Mixing device for nozzle brick preparation

Abstract

The utility model discloses a mixing device for nozzle brick preparation. The mixing device comprises a first mixing mechanism, a second mixing mechanism and a main raw material feeding mechanism, the first mixing mechanism and the main raw material feeding mechanism are both communicated with the second mixing mechanism; the first mixing mechanism comprises a mixing barrel; a fixed seat is arranged at the top of the mixing barrel; a plurality of auxiliary raw material feeding barrels are uniformly distributed on the fixed seat; a switch valve is arranged at an outlet in the bottom of each auxiliary raw material feeding barrel, and a quantitative weighing mechanism is arranged at the bottom of each auxiliary raw material feeding barrel. And a first stirring assembly is arranged below the quantitative weighing mechanism in the mixing barrel. By means of the auxiliary raw material feeding barrel and the quantitative weighing mechanism at the bottom of the auxiliary raw material feeding barrel, various auxiliary raw materials can be accurately metered, it is guaranteed that the raw material proportion mixed every time is accurate, and the quality stability and consistency of nozzle bricks are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of submerged nozzle brick production, in particular to a mixing device for preparing submerged nozzle bricks. Background Art

[0002] The mixing of submerged nozzle bricks refers to the mixed materials used to manufacture submerged nozzle bricks. A submerged nozzle brick is a refractory steel water outlet embedded in the bottom seat brick of a ladle, and its material and performance have an important impact on the pouring process of molten steel. In the process of preparing submerged nozzle bricks, mixing is a complex and delicate process that requires strict control of the raw material ratio of additives to ensure the quality and performance of the final product. At present, the mixing ratio of the raw materials for submerged nozzle bricks generally relies on manual weighing and then putting them in, resulting in relatively low production efficiency. Moreover, the current mixing device is not uniform enough during mixing, making the quality of the prepared submerged nozzle bricks unable to meet the increasing usage requirements.

[0003] Therefore, it is necessary to design a mixing device for preparing submerged nozzle bricks to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a mixing device for preparing submerged nozzle bricks to solve the problems in the prior art, such as low production efficiency due to manual weighing and putting of raw materials and uneven stirring, which affects the quality of submerged nozzle brick preparation.

[0005] The technical solution of the utility model is realized as follows: A mixing device for preparing submerged nozzle bricks includes a first mixing mechanism, a second mixing mechanism, and a main raw material feeding mechanism; the first mixing mechanism and the main raw material feeding mechanism are both connected to the second mixing mechanism; the first mixing mechanism includes a mixing barrel; a fixed seat is arranged on the top of the mixing barrel; a plurality of auxiliary raw material feeding cylinders are evenly distributed on the fixed seat; a switch valve is arranged at the outlet at the bottom of the auxiliary raw material feeding cylinder, and a quantitative weighing mechanism is arranged at the bottom of each auxiliary raw material feeding cylinder; a first stirring component is arranged below the quantitative weighing mechanism in the mixing barrel.

[0006] The quantitative weighing mechanism includes a feeding pipe arranged at the outlet of the auxiliary raw material feeding cylinder and a quantitative scale rotatably arranged at the outlet of the feeding pipe; a first driving motor for driving the quantitative scale to rotate to open or close the outlet of the feeding pipe is arranged on the outer side of the feeding pipe.

[0007] The first stirring component includes a first stirring shaft rotatably connected to the mixing barrel; an inner spiral piece is arranged on the inner circle of the first stirring shaft, and an outer spiral piece offset from the inner spiral piece is arranged on the outer circle; a second driving motor for driving the first stirring shaft to move is arranged on the outer side of the mixing barrel.

[0008] The auxiliary raw material feeding cylinder is positioned with the fixed seat through a step.

[0009] The second mixing mechanism includes a mixing box; two second stirring shafts are rotatably arranged inside the mixing box; the second stirring shafts are provided with spiral stirring blades, one end of the mixing box is provided with a power mechanism for synchronously driving the two second stirring shafts to operate, and the other end is provided with an openable discharge door.

[0010] The power mechanism comprises a third drive motor; one of the second stirring shafts is connected to the output shaft of the third drive motor, and the other second stirring shaft is transmission-connected to the output shaft of the third drive motor via a gear set.

[0011] The main raw material feeding mechanism is an auger conveyor.

[0012] By adopting the above technical solution, the utility model has the following beneficial effects: (1) The utility model can realize accurate measurement of various auxiliary raw materials by setting the auxiliary raw material feeding cylinder and the quantitative weighing mechanism at the bottom thereof, ensuring that the raw material ratio of each mixing is accurate and correct, thereby improving the quality stability and consistency of the nozzle brick. At the same time, the first stirring component in the first mixing mechanism adopts the design of internal and external screw disc staggering, which effectively enhances the stirring effect, makes the raw material mixing more uniform, and improves the mixing efficiency.

