Langsung ke konten utama

Improving Dryer Efficiency At Wood Pellet And Wood Briquette Factories

Rotary dryer or drum dryer is a common type of dryer used in the biomass industry namely wood pellet and woodbriquette factories. The advantages of rotary dryer due to the construction is simple, easy in operation and the drying capacity is quite large. There are two important points to consider in the use of a rotary dryer dryer: 1. Heat flow pattern, single pass or triple pass drum; 2. Type of equipment for emission control, such as multiple cyclone systems or other types. Both of these will affect the dryer efficiency as well as the environmental aspects. In practice in Indonesia almost all rotary dryers use single pass with a co-current with material to be dried. Multi-cyclone with cyclone also serves as a temporary storage is also widely encountered.

Side of other efficiencies that can be improved that is on the heating media. This is because the fuel consumption for drying is costly. Currently the rotary or drum dryer drying process that operates by direct-contact between the flue gas heat with the dried material such as sawdust. The flue gas usually comes from burning wood waste as well. If the plant site contains bulk materials such as rice husks, peanut shells, palm shells, cashew shells and so on, improve efficiency with gasification technology can be done. The trick is to replace the flue gas burning furnace with gasifier or from the beginning has designed a rotary dryer with a gasifier as a heat generator. An increase of efficiency by 20% can be achieved by using the gasifier.

Heat gasifier type downdraft and work continuously will be suitable for the heat source. This is because the heat gasifier does not require a complicated syngas cleaning unit and with the downdraft type syngas will be cleaner because the resulting tar is much less than the updraft type.



Komentar

Postingan populer dari blog ini

Carbon Positive, Carbon Carbon Neutral or Negative?

Greenhouse gases from burning fossilfuels have caused the Earth's temperature to rise. Increasing the temperature of the earth or global warming causing numerous disasters due to climate change in a number of places on earth. When greenhouse gases not controlled then the result of damage to the environment of the earth will be more severe. Therefore, efforts were made to reduce greenhouse gases as the cause of environmental problems. In general, there are four common scenarios to prevent the global warming effect of CO2 in the atmosphere gradually, namely: 1.increasing the efficiency so the fossil fuel consumption decreases, 2.mix of renewable fuels with fossil fuels so that fossil fuel consumption has also decreased, 3.substitution of fossil fuels with renewable fuels 4.and the absorption of CO2 in the atmosphere so that the concentration of greenhouse gases can be reduced. Here are some basic terms related to the above problems. Based on the origin and the effect that CO2 in the atmo…

Wood Pellet, PKS and Biomass Power Plant Market in Japan

5 The Largest Wood Pellets Producers Today

References are needed to make something no less quality or even better, as well as for a wood pellet production facility. Indonesia with extensive land available,fertile and tropical climate needs to get complete and qualified reference especially on wood pellet production so that they can optimize its potency. Diversification of energy is also desperately needed by Indonesia so that it has strong resilience and energy sovereignty, especially with its current condition which has become a net importer of petroleum, even projected in the range of approximately 10 years future Indonesia's oil will be exhausted. The following description of the 5 largest wood pellet plant today can be used as a reference.
1.Enviva
Enviva was established in 2004, currently Enviva operates 7 wood pellet plants with total production of more than 3 million tons / year. Some of its wood pellet production is exported to the UK and Europe. A number of ports are used For shipment or export of wood pellet, ie po…