CN204596432U - A kind of Passive containment cooling system with heat pipe drainage set - Google Patents
A kind of Passive containment cooling system with heat pipe drainage set Download PDFInfo
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- CN204596432U CN204596432U CN201520330100.0U CN201520330100U CN204596432U CN 204596432 U CN204596432 U CN 204596432U CN 201520330100 U CN201520330100 U CN 201520330100U CN 204596432 U CN204596432 U CN 204596432U
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- containment
- heat pipe
- heat
- pipe drainage
- drainage set
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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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Abstract
The utility model provides a kind of Passive containment cooling system with heat pipe drainage set, this system comprises: this system comprises primary containment, outer containment and the cooling device being arranged on outer containment top, the heat pipe drainage set that primary containment is arranged, with at described primary containment, the guiding device dredging air circulation direction arranged between outer containment, cooling medium forms liquid film from top spray at primary containment, the fracture of liquid film can be suppressed on the one hand by heat pipe drainage set, the heat exchanger effectiveness that raising liquid film and air carry out, thus the heat on containment surface is discharged in containment, on the other hand, the heat transfer space that the heat on the containment surface do not covered by liquid film can be imported primary containment and outer containment is finally discharged in containment, thus completes the utility model, the Passive containment cooling system with heat pipe drainage set provided according to the utility model has high efficient heat exchanging, the feature such as safe and reliable and applied widely.
Description
Technical field
The utility model relates to nuclear reactor safety technical field, particularly relates to a kind of Passive containment cooling system with heat pipe drainage set.
Background technology
Containment be nuclear power plant when having an accident, last one safety curtain preventing radiomaterial from leaking.The large-scale advanced pressurized water reactor that China is is researching and developing at present adopt the technology similar with AP1000.AP1000 is the generation Ⅲ nuclear power system researched and developed by US Westinghouse company, have employed Passive containment cooling system, this cooling system have employed double layer security shell structure, and skin is concrete-shell, internal layer is steel containment vessel, the inside total measurement (volume) only thousands of cubic meters of steel containment vessel.Under accident conditions, high-temperature high-pressure medium is discharged in reactor, its increasing temperature and pressure process is very fast, namely the pressure-bearing limit of this system may be reached in short time, radiomaterial in containment is caused to strengthen to the possibility of Environment release, the high-temperature high-pressure medium of containment inside must be eliminated fast, Passive containment cooling system is introduced for the first time in the design of advanced pressurized water reactor AP1000, namely after coolant loss accident and main steam line rupture accident etc. occur discharging the accident of large energy to containment, in containment, pressure raises, after reaching containment high pressure setting valve, automatically trigger Passive containment cooling system drop into, chilled water flows out from the reserve tank at containment top, liquid film is formed at steel containment vessel outside surface after flow distribution device distributes.Falling liquid film flow along vertical surface has the advantages such as the high coefficient of heat transfer, high heat flux, power consumption be little, heat in containment can be passed through a series of energy transferring finally discharged to environment, reduce containment internal pressure, ensure that the integrality of containment, and then add the security of nuclear power plant.
Chinese patent CN102081976A discloses the complete Passive containment cooling system of a kind of Large Copacity.This containment cooling system can utilize the thermal parameter that sensor collection containment is relevant, follow the tracks of cooling procedure, multiple hutch in order to store different cooling medium is set above containment, realizes the Dynamic controlling to containment cooling power by the selection of cooling medium kind and the adjustment of coolant flow; By adopting general passive control module, the startup of this containment cooling system and whole service process can not rely on external impetus supply completely, therefore have non-energy dynamic characteristic completely.This invention employs multiple low boiling cooling medium, makes system become complicated, and adds construction and maintenance cost.
Due to the existence of the problems referred to above, the present inventor studies existing Passive containment cooling system designing technique and improves, to design a kind of structure simple, containment wall exchange capability of heat can be improved, increase the Passive containment cooling system with heat pipe drainage set of nuclear safety.
Utility model content
In order to solve the problems of the technologies described above, present inventor has performed and study with keen determination, adopt following technical scheme: this non-active cooling system comprises primary containment, outer containment and the cooling device being arranged on outer containment top, the heat pipe drainage set that primary containment is arranged, with at described primary containment, the guiding device dredging air circulation direction arranged between outer containment, cooling medium forms liquid film from top spray at primary containment, the fracture of liquid film can be suppressed on the one hand by heat pipe drainage set, the heat exchanger effectiveness that raising liquid film and air carry out, thus the heat on containment surface is discharged in containment, on the other hand, the heat transfer space that the heat on the containment surface do not covered by liquid film can be imported primary containment and outer containment is finally discharged in containment, thus completes the utility model.
