CN209607428U - 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
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- CN209607428U CN209607428U CN201822271594.6U CN201822271594U CN209607428U CN 209607428 U CN209607428 U CN 209607428U CN 201822271594 U CN201822271594 U CN 201822271594U CN 209607428 U CN209607428 U CN 209607428U
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- cylinder
- orifice plate
- water inlet
- inlet pipe
- low temperature
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Abstract
The utility model 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.The beneficial effects of the utility model 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 utility model belongs to nuclear engineering technical field, and in particular to a kind of decaying for Deep Pool Low Temperature Heating Reactor
Cylinder.
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, special propose the utility model.
Utility model content
In view of the deficiencies in the prior art, the purpose of the utility model is to provide one kind to be used for deep water pond type low temperature supplying
The decaying cylinder of thermal reactor can sufficiently extend the die-away time of the cooling water of outflow reactor core, so that Core cooling water is entering one time
Radioactive level before the main pipeline of road weakens.
The technical solution of the utility model 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
Figure.
The beneficial effects of the utility model 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 utility model.
Fig. 2 is the structural schematic diagram of the first orifice plate in one embodiment of the utility model.
Fig. 3 is the structural schematic diagram of the second orifice plate in one embodiment of the utility model.
Fig. 4 is the structural schematic diagram of the third orifice plate in one embodiment of the utility model.
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 utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model provides a kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor, including have
The cylinder 3 of upper cover 7 and lower head 2；The cylinder 3 is provided with water inlet pipe 5 and outlet pipe 9；Water inlet pipe mouth absolute altitude is lower than water outlet
Nozzle 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 in the upper cover 7
On, the water inlet pipe mouth is towards the lower head 2.The water inlet pipe 5 protrudes into the cylinder 3, welds and connects with water inlet pipe bellows 4
It connects, outlet 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.It is described
Water inlet pipe support frame 13 is provided in cylinder 3；The water inlet pipe support frame 13 is welded to connect with cylinder 3, plays circumferential direction to water inlet pipe 5
Supporting role, and water inlet pipe support frame 13 is frame open-celled structure, to reduce the resistance that itself generates cooling water.The lower envelope
It is provided with supporting leg 1 on first 2, is provided with support ring 6 on the cylinder 3.The cylinder integral arrangement that decays is in Deep Pool Low Temperature Heating Reactor
Basin bottom, bottom of pond is fixed on by supporting leg 1, and circumferential support is carried out by support ring 6 in pool wall, sufficiently to meet equipment
Support requirement and shockproof requirements.Supporting leg 1 and lower head 2 weld, and support ring 6 and cylinder 3 are welded to connect.On the cylinder 3 also
It is provided with stiffening ring.The stiffening ring includes being set to the upper stiffening ring 11 on 3 top of cylinder and being set to the lower of 3 lower part of cylinder to add
Strong circle 12, is 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 hole
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
It is arranged close to the effluent pipe mouth.Second orifice plate 14 and third orifice plate 15 are close to central part and close to edge part
Separate the orifice plate that hole is less than intermediate portion aperture；The position of opening of second orifice plate 14 and third orifice plate 15 mutually staggers.
The aperture of first orifice plate 10 is gradually increased by center to edge, and central part does not set aperture.Each plate hole aperture it is reasonable
The circulation uniformity that can guarantee cooling water inside decaying cylinder is set, sufficiently to extend its die-away time.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, belonging to the utility model claims to these modifications and variations of the present invention
And its within the scope of equivalent technology, then the utility model 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 |
|---|---|---|---|
| CN201822271594.6U CN209607428U (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 |
|---|---|---|---|
| CN201822271594.6U CN209607428U (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 |
|---|---|
| CN209607428U true CN209607428U (en) | 2019-11-08 |
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ID=68398129
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822271594.6U Active CN209607428U (en) | 2018-12-29 | 2018-12-29 | A kind of decaying cylinder for Deep Pool Low Temperature Heating Reactor |
Country Status (1)
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|---|---|
| CN (1) | CN209607428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545416A (en) * | 2018-12-29 | 2019-03-29 | 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 CN201822271594.6U patent/CN209607428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109545416A (en) * | 2018-12-29 | 2019-03-29 | 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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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220607 Address after: 100031 12C, floor 12, building 4, yard 1, naoshikou street, Xicheng District, Beijing Patentee after: Zhonghe Yanlong Technology Co.,Ltd. Address before: No.1 courtyard, Sanqiang Road, Xinzhen, Fangshan District, Beijing Patentee before: CHINA INSTITUTE OF ATOMIC ENERGY |