CN218188945U - Automatic radionuclide separation device - Google Patents
Automatic radionuclide separation device Download PDFInfo
- Publication number
- CN218188945U CN218188945U CN202221796981.1U CN202221796981U CN218188945U CN 218188945 U CN218188945 U CN 218188945U CN 202221796981 U CN202221796981 U CN 202221796981U CN 218188945 U CN218188945 U CN 218188945U
- Authority
- CN
- China
- Prior art keywords
- storage container
- separation
- way valve
- execution unit
- radionuclide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The utility model discloses a radionuclide autosegregation device. The utility model discloses a device includes separation post, control valve, reagent storage container, separation waste liquid storage container and separation result holding vessel, including host computer, by host computer controlled the control unit and the execution unit who receives the control of control unit in the device, the execution unit by multi-way valve, the pump of multi-way valve control, sample storage container, reagent storage container, result holding vessel and waste liquid storage container to and the pipeline between intercommunication multi-way valve and pump and different storage container constitutes. The utility model discloses can carry out the separation of radionuclide automatically, the system is convenient for operate, easily control, can accurate reliable separation big batch sample, can realize operation steps such as each operation process, sample liquid appearance, leacheate drip washing, eluant elution of post separation process fast automatically.
Description
Technical Field
The utility model relates to an element separation device, in particular to a device capable of automatically separating radioactive nuclides.
Background
The nuclear energy is utilized with a lot of benefits, but the problem of radioactive pollution is also generated inevitably. And can cause serious radioactive pollution to the environment even in local areas. At present, most of the radioactive nuclides causing environmental pollution come from nuclear weapon tests in the atmosphere, various historical serious nuclear accidents and the emission of nuclear fuel post-processing plants. The nuclides involved in radioactive contamination are mainly 3 H、 14 C、 90 Sr、 99 Tc、 129 I、 137 Cs、 239 Pu、 240 Pu、 241 Pu、 241 Am, and the like. Effective measurement of environmental-polluting radionuclides is crucial to accurate nuclear authentication investigation of source ownership. Isotopic characteristics of particles are invaluable in determining the source of the particles, environmental migration, processing history, etc.
The separation of the radionuclides of major interest from the sample matrix and potential interferences is a key component of the radioactivity measurement, and the greatest limitation of the environmental low-level radionuclides during the radioactivity measurement is the long time required to obtain sufficient counts. In this regard, chemical separations are described as "inconvenient but indispensable" in Bickel M, holmes L, janzon C, et al. Radiochemistry: involved bit indenpensible [ J ]. Applied Radiation and Isotopes, 2000, 53 (1-2): 5-11. In non-radioactive measurements, the corresponding detection limits need to be met. Thus, in processing environmental samples, in most cases, pre-enrichment of target species in the sample matrix is required to achieve measurement requirements.
At present, the separation of the radionuclide from the sample is realized by combining the classical method with the modern instrument, and the operation is carried out on site by workers in the specific operation process, so that the radioactive damage can be caused.
Disclosure of Invention
The utility model provides a device which can overcome the defects of the prior art and can automatically separate nuclides.
The utility model discloses a radionuclide autosegregation device, including separation post, control valve, reagent storage container, separation waste liquid storage container and separation result collecting tank, including the host computer in the device, by the control unit of host computer control and the execution unit who receives the control of control unit, execution unit by multi-ported valve, pump, sample storage container, reagent storage container, result collecting tank and waste liquid storage container to and the pipeline between intercommunication multi-ported valve and pump and different storage container constitutes.
Preferably, the utility model discloses an execution unit among radionuclide autosegregation device is provided with two at least multi-way valves, and wherein each input of first multi-way valve communicates sample storage container and each reagent storage container respectively, and first multi-way valve output communicates with the input of separation column, and the output of separation column and the input intercommunication of second intercommunication valve, each output of second intercommunication valve communicate with result collection tank and waste liquid storage container respectively, realize the collection of the different components or the different samples of the same sample. The utility model discloses also can adopt two above multi-ported valves to advance the kind, set up the storage apparatus of corresponding quantity simultaneously to deal with the too much application of sample quantity. The control unit of the utility model is a single chip microcomputer, and the pump is an injection pump.
