Preparation method and equipment of erosion-resistant magnesian tundish dry material

Abstract

The erosion-resistant magnesian tundish dry material preparation equipment comprises a bottom plate, a top plate, a material mixing assembly, a discharging assembly and a material drying assembly, wherein the bottom plate and the top plate are fixedly connected through a vertical plate; the material mixing assembly is composed of a material mixing barrel, an electromagnetic valve, a stirring roller and a plurality of stirring paddles and used for stirring and mixing powder of all components of the dry material, the material mixing barrel is fixedly installed below the top plate, and the electromagnetic valve is installed at the lower end of the material mixing barrel. The invention also discloses a preparation method of the erosion-resistant magnesian tundish dry material. The preparation method comprises the following steps: determining the materials according to the ratio, determining the proportion of the raw materials of the dry material according to product requirements, and replacing the rotating parts and the fixed parts according to the proportion. The step of manually and quantitatively measuring the proportion can be omitted, it is guaranteed that matching errors do not occur during large-batch production, then it is guaranteed that the raw material proportion of the dry materials meets the product requirement, and the dry materials obtained after mixing can be dried so that the dry materials can rapidly reach the dryness required by the product.

Description

Technical Field

[0001] The invention relates to the technical field of refractory materials, and in particular to a method and equipment for preparing corrosion-resistant magnesia tundish dry material. Background Art

[0002] Tundish refers to a piece of equipment used in the steel continuous casting process. It requires refractory materials to make its lining to ensure stability during continuous casting. The refractory materials commonly used are tundish dry materials.

[0003] In the existing method for preparing dry materials in intermediate bags, the method for intercepting and filtering large pieces of material and impurities is to manually hold the filter screen and let the raw materials pass through the filter screen to achieve a basic filtering effect. However, under this method, there are problems such as low overall filtering operation efficiency, the filter screen cannot exert the maximum effective filtering area, and the filter screen structure is unstable and lacks strength.

[0004] In response to the above problems, the invention with Chinese patent publication number "CN112811883A" proposes a corrosion-resistant and erosion-resistant magnesium intermediate bag dry vibrating material, and a preparation method and equipment thereof. The invention mainly adopts a batching bin with a screen structure, which greatly improves the effective filtration area of ​​the screen and avoids the problem of continuous material discharge from the center of the screen and the rupture of the center of the screen in a short time. However, this solution does not mention or solve the problems of discharging in proportion, drying after mixing, and cleaning of the mixing equipment after mixing required in the preparation method of the intermediate bag dry material. In these aspects, traditional preparation equipment is still used. According to the patent publication number "CN112552060A" which discloses a high-strength siliceous intermediate bag dry vibration material, and its preparation method and equipment, it can be seen that the traditional equipment first requires manual quantitative measurement of various raw materials when discharging. In large-scale production, the ingredient ratio is prone to errors and it is difficult to meet product requirements. In addition, the mixing equipment is not equipped with a cleaning mechanism. The equipment is prone to residual powder after mixing, which affects the next mixing work and makes it difficult for the final dry material to meet product requirements. In addition, this solution does not provide drying equipment to dry and evaporate moisture from the mixed dry material, which does not meet product processing requirements. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a method and equipment for preparing dry materials of corrosion-resistant magnesium tundish.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A corrosion-resistant magnesium tundish dry material preparation device comprises a bottom plate and a top plate fixedly connected by a vertical plate, a material mixing component, a material discharging component and a material drying component; The mixing assembly is composed of a mixing barrel, an electromagnetic valve, a stirring roller and a plurality of stirring paddles, and is used to stir and mix the powders of various components of the dry material. The mixing barrel is fixedly installed below the top plate, the electromagnetic valve is installed at the lower end of the mixing barrel, the stirring roller is arranged inside the mixing barrel, and the plurality of stirring paddles are arranged on the side wall of the stirring roller; The material discharge assembly is composed of a material discharge barrel, a rotating part and a fixed part, and is used to add the powders of each component of the dry material into the mixing barrel according to proportion. The rotating part is rotatably sealed in the material discharge barrel and has a first material discharge opening, and the fixed part is fixedly sealed in the material discharge barrel and has a second material discharge opening; The material drying assembly is composed of a material drying tray, a material blocking ring and a plurality of electric heating plates, and is used to dry the mixed dry material powder. The material drying tray is rotatably connected to the upper end of the bottom plate, the material blocking ring is fixedly installed on the upper end of the material drying tray, and the plurality of electric heating plates are respectively fixedly installed on the inner wall of the vertical plate; The mixing component is moved by a driving mechanism, the feeding component is connected to the mixing component by a driven mechanism, and the baking component is connected to the feeding component by a transmission mechanism.

