WO2017135804A1 - 가스 재기화 시스템을 구비하는 선박 - Google Patents
가스 재기화 시스템을 구비하는 선박 Download PDFInfo
- Publication number
- WO2017135804A1 WO2017135804A1 PCT/KR2017/003497 KR2017003497W WO2017135804A1 WO 2017135804 A1 WO2017135804 A1 WO 2017135804A1 KR 2017003497 W KR2017003497 W KR 2017003497W WO 2017135804 A1 WO2017135804 A1 WO 2017135804A1
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- Prior art keywords
- heat source
- gas
- seawater
- hull
- heat exchanger
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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
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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
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- 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
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- 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
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
Definitions
- the present invention relates to a vessel having a gas regasification system.
- LNG is known to be a clean fuel and abundant reserves than petroleum, and its use is rapidly increasing with the development of mining and transport technology. It is common to store LNG in liquid state by lowering the temperature of methane, the main component, below -162 °C under 1 atmosphere, and the volume of liquefied methane is about 1/600 of the volume of gaseous methane in the standard state. Is 0.42, which is about one half of the share of crude oil.
- LNG is liquefied for ease of transportation and vaporized at the point of use after transportation.
- the LNG stored in the liquefied gas storage tank is pressurized by the boosting pump and sent to the LNG vaporizer, and vaporized by the LNG vaporizer to NG to the land demand.
- a lot of energy is required in the process of heat exchange to increase the temperature of LNG on the LNG vaporizer. Therefore, in order to solve the problem that the energy used in this process is wasted due to inefficient exchange, various heat exchange technologies for efficient regasification have been studied.
- the present invention has been made to improve the prior art, to provide a vessel having a gas regasification system that can maximize the regasification efficiency of liquefied gas.
- the ship provided with the gas regasification system which concerns on this invention is a hull; A vaporizer provided at an upper portion of the hull to vaporize liquefied gas and supply it to a demand destination; And a heat source supply device provided inside the hull and supplying a heat source to the vaporizer.
- At least one deck for partitioning the inner space of the hull up and down may be further included.
- the sea water line one end is connected to the seawater inlet formed on the side of the hull and the other end is connected to the seawater outlet formed on the side of the hull, the heat source supply device, the seawater outlet in the hull is provided Can be placed in the area.
- the sea water pump may be disposed on the inner bow side of the hull.
- a steam heat exchanger for heat-exchanging the heat source and the steam
- the heat source pump may be arranged partitioned up or down each other by the deck.
- the steam may be heat-exchanged with the heat source in the sea water.
- the heat source supply device may be manufactured in a modular form to include the heat source pump, the seawater heat exchanger or the steam heat exchanger.
- the heat source supply device may be disposed on the inner side of the hull.
- the heat source supply apparatus may be disposed on the side of the engine room disposed inside the stern of the hull.
- the heat source may be glycol water.
- the heat source supply device the pressure holding device for maintaining the pressure of the heat source flowing in the heat source circulation line
- the pressure holding device can maintain the pressure of the heat source using an inert gas.
- the vessel provided with the gas regasification system according to the present invention has the effect that the regasification efficiency of the liquefied gas can be maximized.
- FIG. 3 is a conceptual diagram illustrating a gas regasification system according to another embodiment of the present invention.
- FIG. 4 is a conceptual diagram illustrating a gas regasification system according to an embodiment of the present invention.
- FIG. 5 is a conceptual diagram of a vessel provided with a gas regasification system according to another embodiment of the present invention.
- FIG. 6 is a conceptual diagram illustrating a gas regasification system according to another embodiment of the present invention.
- FIG. 7 is a conceptual diagram showing in detail a gas regasification system according to another embodiment of the present invention.
- FIG. 8 is a conceptual diagram illustrating a glycol water circulation device according to an embodiment of the present invention.
- FIG. 9 is a conceptual diagram of a seawater supply apparatus of the present invention.