Preferably, the utility model discloses a radionuclide autosegregation device, its the control unit is for constituting by two singlechips, wherein: a control signal is sent between the upper computer and the execution unit through the first singlechip; and the running state of the separation process of the execution unit and the running state of each part of the execution unit are fed back through the second singlechip, and the used upper computer is a PC.
Preferably, the utility model discloses a be provided with the weeping sensor in radionuclide autosegregation device's the execution unit, be provided with level sensor in each storage container respectively.
Preferably, in any radionuclide automatic separation device of the present invention, an input end of the first multi-way valve is connected in series with an infusion tube, an infusion pump and a buffer container which are provided externally.
More preferably, the utility model discloses a radionuclide autosegregation device carries out real-time communication through the Modbus agreement between host computer and singlechip, and RS232 and RS458 agreement are adopted respectively in the communication between the control unit and host computer.
The utility model discloses a device can accomplish the sample separation operation automatically, can be simple, reliable, quick handle the sample, does not need personnel site operation moreover, consequently can greatly reduced intensity of labour to because with the sour minimum contact of corrosivity, thereby improved analyst's security greatly. The device of the utility model can continuously carry out sample in a long-term work plan (such as one night or several days), thereby improving the output and the analysis efficiency of the sample; in addition, by virtue of the advantages of the programmable flow analysis technology, the sample and reagent amount can be accurately controlled, and the consistency of analysis operation is improved.
Compared with the prior art, the utility model discloses a radionuclide autosegregation system has following advantage:
1. the system can automatically separate the radioactive nuclide, and reduces the contact of workers with radioactive elements and corrosive solution.
2. The utility model discloses can establish the efficient feedback mechanism, the system operation is stable, utilizes the private communication bus to host computer and each hardware connection. Unless the hardware of the equipment interface is damaged or the bus line is disconnected, the bus meter reading system can always keep good communication effect and reading success rate. The working state of the system and the equipment running condition can be simulated and monitored by utilizing the sensor data in real time through the communication bus.
3. The system is convenient to operate and easy to control, can accurately and reliably separate a large number of samples, and can quickly and automatically realize the operation steps of each operation process, sample liquid loading, leacheate leaching, eluent elution and the like in the column separation process.
4. Compared with other devices, the system establishes a set of unique upgrading mechanism, establishes a series of software and hardware interfaces to facilitate the connection with front-end and rear-end devices such as an automatic sampling device, detection equipment and the like, and provides a thought for realizing complete separation and detection automation. In particular, the interface can be matched with a radiation measuring instrument and mass spectrometry, and can be maximally applied to separation detection of the radionuclide.
Drawings
FIG. 1 is a schematic view of the basic structure of the present invention;
FIG. 2 is a schematic diagram of signal transmission between devices according to the present invention;
fig. 3 is a schematic view of the actuator of the present invention.
In the figure: the system comprises an upper computer 1, a first single chip microcomputer 2, an execution unit 3, a second single chip microcomputer 4, a buffer liquid storage pipe 5, a buffer liquid storage container 6, an infusion pump 7, a first multi-way valve 8, a sample storage container 9, a first reagent storage container and a second reagent storage container 10 and 12 respectively, a container 11 for storing water for cleaning a system, a separation column 13, a second multi-way valve 14, a waste liquid storage container 15, and a first product collection tank and a second product collection tank 16 and 17 respectively.
Detailed Description
The accompanying drawings illustrate an embodiment of the present invention and, together with the description, serve to explain the principles of the invention.
