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GB 14587-2011: Technical requirements for discharge of radioactive liquid effluents from nuclear power plant
Status: Obsolete GB 14587: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 14587-2011 | English | 359 |
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Technical requirements for discharge of radioactive liquid effluents from nuclear power plant
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GB 14587-2011
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| GB 14587-1993 | English | 199 |
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Technical rules for discharge system of radioactive waste water from LWR nuclear power plant
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GB 14587-1993
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PDF similar to GB 14587-2011
Basic data | Standard ID | GB 14587-2011 (GB14587-2011) | | Description (Translated English) | Technical requirements for discharge of radioactive liquid effluents from nuclear power plant | | Sector / Industry | National Standard | | Classification of Chinese Standard | F73 | | Classification of International Standard | 27.120.20 | | Word Count Estimation | 9,922 | | Date of Issue | 2011-02-18 | | Date of Implementation | 2011-09-01 | | Older Standard (superseded by this standard) | GB 14587-1993 | | Quoted Standard | GB 6249; GB 11216; GB 11217; GB 18871 | | Regulation (derived from) | Department of Environmental Protection announcement No. 21 of 2011 Announcement of Newly Approved National Standards No. 6 of 2011 | | Issuing agency(ies) | Ministry of Environmental Protection, General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China | | Summary | This Chinese standard specifies the nuclear power plant radioactive liquid effluents technical requirements. This standard applies to light-water reactors and heavy water reactor nuclear power plant radioactive liquid effluent discharge system design and operation as well as radioactive liquid effluents management. Other types of nuclear power plants and nuclear reactor facilities can refer to adopt. | GB 14587-2011: Technical requirements for discharge of radioactive liquid effluents from nuclear power plant
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Technical requirements for discharge of radioactive liquid effluents from nuclear power plant
National Standards of People's Republic of China
Replacing GB 14587-93
Nuclear power plant radioactive liquid effluent discharge technical requirements
Technical requirements for discharge of radioactive liquid effluents from
nuclear power plant
Issued on. 2011-02-18
2011-09-01 implementation
Ministry of Environmental Protection
State Administration of Quality Supervision, Inspection and Quarantine
release
People's Republic of China Ministry of Environmental Protection
announcement
No. 21 2011
To implement the "People's Republic of China Environmental Protection Law" and "People's Republic of China Radioactive Pollution Prevention Law," the prevention of pollution, protection of
Human health, are now approved "nuclear power plant environmental radiation protection regulations" and other three criteria for the national radioactive contamination control standards by the Ministry
And the State Administration of Quality Supervision, Inspection and Quarantine jointly issued. Standard name, numbered as follows.
First, nuclear power plant environmental radiation protection regulations (GB 6249-2011);
Third, low and intermediate level radioactive waste form performance cement cured body (GB 14569.1-2011).
According to relevant laws and regulations, these standards have the effect of enforcement.
Above standard since September 1, 2011 implementation, while following standards will be abolished.
First, nuclear power plant environmental radiation protection regulations (GB 6249-1986);
Second, the light water reactor nuclear power plant radioactive waste water system technical requirements (GB 14587-1993);
Third, low and intermediate level radioactive waste form performance cement cured body (GB 14569.1-1993).
Special announcement.
(This announcement already Administration of Quality Supervision, Inspection and Quarantine Ji Zhengkun countersigned)
February 18, 2011
Table of Contents
Preface ..iv
1. Scope ..1
2 Normative references ..1
3 Terms and Definitions .1
4 General requirements ..2
5 emissions management .. 3
6 Total discharge port setting 3
7 monitoring and recording .3
iv
Foreword
To implement the "People's Republic of China Environmental Protection Law" and "People's Republic of China Radioactive Pollution Prevention Law," prevention of radioactive pollution,
Improve the quality of the environment, protecting human health, the development of this standard.
This standard specifies the nuclear power plant radioactive liquid effluent discharge technical requirements.
This standard is the "light water reactor nuclear power plant radioactive waste water discharge system technical requirements" Amendment (GB 14587-93) of.
This standard was first published in 1993, the original standard was drafted by the former Beijing Institute of Nuclear Engineering. This is the first revision. this
The main contents of the revision as follows.
- Modify the standard name and scope;
- Modify the radioactive liquid effluent discharge management principles;
- Provides for the implementation of the total radioactive liquid effluent control and concentration control;
- An increase of emissions of radioactive liquid effluent concentration limits and online alarm threshold;
- Increase the technical requirements for radioactive liquid effluent discharge system design and operation management, especially optimization requirements;
- Modify the management of radioactive effluent discharge liquid composition, the total number of requests and monitoring the discharge port settings and so on. Especially for our country
Situation to be built riparian, shore or shore reservoirs and other inland nuclear power plant, increasing the specific requirements of the riparian, shore or shore of the reservoir.
From the date of implementation of this standard, "LWR nuclear power plant radioactive waste water discharge system technical requirements" (GB 14587-93) abolished.
This standard by the Ministry of Environmental Protection Science, Technology, Nuclear Safety Management Division organizations to develop.
This standard is mainly drafted by. Environmental Protection Department of Nuclear and Radiation Safety Center, Suzhou Institute of Thermal Engineering Co., Ltd.
This standard MEP January 25, 2011 for approval.
This standard since September 1, 2011 implementation.
The standard explanation by the Ministry of Environmental Protection.
Nuclear power plant radioactive liquid effluent discharge technical requirements
1 Scope
This standard specifies the nuclear power plant radioactive liquid effluent discharge technical requirements.
This standard applies to light water reactors and heavy water reactor nuclear power plant radioactive liquid effluent discharge system design and operation as well as radioactive liquid
Effluent emissions management. Other types of nuclear power plants and nuclear reactors can refer to the use of facilities.
2 Normative references
The standard content of the following documents cited in the articles. For undated references, the effective version applies to this standard.
GB 6249 nuclear power plant environmental radiation protection regulations
GB 11216 General requirements for nuclear facility effluent and environmental radioactivity monitoring quality assurance program
GB 11217 General provisions for monitoring effluents at nuclear facilities
GB 18871 ionizing radiation protection and safety of radiation sources basic standards
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Radioactive liquid effluent radioactive liquid effluents
It refers to the practice of the source caused in liquid form into the environment of radioactive material be diluted and dispersed.
3.2
Nuclear power plant radioactive liquid effluent discharge system discharge system of radioactive liquid effluents from nuclear
power plant
It means nuclear power plant for the collection, storage, system monitoring and operation of emissions of radioactive liquid effluents.
3.3
System outfall discharge point of removal system
It refers to the export of nuclear power plant radioactive liquid effluent discharge system.
3.4
Total outfall plant discharge point
It means nuclear power plant drainage and environmental receiving water interface.
3.5
Emission limit discharge limit
Meant to include the total annual emission limits and emission concentration limits. Allow nuclear power plant radioactive liquid effluents discharged to the environment of radioactivity
Maximum, including the total annual emissions of the maximum concentration and maximum discharge.
3.6
Emissions control value authorized discharge limit
Meant to include the total annual value of emission control and emission control concentration values. By the nuclear power plant operating units on the basis of the design of emissions, according to the site
Features and operating experience feedback similar power station, according to the "ALARA" principle and the "waste minimization" of the proposed radioactive liquid
State effluent total annual emissions and concentrations of application value, and to determine the approval.
3.7
Emissions management target release management target
It refers to the internal control values for effluent emissions management was operating unit settings.
4 General requirements
4.1 nuclear power plant operating organization should take effective measures to ensure that the radioactive liquid effluent discharge system design and operation of nuclear power plants and radioactive
Management of liquid effluent emissions to meet the relevant requirements of GB 18871, and follow the "ALARA" and "waste minimization" principle
The implementation of the radioactive liquid effluent total annual emission control and emission concentration control.
4.2 Nuclear power plant radioactive liquid effluent discharges to the environment should be used trough emissions, total emissions of radioactivity shall comply GB 6249 concerning
Total annual emissions of radioactive liquid effluent limits regulations. Meanwhile, the coastal site, outfall system at the inter 3H, 14C alia
Limit total emissions of radionuclides concentration is 1 000 Bq/L; for riparian, shore or shore reservoir site, outfall system at the inter 3H, 14C
The total emission limit concentration alia radionuclides is 100 Bq/L, and the total discharge at 1 km downstream of the receiving water bodies β radioactivity
Shall not exceed 1 Bq/L, 3H concentration should not exceed 100 Bq/L.
4.3 nuclear power plant by the dilution capacity of the receiving water body should meet the cooling water or cooling tower blowdown and radioactive liquid effluents discharged to the environment
Seek, and nuclear power plant as a major indicator of the selected ratio.
4.4 In the design phase of nuclear power plants, nuclear power plant design unit should be based on the provisions of 4.1, 4.2 and 4.3 of the proposed nuclear power plant radioactive liquid effluent
Total annual emissions are included in the design of 3H and 14C each including radionuclides, and to determine the approval. For the different sources of nuclear power plants discharge
Radioactive liquid effluents, nuclear power plant design unit should be based on their displacement, contained in the type and activity concentration of radioactive nuclides are proposed faculties
EC radioactive liquid effluent discharge port in addition to the design discharge concentration 3H, 14C alia radionuclides, and to determine the approval.
4.5 before the first loading of nuclear power plant operating units should be designed on the basis of emissions, according to the site transport and environmental characteristics similar nuclear power plants
Line experience feedback, emissions of radioactive liquid effluent management to optimize power plant proposed radioactive liquid effluent total annual emissions and
Application concentration value, after approval as a radioactive liquid effluent plant total annual emissions and concentrations of control values. For multi-unit site, should
Presented in a uniform liquid radioactive effluent total annual emissions of application value.
4.6 During operation, the nuclear power plant operating organization should be combined with changes in operating experience feedback and site conditions, the radioactive liquid effluent
Emissions management further optimization analysis, every five years for a nuclear power plant radioactive liquid effluent emissions values apply once review or repair
Order. When site conditions change significantly, it should be within six months of the nuclear power plant radioactive liquid effluent emissions values apply for review or repair
Order.
4.7 nuclear power plant operating organization shall control the radioactive liquid effluent quarter total annual emissions of radioactive liquid nuclear power plant within three consecutive months
Total effluent discharge shall not exceed the annual total value of emission control 1/2 of the total amount of radioactive liquid effluents discharged within a month should not exceed years
1/5 of the total amount of emissions control values. Riverfront, Lake reservoir shore or nuclear power plants, it can be combined with the characteristics of the receiving waters, to develop a more rational side discharge
Style, after approval implemented.
4.8 Design of a nuclear power plant radioactive liquid effluent discharge system shall ensure that the radioactive liquid effluent from the system of nuclear island and conventional island from
Radioactive liquid effluent discharge system into a different system, a non-radioactive waste is strictly prohibited plant included plant radioactive liquid effluent discharge
Release system.
4.9 nuclear power plant operating organization should be developed for different emission systems and different operating conditions of the liquid effluent discharge concentration management target, with
Internal controls on effluent emissions management thereof.
4.10 nuclear power plant operating organization should develop a radioactive liquid effluent emissions related to the management and implementation procedures and effective implementation, reduce and eliminate nuclear
Radioactive emissions from power plants abnormal liquid effluents.
To effectively prevent and control emissions from nuclear power plants abnormal radioactive liquid effluents, nuclear power plant design should be provided with sufficient emergency capacity retention
Sump to keep the radioactive liquid waste containment and control.
4.11 siting nuclear power plant operating units in phase environmental impact assessment should be carried out according to the design of power plant emissions of the reference design phase and for the first time installation
Material respectively according to the design phase should emissions and emissions from nuclear power plants to apply the value of environmental impact assessment.
5 emissions management
5.1 for single-unit or two-unit nuclear power plant, radioactive liquid effluent should focus on emissions. For coastal site, shall floodplain emissions, drum
Reed realized offshore emissions.
Prior to 5.2 for DC loop cooled nuclear power plants, all radioactive liquid effluents discharged into the environment in the receiving water body, shall be approved by the Nuclear Power
Plant circulating cooling water drainage, and cooling water is discharged from the mixing of the total discharge port, the discharge flow rate shall be determined in accordance with the cooling capacity of the dilution water.