[0007] Preferably, the driving mechanism includes a driving motor and a main gear, the driving motor is fixed above the top plate and its output shaft passes through the bottom of the top plate and is fixedly connected to the main gear, and the main gear is fixedly connected to the stirring roller through a main shaft.

[0008] Preferably, the driven mechanism comprises a plurality of planetary gears, which are distributed around the main gear in a planetary shape and mesh with the main gear, and each of the planetary gears is fixedly connected to a rotating member in a discharge barrel below it via a secondary shaft.

[0009] Preferably, the transmission mechanism comprises a ring gear, the ring gear is meshed with a plurality of planetary gears, and the ring gear is fixedly connected to the baking tray via a plurality of connecting rods.

[0010] Preferably, a reciprocating screw is fixedly arranged between the main shaft and the stirring roller, a screw nut is threadedly connected to the reciprocating screw, a scraper ring is slidably fitted on the inner wall of the mixing barrel, and the screw nut and the scraper ring are fixedly connected by a cross bar.

[0011] Preferably, the scraper ring provided in the mixing barrel is replaced by a scraper plate, one side of the scraper plate slides in the mixing barrel, and the other side is fixed to the lead screw nut.

[0012] Preferably, a barrel cover is sealed on the upper end of the mixing barrel, a baffle is provided on the upper end of the baffle ring, the upper end of the mixing barrel is connected with the space below the baffle through an air intake pipe, a one-way valve that only allows air to flow from bottom to top is installed in the air intake pipe, the upper end and the lower end of the mixing barrel are connected through an exhaust pipe, a one-way valve that only allows air to flow from top to bottom is installed in the exhaust pipe.

[0013] The method for preparing the corrosion-resistant magnesium tundish dry material as described above comprises the following steps: S1. Determine the materials according to the ratio. Determine the ratio of each component raw material of the dry material (including fused magnesia, sintered magnesia, quartz sand, binder and additive, wherein the binder is phenolic resin and the additive is aluminum oxide powder) according to the product requirements, replace each rotating part and fixed part according to the ratio, ensure that the cross-sectional area ratio of the first blanking port and the second blanking port of each group is the same as the ratio of each component raw material, and pour each component raw material of the dry material into each blanking bucket respectively; S2, material mixing, start the drive motor, make the raw materials in each material tank fall into the mixing tank in proportion, and simultaneously stir and mix the various raw materials in the mixing tank, and the mixing time is greater than 15 minutes; S3, drying the mixed materials, opening the electromagnetic valve, turning on the electric heater, and quickly drying the mixed materials that fall on the drying plate after mixing, evaporating the moisture contained in the mixed materials to form dry materials that meet product requirements.

[0014] The present invention has the following beneficial effects: 1. By setting the material discharge assembly, the rotating parts and the fixed parts can be replaced according to the proportion of each component raw material when the material is determined according to the ratio, so that the cross-sectional area ratio of the first material discharge port and the second material discharge port between each group is consistent with the proportion of each component raw material. Then, when the first material discharge port and the second material discharge port of each group are interconnected at the same time during the material discharge, the raw materials in each material discharge barrel can be dropped into the mixing barrel according to the corresponding required proportion, thereby eliminating the step of manually measuring the proportion, ensuring that there will be no proportioning errors in mass production, and thus ensuring that the raw material proportion of the dry material meets the product requirements; 2. By setting up a drying component, after the dry materials in the mixing barrel are mixed, the electromagnetic valve is opened to make them fall into the drying plate, and the electric heating plate is turned on to dry the mixed dry materials. The driving motor drives the gear ring to rotate through the meshing action between the main gear, the planetary gear and the gear ring, and the gear ring drives the drying plate to rotate synchronously through the connecting rod, so that the dry materials on the drying plate are evenly dried by the electric heating plate, thereby accelerating the drying efficiency and quickly reaching the dryness required by the product; 3. By setting a reciprocating screw, a screw nut and a scraper ring, the driving motor can drive the reciprocating screw to rotate through the main shaft during and after mixing, so that the screw nut and the scraper ring can reciprocate vertically to clean and scrape off the raw material powder attached to the inner wall of the mixing barrel, which can avoid the residual raw material powder from affecting the next mixing work, and further ensure that the final dry material meets the product requirements; 4. By replacing the scraper ring with a scraper disc, not only the cleaning function of the mixing equipment is retained, but also the scraper disc can continuously compact the raw materials in the mixing barrel when it is started during mixing. The stirring action of the stirring paddle can achieve a more efficient mixing effect, thereby improving the preparation efficiency of dry materials. In addition, the setting of the scraper disc can close the opening on the mixing barrel, effectively preventing the raw material powder from escaping from the mixing barrel, avoiding environmental pollution caused by the escape of raw materials, avoiding the waste of raw materials, and saving production costs; 5. By setting the barrel cover, air inlet pipe and exhaust pipe, when the scraper plate reciprocates vertically, the hot air between the baffle ring and the baffle can be pumped into the lower end of the mixing barrel, so that the temperature in the mixing barrel can be rapidly increased. The increase in temperature can not only improve the mixing efficiency in the mixing barrel, but also pre-dry the mixed dry materials, thereby reducing the duration of the subsequent drying process and further improving the efficiency of dry material preparation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a corrosion-resistant magnesium tundish dry material preparation device proposed by the present invention; Figure 2 A schematic diagram of the meshing structure of the main gear, planetary gear and ring gear proposed in the present invention; Figure 3 This is a schematic diagram of the connection structure between the main gear and the stirring roller, and the planetary gear and the rotating member proposed by the present invention; Figure 4 A schematic diagram of the position and connection structure of the reciprocating screw and the scraper ring proposed in the present invention; Figure 5 This is a schematic diagram of the internal structure of the material discharge barrel and the material mixing barrel proposed by the present invention; Figure 6 This is a schematic diagram of the connection structure of the scraper plate, the reciprocating screw and the mixing barrel proposed by the present invention; Figure 7 This is a schematic diagram of the position and connection structure of the baffle, air inlet pipe and air outlet pipe proposed in the present invention.

[0016] In the figure: 1. bottom plate; 2. top plate; 3. vertical plate; 4. baking tray; 5. material blocking ring; 6. electric heating plate; 7. mixing barrel; 8. electromagnetic valve; 9. connecting rod; 10. gear ring; 11. discharge barrel; 12. main gear; 13. planetary gear; 14. main shaft; 15. secondary shaft; 16. stirring roller; 17. stirring paddle; 18. rotating part; 19. fixed part; 20. first blanking port; 21. second blanking port; 22. reciprocating screw; 23. screw nut; 24. scraper ring; 25. cross bar; 26. scraper tray; 27. barrel cover; 28. cover plate; 29. ​​air inlet pipe; 30. air outlet pipe; 31. driving motor. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Embodiment 1

[0018] Reference Figure 1-3 , a corrosion-resistant magnesium tundish dry material preparation device, comprising a bottom plate 1 and a top plate 2 fixedly connected by a vertical plate 3, a mixing component, a feeding component and a drying component; The mixing assembly is composed of a mixing barrel 7, an electromagnetic valve 8, a stirring roller 16 and a plurality of stirring paddles 17, and is used to stir and mix the powders of various components of the dry material. The mixing barrel 7 is fixedly installed below the top plate 2, the electromagnetic valve 8 is installed at the lower end of the mixing barrel 7, the stirring roller 16 is arranged inside the mixing barrel 7, and the plurality of stirring paddles 17 are arranged on the side wall of the stirring roller 16; The material discharge assembly is composed of a material discharge barrel 11, a rotating member 18 and a fixed member 19, and is used to add the powders of the dry material components into the mixing barrel 7 in proportion. The rotating member 18 is rotatably sealed in the material discharge barrel 11 and has a first discharge opening 20, and the fixed member 19 is fixedly sealed in the material discharge barrel 11 and has a second discharge opening 21; The material drying component is composed of a material drying plate 4, a material blocking ring 5 and a plurality of electric heating plates 6, and is used to dry the mixed dry material powder. The material drying plate 4 is rotatably connected to the upper end of the bottom plate 1, the material blocking ring 5 is fixedly installed on the upper end of the material drying plate 4, and the plurality of electric heating plates 6 are respectively fixedly installed on the inner wall of the vertical plate 3; The mixing assembly is moved by a driving mechanism, which includes a driving motor 31 and a main gear 12. The driving motor 31 is fixed above the top plate 2 and its output shaft passes through the bottom of the top plate 2 and is fixedly connected to the main gear 12. The main gear 12 is fixedly connected to the stirring roller 16 through the main shaft 14.

[0019] The material discharge assembly is connected to the mixing assembly through a driven mechanism, which includes multiple planetary gears 13. The multiple planetary gears 13 are distributed in a planetary shape around the main gear 12 and are all meshed with the main gear 12. Each planetary gear 13 is fixedly connected to the rotating part 18 in the material discharge barrel 11 below it through a secondary shaft 15.

[0020] The baking material assembly is connected to the unloading material assembly through a transmission mechanism. The transmission mechanism includes a ring gear 10. The ring gear 10 is meshed with a plurality of planetary gears 13. The ring gear 10 is fixedly connected to the baking material tray 4 through a plurality of connecting rods 9.

[0021] In this embodiment, when it is necessary to prepare a magnesium tundish dry material, the ratio of each component raw material of the dry material (including fused magnesia, sintered magnesia, quartz sand, binder and additive, wherein the binder is phenolic resin and the additive is aluminum oxide powder) is determined according to product requirements, and each rotating member 18 and fixed member 19 is replaced in proportion to ensure that the cross-sectional area ratio of each group of first drop openings 20 and second drop openings 21 is the same as the ratio of each component raw material, and the components of the dry material are poured into each discharge barrel 11 respectively, so that it can be ensured that within the same time when the first drop opening 20 and the second drop opening 21 are connected, the ratio of the raw materials dropped in each discharge barrel 11 is the same as the product demand ratio, and then the drive motor 31 is started, and the starter motor 31 drives the secondary shaft 15 and the rotating member 18 to rotate through the meshing action between the main gear 12 and the planetary gear 13. Whenever the first drop opening 20 and the second drop opening 21 are connected, the raw materials in each discharge barrel 11 will fall and fall into the mixing barrel 7 from their respective bends.

[0022] At the same time, the driving motor 31 drives the stirring roller 16 to rotate through the main shaft, and each stirring paddle 17 stirs and mixes the mixed raw materials. After the mixing is completed, the electromagnetic valve 8 is opened, and the mixed dry materials fall onto the baking tray 4. At this time, the electric heating plate 6 is started to dry the dry materials on the baking tray 4, and the driving motor 31 drives the ring gear 10 to rotate through the mutual meshing action between the main gear 12, the planetary gear 13 and the ring gear 10. The ring gear 10 drives the baking tray 4 to rotate synchronously through the connecting rod 9, so that the dry materials on the baking tray 4 are evenly dried by the electric heating plate 6, thereby accelerating the drying efficiency, so that it can quickly reach the dryness required by the product, so as to complete the preparation of the magnesium tundish dry materials. Embodiment 2

[0023] The difference from the first embodiment is that, referring to Figure 4-5 , this embodiment also has the following further contents: A reciprocating screw 22 is fixedly arranged between the main shaft 14 and the stirring roller 16, and a screw nut 23 is threadedly connected to the reciprocating screw 22. A scraper ring 24 is slidably fitted on the inner wall of the mixing barrel 7, and the screw nut 23 and the scraper ring 24 are fixedly connected by a cross bar 25.

[0024] In this embodiment, during and after mixing, the drive motor 31 is started, and the reciprocating screw 22 can be driven to rotate through the main shaft 14, so that the screw nut 23 and the scraper ring 24 can reciprocate vertically, and the raw material powder attached to the inner wall of the mixing barrel 7 can be cleaned and scraped off, so as to avoid the residual raw material powder from affecting the next mixing work, and further ensure that the final dry material meets the product requirements. Embodiment 3

[0025] Compared with the second embodiment, in this embodiment, the scraper ring 24 provided in the mixing barrel 7 is replaced by a scraper plate 26, one side of the scraper plate 26 slides in the mixing barrel 7, and the other side is fixed to the lead screw nut 23.

[0026] In this embodiment, not only the cleaning function of the mixing barrel 7 is retained, but also the scraper plate 26 can continuously compact the raw materials in the mixing barrel 7 when it is started during mixing. The stirring action of the stirring paddle 17 can achieve a more efficient mixing effect, thereby improving the preparation efficiency of the dry material. The setting of the scraper plate 26 can close the opening on the mixing barrel 7, effectively preventing the raw material powder from escaping from the mixing barrel 7, avoiding environmental pollution caused by the escape of raw materials, avoiding the waste of raw materials, and saving production costs. Embodiment 4

[0027] Compared with the third embodiment, this embodiment has the following further contents: A barrel cover 27 is sealed at the upper end of the mixing barrel 7, and a baffle 28 is provided at the upper end of the baffle ring 4. The upper end of the mixing barrel 7 is connected to the space below the baffle 28 through an air inlet pipe 29, and a one-way valve that only allows air to flow from bottom to top is installed in the air inlet pipe 29. The upper end and lower end of the mixing barrel 7 are connected through an exhaust pipe 30, and a one-way valve that only allows air to flow from top to bottom is installed in the exhaust pipe 30.

[0028] In this embodiment, when the scraper plate 26 reciprocates vertically, a piston reciprocating structure is formed between it and the mixing barrel 7, so that the hot air between the baffle ring 5 and the baffle 28 can be pumped into the lower end of the mixing barrel 7 through the air inlet pipe 29 and the exhaust pipe 30, so that the temperature in the mixing barrel 7 can be rapidly increased. The increase in temperature can not only improve the mixing efficiency in the mixing barrel 7, but also pre-dry the mixed dry materials, thereby reducing the duration of the subsequent drying process and further improving the dry material preparation efficiency.

[0029] The present invention also provides a method for preparing a corrosion-resistant magnesium tundish dry material in the above embodiment, comprising the following steps: S1. Determine the materials according to the ratio. Determine the ratio of each component raw material of the dry material (including fused magnesia, sintered magnesia, quartz sand, binder and additive, wherein the binder is phenolic resin and the additive is aluminum oxide powder) according to the product requirements, replace each rotating part 18 and fixed part 19 according to the ratio, ensure that the cross-sectional area ratio of each group of the first blanking port 20 and the second blanking port 21 is the same as the ratio of each component raw material, and pour each component raw material of the dry material into each blanking barrel 11 respectively; S2, mixing materials, starting the driving motor 31, so that the raw materials in each feeding barrel 11 fall into the mixing barrel 7 in proportion, and the various raw materials in the mixing barrel 7 are stirred and mixed synchronously, and the mixing time is greater than 15 minutes; S3, drying the mixed material, opening the electromagnetic valve 8, turning on the electric heater 6, and quickly drying the mixed material falling on the drying plate 4 after mixing, evaporating the water contained in the mixed material, and forming a dry material that meets the product requirements.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A corrosion-resistant magnesium tundish dry material preparation device, comprising a bottom plate (1) and a top plate (2) fixedly connected by a vertical plate (3), a mixing component, a feeding component and a drying component, characterized in that: The mixing assembly is composed of a mixing barrel (7), an electromagnetic valve (8), a stirring roller (16) and a plurality of stirring paddles (17), and is used to stir and mix the powders of various components of the dry material. The mixing barrel (7) is fixedly installed below the top plate (2), the electromagnetic valve (8) is installed at the lower end of the mixing barrel (7), the stirring roller (16) is arranged inside the mixing barrel (7), and the plurality of stirring paddles (17) are all arranged on the side wall of the stirring roller (16); The material discharge assembly is composed of a material discharge barrel (11), a rotating member (18) and a fixed member (19), and is used to add the powders of the various components of the dry material into the mixing barrel (7) in proportion; the rotating member (18) is rotatably sealed in the material discharge barrel (11) and is provided with a first material discharge opening (20); the fixed member (19) is fixedly sealed in the material discharge barrel (11) and is provided with a second material discharge opening (21); The material drying component is composed of a material drying disc (4), a material blocking ring (5) and a plurality of electric heating plates (6), and is used for drying the mixed dry material powder; the material drying disc (4) is rotatably connected to the upper end of the bottom plate (1); the material blocking ring (5) is fixedly mounted on the upper end of the material drying disc (4); and the plurality of electric heating plates (6) are respectively fixedly mounted on the inner wall of the vertical plate (3); The mixing component is moved by a driving mechanism, the feeding component is connected to the mixing component by a driven mechanism, and the baking component is connected to the feeding component by a transmission mechanism.

