CN107221369A - One kind is used for nuclear power station underwater foreign matter suction method - Google Patents
One kind is used for nuclear power station underwater foreign matter suction method Download PDFInfo
- Publication number
- CN107221369A CN107221369A CN201710428547.5A CN201710428547A CN107221369A CN 107221369 A CN107221369 A CN 107221369A CN 201710428547 A CN201710428547 A CN 201710428547A CN 107221369 A CN107221369 A CN 107221369A
- Authority
- CN
- China
- Prior art keywords
- foreign matter
- suction
- screen pack
- power station
- nuclear power
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
-
- 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
It is used for nuclear power station underwater foreign matter suction method, including step the invention discloses one kind：Step 1) under the suction pump swabbing action being arranged in suction channel, suction channel is sucked foreign matter in reactor vessel and cooling water provided with suction opening by bottom；Step 2) foreign matter and cooling water be by aspirating the unlatching electrically operated valve that open top is provided with suction channel junction；Step 3) by opening the foreign matter and cooling water of electrically operated valve by the filter screen filtration that is arranged on below suction pump, cooling water is simultaneously touched above setting screen pack provided with touching switch closure by screen pack, foreign matter collision screen pack；Step 4) touching switch touches control electrically operated valve after closure and closes, foreign matter is blocked in the suction channel between the valve of screen pack and electrically operated valve (3).Whole removing method is easy to operation, is not knowing that particular location of the foreign matter in reactor vessel blind can also operate.
Description
Technical field
The present invention relates to a kind of nuclear equipment field, and in particular to one kind is used for nuclear power station underwater foreign matter suction method.
Background technology
Because connecting bolt nut and instrument error such as are dropped at the reason in ageing equipment, vibration, impact and maintenance process, instead
Core pressure vessel bottom is answered inevitably to have foreign matter generation.It was to take out reactor by wearing the diver of radiation proof diving suit in the past
Pressure vessel bottom foreign matter, cost is high and risk is big.
The content of the invention
The purpose of the present invention is to be to overcome prior art not enough, it is therefore intended that provide a kind of for nuclear power station underwater foreign matter
Suction method, when solving foreign matter occur in nuclear reactor vessel, it is impossible to the taking-up problem of safe and convenient.
The present invention is achieved through the following technical solutions：
One kind is used for nuclear power station underwater foreign matter suction method, it is characterised in that：Including step：
Step 1) under the suction pump swabbing action being arranged in suction channel, suction channel is spacious provided with suction by bottom
Mouth sucks foreign matter in reactor vessel and cooling water；
Step 2) foreign matter and cooling water be by aspirating the unlatching electrically operated valve that open top is provided with suction channel junction；
Step 3) by opening the foreign matter and cooling water of electrically operated valve by the filter screen filtration that is arranged on below suction pump, it is cold
But water is by screen pack, and foreign matter collision screen pack is simultaneously touched above setting screen pack provided with touching switch closure；
Step 4) touching switch touches control electrically operated valve after closure and closes, by foreign matter be blocked in screen pack with it is electronic
In suction channel between the valve of valve.
Further, in addition to step 5) suction channel upper end also set be connected with touching switch control siren, when touch
When touching switch and being touched closure, siren prompting operating personnel, which check whether, has been drawn to foreign matter.
Further, the water inlet of the suction pump and the open UNICOM of suction, the delivery port of the suction pump pass through row
Water pipe is guided into outside suction channel, and the touching switch control electrically operated valve is closed.
Further, the valve of the electrically operated valve uses network structure.
Further, the suction channel upper end is provided with controlling switch.
Further, the suction channel upper end is additionally provided with operating handle.
Further, the outlet of the drainpipe, which is set up, prevents current from driving foreign matter.
The present invention compared with prior art, has the following advantages and advantages：
It is of the invention a kind of for nuclear power station underwater foreign matter suction method, it is sequentially provided with filtering by being arranged in suction channel
Foreign matter, can be adsorbed onto on screen pack by net and suction pump by suction pump, and screen pack is provided with touching switch, when foreign matter touching
During to screen pack, touching switch closure can be touched one impulsive force of screen pack formation, and touching switch controls motor-driven valve again
Door closure, whole withdrawing device is simple in construction, is easy to operation, is not knowing that particular location of the foreign matter in reactor vessel also may be used
With blind operation.
Suction channel upper end also sets the siren that control is connected with touching switch, when touching switch is touched closure, alert
Report device prompting operating personnel, which check whether, has been drawn to foreign matter.
Another inventive point of the present invention is exactly that the valve of electrically operated valve uses network structure, by using the valve of network structure
Door, current will not be driven when electrically operated valve close, prevent that foreign matter from coming off screen pack, and the valve of use network structure, base
There is no flowing water resistance in sheet when closed, can be in foreign matter collision screen pack moment closure, so as to prevent foreign matter from escaping to netted knot
Outside the valve of structure, normal electrically operated valve contributes to the rate of flow of fluid that dams completely or control, and the present invention is just with its turn
Dynamic and control structure, relative to existing machinery crawl structure, by using network structure valve as preventing what foreign matter from missing
Structure, more convenient operation, foreign matter is difficult to miss.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is used for the structural representation of nuclear power station underwater foreign matter suction means for the present invention.
Fig. 2 is control structure principle schematic of the present invention；
Mark and corresponding parts title in accompanying drawing：
1- suction channels, 2- suctions are open, 3- electrically operated valves, 4- screen packs, 5- suction pumps, 6- touching switch, 7- water inlets
Mouthful, 8- delivery ports, 9- drainpipes, 10- valves, 11- controlling switches, 12- operating handles.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment
As shown in Figure 1-2, the present invention is a kind of is used for nuclear power station underwater foreign matter suction method, including step：
Step 1) under the swabbing action of suction pump 5 being arranged in suction channel 1, suction channel 1 is provided with by bottom and taken out
Opening 2 is inhaled to suck foreign matter in reactor vessel and cooling water；
Step 2) foreign matter and cooling water be by aspirating the unlatching motor-driven valve that open 2 top and the junction of suction channel 1 are provided with
Door 3；
Step 3) by opening the foreign matter and cooling water of electrically operated valve 3 by being arranged on the mistake of screen pack 4 of the lower section of suction pump 5
Filter, cooling water is by screen pack 4, and foreign matter collides screen pack 5 and touches setting screen pack 5 and closed above provided with touching switch 6；
Step 4) touching switch 6 touches control electrically operated valve 3 after closure and closes, by foreign matter be blocked in screen pack 5 with
In suction channel 1 between the valve 10 of electrically operated valve 3.
The suction channel 1 for including to stretch into reactor vessel for nuclear power station underwater foreign matter suction means, the suction
The bottom of pipeline 1 is provided with suction opening 2, and suction opening 2 is easy to be formed in the suction stream that draws water, suction opening 2 equivalent to horn mouth
Screen pack 4 is sequentially provided with the suction channel 1 that portion is provided with electrically operated valve 3, electrically operated valve 3 with the junction of suction channel 1 and is taken out
Water pump 5, the screen pack 5 is provided with touching switch 6 above, and the water inlet 7 of suction pump 5 is described to draw water with aspirating open 2 UNICOM
The delivery port 8 of pump 5 guides the outside of suction channel 1 into by drainpipe 9.The valve 10 of electrically operated valve 3 uses network structure.
The upper end of suction channel 1 is provided with controlling switch 11, controls suction pump 5 to start or close by controlling switch 11.Suction
The upper end of pipeline 1 is additionally provided with operating handle 12, foreign matter removal device can be operated to stretch into core by the operating personnel of operating handle 12
Moved in reactor vessel.The outlet of drainpipe 9, which is set up, prevents current from driving foreign matter.The upper end of suction channel 1 also set with
The siren of the connection control of touching switch 6, when touching switch 6 is touched closure, siren prompting operating personnel check whether
It has been drawn to foreign matter.
It is of the invention a kind of for nuclear power station underwater foreign matter suction method, it is sequentially provided with filtering by being arranged in suction channel
Foreign matter, can be adsorbed onto on screen pack by net and suction pump by suction pump, and screen pack is provided with touching switch, when foreign matter touching
During to screen pack, touching switch closure can be touched one impulsive force of screen pack formation, and touching switch controls motor-driven valve again
Door closure, whole withdrawing device is simple in construction, is easy to operation, is not knowing that particular location of the foreign matter in reactor vessel also may be used
With blind operation.
Suction channel upper end also sets the siren that control is connected with touching switch, when touching switch is touched closure, alert
Report device prompting operating personnel, which check whether, has been drawn to foreign matter.
Another inventive point of the present invention is exactly that the valve of electrically operated valve uses network structure, and normal electrically operated valve is contributed to
Dam completely or control rate of flow of fluid, and the present invention is captured just with its rotation and control structure relative to existing machinery
Structure, by using network structure valve as the structure for preventing foreign matter from missing, more convenient operation, foreign matter is difficult to miss.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (7)
1. one kind is used for nuclear power station underwater foreign matter suction method, it is characterised in that：Including step：
Step 1) under suction pump (5) swabbing action being arranged in suction channel (1), suction channel (1) is provided with by bottom
Suction open (2) sucks foreign matter in reactor vessel and cooling water；
Step 2) foreign matter and cooling water be by aspirating the unlatching motor-driven valve that open (2) top is provided with suction channel (1) junction
Door (3)；
Step 3) by opening the foreign matter and cooling water of electrically operated valve (3) by screen pack (4) mistake for being arranged on below suction pump (5)
Filter, cooling water simultaneously touches setting screen pack (5) above provided with touching switch by screen pack (4), foreign matter collision screen pack (5)
(6) close；
Step 4) touching switch (6) touches control electrically operated valve (3) after closure and closes, and foreign matter is blocked in into screen pack (5)
In suction channel (1) between the valve (10) of electrically operated valve (3).
2. it is according to claim 1 a kind of for nuclear power station underwater foreign matter suction method, it is characterised in that：Also include step
5) suction channel (1) upper end also sets the siren that control is connected with touching switch (6), when touching switch (6) is touched closure,
Siren prompting operating personnel, which check whether, has been drawn to foreign matter.
3. it is according to claim 1 a kind of for nuclear power station underwater foreign matter suction method, it is characterised in that：The suction pump
(5) water inlet (7) and open (2) UNICOM of suction, the delivery port (8) of the suction pump (5) is guided into by drainpipe (9) to be taken out
Outside suction pipe road (1), touching switch (6) the control electrically operated valve (3) is closed.
4. it is according to claim 1 a kind of for nuclear power station underwater foreign matter suction method, it is characterised in that：The motor-driven valve
The valve (10) of door (3) uses network structure.
5. it is according to claim 1 a kind of for nuclear power station underwater foreign matter suction method, it is characterised in that：The suction tube
Road (1) upper end is provided with controlling switch (11).
6. it is according to claim 1 a kind of for nuclear power station underwater foreign matter suction method, it is characterised in that：The suction tube
Road (1) upper end is additionally provided with operating handle (12).
7. it is according to claim 3 a kind of for nuclear power station underwater foreign matter suction method, it is characterised in that：The drainpipe
(9) outlet, which is set up, prevents current from driving foreign matter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428547.5A CN107221369B (en) | 2017-06-08 | 2017-06-08 | One kind being used for nuclear power station underwater foreign matter suction method |
| PCT/CN2017/109814 WO2018223595A1 (en) | 2017-06-08 | 2017-11-08 | Method for extracting underwater foreign matters for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428547.5A CN107221369B (en) | 2017-06-08 | 2017-06-08 | One kind being used for nuclear power station underwater foreign matter suction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107221369A true CN107221369A (en) | 2017-09-29 |
| CN107221369B CN107221369B (en) | 2019-06-04 |
Family
ID=59948449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710428547.5A Active CN107221369B (en) | 2017-06-08 | 2017-06-08 | One kind being used for nuclear power station underwater foreign matter suction method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107221369B (en) |
| WO (1) | WO2018223595A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223595A1 (en) * | 2017-06-08 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Method for extracting underwater foreign matters for nuclear power station |
| CN109003694A (en) * | 2018-08-15 | 2018-12-14 | 三门技师学院 | A kind of nuclear power station underwater foreign matter suction means |
| CN113643835A (en) * | 2021-08-13 | 2021-11-12 | 连云港金辰实业有限公司 | Underwater foreign matter suction device for nuclear power station |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD154184A3 (en) * | 1979-12-05 | 1982-03-03 | Dietmar Walter | PUMP DEVICE FOR EXTRACTING FRIENDLY BODIES FROM HETEROGENIC PRESSURE WATER REACTORS |
| US20080137795A1 (en) * | 2006-10-20 | 2008-06-12 | Electric Power Research Institute, Inc. | Method and apparatus for removing corrosion products from a nuclear reactor |
| WO2011104067A1 (en) * | 2010-02-26 | 2011-09-01 | Areva Np Gmbh | Device and method for removing foreign bodies from the bottom of a reactor pressure vessel |
| CN103551341A (en) * | 2013-10-30 | 2014-02-05 | 核动力运行研究所 | Underwater foreign matter fishing device |
| CN203950559U (en) * | 2014-06-05 | 2014-11-19 | 国核电站运行服务技术有限公司 | Nuclear power station underwater foreign matter suction means |
| CN106486177A (en) * | 2015-09-02 | 2017-03-08 | 中核核电运行管理有限公司 | One kind high radioactivity foreign body multifunctional ceiling extracting container and fishing process under water |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0301496D0 (en) * | 2003-01-23 | 2003-02-19 | G & K Valve Services Ltd | Sewerage overflow filtration apparatus |
| CN203060924U (en) * | 2012-11-13 | 2013-07-17 | 上海核工程研究设计院 | Single-cylinder submarine foreign matter trapping device |
| CN104051036A (en) * | 2014-06-05 | 2014-09-17 | 国核电站运行服务技术有限公司 | Nuclear power station underwater foreign matter suction apparatus |
| CN105697426B (en) * | 2016-01-28 | 2018-06-12 | 南京拜思特环保设备有限公司 | A kind of filter device of sewage Pump Suction Nozzle |
| CN107221369B (en) * | 2017-06-08 | 2019-06-04 | 安徽科创智慧知识产权服务有限公司 | One kind being used for nuclear power station underwater foreign matter suction method |
| CN107274943B (en) * | 2017-06-08 | 2019-06-07 | 安徽科创智慧知识产权服务有限公司 | Foreign matter system is discharged in a kind of reactor vessel with bending elongation function |
-
2017
- 2017-06-08 CN CN201710428547.5A patent/CN107221369B/en active Active
- 2017-11-08 WO PCT/CN2017/109814 patent/WO2018223595A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD154184A3 (en) * | 1979-12-05 | 1982-03-03 | Dietmar Walter | PUMP DEVICE FOR EXTRACTING FRIENDLY BODIES FROM HETEROGENIC PRESSURE WATER REACTORS |
| US20080137795A1 (en) * | 2006-10-20 | 2008-06-12 | Electric Power Research Institute, Inc. | Method and apparatus for removing corrosion products from a nuclear reactor |
| WO2011104067A1 (en) * | 2010-02-26 | 2011-09-01 | Areva Np Gmbh | Device and method for removing foreign bodies from the bottom of a reactor pressure vessel |
| CN103551341A (en) * | 2013-10-30 | 2014-02-05 | 核动力运行研究所 | Underwater foreign matter fishing device |
| CN203950559U (en) * | 2014-06-05 | 2014-11-19 | 国核电站运行服务技术有限公司 | Nuclear power station underwater foreign matter suction means |
| CN106486177A (en) * | 2015-09-02 | 2017-03-08 | 中核核电运行管理有限公司 | One kind high radioactivity foreign body multifunctional ceiling extracting container and fishing process under water |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223595A1 (en) * | 2017-06-08 | 2018-12-13 | 四川行之智汇知识产权运营有限公司 | Method for extracting underwater foreign matters for nuclear power station |
| CN109003694A (en) * | 2018-08-15 | 2018-12-14 | 三门技师学院 | A kind of nuclear power station underwater foreign matter suction means |
| CN113643835A (en) * | 2021-08-13 | 2021-11-12 | 连云港金辰实业有限公司 | Underwater foreign matter suction device for nuclear power station |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018223595A1 (en) | 2018-12-13 |
| CN107221369B (en) | 2019-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107221369A (en) | One kind is used for nuclear power station underwater foreign matter suction method | |
| CN209475713U (en) | Piping filter with water sealing structure | |
| CN204973142U (en) | Oil phase aqueous phase separator | |
| CN201305863Y (en) | Riverway-dredging vessel | |
| KR20140038713A (en) | Siphon facility having siphon operation initiating unit | |
| CN107403653A (en) | Foreign matter removal device in a kind of nuclear reactor vessel | |
| CN107274943A (en) | Discharge foreign matter system in a kind of reactor vessel with bending elongation function | |
| CN109555511A (en) | A kind of oil well desanding device based under pulsing jet technology and cyclonic separation mechanism | |
| CN107344033A (en) | A kind of filtering ponds of sewage disposal | |
| CN107966319A (en) | A kind of deep-well sampling of ground water harvester | |
| CN107970730A (en) | A kind of wet type magnalium dust intelligent dedusting system | |
| CN209923047U (en) | Jet aerator with high oxygen absorption rate | |
| CN209432814U (en) | It is layered water quality detecting device | |
| CN108999276B (en) | Sewage lifting means convenient to separation impurity | |
| CN214329153U (en) | Vacuum collection and discharge device | |
| CN103505917A (en) | Technology for solving blocking problem of sludge suction machine by utilizing air lift principle | |
| CN204900948U (en) | Air breaker | |
| CN205360726U (en) | Safe suction filter device that laboratory was used | |
| CN114542034A (en) | High-pressure injection screw pump for oilfield water injection | |
| CN210595236U (en) | Liquid pumping device | |
| CN207374282U (en) | Automobile hand washing sink control system | |
| CN207243447U (en) | A kind of vacuum drawing liquid frock | |
| CN207567907U (en) | Device for dragging dregs with filtering mesh bag and the Vatch basin for being equipped with the device for dragging dregs | |
| CN213506124U (en) | Swimming pool disinfecting equipment antiseptic solution drainage device | |
| CN205816352U (en) | A kind of petroleum pipeline dredger under adverse circumstances |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20171115 Address after: 236800 Bozhou Anhui Industrial Park East of West ring, north of Guanghua Road, south of Guangming West Road Applicant after: Anhui Kechuang wisdom intellectual property services Co. Ltd. Address before: 610000 Sichuan city of Chengdu province high tech Zone sub Road No. 88 2 10 storey building No. 1002 Applicant before: SICHUAN XINGZHI ZHIHUI INTELLECTUAL PROPERTY OPERATION CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |