CN211652295U - Separation and purification device - Google Patents
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- CN211652295U CN211652295U CN201922395975.XU CN201922395975U CN211652295U CN 211652295 U CN211652295 U CN 211652295U CN 201922395975 U CN201922395975 U CN 201922395975U CN 211652295 U CN211652295 U CN 211652295U
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Abstract
The utility model discloses a separation and purification device, which comprises a sample adding unit, an extraction unit, a reagent adding unit and a collecting unit, wherein the sample adding unit is used for storing sample liquid and adding the sample liquid; the extraction unit is arranged at the downstream of the sample adding unit along the flow direction of the sample liquid, and the sample adding unit leaches the sample liquid on the extraction unit; the reagent adding unit is used for adding a reagent into the extraction unit; the collection unit is disposed downstream of the extraction unit in a flow direction of the sample liquid. By adopting the technical scheme, the sample adding unit and the reagent adding unit replace operators to drip the sample liquid and the reagents in the extracting unit, and the collecting unit can automatically collect the liquid generated in the separation and purification process, so that the workload of the operators is reduced.
Description
Technical Field
The utility model relates to a liquid analysis device, concretely relates to separation and purification device.
Background
In the field of nuclear industry, workers in the spent fuel post-processing process are in the radioactive environment of radioactive nuclides for a long time, and the rays generated by the radioactive nuclides can damage human cells, so that the incidence rate of cancers can be increased.
Therefore, it is necessary to estimate the irradiation dose in the body of the worker during the spent fuel reprocessing. The radionuclide can be discharged from urine along with the metabolism of a human body, the existing method for estimating the irradiation dose is to collect the urine of a worker and analyze the urine, and the analysis of the urine can be generally divided into four steps: 1. pretreating a sample; 2. chemical separation and purification; 3. preparing a source by electrodeposition; 4. and (6) measuring.
The specific steps of chemical separation and purification refer to the analysis method of plutonium in urine approved by the ministry of nuclear industry of the people's republic of China, and the specific process is as follows: the sample solution with a concentration of 7.5 mol/L20-30 mL passes through a resin column prepared in advance at a flow rate of 0.3-1 mL/min, the original beaker is washed with 10mL of nitric acid with a concentration of 7.5mol/L for a plurality of times, and the washing solution passes through the resin column at the same flow rate. Washing with 20mL of hydrochloric acid with the concentration of 8mol/L and 0.3mol/L of nitric acid solution and 20mL of nitric acid solution with the concentration of 7.5mol/L in sequence, and reducing the acidity with 2mL of nitric acid solution with the concentration of 1mol/L at the same flow rate as the adsorption flow rate. Under the condition that the temperature is not lower than 20 ℃, 12mL of hydrofluoric acid solution with the concentration of 0.36mol/L hydrochloric acid 0.01mol/L is analyzed at the flow rate of 0.2-0.5 mL/min, and the analysis solution is collected.
The specific steps of chemical separation and purification are complex, different solutions are required to be used for adsorption, leaching and elution experiments on the resin column for multiple times, the accuracy of the experiments needs to depend on the proficiency of operation of operators, the working conditions are easy to change, the experiment efficiency is low, and manpower is consumed.
Therefore, there is a need in the art for a separation and purification apparatus with high experimental accuracy and reliability, high experimental efficiency, and no labor consumption.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a separation and purification device, separation and purification device includes that the sample adds unit, extraction element, reagent and adds unit and collection unit, the sample adds the unit and is used for depositing sample liquid and carries out the interpolation of sample liquid; the extraction unit is arranged at the downstream of the sample adding unit along the flow direction of the sample liquid, and the sample adding unit leaches the sample liquid on the extraction unit; the reagent adding unit is used for adding a reagent into the extraction unit; the collection unit is disposed downstream of the extraction unit in the flow direction of the sample liquid.
