CN109378094A - The temprature control method of containment spray system flow rate control method and containment - Google Patents

The temprature control method of containment spray system flow rate control method and containment Download PDF

Info

Publication number
CN109378094A
CN109378094A CN201811372040.3A CN201811372040A CN109378094A CN 109378094 A CN109378094 A CN 109378094A CN 201811372040 A CN201811372040 A CN 201811372040A CN 109378094 A CN109378094 A CN 109378094A
Authority
CN
China
Prior art keywords
threshold value
hydrogen
density
value
controller
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
Application number
CN201811372040.3A
Other languages
Chinese (zh)
Inventor
王浩宇
洪振旻
姜磊
张宇宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
CGN Power Co Ltd
China Nuclear Power Operation Co Ltd
Original Assignee
China General Nuclear Power Corp
CGN Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China General Nuclear Power Corp, CGN Power Co Ltd filed Critical China General Nuclear Power Corp
Priority to CN201811372040.3A priority Critical patent/CN109378094A/en
Publication of CN109378094A publication Critical patent/CN109378094A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C15/00Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/18Emergency cooling arrangements; Removing shut-down heat
    • G21C15/182Emergency cooling arrangements; Removing shut-down heat comprising powered means, e.g. pumps
    • 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
    • Y02E30/30Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)

Abstract

The invention discloses containment spray system flow rate control method and the temprature control methods of containment.Above-mentioned flow rate control method includes the following steps: the threshold value C1 that an at least density of hydrogen is preset in controller;The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;The density of hydrogen value E is compared by the controller with the threshold value C1, when the density of hydrogen value E is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is greater than or equal to the threshold value C1, the controller is controlled the spray system and is sprayed with flow velocity Q1 or with the maximum flow rate of the spray system.Containment spray system flow rate control method of the present invention can be automatically controled spray system flow velocity, and then automatically control containment temperature.

