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Anti-slagging biomass solid granular fuel

A solid particle and biomass technology, applied to solid fuel, biofuel, waste fuel, etc., can solve the problems of low combustion efficiency, high combustion rate, and low slagging rate, and achieve improved combustion rate, combustion promotion, and anti-slagging good slag effect

Active Publication Date: 2014-09-24
江山华隆能源开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problems of easy slagging and low combustion efficiency of the biomass solid particle fuel in the prior art, and provides an anti-slagging biomass solid particle fuel. The biomass solid particle fuel of the present invention has simple components , reasonable compatibility, low cost, high combustion rate, low slagging rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of anti-slagging biomass solid particle fuel, its density is 1g / cm 3 , is made of crop straw, sawdust, bagasse, combustion-promoting agent, and anti-slagging agent. The specific ratio of each raw material in the solid granular fuel is shown in Table 1, wherein the particle size of the crop straw is 3 mm, and the particle size of the wood chip is 0.5 mm. mm, the particle size of bagasse is 3mm, the particle size of the combustion-promoting agent is 180 mesh, and the particle size of the anti-slagging agent is 180 mesh. The slagging agent is composed of 30wt% dolomite powder, 40wt% aluminum oxide and 30wt% copper oxide.

Embodiment 2

[0022] A kind of anti-slagging biomass solid particle fuel, its density is 1.02g / cm 3 , is made of crop straw, sawdust, bagasse, combustion-promoting agent, and anti-slagging agent. The specific proportioning ratio of each raw material in the solid granular fuel is shown in Table 1, wherein the particle size of the crop straw is 4 mm, and the particle size of the wood chip is 0.7 mm. mm, the particle size of bagasse is 4mm, the particle size of the combustion-promoting agent is 190 mesh, and the particle size of the anti-slagging agent is 190 mesh. The slagging agent is made by mixing 35wt% dolomite powder, 32wt% aluminum oxide and 33wt% copper oxide.

Embodiment 3

[0025] Table 1 The specific proportioning of biomass solid particle fuel raw materials in each embodiment

[0026] raw material Example 1 Example 2 Example 3 Crop straw (Kg) 60 65 70 Sawdust (Kg) 10 12 15 Bagasse (Kg) 7 10 5 Accelerator (Kg) 3 4 5 Anti-slagging agent (Kg) 1 2 3

[0027] The index of biomass solid particle fuel of the present invention is as follows:

[0028] project standard diameter 6~12mm length 15~50mm calorific value ≥4000Kcal / Kg density 1 ~1.05t / m3 Ash ≤6% Smoke blackness ≤Level 1 Exhaust emission standard GB13271-2001 Volatile matter ≥80% Burn rate ≥95% water content 8~12% sulfur content ≤0.11% Slagging rate ≤3%

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PUM

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Abstract

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.

Description

technical field [0001] The invention relates to a biomass fuel, in particular to an anti-slagging biomass solid particle fuel. Background technique [0002] Biomass solid briquette fuel refers to a solid fuel that uses agricultural production residues such as crop straws and is compressed into a specific shape by special equipment to increase its density. When using CO 2 Net emissions are approximately zero, NO X , SO 2 The low emissions are conducive to reducing the phenomenon of straw burning in vast rural areas and improving the atmospheric environment. [0003] However, due to the inherent high content of alkali metal elements in biomass such as straw, the ash melting point is low, and the slagging phenomenon is serious during use, which not only reduces the combustion efficiency, but also causes serious corrosion to the combustion equipment and reduces the performance of the combustion equipment. and service life. [0004] For example, the application publication...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44
CPCY02E50/30Y02E50/10
Inventor 陈敏
Owner 江山华隆能源开发有限公司
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