US210536A - Improvement in feed-water heaters - Google Patents

Description

UNITED STATES nPiLiTnlxTT OFFICE.

EDWARD HUBER, OF MARION, OHIO.

IMPROVEMENT IN FEED-WATER HEATERS.

Specification forming part of Letters Patent No. 2105536, dated December 3,1878; application filed August l, 1878.

To all whom it may concern.'

Be it known that I, EDWARD HUBER, of the city and county ot' Marion, and State of Ohio, have invented a new-and Improved Feed- Water Heater; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part otl this speciiication, in which- Figure 1 is a longitudinal section through the line w x of Fig. 2. Fig. 2 is a transverse section through line y y ot' Fig. 1.

My invention has reference to an improved feed-water heater; and it consists in the peculiar construction and arrangement of a circularjaeket, arranged about the smoke-chamber of the boiler, having a supply-pipe and a discharge-pipe leading to the boiler, so that the water, in passing through said jacket to the boiler, is not only heated before being delivered into the boiler, but also serves to prevent the smoke-chamber from being burned ont, as hereinafter more fully described.

In the drawing, A represents a boiler, having an internal ue, B, the front portion of which is fashioned into a tire-box with grate, a, and bridge -wall composed of two metal plates, b b.

C is the smoke chamber, communicating with the rear of the lue B, and discharging its contents through the pipe D. Around this smoke-chamber, either upon the outside, as shown, or upon the inside, is arranged the circular water-jacket E. This jacket receives its supplyr through a pipe, c, in the side, and discharges its water, as fast as it becomes heated, into the boiler through the pipe d, which leads from top of the jacket, where the water is the hottest and free from sediment.

In carrying the steam from the boiler to the A point of utilization a pipe, c, from the steamdome is extended down through a tube in the steam-space, and thence through the crownsheet into the iiue between the two plates b b' ot' the bridge-wall, and thence out at the side of the boiler to the cylinder. This mode ot' conducting the steam, it will be seen, causes it to be superheated.

To prevent the back end, F, ot' the boiler from burning out, it may be made hollow, as shown, and lled with ashes; or it may be constructed of lire-brick.

Gr is a removable door at the bottom of the smoke-chamber, for clearing out the deposits of ashes and soot in the same.

I a-m aware that it is not broadly new to arrange a water-jacket about the smoke-chainber of a steam-boiler inside of the outer shell to heat the feed-water as it passes through said jacket, and I therefore limit my invention to the peculiar construction and arrangement of the jacket formed by a circular strip ot' metal bolted at its edges to the outside sur face of the extended shell of the boiler which forms the smoke-chamber, and swelled or bent up in the middle to receive the water.

Having thus described my invention, what I claim as new is-,

The combination, with the boiler A, of the circular water-jacket E, consisting of a strip of metal bolted at its edges to the outside ot' that portion ofthe shell of the boiler which forms the smoke-chamber, and bent or swelled up in the center to receive the water, as described.

EDWARD HUBER.

Witnesses:

B. F. STAHL, S. A. COURT.

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