CN106782720A - A kind of utilization auxiliary steam heating and the system and method for cooling start and stop heaping equipment - Google Patents

A kind of utilization auxiliary steam heating and the system and method for cooling start and stop heaping equipment Download PDF

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Publication number
CN106782720A
CN106782720A CN201710115011.8A CN201710115011A CN106782720A CN 106782720 A CN106782720 A CN 106782720A CN 201710115011 A CN201710115011 A CN 201710115011A CN 106782720 A CN106782720 A CN 106782720A
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steam
outlet
temperature
electric boiler
entrance
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CN106782720B (en
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刘俊峰
高景辉
张亚夫
孟颖琪
王红雨
马晓珑
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Xian Thermal Power Research Institute Co Ltd
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Xian Thermal Power Research Institute Co Ltd
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21DNUCLEAR POWER PLANT
    • G21D3/00Control of nuclear power plant
    • G21D3/08Regulation of any parameters in the plant
    • G21D3/12Regulation of any parameters in the plant by adjustment of the reactor in response only to changes in engine demand
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21DNUCLEAR POWER PLANT
    • G21D3/00Control of nuclear power plant
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Abstract

The invention discloses a kind of heating of utilization auxiliary steam and the system and method for cooling start and stop heaping equipment,The outlet of reactor is connected with steam generator side entrance,The entrance of reactor is connected with steam generator side outlet,The secondary side outlet of steam generator is connected with the entrance of steam-water separator,The outlet of steam-water separator is connected with the entrance of steam by-pass,The outlet of steam by-pass is connected with the entrance of the entrance of condenser and oxygen-eliminating device,The high-temperature steam outlet of electric boiler is aided in be connected with the entrance of steam-water separator,The reduced temperature steam outlet of electric boiler is aided in be connected with the secondary side entrance of steam generator,The system and method can realize quick response of the start and stop heaping equipment in the normal shutdown process of unit,The quick cooling of reactor can be realized under unit failure operating mode,And the reliability and safety during HTGR Unit Commitment is higher.

Description

A kind of utilization auxiliary steam heating and the system and method for cooling start and stop heaping equipment
Technical field
The invention belongs to technical field of nuclear power, the system for being related to a kind of utilization auxiliary steam to heat and cool down start and stop heaping equipment And method.
Background technology
Ball bed modular high temperature gas cooled reactor nuclear power station start and stop heaping equipment is mainly used to adjust nuclear island steam in start-up course Generator exports steam parameter meets steam turbine and starts and requires, pass-out steam generator exports steam is to condensing during shutdown Device, takes away the heat of reactor generation and ensures the cooling requirement of steam generator and reactor.During Unit Commitment heap, With the change of reactor capability, steam generator outlet working medium experience subcooled water, steam water two phase flow, saturated vapor and overheat are steamed Four kinds of phase transformations of vapour, wherein following working medium to change come dynamic adjusting machine group parameter by start and stop heaping equipment.Therefore, how to improve start and stop Heaping equipment follows the quick response mechanism that reactor capability changes to turn into ensures HTGR nuclear power generating sets safe and stable operation Important leverage.The mentality of designing that prior art is used heats vapour for the stand-by heat by the use of extracted steam from turbine as start and stop heaping equipment Source, in unit hot starting, hot start or stoppage in transit, the pre-add hot vapour source can reduce start and stop heaping equipment high-temperature pipe wall temperature and steam generation The temperature difference of device outlet vapor, is conducive to the quick input of start and stop heaping equipment.But at least there is following drawback in the design:Steamer Machine draws gas need to could be put into after Steam Turbine start completion, and the design is helpless to during unit starting using outside Thermal source improves the quick response of start and stop heaping equipment, while being drawn gas as heating vapour source using steam turbine high-quality, can reduce core The efficiency of utilization of group of motors.
The content of the invention
Shortcoming it is an object of the invention to overcome above-mentioned prior art, there is provided one kind adds hot and cold using auxiliary steam But the system and method for start and stop heaping equipment, the system and method can realize start and stop heaping equipment in the normal shutdown process of unit Quick response, can realize the quick cooling of reactor, and HTGR Unit Commitment process under unit failure operating mode In reliability and safety it is higher.
To reach above-mentioned purpose, utilization auxiliary steam of the present invention is heated and the system of cooling start and stop heaping equipment includes Reactor, steam generator, steam-water separator, steam by-pass, condenser, oxygen-eliminating device and auxiliary electric boiler;
The outlet of reactor is connected with steam generator side entrance, entrance and the steam generator of reactor One time side outlet is connected, and the secondary side outlet of steam generator is connected with the entrance of steam-water separator, steam-water separator Outlet is connected with the entrance of steam by-pass, and the outlet of steam by-pass is connected with the entrance of the entrance of condenser and oxygen-eliminating device, Aid in the high-temperature steam outlet of electric boiler to be connected with the entrance of steam-water separator, aid in the reduced temperature steam outlet of electric boiler and steam The secondary side entrance of vapour generator is connected.
The high-temperature steam outlet of electric boiler is aided in be connected by high-temperature steam valve group with the entrance of steam-water separator.
The reduced temperature steam outlet of electric boiler is aided in be connected by Low Temperature Steam valve group with the secondary side entrance of steam generator It is logical.
The outlet of steam by-pass is connected with the entrance of oxygen-eliminating device by oxygen-eliminating device valve group.
Steam generator is shell-and-tube heat exchanger.
High-temperature steam valve group, oxygen-eliminating device valve group and Low Temperature Steam valve group by be sequentially connected logical non-return valve, stop valve and Regulating valve.
The method of utilization auxiliary steam heating of the present invention and cooling start and stop heaping equipment is comprised the following steps:
The flow of heating is during unit starting:When reactor initial start, will first the low temperature of electric boiler output be aided in Steam is filled with the secondary side of steam generator, and the Low Temperature Steam enters into condensing through steam-water separator, steam by-pass successively In device;With the lifting of reactor capability, when the working medium of steam generator output is changed into steam water two phase flow and temperature by cold water When temperature with Low Temperature Steam is identical, then reduced temperature steam outlet and the steam generator secondary side entrance of cut-out auxiliary electric boiler it Between contact, after the reacted heap of outlet working medium in steam generator secondary side is heated, the outlet of steam generator secondary side When working medium is converted to superheated steam, the outlet working medium of steam generator secondary side enters through steam-water separator, steam by-pass successively To in condenser, the heating to unit is realized;
Cooling process is during unit shutdown:Reactor opens auxiliary electric boiler during shutdown, works as reactor export Vapor (steam) temperature more than or equal to auxiliary electric boiler high-temperature steam outlet output high-temperature steam temperature when, then aiding in electric boiler high The high-temperature steam of warm steam (vapor) outlet output is filled with steam-water separator as low-temperature receiver, and the steam of the output of steam-water separator is through steam In bypassing into condenser;When the high temperature of the vapor (steam) temperature less than the high-temperature steam outlet output of auxiliary electric boiler of reactor export During vapor (steam) temperature, then contacting between the high-temperature steam outlet and steam-water separator that aid in electric boiler is closed, open auxiliary grill pan Contacting between the reduced temperature steam outlet and steam generator of stove, with the Low Temperature Steam for aiding in electric boiler reduced temperature steam outlet to export It is filled with steam generator as low-temperature receiver, the steam of steam generator output is entered into through steam-water separator and steam by-pass successively In condenser, the cooling of reactor is realized;
When emergency shut-down under reactor accident operating mode, then auxiliary electric boiler is opened, to aid in electric boiler Low Temperature Steam to go out The Low Temperature Steam of mouth output is filled with steam generator as low-temperature receiver, and the steam of steam generator secondary side output is successively through carbonated drink Separator and steam by-pass are entered into condenser, while the Low Temperature Steam is sent out in the secondary side of steam generator with steam The primary side of raw device carries out heat exchange, realizes the cooling of reactor.
The invention has the advantages that:
Utilization auxiliary steam heating of the present invention and the system and method for cooling start and stop heaping equipment, in unit starting mistake Cheng Zhong, is filled with the secondary side of steam generator by the Low Temperature Steam for aiding in electric boiler to export, the steaming of steam generator output Vapour is entered into condenser through steam-water separator and steam by-pass successively again, thus realize to steam generator, steam-water separator, Steam by-pass, condenser and the pipeline between them are preheated, and the temperature of each equipment is gone out close to steam generator as early as possible The temperature of mouth working medium, greatly shortens the startup time of reactor, realizes start and stop heaping equipment in the normal shutdown process of unit Quick response, while in unit Cooling at reactor shutdown, be used as by the high-temperature steam and Low Temperature Steam that aid in electric boiler to export cold Source cooling start and stop heaping equipment, making the temperature of start and stop heaping equipment quickly reduces, and greatly shortens the time of reactor shutdown, while When emergency shut-down under reactor accident operating mode, then the Low Temperature Steam for directly being exported by electric donkey boiler is used as low-temperature receiver, makes to open The temperature of shutdown equipment is quickly reduced, it is ensured that safe and stable, the reliability service of equipment.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Wherein, 1 it is reactor, 2 be steam generator, 3 be steam-water separator, 4 be steam by-pass, 5 be condenser, 6 is Auxiliary electric boiler, 7 be Low Temperature Steam valve group, 8 be high-temperature steam valve group, 9 be oxygen-eliminating device valve group, 10 be oxygen-eliminating device.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings:
With reference to Fig. 1, the system of utilization auxiliary steam heating of the present invention and cooling start and stop heaping equipment includes reactor 1st, steam generator 2, steam-water separator 3, steam by-pass 4, condenser 5, oxygen-eliminating device 10 and auxiliary electric boiler 6;Reactor 1 goes out Mouth is connected with a side entrance of steam generator 2, and the entrance of reactor 1 is connected with a side outlet of steam generator 2 Logical, the secondary side outlet of steam generator 2 is connected with the entrance of steam-water separator 3, by the outlet of steam-water separator 3 and steam The entrance on road 4 is connected, and the outlet of steam by-pass 4 is connected with the entrance of the entrance of condenser 5 and oxygen-eliminating device 10, aids in grill pan The high-temperature steam outlet of stove 6 is connected with the entrance of steam-water separator 3, and the reduced temperature steam outlet and steam for aiding in electric boiler 6 are sent out The secondary side entrance of raw device 2 is connected.
The high-temperature steam outlet of electric boiler 6 is aided in be connected by high-temperature steam valve group 8 with the entrance of steam-water separator 3; The reduced temperature steam outlet of electric boiler 6 is aided in be connected by Low Temperature Steam valve group 7 with the secondary side entrance of steam generator 2;Steam The outlet of vapour bypass 4 is connected with the entrance of oxygen-eliminating device 10 by oxygen-eliminating device valve group 9;Steam generator 2 is shell-and-tube heat exchanger; High-temperature steam valve group 8, oxygen-eliminating device valve group 9 and Low Temperature Steam valve group 7 are by being sequentially connected logical non-return valve, stop valve and regulation Valve.
The method of utilization auxiliary steam heating of the present invention and cooling start and stop heaping equipment is comprised the following steps:
The flow of heating is during unit starting:It is first low by aid in electric boiler 6 to export when 1 initial start of reactor Warm steam is filled with the secondary side of steam generator 2, and the Low Temperature Steam is entered into through steam-water separator 3, steam by-pass 4 successively In condenser 5;With the lifting of the power of reactor 1, when the working medium of the output of steam generator 2 is changed into steam water two phase flow by cold water And temperature it is identical with the temperature of Low Temperature Steam when, then reduced temperature steam outlet and the steam generator of cut-out auxiliary electric boiler 62 two times Contact between side entrance, after the reacted heap 1 of outlet working medium in the secondary side of steam generator 2 is heated, steam generator 2 two When the outlet working medium of secondary side is converted to superheated steam, the outlet working medium of the secondary side of steam generator 2 successively through steam-water separator 3, Steam by-pass 4 is entered into condenser 5, realizes the heating to unit;
Cooling process is during unit shutdown:Reactor 1 opens auxiliary electric boiler 6, when reactor 1 during shutdown The vapor (steam) temperature of outlet more than or equal to auxiliary electric boiler 6 high-temperature steam outlet output high-temperature steam temperature when, then aiding in electricity The high-temperature steam of the high-temperature steam outlet of boiler 6 output is filled with steam-water separator 3 as low-temperature receiver, the output of steam-water separator 3 Steam is entered into condenser 5 through steam by-pass 4;When the vapor (steam) temperature of the outlet of reactor 1 is less than the auxiliary high-temperature steam of electric boiler 6 When exporting the high-temperature steam temperature of output, then the connection closed between the high-temperature steam outlet and steam-water separator 3 of auxiliary electric boiler 6 System, opens contacting between the reduced temperature steam outlet and steam generator 2 that aid in electric boiler 6, to aid in the Low Temperature Steam of electric boiler 6 The Low Temperature Steam for exporting output is filled with steam generator 2 as low-temperature receiver, and the steam of the output of steam generator 2 is successively through carbonated drink point Entered into condenser 5 from device 3 and steam by-pass 4, realize the cooling of reactor 1;
When emergency shut-down under the accident conditions of reactor 1, then auxiliary electric boiler 6 is opened, to aid in the Low Temperature Steam of electric boiler 6 The Low Temperature Steam for exporting output is filled with steam generator 2 as low-temperature receiver, and the steam of the secondary side of steam generator 2 output is passed through successively Steam-water separator 3 and steam by-pass 4 are entered into condenser 5, while the Low Temperature Steam is in the secondary side of steam generator 2 Primary side with steam generator 2 carries out heat exchange, realizes the cooling of reactor 1.
Embodiment one
By taking domestic certain HTGR nuclear power generating sets as an example, the nuclear power station is main by two MHTRs and one Platform Turbo-generator Set is constituted, and the utilizable auxiliary steam of the unit is provided by an auxiliary electric boiler 6, the auxiliary electric boiler 6 carry a steam superheater, can continuously provide two kinds of vapour sources of different parameters:Nominal parameter be 41.3t/h, 1.5MPa and 260 DEG C of Low Temperature Steam and nominal parameter is 4t/h, 2.0MPa and 350 DEG C of high-temperature steam, below in conjunction with application project to this Invention specific implementation step is described as follows:
1. heating procedure 1 during unit starting:Low Temperature Steam → Low Temperature Steam valve group 7 → the steaming of the auxiliary output of electric boiler 6 4 → condenser of vapour generator 2 → steam-water separator, 3 → steam by-pass 5;
1) reactor 1 starts to start, and the outlet working medium of steam generator 2 is subcooled water, and pressure is 13.9MPa, and temperature is 105℃;Low Temperature Steam valve group 7 is opened, adjusting the auxiliary reduced temperature steam outlet pressure of electric boiler 6 by Low Temperature Steam valve group 7 is 1.5MPa, temperature is 260 DEG C, simultaneously turns on the pipeline of steam by-pass 4 to condenser 5, starts to carry out pre-warm to start and stop heaping equipment;
2) reactor 1 starts power per liter, and demand for heat is met by adjusting by the steam flow of Low Temperature Steam valve group 7 Amount, after the 13% of the power ascension of reactor 1 to full power, the outlet working medium of steam generator 2 is steam water two phase flow, and pressure is 13.9MPa, temperature is 260 DEG C, closes Low Temperature Steam valve group 7, and start and stop heaping equipment pre-warm terminates.
2. heating procedure 2 during unit starting:High-temperature steam → high-temperature steam 8 → the vapour of valve group of the auxiliary output of electric boiler 6 9 → oxygen-eliminating device of separator 3 → steam by-pass, 4 → oxygen-eliminating device valve group 10;
1) to the 36% of full power, the outlet working medium of steam generator 2 is superheated steam, pressure to the power ascension of reactor 1 Power is 13.9MPa, and temperature is 400 DEG C, isolates steam-water separator 3, is adjusted by steam by-pass 4 and maintained steam turbine steam inlet condition to want Ask, steam turbine starts red switch, grid-connected and on-load;
2) power of reactor 1 is continued to lift up to the 45% of full power, and steam by-pass 4 is beaten to the path blockade of condenser 5 Oxygen-eliminating device valve group 9 is opened, the pressure of the adjustment auxiliary high-temperature steam outlet of electric boiler 6 is 2.0MPa, and temperature is 350 DEG C, by auxiliary The high-temperature steam outlet of electric boiler 6 reclaims steam discharge and is heated for oxygen-eliminating device 10 to stand-by heat steam is filled with steam-water separator 3.
3. cooling process 1 is during unit shutdown:High-temperature steam → steam-water separator 3 → the steaming of the auxiliary output of electric boiler 6 Vapour bypasses 4 → condenser 5;
Cooling process 2 is during unit shutdown:Low Temperature Steam → Low Temperature Steam valve group 7 → the steaming of the auxiliary output of electric boiler 6 4 → condenser of vapour generator 2 → steam-water separator, 3 → steam by-pass 5;
When the power of the initial shutdown of reactor 1 is 45%-the 100% of full power, oxygen-eliminating device valve group 9 is closed, conducting is steamed Vapour bypasses the pipeline of 4 to condenser 5, begins to cool down start and stop heaping equipment, performs cooling process 1;When the power of reactor 1 is down to completely Power less than 45% when, open Low Temperature Steam valve group 7, simultaneously close off high-temperature steam valve group 8, confirm steam by-pass 4 to condensing The pipeline conducting of device 5, performs cooling process 2;When the initial shutdown power of reactor 1 is less than the 45% of full power, directly Perform cooling process 2.
4. unit failure operating mode cooling process 3 is:Low Temperature Steam → Low Temperature Steam the valve group 7 of the auxiliary output of electric boiler 6 → 4 → condenser of steam generator 2 → steam-water separator, 3 → steam by-pass 5.
Unit failure operating mode needs emergency shut-down and derives the waste heat of reactor 1 as early as possible, opens Low Temperature Steam valve group 7, and conducting is steamed Vapour bypasses the pipeline of 4 to condenser 5, performs cooling process 3, while cooling steam 2 secondary side of generator, takes away steam generation The heat of the primary side of device 2, to reach the derivation to the waste heat of reactor 1.

Claims (7)

1. the system that a kind of utilization auxiliary steam is heated and cools down start and stop heaping equipment, it is characterised in that including reactor (1), steam Vapour generator (2), steam-water separator (3), steam by-pass (4), condenser (5), oxygen-eliminating device (10) and auxiliary electric boiler (6);
The outlet of reactor (1) is connected with a side entrance of steam generator (2), and entrance and the steam of reactor (1) are sent out Side outlet of raw device (2) is connected, and the secondary side outlet of steam generator (2) is connected with the entrance of steam-water separator (3) Logical, the outlet of steam-water separator (3) is connected with the entrance of steam by-pass (4), outlet and the condenser (5) of steam by-pass (4) Entrance and the entrance of oxygen-eliminating device (10) be connected, the high-temperature steam outlet of auxiliary electric boiler (6) and entering for steam-water separator (3) Mouth is connected, and the reduced temperature steam outlet of auxiliary electric boiler (6) is connected with the secondary side entrance of steam generator (2).
2. the system that utilization auxiliary steam according to claim 1 is heated and cools down start and stop heaping equipment, it is characterised in that auxiliary The high-temperature steam outlet of electric boiler (6) is helped to be connected by high-temperature steam valve group (8) with the entrance of steam-water separator (3).
3. the system that utilization auxiliary steam according to claim 2 is heated and cools down start and stop heaping equipment, it is characterised in that auxiliary The reduced temperature steam outlet of electric boiler (6) is helped to be connected by Low Temperature Steam valve group (7) with the secondary side entrance of steam generator (2) It is logical.
4. the system that utilization auxiliary steam according to claim 3 is heated and cools down start and stop heaping equipment, it is characterised in that steam The outlet of vapour bypass (4) is connected with the entrance of oxygen-eliminating device (10) by oxygen-eliminating device valve group (9).
5. the system that utilization auxiliary steam according to claim 1 is heated and cools down start and stop heaping equipment, it is characterised in that steam Vapour generator (2) is shell-and-tube heat exchanger.
6. the system that utilization auxiliary steam according to claim 4 is heated and cools down start and stop heaping equipment, it is characterised in that high Warm steam valve group (8), oxygen-eliminating device valve group (9) and Low Temperature Steam valve group (7) are by being sequentially connected logical non-return valve, stop valve and tune Section valve.
7. a kind of method that utilization auxiliary steam is heated and cools down start and stop heaping equipment, it is characterised in that based on described in claim 1 Utilization auxiliary steam heating and cooling start and stop heaping equipment system, comprise the following steps:
The flow of heating is during unit starting:When reactor (1) initial start, the low of electric boiler (6) output will be first aided in Warm steam is filled with the secondary side of steam generator (2), and the Low Temperature Steam is successively through steam-water separator (3), steam by-pass (4) Enter into condenser (5);With the lifting of reactor (1) power, when the working medium of steam generator (2) output is changed by cold water During for steam water two phase flow and temperature identical with the temperature of Low Temperature Steam, then cut-out auxiliary electric boiler (6) reduced temperature steam outlet with Contact between steam generator (2) secondary side entrance, the reacted heap of outlet working medium in steam generator (2) secondary side (1) after heating, when the outlet working medium of steam generator (2) secondary side is converted to superheated steam, steam generator (2) secondary side Outlet working medium is entered into condenser (5) through steam-water separator (3), steam by-pass (4) successively, realizes the heating to unit;
Cooling process is during unit shutdown:Reactor (1) opens auxiliary electric boiler (6) during shutdown, works as reactor (1) vapor (steam) temperature in exit more than or equal to auxiliary electric boiler (6) high-temperature steam outlet output high-temperature steam temperature when, then with The high-temperature steam of auxiliary electric boiler (6) high-temperature steam outlet output is filled with steam-water separator (3) as low-temperature receiver, steam-water separator (3) steam of output is entered into condenser (5) through steam by-pass (4);When the vapor (steam) temperature in reactor (1) exit is less than During the high-temperature steam temperature of auxiliary electric boiler (6) high-temperature steam outlet output, then the high-temperature steam for closing auxiliary electric boiler (6) goes out Mouthful with steam-water separator (3) between contact, open auxiliary electric boiler (6) reduced temperature steam outlet and steam generator (2) it Between contact, using aid in electric boiler (6) reduced temperature steam outlet export Low Temperature Steam be filled with steam generator (2) as low-temperature receiver In, the steam of steam generator (2) output is entered into condenser (5) through steam-water separator (3) and steam by-pass (4) successively, Realize the cooling of reactor (1);
When emergency shut-down under reactor (1) accident conditions, then auxiliary electric boiler (6) is opened, to aid in electric boiler (6) low temperature to steam The Low Temperature Steam of vapor outlet output is filled with steam generator (2) as low-temperature receiver, the steam of steam generator (2) secondary side output Entered into condenser (5) through steam-water separator (3) and steam by-pass (4) successively, while the Low Temperature Steam is in steam generation Primary side in the secondary side of device (2) with steam generator (2) carries out heat exchange, realizes the cooling of reactor (1).
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Publication number Priority date Publication date Assignee Title
CN108278590A (en) * 2018-03-14 2018-07-13 西安热工研究院有限公司 A kind of system and method for HTGR Nuclear Power Plant Cooling at reactor shutdown
CN108278590B (en) * 2018-03-14 2023-08-01 西安热工研究院有限公司 System and method for shutdown cooling of high-temperature gas cooled reactor nuclear power plant
CN109767852A (en) * 2019-02-22 2019-05-17 西安热工研究院有限公司 A kind of secondary circuit security system and its working method for reactor emergency shut-down
CN109767852B (en) * 2019-02-22 2024-06-04 西安热工研究院有限公司 Two-loop safety system for reactor emergency shutdown and working method thereof
CN110010254A (en) * 2019-04-29 2019-07-12 西安热工研究院有限公司 A kind of system and method for three circuit steam-water separation of sodium-cooled fast reactor
CN115083646A (en) * 2022-06-23 2022-09-20 华能核能技术研究院有限公司 Method for quickly cooling steam generator after emergency shutdown of high-temperature gas cooled reactor
CN115083646B (en) * 2022-06-23 2023-06-27 华能核能技术研究院有限公司 Method for rapidly cooling steam generator after emergency shutdown of high-temperature gas cooled reactor

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