CN109559836A - A kind of method that nuclear power station is improved based on the chemical environment of water of no soluble boron coolant - Google Patents
A kind of method that nuclear power station is improved based on the chemical environment of water of no soluble boron coolant Download PDFInfo
- Publication number
- CN109559836A CN109559836A CN201811273534.6A CN201811273534A CN109559836A CN 109559836 A CN109559836 A CN 109559836A CN 201811273534 A CN201811273534 A CN 201811273534A CN 109559836 A CN109559836 A CN 109559836A
- Authority
- CN
- China
- Prior art keywords
- coolant
- nuclear power
- water
- power station
- chemical environment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/28—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
- G21C19/30—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps
- G21C19/307—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps specially adapted for liquids
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The present invention provides a kind of method that nuclear power station is improved based on the chemical environment of water of no soluble boron coolant, it is included in nuclear power station unit station startup stage, the temperature for getting the chemical environment of water of coolant in primary Ioops gradually rises to preset medium temperature threshold value, lithium hydroxide solution is injected into primary Ioops by filling pipeline on RCS, until lithium concentration reaches predetermined value in coolant；Wherein, the front and back of coolant injection lithium hydroxide solution is free of boron ion；After nuclear power station unit station goes upward to the Operation at full power stage, the pH value of coolant is periodically detected, once detecting pH value lower than 7.2, just continue to inject lithium hydroxide solution into primary Ioops by filling pipeline on RCS, until it is predetermined value that lithium concentration is constant, so that until pH value maintains 7.2.Implement the present invention, by omitting preparation and its coordination strategy of soluble boron, the stabilization of the chemical environment of water of advantageous coolant also saves cost, simplified control strategy and slows down corrosion.
Description
Technical field
A kind of water chemistry the present invention relates to nuclear safety technical field more particularly to nuclear power station based on no soluble boron coolant
The method of enhancement of environment.
Background technique
The chemical environment of water initial pH value of coolant is 6.9 in one loop of nuclear power station, target ph 7.2.But existing core
Power station will lead to the water chemistry ring of coolant in fuel beginning of life one loop of nuclear power station using natural boron control reactor core reactivity
Boron ion concentration is higher in border, therefore, in order to ensure that fuel beginning of life pH=6.9, need to improve lithium concentration to 3.5mg/kg.It presses
According to the thinking for generally improving Chemical Control strategy, at this time just it is ensured that lithium concentration is constant, random groups burnup is deepened and can be made
Obtaining boron ion concentration reduces, and when pH value is increased to target value 7.2, need to coordinate boron ion concentration and lithium concentration to maintain pH
It is worth constant, i.e. boron lithium coordinated control.
But it to prevent unit runing time under high-lithium ion concentration too long, needs cold first in one loop of nuclear power station
But when the pH value of the chemical environment of water of agent is increased to 7.0, just start to reduce lithium concentration, and guarantee pH=7.0 always；Secondly,
When lithium concentration is down to 2.2mg/kg from highest 3.5mg/kg, then maintain lithium concentration constant, make pH value with boron from
Sub- concentration reduction gradually rises to target value 7.2；Then, just coordinate boron lithium concentration, remain unchanged pH=7.2, such as Fig. 1
It is shown.
