CN105712213B - AP1000 nuclear power superposed type dome lifting and fixing construction methods - Google Patents
AP1000 nuclear power superposed type dome lifting and fixing construction methods Download PDFInfo
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- CN105712213B CN105712213B CN201410727599.9A CN201410727599A CN105712213B CN 105712213 B CN105712213 B CN 105712213B CN 201410727599 A CN201410727599 A CN 201410727599A CN 105712213 B CN105712213 B CN 105712213B
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Abstract
The invention belongs to nuclear power technical field of building construction, and in particular to a kind of AP1000 nuclear powers superposed type dome lifting and fixing construction method.Comprise the following steps：During lifting, steel dome and crane are connected using Current Collector Sleave, completes lifting work；Current Collector Sleave includes hanging beam, steel wire rope and adjustable drawbar, is furnished with steel wire rope around hanging beam, steel wire rope is connected to adjustable drawbar；During examination is hung, crane classification multistage loadings, steel wire rope stress is detected；When the stress of every adjustable drawbar respectively can continue to lift when within design deviation scope；If the stress of adjustable drawbar exceedes design deviation scope, crane is offloaded to steel wire rope looseness state, adjusts adjustable drawbar length, raising steel dome monitors adjustable drawbar stress again, if stress meets deviation requirement, continues to lift；If stress still exceeds deviation requirement, adjustable drawbar length adjustment process is repeated, until stress meets to require.The invention can ensure that the smooth lifting of AP1000 nuclear power steel domes, the security of guarantee steel dome lifting and fixing.
Description
Technical field
The invention belongs to nuclear power technical field of building construction, and in particular to a kind of AP1000 nuclear powers superposed type dome lifting and fixing is applied
Work method.
Background technology
AP1000 nuclear power technologies are most safe, state-of-the-art business nuclear power technologies in current global nuclear power market, while
It is Chinese generation Ⅲ nuclear power proprietary technology.Domestic more ripe steel dome lifting and fixing technology has M310 presurized water reactor nuclear island steel domes at present
Lifting, M310 nuclear island steel dome weight is less about 170t, and center of gravity overlaps with the centre of form, the adjustment of steel wire rope and lower mouth during lifting
Level-adjusting step is less and easy realization, hoisting step are simple and direct and ripe.
The construction of M310 steel dome lifting and fixing is contrasted, the construction of AP1000 nuclear power steels dome lifting and fixing has significantly more own characteristic,
Modular construction is the valuable feature of AP1000 nuclear power building courses, AP1000 steel domes be by steel dome body steel construction and
Attached steel construction --- structures steel between upper, annular stair ＆ hoistable platforms steel construction, Passive containment cooling system valve
Structure, protective plate ＆ woven wire ＆ diffusor entry steel constructions --- it is assembled into an entirety, wherein protective plate ＆ woven wires ＆
Diffusor entry steel construction is hung in steel dome body central opening position, upper, annular stair ＆ hoistable platforms by welding manner
Structures steel construction is located at steel dome body by bolted connection between steel construction, Passive containment cooling system valve
Side, make gravity center eccentric structure is integrally formed.
Steel dome is the typical modular construction example of integral hoisting installation, because its size is big, weight is big, center of gravity and the centre of form
The features such as misaligned, suspension centre arrangement is more, installation site is high need to make, it is necessary to reasonable selection crane and crane operating mode
A set of safety, the reasonable, construction method for hanging of specification are made, to meet the integral hoisting requirement of steel dome.
The content of the invention
It is an object of the invention to provide a kind of AP1000 nuclear powers superposed type dome lifting and fixing construction method, to ensure AP1000
The smooth lifting of nuclear power steel dome, ensure security, the normalization of steel dome lifting and fixing, improve lifting construction quality and efficiency.
The technical solution used in the present invention is：
A kind of AP1000 nuclear powers superposed type dome lifting and fixing construction method, comprises the following steps：During lifting, connected using Current Collector Sleave
Steel dome and crane are connect, completes lifting work；Current Collector Sleave includes hanging beam, steel wire rope and adjustable drawbar, is furnished with around hanging beam
Steel wire rope, steel wire rope are connected to adjustable drawbar；During examination is hung, crane classification multistage loadings, detection steel wire rope by
Power；When the stress of every adjustable drawbar respectively can continue to lift when within design deviation scope；If the stress of adjustable drawbar surpasses
Design deviation scope is crossed, crane is offloaded to steel wire rope looseness state, adjusts adjustable drawbar length, and raising steel dome monitors again
Adjustable drawbar stress, if stress meets deviation requirement, continue to lift；If stress still exceeds deviation requirement, adjustable drawbar is repeated
Length adjustment process, until stress meets to require.
The specific steps during lifting include：The first step, complete the connection of steel wire rope, hanging beam and crane hook；Will
Drop of lifting hook of crane is completed hanging beam and is connected with suspension hook to hanging beam top；Steel wire rope is connected with hanging beam using truck crane, completed
Steel wire rope, hanging beam are hung into ground afterwards, more than steel dome height 2m to the 3m height of assembled position；Second step, simulation lifted
Journey, crane simulation drill the technological process of steel dome integral hoisting；3rd step, adjustable drawbar is completed using truck crane or tower crane
With the connection of steel dome hanger；4th step, the connection of steel wire rope and adjustable drawbar is completed using truck crane or tower crane, adjustment is adjustable
Pull bar length, every steel wire rope stress of regulation meet design requirement.
The specific steps during lifting also include：5th step, steel dome are lifted to the height for meeting luffing requirement, lifting
Machine is by lifting radius luffing to lifting radius；6th step, steel dome are lifted to hoisting height, and crane rotation is located at steel dome
Crane direction of travel, crane arrive forward lifting erect-position point；7th step, the slow off the hook of crane, treat steel dome distance from bottom
During on-station position about 1m to 2m positions, crane stops off the hook, is set by cable wind rope and adjustment in place, and guiding steel dome is fallen on
On bracket；8th step, after steel dome position adjustment in place, crane is slowly offloaded to zero, and adjustable drawbar of dismantling is hung with steel dome
Ear connects, and Current Collector Sleave is transferred from into steel dome, so far steel dome lifting and fixing is completed.
Having the beneficial effect that acquired by the present invention：
The present invention applies according to the steel dome design parameter of itself with reference to the special steel dome lifting and fixing of on-site actual situations establishment
Process strict implement design requirement is hung in work technical matters, Study on Steel dome lifting and fixing force analysis, careful planning lifting step, examination,
Hoisting process by carefully analyzing research before construction, strictly controls in work progress in strict accordance with lifting step, is meeting steel vault
On the premise of top lifting smoothly completes, the hoisting efficiency high, each link continuity is good, and the hoisting is safe and can protect
Card lifting quality.
Brief description of the drawings
Fig. 1 is steel dome schematic diagram in place；
Fig. 2 is steel dome integral hoisting technical process schematic diagram；
Fig. 3 is that steel dome Current Collector Sleave hangs schematic diagram；
Fig. 4 is steel dome lifting and fixing horizontal layout schematic diagram；
Fig. 5 is steel dome lifting and fixing elevational schematic view；
In figure：1st, steel dome body；2nd, upper, annular stair/hoistable platform steel construction；3rd, passive containment cooling system
Structures steel construction between system valve；4th, protective plate/woven wire/diffusor entry steel construction；5th, bracket；6th, barrier shield；7th, steel
Dome hanger；8th, adjustable drawbar；9th, steel wire rope；10th, hanging beam；11st, crane；12nd, steel dome, including 1,2,3,4；13rd, hoist cable
Tool, including 8,9,10；14th, nuke rubbish factory building；15th, auxiliary plant.
Embodiment
The present invention is described further with reference to the accompanying drawings and examples.
As shown in figure 1, the profile of steel dome 12 is round table-like in class, nuclear island barrier shield top is located in by way of welding
On 32 pre-buried steel corbels 5, the roof structure of barrier shield is formed.It is upper, annular stair ＆ hoistable platforms steel construction 2, passive
Structures steel construction 3 is located at the side of steel dome 12 between containment cooling system valve so that the gravity center eccentric of steel dome 12, to lifting
It is it is required that higher.
12 whole hoisting process of steel dome is as shown in Fig. 2 lifting floor map is as shown in Figure 4.
It is as follows that steel dome 12 lifts concrete technology step：
As shown in figure 5, during lifting, steel dome 12 and crane 11 are connected using Current Collector Sleave 13, completes lifting work.
The first step, as shown in figure 3, completing the connection of steel wire rope 9, hanging beam 10 and the suspension hook of crane 11.Crane 11 is hung
Hook drops to the top of hanging beam 10, completes hanging beam 10 and is connected with suspension hook；Steel wire rope 9 is connected with hanging beam 10 using truck crane, completed
Steel wire rope 9, hanging beam 10 are hung into ground afterwards, more than the height 2m to 3m of steel dome 12 height of assembled position.
Second step, simulate hoisting process, the technological process of the integral hoisting of 11 simulated maneuver steel dome of crane 12；
3rd step, as shown in figure 3, completing the connection of adjustable drawbar 8 and steel dome hanger 7 using truck crane or tower crane；
4th step, in the lifting construction of steel dome 12, because structural focus is eccentric, it is particularly important that process is hung in examination.Use automobile
Hang or the connection of tower crane completion steel wire rope 9 and adjustable drawbar 8, the adjustment length of adjustable drawbar 8, the every stress of steel wire rope 9 of regulation expire
Sufficient design requirement；
During examination is hung, crane 11 is classified multistage loadings, detects the stress of steel wire rope 9.When every adjustable drawbar 8 by
Power can continue to lift when within design deviation scope respectively；If the stress of adjustable drawbar 8 exceedes design deviation scope, crane
11 are offloaded to the relaxed state of steel wire rope 9, adjust the length of adjustable drawbar 8, and raising steel dome 12 monitors the stress of adjustable drawbar 8 again,
If stress meets deviation requirement, continue to lift；If stress still exceeds deviation requirement, the length adjustment process of adjustable drawbar 8 is repeated,
Until stress meets to require.And on the premise of stress meets the requirements, ensure that the lower horizontal saliva of mouth is put down as far as possible.
5th step, steel dome 12 are lifted to the height for meeting luffing requirement, and crane 11 is by lifting radius luffing to lifting
Radius；
6th step, steel dome 12 are lifted to hoisting height, and the rotation of crane 11 makes steel dome 12 be located at crane 11 to walk
Direction, crane 11 arrive forward lifting erect-position point；
7th step, 11 slow off the hook of crane, when steel dome 12 distance from bottom on-station positions about 1m to 2m positions, lifting
Machine 11 stops off the hook, is set by cable wind rope and adjustment in place, and guiding steel dome 12 is fallen on bracket 5；
8th step, after the position adjustment in place of steel dome 12, crane 11 is slowly offloaded to zero, dismantle adjustable drawbar 8 and steel
Dome hanger 7 is connected, and Current Collector Sleave 13 is transferred from into steel dome, and the so far lifting of steel dome 12 is completed.
Claims (3)
- A kind of 1. AP1000 nuclear powers superposed type dome lifting and fixing construction method, it is characterised in that：This method comprises the following steps：Lifting When, steel dome (12) and crane (11) are connected using Current Collector Sleave (13), completes lifting work；Current Collector Sleave (13) includes hanging beam (10), steel wire rope (9) and adjustable drawbar (8), hanging beam (10) surrounding are furnished with steel wire rope (9), and steel wire rope (9) is connected to can Adjust pull bar (8)；During examination is hung, crane (11) classification multistage loadings, steel wire rope (9) stress is detected；When every adjustable drawing The stress of bar (8) can continue to lift when within design deviation scope respectively；If the stress of adjustable drawbar (8) exceedes design deviation Scope, crane (11) are offloaded to steel wire rope (9) relaxed state, adjust adjustable drawbar (8) length, raising steel dome (12) is again Adjustable drawbar (8) stress is monitored, if stress meets deviation requirement, continues to lift；If stress still exceeds deviation requirement, repetition can Pull bar (8) the length adjustment process of tune, until stress meets to require.
- 2. AP1000 nuclear powers superposed type dome lifting and fixing construction method according to claim 1, it is characterised in that：The lifting When specific steps include：The first step, complete the connection of steel wire rope (9), hanging beam (10) and crane (11) suspension hook；By crane (11) suspension hook drops to hanging beam (10) top, completes hanging beam (10) and is connected with suspension hook；Using truck crane by steel wire rope (9) and hanging beam (10) connect, after the completion of steel wire rope (9), hanging beam (10) hung into ground, more than assembled position steel dome (12) height 2m extremely 3m height；Second step, simulate hoisting process, the technological process of crane (11) simulated maneuver steel dome (12) integral hoisting；The Three steps, the connection of adjustable drawbar (8) and steel dome hanger (7) is completed using truck crane or tower crane；4th step, using truck crane or Tower crane completes steel wire rope (9) and the connection of adjustable drawbar (8), adjusts adjustable drawbar (8) length, every steel wire rope (9) of regulation by Power meets design requirement.
- 3. AP1000 nuclear powers superposed type dome lifting and fixing construction method according to claim 2, it is characterised in that：The lifting When specific steps also include：5th step, steel dome (12) are lifted to the height for meeting luffing requirement, and crane (11) is by lifting by crane Radius luffing is to lifting radius；6th step, steel dome (12) are lifted to hoisting height, and crane (11) rotation makes steel dome (12) Positioned at crane (11) direction of travel, crane (11) arrives forward lifting erect-position point；7th step, crane (11) slow off the hook, When steel dome (12) distance from bottom on-station position about 1m to 2m positions, crane (11) stops off the hook, by cable wind rope and just Position adjustment is set, and guiding steel dome (12) is fallen on bracket (5)；8th step, after steel dome (12) position adjustment in place, crane (11) zero is slowly offloaded to, adjustable drawbar of dismantling (8) is connected with steel dome hanger (7), Current Collector Sleave (13) is transferred from into steel dome, extremely The lifting of this steel dome (12) is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727599.9A CN105712213B (en) | 2014-12-03 | 2014-12-03 | AP1000 nuclear power superposed type dome lifting and fixing construction methods |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410727599.9A CN105712213B (en) | 2014-12-03 | 2014-12-03 | AP1000 nuclear power superposed type dome lifting and fixing construction methods |
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| CN105712213A CN105712213A (en) | 2016-06-29 |
| CN105712213B true CN105712213B (en) | 2017-12-15 |
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| CN201410727599.9A Active CN105712213B (en) | 2014-12-03 | 2014-12-03 | AP1000 nuclear power superposed type dome lifting and fixing construction methods |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106081870B (en) * | 2016-08-12 | 2017-09-22 | 河北省电力建设第一工程公司 | A kind of nuclear power station steel dome balances hanging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SU1418271A1 (en) * | 1987-04-14 | 1988-08-23 | Донецкий Филиал Института "Атомэнергостройпроект" | Crosspiece for mounting bulky structures |
| CN100465084C (en) * | 2006-10-13 | 2009-03-04 | 太原重工股份有限公司 | Hoisting slings specially for long steel rail |
| CN201288014Y (en) * | 2008-10-14 | 2009-08-12 | 徐州中煤钢结构建设有限公司 | Large-span network frame dome installation sling |
| CN203112332U (en) * | 2013-03-11 | 2013-08-07 | 中国核工业第二二建设有限公司 | Eccentric lifting device for dome |
| CN103241644A (en) * | 2013-05-28 | 2013-08-14 | 中国核工业中原建设有限公司 | Assembly method of large-scale thin-wall steel containment vessel and auxiliary hoisting pieces |
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