According to the utility model discloses an embodiment, the sample adds the unit including a plurality of samples that are used for storing the sample liquid add the part and with the sample drive part that a plurality of samples add the part drive ground and connect, the sample drive part can with in the sample adds the part the sample liquid drip washing is in the extraction element.
According to the utility model discloses an embodiment, the extraction unit includes many extraction columns, the quantity of extraction column with the sample adds the quantity of part the same, many extraction columns set up one-to-one a plurality of samples add the edge of part the low reaches of sample liquid flow direction.
According to the utility model discloses an embodiment, the extraction unit still includes a plurality of drip washing funnels, the quantity of drip washing funnel with the quantity of extraction post is the same, a plurality of drip washing funnels set up one-to-one the neighbouring of many extraction posts the tip of part is added to the sample.
According to the embodiment of the utility model, the reagent adding unit comprises a plurality of reagent adding components and a fixing part, the number of the reagent adding components is the same as that of the extraction columns, and the plurality of reagent adding components drip wash the reagents on the extraction columns in one-to-one correspondence; the fixing member fixes the reagent addition member.
According to the utility model discloses an embodiment, every reagent adds the subassembly and all includes the drainage sleeve, be provided with many drain pipes in the drainage sleeve, the reagent that flows in many drain pipes is different each other.
According to the utility model discloses an embodiment, many drainage sleeves wear to establish in the fixed part and follow wear out in the fixed part, the liquid outlet of drain pipe aims at the extraction unit.
According to the utility model discloses an embodiment, the reagent includes the edulcoration reagent that is used for getting rid of impurity on the extraction element and is used for eluting the elution reagent of the target element on extraction element (2).
According to the utility model discloses an embodiment, the collecting element is including being used for collecting the drip washing the extraction element the sample liquid with the waste liquid collecting element and a plurality of eluant collecting element of edulcoration reagent, the quantity of eluant collecting element with the quantity of extraction post is the same, a plurality of eluant collecting element are used for collecting the drip washing one-to-one the extraction element elution reagent.
According to the utility model discloses an embodiment, waste liquid collecting unit is including setting up the waste liquid collecting vat of the below of extraction unit and with the waste liquid collecting tank that the waste liquid collecting vat links to each other, the waste liquid collecting tank is used for collecting the liquid that the waste liquid collecting vat was collected.
According to the utility model discloses an embodiment, the collection unit still includes the switching platform, waste liquid collecting element with a plurality of eluant collecting element all set up switch bench, the switching platform makes waste liquid collecting element with a plurality of eluant collecting element switch to operating position respectively.
According to the utility model discloses an embodiment, separation and purification device still includes the shielded box, the sample add the unit the extraction unit the reagent add the unit with the collection unit all sets up in the shielded box.
According to the utility model discloses an embodiment, separation and purification device still includes the PLC system, the PLC system with the sample add the unit the extraction unit the reagent add the unit with collection unit communication connection.
By adopting the technical scheme, the utility model discloses mainly there are following technological effect:
1. the separation and purification device can replace manual work to automatically complete the separation and purification steps of the sample liquid, so that the workload of operators is reduced;
2. by arranging the plurality of sample adding components, the separation and purification device can simultaneously process a plurality of groups of sample liquids, so that the working efficiency of the separation and purification device is improved;
3. by arranging the leaching funnel, the leaching funnel guides the sample liquid and/or the reagent to the extraction column, so that the sample liquid and/or the reagent are prevented from being leached on the extraction column incorrectly, and the waste of the sample liquid and/or the reagent is reduced;
4. the drainage sleeve is internally provided with the plurality of liquid outlet pipes, so that cross contamination among different reagents is avoided, and the experimental precision and accuracy of the separation and purification device are improved;
5. by arranging the switching table switching waste liquid collecting tank and the eluent collecting component, the switching table switching waste liquid collecting tank and the eluent collect different liquids, so that the eluent collecting component is prevented from collecting sample liquid and/or impurity removing reagents, meanwhile, the eluent is prevented from flowing into the waste liquid collecting tank, and the experiment reliability of the separation and purification device is improved;
6. through setting up the PLC system, operating personnel can accurate control experiment parameter, has improved separation and purification device's experiment precision.