2. The corrosion-resistant magnesium tundish dry material preparation equipment according to claim 1 is characterized by: The driving mechanism comprises a driving motor (31) and a main gear (12); the driving motor (31) is fixed above the top plate (2) and its output shaft passes through the bottom of the top plate (2) and is fixedly connected to the main gear (12); the main gear (12) is fixedly connected to the stirring roller (16) via a main shaft (14).

3. The corrosion-resistant magnesium tundish dry material preparation equipment according to claim 1 is characterized by: The driven mechanism comprises a plurality of planetary gears (13), the plurality of planetary gears (13) being distributed in a planetary shape around the main gear (12) and meshing with the main gear (12), and each of the planetary gears (13) being fixedly connected to a rotating member (18) in a lower material discharge barrel (11) via a secondary shaft (15).

4. The corrosion-resistant magnesium tundish dry material preparation equipment according to claim 1 is characterized by: The transmission mechanism comprises a ring gear (10), the ring gear (10) being meshed with a plurality of planetary gears (13), and the ring gear (10) being fixedly connected to the baking tray (4) via a plurality of connecting rods (9).

5. The corrosion-resistant magnesium tundish dry material preparation equipment according to claim 2 is characterized by: A reciprocating screw (22) is fixedly arranged between the main shaft (14) and the stirring roller (16), a screw nut (23) is threadedly connected to the reciprocating screw (22), a scraper ring (24) is slidably fitted on the inner wall of the mixing barrel (7), and the screw nut (23) and the scraper ring (24) are fixedly connected via a cross bar (25) that is provided on both sides.

6. The corrosion-resistant magnesium tundish dry material preparation equipment according to claim 5, characterized in that: The scraper ring (24) provided in the mixing barrel (7) is replaced by a scraper plate (26), one side of the scraper plate (26) is fitted and slid in the mixing barrel (7), and the other side is fitted and fixed to the lead screw nut (23).

7. The corrosion-resistant magnesium tundish dry material preparation equipment according to claim 6 is characterized by: The upper end of the mixing barrel (7) is sealed with a barrel cover (27), the upper end of the baffle ring (4) is provided with a baffle (28), the upper end of the mixing barrel (7) is connected to the space below the baffle (28) via an air intake pipe (29), a one-way valve that only allows air to flow from bottom to top is installed in the air intake pipe (29), and the upper end and lower end of the mixing barrel (7) are connected via an exhaust pipe (30), a one-way valve that only allows air to flow from top to bottom is installed in the exhaust pipe (30).

8. A method for preparing a corrosion-resistant magnesium tundish dry material according to any one of claims 1 to 7, characterized in that: The following steps are involved: S1. Determine the materials according to the ratio. Determine the ratio of the raw materials of the dry material (including fused magnesia, sintered magnesia, quartz sand, binder and additive, wherein the binder is phenolic resin and the additive is aluminum oxide powder) according to the product requirements, replace the rotating parts (18) and the fixed parts (19) according to the ratio, ensure that the cross-sectional area ratio of the first blanking opening (20) and the second blanking opening (21) of each group is the same as the ratio of the raw materials, and pour the raw materials of the dry material into each blanking barrel (11); S2, mixing the materials, starting the driving motor (31), causing the raw materials in each material discharge barrel (11) to fall into the mixing barrel (7) in proportion, and simultaneously stirring and mixing the various raw materials in the mixing barrel (7), with the mixing time being greater than 15 minutes; S3, drying the mixed material, opening the electromagnetic valve (8), turning on the electric heater (6), and quickly drying the mixed material falling on the drying plate (4) after mixing, evaporating the water contained in the mixed material, and forming a dry material that meets the product requirements.

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