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57
CAMBRIDGE.
The Destructors visited in Cambridge is one of the most recent ??? in England,
having only been work nice months, and the first of its types it consists of 6 cells know as
“Bodies Patent,” fitted with Boulnosi & Bodie's Mechanical Charging Apparatus.The
cells are arranged pairs,s combination of the Fryer and Horsfall types. as the materials to be
burnt is introdused at the back, with the outlets of gasses in the side near the front; between
each pair of cells placed a ???H.P. Babcock & ??? builer, the cells upon either side
discharging their produceds of combastion under the boiler tabes immdiately above the level of,
the fire-???, these latter being ;left in the boiler, together with the fire-doors, in the same
manner as if the boilert were crected with the accompaniment of Destructors cellls.
Each cell is arranged with double flues, one leading to the boiler, and direct into the
main flue, the temperature of the gases entering the boiler 1,800* F., reduced to 550* F.
in their passage through the same
Only four cells were working at the time of our visit, each cell burning from 5to 7½
??? per day; the steam generated from the two boiler being sufficient to drive the 80-H.P.
engine which was pumping the sewage of Cambridge, amount to 1½ million gallons per day
under a head of 55 feet, abd for the engine to drive the fan the air blast which was inserted
at the back of the bars.
The small quantity at present per is owing to the scarcity of refuse, but upon
a 24-hour trial it was found possible to burn one ton refuse per hour per cell, and to generate
sufficient steam with one boiler to the pumping engines at work.
The work is continued night and day, and to raise the necessary steam to work the
pumping engine on Saturdays when no refuse is obtainable, one boiler is fired in the ordinary way
from 12 noon on Saturday to mindnight Sunday, about 50 cwts, of coal being used.
Mechanical rocking bars are fitted to the furnaces, but were not use at the time of our
visit; the ??? is closed, and below, the fire is a closed box into which the clinker d rops and
cools before it is drawn.
The whole of the are very ??? in charcter; the shaft is 175 feet high,
??? with square ??? lined with fire bricks for a height of 50 feet, and is 6-ft. 6-in,
??? diameter at the tops. The total cost of the works appertaining to the Dust ???
is £7,600.
The cost of bearning was not gives, but the men work two shift of 12 hours, three
men to cost shift: one ??? 25s. per week and home value 2s.,6d.,per
week and value 2s. 6d.