US296398A

US296398A - evans

Info

Publication number: US296398A
Authority: US
Publication date: 1884-04-08
Anticipated expiration: 1901-04-08

Description

(No Model.)

' J. EVANS.

y BRICK NOZZLE lPOR GAS FURNAGB PI-PES. N'o. 296.398.V Patented Apr. 8, 1884.

//l l//l/ mmrlisssss A x hvaqlm UNITED STATES 4PATENT Orricn.

JOHN EVANS, OF ETNA, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO GEORGE A. CHALFANT, OF SAME PLACE.

BRICK NOZZLE FOR GAS-FURNACE PIPES.

SPBCIFICATIN forming part of Letters Patent No. 296,398, dated April 8, 1884.

Application mea Jun@ 1,1883. (No model.;

''o til whom t may concern,.-

Be it known that l, JOHN Evans, of Etna, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Iniprovexnent in Gaseous-Fuel Furnaces; and I do hereby declare the following to be a full, clear, and exact description thereof, reference being hadto the accompanying drawings, forming part of this specification, in Which- Figure l is a longitudinal sectional view of a puddling-furnace, showing the application thereto of my improvement. Fig. 2is a horizontal section on the line x of Fig. l.

Like letters of reference indicate like parts in each.

Difficulty has heretofore been experienced in that class of furnaces in which gas is used, and particularly natural or hydrocarbon gas from the earth, on account ofthe burning of the ends of the pipes Which supply the gas to the furnace. The pipes inust be led to the burningpoint, which is usually at or near the bridge of the furnace, and consequently their ends are exposed to the intense heat of the furnace and burn off rapidly, producing ine; quality in the heat, irregularity in the action oi' the furnace, leakage of air into the furnace, and leakage and Waste of gas. To obviate all of these disadvantages l lead the gas into the furnace by means of thick pipes or nozzles a, made of fire-clay or other refractory material, which are built into the Wall b of the furnace,

and project into the vertical air iiue or fines front ends are preferably beveled or pointed,

. as at c2, so as to interfere as little as need be with the draft of the furnace. rIhe rear ends have a socket, ai, (if-larger diameter than that of the channel a', for receiving the ends of the branch pipes e of the gas-main e. The joints between the pipes a and e are made tight by packing or cement, as at g. Being thick, strong, and fire-resisting by nature, the nozzle is not affected inj uriously by the heat to which it is exposed. The pipes e', not being exposed at all to the heat of the furnace, do not burn out. Another advantage is that the gas main and pipes can be removed and replaced Without injuring or in any Way disturbing the Walls of the furnace.

Vhat I claim as my invention, and desire to secure by Letters Patent, is-

In furnaces for burning gaseous fuel, the combination, with the air -ilue and bridge- Wall, of the refractory gas-induction nozzles arranged in the furnace-Walls and projecting into the air-due to a point at or near the bridge-wall, said nozzles having beveled delivery ends and sockets for the reception of the gas-supply pipes, substantially as and fo the purposes specified.

lIn testimony whereof I have hereunto set my hand this 31st day of May, A, D. 1883.

JOHN EVANS.

Witnesses:

W. B. Convvnv,

n T. B. Knien.