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Biomass fuel

A biomass fuel, mass ratio technology, applied in the direction of biofuels, waste fuels, fuels, etc., can solve the problems of fuel calorific value and anti-slagging performance to be improved, to improve the microscopic appearance and surface energy, easy to adsorb and Reaction, the effect of reducing the slagging rate

Active Publication Date: 2021-09-24
唐山市华亿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

The biofuel has firm combination and stable combustion effect, but the calorific value and anti-slagging performance of the fuel need to be improved

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0046] A method for preparing biomass fuel, comprising the following steps:

[0047] Z1 crushes crop straw residues and dries them to obtain residue powder;

[0048] Z2 Mix the residue powder and anti-slagging agent, then press and cut to obtain granular biomass fuel.

[0049] In the Z1 process: the crop stalk residue is a mixture of bagasse, sorghum stalk, cassava residue, and corn stalk in a mass ratio of 1:1:1:1; the drying temperature is 75°C, and the drying time is 3h; the fiber length of the residue powder is ≤7mm.

[0050] In the Z2 process: the mass ratio of the residue powder to the anti-slagging agent is 19:1; the pressure of the pressing is 13MPa, and the holding time is 35min; the size of the biomass fuel is 2mm×2mm× 2mm.

[0051] The preparation method of described anti-slagging agent is:

[0052] E1 adopts two sizes of alumina grinding balls to dry-grind the ore through a planetary ball mill to obtain ore powder;

[0053] E2 washes the ore powder obtained by...

Embodiment 2

[0061] It is basically the same as Example 1, except that the wetting agent is polyoxyethylene sorbitan laurate.

Embodiment 3

[0063] It is basically the same as Example 1, except that the wetting agent is polyethylene glycol diacrylate.

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Abstract

The invention discloses a biomass fuel which is prepared by the following method: crushing and drying crop straw residues to obtain residue powder; and mixing the residue powder, an anti-slagging agent and a functional additive, and then pressing and cutting the mixture to obtain the biomass fuel. The biomass fuel disclosed by the invention can be fully combusted, and is high in calorific value and low in flue gas slagging rate.

Description

technical field [0001] The invention belongs to the technical field of biomass fuel, and in particular relates to a biomass fuel. Background technique [0002] Common biomass includes agricultural waste, oil crops, industrial organic waste, wood processing waste, animal manure, etc. Biomass reserves are high and renewable, and the carbon dioxide released by burning is almost equivalent to the carbon dioxide absorbed by photosynthesis during growth. It can be considered that the carbon dioxide produced when burning biomass fuel is zero. Therefore, the effective and full conversion of biomass fuel can not only solve the problem of waste of resources and pollution, but also meet the fuel demand in rural areas. Chinese patent CN103184087A discloses a biomass fuel and its preparation method, including the following steps: mixing wood chips, straw, hickory nut shells, and bamboo chips; Iron wire; passing through a granulator to compress the powder into granules; cooling. The bi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L10/00
CPCC10L5/445C10L10/00Y02E50/30Y02E50/10
Inventor 崔学武
Owner 唐山市华亿生物质燃料有限公司
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