32results about How to "Improve catalytic combustion efficiency" patented technology

The invention relates to a hydrogen catalytic burner, and belongs to the technical field of hydrogen catalytic combustion. The hydrogen catalytic burner is characterized by comprising a gas nixing cavity, a porous lining plate, catalyst layers, baffles, and a temperature sensor, wherein the porous lining plate is arranged at the bottom of the hydrogen catalytic burner, and the catalyst layer is a multilayer structure; the baffles are arranged between the catalyst layers. The hydrogen catalytic burner provided by the invention has the advantages of simple structure, good catalytic effect, convenience in use, high catalytic combustion efficiency, low emission and the like, and is particularly suitable for use for warming homes and office places.

The invention relates to a spontaneous combustion type hydrogen catalysis combustor, and belongs to the technical field of hydrogen catalysis combustion. The spontaneous combustion type hydrogen catalysis combustor is characterized in that a gas nozzle is installed inside the spontaneous combustion type hydrogen-catalysis combustor, the spontaneous combustion type hydrogen-catalysis combustor is of a double layer structure, the first layer is a low temperature catalysis combustion layer, the second layer is a high temperature catalysis combustion layer, the low temperature catalysis combustion layer is arranged at the front end of the high temperature catalysis combustion layer, and a partition plate is arranged between the low temperature catalysis combustion layer and the high temperature catalysis combustion layer. The spontaneous combustion type hydrogen-catalysis combustor has the advantages of being simple in structure, good in safety, convenient to use, free of external heating for ignition, high in catalytic combustion efficiency, and low in emission, thereby being particularly suitable for being used for heating family houses and work places.

The invention relates to a methanol denaturation additive, which is prepared from the following components in part by weight: 50 to 90 parts of isopropanol, 3 to 20 parts of cyclohexane, 5 to 10 parts of No.1 aviation kerosene, 0.1 to 0.9 part of zinc peroxide, 1 to 10 parts of dimethyl carbonate, 4 to 15 parts of isooctyl nitrate, 3 to 10 parts of fatty acid methyl ester, and 0.1 to 0.9 part of 2,6-di-tert-butyl paracresol. The methanol denaturation additive has the advantages that: the zinc peroxide has extremely strong activity after pyrolysis in an engine, can clear organic peroxides generated when the methanol is in anoxic combustion, discharges trace oxygen during pyrolysis, and generates 'micro blasting effect'; and the trace 'oxygen bomb' is enough to make the formaldehyde substance generated by anoxic combustion of the methanol generate 'blasting' combustion so as to promote full combustion of alcohol ether fuels such as methanol and the like.

The invention discloses waste gas catalytic combustion equipment for garbage disposal. The waste gas catalytic combustion equipment comprises a combustion chamber, a spiral heating cavity is formed inthe inner wall of the combustion chamber, a rotating shaft is rotationally connected to the bottom in the combustion chamber, a plurality of stirring blades are fixedly connected to the side wall ofthe rotating shaft, a circular cavity is formed in the lower end of the combustion chamber, the lower end of the rotating shaft penetrates through the lower end of the combustion chamber and extends into the circular cavity, a wind wheel is fixedly connected to the lower end of the rotating shaft, and the side wall of the combustion chamber is connected with one end of the spiral heating cavity through an air inlet pipe. According to the waste gas catalytic combustion equipment, the wind wheel rotates to drive the stirring blades to rotate to stir a catalyst in the combustion chamber, so thatwaste gas is in full contact with the catalyst, and the waste gas is subjected to full combustion treatment; and heat contained in water vapor can enable the two ends of a temperature difference powergeneration piece to generate a large temperature difference, so that a positive electrode electrolysis rod and a negative electrode electrolysis rod are used for electrolyzing water, oxygen generatedby water electrolysis enters an incinerator, and the incineration efficiency during garbage incineration is improved.

The invention belongs to the technical field of tail gas combustion catalyst, and especially relates to a liquid nitrogen washed tail gas high temperature catalytic combustion catalyst, and a preparation method and applications thereof. The liquid nitrogen washed tail gas high temperature catalytic combustion catalyst possesses a stable structure and large specific surface area; after 5h of roasting aging of the catalyst at 1000 DEG C in the air, the specific surface area is still larger than 40m<2>/g. The catalyst is capable of realizing stable high efficiency reaction of liquid nitrogen washed tail gas catalytic combustion at 800 DEG C for longer than 10000h, liquid nitrogen washed tail gas catalytic combustion efficiency is extremely high, liquid nitrogen washed tail gas CO concentration can be reduced to be lower than 50ppm, CH4 concentration can be reduced to be lower than 300ppm, H2 can be removed completely, and energy saving emission reducing effect is obvious.

The invention discloses an efficient VOC treatment system and treatment process flow adopting a novel heat exchanger, and belongs to the technical field of waste gas treatment equipment. The efficient VOC treatment system is characterized in that the gas outlet end of a pre-treatment module communicates with the gas inlet end of a catalytic combustion module; the gas outlet end of the catalytic combustion module communicates with the atmosphere; a heat exchange unit is arranged between a power generation unit and the gas outlet end of the catalytic combustion module; and the power generation module is electrically connected with the catalytic combustion module through a wire and provides electricity for the catalytic combustion module. By adoption of the efficient VOC treatment system adopting the novel heat exchanger, environment pollution is avoided, and heat generated after VOC waste gas is combusted can be fully reutilized, so that self energy supply is guaranteed, and energy waste is effectively avoided; the VOC waste gas is effectively treated by pre-treating the VOC waste gas and exhausting the VOC waste gas into the atmosphere after catalytic combustion; and low-temperature gas after catalytic combustion and primary heat exchange is utilized for heat-exchange power generation by the power generation module through the heat exchange unit, electric energy is provided for heating of the catalytic combustion module, and the utilization rate of the energy sources is increased accordingly.

The invention provides a nano combustion catalyst. The nano combustion catalyst is prepared from the following raw materials: aluminium oxide, silicon dioxide, cerium oxide, ferric oxide and manganeseoxide with the weight ratio being (40-60):(20-30):(1-5):(10-30):(5-10), wherein cerium oxide is nano cerium oxide, ferric oxide is nano ferric oxide, and manganese oxide is nano manganese oxide. Theinvention also provides a preparation method of the nano combustion catalyst. The preparation method comprises the following steps of: weighing aluminium oxide, silicon dioxide, cerium oxide, ferric oxide and manganese oxide according the weight percent, and mixing with water to obtain preparation raw materials; placing the preparation raw materials into a ball mill for ball milling; adopting a forming process to prepare the ball-milled preparation raw materials into spheres or cylinders; placing in a roasting furnace for roasting, then taking out, and cooling to room temperature. The nano combustion catalyst provided by the invention has the beneficial effects that the problem of exceeding-standard tail-gas emission caused by failure of the three-way catalyst due to poisoning and ageing can be solved, and the activity and the efficiency are high.

The invention discloses a gas phase organic substance catalytic combustion device and method based on an ultra-thin two-dimensional zeolite catalyst. A filter, a catalytic ceramic membrane module, a vacuum pump and two differential pressure controllers are included; the inner and outer walls of a tube pass of the catalytic ceramic membrane module are each coated with an ultra-thin two-dimensionalzeolite catalyst layer, an outlet of the filter is connected to a tube-pass inlet and a shell-pass inlet of the catalytic ceramic membrane module through pipes provided with valves, a tube-pass outletand a shell-pass outlet of the catalytic ceramic membrane module communicate with the atmosphere through pipes provided with valves, an inlet of the vacuum pump is connected to the tube-pass inlet and the shell-pass inlet of the catalytic ceramic membrane module through the valves, an outlet of the vacuum pump is connected to an inlet of the filter, and the two differential pressure controllers are used for detecting pressure differences between the tube-pass inlet and the tube-pass outlet of the catalytic ceramic membrane module and between the shell-pass inlet and the shell-pass outlet of the catalytic ceramic membrane module. The gas phase organic substance catalytic combustion device and method have the beneficial effects that the combustion efficiency is high, environmental protection is achieved, energy consumption is low, secondary pollution is avoided, repeated utilization can be achieved, and the catalytic combustion process of gas phase organic pollutants is achieved.

The invention discloses an organic waste gas catalytic combustion device. The organic waste gas catalytic combustion device comprises a reaction device and an air inlet device. The air inlet device comprises an air inlet pipe, a gas flow controller A and a control valve A. The reaction device comprises a copper pipe arranged inside, an induction coil arranged on the copper pipe, high-frequency induction heating equipment connected with the induction coil, and a plurality of metal porous plates. An air inlet is formed in the bottom of the reaction device and is in threaded connection with the air inlet pipe. The air inlet pipe arranged in the device is provided with a plurality of fan-shaped nozzles, an air return port is formed in the top of the reaction device, and the air return port isconnected with an air return way arranged on the outer side of the reaction device; and an air outlet is formed in the bottom of the air return way, and the air outlet is externally connected with a sucking pump. By means of the device, efficient organic waste gas catalytic combustion can be finished, the catalytic combustion efficiency is improved, and energy is saved.

The embodiment of the invention relates to a method for self-sustained combustion of converter released coal gas based on perovskite catalyst. The method comprises the steps that perovskite catalyst powder is prepared; and the interior of a fixed bed reactor device is filled with the perovskite catalyst powder, released coal gas is lead into the fixed bed reactor device, and the perovskite catalyst powder has a catalytic reaction with the released coal gas, so that CO in the released gas is converted into CO2. Therefore, the method is simple in process and easy to control, CO catalytic combustion efficiency is high, smoke waste heat use quality is high, external heat supply is not needed, running cost is low, the method is used for treating the high-temperature released coal gas, the emission standards of the nation or regions can be achieved, the waste heat use quality is improved, the waste heat use manner can be widened, and the considerable economic benefits can be created.

The invention discloses RCO catalytic combustion equipment for waste gas treatment in industrial production, the RCO catalytic combustion equipment is provided with a preheating chamber, a catalytic combustion chamber, a heat exchange chamber and a heat recovery device, the heat recovery device is connected with the preheating chamber, the preheating chamber is provided with a gas inlet, the heat exchange chamber is provided with a gas outlet, waste gas enters from the gas inlet, and the catalytic combustion chamber is communicated with the gas outlet. The gas sequentially passes through the preheating chamber, the catalytic combustion chamber and the heat exchange chamber and is finally exhausted through the gas outlet, and the heat recovery device transmits heat of the combusted gas in the heat exchange chamber to the preheating chamber. The catalytic combustion efficiency is improved, and the catalyst is convenient to replace.

The invention discloses an electromagnetic heat storage combustion purification system for treating organic waste gas, and relates to the technical field of exhaust gas treatment. The electromagneticheat storage combustion purification system comprises a combustion box, a heat storage box is fixedly arranged at the top of the combustion box, a processing box is fixedly arranged at the top of theheat storage box, and a heat conduction box is fixedly arranged in the heat storage box. The top surface of the combustion box is fixedly connected with the bottom surface of the heat storage box, thecombustion box is internally and fixedly provided with a heat exchanger, the heat exchanger is used for absorbing heat generated by combustion gas in the combustion box, and a group of heat conduction columns is fixedly arranged in the heat exchanger. The electromagnetic heat storage combustion purification system is provided with the heat conducting columns on the heat exchanger, the heat conduction columns are located in the heat storage box, and at the same time, a heat absorbing rod and a heat conducting plate are arranged at the position of the combustion box to absorb the heat in the combustion box and discharge the heat to water in the heat storage box through the heat conducting rod, the gas in the heat conducting box is preheated by the heat conduction of the hot water in the heat storage box, and the problem that an existing combustion purification system has low catalytic combustion due to poor heat storage effect is solved.