CN106504804A - A kind of cooling system and method for spent fuel transport container in discharge process - Google Patents
A kind of cooling system and method for spent fuel transport container in discharge process Download PDFInfo
- Publication number
- CN106504804A CN106504804A CN201611259705.0A CN201611259705A CN106504804A CN 106504804 A CN106504804 A CN 106504804A CN 201611259705 A CN201611259705 A CN 201611259705A CN 106504804 A CN106504804 A CN 106504804A
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- China
- Prior art keywords
- transport container
- spent fuel
- fuel transport
- way valve
- heat exchanger
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/04—Means for controlling flow of coolant over objects being handled; Means for controlling flow of coolant through channel being serviced, e.g. for preventing "blow-out"
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/19—Reactor parts specifically adapted to facilitate handling, e.g. to facilitate charging or discharging of fuel elements
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
A kind of cooling system for spent fuel transport container in discharge process, wherein waste gas recovery mouth connecting plate type heat exchanger, plate type heat exchanger connects filter, filter connection spent fuel transport container outlet, and on the pipeline between waste gas recovery mouth and plate type heat exchanger, have temperature sensor A, and have temperature sensor B on the pipeline between plate type heat exchanger and filter.Plate type heat exchanger is also respectively connected with three-way valve A and three-way valve B, and three-way valve A connects cooling water inlet, three-way valve B, three-way valve C respectively, and three-way valve B connects coolant outlet；And three-way valve C is connected compressed air inlet respectively and is connected with docking spent fuel transport container entrance；Spent fuel transport container entrance is all connected with spent fuel transport container with spent fuel transport container outlet.
Description
Technical field
The technology belongs to field of cooling, and in particular to a kind of cooling for spent fuel transport container in discharge process
System and method.
Background technology
The in-service run duration of nuclear power station, the irradiated fuel assembly drawn off from reactor need first to be temporarily stored into the weary of fuel factory building
In fuel pit, after long-time cooling release waste heat, need to transport reprocessing plant to and processed.In transport process, need
Spentnuclear fuel is loaded shipping container and spentnuclear fuel is drawn off from shipping container.When spentnuclear fuel is unloaded, for spentnuclear fuel
The characteristics of Decay heat removal amount is big, it is desirable to which spent fuel transport container must is fulfilled for temperature requirement.It is thus desirable to Development and design one kind is unloaded
The cooling device of spent fuel transport container in material cooling procedure.
The cooling system of spent fuel transport container is the indispensable auxiliary equipment for carrying out discharging operations to spent fuel transport container,
Which can be inflated exhaust, water-filling exhaust, Water-cooling circulating to spent fuel transport container, make more than spent fuel transport container satisfaction
Require, so as to realize the safety unloading of irradiated fuel assembly.
Content of the invention
It is an object of the invention to：A kind of cooling system and side for spent fuel transport container in discharge process is provided
Method, realizes the discharge to spentnuclear fuel waste heat in spent fuel transport container, reduces the surface temperature of irradiated fuel assembly, and auxiliary completes weary
The safety of fuel assembly draws off work.
Technical scheme is as follows：A kind of cooling system for spent fuel transport container in discharge process, waste gas
Recovery port connecting plate type heat exchanger, plate type heat exchanger connect filter, and filter connection spent fuel transport container outlet board-like is changed
Hot device is also respectively connected with three-way valve A and three-way valve B, and three-way valve A connects cooling water inlet, three-way valve B, threeway respectively
Valve C, three-way valve B connect coolant outlet；And three-way valve C connect compressed air inlet respectively with dock spentnuclear fuel transport
Container entrance connects；Spent fuel transport container entrance is all connected with spent fuel transport container with spent fuel transport container outlet 13.
There is temperature sensor A on pipeline between waste gas recovery mouth and plate type heat exchanger, and in plate type heat exchanger and mistake
There is temperature sensor B on pipeline between filter.
