Raw material mixing device for refractory material production

Abstract

The invention relates to the technical field of material mixing equipment, and particularly discloses a raw material mixing device for refractory material production, which comprises a tank body, a plurality of bulk material boxes are arranged in the tank body, the bulk material boxes can rotate in the tank body, each bulk material box consists of a frame body and a bushing, the bushing is fixedly mounted at the bottom of the frame body and is used for dispersing and feeding materials, and the bulk material boxes are arranged in the tank body. Baffles are arranged in the frame bodies, can slide in the frame bodies to change the inclination angle and are used for shielding the bushing plate, and a net plate is arranged between every two adjacent frame bodies; according to the raw material mixing device for refractory material production, raw materials can be uniformly fed into the tank body through rotary material scattering of the material scattering boxes, and the proportion of feeding rates of different material scattering boxes can be kept consistent with the batching proportion of the raw materials by adjusting the discharging flow of the material scattering boxes, so that when the material scattering boxes conduct rotary discharging, the raw materials can be uniformly fed into the tank body. And various materials can be relatively uniformly and preliminarily mixed in the discharging stage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mixing equipment, in particular to a raw material mixing device for refractory production. BACKGROUND

[0002] Refractory material refers to a kind of inorganic non-metallic material with refractoriness not less than 1580 DEG C, which has the characteristics of high temperature resistance, thermal shock resistance, chemical corrosion resistance and is widely used in metallurgy, building materials, electric power, chemical industry and other high-temperature industrial fields. In the production of refractory materials, a variety of raw materials need to be uniformly mixed according to a specific proportion by a mixing device.

[0003] In the use of the existing refractory material mixing device, the raw materials are mostly put in a fixed position at one time, and the raw materials after being put in are not evenly distributed in the device. The concentration of raw materials in each area of the device is too different, and the raw materials after being put in are prone to stratified accumulation, resulting in a long mixing period. In the mixing of raw materials, the stirring member is mostly fixed in position, resulting in fixed stirring height and stirring position. In the mixing of raw materials, the stirring dead angle is large, and the raw materials can only be stirred at a fixed height. The turning effect between the upper and lower layers of raw materials is poor, the stratification of raw materials is serious, and the mixing efficiency and mixing quality of raw materials are affected. SUMMARY

[0004] The present application provides a raw material mixing device for refractory production, which aims to solve the problem that in the related art, raw materials are mostly put in a fixed position at one time, the raw materials after being put in are not evenly distributed in the device, and the stirring height and stirring position of the stirring member in the mixing of raw materials are fixed, and the turning effect between the upper and lower layers of raw materials is poor.

[0005] The raw material mixing device for refractory production of the present application comprises a tank body, a plurality of bulk material boxes are arranged in the tank body, and the bulk material boxes can rotate in the tank body. Each bulk material box is composed of a frame body and a sieve plate. The sieve plate is fixedly installed at the bottom of the frame body and is used for dispersing and feeding materials. A baffle is arranged in the frame body and can slide in the frame body to change the inclination angle and shield the sieve plate. A mesh plate is arranged between two adjacent frame bodies. A middle shaft is rotatably arranged in the tank body. A connecting cylinder is fixedly installed on the middle shaft and can rotate in the tank body with the middle shaft. The top end of the connecting cylinder penetrates the mesh plate and extends above it. A screw conveyor shaft is arranged in the connecting cylinder and can rotate with the movement of the connecting cylinder to push the materials in the connecting cylinder upwards. A stirring frame is slidably arranged outside the connecting cylinder and can slide up and down outside the connecting cylinder with the rotation of the connecting cylinder. A stirring shaft is arranged on the stirring frame and can stir the materials with the rotation of the screw conveyor shaft.

[0006] Preferably, the net plate is provided with a mounting shaft capable of rotating relative to the net plate, the end of the mounting shaft is fixedly provided with a bevel gear, the auger conveying shaft is coaxially provided with a bevel gear ring engaged with the bevel gear, the other end of the mounting shaft is fixedly provided with a transmission gear, and the inner wall of the tank body is coaxially provided with a transmission gear ring engaged with the transmission gear.

[0007] Preferably, the stirring frame is composed of a ring sleeve and a crossbar, the ring sleeve is slidingly assembled on the outside of the connecting cylinder, and the crossbar is fixedly provided with a plurality of lateral walls on the ring sleeve.

[0008] Preferably, the ring sleeve is fixedly provided with a connecting rod, the end of the connecting rod is fixedly provided with a sliding shaft, the inner wall of the tank body is fixedly provided with a guide ring, the guide ring is provided with a fluctuation groove, and the end of the sliding shaft is slidingly arranged in the fluctuation groove.

[0009] Preferably, the stirring shaft is composed of a main shaft and a side rod, the main shaft is rotatably assembled at the end of the crossbar, the top end of the main shaft penetrates through the net plate and extends above the net plate, and the main shaft can slide up and down in the net plate, and the side rod is fixedly arranged in the tank body and connected with the main shaft.

[0010] Preferably, the top end of the main shaft is fixedly provided with a gear shaft, the top end of the auger conveying shaft is coaxially provided with a driving gear engaged with the gear shaft, and the thickness of the gear shaft is greater than the thickness of the driving gear.

[0011] Preferably, the upper end and the lower end of the baffle plate are rotatably provided with an upper sliding block and a lower sliding block, respectively, the inner wall of the frame body is provided with a vertical groove, the upper sliding block is slidingly assembled in the vertical groove, the leakage plate is provided with a horizontal groove, the lower sliding block is slidingly assembled in the horizontal groove, and the leakage plate is further provided with a plurality of leakage holes.

[0012] Preferably, the bottom of the leakage plate is fixedly provided with a side plate located at the side of the horizontal groove, the side plate is rotatably provided with a screw rod, the screw rod is threadedly connected with a sliding sleeve, and the sliding sleeve is fixedly connected with the lower sliding block.

[0013] Preferably, the top of the tank body is provided with a top plate, the top plate is provided with a plurality of storage boxes, the plurality of storage boxes correspond to the plurality of bulk bins one by one, each storage box is provided with an electromagnetic valve, the electromagnetic valve is opened when the corresponding bulk bin moves below the storage box and is closed when the bulk bin moves away from the storage box.

[0014] Preferably, the bottom of the tank body is provided with a discharge groove, and the discharge groove is provided with a partition plate inserted into the tank body.

[0015] Beneficial effects: The application can uniformly pour the raw materials into the tank body by rotating the bulk material box, and can keep the proportion of the pouring rate of different bulk material boxes consistent with the proportion of the raw materials, so that the multiple materials can be preliminarily mixed in the down-flow stage, the uneven distribution of the materials in the tank body, the too large difference of the distribution concentration in each area, the stratified accumulation and other adverse conditions can be effectively avoided, the mixing of the materials is more efficient and fast, and the upper layer materials can be better turned to the upper layer by combining the up-down turning and the movable undulating stirring, so that the materials in different layers can be effectively stirred, the stirring coverage area can be increased, the stirring dead angle can be reduced, the stratification of the materials can be effectively avoided, the mixing effect of the materials is improved, and the overall mixing cycle is greatly shortened. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the application.

[0017] Figure 2 is a sectional view of the application.

[0018] Figure 3 is an enlarged structural schematic view of A in the application. Figure 2

[0019] Figure 4 is an enlarged structural schematic view of B in the application. Figure 2

[0020] Figure 5 is a perspective view of the bulk material box in the tank body of the application.

[0021] Figure 6 is a top view of the application. Figure 5

[0022] Figure 7 is a sectional view of the bulk material box of the application.

[0023] Figure 8 is a perspective view of the stirring frame and the stirring shaft of the application.

[0024] REFERENCE NUMERALS: ​​​10, tank; 11, top plate; 12, storage box; 13, discharge chute; 14, partition; 20, bulk bin; 21, frame; 211, vertical groove; 22, sieve plate; 221, sieve hole; 222, horizontal groove; 23, mesh plate; 231, support seat; 30, stirring assembly; 31, central shaft; 311, push plate; 32, connecting cylinder; 321, notch; 322, auger conveying shaft; 323, drive gear; 33, stirring frame; 331, ring sleeve; 332, crossbar; 34, stirring shaft; 341, main shaft; 342, side rod; 343, gear shaft; 40, lifting mechanism; 41, connecting rod; 42, guide ring; 421, undulating groove; 43, sliding shaft; 50, transmission assembly; 51, mounting shaft; 52, bevel gear; 53, bevel gear ring; 54, transmission gear; 55, transmission gear ring; 60, flow regulating mechanism; 61, baffle; 62, upper sliding block; 63, lower sliding block; 70, pushing assembly; 71, side plate; 72, screw; 73, sliding sleeve. DETAILED DESCRIPTION

