CN102831940A - Solution type nuclear reactor control system - Google Patents
Solution type nuclear reactor control system Download PDFInfo
- Publication number
- CN102831940A CN102831940A CN2011101582260A CN201110158226A CN102831940A CN 102831940 A CN102831940 A CN 102831940A CN 2011101582260 A CN2011101582260 A CN 2011101582260A CN 201110158226 A CN201110158226 A CN 201110158226A CN 102831940 A CN102831940 A CN 102831940A
- Authority
- CN
- China
- Prior art keywords
- feed liquid
- reactor
- pipeline
- container
- control system
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The invention discloses a solution type nuclear reactor control system. The system is provided with a feed liquid storage tank out of a graphite reflecting layer of a reactor container, with a size 1/10-1/15 that of the reactor container. The reactor container is communicated with the bottom of the feed liquid storage tank; a pipeline communicated with corresponding air cavity is drawn forth from the upper potion of the reactor container and the upper portion of the feed liquid storage tank respectively; an air pump pipeline, an automatic regulating valve pipeline, a compensating valve and a safety valve are connected in parallel on the two pipelines, wherein the air pump pipeline exhausts air from the air cavity at the upper portion of the reactor container and presses into the air cavity at the upper portion of the feed liquid storage tank; when the air pressure in the reactor container is lower than that of the feed liquid storage tank, the liquid level in the reactor container rises, and startup of the reactor is realized; and oppositely, as the liquid level in the reactor container descends, power of the reactor decreases, when the air pressure in the reactor container is equal to that of the upper portion of the feed liquid storage tank, shutdown of the reactor is realized, thereby realizing the control of the reactor. The solution type nuclear reactor control system has the advantages of simplified reactor core structure, improved reactivity of the reactor and reduced construction cost of the control system.
Description
Technical field
The invention belongs to a kind of reactor control system, specifically is the solution-type reactor control system.
Background technology
The existing solution-type nuclear reactor that adopts the solution nuclear fuel, its control system is made up of safety rod, shim rod and automatic regulating rod system.This heap container has several vertical conduits, and conduit is outward a fuel solution, and water communicates with the heap pond in the conduit.The control rod absorber moves up and down in conduit.Because conduit is fuel solution and pond water isolation boundary, if conduit has leakage, fuel solution is mixed with heap reflection horizon Chi Shui, cause pond water severe contamination, make very difficulty of aftertreatment; Because conduit is a stainless steel material, water is arranged in the pipe again, very big to the loss of reactivity of heap; The CRDM size is bigger, difficult arrangement; And the price of CRDM and absorber is very expensive.
Summary of the invention
The objective of the invention is to: to the problem that existing solution-type reactor control system exists, provide a kind of control easy realization, cost low, without the solution-type reactor control system of safety rod, shim rod, regulating rod.
Technical scheme of the present invention is following:
A kind of solution-type reactor control system is characterized in that: the outside of piling the graphite reflector of container in encirclement all around is provided with a feed liquid hold-up vessel, and the heap container bottom is communicated with feed liquid communicating pipe with the bottom of said feed liquid hold-up vessel; In heap container and feed liquid hold-up vessel, air cavity, bottom that top is respectively separately are feed liquid separately; At the top of heap container and feed liquid hold-up vessel, draw a pipeline that is connected with air cavity separately respectively; Said these two pipelines constitute one through being connected with the pipeline that safety valve is housed with pipeline that inflator pump is housed of its parallel connection, the pipeline that automatic regulating valve is housed, pipeline that surge valve is housed respectively; Its inflation direction of pipeline of inflator pump wherein is housed, and is that air cavity is inflated to feed liquid hold-up vessel top air cavity from heap container top.
Its supplementary features are:
The volume of the feed liquid hold-up vessel of said control system is 1/10 ~ 1/15 of the heap container volume.
The safety valve that said control system is provided with in the safety valve pipeline is a solenoid valve; The surge valve that in the surge valve pipeline, is provided with is a motorized valve; The automatic regulating valve that in the automatic regulating valve pipeline, is provided with is a pneumatic valve.
Effect of the present invention is: owing to outside the graphite reflector of heap container, be provided with a feed liquid hold-up vessel, the interior feed liquid of heap container is communicated with the interior feed liquid of feed liquid hold-up vessel; When the pressure of heap container internal upper part air cavity equated with the air pressure of feed liquid hold-up vessel internal upper part air cavity, the heap container was identical with feed liquid hold-up vessel liquid level.When the air pressure of heap container internal upper part air cavity during less than the air pressure of feed liquid hold-up vessel internal upper part air cavity, liquid level rises in the heap container, and heap power rises, and realizes opening heap; On the contrary, liquid level descends in the heap container, and heap power descends, and until shutdown, thereby realizes the control to solution reactor.Because utilize that the height of feed liquid liquid level in the control heap container is realized opening, the control of shutdown and heap power, simplified core structure greatly, reduced fuel solution and piled probability, the reactivity that has improved solution reactor that pond Chi Shui mixes, the cost that has reduced the solution reactor control system.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1. pile container; 2. graphite reflector; 3. feed liquid hold-up vessel; 4. feed liquid communicating pipe; 5. pile container top air cavity; 6. feed liquid hold-up vessel top air cavity; 7. safety valve; 8. surge valve; 9. automatic regulating valve; 10. inflator pump; 11. heap container feed liquid; 12. feed liquid hold-up vessel feed liquid.
Embodiment
Solution-type reactor control system according to the invention, characteristic is: the outside of piling the graphite reflector 2 of container 1 in encirclement all around is provided with a feed liquid hold-up vessel 3, and heap container 1 bottom is communicated with feed liquid communicating pipe 4 with the bottom of said feed liquid hold-up vessel 3; In heap container 1, top is that its air cavity 5, bottom are its feed liquid 11; In feed liquid hold-up vessel 3, top is that its air cavity 6, bottom are its feed liquid 12; The volume of feed liquid hold-up vessel 3 is 1/10 ~ 1/15 of heap container 1 volume; At the top of heap container 1 and feed liquid hold-up vessel 3, draw a pipeline that is connected with air cavity (5,6) separately respectively; Said these two pipelines constitute one through being connected with the pipeline that safety valve 7 is housed with pipeline that inflator pump 10 is housed of its parallel connection, the pipeline that automatic regulating valve 9 is housed, pipeline that surge valve 8 is housed respectively; To 6 inflations of feed liquid hold-up vessel top air cavity, promptly bleed from piling container top air cavity 5, is pressed into feed liquid hold-up vessel top air cavity 6 by inflator pump 10 by heap container top air cavity 5 for the inflation direction of inflator pump 10.Safety valve 7 is used solenoid valve, closed in electrified state; Surge valve 8 is used motorized valve; Automatic regulating valve 9 is used pneumatic valve.
The control of control system of the present invention heap principle is: when the air pressure of heap container 1 internal upper part air cavity 5 equated with the air pressure of feed liquid hold-up vessel 3 internal upper part air cavitys 6, it was identical to pile both liquid levels of container 1 and feed liquid hold-up vessel 3, the realization shutdown.
During reactor startup, safety valve 7 energising close, start inflator pump 10, automatic regulating valve 9 be transferred to half-open, turn down surge valve 8 gradually, at this moment; Inflator pump 10 is bled from heap container 1 top air cavity 5, is pressed in the air cavity 6 on feed liquid hold-up vessel 3 tops, because the top air pressure of heap container 1 interior feed liquid is less than the top air pressure of feed liquids in the feed liquid hold-up vessel 3; Feed liquid 12 in the feed liquid hold-up vessel 3 descends; Feed liquid 11 liquid levels that promote in the heap container 1 rise, and heap power rises, and realizes opening heap.
During shutdown, surge valve 8, automatic regulating valve 9 standard-sized sheets are opened in safety valve 7 outages; Inflator pump 10 stops, and at this moment, feed liquid hold-up vessel 3 internal gas pressures reduce and air pressure in the heap container 1 progressively raises; The liquid level of the feed liquid 11 in the heap container 1 descends, and the liquid level of feed liquid 12 progressively rises in the feed liquid hold-up vessel 3, and heap power descends; When the liquid level of feed liquid 11 in the heap container 1 equates with the liquid level of feed liquid 12 in the feed liquid hold-up vessel 3, realize shutdown.
When the rising of heap power reached requirement, surge valve 8 was motionless, and automatic regulating valve 9 drops into automatically, the fine setting of heap liquid level, and realization heap power is regulated automatically.When making automatic regulating valve 9 apertures exceed accommodation zone owing to reasons such as xenon poison and temperature, regulate with surge valve 8, automatic regulating valve 9 is got back in the accommodation zone.
Claims (2)
1. solution-type reactor control system; It is characterized in that: the outside of piling the graphite reflector (2) of container (1) in encirclement all around is provided with a feed liquid hold-up vessel (3), and heap container (1) bottom is communicated with feed liquid communicating pipe (4) with the bottom of said feed liquid hold-up vessel (3); In heap container (1) and feed liquid hold-up vessel (3), air cavity (5,6), bottom that top is respectively separately are feed liquid (11,12) separately; At the top of heap container (1) and feed liquid hold-up vessel (3), draw one and the pipeline that is connected of air cavity (5,6) separately respectively; Said these two pipelines constitute one through being connected with the pipeline that safety valve (7) is housed with pipeline that inflator pump (10) are housed of its parallel connection, the pipeline that automatic regulating valve (9) are housed, pipeline that surge valve (8) is housed respectively; The pipeline of inflator pump (10) wherein is housed, and its inflation direction is to inflate to the top air cavity (6) of feed liquid hold-up vessel (3) from the top air cavity (5) of heap container (1).
2. according to the described solution-type reactor control system of claim 1, it is characterized in that: the volume of the feed liquid hold-up vessel (3) of said control system is 1/10 ~ 1/15 of heap container (1) volume.
3. according to the described solution-type reactor control system of claim 1, it is characterized in that: the safety valve that said control system is provided with in the safety valve pipeline (7) is a solenoid valve; The surge valve that in the surge valve pipeline, is provided with (8) is a motorized valve; The automatic regulating valve that in the automatic regulating valve pipeline, is provided with (9) is a pneumatic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110158226.0A CN102831940B (en) | 2011-06-14 | 2011-06-14 | Solution type nuclear reactor control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110158226.0A CN102831940B (en) | 2011-06-14 | 2011-06-14 | Solution type nuclear reactor control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102831940A true CN102831940A (en) | 2012-12-19 |
| CN102831940B CN102831940B (en) | 2015-03-11 |
Family
ID=47335033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110158226.0A Active CN102831940B (en) | 2011-06-14 | 2011-06-14 | Solution type nuclear reactor control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102831940B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376889A (en) * | 2013-08-12 | 2015-02-25 | 中国核动力研究设计院 | Reactor core of medical isotope production reactor |
| CN106448753A (en) * | 2016-10-18 | 2017-02-22 | 中国核动力研究设计院 | Method for solving water boiler solution nuclear reactor power fluctuation under high power |
| CN109994242A (en) * | 2017-12-29 | 2019-07-09 | 中国核动力研究设计院 | A method of it is moved in solution reactor for simulating radiolysis bubble |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3151031A (en) * | 1959-12-22 | 1964-09-29 | Asea Ab | Method of regulating the operation of homogeneous nuclear reactors |
| US3211624A (en) * | 1962-09-25 | 1965-10-12 | Asea Ab | Method and means for controlling the start of a homogeneous nuclear reactor |
| CN1992095A (en) * | 2005-12-29 | 2007-07-04 | 中国核动力研究设计院 | "Water boiler" solution nuclear reactor with intrinsic safety |
| CN101271737A (en) * | 2008-04-30 | 2008-09-24 | 中国核动力研究设计院 | Method for improving rating steady-state operation power of homogeneous water solution nuclear reactor |
