Liquid-liquid extraction device

Abstract

The utility model belongs to the technical field of experimental equipment, and provides a liquid-liquid extraction device which comprises a bearing seat, a liquid-liquid separation device and a liquid-liquid separation device, the seat bedplate is arranged above the bearing seat and is connected with the driving mechanism so as to enable the driving mechanism to do reciprocating motion; the supporting frame is fixedly arranged above the seat bedplate, the arrangement direction of the supporting frame is parallel to the reciprocating motion direction of the seat bedplate, the supporting frame is provided with an overturning cross beam, and the two ends of the overturning cross beam are rotationally connected with the supporting frame; the extraction container is fixedly connected with the overturning cross beam, the extraction container is provided with a tail connecting pipe communicated with an inner cavity of the extraction container, and the tail connecting pipe is provided with a switch valve. According to the liquid-liquid extraction device provided by the utility model, the liquid-liquid extraction container can be oscillated and shaken to promote the separation and extraction of the extraction liquid, manual repeated oscillation and interval deflation are not needed, the operation difficulty and complexity are reduced, the liquid-liquid extraction efficiency is improved, the labor intensity of experimenters is reduced, and the liquid-liquid extraction device is simple to use and convenient to operate.

Description

Technical Field

[0001] The utility model belongs to the technical field of experimental equipment, and in particular relates to a liquid-liquid extraction device. Background Art

[0002] At present, liquid-liquid extraction generally uses a separatory funnel to extract and separate samples. During the liquid-liquid extraction process, it is necessary to use a measuring cylinder to pre-measure the required volume of sample and extraction solvent and transfer them to the separatory funnel respectively. The steps are cumbersome and there is a risk of misoperation. Moreover, due to the obvious difference in the measured volume of the sample and the extraction solvent, measuring cylinders of different ranges are usually required to measure them separately, resulting in the occupation of more experimental containers. In addition, the separatory funnel needs to be manually sealed during the shaking process, and the separatory funnel needs to be held with both hands for shaking. During the shaking process, the exhaust port of the separatory funnel needs to be opened at intervals for venting. This process needs to be repeated several times until no gas is generated. This process consumes a lot of physical strength and requires intermittent venting during the shaking process. The operation is complicated and prone to operational errors, which seriously affects the efficiency of liquid-liquid extraction.

[0003] Therefore, it is necessary to design a liquid-liquid extraction device with a simple structure, easy use, and labor-saving. Summary of the Invention

[0004] In order to solve the above technical problems, the utility model proposes a liquid-liquid extraction device, which can shake the liquid-liquid extraction container to promote the separation and extraction of the extraction liquid. There is no need for manual repeated shaking and intermittent venting, which reduces the difficulty and complexity of operation, improves the efficiency of liquid-liquid extraction, and reduces the labor intensity of experimenters. It is simple to use and convenient to operate.

[0005] The technical solution of the utility model is:

[0006] The utility model provides a liquid-liquid extraction device, comprising:

[0007] A bearing seat, wherein a driving mechanism is embedded in the bearing seat;

[0008] A seat plate, the seat plate is arranged above the bearing seat, and the seat plate is connected to the driving mechanism so that it can reciprocate relative to the bearing seat;

[0009] A support frame, wherein the support frame is fixedly arranged above the seat plate, and the arrangement direction of the support frame is parallel to the reciprocating motion direction of the seat plate, and the support frame is provided with a flip beam parallel to the seat plate, and both ends of the flip beam are rotatably connected to the support frame;

[0010] An extraction container is fixedly connected to the flip beam, the extraction container is provided with a tail pipe connected to its inner cavity, and the tail pipe is provided with a switch valve.

[0011] Preferably, the flip beam includes symmetrically arranged cross bars and a jacket located between the cross bars on both sides;

[0012] The cross bar is rotatably connected to the support frame, the jacket is connected to the cross bars on both sides, and the extraction container fixing clamp is arranged in the jacket.

[0013] Preferably, the support frame is further provided with a limit beam located above the flip beam;

[0014] The position-limiting blocking beam is provided with a receiving groove adapted to the tail pipe, and a blocking plate movably connected to the position-limiting blocking beam, and the blocking plate is arranged opposite to the receiving groove.

[0015] Preferably, the support frame is an inverted "U"-shaped frame perpendicular to the base plate, and the support frame is provided with a flip limit lock located at both ends of the flip beam.

[0016] Preferably, a plurality of support frames are provided, and the plurality of support frames are arranged in parallel and at intervals.

[0017] Preferably, the extraction container is further provided with a sample addition port communicated with its inner cavity, and the sample addition port is provided with a sealing cover sealed with the thread;

[0018] The extraction container is a transparent glass container, and scale lines are provided on the outer wall of the container.

[0019] Preferably, the upper end surface of the bearing seat is provided with a guide rail, the lower end surface of the seat plate is provided with a guide rail groove adapted to the guide rail, and the guide rail is movably arranged in the guide rail groove.

[0020] Preferably, the driving mechanism includes a driving motor, and a driving wheel and a driving switch connected to the driving motor;

[0021] The base plate is connected to the driving wheel so as to drive the base plate to reciprocate through the driving wheel.

[0022] Preferably, the axis of the driving wheel is parallel to the guide rail, the driving wheel is provided with a cam groove, the lower end surface of the base plate is provided with a cam shaft adapted to the cam groove, and the cam shaft is embedded in the cam groove.

[0023] Preferably, a plurality of universal wheels are provided at the bottom of the bearing seat.

[0024] Compared with the prior art, the present invention has the following advantages and effects:

[0025] (1) A supporting base provided with a driving mechanism and a base plate connected to the driving mechanism are used, so that the base plate and the support frame and the extraction container located above the base plate can reciprocate relative to the supporting base, thereby achieving the effect of shaking the extraction container, without the need for manual shaking, reducing manpower consumption and effort, and improving the efficiency of the extraction process. In addition, the extraction process does not require manual interval exhaust, reducing the operation steps of the extraction process and reducing the difficulty and complexity of liquid-liquid extraction;

[0026] (2) A flip beam rotatably connected to the support frame is used. After the extraction is shaken, the extraction container can be flipped by the flip beam so that the extract can be discharged through the tail pipe. It is convenient and quick to use, and there is no need to repeatedly transfer the extraction container, which reduces the complexity of operation and manpower consumption, and avoids damage to the extraction container caused by misoperation;

[0027] (3) A limit beam with a receiving groove and a baffle is used to fix the tail pipe of the extraction container during the shaking process, thereby avoiding the extraction container from flipping over during the shaking and exhaust process, and the resulting leakage and spillage of the solution, thereby improving the stability and reliability of the liquid-liquid extraction process. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic structural diagram of the liquid-liquid extraction device in Example 1 of the present utility model;

[0029] Figure 2 for Figure 1 Schematic diagram of the enlarged structure at position A in the middle;

[0030] Figure 3 This is a schematic structural diagram of the support base in the liquid-liquid extraction device in Example 1 of the present utility model;

[0031] Figure 4 This is a top view of the supporting base in the liquid-liquid extraction device in Example 1 of the present utility model;

[0032] Figure 5 This is a schematic structural diagram of the base plate in the liquid-liquid extraction device in Example 1 of the present utility model;

[0033] Figure 6 This is a schematic structural diagram of the liquid-liquid extraction device in Example 2 of the present utility model;

[0034] Figure 7 This is a schematic structural diagram of the support base in the liquid-liquid extraction device in Example 2 of the present utility model.

[0035] Figure numerals: 1. supporting seat; 11. guide rail; 12. driving motor; 13. driving wheel; 131. cam groove; 14. driving switch; 15. universal wheel; 2. base plate; 21. guide rail groove; 22. cam shaft; 3. supporting frame; 31. flip beam; 311. cross bar; 312. jacket; 32. limit beam; 321. accommodating groove; 322. baffle; 33. flip limit lock; 4. extraction container; 41. tail pipe; 411. switch valve; 42. sample port; 421. sealing cover. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the present invention, the present invention will be further described in conjunction with specific implementation methods.

[0037] Example 1:

[0038] like Figures 1 to 5 As shown, the utility model provides a liquid-liquid extraction device, including a supporting seat 1, a base plate 2 located above the supporting seat 1, a support frame 3 located above the base plate 2, and an extraction container 4 fixedly arranged on the support frame 3, which can be used to extract new pollutants. For new pollutants, please refer to the 14 new pollutants involved in the "List of New Pollutants Under Key Control (2023 Edition)", which will not be described in detail here.

[0039] Combine Figure 3 、 Figure 4 、 Figure 5 As shown, a driving mechanism is embedded inside the supporting seat 1 to drive the seat plate 2 to reciprocate to achieve the effect of shaking the extraction container 4. The seat plate 2 is arranged above the supporting seat 1 and is connected to the driving mechanism so that it can reciprocate relative to the supporting seat 1 in the horizontal direction; the upper end surface of the supporting seat 1 is provided with two parallel guide rails 11, and the lower end surface of the seat plate 2 is provided with a guide rail groove 21 adapted to the guide rail 11, and the length of the guide rail groove 21 is greater than the length of the guide rail 11, and the guide rail 11 is movably embedded in the guide rail groove 21.

[0040] Specifically, refer to Figure 4 、 Figure 5As shown, the driving mechanism includes a driving motor 12, a driving switch 14 and a driving wheel 13 connected to the driving motor 12. The axis of the driving wheel 13 is parallel to the guide rail 11. The driving wheel 13 is provided with a cam groove 131. The lower end surface of the base plate 2 is provided with a cam shaft 22 adapted to the cam groove 131. The cam shaft 22 is embedded in the cam groove 131 so that the driving wheel 13 drives the base plate 2 to reciprocate in a direction parallel to the guide rail 11 during rotation. The driving switch 14 is provided on the side wall of the support base 1. It should be noted that the support base 1 is provided with a power cord (not shown in the figure) connected to the driving motor 12 to connect an external power supply to power the driving motor 12.

[0041] like Figure 1 、 Figure 2 As shown, the support frame 3 is fixedly arranged above the seat plate 2, and the layout direction of the support frame 3 is parallel to the reciprocating motion direction of the seat plate 2, that is, the layout direction of the support frame 3 is parallel to the guide rail 11, and the support frame 3 is an inverted "U"-shaped frame perpendicular to the seat plate 2. The support frame 3 is provided with a flip beam 31 parallel to the seat plate 2, and the two ends of the flip beam 31 are rotatably connected to the support frame 3. The support frame 3 is provided with a flip limit lock 33 located at both ends of the flip beam 31 so that During the extraction process, the flip beam 31 is in a locked state and does not rotate. After the extraction is completed, the flip limit lock 33 is opened, and the extraction container 4 flips along with the flip beam 31, thereby completing the pouring of the extract; the flip beam 31 includes symmetrically arranged cross bars 311 and a jacket 312 located between the cross bars 311 on both sides. The cross bars 311 on both sides are rotatably connected to the support frame 3, the jacket 312 is fixedly connected to the cross bars 311 on both sides, and the extraction container 4 is fixedly clamped in the jacket 312.

[0042] refer to Figure 1 、 Figure 2 As shown, the support frame 3 is further provided with a limiting stop beam 32 located above the flip beam 31. The limiting stop beam 32 is provided with a receiving groove 321 adapted to the tail pipe 41 of the extraction container 4, and a blocking plate 322 movably connected to the limiting stop beam 32. The blocking plate 322 is arranged relative to the receiving groove 321 to limit and fix the tail pipe 41 and the extraction container 4, thereby preventing the extraction container 4 from flipping or deflecting during shaking and improving stability.

[0043] Optionally, in some embodiments, one end of the blocking plate 322 is rotatably hinged to the limiting blocking beam 32 , and the other end is movably engaged with the limiting blocking beam 32 to achieve limiting fixation of the tail pipe 41 located in the accommodating groove 321 .

[0044] The extraction container 4 is fixedly connected to the flip beam 31. The extraction container 4 is provided with a tail pipe 41 connected to its inner cavity. The tail pipe 41 is provided with a switch valve 411. During the extraction process, the switch valve 411 can be opened to discharge the gas generated during the shaking process; the extraction container 4 is also provided with a sampling port 42 connected to its inner cavity. The sampling port 42 is provided with a sealing cover 421 threadedly sealed therewith. The sampling port 42 and the tail pipe 41 are both provided on the top wall of the extraction container 4 and connected to its inner cavity. Furthermore, the extraction container 4 is a transparent glass container, and scale lines are set on its outer wall, including 100ml, 200ml, 300ml, 500ml, 1000ml and other scale lines, which can be set specifically according to the capacity of the extraction container 4. In this way, the water sample does not need to be manually measured through a measuring cylinder during the transfer and pouring process. It can be directly poured into the extraction container 4 through the sample addition port 42, and the volume of the added water sample can be judged by the scale lines, which simplifies the liquid-liquid extraction operation steps and makes it easier for the experimenter to clearly and intuitively understand the situation in the extraction container 4.

[0045] Optionally, in some embodiments, the cover 421 is an anti-corrosion cover, and specifically the cover 421 is a Teflon cover 421 .

[0046] like Figure 1 As shown, four universal wheels 15 are provided at the bottom of the supporting base 1 to facilitate the movement of the entire device. Furthermore, the universal wheels 15 are provided with a wheel lock structure (not shown in the figure) to lock the universal wheels 15 so that the supporting base 1 will not move during the reciprocating shaking extraction process of the base plate 2.

[0047] Example 2:

[0048] For Example 2 of the present utility model, Figure 6 、 Figure 7 Note that, descriptions of parts that are the same as those in Example 1 are omitted and are given the same reference numerals.

[0049] like Figure 6 As shown, the utility model relates to a liquid-liquid extraction device, wherein two support frames 3 are provided, and the two support frames 3 are arranged in parallel and spaced apart in a direction perpendicular to the reciprocating motion of the base plate 2, so that liquid-liquid extraction can be performed on two water samples at the same time, thereby effectively improving the efficiency of liquid-liquid extraction.

[0050] For further reference, Figure 7 As shown, a driving mechanism including a plurality of driving motors 12 and a driving wheel 13 is provided inside the supporting base 1. The plurality of driving motors 12 and the driving wheels 13 are arranged in parallel and spaced apart. At the same time, a plurality of cam shafts 22 (not shown in the figure) that are adapted to the cam grooves 131 of the driving wheels 13 are also provided on the lower end surface of the base plate 2. By setting up a plurality of driving mechanisms, the stability and reliability of the reciprocating motion of the base plate 2 can be effectively improved.

[0051] In summary, the liquid-liquid extraction device provided by the utility model can shake the liquid-liquid extraction container to promote the separation and extraction of the extract, without the need for manual repeated shaking and intermittent venting, reducing the difficulty and complexity of operation, improving the liquid-liquid extraction efficiency while reducing the labor intensity of the experimenter, and is simple to use and convenient to operate.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. A liquid-liquid extraction device, characterized in that: include: A bearing seat (1), wherein a driving mechanism is embedded in the bearing seat (1); A seat plate (2), the seat plate (2) being arranged above the bearing seat (1), and the seat plate (2) being connected to the driving mechanism so as to enable reciprocating motion relative to the bearing seat (1); A support frame (3), wherein the support frame (3) is fixedly arranged above the seat plate (2), and the arrangement direction of the support frame (3) is parallel to the reciprocating motion direction of the seat plate (2), and the support frame (3) is provided with a flip beam (31) parallel to the seat plate (2), and both ends of the flip beam (31) are rotatably connected to the support frame (3); An extraction container (4), the extraction container (4) being fixedly connected to the flip beam (31), the extraction container (4) being provided with a tail pipe (41) communicating with its inner cavity, the tail pipe (41) being provided with a switch valve (411).

2. The liquid-liquid extraction device according to claim 1, characterized in that: The flip crossbeam (31) includes symmetrically arranged crossbars (311) and a jacket (312) located between the crossbars (311) on both sides; The crossbar (311) is rotatably connected to the support frame (3), the jacket (312) is connected to the crossbar (311) on both sides, and the extraction container (4) is fixedly clamped in the jacket (312).

3. The liquid-liquid extraction device according to claim 1, wherein: The support frame (3) is further provided with a limit beam (32) located above the flip beam (31); The position-limiting blocking beam (32) is provided with a receiving groove (321) adapted to the tail pipe (41), and a blocking plate (322) movably connected to the position-limiting blocking beam (32), and the blocking plate (322) is arranged relative to the receiving groove (321).

4. The liquid-liquid extraction device according to claim 1, wherein: The support frame (3) is an inverted "U"-shaped frame body perpendicular to the seat plate (2), and the support frame (3) is provided with a flip limit lock (33) located at both ends of the flip beam (31).

5. The liquid-liquid extraction device according to claim 1, characterized in that: A plurality of the support frames (3) are provided, and the plurality of the support frames (3) are arranged in parallel and at intervals.

6. The liquid-liquid extraction device according to claim 1, characterized in that: The extraction container (4) is further provided with a sample addition port (42) communicating with the inner cavity thereof, and the sample addition port (42) is provided with a sealing cover (421) sealed with the thread; The extraction container (4) is a transparent glass container, and scale lines are provided on its outer wall.

7. The liquid-liquid extraction device according to claim 1, characterized in that: The upper end surface of the bearing seat (1) is provided with a guide rail (11), and the lower end surface of the seat plate (2) is provided with a guide rail groove (21) adapted to the guide rail (11), and the guide rail (11) is movably arranged in the guide rail groove (21).

8. The liquid-liquid extraction device according to claim 7, characterized in that: The driving mechanism comprises a driving motor (12), a driving wheel (13) and a driving switch (14) connected to the driving motor (12); The seat plate (2) is connected to the driving wheel (13) so as to drive the seat plate (2) to reciprocate via the driving wheel (13).

9. The liquid-liquid extraction device according to claim 8, characterized in that: The axis of the driving wheel (13) is parallel to the guide rail (11), the driving wheel (13) is provided with a cam groove (131), the lower end surface of the seat plate (2) is provided with a cam shaft (22) adapted to the cam groove (131), and the cam shaft (22) is embedded in the cam groove (131).

10. The liquid-liquid extraction device according to claim 1, characterized in that: A plurality of universal wheels (15) are provided at the bottom of the bearing seat (1).

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