CN206876361U - A kind of nuclear power station penetration piece valve leak diagnoses pressurizing device - Google Patents
A kind of nuclear power station penetration piece valve leak diagnoses pressurizing device Download PDFInfo
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- CN206876361U CN206876361U CN201720895787.1U CN201720895787U CN206876361U CN 206876361 U CN206876361 U CN 206876361U CN 201720895787 U CN201720895787 U CN 201720895787U CN 206876361 U CN206876361 U CN 206876361U
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Abstract
A kind of nuclear power station penetration piece valve leak diagnoses pressurizing device, including storage-type pressurising mechanism；Storage-type pressurising mechanism includes water tank (1), and water tank (1) bottom offers the first opening respectively, offers the 4th opening at the top of the water tank (1) respectively；The storage-type pressurising mechanism includes entrance and the first pipeline (2) of the first open communication, and the outlet of first pipeline (2) is provided with for the first quick socket (3) with being connected inside nuclear power station penetration piece；The first valve (17) is additionally provided with first pipeline (2)；Storage-type pressurising mechanism also includes outlet and the 3rd pipeline (4) of the 4th open communication, the entrance of 3rd pipeline (4) is provided with the second quick socket (5) for being connected with SAR/SAT compressed air sources, and the 4th valve (11) and first flow regulating valve (18) are also respectively provided with the 3rd pipeline (4)；Nuclear power station penetration piece valve leak diagnosis pressurizing device of the present utility model is ingenious in design, practical.
Description
Technical field
It the utility model is related to nuclear power generating equipment field, more particularly to a kind of nuclear power station penetration piece valve leak diagnosis pressurising dress
Put.
Background technology
Isolating valve seal tightness test is by by the system where experiment valve being isolated, making to be tested valve downstream
Airtight space, the fluid of certain pressure is filled with system using pressurizing device, by supporting flow measurement device to subject
Test valve and carry out leakage measuring instrumentation, and isolating valve sealing property is judged to leak result.Measuring method typically has two kinds, one kind be
The border of valve downstream carries out pressurising and leakage measuring instrumentation, such a method are all returned by valve on border and by experiment valve leak value
It is as a result too conservative in by the slip of experiment valve, but test period is short；Another kind be by the upstream pressurising of experiment valve,
Leakage measuring instrumentation is carried out by experiment valve downstream, as a result for by the leakage value of experiment valve, as a result accurately, but test period is grown.When
When being leaked by experiment valve downstream border, upstream boundary can not pressurize, two methods will be caused to use, due to this
When leakage belong to the interior leakage of system boundary valve or the leakage of valve packing leak-off connection line, personnel and quickly can not sentence from outside
Disconnected leakage point, particularly when system boundary valve is more, lookup is wasted time and energy.According further to pipe arrangement, by experiment valve
Arrangement form be also arranged in juxtaposition in the presence of two valves, two valves can only now be tested simultaneously, as result is unqualified, by nothing
It is which valve has problem that method, which judges,.In this case, applicant proposed one kind using thermal imaging system continuous observation into
Picture changes to judge the scheme of leak path；Based on the program, it is desirable to provide one kind can continue to inside by experiment penetration piece
It is filled with the pressurizing device of hot fluid.
Utility model content
The purpose of this utility model is to be directed to above-mentioned technical problem, proposes that a kind of nuclear power station penetration piece valve leak diagnosis is filled
Pressure device.
