Eclipse Engineering Guide

HEAT LOSSES, HEAT STORAGE & COLD FACE
TEMPERATURES – REFRACTORY WALLS
HL Hot Face Temperature, °F
Wall HS
Construction TC 1000 1200 1400 1600 1800 2000 2200 2400
HL 550 705 862 1030 1200 1375 1570 1768
9" Hard Firebrick HS 12,500 15,400 18,400 21,500 24,700 27,950 31,200 34,500
TC 282 320 355 387 418 447 477 505
9" Hard Firebrick + HL 130 168 228 251 296 341 390 447
4 1 ⁄2" 2300° Insulating F.B. HS 22,380 27,700 33,060 38,450 43,930 49,350 55,800 61,920
TC 147 162 188 195 211 227 242 260
9" Hard Firebrick + HL 111 128 155 185 209 244 282 325
4 1 ⁄2" 2000° Insulating F.B. + HS 23,750 29,650 35,640 41,940 48,420 54,890 61,410 68,120
2" Block Insulation TC 138 144 156 169 179 193 205 218
HL 185 237 300 365 440 521 – –
4 1 ⁄2" 2000° Insulating F.B. HS 1180 1450 1750 2075 2400 2720 – –
TC 170 190 211 230 253 274 – –
HL 95 124 159 189 225 266 – –
9" 2000° Insulating F.B. HS 2260 2840 3420 4000 4620 5240 – –
TC 132 146 160 172 187 200 – –
HL 142 178 218 264 312 362 416 474
9" 2800° Insulating F.B. HS 3170 3970 4790 5630 6480 7360 8230 9160
TC 151 166 183 200 217 234 250 267
9" 2800° Insulating F.B. + HL 115 140 167 197 232 272 307 347
4 1 ⁄2" 2000° Insulating F.B. + HS 14,860 17,340 19,910 22,508 24,908 28,360 31,531 34,664
TC 142 149 161 164 183 202 215 228
9" 2800° Insulating F.B. + HL 71 91 112 134 154 184 204 230
4 1 ⁄2" 2000° Insulating F.B. + HS 10,670 14,836 19,220 23,771 27,491 31,654 35,078 38,252
2" Block Insulation TC 119 127 136 147 156 168 177 187
9" 2800° Insulating F.B. + HL 114 142 172 201 232 264 298 333
3" Block Insulation HS 7730 9765 11,760 13,810 15,880 17,973 20,084 22,209
TC 139 150 163 175 188 200 212 224
HL 575 730 897 1075 1300 1525 1775 2030
4 1 ⁄2" Dense Castable HS 5270 9520 11,310 13,060 14,820 16,120 18,300 20,030
TC 282 319 356 393 430 467 504 541
HL 315 410 500 627 694 844 947 1134
9" Dense Castable HS 13,120 16,240 19,960 23,673 26,355 29,212 32,019 35,861
TC 218 248 280 305 321 352 377 406
HL 390 490 610 730 860 1000 1155 1332
9" Plastic HS 17,825 21,735 25,640 29,610 33,345 37,125 41,040 44,415
TC 232 261 290 319 348 378 407 436
8" Ceramic Fiber – HL 27 45 64 86 114 146 178 216
Stacked Strips, 8 #/cu ft HS 850 1018 1190 1358 1528 1692 1823 2039
Density TC 95 105 115 126 138 152 165 180
10" Ceramic Fiber – HL 16 35 54 76 94 120 142 172
Stacked Strips, 8 #/cu ft HS 1054 1262 1473 1683 1895 2098 2262 2528
Density TC 92 101 110 119 129 140 151 163
12" Ceramic Fiber – HL 13 27 43 60 79 98 118 143
Stacked Strips, 8 #/cu ft HS 1265 1517 1775 2033 2276 2518 2714 3034
Density TC 91 97 104 112 121 130 140 151
9" Hard Firebrick + 3" HL 177 240 309 383 463 642 721 800
Ceramic Fiber Veneer, HS 1920 3680 5430 7178 9219 11,200 12,503 14,891
8 #/cu ft Density TC 170 191 214 235 259 305 320 341
9" 2800° Insulating F.B. + HL 102 125 151 183 227 274 325 408
3" Ceramic Fiber Veneer, HS 1150 2012 2910 3795 4576 5402 6272 7450
8 #/cu ft Density TC 134 143 153 167 183 200 217 242
9" Dense Castable + HL 170 221 273 329 381 487 559 635
3" Ceramic Fiber Veneer, HS 1910 3603 5340 7083 8899 10,576 12,136 14,149
8 #/cu ft Density TC 164 183 202 222 240 270 289 307
HL = Heat Loss, Btu/hr – sq ft HS = Heat Storage, Btu/sq ft TC = Cold Face Temperature, °F
Note:These values are typical for the materials listed and are sufficiently accurate for estimating
purposes. Values for specific brands of refractories may differ.
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