Production method for classifying-moulding granular fuel through cold extruding

A technology of pellet fuel and production method, applied in the direction of fuel, solid fuel, biofuel, etc., can solve the problems of reducing the economic benefit of production enterprises, increasing energy consumption and processing cost, and not complying with the energy policy of saving energy and reducing consumption, and achieving the internal The effect of stable quality, basic calorific value and consistent calorific value

Inactive Publication Date: 2013-11-27
吉安市林业科学研究所 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will inevitably increase energy consumption and processing costs, which does not conform to the national energy policy of energy conservation and consumption reduction, and also reduces the economic benefits of production enterprises accordingly

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The pelletized fuel processing method using Chinese fir as raw material is processed through the following steps in sequence:

[0016] (1) Raw material collection and classification: collect forestry residues such as fir branches, top wood, broken wood, bark, leaves, felled roots, dead wood and other forestry residues that are abandoned in logging sites, afforestation land, and tended forest land after felling, afforestation, mountain clearing and land preparation, and tending raw materials, and separate classification and collection of Chinese fir raw materials;

[0017] (2) Natural drying: put the collected Chinese fir raw materials on the drying ground to dry in the sun or dry with natural wind, so that the moisture content of the raw materials is about 20%;

[0018] (3) Raw material crushing: the above-mentioned Chinese fir raw materials are first crushed into large blocks and large particles with a crusher to dry the raw materials, and then crushed to a particle si...

Embodiment 2

[0022] The pelletized fuel processing method using pine wood as raw material is processed through the following steps in sequence:

[0023] (1) Collection and classification of raw materials: collect forestry residues such as pine branches, top wood, broken wood, bark, leaves, felled roots, dead wood and other forestry residues that are abandoned in logging sites, afforestation land, and tended forest land after felling, afforestation, mountain clearing and land preparation, and tending material. Separately collect pine wood raw materials;

[0024] (2) Natural drying: put the collected pine wood raw materials on the drying ground to dry in the sun or dry with natural wind, so that the moisture content of the raw materials is about 15%;

[0025] (3) Raw material crushing: the above-mentioned pine raw materials are first crushed into large blocks and large particles with a crusher to dry the raw materials, and then crushed to a particle size of less than 2mm with a crusher;

...

Embodiment 3

[0029] The granular molding fuel processing method using pure camphor wood as raw material is processed through the following steps successively:

[0030] (1) Raw material collection and classification: collect camphor tree branches, top trees, broken wood, bark, leaves, felled roots, dead wood and other forestry residues that are abandoned in logging sites, afforestation land, and tended forest land after felling, afforestation, mountain clearing and land preparation, and tending material. The above-mentioned camphor wood raw materials

[0031] (2) Natural drying: the collected camphor wood raw materials are placed on the drying ground to be dried by the sun or dried by natural wind, so that the moisture content of the raw materials is within the scope of 18-26%;

[0032] (3) Raw material pulverization: the above-mentioned camphor wood class raw material is broken into chunky shape, large particle with the raw material that air-dries earlier with crusher, is pulverized to pa...

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Abstract

The invention discloses a production method for classifying-moulding a granular fuel through cold extruding. The production method comprises the process steps: 1, classifying-collecting original raw materials; 2, classifying-drying; 3, classifying-pulverizing; and 4, then classifying for moulding the granular fuel through cold compacting. The production method has the advantages that raw materials of which heat values are basically the same or basically consistent are collected into the same class, different classes of raw materials are subjected to classifying-drying, classifying-pulverizing, and then classifying for moulding through cold extruding, therefore, the moulded fuels produced from the raw materials of the same kind or same class are stable in inherent quality, heat values in the fuels are basically consistent, multiple varieties of optional moulded fuels are provided for the market, and a user favorably and designedly selects and uses the moulded fuel.

Description

Technical field: [0001] The invention relates to a production method of biomass briquette fuel, in particular to a production method of using pure forestry residues to make briquette fuel, in particular to a production method of cold extrusion classification briquette fuel. Background technique: [0002] Most of the biomass briquettes in the prior art are formed by pressing mixed raw materials. For example, the granular fuel produced by the National Patent Office with the publication number CN101892108A disclosed "Environmental Protection Plant Energy Granular Fuel Production Technology" is to dry and pulverize the combustible plant material into granular raw materials, and then mix the pulverized particles It is compressed into pellet fuel by molding machine. The application number published by the National Patent Office is 201210150123.4 "Forest wood waste briquette fuel and its processing method". The forest waste briquette fuel is produced by crushing forest wood waste ...

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 刘大椿黄逢龙石受飞杨伟刚吴雪枫周日巍
Owner 吉安市林业科学研究所
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