Horizontal double-shaft stirring equipment for fireproof plate raw material

Abstract

This invention discloses a horizontal twin-shaft mixing device for fireproof board raw materials, including a mixing tank and a drive device. The mixing tank contains a first mixing mechanism and a second mixing mechanism that rotate rotatably. The first mixing mechanism includes a first mixing shaft with a plurality of first mixing components arranged along its axial direction. Each first mixing component has first mixing blades, and the surface of each first mixing blade is provided with first crushing teeth. The second mixing mechanism includes a second mixing shaft with a plurality of second mixing components arranged along its axial direction. Each second mixing component has second mixing blades, and the surface of each second mixing blade is provided with second crushing teeth. This invention breaks up agglomerated raw materials using the first and second crushing teeth, resulting in rapid and uniform mixing of the fireproof board raw materials within the mixing tank. This achieves better mixing effects, effectively shortens the mixing time of the fireproof board raw materials, and is beneficial for improving industrial production efficiency and reducing production costs.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of fireproof board production equipment, and particularly relates to a horizontal double-shaft stirring equipment for fireproof board raw materials. BACKGROUND

[0002] In modern buildings, fire safety is increasingly valued. Among them, fireproof boards, as a material with both decorative and fireproof functions, have good fireproof and flame-retardant properties, and can to some extent prevent the spread of fire, thus saving valuable escape time for people. Therefore, fireproof boards are widely used in areas with high safety requirements such as kitchens, laboratories, commercial spaces, etc. Fireproof boards are decorative boards made of siliceous or calcareous materials as the main raw material, mixed with a certain proportion of fiber materials, lightweight aggregates, adhesives and chemical additives through autoclaving technology. In the production process of fireproof boards, the raw materials for processing fireproof boards often need to be mixed and stirred.

[0003] Chinese patent document CN220940387U discloses a high-efficiency mixing device for fireproof board preparation. The mixing barrel is provided with liquid feeding barrels on both sides, a discharge pipe at the lower end, and a driving motor at the upper end. The driving motor is rotationally connected to the stirring shaft through a shaft holder seat, the shaft holder seat is connected to the mixing barrel cover at the lower end, a rotating disc is provided below the mixing barrel cover and is fixedly connected to the stirring shaft, a solid feeding barrel is provided on the upper surface of the rotating disc, the stirring shaft is arranged inside the mixing barrel, horizontal rotating rods are vertically connected to the stirring shaft, a plurality of horizontal rotating rods are fixedly connected to a vertical rotating rod, wall scraping plates are connected to the horizontal rotating rods at the bottom of the mixing barrel and the vertical rotating rods on the side, and rotating blades are provided on the stirring shaft. This scheme solves the problems of solid raw materials floating on the surface, uneven stirring, and inconvenient feeding during the mixing process of fireproof board raw materials, and has the advantages of simple operation, convenience and the like.

[0004] The existing stirring equipment has the problem of uneven water supply when mixing and stirring the fireproof board raw materials, which easily causes the raw materials to agglomerate, resulting in a long stirring and mixing time of the raw materials and affecting the industrial production efficiency and production cost. Therefore, the present application provides a horizontal double-shaft stirring equipment capable of quickly mixing and stirring fireproof board raw materials. SUMMARY

[0005] The purpose of the present application is to provide a horizontal double-shaft stirring equipment for fireproof board raw materials to solve the above-mentioned problems in the prior art.

[0006] In order to achieve the above object, the present application adopts the following technical scheme: A horizontal double-shaft stirring device for fireproof plate raw materials comprises a stirring box and a driving device, a first stirring mechanism and a second stirring mechanism are arranged inside the stirring box, and the driving device is used for driving the first stirring mechanism and the second stirring mechanism to rotate in opposite directions; the first stirring mechanism comprises a first stirring shaft, a plurality of first stirring assemblies are arranged on the first stirring shaft in the axial direction, a first stirring blade parallel to the first stirring shaft is arranged on each first stirring assembly, and a first crushing tooth is arranged on the surface of the first stirring blade; the second stirring mechanism comprises a second stirring shaft, the second stirring shaft is parallel to the first stirring shaft, a plurality of second stirring assemblies are arranged on the second stirring shaft in the axial direction, a second stirring blade parallel to the second stirring shaft is arranged on each second stirring assembly, and a second crushing tooth is arranged on the surface of the second stirring blade; when the driving device drives the first stirring shaft and the second stirring shaft to rotate in opposite directions, the first stirring blade and the second stirring blade are staggered with each other, so that the first crushing tooth and the second crushing tooth cooperate with each other to crush the fireproof plate raw materials.

[0007] As an optional implementation form of the above technical scheme, the first stirring blade is provided with a first arc-shaped convex surface A and a first arc-shaped convex surface B, the first arc-shaped convex surface A and the first arc-shaped convex surface B are connected end to end, and the first arc-shaped convex surface A and the first arc-shaped convex surface B are uniformly provided with the first crushing tooth.

[0008] As an optional implementation form of the above technical scheme, the second stirring blade is provided with a second arc-shaped convex surface A and a second arc-shaped convex surface B, the second arc-shaped convex surface A and the second arc-shaped convex surface B are connected end to end, and the second arc-shaped convex surface A and the second arc-shaped convex surface B are uniformly provided with the second crushing tooth.

[0009] As an optional implementation form of the above technical scheme, the first stirring assembly comprises a first fixed ring and a first stirring ring A, the first fixed ring is mounted on the first stirring shaft, the first stirring ring A is sleeved outside the first fixed ring, and a first connecting shaft A is arranged between the first stirring ring A and the first fixed ring, and a plurality of first stirring blades arranged in a ring shape are arranged on both sides of the first stirring ring A.

[0010] As an optional implementation form of the above technical scheme, the first stirring assembly further comprises a first stirring ring B, the first stirring ring B is sleeved outside the first stirring ring A, and a first connecting shaft B is arranged between the first stirring ring B and the first stirring ring A; a plurality of first stirring blades arranged in a ring shape are arranged on both sides of the first connecting shaft B.

[0011] As an optional implementation form of the above technical solution, the first stirring assembly further comprises a first stirring ring C, the first stirring ring C is sleeved outside the first stirring ring B, and a first connecting shaft C is arranged between the first stirring ring C and the first stirring ring B; a plurality of first stirring blades arranged in a ring shape are arranged on both sides of the first stirring ring C.

[0012] As an optional implementation form of the above technical solution, the distance between the first stirring ring C and the first stirring ring B is greater than the distance between the first stirring ring B and the first stirring ring A.

[0013] As an optional implementation form of the above technical solution, the second stirring assembly comprises a second fixed ring and a second stirring ring A, the second fixed ring is mounted on the second stirring shaft, the second stirring ring A is sleeved outside the second fixed ring, and a plurality of second stirring blades arranged in a ring shape are arranged on both sides of the second stirring ring A.

[0014] As an optional implementation form of the above technical solution, the second stirring assembly further comprises a second stirring ring B, the second stirring ring B is sleeved inside the second stirring ring A, and a plurality of second stirring blades arranged in a ring shape are arranged on both sides of the second stirring ring B.

[0015] As an optional implementation form of the above technical solution, the second stirring assembly further comprises a second stirring ring C, the second stirring ring C is sleeved inside the second stirring ring B, and a plurality of second stirring blades arranged in a ring shape are arranged on both sides of the second stirring ring C.

[0016] As an optional implementation form of the above technical solution, the stirring box is provided with a heating partition, and the heating partition is provided with a heating device; a temperature sensor is arranged in the stirring box, the temperature sensor is connected with a controller, and the controller is connected with the heating device.

[0017] As an optional implementation form of the above technical solution, the heating device comprises an electric heater, a heat conducting oil storage container and a heat conducting oil circulating mechanism, the electric heater is arranged in the heat conducting oil storage container, the electric heater and the heat conducting oil circulating mechanism are connected with the controller, and the heat conducting oil circulating mechanism is respectively communicated with the heat conducting oil storage container and the heating partition.

[0018] As an optional implementation form of the above technical solution, the heat conducting oil circulating mechanism comprises a circulating pump, an oil inlet pipe and an oil outlet pipe, the circulating pump is arranged on the oil inlet pipe, both ends of the oil inlet pipe are respectively communicated with the heat conducting oil storage container and the heating partition, and both ends of the oil outlet pipe are respectively communicated with the heating partition and the heat conducting oil storage container.

[0019] As an optional implementation form of the above technical solution, the heating partition is internally provided with a spiral channel for the flow of heat conducting oil.

[0020] As an optional implementation form of the above technical solution, the top of the stirring box is provided with a premixing box, the premixing box is internally provided with a premixing stirring mechanism, and the top of the premixing box is provided with a plurality of feeding hoppers.

[0021] As an optional implementation form of the above technical solution, the driving device comprises a driving motor and a gear box, the output shaft of the driving motor is connected with the input end of the gear box, and the gear box has two output ends, and the two output ends are connected with the first stirring shaft and the second stirring shaft respectively.

[0022] The present application has the following beneficial effects: The first stirring shaft and the second stirring shaft are driven to rotate reversely by the driving device, the caked raw materials are broken by the first breaking teeth and the second breaking teeth, the raw materials of the fireproof plate are rapidly and uniformly stirred in the stirring box, a better stirring effect is achieved, the stirring time of the raw materials of the fireproof plate is effectively shortened, and the industrial production efficiency is improved and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 is a structural schematic view of the horizontal double-shaft stirring equipment for the raw materials of the fireproof plate in an implementation form of the present application; Fig. 2 is a structural schematic view of the first stirring mechanism and the second stirring mechanism in an implementation form of the present application; Fig. 3 is a structural schematic view of the first stirring assembly and the second stirring assembly in an implementation form of the present application.

[0024] In the drawing: 1-stirring box; 2-driving device; 3-first stirring shaft; 4-first stirring assembly; 5-first stirring blade; 6-first breaking tooth; 7-second stirring shaft; 8-second stirring assembly; 9-second stirring blade; 10-second breaking tooth; 11-first fixed ring; 12-first stirring ring A; 13-first stirring ring B; 14-first stirring ring C; 15-second fixed ring; 16-second stirring ring A; 17-second stirring ring B; 18-second stirring ring C; 19-heat conducting oil storage container; 20-circulating pump; 21-oil inlet pipe; 22-oil outlet pipe; 23-premixing box; 24-premixing stirring mechanism; 25-feeding hopper; 26-driving motor; 27-gear box; 28-exhaust port; 29-discharge port. DETAILED DESCRIPTION

[0025] As Figs. 1-3The embodiment shown provides a horizontal double-shaft stirring device for fireproof plate raw materials, which comprises a stirring box 1 and a driving device 2. The top of the stirring box 1 is provided with an exhaust port 28, and the bottom of the stirring box 1 is provided with a discharge port 29. The inside of the stirring box 1 is rotatably provided with a first stirring mechanism and a second stirring mechanism. The driving device 2 is used to drive the first stirring mechanism and the second stirring mechanism to rotate in opposite directions. In the present application, after the fireproof plate raw materials are put into the stirring box 1, the driving device 2 drives the first stirring mechanism and the second stirring mechanism to stir the materials at the same time, thereby improving the stirring uniformity of the materials.

[0026] The first stirring mechanism comprises a first stirring shaft 3, which is provided with a plurality of first stirring assemblies 4 along the axial direction thereof. The first stirring assemblies 4 are provided with first stirring blades 5 that are parallel to the first stirring shaft 3. The surface of the first stirring blades 5 is provided with first crushing teeth 6. The first stirring shaft 3 is connected to the driving device 2. Generally, a plurality of first stirring assemblies 4 are arranged at intervals on the first stirring shaft 3 to increase the stirring effect. Different numbers of first stirring blades 5 can be arranged on each first stirring assembly 4 as needed. The outer wall of each first stirring blade 5 is provided with first crushing teeth 6.

[0027] The second stirring mechanism comprises a second stirring shaft 7, which is parallel to the first stirring shaft 3. The second stirring shaft 7 is provided with a plurality of second stirring assemblies 8 along the axial direction thereof. The second stirring assemblies 8 are provided with second stirring blades 9 that are parallel to the second stirring shaft 7. The surface of the second stirring blades 9 is provided with second crushing teeth 10. The second stirring shaft 7 is connected to the driving device 2. Generally, a plurality of second stirring assemblies 8 are arranged at intervals on the second stirring shaft 7 to increase the stirring effect. Different numbers of second stirring blades 9 can be arranged on each second stirring assembly 8 as needed. The outer wall of each second stirring blade 9 is provided with second crushing teeth 10.

[0028] When the driving device 2 drives the first stirring shaft 3 and the second stirring shaft 7 to rotate in opposite directions, the first stirring blades 5 and the second stirring blades 9 are staggered with each other, so that the first crushing teeth 6 and the second crushing teeth 10 cooperate with each other to crush the fireproof plate raw materials. There is a staggered area between the first stirring shaft 3 and the second stirring shaft 7. When the first stirring shaft 3 and the second stirring shaft 7 rotate in opposite directions, the fireproof plate raw materials enter the staggered area, and the first stirring blades 5 and the second stirring blades 9 are staggered in the staggered area. The first crushing teeth 6 and the second crushing teeth 10 cooperate with each other to crush the caked raw materials, which is beneficial to realize the rapid mixing of the fireproof plate raw materials.

[0029] Specifically, the driving device 2 comprises a driving motor 26 and a gear box 27, an output shaft of the driving motor 26 is connected with an input end of the gear box 27, the gear box 27 has two output ends, the two output ends are connected with the first stirring shaft 3 and the second stirring shaft 7 respectively, the driving motor 26 drives the first stirring shaft 3 and the second stirring shaft 7 to realize the reverse rotation function through the gear box 27.

[0030] The first breaking teeth 6 are arranged on the surface of the first stirring blade 5, the second breaking teeth 10 are arranged on the surface of the second stirring blade 9, the first stirring shaft 3 and the second stirring shaft 7 are driven to rotate reversely by the driving device 2, the caked raw materials are broken by the first breaking teeth 6 and the second breaking teeth 10, the raw materials in the stirring box 1 are uniformly and rapidly, the better stirring effect is achieved, the stirring time of the raw materials of the fireproof plate is effectively shortened, and the industrial production efficiency is improved and the production cost is reduced.

[0031] In the embodiment, the first stirring blade 5 is provided with a first arc convex surface A and a first arc convex surface B, the first arc convex surface A and the first arc convex surface B are connected end to end, and the first breaking teeth 6 are uniformly arranged on the first arc convex surface A and the first arc convex surface B. The second stirring blade 9 adopts the same structure as the first stirring blade 5, specifically, the second stirring blade 9 is provided with a second arc convex surface A and a second arc convex surface B, the second arc convex surface A and the second arc convex surface B are connected end to end, and the second breaking teeth 10 are uniformly arranged on the second arc convex surface A and the second arc convex surface B. The first stirring blade 5 and the second stirring blade 9 have a certain length, the first breaking teeth 6 on the first stirring blade 5 and the second breaking teeth 10 on the second stirring blade 9 cooperate with each other to break the caked raw materials.

[0032] In a specific embodiment, the first stirring assembly 4 comprises a first fixed ring 11 and a first stirring ring A 12, the first fixed ring 11 is installed on the first stirring shaft 3, the first stirring ring A 12 is sleeved outside the first fixed ring 11, and a first connecting shaft A is arranged between the first stirring ring A 12 and the first fixed ring 11, four first stirring blades 5 in a ring shape are arranged on both sides of the first stirring ring A 12. Correspondingly, the second stirring assembly 8 comprises a second fixed ring 15 and a second stirring ring A 16, the second fixed ring 15 is installed on the second stirring shaft 7, the second stirring ring A 16 is sleeved outside the second fixed ring 15, and four second stirring blades 9 in a ring shape are arranged on both sides of the second stirring ring A 16. It should be noted that the number of the first stirring blades 5 on the first stirring ring A 12 and the second stirring blades 9 on the second stirring ring A 16 is set according to actual requirements, and the present application is symmetrical and not limited. The first stirring blades 5 on the first stirring ring A 12 and the second stirring blades 5 on the second stirring ring A 16 are staggered with each other to break the raw materials of the fireproof plate.

[0033] In order to further improve the stirring effect, the first stirring assembly 4 further comprises a first stirring ring B 13, which is sleeved outside the first stirring ring A 12, and a first connecting shaft B is arranged between the first stirring ring B 13 and the first stirring ring A 12; four first stirring blades 5 arranged in a ring shape are arranged on both sides of the first stirring ring B 13. The first stirring assembly 4 further comprises a first stirring ring C 14, which is sleeved outside the first stirring ring B 13, and a first connecting shaft C is arranged between the first stirring ring C 14 and the first stirring ring B 13; four first stirring blades 5 arranged in a ring shape are arranged on both sides of the first stirring ring C 14. Correspondingly, the second stirring assembly 8 further comprises a second stirring ring B 17, which is sleeved inside the second stirring ring A 16, and four second stirring blades 9 arranged in a ring shape are arranged on both sides of the second stirring ring B 17. The second stirring assembly 8 further comprises a second stirring ring C 18, which is sleeved inside the second stirring ring B 17, and four second stirring blades 9 arranged in a ring shape are arranged on both sides of the second stirring ring C 18. A second connecting shaft A is arranged between the second stirring ring A 16 and the second stirring ring B 17, a second connecting shaft B is arranged between the second stirring ring B 17 and the second stirring ring C 18, and a second connecting shaft C is arranged between the second stirring ring C 18 and the second fixed ring 15.

[0034] Among them, the first stirring blade 5 on the first stirring ring A 12 is recorded as the first stirring blade A, the first stirring blade 5 on the first stirring ring B 13 is recorded as the first stirring blade B, and the first stirring blade 5 on the first stirring ring C 14 is recorded as the first stirring blade C; the second stirring blade 9 on the second stirring ring A 16 is recorded as the second stirring blade A, the second stirring blade 9 on the second stirring ring B 17 is recorded as the second stirring blade B, and the second stirring blade 9 on the second stirring ring C 18 is recorded as the second stirring blade C. In the staggered area, the first stirring blade A is located between the second stirring blade A and the second stirring blade B, the first stirring blade B is located between the second stirring blade B and the second stirring blade C, the second stirring blade B is located between the first stirring blade A and the first stirring blade B, and the second stirring blade C is located between the first stirring blade B and the first stirring blade C. By utilizing the interaction of the plurality of first crushing teeth 6 and the plurality of second crushing teeth 10, the caked raw materials are rapidly crushed, and the stirring and mixing time of the raw materials is effectively reduced.

[0035] In a specific embodiment, the spacing between the first stirring ring C 14 and the first stirring ring B 13 is greater than the spacing between the first stirring ring B 13 and the first stirring ring A 12. Under the action of centrifugal force, larger caked raw materials enter between the first stirring ring C 14 and the first stirring ring B 13, and smaller caked raw materials enter between the first stirring ring C 14 and the first stirring ring B. 13, through regional crushing, improve the crushing effect.

[0036] The first stirring ring A12, the first stirring ring B13 and the first stirring ring C14 are all provided with the first stirring blades 5, the second stirring ring A16, the second stirring ring B17 and the second stirring ring C18 are all provided with the second stirring blades 9, the first stirring blades 5 and the second stirring blades 9 are staggered with each other, the first crushing teeth 6 and the second crushing teeth 10 are matched with each other to rapidly crush the caked raw materials, the raw materials are fully mixed, the stirring time is effectively shortened, the work efficiency is improved, and the production cost is reduced.

[0037] In an embodiment, the stirring box 1 is provided with a heating layer, the heating layer is provided with a heating device, the stirring box 1 is internally provided with a temperature sensor, the temperature sensor is connected with a controller, and the controller is connected with the heating device. The heating device heats the stirring box 1, so that the raw materials of the fireproof plate are kept at a suitable temperature, the mixing of the raw materials is promoted, and the use demand in a low-temperature environment is met.

[0038] Specifically, the heating device comprises an electric heater, a heat-conducting oil storage container 19 and a heat-conducting oil circulating mechanism, the electric heater is arranged in the heat-conducting oil storage container 19, the electric heater and the heat-conducting oil circulating mechanism are both connected with the controller, and the heat-conducting oil circulating mechanism is respectively communicated with the heat-conducting oil storage container 19 and the heating layer. The heat-conducting oil circulating mechanism comprises a circulating pump 20, an oil inlet pipe 21 and an oil outlet pipe 22, the circulating pump 20 is arranged on the oil inlet pipe 21, both ends of the oil inlet pipe 21 are respectively communicated with the heat-conducting oil storage container 19 and the heating layer, and both ends of the oil outlet pipe 22 are respectively communicated with the heating layer and the heat-conducting oil storage container 19. Preferably, the heating layer is internally provided with a spiral channel for the flow of the heat-conducting oil. After the electric heater heats the heat-conducting oil in the heat-conducting oil storage container 19 to a suitable temperature, the circulating pump 20 delivers the heat-conducting oil in the heat-conducting oil storage container 19 to the inside of the heating layer through the oil inlet pipe 21, the heat-conducting oil flows along the spiral channel and heats the stirring box 1, and the heat-conducting oil is output from the spiral channel and returned to the heat-conducting oil storage container 19 through the oil outlet pipe 22, so as to complete the circulation of the heat-conducting oil.

[0039] In an embodiment, the top of the stirring box 1 is provided with a premixing box 23, the premixing box 23 is internally provided with a premixing stirring mechanism 24, and the top of the premixing box 23 is provided with a plurality of feeding hoppers 25. Each raw material of the fireproof plate enters the premixing box 23 through the feeding hopper 25, the premixing stirring mechanism 24 is used to premix each raw material, and the premixed raw materials are delivered to the stirring box 1, so as to improve the stirring efficiency.

[0040] In the description of the application, the terms "installation", "connection", "connection", "fixation" and the like should be broadly understood, which can be fixed connection, detachable connection or integral; can be mechanical connection or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements, and those skilled in the art can understand the specific meaning of the above terms in the application. In addition, the specific features, structures and the like described in the examples are included in at least one embodiment, and those skilled in the art can combine the features of different embodiments without mutual contradiction. The protection scope of the application is not limited to the above specific embodiments, according to the basic technical concept of the application, those skilled in the art can think of embodiments without creative labor, which belong to the protection scope of the application.

Claims

1. A horizontal double shaft mixing device for fireproof board raw materials, comprising a mixing box (1) and a driving device (2), characterized in that, The mixing tank (1) is internally equipped with a first stirring mechanism and a second stirring mechanism. The driving device (2) is used to drive the first stirring mechanism and the second stirring mechanism to rotate in opposite directions. The first stirring mechanism includes a first stirring shaft (3), and the first stirring shaft (3) is provided with a plurality of first stirring components (4) along its axial direction. The first stirring components (4) are provided with first stirring blades (5) that are parallel to the first stirring shaft (3). The surface of the first stirring blades (5) is provided with first breaking teeth (6). The second stirring mechanism includes a second stirring shaft (7). The first stirring shaft (3) is parallel to the second stirring shaft (7). The second stirring shaft (7) is provided with several second stirring components (8) along its axial direction. The second stirring components (8) are provided with second stirring blades (9) that are parallel to the second stirring shaft (7). The surface of the second stirring blades (9) is provided with second crushing teeth (10). When the driving device (2) drives the first stirring shaft (3) and the second stirring shaft (7) to rotate in opposite directions, the first stirring blades (5) and the second stirring blades (9) are interlaced so that the first crushing teeth (6) and the second crushing teeth (10) cooperate with each other to crush the fireproof board material.

2. The horizontal twin shaft mixing apparatus for fireproof board raw materials according to claim 1, characterized in that, The first stirring blade (5) is provided with a first arc-shaped convex surface A and a first arc-shaped convex surface B, which are connected end to end. First crushing teeth (6) are evenly distributed on the first arc-shaped convex surface A and the first arc-shaped convex surface B. The second stirring blade (9) is provided with a second arc-shaped convex surface A and a second arc-shaped convex surface B, which are connected end to end. Second crushing teeth (10) are evenly distributed on the second arc-shaped convex surface A and the second arc-shaped convex surface B.

3. The horizontal twin shaft mixing apparatus for fireproof board raw materials according to claim 2, characterized in that, The first stirring assembly (4) includes a first fixing ring (11) and a first stirring ring A (12). The first fixing ring (11) is mounted on the first stirring shaft (3). The first stirring ring A (12) is sleeved on the outside of the first fixing ring (11). A first connecting shaft A is provided between the first stirring ring A (12) and the first fixing ring (11). Multiple first stirring blades (5) arranged in a ring shape are provided on both sides of the first stirring ring A (12).

4. The horizontal twin-axis mixing apparatus for fireproof board raw materials according to claim 3, characterized in that, The first stirring assembly (4) further includes a first stirring ring B (13), which is sleeved on the outside of the first stirring ring A (12), and a first connecting shaft B is provided between the first stirring ring B (13) and the first stirring ring A (12); both sides of the first stirring ring B (13) are provided with a plurality of first stirring blades (5) arranged in a ring shape; the first stirring assembly (4) further includes a first stirring ring C (14), which is sleeved on the outside of the first stirring ring B (13), and a first connecting shaft C is provided between the first stirring ring C (14) and the first stirring ring B (13); both sides of the first stirring ring C (14) are provided with a plurality of first stirring blades (5) arranged in a ring shape.

5. The horizontal twin shaft mixing apparatus for fireproof board raw materials according to claim 4, characterized in that, The distance between the first stirring ring C (14) and the first stirring ring B (13) is greater than the distance between the first stirring ring B (13) and the first stirring ring A (12).

6. The horizontal twin shaft mixing apparatus for fireproof board raw materials according to claim 5, characterized in that, The second stirring assembly (8) comprises a second fixed ring (15) and a second stirring ring A (16), the second fixed ring (15) is installed on the second stirring shaft (7), the second stirring ring A (16) is sleeved on the outside of the second fixed ring (15), and a plurality of second stirring blades (9) arranged in a ring shape are arranged on both sides of the second stirring ring A (16).

7. The horizontal twin-axis mixing apparatus for fireproof board raw materials according to claim 6, characterized in that, The second stirring assembly (8) further comprises a second stirring ring B (17), the second stirring ring B (17) is sleeved on the inside of the second stirring ring A (16), and a plurality of second stirring blades (9) arranged in a ring shape are arranged on both sides of the second stirring ring B (17); the second stirring assembly (8) further comprises a second stirring ring C (18), the second stirring ring C (18) is sleeved on the inside of the second stirring ring B (17), and a plurality of second stirring blades (9) arranged in a ring shape are arranged on both sides of the second stirring ring C (18).

8. The horizontal twin shaft mixing apparatus for fireproof board raw materials according to claim 1, characterized in that, The stirring box (1) is provided with a heating partition, and the heating partition is provided with a heating device; a temperature sensor is arranged in the stirring box (1), and the temperature sensor is connected with a controller, and the controller is connected with the heating device.

9. The horizontal twin shaft mixing apparatus for fireproof board raw materials according to claim 8, characterized in that, The heating device comprises an electric heater, a heat conducting oil storage container (19) and a heat conducting oil circulating mechanism, the electric heater is arranged in the heat conducting oil storage container (19), and the electric heater and the heat conducting oil circulating mechanism are connected with the controller; the heat conducting oil circulating mechanism is in communication with the heat conducting oil storage container (19) and the heating partition respectively. The heat conducting oil circulating mechanism comprises a circulating pump (20), an oil inlet pipe (21) and an oil outlet pipe (22), the circulating pump (20) is arranged on the oil inlet pipe (21), the two ends of the oil inlet pipe (21) are in communication with the heat conducting oil storage container (19) and the heating partition respectively, and the two ends of the oil outlet pipe (22) are in communication with the heating partition and the heat conducting oil storage container (19) respectively; the heating partition is internally provided with a spiral channel for the flow of heat conducting oil.

10. The horizontal twin shaft mixing apparatus for fireproof board raw materials according to claim 1, characterized in that, The top of the stirring box (1) is provided with a premixing box (23), the premixing box (23) is internally provided with a premixing stirring mechanism (24), and the top of the premixing box (23) is provided with a plurality of feeding hoppers (25); the driving device (2) comprises a driving motor (26) and a gear box (27), the output shaft of the driving motor (26) is connected with the input end of the gear box (27), and the gear box (27) has two output ends, and the two output ends are connected with the first stirring shaft (3) and the second stirring shaft (7) respectively.

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