CN104008781B - Anti-side stream type direct safety injection conducting element and direct safety injection device - Google Patents
Anti-side stream type direct safety injection conducting element and direct safety injection device Download PDFInfo
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- CN104008781B CN104008781B CN201410215636.8A CN201410215636A CN104008781B CN 104008781 B CN104008781 B CN 104008781B CN 201410215636 A CN201410215636 A CN 201410215636A CN 104008781 B CN104008781 B CN 104008781B
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- safety injection
- direct safety
- conducting element
- side stream
- stream type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The present invention discloses a kind of anti-side stream type direct safety injection conducting element, be suitable to dock with the outlet of direct safety injection ozzle and then safety injection water is carried out water conservancy diversion, it is characterized in that: the diversion tube that described anti-side stream type direct safety injection conducting element includes in hollow and bends down, described diversion tube have flow inlet and down go out head piece, described flow inlet docks with the outlet of described direct safety injection ozzle and connects, described go out head piece be flat-shaped structure, and described flow inlet to described in go out the bore of head piece and incrementally increase；Head piece is gone out so that the present invention has the anti-side stream type direct safety injection conducting element of the most flow conductivity, guided bone and anti-by-pass flow by the diversion tube bent down and flat-shaped structure；Separately the invention also discloses a kind of direct safety injection device with anti-side stream type direct safety injection conducting element.
Description
Technical field
The present invention relates to a kind of nuclear reactor safety equipment, particularly relate to the anti-side stream type of a kind of nuclear reactor pressure container
Direct safety injection conducting element and direct safety injection device.
Background technology
Along with the maturation of nuclear energy utilization technology, the safety of nuclear power station is also improved constantly, and the construction of nuclear power station is gradually
The important energy source guarantee becoming national development.
In current nuclear power station, the structure of nuclear reactor is: forms reactor cavity in containment, arranges in heap chamber
Pressure vessel.Pressure vessel connects cold leg and heat pipe section, injects coolant by cold leg, carries out cold to pressure vessel
But, then discharged by heat pipe section.
When nuclear reactor generation cold leg fracture accident or major accident, it is injected into cold leg cold that fracture occurs
But agent will flow directly into containment, thus can not effectively cool down reactor core；Can not in order to solve that above-mentioned accident caused
The technical problem that reactor core is cooled down, it is therefore desirable to safety injection system is set.
Safety injection system is again " emergence core stacking cool system ", and its major function is: when nuclear power generating equipment primary Ioops system
Rupture or rupture and cause loss of-coolant accident (LOCA) (English: Lost of coolant accident, Chinese: loss of-coolant accident (LOCA) are called for short LOCA)
Time, safety injection system is to reactor core water filling, it is ensured that floods and cools down reactor core, prevents core meltdown, keeps the integrity of reactor core；When
When occurring main steam line to rupture, reactor coolant is owing to being shunk by sub-cooled, and manostat water level decreasing, safety is noted
Entering system and inject high concentration boron water to primary Ioops, re-establish manostat water level, rapid shutdown also prevents reactor due to mistake
Cold and recovery of critical.For realizing above-mentioned functions, safety injection system allows for declining according to primary Ioops system pressure during accident
Situation, under different stress levels inject.
In safety injection system, the design of an important parts peace dispensing device is the most reasonable, enters for safety injection water
The effect of reactor core is particularly significant, and current existing peace dispensing device is to flow conductivity, the guided bone of safety injection water and anti-by-pass flow
Shortcomings in property, thus affect its effect.Individually below existing peace dispensing device is carried out necessary explanation:
In pressurized water reactor design in one's early years, peace note adapter is mounted on primary Ioops main pipeline, such as China's Daya Gulf
Nuclear power station and the CPR1000 reactor of follow-up a large amount of construction.In order to improve peace note effectiveness, some reactors have employed peace note
The design that adapter is arranged on reactor pressure vessel, such as AP1000 reactor.Use main pipeline peace note, main pipeline fracture or
During cut, in fact it could happen that the situation of note can not be effectively pacified in peace water filling.Direct safety injection declines ring cavity, institute owing to being directly entered reactor
To improve peace note effectiveness.
