Efficient ore pulp gas mixing device

Abstract

The utility model relates to an efficient ore pulp gas mixing device. The efficient ore pulp gas mixing device comprises a mixing kettle, a gas distribution assembly communicated with a gas source and a stirring module, a gas outlet of the gas distribution assembly is formed in the mixing kettle; the stirring module comprises a first stirring assembly and at least one second stirring assembly; the first stirring assembly and the second stirring assembly are both arranged in the mixing kettle, and the first stirring assembly and the second stirring assembly form a double-layer stirring structure. The efficient ore pulp and gas mixing device has the advantages of high mixing efficiency of gas and ore pulp, high product quality and high yield.

Description

Technical Field

[0001] The utility model relates to the field of mineral processing equipment, in particular to an efficient slurry gas mixing device. Background Art

[0002] In the production process of flotation of pyrite from lead-zinc ore tailings, it is necessary to mix high-concentration carbon dioxide with pyrite slurry to modify low-quality mineral microparticles. However, the existing mixing devices have a low utilization rate of carbon dioxide, generally between 30% and 50%, which leads to problems such as weak process continuity, low device output, and unstable product quality. Summary of the Utility Model

[0003] Based on this, the purpose of the utility model is to provide an efficient slurry gas mixing device, which has the advantages of high mixing efficiency of gas and slurry, high product quality and high output.

[0004] An efficient slurry gas mixing device includes: a mixing kettle, a gas distribution component communicated with a gas source, and a stirring module; an air outlet of the gas distribution component is arranged in the mixing kettle; the stirring module includes a first stirring component and at least one second stirring component; the first stirring component and the second stirring component are both arranged in the mixing kettle, and the first stirring component and the second stirring component form a double-layer stirring structure.

[0005] In the efficient slurry gas mixing device of the utility model, by forming a double-layer stirring structure, violent eddies can be locally generated in the flow direction without increasing energy input. These eddies can effectively preliminarily mix the gas, liquid and solid particles in the slurry. At the same time, multiple-layer swirls are formed to achieve full mixing. The design of these multiple-layer swirls makes the flow of the slurry more complex in different directions, thereby enhancing the mixing effect.

[0006] Further, the first stirring component is arranged near the bottom inside the mixing kettle; the second stirring component is arranged in the middle part inside the mixing kettle.

[0007] Further, the stirring module further includes a stirring motor and a stirring rotating shaft; the stirring motor is arranged above the mixing kettle, and the output end of the stirring motor faces directly downward; one end of the stirring rotating shaft is connected to the output end of the stirring motor, and the other end is inserted into the mixing kettle; the first stirring component and the second stirring component are both connected to the stirring rotating shaft.

[0008] Further, the air outlet of the gas distribution component is located directly below the first stirring component.

[0009] Further, the first stirring component is a self-priming stirring paddle, and the second stirring component is a propeller stirring paddle.

[0010] Furthermore, an inner interlayer is provided around the inner wall of the mixing kettle; the bottom opening of the inner interlayer is communicated with the mixing kettle; a liquid inlet and a liquid outlet are provided on the mixing kettle; the liquid inlet is communicated with the inside of the mixing kettle, and the height of the liquid inlet is higher than that of the second stirring assembly; the liquid outlet is communicated with the upper end of the inner interlayer.

[0011] Furthermore, a liquid discharge port is provided at the bottom of the mixing kettle.

[0012] Furthermore, an outer jacket is provided around the side wall of the mixing kettle; a cooling water inlet and a cooling water outlet are provided on the outer jacket; the cooling water inlet is arranged on the lower side of the outer jacket, and the cooling water outlet is arranged on the upper side of the outer jacket.

[0013] Furthermore, a detection module is further included; the detection module includes a pH detection component and a temperature detection component, and the detection ends of the pH detection component and the temperature detection component extend into the mixing kettle.

[0014] Furthermore, the detection module further includes a display component, and the display component is electrically connected to the pH detection component and the temperature detection component.