However, the chemical environment of water pH value adjusting method of coolant has the following disadvantages it in above-mentioned one loop of nuclear power station
Place: (1) operating process is complicated, also because fuel beginning of life is to keep pH value=6.9, so that boron ion is in acid meeting in the present context
Corrosion risk is caused to one loop of nuclear power station structural material；(2) in order to control the water chemistry ring of coolant in one loop of nuclear power station
The boron ion concentration in border needs to set up the equipment and system of the preparation of control primary Ioops soluble boron, storage, addition, recycling and filtering,
Not only process flow and device configuration are extremely complex, occupied space, and usage amount, the operation operation for also increasing chemical addition agent are difficult
Degree, input cost.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of nuclear power station based on no soluble boron coolant
The method that chemical environment of water improves is omitted the preparation of soluble boron and adjusts the relevant operation operation of boron, is conducive to the water of coolant
The stabilization of chemical environment, also saving cost simplify the chemical environment of water control strategy of coolant and avoid one loop of nuclear power station
The corrosion of structural material.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of nuclear power stations based on no soluble boron coolant
The method that chemical environment of water improves, the described method comprises the following steps:
In nuclear power station unit station startup stage, the temperature for getting the chemical environment of water of coolant in one loop of nuclear power station is gradually risen
To after preset medium temperature threshold value, by filling pipeline into primary Ioops on preset on the reactor coolant loop RCS of nuclear power station
Lithium hydroxide solution is injected, until lithium concentration of the coolant in the chemical environment of water containing lithium ion reaches in primary Ioops
Until predetermined value；Wherein, the chemical environment of water of coolant equal not boracic before and after injecting lithium hydroxide solution in the primary Ioops
Ion；
After nuclear power station unit station goes upward to the Operation at full power stage, the water chemistry ring containing lithium ion to coolant in primary Ioops
The pH value in border is periodically detected, and once detect the chemical environment of water containing lithium ion of coolant in primary Ioops
When pH value is lower than 7.2, continued by filling pipeline on preset on the reactor coolant loop RCS of nuclear power station into primary Ioops
Lithium hydroxide solution is injected, until lithium concentration of the coolant in the chemical environment of water containing lithium ion is constant in primary Ioops
For the predetermined value, until enabling the pH value of the chemical environment of water containing lithium ion of coolant in primary Ioops to maintain 7.2.
Wherein, the method further includes:
Every time by probe tube preset on the reactor coolant loop RCS of nuclear power station to the aquation of coolant in primary Ioops
The lithium concentration and pH value learned in environment are detected.
Wherein, the chemical environment of water of the coolant nuclear power station unit station startup stage inject lithium hydroxide solution before only
Including desalination deaerated water.
Wherein, the predetermined value is 0.7mg/kg；The preset medium temperature threshold value is 80 DEG C.
Wherein, when the nuclear power station unit station Operation at full power stage, coolant has contained lithium ion in the primary Ioops
The temperature of chemical environment of water be increased to 310 DEG C.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, in embodiments of the present invention, due to not adding boric acid in primary Ioops, the preparation of soluble boron is omitted and adjusting boron relevant
Operation operation, can prevent primary Ioops coolant in acidity, reduce the corrosion of primary Ioops relevant device material, save into
Originally, the chemical environment of water control strategy for simplifying coolant, ensure that the stability of coolant water chemical environment；
2, it in embodiments of the present invention, due to only adjusting primary Ioops coolant pH value with lithium hydroxide, is not required to neutralize boric acid, simplify
Water chemistry control process in one loop of nuclear power station, the Variable Control quantity for reducing regulation pH (do not need for pH to be set to
6.9, then with the intensification of burnup, pH value is risen to 7.0 and 7.2), the stability contorting to primary Ioops coolant pH can be completed,
Also the usage amount of lithium hydroxide is reduced；
3, it in embodiments of the present invention, due to will not adjust boric acid concentration as the means of reactivity control, can remove
Introduced by boric acid positive reactivity temperature coefficient (the reactive temperature effect of nuclear power station be it is negative, i.e., increase can spontaneously for temperature
Cause reactive reduction), so that further increasing for temperature is controlled, it is more advantageous to safety.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without any creative labor, according to
These attached drawings obtain other attached drawings and still fall within scope of the invention.
When Fig. 1 uses the coordinated control of boron lithium for the chemical environment of water of coolant in one loop of nuclear power station in the prior art, lithium
Ion concentration and boron ion concentration change with pH value and the curve graph of variation；
Fig. 2 is the stream for the method that nuclear power station provided in an embodiment of the present invention is improved based on the chemical environment of water of no soluble boron coolant
Cheng Tu.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
As shown in Figure 1, for water chemistry of a kind of nuclear power station based on no soluble boron coolant in the embodiment of the present invention, provided
The method of enhancement of environment, the described method comprises the following steps:
Step S1, in nuclear power station unit station startup stage, the temperature of the chemical environment of water of coolant in one loop of nuclear power station is got
Gradually rise to preset medium temperature threshold value, by fill on preset on the reactor coolant loop RCS of nuclear power station pipeline to
Lithium hydroxide solution is injected in primary Ioops, until the coolant lithium ion in the chemical environment of water containing lithium ion in primary Ioops
Until concentration reaches predetermined value；Wherein, in the primary Ioops chemical environment of water of coolant before and after injecting lithium hydroxide solution
Be free of boron ion；
Step S2, after nuclear power station unit station goes upward to the Operation at full power stage, to coolant in primary Ioops containing lithium ion
The pH value of chemical environment of water is periodically detected, and is once detecting that coolant is containing the aquation of lithium ion in primary Ioops
When learning the pH value of environment and being lower than 7.2, by fill on preset on the reactor coolant loop RCS of nuclear power station pipeline continue to
Lithium hydroxide solution is injected in primary Ioops, until the coolant lithium ion in the chemical environment of water containing lithium ion in primary Ioops
Constant concentration is the predetermined value, and the pH value of the chemical environment of water containing lithium ion of coolant in primary Ioops is maintained
Until 7.2.
Detailed process is, before step S1, i.e., before nuclear power station unit station starting, should configure coolant in primary Ioops,
And the chemical environment of water of the coolant is free of boron ion before injecting lithium hydroxide solution.Wherein, coolant only includes desalination
Water, such as desalination deaerated water.
In step sl, i.e., after nuclear power station unit station starting, the temperature of the chemical environment of water of coolant in one loop of nuclear power station
It is also gradually risen with the raising of nuclear power station unit station temperature.The temperature to be checked for measuring the chemical environment of water of coolant in primary Ioops reaches pre-
If medium temperature threshold value (such as 80 DEG C or other temperature) after, hydroxide is injected into primary Ioops by filling pipeline on preset on RCS
Lithium solution, until lithium concentration of the coolant in the chemical environment of water containing lithium ion reaches predetermined value and be in primary Ioops
Only, so that the acidic environment of pH=6.9 is to one time when the chemical environment of water of coolant overcomes boron lithium coordinated control in the prior art
The corrosion of road relevant device material.
At this point, the predetermined value of lithium concentration is to be rationally designed out by the machine set type of different nuclear power station,
And the predetermined value is also the nuclear power station Operation at full power stage, and when pH value=7.2 of the chemical environment of water of coolant remain unchanged, root
The fixed value designed according to actual needs.In one embodiment, predetermined value 0.7mg/kg, the predetermined value are according to small-sized
What the actual motion environment of presurized water reactor obtained.
In step s 2, the chemical environment of water of coolant has contained lithium ion in primary Ioops, in nuclear power station unit station uplink
To the Operation at full power stage, by setting detection cycle and to coolant in primary Ioops containing the chemical environment of water of lithium ion
PH value be periodically detected.Wherein, when the nuclear power station unit station Operation at full power stage, in primary Ioops coolant contained lithium from
The temperature of the chemical environment of water of son can be increased to 310 DEG C or other high temperature for being greater than 310 DEG C.
In detection process each time, once detect the chemical environment of water containing lithium ion of coolant in primary Ioops
When pH value < 7.2, it will continue to inject lithium hydroxide solution into primary Ioops by filling pipeline on preset on RCS, until one time
Lithium concentration of the coolant in the chemical environment of water containing lithium ion is constant for predetermined value (such as small-sized presurized water reactor design in road
0.7mg/kg), so that until pH value=7.2 remain unchanged.
It should be noted that in the stage of nuclear power station unit station uplink and not up to Operation at full power, do not needed to primary Ioops
Middle injection lithium hydroxide solution, that is, the variation control of pH value from 6.9 to 7.0 when boron lithium coordinated control in the prior art is omitted.
It should be noted that the pH value of the chemical environment of water containing lithium ion is periodically detected coolant in primary Ioops
Time setting at equal intervals or the setting of unequal interval time can be carried out according to actual needs, while the starting point of cycle detection can be
Nuclear power station unit station uplink and when just arriving to Operation at full power state, is also possible to nuclear power station unit station Operation at full power for a period of time
Afterwards.Meanwhile coolant is under all operating statuses of nuclear power station unit station in primary Ioops, until beginning all be free of boron ion to whole.
In embodiments of the present invention, regardless of what stage the operation of nuclear power station unit station is located at, then coolant in primary Ioops
Lithium concentration and pH value in chemical environment of water are detected after being sampled by probe tube preset on RCS every time
's.
To sum up, the method that the nuclear power station of the embodiment of the present invention is improved based on the chemical environment of water of no soluble boron coolant, it is first
It first need to only carry out 1 grade of Chemical Control to adjust, i.e., primary Ioops pH directly be maintained 7.2, can completed faster cold to primary Ioops
PH value without pH value is first set to 6.9, then with the intensification of burnup, is risen to 7.0 and 7.2 by the but stability contorting of agent pH；
Secondly as using no soluble boron coolant within the nuclear power station entire phase in longevity, boric acid not being added in primary Ioops, one can be prevented
Circuit coolant in acidity, reduce the corrosion of primary Ioops relevant device, at the same be omitted boric acid preparation process and equipment match
It sets, saves arrangement space and cost；Finally, lithium concentration=2.2 mg/kg when relative to boron lithium coordinated control, use hydrogen-oxygen
When changing lithium adjusting primary Ioops coolant pH value, it may also reduce the usage amount of lithium hydroxide.
The implementation of the embodiments of the present invention has the following beneficial effects:
1, in the embodiment of the present invention, due to not adding boric acid in primary Ioops, the preparation of soluble boron is omitted and adjusting the relevant fortune of boron
Row operation, can prevent primary Ioops coolant in acidity, reduce the corrosion of primary Ioops relevant device material, save cost,
The chemical environment of water control strategy for simplifying coolant, ensure that the stability of coolant water chemical environment；
2, it in embodiments of the present invention, due to only adjusting primary Ioops coolant pH value with lithium hydroxide, is not required to neutralize boric acid, simplify
Water chemistry control process in one loop of nuclear power station, the Variable Control quantity for reducing regulation pH (do not need for pH to be set to
6.9, then with the intensification of burnup, pH value is risen to 7.0 and 7.2), the stability contorting to primary Ioops coolant pH can be completed,
Also the usage amount of lithium hydroxide is reduced；
3, it in embodiments of the present invention, due to will not adjust boric acid concentration as the means of reactivity control, can remove
Introduced by boric acid positive reactivity temperature coefficient (the reactive temperature effect of nuclear power station be it is negative, i.e., increase can spontaneously for temperature
Cause reactive reduction), so that further increasing for temperature is controlled, it is more advantageous to safety.
Those of ordinary skill in the art will appreciate that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program, the program can be stored in a computer readable storage medium,
The storage medium, such as ROM/RAM, disk, CD.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (5)
1. a kind of method that nuclear power station is improved based on the chemical environment of water of no soluble boron coolant, which is characterized in that the method
The following steps are included:
In nuclear power station unit station startup stage, obtain the chemical environment of water of coolant in one loop of nuclear power station temperature gradually rise to
After preset medium temperature threshold value, infused by filling pipeline on preset on the reactor coolant loop RCS of nuclear power station into primary Ioops
Enter lithium hydroxide solution, until lithium concentration of the coolant in the chemical environment of water containing lithium ion reaches pre- in primary Ioops
Until definite value；Wherein, in the primary Ioops chemical environment of water of coolant before and after injecting lithium hydroxide solution not boracic from
Son；
After nuclear power station unit station goes upward to the Operation at full power stage, the water chemistry ring containing lithium ion to coolant in primary Ioops
The pH value in border is periodically detected, and once detect the chemical environment of water containing lithium ion of coolant in primary Ioops
When pH value is lower than 7.2, continued by filling pipeline on preset on the reactor coolant loop RCS of nuclear power station into primary Ioops
Lithium hydroxide solution is injected, until lithium concentration of the coolant in the chemical environment of water containing lithium ion is constant in primary Ioops
For the predetermined value, until enabling the pH value of the chemical environment of water containing lithium ion of coolant in primary Ioops to maintain 7.2.
2. the method that the chemical environment of water of coolant improves in one loop of nuclear power station as described in claim 1, which is characterized in that
The method further includes:
Every time by probe tube preset on the reactor coolant loop RCS of nuclear power station to the aquation of coolant in primary Ioops
The lithium concentration and pH value learned in environment are detected.
3. the method that the chemical environment of water of coolant improves in one loop of nuclear power station as described in claim 1, which is characterized in that
The chemical environment of water of the coolant only includes desalination deoxygenation before nuclear power station unit station startup stage injects lithium hydroxide solution
Water.
4. the method that the chemical environment of water of coolant improves in one loop of nuclear power station as described in claim 1, which is characterized in that
The predetermined value is 0.7mg/kg；The preset medium temperature threshold value is 80 DEG C.
5. the method that the chemical environment of water of coolant improves in one loop of nuclear power station as described in claim 1, which is characterized in that
When the nuclear power station unit station Operation at full power stage, coolant chemical environment of water containing lithium ion in the primary Ioops
Temperature is increased to 310 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273534.6A CN109559836A (en) | 2018-10-30 | 2018-10-30 | A kind of method that nuclear power station is improved based on the chemical environment of water of no soluble boron coolant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273534.6A CN109559836A (en) | 2018-10-30 | 2018-10-30 | A kind of method that nuclear power station is improved based on the chemical environment of water of no soluble boron coolant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109559836A true CN109559836A (en) | 2019-04-02 |
Family
ID=65865296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811273534.6A Pending CN109559836A (en) | 2018-10-30 | 2018-10-30 | A kind of method that nuclear power station is improved based on the chemical environment of water of no soluble boron coolant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109559836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136858A (en) * | 2019-04-25 | 2019-08-16 | 中国船舶重工集团公司第七一九研究所 | Suitable for small-sized heap without boron list lithium alkalescent water quality adjusting system and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4764338A (en) * | 1984-03-01 | 1988-08-16 | Hitachi, Ltd. | Method for operating boiling water-type atomic power plant |
| US20040057549A1 (en) * | 2000-08-08 | 2004-03-25 | Hitachi, Ltd. | Method of operating nuclear reactor |
| US20070237702A1 (en) * | 2006-04-05 | 2007-10-11 | Southern Company Services, Inc. | Vacuum actuated anhydrous ammonia feed system for pH adjustment of boiler condensate/feed water |
| JP2011089942A (en) * | 2009-10-26 | 2011-05-06 | Hitachi-Ge Nuclear Energy Ltd | Method for controlling water quality in boiling water reactor plant |
| CN106574378A (en) * | 2014-07-30 | 2017-04-19 | 西屋电气有限责任公司 | Chemical process for primary system material passivation during hot functional testing of nuclear power plants |
| CN107247096A (en) * | 2017-05-26 | 2017-10-13 | 海南核电有限公司 | A kind of online lithium concentration analysis meter of multichannel |
| CN107293338A (en) * | 2016-04-12 | 2017-10-24 | 国家电投集团科学技术研究院有限公司 | Nuclear reactor safety system |
| CN107731317A (en) * | 2017-09-07 | 2018-02-23 | 中广核研究院有限公司 | A kind of pressurized water reactor and its fuel assembly of no soluble boron cooling agent |
-
2018
- 2018-10-30 CN CN201811273534.6A patent/CN109559836A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4764338A (en) * | 1984-03-01 | 1988-08-16 | Hitachi, Ltd. | Method for operating boiling water-type atomic power plant |
| US20040057549A1 (en) * | 2000-08-08 | 2004-03-25 | Hitachi, Ltd. | Method of operating nuclear reactor |
| US20070237702A1 (en) * | 2006-04-05 | 2007-10-11 | Southern Company Services, Inc. | Vacuum actuated anhydrous ammonia feed system for pH adjustment of boiler condensate/feed water |
| JP2011089942A (en) * | 2009-10-26 | 2011-05-06 | Hitachi-Ge Nuclear Energy Ltd | Method for controlling water quality in boiling water reactor plant |
| CN106574378A (en) * | 2014-07-30 | 2017-04-19 | 西屋电气有限责任公司 | Chemical process for primary system material passivation during hot functional testing of nuclear power plants |
| CN107293338A (en) * | 2016-04-12 | 2017-10-24 | 国家电投集团科学技术研究院有限公司 | Nuclear reactor safety system |
| CN107247096A (en) * | 2017-05-26 | 2017-10-13 | 海南核电有限公司 | A kind of online lithium concentration analysis meter of multichannel |
| CN107731317A (en) * | 2017-09-07 | 2018-02-23 | 中广核研究院有限公司 | A kind of pressurized water reactor and its fuel assembly of no soluble boron cooling agent |
Non-Patent Citations (1)
| Title |
|---|
| 张绮霞 等编: "《压水反应堆的化学化工问题》", 31 March 1984, 原子能出版社, pages: 174 - 175 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136858A (en) * | 2019-04-25 | 2019-08-16 | 中国船舶重工集团公司第七一九研究所 | Suitable for small-sized heap without boron list lithium alkalescent water quality adjusting system and method |
| CN110136858B (en) * | 2019-04-25 | 2022-11-01 | 中国船舶重工集团公司第七一九研究所 | Boron-free single-lithium alkalescent water quality adjusting system and method suitable for small-sized reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103367785B (en) | A kind of all-vanadium flow battery and the method for operation thereof | |
| CN102201563B (en) | Injection method of lithium ion battery electrolyte and the battery prepared | |
| CN105139901A (en) | Fuel management method of pressurized water reactor core formed by 177 fuel assemblies | |
| CN103871528B (en) | A kind of long period fuel management method of pressurized water reactor core | |
| CN105810254B (en) | Lack the Restart Method and system in group cross-section library for making reactor nuclear design | |
| CN103246739A (en) | Web browsing control method of multiple Web Views and browser | |
| CN109559836A (en) | A kind of method that nuclear power station is improved based on the chemical environment of water of no soluble boron coolant | |
| CN103985420A (en) | Control rod capable of flattening axial power distribution of reactor core and control rod assembly | |
| CN105139908A (en) | Control modes for PWR (Pressurized Water Reactor) core of nuclear power plant | |
| CN103065697A (en) | Boron-untrusted controlling method for criticality safety of spent fuel pool framework | |
| CN109086506B (en) | Fuel consumption analysis and calculation method suitable for liquid fuel molten salt reactor | |
| CN107093467A (en) | Method for the mox fuel component and flattening power of transmuting and flattening power | |
| GB2563792A (en) | Conversion of spent uranium oxide fuel into molten salt reactor fuel | |
| CN104617588B (en) | Reactor power control method and system of nuclear power unit during primary frequency modulation | |
| CN112750544B (en) | Method and device for controlling core of pressurized water reactor, computer equipment and storage medium | |
| CN102945986A (en) | Charging method of lithium ion battery | |
| CN109545402A (en) | A kind of method that nuclear power station is adjusted based on the chemical environment of water of no soluble boron coolant | |
| CN108550405A (en) | Mox fuel stick, mox fuel component and the method for flattening axial power | |
| CN103943888B (en) | A kind of valve-regulated sealed storage battery internal formation process controlling dividing plate saturation | |
| CN105161143A (en) | Effect-improved energy-efficient integrated method during physical starting of reactor | |
| CN205264790U (en) | Liquid system is annotated to continuous vacuum adsorption formula of lithium ion battery multi -level buffer | |
| CN104680316A (en) | Method for calculating uranium consumption rate of nuclear power unit | |
| CN103985892A (en) | All-vanadium redox flow battery | |
| CN113689961A (en) | PH control method for coolant of primary loop of rod-controlled reactor core nuclear reactor | |
| CN105543511A (en) | Preparation method of nuclear pure grade thorium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190402 |
|
| RJ01 | Rejection of invention patent application after publication |