141results about How to "High calorific value" patented technology

The invention discloses biomass compact briquette fuel and a preparation method thereof. The biomass compact briquette fuel is prepared from the following raw materials in parts by weight: 50-80 parts of wheat straw, 35-45 parts of corncobs, 20-30 parts of pine needle, 10-15 parts of sawdust, 5-10 parts of traditional Chinese medicine residue, 8-14 parts of fish meal, 12-18 parts of palm shell, 4-8 parts of sawdust, 5-10 parts of camellia seed cake, 7-14 parts of soybean oil, 6-12 parts of bone meal, 10-15 parts of coconut coir and 15-20 parts of peanut shell. The biomass compact briquette fuel is prepared from the multiple raw materials such as the wheat straw, the pine needle, the sawdust and the traditional Chinese medicine residue by grinding, mixing, drying, compressing, cooling and packaging, so that the problems of great demand for one raw material and difficulty in collection of the single raw material can be solved; the heat value of the fuel can also be obviously increased; the unit heat value of the fuel can reach 6000 kilocalorie; when being burned, the fuel is smokeless, tasteless, clean and environment-friendly; and the combustion ratio of the fuel can reach above 98%, the using cost of the fuel is far lower than that of petroleum energy sources, and the biomass compact briquette fuel can be widely applied to industrial and agricultural production, electricity generation, heat supply and heating, boilers and the like and has a wide application prospect.

The invention relates to a technology and equipment for preparation of synthetic gas by two-stage high temperature biomass gasification. Gasification in the technology is carried out in two stages, namely, primary gasification and high temperature gasification; biomass combustion gas, unreacted solids, tar and the like obtained in the primary gasification are directly delivered into a high temperature vapourizing furnace at high temperature and steam and air are also delivered into the vapourizing furnace so as to carry out high temperature gasification, thereby enhancing thermal efficiency, conversion rate of carbon and cracking rate of tar. In the process of the preparation, heat energy is self supplied, and heat is recovered to improve thermal efficiency; a thermal value of prepared synthetic gas can reach 7 to 8 MJ/m<3>. Equipment for realizing the technology comprises a biomass feed unit, gasification reactors, a dust collector, a heat reclaim unit, a washing unit, an air compressor, etc. The technology and equipment provided in the invention can be used to convert biomass raw materials like agricultural waste into synthetic gas with a high thermal value and low content of tar and are applicable to heat supply by biomass combustion gas, power generation by combustion gas or synthesis of liquid fuels.

The invention relates to a catalyst and a method for treating tar by using the catalyst. The catalyst is an alkali metal salt loaded catalyst and is prepared through the following steps: dropwise adding an alkali metal salt solution on a carrier particle to uniformly soak the particle by the solution, drying and roasting the particle, and cooling the roasted particle to obtain the alkali metal salt loaded catalyst. The method for treating the tar comprises the following steps: mixing the tar and small molecule alcohol, carrying out high-temperature gas-phase catalytic conversion treatment, and subjecting the creosote ingredient in the tar and the small molecule alcohol to etherification reaction by using the catalyst provided by the invention to convert the creosote in the tar to aromatic ether. The method is conductive to the increase of the caloricity and oil phase solubility of the tar and the reduction of the acidity and corrosivity of the tar. The catalyst preparation technology and tar treatment technology provided by the invention are simple and efficient, the raw material cost and the running cost are low, and the industrialized production is easily achieved. The raw materials and technological processes for the catalyst preparation and tar treatment are pollution-free and environment-friendly.

The invention relates to a system for drying and treating sludge by utilizing afterheat to generate high-temperature circulating air. The system comprises a sludge drying machine, wherein a sludge spiral conveying core shaft is arranged in the sludge drying machine; a hot circulating air outlet is formed on one side of the sludge drying machine; a sludge feed port is formed at the upper end of one side of the sludge drying machine; a sludge discharge port and a hot circulating air inlet are formed on the other side of the sludge drying machine; and a dried waste gas outlet of the sludge drying machine is formed above one side near the sludge feed port. The system is characterized in that: the dried sludge discharged from the sludge discharge port is conveyed to the feed port above a thermolysis furnace through a conveying belt and an elevator; a smoke outlet of the thermolysis furnace is communicated with a dioxin combustion chamber for decomposing dioxin in the smoke; a high-temperature smoke outlet of the dioxin combustion chamber is connected with a heat exchanger through a high-temperature pipeline; and the cooled smoke is led to a power spray device and a bag-type dust remover to be treated and then is discharged to air through a chimney. The system can heat air by utilizing the high-temperature smoke generated in the sludge burning process to indirectly dry sludge, can recycle hot air, and is economical, practical, energy-saving and environment-friendly.

