CN209029112U - A kind of reactor voltage-stabilizing system having peace pouring functions - Google Patents
A kind of reactor voltage-stabilizing system having peace pouring functions Download PDFInfo
- Publication number
- CN209029112U CN209029112U CN201821535248.8U CN201821535248U CN209029112U CN 209029112 U CN209029112 U CN 209029112U CN 201821535248 U CN201821535248 U CN 201821535248U CN 209029112 U CN209029112 U CN 209029112U
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- peace
- hydrospace
- stabilizing system
- pipeline
- 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.)
- Active
Links
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
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The utility model relates to a kind of reactor voltage-stabilizing systems for having peace pouring functions, and voltage-stabilizing system includes at least two nitrogen pressurizers arranged side by side.It include the hydrospace positioned at lower part and the headroom above hydrospace in each nitrogen pressurizer；It is connected with water pipe between the hydrospace of each nitrogen pressurizer, the hydrospace of each nitrogen pressurizer is connected to, and is accessed in steam generator by Surge line piping；It is connected with airflow line between the headroom of each nitrogen pressurizer, to balance the pressure of the headroom of each nitrogen pressurizer；In addition, being connected with peace note pipeline between the hydrospace of each nitrogen pressurizer, and in cut-in pressure container.Under accidental conditions, pressurizer system realizes voltage stabilizing function, in the case where primary Ioops cut accident conditions occur, the coolant of hydrospace enters pressure vessel by peace note pipeline in nitrogen pressurizer, realize peace pouring functions, the integrated of pressurizer system and safety injection system is realized, system configuration is simplified, reduces occupied space.
Description
Technical field
The utility model relates to nuclear power fields, more specifically to a kind of reactor pressure stabilizing system for having peace pouring functions
System.
Background technique
In presurized water reactor nuclear power unit, primary Ioops are a closed loop systems.When nuclear power unit is run, pass through pressure stabilizing
Device control primary Ioops pressure change due to caused by reactor coolant temperature variation or volume variation, maintains primary Ioops exhausted
To pressure near the setting valve of operating pressure (such as 15.5MPa), prevent Core cooling agent from vaporizing, protection reactor operation peace
Entirely, meanwhile, when primary Ioops system pressure is beyond voltage-stablizer automatic adjustment range, pass through the safety valve pressure release being arranged on voltage-stablizer
System overpressure is prevented, the integrality of primary Ioops pressure boundary is protected.
There are mainly of two types for voltage-stablizer, i.e. steam pressurizer and nitrogen pressurizer, and steam pressure stabilizing is added by saturated media
Hot vapourization controls primary Ioops operating pressure with saturated vapor spraying cooling, and capacity is huge, is suitble to land nuclear power station；Nitrogen is steady
Pressure controls primary Ioops operating pressure by nitrogen charging and denitrogen, and adjusting is quick, structure is simple, easy to maintain, and is not necessarily to power supply,
It is very suitable to marine nuclear power unit.
Safety injection system belongs to engineered safety system, and cut accident, current nuclear power occurs dedicated for reply primary Ioops
In apparatus system setting, safety injection system is separately provided, and is furnished with electronic safety injection pump, when cut accident occurs for primary Ioops system
When, it is quickly filled the water to reactor core by safety injection pump, guarantees core deluge, avoid that reactor core melting accident occurs.
For the small-sized heap of compact arrangement, due to eliminating primary Ioops main pipeline, large break thing is avoided in design
Therefore the possibility of minor break accident is only existed, therefore, safety injection system does not need very big capacity.
Under accidental conditions, safety injection system is in close state, and voltage-stabilizing system is in operating status, under accident conditions,
Reactor shutdown, voltage-stablizer stop working, and safety injection system puts into operation at this time, and therefore, the time that the two puts into operation does not weigh
It is folded.
Meanwhile the medium coolant-temperature gage in nitrogen pressurizer is more much lower than primary Ioops coolant temperature, can be used as peace water filling makes
With.In principle, under primary Ioops cut accident conditions, voltage-stablizer can be used when safety injection system.
