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Granular biomass fuel and preparation method thereof

A technology for biomass particles and biomass raw materials, which is applied in the fields of biofuel, waste fuel, fuel, etc., can solve the problems of reducing the combustion efficiency of biomass fuel particles and environmental pollution, so as to avoid insufficient combustion, environmental pollution, and emission. volume reduction effect

Active Publication Date: 2015-05-20
海聚高分子材料科技(广州)有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the existing biomass fuel particles are prone to produce volatile incomplete combustion acid flue gas during preparation and combustion, thereby causing environmental pollution and reducing the combustion efficiency of biomass fuel particles

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] biomass pellet fuel

[0043] A biomass pellet fuel is prepared by mixing 100 kg of miscellaneous wood sawdust and 0.1 kg of an additive, wherein the additive is calcium carbonate powder with a particle size of 140nm, and the weight of the additive is 0.1% of the weight of the biomass raw material.

[0044] Preparation of biomass pellet fuel

[0045] (1) 100 kilograms of miscellaneous wood sawdust after drying and screening;

[0046] (2) cyclone separation is carried out to the dried miscellaneous wood sawdust;

[0047] (3) add 0.1 kilogram of calcium carbonate powder in the miscellaneous wood sawdust after cyclone separation, mix homogeneously;

[0048] (4) Transport the mixed wood sawdust and calcium carbonate powder to the biomass pellet machine, and roll it into a diameter of 3-5mm and a length of 4- 6cm, biomass pellet fuel with a moisture content of 12.3%.

[0049] Detect the ash content of the fuel after combustion, the measured ash content is 1.4%, the te...

Embodiment 2

[0051] biomass pellet fuel

[0052] A kind of biomass granular fuel, prepared by mixing 100 kg of wood sawdust and corn stalks and 1.8 kg of additives, wherein the additive is calcium carbonate powder with a particle size of 180nm, and the weight of the additive is 1.8% of the weight of the biomass raw material .

[0053] Preparation of biomass pellet fuel

[0054] (1) 100 kilograms of miscellaneous wood sawdust after drying and screening;

[0055] (2) cyclone separation is carried out to the dried miscellaneous wood sawdust;

[0056] (3) add the calcium carbonate powder of 1.8 kilograms in the sawdust of miscellaneous wood after cyclone separation, mix homogeneously;

[0057] (4) Transport the mixed wood sawdust and calcium carbonate powder to the biomass pellet machine, and roll it into a diameter of 3-5mm and a length of 4- The 6cm biomass pellet fuel has a moisture content of 12.2%.

[0058] The ash content of the burned fuel was detected, the measured ash content...

Embodiment 3

[0060] biomass pellet fuel

[0061] A kind of biomass pellet fuel, prepared by mixing 100 kilograms of miscellaneous wood sawdust and 1.6 kilograms of additives, the additives are a mixture of calcium carbonate and magnesium carbonate, wherein the concentration of calcium carbonate is 90% by weight, and the concentration of magnesium carbonate is 90% by weight For 10%, the particle sizes of calcium carbonate and magnesium carbonate are 180 nm and 400 nm. The weight of the additive is 1.6% of the weight of the biomass raw material.

[0062] Preparation of biomass pellet fuel

[0063] (1) 100 kilograms of miscellaneous wood sawdust after drying and screening;

[0064] (2) cyclone separation is carried out to the dried miscellaneous wood sawdust;

[0065] (3) add the mixture of 1.6 kilograms of calcium carbonate and magnesium carbonate in the miscellaneous wood sawdust after cyclone separation, mix homogeneously;

[0066] (4) Transport the mixed sawdust, calcium carbonate...

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Abstract

The invention discloses a granular biomass fuel which comprises a biomass raw material and an additive, wherein the additive is calcium carbonate, magnesium carbonate or a mixture of calcium carbonate and magnesium carbonate; and the weight of the additive is 0.1%-1.8% of that of the biomass raw material. According to the granular biomass fuel disclosed by the invention, acidic volatile gas can be prevented from volatilizing into atmosphere; the problems of environmental pollution caused by the acidic volatile gas and insufficient combustion of the granular biomass fuel are solved; and the combustion efficiency of the granular biomass fuel is improved.

Description

technical field [0001] The invention belongs to the field of biomass fuels, in particular to a biomass particle fuel and a preparation method thereof. Background technique [0002] Using wood chips, bamboo chips, branches, straw, plant shells, etc. as raw materials, through professional machinery, special technology, without any chemical additives, the granular fuel formed by high-pressure and low-temperature compression is collectively called biomass pellet fuel. Biomass pellet fuel has high calorific value and is clean and pollution-free. It is a high-tech environmental protection product that replaces fossil energy. CO released during combustion of biomass pellet fuel 2 Roughly equivalent to the CO absorbed by photosynthesis during its growth 2 , so the greenhouse gas CO of biomass particles 2 For zero emissions. Biomass fuel is a renewable energy source. As long as there is sunlight, the photosynthesis of green plants will not stop, the biomass energy will not be ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44
CPCY02E50/10Y02E50/30
Inventor 周治明
Owner 海聚高分子材料科技(广州)有限公司
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