The invention discloses an oily biomass wood dust particle fuel formula with high combustion value and a preparation method thereof. Particles comprise the following compounds according to parts by weight: 80-90 parts of wood dust, 6-12 parts of dregs of a decoction, 1-4 parts of peanut shell, additive agent and the like; and the preparation method comprises the steps of crashing, drying, mixing, pressing, cooling and the like. The thermal value, combustion rate and fuel efficiency of biomass fuel are greatly increased, so that better compression ratio is obtained; and simultaneously, the blackness of exhaust smoke is reduced below Ringelmann 1, the abrasion of forming cylinder and spiral shaft is further reduced, and the service life of the machine is prolonged.

The invention discloses a method for treating cane sugar factory wastewater comprehensively and using methane, which comprises the following steps: removing fibers and depositing coarse dregs in pretreated bagasse spray water, bagasse washing water, lime sludge filtered water, part of cooling water, papermaking alkaline wastewater, alkali reclaiming vaporization condensation water, and part of paper machine wastewater after reclaiming white slime of a cane sugar factory; mixing and properly heating all the water and delivering the mixture into an anaerobic reactor to perform anaerobic reaction; desulfurizing, decarburizing, purifying, filtering and compressing the obtained methane, and using the methane for heating a paper machine; and performing aerobic biochemical treatment on the sewage generated by the reaction in the anaerobic reactor so that the sewage reaches the discharge standard and is discharged, wherein sludge can be applied to preparing an organic compound fertilizer. The method can treat the sewage of the cane sugar factory comprehensively, can reclaim part of energy generated in the process of the wastewater treatment and apply the energy to production, thereby greatly reducing the production cost and bringing about better economic benefits and social benefits.

A method for converting the solar energy to the chemical energy of fuel features that the solar energy is used for the reaction of decomposing methol, bimether, etc into CO and H2. Its apparatus is composed of a light gathering solar heat collector for heating the thermal medium, a catalytic reactor containing solid catalyst connected to said solar heat collector for receiving heated thermal medium, a preheating evaporator connected to catalytic reactor and raw material tank, and a condensing separator connected with catalytic reactor and preheating evaporator for separating the resultant.

The invention discloses external heating internal coal decomposing equipment, comprising a sealed kiln body, wherein the kiln body is internally provided with coal propelling and decomposing pipes; the coal propelling and decomposing pipes are provided with a coal inlet, a coal outlet and a decomposed gas collecting pipe; heat exchange bins are arranged between the coal propelling and decomposing pipes and the inner wall of the kiln body; the heat exchange bins are connected with a high temperature gas heating mechanism by a gas inlet pipe; and the heat exchange bins are provided with a heated gas delivery pipe at the side far away from the high temperature gas heating mechanism. As the high temperature kiln body is internally provided with the coal propelling and decomposing pipes, plenty of hot air in the high temperature kiln body surrounds the coal propelling and decomposing pipes and conducts and radiates heat to the coal dust in the coal propelling and decomposing pipes, and the coal dust fully absorbs the heat and is heated and decomposed into gases, tar gases and coal with higher heat value in the coal propelling and decomposing pipes.

The invention belongs to the technical field of fuel, and particularly relates to a high-performance environment-friendly alcohol-based fuel and a preparation method thereof. The high-performance environment-friendly alcohol-based fuel is prepared from methyl alcohol, alcohol, butyl octanol, propyl alcohol and turpentine. The alcohol-based fuel has the advantages of being combusted sufficiently, being high in heat value and multiplying heat release, and the requirements for a large amount of released heat, energy conservation and environmental protection are met.

The invention relates to a step-by-step low-temperature carbonization system of brown coal. The step-by-step low-temperature carbonization system comprises a drying stage, a carbonization stage, a waste heat recovery stage and a cooling stage, wherein coal is heated to 180-300 DEG C under the condition of isolating air through a gas heat carrier so that more than 90% of all water, crystal water and partial oxygen-containing functional groups influencing the heat value of the coal are removed and heating components of the coal are enriched; and the coal is continued to be heated to 550-600 DEG C to form semicoked solid, the separated volatile matters are purified and recovered to obtain coal tar and coal gas products, and the high-temperature semicoked solid is subjected to the waste heat recovery stage and is cooled to 60 DEG C to be collected to obtain semicoked products, wherein the obtained semicoked products have the advantages of high heat value, good stability, hydrophobicity and the like. The step-by-step low-temperature carbonization system of the brown coal, disclosed by the invention, has the advantages of simple process, low energy consumption, no need of industrial water, no generation of waste water and no emission of harmful gas, and is a highly-automatically coal treating system for treating a large amount of coal; and each component adopts modularized design and can be matched according to yield requirements.

The invention discloses an external-heated and solid heat carrier combined rotary dry-distillation method and device. The method comprises the steps of mixing a heat carrier and dried/preheated raw coal, and enabling a mixture of the heat carrier and the dried/preheated raw coal to be subjected to dry distillation in a dry distillation furnace, so as to generate hot semicoke and coal gas, wherein one part of the hot semicoke is a semicoke product, one part of the hot semicoke is hot coke granules, and the hot coke granules serve as the heat carrier and are applied to coal gas dedusting after the hot coke granules are heated; smoke generated during semicoke heating is used for drying and preheating raw coal. The device comprises a raw coal preheating and drying oven, a semicoke heating furnace and the dry distillation furnace, wherein the raw coal preheating and drying oven and the semicoke heating furnace are located above the dry distillation furnace, and a material outlet of the raw coal preheating and drying oven and a material outlet of the semicoke heating furnace are communicated with a material inlet of the dry distillation furnace; the dry distillation furnace and the semicoke heating furnace are communicated by a hot coke granule circulating and conveying system; the dry distillation furnace preferably is an external-heated dry distillation furnace. The method and the device, disclosed by the invention, have the advantages that the thermal efficiency is high, the calorific value of the coal gas is high, the dust content is low, and the yield is large; the device is compact in structure and small in floor area.

The invention discloses a self-recovery DC fuse. The fuse comprises a housing, and a load resistor, a first power connection plate and a second power connection plate are fixed to the inner wall of the shell. The first power connection plate and the second power connection plate jointly abut against a heating rod, and a fixed block is fixed to the bottom of the shell; a movable cavity is formed inthe fixed block, and a spring is fixed to the inner bottom of the movable cavity, wherein a push plate connected with the inner wall of the movable cavity in a sealed and sliding mode is fixed to theupper end of the spring. The fuse has the advantages that when an overall circuit is overloaded, a current in the circuit is increased sharply, so the heating value of the heating rod is increased, and the dichloromethane solution in the heated cavity is heated and evaporated; under the obstruction of the interception plate, the electric energy is accumulated in the heated cavity and finally enters the movable cavity in a spraying mode, so the push plate drives the heating rod to move, the heating rod is separated from the first power connection plate and the second power connection plate, the whole circuit is disconnected, and the damage of overload current to an electric appliance and the circuit is avoided.

A display device and a method for manufacturing the same capable of preventing a defective drive of a gate-in-panel (GIP) driver by dissipating high heat generated in a large-sized thin film transistor of the GIP driver are disclosed. The display device includes a flexible substrate, a GIP driver and a display unit disposed on the flexible substrate, a protective member disposed under the flexible substrate, and a heat pad disposed between the flexible substrate and the protective member and overlapping the GIP driver.

A process for preparing charcoal includes such steps as breaking the organic substance, carbonizing, pulverizing, mixing it with water and adhesive proportionally and shaping. Its advantages are full carbonization, high caloricity, long burning time and no black smoke.

The invention relates to a preparation method of a solid bio-fuel brick, and the preparation method comprises the steps as follows: reusing agroforestry plant processing waste residues, obtaining products of biological tar, biomass carbon powder and the like by high-temperature oxygen-free pyrolysis, evenly mixing the products with MgO and turpentine oil, compression molding and evenly coating a water-proof coating on the surface thereof. The mass percentages of various substances of the biological solid fuel are as follows: 5-40 percent of biological tar, 20-50 percent of biomass carbon powder, 5-20 percent of MgO and 2-15 percent of turpentine oil; and the mass percentages of various substances of the water-proof coating are as follows: 80-95 percent of paraffin and 5-20 percent of turpentine. The biological solid fuel has the advantages of flammability, light weight, waterproof property, high calorific value, high flame, full combustion, and the like; the biological solid fuel is lighter and more flammable than coal; compared with wood, the biological solid fuel is easy to carry, high in calorific value and long in burning time. The solid bio-fuel brick can be used in outdoor and wild places, and mainly applicable to emergency aid, heating and cooking for sudden accidents.

The invention discloses a method and a system for anaerobic digestion biogas generation by recycling of household garbage. The method includes steps: (1) crushing; (2) pressing; (3) dry-basis treatment; (4) wet-basis treatment; (5) hydrolytic acidification; (6) anaerobic fermentation; (7) anaerobic fermentation biogas treatment, to be more specific, delivering biogas generated by anaerobic fermentation to a biological desulfurization device through a pipeline to remove hydrogen sulfide; delivering biogas without hydrogen sulfide to a gas storage through a pipeline to realize temporary storage, wherein one parallel circuit of the gas storage is in connection with a torch to realize incineration treatment of excessive biogas, and the other parallel circuit of the gas storage is delivered to a biogas utilization device. The method and the system for anaerobic digestion biogas generation by recycling of household garbage have advantages that the problem of limitation of dry anaerobic and aerobiotic treatment for degradation of household garbage is solved; conversion of the household garbage into biogas is realized, simplicity in operation is achieved, and the system is stable and easy for engineering popularization and application.

The invention discloses a micros emulsion diesel and its preparing process, wherein the diesel comprises (by weight percent) mineral diesel 30.0-50.0, hogwash oil 20.0-30.0, acidified oil 10.0-20.0, methanol 15.0-25.0, ammonia 1.5-2.3, ethylene glycol 0.6-1.0, ethylenediamine 0.2-0.7, triethanolamine 1.0-2.2, butanol or isopentyl alcohol 0.5-2.0.

The invention provides an industrial fuel gas production system and method. The system comprises a transmission and distribution unit and a decarburization unit. A gas outlet of the transmission and distribution unit is used for communicating with a gas inlet of an underground coal gasification system. The transmission and distribution unit is used for preparing a gasifying agent and transmitting the gasifying agent to the underground coal gasification system. The gasifying agent contains oxygen with the preset concentration. A gas inlet of the decarburization unit is used for communicating with a gas outlet of the underground coal gasification system. The decarburization unit is used for receiving gas output by the underground coal gasification system and removing carbon dioxide with the preset concentration in the gas. According to the industrial fuel gas production system, the gasification agent containing the oxygen with the preset concentration is used for gasifying a coal seam, and the heat value of coal gas can be increased; the purpose of further increasing the heat value of the coal gas is achieved by removing the carbon dioxide in the coal gas through the decarburization unit; and meanwhile, the emission load of carbon dioxide in the combustion process of the coal gas is decreased, and accordingly the environment is protected.

The invention relates to a municipal solid waste comprehensive treatment method, and belongs to the technical field of household garbage treatment. The municipal solid waste comprehensive treatment method is characterized by comprising the following process: firstly, municipal solid wastes are separated as dry solid wastes and wet organic matter wastes; and the dry solid wastes are mainly organic polymers, such as rubbers, plastics, wood products, fabrics and the like. The wet organic matter wastes are leachate and kitchen garbage. Then, the dry solid wastes are pyrolyzed through a pyrolysis system; and the wet organic matter wastes are biologically fermented through a biological fermentation system. The municipal solid waste comprehensive treatment method has the advantages of economy, environmental protection, harmlessness, no secondary pollution, low cost, high efficiency, safety, realization facilitation and benefit maximization, and really realizes resourceful conversion of municipal solid wastes.

The present invention is formula and production process of green solid alcohol. The green solid alcohol is compounded with industry alcohol, nitro cotton, water and small amount of food color and through a special normal temperature process. Compared with available solid alcohol products, the present invention has the advantages of high heat value, low cost, higher hardness, high elasticity and toughness, less thawing, no water separation, no bad smell produced during burning, no toxic matter produced, no black smoke, less residue, no environmental pollution and different color. The present invention may be used widely in restaurant and catering facilities, household, hospital, lab, tourism and field.

Liquid bio-fuels and processes for their production are provided. The liquid bio-fuels can have improved stability, less corrosiveness, and/or an improved heating value.

The invention discloses a semisynthetic organic heat carrier and a preparation method thereof. The invention relates to a novel organic heat carrier, particularly a semisynthetic organic heat carrier. The technical process comprises the following steps: carrying out catalytic hydrogenation on the raw material mineral oil, and distilling to obtain refined mineral oil; and compounding with silicone oil, a dispersant and a high-temperature antioxidant to obtain a clear and transparent semisynthetic organic heat carrier. The maximum application temperature, deterioration rate and other properties of the product disclosed by the invention are equivalent to those of the synthetic organic heat carrier, and superior to those of the mineral oil type product; and the product disclosed by the invention is non-toxic and harmless, and is safe and reliable to use.

The invention discloses an endothermic aviation fuel. According to the endothermic aviation fuel, a flashing point is higher than 60 DEG C, a fuel net heating value is larger than 43.0 MJ/kg, a heat sink at 750 DEG C is larger than or equal to 3.4 MJ/kg, and the thermal stability passes a JFTOT test at 355 DEG C in 300 minutes; the aviation fuel is prepared from larger than or equal to 30wt% of alkane and larger than or equal to 50wt% of cyclane, the aromatic hydrocarbon content is less than 5wt%, a bromine number is 0, and the sulphur content is less than 1 ppm. The endothermic aviation fuelhas the characters of high thermal stability, high heat value, low volatility, high heat sink and better anti-coking performance; after a compound additive is added, the performance of the aviation fuel can be further improved, especially, the anti-coking performance of the fuel at high temperatures is obviously improved.

The invention discloses novel energy-savingenvironmental-protection non-benzene low-carbon mechanical-used alcohol-based fuel.The fuel comprises by weight75-90 parts of methanol, 5-15 parts of ethanol, 2-5 parts of tert-butyl alcohol, 4-8 parts of bio-environmental oil, 1-2 parts of glycerin, 1-2 parts of ethyl acetate, 3-6 parts of lithium borohydride, 0.2-0.8 part of ferricinium, 1-3 parts of potassium dichromate, 2-5 parts of water, and 0.5-1.5 parts of additives. The novel energy-savingenvironmental-protection non-benzene low-carbon mechanical-used alcohol-based fuel is stable in supply, high in calorific value, good in combustion effect,and high in combustion efficiency; the methanol is used as a main raw material, the source of raw materials is in a wide range, and the price is low, and therefore the production usage cost is effectively reduced, all used raw materials are safe and environmentally friendly, and the pollutant emission after full combustion is small; the fuel does not contain harmful substances such as benzene and sulfur, and therefore the environment is effectively protected and the fuel is worth popularizing.

The invention discloses a pyrolysis and gasification garbage incinerator adopting an oxygen enriched combustion technique. The pyrolysis and gasification garbage incinerator comprises an oxygen preparation unit, an oxygen injection unit and an incinerator main body unit, wherein the oxygen injection unit is connected with the oxygen preparation unit and the incinerator main body unit, the oxygen injection unit comprises a booster fan, a shutoff valve and two oxygen flow control devices, and each oxygen flow control device comprises a flow meter, a regulating valve, a stop valve, a mixer and an air supply fan; the shutoff valve is connected with the flow meters; the incinerator main body unit comprises an incinerator body and a smoke purification device, and the incinerator body comprises a first combustion chamber, a second combustion chamber and a partition. According to the pyrolysis and gasification garbage incinerator, the problems of low combustion temperature and combustion efficiency, substandard pollutant discharge and the like caused by low oxygen content of air or low garbage calorific value can be effectively solved.

The invention relates to a composition for preparing coal briquette. The composition comprises blind coal, coke powder, glutinous rice flour and sodium chloride. The coal briquette prepared from the composition has a fairly ideal calorific value, and does not cause pollution on the environment, and especially, coal slime is added to the composition, so that the surface of the coal briquette is smooth; the coal briquette is not easily crushed; and a certain amount of pulverized coal is generated even if the coal briquette bears large friction force, so that waste of resources can be avoided.

The invention relates to a composite biomass solid fuel. The composite biomass solid fuel comprises the following components in parts by weight: 35-65 parts of agricultural and forestry waste, 45-85 parts of biomass, 20-35 parts of cassava vinasse, 10-25 parts of a polyurethane adhesive and 20-28 parts of a combustion aid. The composite biomass solid fuel has the characteristics of high heat valueand low density, and is prepared from the waste generated in the papermaking process and sawdust; the composite biomass solid fuel is low in cost and high in environment friendliness; meanwhile, thecomposite biomass solid fuel is prepared into a specific shape, so that the combustion efficiency thereof is greatly improved and the environment pollution is reduced; the composite biomass solid fuelhas a wide application prospect.

The invention relates to an electromagnetic induction heating body and an electromagnetic water heater adopting the electromagnetic induction heating body. The electromagnetic induction heating body comprises a flat-wise inductive coil fixed on a coil support, a thermal insulation micro-crystal ceramic body which is matched with the flat-wise inductive coil in an adaptive mode and heating units which are formed by metal heating bodies. The number of the heating units is two. The electromagnetic induction heating body further comprises magnetic shielding metal sheet materials. The two heating units are oppositely arranged relative to the magnetic shielding metal sheet materials. The electromagnetic water heater adopting the electromagnetic induction heating body further comprises an annular metal tube winding and a whole metal thermal conductor, wherein the annular metal tube winding is arranged outside the electromagnetic induction heating body and provided with a water inlet and a water outlet. The annular metal tube winding, the whole metal thermal conductor and the metal heating bodies are connected. By the adoption of the electromagnetic induction heating body and the electromagnetic water heater adopting the electromagnetic induction heating body, heating efficiency of the electromagnetic water heater can be improved, and the size and the weight of the electromagnetic water heater can be reduced. The electromagnetic induction heating body and the electromagnetic water heater adopting the electromagnetic induction heating body can be widely applied to the field of the electromagnetic water heater.

This invention discloses an additive for producing biosiesel oil from animal and plant oils. The additive is prepared from: dimethyl carbonate 35-45 wt.%, KOH 10-15 wt.%, catalyst 0.75-1.25 wt.%, saponification inhibitor 8.25-13.75 wt.%, chain-breaking agent 6-10 wt.%, and ethylene glycol monomethyl ether 30-40 wt.%. The obtained biodiesel oil comprises animal and plant oils, diesel oil and additive at a weight ratio of (30-60) :( 38-65) :( 2-5).

The invention discloses an assistant biomass heat source for a solar drier and an intelligent regulation and control device, and belongs to the field of driers for drying agricultural and sideline products. An assistant heat source supply system comprises a high temperature generating device for generating an assistant heat source, and a controller for switching on or off the solar drier, determining the actual temperature of the solar drier, switching on or off the high temperature generating device according to a determining result, and switching off the high temperature generating device after the solar drier is heated to be at a preset drying temperature by the assistant heat source. The assistant heat source supply system is additionally arranged on the basis of the solar drier, when the actual temperature of the solar drier is lower than the preset drying temperature, the assistant heat source is provided for heating the solar drier, so that the actual temperature of the solar drier belongs to the preset drying temperature range, the solar drier can work normally, and the problem that the solar drier cannot continuously perform drying operation in rainy days and at night is solved.