CN106484948A - A kind of evaluation method of nuclear power plant effluent radiation effect - Google Patents
A kind of evaluation method of nuclear power plant effluent radiation effect Download PDFInfo
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- CN106484948A CN106484948A CN201610816653.6A CN201610816653A CN106484948A CN 106484948 A CN106484948 A CN 106484948A CN 201610816653 A CN201610816653 A CN 201610816653A CN 106484948 A CN106484948 A CN 106484948A
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- effluent
- floss hole
- liquid effluent
- nuclear power
- evaluation method
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
- G06Q50/265—Personal security, identity or safety
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention belongs to nuclear radiation impact assessment technique field, is related to a kind of evaluation method of nuclear power plant effluent radiation effect, it is adaptable to liquid effluent floss hole and the distant situation of Airborne Effluent floss hole.The method is according to population distribution around the relative position and distance and factory site of nuclear power plant's liquid effluent floss hole and assessment centers (Airborne Effluent floss hole), judge and determine the suitable dilution gfactor of different evaluation sub-district, suitable resident's recipe and life habit data are chosen, calculates the maximum individual's Net long wave radiation dosage suffered by the public in the range of Site Evaluating.Using the evaluation method of the present invention, liquid effluent floss hole and the distant situation of Airborne Effluent floss hole do not considered in relevant evaluation is solved at present, so as to cause the inaccurate technical problem of evaluation result in such cases.
Description
Technical field
The invention belongs to nuclear power plant radiation effect evaluates field, and in particular to the commenting of a kind of nuclear power plant effluent radiation effect
Valency method.
Background technology
Normally operation includes two approach to the radiation effect of the public around factory site for nuclear power plant, and one is Airborne Effluent discharge
Approach, two is liquid effluent discharge approach.Nearer apart from Airborne Effluent floss hole, atmospheric dispersion situation is poorer, Gong Zhongshou
The gaseous state approach radiation effect for arriving is bigger；Nearer apart from liquid effluent floss hole, receiving water body is for liquid radionuclide
Dilution situation poorer, the liquid approach radiation effect that the public is subject to is bigger.We are normally run to factory site in evaluation nuclear power plant
During the radiation effect of the surrounding public, superposition above two approach is needed to obtain the dose of radiation caused by the public public around factory site
Maximum individual's Net long wave radiation dosage suffered by crowd.
China at present in the site of nuclear power plant that builds He run, liquid effluent floss hole and Airborne Effluent floss hole away from
Close, liquid effluent floss hole is often assumed in radiation effect evaluation with Airborne Effluent floss hole in same position, and
Using Airborne Effluent floss hole position as demographic census, resident's recipe and life habit investigation and public's Evaluation of Radiation Dose
Center, the vicinity that the Maximum Individual Effective Dose suffered by the public typically appears at Site Evaluating center can be predicted.
But with developing rapidly for nuclear energy uses, the increasingly increase to nuclear power demand, the addressing scope of nuclear power plant is also gradually
Expand.For some nuclear power plant sites, due to being limited by environmental condition, the liquid effluent that need to be discharged nuclear power plant passes through pipeline
Transport apart from factory site center farther out, discharged in the receiving water body that meets discharge standard.When liquid effluent floss hole and
When Airborne Effluent floss hole is apart from each other, nearby the diet of resident and life habit there may be larger difference to two floss holes
Different, therefore can not simply be superimposed the radiation effect of gaseous state approach and liquid approach.For example, certain nuclear power plant's liquid effluent discharge
Mouth is apart from Site Evaluating center (Airborne Effluent floss hole) 25km, it is obvious that it is assumed that liquid effluent floss hole and gas
Effluent floss hole is carried in same position, and dose evaluation to be carried out using same set of resident's recipe and life habit be improper
, and should individually carry out for the concrete condition such as population distribution, resident's recipe and life habit near liquid effluent floss hole
Analytical calculation.
Content of the invention
In view of liquid effluent of the evaluation method of existing nuclear power plant effluent radiation effect based on existing nuclear power plant
Floss hole and Airborne Effluent floss hole (i.e. at the place of Site Evaluating center) apart from close, it is therefore assumed that liquid effluent discharge
Mouthful with Airborne Effluent floss hole in same position, and do not consider liquid effluent floss hole and Airborne Effluent floss hole away from
From situation farther out, inaccurate to evaluation result in this case so as to cause, it is an object of the invention to provide a kind of nuclear power
The evaluation method of factory's effluent radiation effect, it is adaptable to which liquid effluent floss hole is distant with Airborne Effluent floss hole
Situation.The method comprises the steps：
(1) according to nuclear power plant's floor plan, arrange from described liquid effluent floss hole with described Airborne Effluent
The concrete coordinate for putting mouth determines their relative position and distance.
(2) according to the population distribution around the result of (1) and nuclear power plant, judge the suitable dilution of different evaluation sub-district
The factor, in order to calculate the radionuclide concentration at described liquid effluent floss hole different distance.
Herein, dilution gfactor is the inverse of extension rate.
After the liquid effluent that nuclear power plant's operation is produced is entered in receiving water body, can migrate in receiving water body and spread,
Radionuclide in liquid effluent spreads more remote, and the degree that its concentration is diluted is bigger.Liquid effluent passes through each way
Footpath (eating exposure pathways in aquatic products, bank deposit external exposure approach, water activity operation external exposure approach etc.) liquid of adjusting the distance
The dose of radiation that the public causes at state effluent floss hole different distance, need to be according to the radioactivity in receiving water body at respective distances
Nuclide concentration (dilution gfactor) is calculated.
In this step, dilution gfactor can from the liquid effluent numerical simulation calculation report in factory site waterpower disperse research and
Obtain in physical model test report.Typically be given in analog study apart from liquid effluent floss hole 5km, 10km,
Dilution gfactor at 20km, 80km, according to residential area and the relative position of liquid effluent floss hole, determines each evaluation sub-district
(residential area) corresponding dilution gfactor.
(3) according to the population distribution around the result of (1) and nuclear power plant, point different evaluation sub-district determines neighbouring resident's
Recipe and life habit data.
Generally, nuclear power plant's surrounding resident recipe and life habit data be centered on Airborne Effluent floss hole
Investigated, required according to related evaluation, needed according to resident's maximum recipe, life habit data in the range of the radius 5km of factory site
Dose evaluation is carried out to the public in the range of the radius 5km of factory site, according to the average recipe of resident, life in the range of the radius 80km of factory site
Habit data carry out dose evaluation to the public in the range of the 5～80km of radius of factory site.When liquid effluent floss hole position is in factory
When beyond the assessment centers 5km of location, it is obvious that commented with the average recipe of resident, life habit data in the range of the radius 80km of factory site
The dosage of the neighbouring public of valency liquid effluent floss hole is inappropriate, because the food of the neighbouring public of liquid effluent floss hole
In the range of consumption structure and life habit and 5～80km of Site Evaluating center, the average level of the public has very big difference.
Accordingly, it would be desirable to according to liquid effluent floss hole, nearby the independent recipe that investigates of resident and life habit data carry out dosimeter
Calculate.
In this step, nearby the recipe of resident and life habit data can be obtained liquid effluent floss hole by inquiry.
(4) evaluate near discharge capacity according to described liquid effluent, dilution gfactor and liquid effluent floss hole
The recipe of resident and life habit data in sub-district, calculate described liquid effluent respectively and (eat aquatic products by each approach
Interior exposure pathways, bank deposit external exposure approach, water activity operation external exposure approach etc.) dose of radiation that the public is caused.
(5) discharge capacity according to described Airborne Effluent, meteorological data and described Airborne Effluent floss hole are attached
In nearly evaluation sub-district, the recipe of resident and life habit data, calculate described Airborne Effluent respectively by each approach (air
Submergence external exposure approach, suction air in exposure pathways, superficial deposit external exposure approach, eat exposure pathways in pesticide herd product
Deng) dose of radiation that the public is caused.
After the parameter needed for calculating is obtained according to step (1)～(3), can calculate formula according to general dose of radiation
To carry out the calculating of the dose of radiation of step (4) and step (5), related computing formula and parameter may be referred to national standard or
The standard criterion of person international organization, these belong to the common knowledge of this area.
(6) be superimposed each evaluate the liquid effluent that is subject to of the sub-district public and the various dose of radiations caused by Airborne Effluent,
Determine the maximum individual's Net long wave radiation dosage suffered by the public in site of nuclear power plant range of value.
In this step, the Maximum Individual Effective Dose in the range of Site Evaluating suffered by the public is air-liquid state effluent synthesis
The result of effect.
