CN106927353A - LNG storage tank tank inner tube pipe fitting method - Google Patents
LNG storage tank tank inner tube pipe fitting method Download PDFInfo
- Publication number
- CN106927353A CN106927353A CN201710248405.0A CN201710248405A CN106927353A CN 106927353 A CN106927353 A CN 106927353A CN 201710248405 A CN201710248405 A CN 201710248405A CN 106927353 A CN106927353 A CN 106927353A
- Authority
- CN
- China
- Prior art keywords
- tank
- interior conduit
- pulley
- tank interior
- lng storage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/20—Chain, belt, or friction drives, e.g. incorporating sheaves of fixed or variable ratio
Abstract
The invention belongs to LNG storage tank construction field, and in particular to a kind of LNG storage tank tank inner tube pipe fitting method.During in order to solve LNG storage tank tank interior conduit to be lifted using prior art, there is a problem of that the engineering time is long, construction cost is high and work high above the ground risk, the invention discloses a kind of LNG storage tank tank inner tube pipe fitting method.The LNG storage tank tank inner tube pipe fitting method, being included in tank inside carries out prefabricated, installation and arrangement to hanging device, and the lifting by hoist engine to tank interior conduit to tank interior conduit.By using LNG storage tank tank inner tube pipe fitting method of the invention, can not only avoid carrying out the risk of height lifting operation outside storage tank, improve the security of hoisting process, and by that can realize in tank inside lifting the once completion of tank interior conduit to the arrangement of hanging device, so as to reduce the lifting time, lifting construction cost is reduced.
Description
Technical field
The invention belongs to LNG storage tank construction field, and in particular to a kind of LNG storage tank tank inner tube pipe fitting method.
Background technology
During the installation of all LNG storage tanks, can all be related to the installation for tank inside pipeline, such as pin
Installation to feed tube, pump line and various gauge pipes.With 160,000 m3LNG storage tank as a example by, the inner canister diameter of storage tank is about
80 meters, tank inner bottom plating is about more than 40 meters apart from the height of abhiseca, and wherein bottom liquid inlet pipe and pump line are erected in storage tank
Portion, and the outside of abhiseca is vertically extended to by tank inner bottom plating, the length of such bottom liquid inlet pipe and pump line is general 40
Rice or so.
At present, the installation for tank inside pipeline typically completes to install in the interior tank shell and storage tank dome of storage tank
Afterwards, the sleeve pipe by large-scale crane by tank interior conduit from dome outside tank by lifting to tank, then completes the peace to tank interior conduit
Fill and fixed.This method lifted by crane, the inside and outside workmen of storage tank is not required nothing more than, and there is hight coordinate to match somebody with somebody
Conjunction ability, and during the high-altitude that pipeline is hung to more than 40 meters by large-scale crane is put into tank inside afterwards again, exist
Very big work high above the ground risk.Wherein, to 160,000 m3When the feed tube of LNG storage tank is lifted, due to being to enter out of doors
Row operation, and lifting operation radius is big, and hoisting height is high, therefore the usual crane from a 300T carries out lifting operation,
Just can guarantee that the safety and stability of whole hoisting process.Further, since the length of bottom liquid inlet pipe and pump line is on 40 meters of left sides
The right side, and the gross weight of bottom liquid inlet pipe reaches 14T or so, therefore cannot once be completed to bottom liquid inlet pipe in installation process
Lifting, it is necessary to pipeline is segmented repeatedly come and go lifting, pipeline is carried out in layer again in tank inside then
Stacking welding.The engineering time is so not only considerably increased, and extends the use time to large-scale crane, and then increased
The construction cost of Pipe installing.
The content of the invention
During in order to solve to install the tank interior conduit of LNG storage tank using prior art, exist the engineering time it is long, construction
The problem of high cost and work high above the ground risk, the present invention proposes a kind of LNG storage tank tank inner tube pipe fitting method.The LNG is stored up
Tank tank inner tube pipe fitting method, comprises the following steps：
Step S1, prefabricated tanks interior conduit；Tank interior conduit is carried out in tank inside it is prefabricated, and in the upper of the tank interior conduit
End sets at least two hangers, and the hanger is distributed on the outer surface of the tank interior conduit along the circumferencial direction of the tank interior conduit
On；
Step S2, installs hanging device；The hanging device includes hoist engine, first pulley, second pulley and pulley
Component；The hoist engine is located on tank inner bottom plating, and the first pulley is located at the connection position of the tank inner bottom plating and interior tank shell
Put, the second pulley is located on the dome longeron of the interior tank shell, the pulley assembly is located at and the tank inner tube
On the dome longeron of road correspondence sleeve pipe both sides；The rope that the hoist engine stretches out by extending to institute successively after the first pulley
State second pulley and the pulley assembly；By the hoist engine to the retractable operation of the rope, the pulley assembly is controlled
In pulley carry out raising and lowering；
Step S3, lifts tank interior conduit；The rope is dropped to by the tank inner bottom plating by the pulley assembly first
Near, and be fixedly connected with the hanger of the tank interior conduit upper end；Then start hoist engine and reclaim rope, by the tank
Pipeline lift is to vertical state；Finally position is carried out to the tank interior conduit to fix.
Preferably, in the step S1, the lower end position of the tank interior conduit is additionally provided with slipping tail hanger.
It is further preferred that the hanging device also includes crane, the crane is connected with the slipping tail hanger, aids in institute
State lifting operation of the hoist engine completion to the tank interior conduit.
Preferably, in the step S2, the pulley assembly includes a movable pulley and two fixed pulleys, wherein described
Movable pulley is provided with suspension hook；The dome longeron connection of two fixed pulleys sleeve pipe both sides corresponding with the tank interior conduit respectively,
The movable pulley is located on the rope between two fixed pulleys, and perpendicular to the retractable operation edge of rope with the hoist engine
Nogata is ramped up and declined.
It is further preferred that in the step S3, connected by steel wire rope between the hanger of the tank interior conduit upper end,
It is connected with the suspension hook on the movable pulley again.
Preferably, the upper end of the tank interior conduit is provided with least two auxiliary hangers, the tank interior conduit correspondence sleeve pipe two
The dome longeron of side is provided with least two guide chains；When the hoist engine lifts to vertical state the tank interior conduit, and carry
It is raised to when near described sleeve pipe, the guide chain is connected with the auxiliary hanger, and the micro- of locus is carried out to the tank interior conduit
Adjust.
It is further preferred that the upper end of the tank interior conduit is provided with four auxiliary hangers, the dome of described sleeve pipe both sides is indulged
Beam is provided with two guide chains, two floor stringers is provided between the dome longeron of described sleeve pipe both sides, and set on each floor stringer
There is a guide chain.
It is further preferred that the distance between described auxiliary hanger and upper end port of the tank interior conduit are more than the tank
Interior conduit stretches into the length in described sleeve pipe.
Preferably, the position height of the first pulley is highly identical with the rope of the hoist engine.
Preferably, the second pulley is located at same vertical direction with the first pulley
Using LNG storage tank tank inner tube pipe fitting method of the invention, the pipeline in LNG storage tank is installed, with
Lower beneficial effect：
1st, the present invention is to the lifting of tank interior conduit by that will operate in the prior art, by by large-scale crane outside storage tank
The lifting operations improvement that repeatedly comes and goes being segmented is to carry out lifting once to tank interior conduit by hoist engine in tank inside
Operation.So not only eliminate the upper air installing Job Operations carried out outside storage tank by large-scale crane, it is to avoid high-altitude work
The security risk problem existed during industry, and operated by the lifting that hoist engine can once complete pipeline in tank inside, greatly
Reduce the height of lifting operation and commander's difficulty of hoisting process and lifting time greatly, so as to improve lifting efficiency and
The security of hoisting process.
2nd, in the present invention, include that two fixed pulleys and a pulley assembly for movable pulley enter to tank interior conduit by use
Row lifting, makes the 1/3 of the active force only tank interior conduit gross weight that rope finally bears.So not only greatly reduce to lifting
The intensity requirement of equipment, reduces the use cost of hanging device, and further ensures the peace of tank interior conduit hoisting process
Full property and stability.
Brief description of the drawings
Fig. 1 is lifting schematic diagram when being installed to tank interior conduit using the method for the present invention；
Fig. 2 is the attachment structure schematic diagram in Fig. 1 between F directions pulley assembly and tank interior conduit.
Specific embodiment
The technical scheme in the present invention is described in detail below in conjunction with the accompanying drawings.
With reference to shown in Fig. 1 and Fig. 2, using LNG storage tank tank inner tube pipe fitting method of the invention, tank interior conduit is pacified
What is filled concretely comprises the following steps：
Step S1, prefabricated tanks interior conduit.After the interior tank shell 11 to storage tank 1 and storage tank dome 12 complete to install, will
All segmented conduits of tank interior conduit 2 are carried to the inside of storage tank 1.Prefabricated work is carried out to tank interior conduit 2 on tank inner bottom plating 13
Make, and the tank interior conduit 2 for completing prefabricated work is lain in a horizontal plane on tank inner bottom plating 13.So, by the ground to overlength
Pipeline carries out prefabricated work, can reduce operation difficulty, the prefabricated efficiency and prefabricated precision of pipeline is improved, so as to ensure pipeline
Prefabricated quality.Additionally, in the prefabrication process for carrying out tank interior conduit 2, setting at least two in the upper end position of tank interior conduit 2 and hanging
Ear 21, and hanger 21 is distributed on the outer surface of tank interior conduit 2 along the circumferencial direction of tank interior conduit 2.In the present invention, in tank
Two hangers 21 are fixed with the external peripheral surface of interior conduit 2 by way of welding, and two hangers 21 are located at tank inner tube
The two ends of the same diameter in road 2.Equally, according to other tank interior conduits weight and the intensity from hanger, can be in tank inner tube
The upper end circumferencial direction in road 2 sets more hangers 21, so as to reduce the active force that each hanger 21 bears, it is ensured that in tank
The stability and security of the hoisting process of pipeline 2.
Step S2, installs hanging device.Hanging device includes hoist engine 31, first pulley 32, second pulley 33 and slides
Wheel assembly 34.Wherein, hoist engine 31 is fixedly mounted on tank inner bottom plating 13, and first pulley 32 is located at tank inner bottom plating 13 and interior tank skin
The link position of plate 11, second pulley 33 is located on the dome longeron of interior tank shell 11, and pulley assembly 34 is located at sleeve pipe 4
Lower position, and be fixedly connected with the dome longeron 121 of the both sides of sleeve pipe 4.Sleeve pipe 4 is one section of pipeline through dome 12, both may be used
For wearing tank interior conduit 2, and tank interior conduit 2 is protected and position is fixed, such as it is corresponding with gauge pipe and pump line
Sleeve pipe；Can be used for being docked with tank interior conduit 2, realize the connection outside tank interior conduit 2 and storage tank 1, such as with feed tube
Corresponding sleeve pipe.
Preferably, in the present invention, hoist engine 31 is fixed in tank inner bottom plating 13 position for being close to interior tank shell 11, this
Sample can reduce occupancy of the hoist engine 31 to the zone line of tank inner bottom plating 13, in order to have bigger space for prefabricated and placement
Tank interior conduit 2.First pulley 32 is held within tank inner bottom plating 13 and the anchoring hanger of the link position of interior tank shell 11, and
The height and position of first pulley 32 is in same level highly with the rope 311 that hoist engine 31 stretches out, and can so make hoist engine
Rope 311 between 31 and first pulley 32 keeps horizontality.So, in hoisting process, can be subject to hoist engine 31
The pulling force of rope 311 is maintained at horizontality, it is ensured that the stabilization fixation of hoist engine 31.Second pulley 33 is located at first pulley 32
Surface, makes rope 311 between the two keep vertical state.
In the present invention, pulley assembly 34 includes two fixed pulleys 341 and a movable pulley 342, two of which fixed pulley
341 are separately fixed on the dome longeron 121 of the both sides of sleeve pipe 4, and movable pulley 342 is located at the rope 311 between two fixed pulleys 341
On.Along with the retractable operation of rope 311, movable pulley 342 vertically carries out raising and lowering.Additionally, in movable pulley 342
A suspension hook is provided with, is fixedly connected for the upper end to tank interior conduit 2.
The rope 311 that hoist engine 31 stretches out, it is horizontally extending first to first pulley 32, then pass around the first cunning
Take turns 32 and the vertical direction along interior tank shell 11 extends to second pulley 33, then bypass second pulley 33 and extend to pulley assembly
34.In pulley assembly 34, rope 311 first passes around two fixed pulleys 341, is then fixedly connected with movable pulley 342, and will be dynamic
On the rope that pulley 342 is placed between two fixed pulleys 341.So, tank interior conduit 2 is lifted by the pulley assembly 34
During lifting, it is only necessary to apply the active force of the about weight 1/3 of tank interior conduit 2 to rope 311, you can to realize to tank interior conduit
2 lifting operation, so as to substantially reduce the job requirement to hanging device, reduces construction cost.Wherein, to 160,000 m3LNG
When the maximum bottom liquid inlet pipe of weight is lifted in storage tank, it is only necessary to can just be realized to bottom from a hoist engine of 5T
The lifting operation of feed tube.
Step S3, lifts tank interior conduit.First, two hangers of the upper end position of tank interior conduit 2 will be located at by steel wire rope
21 are attached, and tie point is placed in the mouth of pipe position directly above of tank interior conduit 2.Then, hoist engine 31 is started, to rope
311 carry out release operation, and the movable pulley 342 that will be provided with suspension hook is dropped near tank inner bottom plating 13.Then, by movable pulley 342
Suspension hook be fixedly connected with the tie point position of steel wire rope, and be again started up hoist engine 31, recovery behaviour is carried out to rope 311
Make, drive movable pulley 342 to rise, and then tank interior conduit 2 is promoted to vertical state by horizontal positioned state, and by tank interior conduit
2 align with sleeve pipe 4.Finally, position is carried out to tank interior conduit 2 to fix.If feed tube, then by the end portion of feed tube with
Tank inner bottom plating 13 carries out position and fixes.If other need the pipeline through sleeve pipe 4, such as gauge pipe, then by the upper of pipeline
End part is welded and fixed with corresponding sleeve pipe 4.
Preferably, the lower end position in tank interior conduit 2 is additionally provided with slipping tail hanger 22.Now, in hoist engine 31 to tank inner tube
Before road 2 is lifted, a truck crane 35 is opened into the inside into storage tank 1, and be attached with slipping tail hanger 22.Wherein, for
160000 m3The feed tube lifting operation of LNG storage tank, auxiliary lifting requirements can be just met from a truck crane of 25T.So,
During carrying out being promoted to vertical state by horizontal positioned state to tank interior conduit 2 by hoist engine 31, by truck crane
35 pairs of lower ends of tank interior conduit 2 carry out service hoisting, so as to avoid tank interior conduit 2 from dawdling and collide with tank inner bottom plating 13.
Meanwhile, angle is continually changing along with the position height of tank interior conduit 2 and between storage tank bottom plate 13, can also be by vapour
Car hangs the real-time movement of 35 positions, and the change to the lower end position of tank interior conduit 2 is in time adjusted, it is to avoid tank interior conduit 2 is sent out
The problem that life freely swings and collided with tank inside other equipment, so as to ensure tank interior conduit 2 in hoisting process
Stability and security.
Additionally, when being installed to the tank interior conduit for needing to carry out position fixation with sleeve pipe using the method for the present invention.
First, in the prefabrication process of tank interior conduit, at least two are set in the upper end position of tank interior conduit and aids in hanger.Wherein, it is auxiliary
Distance is greater than the length that tank interior conduit stretches into sleeve pipe between helping the upper end port of hanger and tank interior conduit, in order to pass through guide chain
The length that tank interior conduit stretches into inside pipe casing is controlled and adjusted.Meanwhile, set on the dome longeron near sleeve pipe to
Few two chain slings.Then, after the lower position that tank interior conduit is promoted to sleeve pipe by hoist engine, guide chain is carried out with auxiliary hanger
Connection, and remove the connection between pulley assembly and hanger.Then, lifting and the sky of height are carried out to tank interior conduit by guide chain
Between position adjustment, make tank interior conduit keep vertical state and being alignd with the central axis of sleeve pipe.Finally, the auxiliary in guide chain is made
Under, the position completed between tank interior conduit and sleeve pipe is fixed.Preferably, four auxiliary hangings are set in the upper end of tank interior conduit
Ear, and four auxiliary hangers are uniform along the circumferencial direction of tank interior conduit.Meanwhile, two are set between the longeron of sleeve pipe both sides
Floor stringer, a guide chain is respectively provided with two longerons and two floor stringers, the auxiliary hanger for connecting correspondence position.This
Sample can be finely adjusted to the position of tank interior conduit and angle, it is ensured that tank interior conduit when tank interior conduit is fixedly connected with sleeve pipe
The stabilization of position.
In addition, when being installed under different operating modes, the intensity of weight and hanging device according to tank interior conduit, for example
The intensity of the tensile strength of rope and single hanger, can set buttress brace and to assembly pulley between the longeron of sleeve pipe both sides
Pulley quantity and pulley combination mode in part carry out appropriate adjustment, so as to reduce the pulling force of rope, it is ensured that to tank inner tube
The safety and stability of road installation process.
Claims (10)
1. a kind of LNG storage tank tank inner tube pipe fitting method, it is characterised in that the installation method is comprised the following steps：
Step S1, prefabricated tanks interior conduit；Tank interior conduit is carried out in tank inside prefabricated, and set in the upper end of the tank interior conduit
At least two hangers are put, the hanger is distributed on the outer surface of the tank interior conduit along the circumferencial direction of the tank interior conduit；
Step S2, installs hanging device；The hanging device includes hoist engine, first pulley, second pulley and pulley assembly；
The hoist engine is located on tank inner bottom plating, and the first pulley is located at the link position of the tank inner bottom plating and interior tank shell, institute
State second pulley to be located on the dome longeron of the interior tank shell, the pulley assembly is located at corresponding with the tank interior conduit
On the dome longeron of sleeve pipe both sides；The rope that the hoist engine stretches out by extending to described second successively after the first pulley
Pulley and the pulley assembly；By the hoist engine to the retractable operation of the rope, the cunning in the pulley assembly is controlled
Wheel carries out raising and lowering；
Step S3, lifts tank interior conduit；The rope is dropped near the tank inner bottom plating by the pulley assembly first,
And be fixedly connected with the hanger of the tank interior conduit upper end；Then start hoist engine and reclaim rope, by the tank interior conduit
It is promoted to vertical state；Finally position is carried out to the tank interior conduit to fix.
2. LNG storage tank tank inner tube pipe fitting method according to claim 1, it is characterised in that in the step S1, institute
The lower end position for stating tank interior conduit is additionally provided with slipping tail hanger.
3. LNG storage tank tank inner tube pipe fitting method according to claim 2, it is characterised in that the hanging device is also wrapped
Crane is included, the crane is connected with the slipping tail hanger, aid in the hoist engine to complete the lifting operation to the tank interior conduit.
4. LNG storage tank tank inner tube pipe fitting method according to claim 1, it is characterised in that in the step S2, institute
Stating pulley assembly includes a movable pulley and two fixed pulleys, wherein the movable pulley is provided with suspension hook；Two fixed pulleys
The dome longeron connection of sleeve pipe both sides corresponding with the tank interior conduit respectively, the movable pulley is located between two fixed pulleys
Rope on, and with the hoist engine to the retractable operation of rope vertically raising and lowering.
5. LNG storage tank tank inner tube pipe fitting method according to claim 4, it is characterised in that in the step S3, institute
State and connected by steel wire rope between the hanger of tank interior conduit upper end, then be connected with the suspension hook on the movable pulley.
6. the LNG storage tank tank inner tube pipe fitting method according to any one in claim 1-5, it is characterised in that described
The upper end of tank interior conduit is provided with least two auxiliary hangers, the dome longeron of the tank interior conduit correspondence sleeve pipe both sides be provided with to
Few two guide chains；When the hoist engine lifts to vertical state the tank interior conduit, and lifted during near described sleeve pipe, institute
State guide chain to be connected with the auxiliary hanger, the fine setting of locus is carried out to the tank interior conduit.
7. LNG storage tank tank inner tube pipe fitting method according to claim 6, it is characterised in that the tank interior conduit it is upper
End is provided with four auxiliary hangers, and the dome longeron of described sleeve pipe both sides is provided with two guide chains, and the dome of described sleeve pipe both sides is indulged
Two floor stringers are provided between beam, and each floor stringer is provided with a guide chain.
8. LNG storage tank tank inner tube pipe fitting method according to claim 6, it is characterised in that the auxiliary hanger and institute
State the length that the distance between upper end port of tank interior conduit is stretched into described sleeve pipe more than the tank interior conduit.
9. the LNG storage tank tank inner tube pipe fitting method according to any one in claim 1-5, it is characterised in that described
The position height of first pulley is highly identical with the rope of the hoist engine.
10. the LNG storage tank tank inner tube pipe fitting method according to any one in claim 1-5, it is characterised in that described
Second pulley is located at same vertical direction with the first pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248405.0A CN106927353B (en) | 2017-04-17 | 2017-04-17 | LNG storage tank tank inner tube pipe fitting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710248405.0A CN106927353B (en) | 2017-04-17 | 2017-04-17 | LNG storage tank tank inner tube pipe fitting method |
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| CN106927353A true CN106927353A (en) | 2017-07-07 |
| CN106927353B CN106927353B (en) | 2018-10-26 |
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| CN201710248405.0A Active CN106927353B (en) | 2017-04-17 | 2017-04-17 | LNG storage tank tank inner tube pipe fitting method |
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| CN107601274A (en) * | 2017-11-03 | 2018-01-19 | 中国能源建设集团广东火电工程有限公司 | A kind of slipping tail hanging apparatus and slipping tail hanging method |
| CN108715397A (en) * | 2018-07-27 | 2018-10-30 | 深圳市施罗德工业测控设备有限公司 | A kind of service hoisting cable suitable for pipe crawling device |
| CN109052264A (en) * | 2018-10-08 | 2018-12-21 | 广东大鹏液化天然气有限公司 | A kind of LNG storage tank tank skin wall maintenance auxiliary hanging device |
| CN109607392A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of LNG ship cargo tank gas vault hanging object device and its application method |
| CN112240431A (en) * | 2019-09-09 | 2021-01-19 | 南京扬子石油化工设计工程有限责任公司 | Method for installing pipeline in vertical storage tank |
| CN112830407A (en) * | 2021-01-22 | 2021-05-25 | 中建安装集团有限公司 | Hoisting method of petrochemical device module in engineering structure |
| CN115108464A (en) * | 2022-05-31 | 2022-09-27 | 中国化学工程第三建设有限公司 | Double-layer tank inner tank wall plate hoisting assembly device and assembly method |
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Cited By (10)
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|---|---|---|---|---|
| CN107601274A (en) * | 2017-11-03 | 2018-01-19 | 中国能源建设集团广东火电工程有限公司 | A kind of slipping tail hanging apparatus and slipping tail hanging method |
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| CN109052264A (en) * | 2018-10-08 | 2018-12-21 | 广东大鹏液化天然气有限公司 | A kind of LNG storage tank tank skin wall maintenance auxiliary hanging device |
| CN109052264B (en) * | 2018-10-08 | 2024-04-09 | 广东大鹏液化天然气有限公司 | LNG storage tank wall maintenance auxiliary hoisting equipment |
| CN109607392A (en) * | 2018-10-31 | 2019-04-12 | 沪东中华造船(集团)有限公司 | A kind of LNG ship cargo tank gas vault hanging object device and its application method |
| CN112240431A (en) * | 2019-09-09 | 2021-01-19 | 南京扬子石油化工设计工程有限责任公司 | Method for installing pipeline in vertical storage tank |
| CN112240431B (en) * | 2019-09-09 | 2021-06-04 | 南京扬子石油化工设计工程有限责任公司 | Method for installing pipeline in vertical storage tank |
| CN112830407A (en) * | 2021-01-22 | 2021-05-25 | 中建安装集团有限公司 | Hoisting method of petrochemical device module in engineering structure |
| CN115108464A (en) * | 2022-05-31 | 2022-09-27 | 中国化学工程第三建设有限公司 | Double-layer tank inner tank wall plate hoisting assembly device and assembly method |
| CN115108464B (en) * | 2022-05-31 | 2023-08-04 | 中国化学工程第三建设有限公司 | Double-layer tank inner tank wall plate hoisting assembly device and assembly method |
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| Publication number | Publication date |
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| CN106927353B (en) | 2018-10-26 |
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