- liquefied gas may be used to encompass all gaseous fuels which are generally stored in a liquid state, such as LNG or LPG, ethylene, ammonia, and the like. Can be expressed as This can be applied to the boil-off gas as well.
- LNG may be used for the purpose of encompassing not only liquid NG (Natural Gas) but also supercritical NG for convenience, and evaporation gas may be used to include not only gaseous evaporation gas but also liquefied evaporation gas. Can be.
- FIG. 1 is a conceptual diagram of a vessel including a gas regasification system according to a conventional embodiment.
- the conventional gas regasification system 1 includes a liquefied gas storage tank 10, a feeding pump 20, a buffer tank 30, a vaporizer 40, and a demand destination 70. do.
- a plurality of liquefied gas storage tanks 10 are disposed in the hull 100, but the recondenser 30, the boosting pump 21, and the vaporizer 40 may be configured. It was arranged and driven in the regasification unit room 1000 disposed above the upper deck 104 of the bow portion 101.
- the seawater pump 51 which is a configuration for supplying seawater to the seawater heat exchanger 41, has to be located in the engine room 51 according to the arrangement condition inside the hull 100, and thus the seawater heat exchanger 41 And the length of the seawater line L4 connecting the seawater pump 51 is considerably longer.
- the sea water line (L4) has a problem that the cost is relatively high compared to the heat source circulation line (L3) to have a corrosion resistance and to supply a large amount of sea water to the sea water heat exchanger (41).
- the position disposed on the hull 100 may be limited, which causes serious problems in space utilization in the hull 100.
- the present invention has been developed as a way to solve this problem, the details thereof will be described below.
- FIG. 2 is a conceptual diagram of a vessel having a gas regasification system according to an embodiment of the present invention.
- the gas regasification system 2 includes a liquefied gas storage tank 10, a feeding pump 20, a boosting pump 21, a buffer tank 30, And a vaporizer 40, a second demand source 61, a first demand source 70, and an evaporative gas compressor 80.
- the liquefied gas storage tank 10 the feeding pump 20, the boosting pump 21, the buffer tank 30, the vaporizer 40, the second demand 61, the first demand 70 Etc. use the same reference numerals for convenience of each configuration in the conventional gas regasification system 1, but do not necessarily refer to the same configuration.
- the ship provided with the gas regasification system 2 has the hull 100 comprised from the bow part 101, the center part 102, the stern part 103, the upper deck 104, and the bottom part 105, and
- the propeller shaft S propels the power produced by the engine E of the engine room ER disposed in the unit 103 to be propagated by the propeller P to operate.
- the vessel regasifies the liquefied gas provided with a gas regasification system (2) in the liquefied gas carrier (not shown) in order to re-liquefy the liquefied gas at sea to supply the liquefied gas to the land terminal
- a gas regasification system (2) in the liquefied gas carrier (not shown) in order to re-liquefy the liquefied gas at sea to supply the liquefied gas to the land terminal
- It may be a vessel (LNG RV) or a floating liquefied gas storage and regasification plant (FSRU).
- the flow path may be a line through which the fluid flows, but is not limited thereto, and any flow path may be used.
- the liquefied gas supply line L1 connects the liquefied gas storage tank 10 and the buffer tank 30 and includes a feeding pump 20 to feed the liquefied gas stored in the liquefied gas storage tank 10 to the feeding pump 20. ) May be supplied to the buffer tank 30.
- the liquefied gas supply line L1 may be connected to the buffer tank 30 and branched upstream of the buffer tank 30 to be directly connected to the regasification line L2.
- the regasification line L2 connects the buffer tank 30 with the first demand destination 70 and includes a boosting pump 21 and a vaporizer 40 to temporarily store liquefied gas or liquefied gas in the buffer tank 30.
- the liquefied gas supplied directly from the supply line L1 may be pressurized by the boosting pump 21 and regasified by the vaporizer 40 to be supplied to the first demand destination 70.
- the heat source circulation line L3 may circulate the vaporizer 40, the seawater heat exchanger 41, and the heat source pump 42 to circulate the first fruit in the respective configurations.