Preferably, the present invention provides a kind of liquid effluent floss hole and the distant nuclear power of Airborne Effluent floss hole
The evaluation method of factory's effluent radiation effect, further the dilution gfactor in step (2) can be from the waterpower disperse research of factory site
Liquid effluent numerical simulation calculation report and physical model test report in obtain.
Preferably, the present invention provides a kind of liquid effluent floss hole and the distant nuclear power of Airborne Effluent floss hole
The evaluation method of factory's effluent radiation effect, be further given in foundation analog study in step (2) are flowed out apart from liquid
Dilution gfactor at thing floss hole 5km, 10km, 20km, 80km, according to residential area and the relative position of liquid effluent floss hole
Put, determine the corresponding dilution gfactor of each evaluation sub-district (residential area).
Preferably, the present invention provides a kind of liquid effluent floss hole and the distant nuclear power of Airborne Effluent floss hole
The evaluation method of factory's effluent radiation effect, further the evaluation sub-district in step (3) is to discharge apart from Airborne Effluent
Near mouthful in the range of 0-80km.
Preferably, the present invention provides a kind of liquid effluent floss hole and the distant nuclear power of Airborne Effluent floss hole
The evaluation method of factory's effluent radiation effect, the further recipe of the neighbouring resident of the liquid effluent floss hole in step (3)
Can obtain by inquiry with life habit data.
Preferably, the present invention provides a kind of liquid effluent floss hole and the distant nuclear power of Airborne Effluent floss hole
The evaluation method of factory's effluent radiation effect, further each approach in step (4) include to eat exposure pathways in aquatic products,
Bank deposit external exposure approach, water activity operation external exposure approach.
Preferably, the present invention provides a kind of liquid effluent floss hole and the distant nuclear power of Airborne Effluent floss hole
The evaluation method of factory's effluent radiation effect, further each approach in step (5) include air submergence external exposure approach, suction
Enter exposure pathways in air, superficial deposit external exposure approach, eat exposure pathways in pesticide herd product.
Preferably, the present invention provides a kind of liquid effluent floss hole and the distant nuclear power of Airborne Effluent floss hole
The evaluation method of factory's effluent radiation effect, further in step (4) and (5) the basis national standard of dose of radiation or
The computing formula that the standard criterion of person international organization specifies.
Description of the drawings
Fig. 1 is the schematic diagram of the evaluation method of the present invention.
Specific embodiment
The specific embodiment of the present invention is further illustrated below in conjunction with accompanying drawing.
With liquid effluent floss hole, certain nuclear power plant apart from Site Evaluating center (Airborne Effluent floss hole) 25km is
Example, the correlation computations carried out the step of according to the present invention and assumes as follows：
The first step, according to nuclear power plant's floor plan, determines liquid effluent floss hole and assessment centers (Airborne Effluent
Floss hole) relative position and distance：Through consulting, liquid effluent floss hole is located at the direction 25km of assessment centers due east.
Second step, according to the population distribution around nuclear power plant, judges and determines the corresponding dilution gfactor of different evaluation sub-district：
Nuclear power plant's range of value is the region of radius 80km centered on Airborne Effluent floss hole, for carrying out Rapid Dose Calculation, by this area
Domain draws 12 concentric circles with 1,2,3,5,10,20,30,40,50,60,70,80km as radius respectively, is 22.5 ° with central angle
16 orientation intersect division fan section, are divided into totally 192 evaluation sub-districts.Factory site waterpower disperse research is obtained, apart from liquid flow
The dilution gfactor gone out at thing floss hole 5km, 10km, 20km, 80km is respectively 0.04,0.02,0.005,0.001.Due to liquid
Effluent floss hole at orientation 25km of assessment centers due east, therefore, too conservative consideration, Calculation Estimation center radius 5km scope
Resident's liquid approach dose of radiation when dilution gfactor be taken as 0.005；Resident's liquid of Calculation Estimation center radius 5～15km scope
During state approach dose of radiation, dilution gfactor is taken as 0.02；Resident's liquid approach spoke of Calculation Estimation center radius 15～35km scope
When penetrating dosage, dilution gfactor is taken as 0.04；During resident's liquid approach dose of radiation of Calculation Estimation center radius 35～45km scope
Dilution gfactor is taken as 0.02；Dilution gfactor during resident's liquid approach dose of radiation of Calculation Estimation center radius 45～80km scope
It is taken as 0.005.