Drawings
Fig. 1 is a structural view of a separation and purification apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of a separation and purification apparatus according to an embodiment of the present invention.
In the figure: 1. a sample addition unit; 11. a sample addition component; 12. a sample driving part; 2. an extraction unit; 21. an extraction column; 22. leaching a funnel; 3. a collection unit; 31. a waste liquid collection member; 311. a waste liquid collecting tank; 32. an eluent collection component; 4. an isolation box; 5. and a fixing component.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment discloses a separation and purification apparatus, which includes a sample adding unit 1, an extracting unit 2, a reagent adding unit, and a collecting unit 3, wherein the sample adding unit 1 is used for storing a sample liquid and adding the sample liquid; the extraction unit 2 is arranged at the downstream of the sample adding unit 1 along the flow direction of the sample liquid, and the sample adding unit 1 can drip the sample liquid on the extraction unit 2; the reagent adding unit is used for adding a reagent into the extraction unit 2; the collection unit 3 is disposed downstream of the extraction unit 2 in the flow direction of the sample liquid.
The sample adding unit 1 leaches the sample liquid on the extracting unit 2, the extracting unit 2 adsorbs the target nuclide in the extracting unit 2, most impurities flow into the collecting unit 3 along with the sample liquid, and a small amount of impurities are adsorbed in the extracting unit 2. The reagent adding unit firstly washes impurity-removing reagents on the extracting unit 2, the impurity-removing reagents remove a small amount of impurities adsorbed in the extracting unit 2, the small amount of impurities flow into the collecting unit 3 along with the impurity-removing reagents, the reagent adding unit finally washes elution reagents into the extracting unit 2, and the elution reagents elute target nuclides from the extracting unit 2 and flow into the collecting unit 3.
In order to increase the work efficiency of separation and purification, the sample adding unit 1 comprises a plurality of sample adding parts 11 and a sample driving part 12, the extraction unit 2 comprises a plurality of extraction columns 21, and the reagent adding unit comprises a plurality of reagent adding components. The number of the sample adding parts 11, the number of the extraction columns 21 and the number of the reagent adding assemblies are the same and are in one-to-one correspondence, that is, the sample adding parts 11 are arranged on the upstream of the extraction columns 21 in the flow direction of the sample liquid in one-to-one correspondence, and the reagent adding assemblies rinse the reagents onto the extraction columns 21 in one-to-one correspondence. The number of the sample adding parts 11 is not limited, but the present embodiment is provided with 6 sample adding parts 11, similarly provided with 6 extraction columns 21 and 6 reagent adding assemblies, and in some embodiments, the separation and purification apparatus is provided with 8 sample adding parts 11, 8 extraction columns 21 and 8 reagent adding assemblies. Through setting up a plurality of samples and adding part 11, many extraction columns 21 and a plurality of reagent and adding the subassembly, separation and purification device can carry out the separation and purification to multiunit sample liquid simultaneously, has improved separation and purification device's work efficiency. Intuitively speaking, if the separation and purification of 5 groups of sample liquid is completed every day by adopting manual test, the separation and purification device in the embodiment needs 210 minutes and can work continuously for 24 hours, so that the work efficiency of the separation and purification work of the sample liquid is obviously improved.
In order to prevent the sample liquid and/or reagent from not washing the extraction column 21 due to shaking or other reasons when the sample addition unit 1 and the reagent addition unit wash the sample liquid or reagent to the extraction column 21, the sample liquid and/or reagent directly enters the collection unit 3, and in order to avoid the loss of the sample liquid and/or reagent due to non-experimental factors, the extraction unit 2 further includes a plurality of washing funnels 22, and the number of the washing funnels 22 is the same as that of the extraction columns 21 and is arranged at the end of the extraction column 21 adjacent to the reagent addition unit in a one-to-one correspondence manner. The larger open end of the elution funnel 22 faces the sample addition unit 1. When the sample adding component 11 and the reagent adding assembly add the sample liquid or the reagent to the extraction unit 2, the elution funnel 22 drains the sample liquid or the reagent, so that the sample liquid and the reagent can elute the extraction column 21, the elution efficiency of the separation and purification device is ensured, and the loss of the sample liquid or the reagent in the separation and purification device is reduced. The materials of the extraction column 21 and the elution funnel 22 are not limited, and the extraction column 21 and the elution funnel 22 in this embodiment are made of glass.
