CN205582509U - Small -size reactor safety shell - Google Patents
Small -size reactor safety shell Download PDFInfo
- Publication number
- CN205582509U CN205582509U CN201620380182.4U CN201620380182U CN205582509U CN 205582509 U CN205582509 U CN 205582509U CN 201620380182 U CN201620380182 U CN 201620380182U CN 205582509 U CN205582509 U CN 205582509U
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- Prior art keywords
- encloser
- water pipe
- reactor containment
- small reactor
- outlet
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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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- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The utility model discloses a small -size reactor safety shell, this small -size reactor safety shell have external shell and built -in shell, have certain accommodation space between external shell and the built -in shell and form the air runner, built -in shell inside has detecting element, and small -size reactor safety shell one side has the water tank, and this water tank delivery port is connected with the water pipe, and the delivery port of this water pipe extends to the below of air outlet, the delivery port of water pipe sets up down, and water outlet of the water pipe's below is equipped with the fan, and the rivers that water outlet of the water pipe flows can drive the fan and carry out work, are equipped with the motorised valve of control flow business turn over on the water pipe, and central control system can be according to the switch of built -in shell inside detecting element's detection signal control motorised valve. The utility model discloses in being applied to small -size reactor, not only can realize the effectual natural circulation of air, guarantee the safety of reactor, also can reach the requirement of the active heat extraction of non -.
Description
Technical field
This utility model relates to the technical field of nuclear power, particularly relates to a kind of Small reactor containment.
Background technology
Existing large reactor (such as AP1000 and AP600) generally arranges passive containment, non-energy
Dynamic containment is also both for large reactor design, and containment height is more than 50 meters, is so conducive to
Form the Natural Circulation of air, it is possible to be greatly increased the safety of nuclear power station.But this technology can not be direct
It is applied to Small reactor, because Small reactor height is shorter, generally below 20 meters, if passive
Containment is used on Small reactor, owing to the height of Small reactor is shorter, it is difficult to formed effective empty
Gas Natural Circulation, thus do not reach the requirement of passive heat extraction.
Utility model content
The purpose of this utility model is that providing a kind of can promote that air circulates, realizes passive heat extraction
Small reactor containment.
For solving above-mentioned technical problem, this utility model offer techniques below scheme:
A kind of Small reactor containment, the bottom of these Small reactor containment both sides has air intake,
This Small reactor containment has outer encloser and interior encloser, has certain between outer encloser and interior encloser
Accommodation space also forms air flow channel, and the top of outer encloser has air outlet slit, and air can be answered from small size back
The air intake of heap containment both sides enters, via the air flow channel between outer encloser and interior encloser from external
The air outlet slit in roof portion flows out；
Having detecting element inside described interior encloser, this detecting element is used for detecting Small reactor containment
Internal pressure and temperature, Small reactor containment side has water tank, and this water outlet of water tank connects to be had
Water pipe, the outlet of this water pipe extends to the lower section of described air outlet slit, and the outlet of water pipe is arranged down,
The lower section of water pipe outlet is provided with blower fan, and the current that water pipe outlet flows out can drive blower fan to be operated,
Water pipe is provided with the electrodynamic valve controlling current turnover, and central control system can be first according to the internal detection of interior encloser
The detection signal of part controls the switch of electrodynamic valve.
Further, top formation protruding upward one cross section of described outer encloser is the escape pipe of taper,
The top exit of escape pipe forms described air outlet slit, and described blower fan is arranged on the bottom of escape pipe, and
In the part bottom blower fan accommodation space between outer encloser and interior encloser.
Further, described water pipe outlet is provided with spray head, and the outlet of spray head is arranged down, and
It is positioned at the surface of described blower fan.
Further, the top of described outer encloser and interior encloser cross section is arch.
Further, described blower fan connects the outside having accumulator, accumulator to be arranged on described outer encloser.
This utility model is by arranging blower fan, when the pressure and temperature in Small reactor containment exceedes pre-
Limit value, drive blower fan to be operated by current, it is possible to greatly speed up the air flowing speed of air flow channel
Degree, strengthens cross-ventilation exchange capability of heat, it is ensured that the safety of nuclear power station, it is also possible to realize the most non-of blower fan
Conative function, it is not necessary to the input of any external energy, can ensure that blower fan can be thrown needs when
Enter to use, and then realize the passive property of Small reactor containment, passive containment is applied to little
In type reactor, the effective Natural Circulation of air can not only be realized, it is ensured that the safety of reactor, also
The requirement of passive heat extraction can be reached.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Small reactor containment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with
Accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of this utility model rather than complete
The embodiment in portion.
Embodiment:
A kind of Small reactor containment, Fig. 1 is the structural representation of Small reactor, as it is shown in figure 1,
The bottom of these Small reactor containment 11 both sides has air intake 11, this Small reactor containment 1
There is outer encloser 12 and interior encloser 13, there is between outer encloser 12 and interior encloser 13 certain accommodating sky
Between 14 and form air flow channel, the top of outer encloser 12 has air outlet slit 15, and air can be from small size back
The air intake 11 answering heap containment 1 both sides enters, via the sky between outer encloser 12 and interior encloser 13
The flow channel air outlet slit 15 from outer encloser 12 top flows out；
Described interior encloser 13 is internal has detecting element, and this detecting element is used for detecting Small reactor safety
Pressure and temperature within shell 1, Small reactor containment 1 side has water tank 16, this water tank 16
Outlet connects water pipe 17, and the outlet of this water pipe 17 extends to the lower section of described air outlet slit 15,
The outlet of water pipe 17 is arranged down, and the lower section of water pipe 17 outlet is provided with blower fan 18, and water pipe 17 goes out
The current that the mouth of a river is flowed out can drive blower fan 18 to be operated, and water pipe 17 is provided with the electricity controlling current turnover
Dynamic valve 19, central control system can control electronic according to the detection signal of the internal detecting element of interior encloser 13
The switch of valve 19.
The present embodiment Small reactor containment operationally, as it is shown in figure 1, air can from small size back should
The air intake 11 of heap containment 1 both sides enters, via the air between outer encloser 12 and interior encloser 13
The runner air outlet slit 15 from outer encloser 12 top flows out, if the pressure in Small reactor containment 1
When power and temperature are not less than pre-set limit, central control system controls electrodynamic valve and is closed, if
Pressure and temperature in Small reactor containment 1 exceedes pre-set limit, then detecting element can be by detection letter
Number reaching central control system, central control system controls electrodynamic valve and opens, and current can be from water pipe 17
Outlet flow out, and then drive blower fan 18 to move, not only drive between outer encloser 12 and interior encloser 13
Air flow channel in air movement, heat is transferred in atmospheric environment by air outlet slit 15 simultaneously.
The present embodiment is by arranging blower fan, when the pressure and temperature in Small reactor containment exceedes default
Limit value, drives blower fan to be operated by current, it is possible to greatly speed up the speed air flow of air flow channel,
Strengthen cross-ventilation exchange capability of heat, it is ensured that the safety of nuclear power station, it is also possible to realize the most passive of blower fan
Function, it is not necessary to the input of any external energy, can ensure that blower fan can put into needs when and make
With, and then realize the passive property of Small reactor containment, passive containment is applied to small size back
Answer in heap, the effective Natural Circulation of air can not only be realized, it is ensured that the safety of reactor, it is also possible to
Reach the requirement of passive heat extraction.
On the basis of above-described embodiment, it is preferred that as it is shown in figure 1, described shell 12 top is convex
Going out to form the escape pipe 20 that a cross section is taper, the top exit of escape pipe 20 forms described air and goes out
Mouth 15, described blower fan 18 is arranged on a part of position bottom the bottom of escape pipe 20, and blower fan 18
In accommodation space 14 between outer encloser 12 and interior encloser 13.
On the basis of above-described embodiment, it is preferred that as it is shown in figure 1, described water pipe 17 outlet is provided with
Spray head 21, the outlet of spray head 21 is arranged down, and is positioned at the surface of described blower fan 18.
On the basis of above-described embodiment, it is preferred that as it is shown in figure 1, described outer encloser 12 and interior encloser
The top of 13 cross sections is arch.
