582 results about "Catalytic combustion" patented technology

The invention discloses a self-adaptive calibration system and method for a combustible gas sensor. The self-adaptive calibration system and method are suitable for a catalytic combustion type combustible gas sensor. The system comprises a basic calibration unit, a real-time monitoring unit, a drift detection and compensation unit and an output adjustment unit. The basic calibration unit is used for carrying out basic calibration on the sensor and determining an initial sensitivity coefficient, zero offset and response time of the sensor; the real-time monitoring unit is used for monitoring real-time parameters of the sensor under different environmental conditions; the drift detection and compensation unit is used for establishing a sensor performance parameter drift model and calculating a calibration compensation coefficient; the output adjusting unit is used for adjusting the voltage output value of the sensor in real time according to the calibration compensation coefficient; the method can adapt to environment change for real-time calibration, effectively compensates sensor drift, improves measurement precision and reliability, prolongs the service life of the sensor, reduces maintenance cost, and improves system safety.

The invention belongs to the technical field of catalytic oxidation of carbon-containing industrial waste gas, and particularly relates to a Pd catalyst for catalytic combustion of carbon-containing waste gas as well as a preparation method and application of the Pd catalyst. The invention provides a Pd catalyst for catalytic oxidation of carbon-containing industrial waste gas such as CO and volatile organic pollutants VOCs. The Pd catalyst is obtained by compounding an amorphous CeO2 nano-cluster with a TiO2 substrate (marked as cCeO2 / TiO2) and indirectly regulating the form of Pd through gradient regulation of the content of the amorphous CeO2 nano-cluster by a sol-gel method on the basis of strong interaction of Pd and Ce species. The Pd catalyst prepared by the invention shows excellent low ignition temperature, high performance and certain universality in the catalytic combustion process of carbon-containing industrial waste gases such as CO and low-chain VOCs (Volatile Organic Compounds). In addition, the method for preparing the Pd catalyst is simple to operate and mild in condition, and has great industrial application potential and value.

The invention discloses activated carbon adsorption and desorption catalytic combustion equipment, and belongs to the field of waste gas treatment. The activated carbon adsorption and desorption catalytic combustion equipment comprises a spray tower, a dry filter, a catalytic combustion furnace, a heat exchange mechanism, an exhaust fan and a discharge pipe, an air inlet pipe is arranged at the air inlet end of the spray tower, and a first connecting pipe is arranged between the air outlet end of the spray tower and the air inlet end of the dry filter; the air inlet end of the air exhaust fan is provided with an air exhaust pipe, and the air exhaust end of the dry filter is provided with a second connecting pipe; the first gas inlet pipe is arranged at one end of the adsorption tower, and the first gas inlet pipe is communicated with the second connecting pipe; the catalytic efficiency of desorbed organic matters is effectively improved, meanwhile, small-particle dust is effectively prevented from being attached to the main activated carbon plate to affect the adsorption effect and the desorption effect, and waste gas is effectively prevented from being exhausted into the atmosphere to pollute the air.

The invention discloses an indoor gas leakage monitoring and intelligent joint control system, and belongs to the technical field of intelligent safety monitoring systems. Comprising a sensing layer, a network layer, a control layer and a platform layer, the sensing layer comprises a multi-sensor array and an edge computing node, the multi-sensor array is combined with a catalytic combustion sensor, an infrared sensor, a semiconductor sensor and a temperature and humidity sensor, and sensor data are fused through a weighting algorithm so as to reduce the false alarm rate; a temperature and humidity sensor dynamically adjusts a detection threshold value to adapt to different climate conditions, and an edge computing node is deployed with a lightweight machine learning model. Through multi-sensor data fusion and a weighting algorithm, the false alarm rate is reduced to be smaller than 0.1% per year, environment self-adaptive calibration and AI auxiliary decision making are performed, interference of alcohol, perfume and the like is effectively eliminated, different climate conditions are adapted, leakage judgment is completed at an equipment end through edge calculation, cloud delay is avoided, a multi-stage emergency strategy is provided, and intelligent safe ecology driven by the Internet of Things is constructed.