Therefore, if can integrate voltage-stablizer and safety injection system in a system, normally transport by Optimized System Design
Under row operating condition, realize voltage stabilizing function, in the case where primary Ioops cut accident conditions occur, realize peace pouring functions, general so that system significantly
Simplify, greatly reduce system arrangement space, meanwhile, the system or passive voltage stabilizing function and it is passive pacify pouring functions be
System, greatly improves the security reliability of system.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of reactor voltage-stabilizing system for having peace pouring functions.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of reaction for having peace pouring functions
Heap voltage-stabilizing system, including at least two nitrogen pressurizers arranged side by side；
It include the hydrospace positioned at lower part and the headroom above the hydrospace in each nitrogen pressurizer；
It is connected with water pipe between the hydrospace of each nitrogen pressurizer, the water of each nitrogen pressurizer is empty
Between be connected to, the water pipe include two water stream channels；
It is connected with airflow line between the headroom of each nitrogen pressurizer, to balance the gas of each nitrogen pressurizer
The pressure in space；
One water stream channel is connect by peace note pipe with pressure vessel；
One water stream channel is connect by Surge line piping with steam generator.
Preferably, the water pipe includes hydrospace communicating pipe and peace note communicating pipe, and the peace note pipe is infused with the peace
Communicating pipe connection, the Surge line piping are connect with the hydrospace communicating pipe.
Preferably, the peace note pipe is equipped with the first isolating valve for controlling the peace note pipe switch and prevents to described
The first check-valve of peace note communicating pipe reflux.
Preferably, the airflow line is equipped with the first control valve for carrying out pressure release in superpressure.
Preferably, the voltage-stabilizing system further includes nitrogen gas tank, and the bottom of the nitrogen gas tank is equipped with to be connected with the airflow line
Logical, the first nitrogen pipeline to be filled with nitrogen into the nitrogen pressurizer.
Preferably, the compensation pipes for supplementing nitrogen into the nitrogen gas tank are additionally provided on the nitrogen gas tank.
Preferably, first nitrogen pipeline is equipped with the second isolating valve for controlling the first nitrogen pipeline switch, institute
It states compensation pipes and is equipped with the third isolating valve for controlling the compensation pipes switch.
Preferably, the nitrogen gas tank is equipped with the second control valve for carrying out pressure release in superpressure.
Preferably, the voltage-stabilizing system further includes the injection case for being contained with dense boric acid, and the top of the injection case passes through the
Two nitrogen pipelines are connected to the nitrogen gas tank, and the bottom of the injection case is connected to by injection pipeline with the peace note communicating pipe,
With the reactor core that can be injected dense boric acid using pressure difference in the pressure vessel.
Preferably, second nitrogen pipeline is equipped with the 4th isolating valve for controlling the second nitrogen pipeline switch
With the second check-valve for preventing nitrogen from flowing back to the nitrogen gas tank, the injection pipeline is equipped with for controlling the injection pipeline
5th isolating valve of switch and the third check-valves for preventing dense boric acid from flowing back to the injection case.
Preferably, the voltage-stabilizing system further includes after-treatment device, the after-treatment device by nitrogen discharge pipeline with
The airflow line connection, to be collected to nitrogen.
Preferably, the nitrogen discharge pipeline is equipped with the 6th isolating valve.
The reactor voltage-stabilizing system for having peace pouring functions for implementing the utility model, has the advantages that normal
Under operating condition, voltage-stabilizing system realizes voltage stabilizing function, in the case where primary Ioops cut accident conditions occur, hydrospace in nitrogen pressurizer
Coolant pressure vessel is entered by water pipe, realize peace pouring functions, will greatly reduce and be so that system greatly simplifies
System arrangement space, meanwhile, the system which still utilizes pressure difference to realize passive voltage stabilizing function and passive peace pouring functions, greatly
The big security reliability for improving system.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the schematic illustration of the reactor in the utility model embodiment.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, the reactor in one preferred embodiment of the utility model includes pressure vessel 1, steam generator 2
And voltage-stabilizing system 3, pressure vessel 1 are connected to by pipeline with steam generator 2.
The voltage-stabilizing system 3 of reactor has peace pouring functions, including two nitrogen pressurizers 31 arranged side by side, nitrogen stabilization pressure
The quantity of device 31 can also be multiple.
