WO2016006940A1 - 앵커 구조체 및 상기 앵커 구조체를 포함하는 액화천연가스 저장탱크 - Google Patents
앵커 구조체 및 상기 앵커 구조체를 포함하는 액화천연가스 저장탱크 Download PDFInfo
- Publication number
- WO2016006940A1 WO2016006940A1 PCT/KR2015/007113 KR2015007113W WO2016006940A1 WO 2016006940 A1 WO2016006940 A1 WO 2016006940A1 KR 2015007113 W KR2015007113 W KR 2015007113W WO 2016006940 A1 WO2016006940 A1 WO 2016006940A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- anchor
- sealing wall
- wall
- support rod
- storage tank
- Prior art date
Links
- 239000003949 liquefied natural gas Substances 0.000 title claims abstract description 78
- 238000003860 storage Methods 0.000 title claims abstract description 74
- 238000007789 sealing Methods 0.000 claims abstract description 109
- 239000011810 insulating material Substances 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims description 34
- 238000003466 welding Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 10
- 238000005304 joining Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005192 partition Methods 0.000 description 11
- 229920005830 Polyurethane Foam Polymers 0.000 description 6
- 239000011496 polyurethane foam Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011120 plywood Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Images
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
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/06—Coverings, e.g. for insulating purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
-
- 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
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/12—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge with provision for thermal insulation
-
- 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
- F17C13/081—Mounting arrangements for vessels for large land-based 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
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/083—Mounting arrangements for vessels for medium-sized mobile storage vessels, e.g. tank vehicles or railway tank vehicles
-
- 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
- F17C3/00—Vessels not under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/03—Thermal insulations
- F17C2203/0304—Thermal insulations by solid means
- F17C2203/0329—Foam
- F17C2203/0333—Polyurethane
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0604—Liners
-
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0619—Single wall with two layers
-
- 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
- F17C2205/0103—Exterior arrangements
- F17C2205/0119—Vessel walls form part of another structure
-
- 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
- F17C2205/0192—Details of mounting arrangements with external bearing means
-
- 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0146—Two-phase
- F17C2225/0153—Liquefied gas, e.g. LPG, GPL
- F17C2225/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, 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
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
- F17C2225/033—Small pressure, e.g. for liquefied gas
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/044—Avoiding pollution or contamination
-
- 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
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
Definitions
- the present invention relates to an anchor structure and a liquefied natural gas storage tank including the anchor structure.
- liquefied natural gas is a liquefied natural gas
- one of the fossil fuels, liquefied natural gas storage tank is a land storage tank or a vehicle installed on the ground or buried in the ground depending on the installation location It is divided into a mobile storage tank installed in a vehicle, such as a ship.
- the above-described liquefied natural gas has a risk of explosion when exposed to an impact, and is stored at an extremely low temperature.
- the storage tank storing the liquefied natural gas has a structure in which impact resistance and liquid tightness are firmly maintained.
- liquefied natural gas storage tanks installed in automobiles and ships with flow should be prepared for mechanical stress caused by flow.
- the liquefied natural gas storage tank installed in the ship provided with a countermeasure against mechanical stress can be used in the land storage tank, of course, the present invention describes the structure of the liquefied natural gas storage tank installed in the vessel as an example.
- FIG. 1 is a view showing a portion of an example liquefied natural gas storage tank according to the prior art.
- secondary insulation walls 22 and 42 and primary insulation walls 24 and 44 are sequentially installed on the bottom surface of the hull.
- Secondary sealing walls 23 and 43 are provided between the heat insulating walls 22 and 42 and the primary heat insulating walls 24 and 44 to seal them.
- a primary sealing wall 50 is installed above the primary insulating walls 24 and 44.
- the storage tank 10 of liquefied natural gas configured as described above includes a corner structure 20 installed at an inner corner portion, an anchor structure 30 installed at regular intervals on a bottom surface, and the corner structure 20 or It includes a planar structure 40 is inserted between the anchor structure 30 so as to be slidably installed.
- the corner structure 20, the anchor structure 30, the planar structure 40 is a pre-fabricated in each unit module, and then assembled to the storage tank 10, the primary sealing wall 50 It is installed thereon to seal the insulation wall, thereby providing a space for storing LNG in the inner space.
- the corner structure 20, the anchor structure 30, and the planar structure 40 may be formed of respective primary insulation walls 24, 34, 44, secondary insulation walls 22, 32, 42, and secondary sealing walls ( 23, 43), which are collectively defined as the heat insulating wall structures (20, 30, 40).
- each of the insulating wall structure (20, 30, 40) is formed integrally by bonding the contact surface of the secondary sealing wall and the insulating wall of each unit module with an adhesive.
- the secondary insulating walls 22 and 42 are made of a polyurethane foam, which is an insulating material, and a plate attached to the bottom thereof.
- the primary insulating walls 24 and 44 are made of a polyurethane foam and a plate attached to the upper portion with an adhesive.
- the primary heat insulation walls 24, 34, and 44 are installed on the secondary heat insulation walls 22, 32, and 42.
- a flange 42a formed larger than the secondary heat insulation wall 42 is formed at the lower end of the secondary heat insulation wall 42 of the planar structure 40.
- the flange 42a is inserted into the groove portion formed at the lower end of the anchor structure 30, and is installed to allow some sliding movement.
- each anchor structure 30 has an anchor support rod 36, a fixing member 37 located below, an anchor secondary insulation wall 32, and an anchor primary insulation wall 34. Secondary sealing walls 23 and 43 are connected between the primary heat insulating wall 32 and the anchor primary heat insulating wall 34.
- One end of the anchor support rod 36 is connected to the primary sealing wall 50 and the other end is connected to the hull inner wall 420 by the fixing member 37.
- the anchor structure 30 is the primary sealing wall 50 is welded to the upper end of the anchor support rod 36 is coupled.
- the anchor structure 30 is located at the connection point of the adjacent planar structure 40 and interconnected with each other, the planar structure 40 is the hull inner wall 420 or the partition wall 440 constituting the storage tank 10 It is fixed to).
- the fixing member 37 of the anchor structure 30 is installed around the anchor support rod 36.
- FIGS. 2 and 3 is a view showing an anchor member of another example liquefied natural gas storage tank according to the prior art
- Figure 3 is a view showing a part of another example liquefied natural gas storage tank according to the prior art.
- the anchor member 110 of another example of the LNG storage tank according to the prior art has a truncated cone shape having a flat top portion.
- the truncated cone-shaped anchor member 110 the upper surface side is closed while the lower surface side is open, and has a body of a shape that widens toward the inner surface of the storage tank.
- a fixing portion 112 for fixing the anchor member 110 on the inner surface of the storage tank, that is, the surface of the inner wall or the partition wall is formed.
- the fixing part 112 is formed with a plurality of through holes 112a at regular intervals, and accordingly, the plurality of stud bolts are fixed to the inner surface of the storage tank 10 in the through holes 112a. 61 can be inserted and fixed by the nut 62 (see FIG. 3).
- a step is formed at an upper portion of the conical body 111 of the anchor member 110 to form two joining portions 113 and 114, and a first sealing film 51 is welded to the first joining portion 113 by welding. It is fixedly mounted and the 2nd sealing film 52 is fixedly mounted by welding to the 2nd junction part 114. As shown in FIG.
- the liquefied natural gas storage tank according to the related art of FIG. 1 is composed of a primary heat insulating wall structure and a secondary heat insulating wall and a primary and secondary sealing wall, which is not only complicated in structure but also a structure for connecting a secondary sealing wall It is complicated and the work of the insulation wall is not easy. In addition, the structure and installation work of the anchor portion or the connecting portion of the secondary sealing wall is difficult, there is a fear that the problem of the reliability of the sealing of LNG to the secondary sealing wall (leakage) may occur.
- the liquefied natural gas storage tank according to the prior art of FIG. 2 and 3 is fixed to the joint and the fixing part of the anchor member, so that active stress caused by the hull deformation and stress concentration of the insulation system subjected to the load of LNG cannot be solved.
- active stress caused by the hull deformation and stress concentration of the insulation system subjected to the load of LNG cannot be solved.
- the shape of the anchor member is complicated and the manufacturability is poor.
- An object of the present invention is to provide an anchor structure and an anchor member of a liquefied natural gas storage tank which can improve the ease and manufacturability of the installation work, and can actively cope with the hull deformation and can solve the stress concentration of the insulation system subjected to LNG load. To provide.
- the anchor structure for connecting the sealing wall and the inner wall of the LNG storage tank configured to be joined to the sealing wall to slide in a horizontal direction absence; And a heat insulating material formed around the anchor member, wherein the sealing wall includes a primary sealing wall directly in contact with the liquefied natural gas and a secondary sealing wall positioned below the primary sealing wall, and the junction of the anchor member.
- An anchor structure to which the primary sealing wall and the secondary sealing wall are joined is provided.
- the junction part may include a first junction part to which the secondary sealing wall is bonded and a second junction part to which the primary sealing wall is bonded.
- a support plate material may be installed between the primary sealing wall and the secondary sealing wall to maintain a constant distance apart.
- the anchor member includes an anchor support rod through the anchor structure; And an anchor support plate vertically connected to the anchor support rod and positioned above the insulation.
- the first joining portion is composed of a first cap portion to which the secondary sealing wall is joined and a first flange portion extending radially from a lower end of the first cap portion, wherein the first flange portion contacts the anchor supporting plate, but the anchor It may not be fixed to the support plate.
- the anchor member further includes an anchor support cap comprising a second cap portion and a second flange portion extending radially from a lower end of the second cap portion, wherein the second flange portion covers the first flange portion and the second flange portion.
- the edge of can be fixed to the anchor support plate by welding.
- the anchor member may include an anchor support rod that penetrates the anchor structure, and the anchor structure may further include an anchor support bolt cap positioned under the insulation and having a through hole through which the anchor support rod may pass. have.
- the lower portion of the anchor support rod is formed with a screw groove so that the lower portion of the anchor support rod may be coupled to the anchor member fixing nut after passing through the through hole.
