20results about "Liquid fuel feeder/distribution" patented technology

To provide a use device of a liquefied combustible gas capable of easily and inexpensively gasifying a liquefied combustible gas especially in a cement production facility.SOLUTION: There is provided a use device of a liquefied combustible gas comprising a combustible gas pipeline which communicates: a tank which is attached to a cement production facility comprising a calcination furnace, a cement kiln, and a clinker cooler coupled to a part in front of a furnace of the cement kiln, and stores the liquefied combustible gas in a liquid state; and a blowing part which is set on at least one position belonging to a group formed of a part in front of the furnace of the cement kiln, a tail part of the furnace of the cement kiln, and the calcination furnace, through one or both of the clinker cooler, and inside of a gas extraction pipeline in which the extraction gas extracted from the clinker cooler circulates. The combustible gas pipeline gasifies the liquefied combustible gas in the liquid state during circulation in the combustible gas pipeline, and then, supplies the combustible gas obtained by gasifying the liquefied combustible gas to the blowing part.SELECTED DRAWING: Figure 3

The application relates to a solid oxide co-electrolysis driven carbon cycle liquid fuel preparation system, which comprises a solid oxide electrolysis device configured to produce synthetic gas; a Fischer-Tropsch device in pipeline communication with the solid oxide electrolysis device; a multi-component separator in pipeline communication with the Fischer-Tropsch device; a feeding device in pipeline communication with the multi-component separator; and a combustion device in pipeline communication with the multi-component separator and the Fischer-Tropsch device. Hydrogen and the like can be sent into the feeding device to form gas raw material supplement and recycling, carbon monoxide and hydrogen can also be sent into the combustion device to generate high-temperature combustion products, the high-temperature combustion products are transported to the solid oxide electrolysis device, the gas raw material can be heated, high-temperature heat recovery is realized, and a high-grade heat source is provided for the solid oxide electrolysis device; therefore, the energy utilization efficiency of the system and the yield of the synthetic liquid fuel are remarkably improved.

The invention relates to the combustion chamber system of gas turbine engines used in aerospace propulsion systems. The partially premixed combustion chamber system according to the invention comprises a main jet (1) in the form of a circular cross-sectional tube through which fuel is conveyed, and a secondary jet (2) in the form of a circular cross-sectional tube surrounding the main jet (1), a cylindrical axial swirler (3) placed between the main jet (1) and the secondary jet (2) and containing swirler blades (4) which provide tangential velocity gain by directing the flow, a bluff body (8) in the form of a truncated cone, the upper surface of which is connected to the main jet (1), the lateral surface of which is inside the secondary jet (2), and 16 elliptical, radial injection holes (7) located on the lateral surface of the bluff body (8), placed in the centre of the cone at 22.5° intervals, located alternately one close to the upper surface and one close to the lower surface.

A method for promoting the combustion of a combustible material, improving the power output of a combustion device and prolonging the service life of the combustion device by adding an alkali metal element and / or an alkaline earth metal element into the combustible material, relating to the technical field of combustion supporting. The method is applicable to various combustible materials and various combustion devices. A combustion device, and a fuel for promoting the combustion of a combustible material, improving the power output of a combustion device and prolonging the service life of the combustion device, respectively comprising a combustion device, and a fuel for nuclear fusion and nuclear fission. The method can enable all kinds of combustion devices to be reliably started and efficiently and safely work in any environment.

A combustor, including: a catalyst bed portion supporting a catalyst capable of promoting a combustion reaction of fuel; a vaporizer which is arranged on the downstream side of the catalyst bed portion with respect to a flow of the fuel going through the catalyst bed portion and is configured to be able to use a combustion gas generated from the combustion reaction as a hot fluid; a manifold portion which is outside the catalyst bed portion and guides air in a direction opposite to the flow of the fuel going through the catalyst bed portion and has a wall portion on which a sidewall of the vaporizer is projected; and a fuel introducing portion configured to penetrate the wall portion of the manifold portion so that the fuel evaporated by the vaporizer can be introduced into the manifold portion.