In order to avoid cross contamination among different groups of sample liquids, the sample adding component 11 in the embodiment is a disposable injector, an operator pumps different sample liquids into the injector, the sample driving component 12 is arranged on one side of a piston handle of the injector, the sample driving component 12 can simultaneously push the piston handles of a plurality of injectors and further simultaneously push the plurality of pistons, a plurality of groups of sample liquids are simultaneously ejected from different injectors, and the extraction columns 21 corresponding to the injectors are leached. The specific structure of the sample driving part 12 is not limited, and preferably, in this embodiment, a constant speed syringe pump is used to push the pistons of all the syringes simultaneously, and the constant speed syringe pump can precisely control the adding rate of the sample, that is, the constant speed syringe pump can ensure that the sample liquid in all the syringes is eluted onto the extraction column 21 at the same preset speed, so as to improve the experimental precision of the separation and purification apparatus.
Preferably, in order to improve the experimental precision of the separation and purification apparatus, the adding rate of the reagent needs to be controlled, the reagent adding assembly in this embodiment elutes the reagent onto the extraction column 21 through a peristaltic pump, specifically, a liquid outlet pipe of the peristaltic pump is disposed in the elution funnel 22 of the extraction unit 2, the peristaltic pump controls the flow rate of the reagent, and the reagent is pumped out of the liquid outlet pipe and elutes the extraction column 21. Preferably, in order to avoid cross contamination between reagents, the reagent adding assembly in this embodiment includes a plurality of peristaltic pumps, the plurality of peristaltic pumps pump different reagents respectively, each reagent adding assembly in this embodiment includes 4 peristaltic pumps for pumping 4 reagents, the 4 peristaltic pumps pump 4 reagents respectively to rinse the extraction unit 2, each reagent adding assembly further includes a drainage sleeve, 4 drain pipes from different peristaltic pumps are provided in the drainage sleeve, in this embodiment, 24 peristaltic pumps, 24 drain pipes and 6 drainage sleeves are provided in common, in some embodiments provided with 8 extraction columns 21, 32 peristaltic pumps, 32 drain pipes and 8 drainage sleeves are provided in common.
In order to set up the drain pipe in extraction unit 2, avoid reagent to add in-process drainage sleeve from extracting unit 2 in the roll-off, reagent adds the unit and still includes fixed part 5 that is used for fixed drainage sleeve, and many drainage sleeves wear to establish in fixed part 5 and wear out from fixed part 5, and the liquid outlet of drain pipe aims at extraction unit 2. The structure of the fixing part 5 is not limited, for example, the fixing part 5 in this embodiment is a hollow rocker arm, and the drainage sleeves extend from the rocker arm to align the liquid outlets with the extraction columns 21 or the washing funnels 22 in a one-to-one correspondence.
