CN109606539A - A kind of LNG ship cryogenic pipe systems air compressor roll-in installation method - Google Patents
A kind of LNG ship cryogenic pipe systems air compressor roll-in installation method Download PDFInfo
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- CN109606539A CN109606539A CN201811291021.8A CN201811291021A CN109606539A CN 109606539 A CN109606539 A CN 109606539A CN 201811291021 A CN201811291021 A CN 201811291021A CN 109606539 A CN109606539 A CN 109606539A
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- Prior art keywords
- compressor
- pedestal
- hole
- installation method
- lng ship
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of LNG ship cryogenic pipe systems air compressor roll-in installation method, which includes: that the first hole is opened up on the ceiling of Machine Room;The base stand location line of compressor is drawn on dome deck;Pedestal is hung in from the first hole;Pedestal is weldingly fixed at the base stand location line drawn on dome deck, is drilled with screw hole on the base;Transmitting seat is hung in from the first hole;Transmitting seat is weldingly fixed on dome deck close to pedestal;Several round tubes are set on pedestal and transmitting seat, hanging ring is installed inside the ceiling of motor chamber;Compressor is hung in from the first hole, compressor is placed on the round tube of transmitting seat, connects one end of rope on the compressor, the other end of rope sequentially passes through the second hole, hanging ring and traction device on transverse bulkhead and connects;Traction device pulls wirerope, so that compressor is moved to above pedestal.Beneficial effects of the present invention be by compressor it is safe and reliable, be accurately installed in place.
Description
Technical field
The invention belongs to shipbuilding technical fields, and in particular to a kind of LNG ship cryogenic pipe systems air compressor rolls into
Formula installation method.
Background technique
LNG ship transport is liquified natural gas, has nature boiling characteristics.This part volatilization gas belongs to exhaust gas, passes through
After cryogenic system processing, exhaust gas utilization may be implemented, provide fuel to ship power system.In cryogenic system, air compressor
It is that will volatilize gas to be compressed to reach the important equipment of fuel pressure.Compressor is normally on dome deck, and is mounted on
Cargo machinery chamber interior.Cargo Machine Room belongs to cuboid steel construction, is divided with ceiling deck, four sides wall and by one of transverse bulkhead
It is segmented into two rooms in Machine Room and motor chamber.In design, cryogenic pipe systems air compressor installation by adhering is in segmentation room
On transverse bulkhead, the web flanging and transverse bulkhead corner connection that equipment itself has are welded, and equipment motor is located at motor chamber at one end, presses
Contracting machine one end is located at Machine Room.
Due to compressor category import equipment, the arrival time is usually lagged, this is just to build to bring Railway Project: firstly,
How in the case where room lifting terminates, enter compressor inside it.Secondly as compressor category expensive equipment, does not permit
Permitted damage of colliding with, transport will guarantee safe and reliable in the room.Finally, the final installation site of compressor is insertion transverse bulkhead,
How to guarantee accurately to be installed in place, making structural edge and the accurate corner connection of equipment web flanging is also problem to be solved.
In conclusion lack at present one kind can after cargo Machine Room room caping, it is safe and reliable, accurately will pressure
The method that contracting machine is sent into room, is installed in place also lacks the production decision of reply equipment arrival time lag.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of LNG ship cryogenic pipe systems air compressor and rolls into
Formula installation method, the present invention can first install cargo Machine Room when lagging the equipment arrival time, after by cryogenic pipe systems air
Compressor is safe and reliable, it is mechanical indoor to be accurately sent into cargo and is installed in place.
To achieve the above object, the invention adopts the following technical scheme:
A kind of LNG ship cryogenic pipe systems air compressor roll-in installation method, the installation method include:
The first hole is opened up on the ceiling of Machine Room;
The base stand location line of compressor is drawn on dome deck;
Pedestal is hung in from the first hole;
Pedestal is weldingly fixed at the base stand location line drawn on dome deck, is drilled with screw hole on the base;
Transmitting seat is hung in from the first hole;
Transmitting seat is weldingly fixed on dome deck close to pedestal;Close to the position of pedestal positioning transmitting seat, fixation can be used
The positioning that transmitting seat is controlled with channel steel removes transmitting seat after the transport for completing compressor;
Several round tubes are set on pedestal and transmitting seat, hanging ring is installed inside the ceiling of motor chamber;
Compressor is hung in from the first hole, by the motor on compressor towards motor chamber, compressor is placed on to the circle of transmitting seat
Guan Shang, connects one end of rope on the compressor, and the other end of rope sequentially passes through the second hole, hanging ring and traction on transverse bulkhead
Device connection;The second hole on transverse bulkhead is to complete aperture setting in the segmentation fabrication stage;
Traction device pulls wirerope, so that compressor is moved to above pedestal, so that the web of compressor is in the second hole;
It will be bolted between pedestal by adjusting on compressor;
Adjustment adjusts bolt and makes compressor horizontal;
Epoxy resin is poured between compressor and pedestal;
Structure pasting board is welded between the second hole and web.
It is described will transmitting seat be weldingly fixed on dome deck close to pedestal before, comprising:
Mowing pedestal upper surface, so that pedestal upper surface is horizontal.
The mowing pedestal upper surface, so that pedestal upper surface is horizontal, comprising:
Several angle steel of spot welding around base stand location line, the height of angle steel are greater than the height of pedestal;
Horizontal line delimited on angle steel by level meter;
Several oceans are knocked out on a horizontal to rush a little;
Horizontal plane is determined according to ocean punching point bracing wire;
Pedestal upper surface is modified according to horizontal plane.
The traction device is chain block.
The traction device pulls before wirerope, comprising:
The second hole on mowing transverse bulkhead.The steel plate at top and bottom i.e. to the second hole is cut, the steel bar width of cutting
In 25-40mm.
It is described pour epoxy resin between compressor and pedestal before, comprising:
The pipe module matched with compressor is hung in from the first hole;
Pipe module and compressor are assembled;
The height for adjusting compressor, so that the interface centering of pipe module and compressor.
It is described structure pasting board is welded between the second hole and web after, comprising:
Air tight test is carried out to the weld seam of structure pasting board.
The air tight test is examined using vacuum (-tight) housing detection device or using PT.
Compared with prior art, the invention has the benefit that
1, the present invention in the form of the universal design of current LNG ship for rely on, for special equipment invented it is a kind of it is safe and reliable,
Accurate installation method, it is practical through practice test, the important production node of compressor apparatus installation is realized on schedule;
2, indoor transporting and installation method of the present invention about expensive equipment has extensive versatility;
3, the present invention cooperates round tube slowly to pull compressor by transmitting seat, the installation site so that compression function arrives safe and sound.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is overall structure diagram of the invention.
Welding schematic diagram of the Fig. 2 between web of the invention and structure pasting board, the second hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
As shown in Figs. 1-2, the present embodiment provides a kind of LNG ship cryogenic pipe systems air compressor roll-in installation method,
The installation method includes:
The first hole 10 is opened up on the ceiling of Machine Room;
12 position line of pedestal of compressor 15 is drawn on dome deck 11;
Pedestal 12 is hung in from the first hole 10;
Pedestal 12 is weldingly fixed at 12 position line of pedestal drawn on dome deck 11, is drilled with screw hole on pedestal 12;
Transmitting seat 13 is hung in from the first hole 10;
Transmitting seat 13 is weldingly fixed on dome deck 11 close to pedestal 12;
Several round tubes are set on pedestal 12 and transmitting seat 13, hanging ring 14 is installed inside the ceiling of motor chamber;
Compressor 15 is hung in from the first hole 10, by the motor on compressor 15 towards motor chamber, compressor 15 is placed on biography
On the round tube for passing seat 13, one end of rope is connected on compressor 15, the other end of rope sequentially passes through second on transverse bulkhead
Hole 16, hanging ring 14 are connect with traction device;
Traction device pulls wirerope, so that compressor 15 is moved to 12 top of pedestal, so that the web 17 of compressor 15 is in
In second hole 16;
It will be bolted between pedestal 12 by adjusting on compressor 15;
Adjustment adjusts bolt and makes compressor 15 horizontal;
Epoxy resin is poured between compressor 15 and pedestal 12;
Structure pasting board 18 is welded between the second hole 16 and web 17.
As further preferred, transmitting seat 13 is weldingly fixed on dome deck 11 close to pedestal 12 described in the present embodiment
Before, comprising:
12 upper surface of mowing pedestal, so that 12 upper surface of pedestal is horizontal.
As further preferred, 12 upper surface of mowing pedestal described in the present embodiment, so that 12 upper surface of pedestal is horizontal, packet
It includes:
Several angle steel of spot welding around 12 position line of pedestal, the height of angle steel are greater than the height of pedestal 12;
Horizontal line delimited on angle steel by level meter;
Several oceans are knocked out on a horizontal to rush a little;
Horizontal plane is determined according to ocean punching point bracing wire;
12 upper surface of pedestal is modified according to horizontal plane.
As further preferred, traction device described in the present embodiment is chain block.
As further preferred, traction device described in the present embodiment is pulled before wirerope, comprising:
The second hole 16 on mowing transverse bulkhead.
As further preferred, before pouring epoxy resin between compressor 15 and pedestal 12 described in the present embodiment, packet
It includes:
The pipe module matched with compressor 15 is hung in from the first hole 10;
Pipe module and compressor 15 are assembled;
The height for adjusting compressor 15, so that the interface centering of pipe module and compressor 15.
As further preferred, structure pasting board 18 is welded between the second hole 16 and web 17 it described in the present embodiment
Afterwards, comprising:
Air tight test is carried out to the weld seam of structure pasting board 18.
As further preferred, air tight test described in the present embodiment is examined using vacuum (-tight) housing detection device or using PT
It tests.
Although above-described embodiment makes specific descriptions to the present invention, come for those of ordinary skill in the art
It says, it is understood that can be modified within spirit and scope of the invention based on present disclosure not departing from
Or improve, these modification and improvement are all within spirit and scope of the invention.
Claims (8)
1. a kind of LNG ship cryogenic pipe systems air compressor roll-in installation method, which is characterized in that the installation method includes:
The first hole (10) are opened up on the ceiling of Machine Room;
Pedestal (12) position line of compressor (15) is drawn on dome deck (11);
Pedestal (12) are hung in from the first hole (10);
Pedestal (12) is weldingly fixed at pedestal (12) position line drawn on dome deck (11), is drilled on pedestal (12)
Screw hole;
Transmitting seat (13) is hung in from the first hole (10);
Transmitting seat (13) is weldingly fixed on dome deck (11) close to pedestal (12);
Several round tubes are set on pedestal (12) and transmitting seat (13), hanging ring (14) are installed inside the ceiling of motor chamber;
Compressor (15) are hung in from the first hole (10), by the motor on compressor (15) towards motor chamber, by compressor (15)
It is placed on the round tube of transmitting seat (13), one end of rope is connected on compressor (15), the other end of rope sequentially passes through cross
The second hole (16), hanging ring (14) on bulkhead are connect with traction device;
Traction device pulls wirerope, so that compressor (15) is moved to above pedestal (12), so that the web of compressor (15)
(17) in the second hole (16);
It will be bolted between pedestal (12) by adjusting on compressor (15);
Adjustment adjusts bolt and makes compressor (15) horizontal;
Epoxy resin is poured between compressor (15) and pedestal (12);
Structure pasting board (18) is welded between the second hole (16) and web (17).
2. LNG ship cryogenic pipe systems air compressor roll-in installation method according to claim 1, which is characterized in that
It is described will transmitting seat (13) be weldingly fixed on dome deck (11) close to pedestal (12) before, comprising:
Mowing pedestal (12) upper surface, so that pedestal (12) upper surface is horizontal.
3. LNG ship cryogenic pipe systems air compressor roll-in installation method according to claim 2, which is characterized in that
Mowing pedestal (12) upper surface, so that pedestal (12) upper surface is horizontal, comprising:
Several angle steel of spot welding around pedestal (12) position line, the height of angle steel are greater than the height of pedestal (12);
Horizontal line delimited on angle steel by level meter;
Several oceans are knocked out on a horizontal to rush a little;
Horizontal plane is determined according to ocean punching point bracing wire;
Pedestal (12) upper surface is modified according to horizontal plane.
4. LNG ship cryogenic pipe systems air compressor roll-in installation method according to claim 1, which is characterized in that
The traction device is chain block.
5. LNG ship cryogenic pipe systems air compressor roll-in installation method according to claim 1, which is characterized in that
The traction device pulls before wirerope, comprising:
The second hole (16) on mowing transverse bulkhead.
6. LNG ship cryogenic pipe systems air compressor roll-in installation method according to claim 1, which is characterized in that
It is described pour epoxy resin between compressor (15) and pedestal (12) before, comprising:
The pipe module matched with compressor (15) is hung in from the first hole (10);
Pipe module and compressor (15) are assembled;
The height for adjusting compressor (15), so that the interface centering of pipe module and compressor (15).
7. wanting 1 to seek the LNG ship cryogenic pipe systems air compressor roll-in installation method according to right, which is characterized in that
It is described structure pasting board (18) is welded between the second hole (16) and web (17) after, comprising:
Air tight test is carried out to the weld seam of structure pasting board (18).
8. LNG ship cryogenic pipe systems air compressor roll-in installation method according to claim 7, which is characterized in that
The air tight test is examined using vacuum (-tight) housing detection device or using PT.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811291021.8A CN109606539B (en) | 2018-10-31 | 2018-10-31 | Roll-in type installation method for air compressor of low-temperature pipe system of LNG ship |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811291021.8A CN109606539B (en) | 2018-10-31 | 2018-10-31 | Roll-in type installation method for air compressor of low-temperature pipe system of LNG ship |
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CN109606539A true CN109606539A (en) | 2019-04-12 |
CN109606539B CN109606539B (en) | 2020-11-20 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103101604A (en) * | 2011-11-13 | 2013-05-15 | 中国葛洲坝集团机械船舶有限公司 | Liquefied gas transport ship |
CN103189273A (en) * | 2010-08-25 | 2013-07-03 | 瓦特西拉石油和天然气***有限公司 | A method and arrangement for providing LNG fuel for ships |
CN103569311A (en) * | 2012-07-19 | 2014-02-12 | 烟台中集来福士海洋工程有限公司 | Propeller installing and positioning device and propeller underwater installing method |
CN107187545A (en) * | 2017-05-22 | 2017-09-22 | 南通中远船务工程有限公司 | The installation method of gas compression Module functionality unit |
CN107264721A (en) * | 2017-05-22 | 2017-10-20 | 南通中远船务工程有限公司 | The installation method of gas compression module |
-
2018
- 2018-10-31 CN CN201811291021.8A patent/CN109606539B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103189273A (en) * | 2010-08-25 | 2013-07-03 | 瓦特西拉石油和天然气***有限公司 | A method and arrangement for providing LNG fuel for ships |
CN103101604A (en) * | 2011-11-13 | 2013-05-15 | 中国葛洲坝集团机械船舶有限公司 | Liquefied gas transport ship |
CN103569311A (en) * | 2012-07-19 | 2014-02-12 | 烟台中集来福士海洋工程有限公司 | Propeller installing and positioning device and propeller underwater installing method |
CN107187545A (en) * | 2017-05-22 | 2017-09-22 | 南通中远船务工程有限公司 | The installation method of gas compression Module functionality unit |
CN107264721A (en) * | 2017-05-22 | 2017-10-20 | 南通中远船务工程有限公司 | The installation method of gas compression module |
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CN109606539B (en) | 2020-11-20 |
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