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Method for producing high-quality dense biomass solid fuel with low energy consumption

A solid fuel and biomass technology, applied in the field of biomass solid fuel production, can solve the problems of high energy consumption and insufficient combustion of products, and achieve the effects of saving energy, improving quality, and solving high energy consumption

Inactive Publication Date: 2017-05-31
江西净达生物新能源股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the production of biomass solid fuel consumes a lot of energy, and the combustion of the product is not sufficient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] (1) Step 1: Expose the plant stalks used to produce biomass solid fuel in the sun for 3-5 hours, and the temperature under the sun is preferably 20 degrees Celsius to 30 degrees Celsius;

[0020] (2) The second step: pulverizing (1) the dried plant stalks used to produce biomass solid fuel with a pulverizer;

[0021] (3) The third step: humidifying the pulverized particles in (2), keeping the humidity at 40%-50%;

[0022] (4) The fourth step: drying the humidified particles in (3) to keep the water content at 10%-20%;

[0023] (5) The fifth step: add the dried particles in (4) to the coal slime and combustion accelerant, and mix them according to the ratio of 6:3:1;

[0024] (6) Step 6: Extrude the mixture of (5) through an extruder, cool and store qualified products, and collect unqualified products for unified processing.

[0025] The length of the pulverized particles in the second step (2) should be 1cm-2cm.

Embodiment 2

[0027] (1) Step 1: Expose the plant stalks used to produce biomass solid fuel in the sun for 3-5 hours, and the temperature under the sun is preferably 20 degrees Celsius to 30 degrees Celsius;

[0028] (2) The second step: pulverizing (1) the dried plant stalks used to produce biomass solid fuel with a pulverizer;

[0029] (3) The third step: humidifying the pulverized particles in (2), keeping the humidity at 40%-50%;

[0030] (4) The fourth step: drying the humidified particles in (3) to keep the water content at 10%-20%;

[0031] (5) The fifth step: add the dried particles in (4) to the coal slime and combustion accelerant, and mix them according to the ratio of 6:3:1;

[0032] (6) Step 6: Extrude the mixture of (5) through an extruder, cool and store qualified products, and collect unqualified products for unified processing.

[0033] The length of the pulverized particles in the second step (2) should be 1cm-2cm.

[0034] The humidification in the third step (3) is a ...

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Abstract

The invention discloses a method for producing high-quality dense biomass solid fuel with low energy consumption. The lengths of degradation particles in a second step (2) are 1 to 2 cm; a spray humidification way is adopted in a third step (3); unqualified products in a sixth step (6) are smashed intensively, and then molded through an extruder. The novel method for producing high-quality dense biomass solid fuel with low energy consumption has the beneficial effects that the problems of high energy consumption and low combustion efficiency in the prior art are solved, energy can be saved better, and the product quality is improved.

Description

technical field [0001] The invention relates to the field of methods for producing biomass solid fuels, in particular to a method for producing high-quality dense biomass solid fuels with low energy consumption. Background technique [0002] Biomass fuel: refers to the burning of biomass materials as fuel, generally mainly agricultural and forestry wastes (such as straw, sawdust, bagasse, rice bran, etc.). The main difference is from fossil fuels. In the current national policy and environmental protection standards, direct combustion of biomass is a highly polluting fuel, which is only used in large stoves in rural areas and is not allowed to be used in cities. The application of biomass fuel is actually mainly biomass molding fuel (Biomass Moulding Fuel, referred to as "BMF"), which uses agricultural and forestry waste as raw materials, and through crushing, mixing, extrusion, drying and other processes, it is made into various moldings (such as block Shape, granular, et...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44
CPCY02E50/10Y02E50/30C10L5/445
Inventor 何东钰何高秋
Owner 江西净达生物新能源股份有限公司