The technical scheme in the invention for solving the technical problem is：
The utility model proposes a kind of nuclear power station penetration piece valve leak to diagnose pressurizing device, including storage-type pressurising machine
Structure；Storage-type pressurising mechanism includes water tank, and the water storage pot bottom offers the first opening and the second opening, the water tank respectively
Top offers the 3rd opening, the 4th opening, the 5th opening and the 6th opening respectively；The storage-type pressurising mechanism include entrance with
First pipeline of the first open communication, the outlet of first pipeline are provided with for first with being connected inside nuclear power station penetration piece
Quick socket；The first valve for turning on or closing first pipeline is additionally provided with first pipeline；Storage-type pressurising mechanism
Also include second pipe of the both ends respectively with the second opening and the 3rd open communication, the second pipe is close to water storage pot bottom
The second valve for turning on or closing the second pipe is provided with pipeline section, the second pipe is in the pipe at the top of water tank
The 3rd valve for turning on or closing the second pipe is provided with section；It is provided with second pipe for measuring second pipe
In water level water-level gauge；Storage-type pressurising mechanism also includes outlet and the 3rd pipeline of the 4th open communication, the 3rd pipeline
Entrance be provided with the second quick socket for being connected with SAR/SAT compressed air sources, also set respectively on the 3rd pipeline
There are the 4th valve for turning on or closing the 3rd pipeline and the first flow for adjusting SAR/SAT compressed air requires
Regulating valve；Storage-type pressurising mechanism also includes outlet and the 4th pipeline of the 5th open communication, the entrance connection of the 4th pipeline
There is the 3rd quick socket for connecting the first water source, be provided with the 4th pipeline for turning on or closing the 4th pipeline
5th valve；Storage-type pressurising mechanism also includes entrance and the 5th pipeline of the 6th open communication, and the outlet of the 5th pipeline is set
The 4th quick socket for connecting pressure relief devices is equipped with, is provided with the 5th pipeline for turning on or closing the 5th pipeline
The 6th valve；The first electric heater and the first temperature controller for sensing water temperature in water tank are additionally provided with water tank；Storage
The pressure gauge for detecting water tank air pressure inside is additionally provided with water pot.
In the above-mentioned nuclear power station penetration piece valve leak diagnosis pressurizing device of the utility model, water storage pot bottom is further opened with
7th opening, storage-type pressurising mechanism also include entrance and the 7th open communication, for by the 6th of the water discharge in water tank the
Pipeline；The 7th valve for turning on or closing the 6th pipeline is provided with 6th pipeline.
In the above-mentioned nuclear power station penetration piece valve leak diagnosis pressurizing device of the utility model, storage-type pressurising mechanism is also wrapped
The 7th pipeline connected with second pipe is included, the 8th valve for the water in second pipe to be discharged is provided with the 7th pipeline
Door.
In the above-mentioned nuclear power station penetration piece valve leak diagnosis pressurizing device of the utility model, storage-type pressurising mechanism is also wrapped
Include the dolly for movable water storage tank；The dolly include be obliquely installed, the supporting plate for supporting water tank, be vertically arranged and with
The support bar of supporting plate connection and one end are connected with support bar, the other end is vertically connected at the hound of supporting plate；Dolly is also
Including being arranged at least two first movable pulleies of supporting plate bottom, and it is arranged on the second movable pulley of support bar bottom.
In the above-mentioned nuclear power station penetration piece valve leak diagnosis pressurizing device of the utility model, in addition to Instant heating type pressurising machine
Structure；Instant heating type pressurising mechanism includes the interior Instant heating type module for being provided with the second electric heater, and entrance connects with Instant heating type module outlet
The 8th pipeline, export the 9th pipeline that is connected with Instant heating type module inlet；The outlet of 8th pipeline, which is provided with, to be used for and nuclear power
Stand the 5th quick socket of connection inside penetration piece, be provided with the 8th pipeline for turn on or close the 8th pipeline the 9th
Valve；The entrance of 9th pipeline is provided with the 6th quick socket for being connected with SED/REA water sources, is set respectively on the 9th pipeline
It is equipped with the tenth valve for turning on or closing the 9th pipeline and the second flow for adjusting SED/REA water-carrying capacity is adjusted
Valve；Instant heating type pressurising mechanism also includes being used for the second temperature controller for sensing Instant heating type inside modules water temperature.
Nuclear power station penetration piece valve leak of the present utility model diagnoses pressurizing device by storage-type pressurising mechanism, with it
Fluid inside water tank is heated to design temperature by the first electric heater and the first temperature controller that portion carries, and passes through first flow
Valve regulation supply gas pressure is adjusted, so as to which the water in jar to be filled with to the nuclear power station penetration piece tested, suitable for the core tested
The less situation of power station penetration piece leakage rate, and storage-type pressurising mechanism can also fill separately as the pressurising of containment isolating valve
Put and used in normal assays.The utility model is also by by the way that storage-type pressurising mechanism and Instant heating type pressurising Mechanism Combination are made
With, can by compressed air adjust into penetration piece Fluid pressure, by adjusting SED/REA water-carrying capacity, and water tank
Heating and heat insulation effect, the hot fluid of larger flow under sustainable supply certain pressure, suitable for pressure is required and by
The penetration piece of experiment leaks larger operating mode.Nuclear power station penetration piece valve leak diagnosis pressurizing device design of the present utility model is skilful
It is wonderful, it is practical.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 shows the water storage of the nuclear power station penetration piece valve leak diagnosis pressurizing device of the utility model first embodiment
The schematic diagram of formula pressurising mechanism；
Fig. 2 shows the structural representation of the storage-type pressurising mechanism shown in Fig. 1；
Fig. 3 shows the schematic diagram of the other direction of the storage-type pressurising mechanism shown in Fig. 1；
Fig. 4 show A in Fig. 3 to schematic diagram；
Fig. 5 shows that nuclear power station penetration piece valve leak diagnosis the Instant heating type of pressurizing device of second embodiment of the invention is filled
The schematic diagram of press mechanism；
Fig. 6 shows the structural representation of the Instant heating type pressurising mechanism shown in Fig. 5；
Fig. 7 shows the schematic diagram of the other direction of the Instant heating type pressurising mechanism shown in Fig. 6.
Embodiment
Technical problem to be solved in the utility model is：Thermal imaging system continuous observation imaging change is being used to judge to let out
In the scheme of leakage approach, it is desirable to provide a kind of pressurizing device that can continue to be filled with hot fluid to inside by experiment penetration piece.This
The technical thought that utility model proposes with regard to the technical problem is：Using water heater principle of heating and way of supplying water, propose a kind of
Nuclear power station penetration piece valve leak diagnoses pressurizing device.
In order that technical purpose of the present utility model, technical scheme and technique effect are apparent, in order to this area
Technical staff understands and implemented the utility model, the utility model is done below in conjunction with the accompanying drawings and the specific embodiments further in detail
Thin explanation.
First embodiment
As Figure 1-Figure 4, Fig. 1 shows the nuclear power station penetration piece valve leak diagnosis of the utility model first embodiment
The schematic diagram of the storage-type pressurising mechanism of pressurizing device；Fig. 2 shows the structural representation of the storage-type pressurising mechanism shown in Fig. 1
Figure；Fig. 3 shows the schematic diagram of the other direction of the storage-type pressurising mechanism shown in Fig. 1；Fig. 4 show A in Fig. 3 to signal
Figure.The storage-type pressurising mechanism includes water tank 1, and the bottom of water tank 1 offers the first opening and the second opening, the storage respectively
The top of water pot 1 offers the 3rd opening, the 4th opening, the 5th opening and the 6th opening respectively；The storage-type pressurising mechanism includes
First pipeline 2 of entrance and the first open communication, the outlet of first pipeline 2 are provided with for connecting inside nuclear power station penetration piece
The first logical quick socket 3；The first valve 17 for turning on or closing first pipeline 2 is additionally provided with first pipeline 2；Storage
Ability of swimming pressurising mechanism also includes second pipe 10 of the both ends respectively with the second opening and the 3rd open communication, and the second pipe 10 exists
The second valve 14 for turning on or closing the second pipe 10 is provided with the pipeline section of the bottom of water tank 1, second pipe
Road 10 is provided with the 3rd valve 13 for turning on or closing the second pipe 10 on the pipeline section close to the top of water tank 1；The
The water-level gauge for measuring the water level in second pipe 10 is provided with two pipelines 10；Storage-type pressurising mechanism also include outlet with
3rd pipeline 4 of the 4th open communication, the entrance of the 3rd pipeline 4 are provided with for being connected with SAR/SAT compressed air sources
Second quick socket 5, the 4th valve 11 for turning on or closing the 3rd pipeline 4 is also respectively provided with the 3rd pipeline 4
And for adjusting the first flow regulating valve 18 of SAR/SAT compressed air requires；Storage-type pressurising mechanism also include outlet with
4th pipeline 6 of the 5th open communication, the entrance of the 4th pipeline 6 are connected with the 3rd quick socket for connecting the first water source
7, the 5th valve 19 for turning on or closing the 4th pipeline 6 is provided with the 4th pipeline 6；Storage-type pressurising mechanism is also wrapped
Include entrance and the 5th pipeline 8 of the 6th open communication, the outlet of the 5th pipeline 8 be provided with for connect pressure relief devices the 4th
Quick socket 9, the 6th valve 12 for turning on or closing the 5th pipeline 8 is provided with the 5th pipeline 8；In water tank 1
It is additionally provided with the first electric heater 20 and the first temperature controller 30 for sensing water temperature in water tank 1；It is additionally provided with water tank 1
For detecting the pressure gauge 21 of the air pressure inside of water tank 1.Herein, when the second valve 14 and the 3rd valve 13 are both turned on, the
Two pipelines 10 form linker with water tank 1, by observing the water level of water-level gauge on second pipe 10, it is known that water tank 1
In water level.When in use, first, the 5th valve 19 is turned on, water-filling is carried out to water tank 1, water tank 1 is confirmed by water-level gauge
In water level reach predetermined water level；Then, the 5th valve 19 is closed；Start the first electric heater 20, and pass through the first temperature controller
By the water temperature heating inside water tank 1 to predetermined temperature；When water temperature reaches predetermined temperature, by the second quick socket 5 and SAR/
SAT compressed air sources connect, and then, turn on the 4th valve 11, and adjust the aperture of first flow regulating valve 18, and pass through monitoring
Pressure gauge 21, the air pressure inside of water tank 1 is arranged to preset air pressure and (when such as the air pressure inside of water tank 1 exceedes preset air pressure, then led to
The 6th valve 12 of conducting is crossed to realize release purpose)；Finally, by the first quick socket 3 with being connected inside nuclear power station penetration piece, and
The first valve 17 is turned on, so as to which the hot water inside water tank 1 is filled with inside nuclear power station penetration piece；Treat after a period of stabilisation,
It can be imaged and changed by using Portable thermal imager continuous observation, judge leak path.
Further, in the present embodiment, the bottom of water tank 1 is further opened with the 7th opening, and storage-type pressurising mechanism is also wrapped
Entrance and the 6th pipeline 22 of the 7th open communication are included, is provided with the 6th pipeline 22 for turning on or closing the 6th pipeline
22 the 7th valve 16.When the 7th valve 16 turns on, the water in water tank 1 can be discharged by the 6th pipeline 22.
Further, storage-type pressurising mechanism also includes the 7th pipeline 23 connected with second pipe 10, the 7th pipeline
The 8th valve 15 for the water in second pipe 10 to be discharged is provided with 23.
Further, as shown in Fig. 2 in order to realize quick movable water storage formula pressurising mechanism, to facilitate nuclear power station penetration piece
The needs of valve leak diagnosis, in the present embodiment, storage-type pressurising mechanism also include the dolly 24 for movable water storage tank 1；
The dolly 24 is including being obliquely installed, the supporting plate 25 for supporting water tank 1, the support for being vertically arranged and being connected with supporting plate 25
Bar 26 and one end are connected with support bar 26, the other end is vertically connected at the hound 27 of supporting plate 25；Dolly 24 also includes setting
At least two first movable pulleies 28 in the bottom of supporting plate 25 are put, and are arranged on the second movable pulley 29 of the bottom of support bar 26.
In the present embodiment, storage-type pressurising mechanism can diagnose pressurising dress separately as nuclear power station penetration piece valve leak
Use is put, the fluid inside water tank is heated to setting temperature by the first electric heater and the first temperature controller carried by inside
Degree, valve regulation supply gas pressure is adjusted by first flow, so as to which the water in jar to be filled with to the nuclear power station penetration piece tested, fitted
For the less situation of nuclear power station penetration piece leakage rate tested, and storage-type pressurising mechanism can also be separately as containment
The pressurizing device of isolating valve uses in normal assays.
Second embodiment
As illustrated in figs. 5-7, Fig. 5 shows the nuclear power station penetration piece valve leak diagnosis pressurising dress of second embodiment of the invention
The schematic diagram for the Instant heating type pressurising mechanism put.Fig. 6 shows the structural representation of the Instant heating type pressurising mechanism shown in Fig. 5；Fig. 7 shows
The schematic diagram of the other direction of the Instant heating type pressurising mechanism shown in Fig. 6 is gone out.In the present embodiment, nuclear power station penetration piece valve is let out
Disconnected pressurizing device is failed to pinpoint a disease in diagnosis not only including storage-type pressurising mechanism as in the first embodiment, in addition to Instant heating type pressurising mechanism.
Instant heating type pressurising mechanism includes the interior Instant heating type module 32 for being provided with the second electric heater 31, and entrance connects with the outlet of Instant heating type module 32
The 8th logical pipeline 33, export the 9th pipeline 34 connected with the Instant heating type entrance of module 32；The outlet of 8th pipeline 33 is provided with
For the 5th quick socket 35 with being connected inside nuclear power station penetration piece, it is provided with the 8th pipeline 33 for turning on or closing this
9th valve 36 of the 8th pipeline 33；The entrance of 9th pipeline 34 is provided with the 6th quick for what is connected with SED/REA water sources
Socket 37, the tenth valve 38 of the 9th pipeline 34 is separately provided for turning on or closed and for adjusting on the 9th pipeline 34
Save the second flow regulating valve 39 of SED/REA water-carrying capacity；Instant heating type pressurising mechanism also includes being used to sense in Instant heating type module 32
Second temperature controller 40 of portion's water temperature.When in use, the 6th quick socket 37 is connected with SED/REA water sources, opens the 9th valve
36, and the 5th quick socket 35 is connected to using flexible pipe one end, other end connection penetration piece, the tenth valve 38 is opened, and pass through
The regulating water flow of second flow regulating valve 39, make water-filling in Instant heating type module 32；Restart the second electric heater 31, and set and be
The outlet temperature of hot type module 32, continued with realizing to penetration piece private water supply；Reuse thermal imaging system continuous observation thermal imaging
Change, so as to judge leak path.
In the present embodiment, by the way that storage-type pressurising mechanism and Instant heating type pressurising Mechanism Combination are used, pressure can be passed through
Contracting air adjustment enters the Fluid pressure of penetration piece, by adjusting SED/REA water-carrying capacity, and heating and the insulation effect of water tank
Fruit, the hot fluid of larger flow, lets out suitable for the penetration piece for requiring and being tested to pressure under sustainable supply certain pressure
Leak larger operating mode.
3rd embodiment
In the present embodiment, nuclear power station penetration piece valve leak diagnosis pressurizing device only has as described in second embodiment
Instant heating type pressurising mechanism.
In the present embodiment, when Instant heating type pressurising mechanism is used alone, the pressure of water system can be used, passes through second
Flow control valve 39 carries out Flow-rate adjustment, fluid is heated into design temperature immediately by the second temperature controller 40 carried, and fill
Enter in the penetration piece tested, suitable for the situation that the penetration piece leakage rate tested is larger；However, because pressure of supply water can not be adjusted
It is whole, used when the present embodiment is only applicable to leakage during fault diagnosis.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (5)
1. a kind of nuclear power station penetration piece valve leak diagnoses pressurizing device, it is characterised in that including storage-type pressurising mechanism；Water storage
Formula pressurising mechanism includes water tank (1), and water tank (1) bottom offers the first opening and the second opening, the water tank respectively
(1) top offers the 3rd opening, the 4th opening, the 5th opening and the 6th opening respectively；The storage-type pressurising mechanism include into
Mouthful with the first pipeline (2) of the first open communication, the outlet of first pipeline (2) be provided be used for inside nuclear power station penetration piece
The first quick socket (3) of connection；It is additionally provided with first pipeline (2) for turning on or closing the first of first pipeline (2)
Valve (17)；Storage-type pressurising mechanism also includes second pipe (10) of the both ends respectively with the second opening and the 3rd open communication,
The second pipe (10) is provided with the pipeline section close to water tank (1) bottom for turning on or closing the second pipe (10)
Second valve (14), the second pipe (10) are being provided with for turning on or closing this on the pipeline section at the top of water tank (1)
3rd valve (13) of second pipe (10)；It is provided with second pipe (10) for measuring the water level in second pipe (10)
Water-level gauge；Storage-type pressurising mechanism also includes outlet and the 3rd pipeline (4) of the 4th open communication, and the 3rd pipeline (4) enter
Mouth is provided with the second quick socket (5) for being connected with SAR/SAT compressed air sources, is also set respectively on the 3rd pipeline (4)
It is equipped with for turning on or closing the 4th valve (11) of the 3rd pipeline (4) and for adjusting SAR/SAT compressed air requires
First flow regulating valve (18)；Storage-type pressurising mechanism also includes outlet and the 4th pipeline (6) of the 5th open communication, and this
The entrance of four pipelines (6) is connected with the 3rd quick socket (7) for connecting the first water source, is provided with the 4th pipeline (6)
For turning on or closing the 5th valve (19) of the 4th pipeline (6)；Storage-type pressurising mechanism also includes entrance and the 6th opening
5th pipeline (8) of connection, the outlet of the 5th pipeline (8) are provided with the 4th quick socket (9) for connecting pressure relief devices,
The 6th valve (12) for turning on or closing the 5th pipeline (8) is provided with 5th pipeline (8)；In water tank (1) also
It is provided with the first electric heater (20) and the first temperature controller (30) for sensing water temperature in water tank (1)；On water tank (1) also
It is provided with the pressure gauge (21) for detecting water tank (1) air pressure inside.
2. nuclear power station penetration piece valve leak according to claim 1 diagnoses pressurizing device, it is characterised in that water tank
(1) bottom is further opened with the 7th opening, and storage-type pressurising mechanism also includes entrance and the 7th open communication, for by water tank
(1) the 6th pipeline (22) of the water discharge in；It is provided with 6th pipeline (22) for turning on or closing the 6th pipeline
(22) the 7th valve (16).
3. nuclear power station penetration piece valve leak according to claim 1 diagnoses pressurizing device, it is characterised in that storage-type fills
Press mechanism also includes the 7th pipeline (23) connected with second pipe (10), is provided with and is used for second on the 7th pipeline (23)
8th valve (15) of the water discharge in pipeline (10).
4. nuclear power station penetration piece valve leak according to claim 1 diagnoses pressurizing device, it is characterised in that storage-type fills
Press mechanism also includes the dolly (24) for movable water storage tank (1)；The dolly (24) includes being obliquely installed, for supporting water tank
(1) supporting plate (25), is vertically arranged and the support bar (26) being connected with supporting plate (25) and one end connect with support bar (26)
Connect, the other end is vertically connected at the hounds (27) of supporting plate (25)；Dolly (24) also includes being arranged on supporting plate (25) bottom
At least two first movable pulleies (28), and be arranged on second movable pulley (29) of support bar (26) bottom.
5. nuclear power station penetration piece valve leak according to claim 1 diagnoses pressurizing device, it is characterised in that also includes i.e.
Hot type pressurising mechanism；Instant heating type pressurising mechanism includes the interior Instant heating type module (32) for being provided with the second electric heater (31), entrance with
8th pipeline (33) of Instant heating type module (32) outlet, export the 9th pipeline connected with Instant heating type module (32) entrance
(34)；The outlet of 8th pipeline (33) is provided with for the 5th quick socket (35) with being connected inside nuclear power station penetration piece, the
The 9th valve (36) for turning on or closing the 8th pipeline (33) is provided with eight pipelines (33)；9th pipeline (34) enter
Mouth is provided with the 6th quick socket (37) for being connected with SED/REA water sources, is separately provided on the 9th pipeline (34)
The tenth valve (38) and the second flow for adjusting SED/REA water-carrying capacity for turning on or closing the 9th pipeline (34) are adjusted
Valve (39)；Instant heating type pressurising mechanism also includes being used for the second temperature controller (40) for sensing Instant heating type module (32) water temperature inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895787.1U CN206876361U (en) | 2017-07-18 | 2017-07-18 | A kind of nuclear power station penetration piece valve leak diagnoses pressurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720895787.1U CN206876361U (en) | 2017-07-18 | 2017-07-18 | A kind of nuclear power station penetration piece valve leak diagnoses pressurizing device |
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| Publication Number | Publication Date |
|---|---|
| CN206876361U true CN206876361U (en) | 2018-01-12 |
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ID=61329389
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| CN201720895787.1U Active CN206876361U (en) | 2017-07-18 | 2017-07-18 | A kind of nuclear power station penetration piece valve leak diagnoses pressurizing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577413A (en) * | 2022-03-04 | 2022-06-03 | 中广核核电运营有限公司 | Isolation valve sealing test device |
| CN115077817A (en) * | 2021-03-12 | 2022-09-20 | 中核核电运行管理有限公司 | Nuclear power plant gate valve middle cavity tightness test tool and test method |
| CN117168585A (en) * | 2023-11-03 | 2023-12-05 | 福建福清核电有限公司 | Online verification device and method for liquid level switch of auxiliary water supply tank |
-
2017
- 2017-07-18 CN CN201720895787.1U patent/CN206876361U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115077817A (en) * | 2021-03-12 | 2022-09-20 | 中核核电运行管理有限公司 | Nuclear power plant gate valve middle cavity tightness test tool and test method |
| CN114577413A (en) * | 2022-03-04 | 2022-06-03 | 中广核核电运营有限公司 | Isolation valve sealing test device |
| CN114577413B (en) * | 2022-03-04 | 2023-10-24 | 中广核核电运营有限公司 | Isolation valve tightness test device |
| CN117168585A (en) * | 2023-11-03 | 2023-12-05 | 福建福清核电有限公司 | Online verification device and method for liquid level switch of auxiliary water supply tank |
| CN117168585B (en) * | 2023-11-03 | 2024-02-13 | 福建福清核电有限公司 | Online verification device and method for liquid level switch of auxiliary water supply tank |
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