Description

The temprature control method of containment spray system flow rate control method and containment
Technical field
The present invention relates to nuclear power ventilating system technical fields, and in particular to containment spray system flow rate control method and peace The temprature control method of full shell.
Background technique
Gas composition under the quasi- accident conditions of nuclear power plant's hyper-base and major accident in containment is to be with air and vapor It is main, the high temperature and humidity mixed gases containing hydrogen and other gases.The source of hydrogen: 1, accident early stage, zirconium-water reaction high speed Generate hydrogen to rate;2, accident middle and later periods, irradiation decomposition, the reaction of reactor core melt and dissolved object and concrete of water can also generate a large amount of Hydrogen.Under accident conditions, reactor releases a large amount of heat, and the temperature in containment may be up to 180 DEG C, while generate a large amount of Vapor.The content of vapor and hydrogen constantly changes with the process of accident, in order to prevent fault spread, it is necessary to containment Cool down.
Traditional containment decrease temperature and pressure relies on active containment spray system, will be arranged in containment by electrodynamic pump Cooling water in the material-changing water tank of interior bottom is extracted to the containment spray system being arranged at the top of containment, but cannot be according to ring The flow of the concentration and intelligent control spray system of hydrogen in border, to control containment temperature.
Summary of the invention
Based on this, it is necessary to provide one kind can be automatically controled spray system flow velocity by the present invention, and then automatically controls containment The containment spray system flow rate control method of temperature.
The present invention there is a need to provide a kind of temprature control method of containment.
In order to achieve the object of the present invention, the invention adopts the following technical scheme:
A kind of containment spray system flow rate control method, the coolant for controlling spray system sprays flow velocity, with right Containment cools down comprising following steps:
An at least density of hydrogen threshold value C1 is preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with density of hydrogen threshold value, when the density of hydrogen value E is small When the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is more than or equal to described When threshold value C1, the controller is controlled the spray system and is sprayed with flow velocity Q1 or with the maximum flow rate of the spray system Leaching.
Above-mentioned containment spray system flow rate control method will be examined by the way that density of hydrogen threshold value is arranged in controller Density of hydrogen value and the threshold value measured compares, and exports corresponding flow speed value by comparing result, controls spray system with the stream Speed is sprayed, and then automatically controls containment cooling.
In some of embodiments, the containment spray system flow rate control method includes the following steps:
The threshold value C1 and threshold value C2 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1 with threshold value C2, when the hydrogen is dense When angle value E is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is in the threshold Between value C1 and threshold value C2 or when being equal to the threshold value C1, the controller is controlled the spray system and is sprayed with flow velocity Q1 Leaching, when the density of hydrogen value is greater than or equal to the threshold value C2, the controller controls the spray system with flow velocity Q2 Or sprayed with the maximum flow rate of the spray system, wherein C1 < C2, Q1 < Q2.
In some of embodiments, the containment spray system flow rate control method includes the following steps:
The threshold value C1, threshold value C2 and threshold value C3 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1, threshold value C2 and threshold value C3, when described When density of hydrogen value is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value exists Between the threshold value C1 and threshold value C2 or when being equal to the threshold value C1, the controller control the spray system with flow velocity Q1 into Row spray, when the density of hydrogen value is between the threshold value C2 and threshold value C3 or is equal to the threshold value C2, the controller The spray system is controlled to be sprayed with flow velocity Q2, it is described when the density of hydrogen value is greater than or equal to the threshold value C3 Controller is controlled the spray system and is sprayed with flow velocity Q3 or with the maximum flow rate of the spray system, wherein C1 < C2 < C3, Q1 < Q2 < Q3.
In some of embodiments, the containment spray system flow rate control method includes the following steps:
Threshold value C1, threshold value C2, threshold value C3 and the threshold value C4 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The controller compares the density of hydrogen value E and the threshold value C1, threshold value C2, threshold value C3 and threshold value C4 Compared with when the density of hydrogen value is less than the threshold value C1, the controller controls the spray system and closes, when the hydrogen Concentration value is between the threshold value C1 and threshold value C2 or when being equal to the threshold value C1, the controller control the spray system with Flow velocity Q1 is sprayed, when the density of hydrogen value is between the threshold value C2 and threshold value C3 or is equal to the threshold value C2, institute It states the controller control spray system to be sprayed with flow velocity Q2, when the density of hydrogen value is in the threshold value C3 and threshold value C4 Between or when being equal to the threshold value C3, the controller is controlled the spray system and is sprayed with flow velocity Q3, when the hydrogen When concentration value is greater than or equal to the threshold value C4, the controller controls the spray system with flow velocity Q4 or with the spray The maximum flow rate of system is sprayed, wherein C1 < C2 < C3 < C4, Q1 < Q2 < Q3 < Q4.
In some of embodiments, temperature sensor, the temperature sensor and the control are set in the containment Device electrical connection processed, temperature signal is sent to the controller by the temperature sensor, when the controller receives the peace When temperature in full shell is down to preset temperature, the controller controls the spray system and stops spray.
The present invention also provides a kind of temprature control methods of containment comprising following steps:
The threshold value C1 of an at least density of hydrogen is preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with density of hydrogen threshold value C1, as the density of hydrogen value E When less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value E is greater than or equal to institute When stating threshold value C1, the controller is controlled the spray system and is sprayed with flow velocity Q1 or with the maximum flow rate of the spray system The containment is down to preset temperature by the t1 time.
In some of embodiments, the temprature control method of the containment includes the following steps:
The threshold value C1 and threshold value C2 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1 with threshold value C2, when the hydrogen is dense When angle value E is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is in the threshold Between value C1 and threshold value C2 or when being equal to the threshold value C1, when the controller controls the spray system with flow velocity Q1 spray t1 Between, when the density of hydrogen value is greater than or equal to the threshold value C2, the controller controls the spray system with flow velocity Q2 Or the t2 time is sprayed with the maximum flow rate of the spray system, wherein C1 < C2, Q1 < Q2.
In some of embodiments, the temprature control method of the containment includes the following steps:
The threshold value C1, threshold value C2 and threshold value C3 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1, threshold value C2 and threshold value C3, when described When density of hydrogen value is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value exists Between the threshold value C1 and threshold value C2 or when being equal to the threshold value C1, the controller controls the spray system with flow velocity Q1 spray The t1 time is drenched, when the density of hydrogen value is between the threshold value C2 and threshold value C3 or is equal to the threshold value C2, the control Device controls the spray system and sprays the t2 time with flow velocity Q2, when the density of hydrogen value is greater than or equal to the threshold value C3, The controller controls the spray system and sprays the t3 time with flow velocity Q3 or with the maximum flow rate of the spray system, In, C1 < C2 < C3, Q1 < Q2 < Q3.
In some of embodiments, the temprature control method of the containment includes the following steps:
Threshold value C1, threshold value C2, threshold value C3 and the threshold value C4 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The controller compares the density of hydrogen value E and the threshold value C1, threshold value C2, threshold value C3 and threshold value C4 Compared with when the density of hydrogen value is less than the threshold value C1, the controller controls the spray system and closes, when the hydrogen Concentration value is between the threshold value C1 and threshold value C2 or when being equal to the threshold value C1, the controller control the spray system with Flow velocity Q1 sprays the t1 time, when the density of hydrogen value is between the threshold value C2 and threshold value C3 or is equal to the threshold value C2, The controller controls the spray system and sprays the t2 time with flow velocity Q2, when the density of hydrogen value is in the threshold value C3 and threshold Between value C4 or when being equal to the threshold value C3, the controller controls the spray system and sprays the t3 time with flow velocity Q3, works as institute When stating density of hydrogen value more than or equal to the threshold value C4, when the controller controls the spray system with flow velocity Q4 spray t4 Between or the t5 time sprayed with the maximum flow rate of the spray system, wherein C1 < C2 < C3 < C4, Q1 < Q2 < Q3 < Q4.
In some of embodiments, temperature sensor, the temperature sensor and the control are set in the containment Device electrical connection processed, temperature signal is sent to the controller by the temperature sensor, when the controller receives the peace When temperature in full shell is down to preset temperature, the controller controls the spray system and stops spray.
Detailed description of the invention
Fig. 1 is the fit structure schematic diagram of spray system and containment described in a preferred embodiment of the present invention;