- the heat source circulation line L3 may have a diameter smaller than that of the seawater line L4.
- the boil-off gas supply line L6 connects the liquefied gas storage tank 10 and the buffer tank 30 and includes an boil-off gas compressor 80 to convert the boil-off gas generated from the liquefied gas storage tank 10 into boil-off gas. Pressurized by the compressor 80 can be supplied to the buffer tank (30). In this case, the boil-off gas supply line L6 may be connected to the lower side of the buffer tank 30.
- the liquefied gas storage tank 10 stores the liquefied gas to be supplied to the first demand destination 70.
- the liquefied gas storage tank 10 should store the liquefied gas in a liquid state.
- the liquefied gas storage tank 10 may have a pressure tank form.
- the feeding pump 20 may pressurize the liquefied gas stored in the liquefied gas storage tank 10 to 6 to 8 bar and supply it to the buffer tank 30.
- the feeding pump 20 may pressurize the liquefied gas discharged from the liquefied gas storage tank 10 to increase the pressure and temperature slightly, and the pressurized liquefied gas may still be in a liquid state.
- the feeding pump 20 may be a latent pump when provided inside the liquefied gas storage tank 10, and stored in the liquefied gas storage tank 10 when the feeding pump 20 is installed outside the liquefied gas storage tank 10. It may be provided at a position inside the hull 100 lower than the level of the liquefied gas and may be a centrifugal pump.
- the boosting pump 21 may be provided between the buffer tank 30 and the vaporizer 40 on the liquefied gas supply line L1, and may be provided from the liquefied gas or the buffer tank 30 supplied from the feeding pump 20.
- the supplied liquefied gas may be pressurized to 50 to 120 bar and supplied to the vaporizer 40.
- the boosting pump 21 may pressurize the liquefied gas according to the pressure required by the first demand destination 70, and may be configured as a centrifugal pump.
- the boosting pump 21 may be provided on the upper deck 104 of the bow portion 101.
- the buffer tank 30 may be connected to the liquefied gas supply line L1 to receive liquefied gas from the liquefied gas storage tank 10 and temporarily store the liquefied gas.
- the buffer tank 30 may be supplied with the liquefied gas stored in the liquefied gas storage tank 10 from the feeding pump 20 through the liquefied gas supply line (L1), by temporarily storing the supplied liquefied gas
- the liquefied gas may be separated into a liquid phase and a gaseous phase, and the separated liquid phase may be supplied to the boosting pump 21.
- the buffer tank 30 temporarily stores the liquefied gas to separate the liquid phase and the gaseous phase, and supplies the complete liquid phase to the boosting pump 21 so that the boosting pump 21 satisfies the effective suction head NPSH. Therefore, it is possible to prevent the cavitation (Cavitation) in the boosting pump (21).
- the buffer tank 30 is connected to the boil-off gas supply line (L6) can be temporarily stored by receiving the boil-off gas generated in the liquefied gas storage tank 10.
- the buffer tank 30 may be temporarily stored by receiving the boil-off gas generated in the liquefied gas storage tank 10 from the boil-off gas compressor 80 through the boil-off gas supply line L6.
- the buffer tank 30 may be condensed by exchanging the temporarily stored liquefied gas received from the liquefied gas supply line (L1) and the evaporated gas received from the evaporated gas supply line (L6).
- the buffer tank 30 may be formed in a pressure vessel type capable of withstanding pressure, and may endure 6 to 8 bar or 6 to 15 bar.
- the buffer tank 30 receives the evaporated gas and the liquefied gas through the evaporative gas compressor 80 and the feeding pump 20 at a pressure of about 6 to 8 bar (or even 6 to 15 bar) and the low pressure evaporated gas.
- the recondensation efficiency is improved than that of the liquefied gas, and the condensation is maintained by maintaining the pressure to be supplied to the boosting pump 21 to reduce the compression load of the boosting pump 21.
- the buffer tank 30 is provided with a spray portion 31 and the packing portion 32, it is possible to effectively recondensing the liquefied gas and the evaporated gas in the temporary storage.