A kind of cooling means for the cooling system of spent fuel transport container in discharge process, comprises the following steps：
Step one：Inflation exhaust；Compressed air is entered by compressed air inlet, three-way valve C, spent fuel transport container
Mouth injection spentnuclear fuel transfer container；And the high-temperature gas in spent fuel transport container is through spent fuel transport container outlet, filter
To plate type heat exchanger, and pass through waste gas recovery mouth discharge system after cooling process in plate type heat exchanger；
Step 2：Water-filling is vented, cooling water by cooling water inlet, three-way valve A after plate type heat exchanger heats up through three
Port valve door B, three-way valve C, spent fuel transport container entrance injection spent fuel transport container,；
Step 3：The Water-cooling circulating stage：Cooling water is by cooling water inlet, three-way valve A, three-way valve C, spentnuclear fuel fortune
Defeated container entrance injects spent fuel transport container.
In the step one, temperature sensor A, temperature sensor B carry out monitoring temperature.
In the step 2, temperature sensor A, temperature sensor B carry out monitoring temperature.
In the step 3, temperature sensor A, temperature sensor B carry out monitoring temperature.
In the step one, cooling water flows into plate type heat exchanger by cooling water inlet, three-way valve A, in plate-type heat-exchange
In device, circulation passed through three-way valve B, coolant outlet discharge system after one week.
In the step 2, gas in spent fuel transport container is exported by spent fuel transport container, filter and
Pass through waste gas recovery mouth discharge system after cooling process in plate type heat exchanger.
In the step 3, the high-temperature water in spent fuel transport container is exported by spent fuel transport container, filter,
Pass through waste gas recovery mouth discharge system after cooling process in plate type heat exchanger.
The remarkable result of the present invention is：Discharging refrigerating function can be realized, weary combustion in spent fuel transport container can be discharged
The waste heat of material component, reduces the surface temperature of irradiated fuel assembly, it is to avoid excessive temperature stress is caused brokenly to fuel assembly involucrum
Bad；By valve transfer loop, so as to realize different functions.This design greatly simplify structure, increased reality
The property used；Can make spent fuel transport container biological shielding be formed full of boron water, reach the effect of shielding radioactive substance.Subtract simultaneously
Its irradiation intensity to environment little, reduces personnel's radioactive dose.
Description of the drawings
Fig. 1 is the cooling system schematic diagram for spent fuel transport container in discharge process of the present invention
In figure：1 waste gas recovery mouth, 2 cooling water inlets, 3 coolant outlets, 4 compressed air inlets, 5 temperature sensor A, 6
Three-way valve A, 7 three-way valve B, 8 three-way valve C, 9 spent fuel transport container entrances, 10 plate type heat exchangers, 11 temperature sensors
B, 12 filters, the outlet of 13 spent fuel transport containers
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As illustrated, a kind of cooling system for spent fuel transport container in discharge process, wherein waste gas recovery mouth 1 connect
Connect plate type heat exchanger 10, plate type heat exchanger 10 connects filter 12, the connection spent fuel transport container of filter 12 outlet 13, and
There is temperature sensor A5 on pipeline between waste gas recovery mouth 1 and plate type heat exchanger 10, and in plate type heat exchanger 10 and filter
There is temperature sensor B11 on pipeline between 12.
Plate type heat exchanger 10 is also respectively connected with three-way valve A6 and three-way valve B7, and three-way valve A6 connects cooling water respectively
Entrance 2, three-way valve B7, three-way valve C8, three-way valve B7 connect coolant outlet 3；And three-way valve C8 connects pressure respectively
Contracting air intake 4 is connected with docking spent fuel transport container entrance 9；Spent fuel transport container entrance 9 and spent fuel transport container
Outlet 13 is all connected with spent fuel transport container.
A kind of cooling means for spent fuel transport container in discharge process, comprises the following steps
Step one：Inflation exhaust；Compressed air is held by compressed air inlet 4, three-way valve C 8, spentnuclear fuel transports
Device entrance 9 injects spentnuclear fuel transfer container；And the high-temperature gas in spent fuel transport container through spent fuel transport container outlet 13,
Filter 12 is to plate type heat exchanger 10, and in plate type heat exchanger 10 passes through 1 discharge system of waste gas recovery mouth after cooling process；
At the same time, cooling water flows into plate type heat exchanger 10 by cooling water inlet 2, three-way valve A 6, flows in plate type heat exchanger 10
By three-way valve B 7,3 discharge system of coolant outlet after logical one week, temperature sensor A 5, temperature sensor B during this
11 are responsible for monitoring temperature, and feed back to control system；
Step 2：Water-filling is vented, and cooling water is by cooling water inlet 2, three-way valve A 6 after the intensification of plate type heat exchanger 10
Through three-way valve B7, three-way valve C8, the injection spent fuel transport container of spent fuel transport container entrance 9, meanwhile, spentnuclear fuel is transported
Gas in container is after spent fuel transport container exports 13, filter 12 and processes through cooling in plate type heat exchanger 10
By 1 discharge system of waste gas recovery mouth, during this, temperature sensor A 5, temperature sensor B 11 are responsible for monitoring temperature, and instead
Feed control system；
Step 3：The Water-cooling circulating stage：Cooling water is by cooling water inlet 2, three-way valve A 6, three-way valve C 8, weary
Fuel transport container entrance 9 injects spent fuel transport container, meanwhile, the high-temperature water in spent fuel transport container is transported by spentnuclear fuel
Defeated container outlet 13, filter 12, by 1 discharge system of waste gas recovery mouth after cooling process in plate type heat exchanger 10, this
During temperature sensor A5, temperature sensor B 11 be responsible for monitoring temperature, and feed back to control system.
Claims (9)
1. a kind of cooling system for spent fuel transport container in discharge process, it is characterised in that：Compressed air outlet (1) is even
Plate type heat exchanger (10) is connect, plate type heat exchanger (10) connection filter (12), filter (12) connection spent fuel transport container go out
Mouth (13), plate type heat exchanger (10) are also respectively connected with three-way valve A (6) and three-way valve B (7), and three-way valve A (6) connects respectively
Meet cooling water inlet (2), three-way valve B (7), three-way valve C (8), three-way valve B (7) connections coolant outlet (3)；And three
Port valve door C (8) is connected compressed air inlet (4) respectively and is connected with docking spent fuel transport container entrance (9)；Spentnuclear fuel transport is held
Device entrance (9) is all connected with spent fuel transport container with spent fuel transport container outlet (13).
2. a kind of cooling system for spent fuel transport container in discharge process according to claim 1, its feature exist
In：There is temperature sensor A (5) on pipeline between waste gas recovery mouth (1) and plate type heat exchanger (10), and in plate type heat exchanger
(10) there is temperature sensor B (11) on the pipeline and between filter (12).
3. a kind of cooling means for the cooling system of spent fuel transport container in discharge process as claimed in claim 2,
It is characterized in that：Comprise the following steps：
Step one：Inflation exhaust；Compressed air is passed through compressed air inlet (4), three-way valve C (8), spent fuel transport container
Entrance (9) injects spentnuclear fuel transfer container；And the high-temperature gas in spent fuel transport container is exported through spent fuel transport container
(13), filter (12) is to plate type heat exchanger (10), and in plate type heat exchanger (10) passes through waste gas recovery after cooling process
Mouth (1) discharge system；
Step 2：Water-filling is vented, and cooling water is heated up in plate type heat exchanger (10) by cooling water inlet (2), three-way valve A (6)
By three-way valve B (7), three-way valve C (8), spent fuel transport container entrance (9) injection spent fuel transport container,；
Step 3：The Water-cooling circulating stage：Cooling water is by cooling water inlet (2), three-way valve A (6), three-way valve C (8), weary
Fuel transport container entrance (9) injects spent fuel transport container.
4. a kind of cooling means for spent fuel transport container in discharge process according to claim 3, its feature exist
In：In the step one, temperature sensor A (5), temperature sensor B (11) carry out monitoring temperature.
5. a kind of cooling means for spent fuel transport container in discharge process according to claim 3, its feature exist
In：In the step 2, temperature sensor A (5), temperature sensor B (11) carry out monitoring temperature.
6. a kind of cooling means for spent fuel transport container in discharge process according to claim 3, its feature exist
In：In the step 3, temperature sensor A (5), temperature sensor B (11) carry out monitoring temperature.
