CN110096082A - A kind of iodine environment simulator - Google Patents
A kind of iodine environment simulator Download PDFInfo
- Publication number
- CN110096082A CN110096082A CN201810095593.2A CN201810095593A CN110096082A CN 110096082 A CN110096082 A CN 110096082A CN 201810095593 A CN201810095593 A CN 201810095593A CN 110096082 A CN110096082 A CN 110096082A
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- humidity
- temperature
- gas
- iodine
- simulated environment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Abstract
The invention discloses a kind of iodine environment simulators, it is related to radioiodine environment simulation technique field comprising have air supply system, humidity generating system, radioiodine injected system, simulated environment system, temperature control system, humidity control system, moisture monitoring system, radioiodine injected system, simulated environment system, temperature control system, humidity control system, pressure regulating system, simulation gas application system and exhaust treatment system；Gas for generating high pressure, high humility atmosphere are injected separately into simulated environment system by using air supply system, humidity generating system and radioiodine injected system and for providing radioactivity methyl iodide gas, simulate environmental simulation of the nuclear power station in the case where loss of-coolant accident (LOCA) occurring and high temperature and pressure super-humid conditions when steam line break accident, and the humidity control system by being provided with, temperature control system and pressure regulating system adjust humidity, temperature and the range of pressure values in simulated environment system.
Description
Technical field
The present invention relates to radioiodine environment simulation technique fields, and in particular to one under high temperature and pressure high humidity
Kind iodine environment simulator.
Background technique
It is extensive with China's nuclear energy, environmental protection and the fast development of space industry, radiation and isotope technology
It is constantly progressive using, the implementation of early stage military project Nuclear installation decommissioning project and International Radiation Protection research with what is practiced, this is to me
More stringent requirements are proposed for the radiation protection work of state and accident conditions simulation.Power station nuclear accident may cause a large amount of radioiodines
Discharge, radioiodine is one of the index parameter for measuring power station severity of injuries, at the same be also the mankind are generated it is very big
One of radionuclide of harm.
Fukushima, Japan accident has confirmed the necessity of the simulation of nuclear accident work condition environment and coherent detection, early warning,
Also the urgency that radiation protection is studied in the case of having warned us to reinforce nuclear accident.Wherein it is especially prominent be nuclear accident in the case of
Radioactive substance leaks environmental simulation, monitoring, and instant monitoring can mention for the anticipation of power station risk, control response and accident decision
For extremely necessary and valuable real time information and judgment basis.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of structures, and simple, the operation is stable can
It leans on and can be in the iodine environment simulator of high temperature and pressure high humidity Imitating radioiodine environment.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of iodine environment simulator, the iodine environment simulator includes:
Air supply system；
Humidity generating system；
Radioiodine injected system；
Simulated environment system, wherein the air supply system, humidity generating system and radioiodine injected system respectively with institute
Simulated environment system is stated to be connected；
Temperature control system, wherein the temperature control system is connected with the simulated environment system, it is described for controlling
Temperature change in simulated environment system；
Humidity control system, wherein the humidity control system is connected with the simulated environment system, it is described for controlling
Humidity variation in simulated environment system；
Moisture monitoring system, wherein the moisture monitoring system is connected with the simulated environment system, it is described for detecting
Humidity parameter in simulated environment system；
Pressure regulating system, wherein the pressure regulating system is connected with the simulated environment system, it is described for detecting
Pressure parameter in simulated environment system；
Simulation gas application system is used for wherein the simulation gas application system is connected with the simulated environment system
Simulate iodine adsorber availability and efficiency analysis research, nuclear power plant accident early warning and on-line monitoring research under nuclear power plant accident operating condition
And nuclear power plant accident severity and progress assessment；
And exhaust treatment system, wherein the exhaust treatment system is adjusted with the moisture monitoring system, pressure respectively
System, simulation gas application system and simulated environment system are connected, and discharge for exhaust gas.
Further, the humidity generating system can be used by way of lean supply liquid and high-efficient gasification or pass through steaming
One of vapour generator, steam-water separator mode is realized.
Further, the air supply system be by the drying device that is disposed with, filter plant, volume control device,
Heating equipment provides the clean gas of a certain temperature and pressure.
