Mixing clarification extraction tank and use method thereof

Abstract

The invention discloses a mixing clarification extraction tank, and relates to the technical field of extraction, the mixing clarification extraction tank comprises a mixing chamber, a clarification chamber and a feed liquid mixing device, the feed liquid mixing device comprises a feed pipe, a mixing mechanism and an ultrasonic mechanism, the feed pipe is arranged in a submerged chamber at the bottom of the mixing chamber, and one end of the feed pipe is communicated with a light phase inlet; the other end is communicated with the heavy phase inlet; the mixing mechanism comprises a mixing pipe, a stirring part and a power part, the mixing pipe is arranged in the mixing chamber, one end of the mixing pipe is rotationally connected to the feeding pipe and communicates with the feeding pipe, and a mixed phase outlet is formed in the other end of the mixing pipe; the stirring part is arranged in the mixing pipe, and the power part can drive the mixing pipe and the stirring part to rotate, so that light-phase feed liquid and heavy-phase feed liquid entering the mixing pipe through the feeding pipe form mixed feed liquid in the mixing pipe, and the mixed feed liquid enters the mixing chamber through the mixed-phase outlet; the ultrasonic mechanism is arranged on the mixing pipe and can perform ultrasonic radiation on the mixed material liquid in the mixing chamber.

Description

Technical Field

[0001] The invention relates to the technical field of extraction, and in particular to a mixing and clarifying extraction tank and a use method thereof. Background Art

[0002] Extraction, also known as solvent extraction or liquid-liquid extraction, is a unit operation that separates a mixture by utilizing the difference in solubility of components in the system in the solvent. It has the characteristics of high selectivity, low energy consumption, good separation effect and strong adaptability. It is widely used in chemical, metallurgical, food, petroleum refining and other industrial fields.

[0003] Conventional extraction equipment can be divided into three types according to their structural characteristics: mixed-clarification extraction tank, tower extraction and centrifugal extraction. Among them, the mixed-clarification extraction tank has the characteristics of stable separation effect, flexible process combination and low energy consumption, and occupies a major position in chemical applications.

[0004] However, in the existing mixed-clarification extraction tank, mixing dead zones are prone to occur during the stirring process of the light phase liquid and the heavy phase liquid, which not only causes local phase separation but also reduces the extraction efficiency. This is a common problem of mixed-clarification extraction tanks that urgently needs to be improved. Summary of the invention

[0005] The object of the present invention is to provide a mixing and clarifying extraction tank and a method for using the same, so as to solve the problems existing in the above-mentioned related technologies, reduce the accumulation of liquid in the mixing dead zone, and improve the extraction efficiency.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] The present invention provides a mixing and clarifying extraction tank, comprising a mixing chamber and a clarifying chamber, wherein the mixing chamber and the clarifying chamber are connected via an overflow baffle, a latent chamber is arranged at the bottom of the mixing chamber, the latent chamber is arranged with a light phase inlet and a heavy phase inlet, and the clarifying chamber is arranged with a light phase outlet and a heavy phase outlet; further comprising a feed-liquid mixing device, the feed-liquid mixing device comprising a feed pipe, a mixing mechanism and an ultrasonic mechanism, the feed pipe is arranged in the latent chamber, one end of the feed pipe is communicated with the light phase inlet, and the other end is communicated with the heavy phase inlet; the mixing mechanism comprises a mixing pipe, a stirring part and a power part, the A mixing tube is arranged in the mixing chamber, and one end of the mixing tube is rotatably connected to the feeding pipe and communicated with the feeding pipe, and the other end is provided with a mixed phase outlet; the stirring part is arranged in the mixing tube, and the power part can drive the mixing tube to rotate together with the stirring part, so that the light phase liquid and the heavy phase liquid entering the mixing tube through the feeding pipe form a mixed liquid in the mixing tube and enter the mixing chamber through the mixed phase outlet; the ultrasonic mechanism is arranged on the mixing tube, and the ultrasonic mechanism can perform ultrasonic radiation on the mixed liquid in the mixing chamber.

[0008] Preferably, the stirring part includes a rotating shaft and stirring blades, the rotating shaft axially penetrates the mixing tube and is fixedly connected to the mixing tube, and the stirring blades are fixed on the rotating shaft; the power part includes a motor, the output end of the motor is connected to the rotating shaft, and the motor can drive the rotating shaft to rotate, thereby driving the mixing tube and the stirring blades to rotate.

[0009] Preferably, the stirring blade is a spiral blade structure, and the stirring blade is arranged around the rotating shaft in a spiral ascending shape.

[0010] Preferably, the ultrasonic mechanism includes a shell, a piezoelectric ceramic vibrator, a variable amplitude rod and an ultrasonic probe, the shell is a double-layer sleeve structure, and is fixedly mounted on the mixing tube, and an ultrasonic cavity is formed between the inner tube and the outer tube of the shell, and the piezoelectric ceramic vibrator, the variable amplitude rod and the ultrasonic probe are arranged in the ultrasonic cavity in sequence from the inside to the outside.

[0011] Preferably, a plurality of ultrasonic probes are provided, wherein at least two of the ultrasonic probes are respectively provided at the upper part and the lower part of the shell and are respectively located at both sides of the mixing tube.

[0012] Preferably, a plurality of the mixed phase outlets are provided, and all of the mixed phase outlets are evenly distributed on the side wall of one end of the mixing tube away from the feeding tube.

[0013] Preferably, a light phase weir is further provided in the clarification chamber, and the light phase weir is communicated with the light phase outlet of the clarification chamber.

[0014] Preferably, a heavy phase weir is further provided in the clarification chamber, and the heavy phase weir is communicated with the heavy phase outlet of the clarification chamber.

[0015] The present invention also provides a method for using the above-mentioned mixing and clarifying extraction tank, comprising the following steps:

[0016] Step 1, introducing the light phase liquid and the heavy phase liquid into the feed pipe through the light phase inlet and the heavy phase inlet of the latent chamber respectively;

[0017] Step 2, driving the mixing tube together with the stirring part to rotate by the power part, so that the light phase liquid and the heavy phase liquid entering the mixing tube through the feeding pipe form the mixed liquid in the mixing tube, and enter the mixing chamber through the mixed phase outlet;

[0018] Step 3, irradiating the mixed liquid in the mixing chamber with ultrasonic waves through the ultrasonic mechanism;

[0019] Step 4: After the mixed liquid in the mixing chamber enters the clarification chamber through the overflow baffle, the mixed liquid is separated from the original solvent phase and the extractant phase through the clarification chamber.

[0020] Preferably, in the step 1, the light phase liquid and the heavy phase liquid are pumped into the light phase inlet and the heavy phase inlet of the latent chamber respectively by a pressure pump.

[0021] Compared with the related art, the present invention has achieved the following technical effects:

[0022] The mixing and clarifying extraction tank provided by the present invention comprises a mixing chamber, a clarifying chamber and a feed-liquid mixing device. The feed-liquid mixing device comprises a feed pipe, a mixing mechanism and an ultrasonic mechanism. The mixing mechanism comprises a mixing pipe, a stirring part and a power part. When in use, a light phase feed liquid and a heavy phase feed liquid are respectively introduced into the feed pipe through a light phase inlet and a heavy phase inlet of a latent chamber at the bottom of the mixing chamber. The mixing pipe is driven to rotate together with the stirring part by the power part, so that the light phase feed liquid and the heavy phase feed liquid entering the mixing pipe through the feed pipe form a mixed feed liquid in the mixing pipe, and enter the mixing chamber through the mixed phase outlet. This stage is used as a primary extraction stage, and the light phase feed liquid and the heavy phase feed liquid are fully mixed. Then, the mixed feed liquid in the mixing chamber is ultrasonically irradiated by the ultrasonic mechanism. This stage is used as a secondary extraction stage. In the manner of ultrasonic enhanced extraction, the accumulation of feed liquid in the mixing dead zone is reduced, and the extraction efficiency is improved. Finally, the mixed feed liquid in the mixing chamber enters the clarifying chamber through an overflow baffle to separate the original solvent phase from the extractant phase. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or related technologies, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic diagram of a mixing and clarifying extraction tank provided in Example 1 of the present invention;

[0025] Figure 2 A schematic diagram of a feed-liquid mixing device provided in Example 1 of the present invention;

[0026] Figure 3 A partial schematic diagram of a stirring portion provided in Embodiment 1 of the present invention;

[0027] Figure 4 A schematic diagram of a control panel provided in Embodiment 1 of the present invention.

