A kind of jet pulsating stirring device for superfine slag reinforced dispersion

Abstract

The utility model relates to the field of dressing, metallurgy, concretely is a kind of for the jet pulsation stirring device of superfine slag intensification dispersion. Including stirring barrel, the venturi pipe connected with feed inlet is set in the inside upper portion of stirring barrel, and pulsation device is set in the bottom side of stirring barrel. The utility model pumps into feed inlet by feed inlet with slag slurry, realizes slag slurry jet by the area difference of inlet and outlet pipe of venturi pipe. While under the action of pulse, strong jet shear force and reverse fluid competition force are formed to slag slurry vertical flow direction, on the basis of original stirring, intensification loose effect is realized, realizes the dispersion of slag slurry effectively, sufficiently, and it is convenient for subsequent valuable component separation, purification.

Description

Technical Field

[0001] This utility model relates to the field of mineral processing and hydrometallurgy, and particularly to the enhanced dispersion of materials such as ultrafine slag, specifically a jet pulsating stirring device for enhanced dispersion of ultrafine slag. Background Technology

[0002] Mineral processing and smelting are essential processes for enriching and purifying valuable components from various ores (slag). With the consumption of high-grade, coarse-grained, and easily processed ores (slag), the materials faced by the mining and metallurgical industry are gradually entering the micro- and ultra-fine range. In the separation and smelting of ores (slag), especially in wet extraction processes, the thorough dispersion of ultrafine materials in aqueous solutions is a crucial prerequisite for ensuring efficient separation. For relatively coarse-grained materials, simple stirring can achieve effective slag slurry dispersion. However, ultrafine slag particles have high surface activity and strong adsorption properties, easily leading to agglomeration and capping between particles, resulting in low efficiency, high difficulty, and high cost in subsequent component separation and purification. Therefore, developing technologies and equipment to enhance the dispersion of ultrafine slag, based on traditional stirring and dispersion methods, is highly beneficial for ensuring the continuous progress and development of the mineral processing and metallurgical industry.

[0003] Patent CN221207636U discloses a slurry mixing device, including a mixing tank, a mixer, a first mixing shaft, and a second mixing shaft. The mixing tank is used to store minerals and liquids. The mixer is fixed to the mixing tank via a mixer base, with its output shaft facing inwards. One end of the first mixing shaft is fixed to the mixer's output shaft, and the other end is fixed to one end of the second mixing shaft, which extends into the mixing tank. Several blades are fixed to the free end of the second mixing shaft. The first mixing shaft is a solid shaft, and the second mixing shaft is a hollow shaft. The connection between the mixer's output shaft and the first mixing shaft, as well as the connection between the first and second mixing shafts, are all fixedly connected by a pair of flanges. This design improves the overall structural stability and extends the service life of the mixing device.

[0004] However, the patent has the following problems in practical applications: when the mixing tank is in use, it only relies on the stirring rod to rotate inside, and the relative movement rate of the slurry inside is low. It has almost no dispersing effect on "stubborn" particle flocs and is only suitable for dispersing slurries with a relatively large particle size. It is not suitable for ultrafine slag.

[0005] To address this issue, a jet-pulsating agitator for enhanced dispersion of materials such as ultrafine slag is proposed. Utility Model Content

[0006] To overcome the above shortcomings, this utility model proposes a jet pulsating stirring device for enhanced dispersion of ultrafine slag. It aims to improve the existing technology where the stirring tank used in wet smelting has a low internal slag slurry movement rate, which cannot solve the dispersion problem of ultrafine slag, resulting in low efficiency and high operation difficulty in subsequent component separation processes.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A jet pulsating agitator for enhanced dispersion of ultrafine slag includes a mixing tank. A motor is mounted on the top of the mixing tank, and the output end of the motor is connected to a stirring rod that extends into the mixing tank. A stirring blade is connected to the lower end of the stirring rod. A pulsating device is provided on one side of the mixing tank, and the output end of the pulsating device is connected to the lower part of the mixing tank. A feed inlet is provided on the upper part of the other side of the mixing tank, and a Venturi tube is connected to the bottom of the feed inlet. The Venturi tube is located inside the upper part of the mixing tank.

[0009] As a further description of the above technical solution: the outlet end of the venturi tube is connected to a spiral tube.

[0010] As a further description of the above technical solution: the feed inlet is equipped with a slurry pumping device.

[0011] As a further description of the above technical solution: the number of stirring blades is three, the stirring blades are used in conjunction with the stirring rod, and the stirring blades are made of acid and alkali resistant stainless steel.

[0012] As a further description of the above technical solution: the bottom of the pulsation device contacts the ground through a support plate and support frame, thereby improving the stability of the pulsation device.

[0013] As a further description of the above technical solution: the bottom of the mixing tank is conical, and the bottom of the mixing tank is in contact with the ground through a fixing ring and a support frame, which improves the discharge efficiency of the mixing tank.

[0014] This utility model has the following beneficial effects:

[0015] This device achieves slurry jetting through a venturi tube and incorporates a pulsation device. This pulsation device generates periodic pressure fluctuations, vibrating the fluid and creating reverse fluid competition in the direction perpendicular to the normal flow of the slurry, further promoting slurry dispersion. By applying periodic pressure fluctuations different from the slurry jet direction, multi-dimensional forces are applied to the slurry. This combined application of bidirectional forces significantly improves the dispersion performance of the slurry, ensuring thorough dispersion and uniform mixing of ultrafine particles, thus creating superior material pretreatment conditions for subsequent valuable component separation and purification processes. This structure optimizes the slurry flow path and improves the durability and service life of the equipment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the stirring device of this utility model;

[0017] Figure 2 This is a schematic diagram of the mixing tank in one embodiment of the present invention;

[0018] Figure 3 This is a schematic diagram of the mixing tank in another embodiment of the present invention.

[0019] Legend:

[0020] 1. Mixing tank; 2. Motor; 3. Mixing rod; 4. Mixing blade; 5. Pulsation device; 6. Feed inlet; 7. Venturi tube; 8. Spiral tube. Detailed Implementation

[0021] 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.

[0022] Reference Figure 1-2 Example: A jet pulsating agitator for enhanced dispersion of ultrafine slag includes a mixing tank 1. A motor 2 is installed on the top of the mixing tank 1. The output end of the motor 2 is connected to a stirring rod 3, which extends into the mixing tank 1. The lower end of the stirring rod 3 is connected to a stirring blade 4. A pulsating device 5 is provided on one side of the mixing tank 1. The output end of the pulsating device 5 is connected to the lower part of the mixing tank 1. A feed inlet 6 is provided on the upper part of the other side of the mixing tank 1. The bottom of the feed inlet 6 is connected to a Venturi tube 7, which is located inside the mixing tank 1.

[0023] This device achieves normal mixing of slag slurry by installing a motor 2 at the top of the mixing tank 1 and connecting it to a stirring rod 3 and a stirring blade 4. The motor 2-driven design makes the mixing process more stable, reliable, and easy to control. Secondly, the Venturi tube 7 connected to the bottom of the feed inlet 6 provides greater kinetic energy to the slag slurry during jetting, allowing it to enter the mixing tank 1 more smoothly and reducing the risk of clogging and wear. Finally, the device innovatively introduces a pulsation device 5, whose output end is connected to the mixing tank 1 via a rubber diaphragm. The pulsation device 5 generates periodic pressure fluctuations, further promoting the mixing and reaction of the slag slurry and accelerating the mixing process. Simultaneously, it applies a force to the slag slurry in a direction different from the jetting direction, which not only enhances the mixing effect but also improves the flexibility and adaptability of the entire processing. In summary, this device optimizes the flow path of the slag slurry, improves the durability and service life of the equipment, and increases its efficiency.

[0024] The Venturi tube 7 is installed inside the mixing tank 1, facilitating direct entry of the slag slurry into the mixing zone and reducing losses and contamination risks during transport. This direct connection ensures the slag slurry participates in the mixing process quickly and efficiently, improving overall processing efficiency. Secondly, this design makes the connection between the Venturi tube 7 and the mixing tank 1 more secure, reducing loosening or damage caused by vibration or material impact. This not only enhances the durability of the equipment but also reduces downtime due to equipment failure, improving the continuity and stability of the production line. Furthermore, as a key channel for the slag slurry to enter the mixing tank 1, the fixed installation of the Venturi tube 7 helps optimize the flow rate and direction of the slag slurry, ensuring a relatively uniform dispersion before entering the mixing zone. This helps improve the mixing effect, ensuring thorough mixing and reaction of the slag slurry within the mixing tank 1, thereby increasing mixing efficiency.

[0025] In another embodiment, such as Figure 3As shown, the outlet end of the Venturi tube 7 is connected to a spiral tube 8, which is vertically connected with its outlet facing downwards from the mixing tank 1. The introduction of the spiral tube 8 promotes uniform dispersion of the slag slurry. Its rotating flow channel design enables the slag slurry to form dynamic mixing under centrifugal force, achieving full distribution of ultrafine mineral particles and slag, effectively avoiding local slag slurry accumulation or agglomeration, and laying a uniform initial condition for subsequent mixing processes. In addition, the spiral tube adopts a continuous and smooth flow channel, which significantly reduces the risk of retention of high-concentration slag slurry or materials containing solid particles, thereby reducing the probability of pipeline blockage and ensuring the continuity and stability of the production process. In terms of process adaptability, the continuous spiral structure of the spiral tube can balance the pressure fluctuations during the slag slurry flow process, reducing pipeline vibration or abnormal equipment wear caused by sudden pressure changes, further improving the reliability and service life of the device. At the same time, this structure, through a multi-layer winding design, achieves a compact layout of long flow channels in a limited space, which can not only meet the process requirements for flow distance but also adapt to the spatial configuration needs of production lines of different scales, demonstrating high engineering practical value.

[0026] Furthermore, a slurry pumping device is provided at the feed inlet 6. There are three stirring blades 4, which work in conjunction with the stirring rod 3. The stirring blades 4 are made of acid and alkali resistant stainless steel. By using a high-strength alloy material for the stirring blades 4, the stirring effect and efficiency can be effectively improved. The bottom of the pulsation device 5 contacts the ground through a support plate and support frame, improving the stability and efficiency of the pulsation device 5. The bottom of the mixing tank 1 is conical, and the bottom of the mixing tank 1 contacts the ground through a fixing ring and support frame. By setting the bottom of the mixing tank 1 to a conical shape, the discharge efficiency of the mixing tank is improved.

[0027] Working principle: The user pumps the slag slurry into the venturi tube 7 through the feed inlet 6, and water is introduced through the liquid inlet of the venturi tube 7. The air pressure difference of the venturi tube 7 forces the slag slurry and water into the tank for further stirring. The slag slurry jet can also be achieved by extending the flow distance through the inlet and outlet air pressure difference of the venturi tube 7 and the spiral tube 8. Then, the pulse device 5 is activated. Through the bidirectional competition and combination of jet and pulse, a multidimensional force is applied to the slag slurry, which plays a strong dispersing role. Finally, the stirring blade 4 performs efficient stirring to achieve full dispersion and slurry conditioning of the slag slurry, which is convenient for the subsequent separation and purification of valuable components.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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. A jet-pulsating stirring device for enhanced dispersion of ultrafine slag, comprising a stirring tank (1), characterized in that, A motor (2) is installed on the top of the mixing tank (1). The output end of the motor (2) is connected to a stirring rod (3). The stirring rod (3) extends into the mixing tank (1). The lower end of the stirring rod (3) is connected to a stirring blade (4). A pulsating device (5) is provided on one side of the mixing tank (1). The output end of the pulsating device (5) is connected to the lower part of the mixing tank (1). A feed inlet (6) is provided on the upper side of the other side of the mixing tank (1). A venturi tube (7) is connected to the bottom of the feed inlet (6). The venturi tube (7) is located inside the mixing tank (1) at the top.

2. The jet pulsating stirring device for enhanced dispersion of ultrafine slag according to claim 1, characterized in that, The outlet end of the Venturi tube (7) is connected to a spiral tube (8).

3. The jet pulsating stirring device for enhanced dispersion of ultrafine slag according to claim 1, characterized in that, The feed inlet (6) is equipped with a slurry pumping device.

4. The jet pulsating stirring device for enhanced dispersion of ultrafine slag according to claim 1, characterized in that, The number of stirring blades (4) is three. The stirring blades (4) are used in conjunction with the stirring rod (3). The stirring blades (4) are made of acid and alkali resistant stainless steel.

5. The jet pulsating stirring device for enhanced dispersion of ultrafine slag according to claim 1, characterized in that, The bottom of the pulsating device (5) is in contact with the ground through a support plate and a support frame.

6. The jet pulsating stirring device for enhanced dispersion of ultrafine slag according to claim 1, characterized in that, The bottom of the mixing tank (1) is conical, and the bottom of the mixing tank (1) is in contact with the ground through a fixing ring and a support frame.

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