Further, the radioiodine injected system is the radiation that can be realized by using mass flowmenter in simulated environment
Property concentration control, instantaneous relase or can be continuously injected into reaching radioactivity methyl iodide gas.
Further, the temperature control system is that can be matched by one or more modes such as oil temperature, electric heating, heat-barrier material
It closes and realizes single temperature control or multiple temperature control to realize being precisely controlled for temperature.
Further, the humidity control system is the control that humidity is realized by temperature-adjusting and humidity-adjusting device, wherein temperature adjustment tune
Wet device can realize humidity regulation by liquid in regulating device under certain temperature and pressure and by heating and condensation.
Further, the temperature-adjusting and humidity-adjusting device can also inject certain temperature into the simulated environment system by quantitative
Transient liquid vaporize to realize humidity regulation.
Further, the moisture monitoring system is to be calculated by quantitative gas condensation, electronic-weighing and data conversion
Or pass through specific discharge gas after quantitative constant-temperature clean gas hybrid cooling wet down through high-accuracy dew point meter monitoring and data
Convert the humidity value being calculated in the simulated environment system.
Further, the pressure regulating system is by being injected using buffer unit, quantitative injection and drain tap
Gas in certain temperature, the gas of pressure or the discharge simulated environment system realizes that pressure is adjusted.
Further, the exhaust treatment system be by the iodine adsorbent equipment that is provided with, gas through dilution cooling, wet down,
Safety dumping after removal radioiodine.
Compared with prior art, the advantageous effects that this programme has are as follows: be by using air supply system, humidity
System and radioiodine injected system be injected separately into simulated environment system gas for generating high pressure, high humility atmosphere with
And for providing radioactivity methyl iodide gas, to simulate nuclear power station when loss of-coolant accident (LOCA) and steam line break accident occurs
High temperature and pressure super-humid conditions under environmental simulation, and by the humidity control system that is provided with, temperature control system and
Pressure regulating system adjusts humidity, temperature and the range of pressure values in simulated environment system, furthermore the mould by being provided with
Quasi- gas application system is studied to simulate the availability of iodine adsorber and efficiency analysis under nuclear power plant accident operating condition, nuclear power station
Accident early warning and on-line monitoring research, nuclear power plant accident severity and progress assessment analysis；It is useless finally by what is be provided with
Gas processing system handles the generated radiological hazard gas in simulation process.
Detailed description of the invention
Fig. 1 is the working principle of the invention frame structure schematic diagram.
Description of symbols in figure:
1- air supply system, 2- humidity generating system, 3- radioiodine injected system, 4- temperature control system, 5- analog loop
Border system, 6- humidity control system, 7- moisture monitoring system, 8- pressure regulating system, 9- simulate gas application system, and 10- is useless
Gas processing system.
Specific embodiment
The present invention is described in further detail with specific embodiment with reference to the accompanying drawings of the specification.
Shown in referring to Fig.1, the present embodiment provides a kind of iodine environment simulator, which includes gas supply
System 1, humidity generating system 2, radioiodine injected system 3, simulated environment system 5, temperature control system 4, humidity regulation system
System 6, moisture monitoring system 7, pressure regulating system 8, simulation gas application system 9 and exhaust treatment system 10.Air supply system
1, humidity generating system 2 and radioiodine injected system 3 are connected with simulated environment system 5 respectively, to being applied to simulated environment
Feeding in system 5 has radioactive methyl for generating the gas of high pressure, the gas for generating certain humidity and providing
So as to generate simulation nuclear power station in simulated environment system 5 loss of-coolant accident (LOCA) and steam line break thing are occurring for iodine gas
Therefore the high temperature and pressure high humidity in situation.It is adjusted simultaneously using moisture monitoring system 7, temperature control system 4 and pressure
System 8 adjusts humidity, temperature and the range of pressure values in simulated environment system 5.For the tail generated in the whole process
Gas can use exhaust treatment system and be handled.It remarks additionally herein, above-mentioned simulated environment system is exactly one thermally conductive
It is functional, bright and clean, corrosion-resistant, through surface hydrophobicity processing the closing pressure hull of inner surface.And simulation application system is one
The gas supply end of various connectors is provided, it is some that port connects simulated environment gas monitor apparatus, adsorbing medium detection device etc.
Gas application class equipment is simulated, and the gas after using is discharged into exhaust treatment system by end interface connection.
In real work, air supply system 1 is the drying device, filter plant, flow control by being disposed with
Device processed, heating equipment provide the clean gas of a certain temperature and pressure.Humidity generating system 2, which can be used, passes through lean supply
Liquid and the mode of high-efficient gasification are realized by one of steam generator, steam-water separator mode.Radioiodine note
Entering system 3 is that can realize that the radioactive concentration in simulated environment is controlled by using mass flowmenter, to reach radioactivity methyl
Iodine gas instantaneous relase or can be continuously injected into.Temperature control system 4 be can it is a kind of by oil temperature, electric heating, heat-barrier material etc. or
Various ways cooperation realizes single temperature control or multiple temperature control to realize being precisely controlled for temperature.Humidity control system 6 is to pass through tune
Warm humidity control device realizes the control of humidity, and wherein temperature-adjusting and humidity-adjusting device can pass through liquid in regulating device under certain temperature and pressure
Body simultaneously realizes humidity regulation by heating and condensation.Temperature-adjusting and humidity-adjusting device can also be by quantitative to the simulated environment system 5
The transient liquid of middle injection certain temperature vaporizes to realize humidity regulation.Moisture monitoring system 7 is by quantitative gas condensation, electricity
Son weighing and data conversion are calculated or are passed through after quantitative constant-temperature clean gas hybrid cooling wet down by specific discharge gas
The humidity value in the simulated environment system 5 is calculated in high-accuracy dew point meter monitoring and data conversion.Pressure regulating system 8
For by injecting or being discharged the gas in the simulated environment system 5 using buffer unit, quantitative injection and drain tap
To realize that pressure is adjusted.Exhaust treatment system 10 is the iodine adsorbent equipment by being provided with, after Dilution air cooling, wet down
Gas is carrying out safety dumping after removing radioiodine.
In actual work, it is first determined simulation operating condition technological parameter；Then simulator temperature controller system is opened,
Numerical value needed for adjusting temperature to simulated environment；Followed by air supply system 1 is opened, clean gas is determined according to simulation operating condition technological parameter
The flow of body, pressure, set temperature；Then humidity generating system 2 is opened, the stream of steam is determined according to simulation operating condition technological parameter
Amount, pressure, temperature；Later on moisture monitoring system 7, real-time monitoring simulated environment humidity parameter；And then humidity tune is opened
Section system 6 accurately adjusts simulation operating condition humidity parameter according to 7 feedback data of moisture monitoring system；Later on pressure adjusts system
System 8, synchronous coordination simulate working condition pressure and temperature and humidity parameter；Then exhaust treatment system 10 is opened；Later on radioiodine
Injected system 3 requires instantaneous or is continuously injected into required activity radioactivity methyl iodide according to simulation；Needed for last simulated environment reaches
Simulation gas application system 9 is opened after technological parameter, carries out related experiment and application.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technology
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of iodine environment simulator, which is characterized in that the iodine environment simulator includes:
Air supply system；
Humidity generating system；
Radioiodine injected system；
Simulated environment system, wherein the air supply system, humidity generating system and radioiodine injected system respectively with the mould
Quasi- environmental system is connected；
Temperature control system, wherein the temperature control system is connected with the simulated environment system, for controlling the simulation
Temperature change in environmental system；
Humidity control system, wherein the humidity control system is connected with the simulated environment system, for controlling the simulation
Humidity variation in environmental system；
Moisture monitoring system, wherein the moisture monitoring system is connected with the simulated environment system, for detecting the simulation
Humidity parameter in environmental system；
Pressure regulating system, wherein the pressure regulating system is connected with the simulated environment system, for detecting the simulation
Pressure parameter in environmental system；
Gas application system is simulated, wherein the simulation gas application system is connected with the simulated environment system, for simulating
Under nuclear power plant accident operating condition iodine adsorber availability and efficiency analysis research, nuclear power plant accident early warning and on-line monitoring research and
Nuclear power plant accident severity and progress assessment；
And exhaust treatment system, wherein the exhaust treatment system respectively with the moisture monitoring system, pressure regulating system,
It simulates gas application system and simulated environment system is connected, discharged for exhaust gas.
2. a kind of iodine environment simulator according to claim 1, it is characterised in that: the humidity generating system can be used
Come real by way of lean supply liquid and high-efficient gasification or through one of steam generator, steam-water separator mode
It is existing.
3. a kind of iodine environment simulator according to claim 1, it is characterised in that: the air supply system is by successively
The drying device that is provided with, filter plant, volume control device, heating equipment provide the clean gas of a certain temperature and pressure
Body.
4. a kind of iodine environment simulator according to claim 1, it is characterised in that: the radioiodine injected system is
It can realize that the radioactive concentration in simulated environment is controlled by using mass flowmenter, it can wink to reach radioactivity methyl iodide gas
When discharge or be continuously injected into.
5. a kind of iodine environment simulator according to claim 1, it is characterised in that: the temperature control system is that can lead to
Crossing one or more modes such as oil temperature, electric heating, heat-barrier material cooperates the single temperature control of realization or multiple temperature control to realize temperature
It is precisely controlled.
6. a kind of iodine environment simulator according to claim 1, it is characterised in that: the humidity control system is to pass through
Temperature-adjusting and humidity-adjusting device realizes the control of humidity, and wherein temperature-adjusting and humidity-adjusting device can be by regulating device under certain temperature and pressure
Liquid simultaneously realizes humidity regulation by heating and condensation.
7. a kind of iodine environment simulator according to claim 6, it is characterised in that: the temperature-adjusting and humidity-adjusting device can also be with
Humidity regulation is realized by the quantitative transient liquid vaporization for injecting certain temperature into the simulated environment system.
8. a kind of iodine environment simulator according to claim 1, it is characterised in that: the moisture monitoring system is to pass through
Quantitative gas condensation, electronic-weighing and data conversion are calculated or are mixed by specific discharge gas in quantitative constant-temperature clean gas
It is monitored after closing reducing temperature and humidity through high-accuracy dew point meter and the humidity value in the simulated environment system is calculated in data conversion.
9. a kind of iodine environment simulator according to claim 1, it is characterised in that: the pressure regulating system is to pass through
Gas or the discharge simulation of injection certain temperature, pressure are injected using buffer unit, quantitative injection and drain tap
Gas in environmental system realizes that pressure is adjusted.
10. a kind of iodine environment simulator according to claim 1, it is characterised in that: the exhaust treatment system is logical
Cross the iodine adsorbent equipment being provided with, gas safety dumping after dilution cooling, wet down, removal radioiodine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095593.2A CN110096082B (en) | 2018-01-31 | 2018-01-31 | Iodine environment simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810095593.2A CN110096082B (en) | 2018-01-31 | 2018-01-31 | Iodine environment simulator |
Publications (2)
| Publication Number | Publication Date |
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| CN110096082A true CN110096082A (en) | 2019-08-06 |
| CN110096082B CN110096082B (en) | 2022-03-04 |
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ID=67442893
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810095593.2A Active CN110096082B (en) | 2018-01-31 | 2018-01-31 | Iodine environment simulator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595762A (en) * | 2020-04-20 | 2020-08-28 | 中国石油天然气集团有限公司 | Simulation device and evaluation method for working environment of static equipment of petroleum refinery plant |
| CN113324777A (en) * | 2021-04-26 | 2021-08-31 | 中国辐射防护研究院 | Polymorphic radioactive iodine environment simulation and equipment comprehensive evaluation equipment |
| CN113406124A (en) * | 2021-05-18 | 2021-09-17 | 中国核电工程有限公司 | Experimental system for be used for carrying out capability test to methyl iodine adsorption material |
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| CN111595762A (en) * | 2020-04-20 | 2020-08-28 | 中国石油天然气集团有限公司 | Simulation device and evaluation method for working environment of static equipment of petroleum refinery plant |
| CN113324777A (en) * | 2021-04-26 | 2021-08-31 | 中国辐射防护研究院 | Polymorphic radioactive iodine environment simulation and equipment comprehensive evaluation equipment |
| CN113324777B (en) * | 2021-04-26 | 2024-01-23 | 中国辐射防护研究院 | Polymorphic radioactive iodine environment simulation and equipment comprehensive evaluation equipment |
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| CN110096082B (en) | 2022-03-04 |
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