52results about How to "High fuel value" patented technology

A combustible pellet comprising municipal solid waste. The pellet has a water content of less than 10% by weight and a fuel value of at least 10,000 BTU. A process for the forming of a combustible pellet from municipal solid wastes, comprising the steps of removing solid hazardous waste from said municipal solid waste; subjecting the municipal solid waste so obtained to at least one step to separate recyclable products therefrom; and subjecting the resultant product to a shredding and a pulverizing step. A fluff with a water content of less than 10% by weight is obtained. The fluff is compacted to form a combustible pellet.

The invention relates to a control system and a control method for temperature rising of a diesel engine exhaust aftertreatment device. A signal input end of an ECU is respectively connected with a diesel engine speed signal output end, a voltage multiplying signal output end of the diesel engine exhaust aftertreatment device, a temperature signal output end of a temperature rising device of the aftertreatment device, a signal output end of a pressure sensor of an air storage tank of an air compressor, and an oil tank oil quantity liquid level signal output end. A signal output end of the ECU is respectively connected with a switch signal control end of an oil supply pump, a switch signal control end of a multipath air valve, and a switch signal control end of a temperature rising controller. An outlet of an oil tank is communicated with an inlet of the oil supply pump through an oil conveying pipe, an outlet of the oil supply pump supplies oil to the temperature rising device of the aftertreatment device through an oil conveying pipe, air inlets of the multipath air valve are in parallel connection to be communicated and communicated with an outlet of the air storage tank of the air compressor, and air outlets of the multipath air valve are in parallel connection to be communicated to supply oxygen to the temperature rising device of the aftertreatment device.

The invention discloses an advanced treatment method for biochemical tail water of leachate of municipal household waste. Tail water mainly comes from biochemical effluent from a treatment device of the leachate of the municipal household waste or effluent of simply chemical-physical treated biochemical effluent. The steps of the method are as follows: at normal temperature and under the condition of 0.5 BV/h to10BV/h of flow, pretreated tail water is absorbed by a device filled with adsorbent resins with complex functions or macroporous resin to yield water, so as to be discharged by reaching the mark; the resin is desorbed and regenerated by sodium hydroxide solution, the flow of desorbing agent is 0.5BV/h to 3.0BV/h, desorbing liquid with high concentration is burnt or disposed by other safe disposal methods, and desorbing liquid with low concentration can be used for preparing the next batch of desorbing agent for circular application. The method of the invention can reduce the COD of the tail water to below 100mg/L from about 150mg/L to 500mg/L and can reduce the ion concentration of ammonia nitrogen, total nitrogen and heavy metal to be below first-grade state emission standard. The method of the invention has the advantages of simple technique and large treatment amount, which can make up the shortcomings of the existing treatment technology of leachate of municipal household waste.

The invention specifically relates to a novel counterflow burning type coal gasifier device and a process thereof. The device is composed of following nine major systems: a coal charging system, a dry distillation system, a counterflow burning heating system, a combustion supporting air supply system, a steam supply system, a gas generation system, an ash removal system, an automatic temperature control system and a gas cooling purification system; the process comprises the following steps: 1) generating upper section gas containing dry distillation gas, tar gas, phenol organic matter gasses and water steam; 2) feeding the upper section gas into a combustion chamber for combustion through a hot gas supercharger; 3) introducing high temperature gas generated after combustion in the combustion chamber and containing water vapor and CO2 into the hearth at the lower section of the coal gasifier to contact with coke, and generating to generate lower section gas; 4) cooling and separating dust from the generated lower section gas and then transmitting the gas to the user end. The device and the process provided by the invention are free of discharge of pollutants such as tar and carbolisata aqua, and have the advantages of high heat utilization rate, energy conservation and environmental friendliness; the generated gas is high in cleanness and combustion value.

The invention relates to the technical field of biofuel, in particular to wheat straw biomass particles. The wheat straw biomass particles comprise 55-75 parts of wheat straw, 30-45 parts of rice husk, 25-32 parts of corn stalk, 15-18 parts of waterweeds, 22-40 parts of sawdust, 20-35 parts of desulfurized coal slag, 50-60 parts of Chinese herbal medicine dregs, 5-12 parts of gypsum, 0.8-5 parts of swelling agent, 10-30 parts of paraffin wax, and 8-20 parts of squalane powder. A preparation method is also provided and comprises the steps of drying, segmenting, pulverizing, mixing, stirring, press forming, drying, granulating and packaging. According to the invention, the desulfurized coal slag and sawdust are added to the raw materials, so that the burning value of the biomass particles are higher than that of conventional biomass particles; the gypsum is added, and the prepared biomass particles are high in molding rate and not easy to loose due to good consolidation property of the gypsum; and the swelling agent is added, so that the biomass particles are loosened and can be fully burned when burned.

The invention discloses a process for making RDF from domestic garbage and high-temperature pyrolysis gasification treatment. The process comprises the following procedures of domestic garbage, bag breaking, primary magnetic separation, drum screening, primary breaking, drying, secondary magnetic separation, aluminum magnetic separation, air separation, fine breaking, additives adding, stirring, RDF molding, cooling, screening, gasification, dust removal, cooling, oil removal and dechlorination and desulfurization. Metal, glass, high-value plastic, sand, stone, soil and the like in household waste are completely separated, and the effects of resource recycling and sustainable economic development are achieved.

The invention discloses a method for preparing derivative fuel from domestic sludge through high-temperature pyrolysis and gasification. The method comprises the following steps of: preparing the derivative fuel, namely, adding domestic sludge, biomass fuel and an additive in proportion, stirring and mixing the materials to prepare the derivative fuel; and preparing biogas by pyrolyzing the derivative fuel, namely cracking the derivative fuel in a high-temperature pyrolysis gasification furnace, and performing oil removal, dust removal, cooling, desulfurization and dechlorination on mixed biogas obtained in the pyrolysis gasification furnace to obtain clean gas fuel and regenerated building material solid particles. According to the method of the invention, the domestic sludge and biomassfuel are prepared into the derivative fuel, then the derivative fuel is cracked into the mixed biological gas fuel and solid particles, the mixed biological gas fuel can be used for combined heat andpower generation and industrial and civil gas fuel, the solid particles can be used as building material preparation raw materials; and therefore, the purposes of resource regeneration and thorough garbage treatment are achieved. The ecological benefit, environmental benefit, social benefit and economic benefit of the method are excellent.

The invention discloses a low-sulfur biomass rod fuel, which comprises the following raw materials: rice straw, wheat straw, Pennisetum giganteum, Pennisetum purpureum, Arund donax, corncob, coal, lanthanum oxide, copper nitrate, cobalt nitrate, fluororesin, polymethacrylate, p-xylylene, silicon resin, nitrocellulose, a silane coupling agent KH-570, a modified waterproof environment-friendly adhesive, an adhesive reinforcement material, modified reinforcing filler, methyl ethyl ketone peroxide and isocyanate. The invention also provides a preparation method of the low-sulfur biomass rod fuel. The biomass rod fuel prepared by the method provided by the invention has the advantages of high calorific value, good toughness, difficult breakage, and excellent environmental protection performance.

This invention involves a method and plant of production of combustible gas using biomass. This plant comprises a furnace body, a furnace cavity, gasifying agent inlet, combustible gas outlet (arranged on furnace cavity and higher than gasifying agent inlet), and a device that ignites biomass arranged at intersection between the horizontal plane where the combustible gas outlet is located and the internal wall of the furnace cavity. Method of operation: load biomass in the plant and ignite the upper part; gasifying agent will run through the material from bottom to top, gasifying the material and generating flue gas. This invention features outstanding advantages of stable gasifying reaction, safe and reliable operation, high fuel gas calorific value, low environmental pollution, and easy purification of combustible gas etc. This method can be used to produce combustible gas from not only biomass, but also solid organic gasifying raw materials such as household garbage and industrial refuse etc.

The invention discloses production equipment for environmental-friendly solid fuels. The production equipment comprises a special-shaped mixing chamber, wherein the section of the special-shaped mixing chamber is of a special-shaped structure which comprises a lower short edge; a first vertical edge is connected to the right side of the lower short edge; an inclined edge is connected to the left side of the lower short edge; a first upper edge is connected to the upper part of the vertical edge; a second upper edge is also arranged at the upper part of the first upper edge; a second vertical edge is arranged at the left side of the second upper edge; the second vertical edge and the inclined edge are connected to form a sludge feeding opening; an inclined guide plate is arranged at the upper end of the sludge feeding opening and extends into the mixing chamber; the second upper edge and the first upper edge form a feeding channel for rice straws; the inclined guide plate and the inclined edge form a sludge feeding channel; and a discharging hopper is connected to the lower part of the mixing chamber. According to the production equipment disclosed by the invention, sludge and the rice straws are mixed, granulated and molded to form sludge regeneration solid fuels with higher fuel value; and the system has the advantages of simple structure, small occupied area and high production efficiency.

The invention relates to a dehydration process and equipment for a biomass solid, and belongs to the technical field of biomass dehydration. The invention aims at provided with a dehydration process and the equipment which have the advantages that slight energy source is consumed, the cells in the biomass solid are ruptured, the moisture is dissolved out, the water ratio of the biomass solid is greatly reduced, and the burning value of the biomass solid is improved. The technical scheme adopted by the dehydration process for the biomass solid is as follows: the dehydration process is performed according to the following steps of: 1, fracturing the biomass solid; 2, filtering the biomass solid after fracture; 3, putting the biomass solid into a heating unit, heating, and then entering a pressure container to stay for 10 minutes, thus obtaining a biomass solid cracking liquid; 4, putting the biomass solid cracking liquid into a cooling unit and cooling; and 5, entering a water extractor and carrying out dehydration. The dehydration process and equipment provided by the invention are especially suitable for carrying out dehydration treatment on the biomass solid with higher water ratio.

The invention provides a method for making biofuel by utilizing the wastes extracted from Radix Paeoniae Alba. Take 500 kg of waste dregs after extraction from Radix Paeoniae Alba, a Chinese medicinal material, dry them to a water content of 40% to 50%, and add 1/3 to 1/3 of the residues of Radix Paeoniae Alba 2/3 times the sawdust, mix evenly; press the mixture into cuboids, the density is between 0.8 and 1.2, the cross-sectional diameter is between 3 and 5 cm, and the length is between 4 and 6 cm. The invention does not need cooling, the finished product has high fuel value, does not contain sulfur and phosphorus, and is environmentally safe.

An alcohol-based liquid fuel used in alcohol-based boilers and stoves, the formulation components of which include methanol, purified water, ferrocene, gentian violet, hydrogen peroxide, gasoline, and acetone. The beneficial effects are: tasteless, non-toxic, high combustion value, inflammable and non-explosive.