CN207367613U - A kind of integration cold containers nuclear reactor - Google Patents
A kind of integration cold containers nuclear reactor Download PDFInfo
- Publication number
- CN207367613U CN207367613U CN201720943336.0U CN201720943336U CN207367613U CN 207367613 U CN207367613 U CN 207367613U CN 201720943336 U CN201720943336 U CN 201720943336U CN 207367613 U CN207367613 U CN 207367613U
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- steam generator
- poisonous substance
- water
- substance tank
- cylinder
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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 provides a kind of integrated cold containers nuclear reactor, including pressure vessel cylinder, pressure vessel inner barrel is provided with the poisonous substance tank with the concentric setting of pressure vessel cylinder, reactor core is provided among poisonous substance tank interior bottom portion, reactor core lower end is provided with assignment of traffic ring, poisonous substance tank is up-narrow and down-wide, the steam generator for the upper end for being sleeved on poisonous substance tank is provided with outside the narrow portion of poisonous substance tank, upper chamber is provided with above steam generator, upper chamber will connect inside poisonous substance tank with steam generator, the decline passway of annular is formed between poisonous substance tank and pressure vessel cylinder below steam generator, the circumference of poisonous substance tank lower end is provided with the coolant flow through hole of radial direction, coolant flow through hole connects decline passway with assignment of traffic ring, the driving device for driving primary side loop circulation flow is provided with the decline passway at the middle part of the pressure vessel cylinder.The utility model is compact-sized, small.
Description
Technical field
The utility model belongs to nuclear reactor field, is moved more particularly, to one kind suitable for nuclear energy power generation, heat supply, mobile core
The integrated cold containers nuclear reactor of power platform.
Background technology
Human use's nuclear energy has the history of decades, and nuclear power also plays important in the energy resource structure of countries in the world
Role, for different application demands, various countries propose the novel reactor designing scheme of many kinds.
Wherein, pressurized water reactor becomes in world wide using most due to the advantage that its energy density is high, financial cost is low
For one of extensive reactor heap-type, current presurized water reactor is chiefly used in powering on a large scale, and whole pressurized water reactor volume is also excessively
Huge, for the remote areas that inconvenience is directly powered for island etc., it is a kind of effective solution to develop portable nuclear power platform
Certainly scheme, and reduce reactor volume, improve reactor stability be one of technology of most critical.
The content of the invention
In view of this, the utility model is directed to a kind of integrated cold containers nuclear reactor, to reduce the body of reactor
Product, improves the stability of reactor.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of integration cold containers nuclear reactor, including pressure vessel cylinder, pressure vessel inner barrel is provided with and pressure vessel
The poisonous substance tank of the concentric setting of cylinder, is provided with reactor core among poisonous substance tank interior bottom portion, and reactor core lower end is provided with assignment of traffic ring,
Poisonous substance tank is up-narrow and down-wide, and the steam generator for the upper end for being sleeved on poisonous substance tank, steam generator are provided with outside the narrow portion of poisonous substance tank
Top is provided with upper chamber, and upper chamber will connect inside poisonous substance tank with steam generator, the poisonous substance tank below steam generator and
The decline passway of annular is formed between pressure vessel cylinder, the lower end of reactor core is provided with assignment of traffic ring, is set on assignment of traffic ring
There are the coolant flow passages of radial direction, coolant flow passages connect decline passway with reactor core, the decline at the middle part of the pressure vessel cylinder
The driving device for driving primary side loop circulation flow is provided with passage.
Further, boron water partition plate, boron water partition plate and pressure are provided with the pressure vessel cylinder above the steam generator
Upper boron water cavity is formed between power shell inner barrel top, the lateral wall of steam generator, reactor core lower end are interior with pressure vessel cylinder
Lower boron water cavity is formed between side wall and bottom, upper boron water cavity is with being filled with boron water, upper boron water cavity and lower boron water cavity in lower boron water cavity
Between connect, be provided with the madial wall of the indoor lower boron water cavity of epicoele sensing primary side circuit pressure hydraulic pressure operating valve, heap
The lower end of core is provided with the poisonous substance coordinated with hydraulic pressure operating valve the circulation device extending into lower boron water cavity.
Further, the reactor core includes fuel assembly, and fuel assembly is located in fuel tank, fuel assembly and fuel tank
Lower end is separately fixed on fuel slab, and the lower end and the upper end of assignment of traffic ring of fuel slab are affixed, and the lower end of assignment of traffic ring is consolidated
Circular lower cover is connected to, fuel slab, assignment of traffic ring and circular lower cover form a closed cooling water circulation cavity, cooling
Agent runner is opened on the ring wall of assignment of traffic ring, and poisonous substance circulation device is arranged on circular lower cover, and poisonous substance circulation device passes through circle
Lower cover and be vertically arranged, the upper end of poisonous substance circulation device be located in cooling water circulation cavity, poisonous substance circulate device lower end be located under
In boron water cavity, coolant flow passages are located at the top of lower boron water cavity, and lower boron water cavity is located at the lower section of assignment of traffic ring.
Further, the driving device pumps for self-pressurization type, and self-pressurization type pump includes driving device, intake tunnel and goes out
Aquaporin, driving device pump to self-pressurization type and provide power, and exhalant canal and intake tunnel are concentric, and intake tunnel is located at water outlet
Channel interior, the cross-sectional area of intake tunnel are more than the connectivity part of the cross-sectional area of exhalant canal, intake tunnel and exhalant canal
It is provided with the pressure-regulating valve for adjusting primary side circuit pressure.
Further, the quantity of self-pressurization type pump is two, and self-pressurization type pumps symmetrical branch, and water outlet is opened in intake tunnel
Side wall on, water outlet mouth down.
Further, the steam generator includes steam generator inner cylinder, steam generator outer barrel and is sent out positioned at steam
Steam generator intermediate cylinder between raw device inner cylinder, steam generator outer barrel, steam generator inner cylinder are sleeved on the top of poisonous substance tank,
The lower end of steam generator outer barrel is fixed in one end to water manifold, the other end to water manifold not with steam generator inner cylinder
Contacted with the lateral wall of poisonous substance tank, the lower end of steam generator intermediate cylinder is fixed on the upper surface to water manifold, steam generation
Device intermediate cylinder both sides to inlet opening and apopore is had on water manifold, feed pipe is located at steam generator outer barrel and steam
In the first ring cavity between generator intermediate cylinder, one end of feed pipe is connected with inlet opening, the other end of feed pipe and setting
Feed-water intake connection on pressure vessel cylinder；
Helix tube is accommodated in the second ring cavity between steam generator inner cylinder and steam generator intermediate cylinder, helix tube encloses
Spiral upward around steam generator inner cylinder, the lower end of helix tube is connected with apopore, and the upper end of helix tube is with being arranged on pressure
Steam (vapor) outlet connection on thimble body.
Further, it is provided with the side wall of the pressure vessel cylinder at the upper chamber below upper boron water cavity and is sent out respectively with steam
The feed-water intake and steam (vapor) outlet of raw device connection.
Further, the quantity of feed-water intake and steam (vapor) outlet is respectively four, and feed-water intake and steam (vapor) outlet are uniformly handed over
For setting, the axial line of feed-water intake and steam (vapor) outlet in same level and intersects at a point.
Further, the pressure vessel cylinder includes upper cover, upper shell, lower shell and low head, upper shell and lower cylinder
Body both ends open, upper cover are arranged on the upper end of upper shell, and the lower end of upper shell and the upper end of lower shell are bolted, and half
Spherical low head is fixed in the lower end of lower shell, and low head seals the lower end of lower shell.
Further, the poisonous substance tank includes poisonous substance tank hypomere, poisonous substance tank changeover portion and poisonous substance tank epimere, poisonous substance tank transition
Section is tapered tubular, and the caliber of poisonous substance tank epimere is less than the caliber of poisonous substance tank hypomere, and steam generator inner cylinder is sleeved on poisonous substance tank
Section outside, the internal diameter of steam generator inner cylinder are equal to the outside diameter of poisonous substance tank epimere.