- the spray unit 31 may extend from the distal end of the liquefied gas supply line L1 into the buffer tank 30 and be provided above the packing unit 32, and may be provided through the liquefied gas supply line L1.
- the supplied liquefied gas may be injected into the packing part 32.
- the spray unit 31 may increase the area in contact with the liquefied gas and the boil-off gas by spraying the liquid liquefied gas, and may play a role similar to that of the packing unit 32.
- the packing part 32 may be provided in the center of the buffer tank 30, and the liquefied gas supplied onto the liquefied gas supply line L1 and the boil-off gas supplied onto the boil-off gas supply line L1 are mutually provided.
- a member such as gravel can be formed inside to increase the surface area in contact. That is, the packing part 32 may form numerous pores through the gravel formed therein, and the area where the liquefied gas flows and contacts the boil-off gas may increase through the pores.
- the packing part 32 may improve the recondensation rate by increasing the heat exchange efficiency of the liquefied gas and the boil-off gas.
- the buffer tank 30 is connected to the liquefied gas supply line (L1) at the upper position relative to the packing portion 32, and connected to the boil-off gas supply line (L6) at the lower position to flow liquidity and gaseous phase You can make the most of the quality.
- the buffer tank 30 may be provided above the upper deck 104 of the bow portion 101.
- the vaporizer 40 may be provided on the regasification line L2 to vaporize the high pressure liquefied gas discharged from the boosting pump 21.
- the vaporizer 40 is provided on the regasification line L2 between the first demand destination 70 and the boosting pump 21 to vaporize the high pressure liquefied gas supplied from the boosting pump 21 to the first.
- the customer 70 can supply the desired state.
- the vaporizer 40 may use a non-explosive fruit such as glycol water, sea water, steam or engine exhaust gas as the first fruit for vaporizing the liquefied gas,
- the vaporized liquefied gas may be supplied to the first demand destination 70 without fluctuation in pressure.
- the vaporizer 40 may be disposed above the upper deck 104 of the bow portion 101, and the seawater heat exchanger 41, the steam heat exchanger 61, and the heat source pump 42 are modularized so that the bow portion 101 is provided. It may be disposed in the interior space.
- the seawater heat exchanger 41, the steam heat exchanger 61 and the heat source pump 42 may be modularized and disposed on the inner side of the hull 100, preferably inside the engine room ER, Preferably it may be disposed in the interior space of the bow portion (101).
- seawater heat exchanger 41 the steam heat exchanger 61, and the heat source pump 42 will be described below based on an example in which the inner space of the bow portion 101 is disposed.
- An example disposed on both sides will be described with reference to FIGS. 5 to 9.
- the seawater heat exchanger 41 and the heat source pump 42 are disposed above the upper deck 104 of the hull 100 so that the seawater pump 51 and the seawater.
- the length of the seawater line L4 connecting the heat exchanger 41 was very long.
- the cost of the seawater line (L4) is very expensive because it has to be corrosion-resistant and a large diameter pipe is used.
- the length of the seawater line (L4) is very long, and the construction cost is enormous. There was a problem.
- it may further include a seawater pump 51 provided on the seawater line (L4).
- the steam heat exchanger 61 is provided on the steam line L5 and the heat source circulation line L3 to exchange steam supplied through the steam line L5 and the first fruit supplied through the heat source circulation line L3 to each other.
- Heat exchange and may serve to additionally transfer the heat source of sea water to the first fruit.
- the steam may be heat-exchanged with the first fruit in suboptimal seawater.
- the steam may be suboptimally supplied to the first fruit in order to compensate for the lack of the heat source supplied from the sea water.
- the heat source pump 42 may be provided on the heat source circulation line L3 to circulate the first fruit to the seawater heat exchanger 41 and the steam heat exchanger 61 provided on the heat source circulation line L3.
- the heat source pump 42 may be modularized with the seawater heat exchanger 41 and provided in the inner space of the bow portion 101, and may be disposed on the second deck D2 of the bow portion 101.
- the heat exchanger 41 and the first deck D1 may be disposed to be partitioned up and down.
- the first heat exchanger 401 may perform a function of raising the temperature of the liquefied gas vaporized by a trim heater
- the second heat exchanger 402 may be a liquid vaporized gas by an LNG vaporizer.
- the first heater 621 and the second heater 622 may be an electric heater.
- the embodiment of the present invention may further include a seawater parallel line (L4a) and steam parallel line (L5a), the seawater parallel line (L4a) is branched on the seawater line (L4) to the second seawater heat exchanger ( In parallel with 412, the steam parallel line L5a may be branched on the steam line L5 and connected in parallel with the second heater 622.
- L4a seawater parallel line
- L5a steam parallel line
- gas regasification system 2 may further include a pressure maintaining device 94.
- the pressure holding device 94 since the pressure holding device 94 maintains the pressure of the first fruit by using an inert gas, the pressure holding device 94 can be compact and can be arranged in the inner space of the hull 100.
- the second demand destination 61 may be provided on the deck D of the engine room ER provided in the stern part 103, and the second demand destination 61 is the steam heat exchanger 62 described above. ) And the steam line (L5) can be connected.
- the first demand destination 70 can receive and consume the liquefied gas vaporized by the vaporizer 40.
- the first demand destination 70 may vaporize the liquefied gas and receive and use the liquefied gas in a gaseous phase.
- the first demand destination 70 may be a land terminal installed on the land or a marine terminal floating on the sea.
- a plurality of boil-off gas compressors 80 may be provided to pressurize the boil-off gas in multiple stages.
- three boil-off gas compressors 80 may be provided to pressurize the boil-off gas in three stages.
- the three stage compressor as an example here is just one example and is not limited to three stages.
- an evaporative gas cooler (not shown) may be provided at each rear end of the evaporative gas compressor 80.
- the temperature may also increase as the pressure increases, so in the present embodiment, the boil-off gas may be lowered again using the boil-off gas cooler.
- the boil-off gas cooler may be installed in the same number as the boil-off gas compressor 80, and each boil-off gas cooler may be provided downstream of each boil-off gas compressor 80.
- the boil-off gas compressor 80 when the amount of boil-off gas generated in the liquefied gas storage tank 10 is rapidly increased by the boil-off gas compressor 80 is provided in parallel, all of them can be accommodated, or the boil-off gas compressor If one of the (80) is malfunctioning or shut down (Shut down), the other one of the boil-off gas compressor (80) can be operated to efficiently receive and treat the boil-off gas generated in the liquefied gas storage tank (10) Can be.
- the boil-off gas compressor 80 may be provided above the upper deck 104 of the bow portion 101.
- FIG. 3 is a conceptual diagram illustrating a gas regasification system according to another embodiment of the present invention.
- the gas regasification system 3 includes a liquefied gas storage tank 10, a feeding pump 20, a boosting pump 21, and a buffer tank 30. , Carburetor 40, second demand source 61, first demand source 70, boil-off gas compressor 80, boil-off gas suction unit 90, first and second pressurizing means (91,92) and nitrogen separator (93).
- Liquefied gas storage tank 10 feeding pump 20, boosting pump 21, buffer tank 30, vaporizer 40, first heat exchanger 41, second heat exchanger 42, second demand destination Reference numeral 61, the first demand source 70 and the boil-off gas compressor 80 are the same as or similar to those described in the gas regasification system 2 according to the embodiment of the present invention, and are thus replaced.
- bypass line L8 and the boil-off gas suction line L9 may be further included.
- Each line may be provided with valves (not shown) that can adjust the opening degree, and the supply amount of the boil-off gas or liquefied gas may be controlled by adjusting the opening degree of each valve.
- the bypass line L8 branches off the vaporizer 40 on the regasification line L2, preferably downstream of the first heat exchanger 401 to bypass the boil-off gas intake unit 90 and then to the first demand source. 70 can be connected upstream.
- the bypass line L8 may supply the liquefied gas regasified by the vaporizer 40 directly to the first demand destination 70 when the evaporation gas suction unit 90 is not driven.
- the boil-off gas suction line L9 connects the boil-off gas suction unit 90 and the liquefied gas storage tank 10 to supply the boil-off gas generated in the liquefied gas storage tank 10 to the boil-off gas suction unit 90. Can be.
- the boil-off gas suction unit 90 is provided downstream of the vaporizer 40 on the regasification line L2 to suck the boil-off gas generated in the liquefied gas storage tank 10.
- the evaporation gas suction unit 90 is provided downstream of the vaporizer 40 on the regasification line (L2) is connected through the liquefied gas storage tank 10 and the evaporation gas suction line (L9), the regasification line ( After the vaporized liquefied gas supplied from the vaporizer 40 through the L2) as a driving fluid (Driving Fluid) to suck the evaporated gas generated in the liquefied gas storage tank 10 through the evaporation gas suction line (L9), The mixture may be supplied to the first demand destination 70 through the regasification line L2.
- the vaporized liquefied gas flowing into the boil-off gas suction unit 90 has a pressure of 50 to 120 bar (preferably 100 bar), and the evaporated gas generated in the liquefied gas storage tank 10 is 1.00 bar to 1.10 bar (preferably). Preferably about 1.06 bar).
- the second pressurizing means 92 is provided between the boil-off gas suction unit 90 and the first demand destination 70 on the regasification line L2 and is discharged from the boil-off gas suction unit 90 (vaporized liquefaction). Gas and a mixture of boil-off gas) can be pressurized.
- the second pressurizing means 92 is a means for pressurizing the gas and may be, for example, a compressor.
- the separated nitrogen may be supplied to a nitrogen demand source (not shown) that consumes nitrogen in the hull 100, and may be supplied to the pressure holding device 94 to maintain the pressure of the first fruit, for example.
- the gas regasification system 4 includes a liquefied gas storage tank 10, a feeding pump 20, a boosting pump 21, and a buffer.
- a tank 30, a vaporizer 40, a second demand destination 61, a first demand destination 70, and an evaporative gas compressor 80 are included.
- FIGS. 5 to 8 The components not mentioned among the configurations shown in FIGS. 5 to 8 are the same as those of the ship including the gas regasification systems 2 and 3 described in FIGS. Replace the bar. However, the embodiment to be described in Figures 5 to 8, there are two differences from the vessel including the gas regasification system (2, 3) described in Figures 2 to 4 as follows.
- the transfer room TR and the convert room CVT may be disposed on the third deck D4, and the cargo switchboard room 2001 may be disposed in the cabin C.
- the cabin C may have a height lower than that of a cabin disposed in a ship including the gas regasification system 2, 3 according to the embodiment of FIGS. 2 to 4.
- the boiler (not shown) previously installed in the engine room ER is removed, and the middle of the seawater heat exchanger 41, the heat source pump 42, the glycol water storage tank 43, and the like.
- the fruit feeding device may be arranged in front of the engine E in the engine room ER.
- the seawater heat exchanger 41 and the heat source pump 42 are located in front of the engine E.
- a space for arranging an intermediate fruit supply device such as a glycol water storage tank 43 is secured.
- the medium fruit supply device can be arranged on board the ship as a non-explosive fruit, and can be arranged in the engine room ER in the ship, so that a large amount of space on the upper deck 104 can be secured. There is an effect of increasing the space utilization.
- FIG. 9 is a conceptual diagram of a seawater supply apparatus of the present invention.