[0013] (2) The entire mixing device of the utility model integrates multiple functions such as quantitative weighing, automatic feeding, stirring and mixing, and realizes automatic operation through motor drive, which reduces manual intervention, reduces labor intensity, and improves production efficiency. In particular, the combination of the quantitative weighing mechanism and the first drive motor realizes precise control of the lowering of raw materials, further improving the level of automation.

[0014] (3) The auxiliary raw material loading barrel of the utility model is positioned by steps and a fixed seat, which is not only firmly installed but also easy to disassemble and clean, thereby ensuring the hygiene of the equipment and the reliability of long-term use. In addition, the second mixing mechanism adopts a double-axis stirring design, which is synchronously driven by a gear set to ensure the uniformity and stability of stirring. At the same time, the setting of the discharge door facilitates the rapid discharge of the mixed materials, thereby improving the smoothness of the production process.

[0015] (4) The main raw material feeding mechanism of the utility model adopts an auger conveyor. This design not only has high conveying efficiency, but also can stir the main raw material, so that the main raw material can be better mixed with the auxiliary raw material.

[0016] (5) The entire mixing device has a compact structure and reasonable layout, and the various components work well together, and the operation is stable and reliable. Through optimized design and precision manufacturing, the long-term stable operation and efficient production of the equipment are ensured, providing strong support for the preparation of nozzle bricks. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] To make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to specific embodiments and in conjunction with the attached drawings, wherein

[0018] Figure 1 is a schematic structural view of the present utility model.

[0019] Figure 2 is a schematic distribution structure view of the auxiliary raw material feeding cylinder of the present utility model.

[0020] Figure 3 is a schematic structural view of the second mixing mechanism of the present utility model.

[0021] The reference numerals in the drawings are:

[0022] The first mixing mechanism 1, mixing barrel 1-1, fixed seat 1-2, auxiliary raw material feeding cylinder 1-3, switching valve 1-4, first stirring assembly 1-5, first stirring shaft 1-5-1, inner spiral blade 1-5-2, outer spiral blade 1-5-3, second driving motor 1-5-4, second mixing mechanism 2, mixing box 2-1, second stirring shaft 2-2, stirring blades 2-3, power mechanism 2-4, third driving motor 2-4-1, gear set 2-4-2, discharge door 2-5, main raw material feeding mechanism 3, weighing mechanism 4, blanking pipe 4-1, quantitative scale 4-2, first driving motor 4-3. Specific embodiments

[0023] (Embodiment 1)

[0024] See Figures 1 to 3 , a mixing device for preparing nozzle bricks in this embodiment includes a first mixing mechanism 1, a second mixing mechanism 2 and a main raw material feeding mechanism 3; the first mixing mechanism 1 and the main raw material feeding mechanism 3 are both communicated with the second mixing mechanism 2; the first mixing mechanism 1 includes a mixing barrel 1-1; a fixed seat 1-2 is provided at the top of the mixing barrel 1-1; a plurality of auxiliary raw material feeding cylinders 1-3 are evenly distributed on the fixed seat 1-2; a switching valve 1-4 is provided at the outlet at the bottom of the auxiliary raw material feeding cylinder 1-3, and the switching valve preferably adopts an electromagnetic valve for easy automatic control, and a quantitative weighing mechanism 4 is provided at the bottom of each auxiliary raw material feeding cylinder 1-3; a first stirring assembly 1-5 is provided in the mixing barrel 1-1 below the quantitative weighing mechanism 4.

[0025] Furthermore, the quantitative weighing mechanism 4 includes a blanking pipe 4-1 provided at the outlet of the auxiliary raw material feeding cylinder 1-3 and a quantitative scale 4-2 rotatably provided at the outlet of the blanking pipe 4-1; a first driving motor 4-3 for driving the quantitative scale 4-2 to rotate to open or close the outlet of the blanking pipe 4-1 is provided on the outer side of the blanking pipe 4-1.

[0026] Furthermore, the first stirring component 1-5 includes a first stirring shaft 1-5-1 rotatably connected to the mixing barrel 1-1; the inner ring of the first stirring shaft 1-5-1 is provided with an inner screw sheet 1-5-2, and the outer ring is provided with an outer screw sheet 1-5-3 which is staggered with the inner screw sheet 1-5-2, which effectively enhances the stirring effect, makes the raw materials mixed more evenly, and improves the mixing efficiency; the outer side of the mixing barrel 1-1 is provided with a second drive motor 1-5-4 for driving the first stirring shaft 1-5-1 to move.

[0027] Furthermore, the auxiliary raw material loading barrel 1-3 is positioned with the fixing seat 1-2 through a step, which is not only firmly installed but also easy to disassemble and clean, thereby ensuring the hygiene and long-term reliability of the equipment and facilitating the replacement of the auxiliary raw materials.

[0028] Furthermore, the second mixing mechanism 2 includes a mixing box 2-1; two second stirring shafts 2-2 are rotatably arranged inside the mixing box 2-1; the second stirring shafts 2-2 are provided with spiral stirring blades 2-3, one end of the mixing box 2-1 is provided with a power mechanism 2-4 for synchronously driving the two second stirring shafts 2-2 to operate, and the other end is provided with an openable discharge door 2-5. Further, the power mechanism 2-4 includes a third drive motor 2-4-1; one of the second stirring shafts 2-2 is connected to the output shaft of the third drive motor 2-4-1, and the other second stirring shaft 2-2 is connected to the output shaft of the third drive motor 2-4-1 through a gear set 2-4-2. The second mixing mechanism 2 of this embodiment adopts a dual-axis stirring design, which is synchronously driven by the gear set 2-4-2 to ensure the uniformity and stability of stirring. At the same time, the setting of the discharge door 2-5 facilitates the rapid discharge of the mixed materials and improves the smoothness of the production process.

[0029] Furthermore, the main raw material feeding mechanism 3 is an auger conveyor. This design not only has high conveying efficiency, but also can stir the main raw material so that the main raw material is better mixed with the auxiliary raw material.

[0030] The mixing device for preparing nozzle bricks of this embodiment shows significant advantages in terms of accurate batching, efficient mixing, automated operation, structural design, adaptability and overall performance, and is of great significance for improving the production efficiency and quality of nozzle bricks.

[0031] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mixing device for preparing nozzle bricks, characterized in that: The invention comprises a first mixing mechanism (1), a second mixing mechanism (2) and a main raw material feeding mechanism (3); the first mixing mechanism (1) and the main raw material feeding mechanism (3) are both connected to the second mixing mechanism (2); the first mixing mechanism (1) comprises a mixing barrel (1-1); a fixing seat (1-2) is provided on the top of the mixing barrel (1-1); a plurality of auxiliary raw material feeding cylinders (1-3) are evenly distributed on the fixing seat (1-2); a switch valve (1-4) is provided at the outlet of the bottom of the auxiliary raw material feeding cylinder (1-3), and each auxiliary raw material feeding cylinder (1-3) is provided with a switch valve (1-4); A quantitative weighing mechanism (4) is provided at the bottom of each material barrel (1-3); a first stirring assembly (1-5) is provided in the mixing barrel (1-1) below the quantitative weighing mechanism (4); the quantitative weighing mechanism (4) comprises a feed pipe (4-1) provided at the outlet of the auxiliary raw material feed barrel (1-3) and a quantitative scale (4-2) rotatably provided at the outlet of the feed pipe (4-1); a first driving motor (4-3) for driving the quantitative scale (4-2) to rotate so as to open or close the outlet of the feed pipe (4-1) is provided on the outer side of the feed pipe (4-1).

2. A mixing device for preparing nozzle bricks according to claim 1, characterized in that: The first stirring assembly (1-5) comprises a first stirring shaft (1-5-1) rotatably connected to a mixing barrel (1-1); an inner ring of the first stirring shaft (1-5-1) is provided with an inner screw blade (1-5-2), and an outer ring is provided with an outer screw blade (1-5-3) offset from the inner screw blade (1-5-2); and a second driving motor (1-5-4) for driving the first stirring shaft (1-5-1) to move is provided on the outer side of the mixing barrel (1-1).

3. A mixing device for preparing nozzle bricks according to claim 1, characterized in that: The auxiliary raw material loading cylinder (1-3) is positioned via a step and a fixed seat (1-2).

4. A mixing device for preparing nozzle bricks according to claim 1, characterized in that: The second mixing mechanism (2) comprises a mixing box (2-1); two second stirring shafts (2-2) are rotatably arranged inside the mixing box (2-1); the second stirring shafts (2-2) are provided with spiral stirring blades (2-3); one end of the mixing box (2-1) is provided with a power mechanism (2-4) for synchronously driving the two second stirring shafts (2-2) to operate, and the other end is provided with an openable discharge door (2-5).

5. A mixing device for preparing nozzle bricks according to claim 4, characterized in that: The power mechanism (2-4) comprises a third drive motor (2-4-1); one of the second stirring shafts (2-2) is connected to the output shaft of the third drive motor (2-4-1), and the other second stirring shaft (2-2) is transmission-connected to the output shaft of the third drive motor (2-4-1) via a gear set (2-4-2).

6. A mixing device for preparing nozzle bricks according to claim 1, characterized in that: The main raw material feeding mechanism (3) is an auger conveyor.

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