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Production method of biomass fuel

A technology of biomass fuel and production method, applied in the direction of biofuel, waste fuel, fuel, etc., can solve problems such as easy ash accumulation, limit the use of biomass fuel, unstable operation, etc., and achieve the effect of improving combustion performance

Active Publication Date: 2014-10-01
NANKAI UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, ordinary biomass fuels are prone to slagging, ash accumulation, and insufficient combustion during the combustion process, which leads to problems such as low combustion efficiency and unstable operation of the boiler, which greatly limits the use of biomass fuels.

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0026] A production method of biomass fuel, the main raw materials include: 92% corn stalks, 7.6% sawdust, 0.1% oxidant and 0.3% anti-slagging agent. Wherein, the crushed particle size of corn stalks and sawdust is 1-15mm, and the moisture content after drying is 7%. Among the oxidants, the ratio of potassium permanganate and calcium oxide is 1:2. The anti-slagging agent consists of 16% iron oxide, 34% calcium carbonate and 50% attapulgite clay. The particle size of the oxidizing agent and slagging agent is 100 mesh. The uniformly mixed raw materials are compressed into pellets by a pellet machine, and the low-slagging biomass pellet fuel is obtained after cooling.

Embodiment 2

[0028] A production method of biomass fuel, the main raw materials include: 48% corn stalks, 46% sorghum stalks, 5.6% wood chips, 0.05% oxidant and 0.35% anti-slagging agent. Wherein, the crushed particle size of corn stalks and sawdust is 4-18mm, and the moisture content after drying is 8%. Among the oxidizing agents, the ratio of potassium permanganate and calcium oxide is 1:3. The anti-slagging agent consists of 12% iron oxide, 40% calcium carbonate and 48% attapulgite clay. The particle size of the oxidant and slagging agent is 120 mesh. The mixed raw materials are compressed into pellets by a pellet machine, and the low-slagging biomass pellet fuel is obtained after cooling.

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Abstract

The invention discloses a production method of a biomass fuel, and relates to a production method of the biomass fuel with a low clinkering property. Crop straws, landscaping garbage, wood chips and other biomass are used as main raw materials, and are smashed and dried, then, an oxidizing agent and a slag-formation prevention agent are added, and the main raw materials, the oxidizing agent and the slag-formation prevention agent are mixed and pelletized, so that a biomass particle fuel can be obtained. The biomass fuel has the advantages that the combustion efficiency is high, and the slag formation is prevented, thereby being a high-grade fuel suitable for being used in cities of various scales and industrial boilers; the production method is safe, simple and convenient, can effectively improve the combustion performance of the biomass fuel, improves the operation efficiency of a biomass boiler, and greatly promotes the utilization effect of the biomass fuel.

Description

technical field [0001] The invention relates to a production method of biomass fuel, in particular to a production method of low slagging biomass fuel. Background technique [0002] With the rapid development of industrialization, urbanization and social economy, China's energy demand has increased dramatically. China has become the world's second largest energy producer and consumer. It is socially inevitable to actively promote and develop biomass energy in renewable energy. [0003] According to research, the energy of biomass briquette fuel is equivalent to that of medium-quality coal, with long-lasting combustion firepower, less black smoke, high furnace temperature, and very convenient storage, transportation and use. It can replace fossil energy for production and living fields. [0004] However, ordinary biomass fuels are prone to slagging, ash accumulation, and insufficient combustion during the combustion process, which leads to problems such as low combustion ef...

Claims

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Application Information

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IPC IPC(8): C10L5/44
CPCY02E50/30Y02E50/10
Inventor 刘金鹏鞠美庭万宁孙晓蓉王治江沈怡麟
Owner NANKAI UNIV
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