Public works . dinal section shows the charging door through which the material was dropped onto the drying hearth,through which the liquid escaped and was dischargedunder the grate. The stoking door at the side was usedfor working the dried material down onto the grate. Ontheir way to the chimney, the hot gases were used toheat the air in an economizer, which air was conductedthrough hot-air ducts to the ash pit under the firinggrate. In order to furnish forced draft when necessarya blower was provided, driven by a 7>-2 motor. Thedraft was controlled by two dampers provided with coun-
Public works . dinal section shows the charging door through which the material was dropped onto the drying hearth,through which the liquid escaped and was dischargedunder the grate. The stoking door at the side was usedfor working the dried material down onto the grate. Ontheir way to the chimney, the hot gases were used toheat the air in an economizer, which air was conductedthrough hot-air ducts to the ash pit under the firinggrate. In order to furnish forced draft when necessarya blower was provided, driven by a 7>-2 motor. Thedraft was controlled by two dampers provided with coun-terweights, one on each side of the economizer the economizer chamber and the grate chamberwas a combustion chamber 4J^ feet long and the fullwidth of the unit. (This 20-ton incinerator consisted oftwo units.) The total length of the double unit wasabout 40 feet in the clear, and the width 17 feet 6 the firing-room floor to the charging floor abovethe incinerator was 9 feet 6 7H Genl Electric or «quAl DESIGN OF TWENTY-TON INCINER.\TOR FOR CANTONMENTS. 122 MUNICIPAL JOURNAL AND PUBLIC WORKS Vol. XLVII, No. 8 The chimney was of brick, 7 feet 1 inch square on theoutside and 4 feet 6 inches on the inside; the outsideheing built of 9 inches of red brick, the inside being linedwith 4J/2 inches of fire brick, and there being a 2-inchair space between the two. The bin for fuel and combustible refuse used in theincinerator was between the incinerator building and the railroad siding, the top of the bin being about fourfeet above the level of the railroad track and the bottomabout four and a half feet below such level, the latterbeing also the level of the firing floor. The incineratorwas enclosed within concrete walls and covered with acorrugated iron roof supported by steel trusses and pro-vided with a ventilator. WATER RATES AND FIRE PROTECTION CHARGES Data from Several Hundred Cities of the United States—Maximum and Minimum Rates—Ch
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
