Efficient slag-accumulation resistance biomass composite fuel

A composite fuel and biomass technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of unfavorable popularization and application, increase the difficulty of industrial production of biomass fuel, and increase production cost, so as to improve thermal efficiency, life span, and increase The effect of combustion efficiency

Inactive Publication Date: 2015-11-25
格薪源生物质燃料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Both of the above two biomass fuels have a certain anti-slagging effect, but the former needs to be added with fuel additives made of quicklime, combustion improver and high clay, and the latter ne...

Method used

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  • Efficient slag-accumulation resistance biomass composite fuel
  • Efficient slag-accumulation resistance biomass composite fuel
  • Efficient slag-accumulation resistance biomass composite fuel

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Experimental program
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Embodiment 1～11

[0034] According to the values ​​given in Tables 1-2, each component is compounded according to moisture content, particle size distribution, and proportion, and is made into biomass fuel through processes such as crushing, screening, and mixing. Due to the addition of 1% to 4% boiler ash and slag, the reasonable proportion, particle size distribution and dry and wet ingredients improve the reaction conditions in the furnace, effectively control the slagging phenomenon, and extend the boiler slagging cleaning cycle to 4 weeks above.

[0035] Table 1

[0036]

[0037]

[0038] Table 2

[0039]

[0040]

[0041] Explanation: Blank cells in Table 1 and Table 2 indicate that the corresponding components are not contained; the values ​​in the cells on the right of particle size and moisture content are the comprehensive proportion of biomass fuels falling within the given range.

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Abstract

The invention discloses efficient slag-accumulation resistance biomass composite fuel. The fuel comprises two or more ingredients out of wooden leftover materials, bamboo leftover materials, straw, bark, fuel wood, rice husks, peanut shells and fragmentary branches. In order to improve the slag accumulation phenomenon, boiler ash is added to the composite fuel, and the boiler ash takes up, by mass, 1%-4%. By means of the biomass composite fuel, heated devices such as a water wall of a biomass boiler can be prevented from accumulating slag, heat generated in the combustion process of the fuel can be evenly distributed inside a hearth, the combustion efficiency of the biomass fuel is improved, the utilization rate of biomass energy is higher, the thermal efficiency of the boiler is higher, and the life of a circulating fluidized bedboiler is prolonged.

Description

technical field [0001] The invention relates to a biomass fuel, in particular to a high-efficiency anti-slagging biomass composite fuel. Background technique [0002] Since entering the 21st century, energy and the environment have become the focus of common attention of all countries in the world. More and more countries regard the development of biomass energy as an important strategic measure to replace fossil energy and ensure energy security, and actively promote the development and utilization of biomass energy. The role of physical energy in the energy supply of many countries is increasing. [0003] Since plants absorb Ca, Mg, K, Na, Si, S, P and other elements during the growth process, after harvesting, these elements remain in the plants, and in addition, they will not be available during the harvesting, processing and transportation of biomass. Avoid mixing some gravel, soil, etc., thereby increasing the ash content of biomass fuel. A large amount of inorganic ...

Claims

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Application Information

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IPC IPC(8): C10L5/44
CPCY02E50/10Y02E50/30
Inventor 陈义生朱华银裴振林曾鑫何承会水振江罗旭谢鸿微王为
Owner 格薪源生物质燃料有限公司
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