CN109545416A - A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor - Google Patents
A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor Download PDFInfo
- Publication number
- CN109545416A CN109545416A CN201811653438.4A CN201811653438A CN109545416A CN 109545416 A CN109545416 A CN 109545416A CN 201811653438 A CN201811653438 A CN 201811653438A CN 109545416 A CN109545416 A CN 109545416A
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- China
- Prior art keywords
- cylinder
- orifice plate
- water inlet
- inlet pipe
- low temperature
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The present invention relates to a kind of decaying cylinders for Deep Pool Low Temperature Heating Reactor, the cylinder including having upper cover and lower head；The cylinder is provided with water inlet pipe and outlet pipe；Water inlet pipe mouth absolute altitude is lower than effluent pipe mouth absolute altitude；AND DEWATERING FOR ORIFICE STRUCTURE is provided between the water inlet pipe and outlet pipe.Beneficial effects of the present invention are as follows: being arranged by the water flow of the hardened structure of cylinder bore and bottom in and top out, sufficiently extend cooling water in cylinder intracorporal die-away time, can guarantee the die-away time for sufficiently extending fluid in the case where causing reasonable pressure drop.
Description
Technical field
The invention belongs to nuclear engineering technical fields, and in particular to a kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor.
Background technique
In a kind of design of Deep Pool Low Temperature Heating Reactor, a kind of decaying cylinder device need to be applied, so that generating in reactor core
Radionitrogen -16 can largely decay when by the decaying cylinder, finally make the radioactive level ratio of a pump house without declining
Weaken 4 orders of magnitude when subtracting tin.Decaying cylinder is integrally placed at the basin bottom of Deep Pool Low Temperature Heating Reactor, import and export difference
It is connected with hanging basket outer barrel adapter tube and primary coolant circuit pipe under reactor core, wherein water inlet pipe leads to decaying cylinder lower part, and in decaying cylinder
It is inside provided with reasonable AND DEWATERING FOR ORIFICE STRUCTURE, can sufficiently extend the die-away time of fluid in the case where causing reasonable pressure drop.
In view of this, the present invention is specifically proposed.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide one kind to be used for Deep Pool Low Temperature Heating Reactor
Decaying cylinder, can sufficiently extend outflow reactor core cooling water die-away time so that Core cooling water enter primary Ioops master
Radioactive level before pipeline weakens.
Technical scheme is as follows:
A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor, the cylinder including having upper cover and lower head；It is described
Cylinder is provided with water inlet pipe and outlet pipe；Water inlet pipe mouth absolute altitude is lower than effluent pipe mouth absolute altitude；Between the water inlet pipe and outlet pipe
It is provided with AND DEWATERING FOR ORIFICE STRUCTURE.
Further, the above-mentioned decaying cylinder for Deep Pool Low Temperature Heating Reactor, the effluent pipe mouth are opened on described
On end socket；The water inlet pipe protrudes into the cylinder, and the water inlet pipe mouth is towards the lower head.
Further, the above-mentioned decaying cylinder for Deep Pool Low Temperature Heating Reactor, the AND DEWATERING FOR ORIFICE STRUCTURE include the first hole
Plate, the second orifice plate and third orifice plate；Second orifice plate and third orifice plate are arranged close to the water inlet pipe mouth；First orifice plate
It is arranged close to the effluent pipe mouth.
Further, the above-mentioned decaying cylinder for Deep Pool Low Temperature Heating Reactor, second orifice plate and third orifice plate
It is the orifice plate close to central part and close to marginal portion aperture less than intermediate portion aperture；Second orifice plate and third
The position of opening of orifice plate mutually staggers.
Further, the above-mentioned decaying cylinder for Deep Pool Low Temperature Heating Reactor, the aperture of first orifice plate is in
The heart to edge is gradually increased, and central part does not set aperture.
Further, the above-mentioned decaying cylinder for Deep Pool Low Temperature Heating Reactor is provided with water inlet pipe in the cylinder
Support frame；The water inlet pipe support frame is frame open-celled structure.
Further, the above-mentioned decaying cylinder for Deep Pool Low Temperature Heating Reactor is provided with supporting leg on the lower head,
Support ring is provided on the cylinder.
Further, the above-mentioned decaying cylinder for Deep Pool Low Temperature Heating Reactor is additionally provided with reinforcement on the cylinder
Circle.
Beneficial effects of the present invention are as follows:
1) by the setting of the water flow of the hardened structure of cylinder bore and bottom in and top out, sufficiently extend cooling water in the intracorporal decaying of cylinder
Time can guarantee the die-away time for sufficiently extending fluid in the case where causing reasonable pressure drop.
2) the reasonable setting of each plate hole aperture can guarantee circulation uniformity of the cooling water inside decaying cylinder, sufficiently to prolong
Its long die-away time.
3) the water inlet pipe support frame of frame open-celled structure can reduce itself to cold while the fixation water inlet line
But the resistance that water generates.
4) supporting leg and support ring provide support for the cylinder, and stiffening ring plays booster action to cylinder strength.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the decaying cylinder for Deep Pool Low Temperature Heating Reactor of the invention.
