DK153821B - BALL TANK, LIKE A TANK FOR STORAGE AND TRANSPORT OF LIQUID GAS WHICH TANK IS INSTALLED IN A SHIP - Google Patents

BALL TANK, LIKE A TANK FOR STORAGE AND TRANSPORT OF LIQUID GAS WHICH TANK IS INSTALLED IN A SHIP Download PDF

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Publication number
DK153821B
DK153821B DK521370AA DK521370A DK153821B DK 153821 B DK153821 B DK 153821B DK 521370A A DK521370A A DK 521370AA DK 521370 A DK521370 A DK 521370A DK 153821 B DK153821 B DK 153821B
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DK
Denmark
Prior art keywords
tank
ball
skirt
ring
ship
Prior art date
Application number
DK521370AA
Other languages
Danish (da)
Other versions
DK153821C (en
Inventor
Olav Solberg
Ragnar Bognaes
Original Assignee
Kvaerner Brug Kjoleavdelning
Moss Rosenberg Verft As
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kvaerner Brug Kjoleavdelning, Moss Rosenberg Verft As filed Critical Kvaerner Brug Kjoleavdelning
Publication of DK153821B publication Critical patent/DK153821B/en
Application granted granted Critical
Publication of DK153821C publication Critical patent/DK153821C/en

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Classifications

    • 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
    • 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
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/08—Mounting arrangements for vessels
    • F17C13/082—Mounting arrangements for vessels for large sea-borne storage vessels
    • 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
    • F17C2201/0128—Shape spherical or elliptical
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/037—Containing pollutant, e.g. H2S, Cl
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/901—Liquified gas content, cryogenic

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Description

iin

DK 153821 BDK 153821 B

Ved separat lejring af kugletanke i skibe er det væsentligt at tilvejebringe en god overgang med ringe excentricitet mellem lejringskonstruktionen og tankskallen i den hensigt at undgå spændingskoncentrationer.In the separate storage of bullet tanks in ships, it is essential to provide a good transition with low eccentricity between the bearing structure and the tank shell in order to avoid stress concentrations.

5 Særlig er udførelsen af overgangen mellem lejring og tank væsentlig, når det drejer sig om tanke, som skal føre nedkølet last, såsom flydende gas, f.eks. methan, ethylen, chlor eller lignende gasarter.In particular, the execution of the transition between storage and tank is essential in the case of tanks which must carry refrigerated cargo, such as liquid gas, e.g. methane, ethylene, chlorine or similar gases.

Det er også væsentligt at undgå svejsefejl i 10 overgangsområdet, og svejseforbindelserne bør derfor også udføres på en sådan måde, at de kan kontrolleres.It is also important to avoid weld failures in the transition zone and therefore the weld connections should also be carried out in such a way that they can be checked.

Ifølge den foreliggende opfindelse er der tilvejebragt en kugletank, såsom en tank til oplagring og transport af flydende gas, hvilken tank er monteret i 15 et skib ved hjælp af et vertikalt tankskørt, hvis ene ende er fastsvejst til tanken, og hvis anden ende er fastsvejst til skibets skrog, og det for kugletanken ifølge opfindelsen ejendommelige er, at i kugletankens horisontale ækvatorialplan består en del af 20 tankens væg af en i denne indsvejst ring, der har sin inderside anbragt i flugt med tankens inderside, og som med sin yderside rager uden for tanken, og at tankskørtet er svejst sammen med ringens udragende del.According to the present invention there is provided a ball tank, such as a liquid gas storage and transport tank, which tank is mounted in a ship by means of a vertical tank skirt, one end of which is welded to the tank and the other end of which is welded to the hull of the ship, and it is peculiar to the ball tank according to the invention that in the horizontal equatorial plane of the ball tank, part of the wall of the tank consists of one in this welded ring which has its inside aligned with the inside of the tank and which protrudes without its outside. for the tank and that the tank skirt is welded together with the protruding part of the ring.

Ved en monteret tank samvirker det vertikale 25 tankskørt med den del af ringen, som rager ud fra tankvæggen. Indsvejsningen af ringen kan ske fra begge sider, og svejsesømmene kan kontrolleres.In a mounted tank, the vertical tank skirt cooperates with the part of the ring protruding from the tank wall. The ring can be welded from either side and the weld seams can be checked.

