KR20170073262A - Regasification System of liquefied Gas - Google Patents
Regasification System of liquefied Gas Download PDFInfo
- Publication number
- KR20170073262A KR20170073262A KR1020150181959A KR20150181959A KR20170073262A KR 20170073262 A KR20170073262 A KR 20170073262A KR 1020150181959 A KR1020150181959 A KR 1020150181959A KR 20150181959 A KR20150181959 A KR 20150181959A KR 20170073262 A KR20170073262 A KR 20170073262A
- Authority
- KR
- South Korea
- Prior art keywords
- fruit
- liquefied gas
- supply line
- pump
- power source
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0146—Two-phase
- F17C2225/0153—Liquefied gas, e.g. LPG, GPL
- F17C2225/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0171—Arrangement
- F17C2227/0185—Arrangement comprising several pumps or compressors
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
- F17C2227/0309—Heat exchange with the fluid by heating using another fluid
- F17C2227/0316—Water heating
- F17C2227/0318—Water heating using seawater
-
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/05—Regasification
-
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a liquefied gas regeneration system, comprising: a liquefied gas supply line connected from a liquefied gas storage tank to a customer; A liquefied gas pump provided in the liquefied gas supply line for transferring liquefied gas from the liquefied gas storage tank to a customer; A vaporizer provided downstream of the liquefied gas pump in the liquefied gas supply line to regenerate the liquefied gas; A fruit supply line for supplying fruit to the vaporizer; A fruit pump provided in the fruit supply line and driven by a motor to transfer the fruit; A power source for supplying electric power to the motor; And a battery connected to the power source for storing electric power and supplying electric power to the motor when necessary, wherein the battery is configured to operate the electric power pump when a power supply problem occurs, Circulation in the supply line to prevent freezing of the fruit.
Description
The present invention relates to a liquefied gas regeneration system.
Recently, as environmental regulations are strengthened, the use of liquefied natural gas (Liquefied Natural Gas), which is close to eco-friendly fuel among various fuels, is increasing. Liquefied natural gas is typically transported through an LNG carrier, where the liquefied natural gas can be stored in a tank of LNG carriers in a liquid state at temperatures below -162 ° C at 1 atm. Liquefied natural gas can be transported in a liquid state because the volume of the natural gas is reduced to one-sixth of that of the gas state.
However, liquefied natural gas is generally consumed in a gaseous state rather than in a liquid state, so that liquefied natural gas stored and transported in a liquid phase needs to be regenerated, and a regenerating system is used.
At this time, the regeneration facility may be mounted on a ship such as LNG carrier, FLNG, FSRU, or the like, and the regeneration facility realizes regeneration by heating liquefied natural gas using a heat source such as seawater.
However, since the liquefied natural gas is in a cryogenic temperature close to -160 degrees, if the temperature difference between the heat source and the heat source becomes large, the durability and the like of the heat exchanger for heating the liquefied natural gas may occur. In addition, when liquefied natural gas is heated using seawater, corrosion of the heat exchanger may occur.
Recently, many researches and developments have been made in order to simplify the regeneration facilities while stabilizing the various components in the process of regenerating the liquefied natural gas stored in the liquid phase.
SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art as described above, and an object of the present invention is to provide a liquefied natural gas which is cooled by a liquefied gas and simultaneously used for purging and cooling down, To provide a re-ignition system.
It is also an object of the present invention to provide a liquefied gas regeneration system that prevents environmental pollution by mixing liquefied gas with seawater that is not heat-exchanged so that seawater discharged to the sea when the seawater is used as a fruit has an appropriate temperature.
It is also an object of the present invention to provide a liquefied gas regeneration system capable of increasing energy efficiency by generating steam from a vaporized gas using a solid oxide fuel cell (SOFC) and utilizing it as a regenerated heat source.
It is also an object of the present invention to provide a liquefied gas regeneration system which ensures that the fruit is continuously circulated in order to prevent a problem of flow of the fruit such as glycol water and to prevent the liquefied gas from freezing the fruit.
A liquefied gas regeneration system according to an aspect of the present invention includes a liquefied gas supply line connected from a liquefied gas storage tank to a customer site; A liquefied gas pump provided in the liquefied gas supply line for transferring liquefied gas from the liquefied gas storage tank to a customer; A vaporizer provided downstream of the liquefied gas pump in the liquefied gas supply line to regenerate the liquefied gas; A fruit supply line for supplying fruit to the vaporizer; A fruit pump provided in the fruit supply line and driven by a motor to transfer the fruit; A power source for supplying electric power to the motor; And a battery connected to the power source for storing electric power and supplying electric power to the motor when necessary, wherein the battery is configured to operate the electric power pump when a power supply problem occurs, Circulation in the supply line to prevent freezing of the fruit.
Specifically, the battery is connected to the power source to receive and store power from the power source, and may be connected to the motor to supply power to the motor without passing through the power source.
The power source may be connected to a motor of the plurality of the fruit pumps, and the battery may be connected to at least one of the plurality of the fruit pumps.
Specifically, the plurality of the fruit pumps may be connected to the motors of the plurality of the fruit pumps, and the batteries may be connected to any one of the plurality of the fruit pumps.
Specifically, the above-mentioned fruit pump is provided in plural, and the power source is connected to any one of the plurality of the fruit pumps, and the battery can be connected to the other one of the plurality of fruit pumps .
The liquefied gas regeneration system according to the present invention can simultaneously utilize the inert gas used for purging in cooling down, thereby simplifying the system configuration and reducing the operating cost.
The liquefied gas regeneration system according to the present invention mixes fresh seawater so as not to cause environmental pollution while discharging seawater cooled by liquefied gas to the sea when seawater is used as a fruit, You can guess.
Also, the liquefied gas regeneration system according to the present invention can generate the fruit by using the solid oxide fuel cell that generates electricity and heat through the evaporation gas generated in the liquefied gas storage tank, thereby reducing the running cost and the investment cost.
Further, the liquefied gas regeneration system according to the present invention is capable of preventing the liquefied gas from solidifying due to continuous circulation of the liquor when there is a problem in the flow of the liquor by providing a storage battery.
1 is a conceptual diagram of a liquefied gas regeneration system according to a first embodiment of the present invention.
2 and 3 are conceptual diagrams of a liquefied gas regeneration system according to a second embodiment of the present invention.
4 and 5 are conceptual diagrams of a liquefied gas regeneration system according to a third embodiment of the present invention.
6 is a conceptual diagram of a liquefied gas regeneration system according to a fourth embodiment of the present invention.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Hereinafter, the liquefied gas may be LPG, LNG, or ethane, and may be, for example, LNG (Liquefied Natural Gas), and the evaporation gas may refer to BOG (Boil Off Gas) such as natural vaporized LNG.
1 is a conceptual diagram of a liquefied gas regeneration system according to a first embodiment of the present invention.
1, a liquefied
The liquefied
The liquefied gas stored in the liquefied
The liquefied
The
The liquefied
An intermediate storage tank (21) may be provided between the liquefied gas pump (20) and the liquefied gas storage tank (10). The
In the
The
However, a valve (not shown) is provided in the liquefied
The
The
When the fruit is seawater, the
On the other hand, when the fruit is steam or glycol water, the
The liquefied gas vaporized by the
The
The
The inert
The inert gas supplied from the
That is, in this embodiment, the inert gas is cooled through the inert
Therefore, the present embodiment can drastically shorten the time required for purging and the time required for cooling down as a whole, and can prevent loss of liquefied gas without using liquefied gas at the time of cooling down.
The inert
The inert gas that has undergone the purging and cooling down can be discharged from the liquefied
At this time, the inert
In addition, since the ball active
As described above, the present embodiment integrates purging using inert gas and cooling down using liquefied gas, so that purging and cooling down using inert gas can be implemented at the same time. And the unnecessary consumption of the liquefied gas can be prevented.
2 and 3 are conceptual diagrams of a liquefied gas regeneration system according to a second embodiment of the present invention.
2 and 3, a liquefied
In this embodiment, the
The
Therefore, this embodiment can allow other fruits to be mixed in the
That is, the
To this end, a
The
The amount of the fruit transferred to the
Therefore, as shown in FIG. 3, the
The
As described above, in this embodiment, when the fruit is cooled by the liquefied gas in the
Although the fruit of the present embodiment has been described in the above description, the fruit may be a substance other than seawater, and the source of the fruit may be a tank for storing the substance. In this embodiment, It is possible to have an effect of keeping constant.
4 and 5 are conceptual diagrams of a liquefied gas regeneration system according to a third embodiment of the present invention.
4 and 5, a liquefied
The solid
An evaporation
The
The
In the case of the embodiment shown in FIG. 4, a
At this time, the steam exchanged with the liquefied gas in the
The
However, when the steam generated through the solid
5, the steam generated by the
At this time, the
As described above, in the present embodiment, the evaporation gas generated in the liquefied
6 is a conceptual diagram of a liquefied gas regeneration system according to a fourth embodiment of the present invention.
Referring to FIG. 6, a liquefied
The
The fruit pump (30) can be driven by the motor (301). In other words, the
However, the
However, even if the circulation of the fruit is stopped, the liquefied gas can flow along the liquefied
Therefore, the present embodiment may further include a
The
When the
A plurality of the fruit pumps 30 may be provided and the
At this time, the
Or the
As described above, in the present embodiment, in order to prevent the fruit from being frozen in the
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be apparent to those skilled in the art that various combinations and modifications may be made without departing from the scope of the present invention. Therefore, it should be understood that the technical contents related to the modifications and applications that can be easily derived from the embodiments of the present invention are included in the present invention.
1: liquefied gas regeneration system 10: liquefied gas storage tank
20: liquefied gas pump 22: vaporizer
30: Fruit pump 40: Inert gas feeder
50: Solid oxide fuel cell 100: Demand source
Claims (5)
A liquefied gas pump provided in the liquefied gas supply line for transferring liquefied gas from the liquefied gas storage tank to a customer;
A vaporizer provided downstream of the liquefied gas pump in the liquefied gas supply line to regenerate the liquefied gas;
A fruit supply line for supplying fruit to the vaporizer;
A fruit pump provided in the fruit supply line and driven by a motor to transfer the fruit;
A power source for supplying electric power to the motor; And
Further comprising a battery connected to the power source to store power and supply power to the motor as needed,
Wherein the accumulator activates the fruit pump to cause the fruit to be continuously circulated in the fruit supply line when a problem occurs in the power supply of the power source to prevent freezing of the fruit.
Wherein the power source is connected to the power source to receive and store power from the power source and to the motor to supply power to the motor without passing through the power source.
The above-mentioned fruit pump is provided in plural,
Wherein the power source is connected to a motor of the plurality of the fruit pumps,
Wherein the battery is connected to at least one of the plurality of the fruit pumps.
The above-mentioned fruit pump is provided in plural,
Wherein the power source is connected to a motor of the plurality of the fruit pumps,
Wherein the battery is connected to any one of the plurality of the fruit pumps.
The above-mentioned fruit pump is provided in plural,
Wherein the power source is connected to any one of the plurality of the fruit pumps,
And the battery is connected to the other one of the plurality of the fruit pumps.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020150181959A KR102003960B1 (en) | 2015-12-18 | 2015-12-18 | Regasification System of liquefied Gas |
Applications Claiming Priority (1)
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KR1020150181959A KR102003960B1 (en) | 2015-12-18 | 2015-12-18 | Regasification System of liquefied Gas |
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KR20170073262A true KR20170073262A (en) | 2017-06-28 |
KR102003960B1 KR102003960B1 (en) | 2019-07-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210012513A (en) * | 2019-07-25 | 2021-02-03 | 한국조선해양 주식회사 | A gas regasification system and vessel including the same |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102567867B1 (en) * | 2021-06-16 | 2023-08-22 | 한국철도기술연구원 | Liquid hydrogen vaporization and integrated thermal management system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20140072415A (en) * | 2012-12-04 | 2014-06-13 | 대우조선해양 주식회사 | Gtl carrier and operating method of the gtl carrier |
KR20150102583A (en) * | 2014-02-28 | 2015-09-07 | 삼성중공업 주식회사 | System for generator control of reefer container ship |
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2015
- 2015-12-18 KR KR1020150181959A patent/KR102003960B1/en active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20140072415A (en) * | 2012-12-04 | 2014-06-13 | 대우조선해양 주식회사 | Gtl carrier and operating method of the gtl carrier |
KR20150102583A (en) * | 2014-02-28 | 2015-09-07 | 삼성중공업 주식회사 | System for generator control of reefer container ship |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20210012513A (en) * | 2019-07-25 | 2021-02-03 | 한국조선해양 주식회사 | A gas regasification system and vessel including the same |
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