26 results about "Catalytic burner" patented technology

A fuel system for a hydrogen fuelled aircraft propulsion system comprises a fuel tank configured to store hydrogen fuel, a main fuel conduit configured to provide fuel to a combustor of a gas turbine engine, a fuel heater comprising a catalytic combustor configured to catalytically combust a portion of the hydrogen fuel prior to delivery to the combustor and a heat exchanger configured to exchange heat between exhaust gases from the fuel heater and hydrogen fuel in the fuel conduit.

The utility model discloses a composite hydrogen supply system and hydrogen using equipment. The composite hydrogen supply system comprises a methanol storage device, a water storage device, a mixing device, a reaction chamber, a catalytic burner and a hydrogen storage device, the methanol storage device and the water storage device are connected to the mixing device in parallel, the mixing device is connected with the reaction chamber, the reaction chamber is used for being connected with hydrogen using equipment, and the catalytic burner is connected with the hydrogen storage device. The reaction chamber is used for carrying out reforming hydrogen production reaction or organic liquid hydrogen storage and desorption reaction, the catalytic burner is connected to the reaction chamber and used for maintaining the temperature needed by the reaction chamber, and the hydrogen storage device is used for being connected with hydrogen using equipment and used for providing hydrogen for the hydrogen using equipment in the cold start stage of the system. The water storage device is further used for being connected with hydrogen using equipment so as to collect water generated by the hydrogen using equipment. The composite hydrogen supply system provided by the utility model can solve the problem of slow cold start of methanol reforming hydrogen production in the prior art, and improves the hydrogen storage density of the whole system at the same time.

This invention discloses a combined fuel cell and heat pump power generation and heat production system. The system includes: a fuel cell with a hydrogen flow channel, an air flow channel, and a coolant flow channel; a first inlet pipe with its outlet end connected to the inlet end of the hydrogen flow channel; a condenser having a third flow channel and a fourth flow channel; a hydrogen catalytic burner with its inlet end connected to the inlet end of the first inlet pipe via a first branch pipe; a first heat exchanger including a first channel and a second channel, one end of the first channel being connected to the outlet end of the hydrogen catalytic burner, the second channel being connected in series with a water inlet pipe, and the other end of the water inlet pipe being connected to the liquid inlet end of the fourth flow channel; and a second heat exchanger including a third channel and a fourth channel, one end of the third channel being connected to the outlet end of the hydrogen catalytic burner, and the inlet end of the fourth channel being connected to the outlet end of the fourth flow channel. The combined fuel cell and heat pump power generation and heat production system of this invention broadens the range of heat production ratios for combined fuel cell and heat pump systems.

The utility model discloses a kind of combustor and evaporator integrated type heat components, belong to fuel cell system technical field, including shell, shell side fixedly set diffuser, combustor is set in shell;Combustor includes fuel premix body, tail gas pipe, combustion body;Combustion body includes combustion body shell and combustion body inner shell, combustion body inner shell is fixedly connected with annular support plate away from one end of diffuser;Evaporator is set on annular support plate side away from combustor;Evaporator includes water evaporator coil made of heat-resistant steel material;Evaporator is set catalytic combustor away from one side of diffuser.Combustor and catalytic combustor between heat-resistant steel material evaporator are set, in starting stage, high-temperature flue gas heat is generated from combustor, generate larger flow water vapor, meet operating requirement;When steady operation, high-temperature flue gas can be avoided to evaporator burn;Evaporator is arranged using the cooling space between combustor and catalytic combustor, save space so that equipment integration is higher.

