CN206401035U - The external air cooler device of passive containment - Google Patents
The external air cooler device of passive containment Download PDFInfo
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- CN206401035U CN206401035U CN201621325513.0U CN201621325513U CN206401035U CN 206401035 U CN206401035 U CN 206401035U CN 201621325513 U CN201621325513 U CN 201621325513U CN 206401035 U CN206401035 U CN 206401035U
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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
Abstract
The utility model discloses a kind of external air cooler device of passive containment, including：Concrete containment, steel containment vessel, external support frame, external air cooler and penetration piece, steel containment vessel is located in concrete containment, external support frame is located in the outside wall surface of concrete containment, external support frame is provided with installation cavity, external air cooler is located in installation cavity, external air cooler has external air cooler import and the outlet of external air cooler, penetration piece be located in external support frame and with external air cooler import and external air cooler outlet, the two ends of penetration piece are respectively protruding into concrete containment and steel containment vessel with being connected inside steel containment vessel.According to the external air cooler device of passive containment of the present utility model, improve the anti-seismic performance of system, exchange capability of heat is strong, simple in construction, saving space, connection are reliable, apparatus structure own load is smaller, reduce under the conditions of self structure stress, seismic (seismal or external force, the integrality of system can be kept.
Description
Technical field
The utility model is related to nuclear reactor technology field, more particularly, to a kind of external air cooling of passive containment
Device device.
Background technology
, it is necessary to by the heat derives in containment when accident occurs for nuclear reactor, in correlation technique, generally using to safety
The method export heat of shell spraying cooling water.But this spraying cooling needs to set big cooling water tank, water is limited, limitation
Cool time, it is impossible to be truly realized without time limit cooling.Therefore, being proposed in correlation technique, air cooler is set inside and outside containment
Heat-exchange system is formed, wherein the air cooler being located at outside containment is commonly referred to as external air cooler.Reactor in correlation technique
The heat exchanger tube quantity of the external air cooler of containment is more, and natural-circulation capacity is poor, and the space taken in height space is larger,
Npp safety shell air channel can be taken, npp safety shell itself exchange capability of heat is influenceed, and structure is more complicated, not compact.
The air cooler used in thermal power plant's indirect air cooling unit in correlation technique, is typically substantially A-shaped by two
Air cooler side-by-side horizontal place.But the top of this kind of air cooler is two big influent header, bottom sets 3-4 outlet connection
Case.Therefore more entrance and exit pipe is needed.Because one group of air cooler is made up of two air cooler units, finned tube uses 4
Calandria structure, therefore the air cooler of this form needs more finned tube, water effluent speed is smaller, and water side thermal resistance is big, heat exchange effect
Rate is low, is unsuitable for being used for containment vessel heat derives.
In addition, in correlation technique, external air cooler firmly installing property on containment is bad, poor seismic behavior, in external force
Under effect, air cooler deformation is larger.And for disposing the mounting structure of air cooler to have impact on the cooling in npp safety shell air channel
Heat exchange.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem to a certain extent.
Therefore, the utility model proposes a kind of external air cooler device of passive containment, the passive containment is external
Air cooler device it is simple in construction, save that space, connection be reliable, shock resistance is good, exchange capability of heat is strong.
According to the external air cooler device of passive containment of the present utility model, including：Concrete containment, steel safety
Shell, external support frame, external air cooler and penetration piece, the steel containment vessel is located in the concrete containment, described
External support frame is located in the outside wall surface of the concrete containment, and installation cavity is provided with the external support frame, described
External air cooler is located in the installation cavity, and the external air cooler has external air cooler import and the outlet of external air cooler,
The penetration piece is located in the external support frame and connected with the external air cooler import and the external air cooler outlet
Logical, the two ends of the penetration piece are each passed through the concrete containment and the steel containment vessel stretches into the steel containment vessel
It is interior.
According to the external air cooler device of passive containment of the present utility model, it is installed on by the way that external air cooler is located at
In the external support frame of concrete containment, and it is connected by penetration piece with external air cooler import and the outlet of external air cooler
Logical, the two ends that will pass through part are each passed through concrete containment, and stretch within steel containment vessel, by external air cooler and coagulation
Native containment and steel containment vessel connect into an entirety, enhance the degree of firmly installing of external air cooler, improve system
Anti-seismic performance, increases the exchange capability of heat of system, and stop of the external support frame to air is small, and changing for air cooler is not influenceed
Heat, improves heat transfer effect.