Fig. 2 is the structural schematic diagram of the first orifice plate in one embodiment of the present of invention.
Fig. 3 is the structural schematic diagram of the second orifice plate in one embodiment of the present of invention.
Fig. 4 is the structural schematic diagram of the third orifice plate in one embodiment of the present of invention.
In above-mentioned attached drawing, 1, supporting leg；2, lower head；3, cylinder；4, water inlet pipe bellows；5, water inlet pipe；6, support ring；7,
Upper cover；8, outlet pipe bellows；9, outlet pipe；10, the first orifice plate；11, upper stiffening ring；12, lower stiffening ring；13, water inlet pipe
Support frame；14, the second orifice plate；15, third orifice plate.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the present invention provides a kind of decaying cylinders for Deep Pool Low Temperature Heating Reactor, including have upper envelope
First 7 and lower head 2 cylinder 3；The cylinder 3 is provided with water inlet pipe 5 and outlet pipe 9；Water inlet pipe mouth absolute altitude is lower than effluent pipe mouth
Absolute altitude；AND DEWATERING FOR ORIFICE STRUCTURE is provided between the water inlet pipe 5 and outlet pipe 9.The effluent pipe mouth is opened on the upper cover 7, institute
Water inlet pipe mouth is stated towards the lower head 2.The water inlet pipe 5 protrudes into the cylinder 3, is welded to connect with water inlet pipe bellows 4, out
Water pipe 9 and outlet pipe bellows 8 are welded to connect, and bellows is used to compensate the axially and radially expansion of equipment pipe.The cylinder 3
Inside it is provided with water inlet pipe support frame 13；The water inlet pipe support frame 13 is welded to connect with cylinder 3, plays circumferential support to water inlet pipe 5
Effect, and water inlet pipe support frame 13 is frame open-celled structure, to reduce the resistance that itself generates cooling water.The lower head 2
On be provided with supporting leg 1, be provided with support ring 6 on the cylinder 3.The cylinder integral arrangement that decays is in the water of Deep Pool Low Temperature Heating Reactor
Bottom of pond portion is fixed on bottom of pond by supporting leg 1, and carries out circumferential support by support ring 6 in pool wall, sufficiently to meet the branch of equipment
Support requires and shockproof requirements.Supporting leg 1 and lower head 2 weld, and support ring 6 and cylinder 3 are welded to connect.It is also set up on the cylinder 3
There is stiffening ring.The stiffening ring includes the upper stiffening ring 11 for being set to 3 top of cylinder and the lower stiffening ring for being set to 3 lower part of cylinder
12, reinforced with the intensity to cylinder 3.
After cooling water flows through reactor core, decaying cylinder lower part is entered by lower part water inlet pipe 5, in decaying cylinder from the bottom to top
Sufficiently after decaying, decaying cylinder is flowed out by top outlet pipe 9 and enters primary Ioops system.
The AND DEWATERING FOR ORIFICE STRUCTURE includes the first orifice plate 10 (as shown in Figure 2), the second orifice plate 14 (as shown in Figure 3) and third orifice plate
15 (as shown in Figure 4)；Second orifice plate 14 and third orifice plate 15 are arranged close to the water inlet pipe mouth；First orifice plate 10 leans on
The nearly effluent pipe mouth setting.Second orifice plate 14 and third orifice plate 15 are to separate close to central part and close to edge part
Hole is less than the orifice plate of intermediate portion aperture；The position of opening of second orifice plate 14 and third orifice plate 15 mutually staggers.It is described
The aperture of first orifice plate 10 is gradually increased by center to edge, and central part does not set aperture.The reasonable setting of each plate hole aperture
It can guarantee circulation uniformity of the cooling water inside decaying cylinder, sufficiently to extend its die-away time.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.If in this way, belonging to the model of the claims in the present invention and its equivalent technology to these modifications and changes of the present invention
Within enclosing, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor, it is characterised in that: including having upper cover (7) and lower head
(2) cylinder (3)；The cylinder (3) is provided with water inlet pipe (5) and outlet pipe (9)；Water inlet pipe mouth absolute altitude is lower than effluent pipe mouth mark
It is high；AND DEWATERING FOR ORIFICE STRUCTURE is provided between the water inlet pipe (5) and outlet pipe (9).
2. being used for the decaying cylinder of Deep Pool Low Temperature Heating Reactor as described in claim 1, it is characterised in that: the effluent pipe mouth
It opens on the upper cover (7)；The water inlet pipe (5) is protruded into the cylinder (3), and the water inlet pipe mouth is towards the lower head
(2)。
3. being used for the decaying cylinder of Deep Pool Low Temperature Heating Reactor as claimed in claim 2, it is characterised in that: the AND DEWATERING FOR ORIFICE STRUCTURE
Including the first orifice plate (10), the second orifice plate (14) and third orifice plate (15)；Second orifice plate (14) and third orifice plate (15) lean on
The nearly water inlet pipe mouth setting；First orifice plate (10) is arranged close to the effluent pipe mouth.
