41results about How to "Reduce slagging rate" patented technology

The invention relates to a production technique of a pure cedar biomass granular fuel, which comprises the following steps: screening cedar sawdust, mixing materials, drying, cooling, carrying out secondary mixing on the mixture and cedar shavings, and granulating to obtain the finished product. The technique provided by the invention has the advantages of simpleness, less generated dust, high forming ratio and high yield; and the prepared biomass granular fuel has the advantages of high heating value, low slagging tendency, wide raw material resources and low production cost.

The invention discloses a preparation method for biomass granular fuel. The preparation method comprises the following steps of: after uniformly mixing herbivorous animal waste, paper mill sludge and furfural residue, deodorizing and drying the mixture and then crushing the mixture to obtain a material A; uniformly stirring straw powder, bamboo powder, bagasse, peanut shells and the material A, then adding vinegar residues and propionic acid to uniformly stir the mixture, then leaving to stand for 10-15 hours, raising the temperature to 60-70 DEG C, insulating the mixture for 1-2 hours, ceaselessly stirring the mixture in the temperature raising and insulating processes, taking out the mixture and washing the mixture till the pH value is 6.5-7 to obtain a material B; and after uniformly mixing the material B, cottonseed meal and rapeseed meal, drying the mixture, then adding kaolin, diatomite, bentonite, calcium peroxide, aluminum hydroxide, propylene glycol, polyvinyl alcohol, anthracite and waste grease to uniformly mix the mixture, drying the mixture in vacuum till the water content of the mixture is 3-6wt% and granulating the mixture to obtain the biomass granular fuel.

The invention discloses biomass fuel and a production process thereof. The production process includes following steps: (1), selecting materials; (2), smashing; (3), drying; (4), extrusion forming. By studying heat release amount of the raw materials, factors having influence on burning rate and production process and analyzing burning dynamic characteristics of the formed biomass fuel, the fuel is simple in composition, reasonable in compatibility, low in cost, high in burning rate and low in slagging rate. The production process is safe, simple and convenient, burning performance of the biomass fuel can be improved effectively, running efficiency of a biomass boiler is improved, and utilization effect of the biomass fuel is promoted greatly.

The invention discloses a rice husk-straw biomass particle. The rice husk-straw biomass particle comprises a composite core layer, a rice husk layer, a straw layer, through holes, a connecting bulge,connecting pins, a connecting groove and connecting insertion holes, wherein the straw layer serves as the surface layer of the biomass particle; the rice husk layer is arranged inside the straw layer; the composite core layer is arranged inside the rice husk layer; the connecting bulge and the connecting groove are formed in the two ends of the biomass particle respectively; the connecting pins are arranged on the connecting bulge; the connecting insertion holes are formed in the connecting groove; the through holes are formed in the surface of the biomass. Crop straw and rice husk are used as main components, a proper amount of cleaning additive is added, and a multi-layer structure is obtained by compounding, so that the rice husk-straw biomass particle is clean and environment-friendly, energy is fully utilized, and waste biomass fuel is fully utilized; the rice husk-straw biomass particle is wide in raw material sources, high in combustion rate, safe to use, sustainable to use, low in bottom ash slagging rate, low in combustion pollution, recyclable in waste residues.

The invention specifically relates to a green environment-friendly biomass pellet fuel, belonging to the technical field of biomass fuels. The green environment-friendly biomass pellet fuel comprisesthe following raw materials by weight: 55 to 60 parts of corn straws, 33 to 50 parts of dead branches, 35 to 40 parts of water grass, 1.2 to 2.5 parts of a combustion improver, 35 to 45 parts of wheatstraws, 25 to 35 parts of rice husks, 0.33 to 0.65 part of a leveling agent, 15 to 20 parts of wheat bran, 8 to 13 parts of food waste and 5 to 15 parts of sawdust. The green environment-friendly biomass pellet fuel of the invention has the following beneficial effects: the raw materials of biomass pellets are easily available; all the raw materials are organic substances, and a product obtainedafter combustion is environmentally friendly; waste utilization is realized, and damage to environment is reduced; the combustion improver is added to make the biomass pellets burn more sufficiently,so ash is reduced; the leveling agent is used, so gaps between fibrous tissue in the biomass pellet raw materials are increased, calorific value is improved, and the generation of ash is reduced.

The invention belongs to the field of biological energy. A moisture-proof and mildew-proof biomass pellet fuel, comprising the following components calculated by weight percentage: 8-10 parts of camphor wood chips, 12-18 parts of modified straw, 10-15 parts of modified bamboo charcoal, 0.1-0.5 parts of antibacterial agent, Catalyst 0.1-0.5 parts. The invention has good anti-mildew and moisture-proof ability, high thermal efficiency and high combustion calorific value.

The invention discloses a jerusalem artichoke straw fuel bar and a preparing method thereof. The jerusalem artichoke straw fuel bar is prepared from, by weight, 50-80 parts of jerusalem artichoke straw, 15-30 parts of craw coal, 1-3 parts of calcium oxide, 2-4 parts of kieselguhr, 0.5-1 part of combustion improver, 1-3 parts of sulfur-fixing agent and 0.5-1.5 parts of bentonite. The characteristic of high burning caloric value of jerusalem artichoke straw is fully utilized, the combustion supporting component is added to the fuel bar, additives including calcium oxide and kieselguhr are added, the clinkering rate and corrosiveness of jerusalem artichoke straw are reduced, the prepared jerusalem artichoke straw fuel bar can be widely applied to industrial and civilian production, the utilization rate of jerusalem artichoke straw is increased, and extension and development of the jerusalem artichoke industrial chain are promoted.

The invention relates to a production technique of a pure cedar biomass granular fuel, which comprises the following steps: screening cedar sawdust, mixing materials, drying, cooling, carrying out secondary mixing on the mixture and cedar shavings, and granulating to obtain the finished product. The technique provided by the invention has the advantages of simpleness, less generated dust, high forming ratio and high yield; and the prepared biomass granular fuel has the advantages of high heating value, low slagging tendency, wide raw material resources and low production cost.

The invention discloses an anti-slagging biomass solid granular fuel and solves a problem that a biomass solid granular fuel in the prior art is liable to slag and is low in combustion efficiency. The anti-slagging biomass solid granular fuel is prepared from following raw materials, by weight, 60-70 parts of crop straws, 10-15 parts of wood chips, 5-10 parts of bagasse, 3-5 parts of a combustion-promoting agent and 1-3 parts of an anti-slagging agent. The anti-slagging biomass solid granular fuel is simple in components, reasonable in formula, low in cost, high in combustion efficiency and low in slagging rate.