Although direct safety injection improves the effectiveness of peace note, but when main pipeline fracture or cut, gas in heap
Under effect, still it is possible that the situation of peace note by-pass flow, in order to improve peace note effectiveness, some designs are by specific structure
Design, it is achieved that peace beam body is turned downwards flowing.As it is shown in figure 1, U.S. Patent Publication No. is US5377242 discloses one
Peace dispensing device, this peace dispensing device is to arrange rectangular chamber 30`, direct safety injection ozzle between pressure vessel 10` and hanging basket 20`
The outlet 41` of 40` is relative with the import of this rectangular chamber 30`, therebetween and be not provided with playing the diversion component of transitional function,
Thus directly make safety injection water along rectangular chamber 30` to pressure vessel 10` flows, accelerate safety injection water to reactor core
Flowing；This peace dispensing device is not provided with guiding device due to centre, and during causing peace to be noted, pipeline and pressure vessel 10` are born
Thermal shock power is relatively big, and safety injection water flows downward uneven along rectangular chamber 30`, thus produces concussion, and anti-by-pass flow is poor.
As shown in Fig. 2, Fig. 3 a and Fig. 3 b, U.S. Patent Publication No. is that US7889830B2 discloses a kind of peace dispensing device, should
Peace dispensing device has guiding device 50`, and this guiding device 50` is the shallow slot structure with groove 51`, just to direct safety injection pipe
The position of mouth 40`, is machined with guiding safety injection water and changes nyctitropic cambered structure 52`, when safety injection water level at a high speed
When injecting in this guiding device 50`, under the guide functions of cambered structure 52`, the flow direction of safety injection water changes,
I.e. flow downward；This guiding device, owing to being installed on hanging basket 20`, is limited by hanging basket 20` thickness, and its radius of the radian is the least,
So that safety injection water is turned the most violent, it is impossible to Ordering safety injection water flows downward very well so that safety note
Producing acutely concussion when jetting flows downward, anti-by-pass flow is poor；Simultaneously because its guiding device is welded on hanging basket 20`,
Certain technical barrier is brought to follow-up hanging basket 20` installation process and the mating operation with direct safety injection ozzle 10`.
As shown in Figure 4, U.S. Patent Publication No. is that US7983377B2 discloses a kind of peace dispensing device, disclosed in this patent
The guiding device of peace dispensing device is to install water conservancy diversion conduit 21`, direct safety injection ozzle 40` on hanging basket 20` just to water conservancy diversion conduit 21`
Opening, on the one hand, when pacifying note process and occurring, the initial flow of safety injection water and impulsive force are relatively big, and safety injection water
Radius of turn in water conservancy diversion conduit 21` is less so that safety injection water can not completely along water conservancy diversion conduit 21` orderly to dirty
Dynamic so that producing acutely concussion when safety injection water flows downward, anti-by-pass flow is poor；On the other hand, due to peace note ozzle 40` with
Do not set transition structure between pressure vessel 10`, during peace note, make welding between direct safety injection ozzle 40` and pressure vessel 10`
Place's thermal stress is relatively big, and the service life of peace note ozzle is greatly reduced.
Therefore, a kind of anti-side stream type direct safety injection conducting element with the most flow conductivity, guided bone and anti-by-pass flow is needed badly.
Summary of the invention
It is an object of the invention to provide a kind of anti-side stream type with the most flow conductivity, guided bone and anti-by-pass flow direct
Peace note conducting element.
Another object of the present invention is to provide a kind of direct safety injection device with anti-side stream type direct safety injection conducting element,
Described anti-side stream type direct safety injection conducting element has good flow conductivity, guided bone and anti-by-pass flow.
For achieving the above object, the invention provides a kind of anti-side stream type direct safety injection conducting element, described anti-side stream type is straight
Connect peace note conducting element and be suitable to dock with the outlet of direct safety injection ozzle and then safety injection water is carried out water conservancy diversion, wherein, described anti-
The diversion tube that side stream type direct safety injection conducting element includes in hollow and bends down, described diversion tube has flow inlet and court
Under go out head piece, described flow inlet docks with the outlet of described direct safety injection ozzle and connects, described in go out head piece be flat-shaped structure,
And described flow inlet to described in go out the bore of head piece and incrementally increase.
