16 results about "Methanol reformer" patented technology

The invention discloses a methanol energy supply device for an unmanned aerial vehicle and a working method of the methanol energy supply device, and belongs to the technical field of unmanned aerial vehicle energy supply. The device mainly comprises a miniature methanol reformer and a high-temperature proton exchange membrane fuel cell (HT-PEMFC). The micro methanol reformer comprises a methanol storage tank, a vaporizing chamber, a reforming reaction chamber and a heat exchange assembly, the methanol storage tank is made of a high-strength lightweight material, the vaporizing chamber is provided with an efficient heating structure, the reforming reaction chamber is filled with a special catalyst, and the heat exchange assembly adopts an efficient heat transfer technology. A proton exchange membrane, an electrode and a gas diffusion layer of the high-temperature fuel cell are all made of special materials. During working, liquid methanol is vaporized and reformed to generate reformed gas, and hydrogen enters the fuel cell for power generation. Through the compact modular design, the device has the advantages of high energy conversion efficiency, compact and light structure, quick starting performance, strong hydrogen impurity tolerance and the like, can effectively improve the cruising ability and working performance of the unmanned aerial vehicle, and has a good application prospect in the field of unmanned aerial vehicles.

The invention relates to a modular methanol reforming hydrogen production system, and belongs to the technical field of new energy of methanol reforming hydrogen production. The hydrogen production system comprises a control system, an air inlet module, a methanol supply module, a plurality of methanol reforming hydrogen production modules, a reformed gas main pipeline and a tail gas main pipeline, wherein the methanol reforming hydrogen production module comprises a methanol reformer, a tail gas heat exchanger, a methanol evaporator, a methanol aqueous solution sub-feeding pump, a methanol aqueous solution sub-pipeline, a reformed gas sub-pipeline and a tail gas sub-pipeline; the methanol reformer comprises a vaporizing chamber, an oxidizing chamber and a reforming chamber; an outlet of high-temperature tail gas generated by the oxidizing chamber is connected with the tail gas heat exchanger and the methanol evaporator; and the methanol aqueous solution main storage tank is sequentially connected with the methanol evaporator, the tail gas heat exchanger and the reforming chamber through a methanol aqueous solution feeding pump. The methanol reforming hydrogen production system adopts a modular design, is simple in equipment, high in expansibility, quick to start and adjustable in hydrogen production amount, and realizes instant production and instant use of hydrogen energy and hydrogen.

The invention discloses an engine combustion system based on methanol fuel, and belongs to the technical field of engines, and the system is characterized in that a first outlet of a methanol storage tank is communicated to a gas inlet channel methanol nozzle of a main combustion chamber; a second outlet of the methanol storage tank is communicated to a first inlet of the waste gas heat exchanger, and is communicated to a first inlet of the methanol reformer through a first outlet of the waste gas heat exchanger; a first outlet of the methanol reformer is communicated to a gas inlet channel reformed gas nozzle of the main combustion chamber and a pre-combustion chamber reformed gas nozzle; an exhaust pipe outlet of the main combustion chamber communicates with a second inlet of the waste gas heat exchanger so as to communicate with a second inlet of the methanol reformer through a second outlet of the waste gas heat exchanger. Waste gas waste heat is used for methanol vaporization and reforming reaction, hydrogen-rich reformed gas is generated, the waste gas waste heat is efficiently utilized, the energy utilization rate is increased, the reformed gas is introduced into the pre-combustion chamber and the main combustion chamber, jet flow ignition energy is enhanced, in-cylinder combustion is accelerated, and the combustion efficiency is improved.

The invention relates to a methanol steam reforming hydrogen production device and a quick starting method thereof, and belongs to the technical field of hydrogen energy preparation devices. The hydrogen production device comprises a methanol reformer, a tail gas heat exchanger, a methanol evaporator, a methanol feeding pump, a methanol aqueous solution pipeline, a reformed gas pipeline, an air pipeline and a tail gas pipeline, the methanol water solution pipeline comprises a first pipeline and a second pipeline; the methanol reformer comprises a methanol oxidizing chamber, a methanol vaporizing chamber and a methanol reforming chamber; the methanol reformer is connected with the first pipeline through a methanol feeding pump; the methanol reformer is respectively connected with an air pipeline and a reformed gas pipeline; the methanol reformer is sequentially connected with the tail gas heat exchanger and the methanol evaporator to form a secondary heat exchange structure; and the methanol evaporator is sequentially connected with the tail gas heat exchanger and the methanol reformer through a second pipeline for multi-stage heat recovery. A detachable hydrogen storage device is connected outside a methanol oxidation chamber of the hydrogen production device, and the hydrogen production device can be quickly started by utilizing hydrogen-air catalytic combustion during starting.

The application discloses a methanol direct-current power generation system and a mobile machine driven by electric power, and relates to the field of power generation systems. The system comprises a methanol reformer, which can receive externally input methanol fuel and generate hydrogen-rich gas by using the methanol fuel; a hydrogen-rich gas storage chamber, which can receive and store the hydrogen-rich gas generated by the methanol reformer at a constant pressure; a hydrogen-rich gas internal combustion engine, which can receive the hydrogen-rich gas from the methanol reformer and / or the hydrogen-rich gas storage chamber, and burn the received hydrogen-rich gas to generate mechanical power and output the mechanical power through a power output end; a direct-current generator, which is connected with the power output end of the hydrogen-rich gas internal combustion engine, and is provided with a first power output end capable of outputting direct-current power; and a controller, which is electrically connected with the methanol reformer, the hydrogen-rich gas storage chamber, the hydrogen-rich gas internal combustion engine and the direct-current generator, and can control the methanol reformer, the hydrogen-rich gas storage chamber, the hydrogen-rich gas internal combustion engine and the direct-current generator respectively. The system forms a high-efficiency and reliable methanol fuel utilization mode.

The invention discloses a power generation system of a hybrid electric vehicle based on methanol reforming, and relates to the technical field of internal combustion engines, in the power generation system of the hybrid electric vehicle based on methanol reforming, a methanol tank is used for storing methanol; inputting methanol to the internal combustion engine and the pre-chamber subsystem; the reformer is used for converting input electric energy into heat energy and reforming methanol to obtain reformed gas; the reformed gas storage tank is used for storing reformed gas; reformed gas is input into the pre-combustion chamber subsystem; the pre-combustion chamber subsystem is used for pre-combusting input methanol and reformed gas to obtain pre-combustion flames; the internal combustion engine is used for igniting input methanol through pre-combustion flames, and the methanol combusts to generate high-temperature fuel gas and kinetic energy. The generator is used for generating power under the driving of kinetic energy to generate electric energy; the reformer is also used for recovering waste heat of the high-temperature fuel gas; the power battery is used for storing electric energy; electric energy is input to the reformer. The power generation efficiency of the power generation system of the hybrid electric vehicle is improved.

The invention discloses an energy recovery system based on methanol reforming hydrogen production, and the system comprises a methanol hydrogen production unit which comprises a combustor and a methanol reformer; the combustor is used for supplying heat to the methanol reformer, the methanol reformer is used for methanol reforming to generate hydrogen-rich gas, and the hydrogen-rich gas contains CO; the CO removal chamber is filled with a methanation catalyst; the CO removal chamber is connected with the methanol reformer and is used for converting CO conveyed by the methanol reformer into methane to form high-temperature mixed gas; the heat exchanger is connected with the CO removal chamber and is used for exchanging heat of the high-temperature mixed gas conveyed by the CO removal chamber to form low-temperature mixed gas; the hydrogen separation chamber is connected with the heat exchanger and the methane separation chamber and is used for separating hydrogen in the low-temperature mixed gas and conveying residual gas to the methane separation chamber; and the methane separation chamber is connected with the combustor and is used for separating methane in the residual gas and conveying the methane to the combustor for combustion and heat supply. On the basis of traditional methanol hydrogen production equipment, the CO removal chamber and the heat exchanger are introduced, CO gas generated in methanol reforming hydrogen production is removed, and waste heat generated in methanol reforming hydrogen production is recycled.

The invention relates to the technical field of combustion of gas turbines, and particularly discloses a multi-mode methanol turbulent burner which mainly comprises a main combustion stage sleeve, an on-duty stage sleeve, a main combustion stage swirler, an on-duty stage swirler, a main combustion stage methanol reformer, an on-duty stage methanol reformer, an on-duty stage nozzle and the like. The combustor has three working modes: methanol liquid mist, methanol steam and methanol reforming. In the ignition starting stage, the on-duty nozzle sprays liquid methanol to form methanol liquid mist, and reliable ignition and combustion are achieved; under the partial load working condition, the on-duty stage and the main combustion stage jet methanol steam absorbing exhaust waste heat, and the heat efficiency of the gas turbine is improved; under the full-load working condition, methanol is reformed into hydrogen-rich reformed gas in the combustor, the hydrogen-rich reformed gas enters the combustion chamber to be combusted, the heat efficiency is further improved, and emission of unconventional pollutants is reduced. The multi-mode methanol turbulent burner can meet the flexible combustion requirements under different working conditions, meanwhile, the heat efficiency of a gas turbine is improved, and pollutant emission is reduced.

The invention relates to a methanol reformer system (1) comprising: a methanol reformer (2); a waste heat utilisation system (3) having a first heat exchanger (4); a water recovery system (5) having a second heat exchanger (6) and a water separator (15); and a cooling water system (7) which is connected to the waste heat utilisation system (3) and the water recovery system (5), wherein an exhaust gas line (8) of the methanol reformer (2) is connected to an inlet (9) on a primary side (10) of the first heat exchanger (4), an outlet (11) on the primary side (10) of the first heat exchanger (4) is connected to an inlet (12) on a primary side (13) of the second heat exchanger (6), and an outlet (14) on the primary side (13) of the second heat exchanger (6) leads into the water separator (15). The invention also relates to a methanol reformer fuel cell system. The invention also relates to a method for recovering heat and water in a methanol reformer system (1).

The present invention relates to the technical field of internal combustion engine fuels, and provides a multi-fuel internal combustion engine using solid-state hydrogen storage, methanol, hydrogen, gasoline and diesel, and natural gas. The multi-fuel internal combustion engine comprises: a multi-fuel internal combustion engine body; a gas storage tank, in communication with an gas inlet pipe of the multi-fuel internal combustion engine body, wherein a flow regulating valve is mounted on the gas inlet pipe; a hydrogen supply assembly and a natural gas supply assembly, each connected to the gas storage tank; a methanol reformer, wherein a methanol reformer jacket is provided on an outer periphery of the methanol reformer, and the methanol reformer is connected to a methanol and gasoline-diesel supply assembly; and a solid-state hydrogen storage tank, wherein a solid-state hydrogen storage tank jacket is provided on an outer periphery of the solid-state hydrogen storage tank, a hydrogen injection pipe and a hydrogen discharge pipe are connected to the solid-state hydrogen storage tank, and the hydrogen discharge pipe is configured to communicate with the gas storage tank. The present invention enables flexible supply of one or more fuels to the internal combustion engine, and achieves an improved fuel conversion rate during the conversion process.

The invention relates to a methanol reforming high-temperature membrane fuel cell power generation system and a heat exchange network structure thereof. The power generation system comprises a high-temperature membrane fuel cell stack, a methanol reformer, a heat exchanger, a parallel flow radiator, a buffer oil pot, a heat conduction oil circulating pump, an inverter and a controller, wherein an outlet of a heat-conducting oil chamber of the high-temperature membrane fuel cell stack is sequentially connected with an inlet of the buffer oil can and an outlet of the heat-conducting oil circulating pump through the second heat exchanger, an inlet of the heat-conducting oil circulating pump is connected with an inlet of the parallel flow radiator, and an outlet of the parallel flow radiator is connected with an inlet of the heat-conducting oil chamber through the first heat exchanger; and a heat-conducting oil circulating system is formed. The heat-conducting oil in the high-temperature membrane fuel cell stack is pumped out, so that the pressure of the heat-conducting oil chamber is negative pressure, the sealing pressure of the heat-conducting oil chamber is reduced, the sealing difficulty of the stack is reduced, oil leakage is prevented, the output performance and the operation stability of a power generation system are improved, and the service life of the power generation system is prolonged.

The present application relates to gas turbine combustion technology field, specifically disclose a kind of multi-mode methanol swirl burner, mainly including main combustion stage sleeve, duty stage sleeve, main combustion stage swirler, duty stage swirler, main combustion stage methanol reformer, duty stage methanol reformer, duty stage nozzle etc..The burner of the present application has three working modes: methanol liquid mist, methanol steam and methanol reforming.In ignition starting phase, duty stage nozzle sprays liquid methanol, forms methanol liquid mist, realizes reliable ignition and combustion;Under partial load condition, duty stage and main combustion stage spray methanol steam that has absorbed exhaust waste heat, improve gas turbine thermal efficiency;Under full load condition, methanol is reformed into hydrogen-rich reforming gas in burner, into combustion chamber and burns, further improve thermal efficiency and reduce unconventional pollutant emissions.The multi-mode methanol swirl burner of the present application can meet the flexible combustion demand under different conditions, improve gas turbine thermal efficiency and reduce pollutant emissions.

The invention relates to a methanol reformer with a detachable catalyst in an oxidation chamber, and belongs to the technical field of new energy. The methanol reformer comprises a reformer shell, an oxidation chamber, a reforming chamber, a gas inlet, a fuel feed port, a methanol feed port for oxidation, an emptying port, a methanol feed port for reforming and a reforming hydrogen outlet, and the oxidation chamber comprises a vaporization area, a gas distribution area, a mixing area, an oxidation area and a heat exchange area; the vaporization area is sequentially connected with the gas distribution area, the mixing area, the oxidation area and the heat exchange area respectively; the oxidation chamber oxidation zone is filled with a methanol oxidation catalyst, and the gas distribution zone is detachably connected with the mixing zone; the reforming chamber is internally filled with a methanol reforming catalyst; and the aperture of the tail exhaust hole at the reforming hydrogen outlet is greater than the particle size of the methanol reforming catalyst. The methanol reformer is beneficial to detachable replacement or regeneration of the catalyst, and the purposes of reducing cost and improving efficiency are finally achieved.

The invention relates to a methanol reformer system (1) comprising a methanol reformer (2), a waste heat utilization system (3) with a first heat exchanger (4), a water recovery system (5) with a second heat exchanger (6) and a water separator (15), and a cooling water system (7) which is connected to the waste heat utilization system (3) and the water recovery system (5), wherein an exhaust gas line (8) of the methanol reformer (2) is connected to an inlet (9) of a primary side (10) of the first heat exchanger (4), that an outlet (11) of the primary side (10) of the first heat exchanger (4) is connected to an inlet (12) of a primary side (13) of the second heat exchanger (6), and that an outlet (14) of the primary side (13) of the second heat exchanger (6) opens into the water separator (15). Furthermore, the invention relates to a methanol reformer fuel cell system.The invention also relates to a process for heat and water recovery in a methanol reformer system (1).

The utility model belongs to the technical field of fuel cell detection, and particularly relates to a methanol reformer and a methanol reformer device for testing an HT-PEM fuel cell. The methanol reformer for testing the HT-PEM fuel cell comprises a heat production unit communicated with a heat transfer unit; the preheating vaporization unit is arranged on one side of the heat transfer unit; the reforming unit is arranged on the other side of the heat transfer unit; the heat production unit is suitable for preheating the methanol water for reforming entering the preheating vaporization unit through the heat transfer unit so as to vaporize the methanol water for reforming and then entering the reforming unit, and heating the reforming unit through the heat transfer unit so as to reform methanol steam for reforming. The concentration of carbon monoxide in the gas prepared by the methanol reformer is reduced, the poisoning reaction of an anode catalyst is reduced when the methanol reformer is used for testing an HT-PEM fuel cell, and the influence of carbon monoxide on the cell in the running process is reduced.

The application discloses a methanol reforming hydrogen production energy recovery system, comprising: a methanol reforming unit, including a combustion chamber and a methanol reformer; the combustion chamber supplies heat for the methanol reformer, and generates a reforming product rich in hydrogen and CO; a CO removal chamber, the inlet of which is connected with the outlet of the methanol reformer, and the input reforming product reacts in the chamber to generate a first mixed gas containing hydrogen and methane; a heat exchanger, connected with a methanol reservoir and the outlet of the CO removal chamber, so that the high temperature of the first mixed gas is conducted to the methanol aqueous solution in the heat exchanger, and the reforming reaction raw material after vaporization is formed; a hydrogen separator, the inlet of which is connected with the outlet of the heat exchanger, for separating the hydrogen in the first mixed gas, and discharging a second mixed gas containing methane; and a methane separation chamber, connected between the hydrogen separator and the combustion chamber, for separating the methane in the second mixed gas, and inputting the methane into the combustion chamber. The application realizes the synchronous improvement of the CO purification rate, the waste heat utilization rate and the system stability.