40 results about "Alcohol fuel" patented technology

The invention relates to the technical field of fuels and additives thereof, in particular to an alcohol fuel with a catalytic effect and an additive thereof.The alcohol fuel with the catalytic effect comprises C1-C7 alcohol and hydrocarbon, and a rare earth compound catalytic material is used in the fuel; the rare earth compound comprises a hydroxyl group or a phenyl group or a C5-C25 group or a carboxyl group or an amino group or a metal, the alcohol fuel is high in formula calorific value adjustable calorific value, can well adapt to an internal combustion engine or an engine for testing the alcohol fuel, is a novel alternative energy with potential, and can be used for preparing the alcohol fuel. The environmental protection problem of fossil fuel is solved, and the fuel efficiency is accelerated.

A dual fuel system includes a first fuel supply of a first fuel, a second fuel supply of a second fuel, and a variable-output fuel pump. A fuel injector in the dual fuel system includes a combined-fuel outlet passage, a nozzle check movable to open and close the combined-fuel outlet passage to nozzle outlets, and a check valve positioned at least partially in a first fuel passage connected to the first fuel supply by way of the variable-output fuel pump. The first fuel may include a compression-ignition fuel and the second fuel may include an alcohol fuel. Varying output of the fuel pump during an off-cycle of a cam actuating a plunger in the fuel injector meters the first fuel to the fuel injector for forming a fuel charge for injection. Related apparatus and methodology is also disclosed.

The invention relates to the technical field of internal combustion engine tail gas treatment and clean combustion, and discloses an EGR system of an integrated alcohol fuel injection branch and a control method, the EGR system comprises a main working loop, a waste gas circulation path, an alcohol injection path and an engine control unit; the main working loop comprises a turbocharger, an intercooler, an engine, an air inlet cylinder and an air outlet cylinder, the air inlet cylinder is connected with one end of the intercooler, the other end of the intercooler is connected with the input end of the engine, the output end of the engine is connected with the air outlet cylinder, the turbocharger is installed in the air outlet cylinder, and the air inlet cylinder is connected with the air outlet cylinder through the turbocharger; the exhaust gas circulation passage comprises an EGR valve, a three-way electromagnetic valve, an EGR valve cooler and the like; according to the EGR system and the control method, through premixing and adjusting of the waste gas and the alcohol fuel, NOx and particulate matter emission can be efficiently reduced at the same time within the full working condition range, and the heat efficiency of the engine is improved.

A fuel system includes a first fuel subsystem having a supply of a first fuel and at least one fuel pump to provide a high-pressure feed of a first fuel and a low-pressure feed of the first fuel. The fuel system also includes a second fuel subsystem having a supply of a second fuel, and a plurality of fuel injectors. Each fuel injector forms a high-pressure fuel inlet, a low-pressure fuel inlet, a second-fuel inlet, and a combined-fuel outlet passage. A first fuel admission valve is movable to admit the first fuel into the combined-fuel outlet passage displacing some of the second fuel to form a combined fuel charge. A second fuel admission valve admits the second fuel to the combined-fuel outlet passage. The first fuel may include a compression-admission fuel such as diesel, and the second fuel may include an alcohol fuel such as methanol. Providing the first fuel at two different fuel pressures enables the first fuel to serve lubrication and cooling purposes within fuel injector, whilst also providing a component of a segmented combined fuel charge or substantially all of a fuel charge.

A quill connector (52) in a dual fuel engine system (10) includes a first fuel conduit (66) for a first fuel extending to a first fuel outlet (68) in a flat sealing face (64), and a second fuel conduit (70) for a second fuel extending to a second fuel outlet (72) in the flat sealing face. The quill connector is installed in a cylinder head (20) for providing feeds of two different liquid fuels such as a liquid alcohol fuel and a diesel fuel for combustion in an engine (12). A rough alignment pin (108) and a fine alignment pin (106) are used to position the quill connector during installation. Related apparatus and methodology is also disclosed.