In addition, according to the external air cooler device of passive containment of the present utility model, can also have what is added as follows
Technical characteristic：
According to one embodiment of the present utility model, the external air cooler includes：Upper header, lower collecting box, top heat exchange
Tube bank and bottom heat-exchanging tube bundle, the upper header are provided with the external air cooler import, the lower collecting box and the upper header
Relatively it is located at below the upper header, the lower collecting box is provided with the external air cooler outlet, the top heat-exchanging tube bundle
The both sides of the upper header are located at, the inner of the top heat-exchanging tube bundle is connected with the upper header, the top heat-exchanging tube bundle
Outer end outwards tilt down extension in the horizontal direction, the bottom heat-exchanging tube bundle is located at the both sides of the lower collecting box, it is described under
The inner of portion's heat-exchanging tube bundle is connected with the lower collecting box, and the outer end of the bottom heat-exchanging tube bundle is outwards inclined upwardly in the horizontal direction
Extension is connected with the outer end of the top heat-exchanging tube bundle.
According to one embodiment of the present utility model, the upper header and the lower collecting box are respectively formed as along the coagulation
The straight tube radially extended of native containment.
According to one embodiment of the present utility model, the external air cooler import and the external air cooler outlet difference
It is located at the middle part of the upper header and the lower collecting box.
According to one embodiment of the present utility model, the external support frame is rectangular cross-section and is made up of multiple bars
Framework.
According to one embodiment of the present utility model, set respectively on the top heat-exchanging tube bundle and the bottom heat-exchanging tube bundle
There is a connecting plate being connected with the external support frame, the top heat-exchanging tube bundle and the bottom heat-exchanging tube bundle are each passed through pair
The connecting plate answered.
According to one embodiment of the present utility model, each connecting plate is respectively formed as along the upper header and described
The axially extending strip of lower collecting box.
According to one embodiment of the present utility model, plane is perpendicular to horizontal plane where each connecting plate.
According to one embodiment of the present utility model, the external support frame is formed as stainless steel structure part.
According to one embodiment of the present utility model, the external support frame is pacified by steel plate installed in the concrete
In the outside wall surface of full shell.
According to one embodiment of the present utility model, the penetration piece includes first through pipe and second through pipe, described
First one end for running through pipe is connected with the external air cooler import and the other end passes through the concrete containment and the steel
Containment processed to stretch into the steel containment vessel, described second exported through one end of pipe with the external air cooler be connected and
The other end passes through the concrete containment and the steel containment vessel to stretch into the steel containment vessel.
According to one embodiment of the present utility model, the steel containment vessel is provided with sleeve pipe, described first through pipe and
Described second is each passed through described sleeve pipe through pipe stretches into the steel containment vessel.
According to one embodiment of the present utility model, described first through pipe from the top of the external support frame along hanging down
The straight direction where the outside wall surface of the concrete containment extends internally, and described second runs through pipe from the external support frame
Lower section along perpendicular to the concrete containment outside wall surface where direction extend internally.
According to one embodiment of the present utility model, described second through pipe and the external support frame lower surface it
Between the distance that is spaced apart be more than described first through pipe and the distance that is spaced apart between the upper surface of the external support frame.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the external air cooler structure of the external air cooler device of passive containment according to the utility model embodiment
Schematic diagram；
Fig. 2 is portion's dress figure of the external air cooler device of passive containment according to the utility model embodiment；
Fig. 3 is the structural representation of the external air cooler device of passive containment according to the utility model embodiment.
Reference：
100：The external air cooler device of passive containment；
10：External air cooler；
11：Upper header；12：Lower collecting box；13：Top heat-exchanging tube bundle；14：Bottom heat-exchanging tube bundle；
20：Concrete containment；
30：Steel containment vessel；
40：External support frame；41：Steel plate；
50：Penetration piece；50a：Sleeve pipe；
51：First through pipe；52：Second through pipe.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
1 to Fig. 3 specifically describe the external air cooling of passive containment according to the utility model embodiment below in conjunction with the accompanying drawings
Device device 100.
Included according to the external air cooler device 100 of the passive containment of the utility model embodiment：Concrete containment
20th, steel containment vessel 30, external support frame 40, external air cooler 10 and penetration piece 50.Steel containment vessel 30 is located at concrete
In containment 20, external support frame 40 is located in the outside wall surface of concrete containment 20, provided with peace in external support frame 40
It behave affectedly, external air cooler 10 is located in installation cavity, there is external air cooler 10 external air cooler import and external air cooler to export,
Penetration piece 50 be connected with external support frame 40 and with external air cooler import and external air cooler outlet, penetration piece 50
Two ends are each passed through concrete containment 20 and steel containment vessel 30 is stretched into inside steel containment vessel 30.
In other words, the external air cooler device 100 of the passive containment is main by concrete containment 20, steel containment vessel
30th, external support frame 40, external air cooler 10 and penetration piece 50 are constituted, and steel containment vessel 30 is located at concrete containment 20
It is interior, it is disposed with the outside wall surface of concrete containment 20 in external support frame 40, external support frame 40 and defines installation
Chamber, external air cooler 10 is arranged in installation cavity, and cooler 10 is empty outside and is gone out with external air cooler import and external air cooler
Mouthful.
Penetration piece 50, penetration piece 50 and external air cooler import and external air cooler are also associated with external support frame 40
Outlet is connected, and the two ends of penetration piece 50 are each passed through concrete containment 20 and stretched within steel containment vessel 30.
Thus, according to the external air cooler device 100 of passive containment of the utility model embodiment, by that will be empty outside
Cooler 10 is located in the external support frame 40 for being installed on concrete containment, and passes through penetration piece 50 and external air cooler import
With external air cooler outlet be connected, will pass through part 50 two ends be each passed through concrete containment stretch into steel containment vessel it
It is interior, external air cooler and concrete containment and steel containment vessel are connected into an entirety, the peace of external air cooler is enhanced
Firmness is filled, the anti-seismic performance of system is improved, increases the exchange capability of heat of system, and stop of the external support frame to air
It is small, the heat exchange of air cooler is not influenceed, improves heat transfer effect.Moreover, the knot of the external air cooler device 100 of the passive containment
Structure is simple, save space, connection is reliable, exchange capability of heat is strong, further, since supporting external air cooler, therefore antidetonation by framework
Property it is good, even if occur earthquake cause accident, nor affect on the export of heat in containment, improve security.
It is understood that stretch into the two ends of the penetration piece in steel containment vessel respectively be located in steel containment vessel in
The import for putting heat exchanger is connected with outlet, changes the without time limit heat derives of the heat derives in steel containment vessel so as to constitute
Hot systems.
As shown in figure 1, according to one embodiment of the present utility model, external air cooler 10 includes：Upper header 11, lower collecting box
12nd, top heat-exchanging tube bundle 13 and bottom heat-exchanging tube bundle 14, upper header 11 are provided with external air cooler import, lower collecting box 12 and upper header
11 are relatively located at the lower section of upper header 11 and are spaced apart from each other.Lower collecting box 12 is exported provided with external air cooler, top heat-exchanging tube bundle
13 are located at the both sides of upper header 11, and the inner of top heat-exchanging tube bundle 13 is connected with upper header 11, the outer end of top heat-exchanging tube bundle 13
Extension outwards is tilted down, bottom heat-exchanging tube bundle 14 is located at the both sides of lower collecting box 12, the inner of bottom heat-exchanging tube bundle 14 and the second line of a couplet
Case 12 is connected, and the outer end of bottom heat-exchanging tube bundle 14, which is outwards inclined upwardly, to be extended and connected with the outer end of top heat-exchanging tube bundle 13.
In other words, the external air cooler 10 of the containment is main by upper header 11, lower collecting box 12, the and of top heat-exchanging tube bundle 13
Bottom heat-exchanging tube bundle 14 is constituted, and upper header 11, which has on external air cooler import, lower collecting box 12, has the outlet of external air cooler, on
Header 11 is positioned opposite in the vertical direction with lower collecting box 12, and lower collecting box 12 is located at the lower section of upper header 11, and fluid can pass through
The external air cooler import of upper header 11 enters in external air cooler 10, flows successively through top heat-exchanging tube bundle 13 and bottom heat exchanger tube
Beam 14, flows to lower collecting box 12, finally the external air cooler outlet outflow on lower collecting box 12.
