CN115791513A - Online L limit densimeter - Google Patents
Online L limit densimeter Download PDFInfo
- Publication number
- CN115791513A CN115791513A CN202211546414.5A CN202211546414A CN115791513A CN 115791513 A CN115791513 A CN 115791513A CN 202211546414 A CN202211546414 A CN 202211546414A CN 115791513 A CN115791513 A CN 115791513A
- Authority
- CN
- China
- Prior art keywords
- edge
- line
- measured
- densitometer
- measuring
- 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.)
- Pending
Links
Images
Landscapes
- Measurement Of Radiation (AREA)
Abstract
The invention relates to an on-line L-edge densimeter, which comprises an analysis control system, an L-edge densimeter and a measuring pool, wherein two ends of the measuring pool are connected with ports of a circulating pipeline so as to enable liquid to be measured to flow through the measuring pool; the center point of a light source light outlet of the L-edge densitometer and the center point of a detector probe are on the same straight line, two concentric light-transmitting holes are arranged in front of the light source light outlet and the detector probe, a measuring cell is arranged in the middle of the light source light outlet and the detector probe, and the centers of the two light-transmitting holes and the center of the measuring cell are on the same line, so that a signal emitted by a light source of the L-edge densitometer can penetrate through liquid to be measured in the measuring cell and is received by the detector; the analysis control system calculates the measurement results from the received signals. By adopting the device disclosed by the invention, extra sampling is not needed, the concentration of the element to be measured in the process operation can be monitored in real time, the process operation condition is reflected, the stable operation of the process is guaranteed, the measurement process does not need to be attended by personnel, and the irradiation of the radioactive liquid to be measured to operators is reduced.
Description
Technical Field
The invention belongs to the field of measurement and analysis, and particularly relates to an online L-edge densimeter.
Background
The L-edge densitometer is an analytical instrument commonly used in uranium purification and plutonium purification process points in reprocessing, and was used in the alamus laboratories, savanay river reprocessing plants to analyze uranium plutonium concentrations at the end of the last 70 th century. China has developed an off-line type L-edge densimeter and has good application effect when applied.
However, the uranium purification and plutonium purification process has a large number of samples, sampling and analysis require a large amount of manpower, a large amount of waste is generated, the samples with strong radioactivity are sent by mistake, unnecessary irradiation is caused to people, the analysis result has certain hysteresis, and the process running condition cannot be fed back in real time, so that the process running condition cannot be effectively controlled.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an online L-edge densimeter, which can realize online measurement of the wet smelting process of lanthanide, actinide and precious metal elements, monitor the concentration of the elements to be measured in the process operation in real time, reflect the process operation condition in real time and provide guarantee for the stable operation of the process.
In order to achieve the above purposes, the invention adopts the technical scheme that: an on-line L-edge densimeter comprises an analysis control system, an L-edge densimeter and a measuring pool, wherein two ends of the measuring pool are connected with ports of a circulating pipeline so as to enable liquid to be measured to flow through the measuring pool; the center point of a light source light outlet of the L-edge densitometer and the center point of a detector probe are on the same straight line, a light transmission hole is respectively arranged in front of the light source light outlet and the detector probe, the two light transmission holes are concentric, a measuring position is arranged in the middle of the light source light outlet and the detector probe, the measuring cell is arranged at the measuring position, and the centers of the two light transmission holes and the measuring cell are on the same line, so that a signal emitted by a light source of the L-edge densitometer can penetrate through liquid to be measured in the measuring cell and is received by the detector; and the signal received by the detector is transmitted to an analysis control system, and a measurement result is calculated through a built-in model of the analysis control system.
Further, a degassing device is arranged at the inflow section of the pipeline.
Further, the L-edge densimeter is installed on the main pipeline.
Further, the L-edge densimeter is installed on the branch pipeline.
And further, the liquid to be measured is regulated and controlled to flow from the main pipeline to the branch pipeline through a valve.
Further, the device comprises shielding protection equipment arranged on the outer side of the pipeline.
Further, the shielding facility includes a glove box and a niche.
Further, the L-edge densitometer is installed in the niche.
Further, the L-edge densitometer is mounted in a glove box.
Further, the L-edge densimeter is used for measuring the concentration of the element to be measured in the liquid to be measured.
The invention has the beneficial technical effects that: by adopting the online L-edge densimeter disclosed by the invention, extra sampling is not needed, the liquid to be measured in a process operation pipeline can be directly measured, the content change of the element to be measured in the liquid to be measured is monitored in real time, the process operation condition is directly reflected, and the stable operation of the process is guaranteed; no waste is generated in the measuring process, so that a large amount of materials are saved; the automatic radiation detector can automatically complete measurement, does not need to be attended by personnel, does not need manual intervention in a normal state, greatly saves labor force, and reduces the radiation dose of operators for radioactive samples.
Drawings
FIG. 1 is a schematic structural diagram of a first in-line L-edge densitometer shown in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second in-line L-edge densitometer shown in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a third in-line L-edge densitometer shown in an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a fourth in-line L-edge densitometer shown in an embodiment of the present invention;
wherein: 1-L edge densimeter, 2-main pipeline, 3-measuring pool, 4-degassing device, 5-valve, 6-branch pipeline, 7-niche and 8-glove box.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Example one
As shown in fig. 1, an on-line L-edge densitometer according to an embodiment of the present invention includes an analysis control system, an L-edge densitometer 1, and a measuring cell 3, where the measuring cell 3 is disposed in a main pipeline 2, so that a liquid to be measured flows through the measuring cell 3.
The light source light outlet central point and the detector probe central point of L limit densimeter 1 respectively set up a light trap before light source light outlet and detector probe on same straight line, and two light traps set up with one heart, set up the measurement position at light source light outlet and detector probe intermediate position, and measurement cell 3 arranges the measurement position in, and two light trap centers are collinear with measurement cell 3 centers to the signal that makes the light source transmission of L limit densimeter 1 can see through the liquid that awaits measuring in the measurement cell 3, and quilt the detector is received.
The L-edge densimeter 1 is used for measuring the concentration of the element to be measured in the liquid to be measured.
The analysis control system comprises a terminal device and analysis control software installed in the terminal device, in an optional implementation mode, the terminal device is a computer or a tablet computer or the like, and the analysis control software is installed in the terminal device and used for controlling an instrument to measure and automatically analyzing a measurement result.
The online L-edge densimeter realizes online measurement by real-time sample feeding according to a pipeline, calculates the concentration of the liquid to be measured according to a measurement signal, and needs to install a degassing device 4 at the inflow section of the pipeline if no bubble exists in the measurement pool.
As shown in fig. 1, for a liquid to be measured with a general liquid flow rate, online measurement can be achieved by mounting an L-side densitometer on a main pipeline 2.
As shown in fig. 2, for the liquid to be measured with a high liquid flow rate, in order to avoid that the flow rate of the liquid to be measured is too high and the sampling is not stable, which affects the measurement accuracy of the on-line L-edge density measuring device, the L-edge density meter is installed on the branch pipeline 6 for measurement.
For the situation that the L-edge densimeter 1 is installed on the branch pipeline 6 for measurement, the valve 5 regulates and controls the liquid to be measured to flow to the branch pipeline, the degassing device 4 enables the measuring pool 3 to be filled with a liquid sample to be measured without bubbles in real time, the L-edge densimeter 1 is started for measurement, the measurement result is automatically given, and the person is not required to be on duty.
For radioactive liquid to be measured or toxic liquid to be measured, the online L-edge density metering device further comprises shielding and protecting equipment arranged outside the pipeline, and the shielding and protecting equipment comprises shielding and protecting equipment such as a glove box and a niche.
As shown in fig. 3, for a highly radioactive liquid to be measured, the L-edge densitometer 1 is installed in the niche 7 to isolate and shield the radioactive liquid from radiation to the L-edge densitometer 1 and workers.
As shown in fig. 4, for the liquid to be measured with low radioactivity, the L-edge densitometer 1 is installed in the glove box 8 for isolation and shielding to prevent it from causing radiation to the staff.
According to the embodiment, the device comprises an analysis control system, the L-edge densimeter and a measuring pool, wherein two ends of the measuring pool are connected with the port of the circulation pipeline so that liquid to be measured flows through the measuring pool; the center point of a light source light outlet of the L-edge densitometer and the center point of a detector probe are on the same straight line, two concentric light transmission holes are respectively arranged in front of the light source light outlet and the detector probe, a measuring position is arranged in the middle of the light source light outlet and the detector probe, the measuring cell is arranged at the measuring position, and the centers of the two light transmission holes and the center of the measuring cell are on the same line, so that a signal emitted by the light source of the L-edge densitometer can penetrate through liquid to be measured in the measuring cell and is received by the detector; the received signals are transmitted to an analysis control system, a measurement result is given through a built-in model of the analysis control system, and the analysis result is stored in a local PC (personal computer) or can be uploaded to a central control machine. By adopting the device disclosed by the invention, extra sampling is not needed, the concentration of the element to be measured in the process operation can be monitored in real time, the process operation condition can be reflected in real time, the stable operation of the process is guaranteed, the measurement process is carried out without the need of personnel on duty, the labor force is saved, and the irradiation dose of the radioactive liquid to be measured to operators is reduced.
The device according to the present invention is not limited to the embodiments described in the specific embodiments, and those skilled in the art can derive other embodiments according to the technical solutions of the present invention, and also belong to the technical innovation scope of the present invention.
Claims (10)
1. The utility model provides an online L limit densimeter which characterized in that: the device comprises an analysis control system, an L-edge densimeter and a measuring pool, wherein two ends of the measuring pool are connected with the port of a circulation pipeline so as to enable liquid to be measured to flow through the measuring pool; the center point of a light source light outlet of the L-edge densitometer and the center point of a detector probe are on the same straight line, a light transmission hole is respectively arranged in front of the light source light outlet and the detector probe, the two light transmission holes are concentric, a measuring position is arranged in the middle of the light source light outlet and the detector probe, the measuring cell is arranged at the measuring position, and the centers of the two light transmission holes are on the same line with the center of the measuring cell, so that a signal emitted by a light source of the L-edge densitometer can penetrate through liquid to be measured in the measuring cell and is received by the detector; and the signal received by the detector is transmitted to an analysis control system, and a measurement result is calculated through a built-in model of the analysis control system.
2. An on-line L-edge densitometer as in claim 1, wherein: and a degassing device is arranged at the inflow section of the pipeline.
3. An on-line L-edge densitometer as in claim 1, wherein: the L-edge densimeter is installed on the main pipeline.
4. An on-line L-edge densitometer as in claim 1, wherein: the L-edge densimeter is installed on the branch pipeline.
5. An on-line L-edge densitometer as in claim 4, wherein: and controlling the liquid to be measured to flow from the main pipeline to the branch pipeline through valve regulation.
6. The on-line L-edge densitometer of claim 1, wherein: the device comprises shielding protection equipment arranged on the outer side of the pipeline.
7. An on-line L-edge densitometer as in claim 6, wherein: the shielding facility includes a glove box and a niche.
8. An on-line L-edge densitometer as in claim 7, wherein: the L-edge densitometer is installed in the niche.
9. An on-line L-edge densitometer as in claim 7, wherein: the L-edge densitometer was mounted in a glove box.
10. An on-line L-edge densitometer as in claim 1, wherein: the L-edge densimeter is used for measuring the concentration of the element to be measured in the liquid to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211546414.5A CN115791513A (en) | 2022-12-05 | 2022-12-05 | Online L limit densimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211546414.5A CN115791513A (en) | 2022-12-05 | 2022-12-05 | Online L limit densimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115791513A true CN115791513A (en) | 2023-03-14 |
Family
ID=85445483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211546414.5A Pending CN115791513A (en) | 2022-12-05 | 2022-12-05 | Online L limit densimeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115791513A (en) |
-
2022
- 2022-12-05 CN CN202211546414.5A patent/CN115791513A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101285479B1 (en) | Steam generator tube on-line leak monitoring and methodology by using ion chromatography in pwr | |
| US4107533A (en) | Apparatus for measuring a concentration of radioactivity | |
| CN106990124A (en) | The on-line measurement device and measuring method of uranium content in a kind of uranium-bearing liquid | |
| CN115791513A (en) | Online L limit densimeter | |
| Casella et al. | MicroRaman measurements for nuclear fuel reprocessing applications | |
| CN2890913Y (en) | Field online water quality and poison detector | |
| JPH0296696A (en) | Method and device for measuring lithium concentration of primary cooling circuit for nuclear reactor | |
| CN217359845U (en) | Intelligent online monitoring device for nuclear power plant water chemistry | |
| CN113552609B (en) | Multi-range tritium concentration online measurement signal processing system | |
| CN202041501U (en) | Electroplating liquid analyzer | |
| KR100952130B1 (en) | Radioactive crud sampling system by using capillary sampler | |
| CN107589101A (en) | Online oil-polluted water detection means based on ultraviolet fluorescence method | |
| JP2763275B2 (en) | Automatic chlorine ion analyzer | |
| CN207408304U (en) | Online oily wastewater detection device based on ultraviolet fluorescence method | |
| JPH0414318B2 (en) | ||
| KR200262106Y1 (en) | Automatic collecting apparatus of radioactive CRUD | |
| CN214373776U (en) | Water sample diluting device for online chemical instrument | |
| Shank et al. | Facilities and Techniques for Analysis of Highly Radioactive Samples | |
| CN2482693Y (en) | Crude oil gathering and transportation metering on-line automatic sampling apparatus | |
| CN213842721U (en) | Sampling device for zinc concentration in primary loop coolant of nuclear facility | |
| CN205015331U (en) | Quality of water heavy metal on -line monitoring instrument based on thing networking | |
| CN208736702U (en) | A kind of measuring device of online chloride ion content | |
| CN112986481B (en) | Method and equipment for measuring boron content in nuclear power station loop | |
| CN212391395U (en) | Dissolved oxygen sampling and analyzing device of loop water sampling system | |
| CN212083682U (en) | Acid-proof I-129 radiation monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |