45 results about "Catalytic burner" patented technology

The invention discloses a gas-heat-electricity balance management and control method and system for a kilowatt-level SOFC (solid oxide fuel cell) cogeneration system, and belongs to the field of solid oxide fuel cells. The method comprises the following steps: setting initial operation parameters according to structure parameters and design working conditions of an SOFC electric pile, a heat exchanger, a reformer and a catalytic burner; a module start-stop coordination instruction is generated through the integrated controller, and temperature and pressure changes of all the modules in the start-stop process are controlled; system operation data are monitored in real time through a sensor, real-time diagnosis is conducted through a multi-dimensional data fusion algorithm, and abnormal states such as over-burning, over-air and temperature runaway are recognized; and according to the diagnosis result, the fuel flow, the air flow, the heat exchange power and the like are adjusted through a multivariable dynamic regulation and control strategy, so that reactor temperature fluctuation is controlled, and a temperature runaway early warning signal is generated. According to the method, the overall stability and efficiency of the SOFC combined heat and power system are improved by optimizing gas-heat-power balance management and control.

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 waste gas treatment, and particularly discloses an environment-friendly catalytic combustion line which comprises an adsorption box, a main fan, a discharger and a first pipeline used for communicating the adsorption box, the main fan and the discharger. The gas treated by the adsorption box is driven by the wind power of the main fan to enter the discharger through the first pipeline to be discharged; the system further comprises a catalytic burner, a desorption fan, a second pipeline and a third pipeline, the second pipeline is used for communicating the catalytic burner, the desorption fan and the adsorption box, and the third pipeline is used for communicating the desorption fan and the discharger; after the adsorption of the adsorbent in the adsorption box is full, the adsorption box is driven by the wind power of a desorption fan to desorb, the desorbed waste gas enters a catalytic combustor through a second pipeline to be subjected to catalytic combustion, and the gas purified by catalytic combustion enters a discharger through a third pipeline to be discharged; all the mechanisms are reasonably arranged, so that the efficient and low-energy effects of the catalytic combustion line can be better achieved.

The invention discloses a rapid low-temperature cold starting device for a multifunctional hydrogen fuel cell. The rapid low-temperature cold starting device comprises a fuel cell system, an emergency emptying part, a hydrogen discharging part and a catalytic combustion purification treatment device, the hydrogen discharging part stabilizes pulse hydrogen through a buffer tank, and the pulse hydrogen is mixed with air and then enters a purification inner core of a catalytic burner for reaction; a heat exchange cavity is arranged outside the catalytic burner and communicated with a fuel cell cooling water path, and cooling water is heated by reaction heat and circulated to the electric pile. The control method comprises the following steps: when the pile temperature is detected to be less than 0 DEG C, starting to mix hydrogen and air to enter the catalytic burner, heating cooling water until the pile is greater than or equal to 0 DEG C, and quitting cold start. The fuel cell can be quickly started at-30 DEG C, the membrane electrode is prevented from being damaged by ice blockage, and the energy efficiency and safety of the system are improved.

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 utility model discloses a rotary core catalysis type combustor. Comprising an air cylinder, an air inlet pipe, a ventilation device, an electric top cylinder and a cyclone device, wherein the air cylinder is fixedly arranged on a bracket, and one side of the air cylinder is communicated with a negative pressure air door; the air inlet pipe is inserted into the other side of the air cylinder; the ventilation device is communicated with the insertion end of the air inlet pipe; one side of the cyclone device is connected with the pneumatic motor, and the other side of the cyclone device is communicated with the inflator; an adjusting mechanism used for adjusting the flame spraying angle is arranged on the outer side of the air cylinder. The transmission shaft not only can transmit gas, but also can be driven to move horizontally so as to control the gas displacement, can drive the cyclone device to rotate so as to fully mix the gas and air, achieves the required combustion mixing ratio and flame combustion form, and is simple and compact in structure, convenient to operate and low in cost. The air exhausted by the pneumatic motor is fully utilized, and the air consumption is compensated by the negative pressure air door, so that the cost is saved, and the use stability of jet flame is improved.

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 relates to a catalytic burner device for an SOFC (Solid Oxide Fuel Cell), which comprises an electric pile body, a gas inlet, a gas outlet, a gas inlet, a gas outlet and a gas outlet, one end of the combustor body is provided with a mixed gas inlet, and the mixed gas inlet faces the reaction gas outlet of the electric pile body; the gasket assembly is connected with the reaction gas outlet and the mixed gas inlet in a sealing manner, and a cavity for accommodating a mixing device is formed in the gasket assembly; and the locking mechanism is connected with the electric pile body and the burner body. By arranging the gasket assembly and the locking mechanism between the galvanic pile and the combustor, the thickness of the gasket assembly and the locking position of the locking mechanism can be adjusted to change the distance between the galvanic pile and the combustor, so that mixing devices with different specifications and sizes can be conveniently replaced and arranged in the gasket assembly, and the performance detection and optimization efficiency is improved; and the repeated processing cost of the test tool is reduced.

The invention relates to a solid oxide fuel cell system and a production process thereof, which are characterized in that an anode gas inlet assembly and a steam gas inlet assembly are connected into a reformer together and then are connected into an anode inlet of a solid oxide fuel cell, and a cathode gas inlet assembly is connected into a cathode inlet of the solid oxide fuel cell; a waste gas pipe of the solid oxide fuel cell is connected into the catalytic burner; the anode gas inlet assembly comprises a natural gas pipeline, a first flow meter, a desulfurizer and a deoxidation device which are connected in sequence, the deoxidation device is connected into the reformer, the steam gas inlet assembly comprises a water inlet pipeline and a steam generator which are connected in sequence, and the steam generator is connected into the joint between the deoxidation device and the reformer. Compared with a conventional system, the deoxidizing device is additionally arranged in the system, after oxygen-containing natural gas flows through the deoxidizing device, a molecular sieve in the deoxidizing device can adsorb oxygen in the natural gas at the room temperature, a reforming catalyst is prevented from being inactivated or damaged and pulverized, the fuel flexibility of the system is enhanced, and the system stability is improved.

The utility model discloses an organic waste gas catalytic combustor, which relates to the technical field of organic waste gas treatment and comprises a combustion furnace main body, a gas outlet pipe and a gas inlet pipe are arranged on the combustion furnace main body, two groups of rear barrier strips are mounted on the inner wall of the gas inlet pipe, a fixed round frame is arranged at the outer ends of the two groups of rear barrier strips, and a filter screen is connected in the fixed round frame. A fixing box is installed on one face of the fixing round frame, a battery pack and a servo motor are arranged in the fixing box, the output end of the servo motor is connected with a cleaning scraper blade, penetrating openings are formed in the two side walls of the air inlet pipe, U-shaped frames are connected to the outer walls of the two sides of the air inlet pipe, and limiting parts for limiting the fixing round frame are arranged in the U-shaped frames. Impurities blocked on the filter screen can be cleaned in real time through rotation of the cleaning scraping plate, the impurities can be cleaned in real time while entering of organic waste gas is not affected, the working efficiency of the organic waste gas catalytic burner is guaranteed, rapid disassembly and assembly of the fixed round frame and the gas inlet pipe are achieved, early-stage installation and later-stage maintenance are facilitated, and the working efficiency is improved.

An energy generation system (1) comprises: a catalytic burner (40) for generating thermal energy; a thermally insulating container (32), wherein the thermally insulating container (32) surrounds the catalytic burner (40); and a fuel cell, wherein waste heat from the fuel cell may be provided to the catalytic burner (40) and / or the thermally insulated container (32); wherein the catalytic burner (40) comprises a catalytic coil comprising a coil-shaped fluid flow path for the flow of a fuel mixture and a catalytic surface extending along at least a portion of the coil-shaped fluid flow path.

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.

INSTALLATION FOR TREATING A HYDROGEN GAS STREAM BY STAGED CATALITIC COMBUSTION E Installation (14) for treating a gas stream (16) comprising successive stages (26, 28, 30) adapted to burn hydrogen from the gas stream, each of the stages (26, 28, 30) comprising: - a source (38, 40, 42) of a gaseous oxidant stream, - a catalytic burner (50, 52, 54) adapted to admit an inlet stream (56, 58, 60), the oxidant stream, and to produce a flue gas stream (62, 64, 66), - an exchanger (68, 70, 72) for cooling the flue gas stream and obtaining an outlet stream (74, 76, 78). The inlet stream of a first stage comprises the gas stream to be treated, the inlet stream of each of the other stages comprising the outlet stream of the previous stage. In the stages, except the last, the catalytic burner burns only a fraction of the hydrogen present in the inlet stream, the outlet stream still comprising hydrogen.The installation produces at least one water flow (18) from the outlet flow of at least one of the stages. Figure for abstract: Figure 2.

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 present invention provides a molten carbonate fuel cell power generation system and method, which belongs to the field of low-carbon and zero-carbon emission power generation and overcomes the high CO2 emissions problem of power generation systems in the prior art. The molten carbonate fuel cell power generation system of the present invention includes a hydrogen production device, a CO2 capture device, an MCFC power generation unit, and a catalytic combustor. The hydrogen production device includes a power generation device and an electrolytic cell, the electrolytic cell being provided with an H2 outlet and an O2 outlet. The anode inlet of the MCFC power generation unit is connected to the H2 outlet of the electrolytic cell, and the cathode inlet is connected to the O2 outlet of the electrolytic cell and the outlet of the CO2 capture device. The present invention achieves low-carbon emission power generation.

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 an anode tail gas recirculation SOFC power generation system and an operation method thereof. The system comprises an SOFC electric pile module, a catalytic combustor, a starting combustor, a desulfurizer, a fuel preheater, a reformer, a fuel reheater, a circulating fan, a steam generator, a condenser, a fan, an air preheater, an electric control valve, a first stop valve, a second stop valve and a third stop valve. Wherein fuel and air in the catalytic combustor are mutually isolated and exchange heat, liquid water and CO2 are obtained after smoke generated by combustion of the fuel and the air is condensed, and the fuel is fuel which is not completely reacted at an outlet of the SOFC electric pile module. According to the embodiment of the invention, on the basis of an anode tail gas recirculation process, fuel which is not completely reacted at the outlet of the SOFC electric pile module is catalytically combusted by utilizing the catalytic combustor, and the combusted flue gas is condensed to obtain liquid water and CO2, so that an SOFC system gets rid of dependence on external water supply under a rated operation condition, and meanwhile, high-purity CO2 is captured.

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.

The present invention discloses an industrial oil fume waste gas treatment device and process, which relates to the technical field of oil fume waste gas treatment, and includes a multi-stage oil mist adsorber, a honeycomb electrostatic tower, a dry filter box, an activated carbon bin, a catalytic combustor, an electrical control cabinet and a chimney. The left and right sides of the middle part of the inner wall of the honeycomb electrostatic tower are fixedly connected with atomizing sprayers. By arranging a cleaning mechanism at the bottom of the sprayer, the cleaning mechanism is used to clean the stains in the holes of the electrostatic plate. At this time, the output end of the sprayer is relatively close to the inner wall of the electrostatic plate, so that the sprayed water flow has a greater impact force, and the inner wall of the honeycomb electrostatic plate is washed by the water flow, further solving the problem that in the process of using the traditional industrial oil fume waste gas treatment device, the oily substances and dust in the waste gas are easily attached to the electrostatic plate. If not cleaned regularly, it will cause uneven discharge of the electrostatic plate, resulting in electric leakage and poor electrostatic dust removal effect.

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.