Fig. 2 is the flow chart of containment spray system flow rate control method described in the embodiment of the present invention one;
Fig. 3 is the flow chart of containment spray system flow rate control method described in the embodiment of the present invention two;
Fig. 4 is the flow chart of containment spray system flow rate control method described in the embodiment of the present invention three;
Fig. 5 is the flow chart of containment spray system flow rate control method described in the embodiment of the present invention four.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.But the present invention can be to be permitted Mostly different form is realized, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes It is more thorough and comprehensive to the understanding of the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Embodiment one
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of containment spray system flow rate control method, for controlling spray The coolant of system 30 sprays flow velocity, to automatically control the temperature of containment 10, includes the following steps: in controller 40 in advance The threshold value C1 of an at least density of hydrogen is set, detects the density of hydrogen in containment 10, and density of hydrogen value is transmitted to control Density of hydrogen value E is compared by device 40, controller 40 with above-mentioned threshold value C1, when density of hydrogen value E is less than above-mentioned threshold value C1 When, controller 40 controls spray system 30 and closes, without spraying cooling, when density of hydrogen value E is greater than or equal to threshold value C1, Controller 40 is controlled spray system 30 and is sprayed with flow velocity Q1 or with the maximum flow rate of spray system 30, is dropped by spraying The temperature of lower security shell 10.
Bottom in containment 10 therein is equipped with material-changing water tank 20, has coolant, containment 10 in material-changing water tank 20 Top be equipped with spray system 30, spray system 30 has spray tube 31 and elevator pump 32, the spray tube 31 at the top of containment 10 With multiple spray heads 33, spray system 30 is promoted by elevator pump 32 and pipeline connection material-changing water tank 20, the electrical connection of controller 40 Pump 32, controller 40 control the opening and closing of spray system 30 by the opening and closing of control elevator pump 32, pass through control elevator pump 32 Revolving speed is to control the flow velocity of spray system 30.Certainly, spray system 30 can also be connected to the splendid attire of the coolant outside containment 10 Container is not limited by material-changing water tank 20 and is sprayed to be sprayed.
The density of hydrogen in containment 10 is detected by a gas flow rate meter 60, gas flow rate meter 60 is electrically connected controller 40, controller 40 is transmitted to the density of hydrogen value that will test.It is of course also possible to detect hydrogen by other detection systems Gas concentration, for example, by using density of hydrogen detection device disclosed in utility model patent " CN201811936U ".
Certainly, multiple threshold values and corresponding multiple flow velocitys can also be arranged in above-mentioned controller 40, with a point multiple flow velocitys Section is sprayed.
Further, temperature sensor can also be set in containment 10, it, should with the temperature in real-time monitoring containment 10 Temperature sensor can be electrically connected with controller 40, and temperature signal is sent to controller 40, when controller 40 receives containment When temperature in 10 is reduced to preset temperature, controller 40 controls spray system 30 and stops spray.
Embodiment two
Referring to figure 3., different from embodiment one the present embodiment provides a kind of containment spray system flow rate control method It is the threshold value C1 and threshold value C2 for including the following steps: to preset an at least density of hydrogen in controller 40, C1 < C2, inspection The density of hydrogen in containment 10 is surveyed, and density of hydrogen value E is transmitted to controller 40, controller 40 is by density of hydrogen value and hydrogen Gas concentration threshold value C1, C2 is compared, when density of hydrogen value E is less than density of hydrogen threshold value C1, the control spray of controller 40 system System is closed, without spraying cooling;When density of hydrogen value E is between threshold value C1 and threshold value C2 or is equal to threshold value C1, controller Control spray system 30 is sprayed with flow velocity Q1, when density of hydrogen value E is greater than or equal to threshold value C2, controller control spray System 30 is sprayed with the maximum flow rate of flow velocity Q2 or spray system 30, wherein Q1 < Q2.I.e. density of hydrogen value E is bigger, Flow velocity is bigger.
Embodiment three
Referring to figure 4., the present embodiment also provides a kind of containment spray system flow rate control method, with embodiment one and in fact It applies unlike example two, includes the following steps: to preset the threshold value C1 of an at least density of hydrogen, threshold value C2 in controller 40 And threshold value C3, C1 < C2 < C3, the density of hydrogen in containment 10 is detected, and density of hydrogen value E is transmitted to controller 40, when When density of hydrogen value E is less than threshold value C1, controller 40 controls spray system 30 and closes, when density of hydrogen value E is in threshold value C1 and threshold Between value C2 or when being equal to threshold value C1, controller 40 is controlled spray system 30 and is sprayed with flow velocity Q1, when density of hydrogen value E exists Between threshold value C2 and threshold value C3 or when being equal to threshold value C2, controller 40 is controlled spray system 30 and is sprayed with flow velocity Q2, works as hydrogen When gas concentration value E is greater than or equal to threshold value C3, controller 40 controls spray system 30 with flow velocity Q3 or spray system 30 most Big flow velocity is sprayed, wherein C1 < C2 < C3, Q1 < Q2 < Q3.