Relative to the prior art, a kind of integrated cold containers nuclear reactor described in the utility model has the advantage that：
(1) the utility model belongs to integral reactor, steam generator is put into pressure vessel cylinder whole to reduce
Driving device, is arranged on the height that reactor is reduced in the middle part of pressure vessel cylinder, compact-sized, volume by the volume of reactor
It is small；
(2) the utility model instead of control rod using boron water cavity, adjust reactor response intensity using boron water, reliably
Property it is high, security is good；
(3) the boron water cavity of the utility model separates the primary Ioops medium and pressure container cylinder of high temperature so that this cold
The pressure vessel heat insulation of container type is obvious；
(2) driving device of the utility model is pumped using self-pressurization type, reduces power consumption.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
In attached drawing：
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the structure diagram of the self-pressurization type pump described in the utility model embodiment；
Fig. 3 is the structure diagram of the steam generator described in the utility model embodiment；
Fig. 4 is the front view of the reactor core described in the utility model embodiment；
Fig. 5 is the longitudinal sectional view of the reactor core described in the utility model embodiment；
Fig. 6 is the top view of the reactor core described in the utility model embodiment；
Fig. 7 is the top view of the integrated heap described in the utility model embodiment.
Description of reference numerals：
1st, pressure vessel cylinder；101st, upper cover；102nd, upper shell；103rd, lower shell；104th, low head；105th, feed water into
Mouthful；106th, steam (vapor) outlet；2nd, self-pressurization type pumps；201st, motor；202nd, intake tunnel；203rd, exhalant canal；204th, pressure is adjusted
Valve；3rd, steam generator；301st, steam generator inner cylinder；302nd, steam generator outer barrel；303rd, steam generator intermediate cylinder；
304th, to water manifold；3041st, inlet opening；3042nd, apopore；305th, feed pipe；306th, helix tube；307th, porous support plate；
308th, ring flat-plate；309th, tube sheet；310th, cover board；4th, reactor core；401st, fuel assembly；402nd, fuel tank；403rd, fuel slab；404th, flow
Distribution ring；4041st, coolant flow passages；405th, circular lower cover；406th, poisonous substance circulation device；407th, poisonous substance expanded absorber；408、
Retainer ring；4081st, mounting hole；4082nd, upper fixed block；4083rd, lower fixed block；5th, poisonous substance tank；501st, poisonous substance tank epimere；502nd, it is malicious
Thing tank changeover portion；503rd, poisonous substance tank hypomere；6th, hydraulic pressure operating valve；7th, boron water partition plate；A, the first ring cavity；B, the second ring cavity；C, it is cold
But current lead to cavity；D, lower boron water cavity；E, upper boron water cavity；F, upper chamber；G, decline passway.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In the description of the utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In the description of the utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, a kind of integration cold containers nuclear reactor, including pressure vessel cylinder 1, poisonous substance tank 5, reactor core 4, steam
Generator 3, self-pressurization type pump 2 etc..Pressure vessel cylinder 1 includes upper cover 101, upper shell 102, lower shell 103 and low head
104.103 both ends open of upper shell 102 and lower shell, upper cover 101 are arranged on the upper end of upper shell 102, under upper shell 102
The upper end with lower shell 103 is held to be bolted, hemispheric low head 104 is fixed in the lower end of lower shell 103, low head
104 seal the lower end of lower shell 103.Poisonous substance tank 5 is arranged on inside low head 104, and poisonous substance tank 5 and low head 104 are concentric
Set.The fuel assembly 401 of reactor core 4 is arranged on the bottom in poisonous substance tank 5, and the fuel assembly 401 of reactor core 4 is around pressure thimble
The axis of body 1 is uniformly distributed.
4 lower end of reactor core as shown in Figure 1 is provided with assignment of traffic ring 404.Installed by retainer ring 408 lower end of poisonous substance tank 5
On low head 104.Poisonous substance tank 5 is cylindric and up-narrow and down-wide, and poisonous substance tank 5 includes poisonous substance tank hypomere 503, poisonous substance tank changeover portion
502 and poisonous substance tank epimere 501, poisonous substance tank changeover portion 502 is tapered tubular, and the caliber of poisonous substance tank epimere 501 is less than under poisonous substance tank
The caliber of section 503.
