CN106184691A - A kind of multi-functional LNG generating ship - Google Patents
A kind of multi-functional LNG generating ship Download PDFInfo
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- CN106184691A CN106184691A CN201610857361.7A CN201610857361A CN106184691A CN 106184691 A CN106184691 A CN 106184691A CN 201610857361 A CN201610857361 A CN 201610857361A CN 106184691 A CN106184691 A CN 106184691A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/12—Heating; Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J3/00—Driving of auxiliaries
- B63J3/02—Driving of auxiliaries from propulsion power plant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/06—Apparatus for de-liquefying, e.g. by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
- B63J2/12—Heating; Cooling
- B63J2002/125—Heating; Cooling making use of waste energy
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a kind of multi-functional LNG generating ship, generating set includes gas driven generator group and double fuel engine unit, gas driven generator group A is connected with the supply air line of gas driven generator group B, and double fuel engine unit A is connected with the supply air line of double fuel engine B of Unit；Panel is connected with gas driven generator group A, gas driven generator group B, double fuel engine unit A, double fuel engine B of Unit；Supplying power for outside device, variable-frequency variable-voltage device A, variable-frequency variable-voltage equipment B, variable-frequency variable-voltage equipment C, variable-frequency variable-voltage equipment D are connected with panel respectively；Cable reel is connected with supplying power for outside device.During supplying power for outside, generated electricity by burning LNG, be substantially reduced the discharge of nitrogen oxides, oxysulfide, effectively alleviate the problem of environmental pollution that coastal/inland navigation craft causes；Combustion power generation process stabilization, it is ensured that the supply lasting, stable, sufficient of electricity；LNG cold energy plays the effect of air regulation during the course, is effectively improved cabin working environment.
Description
Technical field
The present invention relates to LNG ship oceangoing ship technical field, particularly relate to a kind of multi-functional LNG generating ship.
Background technology
China is important sea-freight big country of the world, and coastal transportation demand and harbour foreign trade handling capacity are all sure to occupy No. 1 in the world.
Along with the development of seaborne trade, the quantity of the ships that transports such as bulk freighter, container ship and the oil carrier at stop China harbour is not
Break and increase, cause yard craft Air Pollutant Emission total amount increasing.Owing to China's harbour shipping standard of fuel is relatively low, ship
Oceangoing ship mainly uses the marine site that heavy oil or poor ignition quality fuel, the ocean-going vessel waste gas of about 70% are thrown in 400 kilometers of coastline of distance, leads
The air quality impact causing coastal cities and part inland city is serious.
Boats and ships shipping pollution has become China's the third-largest atmospheric pollution after tail gas pollution of motor-driven vehicle, industrial undertaking's discharge
Source, along with persistently going deep into of China's haze " assault of fortified positions ", accelerates to control the discharge of Pollution From Ships thing, advances use cleaning fuel,
Make to be replaced with power supply especially for the boats and ships that reach port, reduce the pollutant emissions such as oxysulfide, nitrogen oxides and particulate matter,
Have become as the major tasks of current atmospheric Environmental capacity.
Currently, the most all there are boats and ships and reach port electricity needs, the most domestic boats and ships that reach port utilize subsidiary engine to generate electricity, to meet
Own power demand, but disposal of pollutants is serious；External developed regions then use bank electricity or conversion low sulfur oil, but yard craft makes
Need to configure suitable electric power facility with bank electricity, economy is the most inconspicuous, and China's low sulfur oil production and supply there is also difficulty.
Existing generating ship technology generally utilizes wind energy, ocean energy etc. to be converted to electric energy, and its generated energy is little, and influence factor is relatively
Many, and it cannot be guaranteed that the supply of continuous and effective in the short time；Serious with the air pollution that the generatings such as fuel oil produce, and function list
One, cause certain resources on board to waste in the electrical demand neutral gear phase.
Summary of the invention
For weak point present in the problems referred to above, the present invention provides a kind of multi-functional LNG generating ship.
For achieving the above object, the present invention provides a kind of multi-functional LNG generating ship, including:
By note tank, LNG liquid goods tank A, LNG liquid goods tank B, vaporization heating unit and generating set；Wherein,
Described by note tank be connected with described LNG liquid goods tank A and described LNG liquid goods tank B respectively, described LNG liquid goods tank A and institute
Stating LNG liquid goods tank B to be connected with described vaporization heating unit respectively, described vaporization heating unit is connected with described generating set；
Described generating set includes gas driven generator group and double fuel engine unit；Described gas driven generator group A and gas
The supply air line of generating set B connects, and described double fuel engine unit A connects with the supply air line of described double fuel engine B of Unit
Connect；Panel and described gas driven generator group A, described gas driven generator group B, described double fuel engine unit A, described double fuel
Generating set B connects；Supplying power for outside device, variable-frequency variable-voltage device A, variable-frequency variable-voltage equipment B, variable-frequency variable-voltage equipment C, variable-frequency variable-voltage
Equipment D is connected with described panel respectively；Cable on cable reel is connected with described supplying power for outside device.
Improving further as the present invention, boats and ships current consuming apparatus is connected with described variable-frequency variable-voltage device A.
Improving further as the present invention, motor A is connected with described variable-frequency variable-voltage equipment B, and propelling screws A is with described
Motor A connects.
Improving further as the present invention, motor B is connected with described variable-frequency variable-voltage equipment D, and propelling screws B is with described
Motor B connects.
Improving further as the present invention, motor C is connected with described variable-frequency variable-voltage equipment C, and side pushes away propeller with described
Motor C connects.
Improving further as the present invention, described vaporization heating unit includes carburator and heater, and described carburator leads to
Cross three-way valve C to be connected with described heater；Nitrogen heat exchanger is connected with described carburator；Air pump respectively with described nitrogen heat exchanger
It is connected with described carburator；Described heater is connected by temperature-sensing valve with described generating set, described temperature-sensing valve and described threeway
Valve C connects.
Improving further as the present invention, immersed pump A and immersed pump B is arranged on inside described LNG liquid goods tank B, described latent
Liquid pump A is connected by note tank with described by fast joint, is provided with check valve A and unidirectional on the pipeline A of described fast joint both sides
Valve B；Described immersed pump B is connected by pipeline B with described vaporization heating unit, is provided with check valve E on pipeline B.
Improving further as the present invention, immersed pump C and immersed pump D is arranged on inside described LNG liquid goods tank A, described latent
Liquid pump D is connected with described pipeline A, and the pipeline C between described immersed pump D and described pipeline A is provided with check valve C；Described
Immersed pump C is connected with described pipeline B by pipeline D, and check valve D is arranged on described pipeline D.
Improving further as the present invention, described LNG liquid goods tank A is connected with described pipeline B by pipeline E, and remote-controlled valve A pacifies
It is contained on described pipeline E.
Improve further as the present invention, fuel oil tank and described double fuel engine machine A, described double fuel engine machine B, described
Gas driven generator A, described gas driven generator B, described vaporization heating unit connect, and the connecting line on described fuel oil tank is pacified
Equipped with on the pipeline between three-way valve A and three-way valve B, described three-way valve A and described gas driven generator A, described gas driven generator B
Pneumatic operated valve is installed.
The invention have the benefit that multi-functional LNG generating ship can be carried out externally in the case of not supplying power for outside
Filling operation, it is achieved that the multi-functional characteristic that a ship is multiplex.During supplying power for outside, generated electricity by burning LNG, be substantially reduced nitrogen
Oxide, the discharge of oxysulfide, effectively alleviate the problem of environmental pollution that coastal/inland navigation craft causes；Can in short time simultaneously
To alleviate the need for electricity anxiety problems such as harbour, harbour, islands and reefs；The LNG storage capacity of multi-functional LNG generating ship is big, combustion power generation
Process stabilization, it is ensured that the supply lasting, stable, sufficient of electricity.Multi-functional LNG generating ship low-temperature characteristics based on its LNG, its
Cold energy carries out heat exchange by nitrogen to cabin and reaches effective air regulation effect, is effectively improved cabin working environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multi-functional LNG generating ship in one embodiment of the invention；
Fig. 2 is the parts connection diagram of the multi-functional LNG generating ship in one embodiment of the invention；
Fig. 3 is vaporization heating unit and the connection in cabin of the multi-functional LNG generating ship in one embodiment of the invention
Schematic diagram；
Fig. 4 is the supplying power for outside system schematic of the multi-functional LNG generating ship in one embodiment of the invention.
In figure: 1-is by note tank；2-check valve A；3-snap joint；4-check valve B；5-immersed pump D；6-check valve C；7-
LNG liquid goods tank A；8-remote-controlled valve A；9-check valve D；10-immersed pump C；11-three-way valve A；12-pneumatic operated valve；13-gas driven generator
Group A；14-gas driven generator group B；15-variable-frequency variable-voltage device A；16-supplying power for outside device；17-cable reel；18-boats and ships power consumption
Equipment；19-motor A；20-propelling screws A；21-propelling screws B；22-generating set；23-side pushes away propeller；24-electricity
Motivation B；25-motor C；26-variable-frequency variable-voltage equipment B；27-variable-frequency variable-voltage equipment C；28-panel；29-double fuel engine machine
Group A；30-three-way valve B；31-double fuel engine B of Unit；32-fuel oil tank；33-vaporizes heating unit；34-check valve E；35-dives
Liquid pump B；36-LNG liquid goods tank B；37-remote-controlled valve B；38-immersed pump A；39-cable；40-three-way valve C；41-heater；42-vapour
Change device；43-nitrogen heat exchanger；44-cabin；45-temperature-sensing valve；46-air pump；47-cable transmission mechanism；48-driving means；49-
Cable management system control chamber；50-cable drum；51-cable bearer；52-variable-frequency variable-voltage equipment D.
Detailed description of the invention
As it is shown in figure 1, the one of the embodiment of the present invention multi-functional LNG generating ship, including: LNG storage element contains
One or more LNG liquid goods tank, realizes externally filling operation by filling unit；When liquid goods tank fuel shortage, by filling
Unit carries out fuel make up to LNG liquid goods tank；After overflash heating unit, 0-20 DEG C is become from LNG liquid goods tank LNG out
Gas enter generator unit combustion power generation, wherein vaporization heating unit mainly include carburator and heater, generator unit
Contain LNG generating set and double fuel engine unit, in LNG vaporization heating process, by nitrogen and jacket water respectively with cabin,
Generating set carries out vaporization heating LNG after heat exchange；The waste gas that generator unit produces is circulated utilization through UTILIZATION OF VESIDUAL HEAT IN unit
Rear discharge；The electricity sent by generator unit carries out the centralized distribution of electricity through power supply unit, and output is to supplying power for outside device, electricity
The power units such as other current consuming apparatus of power propulsion system, boats and ships.
As in figure 2 it is shown, be connected with LNG liquid goods tank A7 and LNG liquid goods tank B36 respectively by note tank 1, LNG liquid goods tank A7 and LNG
Liquid goods tank B36 is connected with vaporization heating unit 33 respectively, and vaporization heating unit 33 is connected with generating set 22.Generating set 22 wraps
Including gas driven generator group and double fuel engine unit, gas driven generator group A13 connects with the supply air line of gas driven generator group B14
Connecing, double fuel engine unit A29 is connected with the supply air line of double fuel engine B of Unit 31；Panel 28 and gas driven generator group
A13, gas driven generator group B14, double fuel engine unit A29, double fuel engine B of Unit 31 connect；Supplying power for outside device 16, change
Frequently potential device A15, variable-frequency variable-voltage equipment B26, variable-frequency variable-voltage equipment C27, variable-frequency variable-voltage equipment 52 are respectively with panel 28 even
Connect；Cable 39 on cable reel 17 is connected with supplying power for outside device 16.Boats and ships current consuming apparatus 18 is with variable-frequency variable-voltage device A 15 even
Connect.Motor A19 is connected with variable-frequency variable-voltage equipment B26, and propelling screws A20 is connected with motor A19.Motor B24 and change
Frequently potential device 52 connects, and propelling screws B21 is connected with motor B24.Motor C25 is connected with variable-frequency variable-voltage equipment C27,
Side pushes away propeller 23 and is connected with motor C25.Immersed pump A38 and immersed pump B35 is arranged on inside LNG liquid goods tank B36, immersed pump
A 38 is connected with by note tank 1 by fast joint 3, is provided with check valve A2 and check valve B4 on the pipeline A of fast joint 3 both sides；
Immersed pump B35 is connected by pipeline B with vaporization heating unit 33, is provided with check valve E34 on pipeline B.Immersed pump C10 is with latent
Liquid pump D5 is arranged on inside LNG liquid goods tank A7, and immersed pump D5 is connected with pipeline C, the pipeline C between immersed pump D5 and pipeline A
On check valve C6 is installed；Immersed pump C10 is connected with pipeline B by pipeline D, and check valve D9 is arranged on pipeline D.LNG liquid goods
Tank A7 is connected with pipeline B by pipeline E, and remote-controlled valve A8 is arranged on pipeline E.Fuel oil tank 32 and double fuel engine unit A29, double
Fuel power generation function unit B31 connects, and is provided with three-way valve A11 and three on the connecting line of fuel oil tank 32 and vaporization heating unit 33
On logical pipeline between valve B30, three-way valve A11 and gas driven generator group A13, gas driven generator group B14, pneumatic operated valve 12 is installed.
When multi-functional LNG generating ship externally fills, LNG liquid goods tank A7 is defeated by LNG by immersed pump D5, immersed pump A38
Deliver to flexible hose for loading, enter by note tank 1 after flowing through check valve A2, complete filling.Flexible pipe is provided with check valve B4, check valve
C6, prevents adverse current, accesses snap joint 3 after two flexible pipe parallel connections, improves filling convenience.Generate electricity at multi-functional LNG generating ship,
During power supply, LNG liquid goods tank A7, LNG liquid goods tank B36 by immersed pump C10, immersed pump B35 LNG flowed separately through check valve D9,
It is delivered to vaporize heating unit 33 after check valve E34 parallel connection, enters into generating set 22 combustion power generation after LNG vaporization heating, send out
Electricity is allocated by the electricity gone out by panel 28, after supplying power for outside device 16, by cable reel 17 by electricity by band
The cable 39 of Quick connector connects outside electrical demand end；After variable-frequency variable-voltage device A 15, it is delivered to multi-functional LNG and sends out
Electricity ship current consuming apparatus 18；After variable-frequency variable-voltage equipment B26 and variable-frequency variable-voltage equipment 52, supply motor A19 and induction motor
B24, drives propelling screws A20, propelling screws B21 respectively；After variable-frequency variable-voltage equipment C27, supply motor C25,
Driving side pushes away propeller 23.When the amount that BOG in LNG liquid goods tank A7 produces is big, respectively by remote-controlled valve A8, remote-controlled valve B37 also
Enter into vaporization heating unit after connection, carry out combustion power generation after vaporization heating, reduce the loss of BOG.Generating set is by the pure gas of LNG
Body generating set A13, gas driven generator group B14 and small capacity double fuel power generation function unit A29, double fuel engine B of Unit 31 form,
The most replaceable diesel generation, diesel oil pumps out from fuel oil tank 32 and enters into double fuel engine unit through three-way valve B30
A29, double fuel engine B of Unit 31 carry out combustion power generation.
As it is shown on figure 3, vaporization heating unit 33 includes carburator 42 and heater 41, carburator 42 is by three-way valve C40
It is connected with heater 41；Nitrogen heat exchanger 43 is connected with carburator 42；Air pump 46 respectively with nitrogen heat exchanger 43 and carburator 42
Connect；Heater 41 is connected by temperature-sensing valve 45 with generating set 22, and temperature-sensing valve 45 is connected with three-way valve C40.From LNG liquid goods tank
In LNG out enter in carburator 42 and be vaporized, the nitrogen in nitrogen heat exchanger 43 after cabin 44 air heats by
Air pump 46 is transported to carburator 42, circulates and lowers the temperature into cabin；Flow through three-way valve C40 after LNG vaporization to enter in heater 41 and add
Heat, after the natural gas via after heating crosses temperature-sensing valve 45, temperature reaches i.e. to enter into generating set 22 combustion power generation into machine scope, when
Enter temperature before machine too low time, temperature-sensing valve 45 upper end opens, and returns to three-way valve C40 and enters heater 41 and reheat, enters and send out
Group of motors combustion power generation.Vaporization heating unit 33 is made up of three-way valve C40, heater 41, carburator 42.Generating set 22, nitrogen
Gas heat exchanger 43, air pump 46 are in cabin 44.
As shown in Figure 4, the electric energy that generating set 22 sends, by panel 28, supplying power for outside device 16, cable reel 17
Electric energy is transferred out；Cable reel 17 is by cable transmission mechanism 47, driving means 48, cable management system control chamber 49, electricity
Cable reel 50, cable bearer 51 etc. form；Cable management system control chamber 49 is arranged on cable bearer 50 side, cable transmission machine
Structure 47 is located on cable drum 50 top, and cable drum 50 is arranged on cable bearer 51, the axle in the middle part of cable drum 50 with drive
Dynamic device 48 connects.Cable bearer 51 (containing base) is for supporting cable transmission mechanism 47 and cable drum 50；Cable
Transmission mechanism 47, by telescopic arm, passes to cable on electricity consumption ship (bank)；Equipped with automatic cable arrangement device on cable drum 50, folding and unfolding
Shi Wuxu manually carries out layout；Driving means 48 for cable traveling, arrange, roll up and put and transmission etc. provides power；Cable tube
Reason system control box 49 is internal is provided with control panel, for controlling the automatic cable arrangement device automatic deploying and retracting electricity on cable drum 50
Cable, and cable 39 is controlled and manages, cable length can be automatically adjusted with boats and ships lifting in using, and abnormal at boats and ships
In the case of separate, automatically cut off electric power transmission；Secondly cable management system control chamber 49 can detect on cable drum 50
Residue cable, sends early warning when remaining cable and reaching alarm value, sends instruction when remaining cable and reaching the limit values and cuts off electricity
Pressure, prevention tide, typhoon destroy.
A kind of multi-functional LNG generating ship the most existing generating ship technology, it is provided that a kind of using LNG sending out as fuel
Electricity form, produces electric power by LNG generating set, substitutes the oil-fired power generating of boats and ships fuel electric generator group.
A kind of multi-functional LNG generating ship provides exclusive supply technology, and this supply technology contains and externally fills skill
Art and LNG air supply system.Can externally carry out filling operation on the premise of not generating electricity；During LNG generating set normal power generation,
LNG air supply system can meet the air supply requirement under jet dynamic control full load 100%MCR operating mode.The combustion of supply generator group
Gas has two ways: LNG is transported to vaporize heating unit, by LNG vapour by the LNG in a kind of LNG of being liquid goods tank by immersed pump
It is changed into natural gas after changing heating, enters into surge tank voltage stabilizing, be transported to generator unit sustainedly and stably；Another way is
The BOG produced in LNG liquid goods tank is drawn by gas compressor from goods tank, compresses it to the combustion needed for jet dynamic control
Atmospheric pressure, and after combustion heater heats, it is transported to surge tank, thus supply for gas engine group.In supply technology,
Mainly contain cargo system and LNG fuel system, it is ensured that normal operation and each operating mode of LNG liquid goods tank are normal.
The electricity that a kind of multi-functional LNG generating ship sends is transported to power supply unit, and provides supplying power for outside technology, externally supplies
Electricity mainly has ship-to-ship, ship to shore both of which.It is essentially divided into 3 parts: electric power system, cable connection system and ship on ship
(bank) is upper by electricity system.Power supply technique disclosure satisfy that the electricity needs such as boats and ships, harbour, offshore platform, island, and power supply capacity is permissible
From several megawatts to hundreds of individual megawatt, so multi-functional LNG generating ship pays the utmost attention to high voltage supply system, there is generating capacity
Greatly, number of cable is few, cable connects the advantages such as rapid and convenient.Frequency can select 50Hz or 60Hz flexibly, it is possible to uses advanced person's
50Hz/60Hz two-frequency operation pattern.Ship is provided with cable reel simultaneously, uses band between outer electric supply installation and electric power access device
There is the cable of quick-speed plug part.
A kind of multi-functional LNG generating ship produces substantial amounts of high-quality fume afterheat and cylinder while utilizing LNG generating
Set water waste heat, and the auxiliary equipment such as generating set in cabin and boiler to run temperature in causing cabin in a large number higher.For this
A kind of multi-functional LNG generating ship provides technology and the cabin atmosphere adjusting means of a set of efficient recovery fume afterheat, enters one
Step improves the unit efficiency of LNG generating ship, and improves cabin atmosphere.Flue gas waste heat recovery technology refers at UTILIZATION OF VESIDUAL HEAT IN list
Unit's flue gas makes different grades of domestic water respectively through Multi-stage heating sea water, for providing the fresh water of abundance in LNG generating ship
Resource；Jacket water refers to the mixture of water and ethylene glycol, after entering into vaporization heating unit, after jacket water waste heat is used for heating vaporization
Natural gas, simultaneously returns to cabin and lowers the temperature for generating set；High for cabin temperature, a kind of multi-functional LNG generating ship designs
Having a set of heat exchange unit being specifically applied to cabin cooling, the air themperature in cabin is adjusted, is adopted by this heat exchange unit
Heat transferring medium be nitrogen, nitrogen is entered into the vaporization heating unit of LNG by air heating in cabin and carries out heat exchange with LNG,
After vaporization LNG, the nitrogen of low temperature returns to cabin and again heats through cabin atmosphere, circulates as cabin cooling and continuous gasifying LNG.
There is equipment complexity in various degree for existing generating ship technology, disposal of pollutants is high, influence factor is big, generating
Measure the problems such as little, short time continued power difficult, cabin atmosphere is poor, supply district is little, the invention provides a kind of multi-functional
LNG generating ship, this novel ship is mainly by filling unit, LNG storage element, vaporization heating unit and generator unit, electricity consumption list
The compositions such as unit.Filling unit can power the neutral gear phase for the offer filling of coastal LNG Power Vessel at generating ship；LNG storage element can
Sufficient fuel is provided for generating ship；Vaporization heating unit enters electromotor combustion power generation after can making LNG gasification heating；Simultaneously
Cabin temperature can be adjusted by gasification heat exchange unit, improves cabin working environment；Generator unit can be external power in short-term
Between demand provide continual electricity supply, the supply of electric power of different capacity shelves can be met.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multi-functional LNG generating ship is the most external
During power supply, flexible hose for loading can be connected, provide filling-up service for coastal LNG Power Vessel；When supplying power for outside, fill time different
Operation, now the LNG in LNG liquid goods tank enters into generating set and carries out combustion power generation after air supply system vaporization heating, sends out
The electricity gone out enters panel and carries out power energy allocation at different levels, and connects the external output device of electricity to electrical demand end by panel
It is powered；Generating set is made up of LNG generating set and small capacity double fuel power generation function unit, and small capacity double fuel power generation function unit is main
Boats and ships self electric quantity supply when this ship berths.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a multi-functional LNG generating ship, it is characterised in that including:
By note tank (1), LNG liquid goods tank A (7), LNG liquid goods tank B (36), vaporization heating unit (33) and generating set (22)；Its
In,
Described by note tank (1) be connected with described LNG liquid goods tank A (7) and described LNG liquid goods tank B (36) respectively, described LNG liquid goods
Tank A (7) and described LNG liquid goods tank B (36) are connected with described vaporization heating unit (33) respectively, described vaporization heating unit (33)
It is connected with described generating set (22)；
Described generating set (22) includes gas driven generator group and double fuel engine unit；Described gas driven generator group A (13) with
The supply air line of gas driven generator group B (14) connects, described double fuel engine unit A (29) and described double fuel engine B of Unit
(31) supply air line connects；Panel (28) and described gas driven generator group A (13), described gas driven generator group B (14), institute
State double fuel engine unit A (29), described double fuel engine B of Unit (31) connects；Supplying power for outside device (16), variable-frequency variable-voltage set
Standby A (15), variable-frequency variable-voltage equipment B (26), variable-frequency variable-voltage equipment C (27), variable-frequency variable-voltage equipment D (52) respectively with described panel
(28) connect；Cable (39) on cable reel (17) is connected with described supplying power for outside device (16).
Multi-functional LNG generating ship the most according to claim 1, it is characterised in that: boats and ships current consuming apparatus (18) is with described
Variable-frequency variable-voltage device A (15) connects.
Multi-functional LNG generating ship the most according to claim 1, it is characterised in that: motor A (19) becomes with described frequency conversion
Pressure equipment B (26) connects, and propelling screws A (20) is connected with described motor A (19).
Multi-functional LNG generating ship the most according to claim 1, it is characterised in that: motor B (24) becomes with described frequency conversion
Pressure equipment D (52) connects, and propelling screws B (21) is connected with described motor B (24).
Multi-functional LNG generating ship the most according to claim 1, it is characterised in that: motor C (25) becomes with described frequency conversion
Pressure equipment C (27) connects, and side pushes away propeller (23) and is connected with described motor C (25).
Multi-functional LNG generating ship the most according to claim 1, it is characterised in that: described vaporization heating unit (33) is wrapped
Including carburator (42) and heater (41), described carburator (42) is connected with described heater (41) by three-way valve C (40)；Nitrogen
Gas heat exchanger (43) is connected with described carburator (42)；Air pump (46) respectively with described nitrogen heat exchanger (43) and described carburator
(42) connect；Described heater (41) and described generating set (22) are connected by temperature-sensing valve (45), described temperature-sensing valve (45) and
Described three-way valve C (40) connects.
Multi-functional LNG generating ship the most according to claim 1, it is characterised in that: immersed pump A (38) and immersed pump B
(35) being arranged on described LNG liquid goods tank B (36) internal, described immersed pump A (38) is subject to note tank (1) by fast joint (3) with described
Connect, the pipeline A of described fast joint (3) both sides is provided with check valve A (2) and check valve B (4)；Described immersed pump B (35)
It is connected by pipeline B with described vaporization heating unit (33), pipeline B is provided with check valve E (34).
Multi-functional LNG generating ship the most according to claim 7, it is characterised in that: immersed pump C (10) and immersed pump D (5)
Being arranged on described LNG liquid goods tank A (7) internal, described immersed pump D (5) is connected with described pipeline A, described immersed pump D (5) and
Check valve C (6) is installed on the pipeline C between described pipeline A；Described immersed pump C (10) is by pipeline D and described pipeline B even
Connecing, check valve D (9) is arranged on described pipeline D.
Multi-functional LNG generating ship the most according to claim 7, it is characterised in that: described LNG liquid goods tank A (7) is by pipe
Road E is connected with described pipeline B, and remote-controlled valve A (8) is arranged on described pipeline E.
Multi-functional LNG generating ship the most according to claim 1, it is characterised in that: fuel oil tank (32) and described double fuel
Electromotor A (29), described double fuel engine machine B (31), described gas driven generator A (13), described gas driven generator B (14), institute
State vaporization heating unit (33) to connect, the connecting line on described fuel oil tank (32) is provided with three-way valve A (11) and threeway
Valve B (30), on the pipeline between described three-way valve A (11) and described gas driven generator A (13), described gas driven generator B (14)
Pneumatic operated valve (12) is installed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610857361.7A CN106184691A (en) | 2016-09-27 | 2016-09-27 | A kind of multi-functional LNG generating ship |
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| CN201610857361.7A CN106184691A (en) | 2016-09-27 | 2016-09-27 | A kind of multi-functional LNG generating ship |
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| CN201610857361.7A Pending CN106184691A (en) | 2016-09-27 | 2016-09-27 | A kind of multi-functional LNG generating ship |
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| CN107826230A (en) * | 2017-10-23 | 2018-03-23 | 王金昌 | Huge transport by sea system |
| CN107914860A (en) * | 2017-10-26 | 2018-04-17 | 上海宏华海洋油气装备有限公司 | Intelligent liquefied natural gas generating ship |
| CN109322738A (en) * | 2017-07-31 | 2019-02-12 | 中集海洋工程有限公司 | Retired platform is transform as to the method and the LNG generation platform of LNG generation platform |
| CN112498649A (en) * | 2020-11-27 | 2021-03-16 | 沪东中华造船(集团)有限公司 | Energy storage method for recycling LNG transport ship volatile gas |
| CN112983686A (en) * | 2021-03-17 | 2021-06-18 | 青岛双瑞海洋环境工程股份有限公司 | LNG (liquefied Natural gas) supply system of dual-fuel engine and LNG ship |
| CN113983354A (en) * | 2021-10-19 | 2022-01-28 | 中国船舶重工集团公司第七一一研究所 | Self-pressurization gas supply system for ship and working method thereof |
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