 | 1876 - 612 pages
...be reduced — by abrasion of the flame, and dust, and slightly from chipping — from nine to two inches. The bricks conduct the heat so badly, that...white heat on the inside of the furnace, it is only jnst warm on the outside. Ordinarily, the bricks seem to be fluxed away by the dust, which circulates... | |
 | N. E. Spretson - 1878 - 622 pages
...joints between the bricks are filled with the same material. At a temperature of 2200° C., about 4280° Fahr., these bricks will last four weeks in the roof...fluxed away by the dust, which circulates with the gasea In the Siemens furnace, where there is no dust, they give out from weakness. They cannot be applied... | |
 | N. E. Spretson - 1880 - 618 pages
...joints between the bricks are filled with the same material. At a temperature of 2200° C., about 4280° Fahr., these bricks will last four weeks in the roof...temperature, which is a bright white heat on the inside Oi the furnace, it is only just warm on the outside. Ordinarily, the bricks seem to be fluxed away... | |
 | N. E. Spretson - 1892 - 636 pages
...joints between the bricks are filled with the same material. At a temperature of 22003 C., about 4280° Fahr., these bricks will last four weeks in the roof...where there is no dust, they give out from weakness. They cannot be applied to any part of the furnace where there is any wear. Their principal cause of... | |
 | John Sharp - 1900 - 846 pages
...joints between the bricks are filled with the same material. At a temperature of 2200° C. (about 4280° Fahr.), these bricks will last four weeks in the roof...Ordinarily, the bricks seem to be fluxed away by the dnst, which circulates with the gases. In the Siemens furnace, where there is no dust, they give out... | |
 | John Sharp - 1900 - 914 pages
...joints between the bricks are filled with the same material. At a temperature of 2200° C. (about 4280° Fahr.), these bricks will last four weeks in the roof...Ordinarily, the bricks seem to be fluxed away by the dnst, which circulates with the gases. In the Siemens furnace, where there is no dust, they give out... | |
 | John Sharp - 1900 - 810 pages
...joints between the bricks are filled with the same material. At a temperature of 2200° C. (about 4280° Fahr.), these bricks will last four weeks in the roof...is only just warm on the outside. Ordinarily, the bricka seem to be fluxed away by the dust, which circulates with the gases. In the Siemens furnace,... | |
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C., about 4280° Fahr., these bricks will last four weeks in the roof of an ordinary furnace, and in that time will be reduced, by abrasion of the flame, and dust, and slightly from chipping, from 9 to 2 inches. The bricks conduct the heat so badly, that... 