15 results about "Organic fuel" patented technology

Explosive compositions for use in high temperature, reactive ground, or both, are disclosed. The explosive compositions can include an emulsion with a continuous organic fuel phase and a discontinuous oxidizer phase. The oxidizer phase can include one or more Group I or Group II nitrates.

The invention relates to the technical field of lithium ion batteries, in particular to a lithium manganese iron phosphate positive electrode material and a preparation method thereof.The preparation method comprises the steps that a manganese source, an iron source and organic fuel are dissolved in a solvent and evenly mixed to obtain a mixed solution, and a self-propagating reaction is initiated through a solution combustion synthesis method; and after the reaction is finished, obtaining the ferromanganese composite oxide precursor with a three-dimensional porous spongy microstructure. The core advantage of the invention is that the three-dimensional porous spongy precursor skeleton is directly constructed in situ without depending on any additional template. The authigenic porous structure endows the precursor with a huge specific surface area and an interpenetrating pore channel network.

The application provides a method for synchronously preparing a metallurgical dephosphorizing agent by gasifying flue gas of a calcium-based reinforced metallurgical furnace and desulfurizing flue gas, and belongs to the technical field of metallurgical energy-saving and environmental protection. The method uniformly loads calcium-based materials on coal gasification raw materials through pretreatment loading, sprays the calcium-based materials into a metallurgical furnace gasification flue through a spraying system on the metallurgical furnace gasification flue, realizes coal gasification under the action of high-temperature flue gas, and the loaded calcium-based materials play a role in strengthening organic fuel cracking gasification in the process. Meanwhile, sulfur-containing flue gas released by the organic fuel is solidified by the calcium-based materials, the solidification products enter a dust removal system with dust, the calcium-based materials react with iron-containing components in the dust in the metallurgical furnace gasification flue to generate calcium ferrite with dephosphorizing metallurgical performance, and the calcium ferrite enters the dust removal system with the dust. The collected dust removal ash is used for high-value dephosphorizing agent production after being separated and purified through magnetic separation, and provides an effective way for the sustainability and economical production of the metallurgical industry.

The application belongs to the technical field of materials, and discloses a Pd nanoparticle loaded H-ZSM-5 nanomaterial, a preparation method and application of the Pd nanoparticle loaded H-ZSM-5 nanomaterial, the preparation method comprising the following steps: step 1: 1-butyl mercaptan is added drop by drop into a palladium acetylacetone solution, and the palladium acetylacetone / 1-butyl mercaptan complex is obtained through sufficient stirring reaction; step 2: H-ZSM-5 molecular sieves are added, and the complex is adsorbed on the outer surface of the molecular sieves; after centrifugation and drying, a precursor is obtained; step 3: the precursor is subjected to gas phase migration to obtain a treated precursor; step 4: a reduction reaction is performed; after drying and cooling, the required nanomaterial is obtained; the catalyst obtained by the application has high spatial selectivity, and >85% Pd is distributed in the pore channel; the size is monodisperse, the pore channel geometry is limited to replace the polymer template, and there is no shielding effect; and the preparation method is green and environmentally friendly, and does not need a strong reducing agent, organic fuel or high-temperature calcination.

The present application relates to the field of calcium oxide synthesis, and discloses a method for synthesizing nanospherical calcium oxide carbon dioxide adsorbent.The method comprises the following steps: dissolving calcium nitrate and organic fuel in a solvent to prepare a precursor solution, wherein the solvent is deionized water or a mixture of deionized water and anhydrous ethanol; pressurizing the precursor solution and then feeding it into a pneumatic atomizing nozzle to form a precursor solution spray, and then feeding the precursor solution spray into a vertical tubular furnace to generate a combustion reaction, thereby obtaining nanospherical calcium oxide carbon dioxide adsorbent.The present application changes the form of the precursor solution by using a spray method, and further adjusts the size of the product particles by adjusting the usage ratio of the precursor raw materials, the reaction temperature and other methods, thereby obtaining nanospherical calcium-based carbon dioxide adsorbent with high carbon dioxide capture performance.

The utility model discloses an electric heating device for chemical experiments, which relates to the technical field of chemical experiments and comprises an electric heating furnace, a heat gathering cover, a heat gathering ring and a Y-shaped hoop, the heat gathering cover is a circular ring with a sealed top end, a top plate of the heat gathering cover is provided with a top hole, the side wall of the heat gathering cover is symmetrically provided with two side holes, the two side holes are concentrically arranged, and the Y-shaped hoop is arranged on the top plate of the heat gathering cover. The distance from the circle center of the side hole to a heating disc of the electrothermal furnace is smaller than the radius of the side hole; an observation hole is further formed in the side wall of the heat gathering cover, the axis of the observation hole is perpendicular to the axis of the side hole, the heat gathering ring is a circular ring with the two ends open, and the inner diameter of the heat gathering cover and the inner diameter of the heat gathering ring are the same as the outer diameter of a heating disc of the electric heating furnace. According to the electric heating device for the chemical experiment, a traditional alcohol lamp is replaced with an electric heating mode, so that environmental pollution and potential safety hazards caused by combustion of organic fuel are avoided, and a cleaner and safer working environment is provided for experimenters.

The application selects biological cotton as a template, and adopts a simple solution combustion method to prepare nano-porous MgCo2O4 material. The method is to use magnesium nitrate and cobalt nitrate as an oxidant, organic fuel citric acid as a reducing agent, dissolve in a certain amount of deionized water to form a mixed solution, soak the biological cotton in the mixed solution for a certain time, and calcine the soaked cotton to obtain nano MgCo2O4 with a porous structure and carbon defects. The MgCo2O4 with porous carbon defects is prepared by one-step solution combustion method, which is fully ground and mixed with AP at a certain mass ratio, and the catalytic material with excellent catalytic performance for thermal decomposition of AP is obtained through differential thermal analysis. Not only the rapid progress of AP thermal decomposition reaction is effectively ensured, but also the apparent decomposition heat of AP thermal decomposition is further improved, which creates conditions for the continuous combustion of composite solid propellant.

The utility model relates to a soot aerosol generating device. The device comprises a soot aerosol generating system and a gas supply system. The soot aerosol generating system comprises an oxidizing gas laminar flow cavity, a combustion cavity and a cooling and uniform mixing cavity; the oxidizing gas laminar flow cavity is provided with an oxidizing gas inlet and a fuel gas conveying pipe; a laminar flow plate is arranged at the lower end of the oxidizing gas laminar flow cavity; a plurality of laminar flow holes are formed in the laminar flow plate; the gas outlet end of the fuel gas conveying pipe penetrates through the oxidation gas laminar flow cavity and then extends into the combustion cavity, and a bluff body combustion head is installed at the gas outlet end of the fuel gas conveying pipe. On the basis of diffusion flame combustion processes of organic fuel under different combustion conditions, soot aerosols with different particle sizes and different concentrations can be generated in a wide range, and the generated soot aerosols are stable in physicochemical property and can be applied to multiple fields such as instrument test calibration and combustion characteristic research.

The invention relates to the technical field of catalyst preparation, and discloses a nickel-doped molybdenum carbide perovskite composite catalyst for hydrogen production and a preparation method thereof.The preparation method comprises the steps that in a three-dimensional porous conductive framework, a metal salt precursor and organic fuel which are evenly mixed in an atomic scale are rapidly dried to form a solid precursor coating, and the solid precursor coating is formed through local instantaneous energy excitation; according to the preparation method, a self-propagating solid-phase deflagration reaction is triggered, so that in-situ synthesis of the composite catalyst and integrated construction of the composite catalyst and a framework are completed under the condition that external continuous heating is not needed, intrinsic chemical energy in a precursor is utilized to realize local instantaneous high-energy synthesis and macroscopic low-temperature maintenance, and the preparation method is simple and convenient. And thermally induced sintering loss of active sites in traditional high-temperature preparation is avoided.

This invention relates to the field of metal surface treatment technology. The method first involves anodizing an aluminum alloy sheet in a sulfuric acid electrolyte to obtain a porous oxide film. Then, using this film as the cathode, ultrasonic pulse electrochemical sealing is performed in a colloidal sealing solution containing an oxidant, organic fuel, and a boron source. Utilizing the ultrasonic cavitation effect and the relaxation characteristics of the pulsed electric field, directional deposition of colloidal particles deep within the micropores is achieved. Finally, gradient heat treatment completes low-temperature drying, liquid-phase pre-melting, self-propagating reaction initiation, and densification sintering. This method optimizes mass transfer and buffers thermal stress through a boron-source molten liquid-phase medium. It utilizes an in-situ self-propagating exothermic reaction to create localized high temperatures, promoting the transformation of the pore filler into a chemically inert, dense ceramic phase. This solves the problems of high-temperature cracking in traditional hydrated sealing layers and air pockets at the bottom of conventional physical filling pores, improving the high-temperature resistance, thermal shock resistance, and long-term chemical corrosion resistance of high-strength aluminum alloy sheets such as 6061 and 7075.

The invention relates to the technical field of coal-fired boilers, in particular to an on-line monitoring system and electronic equipment for blending combustion of organic fuel in a coal-fired boiler, and the system comprises a collection assembly which is used for collecting component data of various fuels before and after blending combustion of the boiler, and the various fuels comprise fuel, organic fuel and mixed fuel, the component data comprises a lower calorific value, moisture and ash content; the detection assembly is used for monitoring operation state change data after boiler combustion, and the operation state change data comprise the fly ash carbon content and the exhaust gas temperature; and the processing assembly is in communication connection with the acquisition assembly and the detection assembly and is used for calculating the carbon emission of the organic fuel according to the component data of the various fuels before and after the blending combustion of the boiler and the operation state change data after the combustion of the boiler. Therefore, the problems that in the prior art, in the organic fuel blending combustion process of a coal-fired boiler, due to the fact that fuel components are changeable, carbon emission metering is inaccurate and economical efficiency evaluation is difficult, the blending combustion process cannot be monitored in real time, and efficient and economical operation cannot be achieved are solved.

The invention belongs to the technical field of biomass chemical separation, and particularly relates to a furfural light component aqueous solution separation method. Comprising the following steps: S1, separating low-boiling-point organic matters in a light-component solution through a negative-pressure distillation tower; s2, extracting tower bottom liquid of the negative-pressure distillation tower to a distillation kettle, and separating furfural from water and acetic acid through atmospheric distillation; s3, condensing the low-boiling-point organic matters in the S1, and collecting the condensed low-boiling-point organic matters as organic fuel; and S4, mixing water-containing aldehyde steam produced by the distillation kettle in the step S2 with aldehyde steam produced by the furfural stock solution distillation tower, feeding the mixture into an aldehyde steam condenser to recover furfural, and collecting kettle bottom liquid as a carbon source for sewage treatment. The method provided by the invention not only solves the problems of high treatment cost and difficulty in recovery of furfural light components, but also reduces the wastewater discharge amount, and solves the problems of high COD (Chemical Oxygen Demand) in wastewater, complex organic matter components, containing aldehyde bactericidal substances and difficulty in sewage biochemical treatment.

The invention discloses a preparation method of nano oxide dispersion strengthened aluminum alloy powder, and relates to the technical field of powder metallurgy. The preparation method of the nano oxide dispersion strengthened aluminum alloy powder based on solution combustion synthesis comprises the following steps: preparing a solution of nitrate corresponding to the aluminum alloy powder and the oxide, and sintering and synthesizing the aluminum alloy powder and the nano oxide. A preparation method of nanometer oxide dispersion strengthening aluminum alloy powder comprises the steps that nitrate and organic fuel (such as CH6N4O) with a specific proportion are dissolved in deionized water to form a uniform oxidation-reduction solution, and a low-temperature self-propagating combustion reaction is initiated through microwave heating or an external heat source; the solution is sequentially subjected to low-temperature preheating, high-temperature concentration, foaming and severe combustion stages, metal ions and fuel are subjected to an oxidation-reduction reaction in the reaction process to generate nanoscale oxide particles (such as Al2O3), and meanwhile a large amount of gas is released to form a porous precursor; after combustion is finished, residual organic matters are removed through washing, drying and subsequent heat treatment, and finally the spherical or nearly spherical composite powder with the average particle size being 40-60 nm and the oxide volume fraction being controllable and evenly dispersed and distributed in an aluminum matrix is obtained. According to the method, carbon residues can be effectively inhibited and the deflagration phenomenon can be avoided by accurately regulating and controlling the oxidizing agent / fuel molar ratio and the combustion temperature, the fine size and high dispersity of nano oxide particles are ensured, and the obtained powder has good fluidity and high apparent density and is suitable for advanced forming processes such as metal additive manufacturing and powder metallurgy hot extrusion; and the high-temperature strength, the radiation resistance and the comprehensive mechanical property of the aluminum alloy are remarkably improved.

The utility model discloses a kind of heating stove for barbecue and hot pot, to solve the single function of existing barbecue stove, hot pot equipment and heating stove, cannot simultaneously satisfy the problem of multifunctional demand. The heating stove includes furnace body, and the upper end of furnace body is equipped with baking tray, and first heat source is equipped below baking tray. Second heat source is further equipped in furnace body, and the side wall of furnace body is equipped with the air-permeable net that second heat source and outside are conducted, realize heating function. First heat source and second heat source can use organic fuel, can also use electric power heat energy, and first heat source and second heat source can be used alone. To further improve heating effect, reflector and fan are parallelly equipped in furnace body, and second heat source is located between the two, wherein reflector is usually bowl-shaped structure towards second heat source. The utility model effectively integrates barbecue, hot pot and heating function, and gives consideration to aesthetics and convenience, greatly improve the practical value and user experience of product.

The invention discloses a device and a method for treating heavy metal-microplastic combined polluted soil by a smoldering technology. The device comprises a reactor, a screw feeder, a storage bin, an air pump and an ignition device. The method comprises the steps of air drying, mixing, feeding, igniting and reacting. According to the method, the smoldering technology is applied to treatment of the heavy metal-micro-plastic composite polluted soil, and compared with a traditional single pollution treatment technology, through high temperature generated in the smoldering process, on one hand, micro-plastic serves as organic fuel to be subjected to pyrolysis, mineralization and removal instead of simple physical separation or low-efficiency biodegradation, and on the other hand, the smoldering technology is applied to treatment of the heavy metal-micro-plastic composite polluted soil; and on the other hand, the occurrence form of the heavy metal is changed through the high-temperature effect, so that the heavy metal is converted from an active acid soluble state and a reduction state to a stable residue state and an oxidation state, the bioavailability and the mobility of the heavy metal are remarkably reduced, and synergistic removal and long-acting fixation of composite pollutants are realized.