KR101703090B1 - Floating Concrete Structure for Supplying Gas or Electric Power - Google Patents

Floating Concrete Structure for Supplying Gas or Electric Power Download PDF

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Publication number
KR101703090B1
KR101703090B1 KR1020150083266A KR20150083266A KR101703090B1 KR 101703090 B1 KR101703090 B1 KR 101703090B1 KR 1020150083266 A KR1020150083266 A KR 1020150083266A KR 20150083266 A KR20150083266 A KR 20150083266A KR 101703090 B1 KR101703090 B1 KR 101703090B1
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South Korea
Prior art keywords
power generation
storage tank
module
generation facility
thermal power
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KR1020150083266A
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Korean (ko)
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KR20160146253A (en
Inventor
임윤묵
노준규
김상현
이종원
김윤경
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연세대학교 산학협력단
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Publication of KR20160146253A publication Critical patent/KR20160146253A/en
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B11/00—Interior subdivision of hulls
    • B63B11/02—Arrangement of bulkheads, e.g. defining cargo spaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • 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
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/444—Floating structures carrying electric power plants for converting combustion energy into electric energy

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

1. A floating concrete structure for gas or electric power supply, comprising: a storage tank module (100) having a storage tank (110) capable of storing fuel, A thermal power generation facility module 200 having a thermal power generation facility 220 for generating electric power by using fuel supplied from the storage tank module 100 as a concrete structure, A connection means for restricting motion between the modules 200 or releasing the constraints of each other as needed; And a power supply cable 280 for connecting the thermal power generation facility 200 and the onshore power facility to supply power generated from the thermal power generation facility 200 to the land.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a floating concrete structure for gas or electric power supply,

The present invention relates to a floatable concrete structure that can float on an aquifer and more particularly to a floatable concrete structure that can be dispatched to an area where the gas or power supply is not smooth, such as a disaster area or an area without any infrastructure, Concrete structures.

Thermal power generation facilities are inevitably generating air pollutants, and it is becoming increasingly difficult to secure land for new thermal power generation facilities on land due to friction with the residents of the planned power plant sites. Furthermore, there is a need to supply gas or electric power urgently to an area where gas or electric power supply is not smooth due to natural disasters such as earthquakes. In order to meet the above demands, floating power generation facilities are being used.

Floating power generation facilities are installed with power generation facilities such as boilers, turbines, and generators in ships or barge-type structures floated on the water, and floating type power generation facilities with self- ), And a barge-type power generation plant which is not equipped with its own propulsion and is towed by another ship is generally referred to as a BMPP (Barge Mounted Power Plant).

PowerShip and BMPP are old technologies that came out of the concept in the early 1900s, but they have become more and more utilized in recent years as they have become increasingly difficult to secure power sites. Especially, considering the Korean environment where the country is small and the population density is large, it is expected that the use of PowerShip or BMPP will increase greatly in the future. In addition, thermal power generation using LNG, which has relatively low emissions of air pollutants compared to fossil fuels such as coal, is attracting attention.

Fig. 11 shows a floating thermal power plant disclosed in Japanese Patent Application Laid-Open No. 10-2006-0114555 (prior art document 1). A partition wall 10 is formed in the hull 1 and a space in each partition wall is provided with a power generator 21, a boiler 22, a fuel loading facility and a tank 26, and the like. As shown in FIG. 11, a conventional floating thermal power plant has a structure in which a thermal power generation facility and a fuel storage tank for thermal power generation are provided in a conventional ship or barge structure made of steel. However, since the conventional floating thermal power plant as described above has a relatively high drying cost and a long drying period, there has been a continuous demand for a technique for reducing the drying cost and shortening the drying period. In addition, since a conventional floating thermal power plant is provided with both a thermal power generation facility and a fuel storage tank in a single ship or a barge, there is a risk that a tank storing the fuel will explode.

1. Published Japanese Patent Application No. 10-2006-0114555 (published on 11.07.2006) 2. Open Patent Publication No. 10-2006-0118999 (published Nov. 24, 2006)

It is a technical object of the present invention to provide a floating thermal power plant which is manufactured using a floating concrete structure instead of a conventional ship or barge manufactured using steel.

It is another object of the present invention to provide a method of arranging a thermal power generation facility and a fuel storage tank that can increase the resilience of a floating thermal power plant operation and enhance coping ability in case of fire.

In order to achieve the above technical object, the floating concrete structure according to the present invention includes a storage tank module 100 having a storage tank 110 capable of storing fuel; A thermal power generation facility module (200) having a thermal power generation facility (220) for generating electric power by using fuel supplied from the storage tank module (100); A connection means for restricting movement between the storage tank module 100 and the thermal power generation facility module 200 or releasing restraint of each other as needed; And a power supply cable 280 connecting the thermal power generation facility 220 and the onshore power facility to supply the generated power from the thermal power generation facility 200 to the land.

Further, the present invention preferably uses LNG as fuel, the storage tank module 100 further includes a vaporizer 180 for vaporizing the LNG supplied from the storage tank and supplying it to the thermal power generation facility 220 , And gas supply means (190) for supplying natural gas (NG) vaporized by the vaporizer (180) to a demand place on the land.

In the present invention, the thermal power generation facility 220 includes a boiler 221 for burning natural gas supplied from the vaporizer 180, a turbine 222 driven by steam generated from the boiler 221, And a generator (223) for generating electric power by a driving force generated from the turbine (222).

The connection means for connecting the thermal power generation facility module 200 and the fuel storage tank module 100 in the present invention may include protruding connection means formed in one of the storage tank module 100 and the thermal power generation facility module 200, Wherein the retention type connecting means is provided with an insertion rod which protrudes out of the retention type connection means by cylinder drive or can be concealed in the retention type connection means, And the protruding connection means is formed with an insertion hole into which the insertion bar can be inserted. Or an insertion rod protruding out of the protruding connecting means by cylinder drive to the protruding connecting means or being able to be concealed in the protruding connecting means, and an insertion hole into which the insertion rod can be inserted is formed in the retractable connecting means .

 The storage tank module 100 and the thermal power generation facility module 200 are separated from each other by the operation of a cylinder so that the storage tank module 100 and the thermal power generation facility module 200 can be quickly separated from each other. The urging force is applied to the urging force of the urging force. Further, the concrete structure of the storage tank module 100 and the thermal power generation facility module 200 may have a plurality of compartments formed therein.

Since the floating concrete structure for supplying gas or electric power according to the present invention is equipped with a thermal power generation and gas supply facility in a concrete structure other than a conventional steel ship or floating structure, the drying period can be shortened and the drying cost can also be reduced . In addition, a module having a thermal power generation facility and a module having a fuel storage tank are detachably formed to increase the resilience of thermal power generation facility operation. In addition, when a fire occurs in a thermal power generation facility, By allowing the tank module to be easily separated in a short time, it is possible to eliminate the possibility of a large explosion by spreading a fire in the fuel storage tank. Furthermore, the LNG that is vaporized through the vaporizer installed in the thermal power generation module can function not only to supply the fuel to be used for the thermal power generation, but also to supply the natural gas (NG) It is possible to simultaneously supply gas or electric power to a region where the gas or electric power supply is not converted.

1 shows a side view of a floating concrete structure according to the present invention.
2 shows the process of supplying gas or electric power in a floating concrete structure according to the present invention.
3 shows the fastening structure of the fuel storage tank module and the thermal power generation facility module.
4 is a view showing a process of fastening the fuel storage tank module and the thermal power generation facility module according to time.
Figure 5 shows a situation where fuel is supplied to the fuel storage tank module in the fuel carrier.
FIG. 6 shows a situation in which two fuel storage tank modules are operated to supply fuel.
7 shows a lower structure of a concrete floating structure.
Fig. 8 shows an example of a vaporizer for vaporizing LNG as fuel.
FIG. 9 shows a situation in which the fuel storage tank module and the thermal power generation facility module are urgently separated over time.
Fig. 10 shows a hydraulic device which can be applied to an insertion rod or emergency separation means.
Figure 11 shows a conventional floating thermal power plant.