5.3 for the effective prevention and control of abnormal radioactive emissions from nuclear power plant liquid effluent outfall line monitoring instrument system interlock alarm threshold
Shall not exceed five times the value of the emission concentration control.
5.4 For each exhaust system should be set two emissions of sufficient capacity storage tank and at least one backup reservoir discharge chute.
Storage tank should be equipped with emissions will exceed the value of the emission concentration control liquid effluent return waste processing system for purification devices.
Storage tank emissions should be set mixing device (such as a cyclic mixing pump), prior to discharge from the tank in order to obtain a representative sample.
Sampling from the beginning to the end of the discharge process, there should be no radioactive liquid effluent stream discharged into the reservoir tank.
5.5 lower than the control value of emission concentration of radioactive liquid effluents, radiation protection personnel designated by the nuclear power plant or authorized signature after approval,
Of emissions in accordance with the nuclear power plant emissions of radioactive liquid effluent management and program execution.
Emission concentration higher than the control value but below the emission concentration limits for radioactive liquid effluent, to meet the 4.8 to the provisions of, the nuclear power
After the plant manager or authorized signatory approval, before being allowed to discharge. At the same time, it should be identified radioactive liquid effluent concentration increased reason to take the necessary
Measures to prevent a recurrence.
Shall dilution method, will exceed the emission concentration limits for radioactive liquid effluent drains into the plant.
5.6 after treatment of radioactive liquid effluent reached reuse requirements, should be re-used within the plant to reduce emissions.
6 Total discharge port settings
6.1 Total discharge port settings should take full account of the environmental capacity of the receiving water body, function and ecological characteristics and other factors. The total discharge ports should avoid collection
Chinese water source protection areas, economic fish spawning grounds and migration routes, aquatic organisms and other environmentally sensitive farm points.
6.2 Total discharge port design, proper cooling water intake port and the mouth of the total emissions of various types and designs, through numerical simulation
After taking fully into account environmental factors, which determine the preferred embodiment, the hydraulic model test to determine approval after verification.
6.3 determine the location of the discharge port of the total, should try to avoid more satisfied by water suspended sediment place to reduce emissions of radiation near the mouth
Deposition of material accumulation.
6.4 Total discharge port shall be provided with clear warning signs.
6.5 For the riparian, shore or shore reservoir site, within 1 km downstream of the discharge port of the total ban on setting water intake.
7 monitoring and recording
7.1 Monitoring and recording of radioactive liquid effluent nuclear power plant should meet the relevant requirements of GB 11217 and GB 11216, monitoring results reported
Report shall implement the relevant provisions. Liquid effluent monitoring radioactive substances in Central Africa and temperature shall carry out the provisions of the standard.
7.2 deal with the nuclear power plant radioactive liquid effluent monitoring and sampling line continuous monitoring. For the different sources of radioactive liquid nuclear power plant
State effluent prior to discharge should be carried out sampling, measurement of total β γ or the total radioactivity, and then measures including 3H and 14C including a variety of radioactive
Activity concentration of radionuclides. Nuclear power plant should be discharged into the drains of each line are set to drain radioactive concentration of radioactive line continuous monitoring device
Home.
7.3 Online continuous monitoring devices should alarm and interlock functions. Shall meet the provisions of 5.3 and 5.5 under the premise of monitoring results and evaluation of sampling
Differences line continuous monitoring results to determine a reasonable first alarm threshold and interlock alarm threshold. When the concentration of radioactive liquid effluent emissions of ultra
Crossing the threshold or interlock alarm monitoring device malfunction, should be the main control room or local control room light and audible alarm, automatic stopping.
7.4 line continuous monitoring device shall have sufficient scale range, accuracy and short response time, regularly calibrated by measuring and testing units
And verification, traceability should be recorded in detail.
7.5 Riverfront, Lake reservoir shore or nuclear power plants in the total discharge port should be set at 1 km downstream monitoring points during the liquid effluent emissions per
Day timer sampling and analysis.
7.6 should map the distribution of radioactive liquid effluent discharge monitoring points.
7.7 Monitoring records shall include emission time, displacement, radionuclide emission concentration, total activity and staff signatures and regular documentation of long
Term storage.
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