CN204375432U - Spent fuel dry-type storage project underwater operation platform device for hoisting - Google Patents
Spent fuel dry-type storage project underwater operation platform device for hoisting Download PDFInfo
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- CN204375432U CN204375432U CN201520076359.7U CN201520076359U CN204375432U CN 204375432 U CN204375432 U CN 204375432U CN 201520076359 U CN201520076359 U CN 201520076359U CN 204375432 U CN204375432 U CN 204375432U
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- operation platform
- underwater operation
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- type storage
- spent fuel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model relates in without the device for hoisting installing large-tonnage heavy equipment in crane mill building.For solving the problem that difficulty of construction is large, risk is high and long in time limit that former design and installation underwater operation platform brings, the utility model proposes a kind of spent fuel dry-type storage project underwater operation platform device for hoisting, comprise two both legs jacks, two single leg jacks and four fakes, both legs jack is arranged on roof girder steel, and the projection of installation site is positioned on the platform outside factory building pond; Single leg jack is arranged on factory roof girder steel, and installation site is positioned at directly over underwater operation platform installation site, factory building pond; Fake is hung on the suspension hook of both legs jack through after the hanger of underwater operation platform.Use the utility model spent fuel dry-type storage project underwater operation platform device for hoisting to lift underwater operation platform, install fast, accurately, and installation period is short, staff's difficulty of construction is low, personnel and device security high.
Description
Technical field
The utility model relates to the construction of in-service nuclear power station new projects, particularly relates to a kind of without the device for hoisting installing large-tonnage heavy equipment in crane mill building.
Background technology
The spentnuclear fuel that nuclear power station draws off in reactor, deposit in the irradiated fuel store pond being transported to dark 7.7 meters, and existing irradiated fuel store pond design capacity is 10 years, when the phase therefore operated 10 years at nuclear power station expires, need the transhipment solving spentnuclear fuel as early as possible, to ensure nuclear power station stable operation.Spent fuel dry-type storage project is exactly the transfer operation in order to realize spentnuclear fuel, wherein, the installation of irradiated fuel store Chi Shuixiacaozuotai, be the important step that this project equipment is installed, its effect is exactly by the tipple on underwater operation platform and whirligig, gets one's things ready in fuel-basket by the spent fuel rods in pond, thus realize its entirety is left the water after, after oven dry, encapsulation process, entrucking outward transport envelope is buried, and carries out the transhipment realizing spentnuclear fuel.Underwater operation platform weight is about 12t (ton), physical dimension huge (long × wide × high) 4.7m × 2.5m × 2.7m (rice), installation site in the bottom in the dark irradiated fuel store pond of 7.7m, and is fixed by being arranged on 8 register pins reserved bottom storage pool.
According to the design planning of nuclear power station, the time of the spent fuel dry-type storage project implementation is when spentnuclear fuel is about to pile with, half month can be only had for the duration of staff's domination, site work narrow space, after the underwater operation platform of spent fuel dry-type storage project is in place, the spentnuclear fuel basket only 50mm (millimeter) stacked in pond, and in factory building, special rane trolley cannot be set, also without any lifting facility above face, pond.Former design proposal installs the U-rail bent by H profile steel on the factory roof steel structure girder of irradiated fuel store pond, track is installed anchor head to hang and hang jack operator's console is transported by export-oriented pond, pond, but roof girder steel is apart from 14.5 meters, face, pond, prefabricated, the installation and removal of U-rail must set up framing scaffold, work difficulty is large, risk is high and the duration is longer, implements, cannot complete spent fuel dry-type storage project schedule plan in intended duration by the program.
Utility model content
For solving the problem that difficulty of construction is large, risk is high and long in time limit that former design and installation underwater operation platform brings, the utility model proposes a kind of spent fuel dry-type storage project underwater operation platform device for hoisting, this spent fuel dry-type storage project underwater operation platform device for hoisting comprises two both legs jacks, two single leg jacks and four fakes, described both legs jack is arranged on roof girder steel, and the projection of the installation site of described both legs jack is positioned on the platform outside factory building pond; Described single leg jack is arranged on roof girder steel, and the installation site of described single leg jack is positioned at directly over the installation site of the underwater operation platform in described factory building pond; Described fake is hung on the suspension hook of described both legs jack through after the hanger of lifting underwater operation platform.
