301results about How to "High combustion value" patented technology

The invention discloses a technology for preparing organic fuel through directly converting carbon dioxide by using sunlight and a photothermal catalyst. Sunlight is utilized to supply light and heat for the synthesis and catalytic process of the photothermal catalyst, and the photothermal catalyst can simultaneously absorb and utilize ultraviolet light, visible light and infrared light parts in sunlight, so that a phtothermal catalytic reaction is induced to prepare the organic fuel through reducing carbon dioxide by using hydrogen. The photothermal catalyst comprises the following components: an active component which is a 2-30 nano-scale non-stoichiometric oxide belonging to a VIII-family element in a transition family and a carrier material which is an oxide or carbon material with the specific surface area of 30-1000cm<2>/g, alkaline resistance, high heat conductivity or photocatalytic activity. A steeping and in-situ sintering method or photodepositing and in-situ sintering method is used as a synthesis method so that the energy consumption is low, and the photothermal catalyst has high activity and long service life by using a solar-assisted in-situ sintering technology. The technology for preparing organic fuel through directly converting carbon dioxide by using sunlight and the photothermal catalyst is low in energy consumption in the catalytic process, high in organic fuel production efficiency and stable in catalyst activity.

An underground coal gasification method. The method comprises disposing multiple injection wells (3) and gas collection wells (4) in a gasification operation zone; adding a catalyst and a propping agent into injection wells and gas collection wells by means of a fluid medium; fracturing and reforming the coal layer using a fracturing device to form large areas of fissures and cracks; forming gasification paths in the form of directional wells between the injection wells and gas collection wells; adding a gasification agent, a catalyst, and water through the injection wells to cause coal layer combustions and chemical reactions; collecting at the gas collection wells the gas produced by means of collection devices. The fissure paths between the wells formed by reforming large fractures, and the metal mineral particles used as a propping agent for the paths between wells effectively enable the maintenance of the effective communication in the injection well network for long durations; the metal mineral particles also function as a catalyst and an aggregating agent during gasification, thereby substantially enhancing the coal gasification volume.

The invention discloses an alcohol-based fuel combustion improver and an alcohol-based fuel. The alcohol-based fuel combustion improver consists of 4.9-93 parts by weight of co-solvent, 4.9-93 parts by weight of bio-oil, 0.1-0.3 part by weight of smoke suppression combustion improver and 1.0-3.0 parts by weight of combustion improver; and the alcohol-based fuel is formed by mixing and stirring 80-99 parts by weight of methanol and 1-20 parts by weight of alcohol-based fuel combustion improver. By adopting the combustion improver disclosed by the invention, the prepared alcohol-based fuel is a novel biological environment-friendly alcohol-based fuel, the calorific value is as high as 6,000-10,000 calories/g, and the combustion performance is good; and moreover, the alcohol-based fuel has high flash point and low volatility, and potential safety hazards in the prior art are eliminated. The alcohol-based fuel disclosed by the invention also has the characteristics of being safe and environment-friendly, reproducible, clean and sanitary, convenient to use, cheap and the like.

The invention discloses a coal-fired catalyst with high efficiency, the coal-fired catalyst essentially comprises the following components in accordance with the mass percentage content: 20 to 40 percent of potassium salt, 10 to 25 percent of industrial grade sodium chloride, 15 to 30 percent of quicklime, 9 to 15 percent of bauxite, 1 to 4 percent of rare earth elements, and 0.1 to 1 percent of ferric oxide, wherein, the main ingredients of the invention are monovalent and divalent alkali metal salts, bauxite and rare earth elements. The coal-fired catalyst has catalytic combustion, sulfur fixing and improvement of the properties of coal combustion, and therefore, the coal-fired catalyst plays a comprehensive role of coal conservation and emission reduction of pollutants, and is suitable for a variety of large-scale civic or industrial coal-fired boilers. The catalyst has simple use, adequate raw materials supply, simple preparation, low price, stable performance and pollution-free for the environment, therefore, the catalyst as an ideal coal-fired catalyst has obvious social and economic benefits.

