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Biomass granular fuel with high combustion performance and preparation method thereof

A technology of biomass particles and combustion performance, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of difficult to burn completely, high ash content and easy slagging, poor combustion performance, etc., to achieve complete combustion, high burning rate, The effect of improving combustion efficiency and calorific value

Active Publication Date: 2020-12-18
怀宁县泰华新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with traditional fossil fuels, biomass pellet fuel has the advantages of economy, environmental protection and safety, but there are also problems with poor combustion performance, such as low combustion rate, low calorific value, difficult to burn completely, high ash content and easy slagging, Become the main obstacle to the development of biomass pellet fuel

Method used

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  • Biomass granular fuel with high combustion performance and preparation method thereof
  • Biomass granular fuel with high combustion performance and preparation method thereof

Examples

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Effect test

Embodiment 1

[0021] A preparation method of high-combustibility biomass particle fuel, comprising the following steps:

[0022] S1. Mix peat and ferric nitrate solution with a concentration of 0.05mol / L at a mass ratio of 1:10, then adjust the pH to 4.5, stir the reaction thoroughly, filter, dry, and heat-preserve and calcinate at 300°C under an inert atmosphere , to obtain peat-iron oxide composite material after cooling;

[0023] S2. Mix the peat-iron oxide composite material described in step S1 with the rosin emulsion having a solid content of 0.5% in a mass ratio of 1:8, then dry and pulverize to obtain a rosin-modified peat-iron oxide composite material;

[0024] S3. Mix the main biomass material, rosin modified peat-iron oxide composite material, and calcium carbonate in a mass ratio of 80:10:2, extrude and granulate under the conditions of 60MPa and 70°C to obtain a high-combustibility product. Material pellet fuel; wherein, the main biomass material is composed of wheat straw, pe...

Embodiment 2

[0026] A preparation method of high-combustibility biomass particle fuel, comprising the following steps:

[0027] S1. Mix peat and ferric nitrate solution with a concentration of 0.06mol / L in a mass ratio of 1:15, then adjust the pH to 5, stir the reaction thoroughly, filter, dry, and heat-preserve and calcinate at 320°C under an inert atmosphere , to obtain peat-iron oxide composite material after cooling;

[0028] S2. Mix the peat-iron oxide composite material described in step S1 with the rosin emulsion having a solid content of 0.8% in a mass ratio of 1:9, then dry and pulverize to obtain a rosin-modified peat-iron oxide composite material;

[0029] S3. Mix the main biomass material, rosin modified peat-iron oxide composite material, and calcium carbonate at a mass ratio of 85:12:3, extrude and granulate at 70MPa and 80°C to obtain a high-combustibility product. Material pellet fuel; among them, the main biomass material is composed of wheat straw, peanut shells and sawd...

Embodiment 3

[0031] A preparation method of high-combustibility biomass particle fuel, comprising the following steps:

[0032] S1. Mix peat and 0.1mol / L ferric nitrate aqueous solution evenly in a mass ratio of 1:20, then adjust the pH to 5.5, fully stir the reaction, filter, dry, and heat-preserve and calcinate at 350°C under an inert atmosphere , to obtain peat-iron oxide composite material after cooling;

[0033] S2. Mix the peat-iron oxide composite material described in step S1 with the rosin emulsion having a solid content of 1% in a mass ratio of 1:10, then dry and pulverize to obtain a rosin-modified peat-iron oxide composite material;

[0034] S3. Mix the main biomass material, rosin modified peat-iron oxide composite material, and calcium carbonate at a mass ratio of 100:20:5, extrude and granulate at 80MPa and 100°C to obtain a high-combustibility product. Material pellet fuel; wherein, the main biomass material is composed of wheat straw, peanut shells and sawdust in a mass r...

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Abstract

The invention discloses a preparation method of a biomass granular fuel with a high combustion performance. The preparation method comprises the following steps: loading iron oxide on peat by an in-situ method to form a peat-iron oxide composite material, mixing the peat-iron oxide composite material with rosin emulsion, drying, pulverizing, mixing the obtained peat-iron oxide composite material with a biomass main material and an anti-slagging agent according to a proper ratio, and granulating to obtain the biomass granular fuel with high combustion performance. The biomass granular fuel hasthe advantages of being high in combustion rate, high in heat value, complete in combustion and not prone to slagging, and the combustion performance is remarkably improved.

Description

technical field [0001] The invention relates to the technical field of biomass particle fuel, in particular to a biomass particle fuel with high combustion performance and a preparation method thereof. Background technique [0002] With the rapid development of the economy, the demand for energy is gradually increasing. However, due to the priority of the stock of petrochemical energy, and the use of petrochemical energy will aggravate greenhouse gas emissions, leading to global climate change problems, looking for new clean alternatives to petrochemical energy Energy has become the focus of solving energy problems. Biomass has the advantages of abundant raw materials, environmental protection and sustainability, and has been widely used. Among them, biomass pellet fuel is solid biomass energy. It is a uniform-sized granular solid fuel obtained by compressing or extruding biomass waste such as crop straw, peanut shells, and sawdust by mechanical force. It is easy to use, tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L9/10C10L9/12
CPCC10L5/44C10L9/10C10L9/12Y02E50/10Y02E50/30
Inventor 吴劲松
Owner 怀宁县泰华新能源科技有限公司
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