The utility model object is to provide following aspect:
(1) have a Passive containment cooling system for heat pipe drainage set, it is characterized in that, this system comprises primary containment 3, outer containment 5 and is arranged on the cooling device at outer containment 5 top, wherein,
Described primary containment 3 lateral wall is provided with heat pipe drainage set 4.
(2) according to the above-mentioned Passive containment cooling system with heat pipe drainage set, it is characterized in that, described heat pipe drainage set 4 is one or more, and its shape is rib shape, and is that class annular is arranged along the circumference of primary containment 3 lateral wall.
(3) according to the above-mentioned Passive containment cooling system with heat pipe drainage set, it is characterized in that, described heat pipe drainage set 4 is arranged along the interval, precalculated position of primary containment 3 lateral wall.
(4) according to the above-mentioned Passive containment cooling system with heat pipe drainage set, it is characterized in that, the cross-section structure of described heat pipe drainage set 4 is rectangle, inverted trapezoidal, del or approximate del.
(5) according to the above-mentioned Passive containment cooling system with heat pipe drainage set, it is characterized in that, described heat pipe drainage set 4 comprises outer heat conductive layers 43 and inner imbibition reflux layer 44.
(6) according to the above-mentioned Passive containment cooling system with heat pipe drainage set, it is characterized in that, the heat transfer medium in described heat pipe drainage set 4 is preferably superconductive medium.
(7) according to the above-mentioned Passive containment cooling system with heat pipe drainage set, it is characterized in that, described inner imbibition reflux layer 44 is made up of foam metal or nano level metal.
(8) according to the above-mentioned Passive containment cooling system with heat pipe drainage set, it is characterized in that, described metal is copper.
According to the Passive containment cooling system with heat pipe drainage set that the utility model provides, there is following beneficial effect:
(1) Passive containment cooling system with heat pipe drainage set that the utility model provides, be suppress liquid-sheet disintegration by the high-efficiency heat conduction of heat pipe drainage set and the overall characteristic of timely discharge opeing, there is the characteristic of high efficient heat exchanging and non-passive safety;
(2) the heat pipe drainage set in the Passive containment cooling system that provides of the utility model, using superconductive medium as heat-transfer working medium, achieves quick transmission and the derivation of heat; And when heat pipe drainage set breaks, by the outer heat conductive layers of this heat pipe drainage set, the heat of containment wall can also be derived, make the reliable safety of containment;
(3), in the utility model, heat pipe drainage set does not affect by gravity, capillary force etc., and design flexibility is good, thus makes this Passive containment cooling system have the features such as structure is simple, easy for installation;
(4) the Passive containment cooling system usable range that provides of the utility model is wide, is not only applicable to AP1000, is also applicable to other containment cooling systems.
Accompanying drawing explanation
Fig. 1 illustrates the structural representation with the Passive containment cooling system of heat pipe drainage set according to a kind of preferred implementation of the utility model;
Fig. 2 illustrates the structural representation of the heat pipe drainage set according to a kind of preferred implementation of the utility model;
Fig. 3 illustrates the section shape schematic diagram of the heat pipe drainage set according to a kind of preferred implementation of the utility model.
Drawing reference numeral illustrates:
1-refrigerant storage case
2-sprinkling equipment
3-primary containment
4-heat pipe drainage set
41-hot junction
42-cold junction
43-outer heat conductive layers
The inner imbibition reflux layer of 44-
The outer containment of 5-
6-air intake
71-air decline passway
72-air rising passway
8-guiding device
9-air out
10-condensation aggregating apparatus
Embodiment
Be described in detail below by the utility model, feature of the present utility model and advantage will illustrate along with these and become more clear, clear and definite.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
In the utility model, described containment refers to nuclear reactor safety shell, it is the building forming pressurized water reactor outermost, refer to contain most of system of nuclear steam supply system and the shell building of equipment, in order to hold reactor pressure vessel and Partial security system (comprises primary Ioops main system, equipment and shutdown cooling system), itself and external environment condition is completely isolated, expect the function that can realize safeguard protection barrier, described containment top is semisphere, internal diameter is 30m ~ 40m, wall thickness is 0.5m ~ 1m, height is 60 ~ 70m about, its intensity designs by antidetonation I class, containment is divided into individual layer and double shells by structure, and the internal layer of double shells is called main containment, mainly bears accident pressure, and skin is called secondary security shell, plays biological shielding and protective effect, leave toroidal cavity between two-layer, certain negative pressure can be kept, the radiomaterial of nuclear power station inside is not easily outwardly leaked.
Described Passive containment cooling system refer to occur coolant loss and main steam line to break etc. discharge accident from large energy to containment after, in containment, pressure raises, after reaching containment high pressure setting valve, do not need to rely on outside input and perform the system of its cooling, heat sinking function, heat in containment can be passed through a series of energy transferring finally discharged to environment by it, reduce containment internal pressure, ensure that the integrality of containment.
According in a preferred implementation of the present utility model, as shown in fig. 1, this system comprises primary containment 3, outer containment 5 and the cooling device being arranged on outer containment 5 top, wherein, described primary containment 3 lateral wall is provided with heat pipe drainage set 4, containment described in the utility model preferably has the containment of double shells, be made up of primary containment 3 and outer containment 5, described primary containment 3 lateral wall is provided with heat pipe drainage set 4, air intake 6 and air out 9 is respectively arranged with top above described outer containment 5 lateral wall, in the utility model, described outer containment 5 is preferably concrete containment, the material of described concrete containment is preferably prestressed concrete, described prestressed concrete is the phenomenon occurring crack in order to make up concrete too early, before component uses, give concrete precompression in advance, namely in concrete tensile region, by artificial afterburning method, reinforcing bar is carried out stretch-draw, utilize the retraction force of reinforcing bar, concrete in tension district is stressed in advance, when component bears by external load generation pulling force, first the precompression in concrete in tension zone is offset, then increase with load, just make concrete in tension, which limits concrete elongation, delay or do not make crack occur, described for prestressed concrete in outer containment 5 of the present utility model, considerably increase the security of this non-passive safety cooling system.
The utility model, when describing the general character of primary containment and outer containment, adopts containment as both general designations.
In the utility model, described heat pipe drainage set 4 takes full advantage of the Rapid Thermal hereditary property of heat-conduction principle and heat transfer medium, through heat pipe, the heat of thermal objects is delivered to rapidly outside thermal source, its capacity of heat transmission exceedes the capacity of heat transmission of any known metal, utilize heat transfer medium at the phase transition process of cold junction condensation, heat to be conducted fast after the evaporation of hot junction, namely heat pipe one end is evaporation ends, one end is condensation end in addition, when heat pipe one end is heated, heat transfer medium rapid vaporization in heat pipe, steam flows to other one end under the power of thermal diffusion, and at cold junction condensation releases heat, liquid heat transfer medium utilizes capillary action to flow back to hot junction along tube wall again, circulation like this is more than, until heat pipe two ends temperature is equal, this circulation is carried out fast, heat can be come by conduction continuously.
In one preferred embodiment, described heat pipe drainage set 4 is one or more, its shape is rib shape, and be that class annular is arranged along the circumference of primary containment 3 lateral wall, fin described in the utility model is also fin, be usually used in heat transmission equipment, use fin can increase heat transfer area, reduce the thermal resistance of convection heat transfer, strengthen equipment heat-transfer capability, in the utility model, such structure contributes to strengthening the air turbulence between adjacent heat pipe drainage set 4, the effect of strengthening cross-ventilation heat transfer, employing class is circular layout, namely at the circumferential interval of primary containment 3 lateral wall or arrange heat pipe drainage set 4 continuously, preferably adopt and heat pipe drainage set 4 is set along primary containment 3 lateral wall circumference compartment of terrain, the level of disruption of air can be increased, heat is discharged in containment, in the utility model, the number of described heat pipe drainage set 4 is preferably multiple, when designing this system, according to the size of primary containment 3 heat dissipation capacity, the size of installing space between primary containment 3 and outer containment 5, multiple heat pipe drainage set 4 can be chosen, according to predetermined arrangement mode composition heat-exchanger rig.During operation, if having heat pipe drainage set 4 breakage occurs, the heat of primary containment 3 wall can be derived by the outer heat conductive layers 43 of heat pipe drainage set 4, and operational reliability is high.