[0028] In the figure: 1-mixing chamber, 2-clarification chamber, 201-light phase outlet, 202-heavy phase outlet, 203-light phase weir, 204-heavy phase weir, 3-overflow baffle, 4-latent chamber, 401-light phase inlet, 5-liquid mixing device, 501-feeding pipe, 502-mixing pipe, 503-mixed phase outlet, 504-rotating shaft, 505-stirring blade, 506-motor, 507-housing, 508-piezoelectric ceramic vibrator, 509-amplifier, 510-ultrasonic probe, 6-control panel, 601-display instrument, 602-control switch, 603-adjusting knob, 604-operation indicator light. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] The purpose of the present invention is to provide a mixing and clarifying extraction tank and a method for using the same, so as to solve the problems existing in the related art, reduce the accumulation of liquid in the mixing dead zone, and improve the extraction efficiency.

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Embodiment 1

[0033] like Figure 1 As shown, this embodiment provides a mixing and clarifying extraction tank, including a mixing chamber 1 and a clarifying chamber 2, the mixing chamber 1 and the clarifying chamber 2 are connected by an overflow baffle 3, a latent chamber 4 is provided at the bottom of the mixing chamber 1, the latent chamber 4 is provided with a light phase inlet 401 and a heavy phase inlet, and the clarifying chamber 2 is provided with a light phase outlet 201 and a heavy phase outlet 202; and also includes a feed-liquid mixing device 5, the feed-liquid mixing device 5 includes a feed pipe 501, a mixing mechanism and an ultrasonic mechanism, the feed pipe 501 is arranged in the latent chamber 4, and one end of the feed pipe 501 is connected to the light phase inlet 401, and the other end is connected to the heavy phase inlet; as shown Figure 2 As shown, the mixing mechanism includes a mixing tube 502, a stirring portion and a power portion. The mixing tube 502 is arranged in the mixing chamber 1, and one end of the mixing tube 502 is rotatably connected to the feeding tube 501 and communicated with the feeding tube 501, and the other end is provided with a mixed phase outlet 503; the stirring portion is arranged in the mixing tube 502, and the power portion can drive the mixing tube 502 to rotate together with the stirring portion, so that the light phase liquid and the heavy phase liquid entering the mixing tube 502 through the feeding tube 501 form a mixed liquid in the mixing tube 502, and enter the mixing chamber 1 through the mixed phase outlet 503; the ultrasonic mechanism is arranged on the mixing tube 502, and the ultrasonic mechanism can perform ultrasonic radiation on the mixed liquid in the mixing chamber 1.

[0034] It should be noted that the present invention adopts the method of ultrasonic enhanced extraction, which mainly utilizes the unique interaction between acoustic cavitation (ultrasonic energy) and matter, that is, the formation, oscillation, growth, contraction and collapse of cavities in liquids to induce physical and chemical changes; when cavitation bubbles collapse, high temperatures of more than 5000K and about 5×10 7 Pa, accompanied by strong shock waves and / or jets with a speed of up to 400 km / h. On the other hand, ultrasound also has the mechanical properties of causing turbulence in the liquid, which can reduce diffusion resistance and destroy the boundary layer. Therefore, the application of ultrasound in the mixed clarification extraction tank can reduce the occurrence of flow dead zones and accelerate mass and heat transfer, achieving the purpose of fast and efficient extraction.

[0035] In this embodiment, if Figure 3 As shown, the stirring part includes a rotating shaft 504 and a stirring blade 505. The rotating shaft 504 axially penetrates the mixing tube 502 and is fixedly connected to the mixing tube 502. The stirring blade 505 is fixed on the rotating shaft 504. The power part includes a motor 506. The output end of the motor 506 is connected to the rotating shaft 504. The motor 506 can drive the rotating shaft 504 to rotate, thereby driving the mixing tube 502 and the stirring blade 505 to rotate.

[0036] Furthermore, the stirring blade 505 is a spiral blade structure, and the stirring blade 505 is arranged in a spiral ascending shape around the rotating shaft 504, so that the light phase liquid and the heavy phase liquid in the mixing tube 502 move along a spiral path during the flow process, thereby increasing the mixing time of the two-phase liquid. At the same time, the mixing tube 502 is driven by the motor 506 to rotate together with the stirring blade 505, so that the two-phase liquid is fully mixed, and then enters the mixing chamber 1 through the mixed phase outlet 503 for ultrasonic radiation, so as to reduce the accumulation of liquid in the mixing dead zone and improve the extraction efficiency.

[0037] In this embodiment, if Figure 2 As shown, the ultrasonic mechanism includes a shell 507, a piezoelectric ceramic vibrator 508, a transformer 509 and an ultrasonic probe 510. The shell 507 is a double-layer sleeve structure and is fixedly mounted on the mixing tube 502. An ultrasonic cavity is formed between the inner tube and the outer tube of the shell 507. The piezoelectric ceramic vibrator 508, the transformer 509 and the ultrasonic probe 510 are sequentially arranged in the ultrasonic cavity from the inside to the outside. The piezoelectric ceramic vibrator 508 is used to convert electrical energy into mechanical energy, the transformer 509 is used to amplify the vibration amplitude generated by the piezoelectric ceramic vibrator 508, and the ultrasonic probe 510 is used to transmit the vibration amplified by the transformer 509 to the working medium.

[0038] Furthermore, multiple ultrasonic probes 510 are provided, wherein at least two ultrasonic probes 510 are respectively provided at the upper and lower parts of the shell 507 and are respectively located on both sides of the mixing tube 502. When the mixing tube 502 drives the shell 507 to rotate, the two ultrasonic probes 510 provided one above and one below enable the ultrasonic energy to fully cover the mixed liquid in the mixing chamber 1.

[0039] In this embodiment, a plurality of mixed phase outlets 503 are provided, and all mixed phase outlets 503 are evenly distributed on the side wall of one end of the mixing tube 502 away from the feeding tube 501 .

[0040] In this embodiment, a light phase weir 203 and a heavy phase weir 204 are further provided in the clarification chamber 2, wherein the light phase weir 203 is communicated with the light phase outlet 201 of the clarification chamber 2, and the heavy phase weir 204 is communicated with the heavy phase outlet 202 of the clarification chamber 2. After the mixed liquid in the mixing chamber 1 enters the clarification chamber 2 through the overflow baffle 3, under the action of gravity, the material with high density gradually settles to the bottom of the clarification chamber 2, while the material with low density is located at the upper part of the clarification chamber 2, and finally is discharged from the respective outlets through the phase separation weir or enters the next-level extraction tank until the separation of the original solvent phase and the extractant phase is completed.

[0041] As a possible example, the feed-liquid mixing device 5 of the mixing and clarifying extraction tank provided in this embodiment is also connected to a control panel 6, on which a display instrument 601, a control switch 602, an adjustment knob 603 and an operation indicator light 604 are provided. The control panel 6 can be used to control parameters such as the motor speed and ultrasonic frequency in the feed-liquid mixing device 5, with a high degree of intelligence and easy operation. Specifically, the rotation direction of the motor 506 in this embodiment is clockwise, the speed is 180r / min-360r / min, the total ultrasonic power is 36kW, the feed-liquid temperature in the mixing chamber 1 is controlled at 50°C-100°C, and the pH value is 5.5-8.

[0042] Embodiment 2

[0043] This embodiment provides a method for using the above-mentioned mixing and clarifying extraction tank, comprising the following steps:

[0044] Step 1: introducing the light phase liquid and the heavy phase liquid into the feed pipe 501 through the light phase inlet 401 and the heavy phase inlet of the latent chamber 4 respectively;

[0045] Step 2: The power unit drives the mixing tube 502 to rotate together with the stirring unit, so that the light phase liquid and the heavy phase liquid entering the mixing tube 502 through the feeding tube 501 form a mixed liquid in the mixing tube 502, and enter the mixing chamber 1 through the mixed phase outlet 503;

[0046] Step 3, ultrasonically irradiating the mixed liquid in the mixing chamber 1 through an ultrasonic mechanism;

[0047] Step 4: After the mixed liquid in the mixing chamber 1 enters the clarifying chamber 2 through the overflow baffle 3, the mixed liquid is separated from the original solvent phase and the extractant phase through the clarifying chamber 2.

[0048] Furthermore, in step 1, the light phase liquid and the heavy phase liquid are pumped into the light phase inlet 401 and the heavy phase inlet of the latent chamber 4 respectively by a pressure pump.

[0049] The following is a comparison of three application examples using a conventional rare earth extraction process, a rare earth extraction process without ultrasound-mixing conditions, and the present invention (i.e., a rare earth extraction process with ultrasound-mixing conditions):

[0050] Application Example 1

[0051] The conventional rare earth extraction process was adopted, and a three-phase mixed clarification extraction tank was used for three-phase extraction. The target substances (rare earth La, Eu, Yb and non-rare earth Fe, Al, Si) and the extractant PC-88A flowed into the three-phase mixing chamber. The original parameters are shown in Table 1; aqu,in Q is the volume of the two-phase mixed liquid flowing into the three-phase mixing chamber per unit time, o,out and Q aqu,outare the volume flow rates of the organic phase and the two-phase aqueous mixture flowing out of the two-phase mixing chamber, m M,in and m M,out are the masses of metal ions M flowing into and out of the two-phase mixing chamber, respectively.

[0052] Table 1 Application Example 1 Concentration, volume flow rate and metal ion mass of target substance flowing into the three-phase mixing chamber

[0053]

[0054] Application Example 2

[0055] Table 2 Concentration, volume flow rate and metal ion mass of target substance flowing into the three-phase mixing chamber in Application Example 2

[0056]

[0057] Under non-ultrasonic-mixing conditions, the distribution behavior of Fe and Si in the system remained almost unchanged, while the extraction efficiency of Al was about 38%; due to the stronger extraction ability of PC-88A with La and Eu, about 56% of Eu was extracted into the organic phase, about 61% of La was extracted into the organic phase, and 25% of Yb remained in the brine subsurface phase.

[0058] Application Example 3

[0059] Table 3 Concentration, volume flow rate and metal ion mass of target substance flowing into the three-phase mixing chamber in Application Example 3

[0060]

[0061] Under the condition of ultrasonic mixing, the distribution behavior of Fe and Si in the system remains almost unchanged, while the extraction efficiency of Al is about 68%; since PC-88A has stronger extraction ability with La and Eu, Eu is extracted into the organic phase by about 95%, and the efficiency is increased by 1.7 times; La is extracted into the organic phase by about 97%, and the efficiency is increased by 1.6 times; and 5.4% of Yb remains in the salt water subsurface phase; it can be seen that the present invention improves the extraction efficiency and increases the extraction rate of rare earth extraction.

[0062] In summary, the present invention provides a new process for economical, environmentally friendly and efficient extraction from a two-phase mixed liquid, reduces the occurrence of material accumulation in the mixing dead zone, has strong industrial applicability, and its industrial efficiency is internationally competitive, and the product quality reaches or exceeds the national standard; the present invention adopts the emerging reaction coupling technology (i.e., the coupling of the spiral device and the ultrasonic technology) to solve the mixing dead zone problem existing in the mixed clarification extraction tank, and through the spiral rising stirring blade 505 in the mixing tube 502, the light phase liquid and the heavy phase liquid can move along the spiral path during the flow process, thereby increasing the clarification time of the mixed liquid and achieving uniform mixing and deep extraction. At the same time, the mixed liquid overflowing into the mixing chamber 1 is fully covered by the ultrasonic energy, which reduces the accumulation of the mixed dead zone liquid and improves the extraction efficiency. In addition, the cavitation effect acts on the mixed liquid, further strengthening the mixing process, and improving the extraction efficiency and comprehensive utilization efficiency; the present invention adopts unconventional metallurgical strengthening means (ultrasonic metallurgical strengthening extraction) to achieve the purpose of fast and efficient extraction, and has the characteristics of simple process flow, reliable operation, low energy consumption and environmental friendliness, and the final product obtained has the advantages of high efficiency, good quality and low cost.

[0063] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A mixing and clarifying extraction tank, comprising a mixing chamber and a clarifying chamber, wherein the mixing chamber and the clarifying chamber are connected via an overflow baffle, a latent chamber is provided at the bottom of the mixing chamber, the latent chamber is provided with a light phase inlet and a heavy phase inlet, and the clarifying chamber is provided with a light phase outlet and a heavy phase outlet; characterized in that: It also includes a feed-liquid mixing device, which includes a feed pipe, a mixing mechanism and an ultrasonic mechanism. The feed pipe is arranged in the latent chamber, and one end of the feed pipe is connected to the light phase inlet, and the other end is connected to the heavy phase inlet; the mixing mechanism includes a mixing tube, a stirring part and a power part. The mixing tube is arranged in the mixing chamber, and one end of the mixing tube is rotatably connected to the feed pipe and connected to the feed pipe, and the other end is provided with a mixed phase outlet; the stirring part is arranged in the mixing tube, and the power part can drive the mixing tube to rotate together with the stirring part, so that the light phase feed liquid and the heavy phase feed liquid entering the mixing tube through the feed pipe form a mixed feed liquid in the mixing tube and enter the mixing chamber through the mixed phase outlet; the ultrasonic mechanism is arranged on the mixing tube, and the ultrasonic mechanism can perform ultrasonic radiation on the mixed feed liquid in the mixing chamber.

2. The mixing and clarifying extraction tank according to claim 1, characterized in that: The stirring part includes a rotating shaft and stirring blades. The rotating shaft passes through the mixing tube along the axial direction and is fixedly connected to the mixing tube. The stirring blades are fixed on the rotating shaft. The power part includes a motor. The output end of the motor is connected to the rotating shaft. The motor can drive the rotating shaft to rotate, thereby driving the mixing tube and the stirring blades to rotate.

3. The mixing and clarifying extraction tank according to claim 2, characterized in that: The stirring blade is a spiral blade structure, and the stirring blade is arranged around the rotating shaft in a spiral ascending shape.

4. The mixing and clarifying extraction tank according to claim 1, characterized in that: The ultrasonic mechanism includes a shell, a piezoelectric ceramic vibrator, a horn and an ultrasonic probe. The shell is a double-layer sleeve structure and is fixedly mounted on the mixing tube. An ultrasonic cavity is formed between the inner tube and the outer tube of the shell. The piezoelectric ceramic vibrator, the horn and the ultrasonic probe are sequentially arranged in the ultrasonic cavity from the inside to the outside.

5. The mixing and clarifying extraction tank according to claim 4, characterized in that: A plurality of ultrasonic probes are provided, wherein at least two of the ultrasonic probes are respectively provided at the upper part and the lower part of the shell and are respectively located at both sides of the mixing tube.

6. The mixing and clarifying extraction tank according to claim 1, characterized in that: There are multiple mixed phase outlets, and all of the mixed phase outlets are evenly distributed on the side wall of one end of the mixing tube away from the feeding tube.

7. The mixing and clarifying extraction tank according to claim 1, characterized in that: A light phase weir is also provided in the clarification chamber, and the light phase weir is communicated with the light phase outlet of the clarification chamber.

8. The mixing and clarifying extraction tank according to claim 1, characterized in that: A heavy phase weir is also provided in the clarification chamber, and the heavy phase weir is communicated with the heavy phase outlet of the clarification chamber.

9. A method for using the mixing and clarifying extraction tank according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1, introducing the light phase liquid and the heavy phase liquid into the feed pipe through the light phase inlet and the heavy phase inlet of the latent chamber respectively; Step 2, driving the mixing tube together with the stirring part to rotate by the power part, so that the light phase liquid and the heavy phase liquid entering the mixing tube through the feeding pipe form the mixed liquid in the mixing tube, and enter the mixing chamber through the mixed phase outlet; Step 3, irradiating the mixed liquid in the mixing chamber with ultrasonic waves through the ultrasonic mechanism; Step 4: After the mixed liquid in the mixing chamber enters the clarification chamber through the overflow baffle, the mixed liquid is separated from the original solvent phase and the extractant phase through the clarification chamber.

10. The method for using the mixing and clarifying extraction tank according to claim 9, characterized in that: In the step 1, the light phase liquid and the heavy phase liquid are pumped into the light phase inlet and the heavy phase inlet of the latent chamber respectively by a pressure pump.

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