33results about How to "Little burning pollution" patented technology

The invention relates to lead-free aviation gasoline. The lead-free aviation gasoline contains components as follows: A) 55wt%-90wt% of alkylation unit oil, B) 5wt%-15wt% of pentane component oil, C) 0-20wt% of C7 aromatic component oil, D) 0-15wt% of cumene and E) 0-15wt% of an alkyl ether antiknock agent, wherein the alkylation unit oil is prepared from a reaction product distillate C4 obtained through alkylation of 1-butene and/or 2-butene and iso-butane as well as light components shown in the specification; the content of arylamine compounds in the lead-free aviation gasoline does not exceed 0.5wt%, and further, the lead-free aviation gasoline contains lead which does not exceed 0.01 g/L and contains at least one of the component C and the component D. The gasoline does not contain the arylamine compounds basically, so that environmental pollution caused by the aviation gasoline is greatly reduced, moreover, an octane value and a heat value realize good balance, a net heating value at least reaches 43.5 MJ/kg, and a motor octane value is not smaller than 91.

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.

This invention discloses a firing furnace of dust clouds, the middle inner wall of the furnace body is spiral, in the middle of the furnace hearth is the heat accumulator, at the top of the wall of the furnace body is the anti-dust board, on the wall of the furnace body and between the heat accumulator and the anti-dust board are the dust clouds inlet, the diesel oil firing inlet and the primary intake air port, the gasifying furnace chamber is between the hear accumulator and the anti-dust board; the bottom of the furnace is cone-shaped, and the end of the cone is a dust outlet, on the wall of the furnace body and at the bottom of the heat accumulator are the secondary intake air port, the steam inlet, and form the secondary gasifying chamber; the third intake air port is on the wall of the furnace body and the top of the anti-dust board, and form the residual gas burning chamber between the anti-dust board and the top of the furnace body. This furnace can fully fire the plant dust, the efficiency of the burning reaches more than 93%, the temperature more than 1200 deg. C. The heat energy of the burning can use in furnace, the gas turbine, the electricity generating, the heat and cool supply, and etc. It provides the new type technological apparatus for the raw materials utilization.

The invention discloses a biomass briquette. The biomass briquette is prepared from the following raw materials by weight: 30 to 45 parts of straw, 25 to 35 parts of wood chips, 15 to 25 parts of rice husks, 10 to 15 parts of corncob, 5 to 10 parts of anthracite, 1 to 3 parts of quicklime and 6 to 9 parts of magnesium aluminum silicate hydrate. The invention also discloses a preparation method for the biomass briquette. According to the invention, the biomass briquette and the preparation method thereof can effectively utilize biomass raw materials and have the advantages of simple processing technology, low cost, small density, high calorific value, low ash content, full combustion, etc.

The present invention relates to the technical field of new energy, and discloses a pellet fuel prepared by use of crops straw, the pellet fuel comprises the following raw materials by weight: 10-15 parts of cotton stalk, 10-15 parts of corn straw, 10-15 parts of peanut shell, 5-10 parts of dahurian larch sawdust, 5-10 parts of rice husk, 5-10 parts of soybean hulls, 3-5 parts of alumina, 3-5 parts of magnesium carbonate, 3-5 parts of calcium carbonate and 3-5 parts of pine oil. The pellet fuel utilizes the abandoned crops as the raw materials, and uses local materials, the product has the characteristics of being energy saving, environmentally-friendly, non renewable resource-saving, and the like, and eases the contradiction of the shortage of electric power and petroleum; the pellet fuel utilizes the crop straw as the main ingredient, is added with suitable amount of additives, is clean and environmentally-friendly, fully uses energy, and makes full use of waste biomass fuels, the raw material source range is wide, combustion rate is high, the pellet fuel is safe to use, and sustainable to use, bottom ash slagging rate is low, and the combustion pollution is less.