The invention provides a cerium oxide photo-thermal synergistic catalytic material loaded with a metal promoter as well as a preparation method and application of the cerium oxide photo-thermal synergistic catalytic material. The cerium oxide photo-thermal synergistic catalytic material loaded with the metal promoter comprises a cerium oxide nanocrystal and the metal promoter loaded on the surface of the cerium oxide nanocrystal, the exposed crystal face of the cerium oxide nanocrystal comprises a {111} crystal face, and the area of the {111} crystal face accounts for more than 50% of the total area of the outer surface of the crystal face; the mass fraction of the metal cocatalyst is 0.1-2wt% of the mass of the cerium oxide. The catalytic material provided by the invention takes cerium oxide with a {111} crystal face as an exposed special crystal face as a carrier, photons can be captured and charges can be separated more efficiently, and phonons further promote deep trap state charge release. Meanwhile, the metal additive is added and cooperates with cerium oxide with exposed special crystal faces for catalysis, so that the catalytic effect is remarkably improved, and efficient catalytic combustion of methane is achieved under the mild condition.

The utility model discloses a flame-catalysis integrated combustor, which solves the problem that catalytic combustion and flame combustion are not integrated in the prior art, and has the beneficial effects of realizing integrated combustion and improving combustion efficiency, and the specific scheme is as follows: the flame-catalysis integrated combustor comprises a shell, one side of the shell is provided with an air inlet, and the other side of the shell is provided with an air outlet; a fuel-air mixer, a flame tube and a catalytic component are sequentially arranged in the shell from one side of the air inlet to the other side of the shell, the fuel-air mixer comprises a plurality of fuel distribution chambers which are sequentially arranged in a nested mode, and a gas circulation channel is formed between every two adjacent fuel distribution chambers; the fuel distribution chambers are provided with fuel spray holes facing the gas circulation channel, the outlet end of the fuel-air mixer is inserted into the flame tube, the flame tube comprises a shell, the shell and the shell are arranged at an interval, and the catalytic component is fixed to the end, away from the fuel-air mixer, of the shell of the flame tube.

The invention discloses a flue gas treatment system and a flue gas treatment process, and relates to the field of flue gas treatment.The flue gas treatment system comprises (a) a cooling and washing device (2) used for cooling and washing flue gas so as to dehumidify the flue gas, and (b) a flue gas treatment device (3) used for cooling and washing the flue gas, (b) the deoxidizing device (3) is used for deoxidizing the flue gas from the cooling and washing device (2); (c) a catalytic combustion subsystem (4) for combusting carbon monoxide in the flue gas from the deoxidizing device (3); and (d) a waste heat recovery subsystem (5) for recovering the heat of the flue gas from the catalytic combustion subsystem (4). According to the system, the heat of the flue gas can be fully recovered while the emission of pollution gas is reduced, and the comprehensive utilization of the chlorinated flue gas is realized.

The invention provides an anode tail gas recovery and tail gas combustion combined SOFC (Solid Oxide Fuel Cell) combined cooling heating and power system and method. The system comprises an SOFC power generation module, an input system and a tail gas treatment and energy recovery module, the SOFC power generation module is respectively connected or disconnected with the input system and the tail gas treatment and energy recovery module; according to the anode tail gas recovery and tail gas combustion combined SOFC combined cooling heating and power system and method, the structure of the system can be optimized, anode tail gas shunting and intelligent circulation are achieved, and catalytic combustion cooperative treatment is guaranteed; a multi-grade energy cascade recovery system is realized; and an intelligent cooperative control system is realized.

The invention discloses a VOCs emission dynamic prediction and energy-saving control system for catalytic combustion equipment in a casting workshop and a medium, the system comprises a high-frequency VOCs concentration monitoring unit which adopts TDLAS and FTIR spectrum analyzers and obtains high-precision concentration data through a data fusion algorithm, and a secondary differential signal of the TDLAS analyzer is independently extracted as a key feature; the data preprocessing and feature engineering module is used for processing multi-source data; the dynamic emission prediction module is internally provided with an attention mechanism time sequence convolutional network ATCN model, and realizes the ultra-early prediction of the emission concentration by fusing the secondary differential signal and historical data; the multi-objective optimization control module adopts a model predictive control MPC framework, the lowest comprehensive operation cost is taken as an objective, a dynamic virtual carbon penalty coefficient beta can be dynamically adjusted according to a workshop production plan, an advanced control instruction is generated through rolling optimization, and the equipment power and the fan frequency are adjusted; according to the method, ultra-early prediction, prospective control, energy conservation and consumption reduction of VOCs treatment are realized.