In other words, top heat-exchanging tube bundle 13 is respectively provided at the left and right sides of upper header 11, and bottom heat-exchanging tube bundle 14 is set respectively
In the left and right sides of lower collecting box 12, one end (such as the inner of Fig. 1 middle and upper parts heat-exchanging tube bundle 13) of top heat-exchanging tube bundle 13 and the first line of a couplet
Case 11 is connected, and the other end (such as outer end of Fig. 1 middle and upper parts heat-exchanging tube bundle 13) outwards tilts down extension relative to upper header 11,
One end (such as the inner of Fig. 1 middle and lower parts heat-exchanging tube bundle 14) of bottom heat-exchanging tube bundle 14 is connected with lower collecting box 12, and the other end is (as schemed
The outer end of 1 middle and lower part heat-exchanging tube bundle 14) be outwards inclined upwardly extension relative to lower collecting box 12, the outer end of top heat-exchanging tube bundle 13 with
The outer end of bottom heat-exchanging tube bundle 14 is connected.
Specifically, fluid (heat transferring medium) is entered in upper header 11 by the external air cooler import of upper header 11, by upper
The top heat-exchanging tube bundle 13 of the both sides of header 11, and the bottom heat-exchanging tube bundle 14 being connected with top heat-exchanging tube bundle 13 are flow to down
Header 12, then outflow is exported via the external air cooler on lower collecting box 12, the fluid being empty outside in cooler 10 from top to bottom flows
Through top heat-exchanging tube bundle 13 and while bottom heat-exchanging tube bundle 14, the air outside external air cooler 10 skims over bottom from bottom to up
The direction of arrow in the flow direction of fluid outside air cooler tube bundle and top air cooler tube bundle, external air cooler 10 such as Fig. 1
It is shown, and then realize the fluid inside the heat exchange of the external internal flow of air cooler 10 and air, external air cooler 10 and outer
The flow direction of the air in portion is on the contrary, heat transfer between being conducive to the fluid and extraneous air of inside, enhances heat transfer effect
Really, the superstructure and substructure of external air cooler 10 are mutually symmetrical with, and not only external air cooler is simple in construction, compact, and
Profile is clean and tidy, conveniently being externally empty cooler 10 is fixed installation.
Alternatively, upper header 11 and lower collecting box 12 are respectively formed as the straight tube radially extended along concrete containment 20,
Upper header 11 is in be set along the straight tube radially extended of concrete containment 20, and lower collecting box 12 is similarly formed as along concrete safety
The straight tube radially extended of shell 20, the straight tube of the formation of upper header 11 and the straight tube in the vertical direction of the formation of lower collecting box 12 are with respect to cloth
Put, upper header 11 is located at the top of lower collecting box 12, is not only simple in structure, good appearance.
In the utility model embodiment, external air cooler import and the outlet of external air cooler are respectively provided at the He of upper header 11
The middle part of lower collecting box 12.
As shown in Figures 2 and 3, external air cooler import is located at the middle part of upper header 11, under external air cooler outlet is located at
The middle part of header 12, i.e., be provided with external air cooler import at the middle part of upper header 11, and the middle part of lower collecting box 12 is provided with external
Air cooler is exported, and fluid can be entered in upper header 11 by external air cooler import, and the fluid in lower collecting box 12 passes through external air cooling
Outside the external air cooler 10 of device outlet outflow.
Advantageously, external support frame 40 is generally formed into the framework that section is rectangle, and framework is formed by connecting by multiple bars,
Installation cavity is defined in framework, penetration piece 50 is connected through framework with external air cooler import and the outlet of external air cooler.Due to
Framework has flexibility, and therefore, anti-seismic performance is good, adds the degree of firmly installing of external air cooler, even if occurring earthquake, causes anti-
Heap accident is answered, the without time limit waste heat export system that the built-in heat exchanger in external air cooler, penetration piece and steel containment vessel is constituted
System is unaffected, and adds security.
Reference picture 2, the section of external support frame 40 is generally rectangular shaped, installation cavity is limited in framework, in installation cavity
Interior to set external air cooler 10, penetration piece 50 is connected through framework with external air cooler import, and penetration piece 50 passes through framework
Lower end is connected with the outlet of external air cooler, and phase is exported with external air cooler import and external air cooler respectively by penetration piece 50
Connection, i.e. penetration piece 50 are connected with external air cooler import and the outlet of external air cooler, and fluid can be passed through by penetration piece 50
External air cooler import enters in upper header 11, and the fluid in lower collecting box 12 can flow out to penetration piece by the outlet of external air cooler
In 50.
The connecting plate being connected with external support frame 40 is respectively equipped with top heat-exchanging tube bundle 13 and bottom heat-exchanging tube bundle 14
(not shown), top heat-exchanging tube bundle 13 and bottom heat-exchanging tube bundle 14 are each passed through corresponding connecting plate.