A combustor includes a combustion liner that defines a combustion chamber. The combustor further includes a fluid supply line for providing a fluid to the combustion chamber. The combustor further includes a filter disposed in fluid communication with the fluid supply line for removing particulates from the fluid. The filter extends along a center axis from a forward end to an aft end. The filter includes a base flange defining an open base at the forward end, a downstream segment defining the aft end, and a filter screen extending between the base flange and the downstream segment. The filter screen defines an interior and a plurality of apertures having a non-circular shape sized to permit the fluid to pass from the interior of the filter and prevent particulates from passing from the interior.

This invention discloses a fuel atomization system suitable for the combustion chamber of a regenerative micro gas turbine, comprising: a T-shaped evaporator, a swirling oil-gas duct, a coaxial atomizing nozzle, an air intake pipe, and a fuel line protection sleeve; the T-shaped evaporator, the swirling oil-gas duct, and the coaxial atomizing nozzle are arranged coaxially, the air intake pipe is eccentrically connected to the side wall of the coaxial atomizing nozzle and can introduce high-pressure gas from the section before the regenerator after the compressor, the initially atomized mixed oil and gas enters the swirling oil-gas duct for further atomization and then evaporates and is ejected through the T-shaped evaporator, the fuel line protection sleeve is coaxially arranged on the outside of the swirling oil-gas duct and the coaxial atomizing nozzle and can avoid the direct impact of high-temperature backflow gas on the coaxial atomizing nozzle. This invention can significantly optimize fuel atomization quality, shorten the combustion chamber length, improve combustion efficiency, and improve the uniformity of combustion chamber outlet temperature distribution by adding a coaxial atomizing nozzle and an air intake pipe upstream of the traditional evaporator.

The application discloses a kind of top-blown converter heat preservation and atmosphere adjusting multifunctional device and its control method, it includes: multifunctional device ontology, the inside of multifunctional device ontology is equipped with over liquid cavity and over gas cavity, over liquid cavity and over gas cavity one end are all communicated to the head of multifunctional device ontology, and the other end of over liquid cavity and over gas cavity is respectively communicated to the tail of multifunctional device ontology;Liquid fuel supply pipe is connected to the tail of multifunctional device ontology and communicated with the other end of over liquid cavity, and liquid fuel supply pipe is connected with fuel solenoid valve and can control the supply of fuel and stove state;Gas supply pipe group is connected to the tail of multifunctional device ontology and communicated with the other end of over gas cavity, and gas supply pipe group is connected with the oxygen source and / or compressed gas source outside, for oxygen-enriched air make-up in smelting process in stove, the application can stove and oxygen-enriched air make-up to top-blown converter, when using, can reduce make-up amount, to reduce the heat loss in stove due to make-up, reach the purpose of energy saving.

This utility model relates to the field of shipbuilding and provides a high-temperature water-glycol heating system for LNG container ships. It includes a first heater, an input pipe, and an input pump. The heat exchange medium channel of the first heater is connected to a high-temperature hot water generating unit. A second heater is connected in parallel with the first heater, and the heat exchange medium channel of the second heater is connected to a steam pipe on the ship. Utilizing the heat carried out by the circulating cooling water in the main engine cylinder liner of the container ship, the first heater heats the water-glycol. After heating, the circulating water temperature decreases and is cooled before returning to the cylinder liner for recirculation. This system utilizes waste heat while cooling the circulating water, reducing the load on the heat exchanger. The second heater, heated by steam, serves as a backup heating method, thus economically utilizing the ship's waste heat, effectively reducing energy and fuel consumption, and lowering maintenance costs.

A system and method of providing prime reliability of a primary fuel manifold upon failure of a primary fuel metering system by providing metered fuel from a secondary fuel metering system are provided. The system utilizes a transfer electro-hydraulic servo valve (EHSV), a discharge select valve (DSV) coupled to the EHSV, and a pair of throttling valves positioned between secondary fuel metering system and the primary and secondary fuel manifolds. The DSV has a multi-land piston that switches a control pressure and a shutoff pressure between the pair of throttling valves to transfer the supply of metered fuel of the secondary fuel metering system from the secondary fuel manifold to the primary fuel manifold. The output pressurizing valve of the failed primary fuel metering system is also closed to isolate the failed primary fuel metering system from the primary fuel manifold.

Systems and methods for remotely monitoring the amount of fuel in one or more fuel tanks are disclosed. A fuel monitoring device includes a sensor configured to monitor the operation of a valve coupled to an output of a fuel tank and a network and communication system configured to receive data from the sensor related to the operation of the valve and establish communication with one or more remote systems via a communications network. The fuel monitoring device communicates the data related to the operation of the sensor to a remote server system via the communications network. Based on the data received from the fuel monitoring device and one or more remote systems, the remote server system can determine the amount of fuel remaining in the tank, and can predict when the tank will require additional fuel.

To provide an efficient system to filter and treat fuel for a power generation system.SOLUTION: A system and a method for treating and filtering liquid fuel in a container module are provided. This approach involves flowing the liquid fuel from a raw fuel tank and a clean fuel tank along a treatment flow path of a tank drain treatment system in order to remove water, particulates and biological contaminants from the liquid fuel. The liquid fuel also flows along a supply flow path to a gas turbine engine. In particular, the supply flow path includes separators and filters, which are distinct from those within the tank drank treatment system, and forwarding pumps. By treating the liquid fuel via an integrated system, the container module's fuel treatment system provides ease in installation, minimizes the amount of space used, and reduces cost.SELECTED DRAWING: Figure 1

This invention discloses a system for the integrated utilization of liquid oxygen and liquid methane, comprising a liquid oxygen component, a liquid methane component, a combustion energy component, a second heat exchanger, an oxygen storage tank component, a methane storage tank component, and a CO2 storage tank component. The inlet end of the combustion energy component is connected to the liquid oxygen component and the liquid methane component. CO2 generated after the liquid oxygen and liquid methane are mixed and combusted in the combustion energy component is input to the inlet end of the second heat exchanger via a pipeline. The liquid oxygen component and the liquid methane component are also connected to the inlet end of the second heat exchanger, and the outlet end of the second heat exchanger is connected to the oxygen storage tank component, the methane storage tank component, and the liquid CO2 storage tank component, respectively. This invention also discloses a method for using the integrated utilization system of liquid oxygen and liquid methane. The beneficial effects of this invention are: carbon capture and zero emissions are achieved; the system has multiple products, high comprehensive utilization rate, and good economic benefits.

OBJECT To provide an industrial furnace that burns ammonia efficiently while decreasing nitrogen oxides. MEANS OF REALIZING THE OBJECT An industrial furnace 1 burns ammonia using flame F, emitted by a burner 10. Ammonia is supplied to the burner 10 alongside of combustion air and fuel gas. Injection nozzles 21, 22, 23, 24 for ammonia each have a shape of a tube. The injection nozzles 21, 22, 23, 24 for ammonia are provided on a wall surface of a furnace body 2 and pierce the wall surface. The injection nozzles 21, 22, 23, 24 for ammonia each have a top end that protrudes toward the interior of the furnace body 2 from the wall surface. The injection nozzles 21, 22, 23, 24 for ammonia are used to inject ammonia exclusively. In addition, the injection nozzles 21, 22, 23, 24 for ammonia are entirely formed from a catalyst C that decomposes ammonia into hydrogen and nitrogen.

The utility model relates to the technical field of liquid fuel equipment, in particular to an alcohol-based fuel feeding system which comprises a storage tank and a control box, a transfer box, a delivery pump and a controller are arranged in the control box, the storage tank is connected with an inlet of the transfer box through a feeding pipe, an outlet of the transfer box is connected with a combustion end through a discharging pipe, and the delivery pump is arranged on the feeding pipe. And the conveying pump is electrically connected with the controller. The transfer box is arranged in the control box to serve as a buffer area, when the requirement of the combustion end for fuel is suddenly increased, the transfer box can rapidly provide the fuel for the combustion end, and the situation that flames are unstable or flameout is caused due to the fact that the storage tank does not respond in time is avoided; stable supply of fuel is effectively guaranteed; the technical problem that fuel supply is unstable due to the fact that an existing alcohol-based fuel storage tank is directly connected with a combustion end for energy supply is solved.

The application provides a three-stage cyclone structure and an aero-engine, wherein a pressure atomizer (11) is arranged at the center of a first-stage cyclone (1); a Venturi tube (21) is arranged at the center of a second-stage cyclone (2), the Venturi tube (21) is sleeved on the outer ring of the pressure atomizer (11); a sleeve (31) is arranged at the center of a third-stage cyclone (3), the sleeve (31) is sleeved on the outer ring of the Venturi tube (21); a plurality of axial direct injection nozzles (32) are arranged on the third-stage cyclone (3) and surround the sleeve (31); a radial air inlet (33) is arranged on the outer ring of the third-stage cyclone (3) and is located at the outlet of the direct injection nozzle (32), so that the radial air inlet directly mixes with the axial fuel sprayed by the direct injection nozzle (32). Through the three-stage pre-combustion structure and the radial atomization technology, multi-stage atomization and cyclone can be realized, and the mixing uniformity of the fuel and the air is improved.

In the fuel supply system 9 of the gas turbine 1 using liquid fuel, the size of the pumps 11a and 11b is made as small as possible relative to the size of the gas turbine. [Solution] The liquid fuel supply system 9 of the gas turbine includes a first pump 11a that pumps the liquid fuel during the pressure spraying process of the liquid fuel until ignition of the combustion field BF, and a second pump 11b that pumps the liquid fuel during the air blasting process of the liquid fuel after ignition of the combustion field. The first and second pumps may each be diaphragm pumps.

This prevents ignition failures during startup of gas turbines using oil fuel. [Solution] This disclosure relates to a gas turbine system comprising a gas turbine having a fuel injection nozzle capable of injecting gaseous fuel or oil fuel into a combustion chamber. The gas turbine system comprises a gaseous fuel supply system capable of supplying gaseous fuel via a gaseous fuel supply line, an oil fuel supply system capable of supplying oil fuel via an oil fuel supply line, a purge air supply system capable of supplying purge air to the oil fuel supply line, and a purge air supply system control unit for controlling the purge air supply system. The purge air supply system control unit controls the purge air supply system so that purge air is supplied to the oil fuel supply line before starting up a gas turbine using oil fuel.

The application discloses an ammonia-coal decoupling combustion method and system based on liquid ammonia two-fluid atomization, and belongs to the technical field of combustion and boiler equipment. The method comprises the following steps: spraying primary air pulverized coal into a boiler through a pulverized coal primary air pipe, so that the pulverized coal is combusted in an outer region of a main combustion zone to form a pulverized coal combustion zone; liquid ammonia and carrier gas are simultaneously and respectively delivered to a two-fluid atomization nozzle through a liquid ammonia delivery system and a carrier gas delivery system, so that the two-fluid atomization nozzle sprays a high-speed flow of the carrier gas carrying the liquid ammonia and the high-speed flow of the carrier gas carrying the liquid ammonia penetrates through the pulverized coal combustion zone, high heat generated by the pulverized coal combustion is utilized to gasify the liquid ammonia into ammonia gas, and the ammonia gas reaches a central rich combustion zone of the main combustion zone to perform oxygen-deficient combustion. The application can realize decoupling combustion of ammonia and coal, has low cost, greatly reduces nitrogen oxide emission, and prevents corrosion of the ammonia on a furnace wall.

To provide a combustion device excellent both in convenience and energy conservation.SOLUTION: A combustion device 1 comprises a burner 2 burning fuel oil heated by a vaporization heater 2a, a controller 22, and a timer means 61 for carrying out off-timer operation of stopping energization of the vaporization heater 2a after the passage of a predetermined time after stopping the combustion of the burner 2. The controller 22 includes off-timer time setting means 62 of setting an off-timer time according to the frequency in use of the combustion device 1 in each of time zones obtained by dividing one day into a plurality of time zones. The controller 22 carries out off-timer operation at an off-timer time of a first time zone N1, provided that a first time zone N1 is a time zone to which the time of stopping the combustion of the burner 2 belongs.SELECTED DRAWING: Figure 3