CN203372385U - LNG gas storage tank arranging and gas supply arranging system of double-fuel power-propelled ship - Google Patents

LNG gas storage tank arranging and gas supply arranging system of double-fuel power-propelled ship Download PDF

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Publication number
CN203372385U
CN203372385U CN201320448879.7U CN201320448879U CN203372385U CN 203372385 U CN203372385 U CN 203372385U CN 201320448879 U CN201320448879 U CN 201320448879U CN 203372385 U CN203372385 U CN 203372385U
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China
Prior art keywords
lng
storage tank
fuel power
arrangement system
filling station
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Expired - Fee Related
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CN201320448879.7U
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Chinese (zh)
Inventor
吕志庆
赵志坚
衷爱东
刘会纳
李学军
刘秀丽
姜超
刘富强
王立娟
王成
刘玉涛
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ZHONGYUAN SHIPPING ENGINEERING GROUP Co Ltd
China Ocean Shipping Group Co
Cosco Shipyard Group Co Ltd
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ZHONGYUAN SHIPPING ENGINEERING GROUP Co Ltd
China Ocean Shipping Group Co
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Application filed by ZHONGYUAN SHIPPING ENGINEERING GROUP Co Ltd, China Ocean Shipping Group Co filed Critical ZHONGYUAN SHIPPING ENGINEERING GROUP Co Ltd
Priority to CN201320448879.7U priority Critical patent/CN203372385U/en
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Publication of CN203372385U publication Critical patent/CN203372385U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/50Measures to reduce greenhouse gas emissions related to the propulsion system
    • Y02T70/5218Less carbon-intensive fuels, e.g. natural gas, biofuels

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Abstract

The utility model relates to the technical field of water communication and transportation equipment manufacturing, and particularly discloses an LNG gas storage tank arranging and gas supply arranging system of a double-fuel power-propelled ship. The LNG gas storage tank arranging and gas supply arranging system comprises an LNG gas storage tank arranged on the stern portion of the ship, an engine casing and a chimney inside the stern portion are arranged on the right side of a ship body, a smoke exhaust pipe inside the engine casing is arranged on the rear portion, a ventilation pipe is arranged on the right side, a stairway is arranged on the front portion of the smoke exhaust pipe, a free fall lifeboat is located on the back face of the chimney of the right side of the ship body, and an accommodation is arranged in the front of the LNG gas storage tank and the chimney. The LNG gas storage tank is connected with a high-pressure pump and a pressure reconstruction evaporation combiner through an LNG gas supply pipe, the high-pressure pump is connected with a high-pressure evaporator and a double-fuel host machine, and the pressure reconstruction evaporation combiner is connected with a double-fuel power generator set. The LNG gas storage tank arranging and gas supply arranging system of double-fuel power-propelled ship solves the problems of LNG gas storage tank and gas supply arranging systems on bulk cargo ships, realizes the purpose that LNG is applied to the bulk cargo ships as fuel, and effectively reduces pollutant discharged by the ships.

Description

The LNG storage tank of hybrid fuel power propelling ship is arranged and the air feed arrangement system
Technical field
The utility model relates to waterborne traffic transportation equipment manufacturing technology field, especially relates to LNG storage tank arrangement system and the air feed arrangement system of hybrid fuel power propelling ship.
Background technology
The engine installation of present most of boats and ships all adopts heavy fuel oil to act as a fuel.But to the appearance of boats and ships emission control regulation with come into force, heavy fuel oil can not meet the requirement of these rules to discharge along with International Maritime Organization (IMO) and national governments.Will adopt new technology, meet the requirement of these rules.At present feasible have three kinds of schemes, and 1. low sulphur fuel, 2. install the sulfur scrubber tower additional, 3. adopts LNG to make fuel.First two scheme shipowner's use cost is high, and the third scheme is the most promising scheme at present.
LNG is the english abbreviation of liquefied natural gas (liquefied natural gas).Main component is methane.Colourless, tasteless, the nontoxic and non-corrosiveness of LNG, its volume is about with 1/600 of amount gaseous natural gas volume, and the weight of LNG is only 45% left and right of consubstantiality ponding, and calorific value is 52MMBtu/t (1MMBtu=2.52 * 10 8cal).Natural fuels is compared fuel oil and is had the advantages such as reserves are large, cost is low, clean environment firendly is efficient, along with the require increasingly stringent of International Maritime Organization (IMO) to the boats and ships noxious gas emission, marine engine technology development, the standard ship of design efficient energy-saving, environmental protection is imperative, the hybrid fuel power propulsion system can more boats and ships newly make and the repacking project on be applied.
Liquefied natural gas is compared with fuel oil, liquefied natural gas density is lower, the shared volume of the liquefied natural gas of equal in quality is almost 2 times of fuel oil volume, if the storage tank that all adopts liquefied natural gas to need as power is more, take up room larger, just need to correspondingly reduce the space of cargo hold, affect cargo hold quantity; Under the prerequisite that guarantees cargo tonnage, will affect voyage.Because liquefied natural gas is emerging resource, the Infrastructure of each port and pier fails to catch up with in time development, a lot of port and piers all do not arrange liquefied natural gas filling station, only at a few harbour, Europe, be provided with liquefied natural gas filling station at present, cause boats and ships to have inconvenience when pulling in to shore aerating, can't be at the timely postcombustion in any harbour.If all adopt liquefied natural gas as power, liquefied natural gas is combustible material, single source of the gas initiating failure or single source of the gas easily occurs when unavailable, and boats and ships do not have power to navigate by water.And, if all adopt the liquefied natural gas somewhat expensive, increased operation cost.
LNG acts as a fuel, one of significant problem that needs solution is the Layout Problem of fuel system, bulge carrier particularly, own characteristics due to this ship, how under the prerequisite that does not affect ship performance, the LNG storage tank being set and arranging supply air line, how to avoid the unnecessary waste of the energy and save the manufacturing cost and use cost of oil circuit, gas circuit, is all to adopt the LNG fuel technical barrier urgently to be resolved hurrily as power.Also there is no at present the actv. solution.
The utility model content
The technical matters that the utility model solves is to provide a kind of LNG storage tank arrangement system and air feed arrangement system of hybrid fuel power propelling ship, LNG storage tank and air feed arrangement system problem on bulge carrier have been solved, realized the application that LNG acts as a fuel on bulge carrier, effectively reduce the boats and ships emission pollutants, met the peak demand of maritime affairs rules to reduction of greenhouse gas discharge.
In order to solve the problems of the technologies described above, the utility model provides a kind of LNG storage tank arrangement system and air feed arrangement system of hybrid fuel power propelling ship;
A kind of LNG storage tank arrangement system of hybrid fuel power propelling ship comprises:
The LNG storage tank is arranged in the stern of boats and ships, engine casing and chimney in stern are arranged in the hull right side, smoke exhaust pipe, ventilation and ladder access all are located in described engine casing, described smoke exhaust pipe is arranged in rear portion, described ventilation is arranged in right side, and described ladder access is arranged in described smoke exhaust pipe front portion, and free fall lifeboat is positioned at the described chimney back side on described hull right side, accommodation is arranged in the front of described LNG storage tank and described chimney, and freezer and dried food and nuts storehouse are located at described hull larboard.
Preferably, set up one deck above main deck stern berthing accommodation and add a layer deck.
Be more preferably, the described layer deck that add is higher than described main deck 3~5m.
Be more preferably, on described LNG storage tank, be provided with the water mist sprinkling device.
A kind of LNG air feed arrangement system of hybrid fuel power propelling ship comprises:
The LNG storage tank is built the evaporation combiner by LNG air supply pipe and high pressure pump and pressure again and is connected, described high pressure pump is connected with high pressure evaporator, hybrid fuel main frame, described pressure is built the evaporation combiner again and is connected with the double fuel engine unit, described LNG air supply pipe all is located in air supply chamber, described air supply chamber and LNG storage tank are integrated, and described integrative-structure is positioned at newly-increased the adding on layer deck of stern; The LNG filling station is positioned at the board of accommodation.
Be more preferably, described LNG filling station all adopts the sealed chamber design separately, and the filling interface of described LNG filling station is arranged in described sealed chamber.
Be more preferably, described LNG filling station comprises two LNG filling stations, and two described LNG filling stations lay respectively at left and right two topsides of accommodation.
Be more preferably, between two described LNG filling stations, be provided with a hull structure tube passage under main deck, be directly connected to the LNG filling station communicating pipe of described LNG filling station in the described hull structure tube passage under described main deck, two described LNG filling stations interconnect.
Be more preferably, increase a hull structure tube passage between described LNG filling station communicating pipe and LNG storage tank, described hull structure tube passage is positioned at the larboard of hull, and described LNG filling station communicating pipe is connected with described LNG storage tank by described hull structure tube passage.
Be more preferably, described LNG air supply pipe adopts double-wall pipe, in inner tube, is LNG, between double-wall pipe, is ventilation voids.
Be more preferably, in described LNG filling station, be provided with dry chemical powder fire extinguisher and portable dry powder fire extinguisher.
The utility model compared with prior art, has following beneficial effect:
The utility model design plan meets the latest specification rule of International Maritime Organization (IMO).The utility model has solved the Layout Problem on LNG storage tank and the gas supply system Layout Problem on boats and ships, particularly bulge carrier well, has realized the application that LNG acts as a fuel on bulge carrier.
The utility model adopts LNG as the advantage of combustion gas to be: under the combustion gas pattern, only in light fluid, contain a small amount of sulfur, approach " zero-emission " that realize sulfide, can greatly reduce oxysulfide simultaneously, the discharge of oxides of nitrogen and oxycarbide, effectively reduce four stroke binary fuel engine discharged nitrous oxides approximately 80%, meet the requirement of TIER III, reduce carbon-dioxide emission approximately 20%, meet the requirement of international regulations to sulphur emissions fully, the processing of carrying out part after the exhaust of two cycle engine is carried out can meet the requirement to oxides of nitrogen acme TIER III, ship design energy efficiency index (EEDI) reaches the emission request of the phase III after 2025, met the peak demand of maritime affairs rules to reduction of greenhouse gas discharge.The utility model effectively reduces the boats and ships emission pollutants, has conscientiously solved ship's navigation in the suffered restricted problem in emission control district.
Effective enforcement of the present utility model to the innovation of ship power system, develop significantly, to reducing the boats and ships exhaust emission, improve air environment and there is vital function.The hybrid fuel configuration, with respect to pure fuel placement, can better control environment and pollute and emission request.The hybrid fuel configuration, with respect to pure gas configuration, has better transitionality, alerting ability and effectively controls cost, and can use up and how design the arrangement cargo space.
The accompanying drawing explanation
Fig. 1 exemplarily shows the schematic side view of LNG storage tank arrangement system and the LNG air feed arrangement system of hybrid fuel power propelling ship;
Fig. 2 exemplarily shows the schematic top plan view of LNG storage tank arrangement system and the LNG air feed arrangement system of hybrid fuel power propelling ship.
Reference numeral shown in Fig. 1~Fig. 2 is as follows: 1, LNG storage tank; 2, air supply chamber; 3, main deck; 4, LNG air supply pipe; 5, LNG filling station; 6, add a layer deck; 7, hybrid fuel advances main frame; 8, sealed chamber; 9, LNG filling station communicating pipe; 10, hull structure tube passage; 11, high pressure pump; 12, high pressure evaporator; 13, double fuel engine unit; 14, pressure is built the evaporation combiner again; 15, accommodation; 16, engine casing; 17, chimney; 18, smoke exhaust pipe; 19, ventilate; 20, ladder access; 21, free fall lifeboat.
The specific embodiment
For the technical matters that the utility model solves, the technical scheme provided are provided better, below in conjunction with drawings and Examples, the utility model is further elaborated.Specific embodiment described herein is only in order to explain enforcement of the present utility model, but and is not used in restriction the utility model.
In a preferred embodiment, Fig. 1 exemplarily shows the schematic side view of LNG storage tank arrangement system and the LNG air feed arrangement system of hybrid fuel power propelling ship; Comprise:
LNG storage tank 1 is arranged in the stern of boats and ships, engine casing 16 and chimney 17 in stern are arranged in the hull right side, smoke exhaust pipe 18, ventilate 19 and ladder access 20 all be located in described engine casing 16, described smoke exhaust pipe 18 is arranged in rear portion, described ventilation 19 is arranged in right side, described ladder access 20 is arranged in described smoke exhaust pipe 18 front portions, free fall lifeboat 21 is positioned at described chimney 17 back sides on described hull right side, accommodation 15 is arranged in the front of described LNG storage tank 1 and described chimney 17, and freezer and dried food and nuts storehouse are located at described hull larboard.
In the embodiment be more preferably, set up one deck and add layer deck 6 above main deck 3 stern berthing accommodations.
In the embodiment be more preferably, the described layer deck 6 that add is 3~5m higher than described main deck 3.
In the embodiment be more preferably, the described layer deck 6 that add is 3m higher than described main deck 3.
In the embodiment be more preferably, on described LNG storage tank 1, be provided with the water mist sprinkling device.
In the embodiment be more preferably, described accommodation 15 integral body are located to bow and move place, 3 rib positions.
In a preferred embodiment, Fig. 2 exemplarily shows the schematic top plan view of LNG storage tank arrangement system and the LNG air feed arrangement system of hybrid fuel power propelling ship; Comprise:
LNG storage tank 1 is built evaporation combiner 14 by LNG air supply pipe 4 and high pressure pump 11 and pressure again and is connected, described high pressure pump 11 is connected with high pressure evaporator 12, hybrid fuel main frame 7, described pressure is built evaporation combiner 14 again and is connected with double fuel engine unit 13, described LNG air supply pipe 4 all is located in air supply chamber 2, described air supply chamber 2 is integrated with LNG storage tank 1, and described integrative-structure is positioned at newly-increased the adding on layer deck 6 of stern; LNG filling station 5 is positioned at the board of accommodation 15.
LNG air supply pipe 4 comprises pressure duct and low pressure line, pressure duct is drawn LNG by high pressure pump 11 from LNG storage tank 1, described high pressure pump 11 pumps into high pressure evaporator 12 by the LNG in LNG storage tank 1, the natural fuels that converts LNG to high pressure through described high pressure evaporator 12 is again delivered to hybrid fuel main frame 7, low pressure line refers to that drawing described LNG from described LNG storage tank 1 builds evaporation combiner 14 again by pressure, the natural fuels that described LNG is converted to low pressure is delivered to described double fuel engine unit 13, described double fuel engine unit 13 provides electric power supply for hybrid fuel advances main frame 7.So just realized that burning gases fuel provides power and provides electric power for the normal operation of ancillary system for propulsion of ship.
In the embodiment be more preferably, described LNG filling station 5 all adopts sealed chamber 8 designs separately, and the filling interface of described LNG filling station 5 is arranged in described sealed chamber 8.
In the embodiment be more preferably, described LNG filling station 5 comprises that 5, two described LNG filling stations 5 of two LNG filling stations lay respectively at left and right two topsides of accommodation 15.
In the embodiment be more preferably, between two described LNG filling stations 5, main deck is provided with a hull structure tube passage 10 for 3 times, be directly connected to the LNG filling station communicating pipe 9 of described LNG filling station 5 in the described hull structure tube passage 10 under described main deck 3, two described LNG filling stations 5 interconnect.
In the embodiment be more preferably, increase a hull structure tube passage 10 between described LNG filling station communicating pipe 9 and LNG storage tank 1, described hull structure tube passage 10 is positioned at the larboard of hull, and described LNG filling station communicating pipe 9 is connected with described LNG storage tank 1 by described hull structure tube passage 10.
In the embodiment be more preferably, all described LNG filling station communicating pipes 9 are in described hull structure tube passage 10.
In the embodiment be more preferably, described LNG air supply pipe 4 adopts double-wall pipe, in inner tube, is LNG, between double-wall pipe, is ventilation voids.
In the embodiment be more preferably, in described LNG filling station 5, be provided with dry chemical powder fire extinguisher and portable dry powder fire extinguisher.
In the embodiment be more preferably, the pressure of the natural fuels of described high pressure is 250~300bar.
In the embodiment be more preferably, the pressure of the natural fuels of described low pressure is 5~8bar.
In specific embodiment:
The layout of LNG storage tank:
The LNG storage tank is arranged in the stern of boats and ships, common situation, stern placement machine doghouse, chimney, berthing accommodation and the life saving appliance etc. of boats and ships, do not have space to arrange bulky LNG storage tank, for this reason, adopt a large amount of technological means, arrange dexterously the LNG storage tank not taking volume of compartment and do not affect on the basis of ship performance.
Engine casing and chimney deflection hull right side are arranged, the smoke exhaust pipe in engine casing, ventilation, ladder access etc. are along with this layout is adjusted accordingly, and vacating space is arranged the LNG storage tank, and this layout is to adopt first in conventional boats and ships.
Free fall lifeboat is positioned at the chimney back on deflection right side, position and the shape of accommodation are also adjusted, hull integral body has changed spacing of longitudinals, and accommodation is also adjusted on width, has dwindled the width of accommodation and has arranged space is provided for the LNG storage tank.
Set up one deck and add a layer deck above main deck stern berthing accommodation, this is the design never adopted on boats and ships in the past, this adds the setting on layer deck, for the LNG storage tank provides the space of installing and operating, the position on this layer of deck is higher simultaneously, effectively evade collision problem, improve safety factor.
LNG air feed arrangement system is positioned at air supply chamber, and air supply chamber and LNG storage tank are the integral type structure, is positioned at newly-increased the adding on layer deck of stern, has solved the safety problem of air feed arrangement system.Also make compact and reasonable arrangement.
Be provided with water mist sprinkling as one of fire protection on the LNG storage tank.
LNG air feed arrangement system:
Consider LNG ultralow temperature, the dangerous property such as inflammable and explosive, and the gas supply system pipeline is positioned near crewman's accommodation, so it is very important that the layout of gas supply system pipeline seems, layout of the present utility model has well solved this problem.
Two LNG filling stations lay respectively at left and right two topsides of accommodation, and for the sake of security, each LNG filling station has adopted the sealed chamber layout separately, and the filling interface arrangement is in sealed chamber.
Between two LNG filling stations, be provided with a hull structure tube passage under main deck, from being directly connected to LNG filling station communicating pipe in the described hull structure tube passage described main deck of two LNG filling stations, two LNG filling stations interconnect.LNG storage tank from LNG filling station communicating pipe to afterbody increases by a road hull structure tube passage; be positioned at larboard; LNG filling station communicating pipe is communicated to by the hull structure tube passage filling process that the LNG storage tank has been realized LNG; all LNG filling station communicating pipes all are located in the hull structure tube passage; this layout makes LNG filling station communicating pipe because the protection of hull structure tube passage is not exposed to outside, has solved safely and effectively the space Layout Problem.
Arrive the supply air line in cabin, also utilized this hull structure tube passage.
Supply air line in cabin adopts double-wall pipe, in inner tube, is LNG, between double-wall pipe, is ventilation voids, and the combustion gas that inner tube is penetrated in the ventilation voids space is discharged in time by exhaust fan, guarantees that the double-wall pipe outside is safety zone.
Adopt the dry chemical powder fire extinguisher in the LNG filling station, also be provided with portable dry powder fire extinguisher, as fire protection.
The utility model and conventional bulge carrier difference are to have increased the LNG storage tank, the LNG storage tank has been arranged in and has newly increased deck near afterbody larboard zone, engine casing and chimney deflection starboard need be set up the pipe tunnel in order to arrange the liquefied natural gas pipeline above the larboard fuel oil tank.Also increased the relevant device of air feed arrangement system in cabin: nitrogen gas generator and nitrogen storage gas tank both are arranged in cabin two platform starboard rear sides.
Application the utility model, adopt the hybrid fuel power propulsion system, forms new 81000 tons of hybrid fuels (LNG/ fuel oil) power and advance bulge carrier.Described between perpendicular is 225.50m, and molded breadth is 32.26m, and moldeed depth is 20.25m, and designed draft is 12.20m, and scantling draft is 14.50m.Cargo hold is 7.Load carrying ability when scantling draft is 14.50m is about 81,000 tons.By model experiment, determine that this ship speed of a ship or plane is at designed draft 12.20m, main engine power NCR, 15% marine deposit, be 14.3 joints under the state that top-ups.
The utility model adopts C type LNG storage tank.The LNG storage tank is set up and meets standard to LNG storage tank arrangement requirement at cloth, and the volume of this project LNG storage tank is 1160m 3but under the combustion gas pattern, ship sailing is approximately 21 days, be almost the longest endurance under current hybrid fuel powered ship combustion gas pattern, can meet in the emission control district and navigate by water the time limit.
Application the utility model, forming a type LNG is 8 ton bulge carrier scheme and the Basic Designs that fuel advances.Have independent intellectual property right, meet up-to-date international norm requirement, the EEDI index is reached advanced world standards, and aspect energy-conserving and environment-protective and economy, is reaching advanced world standards.This project has obtained Lloyd's Register of Shipping's Basic Design recognized certificate (AIP), possesses the hybrid fuel of accepting power and advances the bulge carrier engineering item to build ability.The utility model is designed on 80,000 1 kiloton bulge carriers, has passed through the approval in principle (AIP) of classification society, indicates that this utility model has met the latest specification rule of International Maritime Organization (IMO).The utility model has been realized the application that LNG acts as a fuel on bulge carrier.
More than by concrete and preferred embodiment detailed description the utility model; but those skilled in the art should be understood that; the utility model is not limited to the above embodiment; all within groundwork of the present utility model; any modification of doing, combine and be equal to replacement etc., within all being included in protection domain of the present utility model.

Claims (10)

1. the LNG storage tank arrangement system of a hybrid fuel power propelling ship, is characterized in that, comprising:
The LNG storage tank is arranged in the stern of boats and ships, engine casing and chimney in stern are arranged in the hull right side, smoke exhaust pipe, ventilation and ladder access all are located in described engine casing, described smoke exhaust pipe is arranged in rear portion, described ventilation is arranged in right side, and described ladder access is arranged in described smoke exhaust pipe front portion, and free fall lifeboat is positioned at the described chimney back side on described hull right side, accommodation is arranged in the front of described LNG storage tank and described chimney, and freezer and dried food and nuts storehouse are located at described hull larboard.
2. the LNG storage tank arrangement system of hybrid fuel power propelling ship according to claim 1, is characterized in that, sets up one deck and add a layer deck above main deck stern berthing accommodation, and the described layer deck that add is higher than described main deck 3~5m.
3. the LNG storage tank arrangement system of hybrid fuel power propelling ship according to claim 1, is characterized in that, on described LNG storage tank, is provided with the water mist sprinkling device.
4. the LNG air feed arrangement system of a hybrid fuel power propelling ship comprises:
The LNG storage tank is built the evaporation combiner by LNG air supply pipe and high pressure pump and pressure again and is connected, described high pressure pump is connected with high pressure evaporator, hybrid fuel main frame, described pressure is built the evaporation combiner again and is connected with the double fuel engine unit, described LNG air supply pipe all is located in air supply chamber, described air supply chamber and LNG storage tank are integrated, and described integrative-structure is positioned at newly-increased the adding on layer deck of stern; The LNG filling station is positioned at the board of accommodation.
5. the LNG air feed arrangement system of hybrid fuel power propelling ship according to claim 4, is characterized in that, described LNG filling station all adopts the sealed chamber design separately, and the filling interface of described LNG filling station is arranged in described sealed chamber.
6. the LNG air feed arrangement system of hybrid fuel power propelling ship according to claim 4, is characterized in that, described LNG filling station comprises two LNG filling stations, and two described LNG filling stations lay respectively at left and right two topsides of accommodation.
7. the LNG air feed arrangement system of hybrid fuel power propelling ship according to claim 4, it is characterized in that, between two described LNG filling stations, be provided with a hull structure tube passage under main deck, be directly connected to the LNG filling station communicating pipe of described LNG filling station in the described hull structure tube passage under described main deck, two described LNG filling stations interconnect.
8. the LNG air feed arrangement system of hybrid fuel power propelling ship according to claim 4, it is characterized in that, increase a hull structure tube passage between described LNG filling station communicating pipe and LNG storage tank, described hull structure tube passage is positioned at the larboard of hull, and described LNG filling station communicating pipe is connected with described LNG storage tank by described hull structure tube passage.
9. the LNG air feed arrangement system of hybrid fuel power propelling ship according to claim 4, is characterized in that, described LNG air supply pipe adopts double-wall pipe, in inner tube, is LNG, between double-wall pipe, is ventilation voids.
10. the LNG air feed arrangement system of hybrid fuel power propelling ship according to claim 4, is characterized in that, in described LNG filling station, is provided with dry chemical powder fire extinguisher and portable dry powder fire extinguisher.
CN201320448879.7U 2013-07-24 2013-07-24 LNG gas storage tank arranging and gas supply arranging system of double-fuel power-propelled ship Expired - Fee Related CN203372385U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108194389A (en) * 2017-12-25 2018-06-22 沪东中华造船(集团)有限公司 It is a kind of to be used to strengthen the device taken a breath between LNG ship Generators
CN111422300A (en) * 2020-03-27 2020-07-17 上海外高桥造船有限公司 Dual-fuel bulk cargo ship

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108194389A (en) * 2017-12-25 2018-06-22 沪东中华造船(集团)有限公司 It is a kind of to be used to strengthen the device taken a breath between LNG ship Generators
CN111422300A (en) * 2020-03-27 2020-07-17 上海外高桥造船有限公司 Dual-fuel bulk cargo ship
CN111422300B (en) * 2020-03-27 2021-03-26 上海外高桥造船有限公司 Dual-fuel bulk cargo ship

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Granted publication date: 20140101

Termination date: 20180724