The invention discloses a preparation method of an adsorption material for catalytic combustion of VOCs, and belongs to the technical field of environment-friendly catalytic materials. The method comprises the following steps: mixing silica sol, kaolin and an HZSM-5 molecular sieve according to a mass ratio of 1: (0.6-0.8): (0.4-0.5), and pulping to form slurry with the solid content of 25%-40%; adding polyethylene glycol (the molecular weight is 300-600) which accounts for 1-5% of the mass of the slurry, and uniformly dispersing; dripping into an oil phase at the temperature of more than or equal to 70 DEG C through a 0.5-1 mm dropper to form a 1-2 mm gel bead; pre-drying for 2-4 hours at the temperature of 80-120 DEG C, heating to 600-750 DEG C at the speed of 3-5 DEG C / min, and roasting for 2-5 hours; and the roasted pellets, sodium metaaluminate, a guiding agent and water are subjected to dynamic crystallization according to the mass ratio of 1: (0.1-0.3): (0.05-0.15): (5-10), and finally metal is loaded. The sphericity of the carrier is gt under the synergistic effect of oil column forming and polyethylene glycol; the compressive strength is not less than 40 N; the kaolin enhances the mechanical performance, and the HZSM-5 constructs hierarchical pore channels (the pore volume is 0.3-0.5 cm / g, and the specific surface area is gt and 300 m / g), so that the VOCs adsorption capacity is improved.

The invention relates to a low-temperature-activated hydrothermal stable formaldehyde production tail gas purification catalyst and a preparation method thereof. The catalyst comprises an active component, a carrier, an active auxiliary agent and a hydrothermal stabilization auxiliary agent, wherein the active component is selected from any one or two of Pt, Pd and Ru; the carrier is active aluminum oxide, and the active auxiliary agents are La2O3 and SrO; and the hydrothermal stabilizing aid is borophosphate. The catalyst can be applied to a methanol-to-formaldehyde tail gas purification device, organic matters such as formaldehyde, methanol and dimethyl ether and CO in tail gas are simultaneously removed through catalytic combustion, and the problems that an existing catalyst is high in activation temperature and poor in hydrothermal stability are solved. After the catalyst is modified, the light-off temperature is reduced, the hydrothermal stability is obviously improved, the catalyst still has better low-temperature light-off and high-temperature activity after being aged for 15 hours at the temperature of 650 DEG C, the light-off temperature is not higher than 140 DEG C, outlet CO, methanol and formaldehyde are all smaller than 0.1 ppm, and dimethyl ether is smaller than 20 ppm.

According to the modularized self-heating ammonia decomposition hydrogen production reaction device and the ammonia decomposition hydrogen production system provided by the invention, the modularized self-heating ammonia decomposition reaction device exchanges heat with ammonia gas through high-temperature mixed gas generated by ammonia decomposition and then performs ammonia absorption treatment, so that heat is fully utilized; one part of ammonia decomposition mixed gas serves as fuel to be input into a combustion chamber for catalytic combustion, heat is provided for ammonia decomposition, and self-sufficiency of the heat is achieved; and meanwhile, the tail gas at the anode outlet of the fuel cell is partially and circularly introduced into the anode of the fuel cell, so that the energy utilization rate is increased.

The invention discloses a continuous foaming composite process for a pearl wool coiled material and a waste gas recovery system thereof, and belongs to the technical field of pearl wool processing. Aiming at the problems of low efficiency and waste gas pollution of a traditional intermittent process, the process realizes continuous production through raw material selection (the melt index of LDPE is 1.0-2.5 g / 10min), drying and mixing pretreatment, melting and plasticizing through a twin-screw extruder, injection of foaming agents such as butane under the pressure of 8-12MPa, extrusion foaming at a die head of 140-160 DEG C and combination of air-cooling and water-cooling shaping. The compounding link comprises multiple processes such as hot pressing and co-extrusion to adapt to different base materials, after-treatment is conducted through trimming, taper tension coiling and standing stress release, the product density fluctuation is + / -3%, and the peel strength is larger than or equal to 3 N / cm. According to the waste gas recovery system, negative pressure collection is conducted through a closed gas collecting hood, indirect cooling and alkali liquor spraying pretreatment are conducted, activated carbon adsorption concentration and catalytic combustion purification are conducted, the VOCs removal rate is larger than or equal to 98%, the emission concentration is smaller than or equal to 50 mg / m < 3 >, and efficient production and environmental protection benefits are achieved.

