US196246A - Improvement in reverberating furnaces - Google Patents

Improvement in reverberating furnaces Download PDF

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US196246A
US196246A US196246DA US196246A US 196246 A US196246 A US 196246A US 196246D A US196246D A US 196246DA US 196246 A US196246 A US 196246A
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improvement
furnaces
reverberating
air
furnace
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D1/00Casings; Linings; Walls; Roofs
    • F27D1/02Crowns; Roofs
    • F27D1/021Suspended roofs

Description

2 Sheets-Sheet 1. J. MORRISON. Reverberating Furnace.
ETERS, O- DGRAPHER. WASHING! D C.
2 SheetsSheet 2.
7 7 8 6 u W0 d .H Nmm 0 S t Iga MHP 1 m r e J r e V 6 6 4 6 9 o N N. PETERSl PM construct a series of small horizontal fines, a,
UNITED STATES PATENT OFFICE.
JOHN MORRISON, OF PITTSBURG, PENNSYLVANIA.
IMPROVEMENT lN REVERBERATING FURNACES.
Specification forming part of Letters Patent No. 196,246, dated October 16, 1877; application filed May 9,
To all whom it may concern:
Be it-known that I, JOHN MORRISON, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented certain new and'useful Improvements in the Construction of Reverberatory Furnaces; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the accompanying drawings, which form part of this specification, in which Figure 1 is an end elevation. Fig.2 is a side elevation of the fire end. Fig. 3 is a section on line a; w of Fig.2. Fi 4 is a longitudinal section on line y y of Fig. 3. Fig. 5 is a double section on lines 2 z and w w of Fig. 4. Figs. 6 and 7 show form and arrangement of bricks.
This invention relates to metallurgic reverberatory furnaces; and consists in the novel construction, arr-.ngement, and combination of parts for the purpose of promoting the duration of the structure and the heating of air to feed the furnace, all as hereinafter fully described and specifically claimed.
The drawings represent the common type of reverberatory furnaces, in which'A designates the front wall, or the wall in which are the stoke and work holes, and B the back wall, both built up of the usual headers and stretchers. In these, or either of them, I
delivering the air into a gathering-flue, b, which conducts the air to a chamber, J, on the roof, which feeds the furnace through a series of transverse slits, f, in the crown.
The flues a receive air from a vertical distributing fine, 0, at the end of the wall, said flue receiving air from below or at the end plates.
In constructing the flues a, an admirable result is effected by the use of a headen brick of a peculiar form. It is substantially a complete brick, h, Figs. 9 and 10, minus one of the end edges, leaving apart of the brick to extend its full length. By laying the bricks side by side and facing them with the stretchers s, as in Figs. 3 and 10, the desired passages are secured, and at the same time a practically solid wall is obtained, lnving all the strength and durability attainable in such structures, requiring no skill to construct.
The lines are determined in size by the thick ness of the header, (generally two and a half inches,) and the small area of each necessarily has a more intense heating effect than if the entire body of air passed in a solid column.
The small fines a a are shown as formed in the walls of the fire-chamber, whereby the air passing through said fines is heated.
The lintels and chills shown in several figures of the drawing constitute no part of this application, and, being the subject of a separate application filed by me, are herein disclaimed.
Having described my invention, I claim as new and desire to secure by Letters Patent The improved metallurgic furnace hereinbefore described, having constructed in its walls, at the fire-chamber, the airdistributing flue c and the series of small intensifying flues a, and having the chamber J extending transversely across its crown, said chamber having communication with. the flues a through the gathering-fines b, and with the furnace through the cumulative delivery slits ff, all the several parts being constructed and combined substantially as and for the purpose described. In testimony that I claim the foregoing l have hereunto set my hand this 5th day of May, 1877.
JOHN MORRISON.
Witnesses:
JOHN FEReUsoN, Tnos. J. MoTrenn.
US196246D Improvement in reverberating furnaces Expired - Lifetime US196246A (en)

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