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Biomass wood sawdust pellet fuel and preparation method thereof

A pellet fuel and biomass technology, applied in the direction of biofuel, waste fuel, fuel, etc., can solve the problems of biomass pellet fuel, such as low calorific value, low combustion rate and thermal efficiency, distinguishing identification and compound compatibility, short fuel burning time, etc. Reach the effect of reducing the addition of binding medium, prolonging the burning time and increasing the calorific value

Active Publication Date: 2014-08-20
联合优发生物质能源徐州有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the above-mentioned patented biomass pellet fuel still has problems such as relatively low calorific value, combustion rate and thermal efficiency, short fuel combustion time, and insufficient combustion.
Especially for the existing biomass pellet fuel that uses wood chips as the main raw material, it does not differentiate, identify and compound compatibility for different types of wood chips to further improve the combustion calorific value, combustion rate and thermal efficiency

Method used

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  • Biomass wood sawdust pellet fuel and preparation method thereof
  • Biomass wood sawdust pellet fuel and preparation method thereof
  • Biomass wood sawdust pellet fuel and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Biomass particle fuel is prepared according to the following steps:

[0038] (1) Mixing and crushing:

[0039] Select each described raw material component by the composition of table 1, formula ratio: pine sawdust 5kg and oak sawdust 10kg, ash sawdust 5kg, ash sawdust 10kg, birch sawdust 15kg, elm sawdust 5kg, jujube sawdust 10kg and oak sawdust 5kg ; Mixed and pulverized to obtain wood chips with a diameter of 0.05-2mm.

[0040] (2) Drying: Send the mixed and pulverized sawdust particles into a drum oven for drying. The temperature in the front section is about 160-250°C, and the temperature in the rear end gradually decreases, so that the moisture content of the wood chips will be 5-8 %;

[0041] (3) Transit inspection: the dried sawdust particles are sent to the storage room for moisture content inspection to ensure that the moisture content of the sawdust particles is 5-8%. If it is too dry, it needs to be mixed with sawdust with high humidity; if the humidity i...

Embodiment 2

[0044] The implementation process of this embodiment is basically the same as that of Example 1, and its formula ratio and process control parameters are shown in Table 1 and Table 2.

[0045] Table 1 formula ratio

[0046] components Example 1 Example 2 Example 3 Example 4 Comparative example 3 Comparative example 4 Pine sawdust 5 10 15 12 5 12 Oak sawdust 10 — — 20 10 20 Ash sawdust 5 90 5 10 5 10 Ash sawdust 10 — 90 5 10 5 birch sawdust 15 — — 5 15 5 Elm sawdust 5 — — 25 5 25 Jujube sawdust 10 — — 15 10 15 oak chips 5 5 — 20 5 20 CaO 0.5 1 0.6 — 0.5 —

[0047] Table 2 Process parameters

[0048]

[0049]

Embodiment 3

[0051] The implementation process of this embodiment is basically the same as that of Example 1, and its formula ratio and process control parameters are shown in Table 1 and Table 2.

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Abstract

The invention discloses a biomass wood sawdust pellet fuel and a preparation method thereof. The biomass wood sawdust pellet fuel contains the ingredients in parts by weight: 5-15 parts of pine wood sawdust and 60-100 parts of hard miscellaneous wood sawdust, wherein the hard miscellaneous wood sawdust contains two or more of toothed oak wood sawdust, olive ash wood sawdust, ash wood sawdust, birch wood sawdust, elm wood sawdust, jujube wood sawdust and oak wood sawdust. The biomass wood sawdust pellet fuel has the advantages that the combustion time is prolonged and the calorific value of combustion, combustion rate and thermal efficiency are remarkably increased while the requirements on energy saving and environmental friendliness are met.

Description

technical field [0001] The invention relates to the technical field of biomass pellet fuel, and particularly discloses a biomass wood pellet fuel and a preparation method thereof. Background technique [0002] The rapid economic development is inseparable from energy, and the shortage of traditional fossil energy oil, natural gas and coal is becoming more and more serious. Biomass energy, as the fourth largest energy source, has become an energy source with great development potential among new energy sources due to its renewable and zero-carbon emission characteristics. [0003] Biomass pellet fuel, also known as Biomass Moulding Fuel (BMF for short), is made of agricultural and forestry waste (such as straw, sawdust, bagasse, rice bran, etc.) A new type of clean fuel that can be made into various shapes (such as granular) and can be burned directly. [0004] With the rapid application of biomass pellet fuel and the rapid development of its processing technology, the rang...

Claims

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Application Information

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IPC IPC(8): C10L5/44
CPCY02E50/30Y02E50/10
Inventor 姚杰
Owner 联合优发生物质能源徐州有限公司
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