Mixing equipment for preparing ultralow-porosity refractory material
By employing a combination design of a stirring paddle and a scraper in the mixing equipment for preparing ultra-low porosity refractory materials, and combining it with the meshing transmission of gears and racks, the problem of dead zones in mixing was solved, and rapid and uniform mixing of refractory powder and additives was achieved.
Patent Information
- Application Number
- CN202520536237.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing mixing equipment for preparing ultra-low porosity refractory materials suffers from problems such as dead zones in stirring and low mixing efficiency.
The design employs a combination of agitator and scraper, along with gear and rack transmission, to ensure that the mixing frame rotates continuously while moving back and forth, thus achieving thorough mixing of refractory powder and additives in the mixing bin.
It effectively avoids dead zones in the mixing process and improves the mixing quality and efficiency of refractory powder and additives.
Smart Images
Figure CN223971892U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of refractory material production equipment, specifically to a mixing equipment for preparing ultra-low porosity refractory materials. Background Technology
[0002] Ultra-low porosity refractories are refractory materials with extremely low porosity, typically below 12%. These materials are primarily composed of mullite (3Al₂O₃·2SiO₂) and possess excellent refractory and physical properties. The production of ultra-low porosity refractories involves three steps: raw material preparation, pressing, and high-temperature sintering. The raw material preparation step is particularly crucial. To ensure the uniform mixing of high-purity refractory powder and other additives, ultra-low porosity refractory preparation and mixing equipment is required. Existing ultra-low porosity refractory preparation and mixing equipment mostly consists of a stirring shaft and a motor. Pure refractory powder and other additives are fed into the mixing chamber. The motor drives the stirring shaft to rotate, and the stirring paddle on the stirring shaft continuously tumbles the refractory powder and additives inside the mixing chamber to achieve mixing of the refractory materials. Traditional ultra-low porosity refractory material preparation and mixing equipment only uses the motor to drive the stirring shaft to mix the refractory powder and additives. The movement trajectory of the stirring shaft is simple, and there are dead zones between the stirring paddle and the inner wall of the mixing chamber. It requires a long time of stirring to ensure that the refractory powder and additives are fully mixed, resulting in low mixing efficiency. Therefore, we propose an ultra-low porosity refractory material preparation and mixing equipment. Utility Model Content
[0003] The technical problem this invention aims to solve is to overcome existing defects and provide a mixing device for preparing ultra-low porosity refractory materials. This device includes a mixing mechanism that uses the rotation of a stirring paddle and scraper to mix the refractory powder and additives below the mixing hopper, avoiding dead zones in the mixing process. Simultaneously, the meshing action allows the stirring frame to rotate continuously while moving back and forth, achieving mixing of the refractory powder and additives above the mixing hopper. This improves the mixing efficiency of the refractory powder and additives and effectively solves the problems in the prior art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a mixing device for preparing ultra-low porosity refractory materials, including a mounting frame and a mixing mechanism;
[0005] Mounting frame: It has a mixing hopper rotatably connected inside, and a movable frame is slidably connected to the upper part of the mixing hopper;
[0006] Mixing mechanism: It includes gear one, gear two, rack plate, stirring frame and mixing assembly. Gear one and gear two are rotatably connected to the middle of the moving frame. Gear one and gear two are distributed laterally at intervals and are meshed together. The rack plate is located on the upper left side of the mixing bin. The leftmost gear one is meshed with the rack plate. The stirring frame is located at the lower end of gear one, providing a basis for mixing the refractory powder and additives above the mixing bin. The mixing assembly is located inside the mixing bin and is equipped with a mixing mechanism. The refractory powder and additives below the mixing bin are mixed by the rotation of the stirring paddle and scraper, avoiding the occurrence of mixing dead zones. At the same time, the meshing action allows the stirring frame to rotate continuously while moving back and forth, realizing the mixing of the refractory powder and additives above the mixing bin and improving the mixing efficiency of the refractory powder and additives.
[0007] Furthermore, the mixing assembly includes a mixing shaft, an agitator, and scrapers. The mixing shaft is rotatably connected to the left and right sides inside the mixing hopper. The agitator is evenly distributed on the outer surface of the mixing shaft. The scrapers are all located on the outer ends of the agitator at the bottom. The outer edges of the scrapers are fitted with the inner wall of the mixing hopper, providing a basis for mixing the refractory powder and additives below the mixing hopper.
[0008] Furthermore, the mixing assembly also includes a motor, which is located at the lower front end of the mixing hopper. The input end of the motor is electrically connected to the output end of the microcontroller, and the rear end of the output shaft of the motor is fixedly connected to the front end of the longitudinally adjacent mixing shaft, providing a stable drive for mixing the refractory powder and additives below the mixing hopper.
[0009] Furthermore, the mixing mechanism also includes a reciprocating lead screw and a second motor. The reciprocating lead screw is rotatably connected to the upper left side of the mixing chamber. The outer surface of the reciprocating lead screw is threadedly connected to the middle left side of the moving frame. The second motor is located on the upper left side of the front end of the mixing chamber. The input end of the second motor is electrically connected to the output end of the microcontroller. The rear end of the output shaft of the second motor is fixedly connected to the front end of the reciprocating lead screw, providing stable drive for the movement of the moving frame.
[0010] Furthermore, it also includes a third motor, which is located at the front end of the mounting frame. The input end of the third motor is electrically connected to the output end of the microcontroller, and the rear end of the output shaft of the third motor is fixedly connected to the front end of the mixing hopper, providing a basis for the tilting of the mixing hopper and facilitating the discharge operation.
[0011] Furthermore, the upper end of the mobile frame is provided with a protective cover, and the upper left side of the protective cover is installed in conjunction with the rack plate to provide protection for the equipment and prevent impurities from entering the equipment.
[0012] Furthermore, it also includes a microcontroller, which is located at the front right side of the mounting bracket. The input terminal of the microcontroller is electrically connected to an external power supply to provide control for hybrid operation.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This ultra-low porosity refractory material preparation and mixing equipment has the following advantages:
[0014] 1. The refractory powder and additives below the mixing hopper are continuously agitated by the rotation of the stirring paddle and scraper. The scraper contacts the inner wall of the mixing hopper, which can scrape up the refractory powder and additives located on the wall of the mixing hopper, avoiding the occurrence of dead corners in the mixing and improving the mixing quality of the ultra-low porosity refractory material preparation mixing equipment.
[0015] 2. Through the transmission of gear one and gear two in conjunction with the rack plate, the mixing frame can move back and forth while rotating continuously, so as to fully mix the refractory powder and additives above the mixing hopper. The tumbling of the mixing paddle and the stirring of the mixing frame can make the refractory powder and additives mix more quickly and evenly, thus improving the mixing efficiency of the mixing equipment for preparing ultra-low porosity refractory materials. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the structure of this utility model;
[0018] Figure 3 This is a schematic diagram of the structure of this utility model.
[0019] In the diagram: 1. Mounting frame, 2. Mixing hopper, 3. Moving frame, 4. Mixing mechanism, 41. Reciprocating screw, 42. Gear 1, 43. Gear 2, 44. Rack plate, 45. Mixing frame, 46. Mixing assembly, 461. Mixing shaft, 462. Mixing paddle, 463. Scraper, 464. Motor 1, 47. Motor 2, 5. Motor 3, 6. Microcontroller. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-3 This embodiment provides a technical solution: a mixing device for preparing ultra-low porosity refractory materials, including a mounting frame 1 and a mixing mechanism 4;
[0022] Mounting frame 1: It has a mixing bin 2 rotatably connected inside, and a movable frame 3 is slidably connected to the upper part of the mixing bin 2. A sliding column is provided on the upper right side of the mixing bin 2. The middle part of the right side of the movable frame 3 is slidably connected to the outer surface of the sliding column. It also includes a microcontroller 6, which is located at the front right side of the mounting frame 1. The input end of the microcontroller 6 is electrically connected to an external power supply to provide control for the mixing operation.
