59results about How to "Improve flammability" patented technology

The invention belongs to the related technical field of combustion equipment, and discloses an auxiliary fuel gas circuit device and a combustor, the auxiliary fuel gas circuit device is installed on the combustor used for liquid-gas mixed combustion and comprises a pressure stabilizing ring cavity and fuel gas pipelines, the pressure stabilizing ring cavity is annular and hollow, one side of the pressure stabilizing ring cavity communicates with the first ends of the fuel gas pipelines in the circumferential direction, and the other side of the pressure stabilizing ring cavity communicates with the second ends of the fuel gas pipelines in the circumferential direction; a fuel gas inlet is formed in the pressure stabilizing ring cavity; the combustor comprises an air flow channel and a fuel oil channel located in the middle of the air flow channel, the pressure stabilizing ring cavity and the wall face of the air flow channel are slidably arranged in the extending direction, a detachable limiting structure is arranged between the pressure stabilizing ring cavity and the wall face of the air flow channel, the multiple fuel gas pipelines are located on the periphery of the air flow channel, and the second ends of the fuel gas pipelines are bent inwards. The fuel gas pipeline can slide relative to the air flow channel and the fuel oil channel, the position of the fuel gas outlet can be adjusted according to the types of specific liquid fuel and gaseous fuel and specific working condition parameters, the liquid fuel and the gaseous fuel can be matched to the optimal corresponding position, and the optimal combustion effect is achieved.

The invention discloses a method for measuring high and low calorimetric values of blast furnace fly ash, which relates to the technical field of blast furnace fly ash calorimetric values, and comprises the following specific steps: step 1, calibrating the thermal capacity of a calorimeter, continuously measuring a plurality of groups of thermal capacity data, and carrying out average value calculation to obtain the average thermal capacity data of the calorimeter to finish calibration; 2, measuring as received basis moisture of the sample; 3, measuring the air dry basis moisture of the sample; 4, measuring the air dry basis total sulfur content of the sample; 5, measuring the air dry basis hydrogen content of the sample; 6, measuring the cylinder calorific value of the sample; and 7, calculating high and low calorific values. According to the method, a rapid calorimeter is adopted as a detection instrument, a blast furnace dedusting ash sample is put into a sealed oxygen bomb filled with high-pressure pure oxygen to be burnt, the calorific value of a bomb cylinder is obtained, the moisture, total sulfur and hydrogen content of the bomb cylinder are measured and brought into a calorimeter testing system to be calculated, and therefore the high and low calorific values of the blast furnace dedusting ash are measured.

The invention provides a hydrogen-ammonia mixed low-nitrogen combustor, and belongs to the technical field of combustors. The technical problem of gas combustion with hydrogen and ammonia serving as fuel at present is solved, and the problems that due to the fact that the ammonia combustion reaction activity is poor, the hydrogen combustion speed is high, a nozzle is burnt by tempering, and the NOx emission concentration is high are solved. The device comprises a hydrogen introduction pipe, an ammonia gas introduction pipe, a fuel gas mixer, an annular header, ammonia gas branch pipes and ammonia gas nozzles. The hydrogen introducing pipe comprises a central hydrogen pipe and a combustion-supporting hydrogen pipe, the outlet end of the central hydrogen pipe is located in the annular collecting box, the input end of the combustion-supporting hydrogen pipe is connected with the central hydrogen pipe, the output end of the combustion-supporting hydrogen pipe is connected with the fuel gas mixer, and the output end of the ammonia introducing pipe is connected with the fuel gas mixer; the output end of the gas mixer is connected with an annular header, the annular header is connected with a plurality of ammonia branch pipes, the ammonia branch pipes are annularly arranged, and ammonia nozzles are arranged at the outlet ends of the ammonia branch pipes. The device is mainly used for hydrogen-ammonia mixed combustion.

The invention relates to a composite lithium battery diaphragm and a preparation method thereof, and belongs to the technical field of lithium batteries. The composite lithium battery diaphragm comprises a polymer base membrane; and the material of the coating comprises a natural clay mineral nanotube and a polyphosphazene resin microsphere. According to the composite lithium battery diaphragm disclosed by the invention, the coating comprises the natural clay mineral nanotube and the polyphosphazene resin microspheres, and the volume change rate of the coating at a high temperature is small, so that the thermal shrinkage of the composite lithium battery diaphragm is reduced; due to the synergistic flame-retardant effect of the natural clay mineral nanotubes and the polyphosphazene resin microspheres, the inflammability of the composite lithium battery diaphragm is improved, and the composite lithium battery diaphragm can be self-extinguished after being ignited; the coating formed by the natural clay mineral nanotubes and the polyphosphazene resin microspheres has abundant pore channels and pores and can absorb a large amount of electrolyte, so that the composite lithium battery diaphragm has high affinity to the electrolyte and high ionic conductivity.

The present invention relates to the technical field of clean fuels, and in particular to an ether-based clean fuel for vehicles and a preparation method thereof, comprising the following raw materials in parts by weight: 35-45 parts of methyl tert-butyl ether, 15-20 parts of isobutanol, 10-15 parts of methanol, 4-7 parts of flaky graphene agents based on doping cerium / yttrium, 2-4 parts of dimethyl ether, 1-3 parts of ferrocene, and 3-6 parts of regulating modifiers. The clean fuel of the present invention adopts methyl tert-butyl ether to match isobutanol, methanol, dimethyl ether and ferrocene raw materials, and the flaky graphene agent based on doping cerium / yttrium and the regulating modifier are added to coordinate and synergize, so that the combustion performance of the product is excellent, and the corrosion performance and water resistance of the product are remarkable, the product performance balance and coordination are improved, and the product has a remarkable product performance stability effect in a low temperature environment.

The invention discloses a gasoline fuel component. The gasoline fuel component mainly comprises C4-C9 normal paraffin, C4-C9 single branched isoparaffin and C4-C9 multi-branched isoparaffin. The weight ratio of at least certain isoparaffins to certain n-paraffins in the gasoline fuel component is higher than the weight ratio in prior art gasoline components. The gasoline fuel components of the present invention can provide improved miscibility, octane number, and combustion performance.

The utility model discloses a boiler coal saving device which comprises a boiler body and further comprises a feeding pipe arranged on one side of the boiler body, one side of the feeding pipe is connected with a hopper through a connecting pipe, one end of a conical material collecting bin is connected with the feeding pipe, the other end of the conical material collecting bin is provided with a pulverized coal spray gun, and the pulverized coal spray gun is connected with the feeding pipe. The feeding pipe is provided with a preheating assembly used for preheating pulverized coal and a conveying assembly used for conveying the pulverized coal. By arranging the preheating assembly and utilizing the temperature of high-temperature waste gas, pulverized coal is preheated before injection, so that the flammability of the pulverized coal is improved, the loss of the pulverized coal in the combustion process is reduced, the energy consumption is reduced, the high-temperature waste gas generated by combustion of the boiler body exchanges heat with the pulverized coal to be combusted through heat exchange, and the combustion efficiency is improved. And waste gas is effectively utilized for heat exchange, so that the utilization efficiency of the high-temperature waste gas is improved while the emission treatment of the high-temperature waste gas is ensured.

The utility model belongs to the technical field of biomass particle furnaces, and particularly relates to a feeding device of a biomass particle furnace, which comprises a storage bin, a feeding device is arranged below the storage bin, a feeding hole is formed in a position, corresponding to an opening in the lower end of the storage bin, of the feeding device, and a discharging hole is formed in one end, far away from the feeding hole, of the feeding device. The feeding device comprises a shell, a conveying assembly is installed in the shell, a plurality of transverse baffles are evenly installed on the conveying assembly at intervals, and two side baffles are symmetrically arranged at the two ends of each transverse baffle in a sliding mode. According to the utility model, the quantity of the fuel entering the combustion chamber can be controlled according to the requirements of different combustion furnaces, the application range is wider, and meanwhile, the buffering bin is arranged, so that the energy is saved, and the cost is reduced.

The present invention relates to an annular gas distribution structure, a burner device and a water heater. During operation, the gas enters the surrounding gas distribution pipes from the gas inlet joint. Since each first channel is connected to at least one gas distribution pipe, the gas diverted in each gas distribution pipe will flow into the corresponding first channel, so that the gas entering from the middle flows evenly around the periphery of the first hollow portion in the gas distribution seat, effectively improving the uniformity of gas distribution. Since each first channel is correspondingly connected to at least one gas outlet, the gas flowing out of the surface of the gas supply seat remains evenly dispersed, ensuring that the gas flows evenly from all sides into the burner body. At the same time, the gas flowing from the gas outlet into the ejector pipe will inhale the air around the gas outlet, which effectively ensures that the primary air can be evenly inhaled into the gas burner body, making the combustion performance of the burner device better, which is conducive to more efficient and safe operation of the water heater.

The application discloses a kind of resource recycling methods for preparing tea pigment by tea dregs, and relates to the technical field of waste resource utilization;The method uses tea dregs after extracting tea pigment as raw material, obtains pure tea dregs after pretreatment, and then separates cellulose components and lignin-hemicellulose mixed components by alkali leaching-screening combined method, and then uses the two components as raw material respectively, shares core drying process, and synchronously prepares tea dregs dietary fiber and biomass briquetting fuel.The present application realizes the precise high-value utilization of different components of tea dregs, cellulose is used to produce high-purity dietary fiber, lignin-hemicellulose is used to produce high-performance briquetting fuel, and there is no component waste;Process procedure sharing, smooth connection.

The present invention belongs to the field of coal energy technology, and in particular to a catalytic improver for raw coal combustion, which is composed of a mixture of metal oxides, iron-containing compounds, metal carboxylates, alumina, rare earths and water, and is characterized in that: the metal oxides include Al 2 O 3 , Fe 2 O 3 , Fe 3 O 4 and MnO 2 ; Iron compounds include FeCl 3 and FeCl 2 ; Metal carboxylates include Mg(CH 3 COO 2 and Na 2 C 2 O 4 ; Alumina is Al 2 O 3 ·3H 2 O; rare earth is La(NO 3 ) 3 The present invention can effectively improve the combustion characteristics of coal, greatly improve the reactivity and combustibility of coal, thereby improving the combustion efficiency of raw coal, reducing energy consumption, and effectively reducing SO in exhaust gas. 2 , CO, and NOx contents, thereby achieving the effect of energy conservation and emission reduction. During boiler operation, the boiler thermal efficiency is increased by 3.11%-3.98%, and the coal saving rate reaches 4-12%, which has good economic benefits.

This invention provides a biomass fuel and its preparation method, belonging to the field of waste utilization technology. This invention mixes different waste materials to prepare biomass raw materials, and simultaneously utilizes microbial strains to transform the organic flame retardants contained in the waste raw materials into new flammable agents through biochemical reactions. The prepared biomass fuel has high calorific value, low smoke and dust, and excellent combustion performance, making rational use of various waste materials, and is environmentally friendly, efficient, and energy-saving. The results of the embodiments show that the biomass fuel prepared by this invention has a calorific value of 35.6 MJ / kg, a calorific value of 4100 cal / g, a combustion efficiency of 99.1%, and low smoke and dust.

The invention relates to the technical field of high-activity metal powder, in particular to high-environmental-stability aluminum-lithium alloy powder and a manufacturing method and application thereof.The high-environmental-stability aluminum-lithium alloy powder comprises, by weight, 1.0-10.0 wt.% of Li, 1.0-10.0 wt.% of Al, 1.0-10.0 wt.% of Ti, 1.0-10.0 wt.% of Ti, 1.0-10.0 wt.% of Ti, 1.0- 0.1 to 5.0 wt.% of Zr; 0.01 to 2.0 wt.% of Ti; 0.05 to 3.0 wt.% of RE; wherein RE is a rare earth element and at least comprises Y, Ce, La or a combination thereof, the sum of Zr, Ti and RE does not exceed 8.0 wt.%, and the balance is Al and inevitable impurities. The method has the effect of improving the use stability and the machining consistency of the aluminum-lithium alloy powder.