In use, first platform underwater operation platform being transported to the limit, pond in factory building is placed, the cross central line of the installed position of underwater operation platform in pond is determined according to the final design stayed during construction of hydropower, and this cross central line is projected to the factory roof above face, pond, using the mounting center line of the roof girder steel corresponding with this cross central line as single leg jack.Determine its cross central line according to the position of the underwater operation platform be placed on the platform on limit, pond again, and this cross central line is projected to factory roof, select the roof girder steel corresponding with this cross central line as the mounting center line of both legs jack.
Determine the longitudinal centre line of underwater operation platform at installed position according to factory building final design, and this longitudinal centre line is projected to factory roof, select the roof girder steel corresponding with this longitudinal centre line.After being installed by underwater operation platform in final design, the position of hanger is projected in factory roof, selects through hanger and is parallel to the roof girder steel of corresponding underwater operation platform at the longitudinal centre line of installed position.Two intersection points of the projection line of the cross central line these two girder steels and underwater operation platform installed are defined as single leg jack mounting points, are arranged on respectively by two single leg jacks in this single leg jack mounting points.
Determine the longitudinal centre line of the underwater operation platform installation on the platform being placed on limit, pond according to factory building final design, and this longitudinal centre line is projected to factory roof, select the roof girder steel corresponding with this longitudinal centre line.When being placed on platform by underwater operation platform, the position of hanger is projected in factory roof again, selects through hanger subpoint and is parallel to the girder steel that correspondence is placed on the longitudinal centre line of the underwater operation platform on platform.These two girder steels and two intersection points of projection line of the cross central line being placed on the underwater operation platform on platform are defined as both legs jack mounting points, two both legs jacks are arranged on respectively in this both legs jack mounting points.
Fake is hung on the suspension hook of both legs jack through after hanger, then the suspension hook of single leg jack is hung on the rigging suspension ring of the both legs jack be positioned on same roof girder steel.
First operate both legs jack operator's console level to be lifted to apart from 100mm place, ground, and the rope chain of synchronous list leg jack, the suspension hook of bonding leg jack does not break off relations with the rigging suspension ring of both legs jack.Then this device and underwater operation platform are left standstill, underwater operation platform is no longer rocked, shrink single leg jack, and synchronously loosen the rope chain of both legs jack, underwater operation platform level is made to move to directly over the installation site in pond, leave standstill this underwater operation platform, after making it no longer shake, synchronously loosen single leg jack and both legs jack, this underwater operation platform is made to fall into installation site in pond, and the register pin be arranged in pond can enter in the dowel hole on this underwater operation platform, is fixed up by this underwater operation platform.Behind underwater operation platform location, the suspension hook of both legs jack under water and between the hanger of underwater operation platform without pulling force, automatically-unhooked under buoyancy of water effect.
When using the utility model spent fuel dry-type storage project underwater operation platform device for hoisting to lift underwater operation platform, only four jack mounting points need be set, alleviate the workload of staff, decrease the working time, reduce the work difficulty of staff, ensure the security of staff and equipment, for the carrying out of follow-up spent fuel dry-type storage project leaves time enough, ensure the stable operation of nuclear power station.
Preferably, described both legs jack and described single leg jack are all arranged on roof girder steel by wire rope.In jack mounting points, from penetrating twin cable between roof girder steel and roofing tile tongue around roof girder steel one circle, form simple and easy suspension ring, the hook of jack is made to be hung in these simple and easy suspension ring formed by wire rope, the production process of these simple and easy suspension ring is simple, and staff, without the need to carrying out intensity and the higher work of complexity on framing scaffold, has ensured the security of staff and equipment, and fast easy to make, save the working time.
Further, the two ends of described wire rope are fixedly connected with by splicing folder.Use the clamping two ends of determining wire rope of splicing, ensure the strength of joint at wire rope two ends, improve the jack utilizing wire rope to make and hang stability with simple and easy suspension ring, and then ensured the stability of follow-up lifting operation, ensure that the security of staff and equipment.
Further, the contact position of described wire rope and roof girder steel is provided with neonychium.When underwater operation platform shakes in lifting process; larger friction can be there is in wire rope with roof girder steel; and after the contact position of described wire rope and roof girder steel arranges neonychium; described neonychium can completely cut off the contact of described wire rope and roof girder steel, avoids described steel rope abrasion and even ruptures.
Preferably, after on the suspension hook that described fake is hung on described both legs jack, the part described fake is hung near this suspension hook button is fixed on this suspension hook.When after underwater operation platform installation in position, the suspension hook of both legs jack under water and between the hanger of underwater operation platform without pulling force, automatically-unhooked under buoyancy of water effect, now, part first the disengaging with suspension hook that fake is hung on this suspension hook bill close comes, staff is while the described both legs jack suspension hook of lift, fake can be driven to be fixed on the part on suspension hook button depart from the hanger of underwater operation platform and come, described fake is also taken off from underwater operation platform, described fake can be reused, saved cost.
Further, the part near suspension hook button on described fake is fixed on this suspension hook button by the mode that finer wire is tied up.The mode of tying up is easy to operation and easy accessibility.
Preferably, this spent fuel dry-type storage project underwater operation platform device for hoisting also comprises underwater monitoring equipment.Underwater monitoring equipment may be used for monitoring underwater operation platform fall into the water after position, staff just can be known on ground and observe that underwater operation platform enters the position after in water, be convenient to staff's adjustment, enable underwater operation platform in place more quickly and accurately.
Use the utility model spent fuel dry-type storage project underwater operation platform device for hoisting to lift underwater operation platform, install fast, accurately, and installation period is short, staff's difficulty of construction is low, personnel and device security high.
Accompanying drawing explanation
Fig. 1 is the operation chart of the utility model spent fuel dry-type storage project underwater operation platform device for hoisting;
Fig. 2 is the schematic diagram of the position relationship between the jack mounting points of the utility model spent fuel dry-type storage project underwater operation platform device for hoisting and factory building pond.
Embodiment
As depicted in figs. 1 and 2, a kind of spent fuel dry-type storage project underwater operation platform device for hoisting comprises the single leg jack of two both legs jacks 1, two 2, four fakes 3 and underwater monitoring equipment (not shown).Both legs jack 1 is arranged on the roof girder steel b above the platform 5 outside factory building pond 6 by wire rope 11, single leg jack 2 is arranged on the roof girder steel a directly over the underwater operation platform installation site in factory building pond 6 by wire rope 11; The two ends of wire rope 11 are fixedly connected to form simple and easy suspension ring by splicing folder and hang to facilitate both legs jack and single leg jack 2, and wire rope 11 and the contact position between roof girder steel b, a are provided with neonychium 12, occur damage to avoid wire rope 11.Fake 3 is hung on the suspension hook of both legs jack 1 through after the hanger of lifting underwater operation platform 4, and part fake 3 is hung near this suspension hook button is banded on this suspension hook by finer wire.Underwater monitoring equipment may be used for monitoring underwater operation platform fall into the water after position, staff just can be known on ground and observe that underwater operation platform enters the position after in water, be convenient to staff's adjustment, enable underwater operation platform in place more quickly and accurately.
In use, first underwater operation platform 4 is transported on the platform 5 on the limit, pond in factory building and places, the cross central line of underwater operation platform at installed position is determined according to the final design stayed during construction of hydropower, and this cross central line is projected to the factory roof above pond 6, using the mounting center line of the roof girder steel a corresponding with this cross central line as single leg jack; Basis is placed on the position of the underwater operation platform on limit, pond again, determines its cross central line, this cross central line is projected to factory roof, select the roof girder steel b corresponding with this cross central line as the mounting center line of both legs jack.
According to underwater operation platform 4 in the final design of factory building in installation site, determine the longitudinal centre line of underwater operation platform 4 in installation site, and this longitudinal centre line is projected to factory roof, select the roof girder steel corresponding with this longitudinal centre line.After being installed by underwater operation platform in the final design of factory building, the position of hanger is projected in factory roof, select through hanger subpoint and be parallel to corresponding underwater operation platform at the roof girder steel m of the longitudinal centre line of installed position and roof girder steel n, two intersection points of these two roofs girder steel m, n and roof girder steel a are defined as single leg jack mounting points 21.The longitudinal centre line of the underwater operation platform be placed on the platform 5 on limit, pond is determined according to factory building final design, and this longitudinal centre line is projected to factory roof, select the roof girder steel b corresponding with this longitudinal centre line, when being placed on platform by underwater operation platform, the position of hanger is projected in factory roof again, select through hanger subpoint and be parallel to the roof girder steel m that correspondence is placed on the longitudinal centre line of the underwater operation platform on platform 5, n (the subpoint of the installation site of underwater operation platform hanger in pond 6 shown in Fig. 2, the subpoint of corresponding hanger when being placed on platform 5 with underwater operation platform, be located along the same line, therefore select identical with roof, the hanger subpoint place girder steel of the installed position of underwater operation platform in pond 6), by these two roof girder steel m, two intersection points of n and roof girder steel b are defined as both legs jack mounting points 13, two both legs jacks 1 are arranged on respectively in this both legs jack mounting points 13.
Fake 3 is hung on the suspension hook of both legs jack 1 through after hanger, then the suspension hook of single leg jack 2 is hung on the rigging suspension ring of the both legs jack be positioned on same roof girder steel m or roof girder steel n.
First operate both legs jack 1 operator's console 4 level to be lifted to apart from 100mm place, ground, and the rope chain of synchronous list leg jack 2, the suspension hook of bonding leg jack 2 does not break off relations with the rigging suspension ring of both legs jack 1.Then this device and underwater operation platform 4 are left standstill, underwater operation platform 1 is no longer rocked, operation sheet leg jack 2 shrinks, and synchronously loosen the rope chain of both legs jack 1, underwater operation platform 4 level is made to move to directly over the installed position in pond 6, leave standstill this underwater operation platform 4, after making it no longer shake, synchronously loosen single leg jack 2 and both legs jack 1, this underwater operation platform 4 is made to fall into installation site in pond 6, and the register pin be arranged in pond 6 can enter in the dowel hole on this underwater operation platform, is fixed up by this underwater operation platform 4.After underwater operation platform 4 is located, the suspension hook of both legs jack 1 under water and between the hanger of underwater operation platform 4 without pulling force, part first the disengaging with suspension hook that fake 3 is hung on this suspension hook bill close comes, staff is while the suspension hook of lift both legs jack 1, fake 3 part be fixed on suspension hook button can be driven together to depart from the hanger of underwater operation platform 4 come, fake 3 is also taken off from underwater operation platform 4, fake 3 can be reused, saved cost.
When using the utility model spent fuel dry-type storage project underwater operation platform device for hoisting to lift underwater operation platform, only four jack mounting points need be set, install fast, accurately, alleviate the workload of staff, decrease the working time, reduce the work difficulty of staff, staff's difficulty of construction is low, ensure the safety of staff and equipment, for the carrying out of follow-up spent fuel dry-type storage project leaves time enough, ensure the stable operation of nuclear power station.
Claims (7)
1. a spent fuel dry-type storage project underwater operation platform device for hoisting, it is characterized in that, this spent fuel dry-type storage project underwater operation platform device for hoisting comprises two both legs jacks, two single leg jacks and four fakes, described both legs jack is arranged on roof girder steel, and the projection of the installation site of described both legs jack is positioned on the platform outside factory building pond; Described single leg jack is arranged on roof girder steel, and the installation site of described single leg jack is positioned at directly over the installation site of the underwater operation platform in described factory building pond; Described fake is hung on the suspension hook of described both legs jack through after the hanger of lifting underwater operation platform.
2. spent fuel dry-type storage project underwater operation platform device for hoisting according to claim 1, is characterized in that, described both legs jack and described single leg jack are all arranged on roof girder steel by wire rope.
3. spent fuel dry-type storage project underwater operation platform device for hoisting according to claim 2, is characterized in that, the two ends of described wire rope are fixedly connected with by splicing folder.
4. spent fuel dry-type storage project underwater operation platform device for hoisting according to claim 2, it is characterized in that, the contact position of described wire rope and roof girder steel is provided with neonychium.
5. spent fuel dry-type storage project underwater operation platform device for hoisting according to claim 1, it is characterized in that, after on the suspension hook that described fake is hung on described both legs jack, the part described fake is hung near this suspension hook button is fixed on this suspension hook.
6. spent fuel dry-type storage project underwater operation platform device for hoisting according to claim 5, is characterized in that, the part near suspension hook button on described fake is fixed on this suspension hook button by the mode that finer wire is tied up.
7. spent fuel dry-type storage project underwater operation platform device for hoisting according to claim 1, is characterized in that, this spent fuel dry-type storage project underwater operation platform device for hoisting also comprises underwater monitoring equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520076359.7U CN204375432U (en) | 2015-02-03 | 2015-02-03 | Spent fuel dry-type storage project underwater operation platform device for hoisting |
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| CN201520076359.7U CN204375432U (en) | 2015-02-03 | 2015-02-03 | Spent fuel dry-type storage project underwater operation platform device for hoisting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957573A (en) * | 2016-06-27 | 2016-09-21 | 中电投远达环保工程有限公司重庆科技分公司 | Bagged filtering material changing device for radioactive wastewater treatment process |
| CN106705810A (en) * | 2016-12-28 | 2017-05-24 | 中核核电运行管理有限公司 | Heavy water reactor spent fuel basket testing inspection device |
| CN106951622A (en) * | 2017-03-14 | 2017-07-14 | 北京科瑞华安科技有限公司 | A kind of spent fuel stores the finite element method of screen work seismic safety |
| CN108447575A (en) * | 2018-03-23 | 2018-08-24 | 广东核电合营有限公司 | Presurized water reactor spent fuel dry-type storage stowage |
| CN112012188A (en) * | 2020-07-22 | 2020-12-01 | 海洋石油工程股份有限公司 | Method for in-situ dragging and laying down of deepwater abandoned jacket |
-
2015
- 2015-02-03 CN CN201520076359.7U patent/CN204375432U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957573A (en) * | 2016-06-27 | 2016-09-21 | 中电投远达环保工程有限公司重庆科技分公司 | Bagged filtering material changing device for radioactive wastewater treatment process |
| CN105957573B (en) * | 2016-06-27 | 2018-01-30 | 中电投远达环保工程有限公司重庆科技分公司 | The pocket type filtrate material-changing device of Spent Radioactive water treatment technology |
| CN106705810A (en) * | 2016-12-28 | 2017-05-24 | 中核核电运行管理有限公司 | Heavy water reactor spent fuel basket testing inspection device |
| CN106705810B (en) * | 2016-12-28 | 2023-01-03 | 中核核电运行管理有限公司 | Heavy water reactor spent fuel basket testing and checking device |
| CN106951622A (en) * | 2017-03-14 | 2017-07-14 | 北京科瑞华安科技有限公司 | A kind of spent fuel stores the finite element method of screen work seismic safety |
| CN108447575A (en) * | 2018-03-23 | 2018-08-24 | 广东核电合营有限公司 | Presurized water reactor spent fuel dry-type storage stowage |
| CN112012188A (en) * | 2020-07-22 | 2020-12-01 | 海洋石油工程股份有限公司 | Method for in-situ dragging and laying down of deepwater abandoned jacket |
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