The invention discloses a gas-fired boiler zero-carbon fuel clean blending combustion coupling system and method.The gas-fired boiler zero-carbon fuel clean blending combustion coupling system comprises a clean blending combustion coupling system body, and the clean blending combustion coupling system body comprises a coupling gas-fired boiler module, a mixed alcohol preparation module, a flame research module, a model data optimization module, a parameter adjustment module and a tail gas detection module; according to the invention, the mixed alcohol fuel synthesized by gasifying the low-quality biomass is co-combusted with the mixed gas formed by mixing the natural gas with hydrogen and ammonia, so that the combustion process in the gas-fired boiler is optimized, the burn-off rate is improved, the emission of CO2 and NOx pollutants is co-reduced, the low-quality biomass resources are fully utilized, a technical path is provided for low-carbon and even zero-carbon combustion of the gas-fired boiler, and the energy consumption of the gas-fired boiler is reduced. Environmental protection and economic feasibility are achieved, and low-carbon green transformation of the gas turbine unit is assisted; and a model data optimization module is arranged, and the combustion process is interactively optimized through multi-physics field coupling modeling, data driving correction and multivariable cooperative control, so that the problem of local high-temperature coking is avoided.

The present application belongs to the field of new fuel, and specifically provides a special low-emission high-efficiency fuel for parallel hybrid electric vehicles, which mainly comprises alkylated gasoline, oxygen-containing fuel, hydrogenated gasoline, C7 aromatic hydrocarbon, C8 aromatic hydrocarbon, high olefin C5 and raffinate oil. Compared with traditional vehicle gasoline, the special fuel has low C9+ aromatic hydrocarbon content, higher alcohol addition and higher paraffin content, which ensures better fuel economy and lower emission characteristics of the parallel hybrid engine under the frequent start-stop working condition. The low C9+ aromatic hydrocarbon content and alcohol fuel can reduce PN emission; at the same time, the alcohol fuel and high paraffin content can increase the flame propagation speed and combustion stability, so that the PN emission is reduced and the combustion efficiency is improved during the start-stop process, which can realize more than 50% reduction of PN emission and 5%-10% reduction of fuel consumption.

A fuel system includes a first fuel subsystem having a supply of a first fuel and at least one fuel pump to provide a high-pressure feed of a first fuel and a low-pressure feed of the first fuel. The fuel system also includes a second fuel subsystem having a supply of a second fuel, and a plurality of fuel injectors. Each fuel injector forms a high-pressure fuel inlet, a low-pressure fuel inlet, a second-fuel inlet, and a combined-fuel outlet passage. A first fuel admission valve is movable to admit the first fuel into the combined-fuel outlet passage displacing some of the second fuel to form a combined fuel charge. A second fuel admission valve admits the second fuel to the combined-fuel outlet passage. The first fuel may include a compression-admission fuel such as diesel, and the second fuel may include an alcohol fuel such as methanol. Providing the first fuel at two different fuel pressures enables the first fuel to serve lubrication and cooling purposes within fuel injector, whilst also providing a component of a segmented combined fuel charge or substantially all of a fuel charge.

The utility model relates to the technical field of heating equipment discloses a hydrogen alcohol heating stove, including the organism, the organism includes hearth, sets up the heat exchange pipe in hearth, sets up the burner that heats in hearth bottom and adds the hydrogen alcohol fuel of hydrogen alcohol fuel supply module that provides with burner connection, sets up the flue gas condenser that collects the flue gas of hearth discharge in the organism and provides oil module, sets up the flue pipe between hearth and flue gas condenser, and sets up the flue gas exhaust mechanism that flue gas is discharged to outside in flue gas condenser, the side wall of organism is equipped with water outlet and water inlet, flue gas condenser includes the smoke box and sets up the condenser pipe in the smoke box, and the outlet of condenser pipe is linked together with the import of heat exchange pipe, and the import of condenser pipe links together with water inlet, and the export of heat exchange pipe links together with water outlet, the shape of smoke box is U type, and the shape of condenser pipe is spiral fin shape. With this, it is favorable to flue gas waste heat heat exchange, and the time of heat exchange with flue gas can be prolonged and the area of heat exchange with flue gas can be increased to improve the heat exchange efficiency.

The invention belongs to the field of alcohol catalytic oxidation, and particularly relates to a multi-component alloy alcohol oxidation electrode, preparation and application of the multi-component alloy alcohol oxidation electrode in an alcohol fuel cell, and the preparation method of the electrode comprises the following steps: depositing an M1-M2-M3-LDH material on a carbon-based carrier, and then performing reduction treatment to prepare an M1-M2-M3-multi-component alloy carbon-based carrier; and preparing a precursor electrode by taking the M1-M2-M3-multicomponent alloy and carbon-based carrier as an active material, and carrying out CV electrochemical etching in an acidic electrolyte by taking the precursor electrode as a working electrode to prepare the multicomponent alloy alcohol oxidation electrode, wherein M1 comprises at least one noble metal of Pt, Au, Ag, Pd and Ir; m2 comprises at least one divalent metal of Co, Ni, Cu, Zn and Mn; m3 comprises at least one trivalent metal of Ga, In, Bi, Sb and Fe; the molar weight ratio of M1 to M2 to M3 is 1: (1-8): (1-6); the number of CV circulation circles of the CV electrochemical etching is 10 to 100. The material provided by the invention can effectively resist the problem of CO poisoning, and can significantly improve the alcohol catalytic oxidation effect.

An internal combustion engine system is described herein. The system uses a selective catalytic reactor (SCR) with an oxidation function to treat NOx emissions and a second exhaust gas component in the exhaust gas of an internal combustion engine. The SCR with oxidation function includes at least two stages: a NOx reduction stage having a NOx reduction matrix configured to react with and reduce the amount of NO2 and / or NO in the exhaust gas of an internal combustion engine, and a NOx reduction stage having a NOx reduction matrix configured to react with and reduce the amount of NO2 and / or NO in the exhaust gas of the internal combustion engine; and an oxidation stage having an oxidation catalyst configured to oxidize at least a portion of the second exhaust gas component. The oxidation stage may be applied to the NOx reduction substrate, or may replace portions of the NOx reduction substrate.

The present invention relates to a burner system for providing thermal energy comprising an evaporator device for evaporating a liquid alcohol fuel, a burner air supply means, a burner device for burning a fuel mixture comprising vaporized fuel and burner air to provide an exhaust gas stream, a functions device for controlling the thermal energy of the exhaust gas flow, wherein the burner device provides the thermal energy for evaporation in the evaporator device during operation.

The invention discloses a hollow nanostructure enhanced ion exchange membrane and a preparation method thereof, the ion exchange membrane is formed by compounding polymer resin and a hollow nanostructure, and the hollow nanostructure is obtained by polymerizing a precursor rich in terminal alkyne under the action of a template and removing the template after polymerization. And dispersing the hollow nanostructure in a polymer resin solution, casting the membrane-making solution into a membrane-making mold, and carrying out heat treatment to remove the solvent so as to form the membrane material. The preparation method is mild in synthesis condition and simple in process, large-scale preparation can be achieved, the hollow nanostructure can increase the water content of the membrane, swelling of the membrane is reduced in the application process of the membrane, the ionic conductivity of the membrane is improved, the membrane has high ionic conductivity, high mechanical strength, low swelling performance and low gas permeability, and the preparation method is suitable for industrial production. The method can be applied to application systems requiring rapid ion conduction, such as hydrogen-oxygen fuel cells, direct alcohol fuel cells, electrolyzed water, flow cells, chlor-alkali industry, water treatment and other fields.

A fuel injector in a fuel system having a first fuel supply of a first fuel and a second fuel supply of a second fuel, the fuel injector including a multi-function control valve movable in the fuel injector to control the first fuel to enter a combined fuel outlet passage, and control a timing of a fuel charge containing the first fuel and an injection pressure. In one embodiment, the first fuel includes a compression ignition fuel, such as diesel, and the second fuel includes an alcohol fuel, such as methanol. Related apparatus and methods are disclosed.

A fuel injector (44) in a fuel system (22) with a first fuel supply (24) for a first fuel and a second fuel supply (30) for a second fuel includes a multifunctional control valve (82) that is movable within the fuel injector to control the supply of the first fuel to an outlet channel for the combined fuel (66) and to control the timing and injection pressure of a fuel charge containing the first fuel. In one embodiment, the first fuel includes a compression-ignition fuel such as diesel, and the second fuel includes an alcohol fuel such as methanol. Associated devices and methods are disclosed.

Through an exhaust gas aftertreatment system (10) in the exhaust tract of an internal combustion engine (12) which is operated at least partially with an alcohol fuel, such as methanol or ethanol, an exhaust gas flow containing nitrogen oxides and an alcohol and / or formaldehyde can flow. The exhaust gas aftertreatment system (10) comprises a metering device (14) for metering ammonia into the exhaust gas flow, a first SCR catalyst (16) and a second SCR catalyst (18), wherein the first SCR catalyst (16) is arranged in the exhaust tract downstream of the metering device (14) and is designed to generate a treated exhaust gas flow from the exhaust gas flow of the internal combustion engine (12), which treated exhaust gas flow contains the nitrogen oxides and at least one nitrogen-containing hydrocarbon compound, such as hydrogen cyanide, due to e.g. zeolite acting as a catalyst. The second SCR catalyst (18) is arranged in the exhaust tract downstream of the first SCR catalyst (16) and is designed to degrade the nitrogen oxides contained in the generated treated exhaust gas flow while consuming the nitrogen-containing carbon water compound contained in the generated treated exhaust gas flow. The invention further relates to a method for exhaust gas aftertreatment and to the use of an exhaust gas aftertreatment system (10).

The utility model discloses a production device of a biological alcohol fuel additive, which belongs to the technical field of fuel additives and comprises a reaction tank, a shielding ring, a stirring component, a driving part and a feeding part, the shielding ring capable of being adjusted in a lifting mode is arranged on the periphery of the stirring barrel, the driving piece is used for driving the stirring assembly to slide in the vertical direction, and therefore the shielding area of the shielding ring on the discharging port of the stirring barrel is dynamically changed, and accurate control over the discharging time is achieved. According to the scheme, the condition that in the prior art, the additive is discharged in advance in an insufficient dispersion state can be effectively avoided, the mixing uniformity and the stability of a reaction system are remarkably improved, and the quality consistency and the reaction efficiency of the biological alcohol fuel additive are ensured.

The invention discloses a dual-fuel oil rail oil injector assembly, and relates to the technical field of high-pressure common-rail electronic control oil injector assemblies. A dual-fuel oil rail oil injector assembly comprises a valve body mechanism, the valve body mechanism comprises a valve body, an oil fuel channel with the upper portion expanded and supported is formed in the middle of the valve body, and the lower portion of the oil fuel channel is communicated with an oil nozzle fixedly connected with the valve body; an alcohol fuel channel with the lower portion expanded is formed in the edge of the valve body, and the lower portion of the alcohol fuel channel communicates with an alcohol nozzle fixedly connected with the valve body. A needle valve mechanism is arranged in the oil fuel channel and comprises a needle valve inserted into the oil nozzle, a first spring is wound around the upper portion of the needle valve, the lower end of the first spring is fixedly connected with a gasket attached to the oil fuel channel, and the upper end of the first spring is fixedly connected with a piston sleeve matched with the needle valve in a matched mode. And the hemispherical piston sleeve seat is additionally arranged between the piston sleeve and the control valve seat, so that the perpendicularity between related parts can be effectively compensated.

This invention provides a tabletop alcohol fireplace, comprising a combustion chamber, a fueling device, and a fireplace body. The combustion chamber is connected to the fueling device. The fueling device includes a fuel inlet unit and a fueling pipe unit. One end of the fueling pipe unit is connected to the fuel inlet unit, and the other end is connected to the combustion chamber. A first recessed area is provided in the middle of the fireplace body. The first recessed area is used to house the combustion chamber. The fueling pipe unit forms an inverted U-shape after passing through a second recessed area in the fireplace body. A protective unit is also provided on the surface of the fireplace body. By providing a fuel inlet unit in the alcohol fireplace, alcohol fuel can be added through this fuel inlet unit. The alcohol fuel then reaches the combustion chamber after passing through the fueling pipe unit, avoiding the accident risk of adding alcohol fuel directly from the combustion chamber; at the same time, the addition of the protective unit further mitigates the risk of use.

A quill connector in a dual fuel engine system includes a first fuel conduit for a first fuel extending to a first fuel outlet in a flat sealing face, and a second fuel conduit for a second fuel extending to a second fuel outlet in the flat sealing face.The quill connector is installed in a cylinder head for providing feeds of two different liquid fuels such as a liquid alcohol fuel and a diesel fuel for combustion in an engine. A rough alignment pin and a fine alignment pin are used to position the quill connector during installation. Related apparatus and methodology is also disclosed.

To suppress combustion noise while improving fuel economy.SOLUTION: A control device 100 for an internal-combustion engine includes a spark-ignition internal-combustion engine 1 to which alcohol fuel containing alcohol is supplied, a sensor 3a that detects an alcohol concentration of the alcohol fuel to be supplied to the internal-combustion engine 1, and an ignition timing control unit 12 that controls an ignition timing of the internal-combustion engine 1 to a reference ignition timing that is a later ignition timing of a predetermined optimal ignition timing and a predetermined knock ignition timing. In a case where the alcohol concentration is higher than a predetermined concentration, when the internal combustion engine 1 is operated in a predetermined region, the ignition timing control unit 12 calculates a target delay amount based on the alcohol concentration, and corrects the reference ignition timing to be delayed by the target delay amount.SELECTED DRAWING: Figure 5

An internal combustion engine system is described herein. The system uses an oxidation-enabled selective catalyst reactor (SCR) to treat NOx emissions and secondary exhaust components in an exhaust of the internal combustion engine. The oxidation-enabled SCR includes at least two stages: an NOx reduction stage having NOx reduction matrix configured to react with and reduce an amount of the NO2 and / or NO in the exhaust of the internal combustion engine; and an oxidation stage having an oxidation catalyst configured to oxidize at least a portion of the secondary exhaust components. The oxidation stage can be coated onto the NOx reduction matrix or may be substituted in for portions of the NOx reduction matrix.

The objective is to suppress the generation of unburned fuel in internal combustion engines that use alcohol fuel. [Solution] The vehicle control device is a vehicle control device for a vehicle equipped with an internal combustion engine that can use alcohol fuel, and when it is determined that the alcohol concentration of the alcohol fuel is above a predetermined value and the internal combustion engine is in a cold start state, it performs control to fix the shift position of the shift device equipped with the vehicle to a shift position that puts the vehicle in a stationary state using the shift lock mechanism equipped with the vehicle, until it is determined that the warm-up of the internal combustion engine is complete.

The application provides a preparation method of a palladium-tin-gallium ternary alloy nanomaterial, which comprises the following steps: A) under the protection of inert gas, mixing a metal palladium precursor, a metal tin precursor, a metal gallium precursor, methylamine hydrochloride, tri-octyl phosphine and oleylamine, and performing a warming reaction to obtain a preliminary reaction solution; and B) further performing a warming reaction on the reaction solution, washing and drying the reaction solution to obtain the palladium-tin-gallium ternary alloy nanomaterial. The preparation method is simple in operation and controllable in reaction conditions, and the obtained nanomaterial is spherical in shape, uniform in size and good in dispersity. The component of the nanomaterial can be accurately controlled by adjusting the feeding ratio of the metal precursors. The carbon-loaded nanomaterial catalyst prepared by loading the nanomaterial on a carbon carrier has excellent catalytic activity and stability for the electrocatalytic oxidation reaction of various alcohols, and has important application prospects in the field of new energy technologies such as direct alcohol fuel cells.

The rotary jet engine is composed of a stator ring groove, a rotor, a combustion chamber, thrust helical teeth or thrust blades, an exhaust hole 2 and an exhaust port 3. The rotary jet engine is characterized in that the thrust helical teeth 4 or the thrust blades 13 arranged on the circumference of the rotor 5 are located in the stator ring groove 1; a combustion chamber 9 is arranged above one side of the stator ring groove 1, high-pressure fuel pressurized by a pressurizing device enters the combustion chamber 9 through a high-pressure pipe 8, and after the high-pressure fuel is ignited by an ignition device in the combustion chamber 9, generated high-temperature and high-pressure gas is communicated with a combustion chamber nozzle on the stator ring groove 1 through the combustion chamber 9. And the high-speed jet is sprayed to the vertical surfaces of the rotor thrust helical teeth 4 or the thrust blades 13 in the stator ring groove 1 to push the rotor 5 to rotate at a high speed, and power is output through the rotor rotating shaft 7. The device has the advantages of being simple in structure, free of crankshaft transmission, high in efficiency and low in noise. Ethanol fuel can be directly used, greenhouse gas emission is reduced, and dependence on fossil fuel is reduced and abandoned.

The utility model belongs to the technical field of vaporization furnaces, and particularly belongs to an alcohol fuel vaporization furnace. A furnace body is mounted on the base, one end of the furnace core extends into the furnace body, and the other end of the furnace core extends out of the furnace body; the annular stove fire seat is located above the stove body, a plurality of supporting rods which freely penetrate through the annular stove fire seat are arranged on the base, and pot supports are arranged at the tops of the supporting rods; a windproof energy-gathering cover surrounding the furnace core is arranged at the top of the furnace body, and the outer diameter of the windproof energy-gathering cover is matched with the inner diameter of the annular furnace fire seat. According to the alcohol fuel vaporization furnace, through the cooperation of the base, the furnace body, the furnace core, the annular furnace fire seat, the supporting rod, the pot support, the windproof energy-gathering cover and the like, alcohol on the furnace core is burnt to generate heat when the alcohol fuel vaporization furnace is used, so that the alcohol in the furnace body is heated and gasified into steam to be continuously burnt on the furnace core, and the alcohol is burnt while being preheated and gasified; therefore, the contact area of alcohol steam and oxygen is increased, sufficient combustion is promoted, and the combustion efficiency is improved.

The application provides an ammonia-alcohol engine system and a fuel supply control method thereof. The ammonia-alcohol engine system comprises an engine, an ammonia fuel tank, an alcohol fuel tank, an oil rail and a nozzle. The engine comprises a cylinder, an air inlet channel and an air outlet channel. The cylinder is provided with a combustion chamber. The air inlet channel comprises an air inlet main pipe and an air inlet manifold. The air inlet manifold is connected with the air inlet main pipe. The fuel supply module comprises the ammonia fuel tank, the alcohol fuel tank, the oil rail and the nozzle. The ammonia fuel tank is connected with the alcohol fuel tank through a first pipeline. The alcohol fuel tank is connected with the oil rail through a second pipeline. The nozzle is connected with the oil rail. The air inlet manifold is connected with the cylinder one by one. The ammonia fuel in the ammonia fuel tank is mixed with the alcohol fuel in the alcohol fuel tank through the first pipeline. The ammonia-alcohol mixed fuel is introduced into the oil rail through the second pipeline. The nozzle on the oil rail sprays the ammonia-alcohol mixed fuel into each air inlet manifold or cylinder. The ammonia-alcohol mixed fuel can be sprayed by using a set of nozzles and an oil rail under the premise of ensuring the power demand of the whole vehicle.

The utility model relates to the technical field of mixed combustors, in particular to a hydrogen-alcohol multi-fuel mixed combustor. Comprising a heat-resisting spray head and an adjusting mechanism, the adjusting mechanism comprises a first connecting base, a second connecting base, a first adjusting valve, a second adjusting valve, an alcohol fuel conveying device and a hydrogen fuel conveying device, and the flow of alcohol fuel input into the first connecting base can be adjusted through the first adjusting valve; therefore, the flow of conveyed fuel of the alcohol fuel conveying device arranged on the fuel outlet side of the first connecting seat is adjustable, and the flow of hydrogen fuel input into the second connecting seat is adjusted through the second adjusting valve, so that the flow of conveyed fuel of the hydrogen fuel conveying device arranged on the fuel outlet side of the second connecting seat is adjustable. Fuel is conveyed to the combustion chamber of the heat-resisting spray head for mixed combustion, and therefore the problems that when an existing combustor works, the fuel conveying flow is stable and cannot be adjusted, fuel flow adjustment is not facilitated according to the use condition during use, and energy-saving use is difficult to achieve can be solved.

The utility model relates to the technical field of stoves, in particular to an alcohol stove with air control and combustion resistance, which comprises a stove body, a placing groove arranged in the stove body, a fuel box arranged in the placing groove and an air control plate arranged in a dye box. The air control plate is provided with a combustion hole with the length and width smaller than the length and width of an opening in the top of the fuel box, bent plates bent downwards are arranged on the front side and the rear side of the air control plate, the section of the air control plate is in a U shape, the air control plate is connected with the fuel box in an inserted mode, and an extension plate extending outwards is arranged on the outer side of the top of the fuel box. After the alcohol fuel is put into the fuel box, the air control plate is inserted into the fuel box, the burning-resistant time of the fuel is prolonged as the size of a burning hole of the air control plate is smaller than the size of an opening of the fuel box, and the problem that the fuel of an existing alcohol stove is not burning-resistant is solved.