KR20130000742A - Upper deck plate with knuckle of membrane lng carrier and membrane lng storage unit - Google Patents

Upper deck plate with knuckle of membrane lng carrier and membrane lng storage unit Download PDF

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Publication number
KR20130000742A
KR20130000742A KR1020110061451A KR20110061451A KR20130000742A KR 20130000742 A KR20130000742 A KR 20130000742A KR 1020110061451 A KR1020110061451 A KR 1020110061451A KR 20110061451 A KR20110061451 A KR 20110061451A KR 20130000742 A KR20130000742 A KR 20130000742A
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KR
South Korea
Prior art keywords
knuckle
deck
longitudinal
natural gas
bulkhead
Prior art date
Application number
KR1020110061451A
Other languages
Korean (ko)
Inventor
김영복
Original Assignee
현대중공업 주식회사
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Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to KR1020110061451A priority Critical patent/KR20130000742A/en
Publication of KR20130000742A publication Critical patent/KR20130000742A/en

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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 
    • 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
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/48—Decks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece

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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

PURPOSE: A knuckle strength deck for a membrane liquefied natural gas carrier is provided to obtain the weight lightening of a ship and to increase work efficiency by excluding work in a narrow place. CONSTITUTION: A knuckle strength deck for a membrane liquefied natural gas carrier(110) comprises a knuckle part(111). The knuckle part is obliquely formed in the end of the strength deck adjacent to a longitudinal bulkhead(30). The longitudinal bulkhead is arranged in the upper part of a cargo tank of a membrane liquefied natural gas carrier. The knuckle part forms a space in which longitudinal frames(31) are arranged to a connection part of the strength deck and the longitudinal bulkhead at a predetermined interval. The longitudinal frames are connected to the longitudinal bulkhead.

Description

Upper deck plate with knuckle of membrane LNG carrier and membrane LNG storage unit}

The present invention relates to a knuckle-type strong deck of a thin film liquefied natural gas line, and in particular, the knuckle portion inclined at a predetermined angle is formed at the end of the strong deck connected to the longitudinal inclined bulkhead at the upper part of the cargo hold, the strong deck and the longitudinal inclination The present invention relates to a knuckle-type strong deck of a thin-film liquefied natural gas line that can reduce the production cost and maintenance cost of a ship by simplifying and lightening the structure between bulkheads.

Generally, natural gas produced at the production base is transported to the consumer through the pipe or to the consumer by the liquefied natural gas ship.However, the transport method through the pipe such as the electronic has a lot of difficulties in the installation and maintenance of the pipe. The transport of natural gas using liquefied natural gas is preferred.

On the other hand, if the natural gas produced at the production base is cooled to cryogenic temperature (approximately -163 ℃) and liquefied, its volume is reduced to approximately 1/600 than in the gas state, so that natural gas is carried to transport a large amount of natural gas. It is cooled to cryogenic temperature and stored in the cargo hold provided in the liquefied natural gas ship.

On the other hand, cargo holds provided in liquefied natural gas ships are classified into an independent tank type and a membrane type, and the thin film type is preferred because it is cheaper and has improved safety than an independent tank type.

1 is a cross-sectional view showing a cargo hold structure of a conventional thin film liquefied natural gas line, Figure 2 is a detailed view of the 'A' portion of Figure 1, Figure 3 is a layout structure of a bracket provided between the conventional strong deck and the longitudinal inclined bulkhead. The top view shown is shown.

The liquefied natural gas line is provided with an octagonal cargo hold 10 integrated with the hull to store the liquefied natural gas, and a trunk deck, a strong deck, a stringer, a double bottom and the like are provided around the cargo hold 10. Structures around the cargo hold are reinforced with longitudinal and transverse frames to ensure sufficient load capacity.

On the other hand, because the acute angle is formed at the lower portion where the strong deck 20 and the longitudinal inclined bulkhead 30 at the upper portion of the cargo hold meet, the longitudinal ribs 21 of the strong deck 20 and the longitudinal inclined bulkhead 30 are Interference phenomena occur between (31). For this reason, the longitudinal ribs 31 of the longitudinal inclined bulkheads 30 are not disposed, and the edges are reinforced with separate transverse ribs 40.

However, the edge portion where the transverse ribs 40 are installed is not easy to work because the place is very narrow, and because a large number of transverse ribs must be installed, a lot of time and materials are used for the work, and the weight of the ship is increased. There is a problem that impedes economic operation.

The present invention has been made in consideration of the above problems, and an object of the present invention is to create a space for the arrangement of longitudinal ribs between the strong deck and the longitudinal inclined bulkhead, the existing transverse for additional reinforcement of the longitudinal inclined bulkhead By eliminating all the ribs, the structure is simplified to reduce the manufacturing cost and maintenance cost of the ship, and to provide a knuckle-type strong deck of liquefied natural gas gas line to make the ship lighter.

Knuckle-type strong deck of the thin film liquefied natural gas line of the present invention to achieve the object as described above and to perform the problem to eliminate the conventional defects is strongly connected to the longitudinal inclined bulkhead provided on the cargo hold of the thin film liquefied natural gas line. As a deck, the strong deck is formed with a knuckle formed to be inclined at an end adjacent to the longitudinally inclined bulkhead, and the knuckle is connected to the longitudinally inclined bulkhead so that the longitudinal ribs provided on the longitudinally inclined bulkhead are formed of the strong deck and the longitudinally inclined bulkhead. It is characterized in that it is configured to form a space to be arranged at regular intervals to the connecting portion.

Meanwhile, the knuckle portion may be formed by bending the end portion of the plate constituting the strong deck through a pressing process.

Meanwhile, the angle θ2 between the knuckle portion and the strong deck may be formed at the same angle as the inclination angle θ1 of the longitudinal inclined bulkhead, and may be connected at an angle perpendicular to the longitudinal inclined bulkhead.

According to the present invention having the above characteristics, by using a knuckle-type strong deck bent end formed by forming a space for the arrangement of longitudinal ribs at the connection portion of the strong deck and the longitudinal inclined bulkhead, Longitudinal ribs can be formed at intervals, thereby eliminating the need for the installation of transverse members installed on strong decks and longitudinally inclined bulkheads, eliminating work in narrow places, increasing work efficiency, and reducing ship weight. There is an effect that can be planned.

1 is a cross-sectional view showing a cargo hold structure of a conventional thin film LNG gas line,
2 is a detailed view of portion 'A' of FIG. 1;
Figure 3 is a plan view showing the arrangement of the bracket installed between the conventional strong deck and the longitudinal inclined bulkhead,
4 is a cross-sectional view showing a cargo hold structure of a thin film type LNG gas line equipped with a knuckle type strong deck according to a preferred embodiment of the present invention;
5 is a detailed view of the 'B' portion of FIG.
6 is a plan view of the strong deck according to the invention,
Figure 7 is a detailed side view showing a state in which the knuckle portion according to the invention connected in a vertical structure to the longitudinal inclined bulkhead.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Figure 4 is a cross-sectional view showing a cargo hold structure of a thin film type LNG gas line equipped with a knuckle-type strong deck according to a preferred embodiment of the present invention, Figure 5 is a detailed view 'B' of Figure 4, Figure 6 is a present invention A plan view of the powerful deck is shown.

Knuckle-type strong deck 110 of the present invention is connected to the longitudinal inclined bulkhead 30 provided on the upper cargo hold 10 of the thin film liquefied natural gas line, at a predetermined angle to the end portion close to the longitudinal inclined bulkhead 30 The knuckle portion 111 having an inclined structure is formed so that an angle close to a right angle is formed at the connection portion of the strong deck 110 and the longitudinal inclined bulkhead 30. As such, when the angle close to the right angle is formed between the strong deck 110 and the longitudinally inclined bulkhead 30 using the knuckle-type strong deck 110, it is installed to reinforce the strength of the longitudinally inclined bulkhead 30. Since the longitudinal ribs 31 are formed to form a space at regular intervals up to the connecting portion of the strong deck 110 and the longitudinal inclined bulkhead 30, there is no need for a separate reinforcement structure. The installation of 2) can be eliminated.

On the other hand, the knuckle portion 111 may be formed by welding a separate plate to the strong deck 110, but the mechanical properties of the plate can be changed by the heat of welding, the end of the plate at a predetermined angle through the pressing process It is preferable to form the knuckle portion 111 in such a manner as to be inclined.

Figure 7 shows a detailed side view showing a state in which the knuckle portion is connected in a vertical structure to the longitudinal inclined bulkhead according to the present invention.

When the angle θ2 between the knuckle portion 111 and the strong deck 110 is formed at the same angle as the inclination angle θ1 of the longitudinal inclined bulkhead 30, the knuckle portion 111 may be a longitudinal inclined bulkhead ( Since it is connected at an angle perpendicular to (orthogonal) 30, it is possible to form the most ideal space between the strong deck 110 and the longitudinal inclined partition wall (30).

In the case of the knuckle-type strong deck 110 of the present invention configured as described above, since it provides a wider working space than the conventional connection portion of the strong deck 110 and the longitudinal inclined bulkhead 30, the strong deck 110 and the longitudinal There is an advantage that the work such as welding for the connection of the directional inclined bulkhead 30 can be carried out more easily, and as described above, by eliminating the use of the transverse ribs, manpower, time and materials for the installation of the transverse ribs can be eliminated. It can be reduced, and there is an advantageous advantage in lightening the vessel.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents. Of course, such modifications are within the scope of the claims.

Description of the Related Art
(10): Cargo holds (20): Heavy deck
30: longitudinal inclined bulkhead 40: transverse rib
(110): knuckle-type strong deck (111): knuckle part

Claims (3)

In the strong deck 110 is connected to the longitudinal inclined bulkhead 30 provided on the upper portion of the cargo hold 10 of the thin film type LNG gas,
The strong deck 110 has a knuckle portion 111 formed to be inclined at an end portion close to the longitudinally inclined bulkhead 30, and the knuckle portion 111 is connected to the longitudinally inclined bulkhead 30 to be inclined longitudinally. Knuckle type thin film liquefied natural gas line characterized in that the longitudinal ribs 31 provided on the partition wall 30 is configured to form a space to be arranged at regular intervals to the connection of the strong deck 110 and the longitudinal inclined partition wall 30 Strong deck. The method of claim 1,
The knuckle portion 111 is a knuckle-type strong deck of the thin film-type liquefied natural gas line, characterized in that formed by bending the end portion of the plate constituting the powerful deck 110 through a pressing process. The method of claim 1,
The angle θ2 between the knuckle portion 111 and the strong deck 110 is formed at the same angle as the inclination angle θ1 of the longitudinally inclined bulkhead 30 so that the knuckle portion 111 is the longitudinally inclined bulkhead 30. Knuckle-type powerful deck of thin film liquefied natural gas line, characterized in that connected at an angle perpendicular to the.
KR1020110061451A 2011-06-24 2011-06-24 Upper deck plate with knuckle of membrane lng carrier and membrane lng storage unit KR20130000742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110061451A KR20130000742A (en) 2011-06-24 2011-06-24 Upper deck plate with knuckle of membrane lng carrier and membrane lng storage unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110061451A KR20130000742A (en) 2011-06-24 2011-06-24 Upper deck plate with knuckle of membrane lng carrier and membrane lng storage unit

Publications (1)

Publication Number Publication Date
KR20130000742A true KR20130000742A (en) 2013-01-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9716250B2 (en) 2013-05-13 2017-07-25 Samsung Display Co., Ltd Organic electroluminescent display
KR20210113125A (en) 2016-10-07 2021-09-15 최해용 Non motorized Omni-directional Walking System Device
CN113928482A (en) * 2021-11-29 2022-01-14 沪东中华造船(集团)有限公司 Thin film type LNG ship cargo hold structure applied to inland river

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9716250B2 (en) 2013-05-13 2017-07-25 Samsung Display Co., Ltd Organic electroluminescent display
KR20210113125A (en) 2016-10-07 2021-09-15 최해용 Non motorized Omni-directional Walking System Device
CN113928482A (en) * 2021-11-29 2022-01-14 沪东中华造船(集团)有限公司 Thin film type LNG ship cargo hold structure applied to inland river

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E601 Decision to refuse application