- a storage tank for storing liquefied natural gas the heat insulating wall is installed on the inner wall of the storage tank to form a heat insulating layer;
- a sealing wall installed on an upper surface of the insulating wall to seal the liquefied natural gas;
- a storage tank is provided, comprising an anchor structure connecting the inner wall of the storage tank and the sealing wall, wherein the anchor structure includes an anchor member configured to be able to slide in a horizontal direction with a joint joined to the sealing wall.
- the sealing wall includes a primary sealing wall directly in contact with the liquefied natural gas and a secondary sealing wall positioned below the primary sealing wall, and the joining part includes a first joining part to which the secondary sealing wall is joined and the first sealing wall.
- the second sealing portion may include a second bonding portion to which the sealing wall is bonded.
- the anchor structure further includes a heat insulating material formed around the anchor member, the anchor member includes an anchor support rod passing through the anchor structure; And an anchor support plate vertically connected to the anchor support rod and positioned above the insulation.
- the first joining portion is composed of a first cap portion to which the secondary sealing wall is joined and a first flange portion extending radially from a lower end of the first cap portion, wherein the first flange portion contacts the anchor supporting plate, but the anchor It may not be fixed to the support plate.
- the anchor member may further include an anchor support cap including a second cap portion and a second flange portion extending radially from a lower end of the second cap portion.
- the second flange portion may cover the first flange portion and the edge of the second flange portion may be fixed to the anchor support plate by welding.
- the anchor structure further includes a heat insulating material formed around the anchor member, the anchor member includes an anchor support rod passing through the anchor structure, the anchor structure is located below the heat insulating material, and the anchor support rod penetrates. It may further include an anchor support bolt cap formed with a through hole.
- the lower portion of the anchor support rod is formed with a screw groove so that the lower portion of the anchor support rod may be coupled to the anchor member fixing nut after passing through the through hole.
- the anchor portion which is joined to the sealing wall and the anchor support passing through the anchor structure
- An anchor member including a rod; A heat insulating material formed around the anchor member and having a first through hole through which the anchor support rod can pass; And an anchor support bolt cap positioned below the heat insulating material and configured of a cap part having a second through hole through which the anchor support rod can penetrate, and a flange portion extending radially from a lower end of the cap part.
- the lower portion of the anchor support rod is formed in the lower portion through the first through hole and the second through hole and then coupled with the anchor member fixing screw is fixed to the anchor support bolt cap, the anchor support rod is
- An anchor structure is provided, which can move up and down.
- the anchor structure includes a first anchor lower plate attached to a lower end of the heat insulator; A second anchor lower plate further positioned below the first anchor lower plate, wherein the anchor support bolt cap may be inserted between the first anchor lower plate and the second lower plate.
- the first anchor lower plate has a third through hole through which the anchor support rod can pass
- the second anchor lower plate has a fourth through hole through which the anchor support rod can pass
- the third through hole and The fourth through hole may have a size such that the anchor supporting rod, the first anchor lower plate, and the second anchor lower plate may be spaced apart from each other.
- a storage tank for storing liquefied natural gas the heat insulating wall is installed on the inner wall of the storage tank to form a heat insulating layer;
- a sealing wall installed on an upper surface of the insulating wall to seal the liquefied natural gas;
- An anchor structure connecting the inner wall of the storage tank and the sealing wall, wherein the anchor structure includes an anchor member including an anchor support rod passing through the anchor structure, and the anchor support rod may move up and down.
- the anchor structure may include a heat insulating material formed around the anchor member and having a first through hole through which the anchor support rod may pass; And an anchor support bolt cap positioned below the heat insulating material and configured of a cap part having a second through hole through which the anchor support rod can penetrate, and a flange portion extending radially from a lower end of the cap part.
- a screw groove is formed at a lower portion thereof so that the lower portion of the anchor supporting rod may pass through the first through hole and the second through hole, and may be coupled to an anchor member fixing screw to be fixed to the anchor support bolt cap.
- the anchor structure includes a first anchor lower plate attached to the bottom of the heat insulating material; A second anchor lower plate further positioned below the first anchor lower plate, wherein the anchor support bolt cap may be inserted between the first anchor lower plate and the second lower plate.
- the first anchor lower plate has a third through hole through which the anchor support rod can pass
- the second anchor lower plate has a fourth through hole through which the anchor support rod can pass
- the third through hole and The fourth through hole may have a size such that the anchor supporting rod, the first anchor lower plate, and the second anchor lower plate may be spaced apart from each other.
- the bonding portion joined to the sealing wall may be configured to slide in a horizontal direction.
- the bonding portion joined to the sealing wall is configured to slide in a horizontal direction
- Anchor members A heat insulating material formed around the anchor member;
- a first anchor lower plate attached to a lower end of the insulation;
- a second anchor lower plate positioned below the first anchor lower plate;
- a reinforcing plate inserted between the first anchor lower plate and the second anchor lower plate.
- a storage tank for storing liquefied natural gas the heat insulating wall is installed on the inner wall of the storage tank to form a heat insulating layer;
- a sealing wall installed on an upper surface of the insulating wall to seal the liquefied natural gas;
- An anchor structure connecting the inner wall of the storage tank and the sealing wall, wherein the anchor structure includes an anchor member configured to slide in a horizontal direction with a junction portion joined to the sealing wall, a heat insulating material formed around the anchor member, and
- a storage tank comprising a first anchor bottom plate attached to the bottom of the insulation, a second anchor bottom plate positioned below the first anchor bottom plate, and a reinforcement plate inserted between the first anchor bottom plate and the second anchor bottom plate.
- the joining portion of the anchor member joined to the sealing wall can be slid horizontally to actively cope with the hull deformation, and the lower portion of the anchor supporting rod can move up and down so that The stress concentration of the adiabatic system under load can be eliminated.
- a metal reinforcing plate may be installed between the first anchor lower plate and the second anchor lower plate to improve the strength of the anchor structure.
- FIG. 1 is a view showing a portion of an example liquefied natural gas storage tank according to the prior art.
- FIG. 2 is a view showing an anchor member of another example liquefied natural gas storage tank according to the prior art.
- FIG 3 is a view showing a part of a liquefied natural gas storage tank of another example according to the prior art.
- FIG. 4 is a cross-sectional view of an exemplary ship equipped with a liquefied natural gas storage tank according to an embodiment of the present invention.
- FIG. 5 is an enlarged cross-sectional view of a portion of a liquefied natural gas storage tank according to an embodiment of the present invention.
- FIG. 6 is a plan view of an anchor structure according to an embodiment of the present invention.
- FIG. 7 is a cross-sectional view of the anchor structure according to an embodiment of the present invention.
- FIG 8 is an exploded view of an anchor structure according to an embodiment of the present invention.
- FIG. 9 is a cross-sectional view of the anchor member according to an embodiment of the present invention.
- FIG. 10 is an enlarged view of a portion A of FIG. 5.
- FIG. 11 is an enlarged view of a portion B of FIG. 5.
- FIG. 12 is a flowchart illustrating a method of manufacturing a liquefied natural gas storage tank according to an embodiment of the present invention.
- FIG. 4 is a cross-sectional view of an exemplary vessel in which a liquefied natural gas storage tank is installed according to an embodiment of the present invention
- FIG. 5 is a portion of a liquefied natural gas storage tank according to an embodiment of the present invention, more specifically, a heat insulation wall portion. It is an enlarged cross section.
- the liquefied natural gas storage tank according to the present invention can be installed in the vessel 400, the vessel 400 of the outer wall 410 and the outer wall 410 forming the outer appearance It is made of a hull having a dual structure of the inner wall 420 formed therein.
- the inner wall 420 and the outer wall 410 of the vessel 400 are integrally formed by being connected by the connecting rib 430, and may be made of a hull of a single structure in which the inner wall 420 does not exist in some cases. have.
- only the upper portion of the vessel 400 may be formed as a single deck, the appearance of the vessel 400 may vary in shape depending on the difference in size or storage capacity.
- an interior of the inner wall 420 may be divided by one or more partition walls 440, and the partition walls 440 may form a cofferdam.
- the sealing wall 480 may be formed to wrinkle the liquid liquefied natural gas (LNG) stored in the storage tank, in contact with the liquefied natural gas (LNG), in response to the temperature change according to the loading of the cryogenic LNG.
- the sealing wall 480 is connected to the inner wall 420 or the partition 440 of the ship 400 by the plurality of anchor structures 450. Thus, the sealing wall 480 is not free to move relative to the hull.
- the insulating wall structure (460, 450, 470) is a module constituting the layer of the insulating wall is located.
- the insulation wall structures 460, 450, and 470 are positioned between the inner wall 420 or the inner partition 440 and the sealing wall 480 to form an insulation wall that insulates the storage tank 10.
- the heat insulation wall structure (460, 450, 470) is each composed of a module, the corner structure 460 located in the corner portion, the anchor structure 450, the corner structure 460 or the inner wall of the hull is installed at regular intervals or It consists of a planar structure 470 installed in the plane between the anchor structure (450).
- the sealing wall 480 is mainly supported by the anchor structure 450, and the planar structure 470 supports only the load of LNG received by the sealing wall 480, and has a direct coupling relationship with the sealing wall 480. none.
- the anchor structure 450 is installed on the inner wall 420 or the partition 440 of the storage tank and is fixed by the anchor member penetrating the anchor structure 450.
- planar structure 470 is inserted between the anchor structure 450 or the corner structure 460, and is installed on the inner wall 420 of the tank by a plurality of connecting means. That is, the planar structure 470 is installed by fastening the flat lower plate of the planar structure 470 with a nut to a stud bolt which is welded to the inner wall 420 of the hull.
- the planar structure 470 may have a gap (1 to 4mm) spaced a predetermined distance from the side of the corner structure 460 or the anchor structure 450, the gap formed in this way the planar structure 470 when the hull is deformed It provides a space for flow to absorb the amount of deformation. Accordingly, the planar structure 470 may be slightly moved (sliding) in the horizontal direction with respect to the bottom surface.
- the planar structure 470 includes a planar lower plate 471 that is in contact with the inner wall 420, a planar heat insulating material 472 formed on the planar lower plate 471, and a planar upper part formed on the planar heat insulating material 472. Plate 473.
- the flat lower plate 471 and the flat upper plate 473 is made of a plywood material
- the planar insulation 472 is formed of a polyurethane foam (Polyurethane Form).
- a sealing wall 480 that is in direct contact with the liquefied natural gas is installed at the upper portion of the heat insulation wall structures 450 and 470.
- the sealing wall 480 is composed of a double structure, that is, the primary sealing wall 481 directly in contact with the LNG and the secondary sealing wall 482 under the primary sealing wall 481, and the primary sealing wall 481 and The secondary sealing walls 482 are disposed to be spaced apart from each other by a predetermined height. Since the sealing wall 480 may be slightly stretched or contracted due to temperature change, in this case, the primary sealing wall 481 and the secondary sealing wall 482 may be broken by contact, so that the primary sealing may not be in contact with each other.
- a support plate 483 is provided to maintain a constant distance between the wall 481 and the secondary sealing wall 155.
- a plurality of wrinkles are formed in the sealing wall 480 to prevent breakage and shrinkage during stretching.
- the pleats may be stretched or shrunk by temperature changes according to the loading of the LNG to prevent breakage due to thermal deformation applied to the sealing wall 480.
- the sealing wall 480 is fixed to the anchor member of the anchor structure 450 by welding.
- the sealing wall 480 is described as having a double structure of the primary sealing wall 481 and the secondary sealing wall 482, but may be stacked in a multi-layer structure of three or more layers.
- FIG. 6 is a plan view of the anchor structure according to an embodiment of the present invention
- Figure 7 is a cross-sectional view of the anchor structure according to an embodiment of the present invention
- Figure 8 is an exploded view of the anchor structure according to an embodiment of the present invention
- Figure 9 Is a cross-sectional view of the anchor member according to an embodiment of the present invention
- FIG. 10 is an enlarged view of a portion A of FIG. 5
- FIG. 11 is an enlarged view of a portion B of FIG. 5.
- the anchor structure is the anchor member 710, the first anchor top plate 720, the second anchor top plate 730, the heat insulating material 740, A first anchor bottom plate 750, an anchor support bolt cap 760, a second anchor bottom plate 770, and an anchor member retaining nut 780.
- the anchor member 710 is a member for connecting the inner wall and the sealing wall of the liquefied natural gas storage tank to fix the sealing wall.
- the anchor member according to the embodiment of the present invention is configured to be able to slide in the horizontal direction the junction portion in contact with the sealing wall. Therefore, as the joint slides in the horizontal direction when the ship is shaken, it is possible to actively cope with the hull deformation.
- the anchor member 710 includes a first joint 711, a second joint 712, an anchor support cap 713, an anchor support plate 714, and an anchor support rod 715. do.
- the anchor support rod 715 and the anchor support plate 714 are vertically connected by welding.
- the first joining portion 711 is a portion to which the secondary sealing wall 482 is bonded, and includes a cap portion to which the secondary sealing wall 482 is bonded and a flange portion extending radially from the lower end of the cap portion.
- the first abutment 711 lies on the anchor support plate 714 and the first flange portion of the first abutment 711 abuts the anchor support plate 714, but the first abutment 711 is attached to the anchor support plate 714. It is not fixed.
- An anchor support cap 713 is then placed on the first junction 711, and the edge of the anchor support cap 713 is fixed by welding with the anchor support plate 714.
- the anchor support cap 713 is composed of a cap portion and a flange portion extending radially from the bottom of the cap portion, and as shown in FIG. 9, the edge of the flange portion of the anchor support cap 713 is welded to the anchor support plate 714 by welding. ), The flange portion of the anchor support cap 713 covers the flange portion of the first joining portion 711. Therefore, the first junction 711 may slide in the horizontal direction in the anchor support cap 713. That is, when the ship shakes, as the first joint part 711 slides in the horizontal direction, it is possible to actively cope with the hull deformation.
- the second junction 712 is a portion where the primary sealing wall 481 is joined, and is positioned above the first junction 711.
- the second junction 712 may be fixed to the upper portion of the first junction 711 by welding.
- the anchor structure 450 is connected to the liquefied natural gas storage tank. It is installed in the inner wall, and after fixing the secondary sealing wall 482 to the first junction 711 by welding, the second junction 712 is fixed to the upper portion of the first junction 711 by welding,
- the primary sealing wall 481 can be fixed to the 2 junction part 712 by welding.
- the anchor support rod 715 penetrates the anchor structure 450, and a screw groove is formed at the bottom thereof, so that the anchor support rod 715 is coupled with the anchor member fixing nut 780 so that the anchor member 710 may be connected to other components of the anchor structure 450. And fix it.
- the heat insulator 740 is integrally formed with a polyurethane foam or reinforced polyurethane foam around the anchor member 710.
- a first anchor upper plate 720 and a second anchor upper plate 730 are attached to an upper end of the heat insulating material 740, and a first anchor lower plate 750 and a second anchor lower plate ( 770 is attached.
