CN109215815A - A kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test - Google Patents

A kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test Download PDF

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Publication number
CN109215815A
CN109215815A CN201810962584.9A CN201810962584A CN109215815A CN 109215815 A CN109215815 A CN 109215815A CN 201810962584 A CN201810962584 A CN 201810962584A CN 109215815 A CN109215815 A CN 109215815A
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valve
manual modulation
flow control
outlet
helium
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CN109215815B (en
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雷明准
卯鑫
汪键
李波
徐淑玲
尹洲
宋云涛
陆坤
沈俊松
徐坤
龚正
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Hefei Institutes of Physical Science of CAS
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Hefei Institutes of Physical Science of CAS
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    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C15/00Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • GPHYSICS
    • G21NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21CNUCLEAR REACTORS
    • G21C15/00Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/02Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • G21C15/14Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from headers; from joints in ducts
    • 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)
  • Examining Or Testing Airtightness (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

The invention discloses a kind of high temperature and pressure helium cooling systems for fusion reactor internal part performance test, include helium primary heat transport system and helium compensation circuit system, it is characterised in that: the helium primary heat transport system includes helium major loop and its subsidiary loop;The helium compensation circuit system includes helium compensation circuit and its subsidiary loop, the collective effect of each component in circuit and its subsidiary loop is compensated by helium major loop and its subsidiary loop and helium, it can provide the helium of certain temperature and pressure, to meet the needs of following fusion reactor internal part performance test.The helium primary heat transport system and helium compensation circuit system are mutually indepedent, have many advantages, such as stable, safe, reliable, efficient.

Description

A kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test
Technical field
The present invention relates to nuclear energy technology field more particularly to a kind of high temperature for fusion reactor internal part performance test are high Press helium cooling system.
Background technique
Magnetic confinement nuclear fusion can be considered as the following most possible approach for solving mankind's energy crisis.Tokamak core is poly- Becoming device (such as ITER) is that research magnetic confinement nuclear fusion can one of most fruitful means.Covering and divertor are as support card Directly facing the core component of plasma in mark's nuclear fusion device, particle flux and heat from central plasma are born Stream, the thermal power that the first wall surface is born reach m. gigawatt (GW) magnitude, it is contemplated that the surface thermal load of covering and divertor is up to Several megawatts every square metre to tens megawatts every square metre.Covering or divertor are run under the conditions of this high heat load, are be easy to cause Damage, and maintenance replacement extremely inconvenience, therefore, the packet first to different materials, structure or the type of cooling are carried out in fusion reactor The internal parts such as layer or divertor are tested for the property, and are guaranteed that internal part performance is met the requirements and are of great significance.
Currently, the type of cooling that fusion reactor internal part uses mainly has, water cooling, helium are cold, liquid metal is cooling and fused salt It is cooling etc., wherein helium has as inert gas and is not easy to chemically react with other materials, compatible with other materials Property it is preferable, can avoid processing using liquid metal lithium and make magnetohydrodynamics problem caused when coolant;Compared with water and liquid The advantages that for this kind of coolant of lithium metal, the neutron penetrability of helium is much better than, is conducive to the generation of tritium.Research is learned both at home and abroad Person has also carried out the research of the cold divertor of helium and the cold covering of helium, required when testing the cold internal part of helium certain temperature and Therefore the helium gas cooling agent of pressure can establish high temperature and pressure helium cold loop system, to verify the following fusion reactor internal part design The performance of scheme (the cold covering of helium and the cold divertor of helium), the present invention is exactly to generate in this context.
Summary of the invention
The object of the invention is to remedy the disadvantages of known techniques, provides a kind of for the survey of fusion reactor internal part performance The high temperature and pressure helium cooling system of examination.