In order to separately collect the impurity removing reagent and the elution reagent, the collecting unit 3 includes a waste liquid collecting part 31 and an eluent collecting part 32. The waste liquid collecting component 31 comprises a waste liquid collecting tank 311 and a waste liquid collecting tank, the waste liquid collecting tank 311 is in fluid communication with the waste liquid collecting tank, an impurity removing reagent and sample liquid are drained into the waste liquid collecting tank through the waste liquid collecting tank 311 for storage, the impurity removing reagent is a strong acid reagent which may generate acid mist, in order to reduce damage of the acid mist to operators, the waste liquid collecting tank is in fluid communication with the waste liquid collecting tank 311 in a sealing manner, in order to avoid liquid overflow in the waste liquid collecting tank, a liquid level alarming component is arranged in the waste liquid collecting tank, and an alarm is given when the liquid level reaches an alarm liquid level to prompt the operators to clean the liquid in the waste liquid collecting tank; in order to collect the eluents of a plurality of groups of sample liquids respectively, the collecting unit 3 includes a plurality of eluent collecting components 32, the number of the eluent collecting components 32 is the same as the number of the extraction columns 21, in this embodiment, 6 eluent collecting components 32 are provided in total, 6 eluent collecting components 32 are disposed under the extraction columns 21 in a one-to-one correspondence manner, in some embodiments in which 8 extraction columns 21 are provided, 8 eluent collecting components 32 are provided in total, and 8 eluent collecting components 32 are disposed under the extraction columns 21 in a one-to-one correspondence manner.
In the separation and purification process, the sample liquid and the reagent are eluted on the extraction unit 2 according to the sequence of the sample liquid, the impurity removal reagent and the elution reagent, therefore, in order to avoid the eluent collection component 32 from collecting the sample liquid and/or the impurity removal reagent, the collection unit 3 further comprises a switching table, and the waste liquid collection tank 311 and the plurality of eluent collection components 32 are both arranged on the switching table. The switching stage switches the waste liquid collecting tank 311 to a working position to collect sample liquid and impurity removing reagents; the switching stage switches the eluent collection component 32 to the working position to collect the eluted reagent. The switching manner of the switching table is not limited, for example, the switching table is a rectangular platform, the waste liquid collecting tank 311 is disposed on one side of a central axis of the switching table, the plurality of waste liquid collecting tanks 311 are disposed on the other side of the same central axis of the switching table, the switching table is driven by a motor, and when the waste liquid collecting tank 311 needs to be used for collecting sample liquid and impurity removal reagents, the switching table is driven by the motor to switch the waste liquid collecting tank 311 to a position right below the extraction unit 2 for collecting the sample liquid and the impurity removal reagents; when the eluent collecting components 32 are required to collect the elution reagent, the switching table is driven by the motor to correspondingly switch the plurality of eluent collecting components 32 to the positions under the plurality of extraction columns 21 one by one so as to collect the elution reagent for eluting different extraction columns 21. The type of the eluent collecting component 32 is not limited, and preferably, in order to avoid cross contamination of eluents of different samples and meet the requirement of disposable use, in the present embodiment, a beaker is used as the eluent collecting component 32, the beaker is low in price and liquid is transferred conveniently and quickly, and the requirement of the separation and purification device on the eluent collecting component 32 is met.
Referring to fig. 2, the reagents used in the separation and purification process are all acidic reagents, and in order to prolong the service life of the separation and purification device, the separation and purification device needs to be designed to resist strong acid corrosion, in this embodiment, the liquid outlet pipe and the drainage sleeve in the reagent adding assembly are both made of polytetrafluoroethylene materials, and the separation and purification device in this embodiment further includes an isolation box 4, the isolation box 4 accommodates the sample adding unit 1, the extraction unit 2, the reagent adding unit, and the collection unit 3, the isolation box 4 is made of transparent PMMA (polymethyl methacrylate) materials, and on the basis of corrosion resistance, an operator can visually see the reaction process of separation and purification through the isolation box 4, so that the operator can monitor the reaction process of separation and purification. In the separation and purification device, parts in contact with liquid are all made of polytetrafluoroethylene or other high polymer materials, so that corrosion is avoided, and the service life of the separation and purification device is prolonged.
Preferably, in the separation and purification process, when the eluent elutes the extraction unit 2, it is required to ensure that the ambient temperature is not lower than 20 ℃, in order to meet the temperature condition, the separation and purification device in this embodiment is provided with an automatic temperature controller to ensure that the ambient temperature when the eluent elutes is not lower than 20 ℃.
In order to enable an operator to operate the separation and purification device more conveniently and intuitively, the separation and purification device in this embodiment is controlled by a PLC (programmable logic controller) system, specifically, the separation and purification device includes a touch display screen, the operator adjusts experimental parameters of the separation and purification process through the touch display screen, the experimental parameters include experimental parameters related to the separation and purification process, such as a sample leaching speed, a reagent addition amount, a reagent leaching speed, and the like, and preferably, the experimental parameters in this embodiment include pump parameters for controlling an injection pump and a peristaltic pump, and other parameters. And after the operator sets the relevant experimental parameters, starting the separation and purification device to perform separation and purification work.
Preferably, the PLC system in this embodiment includes two working modes, i.e., an automatic mode and a manual mode, and in the manual mode, an operator controls each step in the separation and purification process, wherein the operator can operate the peristaltic pump to reverse to return the liquid in the liquid outlet tube to the peristaltic pump, and through the above operations, after the separation and purification device completes the separation and purification work, the operator returns the liquid in the liquid outlet tube to the reagent storage component through the peristaltic pump, so as to prevent the acidic reagent in the liquid outlet tube from continuously corroding the liquid outlet tube after the separation and purification work is completed, thereby prolonging the service life of the liquid outlet tube; under the automatic mode, can start separation and purification device work after the setting of operating personnel parameter is accomplished, separation and purification device is automatic to begin to carry out separation and purification work, operating personnel wait to separate after purification work accomplish take away the eluant can, reduced operating personnel's work load.
The specific operation method of the separation and purification device in this embodiment is as follows: an operator manually arranges the elution collecting component on the switching table; an operator sucks different groups of sample liquid into the syringes, the syringes are sequentially placed on the sample rack, experimental parameters are set through the touch display screen, and the separation and purification device is started; the separation and purification device automatically executes separation and purification work; after the separation and purification work is finished, an operator takes out the elution and collection part and abandons the used injector, and the operator switches the manual mode to reverse the peristaltic pump and cleans other non-disposable parts.
By adopting the technical scheme, the utility model discloses a separation and purification device mainly has following technological effect: the automatic separation and purification device replaces manual separation and purification, so that the workload of operators is reduced; by arranging the plurality of reagent adding assemblies, the plurality of extraction columns, the plurality of reagent adding assemblies and the plurality of elution and collection components, the separation and purification device can simultaneously execute separation and purification work of a plurality of groups of sample liquid, so that the work efficiency of the separation and purification work is improved; the component in the separation and purification device, which is in direct contact with the reagent and/or the sample liquid, is made of corrosion-resistant and strong acid-resistant materials such as polytetrafluoroethylene or PMMA (polymethyl methacrylate), so that the service life of the separation and purification device is prolonged; each reagent in the reagent adding assembly uses different liquid outlet pipes, so that cross contamination among the reagents is avoided; set up sample respectively and add the part and reagent and add the subassembly, it is isolated with the sample interpolation passageway with reagent interpolation passageway, cross contamination between sample and the reagent has been avoided, simultaneously, sample interpolation part all adopts the disposable part of easily changing with elution collecting element, cross contamination between the further sample of having avoided, therefore improved separation and purification device's experimental precision, impurity is still less in the eluent that separation and purification device made, the higher eluent of quality is provided for subsequent electrodeposition system source and measurement work.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (13)
1. A separation and purification apparatus, comprising:
a sample addition unit (1), the sample addition unit (1) being configured to store a sample liquid and perform addition of the sample liquid;
an extraction unit (2), the extraction unit (2) being disposed downstream of the sample addition unit (1) in the flow direction of the sample liquid, the sample addition unit (1) rinsing the sample liquid on the extraction unit (2);
a reagent addition unit for adding a reagent to the extraction unit (2); and
a collection unit (3), the collection unit (3) being disposed downstream of the extraction unit (2) in the direction of flow of the sample liquid.
2. The separation and purification apparatus according to claim 1, wherein:
the sample addition unit (1) includes:
a plurality of sample addition means (11), the sample addition means (11) being for storing the sample liquid; and
a sample driving part (12), wherein the sample driving part (12) is connected with the plurality of sample adding parts (11) in a driving way, and can wash the sample liquid in the sample adding parts (11) in the extraction unit (2).
3. The separation and purification apparatus according to claim 2, wherein:
the extraction unit (2) comprises:
a plurality of extraction columns (21), the number of extraction columns (21) is the same as the number of sample addition components (11), and the plurality of extraction columns (21) are arranged at the downstream of the plurality of sample addition components (11) along the flow direction of the sample liquid in a one-to-one correspondence manner.
4. The separation and purification apparatus according to claim 3, wherein:
the extraction unit (2) further comprises a plurality of elution funnels (22), the number of the elution funnels (22) is the same as that of the extraction columns (21), and the plurality of elution funnels (22) are arranged at the end parts, adjacent to the sample adding parts (11), of the plurality of extraction columns (21) in a one-to-one correspondence manner.
5. The separation and purification apparatus according to claim 3, wherein:
the reagent addition unit includes:
the number of the reagent adding assemblies is the same as that of the extraction columns (21), and the reagent adding assemblies drip washing reagents on the extraction columns (21) in one-to-one correspondence; and
a fixing member (5), wherein the fixing member (5) fixes the reagent addition unit.
6. The separation and purification apparatus according to claim 5, wherein:
every reagent adds the subassembly and all includes the drainage sleeve pipe, be provided with many drain pipes in the drainage sleeve pipe, the reagent that flows in many drain pipes is different each other.
7. The separation and purification apparatus according to claim 6, wherein:
the drainage sleeves penetrate through the fixing part (5) and penetrate out of the fixing part (5), and liquid outlets of the liquid outlet pipes are aligned with the extraction unit (2).
8. The separation and purification apparatus according to any one of claims 3 to 6, wherein:
the reagent comprises:
an impurity removal reagent which removes impurities on the extraction unit (2); and
an elution reagent that elutes the target element on the extraction unit (2).
9. The separation and purification apparatus according to claim 8, wherein:
the collection unit (3) comprises:
a waste liquid collecting member (31), wherein the waste liquid collecting member (31) is used for collecting the sample liquid and the impurity removing reagent which are used for washing the extraction unit (2); and
a plurality of eluent collection components (32), the number of eluent collection components (32) is the same as the number of extraction columns (21), and the plurality of eluent collection components (32) are used for collecting the elution reagent for washing the extraction units (2) in a one-to-one correspondence manner.
10. The separation and purification apparatus according to claim 9, wherein:
the waste liquid collection member (31) includes:
a waste collection tank (311), the waste collection tank (311) being arranged below the extraction unit (2); and
a waste liquid collection tank connected to the waste liquid collection tank (311) for collecting the liquid collected by the waste liquid collection tank (311).
11. The separation and purification apparatus according to claim 9, wherein:
the collection unit (3) further comprises:
a switching stage on which the waste liquid collection member (31) and the plurality of eluent collection members (32) are both disposed, the switching stage switching the waste liquid collection member (31) and the plurality of eluent collection members (32) to operating positions, respectively.
12. The separation and purification apparatus according to claim 1, wherein:
the separation and purification device further comprises:
the isolation box (4), the sample adding unit (1), the extracting unit (2), the reagent adding unit and the collecting unit (3) are all arranged in the isolation box (4).
13. The separation and purification apparatus according to claim 1, wherein:
the separation and purification device further comprises:
a PLC system in communication connection with the sample addition unit (1), the extraction unit (2), the reagent addition unit and the collection unit (3).
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| CN201922395975.XU CN211652295U (en) | 2019-12-26 | 2019-12-26 | Separation and purification device |
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| CN110873661A (en) * | 2019-12-26 | 2020-03-10 | 中国原子能科学研究院 | Separation and purification device |
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| CN110873661A (en) * | 2019-12-26 | 2020-03-10 | 中国原子能科学研究院 | Separation and purification device |
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