- the first anchor upper plate 720, the second anchor upper plate 730, the first anchor lower plate 750, and the second anchor lower plate 770 may be plywoods.
- the anchor support bolt cap 760 is composed of a second flange portion located between the first anchor bottom plate 750 and the second anchor bottom plate 770 and extending radially from the lower end of the second cap portion and the second cap portion.
- the through hole is formed in the second cap part so that the anchor support rod 715 can pass therethrough.
- the first anchor upper plate 720, the second anchor upper plate 730, the insulation 740, the first anchor lower plate 750, and the second anchor lower plate 770 are also supported on the anchor.
- the through hole is formed so that the rod 715 can penetrate. Therefore, the anchor support rod 715 of the anchor member 710 is the first anchor top plate 720, the second anchor top plate 730, the heat insulating material 740, the first anchor bottom plate 750, the anchor support bolt cap After passing through the 760 and the second anchor lower plate 770, the screw groove under the anchor support rod 715 is engaged with the anchor member fixing nut 780 to form the anchor member 710 in another configuration of the anchor structure 450. Secure with elements.
- FIG. 10 is an enlarged view of a portion A of FIG. 5. That is, FIG. 10 is a view showing a portion where the anchor support rod 715 and the anchor member fixing nut 780 are coupled. As shown in FIG. 10, the portion where the anchor support bolt cap 760 is coupled to the anchor support rod 715 is formed in a cap shape and penetrates the first anchor lower plate 750 and the second anchor lower plate 770. The hole is formed larger than the cross-sectional area of the anchor support rod 715, the anchor support rod 715 can move up and down. That is, the portion where the anchor support bolt cap 760 is coupled to the anchor support rod 715 is not taut but is cap-shaped, and the first anchor lower plate 750 and the second anchor lower plate 770 are spaced apart from the anchor support rod.
- the lower portion of the anchor support rod can move up and down.
- pressure is applied to the anchor structure 450 due to the load of the liquefied natural gas, and the insulation 740 of the polyurethane foam material contracts, but the anchor of the metal material
- the support rod 715 does not shrink. Therefore, in the embodiment of the present invention, by allowing the anchor support rod 715 to move up and down, stress concentration of the insulation system subjected to the load of LNG can be eliminated.
- the anchor support bolt cap 760 may be inserted between the first anchor bottom plate 750 and the second anchor bottom plate 770 to function as a metal reinforcement plate.
- the anchor support bolt cap 760 may be formed in a rectangular shape such as the first anchor lower plate 750 and the second anchor lower plate 770.
- a through hole is formed at an edge of the second anchor lower plate 770 to fix the anchor structure to the hull. 6 and 8 show four holes, but the present invention is not limited thereto.
- FIG. 11 is an enlarged view of a portion B of FIG. 5.
- the stud bolt 1101 is fixed to the inner wall 420 and the partition wall 440 of the liquefied natural gas storage tank in advance at the position where the anchor structure 450 is to be installed. Then, as shown in FIG. 11, the stud bolt 1101 is inserted into the through hole of the first anchor lower plate 750, the anchor support bolt cap 760, and the second anchor lower plate 770, and then the nut 1102. It is fixed by).
- FIG. 12 is a flowchart illustrating a method of manufacturing a liquefied natural gas storage tank according to an embodiment of the present invention.
- an insulation wall including an anchor structure 450 is installed on the inner wall 420 and the partition wall 440 of the LNG storage tank (S1210).
- the anchor structure 450, the corner structure 460, and the planar structure 470 are fixed to the inner wall 420 and the partition wall 440 of the LNG storage tank.
- the corner structure 460 and the planar structure 470 Can be fixed with nuts.
- the secondary sealing wall is fixed to the first bonding portion 711 of the anchor structure 450 to install the secondary sealing wall on the upper surface of the heat insulating wall (S1220). Then, the second junction 712 is fixed to the upper portion of the first junction 711 by welding (S1230), and the primary seal wall is fixed to the second junction 712 to install the primary seal wall (S1240). ).
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Abstract
Description
Claims (13)
- 액화천연가스 저장 탱크의 내부벽과 밀봉벽을 연결하는 앵커 구조체에 있어서,상기 밀봉벽과 접합되는 접합부가 수평방향으로 슬라이딩할 수 있도록 구성된 앵커 부재; 및상기 앵커 부재 주변에 형성된 단열재; 를 포함하며,상기 밀봉벽은 액화천연가스와 직접 접하는 1차 밀봉벽과 상기 1차 밀봉벽의 하부에 위치하는 2차 밀봉벽을 포함하고, 상기 앵커 부재의 접합부에는 상기 1차 밀봉벽 및 상기 2차 밀봉벽이 접합되는, 앵커 구조체.
- 청구항 1에 있어서,상기 접합부는 상기 2차 밀봉벽이 접합되는 제1 접합부와 상기 1차 밀봉벽이 접합되는 제2 접합부를 포함하는, 앵커 구조체.
- 청구항 2에 있어서,상기 1차 밀봉벽과 상기 2차 밀봉벽 사이에는 이격된 거리를 일정하게 유지하기 위한 지지판재가 설치되는, 앵커 구조체.
- 청구항 2에 있어서,상기 앵커 부재는,상기 앵커 구조체를 관통하는 앵커 지지 로드 및상기 앵커 지지 로드와 수직으로 연결되고 상기 단열재의 상부에 위치하는 앵커 지지 플레이트를 포함하는, 앵커 구조체.
- 청구항 4에 있어서,상기 제1 접합부는 상기 2차 밀봉벽이 접합되는 제1 캡부와 상기 제1 캡부의 하단에서 방사형으로 연장된 제1 플랜지부로 구성되고, 상기 제1 플랜지부는 상기 앵커 지지 플레이트와 접하나 상기 앵커 지지 플레이트에 고정되지는 않는, 앵커 구조체.
- 청구항 5에 있어서,상기 앵커 부재는 제2 캡부와 상기 제2 캡부의 하단에서 방사형으로 연장된 제2 플랜지부로 구성된 앵커 지지 캡을 더 포함하고,상기 제2 플랜지부는 상기 제1 플랜지부를 덮고 상기 제2 플랜지부의 가장자리는 용접에 의해 상기 앵커 지지 플레이트에 고정되는, 앵커 구조체.
- 청구항 1에 있어서,상기 앵커 부재는 상기 앵커 구조체를 관통하는 앵커 지지 로드를 포함하고,상기 앵커 구조체는, 상기 단열재의 하부에 위치하고, 상기 앵커지지로드가 관통할 수 있는 관통 구멍이 형성된 앵커 지지 볼트 캡을 더 포함하는, 앵커 구조체.
- 청구항 7에 있어서,상기 앵커 지지 로드의 하부에는 나사홈이 형성되어 있어서 상기 앵커 지지 로드의 하부는 상기 관통 구멍을 관통한 후 앵커 부재 고정 너트와 결합되는, 앵커 구조체.
- 액화천연가스 저장 탱크의 내부벽과 밀봉벽을 연결하는 앵커 구조체에 있어서,상기 밀봉벽과 접합되는 접합부와 상기 앵커 구조체를 관통하는 앵커지지로드를 포함하는 앵커 부재;상기 앵커지지로드가 관통할 수 있는 제1 관통 구멍을 갖고 상기 앵커 부재 주변에 형성된 단열재; 및상기 단열재의 하부에 위치하고, 상기 앵커지지로드가 관통할 수 있는 제2 관통 구멍이 형성된 캡부와 상기 캡부 하단에서 방사형으로 연장된 플랜지부로 구성된 앵커 지지 볼트 캡;을 포함하며,상기 앵커지지로드의 하부에는 나사홈이 형성되어 있어 상기 앵커지지로드의 하부는 상기 제1 관통 구멍 및 제2 관통 구멍을 관통한 후 앵커 부재 고정 나사와 결합되어 상기 앵커 지지 볼트 캡에 고정되고, 상기 앵커지지로드는 위아래로 움직일 수 있는, 앵커 구조체.
- 청구항 9에 있어서,상기 앵커 구조체는,상기 단열재의 하단에 부착된 제1 앵커 하부판, 및상기 제1 앵커 하부판의 아래에 위치하는 제2 앵커 하부판을 더 포함하고,상기 앵커 지지 볼트 캡은 상기 제1 앵커 하부판과 상기 제2 하부판 사이에 삽입되는, 앵커 구조체.
- 청구항 10에 있어서,상기 제1 앵커 하부판에는 상기 앵커지지로드가 관통할 수 있는 제3 관통 구멍이 있고, 상기 제2 앵커 하부판에는 상기 앵커지지로드가 관통할 수 있는 제4 관통 구멍이 있고,상기 제3 관통 구멍 및 제4 관통 구멍은 상기 앵커 지지로드와 상기 제1 앵커 하부판 및 상기 제2 앵커 하부판이 이격될 수 있는 크기인, 앵커 구조체.
- 액화천연가스 저장 탱크의 내부벽과 밀봉벽을 연결하는 앵커 구조체에 있어서,상기 밀봉벽과 접합되는 접합부가 수평방향으로 슬라이딩할 수 있도록 구성된 앵커 부재;상기 앵커 부재 주변에 형성된 단열재;상기 단열재의 하단에 부착된 제1 앵커 하부판;상기 제1 앵커 하부판의 아래에 위치하는 제2 앵커 하부판; 및상기 제1 앵커 하부판과 상기 제2 앵커 하부판 사이에 삽입된 보강 플레이트;를 포함하는, 앵커 구조체.
- 액화천연가스를 저장하는 저장 탱크에 있어서,상기 저장 탱크의 내부벽에 설치되어 단열층을 형성하는 단열벽;상기 단열벽의 상면에 설치되어 상기 액화천연가스를 액밀하는 밀봉벽;상기 저장 탱크의 내부벽과 상기 밀봉벽을 연결하는 앵커 구조체;를 포함하며,상기 앵커 구조체는 상기 밀봉벽과 접합되는 접합부가 수평방향으로 슬라이딩할 수 있도록 구성된 앵커 부재를 포함하는, 저장 탱크.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017522305A JP6359186B2 (ja) | 2014-07-11 | 2015-07-09 | アンカー構造体と前記アンカー構造体を備える液化天然ガス貯蔵タンク |
US15/325,702 US10371321B2 (en) | 2014-07-11 | 2015-07-09 | Anchor structure and LNG storage tank including the same |
CA2954939A CA2954939C (en) | 2014-07-11 | 2015-07-09 | Anchor structure, and liquefied natural gas storage tank comprising said anchor structure |
AU2015288503A AU2015288503B2 (en) | 2014-07-11 | 2015-07-09 | Anchor structure, and liquefied natural gas storage tank comprising said anchor structure |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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KR1020140087462A KR101610255B1 (ko) | 2014-07-11 | 2014-07-11 | 앵커 구조체, 앵커 구조체를 포함하는 액화천연가스 저장탱크 및 액화천연가스 저장탱크 제조 방법 |
KR1020140087470A KR101610257B1 (ko) | 2014-07-11 | 2014-07-11 | 앵커 구조체 및 앵커 구조체를 포함하는 액화천연가스 저장탱크 |
KR10-2014-0087470 | 2014-07-11 | ||
KR1020140087473A KR101626848B1 (ko) | 2014-07-11 | 2014-07-11 | 앵커 구조체 및 앵커 구조체를 포함하는 액화천연가스 저장탱크 |
KR10-2014-0087473 | 2014-07-11 | ||
KR10-2014-0087462 | 2014-07-11 |
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WO2016006940A1 true WO2016006940A1 (ko) | 2016-01-14 |
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PCT/KR2015/007113 WO2016006940A1 (ko) | 2014-07-11 | 2015-07-09 | 앵커 구조체 및 상기 앵커 구조체를 포함하는 액화천연가스 저장탱크 |
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US (1) | US10371321B2 (ko) |
JP (1) | JP6359186B2 (ko) |
AU (1) | AU2015288503B2 (ko) |
CA (1) | CA2954939C (ko) |
WO (1) | WO2016006940A1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3003926B1 (fr) * | 2013-03-26 | 2015-08-28 | Snecma | Procede et dispositif d'isolation thermique d'un equipement |
NO343089B1 (en) * | 2017-08-01 | 2018-10-29 | Ic Tech As | Cryogenic fluid storage tank |
KR102020965B1 (ko) * | 2017-12-29 | 2019-09-11 | 대우조선해양 주식회사 | 멤브레인 접합구조 및 상기 멤브레인 접합구조를 포함하는 액화가스 저장탱크 |
FR3084438B1 (fr) | 2018-07-26 | 2020-07-31 | Gaztransport Et Technigaz | Cuve etanche et thermiquement isolante |
FR3087518B1 (fr) | 2018-10-17 | 2020-10-02 | Gaztransport Et Technigaz | Paroi d'une cuve etanche et thermiquement isolante |
FR3094071B1 (fr) * | 2019-03-21 | 2021-04-02 | Gaztransport Et Technigaz | Cuve étanche et thermiquement isolante |
CN115451327B (zh) * | 2022-10-10 | 2023-08-15 | 南通大学 | 一种液化天然气储存罐密封头 |
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KR100644217B1 (ko) * | 2006-04-20 | 2006-11-10 | 한국가스공사 | 개선된 단열구조를 갖는 액화천연가스 저장탱크 및 그제조방법 |
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US3730375A (en) * | 1971-12-27 | 1973-05-01 | Phillips Petroleum Co | Fluid containment system |
JPS5420912A (en) | 1977-07-18 | 1979-02-16 | Mitsubishi Electric Corp | Induction heating device |
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2015
- 2015-07-09 CA CA2954939A patent/CA2954939C/en not_active Expired - Fee Related
- 2015-07-09 WO PCT/KR2015/007113 patent/WO2016006940A1/ko active Application Filing
- 2015-07-09 AU AU2015288503A patent/AU2015288503B2/en not_active Ceased
- 2015-07-09 US US15/325,702 patent/US10371321B2/en active Active
- 2015-07-09 JP JP2017522305A patent/JP6359186B2/ja not_active Expired - Fee Related
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KR100499713B1 (ko) * | 2005-02-01 | 2005-07-05 | 한국가스공사 | 액화천연가스 저장탱크의 앵커 |
KR100644217B1 (ko) * | 2006-04-20 | 2006-11-10 | 한국가스공사 | 개선된 단열구조를 갖는 액화천연가스 저장탱크 및 그제조방법 |
KR100981416B1 (ko) * | 2008-05-13 | 2010-09-10 | 한국과학기술원 | 앵커 구조체 및 이를 갖는 액화천연가스 저장탱크 |
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US10371321B2 (en) | 2019-08-06 |
CA2954939A1 (en) | 2016-01-14 |
JP2017522521A (ja) | 2017-08-10 |
US20170159888A1 (en) | 2017-06-08 |
AU2015288503B2 (en) | 2019-01-03 |
CA2954939C (en) | 2019-05-07 |
JP6359186B2 (ja) | 2018-07-25 |
AU2015288503A1 (en) | 2017-02-02 |
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