Society of Glass Technology · [Sheffield] · leaf 579
iagrammatically in Fig. 130, the primary air for the combustion of cokein a furnace, 1, issupplied under con-trol of a valve, 4,through a chamber,4, while secondaryair is suppliedthrough a similarchamber, 5, undercontrol of a valve, 5. From the cham-bers, 4, 5, pipes, 6, 7, lead to bellfloats, 9,… … FiG. 130. FUELS, REFRACTORIES, AND FURNACES. 201 tion on the two scales. When variations occur, for example, owingto clinkering of the grate, the pointers will be deflected in oppositedirections, and the valves, 4, 5, can then be operated until thepointers indicate that balanced conditions are…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
