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Biomass granular fuel and preparation method thereof

A biomass particle and fuel technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of low utilization rate of biomass particle fuel, easy to break, unstable production process, etc., and achieve simple and stable production process, bonded The effect of good degree and easy control operation

Inactive Publication Date: 2018-06-12
菏泽市鼎成生物质燃料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the low utilization rate, easy breakage and unstable production process of the existing biomass pellet fuel, the present invention proposes a biomass pellet fuel and its preparation method. The produced biomass pellet fuel has high combustion value and good cohesiveness , convenient storage and transportation, the particles are not easy to break, the production process is simple and stable, the combustion pollution is small, and it is beneficial to the construction of the ecological environment

Method used

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  • Biomass granular fuel and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0021] A kind of biomass granular fuel is made up of following raw materials in parts by mass:

[0022] Adhesive 0.1%, saw foam 25%, straw 65%, peanut shell 9.8%, additive 0.1%;

[0023] Described tackiness agent is the mixture of the starch glue of mass ratio 6:1 or lignin glue and polyvinyl alcohol;

[0024] The additive is KMnO with a mass ratio of 1:1 4 Mixture with calcium sulfate.

[0025] A kind of preparation method of above-mentioned biomass particle fuel:

[0026] (1) Use a pulverizer to further pulverize the raw materials into powders below 0.5mm, add adhesives and additives, and mix them evenly with a mixer to control the moisture content to 10%;

[0027] (2) The material in step (1) is softened by steam, sent to the granulator for extrusion granulation, and pressed into granules with a diameter of 3mm and a length of 12mm, and the moisture content is controlled at 10%;

[0028] (3) Transport the biomass pellet fuel to the cooler for cooling, screening and pack...

Embodiment 2

[0030] A kind of biomass granular fuel is made up of following raw materials in parts by mass:

[0031] Adhesive 0.5%, saw foam 19%, straw 75%, peanut shell 5%, additive 0.5%;

[0032] Described tackiness agent is the mixture of the starch glue of mass ratio 3:1 or lignin glue and polyvinyl alcohol;

[0033] The additive is KMnO with a mass ratio of 1: 4 4 Mixture with calcium sulfate.

[0034] A kind of preparation method of above-mentioned biomass particle fuel:

[0035] (1) Use a pulverizer to further pulverize the raw materials into powders below 0.5mm, add adhesives and additives, and mix evenly with a mixer to control the moisture content to 15%;

[0036] (2) The material in step (1) is softened by steam, sent to the granulator for extrusion granulation, and pressed into granules with a diameter of 6mm and a length of 24mm, and the moisture content is controlled at 15%;

[0037] (3) Transport the biomass pellet fuel to the cooler for cooling, screening and packaging....

Embodiment 3

[0039] A biomass pellet fuel, which is composed of the following raw materials in parts by mass: 0.3% of adhesive, 20% of sawdust, 69.5% of straw, 10% of peanut shell, and 0.2% of additive;

[0040] Described tackiness agent is the mixture of the starch glue of mass ratio 4:1 or lignin glue and polyvinyl alcohol;

[0041] The additive is KMnO with a mass ratio of 1: 2 4 Mixture with calcium sulfate.

[0042] A kind of preparation method of above-mentioned biomass particle fuel:

[0043] (1) Use a pulverizer to further pulverize the raw materials into powders below 0.5mm, add adhesives and additives, mix them evenly with a mixer, and control the moisture content to 12%;

[0044] (2) The material in step (1) is softened by steam, sent to the granulator for extrusion granulation, and pressed into granules with a diameter of 5mm and a length of 20mm, and the moisture content is controlled at 11%;

[0045] (3) Transport the biomass pellet fuel to the cooler for cooling, screenin...

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Abstract

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.

Description

technical field [0001] The invention relates to the technical field of new energy fuels, in particular to a biomass particle fuel and a preparation method thereof. Background technique [0002] At present, biomass energy ranks fourth in the world's total energy consumption after coal, oil and natural gas. Biomass energy is an important renewable energy resource, which has the characteristics of various types and wide distribution. It has attracted more and more attention in today's increasingly tense energy situation. The sulfur content and ash content in biomass are low, the environmental pollution is small during the utilization process, and the total amount of carbon cycle in nature will not be increased, which has far-reaching significance for future energy strategies. my country is rich in biomass energy resources. Under the condition that they can be collected, the biomass energy resources currently available in China are mainly traditional biomass, including crop str...

Claims

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Application Information

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IPC IPC(8): C10L5/44C10L9/10C10L9/12C10L10/04
CPCC10L5/442C10L5/445C10L9/10C10L9/12C10L10/04C10L2200/04C10L2200/0469C10L2230/22C10L2290/148C10L2290/24C10L2290/28C10L2290/32Y02E50/10Y02E50/30
Inventor 邱书鹏
Owner 菏泽市鼎成生物质燃料有限公司
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