Referring to fig. 1, the utility model discloses a device comprises host computer 1, first singlechip 2, and actuating mechanism 3 and 4 second singlechips, is provided and passes down to singlechip 2 by host computer 1 the utility model discloses a control command passes control signal down to execution unit 3 through the second singlechip, and execution unit 3's different components are according to break-make, the liquid transmission operation that the instruction motion control multi-ported valve is different, if: and (4) switching on the multi-way valve, starting the injection pump to extract the solution from different reagent storage containers and sending the solution to the separation column, and sending the separated different liquid to the corresponding product collection tank through the second multi-way valve.
Referring to fig. 2, the utility model discloses an upper computer 1 with the 2 communications of first singlechip to through the operation of 2 control actuator of singlechip, detect the information feed-in host computer that obtains with each level sensor in the device and weeping sensor simultaneously.
The utility model discloses an upper computer can use any kind of computer, for example singlechip etc. nevertheless the utility model discloses the suggestion preferably adopts the PC to PC has obvious advantage as the upper computer.
The utility model discloses a carry out real-time communication through the Modbus agreement between host computer and singlechip, the communication adopts RS232 and RS458 agreement respectively between the control unit and host computer.
Referring to fig. 3, with the utility model discloses an actuating mechanism is through first multi-way valve 8 and intercommunication pipeline and separation column input and different reagent storage container intercommunication, and separation column output and different result collection tank are provided with the syringe pump through respective intercommunication pipeline intercommunication respectively in actuating mechanism, and the switching through the multi-way valve is associated with the transfer pump and is carried out liquid drive.
In addition, a liquid level sensor is provided in each of the container and the collection tank, and a leakage sensor is provided in the actuator. In the experiment, the problem that the actual volume and the theoretical volume are not proper during the operation is found to be caused by the dead volume of the device, so that the dead volume of the device can be corrected by the structure as a best embodiment of the utility model, wherein the input end is sequentially communicated with the buffer liquid storage pipe 5, the infusion pump 7 and the buffer liquid storage container 6. The embodiment of fig. 3 employs two product collection tanks, but more product collection tanks may be provided in a particular implementation to collect different separated products, depending on the requirements of the operation. The infusion pump used in the embodiment of the utility model is an injection pump.
The utility model discloses an upper computer is used for controlling the delivery order that liquid got into the separation post, and whole control process involves the position selection of multi-ported valve to and the syringe pump inhales and discharges. The real-time feedback is carried out through the transmitter and hardware, and the real-time feedback is transmitted to the upper computer end through a Modbus protocol to carry out feedback regulation.
The utility model discloses there are two kinds of modes of rectifying dead volume, manual mode and automatic mode promptly, wherein: 1) The automatic liquid level calibration method comprises a manual mode, wherein after a certain volume of liquid is sucked into a liquid storage tube by an infusion pump, 8 multi-way valves are switched to any port to be discharged, the actual volume is measured after the liquid is discharged, and the measured actual volume is input into an upper computer to carry out dead volume calibration 2).
The following is the utility model discloses separate the application example of Se in the follow environmental water sample:
calibration of device
The upper computer 1 gives a volume correction instruction and sends an execution instruction to the execution mechanism 3 through the first single chip microcomputer 2, the input end of a first communication multi-way valve 8 of the execution mechanism 3 is communicated with the liquid storage pipe 5, water in a buffer solution 6 storage container is sucked in through the liquid storage pipe 5 through the pump 7, the output position of the first multi-way valve 8 is selected to the end of the separation column, the water is delivered into the separation column 13 from the liquid storage pipe 5 through the injection pump 7, and the output position of a second multi-way valve 14 is selected to the output end of the separation column 13 to collect H with different volumes 2 O respectively enters a waste liquid storage container 15 and first and second product collecting tanks 16 and 17, and is removed from different liquid tanks 2 And O, placing the mass in an analytical balance to be weighed to obtain a real mass, inputting the real mass and the temperature into upper computer software, and automatically performing volume correction to overcome the dead volume of the device. The running condition of the device is fed back to the upper computer 1 through the second singlechip 4.
(II) separation work
The input end of the first multi-way valve 8 is selected to the sample storage container 9, the environment sample solution in the storage container 9 is sucked into the buffer liquid storage pipe 5 through the suction of the injection pump 7, the output position of the multi-way valve 8 is selected to the input end of the separation column 13, the environment sample is delivered into the input end of the separation column 13 from the liquid storage pipe through the discharge of the injection pump, the position of the first multi-way valve 8 is selected to the end of the third reagent storage container 12, in the embodiment, the third reagent storage container stores 0.05M HNO 3 Solution, 0.05M HNO by syringe pump 3 The solution is also sucked into the buffer liquid storage pipe 5, the position of the first multi-way valve 8 is selected to the end of the separation column, and 0.05M HNO is pumped by a syringe pump 3 The solution is delivered into the separation column from the reservoir, the input end of the second multi-way valve 14 is communicated with the output end of the separation column, and the output end of the second multi-way valve 14Selecting a position communicated with the waste liquid storage container 15 for waste liquid collection; after all the liquid in the separation column is discharged, selecting the position of the second multi-way valve 14 to the first product collecting tank 16 for collecting Se (IV) components; when the second multi-way valve has no more liquid flowing out, the position of the multi-way valve 8 is selected to another one with 5M HNO 3 The reagent storage container 10 end of the solution is filled with 5M HNO by a syringe pump 7 3 The solution is sucked into a liquid storage pipe, the position of a first multi-way valve 8 is selected to the input end of a separation column 13, a 5M HNO3 solution is delivered into the separation column from the liquid storage pipe through a syringe pump 7, and the output end of a second multi-way valve 14 is selected to be communicated with a second product collecting tank 17 for Se (VI) component collection.
The utility model discloses during the device operation, level sensor and weeping sensor in good time with information transfer host computer, upload operation information such as device running state, fault information and circuit break-make simultaneously at any time, supply operating personnel to know the working condition of device to in time carry out in good time reply and handle.
From the utility model discloses an it is visible in the operation:
1. the feedback adjustment has the advantages that:
the liquid level sensor is adopted to feed back the state of the equipment in real time, so that the waste of samples and reagents, pipeline corrosion or expansion leakage caused by the blockage of a separation column in the column separation process can be effectively avoided; an alarm mechanism with a liquid leakage sensor as a main part is established, so that a circuit can be closed at the first time of liquid leakage, the corrosion of equipment is reduced, and the stable operation of the separation process is ensured.
2. Separation advantages:
the automation level is high, and the whole process from sample loading to component collection can be automatically finished only by putting corresponding solution; the flow rate is adjusted accurately, the liquid flow rate can be adjusted within the range from 0.01ml/min to 100ml/min, the liquid volume is more accurate, the separation effect is more reliable, the separation advantage of large-volume sample loading is achieved, and the interference of human factors in the chemical separation process in the radioactive analysis is solved at one stroke.
3. Upgrading advantages:
the flow paths of all parts can be adjusted by modifying the number of software and hardware of the upper computer so as to adapt to the separation requirements (such as serial connection of separation columns) of all samples.
Claims (6)
1. The utility model provides a radionuclide autosegregation device, includes separation post, control valve, reagent storage container, separation waste liquid storage container and separation liquid storage container, its characterized in that device includes the host computer, by host computer controlled the control unit and the execution unit who receives the control of control unit, execution unit constitute by multi-way valve, pump, sample storage container, reagent storage container, result collection tank and waste liquid storage container to and the pipeline that communicates between multi-way valve and pump and different storage containers.
2. The radionuclide automatic separation device according to claim 1, characterized in that the execution unit of the device is provided with at least two multi-way valves, wherein each input end of the first multi-way valve is respectively communicated with the sample storage container and each reagent storage container, the output end of the first multi-way valve is communicated with the input end of the separation column, the output end of the separation column is communicated with the input end of the second communication valve, each output end of the second communication valve is respectively communicated with the product collection tank and the waste liquid storage container, the control unit is a single chip microcomputer, and the pump is an injection pump.