It is understood that connecting plate is respectively disposed with the upper and lower portion heat-exchanging tube bundle 14 of top heat-exchanging tube bundle 13, on
The connecting plate of portion's heat-exchanging tube bundle 13 is connected with the top of external support frame 40, the connecting plate of bottom heat-exchanging tube bundle 14 with it is external
The bottom of support frame 40 is connected, and top heat-exchanging tube bundle 13 passes through the connecting plate being arranged on top heat-exchanging tube bundle 13, bottom
Heat-exchanging tube bundle 14, which is passed through, is arranged on connecting plate on bottom heat-exchanging tube bundle 14, connecting plate be connected with external support frame 40 it is same
When, top heat-exchanging tube bundle 13 and bottom heat-exchanging tube bundle 14 can firmly be fixed, structure is sufficiently stable, reliable.
Preferably, each connecting plate is respectively formed as the axially extending strip along upper header 11 and lower collecting box 12, often
Individual connecting plate upwardly extends in the axle of upper header 11 and lower collecting box 12 set in strip respectively so that along the axial direction of upper header 11
Multiple heat exchanger tubes of spaced apart top heat-exchanging tube bundle 13 can be each passed through corresponding connecting plate, along the axial direction of lower collecting box 12
Multiple heat exchanger tubes of spaced apart bottom heat-exchanging tube bundle 14 can be each passed through corresponding connecting plate, to strengthen external air cooler
10 with the connection reliability of external support frame 40 and structural stability.
Further, plane is perpendicular to horizontal plane where each connecting plate, i.e., plane and level residing for each connecting plate
Face is vertically arranged, and the connecting plate of top heat-exchanging tube bundle 13 can be caused to be connected with the upper end of external support frame 40, bottom is changed
The connecting plate of heat pipe bundle 14 is connected with the lower end of external support frame 40, that is to say, that by by each connecting plate and level
Face is perpendicular to be set, and realizes that top and bottom of the connecting plate respectively with external support frame 40 are connected.
Advantageously, external support frame 40 is formed as stainless steel structure part so that external support frame 40 is corrosion-resistant, even if
External to be also not easy to be corroded in an outdoor environment, service life is longer, and hardness is higher, and being externally empty cooler 10 has very well
Protective effect, it is to avoid external air cooler 10 is damaged by external force etc..
Alternatively, external support frame 40 is arranged on by steel plate 41 in the outside wall surface of concrete containment 20, external branch
The side of support frame frame 40 is connected with steel plate 41, in the outside wall surface that steel plate 41 is fixedly connected on to concrete containment 20, i.e. steel
Plate 41 is located between external support frame 40 and the outside wall surface of concrete containment 20, is realized by steel plate 41 by external carriage
Frame 40 is fixedly mounted in the outside wall surface of concrete containment 20.
In other embodiments of the present utility model, penetration piece 50 runs through including first through pipe 51 and second
Pipe 52, first one end for running through pipe 51 is connected with external air cooler import and the other end stretches into concrete containment 20 and steel peace
Full shell 30, second one end for running through pipe 52 is connected with the outlet of external air cooler and the other end stretches into steel through concrete containment 20
Containment 30 processed.
In other words, penetration piece 50 is mainly constituted through pipe 51 by first with second through pipe 52, and first through pipe 51
One end is connected through external support frame 40 with external air cooler import, and first other end for running through pipe 51 is pacified through concrete
Full shell 20 and extending into steel containment vessel 30 is connected with the import with the built-in heat exchanger in steel containment vessel, and second through managing
52 one end is connected through external support frame 40 with the outlet of external air cooler, and second other end for running through pipe 52 passes through coagulation
Native containment 20 and extending into steel containment vessel 30 is connected with the outlet with built-in heat exchanger, i.e., first through pipe 51 and second
It is connected respectively with external air cooler 10 through one end of pipe 52, the other end is each passed through concrete containment 20 and stretches into steel peace
In full shell 30.
Alternatively, steel containment vessel 30 is provided with sleeve pipe 50a, and first is each passed through set through pipe 51 and second through pipe 52
Pipe 50a is connected with the inside of steel containment vessel 30.
As shown in Fig. 2 the upper and lower part on steel containment vessel 30 is respectively disposed with sleeve pipe 50a, first runs through pipe 51
Sleeve pipe 50a through top is extend into steel containment vessel 30, and second extend into steel through pipe 52 through the sleeve pipe 50a of bottom
In containment 30.
