US192092A - Improvement in heating-furnaces - Google Patents

Improvement in heating-furnaces Download PDF

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Publication number
US192092A
US192092A US192092DA US192092A US 192092 A US192092 A US 192092A US 192092D A US192092D A US 192092DA US 192092 A US192092 A US 192092A
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Prior art keywords
boiler
heating
furnaces
improvement
air
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H6/00Combined water and air heaters

Definitions

  • My invention is designed to economize the heat where a boiler is used for heating water or making steam, to burn the fuel advantageously, and save a large per cent. of heat.
  • FIG. l in the accompanying drawings shows a perspective view of a boiler and furnace embodying my invention, a part of one side being removed, showing the inside; Fig. 2 showing a cross-section near the back part of the fire-box.
  • A is the boiler, supported by the Walls K, which I continue a little higher than the boiler, and on them lay the plate B, with a middle support on the boiler, making two fines, F F, over the boiler.
  • O is the hot-air chamber over theplate B, and its sides continued down around the walls K with a space, 1 I,
  • H is the usual bridge-Wall back of the grate, and-G G two arches'therein, presenting a bridge or arch between the boiler and the flame. This being heated to a white heat assists the perfect burning of the smoke and combustible gases, which in the common form of construction, without these bridges,
  • the heating-chamber 0 having the space I I surrounding the walls K and a metal plate,
  • the arches G Grover the openings in the wall H, in combination with the chambers on each side of the wall H and boiler A above the opening, whereby the flame after contact with the boiler is depressed, and, passing under the arches, comes again in contact with it, with an eddy or curling motion, mingling with the air of the second chamber, as and. for the purposes set forth.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)
  • Solid-Fuel Combustion (AREA)

Description

f 2 Sheets-Shed 1. C. STEWART.
HEATING-FURNACE. No. 192,092. Patented June 19, m7.
mkag wlxl/ I 6 i N.PEIERS, FHOTO-LITHOGRAPHER, WASHINGTON. D. C.
ZSheets-SheetZ C. STEWART.
HEATING-FURNACE.
No. 192.092. v Patented J'fi-ne19,1877.
' WITNESSES; (NI/5V7;
Wm? M I hasSleu/ar W l W I N4 PETERS FHOTO-LITHOGHAPHER, WASHINGTON. D C.
UNITED STATES PATENT OFFICE.
GHARLESSTEWART, OF WORCESTER, MASSACHUSETTS.
IMPROVEMENT IN HEATING-FURNACES.
Specification forming part of Letters Patent No. 192,092, dated J une 19, 1877; application filed November 2, 1876.
To all whom it may concern:
Be it known that I, CHARLES STEWART, of the city and county of Worcester, State of Massachusetts, have invented certain new and useful Improvements in Heating- Furnaces, which are described in the following specification and drawings.
My invention is designed to economize the heat where a boiler is used for heating water or making steam, to burn the fuel advantageously, and save a large per cent. of heat.
usually wasted by radiation.
Its nature consists in combining a hot-air chamber, having an open space from it down around the furnace, and a metal bottom covering the lines over the top of the boiler; and in making a fire-proof arch in the back wall of the fire-box, the arch being molded to fit the curve of the boiler, or formed of separate fire-brick'in an arch form over the flame and between that and the boiler at the bridgewall, allowing the flame beyond to impinge against the boiler.
Figure l in the accompanying drawings shows a perspective view of a boiler and furnace embodying my invention, a part of one side being removed, showing the inside; Fig. 2 showing a cross-section near the back part of the fire-box.
The same letters indicate the same parts wherever they occur.
A is the boiler, supported by the Walls K, which I continue a little higher than the boiler, and on them lay the plate B, with a middle support on the boiler, making two fines, F F, over the boiler. O is the hot-air chamber over theplate B, and its sides continued down around the walls K with a space, 1 I,
'and entrances E E, to admit the cold air, the
heated air being taken away at D D or from the top of O. H is the usual bridge-Wall back of the grate, and-G G two arches'therein, presenting a bridge or arch between the boiler and the flame. This being heated to a white heat assists the perfect burning of the smoke and combustible gases, which in the common form of construction, without these bridges,
are allowed to impinge directly against the boiler, and'thereby become too cold to burn. When mixing with the air of the chamber,
that side of the wall H, and the eddy or curl.
formed by them, assists in the entrance and mixing of said air with the hot gases, the
flames thence passing to the back end of the boiler, then up and through the flues O to the by Letters Patent, is'
1. The heating-chamber 0, having the space I I surrounding the walls K and a metal plate,
B, between it and the flues F F, in combination with the boiler A and the flues F F over it, constructed and operating in the manner and for the purposes described.
2. The arches G Grover the openings in the wall H, in combination with the chambers on each side of the wall H and boiler A above the opening, whereby the flame after contact with the boiler is depressed, and, passing under the arches, comes again in contact with it, with an eddy or curling motion, mingling with the air of the second chamber, as and. for the purposes set forth.
Witness my hand this 21st day of October,
CHARLES STEWART. Witnesses:
JAMES BRIERLY, J. G. ARNALL.
US192092D Improvement in heating-furnaces Expired - Lifetime US192092A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070030943A1 (en) * 2005-08-08 2007-02-08 Global Nuclear Fuel - Americas, Llc Fuel spacer for a nuclear fuel bundle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070030943A1 (en) * 2005-08-08 2007-02-08 Global Nuclear Fuel - Americas, Llc Fuel spacer for a nuclear fuel bundle

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