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but this furnace disposes of refuse without recumulation and in a perfectly healthful manner. It completely destroys by fire all organic or offensive matter; and reduces the bulk of the mass treated by 70-80%. The residual 20 to 30% consists of ashes and clinkers which, ground with good lime, make an excellent mortar or they may be used for the foundation of roadways. If needed for reclaiming waste land, there is no danger in distributing them again after years. The construction of the furnace enables it to deal with damp and even wet material and, as a rule, whatever is required beyond the furnace itself.
210 feet...
Each furnace, being kept at work day and night, can deal with about ... tons of refuse per 24 hours. Provision is also made whereby diseased meat, condemned infectious bedding, etc. can be promptly and completely destroyed by the furnace. It is usual to arrange these furnaces in groups of 4 or more together; and 2 labourers by day and 2 by night attend to a group of 6 cells.
A chimney is necessary to provide the requisite draught, and it is advisable to protect the furnaces and accessories from the weather.
A considerable part of the heat escaping from the furnaces in the hot gas resulting from combustion is commonly utilized by passing these through a multitubular steam boiler on their way to the ...