[0023] Mixing mechanism 4: It includes gear 1 42, gear 2 43, rack plate 44, stirring frame 45, and mixing assembly 46. Gear 1 42 and gear 2 43 are rotatably connected to the middle of the interior of the movable frame 3. Gear 1 42 and gear 2 43 are distributed laterally at intervals and are meshed together. Rack plate 44 is located on the upper left side of mixing bin 2. The leftmost gear 1 42 is meshed with rack plate 44. Stirring frame 45 is located at the lower end of gear 1 42. The stirring frame 45 is a triangularly distributed C-shaped frame, providing a foundation for mixing refractory powder and additives above mixing bin 2. Mixing assembly 46 is located inside mixing bin 2. Mixing assembly 46 includes mixing shaft 461 and stirring paddle 46. The mixing assembly 461 and the scraper 462 are rotatably connected to the left and right sides inside the mixing bin 2, respectively. The mixing paddle 462 is evenly distributed on the outer surface of the mixing shaft 461. The scraper 463 is distributed on the outer side of the lowest mixing paddle 462. The outer edge of the scraper 463 is fitted with the inner wall of the mixing bin 2, providing a basis for mixing the refractory powder and additives below the mixing bin 2. The mixing assembly 46 also includes a motor 464, which is distributed at the lower front end of the mixing bin 2. The input end of the motor 464 is electrically connected to the output end of the microcontroller 6. The rear end of the output shaft of the motor 464 is connected to the longitudinally adjacent mixing shaft 461. The mixing mechanism 4 includes a front-end fixed connection to provide stable drive for mixing refractory powder and additives below the mixing hopper 2. It also includes a reciprocating screw 41 and a second motor 47. The reciprocating screw 41 is rotatably connected to the upper left side of the interior of the mixing hopper 2, and its outer surface is threaded to the middle left side of the interior of the moving frame 3. The second motor 47 is located on the upper left side of the front end of the mixing hopper 2. Its input end is electrically connected to the output end of the microcontroller 6, and its output shaft rear end is fixedly connected to the front end of the reciprocating screw 41, providing stable drive for the movement of the moving frame 3. The mechanism also includes a third motor 5, located at the front end of the mounting frame 1. Its input end is electrically connected to the output end of the microcontroller 6, and its output shaft rear end is fixedly connected to the front end of the reciprocating screw 41. The rear end of the shaft is fixedly connected to the front end of the mixing bin 2, providing a foundation for the tilting of the mixing bin 2 and facilitating material discharge. The upper end of the moving frame 3 is equipped with a protective cover, and the upper left side of the protective cover is installed in conjunction with the rack plate 44. The upper left side of the protective cover is located above the rack plate 44, providing protection for the equipment and preventing impurities from entering the equipment. A mixing mechanism 4 is provided, which mixes the refractory powder and additives below the mixing bin 2 by rotating the stirring paddle 462 and the scraper 463, avoiding the occurrence of dead zones in the mixing. At the same time, through the meshing action, the stirring frame 45 can rotate continuously while moving back and forth, realizing the mixing of the refractory powder and additives above the mixing bin 2, and improving the mixing efficiency of the refractory powder and additives.
[0024] The working principle of the ultra-low porosity refractory material preparation and mixing equipment provided by this utility model is as follows: When preparing ultra-low porosity refractory materials, high-purity refractory powder and additives are first fed into the mixing chamber 2 in a specific ratio. The microcontroller 6 controls the operation of motor 464. The output shaft of motor 464 drives the mixing shaft 461 and the stirring paddle 462 to rotate, continuously agitating the surrounding refractory powder and additives. Simultaneously, the scraper 463 scrapes up the refractory powder and additives located on the wall of the mixing chamber 2, avoiding dead zones in the mixing process. At the same time, the microcontroller 6 controls the operation of motor 47. The output shaft of motor 47 drives the reciprocating screw 41 to rotate, and the moving frame 3 opens... The device moves back and forth. When the moving frame 3 moves, the leftmost gear 42 meshes with the rack plate 44 and rotates backward. The leftmost stirring frame 45 rotates synchronously. Through the meshing of gear 43, all gears 42 and stirring frames 45 rotate synchronously. The stirring frame 45 rotates continuously while moving back and forth, fully mixing the refractory powder and additives above the mixing bin 2. The tumbling of the stirring paddle 462 and the stirring of the stirring frame 45 can make the refractory powder and additives mix more quickly and evenly. After mixing, the microcontroller 6 controls the motor 5 to run. The output shaft of the motor 5 drives the mixing bin 2 to deflect to the right, and the mixed refractory material can be quickly poured out.