The utility model relates to the technical field of fuel reforming and catalytic combustion, in particular to a catalytic combustor device and an SOFC system. The catalytic burner device comprises a support body, a first heat exchange runner is arranged in the support body, at least two heat exchange laminates arranged at intervals are arranged on the support body, second heat exchange runners are arranged in the heat exchange laminates, and the second heat exchange runners communicate with the first heat exchange runner; the at least two catalytic combustion laminates are attached to the two heat exchange laminates respectively, and the two catalytic combustion laminates are located between the two heat exchange laminates; and the at least one catalytic reforming layer plate is attached between the two catalytic combustion layer plates. According to the application, catalytic combustion and catalytic reforming reaction are integrated in a stacking manner, and the heat exchange laminates are added, so that heat released by catalytic combustion can be utilized to drive the reformer to work, and a cooling heat exchange runner is used to avoid damage to parts caused by overtemperature of heat released by the reformer and a combustor during working.

The invention relates to the field of low-grade waste heat utilization, in particular to a proton exchange membrane fuel cell waste energy recovery electricity-steam combined supply system, which comprises a fuel cell unit, a heat exchange membrane fuel cell unit and a heat exchange membrane fuel cell unit, the heat pump unit is connected with the fuel cell unit; the steam flash evaporation unit is connected with the heat pump unit; the water replenishing unit is connected with the fuel cell unit and the steam flash evaporation unit; the fuel cell unit provides a heat source for the heat pump unit; the steam flash evaporation unit absorbs heat of the heat pump to produce steam; the water replenishing unit recovers air waste heat, heats and replenishes water, water absorbing the waste heat is conveyed to the heat pump unit through the steam flash evaporation unit, unburnt hydrogen tail gas heat energy is recovered through a catalytic burner, pressure energy of air tail gas is recovered through an expansion machine, and air tail gas waste heat is recovered through an air-water heat exchanger. And all complementary energy of the proton exchange membrane fuel cell is recovered, so that the energy utilization rate of the whole system is improved.

The invention discloses a fuel cell efficient thermal management system and method based on liquid fuel reforming, and the system comprises a high-level oil tank which is connected with a high-temperature oil pump through an oil outlet pipeline; the outlet end of the high-temperature oil pump is sequentially connected with an electric heater, a fuel oil heat exchanger, a catalytic combustion inlet temperature sensor, a catalytic combustor, a catalytic combustion outlet temperature sensor, a fuel cell oil way inlet temperature sensor and a high-temperature proton exchange membrane fuel cell; the rear end of the high-temperature proton exchange membrane fuel cell is connected with an oil pipe and a three-way tangential valve; and one end of the three-way tangential valve is connected with an oil outlet pipe of the high-level oil tank, and the other end of the three-way tangential valve is connected with a radiator assembly. According to the system, stable output of the fuel cell system based on liquid fuel reforming is realized; the anode tail gas is treated through the catalytic combustor, the safety and efficiency of the system are improved, and the reliability of the system under various working conditions is improved through combined heat dissipation of the catalytic combustion air pump.

The present application relates to a kind of PTA oxidation tail gas combustion purification system, including low-temperature catalytic combustor, PTA tail gas conveying device, air purification unit total air inlet control valve, purifier heating inlet pipeline, first heating gas inlet valve, first air purifier, first heating gas outlet valve, condenser, second inlet valve, second air purifier, second outlet valve, purifier outlet pipeline, PTA user interface, polyester user interface, third regulating valve, regeneration gas inlet pipeline, first regulating valve, first regeneration exhaust valve, scrubbing tower, low-pressure user interface;Heater, first air purifier and second air purifier are all sleeve type structure;The shell side of first air purifier and second air purifier is filled with filler;Low-temperature catalytic combustor includes heater and catalytic combustion reaction chamber.The present application reduces harmful and corrosive substances in tail gas, and the treated tail gas can replace nitrogen, reduces procurement cost, increases system stability.

