Oily biomass wood dust particle fuel formula with high combustion value and preparation method thereof

A particle fuel, combustion value technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve problems such as screw shaft wear, achieve the effect of good compression ratio, prolong mechanical life, reduce wear and tear

Inactive Publication Date: 2013-04-24

柳州宝源生物燃料有限公司

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Problems solved by technology

[0008] The invention provides a high combustion value oily biomass wood pellet fuel formula and its preparation ...

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Abstract

The invention discloses an oily biomass wood dust particle fuel formula with high combustion value and a preparation method thereof. Particles comprise the following compounds according to parts by weight: 80-90 parts of wood dust, 6-12 parts of dregs of a decoction, 1-4 parts of peanut shell, additive agent and the like; and the preparation method comprises the steps of crashing, drying, mixing, pressing, cooling and the like. The thermal value, combustion rate and fuel efficiency of biomass fuel are greatly increased, so that better compression ratio is obtained; and simultaneously, the blackness of exhaust smoke is reduced below Ringelmann 1, the abrasion of forming cylinder and spiral shaft is further reduced, and the service life of the machine is prolonged.

Application Domain

BiofuelsSolid fuels +1

Technology Topic

Dust particlesBiomass fuels +5

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Examples

Experimental program(2)

Example Embodiment

[0020] Example 1: Oily biomass wood pellet fuel with high combustion value comprises the following raw materials in parts by weight: 90 parts of wood chips, 9 parts of hawthorn seeds, and 1 part of peanut shells.

[0021] The preparation method of the oily biomass sawdust pellet fuel of high combustion value, it comprises the following steps:

[0022] (a) Pulverization: pulverize wood chips into tiny particles of 1.5mm;

[0023] (b) drying: drying the sawdust particles obtained in step (a) to 7% through a rotary drum dryer;

[0024] (c) mixing: mixing the sawdust particles obtained in step (b) with hawthorn seeds and peanut shells to prepare a mixed material;

[0025] (d) Extrusion: Extrude and granulate the mixed material obtained in step (c), with an extrusion length of 3 cm and a diameter of 0.6 cm, to obtain an oily biomass wood pellet fuel with a high combustion value;

[0026] (e) Cooling: the resulting oily biomass wood pellet fuel with high combustion value was placed in a cooling chamber to cool for 30 minutes.

[0027] This embodiment has been implemented for 1 month without serious mechanical damage, and the deformation of the forming cylinder is not obvious. Only 3 screw shafts need to be replaced. The oily biomass wood pellet fuel with high combustion value obtained has a water content of 7%, and a calorific value of 5000kcal/ kg, ash content 2%, density 1380 kg/m3, sulfur content 0.03%, nitrogen content 0.4%, combustion rate 99%, thermal efficiency 90%, dust emission concentration 50 mg/m3.

Example Embodiment

[0028] Example 2: Oily biomass wood pellet fuel with high combustion value comprises the following raw materials in parts by weight: 80 parts of wood chips, 11 parts of hawthorn seeds, and 2 parts of peanut shells.

[0029] The preparation method of the oily biomass sawdust pellet fuel of high combustion value, it comprises the following steps:

[0030] (a) Pulverization: pulverize wood chips into tiny particles of 1.8mm;

[0031] (b) drying: drying the sawdust particles obtained in step (a) to 6% through a rotary drum dryer;

[0032] (c) mixing: mixing the sawdust particles obtained in step (b) with hawthorn seeds and peanut shells to prepare a mixed material;

[0033] (d) Extrusion: Extrude and granulate the mixed material obtained in step (c), with an extrusion length of 2 cm and a diameter of 0.7 cm, to obtain an oily biomass wood pellet fuel with a high combustion value;

[0034] (e) Cooling: the resulting oily biomass wood pellet fuel with high combustion value was placed in a cooling chamber to cool for 30 minutes.

[0035] This embodiment has been implemented for 1 month without serious mechanical damage, and the deformation of the forming cylinder is not obvious. Only 3 screw shafts need to be replaced. The oily biomass wood pellet fuel with high combustion value obtained has a water content of 7%, and a calorific value of 4800kcal/ kg, ash content 3%, density 1390 kg/m3, sulfur content 0.04%, nitrogen content 0.3%, combustion rate 97%, thermal efficiency 89%, dust emission concentration 60 mg/m3.

[0036] It can be seen that the present invention greatly improves the calorific value, combustion rate and thermal efficiency of biomass fuel, obtains a better compression ratio, and at the same time reduces the blackness of exhaust smoke to below Ringelmann level 1, and reduces the number of forming cylinders and screw shafts Wear and prolong mechanical life. Below is the comparative situation of wood pellet fuel of the present invention and traditional biomass fuel performance:

[0037]

[0038] Comparison results: the wood pellet fuel of the present invention has at least 300kcal/kg higher calorific value than traditional biomass fuel, 1%-5% higher combustion rate, 1%-8% higher thermal efficiency, and the forming cylinder and screw shaft are worn during the production process 60% reduction, greater compression ratio.

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PUM

Property	Measurement	Unit
Calorific value	0.07 ~ 50.0	kcal/kg
Calorific value	4800.0	kcal/kg
Calorific value	0.0	kcal/kg
tensile		MPa
Particle size		Pa
strength	10

Description & Claims & Application Information

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Additive for producing biologic diesel oil directly from grease of animals and plants, and biologic diesel oil prepared by the additive

InactiveCN101050376AImprove physical and chemical performance indicatorsHigh calorific valueBiofuelsLiquid hydrocarbon mixture productionChemistryEthylene glycol monomethyl ether

Owner:曹志德

Composite biomass solid fuel

InactiveCN107937080AHigh calorific valueLow densityBiofuelsSolid fuelsPolyurethane adhesiveScrap

Owner:广西小草信息产业有限责任公司

Classification and recommendation of technical efficacy words

High calorific value
Good compression ratio

Oily biomass wood dust particle fuel formula with high combustion value and preparation method thereof

A particle fuel, combustion value technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve problems such as screw shaft wear, achieve the effect of good compression ratio, prolong mechanical life, reduce wear and tear

AI-Extracted Technical Summary

Problems solved by technology

Abstract

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Examples

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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