Mobile aerating ship
Technical field
The utility model relates to the mobile aerating of natural fuels (LNG) field, particularly a kind of mobile aerating ship.Especially be applicable to the mobile aerating ship that existing operation ship reconstruction is become.
Background technology
The day by day protrusion of environmental problem and the exhaustion day by day of oil resources will be the bottleneck problems of restriction future shipping development.The Inland Changjiang River shipping that have " golden waterway " good reputation is being brought into play very important effect to the development of China's economic society, energy-saving and emission-reduction are by the main flow that is following river navigation industry development, by novel natural fuels (LNG) and diesel blended fuel ship type, progressively replace high energy consumption, the conventional diesel fuel ship type of high pollution discharge will be that inland navigation craft is built trend, hybrid fuel ship tentatively starts research and development operation now, but the boats and ships liquid gas station on bank, the Changjiang river is still in the standard development phase, production cycle is long, input cost is higher, wouldn't immediately meet the aerating problem of hybrid fuel ship.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of mobile aerating ship, and can realize to other natural gas boats and carry out mobile aerating, and boats and ships itself also can take natural fuels as main fuel, and can the double oil that combusts.Structure of the present utility model is also convenient to take diesel motor and transform on main operation boats and ships basis existing.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of mobile aerating ship, comprise hull, hull is provided with storage tank, storage tank is connected with gas-liquid separator by the second filter, wherein gas phase is connected with storage tank through gas pipe line, and liquid phase is connected with flow counter through safety valve, and flow counter via controller is connected with air filling gun;
Storage tank is also connected with sustainer, main engine, usings as optional fuel source.
Storage tank is connected with gasifier, and gasifier is connected with the first filter, and the first filter is connected with energy disperser, and energy disperser is connected with pressure reducer, and pressure reducer is connected with fuel gas injection valve, and fuel gas injection valve is connected with sustainer, main engine.
The mouth of fuel gas injection valve is also connected with ECU (Electrical Control Unit), and ECU (Electrical Control Unit) is connected with injection pump, and injection pump is connected with mixer through throttle actuator.
The ECU (Electrical Control Unit) feedback link that circulates is controlled, and by sensor, is accurately controlled the fuel charge of diesel systems and by fuel gas injection valve, is sprayed into the emitted dose of the gaseous fuel of sustainer, main engine.
Described sustainer, main engine is diesel motor.
For the cooling circulating water pipe of sustainer, main engine, be connected with gasifier.
Described storage tank is positioned at hull cargo hold by ship stern position.
Two combustible gas probes are at least installed in storage tank position, at least four combustible gas probes are installed in hull cabin, in both sides, hull cabin, tip position is at least installed two axial flow explosion-proof fans.
While supplementing source of the gas, gas station is connected with storage tank by pipeline on the bank.
A kind of mobile aerating ship that the utility model provides, traditional fuel engines can be replaced by novel gas fuel mixed fuel engine, and will lean on ship after-hold to isolate certain space and place gas fuel storage tank, this storage tank is not only for boats and ships itself provide gas fuel, can also, for other driving engine boats and ships of the same type provide gas fuel, there is the effect of energy-saving and environmental protection.
The utility model is in conjunction with the advantage of river navigation and the feature of inland navigation craft, and the research and development actual development situation of the interior natural fuels (LNG) of industry and diesel blended fuel ship, ships reconstruction technical matters, the particularly application of novel blended fuel driving engine, overcome shortcomings and limitation in above-mentioned outmoded shipping transport process, there are energy-conserving and environment-protective, economical and practical, safe and reliable, handle simple, the advantages such as maintenance is convenient, can effectively solve the outmoded boats and ships problem of disassembling on the verge of being replaced, particularly in an inland navigation craft energy-saving and emission-reduction difficult problem, the present situation of Inland Changjiang River maritime industry will be changed, in transformation technical field, also the meaning of reference will be there is.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the connection structure schematic diagram of composite fuel part in the utility model.
Fig. 2 is the connection structure schematic diagram of aerating part in the utility model.
In figure: storage tank 1, gasifier 2, the first filters 3, energy disperser 4, pressure reducer 5, fuel gas injection valve 6, mixer 7, sustainer, main engine 8, circulating water pipe 9, throttle actuator 10, injection pump 11, ECU (Electrical Control Unit) 12, gas station 13 on the bank, pipeline 14, the second filters 15, gas pipe line 16, gas-liquid separator 17, safety valve 18, flow counter 19, controller 20, air filling gun 21.
