US153173A

US153173A - Improvement in apparatus for condensing fumes from smelting-furnaces

Info

Publication number: US153173A
Authority: US
Publication date: 1874-07-21
Anticipated expiration: 1891-07-21

Description

s. w. mK & 6.R. AYRES.

Appratus NoJ53J73.

lillll ll'n for Condensing` Fumes from Smelting Furnaces Patented July 21,1874. Y

UNITED STATES PATENT OFFICE.-

SOLOMON lV. KIRK AND GEORGE Ii. AYRES, OF PHILADELPHIA, PA.

IMPROVEMENT IN APPARATUS FOR CONDENSING FUMES FROM SMELTING-FURNACES.

Specification forming part of Letters Patent No. l 53,173, dated July 2l, 1874; application filed December 16, 1873.

To all whom it may concern:

Be it known that we, SOLOMON W. KIRK and GEORGE R. AYREs, of Philadelphia, county of Philadelphia and State of Pennsylvania, have invented certain Improvements in Apparatus for Oondensing Fumes from Smelting-Furnaces, of which the following is a specication:

Our invention relates to an improved appa` ratus for condensing the fumes from a furnace for smelting argentiferous or other ores bearing the precious metals.

In the accompanying drawings is represented a central vertical longitudinal section of an apparatus embracing my improvements.

A is a smelting-furnaoe, and is connected by an arched flume, B, with the condensingchamber O. Dis a division-wall, extending from the arched top of the fiume B down across the condensing-chamber O, to within from twelve to eighteen inches of the bottom thereof. Throughthis division-wall B extends the hollow cylinder E, as shown, and to the interior vsurface of that cylinder is attached, by air-tight joints, an arehiinedean screw, which is fastened to and revolves with the spindle F, which may be revolved by a band or belt traveling over pulley K. G G are pipes by which water may be conveyed into the dome of the condensing-chamber, and there discharged in small `jets or spray, the Outer ends ofthe pipes being enlarged and capped with perforated plates for that purpose, thus aiding in the condensation of the fumes.

The oondensin g'chamber should always contain water enough to entirely submerge the spindle F, and an aperture, H, through the wall will serve to dra-w off the water to the proper level. 1 is a smoke-stack to convey away such smoke and gas as are designed to be discharged as refuse mattei'. J is an airtight doorway for entering the chamber when necessary.

Now, when the furnace is in operation the fumes from its stack bear OE much gold, silver, lead, &c., and are themselves discharged into that portion ofthe chamber next the furnace,

ment, and in their passage the pressure between the two volumes of water, one in each compartment, aided by its cooling effect, precipitates all their metallic parts, and the refuse passes out through stack I, as before stated.

The operation of the screw so incased in the hollow cylinder E serves to materially increase the draft from the furnace, the chamber O, as well as the division-wall D above the water-line, being 4air-tight up to the stack I.

We are aware of the patents of Whe] pley and Storer, No. 41,251, dated January l 2, 1864, and reissues of same, Nos. 4,897 and 4,898, dated May 7, 1872, and of the patent of F. Formhal, No. 7 3,519, dated January2l, 1868, and reissue of same, No. 3,043, dated July 21, 1868, the said VVhelpley and Storers patent being for improvement in processes of roasting, burning, and heating metallic ores and minerals, and that of F. Formhal for an improved machine for collecting and condensing metallic.

the spray-pipes GO, and the cylinder E, pro-l vided in its interior with an archimedean screw on spindle F, each of such parts con-` structed and all arranged substantially inthe manner and for the purpose described and set forth.

SOLOMOBT 1V. KIRK. GEO. ll. AYRES.

Witnesses:

J. TrsoN, HIRAM KIRK.