The invention discloses a cyclone combustion stove comprising a cylindrical upper portion and a conical lower portion. A cylindrical combustion-gasification chamber and a bell-shaped gasification-combustion chamber are disposed at the upper portion of the stove; a conical gasification chamber is disposed at the lower portion of the stove. A fuel inlet provided with a resistance wire igniter disposed therein is disposed at the upper portion of the cylindrical combustion-gasification chamber and is disposed along a tangential line of the stove wall; an ash blocker is disposed at the upper portion of the bell-shaped gasification-combustion chamber, a gas outlet is disposed at the top of the bell-shaped gasification-combustion chamber, and an ash outlet is disposed at the bottom of the bell-shaped gasification-combustion chamber; the bell-shaped gasification-combustion chamber is disposed in the cylindrical combustion-gasification chamber, and both the bell-shaped gasification-combustion chamber and the cylindrical combustion-gasification chamber are arranged axially with the conical gasification chamber. The combustion stove can combust powder fuel sufficiently with a combustion efficiency of more than 90, and the combustion heat energy can be used for boilers, stoves, power generation, and heating etc.; the structure of the cyclone combustion stove is compact so that production cost thereof is reduced greatly.

The invention discloses a composite waste fungus bag biomass fuel rod. The composite waste fungus bag biomass fuel rod is formed by mixing 70%-79.8% of waste fungus bag crushed materials, 20%-29.8% ofpinecone peel and 0.2%-0.7% of adhesives. According to the biomass fuel rod disclosed by the invention, waste fungus bag crushed materials are used as main raw materials; polyvinyl alcohol is used asan adhesive, so that the biomass fuel rod is not easy to break in loading, unloading and transporting processes; the method has the advantages that the raw material source is wide, and the prepared biomass fuel rod is high in combustion rate, safe to use, capable of being continuously used, low in bottom slag ash deposition rate, small in combustion pollution, small in solid discharge amount andthe like. The invention further discloses a preparation method of the composite waste fungus bag biomass fuel rod.

The invention provides biomass granular fuel and a preparation method thereof. The biomass granular fuel comprises 0.1-0.5% of adhesive, 15-25% of sawdust, 65-75% of straw, 5-15% of peanut shell and 0.1-0.5% of additives. The biomass granular fuel has the advantages that the straw is used as the main component and accounts for more than 65% of the biomass granular fuel; polyvinyl alcohol is used as the adhesive and is combined with a plant starch adhesive or a lignin adhesive to guarantee that biomass granules do not rupture during transportation, and the combustible polyvinyl alcohol can be used as a combustion improver like KMNO4 to increase the combustion rate of the biomass granules; calcium sulfate is used as the potassium removing agent to reduce the KCl formation, which causes combustion unevenness, during combustion; the prepared biomass granular fuel is wide in raw material source, high in combustion rate, safe to use, capable of being used continuously, low in bottom ash clinkering rate and low in combustion pollution.

The invention discloses a crop straw biomass fuel, which is prepared by uniformly mixing and compressing the following materials by mass: 50-60% of biomass charcoal powder, 30-40% of city organic solid garbage debris, 1-10% of coal powder, 1-2% of coal tar, 0.2-0.5% of a sulfur fixing agent, and 0.1-0.3% of ferrous sulfate, wherein the outer surface of the biomass granule fuel is wrapped with a layer of biomass polyester. With the technical scheme of the present invention, the biomass energy, the fossil fuels and the city organic solid garbage are organically combined, such that the produced biomass granule fuel has advantages of good adhesion, high combustion value and low combustion pollution, almost does not produce sulfur dioxide and fly ash, and is conducive to the construction of theecological environment; and with the biomass polyester wrapped on the outer surface, the storage and the transportation of the fuel are convenient, and the particles are not easy to crack.

The invention discloses a biomass-energy sludge fuel rod for enhancing energy recovery. The biomass-energy sludge fuel rod structurally comprises a rod-shaped body constructed by industrial sludge, wherein the rod-shaped body is wholly shaped like a triangular column body, a square column body, a polygonal column body or a cylinder; a plurality of blocky bosses are distributed on the column surface of the rod-shaped body; teeth-shaped bulges are arranged on the surface of the end part of the rod-shaped body. The invention also provides an environment-friendly and high-efficiency preparation method of the biomass sludge. The improved biomass-energy sludge fuel rod has better practicability index in the aspects of ignition and burning energy release.

The invention discloses renewable green biomass fuel. The biomass fuel is prepared from, by weight, 30-50 parts of wood processing residua, 5-18 parts of crop straw, 2-7 parts of bentonite compounds, 2-4 parts of methyl alcohol, 2-8 parts of isobutanol, 1-2 parts of ammonium nitrate, 1-2 parts of nonionic surfactant and 1-3 parts of fuel additive. The bentonite compounds are prepared as the following process: mixing and stirring bentonite and water, adopting a sulfuric acid solution to adjust pH value of the system to 3.4-4, adding a poly(diallyldimethylammonium chloride), stirring, filtering and cleaning the mixture, adding potassium carbonate and water, continuing to stir, filter and clean the mixture, drying the mixture to constant weight, grinding the dried mixture, adding and evenly blending soy protein and water, adding and evenly stirring sodium hydroxide at room temperature, adding maleic anhydride and then raising temperature and stirring the final mixture to obtain the bentonite compounds.

The invention discloses a preparation method of a composite high-energy biomass fuel rod, belonging to the technical field of biomass fuels. According to the invention, a silicon dioxide aerogel is used for loading treatment of biomass straw powder and the like, thereby increasing the contact surface area of a fuel; inorganic and plant straw powders are organically combined for use; the produced biomass fuel rod is good in bonding degree, high in heat energy value, large in surface area, high in combustion efficiency, small in combustion pollution and beneficial for ecological environment construction, facilitates fuel storage, has sufficient combustion contact area and can prevent the fuel from damp and wetting-back; and thus, the combustion quality of the fuel is improved, and the problem of poor combustion heat energy value due to wetting of the fuel is overcome.

The invention discloses an oxygen preheater which comprises a dimethyl ether combustion chamber, a heat exchange cavity and oxygen pipelines. Dimethyl ether is combusted in the dimethyl ether combustion chamber to generate heat; the heat exchange cavity is communicated with the dimethyl ether combustion chamber; the oxygen pipelines penetrate the heat exchange cavity, and oxygen in the oxygen pipelines is heated in the heat exchange cavity by the heat generated in the dimethyl ether combustion chamber. The oxygen preheater in an embodiment of the invention has the advantages that the oxygen preheater is provided with the dimethyl ether combustion chamber, the oxygen in the oxygen pipelines is heated by the heat generated when the dimethyl ether is combusted, the dimethyl ether is flammable and is good in combustion performance and high in heat efficiency, and residues and black smoke can be prevented in combustion procedures; carbon is rarely deposited on the oxygen pipelines, heat transmission is hardly affected, capital and labor investment for a soot blowing system and maintenance workload can be reduced, and environments are further protected on the basis that a preheating effect and the manufacturing cost of the oxygen preheater are guaranteed.

The invention discloses canna edulis ker solid fuel. The canna edulis ker solid fuel is prepared from 46 to 52 parts by weight of canna edulis ker starch, 38 to 42 parts by weight of industrial alcohol with alcohol content of greater than or equal to 95%, 6 to 8 parts by weight of paraffin, 2 to 4 parts by weight of animal oil and a proper amount of spices. The preparation method comprises (1) rawmaterial preparation, (2) mixing and reaction of industrial alcohol and canna edulis ker starch so that a mixed reactant is obtained, (3) mixing and reaction of paraffin and animal oil so that a molten mixture is obtained, and (4) molding: adding the hot molten mixture into the mixed reactant of the industrial alcohol and canna edulis ker starch, simultaneously, adding the spices into the mixture, carrying out uniform stirring, pouring the mixture into a mold and carrying out cooling to obtain the canna edulis ker solid fuel. The canna edulis ker solid fuel block has small combustion pollution, does not produce formaldehyde or sulfur dioxide, has no toxicity, produces a pleasant fragrance when burning, is prepared through simple processes and realizes a low preparation cost.

The invention discloses an environmental-friendly biomass fuel particle, which is prepared from the following raw materials in parts by weight: 68 to 96 parts of straw powder, 46 to 68 parts of biomass charcoal powder, 46 to 56 parts of bentonite, 23 to 28 parts of anti-coking additives, 4 to 8 parts of sulphur-fixing agents, 3 to 4 parts of dechlorinating agents, 12 to 16 parts of magnesium chloride, 7 to 13 parts of sodium nitrate, 34 to 46 parts of coal slime, 10 to 16 parts of bonding agents, 4 to 8 parts of white stone powder and 12 to 15 parts of kyanite. The slag forming and coke forming problems of the biomass fuel in the combustion process can be solved; the problem that the biomass fuel particles can easily are liable to break and crack can also be solved; the bonding degree of the prepared briquettesshaping fuel bonding degree is high; the magnesium chloride, sodium nitrate, coal slime and the like are used as ignition and combustion improversupport agents, so that the combustion efficiency and the heat energy of the biomass fuel can beare improved; the combustion pollution is low; the ash content is low.

The invention relates to the technical field of agricultural breeding, and discloses a pig manure harmless treatment method for a black pig breeding fermentation bed. The pig manure harmless treatment method for the black pig breeding fermentation bed comprises the following steps: S1, infrastructure construction; s2, construction of a fermentation bed; s3, maintenance management; according to the black pig breeding method, nursery pigs and bred pigs are bred separately during infrastructure construction, so that different management can be performed subsequently, zero emission of black pig breeding is achieved through the fermentation bed, the growth environment of black pig breeding can be improved through the fermentation bed, the pork quality is changed, and the health condition of black pig breeding is improved; agricultural wastes such as straws and rice husks can be turned into wealth, so that agricultural combustion pollution is reduced, and a more harmonious ecological environment is provided for agriculture; different padding layers are arranged, and different components are arranged on the different padding layers, so that pig manure can be quickly decomposed.

The invention discloses biomass granular fuel with high adhesion. The biomass granular fuel is prepared from the following raw materials in parts by weight: 60-65 parts of corn straw, 55-60 parts of rice straw, 15-20 parts of waste paper pulp, 5-7 parts of magnesium oxide, 4-6 parts of sodium hydroxide, 2-4 parts of sodium chloride, 3-5 parts of potassium chlorate, 4-6 parts of manganese dioxide and 5-10 parts of lime milk or calcium carbide slag. The invention also discloses a preparation method of the biomass granular fuel with high adhesion. The biomass granular fuel with high adhesion adopts a composite binder prepared from the waste paper pulp and the magnesium oxide, so that the mechanical strength of the biomass granular fuel is improved; the composite binder plays an important rolein the production, transportation and storage of the biomass granular fuel; the wear of material granules on molding equipment is reduced, the fuel processing performance is improved, and the equipment power loss is reduced; the produced biomass granular fuel is good in adhesion, high in combustion value, low in combustion pollution and beneficial to the construction of an ecological environment.

The invention discloses a multi-point ground torch, and relates to the technical field of waste gas processing equipment. The multi-point ground torch comprises multiple stages of combustion systems,and a control unit, wherein each stage of combustion system comprises a plurality of burners, the multiple stages of combustion systems are connected with a waste gas source pipeline, and the waste gas source pipeline can convey combustible gas to the burners to be sprayed out; each stage of combustion system is provided with an ignition system corresponding to the combustion system, and the ignition system can ignite the combustible gas sprayed out by the burners; and the control unit controls each ignition system to ignite the corresponding combustion system. The multiple stages of combustion systems are arranged, the different ignition systems and the ignition modes are adopted, the combustible waste gas combustion effect can be improved, the fuel consumption of an incandescent light isreduced, and the operation cost is reduced.