CN206789311U - Emergence compensating water device after a kind of secondary circuit accident - Google Patents
Emergence compensating water device after a kind of secondary circuit accident Download PDFInfo
- Publication number
- CN206789311U CN206789311U CN201720546963.0U CN201720546963U CN206789311U CN 206789311 U CN206789311 U CN 206789311U CN 201720546963 U CN201720546963 U CN 201720546963U CN 206789311 U CN206789311 U CN 206789311U
- Authority
- CN
- China
- Prior art keywords
- water
- moisturizing
- valve
- pump
- water tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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 belongs to nuclear power plant accident mitigation technique field, more particularly to emergence compensating water device after kind of secondary circuit accident, purpose is to develop a kind of device and water supplementing method that can quickly to nuclear island steam generator secondary side moisturizing, it is easy to disassemble and be used for multiple times, preferable sealing can be formed after installation with tie point, and external water source device can facilitate and arrive at tie point, it can continue in the case of full factory's dead electricity to nuclear island steam generator secondary side moisturizing, avoid the expansion of accident.It is characterized in that：It includes moisturizing water source supply equipment, moisturizing power-equipment, Quick Connect Kit and connecting pipeline；The output end of water source supply equipment is connected by connecting pipeline with the input of moisturizing power-equipment；The output end of moisturizing power-equipment is by Quick Connect Kit and connecting pipeline with needing the position of emergence compensating water to be connected.
Description
Technical field
The utility model belongs to nuclear power plant accident mitigation technique field, and in particular to emergence compensating water after a kind of secondary circuit accident
Device.
Background technology
Fukushima, Japan nuclear power plant is in the presence of earthquake and tsunami, there occurs station blackout accident, because power supply does not have for a long time
It is restored, it is complete in primary Ioops, in the case that reactor core can establish Natural Circulation, manually open secondary circuit air row
Valve is put, residual heat of nuclear core is discharged by steam generator, after atmospheric dump valve is opened, steam generator secondary side cooling water can be a large amount of
Lose, now need to steam generator secondary side moisturizing, to ensure the long-term cooling of reactor core.In order to realize in long-term dead electricity feelings
To the lasting moisturizing of steam generator under condition, it is necessary to set corresponding moisturizing facility and mode.If steam is sent out under accident conditions
The steam pressure of raw device can maintain the operation of steam generator auxiliary feedwater system pneumatic pump, then need to set up for auxiliary feed-water tank
Emergence compensating water measure, moisturizing can be continued, and meet the requirement of rate of water make-up.
And with the progress of accident, steam pressure caused by steam generator possibly can not continue to press on steam-operating aid in
Water pump, while electronic auxiliary feed water pump cannot also power, even if the emergence compensating water passage now increased newly by auxiliary feed-water tank
The water-refilling operation of steam generator can not also be realized by carrying out moisturizing to auxiliary water tank, so as to realize the Residual heat removal of reactor core.
In this case, it is therefore necessary to increase the direct emergence compensating water passage for steam generator moisturizing, and with lasting moisturizing
Function, to ensure steam generator secondary side water level, and manually opened atmospheric dump valve arranges air mode by Steam Turbine Bypass System
Discharge residual heat of nuclear core.
In view of 2 points of the above is, it is necessary to design a kind of secondary circuit emergence compensating water device, and mended using suitable mode
Water, to ensure the cooling of steam generator secondary side water level and reactor core, avoid fault spread.
The content of the invention
The purpose of this utility model is to develop a kind of device that can quickly to nuclear island steam generator secondary side moisturizing
And water supplementing method, it is easy to disassemble and be used for multiple times, preferable sealing, and external water source device energy can be formed after installation with tie point
Enough facilities arrive at tie point, can continue in the case of full factory's dead electricity to nuclear island steam generator secondary side moisturizing, avoid accident
Expansion.
What the utility model was realized in：
Emergence compensating water device after a kind of secondary circuit accident, including moisturizing water source supply equipment, moisturizing power-equipment, quickly connect
Connection device and connecting pipeline；The output end of water source supply equipment is connected by connecting pipeline with the input of moisturizing power-equipment；
The output end of moisturizing power-equipment is by Quick Connect Kit and connecting pipeline with needing the position of emergence compensating water to be connected.
