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Incinerating mixed refuse in multi-stage plant - centered on partitioned hot sand bed fluidised by low-oxygen gas mixt.
Incinerating mixed refuse in multi-stage plant - centered on partitioned hot sand bed fluidised by low-oxygen gas mixt.
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机译:在多级工厂中焚化混合垃圾-以低氧混合气流化的分区热沙床为中心。
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摘要
Waste materials of many types, e.g. plastic, old tyres, wooden and cardboard crates are reduced to pieces about 30-50 mm size, esp. by rotary wheels and then stored, possibly with waste paint and sewage sludge, before delivery to a fluidised bed furnace. The bed is fine-grained sand, maintained at about 500-700 deg. C by low-oxygen hot gas. Suitable gases include fumes collected from the combustion stage and mixed with combustion gases from a separate burner, or with the exhaust gases of an IC engine. The furnace is divided by a vertical partition into two sections, pref. operated at different temps., but with sand circulating between the sections via an overflow or through a base connector. ADVANTAGE - Plant with low atmos. emission has high and economical refuse incineration capacity, and can be installed in small area remote from source of refuse.
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