[0025] Embodiments of the present application are described in detail below with reference to examples illustrated in the accompanying drawings. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0026] As Figures 1 to 8 shown, the raw material mixing device for refractory production of the present application includes a tank 10, a bulk bin 20, a stirring assembly 30, a lifting mechanism 40, a transmission assembly 50, a flow regulating mechanism 60, and a pushing assembly 70. The bulk bin 20 is provided in the tank 10 and can rotate to discharge material in the tank 10. The discharge flow of the bulk bin 20 can be adjusted by the pushing assembly 70 in cooperation with the flow regulating mechanism 60, so that the discharge rate of different materials can be consistent with the proportion of the raw materials, and the materials can be uniformly distributed and mixed in the tank 10. The stirring assembly 30 is arranged in the tank 10 and can move and stir the materials under the cooperation of the transmission assembly 50, and turn over the materials in the upper and lower layers.

[0027] Referring to Figure 1 and Figure 2The top of the tank body 10 is provided with a top plate 11, and a plurality of storage boxes 12 are arranged on the top plate 11 and used for storing raw materials. The plurality of storage boxes 12 correspond to a plurality of bulk material boxes 20 one by one. An electromagnetic valve is arranged in each storage box 12. The electromagnetic valve can be opened when the bulk material box 20 corresponding to the storage box 12 moves to below the storage box 12 to fill the material, and the electromagnetic valve can be closed after the bulk material box 20 moves away from the storage box 12 to stop discharging the material. A discharge slot 13 is arranged at the bottom of the tank body 10. A partition plate 14 is inserted into the tank body 10 above the discharge slot 13 and used for closing the discharge slot 13. The discharge slot 13 can be closed by pulling out the partition plate 14 from the tank body 10, and then the discharge can be performed.

[0028] Referring to Figure 2 , Figure 5 , Figure 6 and Figure 7 The bulk material box 20 is composed of a frame body 21 and a leakage plate 22. The leakage plate 22 is fixedly installed at the bottom of the frame body 21, and a plurality of groups of leakage holes 221 are arranged in the leakage plate 22. The material entering the frame body 21 can be dispersed into the tank body 10 through the leakage holes 221 of the leakage plate 22 to complete the feeding. A mesh plate 23 is fixedly installed between two adjacent frame bodies 21 and used for dispersing the material during the material turning.

[0029] Referring to Figures 5 to 7 The flow regulating mechanism 60 includes a baffle 61, an upper sliding block 62 and a lower sliding block 63. The baffle 61 is arranged in the frame body 21 in an inclined manner. The upper end of the baffle 61 is arranged close to the inner wall of the frame body 21, and the lower end of the baffle 61 is arranged close to the leakage plate 22. The upper sliding block 62 and the lower sliding block 63 are respectively rotatably connected to the upper end and the lower end of the baffle 61. A vertical slot 211 is arranged on the inner wall of the frame body 21. The upper sliding block 62 is slidingly assembled in the vertical slot 211. A horizontal slot 222 is arranged in the leakage plate 22. The lower sliding block 63 is slidingly assembled in the horizontal slot 222. The lower sliding block 63 slides in the horizontal slot 222 to drive the bottom end of the baffle 61 to move on the leakage plate 22, and the upper sliding block 62 slides in the vertical slot 211 to change the inclination angle of the baffle 61, thereby changing the shielding area of the baffle 61 to the leakage holes 221 and regulating the flow of the material.

[0030] Referring to Figure 6 and Figure 7The pushing component 70 includes a side plate 71, a screw 72, and a sliding sleeve 73. The side plate 71 is fixedly installed at the bottom of the slot 22 and located on the side of the transverse groove 222. The screw 72 is rotatably mounted on the side plate 71. The sliding sleeve 73 is threaded to the outside of the screw 72 and fixed to the lower slider 63, so that when the screw 72 rotates, it can push the sliding sleeve 73 to move the lower slider 63, thereby changing the tilt angle of the baffle 61 and adjusting the discharge flow of the bulk material box 20. An adjusting motor is provided at the end of the screw 72, which can drive the screw 72 to rotate and adjust the discharge flow. An adjusting motor is provided at the end of the screw 72 and fixed on the side plate 71, which can drive the screw 72 to rotate and thereby adjust the tilt angle of the baffle 61.

[0031] refer to Figure 2 and Figure 8 The mixing assembly 30 includes a central shaft 31, a connecting cylinder 32, a mixing frame 33, and a mixing shaft 34. The central shaft 31 is coaxially rotatably mounted inside the tank 10. The connecting cylinder 32 is vertically fixed on the central shaft 31, and its top end is open. The mixing frame 33 is slidably mounted on the connecting cylinder 32. The mixing shaft 34 is mounted on the mixing frame 33. The rotation of the central shaft 31 drives the connecting cylinder 32 to move inside the tank 10. The connecting cylinder 32 drives the mixing frame 33 and the mixing shaft 34 to move inside the tank 10, thereby agitating and mixing the material. A drive motor is installed at the top of the central shaft 31 above the top plate 11 to drive the rotation of the central shaft 31. A push plate 311 is also fixedly installed on the central shaft 31. The push plate 311 is set close to the bottom wall of the tank 10 and can push the material into the discharge trough 13 during discharge.

[0032] refer to Figure 2 , Figure 5 as well as Figure 8 The top of the connecting cylinder 32 passes through the mesh plate 23 and extends above it. A notch 321 is provided on the side wall of the connecting cylinder 32 so that the connecting cylinder 32 is connected to the tank 10, allowing the material to enter the interior of the connecting cylinder 32. The connecting cylinder 32 is equipped with a rotating auger conveyor shaft 322. When the connecting cylinder 32 rotates with the central shaft 31, the auger conveyor shaft 322 rotates inside the connecting cylinder 32, thereby conveying the material entering the connecting cylinder 32 upward and discharging it from the top of the connecting cylinder 32 to the top of the mesh plate 23, thus effectively turning the material in the tank 10 between the upper and lower layers.

[0033] refer to Figure 2 and Figure 8 The stirring frame 33 is composed of a ring 331 and a crossbar 332. The ring 331 is slidably mounted on the outside of the connecting cylinder 32, and the crossbar 332 has multiple transverse fixed to the side wall of the ring 331.

[0034] refer to Figure 2 and Figure 8The stirring shaft 34 is composed of a main shaft 341 and a side rod 342. The main shaft 341 is rotatably arranged at the end of the cross rod 332, the top end of the main shaft 341 penetrates the mesh plate 23 and extends above the mesh plate 23, and the main shaft 341 can slide up and down in the mesh plate 23. The side rod 342 is fixed to the main shaft 341 in the tank 10, so that when the stirring shaft 34 rotates, the side rod 342 can stir and mix the materials.

[0035] With reference to Figure 3 , Figure 5 and Figure 8 , the top end of the main shaft 341 is fixedly installed with a gear shaft 343, the top end of the auger conveying shaft 322 is coaxially fixedly installed with a driving gear 323 engaged with the gear shaft 343, and the thickness of the gear shaft 343 is greater than that of the driving gear 323, so that when the auger conveying shaft 322 rotates, the driving gear 323 can drive the gear shaft 343 to rotate, so that the main shaft 341 rotates, and the gear shaft 343 can always be engaged with the driving gear 323 during the lifting and lowering of the main shaft 341, without affecting the rotation of the main shaft 341.

[0036] With reference to Figure 4 and Figure 8 , the lifting mechanism 40 includes a connecting rod 41, a guide ring 42, and a sliding shaft 43. The connecting rod 41 is fixedly installed on the ring sleeve 331, the guide ring 42 is fixedly installed on the inner wall of the tank 10, and the guide ring 42 is provided with a wave-shaped undulating groove 421, the end of the sliding shaft 43 is slidably arranged in the undulating groove 421, and the other end of the sliding shaft 43 is fixedly connected with the connecting rod 41, so that when the stirring frame 33 moves with the connecting cylinder 32, the connecting rod 41 can slide in the undulating groove 421 with the sliding shaft 43, the sliding shaft 43 is guided to rise and fall by the undulating groove 421, and then the connecting rod 41 and the stirring frame 33 are lifted and lowered, and then the stirring shaft 34 is better stirred in the tank 10, the stirring range is increased, and the stirring dead angle is reduced.