| CN101471149A (en) * | 2007-12-29 | 2009-07-01 | 中国核动力研究设计院 | Uniform water solution nuclear reactor nitrogen conversion and feed liquid automatic acid-adding system and method |
-
2011
- 2011-06-14 CN CN201110158226.0A patent/CN102831940B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3151031A (en) * | 1959-12-22 | 1964-09-29 | Asea Ab | Method of regulating the operation of homogeneous nuclear reactors |
| US3211624A (en) * | 1962-09-25 | 1965-10-12 | Asea Ab | Method and means for controlling the start of a homogeneous nuclear reactor |
| CN1992095A (en) * | 2005-12-29 | 2007-07-04 | 中国核动力研究设计院 | "Water boiler" solution nuclear reactor with intrinsic safety |
| CN101471149A (en) * | 2007-12-29 | 2009-07-01 | 中国核动力研究设计院 | Uniform water solution nuclear reactor nitrogen conversion and feed liquid automatic acid-adding system and method |
| CN101271737A (en) * | 2008-04-30 | 2008-09-24 | 中国核动力研究设计院 | Method for improving rating steady-state operation power of homogeneous water solution nuclear reactor |
Non-Patent Citations (1)
| Title |
|---|
| 梁俊福 等: "溶液堆的应用及其核燃料处理", 《核化学与放射化学》, vol. 31, no. 1, 20 February 2009 (2009-02-20) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376889A (en) * | 2013-08-12 | 2015-02-25 | 中国核动力研究设计院 | Reactor core of medical isotope production reactor |
| CN106448753A (en) * | 2016-10-18 | 2017-02-22 | 中国核动力研究设计院 | Method for solving water boiler solution nuclear reactor power fluctuation under high power |
| CN109994242A (en) * | 2017-12-29 | 2019-07-09 | 中国核动力研究设计院 | A method of it is moved in solution reactor for simulating radiolysis bubble |
| CN109994242B (en) * | 2017-12-29 | 2020-12-15 | 中国核动力研究设计院 | Method for simulating movement of radiolytic bubbles in solution pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102831940B (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102831940B (en) | Solution type nuclear reactor control system | |
| CN101783187B (en) | Exhaustion method for main system of reactor | |
| CN101049907A (en) | Instant self-controlled hydrogen supplying method and device from hydrogen chemic produced by hydrolyzing borohydride | |
| CN206134830U (en) | Solid -state sodium borohydride fuel cell hydrogen supply system of formula of throwing | |
| CN104376889A (en) | Reactor core of medical isotope production reactor | |
| CN201712998U (en) | Storage tank capable of transmitting pressure | |
| CN201220915Y (en) | Liquid supply apparatus capable of improving stable reliability | |
| CN203009926U (en) | Marsh gas safe water seal device | |
| CN203159207U (en) | Hydrogen production generator based on aluminum and aqueous alkali reaction | |
| CN201526806U (en) | Continuous liquid supply device | |
| CN202018832U (en) | Test device for loss of coolant accident (LOCA) of nuclear power station | |
| CN201688570U (en) | Horizontal water heater capable of storing water | |
| CN213810039U (en) | Non-emission industrial gas safety intelligent gas supply device | |
| CN204385192U (en) | A kind of biogas fermentation, gas storage, airing system | |
| CN211576806U (en) | Hydrostatic test device for control rod driving mechanism for nuclear power station | |
| CN201459124U (en) | Double-tank interactive stirring device for marsh gas production | |
| CN206758608U (en) | Automatic air exhausting battery cooling apparatus | |
| CN203926926U (en) | Water-sealed type safety check | |
| CN208485890U (en) | A kind of marsh-gas fermentation tank heating device | |
| CN205347419U (en) | Pneumatic methane tank of two reacting chambers | |
| CN202149615U (en) | Full automatic solar water heater with trapezoidal water storage tank | |
| CN206225467U (en) | A kind of proportioning filling apparatus for alcohol water fuel cell | |
| CN103778975A (en) | Passive reactor core water-supplement system of pressure vessel and passive reactor core water-supplement method using the same | |
| CN101545541B (en) | Low pressure drop floating type gas phase media water-sealed valve | |
| CN218609398U (en) | Continuous methyl esterification production system of fatty acid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |