Biomass energy particles and preparation method thereof

A biomass energy and particle technology, which is applied in the fields of biofuels, waste fuels, solid fuels, etc., can solve the problems of unsatisfactory gas production effect, discharge of harmful components, complicated production process, etc. The effect of reducing consumption and cost, and reasonable raw material formula

Inactive Publication Date: 2010-09-29
辽宁省林产工业总公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the fuel contains gangue components, harmful components will be discharged after combustion, and it is only suitable for direct combustion, and the gas production effect is not ideal
The Chinese invention patent application with the patent application number 200710034411.2 discloses a biomass pellet f

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The damp sawdust is crushed and screened to make the particle size ≤1.5mm; then the selected sawdust is sent to the drum drying room for heating and drying at a temperature of 70℃; after that, the degassing and impurity removal After processing, it is sent to the ring die compression equipment for extrusion molding to produce light yellow energy particles with a diameter of 6mm and a length of 6-30mm; then they are sent to the cooling equipment for cooling, screening, packaging and sealing, and the product molding rate reaches 98%. The moisture content is not more than 8%.

Embodiment 2

[0017] The wet rice husk is crushed and sieved to make the particle size ≤7mm; then the selected sawdust is sent to the drum drying room for heating and drying at a temperature of 30℃; after that, it is subjected to degassing and impurity removal treatment Then it is sent to the ring die compression equipment for extrusion molding to produce light yellow energy particles with a diameter of 6 mm and a length of 6 to 30 mm; then they are sent to the cooling equipment for cooling, screening, packaging and sealing, and the product molding rate reaches 98%, containing water The rate is not more than 8%.

Embodiment 3

[0019] The crushed sawdust and rice husks are mixed in a ratio of 1:1, and then sent to the mixer to stir evenly; then the uniformly mixed raw materials are sent to the drum drying chamber for heating and drying at a temperature of 50°C; After degassing and impurity removal, it is sent to the ring die compression equipment for extrusion molding to produce light yellow energy particles with a diameter of 6mm and a length of 6-30mm. Then they are sent to the cooling equipment for cooling, screening, packaging and sealing. The forming rate is 98%, and the moisture content is not more than 8%.

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Abstract

The invention discloses biomass energy particles and a preparation method thereof. The biomass energy particles are formed by pressing sawdust, rice hull or the mixture of the sawdust and the rice hull mechanically. The method comprises the steps of smashing the sawdust into powder with the particle size of less than or equal to 1.5 mm, and smashing the rice hull into powder with a particle size of less than or equal to 7 mm; feeding the sawdust, the rice hull and the mixture of the saw dust and the rice hull to a drying chamber for heating and drying, wherein the drying temperature is between 20 and 80 DEG C; and feeding the dried materials to circular mould pressing equipment for cold press moulding and thus obtaining the biomass energy particles. The invention has the advantages that: the material formula is reasonable; the technical performance is high; the energy consumption and production cost are low and reduced by 20 percent compared with those of the conventional biomass particle fuel and the preparation method thereof; and the biomass particles do not contain any chemical agent, and the product avoids causing environmental pollution during production and use.

Description

Technical field [0001] The invention relates to a biomass energy particle and a preparation method thereof, in particular to a biomass energy particle that can use renewable sawdust, rice hulls or their mixture as raw materials. Background technique [0002] At present, the three major energy sources used worldwide are oil, natural gas and coal, all of which are non-renewable energy sources, and face the dilemma of exhaustion as demand and exploitation increase. The shortage of conventional energy supply has seriously affected the rapid development of society and economy, and the large-scale concentrated use of fossil energy releases a large amount of carbon, sulfur, nitrogen oxides and other substances, resulting in aggravated environmental pollution, global warming, and survival of mankind. The environment has caused serious harm. To this end, my country promulgated the "Renewable Energy Law" in January 2006 to encourage the development of the renewable energy industry and tec...

Claims

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Application Information

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IPC IPC(8): C10L5/44
CPCY02E50/30Y02E50/10
Inventor 王鹤鹏姚荣生姚小彧曾光
Owner 辽宁省林产工业总公司
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