An axial vortex mixer and a mineral sand delivery system

Abstract

The utility model relates to an axial scroll mixer, including drum, base, arc blade and drive mechanism, the drum rotation is installed on the base, drive mechanism with the rolling drive connection is used for driving the drum rotation, the inner wall of drum is arranged with a plurality of arc blades along its axial direction and the circumference direction, a plurality of arc blade whole is in the inner wall of drum and shows helical distribution, and has interval between adjacent arc blades in the circumference of drum, and also has interval between adjacent arc blades in the axial direction of drum. The utility model discloses the adjacent blade on the same circumference and the adjacent blade along the length direction of drum are all discontinuous, that is to say, each blade is the independent arc thin plate, does not form the continuous helical surface or spiral band, makes the dead angle on the inner wall of drum less, and the mineral sand is not easy to adhere to the arc blade and the inner wall of drum, when processing high viscosity material, the cleaning work is facilitated, and the maintenance cost and downtime of equipment are reduced.

Description

Technical Field

[0001] This utility model relates to an axial vortex mixer and a ore conveying system, belonging to the field of mixer technology. Background Technology

[0002] In the field of mineral sand processing, it is often necessary to mix two or more types of mineral sands with high viscosity and high specific gravity to meet the requirements of subsequent production processes. However, in actual mixing, these mineral sands are prone to mud formation after mixing.

[0003] Currently, the industry mainly uses mixers for mixing mineral sands. However, using mixers has two problems: First, the mixing process is time-consuming, making continuous operation of mineral sands impossible and affecting the efficiency of cargo transportation; second, when mineral sands become muddy, ordinary mixers will adhere to a large amount of mineral sand, causing blockages and affecting cargo transportation. Another common type of mixer mostly uses a shaft with agitating teeth. The rotation of the rack on the shaft disperses the mineral sands while conveying them forward. After multiple dispersions, the various mineral sands do not show obvious stratification. This type of mixer has a good mixing effect when dealing with mineral sands with low viscosity and that are not easily muddy. However, for high-viscosity, high-specific-gravity mineral sands, a large amount of mineral sand will adhere to the rack. As the adhering material continues to accumulate, the rack gradually loses its dispersing function and cannot effectively disperse the mineral sands, resulting in poor mixing effect or even failure to complete the normal mixing task.

[0004] Therefore, there is a need for an axial vortex mixer that can solve the problem of mud formation in the mixing of high-viscosity, high-density mineral sands, and can achieve continuous operation and ensure mixing effect. Utility Model Content

[0005] The purpose of this utility model is to provide a new technical solution to improve or solve the technical problems existing in the prior art as described above.

[0006] The technical solution provided by this utility model is as follows: An axial vortex mixer includes a drum, a base, arc-shaped blades, and a drive mechanism. The drum is rotatably mounted on the base, and the drive mechanism is drivenly connected to the drum to drive the drum to rotate. Multiple arc-shaped blades are arranged along the axial and circumferential directions on the inner wall of the drum, and the multiple arc-shaped blades are distributed in a spiral shape on the inner wall of the drum as a whole; Furthermore, there is a gap between adjacent arc-shaped blades in the circumferential direction of the roller; Along the axial direction of the drum, there is also a gap between adjacent arc-shaped blades.

[0007] Based on the above technical solution, the present invention can be further improved as follows.

[0008] Furthermore, the drive mechanism includes a motor, a reducer, a drive gear, a gear ring, a guide ring, and a guide bearing. The gear ring and the guide ring are both sleeved on the outside of the drum. The output shaft of the motor is connected to the drive gear through the reducer. The gear meshes with the gear ring. Two guide rings are also sleeved on the outer wall of the drum, respectively located at both ends of the drum. Guide bearings are provided on both sides of the guide rings, and the guide bearings are rotatably mounted on the base. The guide bearings are in contact with the guide rings.

[0009] Furthermore, the surface of the arc-shaped blade is provided with a wear-resistant coating.

[0010] Furthermore, the roller has two open ends, which are the inlet and outlet, respectively.

[0011] A mineral sand conveying system includes the aforementioned axial vortex mixer.

[0012] The technical solution provided by this utility model has the following advantages compared with the prior art: 1. The axial vortex mixer of this invention has multiple arc-shaped blades arranged on the inner wall of the drum. Each blade is designed with a specific helical angle, and the overall layout of all the arc-shaped blades is helical. During the rotation of the drum, the arc-shaped blades can carry the ore sand from the bottom to the top of the drum. As the drum continues to rotate, the ore sand falls under the action of gravity. This process is repeated, causing the ore sand to continuously tumble and collide inside the drum, achieving efficient mixing.

