CN105908843B - A kind of double-deck Dome roof tank synchronization inversion construction method - Google Patents
A kind of double-deck Dome roof tank synchronization inversion construction method Download PDFInfo
- Publication number
- CN105908843B CN105908843B CN201610269097.5A CN201610269097A CN105908843B CN 105908843 B CN105908843 B CN 105908843B CN 201610269097 A CN201610269097 A CN 201610269097A CN 105908843 B CN105908843 B CN 105908843B
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- tank
- outer tank
- top plate
- construction
- lifting
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/04—Containers for fluids or gases; Supports therefor mainly of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3588—Extraordinary methods of construction, e.g. lift-slab, jack-block using special lifting or handling devices, e.g. gantries, overhead conveying rails
Abstract
The invention discloses a kind of double-deck Dome roof tank synchronization inversion construction method, tank shell inside and outside the band wallboard of installation → interior outer tank 1~2 formal dress → outer tank mounting of roof plate → inner canister mounting of roof plate → synchronous construction of installation including outer tank bottom → Cold-keeping Layer installation → interior tank bottom, using this method construction double-layer storage tank, relative to conventional construction method, improve construction operation environment, improve efficiency of construction, shorten construction period, reduce work high above the ground, improve safety coefficient, reduce construction tool secondary installing projects amount, avoid the pollution to stainless steel Inner tanks, the finished product protection quality effectively improved, reduce construction cost.
Description
Technical field
The present invention relates to a kind of mounting technique of large-scale storage tank, more particularly to a kind of double-deck Dome roof tank synchronization inverted construction
Method.
Background technology
Double-layer storage tank is widely used in the storage of the cryogenic liquids such as liquid oxygen, liquid nitrogen, liquefied petroleum gas and ethene.With me
The fast development of state's chemical industry, large quantities of grassroot projects are using it as main cryogenic media storage facilities.Due to design,
Build in construction technology, low temperature double-layer storage tank has technical requirements high, and difficulty of construction is big, and strongly professional procedure connection is closely special
Point.It is required that, it is necessary to which rational construction technique, tight process quality control, can just be effectively ensured and apply during installation
Working medium amount, it is ensured that the normal operation after equipment delivery.
In existing double-layer storage tank construction technology, frequently with traditional storage tank inversion technology, i.e. then first inverted construction outer tank, then
The method of inverted construction Inner tanks is constructed one by one, is influenceed by construction technology, its long construction period, project progress is had a great influence；Its
Inverted construction frock needs secondary installing to remove, and increases its quantities；Meanwhile during the construction of second tank, its raw material, frock,
Means materials are had bad luck, installed, removing and cause very big inconvenience to construction, and complete storage tank finished product protection also produces a very large impact, finished product
Protect difficulty big.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of double-deck Dome roof tank synchronization inversion construction method, this method
The inside and outside tank synchronous construction for realizing double-layer storage tank in industrial installing engineering is implemented, and improves efficiency of construction, shortens construction period,
Construction tool secondary installing projects amount is reduced, reduces construction cost.
To achieve the above object, the present invention provides following technical scheme：A kind of double-deck Dome roof tank synchronization inverted construction
Method, including interior tank bottom, the construction of outer tank bottom, inner canister top plate, the construction of outer tank top plate and interior tank shell, outer tank wallboard
Construction, comprise the following steps：
1), blanking, interior tank bottom, the outer tank bottom of prefabricated storage tank, inner canister top plate, outer tank top plate, interior tank shell, outer tank skin
Plate and parts；
2) outer tank bottom, is first assembled, the then Cold-keeping Layer in construction between tank bottom, outer tank bottom, then assemble Inner tank bottoms；
3), the surveying setting-out on interior tank bottom, outer tank bottom, tank shell, the installation site of outer tank wallboard, lifting in positioning
Frock, outer tank top plate assembling bracket installation site, then have bad luck Inner tank bottoms by prefabricated Inner tank shells, tank deck material
On；
4), the assembling bracket of outer tank top plate is installed on interior tank bottom, outer tank bottom, as inner canister top plate, outer tank top plate
Reference for installation；
5) 1~2 band of tank shell collar in crane formal dress, is utilized；
6), inside, between outer tank interlayer install fliping lifting frock；
7) 1~2 band of crane formal dress outer tank wallboard collar, is utilized；
8), inside and outside tank lifting stable steering wheel is installed in fliping lifting frock；
9) outer tank top plate, is assembled using crane, is provided for lifting Inner in the medial center for the outer tank top plate being completed
The lifting strengthening frame of tank deck plate；
10) assembling Inner tank deck plates, are lifted using hoist engine, during lifting, are first vertically hung to the fanning strip of inner canister top plate
The top of outer tank top plate assembling bracket through being located on interior tank bottom, after loose hook, installation site is moved to using rolling bar；
11) lifting hanger, is installed respectively in the inner side of the outside of Inner tank shells, outer tank wallboard, by fliping lifting frock
Suspension hook system is hung on hanger；
12) the other each band wallboards of inside and outside tank are assembled, using fliping lifting frock synchronization fliping lifting, it is inner canister top plate, outer
Tank deck plate can together be lifted with wallboard, until all wallboards of inside and outside tank are completed；
13), the weld seam between the perfect interior tank shell of welding, outer tank wallboard and interior tank bottom, outer tank bottom, installs each pipe
Mouth, manhole and other parts；
14) fliping lifting frock, is removed；
15), inspect for acceptance.
Preferably, before the assembling bracket of installation outer tank top plate, outer tank top plate is fixed on interim steel bracket, temporary steel
Support need to keep certain intensity, and should keep firm in the assembling of outer tank deck plate；The absolute altitude of interim steel bracket is according to outer tank deck
Layer wallboard absolute altitude determine, its absolute altitude should than outer tank central deck design spring quantum it is high 20~50mm, with offset welding shrink pair
The reduction of outer tank top plate camber influences.
Preferably, when fanning strip assembles, using interim assembling support support fanning strip, the interim support that assembles is using annular
Support is assembled, some groups of assembling supports are set along tank center, portable assembling support can also be made of shaped steel.
Preferably, before interior tank bottom, outer tank base plate paving, cross centre line should be marked on the basis of, and press material cutting plan
Requirement mark every piece of plate long side with chalk line where the position line, bed board should deploy from centre to both sides carry out.
Preferably, in assembling when tank shell, outer tank wallboard, Inner tank shells carry out coaming plate assembling, outer tank wallboard from inner side
Coaming plate assembling is carried out from outside, should simultaneously be lifted when lifting wallboard using fliping lifting frock or lift Inner after first lifting outer tank
Tank.
Preferably, fliping lifting frock uses electric block.
Using above-mentioned technical proposal, the present invention effectively realizes the inside and outside tank synchronous construction of double-layer storage tank, positive effect, changed
Become conventional construction method, realize the inside and outside tank synchronous construction of double-layer storage tank in industrial installing engineering.Relative to traditional construction side
Method, construction operation environment is improved, improve efficiency of construction, shorten construction period, reduce work high above the ground, improve safe system
Number, construction tool secondary installing projects amount is reduced, avoids the pollution to stainless steel Inner tanks, the finished product effectively improved is protected
Quality is protected, reduces construction cost.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Embodiment
Below in conjunction with the accompanying drawings, by the description to embodiment, the present invention will be further described：
As shown in figure 1, a kind of double-deck Dome roof tank synchronization inversion construction method of the present invention, including interior tank bottom 1, outer tank bottom
The construction of plate 2, inner canister top plate 3, the construction of outer tank top plate 4 and interior tank shell 5, the construction of outer tank wallboard 6, including following step
Suddenly：
1), blanking, interior tank bottom 1, the outer tank bottom 2 of prefabricated storage tank, inner canister top plate 3, outer tank top plate 4, interior tank shell 5,
Outer tank wallboard 6 and parts；
2) outer tank bottom 2, is first assembled, the then Cold-keeping Layer 10 in construction between tank bottom 1, outer tank bottom 2, then assemble Inner tanks
Bottom plate 1；Before interior tank bottom 1, outer tank bottom 2 are laid, cross centre line should be marked on the basis of, and use by the requirement of material cutting plan
Chalk line marks the position line where every piece of plate long side, and bed board should deploy to carry out from centre to both sides；
3), the surveying setting-out on interior tank bottom 1, outer tank bottom 2, tank shell 5 in positioning, outer tank wallboard 6 installation site,
Frock, outer tank top plate assembling bracket installation site are lifted, prefabricated Inner tank shells 5, tank deck material are then had bad luck into Inner tanks
On bottom plate 1；
4), the assembling bracket of outer tank top plate 4 is installed on interior tank bottom 1, outer tank bottom 2, as inner canister top plate 3, outer tank
The reference for installation of top plate 4；Before the assembling bracket of installation outer tank top plate 4, outer tank top plate 4 is fixed on interim steel bracket, faced
When steel bracket need to keep certain intensity, and should keep firm in the assembling of outer tank deck plate；The absolute altitude of interim steel bracket is according to outer
The absolute altitude of tank deck layer wallboard determines that its absolute altitude should be higher 20~50mm than outer tank central deck design spring quantum, is received to offset welding
Contract the external camber of tank deck plate 4 reduction influence；
5) 1~2 band of the collar of tank shell 5 in crane formal dress, is utilized；
6), inside, fliping lifting frock 9 is installed between outer tank interlayer；
7) 1~2 band of the collar of crane formal dress outer tank wallboard 6, is utilized；
8), inside and outside tank lifting stable steering wheel 7 is installed in fliping lifting frock；
9) outer tank top plate 4, is assembled using crane, is provided for lifting in the medial center for the outer tank top plate 4 being completed
The lifting strengthening frame of Inner tank decks plate 3；
10) assembling Inner tank decks plate 3, is lifted using hoist engine, during lifting, is first vertically hung to the fanning strip of inner canister top plate 3
The top for the outer tank top plate assembling bracket being located on interior tank bottom 1, after loose hook, installation site is moved to using rolling bar,
When fanning strip assembles, using interim assembling support support fanning strip, the interim support that assembles is using annular assembling support, along storage tank
The heart sets some groups of assembling supports, and portable assembling support can also be made of shaped steel, avoid causing danger, can also save installation
Time；
11) lifting hanger 8, is installed respectively in the inner side in the outside of Inner tank shells 5, outer tank wallboard 6, by fliping lifting frock
9 suspension hook system is hung on hanger 8；
12) the other each band wallboards of inside and outside tank are assembled, using 9 synchronous fliping lifting of fliping lifting frock, inner canister top plate 3,
Outer tank top plate 4 can together be lifted with wallboard, until all wallboards of inside and outside tank are completed；Tank shell 5, outer tank skin in assembling
During plate 6, Inner tank shells 5 carry out coaming plate assembling from inner side, and outer tank wallboard 6 carries out coaming plate assembling from outside, utilizes fliping lifting work
It should simultaneously be lifted when filling 9 lifting wallboard or lift Inner tanks after first lifting outer tank；
13), the weld seam between the perfect interior tank shell 5 of welding, outer tank wallboard 6 and interior tank bottom 1, outer tank bottom 2, installation are each
The mouth of pipe, manhole and other parts；
14) fliping lifting frock, is removed；
15), inspect for acceptance.
To be cost-effective, fliping lifting frock 9 of the present invention uses electric block, and electric block is arranged on column 11.It is vertical
Post 11 is installed in the interlayer between inside and outside tank.
It should be noted that due to the method that the present invention uses fliping lifting, interior tank shell 5 of the invention, outer tank wallboard 6
Installation is a-circle-by-a-circle installation from the top down, therefore when installing inner canister top plate 3, outer tank top plate 4, it is necessary to install interior tank shell
5th, outer tank wallboard 6 is located at 1~2 band at top, i.e., 1~2 circle, for fixing inner canister top plate 3, outer tank top plate 4.
The inside and outside tank synchronous construction of the invention for effectively realizing double-layer storage tank, positive effect, change conventional construction method, it is real
The inside and outside tank synchronous construction of double-layer storage tank in industrial installing engineering is showed.Relative to conventional construction method, construction operation is improved
Environment, improve efficiency of construction, shorten construction period, reduce work high above the ground, improve safety coefficient, it is secondary to reduce construction tool
Assembling and disassembling quantities, the pollution to stainless steel Inner tanks is avoided, the finished product protection quality effectively improved, reduction is constructed into
This.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. a kind of double-deck Dome roof tank synchronization inversion construction method, including interior tank bottom (1), the construction of outer tank bottom (2), inner canister
Top plate (3), the construction of outer tank top plate (4) and interior tank shell (5), the construction of outer tank wallboard (6), it is characterised in that including with
Lower step：
1), blanking, interior tank bottom (1), the outer tank bottom (2) of prefabricated storage tank, inner canister top plate (3), outer tank top plate (4), interior tank skin
Plate (5), outer tank wallboard (6) and parts；
2) outer tank bottom (2), is first assembled, the then Cold-keeping Layer (10) in construction between tank bottom (1), outer tank bottom (2), then assemble
Inner tank bottoms (1)；
3), the surveying setting-out on interior tank bottom (1), outer tank bottom (2), the installation of tank shell (5), outer tank wallboard (6) in positioning
Position, lifting frock, outer tank top plate assembling bracket installation site, then have bad luck prefabricated Inner tank shells (5), tank deck material
Onto Inner tank bottoms (1)；
4), on interior tank bottom (1), outer tank bottom (2) install outer tank top plate (4) assembling bracket, as inner canister top plate (3),
The reference for installation of outer tank top plate (4)；
5) 1~2 band of tank shell (5) collar in crane formal dress, is utilized；
6), inside, between outer tank interlayer install fliping lifting frock (9)；
7) 1~2 band of crane formal dress outer tank wallboard (6) collar, is utilized；
8) inside and outside tank lifting stable steering wheel (7), is installed in fliping lifting frock；
9) outer tank top plate (4), is assembled using crane, is provided for lifting in the medial center for the outer tank top plate (4) being completed
The lifting strengthening frame of Inner tank decks plate (3)；
10) assembling Inner tank decks plate (3), is lifted using hoist engine, during lifting, is first vertically hung to the fanning strip of inner canister top plate (3)
The top for the outer tank top plate assembling bracket being located on interior tank bottom (1), after loose hook, installation site is moved to using rolling bar；
11) lifting hanger (8), is installed respectively in the inner side of the outside of Inner tank shells (5), outer tank wallboard (6), by fliping lifting work
The suspension hook system of dress (9) is hung on hanger (8)；
12) the other each band wallboards of inside and outside tank are assembled, using the synchronous fliping lifting of fliping lifting frock (9), inner canister top plate (3),
Outer tank top plate (4) can together be lifted with wallboard, until all wallboards of inside and outside tank are completed；
13), the weld seam between the perfect interior tank shell (5) of welding, outer tank wallboard (6) and interior tank bottom (1), outer tank bottom (2), peace
Fill each mouth of pipe, manhole and other parts；
14) fliping lifting frock, is removed；
15), inspect for acceptance.
2. double-deck Dome roof tank synchronization inversion construction method according to claim 1, it is characterised in that installing outer tank deck
Before the assembling bracket of plate (4), outer tank top plate (4) is fixed on interim steel bracket, interim steel bracket need to keep certain intensity,
And it should keep firm in the assembling of outer tank deck plate；The absolute altitude of interim steel bracket determines that it is marked according to the absolute altitude of outer tank top layer wallboard
Height should be higher 20~50mm than outer tank central deck design spring quantum, to offset the reduction that external tank deck plate (4) camber is shunk in welding
Influence.
3. double-deck Dome roof tank synchronization inversion construction method according to claim 2, it is characterised in that assembled in fanning strip
When, using interim assembling support support fanning strip, the interim support that assembles is set some using annular assembling support along tank center
Group assembling support, portable assembling support can also be made of shaped steel.
4. double-deck Dome roof tank synchronization inversion construction method according to claim 1, it is characterised in that in interior tank bottom
(1), before outer tank bottom (2) laying, cross centre line should be marked on the basis of, and every piece is marked with chalk line by the requirement of material cutting plan
The position line where plate long side, bed board should deploy to carry out from centre to both sides.
5. double-deck Dome roof tank synchronization inversion construction method according to claim 1, it is characterised in that the tank skin in assembling
When plate (5), outer tank wallboard (6), Inner tank shells (5) carry out coaming plate assembling from inner side, and outer tank wallboard (6) carries out coaming plate group from outside
Dress, it should simultaneously be lifted when lifting wallboard using fliping lifting frock or lift Inner tanks after first lifting outer tank.
6. double-deck Dome roof tank synchronization inversion construction method according to claim 1, it is characterised in that the fliping lifting
Frock uses electric block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610269097.5A CN105908843B (en) | 2016-04-26 | 2016-04-26 | A kind of double-deck Dome roof tank synchronization inversion construction method |
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| CN201610269097.5A CN105908843B (en) | 2016-04-26 | 2016-04-26 | A kind of double-deck Dome roof tank synchronization inversion construction method |
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| CN105908843B true CN105908843B (en) | 2018-01-09 |
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| CN107555360B (en) * | 2017-08-04 | 2019-06-28 | 上海二十冶建设有限公司 | The upside-down mounting method for dismounting of cryogenic liquid storage tank |
| CN110303265B (en) * | 2019-07-26 | 2021-05-28 | 中石化第十建设有限公司 | Low-temperature storage tank inner tank top plate construction process and low-temperature storage tank construction process |
| CN112796557B (en) * | 2019-11-13 | 2022-04-01 | 中冶宝钢技术服务有限公司 | Steel storage tank top plate and upper wall plate replacement construction method |
| CN111305627B (en) * | 2020-03-24 | 2021-10-26 | 中化二建集团有限公司 | Concrete tank room construction method |
| CN114939289B (en) * | 2022-06-01 | 2023-12-19 | 中国化学工程第十四建设有限公司 | Flip-chip mounting method of filter press for squeezing and filtering production |
| CN114769929B (en) * | 2022-06-16 | 2022-08-23 | 中国二十二冶集团有限公司 | Construction method for air pressure jacking and inversion of circular storage tank |
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| CN1080580A (en) * | 1992-06-20 | 1994-01-12 | 玉门石油管理局油田建设工程公司 | Centralized Control electric hoist and tank filling process and control device |
| JP2003042394A (en) * | 2001-07-30 | 2003-02-13 | Osaka Gas Co Ltd | Heat-insulating structure for concrete liquid container and heat-insulating layer constructing device |
| CN102162312B (en) * | 2011-03-02 | 2012-08-22 | 中国建筑第七工程局有限公司 | Construction method of tank wall of oil tank |
| CN102296857B (en) * | 2011-05-17 | 2013-07-24 | 中国核工业第五建设有限公司 | Pneumatic jacking construction process at vault of large-scale low-temperature storage tank and balance guide device thereof |
| CN102626850A (en) * | 2012-04-27 | 2012-08-08 | 中国化学工程第四建设有限公司 | Installation process for metal oil tank in cave storage |
| CN102877679B (en) * | 2012-10-28 | 2014-07-30 | 东北石油大学 | Extra-large fiber reinforced plastic (FRP) combined storage tank structure with floating roof, and construction method of storage tank structure |
| CN103015781B (en) * | 2012-12-05 | 2015-07-15 | 中国化学工程第十三建设有限公司 | Method for top lift installation of inner tank and outer tank of double-wall storage tank |
| CN203613854U (en) * | 2013-12-17 | 2014-05-28 | 中国石油天然气第六建设公司 | Automatic balance pneumatic jacking device of tank top of LNG tank |
| CN203613804U (en) * | 2013-12-17 | 2014-05-28 | 中国石油天然气第六建设公司 | Steel arch crown storage tank gas cap inversion construction balance device |
| JP6371169B2 (en) * | 2014-09-04 | 2018-08-08 | 鹿島建設株式会社 | Construction method of storage tank |
| CN204126284U (en) * | 2014-09-05 | 2015-01-28 | 中石化第十建设有限公司 | LNG storage tank outer tank vertical prestressing steel strand tension suspension bracket |
| CN104675171B (en) * | 2015-01-31 | 2017-02-22 | 陕西建工安装集团有限公司 | Construction method for single-piece hoisting of aluminum alloy vault of large vertical storage tank |
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