7. a kind of cooling means for spent fuel transport container in discharge process according to claim 3, its feature exist
In：In the step one, cooling water flows into plate type heat exchanger (10) by cooling water inlet (2), three-way valve A (6), board-like
In heat exchanger (10), circulation passed through three-way valve B (7), coolant outlet (3) discharge system after one week.
8. a kind of cooling means for spent fuel transport container in discharge process according to claim 3, its feature exist
In：In the step 2, gas in spent fuel transport container by spent fuel transport container outlet (13), filter (12),
And pass through waste gas recovery mouth (1) discharge system after cooling process in plate type heat exchanger (10).
9. a kind of cooling means for spent fuel transport container in discharge process according to claim 3, its feature exist
In：In the step 3, the high-temperature water in spent fuel transport container is by spent fuel transport container outlet (13), filter
(12), in plate type heat exchanger (10), pass through waste gas recovery mouth (1) discharge system after cooling process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611259705.0A CN106504804A (en) | 2016-12-30 | 2016-12-30 | A kind of cooling system and method for spent fuel transport container in discharge process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611259705.0A CN106504804A (en) | 2016-12-30 | 2016-12-30 | A kind of cooling system and method for spent fuel transport container in discharge process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106504804A true CN106504804A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611259705.0A Pending CN106504804A (en) | 2016-12-30 | 2016-12-30 | A kind of cooling system and method for spent fuel transport container in discharge process |
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| CN (1) | CN106504804A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391031A (en) * | 2019-07-25 | 2019-10-29 | 中国原子能科学研究院 | Micro reactor discharge method and device for discharging |
| CN110600156A (en) * | 2019-08-30 | 2019-12-20 | 广东核电合营有限公司 | Circulation cooling method for spent fuel transfer container of million-kilowatt nuclear power plant |
| WO2021051659A1 (en) * | 2019-09-16 | 2021-03-25 | 中广核工程有限公司 | Spent fuel assembly uncovering and recycling system and method |
Citations (4)
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| JPH11337691A (en) * | 1998-05-29 | 1999-12-10 | Hitachi Zosen Corp | Vacuum drying device for spent nuclear fuel containment vessel |
| US9117558B1 (en) * | 2011-04-26 | 2015-08-25 | Nac International, Inc. | System and method to control spent nuclear fuel temperatures |
| CN104952506A (en) * | 2015-06-12 | 2015-09-30 | 中国核电工程有限公司 | Spent fuel module transporting container |
| CN105931688A (en) * | 2016-04-21 | 2016-09-07 | 中广核核电运营有限公司 | Method for infield transporting and unloading of spent fuel in nuclear power plant |
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2016
- 2016-12-30 CN CN201611259705.0A patent/CN106504804A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| JPH11337691A (en) * | 1998-05-29 | 1999-12-10 | Hitachi Zosen Corp | Vacuum drying device for spent nuclear fuel containment vessel |
| US9117558B1 (en) * | 2011-04-26 | 2015-08-25 | Nac International, Inc. | System and method to control spent nuclear fuel temperatures |
| CN104952506A (en) * | 2015-06-12 | 2015-09-30 | 中国核电工程有限公司 | Spent fuel module transporting container |
| CN105931688A (en) * | 2016-04-21 | 2016-09-07 | 中广核核电运营有限公司 | Method for infield transporting and unloading of spent fuel in nuclear power plant |
Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391031A (en) * | 2019-07-25 | 2019-10-29 | 中国原子能科学研究院 | Micro reactor discharge method and device for discharging |
| CN110391031B (en) * | 2019-07-25 | 2021-09-14 | 中国原子能科学研究院 | Miniature reactor unloading method and unloading device |
| CN110600156A (en) * | 2019-08-30 | 2019-12-20 | 广东核电合营有限公司 | Circulation cooling method for spent fuel transfer container of million-kilowatt nuclear power plant |
| CN110600156B (en) * | 2019-08-30 | 2021-03-02 | 广东核电合营有限公司 | Circulation cooling method for spent fuel transfer container of million-kilowatt nuclear power plant |
| WO2021051659A1 (en) * | 2019-09-16 | 2021-03-25 | 中广核工程有限公司 | Spent fuel assembly uncovering and recycling system and method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20170315 |