ADVANCED ABSORPTION CHILLERS UTILIZATION OF VARIOUS HEAT ENERGIES FOR AIRCONDITIONING parti 2

ADVANCED ABSORPTION CHILLERS
UTILIZATION OF VARIOUS HEAT ENERGIES FOR AIRCONDITIONING

parti 2

Renewable Energy Utilization Cooling System

5. For Utilization Renewable Energy:

5.1 Solar Thermal Energy:

In July 1974, Yazaki Experimental Solar House was completed, realizing a solar energy system earlier than any other project in the world. The success of development solar energy system is based on Hot-water Fired Chiller (WFC) technology. The WFC series has been installed 3,851 projects in Japanese market.
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CH-KE System with MGT

Yazaki Experimental Solar House

Utilizing Renewable Energy

5. 2 Biomass Energy – Wood Pellet:

Fig 8 indicates the Pellet Fired Absorption Chiller, which is energized by wood pellets. The Wood pellet Fired Absorption Chiller-Heater is under development and it will launch to Japanese market in 2007.

System of Pellet Fired Absorption Chiller-Heater

Using wood pellet as fuel is considered as “Carbon-neutral”. Since tree planted to replace the wood burned as fuel can absorb carbon dioxide, this resource has attracted interest as a carbon-neutral fuel, that is, one which does not increase the amount of carbon dioxide in the atmosphere. The model business, which is indicated Fig 9, in local recycling of wood biomass involves collecting thinned wood from forestry maintenance operations, wood cut-off from sawmills, and other remnant material and recycling them into pellets for local use as fuel. By doing so, the scheme aims to promote the principle of local production for local consumption in timber and energy supply through efficient use of forestry resources. The Yazaki Group is working in the framework of publicprivate partnership with the aim is to stimulate the forestry industry and at same time to maintain and preserve forests and reduce atmospheric carbon dioxide.

Wood Biomass Local Recycling System

Fig 10 is one of “Renewable Energy Utilization Cooling System” which is consisted by solar cooling system and wood pellet cooling system. During daytime, if sunlight is enough to sufficient cooling requirement, solar cooling suffices cooling requirement without wood pellet absorption chiller operation. If there is less sunlight, the wood pellet can cover insufficient cooling capacity of solar cooling during morning and evening time or cloudy day.
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Renewable Energy Utilization Cooling System

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