Fuel system submarine
(57) Abstract:The invention relates to shipbuilding, in particular to the fuel systems of submarines. Fuel system the submarine contains a fuel tank, a device for sludge and fuel on diesel with the pipeline draining the sludge in the tank waste fuel placed in the diesel compartment, receiving supplies pipe and a fuel line connecting the exterior of the fuel tank through the device for sludge and fuel with diesel. Device for sludge and fuel on diesel made in the form of the inertial separator is continuous, has a sensor section of environments and valve with automatic control system, placed on the pipe draining the sludge. External fuel tanks are made elongated in height to ensure backwater fuel separator and diesel. Improved system reliability, reduced its mesohabitat and efficiency of the plant. 2 C.p. f-crystals, 1 Il. The invention relates to shipboard systems submarine (PL), in particular to the fuel system.Known ship fuel system (see S. N. Prasolov, M. B. Amicin "Device p is inogo fuel to the main engines, diesel generators and diesel compressors, and transfer fuel to other ships or to the base. This fuel system is adopted for the prototype.It includes an external fuel tank, a device for sludge and fuel on diesel (expendable fuel tank), placed under padmaloka diesel compartment with drain line sludge receiving and supplies pipe and the fuel line to the diesel.External fuel tanks have a capacity of 85-97% of the total fuel. To ensure stability of the submarine they are traditionally placed in the lower part of the light hull under the bottom of the hull, resulting in a filled volume of the fuel tanks have a small height with a relatively large width and length of the tank (see Fig.54, 55, Prasolov S. N., Amicin M. B. ).When replacing the fuel with water, even at low fuel in the tank of a large surface area media "fuel-water", which in stormy weather and the presence of a submarine on the surface position forms an emulsion layer of a large thickness.From all external fuel tanks one, usually located near the diesel compartment, stands out as luchytsia on it. At the end of the fuel in one tank and then move to another possible surge flooded fuel in the supply tank, flow and getting flooded fuel in the supply of the fuel tank.Expendable fuel tank is used for Parking and the supply of diesel fuel for diesel with the necessary support for a long time without updating, occupies a large volume and without that zatesnennye compartment located under padmaloka, and by virtue of the above configuration and the upper part of the diesel compartment design has great length and width small height. Tank is divided by a vertical partition into two independent halves, in the lower part of which are septic tanks with shut-off valves and piping draining the sludge in the tank waste fuel.While diesel install one half of the tank is placed on consumption, while the other is filled and settled.After the fuel in the first half of the tank switches: the first half of the tank is placed on the Deposit and sludge, and the second on consumption for diesel installations.Because fuel consumed b the frame layer (flooded fuel) the fuel does not have time to fully settle and possible water in the fuel equipment of diesel engines.The objective of the invention is to enhance reliability, efficiency, power and resource of its fuel equipment by better preparing fuel on a submarine before combustion, and reduced mesohabitat, labor, cost of labor for fabrication and installation of the fuel system.To solve this problem in the fuel system, including external fuel tanks, receiving supplies piping, fuel for diesel, the device for sludge and fuel on diesel (expendable fuel tank) sludge drain line is made in the form of the inertial separator continuous (RF patent N 2077916) equipped with a system for separating and automatically remove water and mechanical impurities, and the design of the external fuel tank is elongated in height, which used part of the tank main ballast (BTF), placed in the light ends of the submarine, under the fuel and ballast tanks (CBC) and each one has a vertical longitudinal bulkheads fitted with overflow (siphon) pipes. This ensures a good crap, afflux of fuel needed for the efficient operation of the inertial separator I fuel diesel installed device for preheating to a temperature of 20-50oC to reduce the viscosity of the fuel before feeding it to the separator and filters.External fuel tanks are connected to each other. Water supply replacement when this is done in the end.The invention is illustrated in the drawing, which shows a diagram of the fuel system.The system consists of the exterior of the fuel or fuel and ballast tanks CBC 1, 2 with longitudinal partitions 3, bypass (bellows) pipes 4 and main pipelines: receiving supplies 5, substitution 6, replace fuel fuel 7, ventilation 8; compensation partitions 9 provided at the bottom with the sea, and at the top through pipe pressure equalizing 10 with pipeline replacement CBC; tank waste fuel 11 wastewater from the pipeline 12, the interior of the fuel tank 13, the counter flow of the fuel 14 with a coarse filter, inertial separators fuel 15, hand pumps 16, bottom valves: Kingston 17 partitions compensation fuel volume adjustment pressure in CBC overboard in a submerged position; kingstons substitution: 18 TBC and 19 TBC; kingstons receiving consumable: 20 TBC and 21 TBC, Kingston 22 substitution of fuel by the fuel; valve: a substitution; travel valves: 28 releasing TBS from TBS; 29 substitution (II constipation); 30 receiving and expenditure (II constipation), 31 receiving fuel (II constipation); 32 distribution of water replacement (II constipation); 33 ventilation TBC and compensation partitions (II constipation); 34 ventilation TBC (II constipation); 35 water supply replacement system sea water diesel; 36 water supply substitution from bilge pump; 37 accounting taking fuel in external tanks; 38 accounting distribution areas; 39 fuel consumption and reception in the inner tank; 40 descent separated water and solids from the separator; 41 fuel on diesel at the time of start; 42 fuel supply to the diesel engine during operation; 43 ventilation inertial separator; 44 ventilation of the tank waste fuel; 45 ventilation of the inner tank; 45 receiving consumable inner tank; 47 dewatering tank waste fuel air; 48 overlap the drain pipe; 49 fuel injection moulding diesel; 50 dewatering tank waste fuel hand pump; 51 flush cistern, waste fuel; 52 blowing TBC and compensation of partitions; 53 blowing TBC, 54 flush of the inner tank; 55 deck bushing receiving fuel; 56 deck bushing distribution of water replacement; sensors partition: 57 fuel in water; 58 Pliva; pressure gauge 63.Kingston 17, the valves 29, 30, 40 remote-controlled.Receiving fuel from the base or other vehicle is carried out under a pressure in the fuel ballast (outer) tank filled with water.The fuel can be taken separately, alternately in each of the tanks, and exterior and consistently with the issue of water replacement from a terminal in TBC.In case of separate receiving fuel through the deck bushing 55, Kingston 26, the valve 31, pipeline fittings, count the number of received fuel 14, the valve accounting taking fuel in the external tank 37, the valve 30, Kingston 21 serves for receiving consumable pipe 5 in the upper right part TBC either through the valve 28, Kingston 20 for receiving consumable pipe 5 to the upper left of TBC.Water replacement from the lower part TBC (TBC) pipeline replacement 6 through Kingston 19 (18), the valve 29, pipe fittings, valve 32, Kingston 27, deck bushing 56, transition elbow and hose connection is given on the base or in a special container.When sequentially receiving fuel through the deck bushing 55, Kingston 26, the valve 31, pipeline fittings, count the number of received fuel 14, klapa the cast pipe 4, then by pipeline replacement fuel fuel 7, sea valves 22, 20, receiving and spending the pipeline 5 is served in TBC, filling her.Water replacement from the lower part TBC pipeline replacement 6 through Kingston 18 and forth as if separate reception is removed at the base or in a special container.Reception in the inner tank is carried out by pipeline armature, as in the outer tank, then through the meter 14, the valve metering accept internal fuel tank 39, piping with valves and valve 46 to the bottom of the tank. The deadline is determined by the tide-gauge. The end of the reception in the outer tank is determined by the sensor is triggered partition 57 "Fuel in water".Trial pipeline cancelled.The pressure receiving fuel is controlled by a pressure gauge 63 installed at the receiving pipeline inside a SQ.The fuel consumption.The fuel is spent on ensuring the operation of diesel generators. Fuel and ballast tanks can be used as separately and successively. To avoid casting the emulsion layer in the fuel pipe, especially when a large sea on a submarine the enactment of the queue.The sequential flow of water replacement is served while the boat under the RDP (the operation of the diesel under the periscope) Board compensation through the enclosure 9, Kingston 17, the pipeline pressure equalizing 10 or (when the diesel engine in the surface position of the boat) from the pump system external water, hung on diesel, through valves 35, 29 and then through the Kingston 18 in TBC. The water pressure replace fuel from TBC through an overflow pipe 4, the pipe receiving supplies 5, sea valves 20 and 22 when closed, the valve 28 is extruded in TBS through the pipeline replacement fuel fuel 7 and hereinafter referred to as flow through an overflow pipe 4, the receiving-consumable pipe 5, Kingston 21, the valve 30, the valve with the pipe when closed, the valve 37 through the meter 14, the valve of the fuel consumption 39, tubing, coil heating fuel 62, fuel separator 15, the valve 42 is supplied to the diesel.When injected into the fuel emulsion layer or water replacement at the end of the fuel from the fuel and ballast tanks sensor triggers partition 58 "Water in fuel". This automatically triggers the closing of the hydraulically operated valve 30.Suspended fine particles of water and mechanical impurities, PTSA in the tank waste fuel 11 when the sensor is triggered partition 59 "Water in the sump of the separator through hydraulically operated valve 40.The end of the fuel can also be determined by opening valves ventilation TBC 25, 34; TBC 24, 33.The principle of operation of the separator based on the use of the difference of the densities of the fuel and water. The cage has a small flow resistance and provides a continuous flow of fuel and cleaning of water and mechanical impurities in sufficient detail and subtlety.The separator consists of a vertical cylindrical housing with inlet and outlet nozzles located in the upper part of the tank deflection plates with expansion chamber, the reflective septum and socket to remove the sludge.The flow of the fuel flowing into the separator, dramatically slowing in the extender, and after passing through the deflector, changes its direction by 180owith the transition to the up to the maximum manifestation of inertia forces. Because impurities heavier than fuel, they settle to the bottom of the tank under the action of inertial forces and the gravity forces. Suspended fine particles of water inoculated on the plates of the baffle and reflector, attached to their conical-cylindrical surface, deepen, and become larger in drops under the action of forces of molecular attraction, drain them HV is atrat energy on his work.Tank separator is used as a consumable to start the diesel engine ostendam fuel. Start diesel made at open valves 41, 42, 43 of the inertial separator fuel.After starting the diesel engine with water supply replacement fuel tank valves 43, 41 are closed. For automated diesels from the Central position of the valves 41, 43 are gidroelektroproekt with remote control and automatic closing.Shut-off fuel from the injectors diesel fuel from ventilation during pressure tests of the fuel and ballast tanks, waste fuel at the separation and leaks from diesel going in the tank waste fuel 11, which is equipped with sensors top 60 and the bottom 61 of the levels.Maintenance features of the fuel system in a submerged position of the boat.When diving remotely close the valves 29, 30, then manually receiving and spending the Kingston valves 20, 21 and 22. The kingstons substitution 18, 19 and pressure equalizing 17 should be opened.The ventilation valve of the inner tank 45 and the valves 47, 48 of the tank waste fuel open.Thus, significantly improved the organization of preparation of fuel aboard lshade (series flow), pass fuel through an inertial separator and final processing in filters for coarse and fine cleaning of diesel installation.To ensure the best possible settling, separation, filtration, quality spraying fuel injectors, better combustion in the cylinders of the diesel fuel prior to delivering it to the consumer to reduce the viscosity of the fuel to a temperature of 20-50oC, which is especially important when operating the diesel plants in the winter and in the Northern latitudes due to its rapid cooling and solidification in CBC.Improved fuel preparation prevents ingress of water and mechanical impurities in the fuel system, improves its reliability, efficiency and resource, reduces the likelihood of failures, reduces carbonization and the wear of the cylinder group of the diesel engine, and the use of the inertial separator with automatic removal of sump water and mechanical impurities allowed to refuse the setting of expendable fuel tanks that require regular maintenance.Fuel system rationally linked together with automatic control systems, control and alarm systems.Construction, cleaning and assembling their forces personnel. 1. The fuel system of the submarine, including the exterior of the fuel tank, a device for sludge and fuel on diesel with the pipeline draining the sludge in the tank waste fuel placed in the diesel compartment, receiving supplies pipe and a fuel line connecting the exterior of the fuel tank through the device for sludge and fuel with diesel engine, characterized in that the device for sludge and fuel on diesel made in the form of the inertial separator is continuous, has a sensor section of environments and valve with automatic control system, placed on the pipe draining the sludge, while the exterior of the fuel tank is made elongated in height to ensure backwater fuel separator and diesel.2. The system under item 1, characterized in that the fuel line to the diesel set-up for heating fuel.3. The system under item 1, characterized in that the exterior of the fuel tank are connected to each other.
SUBSTANCE: invention relates to device for feeding fuel in power plant of a ship carrying liquefied gas from ship liquefied gas tank. Ship comprises at least one liquefied gas tank 2 and onboard power plant, and device to feed fuel into said power plant. Proposed device comprises pump 20, vessel 23, injector 12 and fluid line. Said pump is mounted on vessel bottom. Container is arranged in vessel around the pump to support immersed pump. Aforesaid fluid ejector is arranged inside said vessel to suck off liquefied gas from its bottom. Fluid line (21, 22, 24, 250) communicates pump outlet with injector inlet on one side and, on the other side, it communicates injector outlet with vessel.
EFFECT: reduced risks of pump outage or damage.
10 cl, 3 dwg
FIELD: power engineering.
SUBSTANCE: heat exchange complex of a steam turbine plant comprises a system of main condenser cooling, which comprises the following components serially connected with a cooling pipeline: an ice box, a circulating pump, the main condenser and a drain box, and also a condensate system comprising the main condenser, a condensate pump, a low-pressure feedwater heater and a deaerator, serially connected with a condensate pipeline, besides, the main condenser cooling system is arranged as closed and is equipped with an off-board heat exchanger installed in the ice box. Also the main condenser cooling system comprises a closed circuit of secondary coolant, which is equipped with a low-pressure feedwater heater of the condensate system.
EFFECT: invention makes it possible to increase energy efficiency of a vessel.
4 cl, 1 dwg
SUBSTANCE: invention relates to feed of fuel gas to power plants of tankers that carry compressed natural gas and use it as the main power carrier. This process consists in continuous use of, first of all, gas generated in cargo gas tanks as the main power carrier for tanker engines. Excess gas is compressed by compressor at low motion speeds and at stops. Said compressed gas is accumulated in high-pressure vessels (200 bar and higher) and its application when gas consumption exceeds its generation in cargo tanks.
EFFECT: higher efficiency of operation of said tankers.
7 cl, 1 dwg
SUBSTANCE: invention relates to submarines and concerns a submarine fuel system. Disclosed is a fuel system of a submarine including external fuel tanks, which are made in form of, for example, solids of revolution and are equipped with pipelines with displacement valves, wherein external tanks are arranged outside hull of submarine and are interconnected by wing-like cowling consisting of two side sections, wherein cowling in middle part is shaped out of submarine and pipelines of external tanks are arranged inside wing-like cowling, wherein on-board sections of cowling are interconnected and connected to housing of submarine by quick-release connections.
EFFECT: invention ensures reduction of volume of system when arrangement on submarine.
1 cl, 1 dwg
FIELD: gas industry.
SUBSTANCE: invention relates to systems for liquefied gas processing and can be used on ships. Liquefied gas processing system for ship includes the main supply line of the boil-off gas (BOG) configured to be able to compress the BOG created in the cargo tank by the compressor and to feed it into the main engine as fuel. Auxiliary BOG supply line can compress the BOG created in the cargo tank by the compressor and feed the compressed BOG to the auxiliary engine as fuel. Main LNG supply line is configured to compress the LNG stored in the cargo tank by the pump and to supply the compressed LNG to the main engine as fuel. Auxiliary LNG supply line is configured to compress the LNG stored in the cargo tank by the pump and to supply the compressed LNG to the auxiliary engine as fuel.
EFFECT: possibility of efficient use of liquefied gas is achieved.
13 cl, 13 dwg
SUBSTANCE: invention relates to ship power plants and can be used for supply of fuel gas. Ship fuel gas supply system comprises engine, creating propulsion force, using fuel gas. Fuel gas, intended for supply into engine, is stored in fuel gas reservoir. Engine is installed in engine room, located at ship’s aft. Fuel gas reservoir is arranged in ship longitudinal direction.
EFFECT: enabling possibility of ship space efficient use with minimum length of fuel gas supply line.
30 cl, 5 dwg
SUBSTANCE: ship includes the liquefied gas storage tank and the medium pressure gas engine, that uses the liquefied gas stored in the storage tank as the fuel. In addition, the ship also includes a system and method for processing the evaporating gas (BOG), in which the BOG leaves the storage tank and it is compressed. Most part of the BOG is used as the fuel for the ship engines, and the part of the other BOG is liquefied by the BOG cold energy, that has just left the storage tank and returns to the storage tank.
EFFECT: effective use of the evaporating gas on the ship.
20 cl, 6 dwg
FIELD: engine devices and pumps.
SUBSTANCE: device for feeding fuel to a ship engine comprises a high-pressure pump generating higher pressure of liquefied natural gas (LNG) and feeding the LNG under pressure to the engine; a hydraulic motor driving the high-pressure pump; and a lubricating pump supplying lubricating oil to the high-pressure pump.
EFFECT: simplification of fuel feed device in ship engine and possibility of fuel feed device installation next to the engine without applying the partition walls.
17 cl, 10 dwg
FIELD: machine engineering.
SUBSTANCE: stripping gas processing system includes a compressor 100 compressing the stripping gas which is generated in tank T for storing liquefied natural gas of a ship or floating structure, a heat exchanger 200 that cools the stripping gas compressed by the compressor 100 by means of heat exchange with stripping gas supplied to the compressor 100, an expansion device 300 which performs adiabatic expansion of the stripping gas, a gas-liquid separator 400 which performs gas/liquid separation of the stripping gas and supplying liquefied natural gas to the tank T. The system also includes a bypass line, through which stripping gas subjected to adiabatic expansion is fed from downstream position from the device 300 to downstream position from the separator 400.
EFFECT: providing efficient processing of the stripping gas.
9 cl, 7 dwg