The invention relates to the technical field of biomass fire coal blending combustion, in particular to an intelligent adjusting feeding system and method for boiler blending combustion of low-carbon biomass fuel based on deep peak shaving, and the system comprises a powder preparation storage unit, a transportation feeding unit, a collection unit, a prediction unit, a controller and a regulation and control unit. Wherein the prediction unit is used for cooperatively predicting the optimal pulverized coal feeding amount and the optimal biomass powder feeding amount based on a neural network prediction model and an optimization algorithm; and the regulation and control unit automatically regulates the opening degree of the valve according to the calculation result of the PID algorithm, so that the intelligent regulation of the feeding amount of the pulverized coal and the biomass powder is realized. According to the method, machine learning and an optimization algorithm are applied, accurate adjustment of the feeding amount of the pulverized coal and the biomass powder is achieved, the combustion efficiency is improved, and pollutant emission is reduced; in addition, the biomass blending combustion proportion is accurately adjusted through real-time monitoring and intelligent control technologies, the stable combustion capacity of the unit is remarkably improved under the low-load condition, and the peak regulation depth is remarkably optimized and improved.

The present invention provides a high calorific value biofuel and a preparation method thereof. The composite coating comprises the following raw materials by weight: 72-86 parts of industrial white oil, 6-8 parts of polyoxymethylene dimethyl ether, 25-29 parts of modified castor oil, 22-26 parts of modified palm oil, and 0.4-0.8 parts of antioxidant. The biofuel provided by the present invention has the advantages of good combustion performance and good antioxidant performance. Compared with biodiesel prepared from fatty acid methyl ester, it avoids the use of dangerous reagents such as methanol and is safer.

The invention relates to the technical field of polyurethane coatings, and discloses a nitrogen and phosphorus-containing chitosan modified polyurethane flame-retardant coating, compared with a pure-phase polyurethane coating, a polyurethane coating using a triazolyl spirocyclophosphoryl chitosan modifier as a modifier has better flame retardance, chitosan is added into the polyurethane coating, and the flame retardance of the polyurethane coating is improved. Chitosan can be used as a carbon source to generate a synergistic effect with a triazolyl nitrogen-containing flame retardant and a spirophosphoryl phosphorus-containing flame retardant, so that the flame retardance of the polyurethane coating is further improved, isocyanate groups in the flame-retardant polyurethane can react with generated substances, a net structure with a high crosslinking degree is generated, and the flame retardance of the polyurethane coating is improved. And matrix substances can be protected, escape of small-molecule volatile substances can be reduced, the smoke generation amount is reduced, and the carbon residue rate is increased.

The utility model relates to a temperature controllable open fire oven which comprises an oven body, a first heating assembly and a baking net, the baking net and the heating assembly are installed in the oven body, a flame adjusting assembly is arranged above the first heating assembly, the baking net is installed above the flame adjusting assembly, and the flame adjusting assembly comprises a supporting piece and a movable assembly. An opening is formed in the top of the supporting part, a first baffle is fixedly installed at the top of the supporting part and divides the opening into two fire outlets, the movable assembly comprises a driving assembly and a movable part, the movable part is fixedly connected with the driving assembly and located above the fire outlets, and the driving assembly can control the movable part to swing so as to cover the fire outlets. According to the open fire oven with the controllable temperature, it can be guaranteed that fuel is combusted sufficiently, the good combustion effect is achieved, the barbecue temperature can be adjusted, and therefore the open fire oven can adapt to different barbecue scenes.

The utility model provides a device for baking a swing nozzle of a blast furnace, which comprises a roaster cover, the roaster cover is arranged at the upper part of the swing nozzle of the blast furnace, a combustion cavity is formed at the concave part of the roaster cover and the swing nozzle of the blast furnace, the roaster cover is hollow to form an air cavity, and the air cavity is connected with a combustion fan. An air outlet is formed in the lower surface of the roaster cover, a gas main pipeline is arranged on the upper surface of the roaster cover and connected with a plurality of gas branches, a plurality of gas holes are formed in the roaster cover in a penetrating mode, and the gas branches are arranged in the gas holes. And the gas main pipeline is connected with a coke oven gas pipeline. According to the utility model, the water removal efficiency can be obviously improved, and the energy generated by combustion can be saved.

The invention provides a pomace carbon preparation technological process. The pomace carbon preparation technological process comprises the steps that firstly, pomace is subjected to fermentation treatment; step 2, drying the fermented pomace, and crushing the pomace into chippings; 3, carbon powder is prepared, and the carbon powder and the pomace scraps are fully mixed; step 4, stirring and mixing the pomace scraps and carbon powder to prepare a carbon powder mixture; and step 5, performing extrusion molding on the mixture to obtain the carbon block. Step 6, taking a certain amount of carbon powder from the step 3, adding a combustion improver and water into the carbon powder, and stirring to form homogeneous paste; and 7, rapidly immersing the carbon block in the pasty mixture in the step 6. When the charcoal block disclosed by the invention is used, a micropore is left at the burnt pomace crumbs, and the micropore is distributed on the surface of the whole charcoal block, so that the contact area between the surface of the charcoal block and air is increased, the charcoal block can accelerate burning, and unique fragrance can be generated during burning, so that the fragrance of barbecued food can be enhanced.

The utility model discloses a multifunctional natural gas long-flame burner, which belongs to the technical field of natural gas long-flame burners and comprises a shell, a natural gas structure is arranged at the center of the inside of the shell, a fixing disc is arranged at the center of the front end face of the shell, and a burner structure is arranged at the center of the inside of the shell. The burner structure comprises a flame guide pipe, the flame guide pipe is arranged at the center of the rear end face of the fixing disc, the inner side wall of the flame guide pipe is sleeved with a self-cleaning layer, the inner side wall of the self-cleaning layer is sleeved with a wear-resisting layer, and a supporting structure is arranged at the position, close to the front portion, of the center of the outer side wall of the shell. Connecting structures are arranged on the rear portions of the centers of the lower end faces of the shell and the burner nozzle structure, an air adjusting opening is formed between the two connecting structures on the rear portion of the center of the outer side wall of the flame guide pipe, in addition, impurities and the like generated by combustion in the flame guide pipe can be prevented from being attached, the pipeline is kept smooth, the blocking risk is reduced, and the service life of the flame guide pipe is prolonged. And the maintenance cost and the downtime are reduced.

The utility model discloses a special steam heat exchange component for corn straws, which comprises a combustion chamber and a heat exchange tower fixed at the upper end of the combustion chamber, the middle part of the combustion chamber is fixedly connected with a combustion frame, through grooves are formed in the middle part of the combustion frame at equal intervals, a movable drawer for collecting dust is arranged below the through grooves, and the movable drawer is fixedly connected with the combustion frame. The heat exchange pipe assembly is arranged in the heat exchange tower, the upper end of the heat exchange pipe frame is fixedly connected with a treatment box, a suction fan is installed on the top of the treatment box, and an activated carbon filtering and purifying net is installed in the middle of the treatment box in an inserted mode. According to the steam heat exchange assembly special for the corn straw, dust generated in the combustion process falls into the movable drawer through the through groove to be collected and cleaned, through arrangement of the heat exchange pipe assembly, the contact area of high-temperature steam and cooling is increased, a better heat exchange effect is achieved, and through combination with arrangement of an activated carbon filtering and purifying net, the heat exchange efficiency is improved. Flue gas after heat exchange can be conveniently filtered and purified, and pollution to the environment is reduced.

The present application belongs to the field of burners, and discloses a deflectable wall-type tangential circle boiler burner and a working method. The deflection assembly adopts a transmission mode of servo motors, screw rods and solid rods, which can realize accurate angle adjustment. This makes the burner nozzle able to adjust the direction in real time according to the needs, and optimizes the distribution of combustion gas flow in the furnace. Especially under the conditions of boiler load change or different fuels, this flexible adjustment capability helps to improve the combustion efficiency. By accurately adjusting the deflection angle of the nozzle, the present application can make the combustion gas flow evenly distributed in the furnace, reducing the phenomenon of incomplete combustion. The direction of the burner nozzle can be dynamically adjusted according to different working conditions, so as to better adapt to the needs of different loads and different fuels, and finally improve the overall combustion efficiency of the boiler. The adjustable deflection angle of the present application makes the burner nozzle able to adjust according to the distribution of the temperature in the furnace, effectively avoiding the areas with excessively high or low temperature.

The utility model provides a combustion furnace for an outdoor open fire stove, which is characterized in that an inner shell (2) is sleeved in an outer shell (1), and a cavity (17) is arranged between the outer shell (1) and the inner shell (2); the main support (10) is arranged in the inner shell (2) in a sleeved mode, the main support (10) is composed of an upper metal ring (101), a lower metal ring (102) and a plurality of metal rods (103), the radius of the upper metal ring (101) located on the upper portion is smaller than that of the lower metal ring (102) located on the lower portion, and the metal rods (103) are arranged between the upper metal ring (101) and the lower metal ring (102). The combustion furnace for the outdoor open fire stove can effectively solve the problems of potential safety hazards, persistent combustion and the like in the ignition and raw material replacement process of an existing outdoor combustion furnace.

The present application provides a refrigerant and a method for preparing the same. The refrigerant is composed of a first component, a second component and a third component, wherein: the first component is 3,3,3-trifluoropropyne; the second component is trifluoroiodomethane; the third component is one of propylene or fluoroethane; in the refrigerant, the content of the first component is a first preset value, the content of the second component is a second preset value, and the content of the third component is a third preset value; satisfying: the first preset value, the second preset value and the third preset value are all greater than zero, and the sum is 100%. The present application is a refrigerant composed of three components, with a GWP of less than 150 and an ODP of 0. Under the premise of ensuring good environmental performance of the refrigerant, the thermal performance is equivalent to R290, and the flammability is greatly reduced, which can solve the technical problems of high flammability and poor safety performance of R290 refrigerant.

The invention relates to the technical field of preparation of cement raw materials, in particular to a batching device and method for improving burnability of cement raw materials, a crushing assembly is composed of a pair of crushing rollers, the crushing rollers are driven by a driving shaft driven by a motor, and multiple sets of teeth distributed in a circumferential array mode are arranged on the arc outer walls of the crushing rollers; the crushing device has the beneficial effects that the crushing rollers which are connected in a meshed mode are additionally arranged in an existing premixing box, the purpose of further crushing is achieved through meshing of tooth grooves and the teeth of the crushing rollers, meanwhile, the purpose of transportation is achieved through rotation of the tooth grooves of the crushing rollers, the crushing effect is good, and the crushing effect is good. Crushed raw materials are conveyed into the blanking inner cavity to be crushed and mixed circularly in a reciprocating manner, repeated mixing and crushing at a single position are avoided, and the batching barrel capable of weighing and facilitating feeding is matched, so that the treatment efficiency and quality of the cement raw materials are greatly improved, the performance and efficiency of the raw materials in the batching process are synchronously improved from three aspects, and the production cost is reduced. Further, the burnability is improved.

The invention relates to a flame-retardant lithium battery diaphragm and a preparation method thereof, and relates to the field of lithium batteries. The coating is coated on the polymer base membrane, and the material of the coating comprises polyphosphazene resin microspheres. According to the flame-retardant lithium battery diaphragm provided by the invention, the coating comprises the polyphosphazene resin microspheres, and the volume change rate of the coating at a high temperature is small, so that the thermal shrinkage of the flame-retardant lithium battery diaphragm is reduced; due to the flame-retardant effect of the polyphosphazene resin microspheres, the flammability of the flame-retardant lithium battery diaphragm is improved, and the self-extinguishing can be realized after the flame-retardant lithium battery diaphragm is ignited; the coating formed by the polyphosphazene resin microspheres has abundant pore passages and pores and can absorb a large amount of electrolyte, so that the flame-retardant lithium battery diaphragm has high affinity to the electrolyte and high ionic conductivity.

The present invention belongs to the field of engines, and specifically relates to a flame-stabilized ramjet engine combustion chamber, a combustion method and an engine thereof, wherein the flame-stabilized ramjet engine combustion chamber comprises a combustion chamber housing and a center body coaxially arranged in the combustion chamber housing, a combustion chamber is formed between the outer wall of the center body and the inner wall of the combustion chamber housing; the combustion chamber is a sudden expansion wall after the inlet, and a ring plate II is provided on the center body protruding outward, and the sudden expansion wall, the outer wall of the center body and the side wall of the ring plate II form an annular concave cavity structure; the upstream side of the annular concave cavity structure is provided with a ring plate I, the outer wall of the ring plate I and the inner wall of the combustion chamber housing have a gap I, the side of the ring plate I and the sudden expansion wall have a gap II, and the inner wall of the ring plate I and the inner wall of the center body have a gap III. The present invention has stable double trapped vortex flame stabilization without relying on the injection design of the combustion chamber wall, and has a simple structure and stable performance.

The invention discloses amino low-carbon broad-spectrum fuel oil and a preparation method thereof.The fuel oil is mainly prepared from, by mass, 25%-29% of liquid ammonia, 55%-68% of alcohol and 7%-16% of fuel oil, and the preparation method comprises the following steps that under the reaction conditions that the temperature is 400 + / -10 DEG C and the pressure is 2 MPa, the liquid ammonia and the alcohol are mixed in proportion for an amination reaction, and the amination reaction is carried out; and cooling an alcohol amine reaction product generated by the amination reaction to 30-60 DEG C, purifying and separating, and stirring and mixing with the fuel oil to obtain the amino low-carbon fuel oil. The amino low-carbon broad-spectrum fuel oil is high in calorific value and good in combustion performance, and is novel low-carbon amino fuel oil with great development potential.

The utility model discloses a commercial stove burner which comprises a gas distribution seat, the gas distribution seat is provided with a fire distributor, a fuel gas input channel used for connecting fuel gas and a plurality of fuel gas distribution channels, one end of each fuel gas distribution channel is communicated with the fuel gas input channel, and the other end of each fuel gas distribution channel is provided with a nozzle capable of allowing the fuel gas to be sprayed out. A plurality of venturi tubes are arranged in the fire distributor, one ends of the venturi tubes are in one-to-one correspondence with the gas spraying ends of the nozzles, and gas inlet gaps allowing air to enter the venturi tubes to be mixed with fuel gas are formed between the gas inlet ends of the venturi tubes and the gas spraying ends of the nozzles; the fire distributor is provided with a fire hole communicated with the gas outlet end of the Venturi tube and an igniter used for igniting fuel gas sprayed out of the fire hole. A relatively simple structure is adopted in the whole combustor, single air inlet and multi-head air outlet of the combustor can be achieved, the combustion power is large, and manufacturing is convenient.

The invention discloses a two-stage heat pump drying system and method for hydrogen-driven coupling rotary wheel dehumidification. A hydrogen fuel supply system of the two-stage heat pump drying system comprises an upstream hydrogen fuel system and a downstream hydrogen fuel system. The hydrogen engine driving system comprises a hydrogen engine, a belt pulley, a coupler, a gearbox, a water pump and a flue gas heat exchanger. The two-stage compression heat pump system comprises a low-pressure-stage compressor, a high-pressure-stage compressor, an intercooler, a liquid storage device, an auxiliary condenser, a main condenser, an evaporator, a throttling valve, a one-way valve and an electronic expansion valve. The rotating wheel dehumidification system comprises a dehumidification rotating wheel, a total heat exchanger, a regeneration fan, a dehumidification fan and a drying box. The system is stable and efficient in operation, full utilization of waste heat is achieved, the energy utilization rate is increased, energy conservation and emission reduction are achieved, power consumption is reduced, and the service life is prolonged. Independent temperature and humidity control can be achieved, the heating efficiency and the drying rate in a low-temperature environment are improved, the dew point temperature of dehumidified air is increased, and the drying effect is improved.