39results about How to "Fast combustion reaction" patented technology

The invention provides an environmental-friendly coal-saving agent for a cement shaft kiln, comprising the following raw materials by weight portion: 3-7 portions of a coal combusting low-temperature modifying agent, 2-6 portions of a compound sulphur-fixing agent, 0.5-0.96 portion of a combusting inductive agent, 3-7 portions of a raising agent, 56-96 portions of a combusting poising agent, and 5-15 portions of a highly-efficient sulphur-fixing agent. The coal combusting low-temperature modifying agent can be potassium permanganate, potassium chlorate, potassium perchlorate, sodium chlorate, sodium nitrate and the like; the compound sulphur-fixing agent can be sodium carbonate, calcium oxide and the like; the raising agent can be waste liquor of paper mill containing Na or/and Ca sulphonate and the like; and the combusting poising agent can be a chemical waste reducing substance containing sodium chloride and the like. The method solves the problems of environmental pollution and resource waste in the prior art, uses compatibility of multiple chemical raw material of 6-10 percent and chemical waste to prepare the coal-saving agent with small dosage and fast effect to be added to the production of the cement shaft kiln in trace quantity, and has the advantages of resource conservation by using waste, coal conservation and consumption reduction, and reduction of dust and SO2 discharge and environmental pollution.

The invention provides a micro double-bed solid fuel decoupling combustion reaction dynamic analyzer which comprises a fuel pyrolytic reaction generation device, a residual coke combustion reaction generation device, a double-bed high-temperature coupling device, a gas path device and an analysis test device, wherein solid fuel is firstly pyrolyzed under an inert atmosphere in a micro gas flow bed; then residual cokes enter the micro gas flow bed for combustion test under an air atmosphere; a quick gas detector is used for judging a reaction mechanism by measuring a generation sequence and a generation quantity characteristic of gas components in a fuel pyrolysis process and a coke combustion process, so that reaction dynamic parameters can be calculated. According to the micro double-bed solid fuel decoupling combustion reaction dynamic analyzer, the combustion dynamic parameters of the solid fuel can be tested through direct decoupling combustion through independent and quick switching of the atmospheres and the temperature; the pyrolyzed residual cokes are directly subjected to the combustion test without a cooling process; the temperature rising rates of the gas flow bed and a fluidized bed are high, so that a combustion condition in an actual boiler can be well simulated; the measured reaction dynamic parameters are close to intrinsic reaction dynamic parameters.

The invention discloses a stove gas burner, which comprises a centrifugal axial flow fan. The upper part of the centrifugal axial flow fan is provided with a fan air outlet; the fan air outlet is provided with a cyclone wind deflector; a main fire and long open fire burning supply assembly, a burning head and a fire stabilizing ring are arranged in turn above the cyclone wind deflector along the longitudinal direction; and a wind collecting plate, a main fire plate and a long open fire bowel are arranged in the burning head. The whole burner integrates air supply, gas mixing and burning; the flame passages of various working conditions are combined by adopting a unique main and secondary fire hole grouping mode and an independent stable middle long open fire system; and the flame is stable, the burning reaction speed is high, and the energy conservation has qualitative breakthrough.

The invention relates to a high-activity compound modified additive of methanol gasoline for an automobile. The additive is prepared from the following components in percentage by weight: 12% of ethanol as a solvent, 0.1% of 2-methyl-1-butanol as an antidetonant, 0.5% of sulfurized calcium alkyl as an adjustor, 1.5% of triethanolamine as an engine carbon deposition preventer and an anticorrosive agent, 2.5% of methylal as a combustion improver, 59% of normal butanol as an active mutual solvent, 0.1% of 3-methyl-1-butanol as a synthetic solvent, 10% of 2-methyl-1-propanol as a synthetic solvent, 10% of normal propyl alcohol as a synthetic solvent, 0.1% of ethyl tert butyl ether as an antidetonant, 2% of 1-phenyl-5-mercapto-tetrazole as a corrosion inhibitor, 1% of 2-mercapto benzimidazole as a corrosion inhibitor, 20.6% of nano TiO as a protective coating and 0.6% of 2, 6-ditert-butyl p-cresol as an antioxidant. The additive can be widely applied to additives of methanol and methanol motor gasoline.

The invention provides a method and equipment for quickly stabilizing the activity of a catalytic cracking catalyst. The method comprises the following steps that: (1) the catalyst enters the bottom of a dilute phase combustion tube via a fluidized bed reactor, is mixed with an oxygen-containing gas and fuels and then is combusted and flows upward, and the gas and the catalyst enter the fluidized bed reactor via a distributor at the outlet of the dilute phase combustion tube; (2) water vapor is injected into the fluidized bed reactor and is contacted with the high-temperature catalyst to carry out hydrothermal reaction to reduce the activity of the catalyst, the catalyst and the gas are separated at the top of the fluidized bed reactor, the separated gas is exhausted from the device and the separated catalyst returns to the fluidized bed reactor; and (3) operation is stopped and the catalyst is unloaded when the activity of the catalyst is reduced to the appropriate level. The invention also provides a catalyst ager implementing the aging method. By adopting the aging method and equipment provided by the invention, the operating conditions of the combustion reaction and the hydrothermal reaction can be controlled respectively, the activity of the aged catalyst is distributed uniformly and distribution of the products used for catalytic cracking reaction of hydrocarbon oil is obviously improved.

The invention discloses a metal component field high-energy thermal cutting and hole forming device. The device comprises a charging barrel; an aluminum-made retainer ring, a frustum plug, a thermitelayer and an ignition agent layer are arranged in the charging barrel in sequence from bottom to top; a top cover is mounted at the top end of the charging barrel; a mounting through hole is vertically formed in the center of the top cover; an insulation plug is mounted in the mounting through hole; two ignition electrodes are vertically mounted on the insulation plug; multiple punching holes areformed in the lower part of the side wall of the charging barrel; multiple fixing devices for fixing the charging barrel on objects to be punched are arranged on the radial outer peripheral surface ofthe charging barrel; and a support sleeve is arranged between the frustum plug in the charging barrel and the objects to be punched. The hole forming device is high in energy density, high in combustion temperature, high in cutting pressure and suitable for quick emergency thermal cutting and underwater cutting of various steel structural parts in fields or battlefields under the conditions of noelectricity, no gas and no cutting equipment.

The invention discloses a low NOx emission combustor. The low NOx emission combustor comprises a combustion chamber; the front end of the combustion chamber is provided with a fuel gas inlet through afuel gas channel, a flue gas nozzle is arranged at the rear end of the combustion chamber, an air channel with an air inlet is formed in the outer side of the fuel gas channel, and the air channel isin communication with the combustion chamber through air nozzles arranged in the air channel; and the rear end of the fuel gas channel is provided with a gas guide cone through a supporting rod. Thedevice is simple and compact in structure, small in occupied space and easy to install and maintain, the volume of the combustion chamber is smaller than that of a heating furnace hearth of a common combustor, and the volume heat strength is large and can reach 6*10<8> kJ/m3.h; the width of the adjusting range can reach 1:50, while the common combustor is only 1:10, and automatic regulation and control are easy; and in addition, the air can be preheated by high-temperature, high combustion temperature can be obtained with low-heating-value fuel gas, the combustion temperature of the combustionchamber is high and close to 2000 DEG C, and therefore the combustor can be applied to most industrial furnaces.

The invention provides a fire coal boiler liquid oxidant, which is used as a liquid additive for improving heat efficiency of fire coal boiler and realizing combustion supporting and coal saving, thereby minimizing the circulating fluidized bed boiler volume, reducing boiler height, adapting to the status of circulation ratio in our country, accelerating reaction speed of coal combustion, achieving fire coal efficiency and forming a high efficiency combustion method. The invention is used for fluidized bed boiler and chain-grate boiler. The invention employs a principle of catalysis combustion and gasification combustion of coal, and provides a method for adding liquid oxidant in fuel, thereby realizing high efficiency combustion of the fluidized bed boiler in the low temperature condition. The invention is composed of five substances such as potassium nitrate, sodium carbonate, cupric nitrate, magnesium nitrate and manganous nitrate. The invention has the beneficial effects that after the additive is added, the material ratio is decreased with the same output, thereby the coal saving is increased, wherein, the coal saving rate is about 5%, and the boiler output is increased and the boiler thermal efficiency is increased by 2-3%.

The invention discloses a preparation method of a zinc ion battery doped positive electrode material, the zinc ion battery doped positive electrode material and a zinc ion battery, and relates to the field of zinc ion batteries. The preparation method comprises the following steps: dissolving a vanadium source, an oxidant, a fuel and a cation doping raw material in water, uniformly mixing to obtain a mixed phase, and carrying out low-temperature combustion reaction on the mixed phase to obtain the zinc ion battery doped positive electrode material, wherein the vanadium source comprises NH4VO3, the oxidant comprises NH4NO3, the fuel includes at least one of CO(NH2)2 and C2H5O2N, the cation doping raw material comprises M(NO3)n, and M comprises at least one of Li, Na, K, Ag, Ca, Mg, Zn, Al, Ni, Mn and Cu. The positive electrode material is obtained through the method, and the zinc ion battery adopts the positive electrode material. According to the invention, the process is simple and efficient, the cost is low, and the rate capability of the zinc ion battery is improved.

The invention discloses a preparation method of neodymium calcium aluminate. The preparation method comprises the following steps: in stoichiometric ratio of metal elements in CaNdAlO4, respectively weighing compounds containing Ca, Nd and Al as raw materials, preparing into mixed solution of nitrates containing Ca<2+>, Nd<3+> and Al<3+>, adding organic fuel and a complexing agent into the mixed solution of nitrates, wherein molar ratio of the organic fuel to Ca<2+> in the mixed solution of nitrates is (1-6):1, uniformly mixing, then igniting the mixed solution at the temperature of 800-900 DEG C, and obtaining neodymium calcium aluminate after the mixed solution is burned up. According to the technical scheme, neodymium calcium aluminate is synthesized at a certain temperature and a certain raw material ratio, so that the problems of high synthesis temperature and long preparation time are solved; the complexing agent is added and can be complexed with metal ions to form an intermediate, temperature for synthesizing neodymium calcium aluminate is lowered, the complexing agent can enable the raw materials to be uniformly mixed and can be expanded in a burning process, a loose product is produced, and the phenomenon that the product is agglomerated and caked can be avoided.

The invention relates to the technical field of optical fiber preparation, and discloses a blast burner for manufacturing an optical fiber preform. The blast burner comprises a distribution ring, the distribution ring is movably sleeved with a lamp sleeve, and an outer ring in the distribution ring is annularly provided with an air hole 1. According to the blast burner for manufacturing the optical fiber preform, an annular groove I and an annular groove II communicate and are matched with the air hole I and an air hole II, so that oxygen and hydrogen conveyed from the air hole I and the air hole II are annularly sprayed out and mixed after being completely loaded in the annular groove I and the annular groove II, and are combusted to generate water which is mixed and reacted with silicon tetrachloride to generate silicon dioxide particles. Silicon dioxide particles are accumulated in the annular groove I and the annular groove II, silicon tetrachloride is liquid, friction force between the silicon tetrachloride and the silicon dioxide particles is larger, and the silicon tetrachloride is not prone to being accumulated in liquid holes, and the annular groove I and the annular groove II are annular grooves, so that the time needed for influencing the discharge amount of the silicon tetrachloride is longer when the silicon dioxide particles cause blocking, and the diameter stable state time can be prolonged when the equipment is used for preparing the preform.

The invention specifically relates to a burning lance and an energy-saving and environment-friendly kiln. The burning lance comprises a lance sleeve, a lance core and a lance head. The lance sleeve isarranged on the outer side of the lance core in a sleeving manner. The lance core and the lance head are fixedly connected. A wind blocking sheet is fixed to the portion, close to the lance head, ofthe outer wall of the lance core. Combustion-supporting air holes are formed in the wind blocking sheet. Fuel gas holes are further formed in the portion, close to the lance head, of the side wall ofthe lance core and are located between the lance head and the wind blocking sheet. The burning lance is high in combustion reaction speed and sufficient in combustion, and the energy consumption is reduced. The energy-saving and environment-friendly kiln comprises a kiln body, burning lances, a fuel tank, a heat exchanger and a combustion-supporting draught fan; the burning lances penetrate through the side wall of a high-temperature section of the kiln body; fuel gas inlets are connected with the fuel tank; combustion-supporting air inlets are connected with an outlet of the combustion-supporting draught fan; combustion-supporting air heating and heat exchanging pipes are arranged on the top of a slow-cooling section of the kiln body and are connected with the inlet end of the heat exchanger; and the outlet end of the heat exchanger is connected with an inlet of the combustion-supporting draught fan. Waste heat of the energy-saving and environment-friendly kiln is sufficiently utilized, and the use amount of fuel is decreased.

The invention provides a filler recovery device for thermosetting plastic waste and a recovery method. The filler recovery device mainly comprises a feeder, a feeder translation device, a rotary heating furnace, a spiral feeder, a cooling spray furnace, a dust filter, a tail gas purification furnace, a VOC detection device, a hydraulic lifting mechanism, a water cooling system, an air input system, a nitrogen input system, an electrical control system and the like. Organic matter in the thermosetting plastic waste is removed through a long-time high-temperature aerobic combustion method, filler in waste is recycled and can be reused for production of thermosetting plastic, cyclic utilization of the waste is achieved, and therefore the production cost is reduced, environmental pollution is reduced, and economic benefits are improved; and moreover, the production process of centralized feeding, high-temperature aerobic calcining, inclined discharging, continuous spraying cooling and continuous discharging is adopted, the device is compact in structure and high in production efficiency, and continuous batch production can be achieved.

The invention discloses a gas mixed clean fuel, and belongs to the technical field of fuel combustion. The purpose of the invention is to provide the clean fuel containing multiple mixed gases and having a high combustion efficiency and a low production cost. The fuel comprises, by mass, 36-42% of natural gas, 24-32% of water gas, 2-6% of liquefied petroleum gas and 25-35% of methyl ether. The natural gas, water gas, liquefied petroleum gas and dimethyl ether are mixed according to a reasonable ratio, so the advantage complementation of all above fuels is well achieved, the combustion efficiency is obviously improved, and the gas mixed clean fuel also has the advantages of no environmental pollution during combustion, facilitation of atmospheric environmental protection, reduction of the overall cost, and significant commercial and economic benefits.