Specifically, first runs through pipe 51 from the top of external support frame 40 along the outer wall perpendicular to concrete containment 20
Direction where face extends internally, and second runs through pipe 52 from the lower section of external support frame 40 along perpendicular to concrete containment 20
Direction where outside wall surface extends internally.
That is, first is located at the top of external support frame 40 through pipe 51, first runs through pipe 51 by external support
Extension of the top of framework 40 along the direction perpendicular with the outside wall surface of concrete containment 20 and through concrete containment
20 stretch into the inside of steel containment vessel 30, and second is located at the lower section of external support frame 40 through pipe 52, second through pipe 52 by
Extension of the top of external support frame 40 along the direction perpendicular with the outside wall surface of concrete containment 20 and through coagulation
Native containment 20 stretches into the inside of steel containment vessel 30.
Further, second is more than first through the distance being spaced apart between pipe 52 and the lower surface of external support frame 40
The distance being spaced apart between pipe 51 and the upper surface of external support frame 40.
As shown in figure 3, second through pipe 52 and the external lower surface in the vertical direction of support frame 40 interval height it is big
In the first interval height for running through pipe 51 and the external upper surface in the vertical direction of support frame 40, be conducive to external air cooler 10
Interior fluid is circulated back in external air cooler 10 by penetration piece 50, and the fluid Natural Circulation improved in external air cooler 10 is high
Spend poor (density contrast), because the difference in height of Natural Circulation influences natural-circulation capacity, Natural Circulation difference in height is bigger, Natural Circulation
Mass flow is bigger, and heat exchange power is bigger, strengthens natural-circulation capacity, increases exchange capability of heat.
The external air cooler device of passive containment of the present utility model 100 is retouched with reference to specific embodiment
State.
As shown in Figure 1 to Figure 3, wrapped according to the external air cooler device 100 of passive containment of the utility model embodiment
Concrete containment 20, steel containment vessel 30, external support frame 40, external air cooler 10 and penetration piece 50 are included, wherein, it is external
Air cooler 10 includes upper header 11, lower collecting box 12, top heat-exchanging tube bundle 13 and bottom heat-exchanging tube bundle 14, and penetration piece 50 includes first
Run through pipe 52 through pipe 51 and second.
Specifically, steel containment vessel 30 is arranged within concrete containment 20, and external support frame 40 is formed as framework
Installation cavity is defined in structure, framework, external air cooler 10 is arranged in installation cavity, in the upper header 11 of external air cooler 10
Portion has external air cooler import, and there is external air cooler to export at the middle part of lower collecting box 12, and the top that cooler 10 is empty outside is changed
The plane and horizontal plane being provided with heat pipe bundle 13 and bottom heat-exchanging tube bundle 14 where multiple connecting plates, connecting plate are perpendicular, on
Multiple heat exchanger tubes of portion's heat-exchanging tube bundle 13 and bottom heat-exchanging tube bundle 14 are each passed through corresponding connecting plate, multiple connecting plates respectively with
External support frame 40 is connected.
Second is located at the lower section of external support frame 40 through pipe 52, and from the bottom of external support frame 40 first to downward
Stretch after certain distance, then further along the direction perpendicular with the outside wall surface of concrete containment 20 to concrete containment 20 and
The inside of steel containment vessel 30 extends, and first is located at the top of external support frame 40 through pipe 51, and by external support frame 40
Top along the direction perpendicular with the outside wall surface of concrete containment 20 to concrete containment 20 and steel containment vessel 30
Inside extension.In addition, be provided with steel plate 41 between external support frame 40 and concrete containment 20, i.e., external support frame
40 are fixedly mounted on by steel plate 41 in the outside wall surface of concrete containment 20.
As shown in figure 1, the external air cooler 10 of containment in the utility model embodiment is formed as horizontal positioned
Rhombus prism, with it is traditional by two A shape air coolers compared with, the external air cooler 10 of containment have compact structure,
Occupied little space in short transverse, can in limited space arrangement heat exchange area as much as possible, heat exchange area is larger, outside
Portion's air enters the passage of the external air cooler 10 of containment from bottom to top, is flowed out after once exchanging heat from top, flow resistance
It is relatively small, meanwhile, the negligible amounts of heat exchanger tube, the flow velocity in heat exchanger tube is larger, is conducive to being exchanged heat, and internal flow
Thermal resistance is smaller, and the tender ability enhancing of heat exchange of unit volume, the extraneous air of external air cooler 10 flows from the bottom to top, it is possible to achieve
Fully heat exchange.
In addition, during Natural Circulation, the fluid thermal resistance inside air cooler is a key factor for needing to consider, with
Same radial dimension of pair of A type air cooler is compared, and the heat exchanger tube quantity of the external air cooler 10 of the containment with diamond structure can
It is much smaller with the thermal resistance for reducing fluid in half, therefore the external air cooler 10 of containment, the air cooler of unit volume air cooler
Ability is stronger.
It should also be noted that, the external air cooler 10 of containment with diamond structure than double A types air coolers in safety
Anti-seismic performance in girdle border is good, by calculating, and the globality of the external air cooler 10 of containment of diamond structure is strong, with containment
After fixation, anti-seismic performance is good, is more suitable in the containment environment of nuclear power plant.
The external air cooler 10 of such as containment reduces 2.5m in the height direction than double A types air coolers, has in containment
In the space of limit, can further it improve and built-in air cooler (not shown) difference in height 2.5m.Data instance in table 1 below,
The difference in height increase 1.5m of the external air cooler 10 of containment and built-in air cooler, it is possible to so that the mass flow increase of air cooler
106.3%, heat exchange power increase by 6.5%.Difference in height (density contrast) the influence natural-circulation capacity of Natural Circulation, its difference in height is got over
Greatly, Natural Circulation mass flow is bigger, and heat exchange power is bigger, as shown in table 1.
The Natural Circulation performance comparision of the different height of table 1 difference
| Difference in height (m) | Mass flow (kg/s) | Heat exchange power (kw) |
| 6.75 | 46.05 | 2675.00 |
| 7.25 | 59.75 | 2750.00 |
| 7.75 | 78.75 | 2822.00 |
| 8.25 | 95.00 | 2850.00 |
Therefore compared with traditional double A types air coolers, the external air cooler 10 of containment with diamond structure is in short transverse
On size reduce, increase with the difference in height of built-in air cooler, enhance natural-circulation capacity, increase exchange capability of heat, be safety
Shell enough differences in height of without time limit passive residual heat guiding system offer after 72 hours.It is (such as empty in the case where ensureing identical operating mode
The inlet temperature 373.16K of cooler interior circulation water, environment temperature is 323.16K, using gravity-flow ventilation form), double A types air coolers
Heat exchange amount be 0.36MW, total heat exchange amount of the external air cooler 10 of containment with diamond structure is 2.22MW.
Thus, according to the external air cooler device 100 of passive containment of the utility model embodiment, it is empty outside containment
The assembling structure own load of cooler 10 is smaller, in symmetrical structure, can reduce self structure stress；The external air cooler of the containment
10 structure type and supporting way can be well combined with concrete containment 20, can under 0.3g seismic loading conditions
The integrality of holding system；In addition, under the effect of larger external force (maximum local stress is 257MPa), ensure that outside containment
The finned tube Reducing distortion of cooler 10 is empty, the deformation of air cooler fin pipe can be reduced by the 1m deflections of current double A type air coolers
To 0.15m, and then, it is ensured that the heat transfer effect of the external air cooler 10 of containment.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
Described in description the utility model with simplified, rather than indicate or imply that the device or element of meaning must be with specific sides
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not direct contact but logical that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First is special
Levy second feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or only
Represent that fisrt feature level height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is not departing from the utility model
Principle and objective in the case of above-described embodiment can be changed in the range of the utility model, change, replace and
Modification.
Claims (14)
1. a kind of external air cooler device of passive containment, it is characterised in that including：
Concrete containment；
Steel containment vessel, the steel containment vessel is located in the concrete containment；
External support frame, the external support frame is located in the outside wall surface of the concrete containment, the external support
Installation cavity is provided with framework；
External air cooler, the external air cooler is located in the installation cavity, and there is the external air cooler external air cooler to enter
Mouth and the outlet of external air cooler；
Penetration piece, the penetration piece is connected with the external support frame and with the external air cooler import and described outer being empty
Cooler outlet, the two ends of the penetration piece are each passed through the concrete containment and the steel containment vessel stretch into it is described
Inside steel containment vessel.
2. the external air cooler device of passive containment according to claim 1, it is characterised in that the external air cooler
Including：
Upper header, the upper header is provided with the external air cooler import；
Lower collecting box, the lower collecting box is located at below the upper header at interval with the upper header, and the lower collecting box is provided with institute
State external air cooler outlet；
Top heat-exchanging tube bundle, the top heat-exchanging tube bundle is located at the both sides of the upper header, the inner of the top heat-exchanging tube bundle
It is connected with the upper header, the outer end of the top heat-exchanging tube bundle outwards tilts down extension relative to the upper header；
Bottom heat-exchanging tube bundle, the bottom heat-exchanging tube bundle is located at the both sides of the lower collecting box, the inner of the bottom heat-exchanging tube bundle
Be connected with the lower collecting box, the outer end of the bottom heat-exchanging tube bundle relative to the lower collecting box be outwards inclined upwardly extension with it is described
The outer end connection of top heat-exchanging tube bundle.
3. the external air cooler device of passive containment according to claim 2, it is characterised in that the upper header and institute
State lower collecting box and be respectively formed as the straight tube radially extended along the concrete containment.
4. the external air cooler device of passive containment according to claim 3, it is characterised in that the external air cooler
Import and the external air cooler outlet are respectively provided at the middle part of the upper header and the lower collecting box.
5. the external air cooler device of passive containment according to claim 2, it is characterised in that the external carriage
Frame is rectangular cross-section and the framework being made up of multiple bars.
6. the external air cooler device of passive containment according to claim 5, it is characterised in that the top heat exchanger tube
The connecting plate being connected with the external support frame, the top heat-exchanging tube bundle are respectively equipped with beam and the bottom heat-exchanging tube bundle
The corresponding connecting plate is each passed through with the bottom heat-exchanging tube bundle.
7. the external air cooler device of passive containment according to claim 6, it is characterised in that each connecting plate
It is respectively formed as the axially extending strip along the upper header and the lower collecting box.
8. the external air cooler device of passive containment according to claim 7, it is characterised in that each connecting plate
Place plane is perpendicular to horizontal plane.
9. the external air cooler device of passive containment according to claim 5, it is characterised in that the external carriage
Frame is formed as stainless steel structure part.
10. the external air cooler device of passive containment according to claim 9, it is characterised in that the external support
Framework is arranged on by steel plate in the outside wall surface of the concrete containment.
11. the external air cooler device of passive containment according to claim 2, it is characterised in that the penetration piece bag
First is included through pipe and second through pipe, described first through one end of pipe with the external air cooler import to be connected and the other end
Through the concrete containment and the steel containment vessel to stretch into the steel containment vessel, described second runs through the one of pipe
End is connected with the external air cooler outlet and the other end passes through the concrete containment and the steel containment vessel to stretch into
In the steel containment vessel.
12. the external air cooler device of passive containment according to claim 11, it is characterised in that the steel safety
Shell is provided with sleeve pipe, and described first is each passed through described sleeve pipe through pipe and described second through pipe stretches into the steel containment vessel
It is interior.
13. the external air cooler device of passive containment according to claim 11, it is characterised in that described first runs through
Pipe extends internally from the top of the external support frame along perpendicular to direction where the outside wall surface of the concrete containment, institute
Second is stated through pipe from the lower section of the external support frame along perpendicular to direction where the outside wall surface of the concrete containment
Extend internally.
14. the external air cooler device of passive containment according to claim 13, it is characterised in that described second runs through
Manage the distance with being spaced apart between the lower surface of the external support frame and be more than described first through pipe and the external support
The distance being spaced apart between the upper surface of framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325513.0U CN206401035U (en) | 2016-12-05 | 2016-12-05 | The external air cooler device of passive containment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325513.0U CN206401035U (en) | 2016-12-05 | 2016-12-05 | The external air cooler device of passive containment |
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| Publication Number | Publication Date |
|---|---|
| CN206401035U true CN206401035U (en) | 2017-08-11 |
Family
ID=59509203
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621325513.0U Active CN206401035U (en) | 2016-12-05 | 2016-12-05 | The external air cooler device of passive containment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154942A (en) * | 2016-12-05 | 2018-06-12 | 国家电投集团科学技术研究院有限公司 | The external air cooler device of passive containment |
-
2016
- 2016-12-05 CN CN201621325513.0U patent/CN206401035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154942A (en) * | 2016-12-05 | 2018-06-12 | 国家电投集团科学技术研究院有限公司 | The external air cooler device of passive containment |
| CN108154942B (en) * | 2016-12-05 | 2023-09-15 | 国核示范电站有限责任公司 | Passive containment external air cooler device |
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