Example IV
Referring to figure 5., the present embodiment also provides a kind of containment spray system flow rate control method, with embodiment one to reality It applies unlike example three, includes the following steps: to preset the threshold value C1 of an at least density of hydrogen, threshold value in controller 40 C2, threshold value C3 and threshold value C4, C1 < C2 < C3 < C4 detect the density of hydrogen in containment 10, and density of hydrogen value E are transmitted To controller 40, when density of hydrogen value E is less than threshold value C1, controller 40 controls spray system 30 and closes, as density of hydrogen value E Between threshold value C1 and threshold value C2 or when being equal to threshold value C1, controller 40 is controlled spray system 30 and is sprayed with flow velocity Q1, when For density of hydrogen value E between threshold value C2 and threshold value C3 or when being equal to threshold value C2, controller 40 controls spray system 30 with flow velocity Q2 It is sprayed, when density of hydrogen value E is between threshold value C3 and threshold value C4 or is equal to threshold value C3, controller 40 controls spray system 30 are sprayed with flow velocity Q3, and when density of hydrogen value E is greater than or equal to threshold value C4, controller 40 controls spray system 30 to flow Fast Q4 or the maximum flow rate of spray system 30 are sprayed, wherein C1 < C2 < C3 < C4, Q1 < Q2 < Q3 < Q4.
Embodiment five
The present invention also protects a kind of temprature control method of containment, includes the following steps: to set in advance in controller 40 The threshold value C1 of an at least density of hydrogen is set, detects the density of hydrogen in containment 10, and density of hydrogen value E is transmitted to controller 40, density of hydrogen value E is compared by controller 40 with density of hydrogen threshold value C1, when density of hydrogen value E is less than threshold value C1, control Device 40 processed controls spray system 30 and closes, and without spraying cooling, when density of hydrogen value E is greater than threshold value C1, controller 40 is controlled Spray system 30 processed sprays preset time with flow velocity Q1 or the maximum flow rate of spray system 30, reduces containment by spraying 10 temperature.
It can be calculated in controller 40 and spray that the time how long can drop to preset temperature by great flow velocity, by This, controller 40 can select the preset time, more easily be controlled when being sprayed with corresponding to flow velocity.Such as It is preset in controller 40 when with flow velocity Q1 spray, the spray t1 time can drop to preset temperature, then when spray system 30 When with flow velocity Q1 spray, the control spray t1 time.Other flow velocitys and so on.
Further, temperature sensor can also be set in containment 10, it, should with the temperature in real-time monitoring containment 10 Temperature sensor can be electrically connected with controller 40, and temperature signal is sent to controller 40, when controller 40 receives containment When temperature in 10 is reduced to preset temperature, controller 40 controls spray system 30 and stops spray.
Embodiment six
The present embodiment also provides a kind of temprature control method of containment, walks unlike embodiment five, including as follows It is rapid: the C1 and threshold value C2 of an at least density of hydrogen threshold value to be preset in controller 40, C1 < C2 is detected in containment 10 Density of hydrogen, and density of hydrogen value E is transmitted to controller 40, controller 40 by density of hydrogen value and density of hydrogen threshold value C1, C2 is compared, and when density of hydrogen value E is less than density of hydrogen threshold value C1, controller 40 controls spray system and closes, without Spraying cooling;When density of hydrogen value E is between threshold value C1 and threshold value C2 or is equal to threshold value C1, controller controls spray system 30 The t1 time is sprayed with flow velocity Q1, when density of hydrogen value E is greater than or equal to threshold value C2, controller controls spray system 30 with flow velocity Q2 or the maximum flow rate of spray system 30 spray the t2 time, wherein Q1 < Q2.I.e. density of hydrogen value E is bigger, and flow velocity is bigger.
Embodiment seven
The present embodiment also provides a kind of temprature control method of containment, unlike embodiment five and embodiment six, Include the following steps: threshold value C1, threshold value C2 that an at least density of hydrogen is preset in controller 40 and threshold value C3, C1 < C2 < C3 detects the density of hydrogen in containment 10, and density of hydrogen value E is transmitted to controller 40, when density of hydrogen value E is less than When threshold value C1, controller 40 controls spray system 30 and closes, when density of hydrogen value E is between threshold value C1 and threshold value C2 or equal to threshold When value C1, controller 40 controls spray system 30 and sprays the t1 time with flow velocity Q1, when density of hydrogen value E is in threshold value C2 and threshold value C3 Between or be equal to threshold value C2 when, controller 40 control spray system 30 with flow velocity Q2 spray the t2 time, when density of hydrogen value E is greater than Or when being equal to threshold value C3, when controller 40 controls spray system 30 with the flow velocity Q3 or maximum flow rate of spray system 30 spray t3 Between, wherein C1 < C2 < C3, Q1 < Q2 < Q3.
Embodiment eight
The present embodiment also provides a kind of temprature control method of containment, unlike embodiment five to embodiment seven, Include the following steps: threshold value C1, threshold value C2, threshold value C3 and threshold value that an at least density of hydrogen is preset in controller 40 C4, C1 < C2 < C3 < C4 detect the density of hydrogen in containment 10, and density of hydrogen value E are transmitted to controller 40, work as hydrogen When gas concentration value E is less than threshold value C1, controller 40 controls spray system 30 and closes, when density of hydrogen value E is in threshold value C1 and threshold value Between C2 or when being equal to threshold value C1, controller 40 controls spray system 30 and sprays the t1 time with flow velocity Q1, when density of hydrogen value E exists Between threshold value C2 and threshold value C3 or when being equal to threshold value C2, controller 40 controls spray system 30 and sprays the t2 time with flow velocity Q2, when For density of hydrogen value E between threshold value C3 and threshold value C4 or when being equal to threshold value C3, controller 40 controls spray system 30 with flow velocity Q3 Spray the t3 time, when density of hydrogen value E is greater than or equal to threshold value C4, controller 40 control spray system 30 with flow velocity Q4 or The maximum flow rate of spray system 30 sprays the t4 time, wherein C1 < C2 < C3 < C4, Q1 < Q2 < Q3 < Q4.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of containment spray system flow rate control method, the coolant for controlling spray system sprays flow velocity, to peace Full shell cools down, which comprises the steps of:
The threshold value C1 of an at least density of hydrogen is preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1, when the density of hydrogen value E is less than described When threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is greater than or equal to the threshold value C1 When, the controller is controlled the spray system and is sprayed with flow velocity Q1 or with the maximum flow rate of the spray system.
2. containment spray system flow rate control method according to claim 1, which comprises the steps of:
The threshold value C1 and threshold value C2 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1 with threshold value C2, as the density of hydrogen value E When less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is in the threshold value C1 Between threshold value C2 or when being equal to the threshold value C1, the controller is controlled the spray system and is sprayed with flow velocity Q1, when When the density of hydrogen value is greater than or equal to the threshold value C2, the controller control the spray system with flow velocity Q2 or with The maximum flow rate of the spray system is sprayed, wherein C1 < C2, Q1 < Q2.
3. containment spray system flow rate control method according to claim 1 or 2, which is characterized in that including walking as follows It is rapid:
The threshold value C1, threshold value C2 and threshold value C3 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1, threshold value C2 and threshold value C3, when the hydrogen When concentration value is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is described Between threshold value C1 and threshold value C2 or when being equal to the threshold value C1, the controller is controlled the spray system and is sprayed with flow velocity Q1 Leaching, when the density of hydrogen value is between the threshold value C2 and threshold value C3 or is equal to the threshold value C2, the controller control The spray system is sprayed with flow velocity Q2, when the density of hydrogen value is greater than or equal to the threshold value C3, the control Device is controlled the spray system and is sprayed with flow velocity Q3 or with the maximum flow rate of the spray system, wherein C1 < C2 < C3, Q1 < Q2 < Q3.
4. containment spray system flow rate control method according to claim 1 or 2, which is characterized in that including walking as follows It is rapid:
Threshold value C1, threshold value C2, threshold value C3 and the threshold value C4 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1, threshold value C2, threshold value C3 and threshold value C4, when When the density of hydrogen value is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen For value between the threshold value C1 and threshold value C2 or when being equal to the threshold value C1, the controller controls the spray system with flow velocity Q1 is sprayed, when the density of hydrogen value is between the threshold value C2 and threshold value C3 or is equal to the threshold value C2, the control Device processed is controlled the spray system and is sprayed with flow velocity Q2, when the density of hydrogen value is between the threshold value C3 and threshold value C4 Or when being equal to the threshold value C3, the controller is controlled the spray system and is sprayed with flow velocity Q3, when the density of hydrogen When value is greater than or equal to the threshold value C4, the controller controls the spray system with flow velocity Q4 or with the spray system Maximum flow rate sprayed, wherein C1 < C2 < C3 < C4, Q1 < Q2 < Q3 < Q4.
5. containment spray system flow rate control method according to claim 1, which is characterized in that in the containment Temperature sensor is set, and the temperature sensor is electrically connected with the controller, and the temperature sensor sends temperature signal To the controller, when the controller, which receives the temperature in the containment, is down to preset temperature, the controller control It makes the spray system and stops spray.
6. a kind of temprature control method of containment, which comprises the steps of:
The threshold value C1 of an at least density of hydrogen is preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1, when the density of hydrogen value E is less than described When threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value E is greater than or equal to the threshold value C1 When, the controller controls the spray system and sprays the t1 time with flow velocity Q1 or with the maximum flow rate of the spray system, The containment is down to preset temperature.
7. the temprature control method of containment according to claim 6, which comprises the steps of:
The threshold value C1 and threshold value C2 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1 with threshold value C2, as the density of hydrogen value E When less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is in the threshold value C1 Between threshold value C2 or when being equal to the threshold value C1, the controller controls the spray system and sprays the t1 time with flow velocity Q1, When the density of hydrogen value is greater than or equal to the threshold value C2, the controller control the spray system with flow velocity Q2 or The t2 time is sprayed with the maximum flow rate of the spray system, wherein C1 < C2, Q1 < Q2.
8. the temprature control method of containment according to claim 6 or 7, which comprises the steps of:
The threshold value C1, threshold value C2 and threshold value C3 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1, threshold value C2 and threshold value C3, when the hydrogen When concentration value is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen value is described Between threshold value C1 and threshold value C2 or when being equal to the threshold value C1, the controller controls the spray system and sprays t1 with flow velocity Q1 Time, when the density of hydrogen value is between the threshold value C2 and threshold value C3 or is equal to the threshold value C2, the controller control It makes the spray system and the t2 time is sprayed with flow velocity Q2, it is described when the density of hydrogen value is greater than or equal to the threshold value C3 Controller controls the spray system and sprays the t3 time with flow velocity Q3 or with the maximum flow rate of the spray system, wherein C1 < C2 < C3, Q1 < Q2 < Q3.
9. the temprature control method of containment according to claim 6 or 7, which comprises the steps of:
Threshold value C1, threshold value C2, threshold value C3 and the threshold value C4 of density of hydrogen are preset in controller;
The density of hydrogen in containment is detected, and the density of hydrogen value E is transmitted to the controller;
The density of hydrogen value E is compared by the controller with the threshold value C1, threshold value C2, threshold value C3 and threshold value C4, when When the density of hydrogen value is less than the threshold value C1, the controller controls the spray system and closes, when the density of hydrogen For value between the threshold value C1 and threshold value C2 or when being equal to the threshold value C1, the controller controls the spray system with flow velocity Q1 sprays the t1 time, described when the density of hydrogen value is between the threshold value C2 and threshold value C3 or is equal to the threshold value C2 Controller controls the spray system and sprays the t2 time with flow velocity Q2, when the density of hydrogen value is in the threshold value C3 and threshold value C4 Between or when being equal to the threshold value C3, the controller controls the spray system and sprays the t3 time with flow velocity Q3, when the hydrogen When gas concentration value is greater than or equal to the threshold value C4, the controller control the spray system with flow velocity Q4 spray the t4 time or Person sprays the t5 time with the maximum flow rate of the spray system, wherein C1 < C2 < C3 < C4, Q1 < Q2 < Q3 < Q4.
10. the temprature control method of containment according to claim 6, which is characterized in that be arranged in the containment Temperature sensor, the temperature sensor are electrically connected with the controller, and temperature signal is sent to institute by the temperature sensor Controller is stated, when the controller, which receives the temperature in the containment, is down to preset temperature, the controller controls institute It states spray system and stops spray.
CN201811372040.3A 2018-11-16 2018-11-16 The temprature control method of containment spray system flow rate control method and containment Pending CN109378094A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811372040.3A CN109378094A (en) 2018-11-16 2018-11-16 The temprature control method of containment spray system flow rate control method and containment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811372040.3A CN109378094A (en) 2018-11-16 2018-11-16 The temprature control method of containment spray system flow rate control method and containment

Publications (1)

Publication Number Publication Date
CN109378094A true CN109378094A (en) 2019-02-22

Family

ID=65389671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811372040.3A Pending CN109378094A (en) 2018-11-16 2018-11-16 The temprature control method of containment spray system flow rate control method and containment

Country Status (1)

Country Link
CN (1) CN109378094A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112402840A (en) * 2020-11-13 2021-02-26 重庆金康动力新能源有限公司 Fire extinguishing control method for battery pack
CN112604206A (en) * 2020-12-04 2021-04-06 重庆金康动力新能源有限公司 Fire extinguishing system and control method for battery pack

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103971762A (en) * 2014-05-05 2014-08-06 中广核(北京)仿真技术有限公司 Containment vessel for nuclear power plant
KR20140118614A (en) * 2013-03-29 2014-10-08 한국원자력연구원 Coolant spray system of reactor containmnet building
CN105469845A (en) * 2015-11-25 2016-04-06 中广核工程有限公司 Nuclear power station concrete containment spraying system starting device and method thereof
CN106297926A (en) * 2015-05-13 2017-01-04 中国广核集团有限公司 A kind of be applicable to PWR nuclear power plant reload operating mode major accident process method
CN107863169A (en) * 2017-11-15 2018-03-30 中广核工程有限公司 The startup method and apparatus of nuclear power plant containment shell spray system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140118614A (en) * 2013-03-29 2014-10-08 한국원자력연구원 Coolant spray system of reactor containmnet building
CN103971762A (en) * 2014-05-05 2014-08-06 中广核(北京)仿真技术有限公司 Containment vessel for nuclear power plant
CN106297926A (en) * 2015-05-13 2017-01-04 中国广核集团有限公司 A kind of be applicable to PWR nuclear power plant reload operating mode major accident process method
CN105469845A (en) * 2015-11-25 2016-04-06 中广核工程有限公司 Nuclear power station concrete containment spraying system starting device and method thereof
CN107863169A (en) * 2017-11-15 2018-03-30 中广核工程有限公司 The startup method and apparatus of nuclear power plant containment shell spray system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112402840A (en) * 2020-11-13 2021-02-26 重庆金康动力新能源有限公司 Fire extinguishing control method for battery pack
CN112604206A (en) * 2020-12-04 2021-04-06 重庆金康动力新能源有限公司 Fire extinguishing system and control method for battery pack
CN112604206B (en) * 2020-12-04 2022-04-26 重庆金康动力新能源有限公司 Fire extinguishing system and control method for battery pack

Similar Documents

Publication Publication Date Title
CN109378094A (en) The temprature control method of containment spray system flow rate control method and containment
CN205080117U (en) External how gaseous detection device
CN104157318B (en) Nuclear power station hydrogeneous Spent Radioactive gas processing system
CN209088620U (en) A kind of power distribution automation monitor terminal
CN107596592A (en) A kind of converter valve fire extinguishing terminal and its control system
CN109671509A (en) A kind of driving mechanism for control rod of high-temperature gas-cooled apparatus for examination and repair and maintenance craft method
CN110427522A (en) A kind of chemical plant individual secure supervisory systems
CN110043807A (en) A kind of UF6Pipe leakage emergent treatment system
CN113433900A (en) Unattended intelligent centralized control method and system for oil field station
CN203425437U (en) Fire detection and preventive control system for electric control cabinet
CN206027462U (en) Milipore filter post on -line monitoring chemical cleaning device
CN111626555A (en) Fire-fighting equipment operation warning and state evaluation system and device
CN105353791B (en) A kind of humidification control system and control method
CN207521140U (en) A kind of disassembling discarded refrigerator crusher fireproof fire-extinguishing system
CN109276990B (en) Circulating pump consumption reduction intelligent management system
CN109581533A (en) A kind of active coke desulphurizing elephant trunk putty detection method
CN110426994A (en) A kind of chemical plant safety on line supervisory systems
CN107158607A (en) A kind of server extinguishing device
CN206282165U (en) A kind of spirulina intelligent digital monitors cultivation apparatus
CN105148441A (en) Fire protection monitoring system based on smart spraying heads
CN109060040A (en) A kind of cultivation farm monitoring system
CN103871505A (en) Automatic rapid cooling method for nuclear power plant steam discharge system
CN103971762B (en) A kind of npp safety shell
CN105304149B (en) Alpha contamination measurement flow in overhaul process of fuel defective unit of mega-kilowatt nuclear power plant
CN210804125U (en) Static pressure type liquid level control system

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: 20190222

RJ01 Rejection of invention patent application after publication