Specification of James Wills Wayte : self-feeding furnaces.

  • Wayte, James Wills.
Date:
1854
Catalogue details

Licence: Public Domain Mark

Credit: Specification of James Wills Wayte : self-feeding furnaces. Source: Wellcome Collection.

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    Waytes Improvements in Self-feeding Furnaces, Sfc. the other set, namely, the 2nd, 4th, 6th, and 8th. The carriages C1 are attached in front to a cross bar D1, but the two outermost of the set have prolongations of a crutch form, as shewn at b, in Figure 3a, which rests on two excentries F1, F1, attached to a revolving shaft E2. The other carriages C2, are attached 5 in front to a second cross bar D2, which is placed higher than D1, and a little in advance of it, and the two outermost of this series have also prolongations (c, c,) somewhat similar to b, b, (see Figure 4a,) which rest on two other excentrics F2, F2, attached to the same shaft E2. Between each of the front uprights a, and the end of the carriage there is a stud h, through which a 10 cross pin i is passed, for a purpose to be herein-after explained. The carriages of both sets rest at the back and on revolving friction pullies h\ h\ which are attached to a fixed shaft G, placed at a lower level than the shaft E2, so that the carriages and fire-bars may have a slight inclination from front to back. H, H, are a series of vertical feeding bars equal in number to the carriages 15 C1, C2, which are placed in front of the horizontal fire bars B, B, and at right angles with them, and are also connected with and acted on by the carriages C1, C2, in manner to be presently explained. A side view of one of these feeding bars is given separately in Figure 5a, a front view of it in Figure 5b, and a back view of it in Figure 5C. The bar it will be seen is hollow and 20 formed of two side pieces d, d, a solid top piece e, and a front piece f per¬ forated with air holes g, g, which last piece however extends but a short way down, leaving the two side pieces separated throughout the rest of their length like the two prongs of a fork. Each bar rests by its front piece/ on one of the carriages (sitting astride of it, as it were) in the space between the front 25 upright a and the -stud h, (see Figure 3a and Figure 4a,) and is connected at bottom by the two side pieces d, d, to a cross shaft X, which passes underneath the furnace, and on which it is free to turn to the extent permitted by the carriage projections a and h. I is a cog wheel keyed on one end of the shaft E2; and K an endless screw which gives motion to I, and is itself driven by 30 any convenient first mover. L is the hopper, and o, a sliding bottom, which is actuated by a crank P, (see Figure 3,) which is driven by a cog wheel Q, which derives its motion from the endless screw K, and r is the dead plate. The back of the hopper turns on hinges at &, so that it may be thrown up occasionally into the position indicated by the dotted lines, in order to admit 35 of the coals being thrown in by hand. M is a water cistern, which is inter¬ posed between the hopper and the fire to prevent the fresh fuel in the former from becoming ignited, and swings on hollow journals m, m, through one of which cold water is kept constantly flowing from some convenient source, and through the other, the water after being partially heated, is as constantly