. The Street railway journal . ills the claims of efficiency and capacity made for it. were of eight hours duration and all results are averagesof the entire period of each test. The tables Nos. i to 5 give data of output and economy,of conditions, analysis of coal, gas and refuse, of tem-peratures throughout the boiler and of utilization of heatsupplied, as shown in the heat balance. From these data -Table No 3. Coal,Refuse and Gas. Coa/ /1/7a/ys/-5. /?efus£: IP 1 k X 1^ <^fj Cj 24 25 26 27 28 29 30 31 32 33 34 200 72 14484 295 10 2 109 79 0 2 40 19 6 706 58 14537 21 0 73 12 1 685 0 3
. The Street railway journal . ills the claims of efficiency and capacity made for it. were of eight hours duration and all results are averagesof the entire period of each test. The tables Nos. i to 5 give data of output and economy,of conditions, analysis of coal, gas and refuse, of tem-peratures throughout the boiler and of utilization of heatsupplied, as shown in the heat balance. From these data -Table No 3. Coal,Refuse and Gas. Coa/ /1/7a/ys/-5. /?efus£: IP 1 k X 1^ <^fj Cj 24 25 26 27 28 29 30 31 32 33 34 200 72 14484 295 10 2 109 79 0 2 40 19 6 706 58 14537 21 0 73 12 1 685 0 3 28 19 4 71 4 64 14516 128 73 133 59 0 4 199 85 14360 147 10 0 12 2 75 0 5 22 1(3 8 71 6 74 14291 149 87 130 6 2 0 6 2& 165 71 9 66 14329 21 4 66 127 6 5 0 7 2 9 19 1 72 0 60 14820 98 67 135 58 0 8 30 20 8 690 72 14480 25 4 97 129 6 1 0 9 3 5 198 69 6 6 9 14329 27 9 96 135 47 0 10 3 0 19 9 71 1 6 0 14702 17 7 7 3 162 1 4 5 11 20 8 68 1 7 2 14360 32 2 106 14 1 4 4 0 12 3 2 19 9 70 7 6 2 14858 64 165 1 3 2. 900 lOOO //OO FIG. 1 The steam generator on which these tests were run is astandard water-tube boiler containing 6386 sq. ft. of heat-ing surface and a self-contained superheater of 760 of surface. There is no special furnace construction, three curve sheets were prepared, two of which are re-produced as Figs. I and 2. Fig. 2 shows very forcibly the necessity for properrelation between grate area, combustion space and heating lABLE No. 4-. -Tasle — Heat Balance. Tei-iperature of the B TU per LJp. Comlias f/^/e /3(jr/pe£/ Optica/Pyr Efectncat Pyrometet:^. iP -SiNJ 1 II\^ 1 It ll^ ,^ If J ^ ll % (13 1 s ^ kj V 1$ ^ e V, a \ \\ \ 1^ ll i 34 35 36 37 38 39 40 41 42 43 44 45 46 47 46 49 50 51 52 53 54 55 56 57 1 15620 11026 354 11380 48 1916 544 2276 15572 73 1 967 706 729 31 123 35 146 1 633 615 519 485 428 418 15470 11063 367 11430 53 1723 270 2264 15417 742 983 34 11 1 17 146 2 852 632 524 490 441 3 15540
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