It is preferred that described diversion tube is flat-shaped structure.
It is preferred that described anti-side stream type direct safety injection conducting element also includes thermal sleeve, the insertion of described thermal sleeve is described directly
Fixing connection is docked in peace note ozzle and with the flow inlet of described diversion tube.By described thermal sleeve can greatly alleviate by
The thermal shock effect that the huge temperature difference between safety injection water and Core cooling water is brought, thus reduce metallic conduit and pressure
Force container surrender and the risk of fracture.
A kind of direct safety injection device that the present invention provides, including direct safety injection ozzle and anti-side stream type direct safety injection water conservancy diversion
Part, described anti-side stream type direct safety injection conducting element docks with the outlet of described direct safety injection ozzle and then carries out safety injection water
Water conservancy diversion, wherein, the diversion tube that described anti-side stream type direct safety injection conducting element includes in hollow and bends down, described mozzle
Body have flow inlet and down go out head piece, described flow inlet docks with the outlet of described direct safety injection ozzle and connects, described
Going out head piece is flat-shaped structure, and described flow inlet to described in go out the bore of head piece and incrementally increase.
Compared with prior art, owing to the flow inlet of diversion tube of the present invention anti-side stream type direct safety injection conducting element is with straight
The outlet connecing peace note ozzle is docked and is connected, so that in the mozzle physical ability of the present invention utilizes peace note ozzle and pressure vessel
Side is as the support of welded and installed, from without specialized designs soldering mounting structure, it is not required that change exterior tubing, therefore
Without increasing any extra mounting structure for carrying out the firm present invention anti-side stream type direct safety injection conducting element, the i.e. present invention
Stable fixing be connected can be carried out with pressure vessel by the structure of himself, also allow for hanging basket simultaneously in pressure vessel
Assembling；Owing to the diversion tube of the present invention is hollow and the structure design bent down, the structure design of bending greatly increases
The radius of turn of diversion tube, so that when safety injection water flows downward out more in order and steadily, solve existing skill
The technical problem of the anti-by-pass flow difference brought because producing acutely concussion when safety injection water flows downward in art, is greatly improved
The anti-by-pass flow of the present invention；Separately, it is flat-shaped structure owing to going out head piece described in diversion tube of the present invention, and described flow inlet is extremely
Described go out head piece bore incrementally increase so that when safety injection water flows in diversion tube, mozzle physical ability to safety note
The flow direction of jetting carries out good water conservancy diversion and guiding function, and the anti-side stream type direct safety injection conducting element that improve the present invention is flow conductivity
And guided bone, simultaneously under the effect that safety injection water is carried out water conservancy diversion, the width of current gradually broadens, and safety injection water
From in flat-shaped structure go out head piece flow out time, also form the downward height of lamellar (that is: flat-shaped) and hasten the safety injection water of flowing, should
Lamellar safety injection water paste hanging basket at a relatively high speed and flow downward, thus reduce and the contacting of pressure vessel, formed more preferable
Adapt to decline flowing downward of ring cavity shape, and further reduce by-pass flow.
Accompanying drawing explanation
Fig. 1 is existing a kind of peace dispensing device structural representation.
Fig. 2 is existing another kind of peace dispensing device structural representation.
Fig. 3 a is the structural representation of guiding device in Fig. 2.
Fig. 3 b is the structural representation at another visual angle of guiding device in Fig. 2.
Fig. 4 is the structural representation of another guiding device existing.
Fig. 5 is the present invention anti-side stream type direct safety injection conducting element and the structural representation of direct safety injection device installation.
Fig. 6 is the easy structure schematic diagram that direct safety injection device of the present invention is connected on pressure vessel.
Fig. 7 a is the cross-sectional schematic of Fig. 6.
Fig. 7 b is another angle cross-sectional schematic of Fig. 6.
Fig. 8 is the direct safety injection device shown in Fig. 6 and hanging basket and pressure vessel assembling structural representation.
Fig. 9 a is the cross-sectional schematic of the present invention anti-side stream type direct safety injection conducting element.
Fig. 9 b is another angle cross-sectional schematic of the present invention anti-side stream type direct safety injection conducting element.
Figure 10 is the thermal sleeve structural representation of direct safety injection device of the present invention.
Figure 11 a is to have the easy structure schematic diagram that the direct safety injection device of thermal sleeve is connected on pressure vessel.
Figure 11 b is another angle cross-sectional schematic of Figure 11 a.
Figure 12 is the direct safety injection device shown in Figure 10 and hanging basket and pressure vessel assembling structural representation.
Detailed description of the invention
With reference now to accompanying drawing, describing embodiments of the invention, element numbers similar in accompanying drawing represents similar element.
As Fig. 5-Fig. 9 b shows, the direct safety injection device 100 of the present invention includes that direct safety injection ozzle 40 and anti-side stream type are direct
Peace note conducting element 50, described anti-side stream type direct safety injection conducting element 50 dock with the outlet 41 of described direct safety injection ozzle 40 and then
Safety injection water carries out water conservancy diversion, and wherein, described anti-side stream type direct safety injection conducting element 50 includes in hollow and bends down
Diversion tube 51, described diversion tube have flow inlet 52 and down go out head piece 53, described flow inlet 52 and described direct peace
The outlet 41 of note ozzle 40 is docked and is connected, go out head piece 53 in flat-shaped structure, and described flow inlet 52 to described go out head piece 53
Bore incrementally increases.Specifically, the diversion tube 51 of the present invention can utilize conduct inside direct safety injection ozzle 40 and pressure vessel
The support of welded and installed, thus directly the flow inlet 52 of diversion tube 51 is docked with the outlet 41 of direct safety injection ozzle 40 and weld
Connect and be fixed on the medial wall of pressure vessel 10, simultaneously because be formed with ring-type ring between pressure vessel 10 and hanging basket 20
Chamber 30, by direct safety injection device 100 and the peace going out head piece 53 outflow of anti-side stream type direct safety injection conducting element 50 of the present invention
Full injection water can be flowed in the ring cavity 30 of decline smoothly.
Continuing with shown in Fig. 6-Fig. 9 b, the diversion tube 51 of the present invention can utilize direct safety injection ozzle 40 and pressure vessel
Inner side is as the support of welded and installed, from without specialized designs soldering mounting structure, it is not required that change exterior tubing, because of
This is without increasing any extra mounting structure for carrying out the firm present invention anti-side stream type direct safety injection conducting element 50, simultaneously
Also allow for the hanging basket 20 assembling in pressure vessel 10；The structure that the diversion tube 51 of the present invention in hollow and bends down sets
Meter, the structure design of bending greatly increases the radius of turn of diversion tube 51, so that safety injection water flows downward out
Shi Gengjia with steadily, is greatly improved the anti-by-pass flow of the present invention in order；Head piece 53 is gone out described in diversion tube 51 of the present invention
In flat-shaped structure, and described flow inlet 52 to described go out head piece 53 bore incrementally increase so that safety injection water is at mozzle
In body 51 during flowing, diversion tube 51 can carry out good water conservancy diversion and guiding function to the flow direction of safety injection water, improves this
Flow conductivity and the guided bone of the anti-side stream type direct safety injection conducting element 50 of invention, safety injection water is from going out in flat-shaped structure simultaneously
When head piece 53 flows out, also form the downward height of lamellar (that is: flat-shaped) and hasten the safety injection water of flowing, this lamellar safety note
Jetting pastes hanging basket 20 at a relatively high speed and flows downward, thus reduces and the contacting of pressure vessel 10, and formation better conforms to ring-type
The flowing downward of ring cavity 30, and further reduce by-pass flow.
Continuing as shown in Figure 10-Figure 12, the direct safety injection device 100 of the present invention includes direct safety injection ozzle 40 and anti-by-pass flow
Formula direct safety injection conducting element 50, described anti-side stream type direct safety injection conducting element 50 is right with the outlet 41 of described direct safety injection ozzle 40
Tapping into and safety injection water is carried out water conservancy diversion, wherein, described anti-side stream type direct safety injection conducting element 50 includes in hollow and down
Bending diversion tube 51 and thermal sleeve 60, described diversion tube have flow inlet 52 and down go out head piece 53, described influent stream
Mouthfuls 52 dock with the outlet 41 of described direct safety injection ozzle 40 and connect, described in go out head piece 53 in flat-shaped structure, and described influent stream
Mouthfuls 52 to described go out head piece 53 bore incrementally increase.In described thermal sleeve 60 inserts described direct safety injection ozzle 40 and with described
The fixing connection of flow inlet 52 docking of diversion tube 51；Specifically, the diversion tube 51 of the present invention can utilize direct safety injection ozzle
40 and pressure vessel inside as the support of welded and installed, thus directly by flow inlet 52 and the direct safety injection pipe of diversion tube 51
Outlet 41 butt welding of mouth 40 is logical in succession and is fixed on the medial wall of pressure vessel 10, simultaneously because pressure vessel 10 and hanging basket
Ring-type ring cavity 30 it is formed with, by direct safety injection device 100 and the anti-side stream type direct safety injection conducting element of the present invention between 20
The safety injection water going out head piece 53 outflow of 50 can be flowed in the ring cavity 30 of decline smoothly.Meanwhile, direct safety injection of the present invention
Device 100 and anti-side stream type direct safety injection conducting element 50 can greatly be alleviated due to safety injection water by described thermal sleeve 60
And the thermal shock effect that the huge temperature difference between Core cooling water is brought, thus reduce metallic conduit and pressure vessel surrender and
The risk of fracture.
In conjunction with Fig. 9 a and Fig. 9 b Suo Shi preferably, described diversion tube 51 is in flat-shaped structure so that diversion tube 51 interior
Portion forms flat-shaped hollow structure, flows into the safety injection water shape in the form of sheets in diversion tube 51, thus safety injection water is from going out
When head piece 53 flows out, also form the downward height of lamellar (that is: flat-shaped) and hasten the steady and stable safety injection water of flowing so that
More in order with steadily when safety injection water flows downward out, further improve the anti-by-pass flow effect of the present invention.
Shown in Fig. 6-Figure 12, leading of the present invention anti-side stream type direct safety injection conducting element 50 and direct safety injection device 100
The flow inlet 52 of flow tube body 51 docks with the outlet 41 of direct safety injection ozzle 40 and connects, so that the diversion tube of the present invention
51 can utilize the support inside direct safety injection ozzle 40 and pressure vessel as welded and installed, weld from without specialized designs
Mounting structure, it is not required that change exterior tubing, therefore any extra for carrying out the firm anti-by-pass flow of the present invention without increasing
The mounting structure of formula direct safety injection conducting element 50, the i.e. present invention can carry out stable by the structure of himself and pressure vessel 10
Fixing connection, also allow for the hanging basket 20 assembling in pressure vessel 10 simultaneously；Owing to the diversion tube 51 of the present invention is in hollow
And the structure design bent down, the structure design of bending greatly increases the radius of turn of diversion tube 51, so that
More in order with steadily when safety injection water flows downward out, solve in prior art because producing when safety injection water flows downward
The technical problem of the anti-by-pass flow difference acutely shaken and bring, is greatly improved the anti-by-pass flow of the present invention；Separately, due to this
Go out head piece 53 described in bright diversion tube 51 in flat-shaped structure, and described flow inlet 52 to described go out head piece 53 bore progressively increase
Greatly so that when safety injection water flows in diversion tube 51, the flow direction of safety injection water can be carried out well by diversion tube 51
Water conservancy diversion and guiding function, improve the flow conductivity and guided bone of the anti-side stream type direct safety injection conducting element 50 of the present invention, simultaneously
Under the effect that safety injection water is carried out water conservancy diversion, the width of current gradually broadens, and safety injection water is from flat-shaped structure
Go out head piece 53 when flowing out, the downward height also forming lamellar (that is: flat-shaped) hastens the safety injection water of flowing, this lamellar peace
Full injection water pastes hanging basket 20 at a relatively high speed and flows downward, thus reduces and the contacting of pressure vessel 10, formation better conform to
Flowing downward of ring-type ring cavity 30, and further reduce by-pass flow.
Separately, pressure vessel 10, hanging basket 20 and the concrete structure of direct safety injection ozzle 40 involved in the present invention and work former
Reason, is well known to those of ordinary skill in the art, is no longer described in detail at this.
The above disclosed the preferred embodiments of the present invention that are only, can not limit the right of the present invention with this certainly
Scope, the equivalent variations therefore made according to scope of the present invention patent, still belong to the scope that the present invention is contained.
Claims (4)
1. an anti-side stream type direct safety injection conducting element, is suitable to dock with the outlet of direct safety injection ozzle and then to safety injection water
Carry out water conservancy diversion, it is characterised in that: the diversion tube that described anti-side stream type direct safety injection conducting element includes in hollow and bends down,
Described diversion tube have flow inlet and down go out head piece, described flow inlet docks also with the outlet of described direct safety injection ozzle
Connection, described in go out head piece be flat-shaped structure, and described flow inlet to described in go out the bore of head piece and incrementally increase.
Anti-side stream type direct safety injection conducting element the most as claimed in claim 1, it is characterised in that: described diversion tube is flat-shaped knot
Structure.
Anti-side stream type direct safety injection conducting element the most as claimed in claim 1, it is characterised in that: also include thermal sleeve, described heat
Fixing connection is docked in sleeve pipe inserts described direct safety injection ozzle and with the flow inlet of described diversion tube.
4. a direct safety injection device, including direct safety injection ozzle and anti-side stream type direct safety injection conducting element, described anti-side stream type
Direct safety injection conducting element docks with the outlet of described direct safety injection ozzle and then safety injection water is carried out water conservancy diversion, and its feature exists
In: described anti-side stream type direct safety injection conducting element is as described in any one of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215636.8A CN104008781B (en) | 2014-05-21 | 2014-05-21 | Anti-side stream type direct safety injection conducting element and direct safety injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215636.8A CN104008781B (en) | 2014-05-21 | 2014-05-21 | Anti-side stream type direct safety injection conducting element and direct safety injection device |
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| CN104008781A CN104008781A (en) | 2014-08-27 |
| CN104008781B true CN104008781B (en) | 2017-01-04 |
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| CN201410215636.8A Active CN104008781B (en) | 2014-05-21 | 2014-05-21 | Anti-side stream type direct safety injection conducting element and direct safety injection device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544543A (en) * | 2019-09-12 | 2019-12-06 | 国家电投集团科学技术研究院有限公司 | safety water protection device and reactor with same |
| CN114664464A (en) * | 2022-02-28 | 2022-06-24 | 深圳中广核工程设计有限公司 | Guiding device for reactor and reactor |
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| CN101681685A (en) * | 2007-05-08 | 2010-03-24 | 西屋电气有限责任公司 | Nuclear reactor downcomer flow deflector |
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| KR100527438B1 (en) * | 2003-04-08 | 2005-11-09 | 한국원자력연구소 | Pressurized light water reactor having flow converting grooves for emergency core cooling water |
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| US5377242A (en) * | 1993-11-15 | 1994-12-27 | B&W Nuclear Service Company | Method and system for emergency core cooling |
| KR20060028337A (en) * | 2004-09-24 | 2006-03-29 | 한국원자력연구소 | Direct vessel injection nozzle for minimum ecc bypass |
| CN101681685A (en) * | 2007-05-08 | 2010-03-24 | 西屋电气有限责任公司 | Nuclear reactor downcomer flow deflector |
| CN101540212A (en) * | 2008-03-17 | 2009-09-23 | 韩国原子力研究院 | Emergency core cooling system having core barrel injection extension ducts |
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Address after: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Applicant after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Applicant after: China General Nuclear Power Corporation Address before: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Applicant before: Zhongkehua Nuclear Power Technology Institute Co., Ltd. Applicant before: China General Nuclear Power Corporation |
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