The invention relates to a hydrogen preparation-purification system for a fuel cell, belongs to the technical field of hydrogen preparation and storage, and solves the problems of low hydrogen yield, poor purification effect, low energy efficiency and high control difficulty of methanol reforming hydrogen-containing gas in the prior art. The system comprises a raw material supply module, a hot box module, a PROX purification module, an air module and a flue gas treatment module, the hot box module comprises a high-temperature heat preservation box, a catalytic burner, a reformer and a selective methanation purifier, wherein the catalytic burner, the reformer and the selective methanation purifier are arranged in the high-temperature heat preservation box. According to the system, due to arrangement of all working sections, the hydrogen quality is improved, the temperature is ranked from high to low, and the system energy is fully utilized by utilizing the relationship between the temperature and heat exchange; methanol and water are independently input, the proportion of methanol used for combustion and reforming is adjusted in real time, the temperature of reforming and CO methanation purification is controlled through combustion heat, the concentration of a methanol solution can be adjusted at any time, the methanol reforming hydrogen yield is jointly increased to 90%, the CO concentration is reduced to 0.2 ppm or below, the energy efficiency is improved, and the system control difficulty is reduced.

The invention belongs to the technical field of hydrogen energy storage application and heat energy utilization, and particularly relates to a heat energy utilization system based on a hydrogen injection type catalytic combustor, which can realize reliable and stable catalytic combustion under different hydrogen proportions, can efficiently recycle heat, and is energy-saving and environment-friendly. The system comprises an air and hydrogen inlet system, an ejector, a premixing catalytic combustor and a heat utilization device, hydrogen of different proportions can be ejected from a low-pressure hydrogen storage tank through the ejector, then the hydrogen is fully premixed with air, then the hydrogen is combusted in the premixing catalytic combustor with periodically switched flow directions, and the heat utilization device is used for heat utilization. Heat accumulators are arranged at the two ends in the catalytic burner, and a plurality of partition plates and catalyst layers are arranged in the middle; first-stage heat exchangers are arranged inside and outside the catalytic burner, a second-stage heat exchanger is arranged at the tail of the system, namely the lower end of the catalytic burner, and efficient stepped utilization of heat energy can be achieved. The whole system has the advantages of high hydrogen combustion efficiency and high energy utilization rate.

1. Name of the designed product: catalytic combustor (CO2 KL). 2. Use of the designed product: catalytic combustor for burning exhaust gas. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention discloses a fuel cell and heat pump combined power generation and heat production system, which comprises a fuel cell provided with a hydrogen flow channel, an air flow channel, a cooling liquid flow channel and a first air inlet pipe, and the air outlet end of the first air inlet pipe is communicated with the inlet end of the hydrogen flow channel; the condenser is provided with a third flow channel and a fourth flow channel; the gas inlet end of the hydrogen catalytic burner is communicated with the gas inlet end of the first gas inlet pipe through a first branch pipe; the first heat exchanger comprises a first channel and a second channel, one end of the first channel communicates with the outlet end of the hydrogen catalytic burner, the second channel is connected to a water inlet pipe in series, and the other end of the water inlet pipe communicates with the liquid inlet end of the fourth flow channel; and the second heat exchanger comprises a third channel and a fourth channel, one end of the third channel communicates with the outlet end of the hydrogen catalytic burner, and the inlet end of the fourth channel communicates with the outlet end of the fourth flow channel. According to the fuel cell and heat pump combined power generation and heat production system, the heat production ratio range of the fuel cell and heat pump combined system is widened.

The application relates to a sealing structure for preventing the exhaust end of an SOFC system, and relates to the technical field of SOFC systems.The sealing structure comprises a ceramic frame connected between an electric pile and a catalytic combustor, and is characterized in that the sealing structure further comprises: a protective cover which surrounds the electric pile and is fixedly connected with the outer walls of the two sides of the catalytic combustor, a filling cavity being formed between the protective cover and the outer walls of the electric pile and the catalytic combustor; ceramic fiber cotton which is filled in the filling cavity; and a support and barrier assembly which is arranged in the filling cavity, the protective cover being wrapped on the support and barrier assembly, the support and barrier assembly being used for supporting the protective cover and blocking the fuel gas in the filling cavity. The exhaust end of the electric pile is first physically surrounded by the protective cover, and the ceramic fiber cotton is filled in the filling cavity, so that the ceramic fiber cotton can adsorb and block the trace leakage fuel gas, the support and barrier assembly supports the protection, and when the fuel gas collides with the support and barrier assembly, the support and barrier assembly can also play a blocking role, the sealing effect is remarkably improved, and fuel gas leakage is avoided.

The utility model discloses a catalytic waste gas treater for waste gas treatment, which comprises a water tank, a filter tank and a catalytic burner, a plurality of support rods are arranged in the water tank, a plurality of triangular slag collecting strips are connected onto the support rods, the filter tank is cylindrical and is communicated with the water tank, a tank door is rotatably mounted on the filter tank, and the catalytic burner is arranged on the filter tank. A tubular filter is mounted in the filter box, and the catalytic burner is communicated with the filter box; waste gas is firstly introduced into the water tank, dust particles are captured by water, the content of the dust particles in the waste gas is reduced, the water and the dust particles can be quickly discharged by opening the blow-down valve, the water is added by opening the water replenishing valve, the dust particles are convenient to treat, the waste gas is filtered for the second time by the tubular filter, and a large number of dust particles can be prevented from being filtered by the tubular filter. The replacement period of the tubular filter is effectively prolonged, the shutdown maintenance time is reduced, and continuous and stable operation of the filter box is guaranteed.

The utility model discloses a device for recovering and purifying nitrogen from hydrocarbon-containing nitrogen tail gas, which comprises a catalytic burner additionally provided with a heat exchanger, a water cooler, a separation tank and a PSA (Pressure Swing Adsorption) device, the catalytic burner is provided with a tail gas inlet, an air inlet and a tail gas outlet, and the tail gas outlet is connected to the tail gas inlet of the water cooler; a tail gas outlet of the water cooler is connected with a tail gas inlet of the separation tank, a tail gas outlet of the separation tank is connected with a tail gas inlet of the PSA device, and the PSA device is provided with a nitrogen outlet and a tail gas outlet. According to the utility model, the hydrocarbon-containing nitrogen is subjected to catalytic oxidation, hydrocarbons are converted into CO2 and H2O, and CO2 and H2O are removed through a subsequent process, so that nitrogen with the purity of more than or equal to 99.9% can be obtained and recycled, and the device has good economical efficiency while being environment-friendly.

The invention relates to the technical field of fuel cells, in particular to a fuel cell system with stable high thermal balance and a working method thereof. The fuel cell system comprises an electric pile, a catalytic burner, a chromium absorption device and a temperature regulator; the chromium absorption device is arranged between the electric pile and the catalytic burner and is used for absorbing chromium elements in the air; tail gas of the catalytic combustor sequentially enters the temperature regulator and the chromium absorption device, and the temperature regulator is used for regulating the working temperature of the chromium absorption device. The battery system is provided with an air side, bypass air is separated from the air side, and the bypass air enters the temperature regulator and exchanges heat with tail gas of the combustor. According to the invention, the Cr element in the air is absorbed by the chromium absorption device, and the influence of poisoning of the catalyst is reduced, so that the fuel conversion efficiency is improved, the system life is prolonged, and the environmental pollution is reduced.

This invention discloses a combustion heat exchange assembly and a gas combustion device having the same. The combustion heat exchange assembly includes a heat exchange chamber, a heat exchanger, and a catalytic burner. The heat exchange chamber has an inlet side and an outlet side. The heat exchanger is disposed within the heat exchange chamber, and the catalytic burner is disposed within the heat exchange chamber and utilizes the heat generated by catalytic combustion to radiate heat to the heat exchanger. The catalytic burner includes a carrier, on which a catalyst is disposed. The catalyst is coated on the surface of the carrier in a manner that does not completely cover the carrier. According to the combustion heat exchange assembly of this invention, by coating the surface of the carrier with the catalyst in a manner that does not completely cover the carrier, not only can the amount of catalyst used be effectively reduced, thereby significantly reducing the cost of the catalytic burner, but the effect of the catalyst can also be maximized, ensuring that the catalytic burner can perform normal catalytic combustion, thus ensuring the normal operation of the combustion heat exchange assembly.

The utility model provides a tail gas connecting device of an SOFC (Solid Oxide Fuel Cell) system, and belongs to the field of fuel cells. The device comprises a galvanic pile and a catalytic burner, one side of the galvanic pile is connected with the catalytic burner, the galvanic pile comprises a plurality of bipolar plates which are horizontally stacked, a plurality of combustion holes which are longitudinally arranged at intervals are formed in the side, close to the galvanic pile, of the catalytic burner, and the combustion holes are matched with the bipolar plates in an inserted mode respectively. By adopting the tail gas connecting device of the SOFC system provided by the embodiment of the utility model, the problem of low fuel utilization rate in the prior art can be solved.

The energy generation system (1) includes a catalytic burner (40) for generating thermal energy, an insulated container (32) surrounding the catalytic burner (40), and a fuel cell, wherein waste heat from the fuel cell can be supplied to the catalytic burner (40) and / or the insulated container (32), and the catalytic burner (40) includes a catalytic coil including a coil-shaped fluid flow path for flowing a fuel mixture and a catalytic surface extending along at least a portion of the coil-shaped fluid flow path.

The utility model relates to the technical field of waste gas catalytic combustion treatment equipment, and discloses waste gas catalytic combustion treatment equipment which comprises a supporting leg, a catalytic combustor body is installed on the surface of the supporting leg, a gas inlet pipe is communicated with the surface of the catalytic combustor body, an exhaust pipe is communicated with the surface of the catalytic combustor body, and a gas outlet pipe is communicated with the exhaust pipe. The waste gas catalytic combustion treatment equipment comprises an exhaust pipe, the exhaust pipe is in a T shape, a recycling structure is arranged on the surface of the exhaust pipe and comprises two recycling bins, the two recycling bins communicate with the two ends of the exhaust pipe correspondingly, the surfaces of the recycling bins communicate with gas outlet pipes, and a plurality of recycling pipes are fixedly connected to the inner walls of the recycling bins. By arranging the recycling structure, heat of high-temperature waste gas is transmitted to water in the recycling pipe, the water is heated, waste heat recycling is achieved, the heated water can be used for other production links or life purposes, the energy utilization efficiency is improved, and heat energy waste is reduced.

This invention discloses a high-precision proportioning system and control method for dissolving and mixing silane mixtures, relating to the field of mixing equipment technology. The system includes a raw material storage module consisting of three stainless steel tanks for storing silane, diluent gas, and solvent respectively, with passivated inner walls and insulated outer walls; a precision metering module equipped with a plunger pump and a mass flow meter for real-time flow feedback; a dissolution and mixing module, a double-jacketed tank with atomizing nozzles and a double-layered oblique-blade counter-current stirring impeller; a temperature and pressure control module including a jacket temperature controller and a tank top pressure relief valve; a concentration monitoring module equipped with an online laser Raman spectrometer; a tail gas treatment module consisting of an adsorption tower and a catalytic burner; and a central control module using a PLC and touchscreen to achieve fully automated control of the entire process. All modules work together to prepare the mixed gas. This invention improves the proportioning accuracy and dissolution efficiency of the silane mixture, stabilizes concentration drift, and provides environmentally friendly tail gas treatment; it is adaptable to high-precision requirements in various scenarios, providing stable raw materials for downstream processes.

The utility model relates to the technical field of solid oxide fuel cells, in particular to a solid oxide fuel cell (SOFC) system which comprises an anode gas inlet system, a cathode gas inlet system, a catalytic burner and a heat exchanger, a reformer and an electric pile are arranged in the catalytic burner, the reformer is connected with an anode of the electric pile, and the cathode gas inlet system is connected with a cathode of the electric pile. The anode gas inlet system comprises a gas pipeline, an anode air pipeline and a mixing cavity, the gas pipeline and the anode air pipeline are respectively connected with the mixing cavity, the mixing cavity is connected with the reformer, a gas outlet of the catalytic burner is connected with the heat exchanger, and the cathode gas inlet system is connected with a cathode of the electric pile through the heat exchanger. The utility model has the advantages of short starting time and simple integral structure.

The application relates to the technical field of a multi-porous catalytic combustor, in particular to a processing technology of a multi-porous catalytic combustor and a catalyst coating device thereof. The processing technology of the multi-porous catalytic combustor comprises the following steps: raw material preparation, mixing, forming, drying, pre-burning, re-forming, sintering, catalyst coating, drying and solidification, surface treatment, inspection and testing. The application has the following effects: the pre-burning removes the additives and the binder, and enhances the structural stability of the ceramic; the ceramic can obtain a final shape with a multi-porous structure, to a certain extent, guarantee the compactness and the mechanical strength of the ceramic, and improve the finished product quality of the processed multi-porous catalytic combustor.

The utility model discloses a catalytic burner for organic matters in a solar photovoltaic panel, which comprises a bottom plate, and the top of the bottom plate is fixedly connected with a pyrolyzing furnace body; the oxygen limiting mechanism comprises a nitrogen cylinder, a barometer, an air supply pipe, an air inlet assembly and an air outlet assembly; the nitrogen cylinder is fixed to the bottom plate, the barometer is fixed to a gas outlet of the nitrogen cylinder, one end of the gas supply pipe is fixedly connected with the end of the nitrogen cylinder, the other end of the gas supply pipe penetrates through the side wall of the pyrolyzing furnace body and is fixedly connected with the pyrolyzing furnace body, and the gas inlet assembly is fixed to one side of the lower end of the side wall of the pyrolyzing furnace body. And the gas outlet assembly is fixed on the other side of the lower end of the side wall of the pyrolyzing furnace body. The oxygen concentration in the pyrolyzing furnace body is kept in an anoxic state all the time, organic matter is decomposed and combusted to generate carbon black, combustible gas can be collected, and meanwhile poisonous gas is prevented from leaking into air.

A process for producing electrical energy from an oxygenated carbon fuel, employing a reforming reactor (34) and a solid oxide fuel cell (SOFC) (40) comprising an anode (40a), a cathode (40c), and a stack (40b) between said anode (40a) and said cathode (40c), comprising the steps of: - reforming said oxygenated carbon fuel and water in the reforming reactor (34) to produce synthesis gas, - injecting the synthesis gas into the anode (40a) and combustion air into the cathode (40c) respectively, to react said synthesis gas with said air, in order to generate an electrical voltage between the anode (40a) and the cathode (40c), - recirculating the unreacted synthesis gas from the SOFC (40) into the catalytic burner (33) to provide the heat required for the next step. reforming in the reforming reactor (34), - heating the synthesis gas to be injected into the anode (40a),In order to reach a predetermined temperature level, the variation between the pressure inside the cathode (40c) and the anode (40a) is regulated within a predetermined pressure variation range. Figure 1,

The present invention relates to a solid oxide fuel cell system comprising a catalytic burner having a heat exchanger structure, comprising: a multifunctional catalytic burner having a heat exchanger structure, the temperature of the air supplied from the air supply part is raised by using the stack air electrode tail gas discharged from the fuel cell stack and the fuel tail gas of a second exhaust pipeline branched after flowing through the heat exchanger as heat sources, and the air is supplied to the multifunctional steam reformer. Thus, all heat generated by gas flow of the air electrode and the fuel electrode of the stack can be used as a heat source, and heat transfer efficiency can be maximized.