[0013] 2. Because the arc-shaped blades are distributed in a spiral shape, the ore will move forward along the spiral trajectory of the arc-shaped blades. Specifically, the axial vortex effect is induced by the discretely arranged arc-shaped blade group. While the material is circumferentially tumbling and mixing with the drum, it is guided by the spirally distributed arc-shaped blade group. A vortex flow that continuously advances along the axis of the drum will be formed inside. As the drum continues to rotate, the ore can smoothly enter from the feed port and gradually move towards the discharge port, and finally be discharged from the discharge port.

[0014] 3. In this invention, adjacent blades on the same circumference and adjacent blades along the length of the drum are discontinuous, resulting in a discrete spiral lattice distribution of the arc-shaped blades on the inner wall of the drum. Each blade is an independent arc-shaped thin plate, without forming a continuous spiral surface or spiral band. This reduces dead angles on the inner wall of the drum, making it less likely for ore to adhere to the arc-shaped blades and the inner wall of the drum. When processing high-viscosity materials, this facilitates cleaning and reduces equipment maintenance costs and downtime. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of the axial vortex mixer of this utility model; Figure 2 This is a side view of the axial vortex mixer of this utility model; Figure 3 This is a perspective structural diagram of the internal blade arrangement of the axial vortex mixer of this utility model. Figure 4 This is a perspective structural diagram of the internal blade arrangement of the axial vortex mixer of this utility model from another angle. In the diagram, 1 is a roller; 2 is an arc-shaped blade; 3 is a gear ring; 4 is a base; 5 is a motor; 6 is a reducer; 7 is a guide ring; and 8 is a guide bearing. Detailed Implementation

[0017] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and do not imply any priority in order or any specific technical meaning. Furthermore, the concepts of "connection" and "linkage" mentioned in this application, unless otherwise specified, are considered to include both direct connection (linkage) and indirect connection (linkage).

[0018] When interpreting the description of this application, it should be clarified that terms such as "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," indicating directions or positional relationships, are based on the perspective and layout shown in the accompanying drawings. They are intended to facilitate explanation and simplify the description process, and are not absolute limitations on the actual location, construction method, or operating mode of the described device or element. Therefore, these terms should not be construed as restrictive interpretations of the content of this application.

[0019] The principles and features of this utility model are described below with reference to examples. The examples are only used to explain this utility model and are not intended to limit the scope of this utility model.

[0020] like Figure 1-4As shown, the technical solution provided by this utility model is as follows: An axial vortex mixer includes a drum 1, a base 4, arc-shaped blades 2, and a drive mechanism. The drum 1 is rotatably mounted on the base 4, and the drive mechanism is drivenly connected to the drum 1 to drive the drum 1 to rotate. Multiple arc-shaped blades 2 are arranged along the axial and circumferential directions on the inner wall of the drum 1, and the multiple arc-shaped blades 2 are spirally distributed on the inner wall of the drum 1. In the circumferential direction of the drum 1, there is a gap between adjacent arc-shaped blades 2; in the axial direction of the drum 1, there is also a gap between adjacent arc-shaped blades 2.

[0021] The drive mechanism includes a motor 5, a reducer 6, a drive gear, a gear ring 3, a guide ring 7, and a guide bearing 8. The gear ring 3 and guide ring 7 are both fitted onto the outside of the roller 1. The output shaft of the motor 5 is connected to the drive gear via the reducer 6. The gear meshes with the gear ring 3. Two guide rings 7 are also fitted onto the outer wall of the roller 1, located at both ends. Guide bearings 8 are located on both sides of each guide ring 7 and are rotatably mounted on the base 4, fitting snugly against the guide ring 7. The motor 5 drives the drive gear to rotate via the reducer 6, and the drive gear meshes with the gear ring 3, thereby driving the roller 1 to rotate. Simultaneously, the guide rings 7 at both ends of the roller 1 cooperate with the guide bearings 8, providing stable support and guidance for the rotation of the roller 1, ensuring that the roller 1 does not wobble or deviate during rotation.

[0022] The surface of the arc-shaped blade 2 is coated with a wear-resistant coating, which can effectively reduce the wear of the blade by the mineral sand and extend the service life of the blade. In addition, in order to improve the service life and mixing efficiency of the axial vortex mixer, the material of the arc-shaped blade 2 can also be high-strength wear-resistant alloy steel to improve its wear resistance and impact resistance.

[0023] The roller 1 has two open ends, which are the inlet and outlet, respectively. This makes the feeding and discharging of ore sand more convenient. During the production process, the ore sand can be directly fed into the inlet by the conveying equipment, and the mixed ore sand can also be smoothly discharged from the outlet, improving the automation and efficiency of the production process.

[0024] The embodiments of this invention do not limit the helical angle and number of the arc-shaped blades. The number can be set according to the size of the drum. For example, 3 to 8 arc-shaped blades can be arranged on the same circumference, as long as effective tumbling and collision of the ore sand within the drum can be achieved, improving the mixing effect. In specific implementation, the optimal helical angle and number of blades can be determined through experiments or simulations to achieve the best mixing effect.

[0025] In another possible embodiment, a mineral sand conveying system includes the aforementioned axial vortex mixer.

[0026] The working principle of the axial vortex mixer of this invention is as follows: The axial vortex mixer of this invention has multiple arc-shaped blades 2 arranged on the inner wall of the drum 1. Each arc-shaped blade 2 has a specific helical angle, and the overall layout formed by all the arc-shaped blades 2 presents a helical shape. Furthermore, there are gaps between adjacent arc-shaped blades 2 on the same circumference of the drum 1; along the length direction of the drum 1, adjacent arc-shaped blades 2 are also discontinuous. Based on this arrangement, the arc-shaped blades 2 inside the drum 1 exhibit a discrete helical lattice distribution, that is, each arc-shaped blade 2 is an independent arc-shaped thin plate, and does not form a continuous helical surface or helical band.

[0027] When using the axial vortex mixer of this invention to process high-viscosity materials, the operation process is as follows: Mineral sand enters the interior of drum 1 through the feed inlet. Under the action of the drive mechanism, drum 1 begins to rotate. During the rotation of drum 1, the arc-shaped blades 2 can bring the mineral sand located at the bottom of drum 1 to the top of drum 1. As drum 1 continues to rotate, the mineral sand falls from a height under its own gravity. This process repeats, causing the mineral sand to continuously tumble and collide inside drum 1, thereby achieving efficient mixing.

[0028] Meanwhile, because the arc-shaped blades 2 are distributed in a spiral shape, the ore will gradually move forward along the spiral trajectory of the arc-shaped blades 2. As the drum 1 continues to rotate, the ore will eventually be discharged from the discharge port of the drum 1.

[0029] Furthermore, due to the discrete distribution of the arc-shaped blades 2 on the inner wall of drum 1, there are fewer dead corners on the inner wall of the drum. Therefore, ore sand is less likely to adhere to the arc-shaped blades 2 and the inner wall of drum 1, which facilitates subsequent cleaning of the device.

[0030] Furthermore, the axial vortex mixer device of this invention has forward and reverse conveying functions, and the rotation mode can be determined according to the direction of the inlet and outlet. Moreover, by adjusting the frequency converter, it can effectively convey and mix mineral sands with different flow rates, specific gravities and moisture contents.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An axial vortex mixer, characterized in that, It includes a roller (1), a base (4), an arc-shaped blade (2) and a drive mechanism. The roller (1) is rotatably mounted on the base (4), and the drive mechanism is driven to drive the roller (1) to rotate. Multiple arc-shaped blades (2) are arranged along the axial and circumferential directions on the inner wall of the roller (1), and the multiple arc-shaped blades (2) are spirally distributed on the inner wall of the roller (1). Furthermore, there is a gap between adjacent arc-shaped blades (2) in the circumferential direction of the roller (1); Along the axial direction of the roller (1), there is also a gap between adjacent arc-shaped blades (2).

2. The axial vortex mixer according to claim 1, characterized in that, The drive mechanism includes a motor (5), a reducer (6), a drive gear, a gear ring (3), a guide ring (7), and a guide bearing (8). The gear ring (3) and the guide ring (7) are both sleeved on the outside of the roller (1). The output shaft of the motor (5) is connected to the drive gear through the reducer (6). The gear meshes with the gear ring (3). The outer wall of the roller (1) is also sleeved with two guide rings (7), which are respectively located at both ends of the roller (1). Guide bearings (8) are provided on both sides of the guide ring (7), and the guide bearings (8) are rotatably mounted on the base (4). The guide bearings (8) are in contact with the guide rings (7).

3. The axial vortex mixer according to claim 1 or 2, characterized in that, The surface of the arc-shaped blade (2) is provided with a wear-resistant coating.

4. The axial vortex mixer according to claim 3, characterized in that, The roller (1) has two open ends, which are the inlet and outlet, respectively.

5. A mineral sand conveying system, characterized in that, Includes the axial vortex mixer as described in any one of claims 1-4.

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