[0025] It is worth noting that the microcontroller 6 disclosed in the above embodiments is an S7-200 microcontroller, motor 1 464 is a Y2 motor, motor 2 47 is an SZG35F-750-120SK motor, and motor 3 5 is a YL100L1-4 motor. The microcontroller 6 controls the operation of motor 1 464, motor 2 47 and motor 3 5 using methods commonly used in the prior art.
[0026] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A mixing apparatus for the preparation of ultra-low porosity refractory materials, characterised in that: It includes the mounting frame (1) and the mixing mechanism (4); The mounting frame (1) is internally rotatably connected with the mixing bin (2), and the upper end of the mixing bin (2) is slidably connected with the moving frame (3); The mixing mechanism (4) includes a gear one (42), a gear two (43), a rack plate (44), a stirring frame (45) and a mixing assembly (46), the gear one (42) and the gear two (43) are both rotatably connected to the middle of the inside of the moving frame (3), the gear one (42) and the gear two (43) are both transversely spaced, the gear one (42) and the gear two (43) are both meshingly connected, the rack plate (44) is arranged on the left side of the upper end of the mixing bin (2), the leftmost gear one (42) is meshingly connected with the rack plate (44), the stirring frame (45) is arranged on the lower end of the gear one (42), and the mixing assembly (46) is arranged in the inside of the mixing bin (2).
2. The ultra-low porosity refractory material preparation mixing apparatus according to claim 1, characterized in that: It also includes a single-chip microcomputer (6), which is arranged on the right side of the front end of the mounting frame (1), and the input end of the single-chip microcomputer (6) is electrically connected with an external power supply.
3. The ultra-low porosity refractory material preparation mixing apparatus of claim 2, wherein: The mixing assembly (46) includes a mixing shaft (461), a stirring paddle (462) and a scraping plate (463), the mixing shaft (461) is rotatably connected to the left and right sides of the inside of the mixing bin (2), the stirring paddle (462) is uniformly arranged on the outer surface of the mixing shaft (461), and the scraping plate (463) is arranged on the outer side end of the lowermost stirring paddle (462). The outer edge of the scraping plate (463) is matched and mounted with the inner wall of the mixing bin (2).
4. The ultra-low porosity refractory material preparation mixing apparatus according to claim 3, characterized in that: The mixing assembly (46) further includes a motor one (464), which is arranged on the front lower end of the mixing bin (2), the input end of the motor one (464) is electrically connected with the output end of the single-chip microcomputer (6), and the rear end of the output shaft of the motor one (464) is fixedly connected with the front end of the longitudinally adjacent mixing shaft (461).
5. The ultra-low porosity refractory material preparation mixing apparatus of claim 2, wherein: The mixing mechanism (4) further includes a reciprocating screw rod (41) and a motor two (47), the reciprocating screw rod (41) is rotatably connected to the upper left side of the inside of the mixing bin (2), the outer surface of the reciprocating screw rod (41) is threadedly connected with the left side middle of the inside of the moving frame (3), the motor two (47) is arranged on the left side above the front end of the mixing bin (2), the input end of the motor two (47) is electrically connected with the output end of the single-chip microcomputer (6), and the rear end of the output shaft of the motor two (47) is fixedly connected with the front end of the reciprocating screw rod (41).
6. The ultra-low porosity refractory material preparation mixing apparatus of claim 2, wherein: It also includes a motor three (5), which is arranged on the front end of the mounting frame (1), the input end of the motor three (5) is electrically connected with the output end of the single-chip microcomputer (6), and the rear end of the output shaft of the motor three (5) is fixedly connected with the front end of the mixing bin (2).
7. The ultra-low porosity refractory material preparation mixing apparatus of claim 1, wherein: The upper end of the moving frame (3) is provided with a protective cover, and the upper left side of the protective cover is matched and mounted with the rack plate (44).