[0015] For better understanding and implementation, the present utility model will be described in detail below with reference to the accompanying drawings. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of an efficient pulp gas mixing device according to an embodiment of the present utility model. Specific Embodiments

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical direction", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present utility model. In addition, "first", "second", "third", "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "arranged", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a heat-conducting connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a connection through an intermediate medium; it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] Embodiment

[0021] Please refer to Figure 1 , an embodiment of the present utility model provides an efficient slurry-gas mixing device, which includes a mixing kettle 1, a gas distribution assembly 2, and a stirring module 3. The mixing kettle 1 is provided with a liquid inlet 1a and a liquid outlet 1b; the gas distribution assembly 2 is used to communicate with a gas source to provide gas for the mixing kettle 1, and the gas outlet of the gas distribution assembly 2 is arranged in the mixing kettle 1. The stirring module 3 is used to fully mix the slurry and gas in the mixing kettle 1.

[0022] The stirring module 3 includes a stirring motor 301, a stirring rotating shaft 302, a first stirring assembly 303, and at least one second stirring assembly 304. The stirring motor 301 is arranged above the mixing kettle 1, and the output end of the stirring motor 301 faces directly downward; one end of the stirring rotating shaft 302 is connected to the output end of the stirring motor 301, and the other end is inserted into the mixing kettle 1. In some embodiments, the mixing kettle 1 is provided with a sealing cover, the stirring motor 301 is arranged on the sealing cover, and the stirring rotating shaft 302 passes through the sealing cover and is inserted into the mixing kettle 1. The first stirring assembly 303 is connected to the stirring rotating shaft 302 and is arranged inside the mixing kettle 1 and close to the bottom of the mixing kettle 1; the second stirring assembly 304 is connected to the stirring rotating shaft 302 and is arranged inside the mixing kettle 1 and at the middle part of the mixing kettle 1; the first stirring assembly 303 and the second stirring assembly 304 form a double-layer stirring structure. Further, the first stirring assembly 303 is a self-priming stirring paddle, and the second stirring assembly 304 is a propeller stirring paddle. In some embodiments, the stirring module 3 includes two second stirring assemblies 304, and the two second stirring assemblies 304 are respectively connected to the stirring rotating shaft 302. Further, the gas distribution assembly 2 is arranged directly below the first stirring assembly 303.

[0023] Further, an inner interlayer 101 is provided around the inner wall of the mixing kettle 1. The bottom opening of the inner interlayer 101 communicates with the mixing kettle 1, and the height of the bottom opening of the inner interlayer 101 is lower than that of the first stirring assembly 303. Further, the liquid inlet 1a and the liquid outlet 1b are provided at the upper end of the mixing kettle 1, and the height of the liquid inlet 1a is higher than that of the second stirring assembly 304; the liquid inlet 1a communicates with the inside of the mixing kettle 1, and the liquid outlet 1b communicates with the upper end of the inner interlayer 101. During operation, the ore liquid enters the mixing kettle 1 from the liquid inlet 1a. Under the dragging and stirring action of the second stirring assembly 304, the ore pulp flows from top to bottom in the center of the mixing kettle 1 and is diffused by the first stirring assembly 303 around the periphery; gas is fed into the lower end of the mixing kettle 1, mixed with the ore pulp and circulated upward in the inner interlayer 101, and after forming a uniform suspension mixture, it is sent out from the liquid outlet 1b. The high-efficiency ore pulp gas mixing device of the present application further improves the mixing uniformity through a combination of mechanical stirring and gas introduction.

[0024] Further, an exhaust assembly 102 and a pressure relief assembly 103 are provided at the top of the mixing kettle 1. The exhaust assembly 102 includes an exhaust pipe and an exhaust valve. The exhaust pipe communicates with the mixing kettle 1, and the exhaust valve is provided on the exhaust pipe. The pressure relief assembly 103 includes a pressure relief pipe 1031, a pressure gauge 1032, a pressure relief valve 1033 and a safety valve 1034; the pressure relief pipe 1031 communicates with the mixing kettle 1, and the pressure gauge 1032, the pressure relief valve 1033 and the safety valve 1034 are respectively provided on the pressure relief pipe 1031.

[0025] Further, an outer jacket 104 is also provided around the side wall of the mixing kettle 1. A cooling water inlet and a cooling water outlet are provided on the outer jacket 104; in some embodiments, the cooling water inlet is provided at the lower end of the outer jacket 104, and the cooling water outlet is provided at the upper end of the outer jacket 104. The cooling water flows through the outer jacket 104 through the cooling water inlet and then flows out from the cooling water outlet to form a cooling water flow, so as to cool the inside of the mixing kettle 1.

[0026] In some embodiments, the high-efficiency ore pulp gas mixing device of the embodiment of the present application further includes a detection module. The detection module includes a pH detection component and a temperature detection component. The detection ends of the pH detection component and the temperature detection component extend into the mixing kettle 1. In some embodiments, the detection module further includes a display component, and the display component is electrically connected to the pH detection component and the temperature detection component for displaying the data detected by the pH detection component and the temperature detection component.

[0027] Further, a liquid discharge port 1c is provided at the bottom of the mixing kettle 1. When the high-efficiency ore pulp gas mixing device needs to discharge the residual liquid inside for cleaning, the liquid discharge port 1c is opened to discharge the residual liquid.

[0028] The high-efficiency pulp gas mixing device of the embodiment of the present application can locally generate intense eddies in the flow direction without increasing energy input by arranging two layers of stirring paddles with different functions inside the kettle body. These eddies can effectively preliminarily mix the gas, liquid and solid particles in the pulp. At the same time, multi-layered swirls are formed to achieve full mixing. The design of these multi-layered swirls makes the flow of the pulp more complex in different directions, thereby enhancing the mixing effect. After being briefly accelerated by stirring, the pulp impacts the kettle wall or the paddle blades, and this acceleration and impact process is repeated multiple times to strengthen the effective adsorption of gas on the particle surface, complete the surface high-efficiency modification of low-quality fine mineral particles, promote the efficient mineralization of bubbles, and capture valuable components.

[0029] The above-described embodiments only represent several implementation manners of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and the present utility model also intends to include these modifications and improvements.

Claims

1. An efficient pulp gas mixing device, characterized in that, Including: A mixing kettle, a gas distribution component connected to a gas source, and a stirring module; an air outlet of the gas distribution component is arranged in the mixing kettle; the stirring module includes a first stirring component and at least one second stirring component; the first stirring component and the second stirring component are both arranged in the mixing kettle, and the first stirring component and the second stirring component form a double-layer stirring structure.

2. The high-efficiency pulp gas mixing device according to claim 1, characterized in that: The first stirring component is arranged near the bottom inside the mixing kettle; the second stirring component is arranged in the middle part inside the mixing kettle.

3. The high-efficiency pulp gas mixing device according to claim 2, characterized in that: The stirring module further includes a stirring motor and a stirring rotating shaft; the stirring motor is arranged above the mixing kettle, and the output end of the stirring motor faces directly downward; one end of the stirring rotating shaft is connected to the output end of the stirring motor, and the other end is inserted into the mixing kettle; the first stirring component and the second stirring component are both connected to the stirring rotating shaft.

4. The high-efficiency pulp gas mixing device according to claim 3, wherein: The air outlet of the gas distribution component is located directly below the first stirring component.

5. The high-efficiency pulp gas mixing device according to claim 2, wherein: The first stirring component is a self-priming stirring paddle, and the second stirring component is a propeller stirring paddle.

6. The high-efficiency pulp gas mixing device according to claim 2, wherein: An inner interlayer is arranged around the inner wall inside the mixing kettle; the bottom opening of the inner interlayer is communicated with the mixing kettle; a liquid inlet and a liquid outlet are arranged on the mixing kettle; the liquid inlet is communicated with the inside of the mixing kettle, and the height of the liquid inlet is higher than that of the second stirring component; the liquid outlet is communicated with the upper end of the inner interlayer.

7. The high-efficiency pulp gas mixing device according to claim 6, wherein: A liquid discharge port is arranged at the bottom of the mixing kettle.

8. The high-efficiency pulp gas mixing device according to claim 2, characterized in that: An outer jacket is arranged around the side wall outside the mixing kettle; a cooling water inlet and a cooling water outlet are arranged on the outer jacket; the cooling water inlet is arranged on the lower side of the outer jacket, and the cooling water outlet is arranged on the upper side of the outer jacket.

9. The high-efficiency pulp gas mixing device according to claim 2, wherein: It further includes a detection module; the detection module includes a pH detection component and a temperature detection component, and the detection ends of the pH detection component and the temperature detection component extend into the mixing kettle.

10. The high-efficiency pulp gas mixing device according to claim 9, characterized in that: The detection module further includes a display component, and the display component is electrically connected to the pH detection component and the temperature detection component.

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