CN104934082B - A kind of controlled ocean thermal environment analog systemss of temperature and pressure - Google Patents

A kind of controlled ocean thermal environment analog systemss of temperature and pressure Download PDF

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Publication number
CN104934082B
CN104934082B CN201510331939.0A CN201510331939A CN104934082B CN 104934082 B CN104934082 B CN 104934082B CN 201510331939 A CN201510331939 A CN 201510331939A CN 104934082 B CN104934082 B CN 104934082B
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sea water
temperature
thermal environment
pressure
simulation container
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CN104934082A (en
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徐建军
唐瑜
黄彦平
周慧辉
朱海雁
谭曙时
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China Nuclear Power Research and Design Institute
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China Nuclear Power Research and Design Institute
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C17/00Monitoring; Testing ; Maintaining
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

The invention discloses a kind of controlled ocean thermal environment analog systemss of temperature and pressure, including sea water simulation container, the gas pressurizer being connected with sea water simulation container conduit, it is provided with isolating valve on pipeline between described sea water simulation container and gas pressurizer, described sea water simulation container and gas pressurizer are additionally provided with benefit drain valve respectively, are additionally provided with the adjustable heater of heating power, the adjustable heat exchanger of heat exchange power, temperature measurement component, manometric module and liquidometer in described sea water simulation container;Described sea water simulation container, gas pressurizer and pipeline outer wall are all laid with heat-insulation layer.The present invention solves a difficult problem for sea water thermal environment simulation in Experiment of Thermophysics device under the conditions of continental rise, by the regulation of this system, can set up ocean thermal environment with fast and stable, and have that equipment composition is simple, manipulation is easy, stable performance the features such as.

Description

A kind of controlled ocean thermal environment analog systemss of temperature and pressure
Technical field
The invention belongs to nuclear reactor thermal-hydraulic technical field of research, it is related to a kind of ocean thermal technology's analog systemss, especially It is a kind of controlled ocean thermal environment analog systemss of temperature and pressure.
Background technology
At present, advanced power producer adopts non-passive safety technology to improve the safety of reactor, in order to ensure non- Active Residual heat removal ability and long-term cooling characteristics disclosure satisfy that the requirement of designing technique index, need to carry out non-passive safety system System confirmatory experiment.When carrying out the experimentation of naval vessel power producer passive safety system, because sea is arranged for waste heat Go out system thermal ultimate heat sink, the thermal parameter such as ocean thermal environment can produce to naval vessel power producer passive safety system Certain impact, therefore ocean thermal environment are the objects that must simulate in experiment.Different marine sites or different oceans are deep Degree, has different ocean thermal environments, i.e. sea water working medium, seawater pressure and temperature.
However, due to the restriction of condition, the Experiment of Thermophysics device simulating prototype typically sets up on land, for reaching simulation With the purpose of checking prototype scheme, the thermal parameter of ocean thermal environment analog systemss must be with true marine environment phase With, and also need in extreme circumstances simulate the pressure change brought during naval vessel nuclear reactor motion.Therefore, develop one kind Temperature and pressure adjustable ocean thermal environment analog systemss, sea water thermal environment in Experiment of Thermophysics device under the conditions of solution continental rise A difficult problem for simulation, this becomes current people's question of common concern.
Content of the invention
The difficult problem simulated for sea water thermal environment in Experiment of Thermophysics device under the conditions of solution continental rise, the invention discloses a kind of Ocean thermal environment analog systemss.
A kind of controlled ocean thermal environment analog systemss of temperature and pressure of the present invention, including sea water simulation container, with sea water Simulation container conduit connect gas pressurizer, the pipeline between described sea water simulation container and gas pressurizer is provided with every From valve, described sea water simulation container and gas pressurizer are additionally provided with benefit drain valve respectively, also set in described sea water simulation container It is equipped with the adjustable heater of heating power, the adjustable heat exchanger of heat exchange power, temperature measurement component, manometric module and liquidometer;Described Sea water simulation container, gas pressurizer and pipeline outer wall are all laid with heat-insulation layer.
Preferably, described heater is located at the internal the latter half of sea water simulation container, and described heat exchanger is located at sea water simulation The internal top half of container.
Preferably, described heat exchanger is coil heat exchanger, and described coil heat exchanger inlet tube is provided with cooling water inlet and adjusts Section valve and effusion meter.
Specifically, described flow is calculated as V cone flow meter or Venturi meter.
Preferably, described sea water simulation container side wall or top are provided with visual sealed window.
Preferably, described gas pressurizer is connected with Nitrogen source gases.
Preferably, it is additionally provided with temperature measurement component, manometric module and liquidometer in described gas pressurizer.
Preferably, described isolating valve is pneumatic operated valve.
Using a kind of controlled ocean thermal environment analog systemss of temperature and pressure of the present invention, as long as sea water working medium is injected To this system, by the regulation of this system, ocean thermal environment can be set up with fast and stable, and have equipment composition simple, The features such as manipulation simplicity, stable performance, and system pressure can be met, the adjustable requirement of temperature, solve heat under the conditions of continental rise A difficult problem for briny environment simulation in work experimental provision.
Brief description
Fig. 1 is a kind of a kind of specific embodiment knot of the controlled ocean thermal environment analog systemss of temperature and pressure of the present invention Structure schematic diagram;
In figure reference is entitled:1- sea water simulation container, 2- heating, 3- coil heat exchanger, 4- cooling water enters Mouth regulating valve, 5- cooling water flow meter, 6- nitrogen pressurizer, 7- isolating valve, 8- stop valve, TF- temperature measurement component, LT- liquidometer, PT- manometric module.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in further detail.
As shown in figure 1, a kind of controlled ocean thermal environment analog systemss of temperature and pressure of the present invention, including sea water simulation container 1, the gas pressurizer being connected with sea water simulation container 1 pipeline, the pipeline between described sea water simulation container 1 and gas pressurizer On be provided with isolating valve 7, described sea water simulation container 1 and gas pressurizer are additionally provided with benefit drain valve, described sea water mould respectively Intend being additionally provided with the adjustable heater of heating power, the adjustable heat exchanger of heat exchange power, temperature measurement component TF, pressure measurement group in container 1 Part PT and liquidometer LT;Described sea water simulation container 1 and pipeline outer wall are all laid with heat-insulation layer.
It is an object of the invention to provide a kind of controlled ocean thermal environment analog systemss of temperature and pressure, can be used for studying naval vessel Nuclear reactor hot-working hydraulic characteristic under briny environment, reaches the demand of simulation ocean thermal environment, under the conditions of solving continental rise A difficult problem for briny environment simulation in Experiment of Thermophysics device.As long as sea water or sea water working medium are injected into this system, by this system Regulation, ocean thermal environment can be set up with fast and stable.
Described ocean thermal environment analog systemss control method is as follows:
When experiment starts, it is first shut off isolating valve 7, respectively to sea water simulation container 1 and gas pressurizer using benefit draining Valve moisturizing;And gas pressurizer is inflated, its pressure is risen to predetermined value.Pressure in sea water simulation container 1 is added by moisturizing It is pressed onto close to predetermined value.When the pressure in sea water simulation container 1 with gas pressurizer is close, open isolating valve 7, connect gas Manostat and sea water simulation container 1, continue gas pressurizer is inflated, and will now be connected as a single entity by sea water simulation container 1 Slowly adjust to predetermined value with the system pressure of gas pressurizer composition.Isolating valve 7 can adopt pneumatic operated valve, facilitates implementation automatically Control.
Subsequently, using heater, sea water simulation container 1 is heated up;Stop heating after temperature reaches predetermined value.Sea Fluid Dynamics container 1, gas pressurizer and pipeline and container outer wall are all laid with heat-insulation layer, can temperature in holding system not Become.When the heat from external equipment enters into sea water simulation container 1, adjust the heat exchange power of heat exchanger, concrete in Fig. 1 In embodiment, heat exchanger adopts coil heat exchanger 3, opens coil heat exchanger 3 cooling water inlet regulating valve 4, adjusts cooling water Flow, make the heat exchange power of coil heat exchanger 3 with from equipment output heat radiation power equal it is ensured that in sea water simulation container 1 Temperature-resistant.When the ocean thermal environment needing to simulate different temperatures, enable heater and system is carried out with heating regulation;When When needing the ocean thermal environment simulating different pressures, to inflating in gas pressurizer and adjust to predetermined pressure.When needing mould During the ocean thermal environment of pseudopressure rapid decrease, open the outside draining of benefit drain valve of gas pressurizer, adjust drainage rates, The pressure rapid decrease by the ocean thermal environment analog systemss being made up of sea water simulation container 1 and gas pressurizer can be made and expire The specific fall off rate of foot requires.When needing simulated pressure zooming ocean thermal environment, open gas pressurizer Mend the inside moisturizing of drain valve, control moisturizing speed, the quick upper body of pressure of ocean thermal environment analog systemss can be made and meet spy Fixed climbing speed requires.Using temperature measurement component TF, manometric module PT and liquidometer LT, sea water simulation container 1 is supervised in real time Survey, adjust the Real-time Feedback of result as ocean thermal environment.
In the present invention, sea water simulation container 1 is the container that can bear certain pressure, and has sufficiently large water capacity, The infinitely great water capacity of approximate simulation ocean, can be designed to be hemisphere up and down, middle part is the shape of cylinder, sea water simulation container 1 top or side wall can arrange visualization fenestra, for example with quartz glass seals isolation, facilitate in experimentation the observation can The sea water steam bubble boiling phenomenon that can occur.
In Fig. 1, ocean simulation container is passed through pipeline respectively and is connected with equipment importation and equipment outlet, and so-called equipment is by mould Heat is imported sea by the fluid outlet pipe of this equipment by the steam generator in the nuclear power unit intended or remaining row's heat exchanger In ocean simulation container, the fluid after cooling returns from equipment importation.
Heat exchanger can adopt coil exchanger 3, positioned at the top of sea water simulation container 1, beneficial to heat-shift, coil pipe Heat exchanger 3 import is drawn from sea water simulation container 11 side, and from the Base top contact of container, coil heat exchanger 3 is mainly to be used for outlet In cooling from the hot fluid of Devices to test output, the fluid temperature (F.T.) in sea water simulation container 1 is controlled to keep constant.As shown in Figure 1 Cooling water inlet regulating valve 4 and cooling water flow meter 5 are provided with coil heat exchanger 3 inlet tube, coil heat exchange can be adjusted Cooling water flow it being measured in real time, thus controlling heat exchange power in device 3.It is also provided with gas pressurizer surveying Warm assembly TF, manometric module PT and liquidometer LT, convenient measurement in real time is observed, and manometric module adopts pressure transmitter;Thermometric group Part can adopt thermocouple, and level gauging adopts differential pressure type metering system, cooling water flow meter 5 can using V cone flow meter or Venturi meter.
In Fig. 1 embodiment, heater adopts heating 2, and the wall passing through sea water simulation container 1 from bottom is arranged on pre- Heating 2 adapter stayed is upper and is sealed using ripe German-style metal lensring technology.Heating 2 is used for heating seawater simulation to be held Water in device 1, according to needed for experiment, the ocean temperature of simulation adjusts the water temperature in sea water simulation container 1.The chi of heating 2 Very little and quantity determines with sea water simulation container 1 space according to actual needs.Gas pressurizer in Fig. 1 and sea water simulation container 1 Bottom be additionally provided with lead to row's trench drain valve, at the end of experiment, open valve by internal liquid and issuable heavy Starch empties.
Gas pressurizer can adopt Nitrogen source gases, thus forming nitrogen pressurizer 6, as shown in figure 1, nitrogen gas tank and gas Between body manostat, stop valve 8 is connected with by pipeline, nitrogen is with low cost, and nitrogen molecule amount is close with air, can be relatively Good simulation ocean surface true environment, eliminates oxygen simultaneously, it is to avoid produce oxidation reaction corrosion under hyperpyrexia seawater eroding System.
The effect of above-mentioned specific embodiment is:A. adopt the cylindrical chamber of big volume, approximate simulation ocean is infinitely great Water capacity;B. adopt coil heat exchanger 3 as hot trap equipment, control the fluid temperature (F.T.) in sea water simulation container 1 to keep constant;c. Water in container 1 is simulated using heating 2 heating seawater, the ocean temperature of simulation adjusts sea water simulation according to needed for experiment Water temperature in container 1;D. adopt external nitrogen pressurizer 6, adjust and stablize the pressure of ocean thermal environment analog systemss;E. temperature Degree measurement assembly, pressure measuring assemblies carry out real-time monitoring to sea water simulation container 1, can adjust knot as ocean thermal environment The Real-time Feedback of fruit.
As long as sea water working medium is injected into this system, by the regulation of this system, ocean heat can be set up with fast and stable Work environment, and have that equipment composition is simple, manipulation is easy, stable performance the features such as, and system pressure can be met, temperature scalable Requirement.Solve a difficult problem for briny environment simulation in Experiment of Thermophysics device under the conditions of continental rise.
Previously described each preferred embodiment for the present invention, if the preferred implementation in each preferred embodiment It is not substantially contradictory or premised on a certain preferred implementation, each preferred implementation can any stack combinations Use, the design parameter in described embodiment and embodiment merely to clearly state inventor invention proof procedure, and It is not used to limit the scope of patent protection of the present invention, the scope of patent protection of the present invention is still defined by its claims, all It is to change with the equivalent structure that description and the accompanying drawing content of the present invention are made, should be included in the protection model of the present invention in the same manner In enclosing.

Claims (8)

1. a kind of controlled ocean thermal environment analog systemss of temperature and pressure are it is characterised in that include sea water simulation container, with sea water mould Intend the gas pressurizer that container conduit connects, the pipeline between described sea water simulation container and gas pressurizer is provided with isolation Valve, described sea water simulation container and gas pressurizer are additionally provided with benefit drain valve respectively, also set up in described sea water simulation container There are the adjustable heater of heating power, the adjustable heat exchanger of heat exchange power, temperature measurement component, manometric module and liquidometer;Described sea Fluid Dynamics container, gas pressurizer and pipeline outer wall are all laid with heat-insulation layer.
2. as claimed in claim 1 a kind of controlled ocean thermal environment analog systemss of temperature and pressure it is characterised in that described heating Device is located at the internal the latter half of sea water simulation container, and described heat exchanger is located at the internal top half of sea water simulation container.
3. as claimed in claim 1 a kind of controlled ocean thermal environment analog systemss of temperature and pressure it is characterised in that described heat exchange Device is coil heat exchanger, and described coil heat exchanger inlet tube is provided with cooling water inlet regulating valve and effusion meter.
4. as claimed in claim 3 a kind of controlled ocean thermal environment analog systemss of temperature and pressure it is characterised in that described flow It is calculated as V cone flow meter or Venturi meter.
5. as claimed in claim 1 a kind of controlled ocean thermal environment analog systemss of temperature and pressure it is characterised in that described sea water Simulation container side wall or top are provided with visual sealed window.
6. as claimed in claim 1 a kind of controlled ocean thermal environment analog systemss of temperature and pressure it is characterised in that described gas Manostat is connected with Nitrogen source gases.
7. as claimed in claim 1 a kind of controlled ocean thermal environment analog systemss of temperature and pressure it is characterised in that described gas It is additionally provided with temperature measurement component, manometric module and liquidometer in manostat.
8. as claimed in claim 1 a kind of controlled ocean thermal environment analog systemss of temperature and pressure it is characterised in that described isolation Valve is pneumatic operated valve.
CN201510331939.0A 2015-06-16 2015-06-16 A kind of controlled ocean thermal environment analog systemss of temperature and pressure Active CN104934082B (en)

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CN111583769B (en) * 2020-03-26 2022-07-01 广东工业大学 Deep sea environment simulation temperature control system and use method thereof
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