As shown in figure 3, the outside of poisonous substance tank epimere 501 sets steam generator 3, so as to reduce steam generator 3
Installation space.Steam generator 3 is 306 formula of direct current helix tube, and steam generator 3 is used for the heat exchange of secondary side circuit.Steam
Generator 3 includes steam generator inner cylinder 301, steam generator outer barrel 302 and is sent out positioned at steam generator inner cylinder 301, steam
Steam generator intermediate cylinder 303 between raw device outer barrel 302.Steam generator inner cylinder 301 is sleeved on the outside of poisonous substance tank epimere 501,
The internal diameter of steam generator inner cylinder 301 is equal to the outside diameter of poisonous substance tank epimere 501.The lower end of steam generator outer barrel 302 is fixed in
To one end of water manifold 304, other end to water manifold 304 not with steam generator inner cylinder 301 and the lateral wall of poisonous substance tank 5
Contact.The lower end of steam generator intermediate cylinder 303 is fixed on the upper surface to water manifold 304, steam generator intermediate cylinder 303
Both sides to having inlet opening 3041 and apopore 3042 on water manifold 304.Feed pipe 305 is located at steam generator outer barrel
In the first ring cavity a between 302 and steam generator intermediate cylinder 303, one end of feed pipe 305 is connected with inlet opening 3041, is given
The other end of water pipe 305 is connected with the feed-water intake 105 being arranged on pressure vessel cylinder 1.
As shown in figure 3, the interior receivings of the second ring cavity b between steam generator inner cylinder 301 and steam generator intermediate cylinder 303
There are some equally distributed helix tubes 306, helix tube 306 is spiral upwards around inner cylinder, the lower end of helix tube 306 and water outlet
Hole 3042 connects, and the upper end of helix tube 306 is connected with the steam (vapor) outlet 106 being arranged on pressure vessel cylinder 1.Helix tube 306
Outside diameter is 19mm, and helix tube 306 has some, and the spacing between helix tube 306 and helix tube 306 is 25mm.In order to avoid by
Toll bar vortex vibration frequency caused by the eigentone and primary side water of helix tube 306 causes the possibility of vibration, spiral
Pipe 306 is supported by some porous support plates 307, and porous support plate 307 is located at steam generator inner cylinder 301 and is sent out with steam
Arranged between raw device intermediate cylinder 303 and in radioactivity, helix tube 306 passes through 307 spiral of porous support plate.Preferably, it is more
The quantity of hole support plate 307 is 16 pieces.In order to enable the spiral space bigger of helix tube 306, heat exchange is more thorough, steams
Vapour generator intermediate cylinder 303 is located at steam generator inner cylinder 301 with the centre of steam generator outer barrel 302 close to steam generator
The side of outer barrel 302.
As shown in figure 3, it is provided with the outer wall of steam generator outer barrel 302 solid for fixed ring flat-plate 308, ring flat-plate 308
It is scheduled on the top of lower shell 103.Tube sheet 309 is connected with feed-water intake 105 and at steam (vapor) outlet 106 respectively, tube sheet 309 is distinguished
For fixing feed pipe 305 and helix tube 306, cover board 310 is connected with the top of the first ring cavity a, feed pipe 305 passes through cover board
310。
The lower end of steam generator outer barrel 302 is fixed in retainer ring 408, steam generator outer barrel 302 and poisonous substance tank 5
Side wall between formed annular cavity, annular cavity is the decline passway g of a side loop.Assignment of traffic ring 404 is by under
Drop passage g is connected with reactor core 4.
As shown in Fig. 1,7, the circumference of the upper shell 102 of the top of steam generator 3 is provided with equally distributed four feedwater
Entrance 105 and four steam (vapor) outlets 106, feed-water intake 105 and steam (vapor) outlet 106 are uniformly arranged alternately, its axial line is same
In a horizontal plane, the axial line of feed-water intake 105 and steam (vapor) outlet 106 in same level and intersects at a point.
