CN108735312A - A kind of nuclear power station underwater foreign matter collects transfer device and its installation method - Google Patents
A kind of nuclear power station underwater foreign matter collects transfer device and its installation method Download PDFInfo
- Publication number
- CN108735312A CN108735312A CN201810474161.2A CN201810474161A CN108735312A CN 108735312 A CN108735312 A CN 108735312A CN 201810474161 A CN201810474161 A CN 201810474161A CN 108735312 A CN108735312 A CN 108735312A
- Authority
- CN
- China
- Prior art keywords
- babinet
- foreign matter
- pedestal
- filter core
- nuclear power
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- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 title claims abstract description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/003—Remote inspection of vessels, e.g. pressure vessels
- G21C17/013—Inspection vehicles
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention belongs to nuclear power station apparatus for examination and repair technical fields, and in particular to and a kind of nuclear power station underwater foreign matter collects transfer device and its installation method, including：Babinet, pedestal, drawing handle, brake and wheel are additionally provided in middle case：End plug and filter core, the babinet both sides are provided with lifting lug fixing buckle, and babinet upper weld has horn mouth, lower box to be provided with bolt；Base upper surface left and right ends are provided with pedestal fixing buckle and chain junction button, are connected by chain junction button between the pedestal fixing buckle and lifting lug fixing buckle, and pedestal lower part both sides are each provided with drawing handle and brake, and base bottom is provided with wheel.The present invention is used to solve the technical issues of nuclear power station underwater foreign matter is collected, the hardly possible in transport process is collected, high irradiation, ensures operating personnel's irradiation safety.
Description
Technical field
The invention belongs to nuclear power station apparatus for examination and repair technical fields, and in particular to a kind of nuclear power station underwater foreign matter collection transhipment dress
It sets and its installation method.
Background technology
During nuclear power generating sets planned outage, since the regions such as reactor, Spent Fuel Pool and in-pile component inspection shaft are
Open state, reload in development, overhaul, the activity such as inservice inspection when, it may occur that foreign matter falls into event.Once foreign matter enters one time
In road or fuel pit, fuel assembly may be caused to damage, the harm to unit is catastrophic, therefore, it is necessary to foreign matter into
Row is removed.
In nuclear power station, primary Ioops water quality by activate, corrosion product is influenced, dosage level is higher, and foreign matter removing can only fill
Remote operation under water environment.Common foreign matter, which removes method, gripping method, absorption method, adhesion method etc., wherein the operation of the method for absorption
It is relatively easy, positioning accuracy request is low and is widely used, operation principle be by means of pump under the action of flow by foreign matter
It is adsorbed on strainer, foreign matter is transferred to the operating for stopping pump behind designated position or foreign matter is spued by the reversion of pump.
While removing foreign matter using the method for absorption, the contaminant particles in water can be drawn together, and these contaminant particles
Dosage level is up to Sv grades, very big to harm caused by personnel's irradiation, needs to take necessary screen in collecting transport process
Measure is covered to ensure operating personnel's safety.
Therefore, there is an urgent need for designing a kind of special collection transfer device, to ensure that nuclear power station underwater foreign matter is collected, in transport process
Safety, reduce absorption method remove foreign matter existing for risk, facilitate execute-in-place.
Invention content
Purpose of the present invention is to provide a kind of nuclear power station underwater foreign matter collection transfer device in view of the above shortcomings of the prior art
And its installation method, for solving the difficult collection in the collection of nuclear power station underwater foreign matter, transport process, high the technical issues of irradiating,
Ensure that operating personnel irradiates safety.
The technical scheme is that：
A kind of nuclear power station underwater foreign matter collection transfer device, including：Babinet, pedestal, drawing handle, brake and wheel,
It is additionally provided in middle case：End plug and filter core, the babinet both sides are provided with lifting lug fixing buckle, and babinet upper weld has loudspeaker
Mouthful, lower box is provided with bolt；Base upper surface left and right ends are provided with pedestal fixing buckle and chain junction button, the pedestal
It is connected by chain junction button between fixing buckle and lifting lug fixing buckle, pedestal lower part both sides are each provided with drawing handle and brake
Vehicle, base bottom are provided with wheel.
There are two mounting hole, the lifting lug fixing buckle quantity is two for setting on lifting lug fixing buckle as described above.
Babinet as described above is the rectangular parallelepiped structure penetrated through above and below, and there are two bolt through-holes for lower box setting, for inserting
Pin is horizontal through babinet and lock onto on babinet.
End plug and filter core as described above are cylindrical structure, and end plug carries handle.
The quantity of chain junction button as described above is four.
Bell-mouthed beginning size dimension as described above matches with underwater foreign matter suction means connection size.
A kind of nuclear power station underwater foreign matter collects the installation method of transfer device as described above, includes the following steps：
Step 1：End plug is taken out from babinet, checks that bolt is in the state of fastening, is put into filter core, and releases chain company
The connection of buckle and lifting lug fixing buckle, makes babinet be detached with pedestal.
Step 2：By means of crane, babinet is lifted to underwater foreign matter by the mounting hole being arranged on lifting lug fixing buckle and is received
Collect region, the babinet storage area of base upper surface is adaptively adjusted by drawing handle and wheel, after adjustment
Use brake firm banking.
Step 3：It after underwater suction means suction of foreign body, is observed by means of underwater camera, underwater suction means is turned
It moves to above babinet placement region, the suction line of underwater suction means is inserted by the horn mouth on babinet in the filter core in babinet
The pump of suction means is stopped or is set as reversing mode by portion, and the foreign matter of absorption is fallen into or recoiled in the filter core being washed till in babinet,
Complete the collection of foreign matter.
Step 4：By means of crane, babinet is left the water together with filter core, is kept for a period of time, it is residual in empty dry filter core
Water, is hoisted to base upper surface babinet storage area, and after babinet and pedestal are attached by chain junction button, covers end
Plug.
Step 5：It is transported to specified workshop, bolt is released and locks and fasten cord, release chain junction button and lifting lug
The connection of fixing buckle, by means of crane, for handling babinet to filter core collection vessel top, operating personnel are thin on bolt by lying in
Remote operation of restricting extracts bolt, and filter core falls in the effect of gravity in final filter core collection vessel, and by babinet and pedestal
Restore combination, completes foreign matter collection, transhipment, launch process.
The beneficial effects of the invention are as follows：
1. the foreign matter collection transfer device that the present invention designs, is made of pedestal, babinet, filter core, end plug, by live real
It tramples, disclosure satisfy that underwater foreign matter clear operation requirement, and facilitate lifting, easy to operate；
2. the foreign matter collection transfer device that the present invention designs is supported by stainless steel mechanism, certain thickness lead layer is embedded,
With good shield effectiveness, dosage level is reduced to 10 from Sv grades-3Sv grades, greatly reduce staff's exposure dosage；
3. the foreign matter collection transfer device that the present invention designs, babinet are communicating structure, filter core is placed in centre, passes through bolt branch
Support be fixed on babinet, collect foreign matter simultaneously may filter that extra water, meanwhile, by remote withdrawing bolt, it can be achieved that
Filter core is launched, and has ensured safe operation；
4. the foreign matter collection transfer device weight that the present invention designs is up to 2t, crane must be used in operation, on babinet
End " horn mouth " is designed, and has preferable guiding role, can be facilitated and be docked with suction means, improve the convenience of operation；
5. the foreign matter collection transfer device that the present invention designs, pedestal, end plug are equally shielding materials, shielding nothing is fully ensured that
Dead angle.It is connected by chain junction button between pedestal and babinet, structure is firm.
Description of the drawings
Fig. 1 is the foreign matter collection transfer device side assembling schematic diagram designed by the present invention；
Fig. 2 is that foreign matter collection transfer device of the present invention overlooks assembling schematic diagram；
Fig. 3 is foreign matter collection transfer device babinet schematic cross-section of the present invention
In figure：1- end plugs；2- lifting lug fixing buckles；3- chain junction buttons；4- filter cores；5- babinets；6- pedestal fixing buckles；7- is inserted
Pin；8- drawing handles；9- pedestals；10- brakes；11- wheels；12- horn mouths.
Specific implementation mode
The technology of the present invention is described further below：
As shown in Figs. 1-3, a kind of nuclear power station underwater foreign matter collects transfer device and its installation method, including：Babinet 5, bottom
Seat 9, drawing handle 8, brake 10 and wheel 11, is additionally provided in middle case 5：End plug 1 and filter core 4,5 both sides of the babinet are set
It is equipped with lifting lug fixing buckle 2,5 upper weld of babinet has horn mouth 12,5 lower part of babinet to be provided with bolt 7；9 upper surface of pedestal or so
It is provided at both ends with pedestal fixing buckle 6 and chain junction button 3, is connected by chain between the pedestal fixing buckle 6 and lifting lug fixing buckle 2
Buckle 3 connects, and 9 lower part both sides of the pedestal are each provided with drawing handle 8 and brake 10, and 9 bottom of pedestal is provided with wheel 11.
There are two mounting hole, 2 quantity of lifting lug fixing buckle is two for setting on the lifting lug fixing buckle 2.
The babinet 5 is the rectangular parallelepiped structure penetrated through above and below, and there are two bolt through-holes for the setting of 5 lower part of babinet, are used for bolt
7 horizontal through babinet 5, and lock onto on babinet 5, is supported and fixed on babinet 5 by bolt 7, simultaneously can mistake collecting foreign matter
Extra water is filtered, meanwhile, by remote withdrawing bolt 7, it can be achieved that filter core 4 is launched, ensure safe operation.
The end plug 1 and filter core 4 are cylindrical structure, and end plug 1 carries handle.
The quantity of the chain junction button 3 is four.
The beginning size dimension of the horn mouth 12 matches with underwater foreign matter suction means connection size, and has and water
Guide function when lower foreign matter suction means long range dock.
Embodiment：The specific installation method of apparatus of the present invention is as follows：
Step 1：End plug 1 is taken out from babinet 5, is checked that bolt 7 is in the state of fastening, is put into filter core 4, and release chain
The connection of junction button 3 and lifting lug fixing buckle 2, makes babinet 5 be detached with pedestal 9.
Step 2：By means of crane, babinet 5 is lifted to underwater foreign matter by the mounting hole being arranged on lifting lug fixing buckle 2
Collecting zone, and the babinet storage area of 9 upper surface of pedestal can be adaptively adjusted by drawing handle 8 and wheel 11,
10 firm bankings 9 of brake can be used after adjustment.
Step 3：It after underwater suction means suction of foreign body, is observed by means of underwater camera, underwater suction means is turned
It moves to above 5 placement region of babinet, the suction line of underwater suction means is inserted by the horn mouth 12 on babinet 5 in babinet 5
Inside filter core 4, the pump of suction means is stopped or is set as reversing mode, the foreign matter of absorption, which falls into or recoils, to be washed till in babinet 5
Filter core 4 in, complete the collection of foreign matter.
Step 4：By means of crane, babinet 5 is left the water together with filter core 4, kept for a period of time, in empty dry filter core 4
Residual water is hoisted to 9 upper surface babinet storage area of pedestal, and babinet 5 is attached with pedestal 9 by chain junction button 3
Afterwards, end plug 1 is covered.
Step 5：It is transported to specified workshop, bolt 7 is released and locks and fasten cord, release chain junction button 3 and hang
The connection of ear fixing buckle 2, by means of crane, handling babinet 5 is to 4 collection vessel of filter core top, and operating personnel are by lying in bolt 7
On cord remote operation extract bolt 7, filter core 4 falls in the effect of gravity in final filter core collection vessel, and by case
Body 5 and pedestal 9 restore combination, are finally completed from foreign matter collection, are transported to the whole process of dispensing.
The present invention is explained in detail above in conjunction with embodiment, but the present invention is not limited to above-described embodiments, at this
Field those of ordinary skill within the scope of knowledge, can also make various changes without departing from the purpose of the present invention
Change.The prior art may be used in the content not being described in detail in the present invention.
Claims (7)
1. a kind of nuclear power station underwater foreign matter collects transfer device, it is characterised in that：Including：Babinet (5), pedestal (9), drawing handle
(8), brake (10) and wheel (11), is additionally provided in middle case (5)：End plug (1) and filter core (4), babinet (5) both sides
It is provided with lifting lug fixing buckle (2), babinet (5) upper weld has horn mouth (12), babinet (5) lower part to be provided with bolt (7)；Pedestal
(9) upper surface left and right ends are provided with pedestal fixing buckle (6) and chain junction button (3), and the pedestal fixing buckle (6) is solid with lifting lug
It is connected by chain junction button (3) between fixed button (2), pedestal (9) the lower part both sides are each provided with drawing handle (8) and brake
(10), pedestal (9) bottom is provided with wheel (11).
2. a kind of nuclear power station underwater foreign matter as described in claim 1 collects transfer device, it is characterised in that：The lifting lug is fixed
Detaining setting on (2), there are two mounting hole, lifting lug fixing buckle (2) quantity is two.
3. a kind of nuclear power station underwater foreign matter as claimed in claim 2 collects transfer device, it is characterised in that：The babinet (5)
For the rectangular parallelepiped structure penetrated through above and below, there are two bolt through-holes for the setting of babinet (5) lower part, for bolt (7) horizontal through babinet
(5) it and lock onto on babinet (5).
4. a kind of nuclear power station underwater foreign matter as described in claim 1 collects transfer device, it is characterised in that：The end plug (1)
It is cylindrical structure with filter core (4), end plug (1) carries handle.
5. a kind of nuclear power station underwater foreign matter as described in claim 1 collects transfer device, it is characterised in that：The chain connection
The quantity for detaining (3) is four.
6. a kind of nuclear power station underwater foreign matter as described in claim 1 collects transfer device, it is characterised in that：The horn mouth
(12) beginning size dimension matches with underwater foreign matter suction means connection size.
7. a kind of nuclear power station underwater foreign matter collects the installation method of transfer device, it is characterised in that once include the following steps：
Step 1：From end plug (1) is taken out in babinet (5), checks that bolt (7) is in the state of fastening, be put into filter core (4), and solve
Except the connection of chain junction button (3) and lifting lug fixing buckle (2), babinet (4) is made to be detached with pedestal (9).
Step 2：By means of crane, babinet (5) is lifted to underwater foreign matter by the mounting hole being arranged on lifting lug fixing buckle (2)
Collecting zone carries out adaptability tune by drawing handle (8) and wheel (11) to the babinet storage area of pedestal (9) upper surface
It is whole, brake (10) firm banking (9) is used after adjustment.
Step 3：It after underwater suction means suction of foreign body, is observed by means of underwater camera, underwater suction means is transferred to
Above babinet (5) placement region, the suction line of underwater suction means is inserted into babinet (5) by the horn mouth (12) on babinet (5)
In filter core (4) it is internal, the pump of suction means is stopped or is set as reversing mode, the foreign matter of absorption, which falls into or recoils, is washed till case
In filter core (4) in body (5), the collection of foreign matter is completed.
Step 4：By means of crane, babinet (5) is left the water together with filter core (4), kept for a period of time, in empty dry filter core (4)
Residual water, be hoisted to pedestal (9) upper surface babinet storage area, and babinet (5) and pedestal (9) are passed through into chain junction button (3)
After being attached, end plug 1 is covered.
Step 5：It is transported to specified workshop, bolt (7) is released and locks and fasten cord, release chain junction button (3) and hang
The connection of ear fixing buckle (2), by means of crane, for handling babinet (5) to filter core collection vessel top, operating personnel are slotting by lying in
The cord remote operation sold on (7) extracts bolt (7), and filter core (4) falls to final filter core collection vessel in the effect of gravity
It is interior, and babinet (5) and pedestal (9) are restored into combination, complete foreign matter collection, transhipment, launch process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474161.2A CN108735312A (en) | 2018-05-17 | 2018-05-17 | A kind of nuclear power station underwater foreign matter collects transfer device and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810474161.2A CN108735312A (en) | 2018-05-17 | 2018-05-17 | A kind of nuclear power station underwater foreign matter collects transfer device and its installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108735312A true CN108735312A (en) | 2018-11-02 |
Family
ID=63937525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810474161.2A Pending CN108735312A (en) | 2018-05-17 | 2018-05-17 | A kind of nuclear power station underwater foreign matter collects transfer device and its installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108735312A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203839059U (en) * | 2014-05-20 | 2014-09-17 | 阳江核电有限公司 | Underwater radioactive waste collection and transfer device |
| CN105355248A (en) * | 2015-10-20 | 2016-02-24 | 中国原子能科学研究院 | Filter core transferring apparatus |
| CN205122211U (en) * | 2015-10-20 | 2016-03-30 | 中国原子能科学研究院 | A shielding section of thick bamboo is stored to useless filter insert holder |
| CN207097469U (en) * | 2017-08-07 | 2018-03-13 | 嘉兴纽科贸易有限公司 | A kind of nuclear power station offline mobile filter |
| CN208256295U (en) * | 2018-05-17 | 2018-12-18 | 江苏核电有限公司 | A kind of nuclear power station underwater foreign matter collection transfer device |
-
2018
- 2018-05-17 CN CN201810474161.2A patent/CN108735312A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203839059U (en) * | 2014-05-20 | 2014-09-17 | 阳江核电有限公司 | Underwater radioactive waste collection and transfer device |
| CN105355248A (en) * | 2015-10-20 | 2016-02-24 | 中国原子能科学研究院 | Filter core transferring apparatus |
| CN205122211U (en) * | 2015-10-20 | 2016-03-30 | 中国原子能科学研究院 | A shielding section of thick bamboo is stored to useless filter insert holder |
| CN207097469U (en) * | 2017-08-07 | 2018-03-13 | 嘉兴纽科贸易有限公司 | A kind of nuclear power station offline mobile filter |
| CN208256295U (en) * | 2018-05-17 | 2018-12-18 | 江苏核电有限公司 | A kind of nuclear power station underwater foreign matter collection transfer device |
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