US293654A - Peeey x johnson - Google Patents
Peeey x johnson Download PDFInfo
- Publication number
- US293654A US293654A US293654DA US293654A US 293654 A US293654 A US 293654A US 293654D A US293654D A US 293654DA US 293654 A US293654 A US 293654A
- Authority
- US
- United States
- Prior art keywords
- boiler
- pier
- furnace
- chamber
- gate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B1/00—Combustion apparatus using only lump fuel
- F23B1/02—Combustion apparatus using only lump fuel for indirect heating of a medium in a vessel, e.g. for boiling water
- F23B1/04—External furnaces, i.e. with furnace in front of the vessel
- F23B1/06—External furnaces, i.e. with furnace in front of the vessel for heating water-tube boilers, e.g. Tenbrink flue furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2201/00—Pretreatment of solid fuel
- F23K2201/30—Separating
Definitions
- My invention relates to those furnaces in which a shutter is located in advance of the combustion-chamber, and has for its object a construction of steam-boiler furnace adapted to secure complete combustion of the fuel, and to permit the use of divers kinds of fuel in one and the same furnace without the production of unconverted smoke.
- Figure l is a longitudinal section
- Fig. 2 atransverse section of a single boiler-furnace provided with my improvement
- Fig. 3 is a transverse section, showing its application to a doubleboiler furnace.
- Fig. 4 is a perspective View, showing my gate and its operating-lever as used with a two-boiler furnace.
- A may represent a common horizontal boilcr with a return-flue; B, its fire-chamber; O, fire-grate, whose rear edge is supported on a pier, D, that rises very little or not atall above the grate-floor, and which constitute the rear wall of the ash-pit.
- a reverberatory chamber, E In rear of pier D, and extending under the boiler for its whole remaining length, is a reverberatory chamber, E, whose floor shelves away from said piertop to the foot of the pier F, that supports the rear end of the boiler.
- the portion of the top of the pier F not employed in supporting the boiler is concaved out, so as to afford a crescent-shaped throat, G.
- a pit, f, in the concave top of the pier F receives and permits vertical play of a gate or shutter, H, whose top h is concaved, to fit the lower part of the boiler, and which is guided to a vertical path by the pit sides or other means.
- a lever, J whose short arm extends underneath the gate H has its longer arm extending to a point outside the furnace convenient to the operator, a rack, K, being provided to hold the lever to any place of adjustment, Through the thus restricted throat G the gaseous non-combustibles escape into I claim as new and of my invention 1.
- the combination In a steam-boiler furnace, the combination, with 'a boiler, of a grate whose rear end is level with its supporting-pier, a graduallyshelving combustion-chamber, which extends underneath the boiler itsentire length in rear of said pier, a pier at the rear end to close the said combustion-chamber at bottom, formed with a vertical opening, and having its top concaved out to conform to the shape of the lower part of the boiler to form a narrow throat, and a gate or shutter to slide in said opening to regulate the width of or to close the throat, as set forth.
Description
(No Model.)
P. JOHNSON; s rmm BOILER. FURNACE.
Patented Feb. 19, 1884.-
Fig.1.
Irv/ n t or UNITED STATES PATENT OFFICE.
AUGUSTUS G. BOFINGER AND LEWIS G.
PLACE.
HOPKINS, BOTH OE SAME STEAM-BO'I LER FURNACE.
SPECIFICATION forming part of Letters IlEatent No. 293,654, dated February 19, 1884.
Application filed December 31, 1883. (No model.)
To ctZZ whom it may concern:
Be it known that I, PERRY J oHNsoN, of Cincinnati, Hamilton county, Ohio, have invented a new and useful Improvement in Steam-Boiler Furnaces, of which the following is a specification.
My invention relates to those furnaces in which a shutter is located in advance of the combustion-chamber, and has for its object a construction of steam-boiler furnace adapted to secure complete combustion of the fuel, and to permit the use of divers kinds of fuel in one and the same furnace without the production of unconverted smoke. I WVith this object in View I dispense with the customary bridgewall, and I provide back of thefire-place a pit or reverbratory chamber, within which the unconsumed carbon and gases circulate and are consumed, and within which also the non combustible solid matters are precipitated, the non-combustible gases escaping into the fines from the rear upper part of said chamber through a narrow throat capable of being opened to a greater or less extent, or completely closed by means of avertically-sliding gate or shutter under control of the person in charge.
In the accompanying drawings, Figure l is a longitudinal section, and- Fig. 2 atransverse section of a single boiler-furnace provided with my improvement. Fig. 3 is a transverse section, showing its application to a doubleboiler furnace. Fig. 4 is a perspective View, showing my gate and its operating-lever as used with a two-boiler furnace.
A may represent a common horizontal boilcr with a return-flue; B, its fire-chamber; O, fire-grate, whose rear edge is supported on a pier, D, that rises very little or not atall above the grate-floor, and which constitute the rear wall of the ash-pit.
In rear of pier D, and extending under the boiler for its whole remaining length, is a reverberatory chamber, E, whose floor shelves away from said piertop to the foot of the pier F, that supports the rear end of the boiler. The portion of the top of the pier F not employed in supporting the boiler is concaved out, so as to afford a crescent-shaped throat, G. A pit, f, in the concave top of the pier F receives and permits vertical play of a gate or shutter, H, whose top h is concaved, to fit the lower part of the boiler, and which is guided to a vertical path by the pit sides or other means. A lever, J, whose short arm extends underneath the gate H has its longer arm extending to a point outside the furnace convenient to the operator, a rack, K, being provided to hold the lever to any place of adjustment, Through the thus restricted throat G the gaseous non-combustibles escape into I claim as new and of my invention 1. In a steam-boiler furnace, the combination, with 'a boiler, of a grate whose rear end is level with its supporting-pier, a graduallyshelving combustion-chamber, which extends underneath the boiler itsentire length in rear of said pier, a pier at the rear end to close the said combustion-chamber at bottom, formed with a vertical opening, and having its top concaved out to conform to the shape of the lower part of the boiler to form a narrow throat, and a gate or shutter to slide in said opening to regulate the width of or to close the throat, as set forth.
2. In a steam-boiler furnace, the combination,with boilers, of a grate whose rear end 1s level with its supporting-pier, a graduallyshelving combustion-chamber, which extends underneath the boilers their entire length in rear of said pier, a-pier atthe rear end to close the said combustion-chamber atbottom, formed with a vertical opening, and having its top concaved out to conform to the shape of the lower part of the boiler to form a narrow throat, and a gate or shutter to slide in said opening to regulate the width of or to close I having a vertical opening and top eonform- In testimony of which invention I hereunto 1o ing in shape to the lower portion of the boiler set my hand. to form a narrow throat, a gate or shutter of his similar shape at top as the top of the pier to PERRY JOHNSON, 5 slide vertically in the opening, a lever whose mark.
short arm lifts and lowers the gate or shut- Attest: ter, and means to hold the long arm of the le- GEO. H, KNIGHT, "ver to its adjustment to regulate the width of F. R. MCCORMICK.
or close the throat, as set forth.
Publications (1)
Publication Number | Publication Date |
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US293654A true US293654A (en) | 1884-02-19 |
Family
ID=2362841
Family Applications (1)
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US293654D Expired - Lifetime US293654A (en) | Peeey x johnson |
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