On the basis of above-described embodiment, it is preferred that as it is shown in figure 1, described blower fan 18 connects electric power storage
Pond 22, accumulator 22 is arranged on the outside of described outer encloser 12.
The present embodiment, by arranging accumulator, can be moved by electrical energy drive blower fan, strengthens air flow channel
Interior air movement, on the one hand can be with the start and stop of Artificial Control blower fan, and on the other hand, coordinating with current can
To play the effect of dual fail-safe, it is further ensured that the safety of reactor.
Various embodiments above is only in order to illustrate the technical solution of the utility model, but this utility model is not
Be limited to this embodiment, person of ordinary skill in the field possessed the ken in, not
On the premise of departing from this utility model objective, it is also possible to make a variety of changes.The technology of art
Personnel, from above-mentioned design, without performing creative labour, done all conversion, all fall within
In protection domain of the present utility model.
Claims (5)
1. a Small reactor containment, it is characterised in that the end of these Small reactor containment both sides
Portion has air intake, and this Small reactor containment has outer encloser and an interior encloser, outer encloser and built-in
Having certain accommodation space between shell and form air flow channel, the top of outer encloser has air outlet slit,
Air can enter, via between outer encloser and interior encloser by the air intake from Small reactor containment both sides
The air flow channel air outlet slit from external roof portion flow out；
Having detecting element inside described interior encloser, this detecting element is used for detecting Small reactor containment
Internal pressure and temperature, Small reactor containment side has water tank, and this water outlet of water tank connects to be had
Water pipe, the outlet of this water pipe extends to the lower section of described air outlet slit, and the outlet of water pipe is arranged down,
The lower section of water pipe outlet is provided with blower fan, and the current that water pipe outlet flows out can drive blower fan to be operated,
Water pipe is provided with the electrodynamic valve controlling current turnover, and central control system can be first according to the internal detection of interior encloser
The detection signal of part controls the switch of electrodynamic valve.
A kind of Small reactor containment the most according to claim 1, it is characterised in that outside described
Top formation protruding upward one cross section of encloser is the escape pipe of taper, and the top exit of escape pipe is formed
Described air outlet slit, described blower fan is arranged on the bottom of escape pipe, and the part bottom blower fan is positioned at
In accommodation space between outer encloser and interior encloser.
A kind of Small reactor containment the most according to claim 1, it is characterised in that described water
Pipe outlet is provided with spray head, and the outlet of spray head is arranged down, and is positioned at the surface of described blower fan.
A kind of Small reactor containment the most according to claim 1, it is characterised in that outside described
The top of encloser and interior encloser cross section is arch.
A kind of Small reactor containment the most according to claim 1, it is characterised in that described wind
Machine connects the outside having accumulator, accumulator to be arranged on described outer encloser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620380182.4U CN205582509U (en) | 2016-04-29 | 2016-04-29 | Small -size reactor safety shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620380182.4U CN205582509U (en) | 2016-04-29 | 2016-04-29 | Small -size reactor safety shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205582509U true CN205582509U (en) | 2016-09-14 |
Family
ID=56858212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620380182.4U Active CN205582509U (en) | 2016-04-29 | 2016-04-29 | Small -size reactor safety shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205582509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910076A (en) * | 2017-12-15 | 2018-04-13 | 厦门大学 | The passive balance system of nuclear reactor and the passive balance method of nuclear reactor |
| CN108520785A (en) * | 2018-06-19 | 2018-09-11 | 中国科学院上海应用物理研究所 | Passive residual heat removal system and residual heat removal method for molten salt reactor |
-
2016
- 2016-04-29 CN CN201620380182.4U patent/CN205582509U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910076A (en) * | 2017-12-15 | 2018-04-13 | 厦门大学 | The passive balance system of nuclear reactor and the passive balance method of nuclear reactor |
| CN108520785A (en) * | 2018-06-19 | 2018-09-11 | 中国科学院上海应用物理研究所 | Passive residual heat removal system and residual heat removal method for molten salt reactor |
| CN108520785B (en) * | 2018-06-19 | 2023-07-28 | 中国科学院上海应用物理研究所 | Passive waste heat discharging system and waste heat discharging method for molten salt reactor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |