25 results about "Organic fuel" patented technology

The invention belongs to the technical field of high-entropy metal oxide nano powder materials, and particularly relates to a novel high-entropy metal oxide material for a negative electrode of a lithium ion battery and a preparation method of the novel high-entropy metal oxide material. On the basis of a solution combustion synthesis technology, a redox reaction system is constructed by adopting metal nitrate and organic fuel (such as citric acid, urea and the like), three spinel type high-entropy metal oxide nano powder materials with good electrochemical performance are provided and comprise (FexCoyNizCrmLin) 3O4, (FexCoyNizCrmLinZnq) 3O4 and (FexCoyNizCrmLinMgq) 3O4, the ratio of x: y: z: m: n: q is (0.1-1): (0.1-1): (0.1-1): (0.1-1): (0.1-1): (0.1-1): (0.1-1): (0.1-1): (0.1-1), and the reversible specific capacity can reach 442.2-1190.3 mAhg <-1 > after 400 cycles under the current density of 500 And the rapid synthesis process significantly shortens the time required by traditional sintering, the obtained powder product also has the characteristics of narrow particle size distribution, high grain boundary purity, excellent chemical uniformity and the like, and an effective preparation way is provided for developing a high-performance electrode material.

The invention relates to a photocatalytic fuel cell based on a cadmium sulfide titanium dioxide composite photo-anode and application, and relates to the technical field of preparation of novel photo-electrode materials, the cell adopts a continuous ion deposition method to prepare a CdS quantum dot modified TiO2 photo-anode with a specific layer number, and the CdS quantum dot modified TiO2 photo-anode, a platinum cathode and an ion exchange membrane form a synergistic system. The layer number and the particle size of CdS quantum dots in the photo-anode are accurately controlled, an efficient heterojunction structure is constructed, and the visible light utilization and charge separation efficiency is improved to the maximum extent; a chemical bonding effect is formed on the surface of the photo-anode by using carboxyl-containing organic fuel, so that an electron transmission path is obviously accelerated; the dual functions of organic wastewater degradation and electric energy synchronous output are achieved, and long-term operation stability is kept. The technology provides an efficient and low-consumption solution for resourceful treatment of industrial organic wastewater.

The present invention provides a multi-level porous micro-nanostructured lithium-rich manganese-based positive electrode material and a preparation method thereof. First, lithium nitrate, manganese nitrate, cobalt nitrate, nickel nitrate, organic fuel, and organic carbon source are dissolved in deionized water to obtain a uniform mixed solution. Then, the mixed solution is atomized to form carbon-containing droplets. Nitrogen is used as a protective gas and a carrier gas to cause the carbon-containing droplets to undergo a self-propagating combustion reaction at a certain ignition temperature to obtain a combustion product powder; the combustion product is placed in a crucible and calcined in an inert atmosphere to obtain a calcined powder; the calcined powder is placed in a crucible and calcined in an air atmosphere to remove carbon; the calcined product is fully ground to obtain a multi-level porous micro-nanostructured lithium-rich manganese-based positive electrode powder. The present invention obtains a multi-level porous micro-nanostructured lithium-rich manganese-based positive electrode material with both micropores and mesopores, which can effectively prolong the cycle stability of the lithium-rich manganese-based positive electrode material. The present invention has a simple process, low energy consumption, low price, high capacity retention rate, and good industrial application prospects.

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.

To provide an operating method for a boiler device that suppresses emissions of carbo dioxide during an operation.SOLUTION: An operating method for a boiler device includes: burning organic fuel in a first combustion chamber; burning inorganic fuel in a second combustion chamber connected to the first combustion chamber; and supplying carbon oxide gas generated through combustion of the organic fuel to the second combustion chamber. The inorganic fuel is an inorganic substance combustible in the presence of combustion-supporting gas including carbon oxide gas, inorganic hydrate obtained through hydrogenation of at least part of the inorganic substance or their mixture.SELECTED DRAWING: Figure 1

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.

Provided is an operation method for a boiler device with which a carbon dioxide discharge amount during operation is limited. This operation method for a boiler device includes: burning an organic fuel in a first combustion chamber; burning an inorganic fuel in a second combustion chamber connected to the first combustion chamber; and supplying a carbon oxide gas generated by burning the organic fuel to the second combustion chamber. The inorganic fuel is an inorganic substance that can be burned in the presence of a combustion-assisting gas containing a carbon oxide gas, a hydrogenated inorganic substance resulting from hydrogenation of at least a part of the inorganic substance, or a mixture of the two.

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.

In order to suppress unnecessary ignition of an inorganic matter fuel when co-firing an organic matter fuel and the inorganic matter fuel and thereby achieve safer combustion control for a mixed fuel, a power generation system (100, 200) according to the present disclosure comprises a boiler device which comprises a combustion chamber (21) and a fuel supply unit which has a first retaining unit (11) for retaining an organic matter fuel (F1) and a second retaining unit (12) for retaining an inorganic matter fuel (F2). The fuel supply unit adjusts the state of delivery of the organic matter fuel (F1) from the first retaining unit (11) and the state of delivery of the inorganic matter fuel (F2) from the second retaining unit (12) such that a mixed fuel (F) of the organic matter fuel (F1) and the inorganic matter fuel (F2) is supplied to the combustion chamber (21) when at least one condition from among the condition (1) of being before a prescribed amount of time passes from mixture, the condition (2) of being before the mixed fuel (F) reaches a prescribed temperature, and the condition (3) of being before steam generated from the mixed fuel (F) reaches a prescribed amount is satisfied.

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.

To achieve safer combustion control of a mixed fuel by suppressing unwanted ignition of an inorganic fuel when mixing and igniting organic and inorganic fuels.SOLUTION: A power generation system 100, 200 according to the present disclosure includes a boiler device having: a combustion chamber 21; and a fuel supply part having a fuel holding part 11 for holding an organic fuel F1 and a fuel holding part 12 for holding an inorganic fuel F2. The fuel supply part adjusts a delivery state of the organic fuel F1 from the fuel holding part 11 and a delivery state of the inorganic fuel F2 from the fuel holding part 12 such that the mixed fuel F of the organic fuel F1 and the inorganic fuel F2 is supplied to the combustion chamber 21 when at least one of the following conditions is satisfied; (1) before a predefined period of time from the mixing; (2) before the mixed fuel reaching a predefined temperature; and (3) before the steam generated from the mixed fuel reaching the predefined quantity.SELECTED DRAWING: Figure 2

The invention relates to the field of proton exchange membrane water electrolysis, in particular to a doped and modified cobalt-based catalyst and a preparation method thereof. Cobalt and nitrate doped with metal are dissolved in a liquid solvent containing combustible organic fuel to form a combustion solution, the porous carbon substrate is soaked in the combustion solution and taken out, combustion reaction is triggered through open fire ignition, and the catalyst is obtained. In the combustion process, the violent oxidation-reduction reaction is accompanied with rapid release of a large amount of gas, and abundant micropore structures and defect sites are induced to be formed on the surface of the substrate, so that the obtained catalyst has relatively high specific surface area and activity, and the catalytic efficiency is favorably improved.

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 present invention relates to the field of catalyst technology, and in particular to a method for in-situ carbon capture and conversion based on a three-way catalyst. The present invention proposes a design concept for in-situ carbon capture and conversion, achieved by designing a three-way catalyst comprising an active component A that catalyzes the steam reforming reaction of organic matter, an active component B that catalyzes the in-situ conversion of CO2, and a support with CO2 capture properties. The active component A is at least one of Ni, Co, Fe, Mn, Pt, Ru, Rh, and Pd; and the active component B is at least one of Ni, Fe, Co, Mo, Pt, Ru, Rh, Pd, Cu, Zn, and Al. This method has the multiple functions of catalyzing the steam reforming of organic matter to produce hydrogen, and achieving in-situ carbon dioxide capture and conversion to produce high-value organic fuels.

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 present invention discloses a high entropy metal oxide material for lithium ion battery negative electrode and its preparation method and application. The chemical formula of the high entropy metal oxide material provided by the present invention is (Fe 1 / 6Co 1 / 6 Mg 1 / 6 Cr 1 / 6 Li 1 / 6 Zn 1 / 6 )3O4, prepared by solution combustion method using nitrates of six metals and organic fuel as raw materials. The high entropy metal oxide material of the present invention has good rate performance and cycle stability when used for the negative electrode of lithium-ion batteries. After 150 cycles at a current density of 100mA / g, the reversible specific capacity can reach more than 650mAh / g. At the same time, after 2000 cycles at a high current density of 2000mA / g, the capacity remains above 100mAh / g, showing excellent cycle stability; when the current drops from the high current density of 2000mA / g to 100mA / g, the capacity is almost completely restored, and the recovery rate reaches more than 99.5%, showing excellent rate performance. At the same time, the process is simple, the production efficiency is high, the energy consumption is low, the repeatability is good, and it has good practical application value.

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.