Moisturizing water source supply equipment as described above includes fire fighting truck, fire fighting truck water tank, the first valve and the second valve；Disappear
Anti- car water tank is arranged on fire fighting truck, is realized by fire fighting truck motor-driven；First valve is arranged on the delivery port of fire fighting truck water tank；The
Two valves are arranged on the water inlet of fire fighting truck water tank.
Moisturizing water source supply equipment as described above also includes external water source, for meeting long-time moisturizing requirement.
The volume of fire fighting truck water tank as described above is 12000L, metered flow 100L/S.
Moisturizing power-equipment as described above includes mobile pump vehicle, diesel engine, water pump, water tank, the 3rd valve and the 4th valve
Door；Diesel engine, water pump and pump truck water tank are installed on mobile pump vehicle, are realized by mobile pump vehicle motor-driven；4th valve is set
In the water inlet end of pump truck water tank, it is connected by connecting pipeline with the first valve；3rd valve is arranged on the water side of pump truck water tank,
It is connected by water pipe with water pump；It is connected between diesel engine and water pump by shaft coupling, drives the operating of water pump.
The metered flow of water pump as described above is 65m3/ h (18L/s), disclosure satisfy that moisturizing requirement.
Quick Connect Kit as described above includes snap joint and additional snap joint；Snap joint is arranged on water pump
Output end, it is connected by connecting pipeline with additional snap joint；Additional snap joint is arranged on the water tank isolating valve of auxiliary water tank
Lower end.
Quick Connect Kit as described above includes snap joint and quick water replanishing device；Snap joint is arranged on water pump
Output end, it is connected by connecting pipeline with quick water replanishing device；Quick water replanishing device is arranged on check-valves.
Snap joint as described above and additional snap joint are realized using standard fire coupling；Quick water replanishing device bag
Include standard fire coupling, straight length and adpting flange；The lower end of standard fire coupling is fixedly connected with the upper end of straight length；Straight tube
The lower end of section is fixed on the mounting hole at adpting flange center；The lower end of adpting flange is fixedly connected with check-valves.
Connecting pipeline as described above is realized using fire hose.
The beneficial effects of the utility model are：
The utility model material is easy to get, simple installation, good seal performance, according to simulation installation experiment, whole installation process
In 20 minutes, rapid recovery accident impact.
In accident early stage, when steam pressure caused by steam generator can still promote pneumatic pump, auxiliary feed-water tank water is also
When being enough to supply steam generator water, only need that directly fire hose be connected with the fire hydrant head reserved, install convenient, can
Lean on, after Open valve, directly supplied water to auxiliary feed-water tank, early stage way of supplying water install convenient, reliable, can at accident initial stage,
In time to steam generator moisturizing, and directly time is provided for steam generator moisturizing for post incident.Post incident,
When steam pressure caused by steam generator can not promote pneumatic pump, remove and pacify on steam generator auxiliary feedwater main pipe pipeline
The complete outer check-valves end cap of shell, installs Quick Connect Kit, and also with power water supplement apparatus moisturizing, installation process is convenient, reliable,
Existing design need not be changed and set up other facilities, ensured to meet that steam generator supplements cooling water inflow according to design capacity, and
Moisturizing can be continued, effectively prevent the expansion of accident.
The mode of moisturizing is carried out using the fire water box of fire fighting truck, secondary circuit " charge-discharge " mode can be passed through for a long time
Discharge reactor core heat, its emergence compensating water flow can meet the needs that residual heat of nuclear core is discharged after shutdown 6 hours.
The complete equipment and water supplementing method can guarantee that the operation demand of at least 72 hours after accident, and meeting " need to be 6 small after shutdown
When it is interior complete emergence compensating water measure all preparations, and be in upstate " requirement.
Brief description of the drawings
Fig. 1 is the direct system knot to auxiliary water tank moisturizing of emergence compensating water device after a kind of secondary circuit accident of the invention
Composition；
Fig. 2 is the direct system to steam generator moisturizing of emergence compensating water device after a kind of secondary circuit accident of the invention
Structure chart；
Fig. 3 is the connection diagram of the quick water replanishing device and check-valves in Fig. 2.
Wherein：1. fire fighting truck, 2. fire fighting truck water tanks, 3. first valves, 4. second valves, 5. external water sources, 6. movement pumps
Car, 7. diesel engines, 8. water pumps, 9. pump truck water tanks, 10. the 3rd valves, 11. the 4th valves, 12. snap joints, 13. is additional quick
Joint, 14. fire hoses, 15. water tank isolating valves, 16. auxiliary water tanks, 17. quick water replanishing devices, 18. check-valves, 19. cores are anti-
Answer heap containment, 20. main feedwater, 21. steam generators.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
Embodiment one：
As shown in figure 1, emergence compensating water device after a kind of secondary circuit accident, including moisturizing water source supply equipment, moisturizing power
Equipment, Quick Connect Kit and connecting pipeline.The output end of water source supply equipment passes through connecting pipeline and moisturizing power-equipment
Input connects.The output end of moisturizing power-equipment is by Quick Connect Kit and connecting pipeline and is arranged under auxiliary water tank 16
The water tank isolating valve 15 of side connects.
Moisturizing water source supply equipment includes fire fighting truck 1, fire fighting truck water tank 2, the first valve 3 and the second valve 4.Fire fighting truck water
Case 2 is arranged on fire fighting truck 1, is realized by fire fighting truck 1 motor-driven.First valve 3 is arranged on the delivery port of fire fighting truck water tank 2；The
Two valves 4 are arranged on the water inlet of fire fighting truck water tank 2.Preferably, moisturizing water source supply equipment also includes external water source 5, is used for
Meet long-time moisturizing requirement.
In the present embodiment, when carrying out moisturizing to auxiliary water tank 16, the volume of fire fighting truck water tank 2 is 12000L, specified
Flow 100L/S, cope with the 60m of auxiliary feed-water tank 163/ h (16.7l/s) moisturizing requirement.
Moisturizing power-equipment includes mobile pump vehicle 6, diesel engine 7, water pump 8, water tank 9, the 3rd valve 10 and the 4th valve 11.
Diesel engine 7, water pump 8 and pump truck water tank 9 are installed on mobile pump vehicle 6, are realized by mobile pump vehicle 6 motor-driven.4th valve 11
The water inlet end of pump truck water tank 9 is arranged on, is connected by connecting pipeline with the first valve 3.3rd valve 10 is arranged on pump truck water tank 9
Water side, be connected by water pipe with water pump 8.It is connected between diesel engine 7 and water pump 8 by shaft coupling, drives the fortune of water pump
Turn.
In the present embodiment, when carrying out moisturizing to auxiliary water tank 16, the metered flow of water pump 8 is 65m3/ h (18L/s),
It disclosure satisfy that moisturizing requirement.
Quick Connect Kit includes snap joint 12 and additional snap joint 13.Snap joint 12 is arranged on the defeated of water pump 8
Go out end, be connected by connecting pipeline with additional snap joint 13.Additional snap joint 13 be arranged on the water tank of auxiliary water tank 16 every
From the lower end of valve 15.
In the present embodiment, snap joint 12 and additional snap joint 13 are realized using standard fire coupling, versatility
By force, it is firm in structure durable.
Connecting pipeline realizes that material is easy to get using fire hose 14, and fire hose good airproof performance, and pressure-resistant degree is high, just
It is easy in fast assembling-disassembling, storage.
Operation principle of the present utility model is as follows：
When accident occurs for nuclear power plant, mobile pump vehicle 6 and fire fighting truck 1 are opened to the isolating valve of auxiliary feed-water tank, will
The one end of fire hose 14 is connected with the additional snap joint 13 in the downstream of water tank isolating valve 15, other end and the output end of water pump 8
Snap joint 12 be connected；The porch of water pump 8 is connected with the exit of pump truck water tank 9 using rigid hard tube, and there is the 3rd valve centre
Door 10 is to make to isolate.After connection, first confirm that fire fighting truck water tank 2 is full, open the first valve 3, the 3rd valve 10 and the
Four valves 11, start diesel engine 7 and drive water pump 8 to be supplied water to auxiliary water tank 16.After the water of fire fighting truck water tank 2 is finished, the is closed
One valve 3 and the 4th valve 11, the fire hose 14 being connected with the port of export of fire fighting truck water tank 2 is dismantled, is connected to another rapidly
The fire fighting truck of full water, the first valve 3 and the 4th valve 11 are opened, start diesel engine 7 and drive water pump 8 persistently to supply water.Without water
Fire fighting truck 1 can be opened to external water source 5, and the second valve 4 is connected with external water source 5 with fire hose 14, open the second valve
4, supplied water to fire fighting truck water tank 2.So circulation, it can reach the purpose for continuing to supply water to auxiliary water tank 16.
Embodiment two：
As shown in Fig. 2 emergence compensating water device after a kind of secondary circuit accident, including moisturizing water source supply equipment, moisturizing power
Equipment, Quick Connect Kit and connecting pipeline.The output end of water source supply equipment passes through connecting pipeline and moisturizing power-equipment
Input connects.The output end of moisturizing power-equipment is by Quick Connect Kit and connecting pipeline and is arranged on the emergent benefit of nuclear power plant
Check-valves 18 on aquaporin connects.
Moisturizing water source supply equipment includes fire fighting truck 1, fire fighting truck water tank 2, the first valve 3 and the second valve 4.Fire fighting truck water
Case 2 is arranged on fire fighting truck 1, is realized by fire fighting truck 1 motor-driven.First valve 3 is arranged on the delivery port of fire fighting truck water tank 2；The
Two valves 4 are arranged on the water inlet of fire fighting truck water tank 2.Preferably, moisturizing water source supply equipment also includes external water source 5, is used for
Meet long-time moisturizing requirement.
In the present embodiment, when carrying out moisturizing to steam generator 21, the volume of fire fighting truck water tank 2 is 12000L, volume
Constant flow 100L/S, cope with least 40m of 21 direct moisturizing of steam generator3/ h (11.11/s) moisturizing requirement.
Moisturizing power-equipment includes mobile pump vehicle 6, diesel engine 7, water pump 8, water tank 9, the 3rd valve 10 and the 4th valve 11.
Diesel engine 7, water pump 8 and pump truck water tank 9 are installed on mobile pump vehicle 6, are realized by mobile pump vehicle 6 motor-driven.4th valve 11
The water inlet end of pump truck water tank 9 is arranged on, is connected by connecting pipeline with the first valve 3.3rd valve 10 is arranged on pump truck water tank 9
Water side, be connected by water pipe with water pump 8.It is connected between diesel engine 7 and water pump 8 by shaft coupling, drives the fortune of water pump
Turn.
In the present embodiment, when carrying out moisturizing to steam generator 21, the metered flow of water pump 8 is 65m3/h(18L/
S), it disclosure satisfy that moisturizing requirement.
Quick Connect Kit includes snap joint 12 and quick water replanishing device 17.Snap joint 12 is arranged on the defeated of water pump 8
Go out end, be connected by connecting pipeline with quick water replanishing device 17.Quick water replanishing device 17 is arranged on check-valves 18.
In the present embodiment, snap joint 12 is realized using standard fire coupling, versatile, firm in structure durable.Such as
Shown in Fig. 3, quick water replanishing device 17 includes standard fire coupling, straight length and adpting flange.The lower end of standard fire coupling with
The upper end of straight length is fixedly connected.The lower end of straight length is fixed on the mounting hole at adpting flange center.The lower end of adpting flange
It is fixedly connected with check-valves 18.
Connecting pipeline realizes that material is easy to get using fire hose 14, and fire hose good airproof performance, and pressure-resistant degree is high, just
It is easy in fast assembling-disassembling, storage.
Operation principle of the present utility model is as follows：
When accident occurs for nuclear power plant, mobile pump vehicle 6 and fire fighting truck 1 are opened to positioned at the outside of nuclear reactor safety shell 19
Near check-valves 18 on emergence compensating water passage, positioned at the opposite side of main feedwater 20.By the one end of fire hose 14 and quick moisturizing
Device 17 is connected, and other end is connected with the snap joint 12 of the output end of water pump 8；The porch of water pump 8 goes out with pump truck water tank 9
Connected at mouthful using rigid hard tube, centre has the 3rd valve 10 to make to isolate.After connection, fire fighting truck water tank 2 is first confirmd that
It is full, the first valve 3, the 3rd valve 10 and the 4th valve 11 are opened, starts diesel engine 7 and drives water pump 8 to be supplied to auxiliary water tank 16
Water.After the water of fire fighting truck water tank 2 is finished, the first valve 3 and the 4th valve 11, dismounting and the port of export of fire fighting truck water tank 2 are closed
The fire hose 14 being connected, the fire fighting truck of another full water is connected to rapidly, opens the first valve 3 and the 4th valve 11, start
Diesel engine 7 drives water pump 8 persistently to supply water.Fire fighting truck 1 without water can be opened to external water source 5, by the second valve 4 and external water source
5 are connected with fire hose 14, are opened the second valve 4, are supplied water to fire fighting truck water tank 2.So circulation, it can reach and continue to auxiliary
The purpose that water tank 16 supplies water.
The implementation of the present invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to above-mentioned reality
Example is applied, can also be on the premise of present inventive concept not be departed from those of ordinary skill in the art's possessed knowledge
Various changes can be made.The content not being described in detail in description of the invention can use prior art.
Claims (10)
- A kind of 1. emergence compensating water device after secondary circuit accident, it is characterised in that：It includes moisturizing water source supply equipment, moisturizing power Equipment, Quick Connect Kit and connecting pipeline；The output end of water source supply equipment passes through connecting pipeline and moisturizing power-equipment Input connects；The output end of moisturizing power-equipment passes through the position of Quick Connect Kit and connecting pipeline with needing emergence compensating water It is connected.
- 2. emergence compensating water device after secondary circuit accident according to claim 1, it is characterised in that：Described moisturizing water source supplies Include fire fighting truck (1), fire fighting truck water tank (2), the first valve (3) and the second valve (4) to equipment；Fire fighting truck water tank (2) is installed On fire fighting truck (1), realized by fire fighting truck (1) motor-driven；First valve (3) is arranged on the delivery port of fire fighting truck water tank (2)；The Two valves (4) are arranged on the water inlet of fire fighting truck water tank (2).
- 3. emergence compensating water device after secondary circuit accident according to claim 2, it is characterised in that：Described moisturizing water source supplies Also include external water source (5) to equipment, for meeting long-time moisturizing requirement.
- 4. emergence compensating water device after secondary circuit accident according to claim 2, it is characterised in that：Described fire fighting truck water tank (2) volume is 12000L, metered flow 100L/S.
- 5. emergence compensating water device after secondary circuit accident according to claim 2, it is characterised in that：Described moisturizing power is set It is standby to include mobile pump vehicle (6), diesel engine (7), water pump (8), water tank (9), the 3rd valve (10) and the 4th valve (11)；Diesel engine (7), water pump (8) and pump truck water tank (9) are installed on mobile pump vehicle (6), are realized by mobile pump vehicle (6) motor-driven；4th valve Door (11) is arranged on the water inlet end of pump truck water tank (9), is connected by connecting pipeline with the first valve (3)；3rd valve (10) is set Put in the water side of pump truck water tank (9), be connected by water pipe with water pump (8)；Pass through shaft coupling between diesel engine (7) and water pump (8) Device is connected, and drives the operating of water pump.
- 6. emergence compensating water device after secondary circuit accident according to claim 5, it is characterised in that：Described water pump (8) Metered flow is 65m3/ h, it disclosure satisfy that moisturizing requirement.
- 7. emergence compensating water device after secondary circuit accident according to claim 5, it is characterised in that：Described quick connection dress Put including snap joint (12) and additional snap joint (13)；Snap joint (12) is arranged on the output end of water pump (8), passes through company Adapter line is connected with additional snap joint (13)；Additional snap joint (13) is arranged on the water tank isolating valve of auxiliary water tank (16) (15) lower end.
- 8. emergence compensating water device after secondary circuit accident according to claim 5, it is characterised in that：Described quick connection dress Put including snap joint (12) and quick water replanishing device (17)；Snap joint (12) is arranged on the output end of water pump (8), passes through company Adapter line is connected with quick water replanishing device (17)；Quick water replanishing device (17) is arranged on check-valves (18).
- 9. emergence compensating water device after the secondary circuit accident according to claim 7 or 8, it is characterised in that：Described fast quick access Head (12) and additional snap joint (13) are realized using standard fire coupling；Quick water replanishing device (17) connects including standard fire-fighting Mouth, straight length and adpting flange；The lower end of standard fire coupling is fixedly connected with the upper end of straight length；The lower end of straight length is fixed On the mounting hole at adpting flange center；The lower end of adpting flange is fixedly connected with check-valves (18).
- 10. emergence compensating water device after secondary circuit accident according to claim 1, it is characterised in that：Described connecting pipeline Realized using fire hose (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720546963.0U CN206789311U (en) | 2017-05-17 | 2017-05-17 | Emergence compensating water device after a kind of secondary circuit accident |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720546963.0U CN206789311U (en) | 2017-05-17 | 2017-05-17 | Emergence compensating water device after a kind of secondary circuit accident |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206789311U true CN206789311U (en) | 2017-12-22 |
Family
ID=60712192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720546963.0U Active CN206789311U (en) | 2017-05-17 | 2017-05-17 | Emergence compensating water device after a kind of secondary circuit accident |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206789311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530617A (en) * | 2020-11-10 | 2021-03-19 | 中广核工程有限公司 | Primary loop cooling method and device under power loss working condition of whole plant |
-
2017
- 2017-05-17 CN CN201720546963.0U patent/CN206789311U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530617A (en) * | 2020-11-10 | 2021-03-19 | 中广核工程有限公司 | Primary loop cooling method and device under power loss working condition of whole plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9312035B2 (en) | Semi-portable emergency cooling system for removing decay heat from a nuclear reactor | |
| CN104214506B (en) | A kind of Natural Gas Spherical displacement apparatus and method of replacing thereof | |
| CN204099897U (en) | A kind of Natural Gas Spherical displacement apparatus | |
| CN103413583B (en) | Emergency water injection system for nuclear power plant | |
| CN206789311U (en) | Emergence compensating water device after a kind of secondary circuit accident | |
| CN211600229U (en) | Direct filling system for hydrogen filling | |
| CN107630787B (en) | A kind of floating marine wind power generation plant with constant pressure liquid energy storage | |
| CN104458304A (en) | FPSO crude oil loading and unloading system testing device and joint testing method thereof | |
| CN206304262U (en) | A kind of foam tank extinguishing device | |
| CN207144064U (en) | A kind of water system stable-pressure device for having maintenance function concurrently | |
| CN212774713U (en) | Overspeed test device for steam-driven auxiliary water supply pump of nuclear power plant | |
| CN205751539U (en) | A kind of special non-kinetic safety equipment of nuclear power station | |
| CN202736508U (en) | Emergency water injection system of secondary side of nuclear power plant | |
| CN204661292U (en) | A kind of differential pressure type chemicals dosing plant and differential pressure medicine system | |
| CN104835543B (en) | A kind of nuclear power plant reactor coolant system injector testing system | |
| CN205483613U (en) | Large -scale power plant boiler hydrostatic test system | |
| CN105741887B (en) | The passive Reactor cavity flooding system and method for nuclear power station | |
| CN109273110A (en) | Fire-fighting system and its configuration method are used during a kind of npp safety shell bulge test | |
| CN204390751U (en) | A kind of nuclear power plant reactor coolant system injector testing system | |
| CN202546248U (en) | Liquefied natural gas box-type filling station | |
| CN205688497U (en) | A kind of new type roof fire water box carrying supercharging voltage stabilizing function | |
| CN106567696B (en) | Liquid-adding device | |
| CN205246285U (en) | Utilize liquid nitrogen pressure boost gasification to carry out equipment that gas tightness was inspected | |
| CN210831426U (en) | System for conveying gas-liquid mixture of natural gas well | |
| CN212900956U (en) | Emergency inflating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |