Abstract
This paper presents the results of an analysis of ash content particles produced in biomass combustion at an experimental device. The main parts of the device are: the water heater, the gasifying chamber, the air preheater, and the fuel feeder. This device can be modified for combustion in an oxygen-enriched atmosphere. Sawdust and wood chips were used as fuel, and were laid loosely into the device. Ash specimens were extracted from various parts of the device. For the measurements themselves, we used the Analysette 22 MicroTec Plus universal laser diffraction device manufactured by the Fritch Company, in the size range from 0.08 μm to 2000 μm. The device utilizes laser diffraction for particle size analysis.
Highlights
It is essential to know the size of particles in many fields of industry and science, e.g. material science, medicine, biology, and the power industry
For any other shape of a particle, the size parameter is its length, which must be defined according to the measurement method that is used
This paper has presented a detailed analysis of ash specimens extracted from biomass combustion
Summary
It is essential to know the size of particles in many fields of industry and science, e.g. material science, medicine, biology, and the power industry. For any other shape of a particle, the size parameter is its length, which must be defined according to the measurement method that is used. Laser diffraction [3] is currently the most widelyused method for particle size measurements. The physical principle that is utilized has been known since the beginning of the 20th century, but this method was developed only after the invention of suitable laser devices and computers. Nowadays this method is replacing other particle size measurement methods, due to its flexibility and readiness
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