48results about How to "Full combustion reaction" patented technology

The invention discloses a biomass gas combustion device used for an industrial boiler. The biomass gas combustion device used for the industrial boiler comprises an ignition channel, a primary wind channel, a fuel gas channel and a secondary wind channel, all of which are arranged concentrically from inside to outside, wherein the tail-end outlet of the primary wind channel is shrunk inwards to form a first shrinkage section and is provided with multiple first flow channels; the tail-end outlet of the primary wind channel is also provided with a primary wind swirler; the tail-end outlet of the fuel gas channel is provided with multiple second flow channels; the tail-end outlet of the secondary wind channel is shrunk inwards to form a second shrinkage section; a secondary wind swirler is arranged in the secondary wind channel and near the second shrinkage section; the arrangement of the first flow channels and the second flow channels enables the air at the tail-end outlets to be more sufficiently mixed with the fuel gas and enables the combustion reaction to be more complete, so that the combustion efficiency is improved efficiently; meanwhile, the air after passing through the primary wind swirler and the secondary wind swirler forms a recirculation zone which can suck partial high-temperature smoke, so that stable combustion of the fuel gas is guaranteed.

The invention discloses a method for preparing a graphene nano-composite energetic material through an atomic-layer deposition technology. The method includes the steps that graphene loaded nanometer metal compound powder is prepared through an ultrasonic-assisted solution mixing and in-situ reduction method, so that even scattering of nanometer metal on the surface of graphene is achieved; and then, the gas-phase atomic-layer deposition technology is adopted, two different precursors pass through a reaction cavity alternately, the precursors make contact with the surface of the graphene/nanometer metal compound powder fully, a chemical reaction is set off, and oxides are generated. By means of the method, the oxides wrap the graphene surface and the nanometer metal surface evenly. According to the graphene nano-composite energetic material prepared through the method, the affinity between the oxides and the nanometer metal surface is increased, and spatial arrangement is improved. Due to the addition of the graphene, the scattering situation of the nanometer metal is improved, and the energy release rate of the energetic material is increased. The method is high in automation degree and good in safety, the material can be directly used without after-treatment, and mass production of the graphene nano-composite energetic material is achieved easily.

The invention discloses a cyclone concentrate spray nozzle, which comprises a material conveying pipe, wherein a center oil gun is coaxially arranged in the material conveying pipe, an air chamber is fixedly arranged at the outer side of the material conveying pipe, and is in an inverted truncated cone shape, a cyclone bird nest water jacket for forming cyclonic air is fixedly arranged at the lower end of the air chamber, a material conveying pipe outer layer for providing cooling air is arranged at the outer side of the material conveying pipe, a cyclone pipe for forming cyclonic air is fixedly arranged at the lower ends of the material conveying pipe and the material conveying pipe outer layer, the cyclone bird nest water jacket is arranged at the outer side of the material conveying pipe, an air outlet is formed by a gap between the cyclone bird nest water jacket and the the material conveying pipe, the directions of rotary air formed by the cyclone bird nest water jacket and the cyclone pipe are the same, and a high-speed rotary flow field is formed at the combining part of a material outlet. The cyclone concentrate spray nozzle has the advantages that by arranging the two cyclone mechanisms, the two types of cyclonic air are combined, the concentrate and reaction gas can be fully mixed, and the smoke dust rate is reduced; by increasing the negative pressure value at the material outlet, the problems of air returning and material returning are effectively reduced, and the production capacity of concentrate feeding is improved.

The invention provides a combined cooling, heating and power micro gas turbine device. The combined cooling, heating and power micro gas turbine device comprises a micro gas turbine; the micro gas turbine comprises a gas compressor, a turbine wheel and a combustion chamber assembly; the combustion chamber assembly comprises a combustion chamber, an air inlet cavity, an air inlet channel and an exhaust channel, the air inlet cavity comprises an internal air inlet cavity and an external air inlet cavity which are integrated, the air outlet end of the external air inlet cavity communicates with the air inlet end of the internal inlet cavity, the air inlet end of the external air inlet cavity communicates with the air inlet channel, the air inlet channel communicates with the gas compressor, the combustion chamber is arranged between the internal air inlet cavity and the external air inlet cavity, and an air outlet of the combustion chamber communicates with the exhaust channel; and an impeller of the gas compressor is coaxially connected with the turbine wheel through a rotating shaft, and the rim of the turbine wheel stretches into the exhaust channel. The combined cooling, heating and power micro gas turbine device has the advantages of being small in size, free of maintenance and high in heat exchange efficiency.

The invention relates to an electric heating washing type waste gas treatment device which comprises a first gas inlet, an electric heating device, a dust filtering device, an intelligent cooling water washing system and a gas outlet, the first gas inlet is formed in the electric heating device, and the electric heating device is arranged on the dust filtering device; the dust filtering device isarranged at the upper part of a water tank of the intelligent cooling water washing system; and the combustion chamber scaling removing device is arranged on the tee joint at the upper part of the first air inlet, is provided with a stainless steel brush, can reach the interior of the combustion chamber of the electric heating device and brushes away dust on the inner wall of the combustion chamber. According to the invention, silane dust adhered to the inner wall of the combustion cavity can be automatically cleaned at regular time; the water consumption of fresh water is reduced, and the operation cost is reduced; the low water level, the high water level and the ultrahigh water level in the water tank are controlled through the four floaters, and the safety performance of equipment in use is improved; a four-stage spraying system is adopted, so that the waste gas treatment efficiency is improved.

The invention relates to a preparation method of transparent ceramic for a nuclear reactor observation window. The method comprises the following steps of firstly, mixing yttrium nitrate and yttrium acetate according to the mole ratio of 1:(0.4 to 0.6), then adding water, placing the obtained clarified precursor solution into a microwave oven and heating for 5 to 25 minutes; carrying out boiling, evaporating and self-propagating combustion to obtain Y2O3 nano powder with the particle size of 10 to 35nm; secondly, carrying out ball milling on the obtained Y2O3 nano powder, drying, dry-pressing molding, vacuum encapsulation and cold isostatic pressing to obtain a Y2O3 ceramic body; and then placing the Y2O3 ceramic body into a microwave sintering furnace for sintering at the temperature of 1,300 to 1,500DEG C to obtain the transparent ceramic. The preparation method disclosed by the invention is high in heating speed and is short in time; the ceramic can be quickly densified under normal pressure conditions; the prepared ceramic can be used as a nuclear reactor observation window material.

The invention provides a three-waste integrated reactor. The three-waste integrated reactor and method for treating nitrite gas is vertically arranged and comprises a first combustion chamber arrangedat the top, the first combustion chamber is provided with a primary air inlet which is formed in the tangential direction and is used for spraying mixed air of waste solid and primary fuel gas into the first combustion chamber; the reactor further comprises a second combustion chamber, the second combustion chamber is provided with a secondary air inlet which is tangential to the second combustion chamber and is used for spraying mixed air of waste solid and secondary fuel gas into the second combustion chamber; a waste liquid filling port is formed in the second combustion chamber and is used for filling waste liquid into the second combustion chamber; a combustion descending channel is formed between the first combustion chamber and the second combustion chamber, and the combustion descending channel protrudes outwards to form a mixing chamber; and a grating tower is arranged at the bottom of the reactor, and a water quenching tank is arranged below the grating tower. According to the three-waste integrated reactor, the blockage of the dangerous waste incineration device can be effectively avoided, and meanwhile, the nitrite gas generated in the adipic acid production process can be sufficiently recovered.

The invention provides a pulverized coal oxygen-enriched burner meeting the requirements of set deep peak load regulation, and a system thereof, and belongs to the field of coal-fired power generation. The pulverized coal oxygen-enriched combustion system comprises a liquid oxygen storage tank, a liquid oxygen supply pump, a gasifier, a buffer tank, a pipeline valve, an exhaust gas and oxygen heatexchanger and the pulverized coal oxygen-enriched burner. Liquid oxygen stored in the liquid oxygen storage tank is conveyed to the gasifier through the liquid oxygen supply pump, evaporates to gasify into oxygen, is subjected to pressure stabilization in the buffer tank, and enters the exhaust gas and oxygen heat exchanger through the pipeline valve to be heated, and when the temperature reachesthe range from 650 DEG C to 700 DEG C, the oxygen enters the pulverized coal oxygen-enriched burner for ignition to form stable flames. According to the pulverized coal oxygen-enriched burner meetingthe requirements of set deep peak load regulation, and the system thereof, the oxygen-enriched burner carries out stable combustion during starting the low-load operation, the system has the self-stabilization combustion function, and has the advantages of being low in ignition temperature, high in combustion strength, high in combustion speed, high in temperature and complete in combustion reaction, and the boiler stable combustion and low-load operation cost is reduced.

The invention discloses a combustion synthesis method of a Bi2SeO2-based thermoelectric material and a combustion improver for the Bi2SeO2-based thermoelectric material. By taking Bi, Se and Bi2O3 as raw materials, the method adopts a PbO compound as the combustion improver to promote combustion synthesis reaction to prepare the Bi2(1-x)Pb2xSeO2 thermoelectric material. The method disclosed by the invention has the advantages of being short in preparation time, simple in process, low in requirement on equipment, energy-saving and environmental-friendly, suitable for scaled production and the like, thereby laying a good foundation for scaled preparation and application of the Bi2SeO2-based thermoelectric material.

The invention relates to a forced-exhaust-type radiant carbon stove. The forced-exhaust-type radiant carbon stove comprises a stove body, wherein a heating chamber is arranged in the stove body; a sleeve-type radiation mechanism is arranged in the heating chamber, and is composed of a combustion tube and a radiation tube; the radiation tube sleeves the outer side of the combustion tube, and a high-temperature smoke passage is formed between the combustion tube and the radiation tube; the inner chamber of the combustion tube is a combustion chamber, and a bottom of the combustion chamber communicates with the outside; high-temperature smoke outlets are formed in the combustion tube, and the combustion chamber communicates with the high-temperature smoke passage via the high-temperature smoke outlets; medium-temperature smoke outlets are formed in the radiation tube, and the high-temperature smoke passage communicates with the heating chamber via the medium-temperature smoke outlets; anda smoke exhaustion mechanism is arranged on the stove body. During operation, smoke produced by charcoal combustion in the combustion chamber enters the high-temperature smoke passage via the high-temperature smoke outlets, and then, enters the heating chamber via the medium-temperature smoke outlets; and then, forced exhaustion of the smoke in the heating chamber is realized by the smoke exhaustion mechanism. The forced-exhaust-type radiant carbon stove is capable of realizing completely enclosed radiant barbecue, and is convenient and practical in operation; moreover, the forced-exhaust-type radiant carbon stove is enhanced in heating performance, low in pollution, high in heat utilization rate, good in heating effect, and high in heating efficiency.

The invention provides a combustion supporting device processing nitrous gas. The combustion supporting device processing nitrous gas comprises a shell. A column body is axially arranged at the centerof the shell. An ignition device is disposed at the bottom of the column body. The inner portion of the shell is divided by partition plates into a central ventilation channel, an inner cyclone air channel, a mixed air channel and an outer cyclone air channel from inside to outside. A bottom outlet of the outer cyclone air channel is provided with an outer cyclone nozzle, and the outer cyclone nozzle deviates outward and forms a certain angle with the axial direction of the combustion supporting device. Rotating wind blades are disposed at the bottom outlet of the central ventilation channel.When inner air, outer air and mixed air are sprayed out and leave the combustion supporting device, a high-speed rotating airflow is formed, so that mixed gas with the reducibility and the air with the oxidizing performance can quickly react and are burned rapidly. When N2O leaves the combustion supporting device, the N2O is completely wrapped in the middle of the combustion flame, the advantageof completely no escape is achieved, and after diffusion, the N2O enters the flame to assist combustion and participate in decomposition combustion.

The invention belongs to the technical field of energy conservation and environmental protection, and in particular designs a coal-saving agent and a preparation method of the coal-saving agent. According to the invention, chitosan modified diatomite is taken as a carrier, so that effective components such as an oxidant, catalysts and a swelling agent can be effectively adsorbed to increase the loading amount of active components, so as to improve the combustion efficiency of coal; oxygen molecules adsorbed by a porous structure of the diatomite can be released when the coal is burned to promote a fully adequate combustion reaction; aluminum oxide and ferric oxide components contained in the diatomite can be used as the catalysts for the combustion reaction to effectively catalyze the coalcombustion reaction to reduce carbon monoxide emissions; calcium oxide and magnesium oxide components contained in the diatomite can effectively adsorb sulfur dioxide generated during combustion andreduce sulfur dioxide emissions in the presence of sodium hydroxide.

The invention discloses a sleeve kiln local oxygenation system. The sleeve kiln local oxygenation system comprises an oxygen generation unit, an ejection unit, a heat exchange unit and an oxygenationunit, wherein the oxygen generation unit is used for producing pure oxygen, the inlet end of the ejection unit is connected with the oxygen generation unit, the inlet end of the heat exchange unit isconnected with the outlet end of the ejection unit, the heat exchange unit is arranged on a hot gas pipeline from an upper inner sleeve outlet flue of the sleeve kiln to the heat exchanger, the inletend of the oxygenation unit is connected with the outlet end of the heat exchange unit, the oxygenation unit is arranged outside a combustion chamber, the oxygenation unit comprises an oxygenation annular pipe, a plurality of oxygenation spray guns and a plurality of oxygenation spray pipes are arranged on the oxygenation annular pipe in the circumferential direction, the oxygenation spray guns are arranged on a combustion chamber panel, and the oxygenation spray pipes are arranged below an arch bridge. According to the sleeve kiln local oxygenation system, after local oxygen-enriched combustion, the combustion efficiency is improved, the combustion-supporting air volume and the use amount of fuel can be properly reduced, a better energy-saving effect can be achieved, the ignition temperature of the fuel in an oxygen-enriched state can be reduced, the combustion speed is increased, the combustion process is violent, the combustion reaction is sufficient and complete, and a better heatexchange effect is achieved.

The invention discloses a fully automatic energy-saving spray gun, which comprises a spray gun seat, an adjusting pipe, a motor seat and a plug. One side of the spray gun seat is provided with a spray gun cover, and the other side of the spray gun seat is provided with a gun barrel. The inside of the gun barrel is inlaid with a spray gun nozzle, and the outside of the spray gun nozzle is inlaid with a regulator. One side, and the inside of the motor seat is inlaid with an adjusting screw, the outer side of the adjusting screw is installed with a nut sleeve, and one side of the nut sleeve is provided with a second screw. This fully automatic energy-saving spray gun solves the problem of insufficient laminar combustion and makes the combustion reaction more complete. The regulator adjusts the amount of gas while also adjusting the amount of air, and always ensures that the amount of air and gas are completely combusted. Proportional supply, the premix chamber required for complete combustion is formed between the air cap and the nozzle, which makes the fuel combustion of the device more complete.