Red mud acid leaching stirring device

Abstract

The utility model relates to the technical field of high-value utilization of red mud, in particular to a red mud acid leaching stirring device which comprises a reaction kettle, a stirring assembly and a control assembly, a first feed port and a second feed port are formed in the top of the reaction kettle, a discharge port is formed in the bottom of the reaction kettle, and the stirring assembly comprises a rotating shaft, a driving part, a disturbance plate and a flexible part. The rotating shaft is vertically arranged in the reaction kettle in the height direction of the reaction kettle and located in the center, one end of the rotating shaft extends out of the reaction kettle and is connected with the driving part, the disturbance plate is connected with the rotating shaft, the flexible part is arranged on the side, facing the inner wall and the bottom of the reaction kettle, of the disturbance plate, and the driving part drives the rotating shaft to rotate so as to drive the disturbance plate to rotate. The flexible part is made to make contact with the inner wall and the bottom of the reaction kettle so as to remove sediments in the reaction kettle, the control assembly is used for monitoring and regulating the temperature and pressure in the reaction kettle, and the device is simple in structure, improves the reaction efficiency in the reaction kettle and can remove waste deposited in the reaction kettle.

Description

Technical Field

[0001] The utility model relates to the technical field of high-value utilization of red mud, in particular to a red mud acid leaching stirring device. Background Art

[0002] Red mud is an industrial solid waste discharged during the extraction of alumina in the aluminum industry. The green resource utilization of red mud has basically formed five key application fields, namely element extraction, powder materials, cementitious materials, road materials, and building ceramic materials. However, the existing red mud utilization technologies have extensive processes. Although they are beneficial for rapid reduction of red mud in a short time, they seriously neglect the huge potential application value of high-abundance valuable elements such as iron (Fe), aluminum (Al), silicon (Si), titanium (Ti), and sodium (Na) in it.

[0003] Although the existing acid leaching stirring devices can achieve recycling, the red mud has small particle size and large density. After being added to the reaction device, it is easy to cause problems such as pipeline blockage and incomplete reaction, and the generated waste accumulates at the bottom and is difficult to empty, reducing the treatment efficiency. Summary of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides a red mud acid leaching stirring device that can improve the reaction efficiency and remove waste.

[0005] The utility model provides a red mud acid leaching stirring device, including:

[0006] A reaction kettle, a first feed inlet and a second feed inlet are arranged at the top of the reaction kettle, and a discharge outlet is arranged at the bottom of the reaction kettle;

[0007] A stirring assembly, the stirring assembly includes a rotating shaft, a driving member, a disturbing plate and a flexible member. The rotating shaft is vertically arranged inside the reaction kettle along the height direction of the reaction kettle and is located at the central position of the reaction kettle. One end of the rotating shaft extends out of the reaction kettle and is connected to the driving member. The disturbing plate is connected to the rotating shaft. The flexible member is arranged on one side of the disturbing plate facing the inner wall and bottom of the reaction kettle. The driving member drives the rotating shaft to rotate to drive the disturbing plate to rotate, so that the flexible member contacts the inner wall and bottom of the reaction kettle to remove the deposits inside the reaction kettle;

[0008] A control assembly, the control assembly is used to monitor and regulate the temperature and pressure inside the reaction kettle.

[0009] Optionally, the flexible member is a brush or a silica gel member.

[0010] Optionally, weight sensors are arranged on both the first feed inlet and the second feed inlet to monitor the weights of the reaction materials entering the first feed inlet and the second feed inlet respectively.

[0011] Optionally, the control component includes a thermometer and a water circulation component. The thermometer passes through the top of the reaction kettle and extends into the interior of the reaction kettle to monitor the temperature inside the reaction kettle. The water circulation component is arranged on the outer wall of the reaction kettle. An outlet pipe is arranged at the top of the water circulation component, and an inlet pipe is arranged at the bottom to regulate the temperature inside the reaction kettle.

[0012] Optionally, the control component includes a pressure gauge and a back pressure valve. The pressure gauge passes through the top of the reaction kettle and extends into the interior of the reaction kettle to monitor the pressure inside the reaction kettle. An exhaust port is opened at the top of the reaction kettle, and the back pressure valve is arranged at the exhaust port to regulate the pressure inside the reaction kettle.

[0013] Optionally, a water level sensor is arranged on the inner wall of the reaction kettle.

[0014] Optionally, a check valve is arranged on the discharge port.

[0015] Optionally, an observation window is opened in the reaction kettle along its height direction, and scale lines are arranged on the observation window.

[0016] Optionally, a plurality of support columns are evenly arranged at the bottom of the reaction kettle, and anti-slip pads are arranged at the bottoms of the plurality of support columns.

[0017] The technical solution provided by the embodiment of the present utility model has the following beneficial effects compared with the prior art:

[0018] The embodiment of the present utility model provides a red mud acid leaching stirring device. By arranging a rotating shaft and a disturbing plate inside the reaction kettle, the driving member drives the rotating shaft and the disturbing plate to rotate synchronously. The disturbing plate stirs the red mud particles and the liquid reaction material inside the reaction kettle, enabling the red mud particles and the liquid reaction material to fully react, increasing the effective time of acid leaching, improving the reaction efficiency. At the same time, the rotational force of the disturbing plate brings out the red mud particles falling into the discharge port, enabling the red mud particles to fully react, avoiding the problem of blocking the reaction kettle, and improving the high-value utilization rate of red mud. By arranging a flexible member, the flexible member rotates synchronously with the disturbing plate, enabling the red mud particles and the generated waste attached to the inner wall and bottom of the reaction kettle to further react, and being able to remove the deposited waste, avoiding blocking the discharge port, facilitating the collection and cleaning of waste, and improving work efficiency. By arranging a control component, it is convenient to monitor and regulate the temperature and pressure inside the reaction kettle, keeping the temperature and pressure required for the reaction of red mud particles inside the reaction kettle. This device has a simple structure, improves the reaction efficiency inside the reaction kettle, and can remove the deposited waste inside it. Description of the Drawings

[0019] The accompanying drawings here are incorporated into the specification and form a part of this specification, showing embodiments in line with the present utility model and, together with the specification, are used to explain the principles of the present utility model.

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or in the prior art, the following will briefly introduce the accompanying drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is the front view of the red mud acid leaching stirring device described in the embodiment of the present utility model;

[0022] Figure 2 It is the cross-sectional view of the red mud acid leaching stirring device described in the embodiment of the present utility model.

[0023] Among them, 1. First feed inlet; 2. Second feed inlet; 3. Rotating shaft; 4. Driving member; 5. Thermometer; 6. Pressure gauge; 7. Back pressure valve; 8. Water inlet pipe; 9. Support column; 10. Discharge port; 11. Reaction kettle; 12. Water circulation component; 13. Water outlet pipe; 14. Water level sensor; 15. Disturbing plate; 16. Flexible member. Specific embodiments

[0024] In order to be able to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the following will further describe the solution of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other.

[0025] Many specific details are set forth in the following description in order to fully understand the present utility model, but the present utility model can also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0026] Refer to Figure 1 and Figure 2 As shown, this embodiment provides a red mud acid leaching stirring device, including a reaction kettle 11, a stirring assembly and a control assembly.

[0027] Among them, the top of the reactor 11 is provided with a first feed port 1 and a second feed port 2, and the bottom of the reactor 11 is provided with a discharge port 10. The stirring assembly includes a rotating shaft 3, a driving member 4, a disturbance plate 15 and a flexible member 16. The rotating shaft 3 is vertically arranged inside the reactor 11 along the height direction of the reactor 11 and is located at the center of the reactor 11. One end of the rotating shaft 3 extends out of the reactor 11 and is connected to the driving member 4. The disturbance plate 15 is connected to the rotating shaft 3. The flexible member 16 is arranged on the side of the disturbance plate 15 facing the inner wall and bottom of the reactor 11. The driving member 4 drives the rotating shaft 3 to rotate to drive the disturbance plate 15 to rotate, so that the flexible member 16 contacts the inner wall and bottom of the reactor 11 to remove the sediment inside the reactor 11. The control assembly is used to monitor and regulate the temperature and pressure inside the reactor 11. Specifically, the first feed port 1 is a feed port for solid reaction materials, and red mud particles are added to the reactor 11 through the first feed port 1. In order to facilitate the red mud particles to enter the reactor 11, the first feed port 1 is set to be funnel-shaped, and the first feed port 1 is a fully enclosed container to prevent the dust generated when the red mud particles enter the reactor from affecting the health of the experimenters. The second feed port 2 is a feed port for liquid reaction materials. The second feed port 2 is made of anti-corrosion material. By arranging a rotating shaft 3 and a disturbance plate 15 inside the reactor 11, the driving member 4 drives the rotating shaft 3 and the disturbance plate 15 to rotate synchronously, and the disturbance plate 15 stirs the red mud particles and the liquid reaction material inside the reactor 11, so that the red mud particles and the liquid reaction material fully react, thereby increasing the effective time of acid leaching and improving the reaction efficiency. At the same time, the disturbance plate 15 The rotational force brings out the red mud particles that fall into the discharge port 10, so that the red mud particles can be fully reacted, avoiding the problem of clogging the reactor 11, and at the same time improving the high-value utilization rate of the red mud. By setting the flexible member 16, the flexible member 16 rotates synchronously with the disturbance plate 15, so that the red mud particles attached to the inner wall and the bottom of the reactor 11 and the generated waste are further reacted, and the deposited waste can be removed to avoid clogging the discharge port 10, which is convenient for collecting and cleaning waste and improving work efficiency. By setting the control component, it is convenient to monitor and regulate the temperature and pressure inside the reactor 11, so that the temperature and pressure required for the reaction of the red mud particles are maintained inside the reactor 11. This device has a simple structure, improves the reaction efficiency inside the reactor 11, and can remove the waste deposited therein.

[0028] Of course, in order to extend the service life of the device, the reactor 11 is made of corrosion-resistant material.

[0029] Furthermore, the flexible member 16 is a brush or a silicone member. Of course, the flexible member 16 can also be made of other materials that can remove attached red mud particles and deposited waste.

[0030] In some embodiments, weight sensors are provided on both the first feed inlet 1 and the second feed inlet 2 to monitor the weights of the reaction materials entering the first feed inlet 1 and the second feed inlet 2 respectively. Specifically, by setting the weight sensors, quantitative feeding into the reaction kettle 11 is achieved, ensuring the reaction efficiency inside the reaction kettle 11 and avoiding waste caused by excessive use of liquid reaction materials.

[0031] As shown in Figure 2 the control assembly includes a thermometer 5 and a water circulation assembly 12. The thermometer 5 passes through the top of the reaction kettle 11 and extends into the interior of the reaction kettle 11 to monitor the temperature inside the reaction kettle 11. The water circulation assembly 12 is arranged on the outer wall of the reaction kettle 11. An outlet pipe 13 is provided at the top of the water circulation assembly 12 and an inlet pipe 8 is provided at the bottom to regulate the temperature inside the reaction kettle 11. Specifically, when the red mud particles are subjected to acid leaching experiments, heat is released, causing the temperature inside the reaction kettle 11 to be too high. By setting the water circulation assembly 12, cooling water is delivered to the outlet pipe 13, and the cooling water flows inside the water circulation assembly 12, thereby reducing the temperature of the reaction kettle 11 and enabling the reaction kettle 11 to always maintain a temperature conducive to the reaction of the red mud particles. The cooling water is discharged along the inlet pipe 8.

[0032] Continuing to refer to Figure 2 as shown, the control assembly includes a pressure gauge 6 and a back pressure valve 7. The pressure gauge 6 passes through the top of the reaction kettle 11 and extends into the interior of the reaction kettle 11 to monitor the pressure inside the reaction kettle 11. An exhaust port is provided at the top of the reaction kettle 11, and the back pressure valve 7 is arranged at the exhaust port to regulate the pressure inside the reaction kettle 11. Specifically, when the red mud particles are subjected to acid leaching experiments, gas is generated, causing the pressure inside the reaction kettle 11 to increase. By opening and closing the back pressure valve 7, the pressure inside the reaction kettle 11 can be adjusted to keep the pressure inside the reaction kettle 11 conducive to the reaction of the red mud particles.

[0033] To keep the liquid level inside the reaction kettle 11 at a reasonable position, a water level sensor 14 is provided on the inner wall of the reaction kettle 11. The water level sensor 14 transmits a liquid level signal to the control center to facilitate the experimenter to judge the feeding amount.

[0034] To prevent the backflow and leakage of the liquid inside the reaction kettle 11, a check valve is provided on the discharge port 10.

