KR102286693B1 - A Regasification System Of Gas and Vessel having same - Google Patents

Abstract

A gas regasification system according to the present invention includes: a vaporizer for vaporizing liquefied gas stored in a liquefied gas storage tank; and a heat source supply device for transferring the heating medium that exchanges heat with the liquefied gas to the vaporization unit, wherein the heat source supply device comprises a compressor for compressing the gaseous heating medium and supplying it to the trim heater.

Description

A gas regasification system and a vessel including the same {A Regasification System Of Gas and Vessel having same}

The present invention relates to a gas regasification system and a ship including the same.

In general, LNG is a clean fuel and is known to have more abundant reserves than petroleum, and its usage is rapidly increasing as mining and transport technologies are developed. In such LNG, methane, the main component, is generally stored in a liquid state by lowering the temperature to -162 ° C or lower under 1 atm. The volume of liquefied methane is about 1/600 of the volume of gaseous methane, which is a standard state, is 0.42, which is about one-half of the share of crude oil.

LNG is liquefied due to its ease of transport and vaporized at the place of use after transport. However, there are concerns about installing LNG gasification facilities onshore due to the risk of natural disasters and terrorism.

For this reason, instead of the conventional liquefied natural gas regasification system installed on land, a regasification device is installed in an LNG carrier that transports liquefied natural gas, and a facility to supply vaporized natural gas to land is in the spotlight.

In the LNG regasification system, the LNG stored in the liquefied gas storage tank is pressurized by the boosting pump and sent to the LNG vaporizer, and is vaporized to NG in the LNG vaporizer and sent to the demand on land. Here, 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 energy used in this process is wasted due to inefficient exchange, various heat exchange technologies for efficient regasification are being studied.

The present invention was created to improve the prior art, and to provide a gas regasification system that can maximize the regasification efficiency of liquefied gas and a ship including the same.

A gas regasification system according to the present invention includes: a vaporizer for vaporizing liquefied gas stored in a liquefied gas storage tank; and a heat source supply device for transferring the heating medium that exchanges heat with the liquefied gas to the vaporization unit, wherein the heat source supply device comprises a compressor for compressing the gaseous heating medium and supplying it to the trim heater.

Specifically, it further includes a heat source heat exchanger that transfers a heat source to the heat medium, and the compressor may be provided downstream of the heat source heat exchanger.

Specifically, the heat source supply device may include: a first heat source supply device for supplying a first heating medium serving as a heat source to the vaporizer; and a second heat source supply device configured to supply a second heating medium serving as a heat source to the trim heater.

Specifically, the first heat source supply device may include: a heat medium first circulation line circulating the first heat medium and having the vaporizer; a heating medium pump provided on the first heating medium circulation line and supplying the liquid heating medium to the vaporizer by pressurizing the first heating medium; and a first heat exchanger transmitting a heat source to the first heat medium, wherein the second heat source supply device includes: a heat medium second circulation line circulating the second heat medium and including the trim heater; a second heat exchanger for transferring a heat source to the second heating medium; and the compressor.

Specifically, the heat medium first circulation line is provided in the order of the heat medium pump, the first heat exchanger, and the vaporizer, and the heat medium second circulation line includes the second heat exchanger, the compressor, and the trim heater. Can be provided in order.

Specifically, a liquefied gas supply line connecting the liquefied gas storage tank and the customer; a feeding pump provided on the liquefied gas supply line; a suction drum provided on the liquefied gas supply line and temporarily storing the liquefied gas supplied from the feeding pump; and a boosting pump that receives the liquefied gas from the suction drum and pressurizes it to a high pressure to supply it to the vaporization unit.

Specifically, a boil-off gas compressor for pressurizing the boil-off gas generated in the liquefied gas storage tank; And it may further include a power generation engine for receiving the pressurized boil-off gas from the boil-off gas compressor to generate electric power.

Specifically, the first heating medium may be glycol water, and the second heating medium may be propane.

Specifically, it may be a ship, characterized in that it includes the gas regasification system.

A gas regasification system and a ship including the same according to the present invention have the effect that the regasification efficiency of liquefied gas can be maximized.

1 is a conceptual diagram of a ship having a gas regasification system according to an embodiment of the present invention.
2 is a conceptual diagram of a gas regasification system according to an embodiment of the present invention.
3 is a conceptual diagram of a gas regasification system according to another embodiment of the present invention.

The objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and preferred embodiments taken in conjunction with the accompanying drawings. In the present specification, in adding reference numbers to the components of each drawing, it should be noted that only the same components are given the same number as possible even though they are indicated on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of a related known technology may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Hereinafter, in this specification, liquefied gas may be used to encompass all gas fuels that are generally stored in a liquid state, such as LNG or LPG, ethylene, ammonia, etc. can be expressed as This can be applied to boil-off gas as well. In addition, for convenience, LNG can be used to encompass both NG (Natural Gas) in a liquid state as well as NG in a supercritical state, etc. can

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual diagram of a ship having a gas regasification system according to an embodiment of the present invention.

As shown in FIG. 1 , the ship 1 provided with the gas regasification systems 2 and 3 is a liquefied gas storage tank 10 , a feeding pump 20 , a boosting pump 21 , and a suction drum 30 . ), a vaporization unit 40 , a boil-off gas compressor 50 , a first demand source 61 and a second demand source 62 .

Here, the ship 1 in which the gas regasification systems 2 and 3 are installed has a hull H composed of a bow (not shown), a stern (not shown), and an upper deck (not shown). There is, the propeller shaft (S) is propelled by transmitting the power produced by the engine (E) of the engine room (not shown) disposed in the stern to the propeller (P) to operate.

In addition, the ship 1 regasifies the liquefied gas at sea so that the liquefied gas can be supplied to the onshore terminal, the liquefied gas recovery in which the gas regasification systems 2 and 3 are installed in the liquefied gas carrier 1 It can be a gasification vessel (LNG RV) or a floating liquefied gas storage and regasification facility (FSRU).

Hereinafter, a gas regasification system 3 according to an embodiment of the present invention will be described with reference to FIG. 1 .

The gas regasification system (2, 3) according to the embodiment of the present invention extracts the liquefied gas in the liquid state from the liquefied gas storage tank 10 through the feeding pump 20 and passes through the suction drum 30 to the boosting pump ( 21), the vaporization unit 40 heats the liquefied gas through a heat source to regasify it, and a method of supplying it to the first consumer 61 is used. That is, simply, the gas regasification system 1 of the present invention regasifies the liquefied gas using the vaporizer 40 and supplies it to the first consumer 61 . At this time, the BOG generated in the liquefied gas storage tank 10 was pressurized by the BOG compressor 50 and supplied to the second consumer 62 for treatment.

The vaporizer 40 may receive seawater indirectly from a seawater supply device (not shown) and regasify the liquefied gas. , a method in which the intermediate fruit supplies the heat source supplied from the seawater to the vaporization unit 40)

All embodiments of the present invention will be described based on the indirect regasification method, and it should be noted that this is only for convenience of description and is not specifically limited in the present invention.

Before describing the individual configurations of the gas regasification systems 2 and 3 according to the embodiment of the present invention, basic flow paths that organically connect the individual components will be described. Here, the flow path is a passage through which the fluid flows and may be a line.

In the embodiment of the present invention, the liquefied gas first supply line (L1), the liquefied gas second supply line (L2), may further include a boil-off gas supply line (L3). Valves (not shown) capable of adjusting the opening degree may be installed in each line, and the supply amount of boil-off gas or liquefied gas may be controlled according to the control of the opening degree of each valve.

The liquefied gas first supply line L1 connects the liquefied gas storage tank 10 and the suction drum 30 and includes a feeding pump 20 to feed the liquefied gas stored in the liquefied gas storage tank 10 . It can be supplied to the suction drum 30 through (20). In this case, the liquefied gas first supply line L1 may be connected to the suction drum 30 and at the same time branch from the upstream of the suction drum 30 and directly connected to the liquefied gas second supply line L2 .

The liquefied gas second supply line (L2) connects the suction drum 30 and the first consumer 61 and includes a boosting pump 21 and a vaporizer 40, and the liquefied gas temporarily stored in the suction drum 30 The gas or liquefied gas directly supplied from the first supply line L1 may be pressurized by the boosting pump 21 and re-vaporized by the vaporizer 40 to be supplied to the first consumer 61 .

The boil-off gas supply line (L3) connects the liquefied gas storage tank 10 and the second demand source 62, and includes a boil-off gas compressor 50, so that the boil-off gas generated in the liquefied gas storage tank 10 is removed. It can be supplied to the second consumer 62 by pressurizing the boil-off gas compressor (50).