[0037] With reference to Figure 3 , Figure 5 and Figure 6The transmission assembly 50 comprises a mounting shaft 51, a bevel gear 52, a bevel gear ring 53, a transmission gear 54 and a transmission gear ring 55. The mounting shaft 51 is arranged on the screen plate 23 in the radial direction of the tank body 10 and can rotate relative to the screen plate 23. The bevel gear 52 is fixedly installed at the end of the mounting shaft 51. The bevel gear ring 53 is coaxially fixed on the auger conveying shaft 322 and is in engagement with the bevel gear 52. The transmission gear 54 is fixedly installed at the end of the mounting shaft 51 away from the bevel gear 52. The transmission gear ring 55 is coaxially fixed on the inner wall of the tank body 10 and is in engagement with the transmission gear 54. When the connecting cylinder 32 moves to push the screen plate 23, the transmission gear ring 55 drives the transmission gear 54 to rotate, so that the mounting shaft 51 rotates on the screen plate 23, the bevel gear 52 pushes the bevel gear ring 53 to make the auger conveying shaft 322 rotate synchronously, and then the material in the connecting cylinder 32 is lifted to complete the material turning. The screen plate 23 is fixedly installed with a support seat 231, and the mounting shaft 51 is rotatably arranged in the support seat 231.

[0038] Working principle: the lower sliding block 63 is moved by rotating the screw rod 72 to push the sliding sleeve 73, the lower sliding block 63 slides in the transverse groove 222 to drive the bottom end of the baffle 61 to move on the leakage plate 22, the upper sliding block 62 slides in the vertical groove 211 to change the inclination angle of the baffle 61, thereby changing the shielding area of the baffle 61 to the leakage hole 221, and then adjusting the discharge flow of the material, so as to adjust the discharge flow of the plurality of bulk bins 20 according to the mixing ratio of different materials, and then when the bulk bin 20 moves to the corresponding storage bin 12 below, the electromagnetic valve is opened to fill the bulk bin 20 with material.

[0039] The middle shaft 31 is driven to rotate to drive the connecting cylinder 32 to rotate in the tank body 10, so that the connecting cylinder 32 pushes the screen plate 23 to rotate the bulk bin 20 to uniformly discharge a plurality of materials according to the proportioning ratio, and the transmission gear 54 driven by the transmission gear ring 55 to rotate with the connecting cylinder 32 moves, so that the mounting shaft 51 rotates on the screen plate 23, the bevel gear 52 pushes the bevel gear ring 53 to make the auger conveying shaft 322 rotate synchronously, and then pushes the material in the connecting cylinder 32 to lift, so that the material is discharged from the top end of the connecting cylinder 32 to the screen plate 23 and then dispersed and put into the upper layer of the material, so as to complete the turning of the upper and lower layers of the material.

[0040] When the screw conveyor shaft 322 rotates, the gear shaft 343 is driven to rotate by the driving gear 323, so that the main shaft 341 rotates, and the side rod 342 rotates to stir the material, and the material in the tank body 10 is better moved and stirred, while the stirring frame 33 moves with the connecting cylinder 32, the connecting rod 41 can slide the slide shaft 43 in the undulating groove 421, the slide shaft 43 is guided to rise and fall by the undulating groove 421, and then the connecting rod 41 and the stirring frame 33 are lifted, and then the stirring shaft 34 is lifted up and down while stirring the material, so that the side rod 342 is stirred up and down.

[0041] In the present application, the raw materials can be uniformly fed into the tank body 10 by rotating the bulk bin 20, and the proportion of the feeding rate between different bulk bins 20 can be consistent with the proportion of the raw materials by adjusting the discharge flow of the bulk bin 20, so that the bulk bin 20 can preliminarily mix the materials in the discharge stage relatively uniformly when discharging, effectively avoiding the uneven distribution of the materials in the tank body 10, the too large difference in the distribution concentration of each area, the stratified accumulation and other adverse conditions, so that the mixing of the materials is more efficient and fast, and the upper layer of the material can be better turned over by the combination of the up-and-down stirring and the movable undulating stirring in the stirring, and the materials in different layers can be effectively stirred, which can increase the stirring coverage area, reduce the stirring dead angle, effectively avoid the stratification of the materials, improve the mixing effect of the materials, and greatly shorten the overall mixing cycle.

[0042] Although the embodiments of the present application have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-mentioned embodiments within the scope of the present application.