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Abstract
Description
Claims (16)
- 선체;상기 선체의 상부에 마련되고 액화가스를 기화시켜 수요처로 공급하는 기화기; 및상기 선체의 내부에 마련되고 상기 기화기에 열원을 공급하는 열원공급장치를 포함하는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 1 항에 있어서,상기 선체의 내부 공간을 상하로 구획하는 적어도 하나의 데크를 더 포함하는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 2 항에 있어서, 상기 열원공급장치는,상기 열원을 공급하는 열원 펌프;상기 열원과 해수를 열교환시키는 해수 열교환기; 및상기 열원 펌프 및 상기 해수 열교환기가 구비되는 열원 순환라인을 포함하고,상기 열원 펌프와 상기 해수 열교환기는,상기 데크에 의해 서로 상측 또는 하측으로 구획되어 배치되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 3 항에 있어서,상기 해수 열교환기로 상기 해수를 공급하는 해수 펌프; 및상기 해수가 유동하며 상기 해수 펌프 및 상기 해수 열교환기를 구비하는 해수라인을 더 포함하고,상기 열원 순환라인은,직경이 상기 해수 라인의 직경보다 작게 형성되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 4 항에 있어서,상기 해수 라인은, 일단이 상기 선체의 측면에 형성된 해수 유입구와 연결되고 타단이 상기 선체의 측면에 형성된 해수 배출구와 연결되며,상기 열원공급장치는,상기 선체 내부의 상기 해수 배출구가 구비되는 구역에 배치되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 4 항에 있어서, 상기 해수 펌프는,상기 선체의 내부 선수측에 배치되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 3 항에 있어서,상기 열원과 스팀을 열교환시키는 스팀 열교환기를 더 포함하고,상기 열원 펌프, 상기 해수 열교환기 또는 상기 스팀 열교환기는,상기 데크에 의해 서로 상측 또는 하측으로 구획되어 배치되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 7 항에 있어서,상기 스팀을 발생시키며, 상기 선체 내의 엔진룸에 배치되는 보일러; 및상기 스팀 열교환기와 상기 보일러를 상기 스팀이 순환하도록 연결하는 스팀 라인을 더 포함하고,상기 스팀 라인은,적어도 일부 상기 선체의 선저부에 형성되는 헐(Hull)의 내부에 마련되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 8 항에 있어서, 상기 스팀은,상기 해수에 차선하여 상기 열원과 열교환하는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 7 항에 있어서, 상기 열원공급장치는,상기 열원 펌프, 상기 해수 열교환기 또는 상기 스팀 열교환기를 포함하도록 하는 모듈형으로 제작되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 1 항에 있어서, 상기 열원공급장치는,상기 선체의 내부 선수측에 배치되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 1 항에 있어서, 상기 열원공급장치는,상기 선체의 내부 측면에 배치되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 12 항에 있어서, 상기 열원공급장치는,상기 선체의 선미 내부에 배치되는 엔진룸의 측면에 배치되는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 1 항에 있어서, 상기 열원은,비폭발성 냉매인 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 14 항에 있어서, 상기 열원은,글리콜 워터(Glycol water)인 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
- 제 3 항에 있어서, 상기 열원공급장치는,상기 열원순환라인 내에 유동하는 열원의 압력을 유지시키는 압력유지장치를 포함하고,상기 압력유지장치는,불활성 가스를 이용하여 상기 열원의 압력을 유지시키는 것을 특징으로 하는 가스 재기화 시스템을 구비하는 선박.
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CN202310802097.7A CN116654184A (zh) | 2016-04-07 | 2017-03-30 | 具有气体再汽化系统的船舶 |
EP17747847.6A EP3412555A4 (en) | 2016-04-07 | 2017-03-30 | SHIP WITH SYSTEM FOR RE-GAS EVAPORATION |
CN201780009022.6A CN108698672A (zh) | 2016-04-07 | 2017-03-30 | 具有气体再汽化系统的船舶 |
US16/073,771 US10823335B2 (en) | 2016-02-01 | 2017-03-30 | Ship including gas re-vaporizing system |
JP2018539953A JP6689997B2 (ja) | 2016-04-07 | 2017-03-30 | ガス再気化システムを備える船舶 |
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KR1020160092196A KR101927585B1 (ko) | 2016-02-01 | 2016-07-20 | 가스 재기화 시스템을 구비하는 선박 |
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