US429976A

US429976A - George henry taylor

Info

Publication number: US429976A
Authority: US
Publication date: 1890-06-10
Anticipated expiration: 1907-06-10

Description

(No Model.)

Kw w m AN w .M m GT S Patented June '10, 1890.

L l l lm UNITED STATES PATENT OFFICE.

GEORGE HENRY TAYLOR, OF LIVERPOOL, COUNTY OF LANCASTER,

ENGLAND.

STEAM-GENERATOR.

SPECIFICATION forming part of Letters Patent No. 429,976, dated June 10, 1890.

Application filed February 25, 1890 Serial No. 341,779. (No model.) Patented in France March 29, 1889, No. 198,216 in Switzerland April 3, 1889, No. 805; in Germany April 5,1889,No.49,387; in Belgium April 5, 1889. No. 85,696; in Spain April 24, 1889,11'0. 9,509: in Italy May 18, 1889, No. 25,462/9, and in Canada May 20. 1889, No. 32,579-

To all whom it may concern:

Be it known that I, GEORGE HENRY TAY- LOR, a subject of the Queen of Great Britain and Ireland, residing in Liverpool, county of Lancaster, England, have invented certain new and useful Improvements in Steam-Generators, (for which I have obtained patents in France, dated March 29, 1889, No. 198,216; in Germany, dated April 5, 1889, No. 49,337 in Switzerland, dated April 3, 1889, No. 805; in Belgium, dated April 5, 1889, No. 85,696; in Spain, dated April 24, 1889, No. 9,509; in Italy, dated May 18, 1889, No. 25,462/9, and in Canada, dated May 20, 1889, No. 32,579,) of which the following is a specification.

The object of this invention is to so improve steam-generators as to render them free from foaming and priming, and by creating active circulation within the generator to prevent sediment forming. My construction of steam-generators also permits of the parts being readily cleaned when necessary.

The improved steam-generatoris illustrated by the accompanying drawings, in which- Figure 1 is a longitudinal vertical section; Fig. 2, a cross-section on the line A A of Fig. 1, and Fig.3 a cross-section on the line B B of Fig. 1.

Z is the shell of the generator. a a are the fire-tubes therein conveying the heated gases from the furnace to the cylindrical drum or Waste-heat box b, which is situated below the water-level. Attached to this waste-heat box is a cylindrical metallic hood 0-, which surrounds the fire-tubes a a and the lower portion of the water-circulating tubes 6 e. The hood, where bolted to the waste-heat box I), is provided with a flatrim c, sufficiently wide to permit of the relief or anti-priming tubes at clbeing secured thereto. 6 e are the watercirculating tubes carried by the upper plate f of the Waste-heat box and passing through the lower plate f. The free ends of these tubes pass downward and terminatea short distance above the tube-plate f. The heated gases, as they pass up the fire-tubes a a into the waste-heat box I), impart heat to the surrounding water and pass away through the exit-pipe g, and may be utilized to heat the feed-water or for other convenient purpose.

The circulation of the Water is shown by the arrows in Fig. 1. By contact with the tube-plates f and f and fire-tubes a a the water becomes heated, and, escaping from within the cylindrical hood 0, rises up the space between the said hood and the walls of the generator. After becoming cooled it descends through the water-circulating tubes 6 e and returns into the cylindrical hood, where it again becomes heated and a like circulation takes place. In order to reduce the energy of this circulation or ebullition, and thus prevent priming, the relief tubes (l d are provided, so as toallow some of the heat ed water to pass upward through them.

hat I claim, and desire to secure by Letters Patent, is

1. In a steam-generator, the combination, with the lower tube-plate f and the waste-heat box I), situated below the Water-level and provided with exit-pipe g, of the fire-tubes a, extended downward from the bottom of said box to the tube-plate f, and the circulatingpipes 6, passed through the waste-heat box and extended down to within a short distance of the lower tube-plate, substantially as described.

2. In a steam generator having a Wasteheat box I), situated below the water-level and provided With fire-tubes a. and exit-pipe g, the combination therewith of a metallic cylindrical hood 0, bolted to said waste-heat box and surrounding the circulating-tubes e, substantially as described.

3. In a steam-generator having a wasteheat box I), situated below the water-level and provided with fire-tubes a and exit pipe g, the combination therewith of relief or anti-priming-tubes (Z, carried by the rim 0 of the me tallic cylindrical hood 0, substantially as described.

4. A steam-generator comprising as its essential features a metallic cylindrical hood 0,

carrying relief or anti-priming tubes (1, firemy name in the presence of two subscribing tubes a, surrounded by said hood, and a, waste- Witnesses. heat box carrying wateneireulating tubes (2, GEORGE HENRY TAYLOR. extending downwm'd into the hood 0, and an 5 exit-pipe g, all substantially as shown and Witnesses:

described. FRANCIS GILMOUR, In witness whereof I have hereunto signed HARRY CREBBIN.