CN106409362A - Single-tube experiment device for passive residual heat removal of molten salt reactors - Google Patents
Single-tube experiment device for passive residual heat removal of molten salt reactors Download PDFInfo
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- CN106409362A CN106409362A CN201610899803.4A CN201610899803A CN106409362A CN 106409362 A CN106409362 A CN 106409362A CN 201610899803 A CN201610899803 A CN 201610899803A CN 106409362 A CN106409362 A CN 106409362A
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- drum
- heat exchange
- condenser
- water inlet
- tube
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/001—Mechanical simulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention provides a single-tube experiment device for passive residual heat removal of molten salt reactors. The single-tube experiment device comprises a tube vertical electric furnace, a heat exchange component, a steam dome and a condenser. Temperature variation conditions of molten salt in salt discharge tanks of the molten salt reactors can be simulated by the tube vertical electric furnace; the lower portion of the heat exchange component is inserted into the tube vertical electric furnace, the upper portion of the heat exchange component is connected with the steam dome, and an inlet and an outlet of the heat exchange component are formed inside the steam dome; the heat exchange component is a sheath-shaped heat exchange component with double-layer sleeves and comprises an outer-layer sleeve, a middle sleeve and a center water inlet tube, a steam circulation annular channel is formed between the middle sleeve and the center water inlet tube, and the bottom of the center water inlet tube is communicated with the channel; an inlet of the condenser is connected with the top of the steam dome, and an outlet of the condenser is connected with a water inlet of the steam dome. The single-tube experiment device has the advantages that the single-tube experiment device can be used for carrying out experiment research on characteristics of passive residual heat removal systems of the molten salt reactors, is safe and reliable in work, reasonable in design and easy to operate and can be reused, and a platform can be provided for research on the characteristics of the passive residual heat removal systems of the molten salt reactors.
Description
Technical field
The present invention relates to the Residual heat removal experimental provision in a kind of thermal-hydraulic area research, more particularly, to one kind are used for melting
The single tube experimental provision of salt heap passive residual heat removal.
Background technology
MSR is unique liquid fuel reactor in 6 kinds of forth generation reactors, and its feature is using being dissolved in
The liquid fusions of the thorium in the fused salts such as LiF, NaF or uranium are as fuel it is not necessary to make fuel assembly.With other heap-type phases
MSR has the advantages that negative reactivity is strong, need not add burnable poison ratio, fuel availability is high and safety is good, is therefore subject to
Attention to various countries' reactor researcher.
During MSR shutdown, fused salt is entered in salt discharge tank by system, and MSR Heat Discharging System of Chinese is exactly mainly
For removing the waste heat of fused salt in salt discharge tank in reactor shutdown heel row, prevent temperature of molten salt too high and the security incident of appearance, by
In adopting passive technology, system can persistently derive, using circulating of fluid, the heat that fused salt produces.
Chinese patent application the 201310286718.7th, discloses a kind of passive residual heat removal system for MSR
System, including salt discharge tank, heat exchange element, drum, air duct, the upper part of heat exchange element is located in drum, the lower part of heat exchange element
In salt discharge tank, the remainder of heat exchange element is located between drum and salt discharge tank, and heat exchange element includes heat-transfer pipe, heat-transfer pipe
In intermediate casing is set, intermediate casing includes inner and outer wall, forms the passage for steam circulation, inwall between inwall and outer wall
In form inlet pipeline, the top of inlet pipeline is water inlet, and the bottom of inlet pipeline disconnects and being simultaneously connected in passage, in air duct
Air cooler is installed, the end of air cooler is air cooler air inlet, middle part arranges finned tube, and drum is cooled down with air
Device import is come round.The passive residual heat removal that the system design scheme of the present invention can be very good to solve MSR in theory is asked
Topic, is a kind of preferable scheme.But, this system is a theoretic design system, and actual operation characteristic can not
Determine it is impossible to directly apply to engineering practice it is therefore desirable to experimental provision being more suitable for experimentation is substituting this system.
Content of the invention
The invention aims to the simulation experiment of MSR passive residual heat removal can safer be readily achieved,
Obtain more accurately believable experimental result and a kind of single tube experimental provision for MSR passive residual heat removal is provided.
The object of the present invention is achieved like this：Including the vertical electric furnace of tubular type, heat exchange element, drum, condenser, described change
In the vertical electric furnace of thermal element side bottom inserting pipe-type, top be connected with drum, and the import and export of heat exchange element are all located in drum
Portion, the entrance of condenser is connected with the top of drum, and the outlet of condenser is connected with the water inlet of drum, described drum
Top is additionally provided with relief valve and the side of pressure gauge, drum is provided with pressure transducer.
Present invention additionally comprises such some architectural features：
1. heat exchange element described in is a sheath heat exchange element being made up of two-layer sleeve pipe, and it includes outer layer sleeve, centre
Sleeve pipe and center water inlet pipe, are nested to form a circular passage supplying steam circulation between intermediate casing and center water inlet pipe, in
Heart water inlet bottom of the tube is connected with this circular passage.
2. lime set measurement pipe and stop valve are provided with the pipeline between the outlet of condenser and the water inlet of drum and are somebody's turn to do
Pipeline is communicated with the external world by air bleeding valve.
3. it is provided with pressure transducer and thermocouple on the pipeline between the entrance of condenser and the top of drum.
Compared with prior art, the invention has the beneficial effects as follows：The present invention substitutes fused salt tank with the vertical electric furnace of tubular type, therefore
Do not need to be tested with relatively hazardous fused salt, increase the safety coefficient of experiment.Experimental provision structure simply it is easy to assembling, is grasped
Make convenient and swift.Condenser adopts water-cooled to replace air cooling, simplifies experimental system, and can also more easily study condenser
The impact to system operation for the Parameters variation.In a word, the present invention meet MSR Heat Discharging System of Chinese experimentation will
Ask, safe and reliable, reasonable in design, structure is simple, easy to operate, is suitably applied MSR Heat Discharging System of Chinese
The experimentation of characteristic.
Brief description
Fig. 1 is the overall structure diagram after present invention assembling；
Fig. 2 is the structural representation of heat exchange element.
As shown in figure 1,1 be the vertical electric furnace of tubular type, 2 be sheath heat exchange element, 3 be drum, 4 be pressure gauge, 5 be safety
Valve, 6 be pressure transducer, 7 be thermocouple, 8 be condenser, 9 be lime set measurement pipe, 10 be stop valve, 11 be air bleeding valve, 12 be
Quick action joint.
As shown in Fig. 2 2-1 be heat exchange element trocar sheath, 2-2 be heat exchange element intermediate casing, 2-3 be heat exchange element center
Pipe, 2-4 are the outlet of heat exchange element, 2-5 is the entrance of heat exchange element.
Specific embodiment
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, the invention discloses a kind of single tube experimental provision for MSR passive residual heat removal, mainly
It is made up of following part：The vertical electric furnace of tubular type 1, heat exchange element 2, drum 3, relief valve 5, condenser 8 and lime set measurement pipe 9.
The vertical electric furnace of tubular type 1 is equivalent to the salt discharge tank in MSR, and it is the thermal source of the system, and the heat that it produces passes through
Heat exchange element 2 passes to heat-carrying agent water, and then so that system circulation is behaved.Can be by adjusting the vertical electric furnace of tubular type 1 stove
Temperature in thorax is carrying out the experiment under different temperatures.
Heat exchange element 2 is sheath sleeve type structure, and it includes outer layer sleeve 2-1, intermediate casing 2-2 and central canal 2-3.?
During system operation, the water in drum 3 is entered in central canal 2-3 by the entrance 2-5 of heat exchange element, flows downward, and reaches bottom
Turn back upwards afterwards, enter a circular passage being nested to form by intermediate casing 2-2 and central canal 2-3, flow up, in flowing
During be heated continuously, the steam water interface in last circular passage enters into drum 3 through the outlet 2-4 of heat exchange element
In, complete a little circulation.Equipped with armoured thermocouple at the import 2-5 and outlet 2-4 of heat exchange element, for measuring turnover
Temperature at mouthful；The outside wall surface of outer layer sleeve 2-1 and intermediate casing 2-2 is welded with thermocouple, for measuring this two-layer set
The temperature in pipe outer wall face.
Drum 3 is cylindrical structural, and the entrance 2-5 of heat exchange element 2 and outlet 2-4, in drum 3, in drum are therefore
Steam water interface.The top of drum 3 is provided with pressure gauge 4, for monitoring the pressure in drum 3；The top of drum 3 is also equipped with
Relief valve 5, for preventing the generation of hypertonia security incident in drum 3；The side surface upper part of drum 3 is provided with pressure transducer
6, for the change of pressure in real-time monitoring drum.
Condenser 8 is water cooled condenser, and its condensing tube is L-type heat exchanger tube.Steam in drum 3 passes through jet chimney
Enter in condenser 8 and be condensed into water, heat is ultimately transferred to the water outside condensing tube.Import and export in condenser 8
It is respectively mounted an armoured thermocouple 7, for measuring the temperature at this, and then calculate the condensation power of condenser；In condensation
The entrance of device 8 is also equipped with a pressure transducer 6, for the pressure of real-time monitoring condenser 8 porch.
Lime set measurement pipe 9 is a graduated circular glass pipe of band, can be used to measure a period of time inner condenser 8
Condensate flow, measurement when by lime set measurement pipe 9 below stop valve 10 close.
The concrete operations mode tested using this experimental provision is as follows：
First, preparation before testing：The materials such as the deionized water used by preparing experiment, tap water, checking experiment device is each
Whether part is normal, and especially whether the air-tightness of device is good.
2nd, deionized water is added in drum 3, liquid level will there be heat exchange element outlet 2-5, but did not exceeded heat exchange unit
Part exports 2-4；Tap water is added in condenser 8 so as to liquid level reaches certain height.
3rd, set the parameter of the vertical electric furnace of tubular type 1, be set the required temperature of experiment, then begin to warm up.Work as electricity
After the temperature of stove reaches the temperature of setting and stablizes, open air bleeding valve 11, the incoagulable gas in system is discharged, treats incoagulability
Close air bleeding valve 11 after gas emptying, carry out experiment measurement.
4th, pass through the differences such as the liquid level in regulation condenser 8, the liquid level in drum 3, furnace temperature of the vertical electric furnace of tubular type 1 to join
Count and to study the impact to system flow and heat exchange for these parameters.
5th, after the completion of testing, vertical for tubular type electric furnace 1 cuts out, drops to after normal pressure after system pressure, open air bleeding valve 11
Exitted, make system maintain atmospheric pressure state, anti-locking system is in vacuum state, the air-tightness of impact system.Treat system temperature
After degree is down to room temperature, experiment terminates.
Namely the present invention is a kind of single tube experimental provision for MSR passive residual heat removal, including the vertical electricity of tubular type
Stove, heat exchange element, drum, condenser, connecting line；The vertical electric furnace of tubular type is used for simulating the temperature of fused salt in MSR salt discharge tank
Situation of change；In the vertical electric furnace of heat exchange element bottom inserting pipe-type, top is connected with drum, and the import and export of heat exchange element are all located at
Inside steam drum；Heat exchange element is a sheath heat exchange element being made up of two-layer sleeve pipe, including outer layer sleeve, intermediate casing and in
Heart water inlet pipe, forms a circular passage supplying steam circulation, center water inlet bottom of the tube between intermediate casing and center water inlet pipe
With this channel connection；The entrance of condenser is connected with the top of drum, and the outlet of condenser is connected with the water inlet of drum.
Described MSR passive residual heat removal single tube experimental provision, also includes overpressure protection apparatus, is used for preventing system operation
Security incident in middle hypertonia, and the effect of this protection device is mainly realized by a relief valve, and relief valve is arranged on
The top of drum.Described heat exchange element, drum, condenser units, its surface or inside are provided with temperature sensing component, use
The temperature change of each several part in monitoring system.Present invention additionally comprises lime set measurement apparatus, it is arranged under condensator outlet
Portion, for collecting the solidifying water condensing through condenser.Present invention additionally comprises pressure transducer for pressure in measuring system and
Pressure gauge.Present invention additionally comprises air bleeding valve, for the incoagulable gas in removal system.
Claims (5)
1. a kind of single tube experimental provision for MSR passive residual heat removal it is characterised in that：Including the vertical electric furnace of tubular type,
Heat exchange element, drum, condenser, in the vertical electric furnace of described heat exchange element side bottom inserting pipe-type, top is connected with drum, and changes
The import and export of thermal element are all located inside steam drum, and the entrance of condenser is connected with the top of drum, the outlet of condenser and vapour
The water inlet of bag is connected, and the top of described drum is additionally provided with relief valve and the side of pressure gauge, drum is provided with pressure biography
Sensor.
2. a kind of single tube experimental provision for MSR passive residual heat removal according to claim 1, its feature exists
In：Described heat exchange element is a sheath heat exchange element being made up of two-layer sleeve pipe, it include outer layer sleeve, intermediate casing and in
Heart water inlet pipe, is nested to form a circular passage supplying steam circulation, center water inlet pipe between intermediate casing and center water inlet pipe
Bottom is connected with this circular passage.
3. a kind of single tube experimental provision for MSR passive residual heat removal according to claim 1 and 2, its feature
It is：Lime set measurement pipe and stop valve and this pipeline are provided with the pipeline between the outlet of condenser and the water inlet of drum
Communicated with the external world by air bleeding valve.
4. a kind of single tube experimental provision for MSR passive residual heat removal according to claim 1 and 2, its feature
It is：Pressure transducer and thermocouple are provided with the pipeline between the entrance of condenser and the top of drum.
5. a kind of single tube experimental provision for MSR passive residual heat removal according to claim 3, its feature exists
In：Pressure transducer and thermocouple are provided with the pipeline between the entrance of condenser and the top of drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899803.4A CN106409362A (en) | 2016-10-14 | 2016-10-14 | Single-tube experiment device for passive residual heat removal of molten salt reactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610899803.4A CN106409362A (en) | 2016-10-14 | 2016-10-14 | Single-tube experiment device for passive residual heat removal of molten salt reactors |
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| Publication Number | Publication Date |
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| CN106409362A true CN106409362A (en) | 2017-02-15 |
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| CN201610899803.4A Pending CN106409362A (en) | 2016-10-14 | 2016-10-14 | Single-tube experiment device for passive residual heat removal of molten salt reactors |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274939A (en) * | 2017-07-12 | 2017-10-20 | 哈尔滨工程大学 | A kind of heat-exchanger rig for MSR Heat Discharging System of Chinese |
| CN108506995A (en) * | 2018-02-08 | 2018-09-07 | 中国科学院上海应用物理研究所 | Passive list tank thermal storage heating system |
| CN108538413A (en) * | 2018-03-06 | 2018-09-14 | 哈尔滨工程大学 | A kind of experimental provision and experimental method for studying condensation water tank hot-working hydraulic characteristic |
| CN111739664A (en) * | 2020-07-29 | 2020-10-02 | 中国科学院上海应用物理研究所 | Experimental device for researching fused salt-heat pipe coupling system and operation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100555A (en) * | 1993-03-24 | 1995-03-22 | 古川和男 | Plutonium annihylating nuclear reactor with use of liquid nuclear fuel |
| JP2013088423A (en) * | 2011-10-19 | 2013-05-13 | Masayuki Kumada | Thorium molten salt power generation reactor device with excellent maintainability |
| CN103400608A (en) * | 2013-07-09 | 2013-11-20 | 哈尔滨工程大学 | Passive residual heat exhausting system for molten salt reactor |
| US20150117589A1 (en) * | 2012-05-30 | 2015-04-30 | Takashi Kamei | Molten Salt Reactor |
| CN105097056A (en) * | 2015-06-11 | 2015-11-25 | 上海核工程研究设计院 | Simulation experiment system for passive residual-heat-removal heat exchanger |
| JP2016042090A (en) * | 2014-08-18 | 2016-03-31 | 株式会社 トリウムテックソリューション | Compact size molten salt reactor |
| CN105605955A (en) * | 2016-01-28 | 2016-05-25 | 西安交通大学 | Fused salt heat exchange experimental device and control method thereof |
-
2016
- 2016-10-14 CN CN201610899803.4A patent/CN106409362A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100555A (en) * | 1993-03-24 | 1995-03-22 | 古川和男 | Plutonium annihylating nuclear reactor with use of liquid nuclear fuel |
| JP2013088423A (en) * | 2011-10-19 | 2013-05-13 | Masayuki Kumada | Thorium molten salt power generation reactor device with excellent maintainability |
| US20150117589A1 (en) * | 2012-05-30 | 2015-04-30 | Takashi Kamei | Molten Salt Reactor |
| CN103400608A (en) * | 2013-07-09 | 2013-11-20 | 哈尔滨工程大学 | Passive residual heat exhausting system for molten salt reactor |
| JP2016042090A (en) * | 2014-08-18 | 2016-03-31 | 株式会社 トリウムテックソリューション | Compact size molten salt reactor |
| CN105097056A (en) * | 2015-06-11 | 2015-11-25 | 上海核工程研究设计院 | Simulation experiment system for passive residual-heat-removal heat exchanger |
| CN105605955A (en) * | 2016-01-28 | 2016-05-25 | 西安交通大学 | Fused salt heat exchange experimental device and control method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 孙露 等: "ORNL10MW熔盐实验堆（MSRE）排盐罐冷却系统热工水力特性分析", 《核技术》 * |
| 陈凯伦 等: "Experimental analysis on passive residual heat removal in molten salt reactor using single cooling thimble test system", 《ENERGY》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274939A (en) * | 2017-07-12 | 2017-10-20 | 哈尔滨工程大学 | A kind of heat-exchanger rig for MSR Heat Discharging System of Chinese |
| CN107274939B (en) * | 2017-07-12 | 2019-07-16 | 哈尔滨工程大学 | A kind of heat-exchanger rig for molten salt reactor passive residual heat removal system |
| CN108506995A (en) * | 2018-02-08 | 2018-09-07 | 中国科学院上海应用物理研究所 | Passive list tank thermal storage heating system |
| CN108538413A (en) * | 2018-03-06 | 2018-09-14 | 哈尔滨工程大学 | A kind of experimental provision and experimental method for studying condensation water tank hot-working hydraulic characteristic |
| CN108538413B (en) * | 2018-03-06 | 2019-11-01 | 哈尔滨工程大学 | It is a kind of for studying the experimental provision and experimental method of condensation water tank hot-working hydraulic characteristic |
| CN111739664A (en) * | 2020-07-29 | 2020-10-02 | 中国科学院上海应用物理研究所 | Experimental device for researching fused salt-heat pipe coupling system and operation method thereof |
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Application publication date: 20170215 |