Ifølge opfindelsen er der mellem tankskørtet og tankvæggen i ringens udragende del udformet et spor> som 30 følger kugletankens kontur. Dette spor er udført med et tilnærmelsesvis halvelliptisk tværsnit, som er dimensioneret og udformet efter spændingsbilledet i dette område. Tankskørtet samvirker med det uden for sporet dannede fremspring og kan hensigtsmæssigt være fast-35 svejst til ringen i dette område. Fastsvejsningen mel-According to the invention, a groove> 30 which follows the contour of the ball tank is formed between the tank skirt and the tank wall in the protruding part of the ring. This trace is made with an approximately semi-elliptical cross-section, which is dimensioned and shaped according to the stress image in this area. The tank skirt cooperates with the outwardly formed projection and may conveniently be welded to the ring in this area. The welding between

DK 153821 BDK 153821 B

2 lem skørtet og ringen sker i afstand fra tankvæggen, så at der tilvejebringes en pålidelig svejsning, som kan kontrolleres.2, the skirt and ring are spaced away from the tank wall to provide a reliable, controllable weld.

For at få en jævn overgang i konstruktionen har 5 ringen fortrinsvis en affasning på sin bort fra tankskørtet vendende side.In order to achieve a smooth transition in the structure, the ring preferably has a bevel on its side facing away from the tank skirt.

En udførelsesform for opfindelsen forklares herefter nærmere med henvisning til tegningen, hvor fig. 1 viser et skematisk snit efter linien I-I 10 i fig. 2 gennem et skib med en i skibsskroget lejret kugletank, fig. 2 det i fig. 1 viste set fraoven, og fig. 3 i større målestok et snit i det med en pil III i fig. 1 antydede område.An embodiment of the invention will now be explained in more detail with reference to the drawing, in which: FIG. 1 shows a schematic section along line I-I 10 of FIG. 2 through a ship with a ball tank stored in the ship's hull; FIG. 2 shows the embodiment of FIG. 1, and FIG. 3 is an enlarged sectional view thereof with an arrow III in FIG. 1 indicated area.

15 I fig. 1 er skibsskroget betegnet med 1. IIn FIG. 1, the hull of the ship is denoted by 1. I

rummet 2 er der lejret en kugleformet tank 3 ved hjælp af et skørt 4, som i dette tilfælde strækker sig ned til skråvægge 5, 6, 7 og 8 i rummet 2 og er fastsvejst til skroget.In the space 2, a spherical tank 3 is mounted by means of a skirt 4, which in this case extends down to inclined walls 5, 6, 7 and 8 in the space 2 and is welded to the hull.

20 Skørtet 4 er forbundet med kugletanken 3 i dennes ækvatorialplan 9. I dette område er der i kugletanken 3 indsvejst en ring 10, hvortil skørtet 4's overkant er fastsvejst. Denne konstruktion er vist nærmere i fig. 3.The skirt 4 is connected to the ball tank 3 in its equatorial plane 9. In this area, a ring 10 is welded in the ball tank 3 to which the upper edge of the skirt 4 is welded. This construction is shown in more detail in FIG. Third

25 I fig. 3 er ringen 10 vist i snit, og skørtet 4 og kugletankskallen er også vist gennemskåret.In FIG. 3, the ring 10 is shown in section and the skirt 4 and the ball tank shell are also shown cut through.

Ringen 10 er fremstillet af stangstål, hvori der er udformet et omløbende spor 11, hvorefter stangstålet er bøjet til cirkelform og indsvejst i kugletan-30 ken 3, således som det fremgår af fig. 3. Svejsesømmene mellem kugletanken 3 og ringen 10 er betegnet med henholdsvis 12 og 13.The ring 10 is made of bar steel in which a circular groove 11 is formed, after which the bar steel is bent into a circular shape and welded into the ball tank 3, as can be seen in FIG. 3. The weld seams between the ball tank 3 and the ring 10 are designated 12 and 13 respectively.

Ringen 10 har i den ydre overkant en affasning 14. Uden for sporet 11, der er beliggende således, at 35 det strækker sig rundt om tankens kontur, er der dannetThe ring 10 has a bevel 14. In the outer upper edge 14. Outside of the groove 11, which is arranged so that it extends around the contour of the tank, is formed.

Claims (4)

15 Med den viste udførelse opnås der en jævn og god overføring af kræfter i overgangskonstruktionen mellem skørt og tank, og overgangskonstruktionen egner sig særlig godt til tanke beregnet til at indeholde nedkø-lede laste, f.eks. flydende gas af typen methan etc. 20With the embodiment shown, a smooth and good transfer of forces is achieved in the transition structure between skirt and tank, and the transition structure is particularly suitable for tanks intended to contain refrigerated loads, e.g. liquid gas of the methane type etc. 20 1. Kugletank, såsom en tank til oplagring og transport af flydende gas, hvilken tank (3) er monteret i et skib ved hjælp af et vertikalt tankskørt (4), 25 hvis ene ende er fastsvejst til tanken (3), og hvis anden ende er fastsvejst til skibets skrog (1), kendetegnet ved, at i kugletankens (3) horisontale ækvatorialplan (9) består en del af tankens (3) væg af en i denne indsvejst ring (10), der har sin in-30 derside anbragt i flugt med tankens (3) inderside, og som med sin yderside rager uden for tanken (3), og at tankskørtet (4) er svejst sammen med ringens (10) udragende del (15).A ball tank, such as a liquid gas storage and transport tank, which tank (3) is mounted in a ship by means of a vertical tank skirt (4), one end of which is welded to the tank (3) and the other end is welded to the hull (1) of the ship, characterized in that in the horizontal equatorial plane (9) of the ball tank (3), a portion of the wall (3) of the tank (3) consists of an inner weld (10) having its inside aligned with the inside of the tank (3) and projecting with its outside outside the tank (3) and the tank skirt (4) being welded together with the projecting portion (15) of the ring (10). 2, Kugletank ifølge krav 1, kendeteg-35 net ved, at der mellem tankskørtet (4) og tankvæggen DK 153821 B i ringens (10) udragende del (15) er anbragt et spor (11)» som følger kugletankens (3) kontur.2, A ball tank according to claim 1, characterized in that a groove (11) »which follows the contour of the ball tank (3) is arranged between the tank skirt (4) and the tank wall DK 153821 B in the projecting part (15) of the ring (10). . 3. Kugletank ifølge krav 2, kendetegnet ved, at sporet (11) har et tilnærmelsesvis halvelliptisk 5 tværsnit dimensioneret og udformet efter spændingsbilledet i området omkring sporet.Ball tank according to claim 2, characterized in that the groove (11) has an approximately semi-elliptical cross-section dimensioned and formed according to the tension image in the area around the groove. 4. Kugletank ifølge krav 2, kendetegnet ved, at ringen (10) har en affasning (14) på sin bort fra tankskørtet (4) vendende side.Ball ball according to claim 2, characterized in that the ring (10) has a bevel (14) on its side facing away from the tank skirt (4).
DK521370A 1969-10-18 1970-10-14 BALL TANK, LIKE A TANK FOR STORAGE AND TRANSPORT OF LIQUID GAS WHICH TANK IS INSTALLED IN A SHIP DK153821C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO4146/69A NO124472B (en) 1969-10-18 1969-10-18
NO414669 1969-10-18

Publications (2)

Publication Number Publication Date
DK153821B true DK153821B (en) 1988-09-12
DK153821C DK153821C (en) 1989-02-13

Family

ID=19880105

Family Applications (1)

Application Number Title Priority Date Filing Date
DK521370A DK153821C (en) 1969-10-18 1970-10-14 BALL TANK, LIKE A TANK FOR STORAGE AND TRANSPORT OF LIQUID GAS WHICH TANK IS INSTALLED IN A SHIP

Country Status (11)

Country Link
US (1) US3677021A (en)
JP (1) JPS5011615B1 (en)
BE (1) BE757663A (en)
DE (1) DE2050779C2 (en)
DK (1) DK153821C (en)
ES (1) ES384658A1 (en)
FR (1) FR2066106A5 (en)
GB (1) GB1317939A (en)
NL (1) NL7015248A (en)
NO (1) NO124472B (en)
SE (1) SE371980B (en)

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ES2308864T3 (en) * 1999-01-11 2008-12-01 Nippon Aluminium Co. Ltd TANK TYPE CONTAINER FOR POLYCARBONATE RESIN GRANULES AND TRANSPORTATION METHOD OF POLYCARBONATE RESIN GRANULES USING THE CONTAINER.
US9528659B2 (en) * 2010-10-04 2016-12-27 Amtrol Licensing Inc. Plastic stand and method of attachment to a pressure vessel
BR112015025794A2 (en) * 2013-04-23 2017-07-25 Kawasaki Heavy Ind Ltd Liquefied gas tanker and carrier tank support structure
JP6027678B2 (en) 2013-04-23 2016-11-16 川崎重工業株式会社 Ship double shell tank structure and liquefied gas carrier
JP2015217749A (en) * 2014-05-15 2015-12-07 川崎重工業株式会社 Ship body support structure of liquefied gas tank, and liquefied gas carrier
EP3032161A1 (en) 2014-12-12 2016-06-15 Shell Internationale Research Maatschappij B.V. Containment system for liquified gases
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Also Published As

Publication number Publication date
FR2066106A5 (en) 1971-08-06
US3677021A (en) 1972-07-18
GB1317939A (en) 1973-05-23
DK153821C (en) 1989-02-13
DE2050779C2 (en) 1985-08-08
SE371980B (en) 1974-12-09
NO124472B (en) 1972-04-24
DE2050779A1 (en) 1971-05-13
NL7015248A (en) 1971-04-20
BE757663A (en) 1971-04-01
ES384658A1 (en) 1973-07-16
JPS5011615B1 (en) 1975-05-02

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