Referring to FIG. 1, the thermal power generation facility module 200 and the fuel storage tank module 100 are formed as independent structures separated from each other, and may be physically connected to each other through a connection device. The lower structure 150 of the fuel storage tank module 100 is formed of a floating concrete structure having an empty space and having buoyancy. The fuel storage tank 110 in which fuel, preferably LNG, to be used for thermal power generation is stored on the deck May be provided. For reference, a floating concrete structure can be made in the form of a concrete caisson with an empty interior, typically for use in bridges or underwater tunnel construction.

The storage tank 110 is a structure capable of storing LNG at a cryogenic temperature of -163 DEG C, and can be used not only as a stand-alone storage tank such as a MOSS type or SPB type, but also as a membrane type storage tank such as a GTT Mark- Conventional LNG storage tanks may be used. Further, the fuel storage tank module 100 may be provided with a vaporizer 180. The vaporizer 180 vaporizes the LNG supplied from the fuel storage tank 110 and converts it into a gaseous state, To the power generation facility 220 of the module 200.

In the thermal power generation facility module 200, the lower structure 250 is made of a floating concrete structure, and the power generated in the power generation facility 220 is supplied to the land via the power supply cable 280. Preferably, the lower structure 150 of the fuel storage tank module 100 and the lower structure of the thermal power generation facility module 200 may be made to the same size for productivity.

2, the LNG stored in the storage tank 110 is supplied to the vaporizer 180 in a liquid state, and the vaporizer 180 vaporizes the LNG to supply the gaseous natural gas to the boiler 221. The vaporizer 180 is a device for vaporizing LNG into a gaseous state by supplying thermal energy to LNG, which is a liquid at a cryogenic temperature. FIG. 8 shows a vaporizer 180 for exchanging seawater with LNG. However, it will be obvious to a person skilled in the art that the vaporizer 180 can use not only seawater but also waste heat of the boiler as a heat source. The natural gas vaporized through the vaporizer 180 is supplied to the boiler 221 as fuel. The boiler 221 generates high-temperature / high-pressure steam by burning the supplied fuel, and the steam of high / high pressure above the turbine 222 drives the turbine 222. Power is generated in the generator 223 connected to the turbine 222. The generated power is stepped up through the transformer 214 and then supplied to the customer on the ground via the power supply cable 280. [

Here, the LNG vaporized through the vaporizer 180 may be supplied to the boiler 221 in the power generation facility 220, but it is also possible to supply the vaporized gas directly to the onshore gas demand site through the gas supply facility 190 have. At this time, in order to supply the gas vaporized from the vaporizer 180 to the boiler 221 or directly supply the gas to the ground through the gas supply facility 190, a pipe for providing a gas movement path is required, It will be apparent to one of ordinary skill in the art that it can be connected or disconnected as needed.

FIG. 3 shows the fastening structure of the fuel storage tank module 100 and the thermal power generation facility module 200, and FIG. 4 illustrates a process of fastening the fuel storage tank module 100 and the thermal power generation facility module 200 to each other. It is. 4 (a), protruding connection means 130 is formed at one end of the fuel storage tank module 100, and accommodating connection means 230 is formed at the thermal power generation facility module 200, The protruding connecting means 130 is inserted into the accommodating connecting means 230 in a state where one surface of the module 100 is close to one surface of the thermal power generation facility module 200.

The movement of the fuel storage tank module 100 and the thermal power generation facility module 200 may be controlled by a power device such as a screw mounted on each of the modules 100 and 200 or may be controlled by a tug boat Lt; / RTI >

4 (b), the insertion rod 231 housed inside the retention type connection means 230 is exposed to the outside of the side wall of the retention type connection means 230 by the power device, The relative movement between the fuel storage tank module 100 and the thermal power generation facility module 200 is restricted when the inserted insertion rod 231 is inserted into the insertion hole 131 formed in the protruding connection means 130. The storage tank module 100 is equipped with conventional LNG loading means such as a manifold and a flexible LNG supply line so that the LNG stored in the storage tank 110 can be supplied to the vaporizer 180 of the thermal power generation facility module 200 .

For reference, the movement of the insertion rod 231 can be performed by the hydraulic cylinder apparatus 500 as shown in FIG. The hydraulic cylinder device 500 shown in Fig. 10 is the simplest type of hydraulic device that is typically used, and includes a hydraulic cylinder 501, an oil storage tank 505 for storing the cylinder drive oil, A check valve 503 for regulating the flow direction of the oil, and a direction switching valve 502 for changing the direction of the oil supplied to the hydraulic cylinder 501. As shown in Fig. The specific configuration of the hydraulic circuit can be modified as required by a typical engineer.

3, the protruding connection means 130 is formed in the fuel tank module 100 and the retention type connection means 230 is formed in the thermal power generation facility module 200. Conversely, in the fuel tank module 100, The storage type connecting means may be formed with protruding connection means in the thermal power generation facility module 200. Further, in the above embodiment, the insertion rod 231 is formed in the retractable connection means 220 and the insertion hole 131 is formed in the protruding connection means 130, Even if the insertion hole is formed in the retractable connection means, the same technical effect can be obtained.

FIGS. 5 and 6 relate to a method of supplying LNG as fuel to the fuel storage tank module 100. FIG. When the LNG stockpile in the storage tank 110 is reduced, LNG carried through the LNG carrier 300 may be loaded into the storage tank module 100 as shown in FIG. 5 to replenish the LNG in the storage tank 110 have. The storage tank module 100 is connected to the thermal power generation facility module 200 and supplies fuel to the thermal power generation facility when the two or more storage tank modules 100 and 100 'are operated as shown in FIG. The other storage tank module 100 'that has completed the LNG loading at the remote LNG terminal is carried around the thermal power generation facility module 200 in operation and then replaced with the storage tank module 100 . The replaced storage tank module 100 is loaded into the LNG terminal and then loaded into the LNG terminal. Therefore, when two or more storage tank modules are operated, there is no need to operate a separate LNG carrier for LNG replenishment. The storage tank module may be transported by a separate vessel such as a tug boat 400 or the like, and the storage tank module 100 may have a self-powered device to move itself.

9, the fuel storage tank module 100 and the thermal power generation facility module 200 may be provided with emergency separation means 180, which may cause fire in the thermal power generation facility module 200 The fuel storage tank module 100 and the thermal power generation facility module 200 can be quickly separated from each other so that the flame spreads to the fuel storage tank module 100 to prevent a large explosion from occurring. . In this case, the urgent separating means 170 is a means for urging force between the modules by a force generated by a hydraulic or pneumatic cylinder, and it is preferable that the storage tank module 100 and the thermal power generation facility module Both the LNG supply lines connected between the LNG supply lines 200, as well as the mutual physical connection means, must be released. For reference, the movement of the emergency separating means 170 can be performed by the hydraulic cylinder apparatus 500 as shown in FIG. 10 described above.

FIG. 7 shows a lower structure of the storage tank module 100 and the thermal power generation module 200, and may be formed of a reinforced concrete structure having a buoyant space formed therein. Since the compartment 252 is formed by the plurality of partition walls 251 in the buoyancy space, buoyancy can be maintained by the compartment 252 in which flooding does not occur even if flooding occurs in some spaces. Therefore, even if some of the floating concrete structures are destroyed, it is possible to prevent flooding of the floating concrete structures as a whole. For reference, the upper barrier ribs 251 are formed in a vertical direction, but a plurality of barrier ribs may be formed in a horizontal direction to form barrier ribs in the form of a three-dimensional lattice. Further, the compartment 252 formed by the upper partition 215 can be used for various purposes as an empty space, but it is preferable to fill the foam such as styrofoam or urethane foam so that even in an emergency situation in which seawater is introduced, It is possible to prevent the concrete structure from being rapidly flooded.

100: Fuel storage tank module 110: Fuel storage tank
130: protruding connecting means 131: insertion groove
170: emergency separation means 200: thermal power generation facility module
180: Carburetor 190: Gas supply facility
220: Thermal power generation facility 221: Boiler 222: Turbine 223: Generator 224: Transformer 230: Storage type connection means 231: Insertion rod 280: Power supply cable 251: Bulkhead 252: Compartment 300: LNG carrier 310: LNG loading facility 400: [0001] The present invention relates to a hydraulic cylinder apparatus,

Claims (11)

The present invention relates to a floating concrete structure for gas or electric power supply,
1. A concrete structure capable of floating on an aquifer, comprising: a storage tank module (100) having a storage tank (110) capable of storing fuel;
A thermal power generation facility module (200) having a thermal power generation facility (220) for generating electric power by using fuel supplied from a vaporizer (180) of the storage tank module (100)
A connection means for restricting movement between the storage tank module 100 and the thermal power generation facility module 200 or canceling constraint between the storage tank module 100 and the thermal power generation facility module 200;
A power supply cable 280 for connecting the thermal power generation facility module 200 and the onshore power facility to supply power generated from the thermal power generation facility 220 to the land;
The thermal storage tank module 100 and the thermal power generation facility module 200 are separated from each other by the driving of the cylinder so that the storage tank module 100 and the thermal power generation facility module 200 can be separated quickly. Urgent separating means 170 for applying urgent separation means 170;
Wherein the gas or electric power supply is a floatable concrete structure. The floating concrete structure for gas or electric power supply according to claim 1, wherein the fuel is LNG. 3. The system of claim 2, wherein the storage tank module (100) further comprises a vaporizer (180) for vaporizing the LNG supplied from the storage tank module (110) Floating concrete structures for gas or electric power supply. The gas turbine engine according to claim 3, further comprising a gas supply facility (190) for supplying natural gas (NG) vaporized by the vaporizer (180) Concrete structures. The thermal power generation facility (220) according to claim 3, wherein the thermal power generation facility (220) comprises a boiler (221) for burning natural gas supplied from the vaporizer (180), a turbine (222) driven by steam generated from the boiler (221) And a generator (223) for generating electric power by a driving force generated from the turbine (222). 2. The thermal power generation facility module (200) according to claim 1, wherein the connecting means comprises protruding connection means formed on one of the storage tank module (100) and the thermal power generation facility module (200) Type connecting means, said protruding connecting means being inserted into said retractable connecting means, wherein the floating concrete structure for gas or electric power supply. [7] The apparatus according to claim 6, wherein the retention type connecting means is provided with an insertion rod protruding out of the retention type connection means by cylinder drive or being concealed in the retention type connection means, Characterized in that an inserting hole is formed in the wall of the concrete structure for gas or electric power supply. [Claim 7] The method according to claim 6, wherein the protruding connection means is provided with an insertion rod protruding out of the protruding connection means by cylinder drive or being concealed in the protruding connection means, Characterized in that an inserting hole is formed in the wall of the concrete structure for gas or electric power supply. delete 2. The method of claim 1, wherein the concrete structure of the storage tank module (100) and the thermal power generation facility module (200) is formed with a plurality of compartments by partition walls. structure. 11. Floating concrete structure according to claim 10, characterized in that the compartment is filled with foam.
KR1020150083266A 2015-06-12 2015-06-12 Floating Concrete Structure for Supplying Gas or Electric Power KR101703090B1 (en)

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FR3074255B1 (en) * 2017-11-24 2021-06-04 Engie DEVICE AND AUTONOMOUS PROCESS FOR THE SUPPLY OF ELECTRICITY
KR102480406B1 (en) * 2021-04-30 2022-12-22 주식회사 케이엘테크놀로지 Offshore wind power plant carrier
KR102444047B1 (en) * 2021-04-30 2022-09-16 주식회사 케이엘테크놀로지 Wind Turbine Installation Vessel

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KR100680627B1 (en) 2005-05-02 2007-02-08 박재욱 Floating power plant
KR100766185B1 (en) 2005-05-18 2007-10-10 박재욱 Floating combined cycle power plant
KR20150011436A (en) * 2013-07-22 2015-02-02 대우조선해양 주식회사 Insulation system of floating marine structure
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