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Biomass granular fuel and processing method thereof

A technology of biomass particles and processing methods, applied in the direction of biofuels, waste fuels, fuels, etc., can solve the problems of difficult storage, low thermal efficiency, and environmental pollution, and achieve easy drying and burning, increase contact area, and reduce production costs. Effect

Inactive Publication Date: 2017-02-08
玉溪加宝生物能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a biomass pellet fuel and its processing method to solve the problems of low utilization rate of raw materials in traditional biomass direct combustion power generation, inconvenient collection and transportation, difficult storage, large stacking space and perishable, polluting environment , low thermal efficiency, high proportion of resource waste, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The present embodiment provides a kind of processing method of biomass granular fuel, comprising:

[0029] Crushing, crushing the waste sawdust produced in the factory, residual oak wood waste from wood processing and waste furniture wood to sawdust with a diameter of less than 7mm;

[0030] One-time mixing, mix 40Kg of dry shavings with a moisture content of 4-6% and 60Kg of wood chips with a moisture content of 30-35% at 150 degrees Celsius, and the moisture content of the primary mixture reaches 13-14%;

[0031] For secondary mixing, mix the primary mixture with 120Kg of wood chips with a moisture content of 8-10% at 150 degrees Celsius to obtain a secondary mixture with a moisture content of 7-8%.

[0032] Three times of mixing, spraying atomized biodiesel and waste oil to remove solid impurities and moisture in the secondary mixture are 1Kg in total, 1Kg of solid ammonium bicarbonate, and mix uniformly;

[0033] For granulation, the secondary mixture added with th...

Embodiment 2

[0036] The present embodiment provides a kind of processing method of biomass granular fuel, comprising:

[0037] Crush, crush the remaining waste from wood processing and waste pine furniture wood to sawdust with a diameter of less than 7mm;

[0038] One-time mixing, mix 60Kg of dry shavings with a moisture content of 4-6% and 40Kg of wood chips with a moisture content of 25-30% at 100 degrees Celsius, and the moisture content of the primary mixture reaches 10-11%;

[0039] For secondary mixing, mix the primary mixture with 80Kg of wood chips with a moisture content of 8-10% at 100 degrees Celsius to obtain a secondary mixture with a moisture content of 7-8%.

[0040] Mix three times, spray 4Kg of atomized gasoline into the secondary mixture, 4Kg of solid ammonium bicarbonate and sodium bicarbonate, and mix uniformly;

[0041] For granulation, the secondary mixture added with the combustion accelerator is added to the granulator for granulation, and then baked at 140 degrees...

Embodiment 3

[0044] The present embodiment provides a kind of processing method of biomass granular fuel, comprising:

[0045]Crushing, crushing the waste fir sawdust produced in the factory, residual wood processing waste and waste furniture wood to sawdust with a diameter of less than 7mm;

[0046] One-time mixing, mix 50Kg of dry shavings with a moisture content of 4-6% and 50Kg of wood chips with a moisture content of 28-33% at 125 degrees Celsius, and the moisture content of the primary mixture reaches 11-13%;

[0047] For secondary mixing, mix the primary mixture with 100Kg of wood chips with a moisture content of 8-10% at 125 degrees Celsius to obtain a secondary mixture with a moisture content of 7-8%.

[0048] Mix three times, spray a total of 3Kg of atomized diesel oil and kerosene, 3Kg of sodium bicarbonate into the secondary mixture, and mix well;

[0049] For granulation, the secondary mixture added with the combustion accelerator is added to the granulator for granulation, a...

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Abstract

The invention discloses a biomass granular fuel. Raw materials comprises the following components in proportions by weight: 4 to 6 parts of shaving, 12 to 18 parts of wood chip, 0.1 to 0.4 part of swelling agent and 0.1 to 0.4 part of flame accelerator, wherein the water content of the shaving is 4 to 6 percent; the wood chip is a mixture of a wood chip of which the water content is 25 to 35 percent and a wood chip of which the water content is 8 to 10 percent according to a weight ratio of 1 to 2. The invention also provides a processing method of the biomass granular fuel. The processing method comprises pulverization, primary mixing, secondary mixing, tertiary mixing and granulation. The biomass granular fuel which is provided by the invention and is processed by utilizing the production waste of a timber is more convenient to use and transport; the resource utilization rate is improved; the heat value of the biomass granular fuel can reach 4500 to 4700 kilocalories per kilogram; a liquid fuel is added into the raw materials in a spraying manner as the flame accelerator; sodium hydrogen carbonate and ammonium hydrogen carbonate are used as the swelling agent; the combustion performance of the biomass granular fuel is further improved; according to the biomass granular fuel and the processing method thereof, the raw materials are subjected to the primary mixing and the secondary mixing; the uniform distribution of moisture is facilitated; the flame accelerator is atomized and sprayed into a secondary mixture; the uniform distribution of the flame accelerator is promoted.

Description

technical field [0001] The invention relates to biomass-based solid fuel, in particular to biomass particle fuel and a processing method thereof. Background technique [0002] Biomass refers to various organisms produced through photosynthesis using the atmosphere, water, land, etc., that is, all living organic substances that can grow are collectively referred to as biomass. At present, the energy crisis and environmental pollution are common problems faced by the whole world. Solving the problem of energy shortage and environmental pollution caused by energy development is the key to the sustainable development of human beings. Biomass energy is the form of solar energy stored in biomass in the form of chemical energy. The energy form, that is, the energy with biomass as the carrier, has the dual characteristics of renewable and low pollution, and is considered to be an important part of future renewable energy. The efficient development and utilization of biomass energy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44
CPCY02E50/10Y02E50/30C10L5/442C10L2290/24C10L2290/28
Inventor 赵红伟
Owner 玉溪加宝生物能源有限公司
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