3. The radionuclide automatic separation device according to claim 2, characterized in that the control unit in the device is composed of two single-chip microcomputers, wherein: a control signal is sent between the upper computer and the execution unit through the first singlechip; and the running state of the separation process of the execution unit and the running state of each part of the execution unit are fed back through the second singlechip, and the used upper computer is a PC.
4. The automated radionuclide separation device according to claim 3, characterized in that a leakage sensor is provided in the execution unit of the device, and a liquid level sensor is provided in each of the storage container and the collection tank.
5. The radionuclide automatic separation device according to claim 1, 2, 3 or 4, characterized in that an input end of the first multi-way valve is connected in series with an externally arranged infusion tube, infusion pump and buffer container.
6. The automatic radionuclide separation device according to claim 5, characterized in that the upper computer communicates with the single chip microcomputer in real time by means of Modbus protocol, and the control unit communicates with the upper computer by means of RS232 and RS458 protocols, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221796981.1U CN218188945U (en) | 2022-07-13 | 2022-07-13 | Automatic radionuclide separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221796981.1U CN218188945U (en) | 2022-07-13 | 2022-07-13 | Automatic radionuclide separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218188945U true CN218188945U (en) | 2023-01-03 |
Family
ID=84650191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221796981.1U Active CN218188945U (en) | 2022-07-13 | 2022-07-13 | Automatic radionuclide separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218188945U (en) |
-
2022
- 2022-07-13 CN CN202221796981.1U patent/CN218188945U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103267795B (en) | On-line monitoring analyzer for fluorinion in water and detection method thereof | |
| CN104007239B (en) | A kind of high concentration ion automatic on-line detecting system and method | |
| CN105388309A (en) | Automatic and rapid detection method and system for trace iron ions in power plant water vapor and application | |
| CN105319205B (en) | The automatic rapid detection method of chloride ion and system and application in a kind of Power Plant Water Vapor | |
| KR20170127234A (en) | Automated concentrator for large volume of sample | |
| Zoriy et al. | Development of a relatively cheap and simple automated separation system for a routine separation procedure based on extraction chromatography | |
| CN218188945U (en) | Automatic radionuclide separation device | |
| CN205080143U (en) | Automatic quick detecting system of trace iron ion in power plant's steam | |
| CN112505013B (en) | Aquatic uranium on-line analyzer based on fluorescence method | |
| CN202330373U (en) | Automatic dilution device for ion chromatography solution | |
| CN115212723A (en) | Automatic radionuclide separation device | |
| CN102980789B (en) | Water petroleum pollutant on-line enrichment device | |
| CN214668982U (en) | Full-automatic verification quality control device of online monitoring instrument | |
| CN212904728U (en) | On-line full-automatic titration analysis system | |
| CN107589101A (en) | Online oil-polluted water detection means based on ultraviolet fluorescence method | |
| KR20050090199A (en) | Automatic radionuclide separation system and automatic purification method of plutonium (pu) using this system | |
| CN110715882B (en) | Proportioning device for determining dilution ratio of ferrographic experiment based on oil granularity | |
| CN221056337U (en) | Primary loop water online inductively coupled plasma spectrum monitoring system | |
| CN112611603A (en) | Nuclide liquid transfer robot and nuclide liquid transfer preparation method | |
| CN209640139U (en) | A kind of unattended environment-friendly type insolubles content measurement device | |
| Egorov et al. | Automated radioanalytical system incorporating microwave-assisted sample preparation, chemical separation, and online radiometric detection for the monitoring of total 99Tc in nuclear waste processing streams | |
| TW201307839A (en) | Automatic acid rain sampling and analysis system | |
| CN211122843U (en) | Miniature water quality measuring instrument | |
| CN105588887B (en) | Chloride test working solution and detection method and application in Power Plant Water Vapor | |
| CN217846079U (en) | Device for continuously detecting uranium content in wastewater on line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |