WO2022131812A1 - 액화가스 저장탱크 및 이를 포함하는 선박 - Google Patents
액화가스 저장탱크 및 이를 포함하는 선박 Download PDFInfo
- Publication number
- WO2022131812A1 WO2022131812A1 PCT/KR2021/019162 KR2021019162W WO2022131812A1 WO 2022131812 A1 WO2022131812 A1 WO 2022131812A1 KR 2021019162 W KR2021019162 W KR 2021019162W WO 2022131812 A1 WO2022131812 A1 WO 2022131812A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquefied gas
- storage tank
- gas storage
- tank body
- body member
- Prior art date
Links
- 230000001939 inductive effect Effects 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims 6
- 239000007789 gas Substances 0.000 description 160
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000001976 improved effect Effects 0.000 description 4
- 239000003949 liquefied natural gas Substances 0.000 description 4
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
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
- 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
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B17/0027—Tanks for fuel or the like ; Accessories therefor, e.g. tank filler caps
-
- 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
-
- 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
- F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure
-
- 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
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/016—Preventing slosh
-
- 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 a liquefied gas storage tank and a ship including the same.
- the liquefied gas includes liquefied natural gas (LNG) or liquefied propane gas (Liquefied Propane Gas: LPG).
- LNG liquefied natural gas
- LPG liquefied propane gas
- This liquefied gas has a much smaller volume than the gaseous state (for example, when liquefied in the case of LNG, the volume is reduced to 1/600, and in the case of LPG, it can be greatly reduced to 1/250 when liquefied), so it is convenient to store and transport in the liquefied state.
- There is a difficulty in maintaining the temperature below the boiling point about -162 °C for LNG, about -50 °C for LPG).
- a cryogenic liquefied gas storage tank that maintains the liquefied gas below the boiling point is required.
- the liquefied gas storage tank is a structure for storing the liquefied fuel of a transport organization such as a ship, and since the liquid is stored therein, inevitably, the liquefied gas storage tank according to the movement of a floating structure such as a ship or a land transport institution. is not always able to remain level with the water surface or the ground, resulting in a flow of liquid fuel.
- the flow of the liquefied gas causes a collision between the inner wall of the liquefied gas storage tank and the flowing liquefied gas, and such continuous collision has a problem of causing damage to the liquefied gas storage tank.
- a swash bulk head wall is installed inside the liquefied gas storage tank to prevent the liquefied gas storage tank from being damaged due to the fluctuation of the liquefied gas.
- Such a water removal bulkhead was provided in the form of a bulkhead in the middle of the liquefied gas storage tank, and as a member of high weight, it was difficult to construct inside the liquefied gas storage tank, and there was a problem in that the manufacturing cost increased.
- An object of the present invention is to provide a liquefied gas storage tank and a ship including the same, which prevent the problem of collision of the flowing liquefied gas with the inner wall of the liquefied gas storage tank due to the flow of the liquefied gas.
- the present invention prevents the occurrence of a collision between the inner wall of the liquefied gas storage tank and the flowing liquefied gas due to the flow of liquefied gas without using a conventional swash bulkhead, and supports the liquefied gas storage tank.
- An object of the present invention is to provide a liquefied gas storage tank and a ship including the same.
- a liquefied gas storage tank includes a tank body member in which liquefied gas is stored and an inner frame unit provided inside the tank body member to replace the water-removing bulkhead and to guard the flow of the liquefied gas.
- an inner frame unit provided inside the tank body member to replace the water-removing bulkhead and to guard the flow of the liquefied gas.
- the inner frame unit of the liquefied gas storage tank is coupled to a ring support member continuously provided in the circumferential direction of the inside of the tank body member and the ring support member, and includes a curved surface It is provided in the form of a liquefied gas may include a division guide member for guiding the liquefied gas ride the curved portion and return to the flow inflow direction.
- the division inducing member of the liquefied gas storage tank has one end coupled to the ring support member, and the other end is provided in a bent shape toward the short side wall portion of the tank body member.
- the division inducing member of the liquefied gas storage tank according to an embodiment of the present invention is provided in plurality along the inner circumferential direction of the tank body member, the curved surface formation direction of other division inducing members adjacent to the curved surface formation direction Conversely, it can be formed.
- the division inducing member of the liquefied gas storage tank is provided in plurality along the inner circumferential direction of the tank body member, and the curved surface formation direction of the other division inducing member adjacent to the curved surface formation direction may be formed in the same direction as
- the ring support member of the liquefied gas storage tank may be formed in a "T" shape in cross section.
- an inlet pipe connecting the inside and the outside of the tank body member of the liquefied gas storage tank is provided, and the liquefied gas stored in the tank body member is sucked through the inlet pipe to the outside.
- It further comprises a pump unit for delivering to the, wherein the inner frame unit is disposed on the bottom of the tank body member, the residual water formed with a depression in which the liquefied gas is contained so that the end of the inlet pipe is immersed in the liquefied gas.
- It may include a accommodating member and an upper guiding member coupled to the upper end of the residual water accommodating member.
- the upper guiding member of the liquefied gas storage tank may be provided in a shape including a curved surface, so that the liquefied gas rides the curved portion and returns to the flow inflow direction.
- the residual water accommodating member of the liquefied gas storage tank may be formed with a residual water flow hole through which the liquefied gas moves at an upper end.
- the inner frame unit of the liquefied gas storage tank is provided at least on the bottom of the tank body member, the cross section is formed in a "T" shape, the bottom support member and the bottom support member Doedoe coupled to a horizontal portion of the upper end, one end is coupled to one end of the horizontal portion of the floor support member and the other end is coupled to the bottom of the tank body member, so that the liquefied gas passes over the floor support member It may include an inclination inducing member for guiding it.
- a ship may include a hull including an engine unit in which the liquefied gas storage tank and the liquefied gas storage tank are installed, and providing a driving force.
- the liquefied gas storage tank of the present invention and a ship including the same have an advantage in that it is possible to prevent the problem of collision of the flowing liquefied gas with the inner wall of the liquefied gas storage tank due to the flow of the liquefied gas.
- the liquefied gas storage tank of the present invention and the ship including the same cause the collision of the flowing liquefied gas with the inner wall of the liquefied gas storage tank due to the flow of liquefied gas without using a conventional swash bulkhead.
- FIG. 1 is a side view showing an embodiment including a ring support member and a division guiding member in a liquefied gas storage tank of the present invention, wherein the adjacent division guiding members have different curved surface formation directions.
- FIG. 2 is a perspective view illustrating an embodiment in which the ring support member and the division inducing member of FIG. 1 are shown, wherein the adjacent division inducing members have different curved surface formation directions.
- FIG 3 is a side view showing an embodiment including a ring support member and a division guide member in the liquefied gas storage tank of the present invention, wherein the adjacent division guide members have the same curved surface formation direction.
- FIG. 4 is a perspective view illustrating an embodiment in which the ring support member and the division inducing member of FIG. 3 are shown, in which the adjacent division inducing members have the same curved surface formation direction.
- FIG. 5 is a front view showing an embodiment including a residual water accommodating member and an upper guiding member in the liquefied gas storage tank of the present invention.
- FIG. 6 is a front view showing an embodiment including a floor support member and an inclined induction member in the liquefied gas storage tank of the present invention.
- FIG. 7 is a side view showing a liquefied gas storage tank of the present invention and a ship including the same.
- the present invention relates to a liquefied gas storage tank (1) and a ship including the same, wherein an inner frame unit (20) replacing a swash bulk head wall is provided inside the tank body member (10), As the inner frame unit 20 guards the flow of the liquefied gas, it is possible to prevent the problem of collision of the flowing liquefied gas with the inner wall of the liquefied gas storage tank 1 due to the flow of the liquefied gas.
- the liquefied gas storage tank (1) of the present invention and a ship including the same are provided with the inner frame unit (20), so that the liquefied gas storage tank ( 1), it is possible to prevent the collision between the inner wall part and the flowing liquefied gas, and support the liquefied gas storage tank (1).
- the liquefied gas storage tank 1 of the present invention may include a tank body member 10 and an inner frame unit 20 .
- FIG. 1 and 3 are side views showing an embodiment including a ring support member 21 and a division guide member 22 in the liquefied gas storage tank 1 of the present invention
- Figure 1 is a division guide member 22
- FIG. 3 shows an embodiment formed in the same direction.
- FIGS. 2 and 4 are perspective views showing the ring support member and the division guide member of FIG. 1 or FIG. 3, respectively.
- the tank body member 10 of the liquefied gas storage tank 1 may store liquefied gas.
- the inner frame unit 20 of the liquefied gas storage tank 1 is provided inside the tank body member 10 to replace the water-removing bulkhead, and to guard the flow of the liquefied gas. can do.
- the inner frame unit 20 is provided inside the tank body member 10 to replace the conventional water removal bulkhead, and serves to guide the flow of the liquefied gas.
- the problem that the liquefied gas applies an impact to one side of the inside of the tank body member 10 can be improved, and since it does not have a heavy water swash bulkhead, the manufacture of the liquefied gas storage tank 1 is facilitated and manufactured. cost can be reduced.
- the inner frame unit 20 may include a ring support member 21 and a division guide member 22 as an embodiment.
- the ring support member 21 may be continuously provided in the circumferential direction of the inside of the tank body member 10 .
- the division guide member 22 is coupled to the ring support member 21 and is provided in a shape including a curved surface, so that the liquefied gas rides the curved portion and can be guided to return to the flow inflow direction (D).
- the ring support member 21 serves to support the tank body member 10, thereby removing the conventional water-removing bulkhead and replacing the tank body member 10 with the inner frame unit 20 of the present invention. ) can be supported.
- the support function of the ring support member 21 can be more firmly supported by the ring support member 21 being provided in the form of a continuous ring in the circumferential direction of the inside of the tank body member 10 .
- the ring support member 21 may limit the shape of the cross-section, thereby further increasing the support force. That is, the ring support member 21 of the liquefied gas storage tank 1 according to an embodiment of the present invention may be formed in a "T" shape in cross section.
- the division inducing member 22 of the present invention serves to improve the problem that the liquefied gas is suddenly moved from one side to the other side of the tank body member 10 to apply an impact to the tank body member 10 .
- the division guide member 22 is formed in a shape including a curved surface, thereby guiding the liquefied gas to flow along the curved portion of the division guide member 22 .
- the liquefied gas is guided to be sent back to the flow inflow direction (D) that has been delivered to the division guide member 22 .
- the problem that the liquefied gas is suddenly biased from one side of the tank body member 10 to the other side is improved, and the problem that the liquefied gas applies an impact to the tank body member 10 is improved.
- the division inducing member 22 of the liquefied gas storage tank 1 has one end coupled to the ring support member 21, and the short side wall portion of the tank body member 10 ( 10b) The other end may be provided in a bent form toward the direction.
- the short side wall portion 10b means a side wall portion of the tank body member 10 having a relatively short length in the top view of the tank body member 10 .
- the long side wall portion 10c means a side wall portion of the tank body member 10 having a relatively long length in the top view of the tank body member 10 .
- the division inducing member 22 may be formed in a shape bent toward any one of the short side wall portions 10b on both sides of the tank body member 10 . Accordingly, when a flow occurs in which the liquefied gas stored in the short side wall portion 10b on one side is suddenly moved in the direction of the short side wall portion 10b on the other side, the liquefied gas flows along the curved surface of the division guide member 22 and flows to the original It is returned in the direction of the one side short side wall portion 10b, which is the position. Accordingly, it is possible to prevent the problem that the liquefied gas applies an impact to the other short side wall portion (10b).
- the division inducing member 22 may be formed in a curved shape bent in the opposite direction to the other neighboring division inducing members 22 .
- a plurality of division inducing members 22 of the liquefied gas storage tank 1 are provided along the inner circumferential direction of the tank body member 10, and the curved surface forming direction is adjacent to another. It may be formed opposite to the direction in which the curved surface of the division guide member 22 is formed.
- some division inducing members 22 form a curved surface toward one side of the short side wall portion 10b, and the remaining partial division inducing members 22 adjacent to this form a curved surface toward the other side short side wall portion 10b. do.
- the partial division inducing member 22 induces some of the liquefied gas suddenly delivered from the one side short side wall portion 10b to be sent back to the one side short side wall portion 10b, and the remaining partial division guide members adjacent to it ( 22) can induce a part of the liquefied gas suddenly delivered from the other short side wall portion 10b to be sent back to the other side short side wall portion 10b.
- the plurality of division guide members 22 may all be formed in a curved shape bent in the same direction.
- a plurality of division inducing members 22 of the liquefied gas storage tank 1 are provided along the inner circumferential direction of the tank body member 10, and the curved surface forming direction is adjacent to another. It may be formed in the same direction as the direction in which the curved surface of the division guide member 22 is formed.
- the liquefied gas suddenly delivered from the one side short side wall portion 10b is returned to the one side short side wall portion 10b. You can be tempted to send it back.
- This embodiment of the division inducing member 22 is transmitted from one side of the short side wall portion 10b compared to the embodiment of the division inducing member 22 formed to be bent in the opposite direction to the other neighboring division inducing member 22 described above. It is possible to induce a greater flow of liquefied gas to be returned.
- the liquefied gas storage tank 1 of the present invention may further include a pump unit 30 .
- the inner frame unit 20 of the present invention may include a residual water accommodating member 23 and an upper guiding member 24 .
- the pump unit 30 of the liquefied gas storage tank 1 may be provided with an inlet pipe part 31 connecting the inside and the outside of the tank body member 10 . And the pump unit 30 may suck the liquefied gas stored in the tank body member 10 through the inlet pipe part 31 and deliver it to the outside.
- the residual water accommodating member 23 of the present invention is disposed on the bottom portion 10a of the tank body member 10, so that the end of the inlet pipe portion 31 is immersed in the liquefied gas, a recessed portion 23a containing liquefied gas. can be formed.
- the upper guiding member 24 of the present invention may be coupled to the upper end of the residual water receiving member (23).
- the upper guiding member 24 of the present invention is provided in a shape including a curved surface, so that the liquefied gas rides the curved portion and can be guided to return to the flow inflow direction (D).
- the liquefied gas stored in the tank body member 10 is transferred to the outside through the inlet pipe part 31 of the pump unit 30, and the remaining liquefied gas remains in the bottom part 10a of the tank body member 10. . Furthermore, the residual liquefied gas converges to the recessed part 23a of the residual water accommodating member 23, which is located lower than the bottom part 10a of the tank body member 10, and accordingly, even if the residual liquefied gas is small, the inlet pipe part The end of (31) can be immersed in the liquefied gas.
- a residual water flow hole 23b may be formed in the residual water accommodating member 23 .
- the residual water accommodating member 23 of the liquefied gas storage tank 1 may have a residual water flow hole 23b through which the liquefied gas moves at an upper end thereof.
- the liquefied gas positioned adjacent to the bottom portion 10a of the tank body member 10 can be moved to the depression 23a of the residual water accommodating member 23 through the residual water flow hole 23b.
- the upper guiding member 24 of the present invention serves to return the liquefied gas, which suddenly flows by the inclination of a transport organ such as a ship, to its original position.
- the upper guiding member 24 of the present invention includes a curved portion in a bent form. And, when the liquefied gas suddenly flows and is delivered to the curved portion of the upper guiding member 24 , the liquefied gas is moved along the curved portion of the upper guiding member 24 .
- the flow of the liquefied gas is induced in the direction in which the curved portion of the upper guiding member 24 faces.
- the curved portion of the upper guiding member 24 may be formed to be bent toward any one of the short side wall portions 10b on both sides, and accordingly, the liquefied gas stored in the one side short side wall portion 10b is reduced.
- the liquefied gas flows along the curved surface of the upper end guide member 24 and is returned to the original position in the direction of the one side short side wall portion 10b. Accordingly, it is possible to prevent the problem that the liquefied gas applies an impact to the other short side wall portion (10b).
- FIG. 6 is a front view showing an embodiment including the floor support member 26 and the inclination guide member 25 in the liquefied gas storage tank (1) of the present invention.
- the inner frame unit 20 of the liquefied gas storage tank 1 of the present invention may include a floor support member 26 and an inclination guide member 25 .
- the bottom support member 26 is provided at least on the bottom portion 10a of the tank body member 10, and may be formed in a "T" shape in cross section.
- the inclination induction member 25 is coupled to a horizontal portion of the upper end of the floor support member 26 , one end is coupled to one end of the horizontal portion of the floor support member 26 , and the other end is the tank body member 10 . Coupled to the bottom portion (10a), it is possible to induce the liquefied gas to ride over the floor support member (26).
- the bottom support member 26 serves to support the tank body member 10 , thereby removing the conventional water-removing bulkhead and replacing the tank body member 10 with the inner frame unit 20 of the present invention. ) can be supported.
- the bottom support member 26 may be provided only in the bottom portion 10a of the tank body member 10 or may be provided in the form of a continuous ring in the circumferential direction of the inside of the tank body member 10 .
- the bottom support member 26 has a cross-sectional shape that is limited to a “T” shape, so that the supporting force can be further increased.
- the inclination guide member 25 has a flow path of the liquefied gas by the bottom support member 26 .
- the aggregation overcomes the bottom support member 26 with an increased flow rate and suddenly moves to the other side of the tank body member 10, causing a greater impact to the tank body member 10 ) to improve the problem applied to the other side.
- the liquefied gas is located at least in the bottom portion 10a of the tank body member 10, in which case the liquefied gas located in the bottom portion 10a is It can be agglomerated by the bottom support member 26 during sudden flow, and the problem of applying an amplified impact to the tank body member 10 by the aggregation of the liquefied gas can be improved by the inclination induction member 25 .
- the inclination guide member 25 includes the upper horizontal portion of the bottom support member 26 and the tank body member 10 so that the flowing liquefied gas is not caught by the “T” shape of the bottom support member 26 . It is to connect the bottom portion (10a) of the inclined shape. Accordingly, since the liquefied gas can pass from one side of the tank body member 10 to the other side on the inclination guide member 25 , the problem of aggregation around the bottom support member 26 is prevented.
- the inclination induction member 25 is only located around the bottom 10a of the tank body member 10, and is not located around the sidewalls such as the long side wall 10c of the tank body member 10. .
- the flow rate of the liquefied gas is relatively large without considering the aggregation of the liquefied gas. That is, if the liquefied gas is stored up to the vicinity of the long side wall portion 10c of the tank body member 10, it is necessary to block the flow of the liquefied gas to prevent an impact caused by the sudden flow of the liquefied gas. is not
- the ship of the present invention may include a liquefied gas storage tank 1 and a hull 2 .
- the liquefied gas storage tank (1) is replaced with the description of the liquefied gas storage tank (1) described above.
- the hull (2) may include a liquefied gas storage tank (1) is installed, the engine unit (2a) for providing a driving force.
- the ship of the present invention flows with the inner wall of the liquefied gas storage tank 1 due to the sudden flow of liquefied gas without using a conventional swash bulkhead. It is possible to prevent the problem of collision of liquefied gas.
- the ship of the present invention since the ship of the present invention does not need to use the conventional swash bulkhead, it is possible to facilitate the manufacture of the liquefied gas storage tank 1, reduce the manufacturing cost, and prevent damage to the liquefied gas storage tank 1 do.
- liquefied gas storage tank 2 hull
- tank body member 20 inner frame unit
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims (11)
- 액화가스가 저장되는 탱크바디부재; 및상기 탱크바디부재의 내부에 구비되어 제수격벽을 대체하며, 상기 액화가스의 유동을 가아드하는 이너프레임유닛;을 포함하는 액화가스 저장탱크.
- 제1항에 있어서,상기 이너프레임유닛은,상기 탱크바디부재 내부의 둘레 방향으로 연속되게 구비되는 링지지부재; 및상기 링지지부재에 결합되며, 곡면을 포함하는 형태로 구비되어, 상기 액화가스가 상기 곡면 부분을 타고 유동 유입 방향으로 되돌려지도록 유도하는 분할유도부재;를 포함하는 액화가스 저장탱크.
- 제2항에 있어서,상기 분할유도부재는, 상기 링지지부재에 일단부가 결합되고, 상기 탱크바디부재의 단변측벽부 방향을 향하여 밴딩된 형태로 타단부가 구비된 액화가스 저장탱크.
- 제2항에 있어서,상기 분할유도부재는, 상기 탱크바디부재의 내부 둘레 방향을 따라 복수 개가 구비되되, 곡면 형성 방향이 이웃하는 다른 분할유도부재의 곡면 형성 방향과 반대로 형성된 액화가스 저장탱크.
- 제2항에 있어서,상기 분할유도부재는, 상기 탱크바디부재의 내부 둘레 방향을 따라 복수 개가 구비되되, 곡면 형성 방향이 이웃하는 다른 분할유도부재의 곡면 형성 방향과 동일한 방향으로 형성된 액화가스 저장탱크.
- 제2항에 있어서,상기 링지지부재는, 단면이 "T"자 형태로 형성된 액화가스 저장탱크.
- 제1항에 있어서,상기 탱크바디부재 내부와 외부를 연결하는 유입관부가 구비되고, 상기 유입관부를 통하여 상기 탱크바디부재 내부에 저장된 상기 액화가스를 흡인하여 외부로 전달하는 펌프유닛;을 더 포함하며,상기 이너프레임유닛은,상기 탱크바디부재의 바닥부에 배치되되, 상기 유입관부의 단부가 상기 액화가스에 침지되도록, 상기 액화가스가 담기는 함몰부가 형성된 잔수수용부재; 및상기 잔수수용부재의 상단부에 결합되는 상단유도부재;를 포함하는 액화가스 저장탱크.
- 제7항에 있어서,상기 상단유도부재는, 곡면을 포함하는 형태로 구비되어, 상기 액화가스가 상기 곡면 부분을 타고 유동 유입 방향으로 되돌려지도록 유도하는 액화가스 저장탱크.
- 제7항에 있어서,상기 잔수수용부재는, 상단부에 상기 액화가스가 이동되는 잔수유동홀이 형성된 액화가스 저장탱크.
- 제1항에 있어서,상기 이너프레임유닛은,적어도 상기 탱크바디부재의 바닥부에 구비되며, 단면이 "T"자 형태로 형성된 바닥지지부재; 및상기 바닥지지부재 상단의 수평한 부분에 결합되되, 일단부는 상기 바닥지지부재의 수평한 부분의 일측단부에 결합되고 타단부는 상기 탱크바디부재의 바닥부에 결합되어, 상기 액화가스가 상기 바닥지지부재를 타고 넘어가도록 유도하는 경사유도부재;를 포함하는 액화가스 저장탱크.
- 제1항 내지 제10항 중 어느 한 항의 액화가스 저장탱크; 및상기 액화가스 저장탱크가 설치되며, 구동력을 제공하는 엔진부를 포함하는 선체;를 포함하는 선박.
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KR20090100752A (ko) * | 2008-03-21 | 2009-09-24 | 대우조선해양 주식회사 | 부유식 해상구조물의 lng 저장탱크 |
KR101007700B1 (ko) * | 2008-09-29 | 2011-01-13 | 삼성중공업 주식회사 | 유체 저장용 화물창 |
KR20140091891A (ko) * | 2013-01-14 | 2014-07-23 | 현대중공업 주식회사 | 펌프 가이드 및 이를 구비한 해상 부유 구조물 |
WO2018012752A1 (ko) * | 2016-07-10 | 2018-01-18 | (주)금강 | 맨홀구멍이 형성된 도류벽이 내,외벽 또는 양쪽 측벽과 일체형 구조로 되어 내구성이 향상된 물탱크 |
KR20200045534A (ko) * | 2017-08-31 | 2020-05-04 | 알테어 엔지니어링, 인크. | 저장 탱크 격납 시스템 |
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KR20090100752A (ko) * | 2008-03-21 | 2009-09-24 | 대우조선해양 주식회사 | 부유식 해상구조물의 lng 저장탱크 |
KR101007700B1 (ko) * | 2008-09-29 | 2011-01-13 | 삼성중공업 주식회사 | 유체 저장용 화물창 |
KR20140091891A (ko) * | 2013-01-14 | 2014-07-23 | 현대중공업 주식회사 | 펌프 가이드 및 이를 구비한 해상 부유 구조물 |
WO2018012752A1 (ko) * | 2016-07-10 | 2018-01-18 | (주)금강 | 맨홀구멍이 형성된 도류벽이 내,외벽 또는 양쪽 측벽과 일체형 구조로 되어 내구성이 향상된 물탱크 |
KR20200045534A (ko) * | 2017-08-31 | 2020-05-04 | 알테어 엔지니어링, 인크. | 저장 탱크 격납 시스템 |
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