The present invention is achieved by the following technical solutions:
A kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test includes that helium major loop, helium are auxiliary Circuit, helium compensation circuit and helium compensation subsidiary loop are helped, the helium major loop includes gas compressor, gas pressure The outlet of contracting machine is sequentially connected manual modulation valve one, flow control valve one, heat exchanger one, manual modulation valve two, electric heater One, manual modulation valve three, manual modulation valve four, electric heater two, manual modulation valve five, manual modulation valve 24, electric heating Device three, manual modulation valve 26, gas mixer one, flow control valve two, manual modulation valve six enter Thermal test platform, and heat is surveyed It is cold that the outlet of test stand is sequentially connected manual modulation valve nine, heat exchanger one, flow indicator gauge one, gas mixer two, air But the import of tower, filter, flow control valve three, manual modulation valve ten and the gas compressor, in manual modulation valve two It is parallel with manual modulation valve 11 between manual modulation valve three, is parallel between manual modulation valve four and manual modulation valve five Manual modulation valve 12 is parallel with manual modulation valve 20 between manual modulation valve 24 and manual modulation valve 26 Five;
The helium subsidiary loop are as follows: the outlet of the flow control valve one also passes through flow control valve four and gas mixing The import of device one connects, and the outlet of flow control valve one is also respectively connected with flow control valve ten and flow control valve 12, flow Control valve 12 is connect with the import of gas mixer two, the import of the outlet connection cold test platform of flow control valve ten, cold survey Test stand outlet connection manual modulation valve 11 import, manual modulation valve 11 outlet connection gas mixer two into Mouthful;The outlet of flow control valve three is also connected with manual modulation valve 13, and manual modulation valve 13 is sequentially connected manual modulation valve ten Four, the import of water-cooling system, the outlet of water-cooling system are sequentially connected manual modulation valve 15, heat exchanger two and manual modulation valve 14 import, the outlet of manual modulation valve 15 are also connected with the import of manual modulation valve 16, and manual modulation valve 16 goes out The import of mouth connection gas compressor;
The helium compensation circuit includes air accumulator and storage cylinder, and the one outlet of air accumulator is sequentially connected flow indicator The import of table two, flow control valve 14 and flow control valve one, the outlet of storage cylinder are sequentially connected manual modulation valve 17, pressure The import of power bleeder valve, pressure-regulating valve one, flow control valve 13 and the air accumulator, in the Pressure Relief Valve Import is also connected with manual modulation valve 20, and the import of manual modulation valve 20 is connected with the interface for helium, adjusts in pressure The both ends of valve one are also parallel with manual modulation valve 18;
The helium compensates subsidiary loop are as follows: the one outlet of the air accumulator is separately connected flow control valve 15, stream The outlet of the import of control valve 16, flow control valve 17, flow control valve 16 connects vacuum system, flow control valve 17 outlet is connected with purification system, and the outlet of flow control valve 15 is separately connected pressure-regulating valve two and safety valve three, The outlet of pressure-regulating valve two connects helium gas emission interface.
It is also connected with manual modulation valve 19 in the one outlet of the air accumulator, was also connected on air accumulator Carry protection connector three.
Flow control valve five and flow control are separately connected in the outlet end of the manual modulation valve two and electric heater two Valve six processed;Flow control valve seven and flow control valve eight, the flow is also respectively connected in the outlet of manual modulation valve nine The outlet of control valve seven is connected with vacuum system.
The vacuum system includes vacuum pump, and the outlet of vacuum pump is connected with flow control valve 18, flow control The outlet of valve 18 is connected with exhaust outlet, and the outlet of the flow control valve 16 and the outlet of flow control valve seven connect respectively Connect the vacuum interface of the vacuum pump.
The purification system includes clarifier, and the inlet and outlet of clarifier is connected separately with manual modulation valve 20 Two and manual modulation valve 23, the outlet connection of the flow control valve 17 manual modulation valve 22 into Mouthful.
The water-cooling system includes sequentially connected cooling tower, manual modulation valve 21 and water pump, and described is cold But the import connection of the tower manual modulation valve 14, the outlet connection of the water pump manual modulation valve 15.
Outlet and the heat exchanger one of flow control valve one are connected to after safety valve one and safety valve two are connected Exit.
It is connected with overload protection connector one on the electric heater three, is connected with overload protection on electric heater three Connector two.
The invention has the advantages that the collective effect and phase of helium primary heat transport system of the invention and helium compensation circuit system It is mutually independent, it is possible to provide the helium of certain temperature and pressure has to meet the needs of following fusion reactor internal part performance test The advantages that stable, safe, reliable, efficient.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is vacuum system structure chart.
Fig. 3 is purification system structure chart.
Fig. 4 is water cooling system structure figure.
