181results about "Liquid fuel feeder/distribution" patented technology

The invention belongs to the field of boiler waste heat utilization, and particularly discloses an alcohol-hydrogen fuel mixed combustion system utilizing boiler waste heat, which comprises a methanol cracker unit, a methanol supply unit, a methanol cracked gas supply unit, an alcohol-hydrogen burner unit and a smoke exhaust steam supply unit, the methanol cracker unit comprises a methanol cracker, a methanol inlet pipe, a cracked gas outlet pipe, a smoke exhaust inlet flange, a smoke exhaust outlet flange, a methanol shell side area and a smoke exhaust pipe side area, a plurality of heat exchange pipes are uniformly distributed in the smoke exhaust pipe side area, and the methanol inlet pipe is used for connecting the methanol supply unit and the methanol shell side area; the exhaust smoke inlet flange is used for connecting the methanol cracker unit and the exhaust smoke steam supply unit, and the methanol supply unit and the methanol cracked gas supply unit are both used for connecting the methanol hydrogen burner unit and the methanol cracker unit. By means of the self-designed methanol cracker combustion loop, liquid methanol and methanol cracking gas can be combusted at the same time, and the energy utilization rate is greatly increased.

An oxygen removal system (10) for removing dissolved oxygen from fuel within a fuel system includes a first housing (20), a second housing (22), a membrane filter (80), a piston assembly (26), and an outlet cap (28). The first housing (20) extends along a first axis (40) between a first housing first end (42) and a first housing second end (44). The second housing (22) is disposed about the first housing (20). The membrane filter (80) is disposed between the first housing (20) and the second housing (22). The piston assembly (26) has a piston housing (100) that is disposed about the second housing (22). The piston assembly (26) is arranged to generate a vacuum to remove a fluid from the membrane filter (80).

To provide an ammonia thermal dissolution device which can effectively dissolute an ammonia to hydrogen and nitrogen in order to use the ammonia as the fuel of an industrial furnace burner, and can suppress the discharge of a nitrogen oxide.SOLUTION: The ammonia thermal dissolution device is a device which is disposed at a prescribed portion of a first piping 11 to which the ammonia is supplied in an industrial furnace 1 for combusting a gas ammonia which is supplied to a burner 10 together with combustion air by a flame F from the burner 10 and comprises: a heating part 100 for heating the ammonia which passes through the inside of first piping 11; liquid ammonia piping 70 inserted into an end part of the heating part 100 to supply a liquid ammonia, and having an inner diameter smaller than the first piping 11; an injection nozzle 80 disposed at a tip of the liquid ammonia piping 70 which is inserted into the heating part 100; and a compression part 200 disposed at this side of the heating part 100 of the liquid ammonia piping 70, and compressing the liquid ammonia in the liquid ammonia piping 70.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of alcohol-based fuel, in particular to an alcohol-based fuel supply device with uniform supply, which comprises a base plate, a liquid storage tank is fixedly mounted at the top of the base plate, a protective shell is arranged on the outer side of the liquid storage tank, and a fixed box is fixedly connected to the right side of the protective shell. A liquid conveying pump is installed on the right side of the top of the base plate through bolts, a liquid outlet pipe of the liquid conveying pump penetrates through the top of the fixing box and communicates with a connecting hose, an electric adjusting valve and a flow sensor are installed on the surface of the liquid outlet pipe of the liquid conveying pump, and a liquid injection pipe communicates with the rear side of the top of the liquid storage box in a welded mode. Liquid in the liquid storage tank is pumped out through the liquid conveying pump and conveyed and supplied through the connecting hose, the conveying flow of the liquid is monitored in real time through the flow sensor, the opening degree of the electric adjusting valve can be accurately adjusted through the flow numerical value, in this way, the liquid flow can be accurately controlled, uniform feeding is achieved, and the combustion quality is guaranteed.

The utility model provides a thermal medium boiler fuel oil supply pressure compensation device which comprises a pressure compensation tank, a liquid inlet and a liquid outlet are formed in the lower portion of the pressure compensation tank, a backflow port is formed in the upper portion of the pressure compensation tank, a liquid inlet pipe is connected to the liquid inlet, the other end of the liquid inlet pipe is connected to a diesel oil tank, and a first liquid guide pipe is connected to the liquid outlet. A fuel oil pump is connected to the first liquid guide pipe, the other end of the first liquid guide pipe is connected with a second liquid guide pipe and a backflow pipe, the other end of the second liquid guide pipe is connected to the boiler combustion chamber, and the other end of the backflow pipe is connected to the backflow opening. The utility model has the beneficial effects that the pressure compensation tank can ensure the inlet pressure of the fuel oil pump and the small pressure fluctuation of the outlet of the fuel oil pump, thereby ensuring the smooth operation of the boiler; in addition, redundant fuel oil at an outlet of the fuel oil pump enters the pressure compensation tank through the oil return pipe to be reused, and stable operation of the whole fuel oil supply pressure compensation device is guaranteed.

To suppress generation of NOx while stably burning ammonia.SOLUTION: A fuel supply facility includes: a main ammonia line in which liquid ammonia flows; a vaporizer connected to an end of the main ammonia line and heating and vaporizing the liquid ammonia by exchanging heat between a heating medium and the liquid ammonia; a gas ammonia line connected to the vaporizer and guiding gas ammonia that is ammonia vaporized by the vaporizer to a combustor of a gas turbine as fuel; a liquid ammonia line for guiding the liquid ammonia that has not undergone heat exchange with the heating medium in the vaporizer to the combustor as fuel; and a switching device capable of switching an ammonia supply state between a first state of guiding the gas ammonia from the gas ammonia line to the combustor and a second state of guiding the liquid ammonia from the liquid ammonia line to the combustor.SELECTED DRAWING: Figure 1

The utility model discloses a cremation machine combustion control structure which comprises a burner, an oil inlet assembly, an air inlet assembly, a filtering assembly, a cleaning assembly and a moving assembly, the oil inlet assembly comprises an oil inlet pipe arranged at the oil inlet end of the burner, a control piece is arranged in the middle of the oil inlet pipe, the air inlet assembly is arranged on one side of the burner, and the filtering assembly is arranged on the other side of the burner. The filtering assembly comprises a fixing frame arranged in the middle of the oil inlet pipe, a filter screen is connected into the fixing frame in a penetrating mode, the cleaning assembly is arranged on one side of the filter screen and used for cleaning the filter screen, and the moving assembly is arranged on one side of the filter screen. Through the design of the cleaning assembly and the moving assembly, when the filter screen is blocked by impurities in oil, the cleaning assembly is driven by the moving assembly to move on one side of the filter screen, and the filter screen is cleaned through the cleaning assembly, so that the impurities are separated from the filter screen, and the oil passing of the filter screen can be recovered without disassembling the filter assembly; therefore, the workload of workers is reduced.

The invention provides a plate-type hydrogen production reactor integrating pin-fin flow-equalizing combustion and perforated plate partition reforming, and belongs to the technical field of fuel cells and distributed hydrogen supply systems. The reactor sequentially comprises a combustion chamber, a reforming chamber, a combustion chamber, an evaporation chamber and a combustion smoke collecting chamber from top to bottom, the combustion chamber and the evaporation chamber adopt transverse snake-shaped runners, pin-fin structures for enhancing heat transfer and turbulent flow are arranged on the surfaces of runner plates, the combustion chamber realizes left-right shunting through a middle partition plate, pin-fins are non-uniformly distributed with dense middle parts and sparse two ends, and the density of the pin-fins in the evaporation chamber is uniformly distributed; the structure of the combustion smoke collecting chamber is consistent with that of the evaporation chamber; the reforming chamber adopts vertical snakelike runners which are symmetrically distributed left and right, and a perforated plate is arranged in the middle of the runner in the depth direction. Through non-uniform distribution of the pin fins, partitioned catalysis of the porous plates and compact plate type laminated design, the mixing and reaction efficiency of reactants is remarkably improved, and the reactor has the advantages of compact structure, high hydrogen production rate and suitability for integrated application.