The specific embodiment
In Fig. 1,2, a kind of mobile aerating ship, comprises hull, and hull is provided with storage tank 1, and preferred described storage tank 1 is positioned at hull cargo hold by ship stern position, and the design of LNG tankage size is vertical, horizontal etc., according to not shipmate type, need to select different schemes.Storage tank 1 is connected with gas-liquid separator 17 by the second filter 15, and wherein gas phase is connected with storage tank 1 through gas pipe line 16, and liquid phase is connected with flow counter 19 through safety valve 18, and flow counter 19 via controllers 20 are connected with air filling gun 21;
In storage tank 1, liquefied natural gas is extracted out by the second filter 15, by highdensity strainer filtering, fall the impurity in blue gas, again through gas-liquid separator 17 separation, bubble separation in natural fuels is gone out, the natural fuels gas that guarantees filling is liquid, and isolated gas flows back to storage tank 1 by gas pipe line 16; Liquified natural gas fuel is through safety valve 18, flow counter 19, controller 20, by the direct aerating of air filling gun 21.The structure of its middle controller 20 and air filling gun 21 is prior art, repeats no more here.While supplementing source of the gas, gas station 13 is connected with storage tank 1 by pipeline on the bank.
Storage tank 1 is also connected with sustainer, main engine 8, usings as optional fuel source.By the setting of pipe valve, only using fuel oil is also feasible as fuel source, the operating mode that cannot use after emptying to tackle liquefied natural gas in storage tank 1.
Preferred scheme is as in Fig. 1, and storage tank 1 is connected with gasifier 2, and gasifier 2 is connected with the first filter 3, the first filter 3 is connected with energy disperser 4, energy disperser 4 is connected with pressure reducer 5, and pressure reducer 5 is connected with fuel gas injection valve 6, and fuel gas injection valve 6 is connected with sustainer, main engine 8.
Preferred scheme is as in Fig. 1, and the mouth of fuel gas injection valve 6 is also connected with ECU (Electrical Control Unit) 12, and ECU (Electrical Control Unit) 12 is connected with injection pump 11, and injection pump 11 is connected with mixer 7 through throttle actuator 10.
Preferred scheme is as in Fig. 1, and the ECU (Electrical Control Unit) feedback link that circulates is controlled, and by sensor, accurately controlled the fuel charge of diesel systems and by fuel gas injection valve, sprayed into the emitted dose of the gaseous fuel of sustainer, main engine 8.
Preferably, described sustainer, main engine 8 is diesel motor.
Gas fuel first passes through gasifier 2 after extracting out from storage tank, makes the liquefied natural gas in storage tank 1 absorb heat rapidly and become as liquefied natural gas, and thermal source is preferably from steam generator system on sustainer, main engine 8 circulating waters or ship; Natural gas via the first filter 3 after gasification is removed impurity and voltage stabilizing, then adjusts through pressure reducer 5, makes the delivery pressure of natural fuels meet system requirements; The natural fuels of voltage stabilizing flows through fuel gas injection valve 6, adjust the output of natural fuels, by ECU (Electrical Control Unit) 12, be that the ECU feedback link that circulates is controlled, by sensor, accurately control diesel systems to fuel charge and by fuel gas injection valve 6, spray into the emitted dose of the gaseous fuel of diesel engine, making that bifuel system is optimized more, economy; Cross the rear natural fuels of fuel gas injection valve 6 and be directly connected with transport pipe, through mixer 7, directly enter sustainer, main engine 8, wherein mixer is connected with ECU (Electrical Control Unit) 12; On the injection pump 11 being connected with diesel oil tank, throttle actuator 10 is directly installed, for controlling the diesel oil amount of pilot fuel, be connected with ECU, by controlling injection pump 11 ratch positions, limit diesel fuel injection amount, adopt PID double closed-loop control system.
Further preferred, in storage tank 1 position, two combustible gas probes are at least installed, at least four combustible gas probes are installed in hull cabin, in both sides, hull cabin, tip position is at least installed two axial flow explosion-proof fans.Once have fire gases to reveal, concentration reach natural fuels fire a little 20% just carry out sound and light alarm, and automatically start axial flow explosion-proof fan and force exhaust ventilation.If concentration reach fire a little 40%, automatically cut off electric check valve.Above-mentioned course of action is all automatic control.In storage tank 1 position and cabin, respectively put many powder extinguishers in addition.