3rd step, according to the particular location of liquid effluent floss hole, determines resident near liquid effluent floss hole
Recipe and life habit data：Public dose in the range of center radius 5km of factory site using resident in the range of the radius 5km of factory site most
Big recipe, life habit data are calculated；The public in the range of the 5～80km of center radius of factory site is (except liquid effluent is discharged
Mouthful neighbouring resident) dosage calculated using the average recipe of resident, life habit data in the range of the radius 80km of factory site；Liquid flow
Nearby resident's dose of radiation is practised using the liquid effluent floss hole recipe that nearby resident individually investigates and life to go out thing floss hole
Property data are calculated.
4th step, the parameter according to needed for the calculation of radiation dose of the first to the 3rd step gained, according to general radiation agent
Amount computing formula simultaneously combines liquid effluent annual emissions and other related specific environment investigation parameters, just can calculate liquid
The dose of radiation that state effluent is caused to the public around factory site.
5th step, the parameter according to needed for the calculation of radiation dose of the first to the 3rd step gained, according to general radiation agent
Amount computing formula simultaneously combines Airborne Effluent annual emissions, factory site meteorological measuring and other related specific environment investigation ginsengs
Number, just can calculate the dose of radiation that Airborne Effluent is caused to the public around factory site.
(6) be superimposed each evaluate the liquid effluent that is subject to respectively of the sub-district public and the dosage caused by Airborne Effluent, just may be used
Draw the Maximum Individual Effective Dose suffered by the public in the range of Site Evaluating.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications to the present invention and modification belong to the model of the claims in the present invention and its equivalent technology
Within enclosing, then the present invention is also intended to comprising these changes and modification.Above-mentioned embodiment is illustrating to the present invention
Bright, the present invention can also be implemented with other ad hoc fashions or other particular forms, without departing from idea of the invention or originally
Matter feature.Therefore, it is regarded as from the point of view of the embodiment of description is in terms of any illustrative rather than determinate.The model of the present invention
Enclose and should be illustrated by appended claims, any change equivalent with the intention of claim and scope should also be included in the present invention
In the range of.
Claims (8)
1. a kind of evaluation method of nuclear power plant effluent radiation effect, it is adaptable to which liquid effluent floss hole is arranged with Airborne Effluent
The distant situation of mouth is put, is comprised the steps：
(1) according to nuclear power plant's floor plan, from described liquid effluent floss hole and described Airborne Effluent floss hole
Concrete coordinate determine their relative position and distance；
(2) according to the population distribution around the result of (1) and nuclear power plant, judge the suitable dilution of different evaluation sub-district because
Son, in order to calculate the radionuclide concentration at described liquid effluent floss hole different distance；
(3) according to the population distribution around the result of (1) and nuclear power plant, point different evaluation sub-district determines the recipe of resident nearby
With life habit data；
(4) near discharge capacity according to described liquid effluent, dilution gfactor and liquid effluent floss hole, sub-district is evaluated
The recipe of interior resident and life habit data, calculate the radiation that described liquid effluent is caused to the public by each approach respectively
Dosage；
(5) comment near discharge capacity according to described Airborne Effluent, meteorological data and described Airborne Effluent floss hole
The recipe of resident and life habit data in valency sub-district, are calculated described Airborne Effluent respectively and the public are caused by each approach
Dose of radiation；
(6) be superimposed each evaluate the liquid effluent that is subject to of the sub-district public and the various dose of radiations caused by Airborne Effluent, determine
Maximum individual's Net long wave radiation dosage in site of nuclear power plant range of value suffered by the public.
2. evaluation method according to claim 1, it is characterised in that：Dilution gfactor in step (2) can be from factory site waterpower
Obtain in the report of liquid effluent numerical simulation calculation and physical model test report in disperse research.
3. evaluation method according to claim 1, it is characterised in that：In step (2) according to be given in analog study away from
Dilution gfactor away from liquid effluent floss hole 5km, 10km, 20km, 80km, according to residential area and liquid effluent floss hole
Relative position, determine each evaluation corresponding dilution gfactor of sub-district.
4. evaluation method according to claim 1, it is characterised in that：Evaluation sub-district in step (3) be apart from airborne
Effluent floss hole is nearby in the range of 0-80km.
5. evaluation method according to claim 1, it is characterised in that：Near liquid effluent floss hole in step (3)
The recipe of resident and life habit data can be obtained by inquiry.
6. evaluation method according to claim 1, it is characterised in that：Each approach in step (4) includes to eat aquatic products
Interior exposure pathways, bank deposit external exposure approach, water activity operation external exposure approach.
7. evaluation method according to claim 1, it is characterised in that：Each approach in step (5) is included outside air submergence
Exposure pathways, suction air in exposure pathways, superficial deposit external exposure approach, eat exposure pathways in pesticide herd product.
8. evaluation method according to claim 1, it is characterised in that：The basis of dose of radiation in step (4) and (5)
The computing formula that the standard criterion of national standard or international organization specifies.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107844135A (en) * | 2017-09-22 | 2018-03-27 | 中国核电工程有限公司 | A kind of inland nuclear power plant liquid effluent discharge control method |
| CN108133514A (en) * | 2017-11-21 | 2018-06-08 | 中国核电工程有限公司 | The Airimpactassessment method of the airborne discharge of nuclear power plant's Radioactive Liquid Effluent |
| CN109376931A (en) * | 2018-10-26 | 2019-02-22 | 中国辐射防护研究院 | A kind of determination method of arid area hot drain limit value |
| CN109541664A (en) * | 2018-10-25 | 2019-03-29 | 中国辐射防护研究院 | Radionuclide liquid discharges multistage dose conversion system under nuclear facilities accident |
| CN110955962A (en) * | 2019-11-14 | 2020-04-03 | 中国核电工程有限公司 | Method for determining dilution diffusion control requirements for liquid effluent discharge |
| CN111999754A (en) * | 2020-07-10 | 2020-11-27 | 中国辐射防护研究院 | Evaluation system based on nuclear facility airborne effluent monitoring data |
| CN112668844A (en) * | 2020-12-16 | 2021-04-16 | 中国辐射防护研究院 | Annual food intake estimation method for nuclear facility radiation environment influence evaluation |
| CN113642762A (en) * | 2021-06-29 | 2021-11-12 | 中国核电工程有限公司 | Method for evaluating radiation influence of liquid effluent of nuclear facility |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107844135B (en) * | 2017-09-22 | 2022-03-22 | 中国核电工程有限公司 | Discharge control method for liquid effluent of inland nuclear power plant |
| CN107844135A (en) * | 2017-09-22 | 2018-03-27 | 中国核电工程有限公司 | A kind of inland nuclear power plant liquid effluent discharge control method |
| CN108133514A (en) * | 2017-11-21 | 2018-06-08 | 中国核电工程有限公司 | The Airimpactassessment method of the airborne discharge of nuclear power plant's Radioactive Liquid Effluent |
| CN108133514B (en) * | 2017-11-21 | 2022-11-18 | 中国核电工程有限公司 | Atmospheric influence evaluation method for airborne emission of liquid radioactive effluent of nuclear power plant |
| CN109541664A (en) * | 2018-10-25 | 2019-03-29 | 中国辐射防护研究院 | Radionuclide liquid discharges multistage dose conversion system under nuclear facilities accident |
| CN109541664B (en) * | 2018-10-25 | 2023-12-15 | 中国辐射防护研究院 | Multi-stage dose estimation system for liquid state release of radionuclide in nuclear facility accident |
| CN109376931A (en) * | 2018-10-26 | 2019-02-22 | 中国辐射防护研究院 | A kind of determination method of arid area hot drain limit value |
| CN109376931B (en) * | 2018-10-26 | 2023-06-23 | 中国辐射防护研究院 | Method for determining radioactive emission limit value in arid region |
| CN110955962A (en) * | 2019-11-14 | 2020-04-03 | 中国核电工程有限公司 | Method for determining dilution diffusion control requirements for liquid effluent discharge |
| CN110955962B (en) * | 2019-11-14 | 2023-04-11 | 中国核电工程有限公司 | Method for determining dilution diffusion control requirements for liquid effluent discharge |
| CN111999754A (en) * | 2020-07-10 | 2020-11-27 | 中国辐射防护研究院 | Evaluation system based on nuclear facility airborne effluent monitoring data |
| CN112668844A (en) * | 2020-12-16 | 2021-04-16 | 中国辐射防护研究院 | Annual food intake estimation method for nuclear facility radiation environment influence evaluation |
| CN113642762A (en) * | 2021-06-29 | 2021-11-12 | 中国核电工程有限公司 | Method for evaluating radiation influence of liquid effluent of nuclear facility |
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