US317370A - Sectional steam-generator - Google Patents

Sectional steam-generator Download PDF

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US317370A
US317370A US317370DA US317370A US 317370 A US317370 A US 317370A US 317370D A US317370D A US 317370DA US 317370 A US317370 A US 317370A
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steam
sections
generator
ribs
dome
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23BMETHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B2700/00Combustion apparatus for solid fuel
    • F23B2700/01Combustion apparatus for solid fuel adapted for boilers built up from sections

Description

(No Model.)
- lT. C. JOY.
SEGTIONAL STEAM GENERATOR.
j MS ZJ ASS Fig. Z. I
N. Patins. Phowmhegmphef. wmmgwr.. D. c.
-my former patent.
UNITED STATES PATENT OEEIcE.
THADDEUS C. JOY, OF TITUSVILLE, PENNSYLVANIA.
SECTIONAL STEAM-GENERATOR.
SPECIFICATION forming part of Letters Patent No. 317,370, dated May 5, 1885.
Application tiled May 19, 1884. (No model.)
To @ZZ whom it may concern:
Be it known that I, THADDEUs C. JOY, a citizen of the United States, residing at Titusville, in the county of Crawford and State of Pennsylvania, have invented a new and useful Improvement in Sectional Steam-Genera tors, of which the following is a specification.
My invention relates to and is an improvement on the form of sectional boilers invented by me and secured by Letters Patent No. 269,582, dated December 26, 1882, my object being to change the form' of the sections, so that they shall be more simple and cheap in construction and the generator more effective in operation. I attain this in the manner illustrated in the accompanying drawings, in Which- Figure 1 is a side view of one of the interior sections, Fig. 2, a sectional view of one of my boilers composed of five sections and the two end sections or water-tanks on line m x, Fig. l; and Fig. 3, a side elevation of the boiler as set up with the outer covering or jacket removed.
Similar letters refer to similar parts.
A indicates the interior sections, B, the rear section or water-tank; O, the front section or water-tank; D, the grate; E, nre-chamber; F, steam-dome or steam-drum.
The sections A are made similar to the sections as described in my former patent and illustrated in the drawings attached to the same in Figs. 6 and 7, except in the following points: The :main body of the section is a thin water-chamber, entirely iat upon the one side. Upon the opposite side are the raised hollow ribs G, G, K, and I), which being hollow add to the heating-surface, and which, when the sections are placed together, meet with the back or flat side of the next section. The spaces between the raised ribs form the direct-dues H H and return-fines in the same `manner that they were formed by the guttered sides of the sections, as described in The central rib, K, besides strengthening the casting, divides the products of combustion, directing them to the right and left. The horizontal rib l? forms the base of the steam-dome or steam-drum, and may be more or less beveled, as desired,
.and against which the heat and flame directly impinge, but cannot pass upward, the sides of the dome being vertical and very nearly covering the entire thickness of the section and rib.
'NLM are openings for access to the lines H and I. These are closed when not in use. The rear section, B, has ribs upon the one side, similar to the interior sections, the front section being plain upon both sides. It will be seen that inA this mode of construction the sections are dat upon one side, while all the raised work is upon the other. The advantage gained is that the casting ofthe sections is simplified and made much more certain, and consequent ly more cheaply; also, by having the steanr drum raised above the fire-surface, the heat striking only the bottom, the steam on entering the pipes ismore dry, preventing priming.
The sections are shown in thedrawings as connected at the bottom on each side and at the top of the dome by the nipples L L L. Either this device may be used or the connection may be made with planed and' packed joints; also, the inner ribs, G, are shown as eX- tended above the top of the fire-chamber, that the heat may be carried more directly against the bottom of the steam dome. The plain sides of the thin water-chamber below the rib P, being directly over the tire, area very valuable heating-surface. All the ribs and firesurface being vertical, no soot or ashes collect to impair the efficiency of the boiler.
I claim as my invention- In asectional steam-generator, the sections standing vertically and constructed fiat upon the one side and having on the opposite side raised hollow projections or ribs so constructed and placed that when the generator is set up the ribs of the one section meet with the flat surface of the adjoining section, the spaces between the ribs forming the vertical direct and return dues, the entrance to the vertical fines directly overhanging the nre-chamber, substantially as shown and described.
THADDEUS C. JOY.
Witnesses:
LEwIs B. SILLIMAN, E. T. ROBERTS.
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