Specific embodiment
As shown in Figure 1, a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test, includes helium Major loop, helium subsidiary loop, helium compensation circuit and helium compensate subsidiary loop, and the helium major loop includes gas Compressor, the outlet of gas compressor are sequentially connected manual modulation valve 1, flow control valve 1, heat exchanger 1, adjust manually Save valve 25, electric heater 1, manual modulation valve 37, manual modulation valve 48, electric heater 29, manual modulation valve 5 11, hand Dynamic regulating valve 24, electric heater 3 12, manual modulation valve 26, gas mixer 1, flow control valve two 15, manual modulation valve 6 16 enters Thermal test platform 17, and the outlet of Thermal test platform 17 is sequentially connected manual modulation valve 9 21, heat exchange Device 1, flow indicator gauge 1, gas mixer 2 23, air cooling compressor 24, filter 25, flow control valve 3 26, hand The import of dynamic regulating valve 10 and the gas compressor 1, it is in parallel between manual modulation valve 25 and manual modulation valve 37 There is manual modulation valve 11, manual modulation valve 12 be parallel between manual modulation valve 48 and manual modulation valve 5 11, Manual modulation valve 25 is parallel between manual modulation valve 24 and manual modulation valve 26;
The helium subsidiary loop are as follows: the outlet of the flow control valve 1 also passes through flow control valve 4 30 and gas The import of mixer 1 connects, and the outlet of flow control valve 1 is also respectively connected with flow control valve 10 and flow control valve 12, flow control valve 12 is connect with the import of gas mixer 2 23, and the outlet of flow control valve ten connects cold test The import of platform 51, the import of the outlet connection manual modulation valve 11 of cold test platform 51, the outlet of manual modulation valve 11 Connect the import of gas mixer 2 23;The outlet of flow control valve 3 26 is also connected with manual modulation valve 13, manually adjusts Valve 13 is sequentially connected the import of manual modulation valve 14, water-cooling system 45, and the outlet of water-cooling system 45 is sequentially connected hand The import of dynamic regulating valve 15, heat exchanger 2 46 and manual modulation valve 14, the outlet of manual modulation valve 15 is also Connect the import of manual modulation valve 16, the import of the outlet connection gas compressor 1 of manual modulation valve 16;
The helium compensation circuit includes air accumulator 60 and storage cylinder 54, and the one outlet of air accumulator 60 is sequentially connected flow The import of indicating meter 2 61, flow control valve 14 and flow control valve 1, the outlet of storage cylinder 54 are sequentially connected manually Regulating valve 17, Pressure Relief Valve 56, pressure-regulating valve 1, flow control valve 13 and the air accumulator 60 into Mouthful, manual modulation valve 20, the import of manual modulation valve 20 are also connected in the import of the Pressure Relief Valve 56 It is connected with the interface 74 for helium, is also parallel with manual modulation valve 18 at the both ends of pressure-regulating valve 1;
The helium compensates subsidiary loop are as follows: the one outlet of the air accumulator 60 is separately connected flow control valve 15 63, the outlet of the import of flow control valve 16, flow control valve 17, flow control valve 16 connects vacuum system 37, the outlet of flow control valve 17 is connected with purification system 70, and the outlet of flow control valve 15 is separately connected pressure The outlet of regulating valve 2 65 and safety valve 3 64, pressure-regulating valve 2 65 connects helium gas emission interface 66.
It is also connected with manual modulation valve 19 in the one outlet of the air accumulator 60, is also connected on air accumulator There is overload protection connector 3 71.
Flow control valve 5 31 and stream are separately connected in the outlet end of the manual modulation valve 25 and electric heater 29 Control valve 6 32 is connected with temp measuring system 35, for measuring gas between flow control valve 5 31 and flow control valve 6 32 Temperature;Flow control valve 7 33 and flow control valve 8 34 is also respectively connected in the outlet of manual modulation valve 9 21, it is described The outlet of flow control valve 7 33 is connected with vacuum system 37, and the outlet of flow control valve 8 34 is connected with gas analysis system 38, it is used for gas analysis.
As shown in Fig. 2, the vacuum system 37 includes vacuum pump 78, the outlet of vacuum pump 78 is connected with flow control Valve 18, the outlet of flow control valve 18 are connected with exhaust outlet 80, the outlet of the flow control valve 16 and The outlet of flow control valve 7 33 is separately connected the vacuum interface 86 of the vacuum pump 78.
As shown in figure 3, the purification system includes clarifier 82, the inlet and outlet of clarifier 82 is connected separately with Manual modulation valve 22 and manual modulation valve 23, the outlet of the flow control valve 17 connect described The import of manual modulation valve 22.
As shown in figure 4, the water-cooling system includes sequentially connected cooling tower 77,21 and of manual modulation valve Water pump 75, the import connection of the cooling tower 77 manual modulation valve 14, the outlet of water pump 75 connects described Manual modulation valve 15.
Outlet and the heat exchanger of flow control valve 1 are connected to after safety valve 1 and safety valve 2 40 are connected One 4 exit.
It is connected with overload protection connector 1 on the electric heater 39, was connected on electric heater 3 12 Carry protection connector 2 13.
Manual modulation valve 7 18 and manual modulation valve eight are separately connected in the inlet and outlet of the Thermal test platform 17 20, manual modulation valve 7 18 and manual modulation valve 8 20 are respectively connected with back-up system 19.
Flow controller 9 41 is connected between filter and flow control valve 3 26.
The helium major loop work is original are as follows: opens manual modulation valve one 2,25,37,48,5 11,24 87,26,6 16,9 21,10, flow control valve one 3,2 15,3 26 is opened simultaneously and adjusted, flow control is closed Valve 4 30,8 34,7 33,6 32,5 31,12,11,10,9 41,14 and manual modulation valve 11, 12,7 18,8 20,13,14,15,16, low-temperature helium becomes after the pressurization of gas compressor 1 High-pressure helium flows through manual modulation valve 1, flow control valve 1, heat exchanger 1, manual modulation valve 25, electric heater one 6, manual modulation valve 37, manual modulation valve 48, electric heater 29, manual modulation valve 5 11, manual modulation valve 24, Electric heater 3 12, manual modulation valve 26 enter gas mixer 1, in gas mixer one after three-level heats Temperature after heating nonuniform gas being sufficiently mixed in 14, the helium of outflow is high temperature and high pressure gas, 300 DEG C -550 DEG C of temperature, Pressure 8-10MPa enters exemplar (1 ︰ 1 of divertor or covering on experimental bench through flow control valve 2 15, manual modulation valve 6 16 Prototype) and flow out, then through manual modulation valve 9 21, heat exchanger 1, flow indicator gauge 1, gas mixer 2 23 Into air cooling compressor 24, after high temperature helium is sufficiently cooled pressure release in air cooling compressor 24, in the effect of gas compressor 1 Under, filter 25, flow control valve 3 26, manual modulation valve 10 are flowed through by again through the helium after cooling of air cooling compressor 24 Helium major loop circulation is participated in after pressurization.
The effect of subelement is as follows in helium major loop:
Gas compressor 1: the helium flowed through is pressurizeed.
Heat exchanger 1: the high temperature helium and low-temperature helium flowed through carries out heat exchange, and low-temperature helium is heated, high temperature Helium is cooled.
Gas mixer one 14 and 2 23: it is sufficiently mixed the helium after being heated or cooled, temperature is consistent.
The subsidiary loop of the helium major loop is as follows:
A) when the helium temperature in gas mixer 1 is excessively high to be needed to adjust, flow control valve 4 30 is opened and adjusted, is flowed The cryogenic gas of overcurrent control valve 1 separates two parts, and most of helium major loop circulation that participates in is heated, sub-fraction stream Enter gas mixer 1 through flow control valve 4 30, in gas mixer 1, adjusts helium using low-temperature helium Bulk temperature.
B) according to experiment demand, can by turn on or off manual modulation valve 25,37,48,5 11,24, 26,11,12 and 25 mode uses one, two or three electric heater (electric heater One 6,12) electric heater 29, electric heater 3 heat the helium in helium major loop.
C) water-cooling loop closes manual modulation valve ten when still higher through the helium temperature after cooling of air cooling compressor 24 27, open manual modulation valve 14,15 and 21, cold water quilt under the action of water pump 75, in cooling tower 77 Extraction, flows through manual modulation valve 21, water pump 75, manual modulation valve 15, heat exchanger 2 46, manual modulation valve ten 4 44, cooling tower 77 is returned, in this way, flowing through the helium of heat exchanger 2 46 can be cooled again.
D) when on electric heater 1, electric heater 29, electric heater 3 12 or experimental bench exemplar break down or When person needs out of service, manual modulation valve 11,25,9 21 and flow control valve 8 34,7 33,4 30, ten are closed 50, ten one 52, flow control valve 12 is opened, in this way, flowing through the high-pressure helium of flow control valve 1 directly through flow control Valve 12 flows to gas mixer 2 23, and then by the cooling pressure release of air cooling compressor 24.
E) when needing cryogenic high pressure helium to be tested, manual modulation valve 11,25,9 21 and flow control are closed Valve 8 34,7 33,4 30,12,14 processed, open flow control valve 10,11, flow through manual modulation valve 1, The cryogenic high pressure helium of flow control valve 1 directly flows to cold test platform 51 through flow control valve 10, by flow control valve 11 outflows.
F) it vacuumizes circuit one: before the operation of helium major loop, opening manual modulation valve one 2,25,11,37, four 8,12,5 11,24,25,26,6 16,9 21,10 and flow control valve 1,2 15, 3 26, manual modulation valve 13,16 and flow control valve 8 34,6 32,5 31,9 41,14 are closed, by vacuum System interface 1 and vacuum system interface 86 connect, and flow control valve 7 33 and 18 are opened simultaneously, in this way, in vacuum pump Under 78 continuous action, helium major loop is evacuated.When helium major loop does not vacuumize, by vacuum system from vacuum system It is disconnected at interface 86.
The working principle in the helium compensation circuit are as follows: when the helium in helium primary heat transport system is needed through experiment loss When compensation, flow control valve 17,16,15,13 and manual modulation valve 19 are closed, opens flow control Valve 14 processed, the high-pressure helium in air accumulator 60 are supplied through flow indicator gauge 2 61 and flow control valve 14 to major loop Helium.When the helium in air accumulator 60 is also needed compensation for through using, close flow control valve 17,16,15, 14 and manual modulation valve 18,20,19, open manual modulation valve 17 and flow control valve 13 59, high-pressure helium is flowed out from helium tank, through manual modulation valve 17, Pressure Relief Valve 56, pressure-regulating valve 1, flow Control valve 13 enters air accumulator 60.
The effect that helium compensates subelement in circuit is as follows:
Pressure Relief Valve 56: play safety valve.
Pressure-regulating valve 1: the pressure adjusted in helium compensation circuit opens manual modulation valve ten when it is desired to be used 8 57, when not needing in use, closing manual modulation valve 18.
Pressure-regulating valve 2 65: adjusting the pressure in air accumulator 60, when it is desired to be used, opens flow control valve 15 63, when not needing in use, closing flow control valve 15.
Safety valve 3 64: the pressure relief valve of back pressure type.
The subsidiary loop in helium compensation circuit is as follows:
A) it vacuumizes circuit two: before air accumulator stores helium, closing 14,15,17 and of flow control valve Manual modulation valve 19,17,20 opens flow control valve 13 and 16, by flow control valve 16 67 and vacuum system interface 86 connect, under the continuous action of vacuum pump 78, helium compensation circuit be evacuated;When helium compensates When circuit does not vacuumize, vacuum system is disconnected from vacuum system interface 86.
B) helium purification circuit: when the helium in air accumulator, which contains impurity, to be needed to purify, flow control valve 14 is closed 62,13,16,15 and manual modulation valve 19, open flow control valve 17 and manual modulation valve two 12,23, purification system interface 70 and purification system interface 85 are connected, purification system interface 84 connects air accumulator 60, in this way, in clarifier 82(active carbon etc.) under continuous action, air accumulator 60 is returned after helium is purified.
C) when the hypertonia in air accumulator 60,14,13,17,16 and of flow control valve is closed Manual modulation valve 19 opens flow control valve 15, adjusts the pressure in air accumulator by pressure-regulating valve 2 65.
Under helium primary heat transport system and the collective effect of helium compensation circuit system, 25 DEG C -550 of temperature can be tentatively provided DEG C and pressure helium 5-10MPa, to meet the needs of the following fusion reactor internal part performance test.
Although the illustrative specific embodiment of the present invention is described above, in order to the technology of the art Personnel understand the present invention, and will be apparent to the skilled artisan that the present invention is not limited to the ranges of specific embodiment, to the common skill of the art For art personnel, if various change the attached claims limit and determine the spirit and scope of the present invention in, these Variation is it will be apparent that all utilize the innovation and creation of present inventive concept in the column of protection.

Claims (8)

1. a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test, it is characterised in that: include helium Major loop, helium subsidiary loop, helium compensation circuit and helium compensate subsidiary loop, and the helium major loop includes gas Compressor, the outlet of gas compressor are sequentially connected manual modulation valve one, flow control valve one, heat exchanger one, manually adjust Valve two, electric heater one, manual modulation valve three, manual modulation valve four, electric heater two, manual modulation valve five, manual modulation valve 24, electric heater three, manual modulation valve 26, gas mixer one, flow control valve two, manual modulation valve six enter Thermal test platform, it is mixed that the outlet of Thermal test platform is sequentially connected manual modulation valve nine, heat exchanger one, flow indicator gauge one, gas The import of clutch two, air cooling compressor, filter, flow control valve three, manual modulation valve ten and the gas compressor, Manual modulation valve 11 is parallel between manual modulation valve two and manual modulation valve three, in manual modulation valve four and manual modulation valve It is parallel with manual modulation valve 12 between five, is parallel between manual modulation valve 24 and manual modulation valve 26 manually Regulating valve 25;
The helium subsidiary loop are as follows: the outlet of the flow control valve one also passes through flow control valve four and gas mixing The import of device one connects, and the outlet of flow control valve one is also respectively connected with flow control valve ten and flow control valve 12, flow Control valve 12 is connect with the import of gas mixer two, the import of the outlet connection cold test platform of flow control valve ten, cold survey Test stand outlet connection manual modulation valve 11 import, manual modulation valve 11 outlet connection gas mixer two into Mouthful;The outlet of flow control valve three is also connected with manual modulation valve 13, and manual modulation valve 13 is sequentially connected manual modulation valve ten Four, the import of water-cooling system, the outlet of water-cooling system are sequentially connected manual modulation valve 15, heat exchanger two and manual modulation valve 14 import, the outlet of manual modulation valve 15 are also connected with the import of manual modulation valve 16, and manual modulation valve 16 goes out The import of mouth connection gas compressor;
The helium compensation circuit includes air accumulator and storage cylinder, and the one outlet of air accumulator is sequentially connected flow indicator The import of table two, flow control valve 14 and flow control valve one, the outlet of storage cylinder are sequentially connected manual modulation valve 17, pressure The import of power bleeder valve, pressure-regulating valve one, flow control valve 13 and the air accumulator, in the Pressure Relief Valve Import is also connected with manual modulation valve 20, and the import of manual modulation valve 20 is connected with the interface for helium, adjusts in pressure The both ends of valve one are also parallel with manual modulation valve 18;
The helium compensates subsidiary loop are as follows: the one outlet of the air accumulator is separately connected flow control valve 15, stream The outlet of the import of control valve 16, flow control valve 17, flow control valve 16 connects vacuum system, flow control valve 17 outlet is connected with purification system, and the outlet of flow control valve 15 is separately connected pressure-regulating valve two and safety valve three, The outlet of pressure-regulating valve two connects helium gas emission interface.
2. a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test according to claim 1, It is characterized in that: being also connected with manual modulation valve 19 in the one outlet of the air accumulator, be also connected on air accumulator Overload protection connector three.
3. a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test according to claim 1, It is characterized in that: being separately connected flow control valve five and flow control in the outlet end of the manual modulation valve two and electric heater two Valve six processed;Flow control valve seven and flow control valve eight, the flow is also respectively connected in the outlet of manual modulation valve nine The outlet of control valve seven is connected with vacuum system.
4. a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test according to claim 3, Be characterized in that: the vacuum system includes vacuum pump, and the outlet of vacuum pump is connected with flow control valve 18, flow control The outlet of valve 18 is connected with exhaust outlet, and the outlet of the flow control valve 16 and the outlet of flow control valve seven connect respectively Connect the vacuum interface of the vacuum pump.
5. a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test according to claim 1, Be characterized in that: the purification system includes clarifier, and the inlet and outlet of clarifier is connected separately with manual modulation valve two 12 and manual modulation valve 23, the outlet connection of the flow control valve 17 manual modulation valve 22 Import.
6. a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test according to claim 1, Be characterized in that: the water-cooling system includes sequentially connected cooling tower, manual modulation valve 21 and water pump, and described is cold But the import connection of the tower manual modulation valve 14, the outlet connection of the water pump manual modulation valve 15.
7. a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test according to claim 1, It is characterized in that: being connected to outlet and the heat exchanger one of flow control valve one after safety valve one and safety valve two are connected Exit.
8. a kind of high temperature and pressure helium cooling system for fusion reactor internal part performance test according to claim 1, It is characterized in that: being connected with overload protection connector one on the electric heater three, overload is connected on electric heater three and is protected Protect connector two.
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JPH08128745A (en) * 1991-09-02 1996-05-21 Hitachi Ltd Supercritical helium cooling system and method for operating the same
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CN107621334A (en) * 2016-07-15 2018-01-23 核工业西南物理研究院 For hot helium leak test gas heating circulation system and quickly heat cooling means
CN107067918A (en) * 2017-06-16 2017-08-18 西南石油大学 The helium experimental loop device of fusion reactor

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