4. being used for the decaying cylinder of Deep Pool Low Temperature Heating Reactor as claimed in claim 3, it is characterised in that: second orifice plate
(14) and third orifice plate (15) is the orifice plate for being less than intermediate portion aperture close to central part and close marginal portion aperture；
The position of opening of second orifice plate (14) and third orifice plate (15) mutually staggers.
5. being used for the decaying cylinder of Deep Pool Low Temperature Heating Reactor as claimed in claim 3, it is characterised in that: first orifice plate
(10) aperture is gradually increased by center to edge, and central part does not set aperture.
6. the decaying cylinder for Deep Pool Low Temperature Heating Reactor as described in claim 2-5 is any, it is characterised in that: the cylinder
Water inlet pipe support frame (13) are provided in body (3)；The water inlet pipe support frame (13) is frame open-celled structure.
7. the decaying cylinder for Deep Pool Low Temperature Heating Reactor as described in claim 2-5 is any, it is characterised in that: under described
It is provided on end socket (2) supporting leg (1), is provided with support ring (6) on the cylinder (3).
8. the decaying cylinder a method as claimed in any one of claims 1 to 5 for Deep Pool Low Temperature Heating Reactor, it is characterised in that: the cylinder
Body is additionally provided with stiffening ring on (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653438.4A CN109545416A (en) | 2018-12-29 | 2018-12-29 | A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811653438.4A CN109545416A (en) | 2018-12-29 | 2018-12-29 | A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109545416A true CN109545416A (en) | 2019-03-29 |
Family
ID=65831776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811653438.4A Pending CN109545416A (en) | 2018-12-29 | 2018-12-29 | A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109545416A (en) |
Citations (11)
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| JPS62122094U (en) * | 1986-01-24 | 1987-08-03 | ||
| JPH0239000A (en) * | 1988-07-29 | 1990-02-08 | Hitachi Ltd | Attenuation tank |
| JP2001147295A (en) * | 1999-11-22 | 2001-05-29 | Norikazu Nemezawa | Radiation attenuation facility |
| CN102013277A (en) * | 2010-09-14 | 2011-04-13 | 中国原子能科学研究院 | Decay tank |
| CN203706681U (en) * | 2014-01-10 | 2014-07-09 | 济南居里宝辐射防护器材有限公司 | Radioactive sewage treatment equipment |
| CN104409114A (en) * | 2014-12-12 | 2015-03-11 | 中国科学院合肥物质科学研究院 | Flow distribution device used for tank-type forced circulation reactor |
| CN105374408A (en) * | 2015-11-27 | 2016-03-02 | 田力 | Deep well type atmospheric pressure heat supply nuclear reactor |
| CN105788689A (en) * | 2016-01-21 | 2016-07-20 | 新核（北京）能源科技有限公司 | Low temperature well-type nuclear heating reactor heat supply system |
| CN205810388U (en) * | 2015-11-27 | 2016-12-14 | 新核（北京）能源科技有限公司 | A kind of deep-wall type normal pressure supplying heat nuclear reactor |
| CN108682460A (en) * | 2018-05-23 | 2018-10-19 | 肖宏才 | Shallow pool nuclear energy low-temperature heat supply stack device and its operation method |
| CN209607428U (en) * | 2018-12-29 | 2019-11-08 | 中国原子能科学研究院 | A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor |
-
2018
- 2018-12-29 CN CN201811653438.4A patent/CN109545416A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62122094U (en) * | 1986-01-24 | 1987-08-03 | ||
| JPH0239000A (en) * | 1988-07-29 | 1990-02-08 | Hitachi Ltd | Attenuation tank |
| JP2001147295A (en) * | 1999-11-22 | 2001-05-29 | Norikazu Nemezawa | Radiation attenuation facility |
| CN102013277A (en) * | 2010-09-14 | 2011-04-13 | 中国原子能科学研究院 | Decay tank |
| CN203706681U (en) * | 2014-01-10 | 2014-07-09 | 济南居里宝辐射防护器材有限公司 | Radioactive sewage treatment equipment |
| CN104409114A (en) * | 2014-12-12 | 2015-03-11 | 中国科学院合肥物质科学研究院 | Flow distribution device used for tank-type forced circulation reactor |
| CN105374408A (en) * | 2015-11-27 | 2016-03-02 | 田力 | Deep well type atmospheric pressure heat supply nuclear reactor |
| CN205810388U (en) * | 2015-11-27 | 2016-12-14 | 新核（北京）能源科技有限公司 | A kind of deep-wall type normal pressure supplying heat nuclear reactor |
| CN105788689A (en) * | 2016-01-21 | 2016-07-20 | 新核（北京）能源科技有限公司 | Low temperature well-type nuclear heating reactor heat supply system |
| CN108682460A (en) * | 2018-05-23 | 2018-10-19 | 肖宏才 | Shallow pool nuclear energy low-temperature heat supply stack device and its operation method |
| CN209607428U (en) * | 2018-12-29 | 2019-11-08 | 中国原子能科学研究院 | A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor |
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