As shown in Figure 1, it is provided with boron water partition plate 7, boron in feed-water intake 105 and the upper shell 102 of the top of steam (vapor) outlet 106
Upper boron water cavity e is formed between water partition plate 7 and upper cover 101,102 inner wall of upper shell.Between boron water partition plate 7 and steam generator 3
Form the upper chamber f for being used for the circulation of primary side Loop Water.Steam generator outer barrel 302, retainer ring 408 and pressure vessel cylinder 1 it
Between form lower boron water cavity d, upper boron water cavity e and lower boron water cavity d and connected by the intercommunicating pore on upper shell 102, the steaming in upper chamber f
Hydraulic pressure operating valve 6 is provided with 3 outer tube side wall of vapour generator.The bottom of reactor core 4 sets Toxic circulation device 406, poisonous substance circulation
Device 406 is extend into the lower boron water cavity d between retainer ring 408 and low head 104, and poisonous substance circulation device 406 is honeycomb structure, poison
Logistics is led to device 406 and is used cooperatively with hydraulic pressure operating valve 6, boron water can be discharged under the differential pressure action in a side loop, under making
Boron water in boron water cavity d enters reactor core 4, so as to realize passive shutdown to reactor or control the power of reactor.
As shown in Figure 4,5, 6, reactor core 4 includes fuel assembly 401, and fuel assembly 401 is located in fuel tank 402, fuel stack
The lower end of part 401 and fuel tank 402 is separately fixed at the lower end of fuel slabs 403 and assignment of traffic ring 404 on fuel slab 403
Upper end is affixed, and the lower end of assignment of traffic ring 404 is connected with circular lower cover 40, fuel slab 403, assignment of traffic ring 404 and circle
Lower cover 405 forms a closed cooling water circulation cavity c.Coolant flow passages 4041 are opened in the ring of assignment of traffic ring 404
On wall, coolant flow passages 4041 are several, and coolant flow passages 4041 are uniformly distributed around the ring wall of assignment of traffic ring 404,
Coolant flow passages 4041 connect decline passway g with reactor core 4.Some poisonous substance circulation devices 406 are arranged on circular lower cover 405,
Poisonous substance circulates device 406 through circular lower cover 405 and is vertically arranged, and the upper end of poisonous substance circulation device 406 is located at cooling water circulation sky
In chamber c, the lower end of poisonous substance circulation device 406 is located in lower boron water cavity d, and coolant flow passages 4041 are located at the top of lower boron water cavity d, under
Boron water cavity d is located at the lower section of assignment of traffic ring 404.The upper end of poisonous substance circulation device 406 is located at the lower section of coolant flow passages 4041, poison
Logistics leads to the lower end of device 406 close to the bottom of lower boron water cavity d.
As shown in figure 5, the poisonous substance expanded absorber for reducing boric acid water concentration is additionally provided with circular lower cover 405
407.Poisonous substance circulation device 406 and poisonous substance expanded absorber 407 are uniformly distributed.Hexagonal structure is easier to smoothly insertion, lifting, more
Robot manipulator structure in the water that adaptation uses when reloading.In order to capture conveniently, fuel assembly 401 is arranged to the structure of hexagon, fires
The cross-sectional area for expecting component 401 is hexagon.Retainer ring 408 is arranged on the assignment of traffic ring 404 of the lower section of coolant flow passages 4041
Lateral wall on.Some mounting holes 4081 for being used for fixed vertical direction are offered in retainer ring 408.Fixing piece, which passes through, to be fixed
Hole 4081 is fixed on pressure vessel cylinder 1.
As shown in Figure 1, 2, self-pressurization type pump 2 is arranged on the middle part of pressure vessel cylinder 1, and self-pressurization type pump 2 is arranged on feedwater
In decline passway g at the poisonous substance tank changeover portion 502 of the lower section of header 304.Self-pressurization type pump 2 includes motor 201, intake tunnel
202 and exhalant canal 203, motor 201 provides power to self-pressurization type pump 2.Exhalant canal 203 and intake tunnel 202 are concentric,
Intake tunnel 202 is located inside exhalant canal 203, and the cross-sectional area of intake tunnel 202 is more than the cross section of exhalant canal 203
Product, intake tunnel 202 and the connectivity part of exhalant canal 203 are provided with pressure-regulating valve 204, and pressure-regulating valve 204 can pass through
The pressure of the pressure adjusting water outlet of side loop.Since the cross-sectional area of intake tunnel 202 is more than the transversal of exhalant canal 203
Area, so the fluid pressure enhancing that liquid after intake tunnel 202 enters self-pressurization type pump 2, comes out from exhalant canal 203,
Realize the effect of self-pressurization.
As shown in Figure 1, the water inlet of intake tunnel 202 and the water outlet of exhalant canal 203 are located at decline passway g respectively
Interior, the water outlet of exhalant canal 203 is arranged on the side wall of exhalant canal 203, and the water outlet mouth down of exhalant canal 203 is set.
The position for including motor 201 of self-pressurization type pump 2 is located at the outside of pressure vessel cylinder 1.The main pump of self-pressurization type is installed on pressure
Force container centre position, reduces the height of pressure vessel, is conducive to the installation of pressure vessel, while improves pressure vessel
Stability.
The operation principle of the utility model：
Primary Ioops medium inside side loop takes away the heat of reactor core 4 and moves upward to upper chamber f, from upper chamber
F is flowed into inside steam generator 3, then from the gap of the helix tube 306 of steam generator 3 to flowing down, by decline passway g and
Coolant flow passages 4041 are returned in reactor core 4, complete the circulation of primary cooling water.Primary Ioops medium is at steam generator 3 with two
Loop medium exchanges heat.Primary Ioops medium after cooling enters self-pressurization type pump 2, and flow is flowed through under the driving of self-pressurization type pump 2
Distribution ring 404, finally flows back to reactor core 4.There is boron water cavity around primary Ioops, the interior storage boron water of boron water cavity, works as primary Ioops
When temperature is excessive, boron water flows into primary Ioops by hydraulic pressure operating valve 6 through poisonous substance circulation device 406, and boron water, which absorbs neutron, to be reduced instead
Answer intensity.In addition, boron water cavity separates the primary Ioops medium and pressure container cylinder of high temperature so that the pressure of this cold containers type
Container insulator positive effect.
Secondary side cooling water from feed-water intake 105 through to water manifold 304 enter helix tube 306 inside, through helix tube 306 with
Primary Ioops media contact fully exchanges heat, and is finally flowed out from steam (vapor) outlet 106, and the cooling and secondary side for realizing side loop are returned
The heating on road.
The operation principle of steam generator 3：Steam generator 3 uses deep bid tubular type, is designed as four 105 Hes of feed-water intake
Four steam (vapor) outlets 106 are adjacent to be alternately arranged.3 secondary side water of steam generator is entered by feed-water intake 105, passes through feed pipe
305 downwardly into in water manifold 304, and the water to water manifold 304 enters lower part helical pipe 306 under the effect of the pressure
In, water forms steam to steam (vapor) outlet by exchanging heat with the water of primary side outside pipe during rising in helix tube 306
106, so that pushing turbine does work and drives electrical power generators.The current of side loop and secondary side circuit are on the contrary, can
Fully heat exchange.By giving water management, it can be achieved that 1/4 Power operation of steam generator to single feed-water intake 105, if not sealing
Stifled, then steam generator 3 is with Power operation at full capacity.
This steam generator 3 is applied not only on nuclear reactor, can also use the occasion in other heat exchange, such as firepower hair
On the heat exchange heat-transfer equipment of electric system or chemical industry.The utility model uses 3 integrated design of pressure vessel and steam generator
The inner space of reactor pressure vessel is taken full advantage of, while four feed-water intakes 105 and steam (vapor) outlet 106 are set, effectively
The volume for reducing whole steam generator 3, improve heat exchange efficiency.In addition, pass through the control to four feed-water intakes 105
The power adjusting of steam generator 3 can be achieved, operation is easy to operate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (10)
- A kind of 1. integration cold containers nuclear reactor, it is characterised in that：It is internal including pressure vessel cylinder (1), pressure vessel cylinder (1) The poisonous substance tank (5) with pressure vessel cylinder (1) concentric setting is provided with, reactor core is provided among poisonous substance tank (5) interior bottom portion (4), reactor core (4) lower end is provided with assignment of traffic ring (404), and poisonous substance tank (5) is up-narrow and down-wide, is set outside the narrow portion of poisonous substance tank (5) The steam generator (3) for the upper end for being sleeved on poisonous substance tank (5) is equipped with, upper chamber (f), epicoele are provided with above steam generator (3) Room (f) connects poisonous substance tank (5) inside with steam generator (3), poisonous substance tank (5) and pressure vessel below steam generator (3) The decline passway (g) of annular is formed between cylinder (1), the lower end of reactor core (4) is provided with assignment of traffic ring (404), assignment of traffic It is provided with the coolant flow passages (4041) of radial direction on ring (404), coolant flow passages (4041) are by decline passway (g) and reactor core (4) Connection, the decline passway (g) at the middle part of the pressure vessel cylinder (1) is interior to be provided with for driving primary side loop circulation flow Driving device.
- 2. integration cold containers nuclear reactor according to claim 1, it is characterised in that：On the steam generator (3) Boron water partition plate (7), shape between boron water partition plate (7) and pressure vessel cylinder (1) inner tip are provided with the pressure vessel cylinder (1) of side Into upper boron water cavity (e), the lateral wall of steam generator (3), the madial wall of reactor core (4) lower end and pressure vessel cylinder (1) and bottom Between form lower boron water cavity (d), upper boron water cavity (e) is be filled with boron water, upper boron water cavity (e) and lower boron water in lower boron water cavity (d) Connected between chamber (d), the water of sensing primary side circuit pressure is provided with the madial wall of the lower boron water cavity (d) in upper chamber (f) Operating valve (6) is pressed, the lower end of reactor core (4) is provided with the poisonous substance coordinated with hydraulic pressure operating valve (6) extending into lower boron water cavity (d) Circulate device (406).
- 3. integration cold containers nuclear reactor according to claim 2, it is characterised in that：The reactor core (4) includes fuel Component (401), fuel assembly (401) are located in fuel tank (402), the lower end difference of fuel assembly (401) and fuel tank (402) It is fixed on fuel slab (403), the lower end and the upper end of assignment of traffic ring (404) of fuel slab (403) are affixed, assignment of traffic ring (404) lower end is connected with circular lower cover (405), fuel slab (403), assignment of traffic ring (404) and circular lower cover (405) The closed cooling water circulation cavity (c) of composition one, coolant flow passages (4041) are opened on the ring wall of assignment of traffic ring (404), Poisonous substance circulation device (406) is arranged on circular lower cover (405), poisonous substance circulation device (406) pass through circular lower cover (405) and It is vertically arranged, the upper end of poisonous substance circulation device (406) is located in cooling water circulation cavity (c), the lower end position of poisonous substance circulation device (406) In lower boron water cavity (d), coolant flow passages (4041) are located at the top of lower boron water cavity (d), and lower boron water cavity (d) is located at assignment of traffic The lower section of ring (404).
- 4. integration cold containers nuclear reactor according to claim 1, it is characterised in that：The driving device is self-pressurization Type pumps (2), and self-pressurization type pump (2) includes motor (201), intake tunnel (202) and exhalant canal (203), and motor (201) is given certainly Compression type pump (2) provides power, and exhalant canal (203) and intake tunnel (202) are concentric, and intake tunnel (202) is located at water outlet Passage (203) is internal, and the cross-sectional area of intake tunnel (202) is more than the cross-sectional area of exhalant canal (203), intake tunnel (202) pressure-regulating valve (204) for adjusting primary side circuit pressure is provided with the connectivity part of exhalant canal (203).
- 5. integration cold containers nuclear reactor according to claim 4, it is characterised in that：The quantity of self-pressurization type pump (2) For two, self-pressurization type pump (2) symmetrical branch, water outlet is opened on the side wall of intake tunnel (202), water outlet mouth down.
- 6. integration cold containers nuclear reactor according to claim 1, it is characterised in that：Steam generator (3) bag Include steam generator inner cylinder (301), steam generator outer barrel (302) and positioned at steam generator inner cylinder (301), steam generator Steam generator intermediate cylinder (303) between outer barrel (302), steam generator inner cylinder (301) are sleeved on the top of poisonous substance tank (5), The lower end of steam generator outer barrel (302) is fixed in one end to water manifold (304), and the other end to water manifold (304) is not Contacted with the lateral wall of steam generator inner cylinder (301) and poisonous substance tank (5), the lower end of steam generator intermediate cylinder (303) is affixed On the upper surface to water manifold (304), giving on water manifold (304) for steam generator intermediate cylinder (303) both sides has Inlet opening (3041) and apopore (3042), feed pipe (305) are located among steam generator outer barrel (302) and steam generator In the first ring cavity (a) between cylinder (303), one end of feed pipe (305) is connected with inlet opening (3041), feed pipe (305) Other end is connected with the feed-water intake (105) being arranged on pressure vessel cylinder (1)；Helix tube is accommodated in the second ring cavity (b) between steam generator inner cylinder (301) and steam generator intermediate cylinder (303) (306), helix tube (306) is spiral upwards around steam generator inner cylinder (301), the lower end of helix tube (306) and apopore (3042) connect, the upper end of helix tube (306) is connected with the steam (vapor) outlet (106) being arranged on pressure vessel cylinder (1).
- 7. integration cold containers nuclear reactor according to claim 1, it is characterised in that：Place of upper chamber (f) pressure thimble The feed-water intake (105) and steam (vapor) outlet (106) connected respectively with steam generator (3) is provided with the side wall of body (1).
- 8. integration cold containers nuclear reactor according to claim 7, it is characterised in that：Feed-water intake (105) and steam The quantity for exporting (106) is respectively four, and feed-water intake (105) and steam (vapor) outlet (106) are uniformly arranged alternately, feed-water intake (105) in same level and intersect at a point with the axial line of steam (vapor) outlet (106).
- 9. integration cold containers nuclear reactor according to claim 1, it is characterised in that：Pressure vessel cylinder (1) bag Include upper cover (101), upper shell (102), lower shell (104) and low head (103), upper shell (102) and lower shell (104) two End opening, upper cover (101) are arranged on the upper end of upper shell (102), and the lower end of upper shell (102) is upper with lower shell (104) End is bolted, and hemispheric low head (103) is fixed in the lower end of lower shell (104), and low head (103) is by lower shell (104) lower end sealing.
- 10. integration cold containers nuclear reactor according to claim 1, it is characterised in that：The poisonous substance tank (5) includes poison Thing tank hypomere (503), poisonous substance tank changeover portion (502) and poisonous substance tank epimere (501), poisonous substance tank changeover portion (502) are tapered tubular, The caliber of poisonous substance tank epimere (501) is less than the caliber of poisonous substance tank hypomere (503), and steam generator inner cylinder (301) is sleeved on poisonous substance tank On the outside of epimere (501), the internal diameter of steam generator inner cylinder (301) is equal to the outside diameter of poisonous substance tank epimere (501).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720943336.0U CN207367613U (en) | 2017-07-31 | 2017-07-31 | A kind of integration cold containers nuclear reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720943336.0U CN207367613U (en) | 2017-07-31 | 2017-07-31 | A kind of integration cold containers nuclear reactor |
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| CN207367613U true CN207367613U (en) | 2018-05-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785084A (en) * | 2017-07-31 | 2018-03-09 | 清华大学天津高端装备研究院 | A kind of integrated cold containers type reactor of self-pressurization type |
| CN109830313A (en) * | 2019-01-15 | 2019-05-31 | 东华理工大学 | A kind of steam generator spiral heat exchange tube support construction that welding is just dismantled |
| WO2023077672A1 (en) * | 2021-11-05 | 2023-05-11 | 中广核研究院有限公司 | Nuclear reaction device and purification system |
-
2017
- 2017-07-31 CN CN201720943336.0U patent/CN207367613U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785084A (en) * | 2017-07-31 | 2018-03-09 | 清华大学天津高端装备研究院 | A kind of integrated cold containers type reactor of self-pressurization type |
| CN107785084B (en) * | 2017-07-31 | 2023-10-27 | 清华大学天津高端装备研究院 | Self-pressurization type integrated cold vessel type reactor |
| CN109830313A (en) * | 2019-01-15 | 2019-05-31 | 东华理工大学 | A kind of steam generator spiral heat exchange tube support construction that welding is just dismantled |
| WO2023077672A1 (en) * | 2021-11-05 | 2023-05-11 | 中广核研究院有限公司 | Nuclear reaction device and purification system |
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