Hereinafter, individual components that are organically formed by each of the above-described lines L1 to L3 to implement the gas regasification system 1 will be described.

The liquefied gas storage tank 10 stores the liquefied gas to be supplied to the first consumer 61 . The liquefied gas storage tank 10 should store the liquefied gas in a liquid state. At this time, the liquefied gas storage tank 10 may have a pressure tank shape.

Here, the liquefied gas storage tank 10 is disposed inside the hull (H), and may be formed in four, for example, in front of the engine room. In addition, the liquefied gas storage tank 10 is, for example, a membrane type tank, but is not limited thereto, and the type is not particularly limited to various types, such as an independent tank.

The feeding pump 20 is provided on the liquefied gas first supply line L1, is installed inside or outside the liquefied gas storage tank 10, and liquefies the liquefied gas stored in the liquefied gas storage tank 10 to a suction drum ( 30) can be supplied.

Specifically, the feeding pump 20 is provided between the liquefied gas storage tank 10 and the suction drum 30 on the liquefied gas first supply line L1 to supply the liquefied gas stored in the liquefied gas storage tank 10 . It may be supplied to the suction drum 30 by primary pressure.

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 suction drum 30 . Here, the feeding pump 20 may pressurize the liquefied gas discharged from the liquefied gas storage tank 10 to slightly increase the pressure and temperature, and the pressurized liquefied gas may still be in a liquid state.

At this time, the feeding pump 20 may be a submersible pump when provided inside the liquefied gas storage tank 10 , and stored in the liquefied gas storage tank 10 when installed outside the liquefied gas storage tank 10 . It may be provided at a position inside the hull (H) lower than the level of the liquefied gas and may be a centrifugal pump.

The boosting pump 21 may be provided between the suction drum 30 and the vaporizer 40 on the liquefied gas second supply line L2, and the liquefied gas or the suction drum supplied from the feeding pump 20 ( 30) may be supplied to the vaporization unit 40 by pressurizing the liquefied gas supplied from 80 to 120 bar.

The boosting pump 21 may pressurize the liquefied gas according to the pressure required by the first demand 61 , and may be configured as a centrifugal pump.

The suction drum 30 may be connected to the liquefied gas first supply line L1 to receive and temporarily store the liquefied gas from the liquefied gas storage tank 10 .

Specifically, the suction drum 30 may receive the liquefied gas stored in the liquefied gas storage tank 10 from the feeding pump 20 through the liquefied gas first supply line L1, and temporarily use the supplied liquefied gas. By storing, the liquefied gas may be separated into a liquid phase and a gas phase, and the separated liquid may be supplied to the boosting pump 21 .

That is, the suction drum 30 temporarily stores the liquefied gas to separate the liquid phase and the gas phase, and then supplies the complete liquid to the boosting pump 21 so that the boosting pump 21 satisfies the effective suction head (NPSH). , thereby preventing cavitation in the boosting pump 21 .

The vaporizer 40 may be provided on the liquefied gas second supply line L2 to re-vaporize the high-pressure liquefied gas discharged from the boosting pump 21 .

Specifically, the vaporization unit 40 is provided on the liquefied gas second supply line (L2) between the first demand source 61 and the boosting pump 21 and is composed of a vaporizer 41 and a heater 42, boosting After vaporizing the high-pressure liquefied gas supplied from the pump 21 through the vaporizer 41 , the first consumer 61 may heat it to a desired temperature through the heater 42 and supply it to the first consumer 61 .

Hereinafter, the vaporization unit 40 in the gas processing system 2 according to an embodiment of the present invention will be described in detail with reference to FIG. 2 .

2 is a conceptual diagram of a gas regasification system according to an embodiment of the present invention.

As shown in FIG. 2 , the vaporizer 40 in the gas regasification system 2 according to an embodiment of the present invention includes a vaporizer 41 , a trim heater 42 , and a first heat medium circulation line GL1 . ), a heat medium second circulation line GL2 , a first heat medium pump 401 , a first heat exchanger 402 , a second heat exchanger 403 , and a compressor 404 .

Hereinafter, the vaporizer 40 may refer to a heat source supply device except for the vaporizer 41 and the heater 42 , and specifically, the vaporizer 41 , the first heat medium pump 401 , and the first heat exchanger. Reference numeral 402 may refer to a first heat source supply device, a trim heater 42 , a second heat exchanger 403 , and a compressor 404 as a second heat source supply device.

In addition, the vaporizer 40 supplies heat to the vaporizer 41 or the heater 42, and as a heat source circulating the first heat medium circulation line GL1, glycol water, a second heat medium circulation line ( Propane may be used as a heat source circulating GL2).

As shown in FIG. 2 , the vaporizer 40 in the gas regasification system 2 according to an embodiment of the present invention receives the first heat medium through the first heat source circulation line GL1 and receives the vaporizer 41 ) to vaporize the liquefied gas, receive the second heating medium through the second heat source circulation line GL2, and heat the liquefied gas to the temperature required by the first consumer 61 by the trim heater 42, The high-pressure vaporized liquefied gas can be supplied to the first consumer 61 without pressure fluctuation.

Here, the first heat medium and the second heat medium heat-exchanged with the liquefied gas are circulated again through the first heat source circulation line GL1 and the second heat source circulation line GL2, respectively.

A detailed description of the configuration is as follows.

The first heat medium circulation line GL1 includes a vaporizer 41 , a first heat medium pump 401 , and a first heat exchanger 402 , the vaporizer 41 , the first heat medium pump 401 , and the first heat exchange Group 402 may be arranged in order.

The first heat medium pump 401 is provided between the vaporizer 41 and the first heat exchanger 402 on the first heat medium circulation line GL1, and circulates the first heat medium on the first heat medium circulation line GL1. can do it

The first heat medium pump 401 may receive the first heat medium cooled from the vaporizer 41 and supply it to the first heat exchanger 402 , and may be, for example, a centrifugal pump.

The first heat exchanger 402 is provided between the first heat medium pump 401 and the vaporizer 41 on the first heat medium circulation line GL1, and the first seawater pump SWP1 on the first seawater line SWL1. The first heating medium may be heated by being supplied with seawater.

Here, the first heat exchanger 402 receives a large amount of seawater and heats the first heating medium to substantially vaporize the liquefied gas.

The second heat medium circulation line GL2 includes a trim heater 42 , a second heat exchanger 403 and a compressor 404 , and includes a trim heater 42 , a second heat exchanger 403 and a compressor 404 . may be arranged in order.

The second heat exchanger 403 is provided between the trim heater 42 and the compressor 404 on the second heat medium circulation line GL2, and is provided by the second seawater pump SWP2 on the second seawater line SWL2. The second heating medium may be heated by receiving seawater.

The compressor 404 is provided between the second heat exchanger 403 and the trim heater 42 on the second heat medium circulation line GL2, and can compress the second heat medium and supply it to the trim heater 42, The second heating medium may be circulated on the second heating medium circulation line GL2.

The compressor 404 may receive the second heat medium vaporized from the second heat exchanger 403 and supply it to the trim heater 42 , and may be, for example, a compressor.

The compressor 404 is provided downstream of the second heat exchanger 403 and receives a heat source from seawater to receive a vaporized second heating medium, and pressurizes the supplied vaporized second heating medium to form a trim heater 42 ) can be supplied.

That is, in the present invention, since the second heating medium is pressurized after heat exchange with seawater, the vaporized second heating medium can be supplied to the trim heater 42 so as to exchange heat with the liquefied gas in a vaporized state, which results in the trim heater ( 42), there is an effect that latent heat can be used, and the overall circulation requirement of the second heating medium is reduced.

In addition, the compressor consumes a lot of energy for pressurization compared to the pump, but the disadvantage can be reduced by minimizing the flow rate required by the trim heater. As it can bring the effect of height, it has the effect of reducing the CAPEX of the trim heater.

In addition, in the embodiment of the present invention, the vaporizer 40 does not vaporize and heat the liquefied gas as one heating medium, but by providing a separate heating medium in each of the vaporizer 41 and the trim heater 42, ( The first heat source supply device and the second heat source supply device) A liquid single-phase heating medium may circulate in the vaporizer 41 , and a phase-change heating medium that changes phase into a gaseous phase and a liquid phase may circulate in the trim heater 42 .

Due to this, in the embodiment of the present invention, it is possible to easily control the phase-changed heating medium (minimize the equipment through which the phase-changed heating medium flows), thereby improving the control ability of the regasification system.

3 is a conceptual diagram of a gas regasification system according to another embodiment of the present invention.

As shown in FIG. 3 , the vaporizer 40 in the gas regasification system 3 according to another embodiment of the present invention includes a vaporizer 41 , a trim heater 42 , and a first heat medium circulation line GL1 . ), a heat medium second circulation line GL2 , a first heat medium pump 401 , a first heat exchanger 402 , a second heat exchanger 403 , and a second heat medium pump 405 .

The vaporizer 40 in the gas regasification system 3 according to another embodiment of the present invention is the vaporizer 40 in the gas regasification system 2 according to an embodiment of the present invention shown in FIG. 2 . ) and the compressor 404 and each configuration other than the same reference numerals are used for convenience, but do not necessarily refer to the same configuration.

Hereinafter, the vaporizer 40 supplies heat to the vaporizer 41 or the heater 42 and circulates the first and second heat medium circulation lines GL1 and GL2 as a heat source. Glycol Water or propane (Propane) may be used.

Hereinafter, the configuration of the second heat medium pump 405 will be described in detail.

The second heat medium pump 405 is provided between the trim heater 42 and the second heat exchanger 403 on the second heat medium circulation line GL2, and transfers the second heat medium on the second heat medium circulation line GL2. can be cycled.

The second heat medium pump 405 may receive the second heat medium cooled from the trim heater 42 and supply it to the second heat exchanger 403 , and may be, for example, a centrifugal pump.

In the embodiment of the present invention, the vaporizer 40 does not vaporize and heat the liquefied gas as one heating medium, but by providing a separate heating medium in each of the vaporizer 41 and the trim heater 42, (first The heat source supply device and the second heat source supply device) have the effect of easily controlling the operation of the carburetor 41 and the trim heater 42 having different operating conditions.

In the embodiment of the present invention, for example, in the first heat medium circulation line GL1, latent heat is used to use propane to improve the vaporization rate of the liquefied gas, and in the second heat medium circulation line GL2, specific heat is used. By using this high and safe substance, glycol water, there is an effect that can increase the safety of the system and increase the driving reliability.

That is, there is an effect that the operation conditions of the carburetor 41 and the trim heater 42, which are heating devices of the evaporator 40, are individually controlled to enable optimized control according to the situation of each device.

The boil-off gas compressor 50 may pressurize the boil-off gas generated in the liquefied gas storage tank 10 and supply it to the second consumer 62 .

Specifically, the boil-off gas compressor 50 is provided on the boil-off gas supply line L3, and pressurizes the boil-off gas generated in the liquefied gas storage tank 10 to about 6 to 8 bar or 6 to 15 bar to the second consumer ( 62) can be supplied.

A plurality of BOG compressors 50 may be provided to pressurize BOG in multiple stages. For example, three BOG compressors 50 may be provided to pressurize BOG in three stages. The three-stage compressor exemplified herein is merely an example and is not limited to the three-stage compressor.

In the embodiment of the present invention, a boil-off gas cooler (not shown) may be provided at each rear end of the boil-off gas compressor 50 . When the boil-off gas is pressurized by the boil-off gas compressor 50, the temperature of the boil-off gas may be lowered again by using the boil-off gas cooler in the present embodiment because the temperature may also increase as the pressure rises. The BOG cooler may be installed in the same number as the BOG compressor 50 , and each BOG cooler may be provided downstream of each BOG compressor 50 .

In addition, in the embodiment of the present invention, when the boil-off gas compressor 50 is provided in parallel to rapidly increase the amount of boil-off gas generated in the liquefied gas storage tank 10, all of them can be accommodated, or the boil-off gas compressor When one of (50) malfunctions or is shut down (Shut down), the other BOG compressor (50) can be operated to efficiently receive and process BOG generated in the liquefied gas storage tank (10). can

The first consumer 61 may receive and consume the liquefied gas vaporized by the vaporizer 40 . Here, the first consumer 61 may be a land terminal installed on land or an offshore terminal installed in the sea by vaporizing the liquefied gas to receive and use the gaseous liquefied gas.

The second consumer 62 receives the boil-off gas generated from the liquefied gas storage tank 10 and uses it as fuel. That is, the second consumer 62 requires boil-off gas and may be driven using it as a raw material. The second consumer 62 may be a generator (eg, DFDG), a gas combustion unit (GCU), or a boiler (eg, a boiler generating steam), but is not limited thereto.

Specifically, the second consumer 62 is connected to the boil-off gas supply line L3 to receive the boil-off gas, and the boil-off gas pressurized to a low pressure of about 1 to 6 bar (maximum 15 bar) by the boil-off gas compressor 50 is supplied. It can be supplied and used as fuel.

In addition, the second consumer 62 may be a heterogeneous fuel engine capable of using different fuels, so that not only BOG but also oil can be used as fuel, but BOG and oil are not mixed and supplied, and BOG or oil is optional. can be supplied as This is to prevent the two materials having different combustion temperatures from being mixed and supplied, thereby preventing the efficiency of the second consumer 62 from falling.

Here, the second demand 62 may be provided on the deck (not shown) of the engine room provided inside the stern.

As described above, the vessel 1 having the gas regasification systems 2 and 3 according to the present invention has the effect that the regasification efficiency of the liquefied gas can be maximized.

Although the present invention has been described in detail through specific examples, this is for the purpose of describing the present invention in detail, and the present invention is not limited thereto, and by those of ordinary skill in the art within the technical spirit of the present invention. It will be clear that the transformation or improvement is possible.

All simple modifications and variations of the present invention fall within the scope of the present invention, and the specific scope of protection of the present invention will be made clear by the appended claims.

1: Vessel 2,3: Gas regasification system of the present invention
10: liquefied gas storage tank 20: feeding pump
21: boosting pump 30: suction drum
40: vaporizer 41: vaporizer
42: trim heater
401: first heat medium pump
402: first heat exchanger
403: second heat exchanger
404: Compressor
405: second heat medium pump
50: boil-off gas compressor
61: first consumer
62: second demand
L1: liquefied gas first supply line
L2: liquefied gas second supply line
L3: BOG supply line
GL1: heat medium first circulation line
GL2: heat medium second circulation line
SWL1: 1st seawater line
SWL2: 2nd seawater line
SWP1: first seawater pump
SWP2: 2nd seawater pump

Claims (9)

a vaporizer comprising: a vaporizer for vaporizing the liquefied gas stored in the liquefied gas storage tank; and a trim heater for heating the vaporized liquefied gas from the vaporizer and supplying it to a consumer; and
And a heat source supply device for transferring the heat medium to the liquefied gas and heat exchange with the vaporization unit,
The heat source supply device,
a first heat source supply device for supplying a liquid first heating medium as a heat source to the vaporizer; and
and a second heat source supply device for supplying a gaseous second heating medium as a heat source to the trim heater,
The first heating medium is glycol water, and the second heating medium is propane, which is a phase change heating medium,
The first heat source supply device,
a heating medium first circulation line circulating the first heating medium and having the vaporizer;
a first heat exchanger provided on the first seawater line of the first seawater supply device and the first heat medium circulation line, and configured to heat the first heat medium through heat exchange with seawater; and
and a heat medium pump provided on the heat medium first circulation line and supplying the heated first heat medium to the vaporizer by pressurizing the first heat medium;
The second heat source supply device,
a heat medium second circulation line circulating the second heat medium and having the trim heater;
a second heat exchanger provided on the second seawater line of the second seawater supply device and the second heat medium circulation line and configured to heat the second heat medium through heat exchange with seawater; and
and a compressor provided on the second heating medium circulation line downstream of the second heat exchanger, the compressor compressing the heated second heating medium and supplying it to the trim heater. delete delete delete According to claim 1, wherein the heat medium first circulation line,
provided in the order of the heat medium pump, the first heat exchanger, and the vaporizer,
The heat medium second circulation line,
The gas regasification system, characterized in that provided in the order of the second heat exchanger, the compressor, and the trim heater. The method of claim 1,
a liquefied gas supply line connecting the liquefied gas storage tank and the customer;
a feeding pump provided on the liquefied gas supply line;
a suction drum provided on the liquefied gas supply line and temporarily storing the liquefied gas supplied from the feeding pump; and
Gas regasification system, characterized in that it receives the liquefied gas from the suction drum and pressurizes it to a high pressure, and further comprises a boosting pump for supplying the liquefied gas to the vaporization unit. 7. The method of claim 6,
a boil-off gas compressor for pressurizing the boil-off gas generated in the liquefied gas storage tank; and
Gas regasification system, characterized in that it further comprises a power generation engine for receiving the pressurized boil-off gas from the boil-off gas compressor to generate electric power. delete 8. A vessel comprising the gas regasification system of any one of claims 1, 5-7.

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