CN210205955U - Full-automatic oscillation extraction and purification device - Google Patents

Abstract

The application discloses full-automatic oscillation draws purifier includes: the device comprises a first bottle rack with an automatic rotating and addressing function, a vibration extraction system, a purification system and a filtering and liquid-recovering system; the oscillation extraction system includes: the device comprises a vibrator, a first bottle rack, an extraction bottle and a first mechanical arm; the extraction bottle is arranged on the first bottle rack and stops at the liquid level to be filled after rotating along with the first bottle rack; the liquid injection position to be injected is in the liquid transfer range of the first mechanical arm; the oscillator is arranged on the first bottle rack; and oscillating and standing the sample in situ in an extraction bottle to obtain an extracting solution. The device is particularly suitable for pre-treating a sample to be detected according to the national standard GB23200.113-2018, and has high extraction and purification speed and high automation degree.

Description

Full-automatic oscillation extraction and purification device

Technical Field

The application relates to a full-automatic oscillation extraction and purification device, and belongs to the field of sample pretreatment.

Background

In the process of analyzing and detecting the drug residues in foods such as fruits, grains and the like, the foods are generally firstly crushed, then the liquid-solid extraction method is adopted to extract the food traditional Chinese medicine residues into the extracting solution under the action of continuous oscillation, and the extracting solution to be purified is obtained by centrifugation. Then further purifying the extract by using techniques such as dispersed solid phase extraction purification and the like.

The above drug residue analysis and detection process has been forced to be established as a national standard. For example, in the national standard GB23200.113-2018 food safety national standard plant-derived food, the gas chromatography-mass spectrometry combined method for measuring the residual quantity of 208 pesticides and metabolites thereof at least comprises the following pretreatment processes:

① placing the sample to be tested in a plastic centrifuge tube, adding acetonitrile, magnesium sulfate, sodium chloride, sodium citrate, disodium hydrogen citrate and 1 ceramic proton, covering the centrifuge tube cover, shaking violently, and centrifuging;

② sucking a certain amount of supernatant, adding into a plastic centrifuge tube containing magnesium sulfate and PSA, adding magnesium sulfate, PSA and GCB into the plastic centrifuge tube for dark samples, mixing by vortex, and centrifuging;

③ sucking a certain amount of supernatant accurately, blowing nitrogen gas to near dryness in water bath at 40 deg.C, redissolving, filtering with microporous membrane, and testing on a machine.

SUMMERY OF THE UTILITY MODEL

According to an aspect of the application, a full-automatic oscillation extraction and purification device is provided, the device can effectively improve sample treatment efficiency, shorten treatment time, and automatically and gradually complete each operation of pretreatment.

Full-automatic oscillation extraction and purification device is characterized by comprising: the device comprises a first bottle rack with an automatic rotating and addressing function, a vibration extraction system, a purification system and a filtering and liquid-recovering system;

the oscillation extraction system includes: the device comprises a vibrator, a first bottle rack, an extraction bottle and a first mechanical arm; the extraction bottle is arranged on the first bottle rack and stops at the liquid level to be filled after rotating along with the first bottle rack; the liquid injection position to be injected is within the liquid transfer range of the first mechanical arm; the oscillator is arranged on the first bottle rack.

And carrying out in-situ oscillation and in-situ filtration by using a hydrophobic porous filter membrane on the sample in the extraction bottle to obtain an extracting solution.

Optionally, the oscillation extracting system includes: the first bottle rack, the solvent bottle and the first needle washing container are arranged on the first tray body;

the solvent bottle and the first needle washing container are arranged in the liquid transferring range of the first mechanical arm;

the first liquid inlet needle is arranged on the liquid taking end of the first mechanical arm.

After the first mechanical arm moves the first liquid inlet needle to the first needle washing container for needle washing, taking the solvent from the solvent bottle and then moving the solvent into the extraction bottle;

optionally, the solvent is acetonitrile.

Optionally, the extraction bottle comprises: the water-repellent bottle comprises a bottle cap, an inner inserting tube, a hydrophobic porous filter membrane and a bottle body, wherein one end of the inner inserting tube is sleeved with the hydrophobic porous filter membrane and extends into the bottle body, the other end of the inner inserting tube is an open end which is inserted into the bottle cap, and the open end is exposed on the surface of the bottle cap;

preferably, the sample and extraction pad are contained in a cavity between the inner cannula and the vial;

preferably, the extraction packing is: magnesium sulfate, sodium chloride, sodium citrate, and disodium hydrogen citrate.

Optionally, the purification system comprises: a purifying column and a second mechanical arm;

the purification column and the filtration liquid recovery system are arranged in the grabbing range of the second mechanical arm.

The second mechanical arm grabs the purifying column and pulls a piston in the purifying column to absorb the extracting solution;

and the second mechanical arm pushes the piston in the purification column to purify the extracting solution to obtain the purified solution.

Optionally, the purification column comprises: the piston, the cylindrical tube and the filter material layer; the piston is accommodated in the column tube and slides along the inner wall of the column tube; the first end of the cylindrical pipe is open, and the second end of the cylindrical pipe is provided with a liquid outlet; the second end of the cylindrical pipe is internally provided with the filter material layer.

Optionally, the filtration and rehydration system comprises: the device comprises a second bottle rack, a third mechanical arm, at least one purified sample bottle, a needle type filter and a heating device, wherein the purified sample bottle is inserted into the second bottle rack and rotates to a liquid position to be moved along with the second bottle rack;

the liquid level to be moved of the second bottle rack is positioned in the liquid moving range of the third mechanical arm and the second mechanical arm;

the needle type filter is inserted on the liquid inlet of the purification sample bottle.

The purifying liquid is moved into the needle filter from the purifying column;

the heating device heats the purified sample bottle.

Optionally, the filtration and rehydration system comprises: the second bottle rack is arranged on the third tray body;

the liquid level sensor is arranged in the monitoring range of the purification sample bottle. The concentrated gas needle is used for blowing gas to the purified sample bottle;

the liquid level sensor monitors the liquid level in the purified sample bottle.

Optionally, the filtration and rehydration system comprises: the second liquid inlet needle is mounted on the liquid transfer end of the third mechanical arm;

the second needle washing container, the re-solution bottle and the third mechanical arm are arranged on the fourth tray body;

the second needle washing container and the re-solution bottle are arranged in the pipetting range of the third mechanical arm.

According to yet another aspect of the present application, there is provided a pretreatment method including the steps of:

carrying out in-situ oscillation and in-situ filtration by a hydrophobic porous filter membrane on a sample to obtain an extracting solution;

purifying the extracting solution to obtain a purified solution;

and carrying out in-situ filtration, concentration and in-situ redissolution on the purified solution to obtain a detection solution.

The beneficial effects that this application can produce include:

1) the application provides a full-automatic oscillation extraction purifier adopts hydrophobicity porous filter membrane to filter and replaces centrifuge to realize oscillating the solid-liquid separation who draws the step, adopts syringe formula dispersion solid phase extraction purifier to realize the solid-liquid separation who purifies the step. Can realize the required pretreatment step of full-automatic sample that waits to detect through the device, solution realizes shifting through the arm between each device, can realize once adding the sample, can accomplish according to the preface to vibrate and draw, disperse pretreatment steps such as solid phase extraction purification, automatic move the liquid, can realize that medicine remains high flux, full-automatic sample pretreatment in the food, the practicality is stronger.

2) The full-automatic oscillation extraction and purification device provided by the application is particularly suitable for pre-treating a sample to be detected according to the national standard GB23200.113-2018, and is high in extraction and purification speed and high in automation degree.

Drawings

FIG. 1 is a schematic structural diagram of a fully-automatic oscillation extraction purification device according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an extraction bottle according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a purification column according to one embodiment of the present application;

list of parts and reference numerals:

Detailed Description

The present application will be described in detail with reference to examples, but the present application is not limited to these examples.

Referring to fig. 1, the full-automatic oscillation extraction and purification device that this application provided includes: the bottle rack with the automatic rotating and addressing functions, the mechanical arm, the vibration extraction system, the purification system and the filtration complex liquid system are arranged on the bottle rack;

the oscillation extraction system is used for carrying out in-situ oscillation extraction on the sample to obtain an extracting solution;

the bottle rack and the mechanical arm are used for conveying liquid among the vibration extraction system, the purification system and the filtration liquid recovery system.

The bottle rack and the mechanical arm with the automatic rotation addressing function can be conventional devices. The mechanical arm can realize the actions of rotation, extension, bending movement, extrusion, push-pull and the like. The automatic rotary addressing bottle rack can complete rotation and stop at the liquid level to be filled. The oscillation extraction system, the purification system and the filtration complex liquid system are common systems which can be used for realizing the functions.

The application provides the device cooperatees through adopting arm and bottleholder, realizes carrying out liquid transportation between each step processing system, realizes the liquid treatment process full automation of multistep. The production efficiency is improved.

Vibrate extraction system

Specifically, the oscillation extraction system includes: the device comprises a vibrator 2, a first bottle rack 3, an extraction bottle 4 and a first mechanical arm 8; the extraction bottle 4 is arranged on the first bottle rack 3 and stops at the liquid level to be filled after rotating along with the first bottle rack 3; the liquid injection position is in the liquid transfer range of the first mechanical arm 8; the oscillator 2 is arranged on the first bottle rack 3, and the extracting bottle 4 is oscillated.

Optionally, the first mechanical arm 8 pipettes into the extraction bottle 4 at the filling position.

The taking range of the first mechanical arm 8 means that the taking and placing of the extraction bottle 4 can be realized through the first mechanical arm 8 according to control.

Specifically, the oscillation extraction system comprises a first tray body 1, a solvent bottle 5 and a first needle washing container 6, wherein a first bottle rack 3, the solvent bottle 5 and the first needle washing container 6 are arranged on the first tray body 1; the solvent bottle 5 and the first needle wash vessel 6 are mounted within the pipetting range of the first mechanical arm 8.

Specifically, shake extraction system and include first liquid inlet needle 7, first liquid inlet needle 7 sets up on the liquid end of getting of first robotic arm 8, accomplishes through first liquid inlet needle 7 and moves the liquid.

Camera fig. 2, in particular, the extraction bottle 4 comprises: an inner cannula 42, a hydrophobic porous filter membrane 43 and a bottle body 44, wherein one end of the inner cannula 42 is sleeved with the hydrophobic porous filter membrane 43 and extends into the bottle body 44, the other end is inserted into the bottle cap 41, and the surface of the bottle cap 41 is exposed to an open end.

When in use, the sample to be treated and the extraction filler are firstly placed in the cavity between the hydrophobic porous filter membrane 43 and the bottle body 44. The extraction liquid is injected into the open end by the first robot arm 8. The extracting solution is fully contacted with the sample and the extracting filler through the hydrophobic porous filter membrane 43, and after oscillation, the hydrophobic porous filter membrane is filtered in situ to obtain the extracting solution.

Purification system

Specifically, the purification system includes: a purge column 11 and a second robot arm 12; the purifying column 11 and the filtering liquid recovery system are arranged in the grabbing range of the second mechanical arm 12. After the second mechanical arm 12 grabs the purifying column 11, the second mechanical arm 12 pushes the piston 113 in the purifying column 11 after the purifying column 11 is pulled to suck the extracting solution, and the purified extracting solution is moved into the purifying sample bottle 15.

Optionally, the purification system comprises: the second tray body 9 and the purification column 11 placing tray, and the purification column 11 is placed on the purification column 11 placing tray; the second mechanical arm 12 and the purification column 11 placing tray are placed on the second tray body 9.

Referring to fig. 3, the purification column 11 includes: a piston 113, a shaft tube 112, a layer of filter material; the piston 113 is accommodated in the trunk pipe 112 and slides along the inner wall of the trunk pipe 112; the first end of the trunk tube 112 is open, and the second end is provided with a liquid outlet 116; a layer of filtration material is disposed within the second end of the barrel 112.

Optionally, the periphery of the layer of filter material is fixedly attached to the inner wall of the shaft tube 112.

Optionally, the filtering material layer includes at least one pair of porous sieve plates 114 and a purifying filler 115, the porous sieve plates 114 are arranged at intervals, and the purifying filler 115 is filled between the porous sieve plates 114 arranged in pairs.

And (3) a filtering complex liquid system:

specifically, filtration complex liquid system includes: a second bottle rack 14, a third mechanical arm 22, at least one purified sample bottle 15, a needle filter 18 and a heating device, wherein the purified sample bottle 15 is inserted on the second bottle rack 14 and rotates along with the second bottle to a liquid level to be moved. The position to be pipetted is within the pipetting range of the third mechanical arm 22 and the second mechanical arm 12; the needle filter 18 is inserted into the liquid inlet of the purified sample bottle 15. The heating device heats the purified sample bottle 15.

Optionally, the filtration and rehydration system comprises: the concentrated gas needle 17, the liquid level sensor 16 and the third tray body 13, and the second bottle rack 14 is arranged on the third tray body 13; after the concentrated gas needle 17 extends into the purified sample bottle 15, the purified sample bottle 15 is blown with gas; a level sensor 16 monitors the level of liquid in the decontaminated sample vial 15.

Optionally, the filtration and rehydration system comprises: the fourth tray body 19, the second needle washing container 20, the re-solution bottle 21 and the second liquid inlet needle 23, wherein the second liquid inlet needle 23 is arranged on the liquid transferring end of the third mechanical arm 22; the second needle washing container 20, the reconstituted solution bottle 21 and the third mechanical arm 22 are arranged on the fourth tray body 19. The second needle washing container 20 and the reconstituted solution bottle 21 are located within the pipetting range of the third mechanical arm 22.

Optionally, comprising: interior aspiration pump 24 and light-resistant case 25 vibrate extraction system, clean system and filtration complex liquid system and hold and set up in light-resistant case 25, interior aspiration pump 24 communicates with the liquid-transfering device on the arm.

Further, the solvent contained in the solvent bottle 5 is acetonitrile or other solvent required for pretreatment.

Further, the composition of the extraction filler is as follows: magnesium sulfate, sodium chloride, sodium citrate, disodium hydrogen citrate, or similar combination mixtures.

Further, the composition of the purification filler 115 in the purification column 11 is: magnesium sulfate, PSA and GCB mixtures or similar combination mixtures.

Further, the first robot arm 8 and the third robot arm 22 may rotate or move up and down according to the auto addressing result.

Further, the second robot arm 12 has an automatically addressable function of automatically rotating, moving up and down, and pushing and pulling the piston 113.

Another aspect of the present application further provides a pretreatment method, including the following steps:

carrying out in-situ oscillation mixing and in-situ filtration by a hydrophobic porous filter membrane on a sample to obtain an extracting solution;

purifying the extracting solution to obtain a purified solution;

and carrying out in-situ filtration, concentration and in-situ redissolution on the purified solution to obtain a detection solution.

Examples

Referring to fig. 1, the full-automatic oscillation extraction and purification device comprises a first tray body 1, an oscillator 2, a first bottle holder 3, an extraction bottle 4, a solvent bottle 5, a first needle washing container 6, a first liquid inlet needle 7, a first mechanical arm 8, a second tray body 9, a purification column 11 placing tray, a purification column 11, a second mechanical arm 12, a third tray body 13, a second bottle holder 14, a purification sample bottle 15, a liquid level sensor 16, a concentrated gas needle 17, a needle filter 18, a fourth tray body 19, a second needle washing container 20, a re-dissolving liquid bottle 21, a third mechanical arm 22, a second liquid inlet needle 23, an internal suction pump 24 and a light-proof box 25.

Be equipped with the first bottle frame 3 that has rotatory addressing function on the first disk body 1, first bottle frame 3 bottom is equipped with oscillator 2, inserts on the first bottle frame 3 and establishes the several and draw bottle 4, is equipped with in the bottle 4 of drawing and draws the filler.

Referring to fig. 2, the extraction bottle 4 includes: a bottle cap 41, an inner cannula 42, a hydrophobic porous filter membrane 43 and a bottle body 44. One end of the inner insertion tube 42 is inserted into the bottle cap 41, the other end is sleeved with a hydrophobic porous filter membrane 43, and the end of the inner insertion tube 42 provided with the filter membrane extends into the bottle body 44. The first mechanical arm 8 is arranged near the extraction bottle 4, and liquid can be injected into the extraction bottle 4 on the liquid injection position through stretching the first mechanical arm 8. The extraction bottle 4 can be inserted on the first bottle rack 3 and is rotated by the first bottle rack 3 to stop at the liquid level to be filled. The oscillator 2 is installed on the first bottle rack 3 and generates oscillation to the first bottle rack 3.

Second disk body 9 sets up in one side of first disk body 1, is equipped with the purification post and places dish 10 and purification post 11, and the purification post is placed and is laid several purification post 11 on the dish 10, and the second arm 12 of being convenient for takes purification post 11. The second mechanical arm 12 is arranged on one side of the purification column placing plate 10, and the purification column placing plate 10 is located in the grabbing range of the second mechanical arm 12. The purification column 11 is placed upright on the purification column placing tray 10.

Referring to fig. 3, the purification column 11 includes: an upper cover 111, a column body pipe 112, a piston 113, and a porous sieve plate 114 arranged at two ends of a purifying filler 115 in pairs; one end of the shaft tube 112 is provided with a drain port 116. The other end of the trunk tube 112 is open, and the piston 113 extends into the trunk tube 112 and is connected to the upper cover 111.

The third tray body 13 is arranged on one side of the second tray body 9, a second bottle rack 14 with a rotary addressing function is arranged on the third tray body 13, and a plurality of purification sample bottles 15 are arranged on the second bottle rack 14, so that the third mechanical arm 22 can conveniently inject liquid into the purification sample bottles 15. A liquid level sensor 16 is placed on one side of each purge sample bottle 15 to monitor the liquid level in the purge sample bottle 15 in real time.

The fourth tray body 19 is arranged on one side of the third tray body 13, and is provided with a second needle washing container 20, a re-solution bottle 21, a third mechanical arm 22 and a second liquid inlet needle 23; when the second bottle holder 14 rotates to the liquid injection position, the purified sample bottle 15 is located in the taking range of the third mechanical arm 22. The re-solution bottle 21 and the second liquid inlet needle 23 are also positioned in the pick-up range of the third mechanical arm 22.

The first tray body 1, the oscillator 2, the first bottle holder 3, the extraction bottle 4, the solvent bottle 5, the first needle washing container 6, the first liquid inlet needle 7, the first mechanical arm 8, the second tray body 9, the purification column 11 placing tray, the purification column 11, the second mechanical arm 12, the third tray body 13, the second bottle holder 14, the purification sample bottle 15, the liquid level sensor 16, the concentrated gas needle 17, the needle type filter 18, the fourth tray body 19, the second needle washing container 20, the re-dissolving liquid bottle 21, the third mechanical arm 22, the second liquid inlet needle 23 and the internal suction pump 24 are all arranged in the light avoiding box 25.

In this embodiment, the device works as follows:

1. the sample to be detected and the extraction filler are manually placed in a cavity between an inner insertion tube 42 and a bottle body 44 of an extraction bottle 4, the inner insertion tube 42 with a bottle cap 41 is covered, a hydrophobic porous filter membrane 43 is arranged at the bottom of the inner insertion tube 42, the first bottle frame 3 rotates to convey the extraction bottle 4 to be sample-fed to a position to be sample-fed, a first liquid inlet needle 7 connected with a first mechanical arm 8 moves downwards to be inserted into a solvent bottle 5, and an inner suction pump 24 connected with the first liquid inlet needle 7 moves a certain amount of the extraction liquid in the solvent bottle 5 into the extraction bottle 4.

After the extracting solution submerges the sample, the oscillator is started to oscillate the extracting bottle 4, and the sample is oscillated and mixed in situ. The first liquid inlet needle 7 needs to be cleaned by the first needle cleaning container 6 before and after use, so that cross contamination is avoided.

Standing after oscillation, allowing the extracting solution after sample extraction to enter the inner intubation 42 through the hydrophobic porous filter membrane 43, and allowing the solid sample to be retained between the bottle body and the outer wall of the inner intubation 42 to realize solid-liquid separation to obtain the extracting solution to be purified;

2. the second mechanical arm 12 takes the purifying column 11 out of the purifying column placing tray 10, the second mechanical arm 12 moves the purifying column 11 and inserts the purifying column 11 into the inner inserting tube 42 of the solvent bottle 4, and the second mechanical arm 12 pulls the piston 113 of the purifying column 11 to suck a certain volume of extracting solution to be purified;

3. the second bottle rack 14 rotates to convey a purified sample bottle 15 needing sample introduction to a position to be subjected to sample introduction, the second mechanical arm 12 moves the purifying column 11 to the position above the purified sample bottle 15 to be subjected to sample introduction and moves downwards, the liquid discharge port 116 of the purifying column 11 is fixedly inserted into the needle filter 18 above the purified sample bottle 15 to be subjected to sample introduction, the second mechanical arm 12 pushes the piston 113 of the purifying column 11 to inject an extracting solution to be purified into the purified sample bottle 15 through the liquid discharge port 116 and the needle filter 18, the purified sample bottle 15 is provided with the liquid level sensor 16, the volume of the extracting solution entering the purified sample bottle 15 is monitored and ensured to be a set volume in real time, and after the set volume is reached, the second mechanical arm 12 stops pushing the piston 113 of;

4. the second robot arm 12 moves the purification cartridge 11 and the needle filter 18 into the purification cartridge placing tray 10;

5. a concentrated gas needle 17 is arranged on one side of the purified sample bottle 15, and in addition, a second bottle rack 14 at the bottom of the purified sample bottle 15 has a controllable heating function and is provided with a liquid level sensor 21, so that the real-time monitoring is realized, and the extract in the purified sample bottle 15 is ensured to be dried to a set volume or completely dried;

6. the second bottle rack 14 rotates to convey the purified sample bottle 15 to be fed to the position to be redissolved, the second liquid inlet needle 23 connected with the third mechanical arm 22 moves downwards to be inserted into the redissolution bottle 21, and the inner suction pump 24 connected with the second liquid inlet needle 23 moves a certain amount of redissolution in the redissolution bottle 21 into the purified sample bottle 15 for redissolution, so that the machine can be operated. Before and after use, the second liquid inlet needle 23 is cleaned in the second needle washing container 20 to avoid cross contamination.

Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.

Claims (9)

1. The utility model provides a full-automatic oscillation draws purifier which characterized in that includes: the device comprises a first bottle rack with an automatic rotating and addressing function, a vibration extraction system, a purification system and a filtering and liquid-recovering system;

the oscillation extraction system includes: the device comprises a vibrator, an extraction bottle and a first mechanical arm; the extraction bottle is arranged on the first bottle rack and stops at the liquid level to be filled after rotating along with the first bottle rack;

the liquid injection position to be injected is within the liquid transfer range of the first mechanical arm;

the oscillator is arranged on the first bottle rack.

2. The fully automatic oscillation extraction purification device of claim 1, wherein the oscillation extraction system comprises: the first bottle rack, the solvent bottle and the first needle washing container are arranged on the first tray body;

the solvent bottle and the first needle washing container are arranged in the liquid transferring range of the first mechanical arm;

the first liquid inlet needle is arranged on the liquid taking end of the first mechanical arm.

3. The full-automatic oscillation extraction and purification device of claim 1, wherein the extraction bottle comprises: the water-repellent bottle comprises a bottle cap, an inner inserting tube, a hydrophobic porous filter membrane and a bottle body, wherein one end of the inner inserting tube is sleeved with the hydrophobic porous filter membrane and extends into the bottle body, the other end of the inner inserting tube is an open end which is inserted into the bottle cap, and the open end is exposed on the surface of the bottle cap.

4. The fully automatic oscillation extraction purification device of claim 3, wherein sample and extraction packing are contained in a cavity between the inner cannula and the vial.

5. The fully automatic oscillation extraction purification device of claim 1, wherein the purification system comprises: a purifying column and a second mechanical arm;

the purification column and the filtration liquid recovery system are arranged in the grabbing range of the second mechanical arm.

6. The full-automatic oscillation extraction purification device of claim 5, wherein the purification column comprises: the piston, the cylindrical tube and the filter material layer; the piston is accommodated in the column tube and slides along the inner wall of the column tube; the first end of the cylindrical pipe is open, and the second end of the cylindrical pipe is provided with a liquid outlet; the second end of the cylindrical pipe is internally provided with the filter material layer.

7. The full-automatic oscillation extraction and purification device of claim 5, wherein the filtration and liquid recovery system comprises: the device comprises a second bottle rack, a third mechanical arm, at least one purified sample bottle, a needle type filter and a heating device, wherein the purified sample bottle is inserted into the second bottle rack and rotates to a liquid position to be moved along with the second bottle rack;

the liquid level to be moved of the second bottle rack is positioned in the liquid moving range of the third mechanical arm and the second mechanical arm;

the needle type filter is inserted on the liquid inlet of the purification sample bottle.

8. The full-automatic oscillation extraction and purification device of claim 7, wherein the filtration and liquid recovery system comprises: the second bottle rack is arranged on the third tray body;

the concentrated gas needle blows gas to the purified sample bottle;

the liquid level sensor is arranged in the monitoring range of the purification sample bottle.

9. The full-automatic oscillation extraction and purification device of claim 7, wherein the filtration and liquid recovery system comprises: the second liquid inlet needle is mounted on the liquid transfer end of the third mechanical arm;

the second needle washing container, the re-solution bottle and the third mechanical arm are arranged on the fourth tray body;

the second needle washing container and the re-solution bottle are arranged in the pipetting range of the third mechanical arm.

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