Claims

1. A raw material mixing device for refractory material production, comprising a tank (10), characterized in that, Multiple bulk material boxes (20) are provided inside the tank (10), and the bulk material boxes (20) can rotate inside the tank (10). Each bulk material box (20) is composed of a frame (21) and a sluice plate (22). The sluice plate (22) is fixedly installed at the bottom of the frame (21) for dispersing and feeding materials. A baffle (61) is provided inside the frame (21), which can slide inside the frame (21) to change the tilt angle and is used to block the sluice plate (22). A mesh plate (23) is provided between two adjacent frames (21). The tank body (10) is equipped with a central shaft (31) for rotation. A connecting cylinder (32) is fixedly installed on the central shaft (31) and can rotate with the central shaft (31) inside the tank body (10). The top of the connecting cylinder (32) passes through the mesh plate (23) and extends above it. An auger conveyor shaft (322) is provided inside the connecting cylinder (32) and can rotate with the movement of the connecting cylinder (32) to push the material inside the connecting cylinder (32) to rise. A stirring frame (33) is slidably mounted on the outside of the connecting cylinder (32), which can slide up and down on the outside of the connecting cylinder (32) as the connecting cylinder (32) rotates. A stirring shaft (34) is provided on the stirring frame (33), which can stir the material as the auger conveyor shaft (322) rotates.

2. The raw material mixing device for refractory material production according to claim 1, characterized in that, The mesh plate (23) is provided with an installation shaft (51), and the installation shaft (51) can rotate relative to the mesh plate (23). A bevel gear (52) is fixedly installed at the end of the installation shaft (51). A bevel gear ring (53) that meshes with the bevel gear (52) is coaxially fixed on the auger conveyor shaft (322). A transmission gear (54) is fixedly installed at the other end of the installation shaft (51). A transmission gear ring (55) that meshes with the transmission gear (54) is coaxially fixed on the inner wall of the tank (10).

3. The raw material mixing device for refractory material production according to claim 1, characterized in that, The stirring rack (33) consists of a ring (331) and a crossbar (332). The ring (331) is slidably mounted on the outside of the connecting cylinder (32), and the crossbar (332) has multiple transversely fixed to the side wall of the ring (331).

4. The raw material mixing device for refractory material production according to claim 3, characterized in that, A connecting rod (41) is fixedly installed on the ring (331), and a sliding shaft (43) is fixedly installed at the end of the connecting rod (41). A guide ring (42) is fixedly installed on the inner wall of the tank (10), and an undulating groove (421) is opened in the guide ring (42). The end of the sliding shaft (43) is slidably arranged in the undulating groove (421).

5. The raw material mixing device for refractory material production according to claim 4, characterized in that, The stirring shaft (34) consists of a main shaft (341) and a side rod (342). The main shaft (341) is rotatably mounted on the end of the cross rod (332). The top end of the main shaft (341) passes through the mesh plate (23) and extends above it, and can slide up and down inside the mesh plate (23). The side rod (342) is located inside the tank (10) and is fixed to the main shaft (341).

6. The raw material mixing device for refractory material production according to claim 5, characterized in that, A gear shaft (343) is fixedly installed at the top end of the main shaft (341), and a drive gear (323) that meshes with the gear shaft (343) is fixedly installed coaxially at the top end of the auger conveyor shaft (322), and the thickness of the gear shaft (343) is greater than the thickness of the drive gear (323).

7. The raw material mixing device for refractory material production according to claim 1, characterized in that, The upper and lower ends of the baffle (61) are respectively rotatably equipped with an upper slider (62) and a lower slider (63). A vertical groove (211) is provided on the inner wall of the frame (21). The upper slider (62) is slidably assembled inside the vertical groove (211). A horizontal groove (222) is provided inside the sluice plate (22). The lower slider (63) is slidably assembled inside the horizontal groove (222). Multiple sets of sluice holes (221) are also provided inside the sluice plate (22).

8. The raw material mixing device for refractory material production according to claim 7, characterized in that, The bottom of the sluice plate (22) is fixedly installed with a side plate (71) located on the side of the transverse groove (222). A screw (72) is rotatably mounted on the side plate (71). A sliding sleeve (73) is threadedly connected to the screw (72), and the sliding sleeve (73) is fixed to the lower slider (63).

9. The raw material mixing apparatus for refractory material production according to any one of claims 1-8, characterized in that, The top of the tank (10) is provided with a top plate (11), and multiple storage boxes (12) are provided on the top plate (11). The multiple storage boxes (12) correspond one-to-one with multiple bulk material boxes (20). Each storage box (12) is provided with a solenoid valve. The solenoid valve can be opened when the corresponding bulk material box (20) moves below it and closed after the bulk material box (20) moves away from the storage box (12).

10. The raw material mixing apparatus for refractory material production according to any one of claims 1-8, characterized in that, The bottom of the tank (10) is provided with a discharge trough (13), and a partition (14) inserted into the tank (10) is provided above the discharge trough (13).

Images