Ultrasonic oxygen-enriched leaching device

Abstract

The utility model provides an ultrasonic oxygen-enriched leaching device, which belongs to the technical field of mineral raw material leaching and comprises a controller, a leaching container, an ultrasonic generator and an oxygen-enriched supply system. The cavitation effect of ultrasonic waves is utilized to promote formation and expansion of micropores in the mineral raw materials, the contact area of the materials and a leaching agent is increased, the leaching efficiency of the materials is remarkably improved, and the leaching time is shortened; and the oxygen-enriched supply system continuously introduces oxygen-enriched gas into the leaching container, so that an oxygen-enriched environment is formed, the oxidation reaction is accelerated, the quality of a leached product is improved, and the problems of low leaching efficiency and long leaching time of a traditional material leaching method are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mineral raw material leaching, and particularly relates to an ultrasonic oxygen-enriched leaching device. Background Art

[0002] Leaching refers to the process of extracting soluble substances from solids with chemical solvents, also known as leaching, dissolution, and wet decomposition. The chemical solvent used for leaching is called the leaching agent; the solution obtained after leaching is called the leaching solution, and the remaining solid is called the residue. In hydrometallurgy, leaching is a commonly used refining technology. The solids for leaching are ores, concentrates, calcines, or matte, fumes, anode slimes and other metallurgical intermediate products. Commonly used leaching solutions include water, acids, alkalis, and salt solutions, etc., depending on the solids and solutes. The principle is to selectively react with certain components in solid materials such as ores, concentrates, and calcines with appropriate leaching agents and dissolve them to preliminarily separate them from other insoluble components. Currently, about 15% of the world's copper, more than 80% of zinc, and almost all of aluminum, tungsten, and molybdenum are preliminarily separated from other components in mineral raw materials through leaching.

[0003] Traditional material leaching methods often have problems such as low leaching efficiency, long time, high energy consumption, and environmental pollution. Especially when dealing with refractory minerals or organic substances, traditional methods are difficult to meet the requirements of high efficiency and environmental protection. In recent years, ultrasonic technology has been widely used in many fields due to its ability to promote the chemical reaction rate and enhance the mass transfer efficiency. At the same time, an oxygen-enriched environment has also been proven to effectively improve the oxidation reaction rate and thus enhance the leaching effect. Therefore, a new type of leaching device combining ultrasonic and oxygen-enriched technologies has broad application prospects. Content of the Utility Model

[0004] Aiming at the above problems in the prior art, the utility model aims to provide an ultrasonic oxygen-enriched leaching device, which solves the problems of low leaching efficiency and long time in traditional material leaching methods.

[0005] In order to achieve the above utility model purpose, the technical scheme adopted by the utility model is as follows:

[0006] An ultrasonic oxygen-enriched leaching device is provided, which includes a controller, a leaching container, an ultrasonic generator, and an oxygen-enriched supply system. The ultrasonic generator is electrically connected to the controller and is arranged inside the leaching container. One side of the top of the leaching container is provided with a liquid inlet, and the other side of the bottom is provided with a liquid outlet with an electromagnetic switch valve. A filter screen is arranged at the liquid outlet, and a waste residue discharge port and an oxygen aeration port are arranged at the bottom of the leaching container;

[0007] The oxygen-enriched supply system includes an oxygen compressor electrically connected to the controller. The outlet end of the oxygen compressor is communicated with the oxygen aeration port, and an aeration member located inside the leaching container is connected to the oxygen aeration port.

[0008] The basic principle of an ultrasonic oxygen-enriched leaching device in the present utility model is as follows: when conducting a leaching process on mineral raw materials, first place the mineral raw materials in a leaching container, and inject a leaching agent into the leaching container through a liquid inlet. Then, start the ultrasonic generator and the oxygen-enriched supply system. Utilize the cavitation effect of ultrasonic waves to promote the formation and expansion of micropores inside the mineral raw materials, increase the contact area between the material and the leaching agent, significantly improve the leaching efficiency of the material, and shorten the leaching time. The oxygen-enriched supply system continuously introduces oxygen-enriched gas into the leaching container to form an oxygen-enriched environment, accelerate the oxidation reaction, improve the quality of the leaching product, and solve the problems of low leaching efficiency and long time in traditional material leaching methods.

[0009] Furthermore, the number of oxygen aeration ports is multiple, and each oxygen aeration port is matched with an aeration component. The setting of multiple oxygen aeration ports can allow more oxygen to enter and make the oxygen more evenly distributed in the leaching container, accelerate the oxidation reaction, and improve the leaching effect.

[0010] Furthermore, as a specific setting method of the aeration component, each aeration component includes an air inlet pipe connected to the oxygen aeration port. The top end of the air inlet pipe is sealed, the bottom end of the air inlet pipe is connected to the oxygen aeration port, and a circular groove is formed on the circumferential outer wall of the air inlet pipe. A plurality of air outlet holes communicating with the inside of the air inlet pipe are evenly arranged on the bottom surface of the circular groove;

[0011] A rotating ring is clamped in the circular groove. The rotating ring is of a hollow cylindrical structure, and both ends of the rotating ring are closed. A plurality of air outlet holes communicate with the inside of the rotating ring;

[0012] A plurality of air outlet pipes communicating with its inside are arranged on the circumferential outer wall of the rotating ring. Each air outlet pipe is of an "L" - shaped structure. One end of each air outlet pipe has a length direction in the same direction as the radial direction of the rotating ring, and the other end has a length direction in the same direction as the tangential direction of the rotating ring.

[0013] When the controller controls the oxygen compressor to inflate the aeration component, the entering gas enters the bottom of the leaching container through the air inlet pipe. At the same time, the gas sequentially passes through the air outlet holes, the inside of the rotating ring, and the air outlet pipes. When the gas flows out from the end of the air outlet pipe in the same direction as the tangential direction of the rotating ring, it will provide a tangential thrust for the rotation of the rotating ring, forcing the rotating ring to rotate around its axis. When the gas rises at the bottom of the leaching container, a vortex motion will be generated, enabling the gas to be fully mixed with the leaching agent, enhancing the oxidation reaction rate, and improving the quality of the leaching product.

[0014] Further, the leaching container has a double-layer structure, and an electric heating wire electrically connected to the controller is arranged in the interlayer of the leaching container; a temperature sensor electrically connected to the controller is arranged inside the leaching container, and a temperature display electrically connected to the temperature sensor is arranged on the outer side wall of the leaching container. The reaction temperature of the leaching container can be controlled by controlling the power of the electric heating wire.

[0015] Further, the ultrasonic generator includes a plurality of transducers arranged on the inner wall of the leaching container and an ultrasonic drive power supply arranged on the outer wall of the leaching container.

[0016] Further, the leaching container includes a leaching body and a sealing cover; the leaching body has a hollow cylindrical structure with an opening at the top, the leaching body has a double-layer structure, and the sealing cover is detachably arranged at the top opening of the leaching body; the liquid inlet, the liquid outlet, the waste residue discharge port, and the oxygen aeration port are all arranged on the leaching body. The arrangement of the leaching body and the sealing cover facilitates placing the mineral raw material in the entire leaching container.

[0017] Further, the inner bottom surface of the leaching body is arranged as an inclined plane, and the height of the liquid outlet is flush with the height of the lowest side of the inner bottom surface of the leaching body. The above arrangement can completely discharge the leaching agent in the leaching container.

[0018] Further, it further includes a leaching agent circulation system arranged outside the leaching container. The leaching agent circulation system includes a water collection tank, and a water pump is arranged in the water collection tank. The water outlet end and the water inlet end of the water pump are both communicated with the leaching container. The leaching agent circulation system is used to circulate and mix the leaching agent in the leaching container to improve the leaching efficiency of the material and shorten the leaching time.

[0019] The beneficial effects of the present utility model are as follows: 1. For an ultrasonic oxygen-enriched leaching device of the present utility model, by setting an ultrasonic generator and an oxygen-enriched supply system, the cavitation effect of ultrasonic waves is utilized to promote the formation and expansion of micropores inside the mineral raw material, increase the contact area between the material and the leaching agent, significantly improve the leaching efficiency of the material, and shorten the leaching time; the oxygen-enriched supply system continuously introduces oxygen-enriched gas into the leaching container to form an oxygen-enriched environment, accelerate the oxidation reaction, improve the quality of the leaching product, and solve the problems of low leaching efficiency and long time existing in the traditional material leaching method.

[0020] 2. For an ultrasonic oxygen-enriched leaching device of the present utility model, the reaction temperature of the leaching container can be controlled by controlling the power of the electric heating wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of an ultrasonic oxygen-enriched leaching device.

[0022] Figure 2 It is an enlarged schematic structural diagram of the aeration member.

[0023] Among them, 1. Leaching container; 101. Leaching body; 102. Sealing cover; 2. Ultrasonic generator; 201. Transducer; 202. Ultrasonic drive power supply; 3. Oxygen compressor; 4. Liquid inlet; 5. Electromagnetic switch valve; 6. Liquid outlet; 7. Filter screen; 8. Waste residue discharge port; 9. Oxygen aeration port; 10. Aeration part; 11. Air inlet pipe; 12. Annular clamping groove; 13. Air outlet hole; 14. Rotating ring; 15. Air outlet pipe; 16. Electric heating wire; 17. Leaching agent circulation system; 18. Water collecting tank; 19. Water pump. Specific embodiments

[0024] The specific embodiments of the present invention will be described below to facilitate those skilled in the art of this technology to understand the present invention. However, it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art of this technology, as long as various changes are within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are within the scope of protection.

[0025] As Figure 1 shown, the present invention provides an ultrasonic oxygen-enriched leaching device, which includes a controller, a leaching container 1, an ultrasonic generator 2 and an oxygen-enriched supply system. The ultrasonic generator 2 is electrically connected to the controller and is arranged inside the leaching container 1. Specifically, the ultrasonic generator 2 includes a plurality of transducers 201 arranged on the inner wall of the leaching container 1 and an ultrasonic drive power supply 202 arranged on the outer wall of the leaching container 1.

[0026] A liquid inlet 4 is arranged on one side of the top of the leaching container 1, and a liquid outlet 6 with an electromagnetic switch valve 5 is arranged on the other side of the bottom. A filter screen 7 is arranged at the liquid outlet 6. A waste residue discharge port 8 and an oxygen aeration port 9 are arranged at the bottom of the leaching container 1; the oxygen-enriched supply system includes an oxygen compressor 3 electrically connected to the controller. The outlet end of the oxygen compressor 3 is communicated with the oxygen aeration port 9, and an aeration part 10 located inside the leaching container 1 is connected to the oxygen aeration port 9.

[0027] Specifically, the leaching container 1 includes a leaching body 101 and a sealing cover 102; the leaching body 101 has a hollow cylindrical structure with an opening at the top. The leaching body 101 is a double-layer structure, and the sealing cover 102 is detachably arranged at the top opening of the leaching body 101; the liquid inlet 4, the liquid outlet 6, the waste residue discharge port 8 and the oxygen aeration port 9 are all arranged on the leaching body 101. The arrangement of the leaching body 101 and the sealing cover 102 facilitates placing the mineral raw materials in the entire leaching container 1.

[0028] When performing the leaching process on mineral raw materials, first open the sealing cover 102 to place the mineral raw materials in the leaching body 101, and inject the leaching agent into the leaching container 1 through the liquid inlet 4. After the injected leaching agent is sufficient, close the sealing cover 102, and then start the ultrasonic generator 2 and the oxygen-rich supply system. Utilize the cavitation effect of ultrasonic waves to promote the formation and expansion of micropores inside the mineral raw materials, increase the contact area between the material and the leaching agent, significantly improve the leaching efficiency of the material, and shorten the leaching time; the oxygen-rich supply system continuously introduces oxygen-rich gas into the leaching container 1 to form an oxygen-rich environment, accelerate the oxidation reaction, improve the quality of the leaching product, and solve the problems of low leaching efficiency and long time existing in the traditional material leaching method. After the leaching reaction is completed, the leaching agent is discharged from the leaching container 1 through the liquid outlet 6, while the mineral waste residue is discharged through the waste residue discharge port 8.

[0029] Preferably, the inner bottom surface of the leaching body 101 is arranged as an inclined plane, and the height of the liquid outlet 6 is flush with the height of the lowest side of the inner bottom surface of the leaching body 101. With the above setting, the leaching agent in the leaching container 1 can be completely discharged.

[0030] Preferably but not limited to, the number of oxygen aeration ports 9 is multiple, and each oxygen aeration port 9 is matched with an aeration member 10. The setting of multiple oxygen aeration ports 9 can allow more oxygen to enter and make the oxygen more evenly distributed in the leaching container 1, accelerate the oxidation reaction, and improve the leaching effect.

[0031] Specifically, as Figure 2 shown, as an implementation manner of the aeration member 10, each aeration member 10 includes an air inlet pipe 11 communicated with the oxygen aeration port 9. The top end of the air inlet pipe 11 is sealed, the bottom end of the air inlet pipe 11 is connected to the oxygen aeration port 9, and a circular groove 12 is formed on the circumferential outer wall of the air inlet pipe 11. A plurality of air outlet holes 13 communicated with the inside of the air inlet pipe 11 are evenly arranged on the bottom surface of the circular groove 12; a rotating ring 14 is clamped in the circular groove 12. The rotating ring 14 is of a hollow cylindrical structure, and both ends of the rotating ring 14 are closed. A plurality of air outlet holes 13 are communicated with the inside of the rotating ring 14; a plurality of air outlet pipes 15 communicated with the inside thereof are arranged on the circumferential outer wall of the rotating ring 14. Each air outlet pipe 15 is of an "L" - shaped structure. One end of each air outlet pipe 15 has a length direction in the same direction as the radial direction of the rotating ring 14, and the other end has a length direction in the same direction as the tangential direction of the rotating ring 14.

[0032] When the controller controls the oxygen compressor 3 to inflate the aeration member 10, the incoming gas enters the bottom of the leaching container 1 through the inlet pipe 11. At the same time, the gas sequentially passes through the air outlet holes 13, the inside of the rotating ring 14, and the outlet pipe 15. When the gas flows out from the end of the outlet pipe 15 in the same tangential direction as the rotating ring 14, it will provide a tangential thrust for the rotation of the rotating ring 14, forcing the rotating ring 14 to rotate around its axis. When the gas rises at the bottom of the leaching container 1, a vortex motion will be generated, enabling the gas to be fully mixed with the leaching agent, enhancing the oxidation reaction rate, and improving the quality of the leaching product.

[0033] Specifically, the leaching container 1 is of a double-layer structure. An electric heating wire 16 electrically connected to the controller is arranged in the interlayer of the leaching container 1; a temperature sensor electrically connected to the controller is arranged inside the leaching container 1, and a temperature display electrically connected to the temperature sensor is arranged on the outer side wall of the leaching container 1. The reaction temperature of the leaching container 1 can be controlled by controlling the power of the electric heating wire 16.

[0034] The ultrasonic oxygen-enriched leaching device further includes a leaching agent circulation system 17 arranged outside the leaching container 1. The leaching agent circulation system 17 includes a water collection tank 18. A water pump 19 is arranged in the water collection tank 18. The water outlet end and the water inlet end of the water pump 19 are both communicated with the leaching container 1. The leaching agent circulation system 17 is used to circulate and mix the leaching agent in the leaching container 1 to improve the leaching efficiency of the material and shorten the leaching time.

Claims

1. An ultrasonic oxygen-enriched leaching device, characterized in that: It includes a controller, a leaching container, an ultrasonic generator and an oxygen-enriched supply system. The ultrasonic generator is electrically connected to the controller and is arranged inside the leaching container. A liquid inlet is arranged on one side of the top of the leaching container, and a liquid outlet with an electromagnetic switch valve is arranged on the other side of the bottom. A filter is arranged at the liquid outlet. A waste residue discharge port and an oxygen aeration port are arranged at the bottom of the leaching container. The oxygen-enriched supply system comprises an oxygen compressor electrically connected to a controller, an outlet end of the oxygen compressor is communicated with the oxygen aeration port, and an aeration member located inside the leaching container is connected to the oxygen aeration port.

2. The ultrasonic oxygen-enriched leaching device according to claim 1, characterized in that: There are multiple oxygen aeration ports, and each oxygen aeration port is matched with one aeration element.

3. The ultrasonic oxygen-enriched leaching device according to claim 2, characterized in that: Each of the aeration components includes an air inlet pipe connected to the oxygen aeration port, the top of the air inlet pipe is sealed, the bottom of the air inlet pipe is connected to the oxygen aeration port, an annular groove is provided on the circumferential outer wall of the air inlet pipe, and a plurality of air outlet holes connected to the inside of the air inlet pipe are evenly spaced on the bottom surface of the annular groove; A rotating ring is clamped in the annular clamping groove, the rotating ring is a hollow cylindrical structure, and both ends of the rotating ring are closed, and the plurality of air outlets are connected to the interior of the rotating ring; A plurality of air outlet pipes connected to the interior of the rotating ring are arranged on the circumferential outer wall of the rotating ring, each of the air outlet pipes is in an "L"-shaped structure, and the length direction of one end of each air outlet pipe is in the same direction as the radial direction of the rotating ring, and the length direction of the other end is in the same direction as the tangential direction of the rotating ring.

4. The ultrasonic oxygen-enriched leaching device according to claim 3, characterized in that: The leaching container has a double-layer structure, an electric heating wire electrically connected to the controller is arranged in the interlayer of the leaching container; a temperature sensor electrically connected to the controller is arranged inside the leaching container, and a temperature display electrically connected to the temperature sensor is arranged on the external side wall of the leaching container.

5. The ultrasonic oxygen-enriched leaching device according to claim 4, characterized in that: The ultrasonic generator comprises a plurality of transducers arranged on the inner wall of the leaching container and an ultrasonic driving power supply arranged on the outer wall of the leaching container.

6. The ultrasonic oxygen-enriched leaching device according to claim 5, characterized in that: The leaching container includes a leaching body and a sealing cover; the leaching body is a hollow cylindrical structure with an opening at the top, the leaching body is a double-layer structure, and the sealing cover is detachably arranged at the top opening of the leaching body; the liquid inlet, liquid outlet, waste residue discharge port and oxygen aeration port are all arranged on the leaching body.

7. The ultrasonic oxygen-enriched leaching device according to claim 6, characterized in that: The inner bottom surface of the leaching body is arranged as an inclined slope, and the height of the liquid outlet is flush with the height of the lowest side of the inner bottom surface of the leaching body.

8. The ultrasonic oxygen-enriched leaching device according to claim 7, characterized in that: It also includes a leaching agent circulation system arranged outside the leaching container. The leaching agent circulation system includes a water collecting box. A water pump is arranged in the water collecting box. The water outlet and water inlet of the water pump are both connected to the leaching container.

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