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The Iron Age 1882-01-12: Vol 29 Iss 2

1882 Reed Business Information US

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‘The Iron Age A Review of the Hardware, Iron and Metal Trades. Post Published every Thursday Morning by Davin Writrams, No. 83 Reade Street, New York. Volk XRIX. Be The Cowper Hot Blast Stove. (Continued.) In this issue we present to our readers the plans of the Cowper Hot Blast Stove, of which we gave a sectional elevation last week. It may here be said that a serious defect in fire-brick stoves is the glazing of the walls from overheating, this being es- pecially the case when the stoves are too small. This glazing prevents heat from being absorbed or given out, and can be overcome by increasing the surface so that the stoves can be worked at a lower temperature and yet keep the required heat of blast. Itisa choice between a mass of thick brickwork at a high heat or a large surface at a moderate heat. The first will glaze the walls and give an irregular heat, the second will not glaze and will give a more uniform heat. In cal- culating the heating surface of fire-brick stoves, only those parts of the walls that do not come into immediate contact with burn- ing gas should be taken as heating surface. Any brickwork exposed to burning gas is invariably glazed when there is perfect c…

Citation

The Iron Age 1882-01-12: Vol 29 Iss 2. Reed Business Information US. 1882.