The invention provides a biomass pellet fuel and a preparation method thereof. The biomass pellet fuel comprises the following components, by weight: herbivorous animal manure, agricultural waste, illegal cooking oil, calcium oxide, calcium sulfate, propionic acid, kaolin, diatomaceous earth, bentonite, calcium peroxide, aluminum hydroxide, propylene glycol, polyvinyl alcohol, an oxygenate, an antiknock agent, a combustion improver, and a bulking agent. The biomass pellet fuel has low water content and high lignin content. According to the invention, a large amount of agricultural waste and animal manure are utilized. Air pollution caused by the activities of burning agricultural waste is greatly reduced, and animal manure can be effectively treated, such that recycling application value is improved, and the fuel is more environment-friendly. Compared to conventional biomass pellet fuels, the biomass pellet fuel provided by the invention has the advantages of high combustion value, long combustion time, no harmful gas emission after combustion, and no corrosion to combustion equipment.

The present invention provides biomass fuel and a preparation method therefor. The biomass fuel comprises the following ingredients in parts by weight: lignin, agricultural wastes, sea mud, sepiolite flocking, aluminum oxide, silane coupling agents, ammonium chloride, dimethyl silicone oil, yeast extract powder, capsaicin, di-tert-butyl hydroquinone, oxygenates, a shock-resistant and antiknock agent, a combustion improver, and a bulking agent. The biomass fuel has low moisture content and high lignin content. With the use of a large amount of agricultural wastes, air pollution caused by burning agricultural wastes and other activities is greatly reduced, and recycling utilization value is improved, so that the biomass fuel is more environmentally friendly. Compared with conventional biomass fuel particles, the biomass fuel provided by the present invention has a high fuel value, a long burning time, no discharge of harmful gas after combustion, and no corrosion on a combustion device.

A synthetic liquid fuel for civil purpose is prepared from alcohol, H2O2, acetone, camphor extract or essence, and multifunctional additive through proportioning, sequentially mixing and stirring for 3-8 min. Its advantages are low cost, high heat value and no carbon deposit.

The invention provides a preparation method for coal water slurry used for gasification. The preparation method comprises the following steps: step S1, adding water to dilute slime so as to obtain coal slime; step S2, adding coal and water into the coal slime and carrying out mixing so as to obtain mixed coal slurry; and step S3, grinding the mixed coal slurry so as to obtain the coal water slurry for gasification. According to the invention, the slime is diluted with water to prepare the coal slime, which facilitates transportation; then coal and water are added and mixing is carried out so as to prepare the mixed coal slurry; and the coal water slurry for gasification is eventually obtained through grinding. The method prepares the coal water slurry for gasification with an appropriate concentration through dilution at first and supplementation of coal to adjust coal concentration of a product next, so transport of slime according to needs of practical utilization distance is realized, the coal water slurry for gasification with a high combustion value is prepared, and the economic performance of utilization of slime is improved.

Relating to the field of sludge treatment, the invention provides a method for sludge dehydration and drying. The method comprises the steps of: sending the sludge to be treated and a hot dry gas into a centrifugal desiccation machine (3), and sending out separated clear water and a gas/liquid mixture respectively from the centrifugal desiccation machine (3); delivering the gas/liquid mixture into a cyclone separator (4), and sending out dried clean solid particles from the lower part of the cyclone separator (4); pumping out moisture-containing exhaust gas from the upper part of the cyclone separator (4); delivering the moisture-containing exhaust gas into an incinerator (5), the fuel of which is provided by an oil supply system (1), and combusting the exhaust gas in the incinerator (5) for 2sec at a temperature of 900DEG C, and sending the combusted high temperature purified gas into high-low temperature gas mixer (2) for mixing so as to obtain a purified gas of 280DEG C, providing part of the purified gas to the centrifugal desiccation machine (3) for drying, and discharging the other part of the purified gas into air through a chimney (7). In the invention, the moisture-containing exhaust gas pumped out dose not need cleaning treatment by cooling water, so that the water resource is substantially saved, and environmental protection treatment to the cooling and cleaning water is avoided. And dual application of one incinerator can improve the incinerator work efficiency. The method provided in the invention has the advantages of less equipment, simplified structure, reduced investment cost, and higher economic benefits.

The invention discloses a biomass granular fuel. The biomass granular fuel is prepared via uniform mixing of following materials and compression moulding of an obtained mixture. The materials comprise, by mass, 50 to 60% of biomass carbon powder, 30 to 40% of municipal organic solid garbage fragment, 1 to 10% of coal dust, 1 to 2% of coal tar, 0.2 to 0.5% of a sulfur fixing agent, and 0.1 to 0.3% of ferrous sulphate. The outer surface of the biomass granular fuel is coated with a layer of biomass polyester. According to the biomass granular fuel, organic combination of biomass energy, mineral fuel, and municipal organic solid garbage is realized; the obtained biomass granular fuel is excellent in caking ability, high in combustion value, and low in combustion pollution, and is beneficial for construction of ecological environment; sulfur dioxide and fly ash are hardly generated; and the outer surface of the biomass granular fuel is coated with a layer of biomass polyester, so that storage and transportation of the biomass granular fuel is convenient, and fragmentation of particles is not easily caused.

The invention provides a biological alcohol oil composition which is characterized by comprising the following materials in parts by weight: 79 to 89 parts of methanol, 10 to 20 parts of water, 5 to 10 parts of mixed emulsifier and 0.2 to 0.5 part of ferrocene. The mixed emulsifier comprises water, potassium hydroxide, sodium hydroxide, ethyl acetate, ethanol and inevitable impurities. The biological alcohol oil composition provided by the invention has a high combustion value, can be burned completely and does not pollute air. The invention provides a preparation method of the biological alcohol oil composition.

The invention relates to biomass particle fuel which comprises the following components in parts by weight: 40-70 parts of animal waste, 50-80 parts of biomass, 20-35 parts of gangue powder, 12-20 parts of bulking agent and 20-28 parts of combustion improver. The biomass particle fuel is low in water content and high in lignin content; and the abundant animal waste and the abundant biomass are utilized, so that pollution of activities such as animal waste incineration to air is greatly reduced, the biomass is effectively treated, a recycling value is increased, and the biomass particle fuel ismore environment-friendly. Compared with the conventional biomass particle fuel, the biomass particle fuel is high in combustion value and long in combustion time, has no harmful gas discharge aftercombustion, and cannot corrode combustion equipment.

The invention discloses a comprehensive treatment device and method for kitchen waste. The comprehensive treatment device and method are used for kitchen waste treatment. By the adoption of the comprehensive treatment device and method, a solid-liquid mixture (the mixture of original food, grease, water and the like) in the kitchen waste and solid waste (such as original food packaging materials and containing materials) are separated and then treated respectively; the grease in the solid-liquid mixture is separated to be used for producing biodiesel, the solid-liquid mixture without the grease is fermented for producing methane, and biogas residues form organic fertilizer finally; aerobic bio-drying and wind separation are conducted on the solid waste to form waste derived fuel; and waste leachate generated in the comprehensive treatment process is treated through a sewage treatment device and then drained. After the kitchen waste is treated through the comprehensive treatment technology, the purpose of recycling, reducing and harmless treatment is achieved.

The invention discloses belongs to the technical field of sludge deep dehydration and relates to a novel sludge deep dehydration rinsing agent. The rinsing agent comprises the following substance according to weight percentage: 5 to 30 percent of activated charcoal powder, 30 to 70 percent of fly ash, 5 to 30 percent of quicklime powder, and 1 to 20 percent of polyaluminum ferric chloride. The invention further discloses a using method of the rinsing agent. In the invention, the rinsing agent added is cheap material, and replaces rinsing agents such as conventional polyacrylamide flocculating agent, iron trichloride, calcium oxide and the like, and after dehydration, sludge cakes can be used as raw material for building material and fuel.

The invention provides a manufacturing method of a sludge biomass compact briquette fuel. The traditional method has different weaknesses. The manufacturing method comprises the following steps: selecting the domestic sewage sludge as a main raw material; stacking the mixed material on a fermentation field to form a stack body, and spraying a deodorized fermentative bacteria liquid capable of promoting the rotting of the material on the surface of the stack body; spraying white-rot fungi liquid containing decomposed lignin and composite organism and having a function for absorbing the water and drying the stacked material on the surface of the stack body after the stack body is stacked for a first predetermined time, and deeply turning the stack body; turning the stack body one time every a second predetermined time until the moisture content of the stack body material is reduced to 30 percent, and ending the stacking fermentation process; adequately mixing the fermented dry material and the wood fiber biomass material by adopting the water content of the mixture of 18 percent as a benchmark, and extruding and forming the mixture. The method is simpler to operate, the technological parameters are stable and easy to control, the energy consumption is greatly reduced, no non-biomass additive is added, and the product is cleaner and more environment-friendly.

The invention relates to an environment-friendly liquid fuel with high heating value, comprising the ingredients with the following weight ratio contents: 70-75 of methanol, 10-15% of water, 13-16 turpentine oil and 1-4 of additive. The additive is prepared by hydrogen peroxide with weight percent concentration of 30%, cyclohexane, ferrocene, liquid paraffin and ethanol. The preparation method comprises the following steps: firstly preparing the additive, then adding the methanol, water and turpentine oil into an agitated tank, finally adding the prepared additive in proportion to obtain the product after agitating. The invention has the advantages of low fuel cost, simple and convenient production technique, high heat value of combustion, easy procurement of raw materials, no pollution and saved energy, produces no harmful gases in the process of combustion, thus being convenient, practical, safe and environment-friendly.

The invention discloses a low-chlorine value biomass briquette fuel. According to the invention, the pretreated corn straws are taken as a raw material for anaerobic fermentation for 10-20 days, so that mechanical endurance of the briquette fuel is increased, magnesium carbonate is taken as an anti-slagging agent, during a combustion process, the Mg element and elements such as Si, K, and Na which are inherent in the corn straws and are capable of slagging are subjected to a reaction, a novel compound K2Mg(SO4)2 is generated and provides anti-slagging performance to the briquette fuel, and the produced briquette fuel has the advantages of low chlorine value and high combustion value, no harmful gas is discharged after combustion is carried out, and a boiler is not easily corroded.

The invention discloses a biogas composite material, which is characterized by comprising 70-80kg of excrements of livestocks, 10-15kg of mushroom dreg, 10g of biological bacteria and 5kg of biogas residue by mass. The excrements of livestocks comprise 30kg of dried poultry litter, 10-40kg of dried pig litter and 10-40kg of dried cow litter. The biogas residue is a product which obtained by sediments in a biogas digester through drying and crushing. The biogas composite material has the advantages that the aerogenesis duration is long, the biogas production rate is high, the biogas production speed is fast, the decomposition of cellulose and hemicellulose can be promoted so that the utilization ratio of material can be enhanced, the methane content in biogas is obviously increased, the biogas is convenient for industrialized production and transportation, the usage is convenient for the farmers, the raw materials are easy to be obtained, the rural pollution can be effectively solved, and the waste can be comprehensively used.

A shaped straw-stalk fuel is made up of straw or stalk and coal gangue through drying straw or stalk in air, breaking, pulverizing, proportionally mixing with coal gangue powder and die pressing.

The invention provides an environment-friendly type diesel smoke abatement and anti-freeze agent for purifying emission of diesel automobiles, which is prepared from cleaning and dispersing agent, anti-oxidant, alkyl nitrite or isopropyl nitrate or ethylene/vinyl acetate and high grade plane kerosene through high-shearing mixing and emulsion process. The invention can realize good intensified smoke abatement property and fluidity for diesel under low-temperature.

Under the effect of a highly efficient alcohol-based fuel emulsifier, environmentally friendly biological alcohol oil with calorific value improved by about one time compared with low calorific value of chemical crude alcohol can be used in the fields of restaurants, metal heat treatment and the like for replacement of diesel oil and liquefied gas. The advantages are as follows: high calorific value (8800 kcal/kg), easily purchasable raw materials, economy and environmental friendliness, less investment, simple process and wide development prospects.

The invention discloses an environmentally-friendly biomass granule fuel. The environmentally-friendly biomass granule fuel comprises sawdust, crop straw, anthracite smalls, sludge garbage, tea leaf residues, rice hull powder, attapulgite clay, montmorillonite and red mud. According to the environmentally-friendly biomass granule fuel, treatment of the sludge garbage is more environmentally friendly and economical, and the cost of the environmentally-friendly biomass granule fuel is low; compared with biomass granule fuels of the same type which are not compatible with the sludge garbage, theenvironmentally-friendly biomass granule fuel has higher heat value; moreover, the environmentally-friendly biomass granule fuel overcomes the phenomenon of slag-bonding, and discharging of harmful air is greatly reduced.