two firing cavities are formed inside the firing box (61). A heat conduction plate (63) is lapped on the bottom of the inner cavity of the firing cavity. The heat conduction plate (63) is slidably connected to the firing cavity. Above the heat conduction plate (63), an auxiliary pipe (64) is provided. One end of the auxiliary pipe (64) penetrates through the side wall of the firing box (61). The other end of the auxiliary pipe (64) is connected to the cooling box (66). A cooling pipe is installed inside the cooling box (66). An exhaust fan (65) is fixedly connected to the side wall of the cooling box (66).

2. The impurity removal and purification device for ceramic raw materials according to claim 1, wherein: The screening component (2) includes a feed pipe (21), a sieve cylinder (24), and a first motor (26). One end of the feed pipe (21) penetrates through the side wall of the frame (1) and is sleeved inside the sieve cylinder (24). One end of the sieve cylinder (24) is fixedly connected to a first gear (22). The first gear (22) is meshed with a second gear (25). The second gear (25) is sleeved on the inner wall of the frame (1).

3. The ceramic raw material impurity removal and purification device according to claim 2, wherein: One side of the second gear (25) is fixedly connected to the output shaft of the first motor (26). The first motor (26) is fixedly connected to the inner wall of the frame (1). The other end of the sieve cylinder (24) is sleeved with a collar (23). The side wall of the collar (23) is fixedly connected to the frame (1).

4. A ceramic raw material impurity removal and purification device according to claim 1, characterized in that: An outlet (31) is installed on the side wall of the frame (1). The outlet (31) is lapped above the drying box (42). The drying box (42) is rotatably connected to the connecting shaft (47). And a hot air blower (43) is fixedly connected to the inner wall of the drying box (42).

5. A ceramic raw material impurity removal and purification device according to claim 1, characterized in that: An upper feeding component (7) is provided between the collection box (8) and the firing mechanism (6). The upper feeding component (7) includes a conveyor belt (71), a limiting strip (72), and a third motor (73). The conveyor belt (71) is sleeved on two conveyor shafts, and the conveyor shafts are respectively sleeved on the inner walls of the collection box (8) and the firing box (61).

6. The ceramic raw material impurity removal and purification device according to claim 5, characterized in that: One end of the conveyor shaft located on the left side is connected to the output shaft of the third motor (73), the third motor (73) is fixedly connected to the collection box (8), a number of limiting strips (72) are fixedly connected to the conveyor belt (71), and the right side of the conveyor belt (71) penetrates through the side wall of the firing box (61).

7. A ceramic raw material impurity removal and purification device according to claim 1, characterized in that: A ventilation component (5) is arranged on one side of the firing mechanism (6). The ventilation component (5) includes an air extraction pipe (51) and an induced draft fan (52). The induced draft fan (52) is fixedly connected to the side wall of the firing box (61). The top of the induced draft fan (52) is communicated with one end of the air extraction pipe (51), and the other end of the air extraction pipe (51) penetrates through the side wall of the firing box (61).

8. A method for using a device for removing impurities and purifying ceramic raw materials, characterized in that: Using a ceramic raw material impurity removal and purification device according to any one of claims 1-7, comprising the following steps: S1. Feed the ceramic raw materials into the sieve cylinder (24) through the feed pipe (21). Drive the sieve cylinder (24) to rotate by driving the gear two (25) to rotate with the first motor (26). The aperture on the sieve cylinder (24) can realize the screening of the raw materials, and raw materials with different volumes respectively enter the elutriation component (3) and the collection box (8). S2. Drive the conveyor shaft to rotate with the third motor (73), and the conveyor belt (71) and the limiting strips (72) convey the raw materials inside the collection box (8) and send them to the firing cavity located above inside the firing box (61). S3. After the raw materials inside the elutriation component (3) are elutriated, they are discharged into the drying box (42) through the discharge port (31). The turning blades (46) turn the materials, and the hot air blower (43) heats and dries the materials. Take out the dried materials and put them into the firing cavity located below. S4. The far-infrared heating plate (62) can realize the rapid heating inside the firing cavity. When heating inside the firing box (61), the induced draft fan (52) can send external air into the firing cavity, the exhaust fan (65) extracts the air inside the exhaust fan (65), and the air inside the firing cavity enters the cooling box (66) through the auxiliary pipe (64) and is discharged after cooling. S5. After the firing of the raw materials is completed, the materials can be taken out from inside the firing box (61) to complete the purification of the ceramic raw materials.

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