The invention discloses a compound for flue gas deoxidation and a flue gas deoxidation method, and relates to the technical field of flue gas treatment for preventing spontaneous combustion injection of residual coal in a goaf. The compound comprises coal semicoke and a composite metal oxide which are mixed, wherein the composite metal oxide comprises CoO and CuO in a mass ratio of 7: (2.5-3.5); the compound is combusted through a fixed bed, and flue gas generated by combustion is deoxidized; when the coal semicoke is used for catalytic combustion deoxidation, CoO and CuO in a certain proportion are added, so that the oxygen consumption rate is high, the CO generation amount and the CO concentration are low, the ignition point is reduced, and the comprehensive effect is good; the problem that the concentration of O2 and the concentration of CO in the flue gas are too high when the flue gas is injected into an underground goaf is solved.

The invention discloses a VOC treatment method in the process of producing a battery negative electrode material in a tunnel kiln, and belongs to the technical field of tunnel kiln VOC treatment. A VOC collection device is arranged in a heating section to capture high-concentration VOC waste gas; the waste gas is conveyed to the primary water spray tower and the secondary alkaline tower by a fan through a pipeline lined with a ceramic anti-corrosion layer; the first-stage water spray tower is used for removing large-particle dust and part of water-soluble organic matters and cooling to be less than or equal to 80 DEG C; a 5-10% NaOH solution is used for spraying in the second-stage alkaline washing tower to remove acid gas and tar substances; pretreated waste gas enters a catalytic combustion unit, after VOC concentration is diluted through an air mixing box, the waste gas is preheated through a plate heat exchanger, heated through a natural gas burner and decomposed in a catalyst fixed bed in sequence, high-temperature purified gas is exhausted after waste heat recovery, and the purified gas is guided into a chimney through an induced draft fan to be exhausted. Through the combined process of collecting, spraying and catalytic combustion, the total VOC removal rate of the process is greater than or equal to 98%.

The invention discloses a purification device for chlorotoluene production waste gas and a use method thereof, and relates to the field of purification devices.The purification device is characterized by comprising a waste gas collection unit, a pretreatment unit, an absorption unit, a catalytic combustion unit, a deep purification unit and a tail gas detection and emission unit which are sequentially communicated along a waste gas treatment path; the device has the advantages that a three-stage treatment process of the absorption unit, the catalytic combustion unit and the deep purification unit is adopted, insoluble VOCs are comprehensively covered, and it is ensured that the concentration of chlorotoluene in tail gas is reduced to 10 mg / m or below; liquid chlorotoluene is removed through a gas-liquid separator of the waste gas collecting unit, then dust is intercepted through a filtering assembly of the pretreatment unit, cooling is conducted through a cooling assembly, blockage and inactivation caused by the fact that impurities are attached to a catalyst are prevented, meanwhile, HCl is removed in advance through the absorption unit, and acid gas is prevented from corroding a combustion furnace.

The invention relates to the field of solid oxide fuel cells, and discloses an integrated catalytic combustion reformer and a reforming method. The reformer component comprises two porous partition plates fixedly arranged on the two sides of the inner shell respectively and a plurality of single-tube structures arranged in parallel, and the two ends of each single-tube structure are fixed to preformed holes of the two porous partition plates respectively; a combustion cavity is formed by gaps between all the single-tube structures and the inner shell, the interiors of the single-tube structures are coated with reforming catalysts, and the outer walls of the single-tube structures are evenly coated with combustion catalysts; the combustion cavity is used for combusting and reacting the mixed combustion gas under the action of a combustion catalyst and providing heat for all the single-tube structures; and the internal cavities of all the single-tube structures are used for absorbing heat by mixing the reformed gas and carrying out reforming reaction under the action of the reforming catalyst to obtain hydrogen-rich mixed gas. According to the catalytic combustion reformer and the reforming method, the technical problems that the energy utilization rate is low and the material cost is increased are solved.

The invention relates to the technical field of asphalt discharge control, in particular to an asphalt processing waste gas optimization treatment system based on closed circulation. The processing system comprises a data acquisition module; the data processing module is used for monitoring relevant parameters in the waste gas treatment process in real time, establishing a catalytic combustion model among reactant quantity, catalyst activity, waste gas components and temperature according to the chemical reaction principle of catalytic combustion, and calculating the reactant quantity which enables the catalytic combustion efficiency to be highest or the energy consumption to be lowest according to a particle swarm optimization algorithm; and the monitoring and control module outputs an optimal control strategy to the waste gas treatment device according to the calculation result of the data processing module, and adjusts the operation parameters of the adsorption part and the operation parameters of the catalytic combustion part. According to the asphalt processing waste gas optimization treatment system based on closed circulation, a closed circulation mode is adopted, the purification burden is reduced, the treatment efficiency is improved, and the risk of secondary pollution is reduced.

This utility model relates to the field of catalytic combustion device technology, and discloses a catalytic combustion device for industrial waste gas treatment, comprising: a catalytic combustion chamber, wherein a waste gas supply pipe is installed at the inlet end of the catalytic combustion chamber; an outlet pipe is disposed at the top outlet of the catalytic combustion chamber, a hot gas supply pipe is installed at the outlet end of the outlet pipe, a gas storage tank is installed at the outlet end of the hot gas supply pipe, and a dilution gas pipe is installed at the outlet of the gas storage tank. By mixing preheated air in the gas storage tank with high-concentration waste gas through the dilution gas pipe, the concentration of high-concentration waste gas can be reduced. Simultaneously, the air is heated, which reduces interference with the waste gas temperature and prevents high-concentration waste gas from directly entering the catalytic combustion chamber. This effectively prevents a sudden temperature rise inside the catalytic combustion chamber, avoids localized high temperatures inside the catalytic combustion chamber due to waste gas concentration approaching or exceeding the lower explosive limit, and improves the safety performance of the device.

The invention discloses an aircraft green inerting system with a water removal function. The aircraft green inerting system comprises an oil tank, a catalytic reactor, a water removal device and a control system. The system extracts oxygen and fuel oil steam in an oil tank through a first fan, the oxygen and the fuel oil steam are mixed with ram air, then the mixture is heated through an electric heater and burnt in a catalytic reactor to generate high-temperature inert gas, then the high-temperature inert gas is subjected to water removal through a first water separator, cooling through a heat exchanger, pressurization through a compressor and secondary water removal through a second water separator in sequence, and pressure reduction and temperature reduction are conducted through a cooling turbine; finally, low-temperature dry inert gas is formed and is reinjected into an oil tank through a fuel oil ejector, and the dual functions of inerting and water removal are achieved. The system monitors in real time through an oxygen concentration sensor, a temperature sensor and a flow sensor, dynamically adjusts the electric heating power and the rotating speed of a valve and a fan, and ensures safe and efficient operation. Catalytic combustion and high-pressure water removal technologies are combined, the oxygen concentration of the fuel tank and the water content of fuel are effectively reduced, and the device is energy-saving, environment-friendly, efficient in inerting and suitable for safety protection of various aircraft fuel systems.

The application provides a liquid nitrogen washing tail gas resource utilization system and method, and belongs to the technical field of tail gas treatment and energy recovery. The application uses a heat exchanger (1) to heat exchange the liquid nitrogen washing tail gas, so that the liquid nitrogen washing tail gas is combusted at a suitable working temperature of a first catalyst (3). In the application, the first catalytic combustion tower (2) is communicated with a constant temperature device, so that the temperature of the first catalytic combustion tower (2) is stably kept at 250-320 DEG C, the safety hidden danger caused by violent reaction is eliminated, and the catalyst cost is significantly reduced. Meanwhile, the steam generated after the constant temperature device is cooled can be used for enterprise heating and heating, and economic benefits are created. The application uses a second catalytic combustion tower (4) to fully catalytically oxidize the combustible gas in the first flue gas, and the generated second flue gas is partly used for heat exchange of the heat exchanger (1), and the gas after heat exchange and the other part of the second flue gas are used for heat supply of a coal mill (6), so that the heat is fully recycled and utilized.

The utility model discloses efficient energy-saving catalytic combustion equipment which comprises a plurality of inserting openings, the inserting openings are communicated with the interior of a catalytic combustion box, a fixing frame is movably inserted into the inserting openings in a sealed mode, a catalyst grid plate is detachably installed in the fixing frame, and the two side walls of the fixing frame are connected with the inner side wall of the catalytic combustion box in a sealed and sliding mode respectively. The rear side of the fixing frame abuts against a sealing plate, the two sides of the sealing plate are in sealed sliding connection with the inner side wall of the catalytic combustion box correspondingly, the two ends of the sealing plate are fixedly connected with sliding rods correspondingly, the sliding rods penetrate through the rear side wall of the catalytic combustion box in a sealed sliding mode and are fixedly connected with the rectangular plate, and the sliding rods are coaxially sleeved with compression springs. The two ends of the compression spring are fixedly connected with the rectangular plate and the side wall of the catalytic combustion box respectively, a fixing plate is fixedly installed at the front end of the fixing frame, the fixing plate is detachably connected with the front side wall of the catalytic combustion box, and a catalyst is more convenient to replace and does not need to be shut down. The method adapts to the technical field of catalytic combustion.

The application discloses a catalytic combustion heater principle prototype, which comprises an air tank, a methane tank, a mixed gas tank and a combustion chamber, the air tank is connected with the mixed gas tank through a connecting pipeline, the gas outlet of the mixed gas tank is connected with the methane tank and the combustion chamber through two connecting pipelines respectively, the top of the combustion chamber is provided with a mixed gas inlet, and a blower is arranged outside the combustion chamber, the application simulates the operation state of the underground catalytic combustion heater, high-temperature tail gas released by catalytic combustion mixed gas is used for heating oil shale layers, so that the oil shale is pyrolyzed to obtain the purpose of exploiting oil and gas, the simulation reference result of the experimental prototype can be understood as the actual operation result, the application not only reduces the exploitation cost of the oil shale in-situ conversion exploitation, but also improves the oil and gas exploitation efficiency, reduces the exploitation cost and reduces the harm of the toxic tail gas generated by incomplete combustion to animals, plants and the environment caused by direct release of the toxic tail gas into the atmosphere.

Apparatus and methods for measuring the efficiency of a thermal catalytic combustion unit. An example method provides a thermal catalytic combustion unit, a drying unit fluidically connected to the thermal catalytic combustion unit and configured to be downstream of the thermal catalytic combustion unit, and a sensor fluidically connected to the thermal catalytic combustion unit and configured to be downstream of the thermal catalytic combustion unit. The method further includes flowing a formation fluid sample through the thermal catalytic combustion unit, flowing a formation fluid sample through the drying unit, and sensing the formation fluid sample with the sensor after the formation fluid sample has flowed through the thermal catalytic combustion unit. The sensing detects the presence of a hydrocarbon and / or carbon monoxide in the formation fluid sample.

The invention belongs to the field of catalysts, and particularly relates to a supported foam nickel catalyst for catalytic combustion of low-carbon alkane and aromatic hydrocarbon and a preparation method of the supported foam nickel catalyst. According to the invention, the strong oxidizing property of the acidic potassium permanganate is utilized to etch the foamed nickel, the capacity of the carrier for supporting the active component is improved, the non-noble metal active component is introduced through a simple impregnation method, the method has the advantages of simple operation, low preparation cost, high universality and the like, and the problems of low introduction amount of the active component, poor catalytic activity and the like of the foamed nickel catalyst are solved. The catalyst disclosed by the invention not only can be used for catalytic combustion of low-carbon alkane such as ethane and propane, but also can be used for catalytic combustion of other non-low-carbon alkane VOCs (Volatile Organic Compounds), and has a good application prospect.

The invention discloses a sebacic acid production wastewater treatment and recycling process which comprises the following steps: a heat pump evaporation system comprises an evaporator, a compressor, a circulating pump and a heating heat exchanger, sebacic acid production wastewater is efficiently desalted through the heat pump evaporation system, and obtained steam enters a catalytic combustion device for catalytic combustion reaction; the final effluent is reused for an evaporation process and a crude sebacic acid washing process in the production process. Low-level heat energy of the system is recovered through the heat pump technology, evaporation energy consumption is remarkably reduced, gas-phase oxidation removal of organic matter is achieved through catalytic combustion, and secondary pollution is avoided; meanwhile, closed-loop recycling of wastewater is achieved, fresh water consumption and wastewater discharge are greatly reduced, and the comprehensive advantages of being low in operation cost, high in treatment efficiency, high in environmental friendliness and the like are achieved.

The invention relates to a cold start method suitable for a liquid fuel reforming hydrogen production gasification reactor, which comprises the following steps: reacting a reduced metal catalyst in the gasification reactor with air entering the gasification reactor to release heat at ambient temperature; when the temperature in the gasification reactor is raised to the gasification temperature of the low-boiling-point liquid due to heat release, the low-boiling-point liquid enters the gasification reactor and is gasified; the gasified low-boiling-point liquid and air entering the gasification reactor are subjected to catalytic combustion reaction and heat release; when the temperature of the gasification reactor rises to the gasification temperature of the reforming hydrogen production liquid fuel due to heat release, the reforming hydrogen production liquid fuel enters the gasification reactor for liquid gasification, and the gasified liquid fuel is used for reforming hydrogen production reaction. The method basically consumes no electric energy and is low in energy consumption; liquid fuel gasification is carried out through chemical reaction heat release, and the advantages of large heat release amount, short gasification time and the like are achieved; air and methanol are used in the gasification process, and cost is low.

The application provides an industrial tail gas carbon monoxide catalytic conversion device, and belongs to the technical field of industrial tail gas treatment.The device comprises a catalytic conversion tank, a plurality of layers of catalytic carriers are arranged in the catalytic conversion tank, the catalytic carriers have radial honeycomb channels and axial honeycomb channels, the inner walls of the radial honeycomb channels and the axial honeycomb channels are coated with a catalyst coating for catalytically converting carbon monoxide into carbon dioxide, a flow guide is connected to each layer of catalytic carriers, a flow guide channel is formed between the inner annular surface and the bottom surface of the catalytic carrier, the flow guide channel is communicated with the radial honeycomb channels and the axial honeycomb channels and forms a gas flow path of the catalytic carrier, the peripheral wall of the catalytic conversion tank is provided with a plurality of gas inlet rings, and the gas flow paths of the layers of catalytic carriers are sequentially connected in series from bottom to top through the gas inlet rings.The industrial tail gas carbon monoxide catalytic conversion device can avoid the high energy consumption problem of catalytic combustion treatment of carbon monoxide tail gas and reduce the cost of industrial tail gas treatment.

The invention belongs to the technical field of fuel cells, and particularly relates to a catalytic combustion reaction and heat exchange integrated device and an operation method. Comprising a catalytic combustion reaction cavity, a fuel cell stack, a combustion tail gas heat exchange cavity, a water preheating cavity, a stack heat exchange medium cavity and a plate-fin heat exchanger, the fuel cell stack is sequentially connected with the catalytic combustion reaction cavity and the combustion tail gas heat exchange cavity, and tail gas is subjected to catalytic combustion reaction through the catalytic combustion reaction cavity; the plate-fin heat exchanger is arranged in the catalytic combustion reaction cavity, the water preheating cavity is arranged in the combustion tail gas heat exchange cavity and is connected with the plate-fin heat exchanger through a feed liquid pipeline, and feed liquid in the plate-fin heat exchanger is secondarily preheated in the combustion tail gas heat exchange cavity; and the electric pile heat exchange medium cavity is arranged on the outer side of the combustion tail gas heat exchange cavity and is connected with the fuel cell electric pile. The catalytic combustion reaction and heat exchange are integrally designed, the structure is simple, the cost is low, the reforming hydrogen production tail gas can be effectively treated, and combustibles can be effectively removed.

The application belongs to the technical field of fuel cells, and particularly relates to a modular high-efficiency hydrogen production fuel processor and application. The processor comprises a combustion chamber module and a plurality of series or parallel reforming chamber modules; the reforming chamber module comprises a combustion tail gas chamber and a reforming cavity with a wave-shaped structure arranged in the combustion tail gas chamber; the combustion tail gas chamber is connected with the combustion chamber module, and combustion tail gas generated by catalytic combustion reaction of the combustion chamber module enters the combustion tail gas chamber to provide heat for the reforming cavity. The application has a highly compact structure, low manufacturing cost and high thermal efficiency, and simultaneously solves the problem of easy gas short circuit in the reforming chamber, is beneficial to the improvement of the volume specific power of the fuel cell system, and facilitates the enlargement of the equipment.