[0035] An observation window is provided on the reaction kettle 11 along its height direction. Scale lines are provided on the observation window. The observation window is arranged on the outer wall of the reaction kettle 11 and is arranged along its height direction. The observation window is transparent, facilitating the experimenter to observe the situation inside the reaction kettle 11. And scale lines are provided on the observation window to further control the amount of liquid reaction material added, facilitating the quantitative addition of the reaction material.

[0036] In some other embodiments, a plurality of support columns 9 are uniformly arranged at the bottom of the reaction kettle 11, and anti-slip pads are arranged at the bottoms of the plurality of support columns 9. The number of the support columns 9 is set to four, and the four support columns 9 are uniformly arranged along the outer periphery of the bottom of the reaction kettle 11 to stably support the reaction kettle 11. By arranging the anti-slip pads at the bottoms of the support columns 9, the stability of the stirring device is further improved.

[0037] It should be noted that in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0038] The above are only specific embodiments of the present invention, enabling those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments described herein, but rather will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A red mud acid leaching stirring device, characterized in that, Comprising: A reaction kettle (11), a first feed inlet (1) and a second feed inlet (2) are arranged at the top of the reaction kettle (11), and a discharge outlet (10) is arranged at the bottom of the reaction kettle (11); A stirring assembly, the stirring assembly includes a rotating shaft (3), a driving member (4), a disturbing plate (15) and a flexible member (16), the rotating shaft (3) is vertically arranged inside the reaction kettle (11) along the height direction of the reaction kettle (11), and is located at the central position of the reaction kettle (11), one end of the rotating shaft (3) extends out of the reaction kettle (11) and is connected to the driving member (4), the disturbing plate (15) is connected to the rotating shaft (3), the flexible member (16) is arranged on one side of the disturbing plate (15) facing the inner wall and the bottom of the reaction kettle (11), and the driving member (4) drives the rotating shaft (3) to rotate to drive the disturbing plate (15) to rotate, so that the flexible member (16) contacts the inner wall and the bottom of the reaction kettle (11) to remove the deposits inside the reaction kettle (11); A control assembly, the control assembly is used to monitor and regulate the temperature and pressure inside the reaction kettle (11).

2. The red mud acid leaching stirring device according to claim 1, wherein The flexible member (16) is a brush or a silica gel member.

3. The red mud acid leaching stirring device according to claim 1, wherein Weight sensors are arranged on both the first feed inlet (1) and the second feed inlet (2) to monitor the weights of the reaction materials entering the first feed inlet (1) and the second feed inlet (2) respectively.

4. The red mud acid leaching stirring device according to claim 1, characterized in that, The control assembly includes a thermometer (5) and a water circulation assembly (12), the thermometer (5) passes through the top of the reaction kettle (11) and extends into the reaction kettle (11) to monitor the temperature inside the reaction kettle (11), the water circulation assembly (12) is arranged on the outer wall of the reaction kettle (11), a water outlet pipe (13) is arranged at the top of the water circulation assembly (12), and a water inlet pipe (8) is arranged at the bottom to regulate the temperature inside the reaction kettle (11).

5. The red mud acid leaching stirring device according to claim 1, wherein The control assembly includes a pressure gauge (6) and a back pressure valve (7), the pressure gauge (6) passes through the top of the reaction kettle (11) and extends into the reaction kettle (11) to monitor the pressure inside the reaction kettle (11), an exhaust port is opened at the top of the reaction kettle (11), and the back pressure valve (7) is arranged at the exhaust port to regulate the pressure inside the reaction kettle (11).

6. The red mud acid leaching stirring device according to claim 1, wherein A water level sensor (14) is arranged on the inner wall of the reaction kettle (11).

7. The red mud acid leaching stirring device according to claim 1, characterized in that, A check valve is arranged on the discharge outlet (10).

8. The red mud acid leaching stirring device according to claim 1, wherein, An observation window is opened on the reaction kettle (11) along its height direction, and scale lines are arranged on the observation window.

9. The red mud acid leaching stirring device according to claim 1, characterized in that, A plurality of support columns (9) are uniformly arranged at the bottom of the reaction kettle (11), and anti-slip pads are arranged at the bottoms of the plurality of support columns (9).

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