In further preferred embodiment, described heat pipe drainage set 4 is arranged along the interval, precalculated position of primary containment 3 lateral wall, described precalculated position refers to the arrangement position carrying out arranging described heat pipe drainage set 4 according to the different temperatures region on primary containment 3 surface, under this Passive containment cooling system is mainly used in the accidents such as cut, prevent the fluid ejection of cut place from causing over-temp and over-pressure in containment.After the ejection of cut fluid, pressure sharply declines, and becomes high-temperature gas, from bottom to top flows, the overwhelming majority and primary containment 3 top contact, and therefore, with regard to primary containment 3 surface temperature, its top and lateral wall top are high-temperature region; Lateral wall middle and upper part is middle warm area; Lateral wall bottom is low-temperature space.
At primary containment 3 top: on the one hand, because spraying of sprinkling equipment is a little designed more, the uniform distribution of liquid film can be guaranteed; On the other hand, even if cooling medium is subject to hot capillary force effect by high-temperature stream to low temperature, also new coolant fluid can be supplemented in time by sprinkling equipment, the flowing that heat pipe drainage set 4 hinders cooling medium on the contrary if arrange, preferably, heat pipe drainage set 4 is not set at primary containment 3 top.
Side wall upper part outside, the vertical thermograde of primary containment 3 wall is large, preferably, equidistantly arranges 16 heat pipe drainage sets 4 along primary containment 3 lateral wall circumference, and described heat pipe drainage set 4 entirety forms class annular; In the middle part of lateral wall and bottom, the vertical thermograde of primary containment wall is little, preferably, equidistantly arranges 12 heat pipe drainage sets 4 along primary containment 3 lateral wall circumference, and described heat pipe drainage set 4 entirety forms class annular.
Class annular described in the utility model refers to that heat pipe drainage set 4 to be arranged or in the circular arrangement of multiple class in the shape of a spiral along primary containment lateral wall, and often adjacent two class annulus in the vertical directions all have preset space length, preferably, described heat pipe drainage set 4 all has the form arrangement of preset space length according to every adjacent two class annulus in the vertical directions, can need to carry out concrete setting according to the size of whole outer wall and heat radiation.
In one preferred embodiment, as shown in Figure 3, the cross-section structure of described heat pipe drainage set 4 is rectangle, inverted trapezoidal, del or approximate del, approximate del refers in Atria bar limit to be all not necessarily straight line, the limit with radian can be had, lower so narrow wide structure, be conducive on the one hand reducing the air flow resistance in air rising passway 72, and increase its less turbulence, thus the liquid film making itself and the cooling medium sprayed from sprinkling equipment 2 be formed fully contacts, add convection heat transfer area, carry out efficient exchange heat, the heat of liquid film evaporation is discharged from air out the most at last, the liquid film thickened can be cut off in time on the other hand, reduce the difference of diverse location place thickness of liquid film, extend liquid because hot capillary action is by the time of thin location to thicker part movement, the temperature non of balance primary containment 3 wall, suppress the generation of thermocapillarity, avoid the fracture of liquid film, simultaneously, can also protect primary containment 3 wall not liquid body long-term corrosion and wash away, the heat that These characteristics makes described heat pipe drainage set 4 can not only be used for primary containment 3 outside surface under non-homogeneous wall temperature operating mode is derived, and can be used in the heat of primary containment 3 outside surface under even wall temperature operating mode and derive.
In one preferred embodiment, as shown in Fig. 3, Fig. 1, described heat pipe drainage set 4 comprises outer heat conductive layers 43 and inner imbibition reflux layer 44, when there is large break and losing the major accidents such as cooling medium, the heat entering primary containment 3 can be derived by described outer heat conductive layers 43, the air-flow of following air rising passway 73 is discharged from air out 9, described inner imbibition reflux layer 44 is made up of foam metal or nano level metal, described metal is preferably copper, is namely preferably made up of Nanometer Copper wire gauze.Because the startability of Nanometer Copper wire gauze and isothermal performance are better than plain metal silk screen, entire thermal resistance is less than plain metal silk screen, is conducive to the heat exchange property strengthening drainage set 4.
Another preferred embodiment in, as shown in Figure 2, the heat transfer medium in described heat pipe drainage set 4 is superconductive medium, and the material of described superconductive medium is preferably inorganic salts superconductor, as Nb
3sn, V
3ga or YBa
2cu
3o
7making the coefficient of heat conductivity of heat pipe drainage set 4 be about 10,000 times of common metal Deng, described superconductive medium, is ten times of conventional heat pipe, can transferring heat fast, effectively suppresses the temperature distributing disproportionation of primary containment 3 outside surface even; Secondly, described heat pipe drainage set 4 utilizes the dither of superconductive medium to conduct heat, less scaling in shell, bursting by freezing, failure rate is low; Moreover, described heat pipe drainage set 4 is made to have thermal adaptability widely, all can normally work at temperature between-70 DEG C to 1700 DEG C, adapt to the working range of Passive containment cooling system completely, in addition, the heat pipe drainage set 4 with superconductive medium does not affect by gravity, capillary force etc., and design flexibility is good, also can not be subject to the restriction of installation site in installation process.
In the utility model, the course of work of described heat pipe drainage set 4 is as follows: in hot junction 41, superconductive medium receives primary containment 3 wall high temperature side heat, rely on molecule concussion that heat energy is delivered to cold junction 42 fast to be similar to sound wave propagation velocity, flow to primary containment 3 wall low temperature side, superconductive medium, after cold junction 42 place's condensation release heat of heat pipe drainage set 4, is back to hot junction 41 along imbibition reflux layer 44 under capillary force effect, circulation like this, completes the quick transmission of heat.
In one preferred embodiment, the sprinkling equipment 2 that described cooling device comprises refrigerant storage case 1 and is positioned at below it, described refrigerant storage case 1 supplements cooling medium for storing and circulating, and avoids because cooling medium is not enough or exhaust accidents caused; Be configured with control device of flux distribution in described sprinkling equipment, this control device constantly to containment uniformly spraying cooling agent, thus can promote the exchange heat on cooling medium and primary containment surface.
In one preferred embodiment, the guiding device 8 dredging air circulation direction is provided with between described primary containment 3 and outer containment 5, the shape of described guiding device is selected from tabular, column or spherical, be preferably tabular, through described guiding device, being imported in air rising passway 72 by air decline passway 71 of the air even entered can be carried out exchange heat and transmission from air intake 6.
In one preferred embodiment, be also provided with condensation aggregating apparatus 10 in the below of described guiding device 8, have preset distance between described condensation aggregating apparatus 10 and described guiding device 8, described preset distance is 3m ~ 5m; Level monitoring opertaing device is provided with in described condensation aggregating apparatus 10, described refrigerant storage case 1 is externally connected to recirculation circuit, when the liquid level in condensation aggregating apparatus 10 is higher than setting value, signal is sent by level monitoring opertaing device, open recirculation (egr) valve, condensed fluid is delivered to refrigerant storage case through recirculation circuit by ebullator.
The course of work with the Passive containment cooling system of heat pipe drainage set described in the utility model is as follows: cooling medium is provided by refrigerant storage case 1, the outside surface being evenly sprayed at primary containment 3 through sprinkling equipment 2 forms liquid film, this liquid film is divided into multiple liquid film layer by heat pipe drainage set 4, inhibits the fracture of liquid film; Air enters through air intake 6, air rising passway 72 is proceeded to through guiding device 8 along air decline passway 71, enter the heat transfer space of primary containment 3 and outer containment 5, contact with heat pipe drainage set 4 with the liquid film layer of primary containment 3 outside surface, carry out heat transmission by thermal convection, the heat on primary containment 3 surface do not covered by liquid film is directly exported in the heat transfer space of primary containment 3 and outer containment 5 by heat pipe drainage set 4.Enter heat in primary containment 3 successively by the steam-condensation of primary containment 3 inwall, wall heat conduction and outside surface liquid film evaporation, be passed to the heat transfer space of primary containment 3 and outer containment 5, discharge through air out 9, primary containment 3 outside surface that small part is not covered by liquid film transfers heat in the air entered through air intake 6 by thermal convection and heat radiation, air heats upwards flows, and carries heat and enters external environment from air out 9; When large break occurring and losing the major accidents such as cooling medium, the heat entering primary containment 3 can also be derived by the outer heat conductive layers 43 of heat pipe drainage set 4, and the air-flow of following air rising passway 73 is discharged from air out 9.
Described thermal convection refers to that heat is by flow media, is propagated into the phenomenon at another place by one of space, and in the utility model, namely the heat of primary containment 3 wall is by the transfer of air that enters through air intake 6 to air out 9, enters external environment; Described heat radiation refers to that object is owing to having the phenomenon of temperature and radiated electromagnetic wave, one of three kinds of modes of heat transmission, any object, as long as temperature is higher than 0K, will ceaselessly towards periphery space send heat radiation, namely the heat in primary containment 3 can be radiated to the heat transfer space of primary containment 3 and outer containment 5 by inwall, and then discharges containment by the mode that air flows, and enters external environment.
According to the Passive containment cooling system with heat pipe drainage set that the utility model provides, there is following beneficial effect:
(1) Passive containment cooling system with heat pipe drainage set that the utility model provides, be suppress liquid-sheet disintegration by the high-efficiency heat conduction of heat pipe drainage set and the overall characteristic of timely discharge opeing, there is the characteristic of high efficient heat exchanging and non-passive safety;
(2) the heat pipe drainage set in the Passive containment cooling system that provides of the utility model, using superconductive medium as heat-transfer working medium, achieves quick transmission and the derivation of heat; And when heat pipe drainage set breaks, by the outer heat conductive layers of this heat pipe drainage set, the heat of containment wall can also be derived, make the reliable safety of containment;
(3), in the utility model, heat pipe drainage set does not affect by gravity, capillary force etc., and design flexibility is good, thus makes this Passive containment cooling system have the features such as structure is simple, easy for installation;
(4) the Passive containment cooling system usable range that provides of the utility model is wide, is not only applicable to AP1000, is also applicable to other containment cooling systems.
In the utility model Fig. 1, the direction that dotted arrow instruction air rises or declines, the spray direction of solid arrow instruction cooling medium, the flow direction of arrow instruction heat transfer medium in Fig. 2, above-mentioned arrow does not have other implications.
In description of the present utility model, it should be noted that, term " interior ", " outward ", " on ", the orientation of the instruction such as D score or position relationship be based on the orientation under utility model works state or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
More than in conjunction with embodiment and exemplary example, the utility model has been described in detail, but these explanations can not be interpreted as restriction of the present utility model.It will be appreciated by those skilled in the art that when not departing from the utility model spirit and scope, can carry out multiple equivalencing, modification or improvement to technical solutions of the utility model and embodiment thereof, these all fall in scope of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (4)
1. one kind has the Passive containment cooling system of heat pipe drainage set, it is characterized in that: this system comprises primary containment (3), outer containment (5) and is arranged on the cooling device at outer containment (5) top, wherein
Described primary containment (3) lateral wall is provided with heat pipe drainage set (4), described heat pipe drainage set (4) is for one or more, its shape is rib shape, and is that class annular is arranged along the circumference of primary containment (3) outer wall.
2. the Passive containment cooling system with heat pipe drainage set according to claim 1, is characterized in that, described heat pipe drainage set (4) is arranged along the interval, precalculated position of primary containment (3) lateral wall.
3. the Passive containment cooling system with heat pipe drainage set according to claim 1 and 2, is characterized in that, the cross-section structure of described heat pipe drainage set (4) is rectangle, inverted trapezoidal, del or approximate del.
4. the Passive containment cooling system with heat pipe drainage set according to claim 1 and 2, it is characterized in that, described heat pipe drainage set (4) comprises outer heat conductive layers (43) and inner imbibition reflux layer (44).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867526A (en) * | 2015-05-20 | 2015-08-26 | 华北电力大学 | Passive containment cooling system provided with heat pipe liquid guide devices |
| CN106653107A (en) * | 2016-09-26 | 2017-05-10 | 南华大学 | Passive decay heat removal system for liquid metal cooling pool type reactor |
-
2015
- 2015-05-20 CN CN201520330100.0U patent/CN204596432U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867526A (en) * | 2015-05-20 | 2015-08-26 | 华北电力大学 | Passive containment cooling system provided with heat pipe liquid guide devices |
| CN106653107A (en) * | 2016-09-26 | 2017-05-10 | 南华大学 | Passive decay heat removal system for liquid metal cooling pool type reactor |
| CN106653107B (en) * | 2016-09-26 | 2018-09-07 | 南华大学 | A kind of liquid metal cooling passive accident afterheat discharge system of pool reactor |
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