It include being located at the hydrospace A of lower part and above the A of hydrospace filled with nitrogen in each nitrogen pressurizer 31
Headroom B；It is connected with water pipe 32 between the hydrospace A of each nitrogen pressurizer 31, the water of each nitrogen pressurizer 31 is empty
Between A be connected to, water pipe 32 include two water stream channels 32a, 32b；Gas is connected between the headroom B of each nitrogen pressurizer 31
Flow tube road 33, to balance the pressure of the headroom B of each nitrogen pressurizer 31.
In addition, a water stream channel 32a is connect by peace note pipe 321 with pressure vessel 1；One water stream channel 32b passes through fluctuation
Pipe 322 is connect with steam generator 2.
Under accidental conditions, voltage-stabilizing system 3 realizes voltage stabilizing function, in the case where primary Ioops cut accident conditions occur, nitrogen
The coolant of hydrospace A enters pressure vessel 1 by water stream channel 32a in gas voltage-stablizer 31, realizes peace pouring functions, will so that
System greatly simplifies, and greatly reduces system arrangement space, meanwhile, the system still utilize pressure difference realize passive voltage stabilizing function with
The system of passive peace pouring functions, greatly improves the security reliability of system.
Preferably, water pipe 32 includes that hydrospace communicating pipe 323 and peace are infused communicating pipe 324, in hydrospace communicating pipe 323
A water stream channel 32b is formed, forms a water stream channel 32a in peace note communicating pipe 324, are connected peace note pipe 321 and peace note communicating pipe 324
It connects, Surge line piping 322 is connect with hydrospace communicating pipe 323, makes the two root canal roads for being connected to pressure vessel 1 and steam generator 2 only
It is vertical, interference will not be generated.In other embodiments, two mutually isolated channels also be can be divided into water pipe 32, respectively shape
At two water stream channels 32a, 32b.
Peace note pipe 321 be equipped with for control peace note pipe 321 switch the first isolating valve 3211 and prevent to pacify infuse be connected to
The first check-valve 3212 that pipe 324 flows back.First isolating valve 3211 is constantly in closing under nuclear reactor accidental conditions
State opens the first isolating valve 3211 on peace note pipe 321 when cut accident conditions occur；First check-valve 3212 rises anti-
The only effect of medium water reflux.
Airflow line 33 is equipped with the first control valve 331 for carrying out pressure release in superpressure, normal in nuclear reactor
It is in closed state under operating condition and generation cut accident conditions, when primary Ioops pressure exceeds system itself adjustable range
When, the first control valve 331 is opened, and quick pressure releasing plays overpressure protection function.In general, the first control valve 331 is relief valve or peace
Full valve.
Voltage-stabilizing system 3 further includes nitrogen gas tank 34, and the bottom of nitrogen gas tank 34, which is equipped with, to be connected to, with steady to nitrogen with airflow line 33
It is filled with the first nitrogen pipeline 341 of nitrogen in depressor 31, nitrogen can be filled with into nitrogen pressurizer 31.First nitrogen pipeline
341 are equipped with the second isolating valve 342 of control the first nitrogen pipeline 341 switch, under nuclear reactor accidental conditions
The second isolating valve 342 is opened when primary Ioops system pressure is lower than itself adjustable range of nitrogen pressurizer 31 in closed state,
Nitrogen is filled with to nitrogen pressurizer 31；When cut accident conditions occur, the second isolating valve 342 is opened, using pressure difference by nitrogen
Water in voltage-stablizer 31 is rapidly injected reactor core.
It is additionally provided with the compensation pipes 343 for supplementing nitrogen into nitrogen gas tank 34 on nitrogen gas tank 34, is set on compensation pipes 343
The third isolating valve 344 for thering are control compensation pipes 343 to switch.When nitrogen is insufficient in nitrogen pressurizer 31, when requiring supplementation with nitrogen,
Third isolating valve 344 is opened, external nitrogen source is added in high pressure nitrogen tank 34 by compensation pipes 343.
Nitrogen gas tank 34 is equipped with the second control valve 345 for carrying out pressure release in superpressure, and the second control valve 345 is pressure release
Valve or safety valve.Second control valve 345 is in nuclear reactor accidental conditions and occurs to be in closing under cut accident conditions
State, when primary Ioops pressure exceeds system itself adjustable range, 34 second control valve 345 of high pressure nitrogen tank is opened, with first
Play overpressure protection function one of control valve 331.
Voltage-stabilizing system 3 further includes the injection case 35 for being contained with dense boric acid, and the top of injection case 35 passes through the second nitrogen pipeline
351 are connected to nitrogen gas tank 34, and the bottom of injection case 35 is connected to by injection pipeline 352 with peace note communicating pipe 324, can utilize pressure
Difference by the reactor core in dense boric acid injection pressure container 1, with it is cooling with flood reactor core, while it is positive and negative caused by offsetting because of temperature effect
Answering property increases.
Second nitrogen pipeline 351 is equipped with the 4th isolating valve 353 for controlling the second nitrogen pipeline 351 switch and prevents
The second check-valve 354 that nitrogen flows back to nitrogen gas tank 34, injection pipeline 352 are equipped with for controlling the injection switch of pipeline 352
5th isolating valve 355 and the third check-valves 356 for preventing dense boric acid from flowing back to injection case 35.
4th isolating valve 353, the 5th isolating valve 355 are in close state always under nuclear reactor accidental conditions,
When cut accident or main steam line, which occur, for primary Ioops system rupture occurs primary Ioops temperature is caused to be substantially reduced, the is opened
Dense boric acid is rapidly injected reactor core using pressure difference, to offset the increase of positive reactivity by four isolating valves 353, the 5th isolating valve 355；
Second check-valve 354 and third check-valves 356 can play a part of to prevent medium back flow.
Voltage-stabilizing system 3 further includes after-treatment device 36, and after-treatment device 36 passes through nitrogen discharge pipeline 361 and airflow line
33 connections, to be collected to nitrogen.
Nitrogen discharge pipeline 361 is equipped with the 6th isolating valve 362, and in nuclear reactor accidental conditions and cut occurs
It is in closed state under accident conditions, when primary Ioops system pressure is higher than itself adjustable range of nitrogen pressurizer 31, is opened
6th isolating valve 362 is discharged in a part of nitrogen to after-treatment device 36；Meanwhile after-treatment device 36 is also used as primary Ioops system
Regular denitrogen of uniting collects after-treatment device 36.
The invention has the following advantages:
1. the present invention is different from the voltage-stabilizing system of traditional nuclear power station and safety injection system, this two systems is integrated,
It realizes that a system both has voltage stabilizing function, but also with peace pouring functions, greatlies simplify system setting.
2. boric acid injected system is integrated into safety injection system by the present invention, realizes while filling the water and infusing boron function, be omitted
Boric acid injected system is separately provided, simplifies system setting.
3. the present invention realizes passive pressure stabilizing, passive peace note and passive note boron using pressure difference simultaneously, it is greatly improved
The security reliability of security system still can ensure that reactor safety even if station blackout accident occurs.
4. the present invention is provided with high pressure nitrogen tank 34, when primary Ioops system pressure adjusts model lower than nitrogen pressurizer 31 itself
When enclosing, nitrogen can be supplemented to voltage-stablizer by high pressure nitrogen tank 34, make pressure recovery normal pressure value.
5. the present invention is provided with nitrogen compensation pipes 343, when system nitrogen source appearance deficiency, and model is adjusted beyond system itself
When enclosing, nuclear reaction is improved to maintain system nitrogen source to be restored in system itself adjustable range by this compensation pipes 343
Stack operation safety.
6. the nitrogen of the invention that is provided with collects after-treatment device 36, the nitrogen of primary Ioops system discharge is collected, and after progress
Processing.
Nitrogen stabilization pressure system 3 is in nuclear reactor accidental conditions, after collecting in conjunction with high pressure nitrogen tank 34 and nitrogen
Device 36 is managed, pressure adjusting is carried out with discharge by being filled with for nitrogen in nitrogen pressurizer 31；
Primary Ioops temperature is caused to be substantially reduced when rupture occurs for primary Ioops system generation cut accident or main steam line
When, nitrogen stabilization pressure system 3 is rapidly converted to safety injection system, pacifies note pipe 321 for the medium in voltage-stablizer by nitrogen pressurizer 31
Dense boric acid in water and dense boric acid injection case 35 is rapidly injected reactor core, with cooling and floods reactor core, while offsetting because of temperature effect
Caused positive reactivity increases.
System plays voltage stabilizing function under nuclear reactor accidental conditions, when cut accident, or master occur for primary Ioops system
When jet chimney generation rupture causes primary Ioops temperature to be substantially reduced, peace pouring functions are played, there is good feasibility and reliability.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (12)
1. a kind of reactor voltage-stabilizing system (3) for having peace pouring functions, which is characterized in that including at least two nitrogen arranged side by side
Gas voltage-stablizer (31)；
It include positioned at the hydrospace (A) of lower part and above the hydrospace (A) in each nitrogen pressurizer (31)
Headroom (B)；
Water pipe (32) are connected between the hydrospace (A) of each nitrogen pressurizer (31), by each nitrogen stabilization pressure
The hydrospace (A) of device (31) is connected to, and the water pipe (32) includes two water stream channels (32a, 32b)；
Airflow line (33) are connected between the headroom (B) of each nitrogen pressurizer (31), it is steady to balance each nitrogen
The pressure of the headroom (B) of depressor (31)；
One water stream channel (32a) is connect by peace note pipe (321) with pressure vessel (1)；
One water stream channel (32b) is connect by Surge line piping (322) with steam generator (2).
2. the reactor voltage-stabilizing system (3) according to claim 1 for having peace pouring functions, which is characterized in that the water flow
Pipeline (32) includes hydrospace communicating pipe (323) and peace note communicating pipe (324), and the peace note pipe (321) is connected to peace note
(324) connection is managed, the Surge line piping (322) connect with the hydrospace communicating pipe (323).
3. the reactor voltage-stabilizing system (3) according to claim 2 for having peace pouring functions, which is characterized in that the peace note
Pipe (321), which is equipped with the first isolating valve (3211) for controlling peace note pipe (321) switch and prevents from infusing to the peace, to be connected
The first check-valve (3212) of siphunculus (324) reflux.
4. the reactor voltage-stabilizing system (3) according to claim 2 for having peace pouring functions, which is characterized in that the air-flow
Pipeline (33) is equipped with the first control valve (331) for carrying out pressure release in superpressure.
5. according to the described in any item reactor voltage-stabilizing systems (3) for having peace pouring functions of claim 2 to 4, which is characterized in that
The voltage-stabilizing system (3) further includes nitrogen gas tank (34), and the bottom of the nitrogen gas tank (34) is equipped with the airflow line (33) even
First nitrogen pipeline (341) logical, to be filled with nitrogen into the nitrogen pressurizer (31).
6. the reactor voltage-stabilizing system (3) according to claim 5 for having peace pouring functions, which is characterized in that the nitrogen
The compensation pipes (343) for the supplement nitrogen into the nitrogen gas tank (34) are additionally provided on tank (34).
7. the reactor voltage-stabilizing system (3) according to claim 6 for having peace pouring functions, which is characterized in that described first
Nitrogen pipeline (341) is equipped with the second isolating valve (342) for controlling the first nitrogen pipeline (341) switch, the compensation pipe
Line (343) is equipped with the third isolating valve (344) for controlling compensation pipes (343) switch.
8. the reactor voltage-stabilizing system (3) according to claim 5 for having peace pouring functions, which is characterized in that the nitrogen
Tank (34) is equipped with the second control valve (345) for carrying out pressure release in superpressure.
9. the reactor voltage-stabilizing system (3) according to claim 5 for having peace pouring functions, which is characterized in that the pressure stabilizing
System (3) further includes the injection case (35) for being contained with dense boric acid, and the top of injection case (35) passes through the second nitrogen pipeline
(351) it is connected to the nitrogen gas tank (34), the bottom of injection case (35) is connected to by injection pipeline (352) with peace note
(324) connection is managed, with the reactor core that dense boric acid can be injected using pressure difference in the pressure vessel (1).
10. the reactor voltage-stabilizing system (3) according to claim 9 for having peace pouring functions, which is characterized in that described second
Nitrogen pipeline (351) is equipped with the 4th isolating valve (353) for controlling the second nitrogen pipeline (351) switch and prevents nitrogen
The second check-valve (354) that gas flows back to the nitrogen gas tank (34), the injection pipeline (352) are equipped with for controlling the note
The third check-valves for entering the 5th isolating valve (355) of pipeline (352) switch and preventing dense boric acid from flowing back to injection case (35)
(356).
11. the reactor voltage-stabilizing system (3) according to any one of claims 1 to 4 for having peace pouring functions, feature exists
In the voltage-stabilizing system (3) further includes after-treatment device (36), and the after-treatment device (36) passes through nitrogen discharge pipeline
(361) it is connected to the airflow line (33), to be collected to nitrogen.
12. the reactor voltage-stabilizing system (3) according to claim 11 for having peace pouring functions, which is characterized in that the nitrogen
Gas discharge pipe line (361) is equipped with the 6th isolating valve (362).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535248.8U CN209029112U (en) | 2018-09-19 | 2018-09-19 | A kind of reactor voltage-stabilizing system having peace pouring functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821535248.8U CN209029112U (en) | 2018-09-19 | 2018-09-19 | A kind of reactor voltage-stabilizing system having peace pouring functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029112U true CN209029112U (en) | 2019-06-25 |
Family
ID=66904714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821535248.8U Active CN209029112U (en) | 2018-09-19 | 2018-09-19 | A kind of reactor voltage-stabilizing system having peace pouring functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209029112U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300556A (en) * | 2018-09-19 | 2019-02-01 | 中广核研究院有限公司 | A kind of reactor voltage-stabilizing system having peace pouring functions |
-
2018
- 2018-09-19 CN CN201821535248.8U patent/CN209029112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300556A (en) * | 2018-09-19 | 2019-02-01 | 中广核研究院有限公司 | A kind of reactor voltage-stabilizing system having peace pouring functions |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103903659B (en) | Floating nuclear power plant Heat Discharging System of Chinese | |
| KR101447028B1 (en) | Multi stage safety injection device and passive safety injection system having the same | |
| CA2830874C (en) | Passive residual heat removal system and nuclear power plant equipment | |
| CN109903863B (en) | Safe injection system and nuclear power system | |
| CN201788707U (en) | Safety system for ensuring safety of nuclear power station | |
| CN202887745U (en) | Active and passive combined safety shell heat extraction device | |
| CN107644693B (en) | Naval reactor and once through steam generator Passive residual heat removal system | |
| CN104299655A (en) | A method of cooling a nuclear reactor | |
| CN105810256A (en) | Passive residual heat removal system for nuclear power plant | |
| CN101847451A (en) | Safety injection system | |
| CN102750993B (en) | There is the passive containment accidental depressurization system of gas entrapments function of releasing | |
| CN102881342A (en) | Active and passive combined heat removal device for containment | |
| WO2014048292A1 (en) | Combined active and passive reactor core water injection and heat removal apparatus | |
| MX2013003220A (en) | Low pressure reactor safety systems and methods. | |
| CN107665742B (en) | It is active to meet an urgent need residual heat removal system with the passive naval reactor that combines | |
| JPH0411836B2 (en) | ||
| CN103545001B (en) | Use the passive safety injection system of Safety Injection case | |
| CN102903402A (en) | Advanced secondary side core heat lead-out device | |
| CN104575636B (en) | A kind of low discharge backflow and current limiting control apparatus | |
| CN209029112U (en) | A kind of reactor voltage-stabilizing system having peace pouring functions | |
| KR101250479B1 (en) | Apparatus for safety improvement of passive type emergency core cooling system with a safeguard vessel and Method for heat transfer-function improvement using thereof | |
| CN210956180U (en) | Nuclear power safety injection system and nuclear power system | |
| CN105070326A (en) | Primary loop feeding and discharging system for nuclear power plant | |
| CN209232422U (en) | The coolant of reactor and reactor emergency injected system | |
| US4239596A (en) | Passive residual heat removal system for nuclear power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |