363results about "Liquid fuel feeder/distribution" patented technology

The invention relates to the technical field of ship fuel oil inlet and outlet methods, in particular to a fuel oil supply balancing method for a ship fuel oil supply cabin and a fuel oil boiler burner, which is characterized by comprising the following steps of: (1) designing a fuel oil supply system which is provided with the fuel oil supply cabin and the fuel oil boiler burner; an oil supply unit is arranged between the fuel oil supply cabin and the oil burning boiler burner and comprises a fuel oil filter, a flow meter, an oil pump and an oil mixing barrel, and (2) the liquid level is set, oil is supplied, fuel oil is supplied with the pressure exceeding the pressure needed by the oil burning boiler burner, and the remaining fuel oil is discharged through an outlet of the oil burning boiler burner and enters the oil mixing barrel. The method has the advantages of simplicity, good oil supply effect, balanced oil supply, high safety performance and the like.

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.

The invention discloses a gas furnace fly ash co-processing method and system, and belongs to the technical field of solid waste disposal. The method comprises the following steps: S1, grinding raw coal and water to obtain coal water slurry; s2, mixing the coal water slurry and the fly ash to obtain mixed slurry; wherein the water content of the mixed slurry does not exceed 55%, and the wet basis heat value is greater than 2800kcal / kg, so that the mixed slurry can realize self-sustaining combustion after being fed into the furnace; s3, the mixed slurry enters a hearth to be combusted; and S4, high-temperature flue gas generated by combustion enters the next procedure for heat exchange. According to the fly ash co-processing method, on one hand, heat generated by combustion of the coal water slurry can be utilized for heat tracing of the fly ash, so that combustion of the fly ash is achieved, and extra energy consumption is not needed; and on the other hand, the fine fly ash and the coal water slurry are mixed to obtain slurry with certain viscosity, so that the fine fly ash can be effectively prevented from being carried by the airflow and quickly passing through the hearth, the retention time of the fly ash in the hearth is prolonged, and the fly ash is combusted more sufficiently.

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

Delivery mechanisms and distribution mechanisms are varied, adjusted, or modified based on a desired fuel application. Dimensions, flow rates, pressures, viscosities, temperatures, friction parameters, and combinations thereof may be varied, adjusted or modified. The fuel application may include a scrubber application. The scrubber application uses a delivery mechanism to deliver a wet or dry scrubbing agent at a low pressure to a distribution mechanism. The distribution mechanism distributes the scrubbing agent within the scrubbing chamber. The delivery mechanism is adjustable based on properties of a feedstock utilized to deliver the scrubbing agent, properties of a propellant, or properties of the scrubbing application. The distribution mechanism is adjustable based on desired distribution characteristics including shape, size, or velocity of drops, mists, or particles distributed. Location, processes, and by-products associated with output of the scrubbing application may be based on a stage of the scrubbing application.

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.

A burner assembly (1) for a mobile fuel-operated heater, in particular for a vehicle, comprises an evaporator (20) configured to evaporate a fuel supplied to it, an evaporator receptacle (24) designed to receive the evaporator (20), a peripheral wall (16) defining a combustion chamber (14) in which a gas mixture containing the evaporated fuel can be combusted, wherein the peripheral wall (16) defines a central axis (M), a glow plug (10) with a shaft section (12) comprising a glow element, which is configured to convert a current flowing through it when a voltage is applied into heat for igniting the gas mixture, and a first opening (15) formed in the peripheral wall (16) of the combustion chamber (14) and through which the shaft section (12) of the glow plug (10) extends substantially radially into the combustion chamber (14).A mounting arrangement (44, 45, 46, 17, 8) for the glow plug (10) is configured to allow the shaft portion (12) of the glow plug (10) to pivot within the combustion chamber (14) in a direction (R) along the center axis (M) away from the evaporator (20). A corresponding insert component with an integrally formed retaining ring for the evaporator is also provided.

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 invention provides a secondary vaporization type furnace end which comprises a vaporization assembly, and the vaporization assembly comprises a first oil pipe, an oil pipe connector, a throttling valve, a secondary vaporization heating pipe, a secondary vaporization chamber, a second oil pipe, an oil nozzle connector and a vaporization oil nozzle. And the oil pipe joint is mounted at one end of the first oil pipe. Fuel oil in the first oil pipe is vaporized through the primary vaporization heating pipe, the primarily vaporized fuel oil flows into the second oil pipe, the fuel oil in the second oil pipe is secondarily vaporized through the secondary vaporization heating pipe, and due to the fact that the secondary vaporization heating pipe is bent into a continuous S shape, the heating area of the second oil pipe can be increased; fuel crude oil in the second oil pipe is fully vaporized, and the combustion efficiency of fuel oil is improved; by rotating the throttling valve, the sectional area of an inner channel of the throttling valve can be changed, then the flow of fuel crude oil is adjusted, and when the flow of the fuel crude oil is increased, the combustion firepower is increased, and rapid and accurate adjustment of the combustion firepower is achieved.

To prevent the leakage of fuel and a spray medium.SOLUTION: A burner gun comprises: a connection metal fixture 30 having a fuel connection port 31 and a spray medium connection port 32; a piping connection member 20 having a fuel supply flow passage 21 and a spray medium supply flow passage 22; a connection part 40 for switching a connection state for making the connection metal fixture 30 and the piping connection member 20 contact with each other, and a release state for making the connection metal fixture 30 and the piping connection member 20 not contact with each other; and a gasket 50 arranged between the piping connection member 20 and the connection metal fixture 30. The connection part 40 generates a pressing force in a direction in which the piping connection member 20 is made to contact with the connection metal fixture 30, and forms a seal region by pressing the gasket 50 by the pressing force, and the connection metal fixture 30 has a support part 36 for supporting the piping connection member 20 in the connection state.SELECTED DRAWING: Figure 4

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 relates to a field of heating, specifically, to a structure of naked flame devices, e.g. automatic fireplaces, which operate with a liquid vegetal fuel and provide its evaporation followed by combustion of vapors. The automatic liquid fuel fireplace comprises a fireplace housing having a device for liquid fuel evaporation and subsequent combustion of vapors arranged therein, a liquid fuel supply system and an electronic control system which comprises a power supply unit, a control unit and sensors for controlling, managing and ensuring a safe operation of the automatic fireplace. An evaporator space comprises a liquid fuel distributor, an evaporator and a heating layer. The liquid fuel supply system comprises a pump, a fuel pipe and a liquid fuel container. A burner is provided with air supply openings to supplying air along a combustion zone perimeter, and a fan is arranged below, the fan is coupled to the air supply openings. The fireplace housing is provided with air supply openings to supplying the air to the fan. The invention ensures evaporation of the liquid fuel and further combustion of the produced fuel vapors is carried out within the single device, as well as increase of the fireplace operation reliability and safety, and increase of compactness.

This furnace comprises: a burner (10) that selectively injects, into a combustion space (S), a first fuel that is more readily combustible than ammonia and a second fuel that contains ammonia; a first temperature sensor (T1) that measures the temperature of a wall (16) defining the combustion space (S); a second temperature sensor (T2) that measures the temperature of the combustion space (S); a third temperature sensor (T3) that measures the temperature of the burner (10); and a control device. The control device stores a reference temperature for each of the temperature sensors (T1, T2, T3). The control device executes first control for controlling the burner (10) so as to inject the first fuel when each of the measured temperatures of the temperature sensors (T1, T2, T3) is lower than the respective reference temperatures, and executes second control for controlling the burner (10) so as to inject the second fuel when at least one of the measured temperatures of the temperature sensors (T1, T2, T3) reaches the corresponding reference temperature.

To downsize a boiler system.SOLUTION: A boiler system comprises: a boiler 10 for burning ammonia fuel to generate steam; a fuel supply system 20 for supplying the boiler 10 with ammonia fuel; and a vacuum unit 30 for evacuating the ammonia fuel in the fuel supply system 20 to guide the ammonia fuel remaining in the fuel supply system 20 into a furnace 12 of the boiler 10. The boiler system further comprises: a purge gas supply unit 40 for supplying the fuel supply system 20 with purge gas; and a storage unit 50 for storing the ammonia fuel and the purge gas discharged from the fuel supply system 20 by the purge gas supply unit 40.SELECTED DRAWING: Figure 1

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.