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 invention relates to the technical field of power generation, and provides an ammonia gasification and preheating system of an ammonia-doped boiler, which comprises a liquid ammonia supply unit, an ammonia gasification unit and an ammonia preheating unit, the liquid ammonia supply unit is used for providing liquid ammonia and adjusting the pressure of the liquid ammonia; the ammonia gasification unit comprises an ammonia gasifier, an inlet of the ammonia gasifier is connected with an outlet of the liquid ammonia supply unit, and the ammonia gasifier is configured to gasify liquid ammonia into ammonia by taking dead steam of a steam turbine as a heat source and recover condensed water; the ammonia preheating unit comprises an air pre-heater and an ammonia pre-heater arranged behind the air pre-heater; the ammonia pre-heater is used for heating ammonia gas from the ammonia gasification unit by utilizing flue gas at an outlet of the air pre-heater; and the preheated ammonia gas is conveyed to a combustor of the boiler. According to the scheme, the using amount of circulating water of the condenser and water supplementing loss are reduced, the investment of the cooling tower is reduced, meanwhile, the combustion stability of ammonia entering the boiler is improved, and fuel consumption is reduced.

A fuel system can include a first fuel circuit, a second fuel circuit, and an inert gas purge system operatively connected to both the first fuel circuit and the second fuel circuit to purge at least a portion of either or both of the first and / or second fuel circuit. The first fuel can be a liquid fuel and the second fuel can be a gaseous fuel. The first fuel circuit can include a first fuel manifold configured to fluidly communicate a first fuel supply with at least one dual fuel nozzles downstream of the first fuel manifold.

The present invention relates to a method for thermally treating a mineral material in the cement, lime, residue and / or raw material industry for processing mineral raw materials, with ammonia being used as the main fuel, and the main fuel providing more than 50% of the thermal energy generated by combustion.

The fuel preheater 10 comprises a first mixer 1, which is provided in a fuel supply line L1 connected to a combustion unit 100 that burns fuel comprising ammonia, wherein the fuel supply line L1 supplies ammonia to the first mixer 1, the first mixer 1 being connected to an oxidizer supply line L2 which supplies an oxidizer, and mixing the ammonia flowing in the fuel supply line L1 with the oxidizer from the oxidizer supply line L2 to produce a mixed gas, and a reactor 2, which is provided downstream of the first mixer 1 in the fuel supply line L1, wherein the reactor 2 comprises a catalyst which promotes a reaction of the ammonia and which causes an exothermic reaction, wherein the catalyst causes the exothermic reaction with at least a portion of the ammonia in the mixed gas supplied by the first mixer 1, and the Mixed gas heated.

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.

To suppress an increase in cost and an increase in energy consumption of a hydrogen boiler system.SOLUTION: The hydrogen boiler system 1 includes a reaction tower 3 storing an aromatic compound capable of storing and releasing hydrogen Fg, a water supply tank 4 storing water, and a hydrogen boiler 5 burning the hydrogen Fg supplied from the reaction tower 3 to obtain water supply from the water supply tank 4. A control device 10 of a hydrogen boiler system 1 supplies water from a water supply tank 4 to a reaction tower 3 in storing hydrogen Fg, and supplies high temperature fluid from the hydrogen boiler 5 to the reaction tower 3 in discharging the hydrogen Fg.SELECTED DRAWING: Figure 1

A fuel supply component (101, 110) with coking mitigation includes a housing (105) having a main fuel inlet (125) and a main fuel outlet (127). The main fuel inlet and outlet define a main fuel flow path therebetween. The housing includes a de-oxygenated fuel inlet (116) in fluid communication with the main fuel flow path downstream from the main fuel inlet. The de-oxygenated fuel inlet is configured and adapted to supply de-oxygenated fuel to the main fuel flow path to mitigate insoluble fuel elements from diffusing and adhering to a wall of the housing.

A system and method for providing primary reliability of a primary fuel manifold by providing metered fuel from a secondary fuel metering system when a primary fuel metering system fails is provided. The system utilizes a switching electro-hydraulic servo valve (EHSV), an emission selector valve (DSV) coupled to the EHSV, and a pair of throttle valves located between a secondary fuel metering system and primary and secondary fuel manifolds. The DSV has a multi-shoulder piston that switches a control pressure and a shut-off pressure between a pair of throttle valves to switch a supply of metered fuel of a secondary fuel metering system from a secondary fuel manifold to a primary fuel manifold. The output pressurization valve of the failed main fuel metering system is also closed to isolate the failed main fuel metering system from the main fuel manifold.

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, the use device can be attached to a cement production facility comprising: a calcination furnace; a cement kiln; and a clinker cooler which is coupled to a part in front of a furnace of the cement kiln. The use device comprises: a tank storing the liquefied combustible gas in a liquid state; and a combustible gas pipeline which communicates the clinker cooler with a blowing part which is provided on at least one part belonging to a group formed of a calcination furnace extraction pipeline through which an extraction gas extracted from the clinker cooler is distributed to the calcination furnace. The combustible gas pipeline supplies the liquefied combustible gas or, the combustible gas obtained by being gasified during circulation of the liquefied combustible gas to the blowing part.SELECTED DRAWING: Figure 3

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 fuel oxygen reduction unit for an engine is provided. The fuel oxygen reduction unit includes an inlet fuel line; a stripping gas source; a contactor selectively in fluid communication with the stripping gas source, the inlet fuel line, or both to form a fuel / gas mixture; and a separator that receives the fuel / gas mixture, the separator configured to separate the fuel / gas mixture into an outlet stripping gas flow and an outlet fuel flow; wherein a flow of stripping gas passes through the fuel oxygen reduction unit a single time.

The invention relates to a vaporizer (1) for a combustion tool (10). The vaporizer (1) comprises an inlet (2), an outlet (3), a first pressure regulator (4) fluidly connected to the inlet (2), a second pressure regulator (5) fluidly connected to the outlet (3), and an evaporator (6) fluidly connected between the first pressure regulator (4) and the second pressure regulator (5). The vaporizer (1) is configured to receive, during use, liquid and / or gaseous fuel from a fuel cartridge (11) of the combustion tool (10) at the inlet (2), such that it passes through the first pressure regulator (4), then through the evaporator (6), and then through the second pressure regulator (5) so that the gaseous fuel is delivered through the outlet (3) at a substantially constant pressure.

A fuel supply system according to the present invention is a fuel supply system that vaporizes mixed-fuel to be supplied to a power generation system, and includes a condenser that condenses steam transferred from a turbine of the power generation system, a storage tank in which the mixed-fuel is liquefied and stored, a vaporizer that vaporizes the mixed-fuel transferred from the storage tank, and a first line that passes through the condenser and the vaporizer, wherein heat exchange water is transferred via the first line and heated by the condenser, and the vaporizer vaporizes the mixed-fuel with the heat exchange water heated by the condenser, and supplies the mixed-fuel vaporized by the vaporizer to the power generation system.

The present application belongs to the technical field of afterburner fuel flow regulation, and relates to a self-adaptive fuel flow regulation device for a multi-hole self-excited sweeping fuel injection rod, comprising a nozzle connecting part and a flow sensing and regulating part. The nozzle connecting part comprises a fixed fuel baffle, a top connecting strip, a bottom connecting strip and a side connecting strip. The fixed fuel baffle is an arc-shaped long strip plate body, and a concave elastic groove is arranged on one side of the long strip plate body. The flow sensing and regulating part is rotatably installed in the concave elastic groove. The flow sensing and regulating part comprises a long strip-shaped movable fuel baffle, and an inside flow sensing tab and an outside flow sensing tab are welded on the inside and outside of the movable fuel baffle. When fuel flows through the self-adaptive fuel flow regulation device, a pressure difference is generated on both sides, which drives the movable fuel baffle to move inward, and the fuel flow size of the corresponding fuel injection hole is self-adaptively regulated, so that the fuel flow uniformity of each fuel injection hole is ensured, the fuel atomization degree is ensured, and the combustion efficiency of the afterburner is finally improved.

The application provides a kind of anti-blocking lance for laboratory waste liquid treatment, which has a three-channel structure, including waste liquid channel (1), air channel (2), cooling channel (3); the first nozzle of waste liquid channel (1) is placed in air channel (2); and flush with the end of the second nozzle arranged in air channel (2); air channel (1) is connected to air, and is sprayed out through the second nozzle, mixed with the waste liquid sprayed out by the first nozzle in waste liquid channel (2); cooling channel (3) is placed outside air channel (2), and the medium inlet is arranged at the position close to the hearth in cooling channel (3), and the medium outlet is arranged at the position away from the hearth; the cooling medium enters from the medium inlet close to the hearth, and comes out from the medium outlet away from the hearth. The lance of the application can prevent the particles in the waste liquid from precipitating and blocking the lance.

The invention relates to the technical field of ammonia-hydrogen dual-fuel rotational flow jet flow devices, in particular to an ammonia-hydrogen dual-fuel rotational flow jet flow device backflow pipe connector which comprises a first pipe body, second pipe bodies connected to the two sides of the first pipe body and a third pipe body connected to the bottom end of the first pipe body. The second pipe body is sleeved with the installation pipe part, the end, close to the first pipe body, of the installation pipe part has a first outer diameter, the other end of the installation pipe part has a second outer diameter, and the first outer diameter is larger than the second outer diameter; the expanding and supporting mechanism is connected to the end, away from the first pipe body, of the second pipe body; the expanding and supporting mechanism comprises a plurality of supporting plates, and the supporting plates are rotationally connected to the tail end of the second pipe body through torsional elastic pieces. The rubber return pipe is provided with the opening mechanism, the opening mechanism can form a buffer area at the opening end of the second pipe body through diameter expansion, then the occurrence of partial cavitation on the oil inlet side of the return pipe connector is reduced, meanwhile, a space is provided for cavitation collapse on the oil outlet side through the buffer area, and the situation that the inner wall of the rubber return pipe is damaged by cavitation collapse is avoided.

The invention relates to the technical field of biomass energy utilization, and discloses a biomass liquid fuel pulsating atomization intelligent regulation and control system which comprises an oil supply system, a gas supply system and an intelligent regulation and control atomization system, the oil supply system is used for preheating biodiesel and conveying the biodiesel to the intelligent regulation and control atomization system, and the gas supply system is used for supplying gas to the intelligent regulation and control atomization system; the gas supply system is used for providing primary and secondary atomization gas media, and the intelligent regulation and control atomization system controls the atomization process by compiling a pulsation regulation and control function. The system can effectively regulate and control atomization of biomass liquid fuel, pulsating fuel oil is impacted and broken with pulsating air after being sprayed out, gas-liquid shearing force is formed due to the large speed difference between gas and liquid drops, the liquid drops continue to be broken, the advantages that the particle size of the broken liquid drops is small, and the liquid drops are evenly distributed are achieved, the atomization effect of a nozzle is improved, and the atomization effect of the nozzle is improved. On the basis that the structure of the atomizer is not changed, pulsation is generated through interaction of the atomizing medium and the atomizing working medium.

To provide a burner which can use a power-accumulation type power supply device which is easy in portability.SOLUTION: A voltage application to a heater 12 is suppressed up until a detection temperature of evaporation part temperature detection means 17 reaches a preset prescribed temperature after starting electricity-carrying to the heater 12, and when the detection temperature of the evaporation part temperature detection means 17 reaches the preset prescribed temperature, the suppression of the voltage application to the heater 12 is loosened, and thereby, an abrupt increase of power consumption can be prevented by suppressing an inrush current by applying a voltage up until a temperature of the heater 12 is raised and reaches a prescribed temperature, thus allowing a use of the power-accumulation type power supply device which is small in output power. When the temperature of the evaporation part 13 is raised and reaches the prescribed temperature, a resistance value of the heater 12 is sufficiently raised, the power consumption is not abruptly increased even if loosening the suppression of the voltage application, a temperature rise after reaching the prescribed temperature is accelerated, and a time up to a start of combustion can be shortened.SELECTED DRAWING: Figure 4

The utility model particularly relates to the technical field of combustors, and discloses an anti-blocking combustor nozzle which comprises a workbench sleeve, a flow dividing assembly, a limiting hoop and a flow dividing cover, the flow dividing cover is connected to the end of the sleeve in a threaded mode, a first notch is formed in one end of the sleeve, a second notch is formed in the inner side wall of the first notch, and the second notch is connected with the limiting hoop. The flow dividing assembly comprises a separation seat movably connected to the side wall of the separation seat, a plurality of first hole grooves are formed in the side wall of the separation seat, a sliding block is fixedly arranged at the end of the separation seat, a limiting pipe is connected to the middle of the other end of the sliding block in an inserted mode, and a spring is wound on the outer surface of the limiting pipe. By arranging the sleeve, the flow dividing assembly, the limiting hoop and the flow dividing cover, the flow dividing assembly comprises the separation base, the sliding block and the limiting pipe which are movably connected into the second notch, the elastic force of the spring acts on the side wall of the sliding block to assist the separation base to contract, and therefore the first hole groove is sealed to avoid blockage, and the use stability of the nozzle is improved.