US286286A - Fuenaoe - Google Patents

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US286286A
US286286A US286286DA US286286A US 286286 A US286286 A US 286286A US 286286D A US286286D A US 286286DA US 286286 A US286286 A US 286286A
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air
furnace
steam
fire
box
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERALĀ ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L7/00Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
    • F23L7/002Supplying water
    • F23L7/005Evaporated water; Steam

Definitions

  • This invention relates to steam-boiler fur I5 naces; and the object of the invention is to provide means for more perfectly causing the combustion of the fuel and of the gases evolved or generated from such fuel under the influence of heat, so that all combustible matter of the 20 fuel shall be utilized and turned to account for heating purposes, and so that no smoke or sooty matter shall escape from the furnace, whereby fuel is economizcd and the smoke nuisauce is avoided.
  • Another object is to provide means forkeeping the hollow-iron doorfran1es sufficiently cool to prevent them from warping and twisting out of shape by reason of the heat of the furnace, and at the same time heat the air en tirely therethrough.
  • I construct air-heating passages orflues in theside walls and bridge-wall of the furnace, and place a steam-superheatingcoil of pipe in a space of the bridgewall, and connect with such coil branch pipes having injecting-nozzles projecting through ports or openings, which: lead from the hot-air fines in the fire-box and the eombustionchamber of the furnace; and, fur- 40 their, I provide a hollow door-frame having perforations in its outer and inner walls for the passage of air, and having large openings forming communications between its interior channel and the fines in the furnace-walls,
  • FIG. 1 represents an end elevation of the furnace, partially in section, for showing the 5 hollow door-frame containing the steam-pipe.
  • FIG. 2 represents a longitudinal vertical section of the furnace with the boiler in'position.
  • ig. 3 represents a perspective view of the hollow perforated frame.
  • Fig. 4 represents a 7O horizontal section through the furnace on a plane above the grate-bars, as indicated by lines it m, Fig. 1.
  • Fig. 5 represents avertical crossseetion through the bridge-wall of the furnace and through the boilers.
  • Fig. 6 is a detail view of the bridge-wall in front elevation, showing the passages through it.
  • the walls of the furnace A are preferably built of brick, and the boilers are se it furnace in the usual or any desired manner. 5
  • Each of the sidewalls of the furnace is constructed with a flue or channel, B B, opening at the rear end, and extending to the front end thereof on a line slightly above the grate-bars, where they connect by openings 6 with the 8 channel in the door-frame, and at the front end, adjacent to the fire-box, the ports or tuyeres b I) open from the fines into the fire-box, for admitting hot air into the body of the fuel, and these ports, although placed in the opposite 9O walls of the fire-box, are not placed in a transverse line each opposite the other, but so that they will break joints or alternate with each otherthat is, so that those in one wall will point to the spaces between those in the 9 5 opposite wall-whereby the fuel is more uniformly and evenly supplied with air.
  • the bridge-wall D is made thick, and provided with two channels or spaces, the front one, (I, opening into the side flue, B, and containing the coil of steam-pipe O, and the rear one, f, opening into the side flue, B, and containing the branch steam pipe 0, having injecting-nozzles a a, projecting into the ports or openings 6, which open from air-channel f into the combustion-chamber H, below the boiler.
  • the branch steam-pipe extends throughfiue B along the side of the fire-box, and is there pro- Vided with j et-nozzles a a, projecting into the air-ports b b.
  • the branch 9 of the steam-coil '0 extends through flue B along the side of the firebox, and is there provided with the jetnozzles a a, projecting into the air-ports b b, leading into the fire-box.
  • the continuation of steam-pipe 9 extends into and through the upper portion of hollow doorframe F, and it v is intended that this steam-pipe shall extend to an adjoining furnace and through its doorframe, and thus on through anumber of frames where a battery of boilers is built.
  • the frame F is made of metal, and preferably of Wrought or cast iron,with an interior channel, and the outer and inner walls thereof are perforated for the passage of air to the fire-box.
  • J et-nozzles z 6 project from steam-pipe 9 through openings in the inner wall of the frame, for the injection of steam and air above the bed of fuel in the fire-box.
  • from the ash-pit into the air-chamber cl in the bridge-wall, and an opening, 0, leads from the fire-box into air-chamber f of the bridge-wall, the former for admitting air and the latter for permitting the passage of hot gases into com.
  • - bustion-chamber H without impinging upon the bottom of the boiler just above the bridgewall, where the whole volume of gases,if passed, would injure the boiler.
  • the ports I) .and b and the jet-nozzles (t and a are arranged, re-
  • a steam-boiler or other furnace for causing complete combustion of the fuel and the gases evolved therefrom provided with the side air-heating flues, the ports or tuyeres leading from the air-fines into the fire-box and into the non-combustion chamber, and the steampipe laid in the flues, said tubes being at dif ferent levels, and having jet-nozzles opening into the ports for injecting hot air into the firebox and mixed air and gases into the non-combustion chamber.
  • a steam-boiler or other furnace having the air-heating flues in its walls, in combination with the hollow door-frame, having a steam-pipe provided with nozzles or openings, and openings forming a communication between its interior channel and the flues, as and for the purpose described.

Description

(No Model.) 2 SheetsSheet 1.
G. FARR.
GAS GONSUMING FURNACE. No. 286,286, Patented Oct. 9, 1883..
(NoModeL) 2 Sheets-Sheet 2. G. FARR;
GAS CONSUMING FURNACE. No. 286,286,. Patented Oct. 9', 1883.
chosen FARR, or oinornnarri, OHIO RUSSELL wnrrrnnon PLACE.
PA ENT Fries.
, ASSIGNOR on ONE-HALF TO Janus E AND HYRON SPIOKERMAN, BOTH OF SAME GAS-CONSUMlNG FURNACE.
SPECIFICATION forming part of Letters Ii -Patent No.'286,286, dated October 9, 18 83.
Application filed August 9,1883. V (No model.)
T aZZ whom, it may concern:
Be it known that I, GEoReE FAR-R, of Gincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Gas-Consuming Furnaces;
and I do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use IO the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form part of this specification.
This invention relates to steam-boiler fur I5 naces; and the object of the invention is to provide means for more perfectly causing the combustion of the fuel and of the gases evolved or generated from such fuel under the influence of heat, so that all combustible matter of the 20 fuel shall be utilized and turned to account for heating purposes, and so that no smoke or sooty matter shall escape from the furnace, whereby fuel is economizcd and the smoke nuisauce is avoided.
Another object is to provide means forkeeping the hollow-iron doorfran1es sufficiently cool to prevent them from warping and twisting out of shape by reason of the heat of the furnace, and at the same time heat the air en tirely therethrough.
Incarrying out my invention I construct air-heating passages orflues in theside walls and bridge-wall of the furnace, and place a steam-superheatingcoil of pipe in a space of the bridgewall, and connect with such coil branch pipes having injecting-nozzles projecting through ports or openings, which: lead from the hot-air fines in the fire-box and the eombustionchamber of the furnace; and, fur- 40 their, I provide a hollow door-frame having perforations in its outer and inner walls for the passage of air, and having large openings forming communications between its interior channel and the fines in the furnace-walls,
and I pass through the channel of the frame a steam-pipe having nozzles projecting through openings in the inner wall of the frameffor drawing air from the outside and from the fluesand forcing it into the fire-box, whereby the frame is kept comparatively cool and air is supplied above the fuel for causing partial combustion of the gases in the fire-box. The superheated steam passed through the injecting-nozzles is partially or wholly decomposed in cont-act with the hot carbonaceous gases in the fire-box, and the resulting carbonic oxide and hydr e gases yield a high heat upon combustion in the combustionchamber. The matter constituting my particular in- YenbiOn herein will be pointed outin the claims.
y invention is illustrated by the accompanying drawings, forming part of this specification, in which- Figure 1 represents an end elevation of the furnace, partially in section, for showing the 5 hollow door-frame containing the steam-pipe. Fig. 2 represents a longitudinal vertical section of the furnace with the boiler in'position. ig. 3 represents a perspective view of the hollow perforated frame. Fig. 4 representsa 7O horizontal section through the furnace on a plane above the grate-bars, as indicated by lines it m, Fig. 1. Fig. 5 represents avertical crossseetion through the bridge-wall of the furnace and through the boilers. Fig. 6 is a detail view of the bridge-wall in front elevation, showing the passages through it.
The walls of the furnace A are preferably built of brick, and the boilers are se it furnace in the usual or any desired manner. 5
Each of the sidewalls of the furnace is constructed with a flue or channel, B B, opening at the rear end, and extending to the front end thereof on a line slightly above the grate-bars, where they connect by openings 6 with the 8 channel in the door-frame, and at the front end, adjacent to the fire-box, the ports or tuyeres b I) open from the fines into the fire-box, for admitting hot air into the body of the fuel, and these ports, although placed in the opposite 9O walls of the fire-box, are not placed in a transverse line each opposite the other, but so that they will break joints or alternate with each otherthat is, so that those in one wall will point to the spaces between those in the 9 5 opposite wall-whereby the fuel is more uniformly and evenly supplied with air. The bridge-wall D is made thick, and provided with two channels or spaces, the front one, (I, opening into the side flue, B, and containing the coil of steam-pipe O, and the rear one, f, opening into the side flue, B, and containing the branch steam pipe 0, having injecting-nozzles a a, projecting into the ports or openings 6, which open from air-channel f into the combustion-chamber H, below the boiler. The branch steam-pipe extends throughfiue B along the side of the fire-box, and is there pro- Vided with j et-nozzles a a, projecting into the air-ports b b. The branch 9 of the steam-coil '0 extends through flue B along the side of the firebox, and is there provided with the jetnozzles a a, projecting into the air-ports b b, leading into the fire-box. The continuation of steam-pipe 9 extends into and through the upper portion of hollow doorframe F, and it v is intended that this steam-pipe shall extend to an adjoining furnace and through its doorframe, and thus on through anumber of frames where a battery of boilers is built. The frame F is made of metal, and preferably of Wrought or cast iron,with an interior channel, and the outer and inner walls thereof are perforated for the passage of air to the fire-box. J et-nozzles z 6 project from steam-pipe 9 through openings in the inner wall of the frame, for the injection of steam and air above the bed of fuel in the fire-box. from the ash-pit into the air-chamber cl in the bridge-wall, and an opening, 0, leads from the fire-box into air-chamber f of the bridge-wall, the former for admitting air and the latter for permitting the passage of hot gases into com.- bustion-chamber H without impinging upon the bottom of the boiler just above the bridgewall, where the whole volume of gases,if passed, would injure the boiler. The ports I) .and b and the jet-nozzles (t and a are arranged, re-
An opening, at, leads spectively, on different planes o'r levels on the opposite sides of the fire-box, in order to more uniformly and completely supply air to the fuel.
Having described my invention, what I claim, and desire to secure by Letters Patent,
1s- 1. A steam-boiler or other furnace for causing complete combustion of the fuel and the gases evolved therefrom, provided with the side air-heating flues, the ports or tuyeres leading from the air-fines into the fire-box and into the non-combustion chamber, and the steampipe laid in the flues, said tubes being at dif ferent levels, and having jet-nozzles opening into the ports for injecting hot air into the firebox and mixed air and gases into the non-combustion chamber.
2. A steam-boiler or other furnace having the air-heating flues in its walls, in combination with the hollow door-frame, having a steam-pipe provided with nozzles or openings, and openings forming a communication between its interior channel and the flues, as and for the purpose described.
3. The furnace having the air-heating fines in its walls connecting by ports with the fire-
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