A valve stem for use in a fluid flow control valve having a valve body configured to receive a portion of the valve stem and to enable the valve stem to selectively rotate within the valve body between a fully-open position, where fluid is permitted to flow through the fluid flow control valve, and a fully-closed position, where fluid is prevented from flowing through the fluid flow control valve. The valve stem includes an elongate valve stem arm having a first end and a second end and a valve stem head integrally formed with and fixedly attached to the second end of the valve stem arm. The valve stem head includes a fluid inlet formed in the valve stem head, and a fluid outlet formed in the valve stem head, and a fluid passage that directs fluid from the fluid inlet, through the valve stem, and out of the fluid outlet.

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.

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.

To provide a boiler capable of suppressing a consumption of an inert gas for purging a hydrogen gas, and a method of purging the hydrogen gas.SOLUTION: A boiler that injects a fossil fuel gas supplied from a fossil fuel gas line and a hydrogen gas supplied from a hydrogen gas line into a combustion chamber to burn them is equipped with bypass block valves, and has a fossil fuel gas bypass line for connecting the fossil fuel gas line and the hydrogen gas line. The bypass block valves are set to be a closed state in a normal operation, and are set to be an open state when purging the hydrogen gas remaining in the hydrogen gas line, to send the fossil fuel gas into the hydrogen gas line.SELECTED DRAWING: Figure 1

The invention discloses a reaction furnace raw material oil gun atomization mode remote monitoring automatic control device and a method thereof. The device is controlled by a decentralized control system, a fuel oil gun penetrates through and is inserted into a reaction furnace from one side of the reaction furnace, the inlet end of the fuel oil gun is communicated with an oil inlet pipe, the outlet end of the fuel oil gun faces an atomization image area in the reaction furnace, sight glass holes are formed in the two sides of the fuel oil gun, and a monitoring mechanism is arranged at the end of any sight glass hole. The monitoring mechanism comprises an advancing sliding rod and a descending sliding rod, the advancing sliding rod is erected on the front portion of the sight glass hole, the descending sliding rod is arranged on the advancing sliding rod in a sliding mode, the lower end of the descending sliding rod is provided with an acquisition unit used for acquiring images of the atomization image area, and the shooting angle of the acquisition unit corresponds to the atomization image area. The backflow function is achieved through opening and closing of the automatic control valve, the automatic rapid control function is achieved, manual control is completely replaced, images of the atomization image area are extracted through the monitoring mechanism, and the judgment standard of the atomization degree is unified.

The problem to be solved is the low rate at which large amounts of agricultural waste and household garbage are generated in our neighborhoods and are utilized as energy due to the time and cost involved in collecting and transporting them. [Solution] Biomass, etc. is continuously compressed and heated in this state to create a subcritical state in which the internal moisture of the biomass, etc. is converted into water vapor, and the H+ ions and OH- ions produced in this process hydrolyze the biomass, etc., into low molecular weight substances, turning them into crude oil-like substances. The continuous liquefaction device continuously creates a subcritical state by heating the biomass, etc., scraped in from the bottom of the cylinder 3 with a heating device 5 on the way to the top while compressing it with a screw 2, turning the biomass, etc. into low molecular weight substances, and discharging the liquefied material from the cylinder as needed.

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.

This application belongs to the field of combustion chamber experiment technology and relates to a supersonic combustion chamber ground experiment system for injecting supercritical kerosene. The system comprises: a supersonic combustion chamber, a fuel supply device, and a fuel injection device. The fuel supply device is connected to the fuel injection device so that the fuel supply device supplies fuel to the fuel injection device. The fuel injection device is located near a concave cavity on the isolation section of the supersonic combustion chamber to inject supercritical kerosene. The system also comprises: a nitrogen purge device connected to the fuel supply device. The fuel supply device comprises: a kerosene fuel storage tank, a kerosene fuel pipeline, and a kerosene heater. The kerosene fuel storage tank is connected to the kerosene fuel pipeline to enable kerosene fuel transmission. The kerosene heater is spaced outside the kerosene fuel pipeline so that the kerosene heater heats the supercritical kerosene in the kerosene fuel pipeline. The kerosene fuel pipeline is also connected to the fuel injection device. This application enables precise control of kerosene temperature.

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.