US120516A - Improvement in steam-boilers - Google Patents

Description

VImprovement in Steam Boilrs.

No.1v20,516.' 1 Pafentedm. 31,1371.

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Improvement in` Steam Boifefs'.

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UNITED STATES PATENT @Enron JACOB F. HAYEN, OF BUFFALO, NEW YORK.

IMPROVEMENT IN STEAM-BOILERS.

vSpecification forming part of Letters Patent N o. 120,516, dated October 3l, 1871.

To all whom it muy concern:

Be it known that I, JACOB F. HAYEN, of the city of Buffalo, county of Erie and State of New York, have invented a new and Improved Upright Base-Burning Steam-Boiler; and I do hereby declare that the following is an exact and full description thereof, reference being had to the accompanying drawing and the letters of reference marked thereon making a part of this specifica tion.

Figure l is a perspective view of my improved boiler. Fig. 2 is a central vertical section of the same. Fig. 3 is a transverse section taken in the plane of the line w x, Fig. 2. Figs. 4, 5, 6, and 7 are detached views of the furnace-grate. Figs. 8, 9, and l0 are detached views of a steam-gauge and its attachments and Fig. ll is a sectional View ofthe deilecting-plate, detached from the boiler-furnace.

Similar letters of reference in the accompany ing drawing denote the same parts.

My invention has for its object to improve that class of upright steam-boilers which is provided with a base-burning furnace, whereby the same is siniplied in construction and rendered more efficient in operation. To this end the invention consists in the combination and construction of various parts, as I will now proceed to describe.

In the accompanying drawing, A is the upright cylindrical shell of the boiler, composed of the proper materials, and mounted upon a suitable base, H. A is a plate, affixed to the front of the shell and extending the whole length of the same and the base H, for the purpose of ail fording the necessary support for the doors d J M, and also to impart the proper nish to the boiler. O i's the combustion or rire-chamber, arranged concentrically within the base of the boiler above the support H, the latter serving as an ash-pit, to which access is had, through the B is the fuel-reservoir, placed concentrically within the boiler, and connecting, at its lower end, with the combustionchamber (l. Its upper end terminates at a point some distance above the center of the boiler and opens into the upper combustion-chainber O. Fuel is supplied to the reservoir through the door d in the side of the boiler and the door d' upon the upper end of the reservoir. B is the cast-iron fire-pot, connecting the fuel-reservoir with the combustion-chamber. It

is made in the form of an upright cylinder, slightly tapering, and composed of sections, so that it can be removed when the furnace or flues are to be cleaned. The inner shell of the boiler, immediately above the combustion-chamber O, is constructed with a series of water-legs or pipes, a, of circular form, which projects over the sides of said chamber and terminates a short distance from the lire-pot B. The combustion-chamber C communicates with the upper chamber C through a series of flues, I), which passes upward between the waterlegs c, as shown in Fig. 3, so that the products of combustion pass freely around said legs as they leave the combustion chamber. F is an annular deiiecting-plate, f1tting with close contact about the upper end of the fuel-reservoir, and from thence inclining up ward and outward to the shell A, passing over the ends of the flues D. Its outer edge is formed with a series of notches, c, from which the products of combustion from the iiues D escape into the upper chamber C. This plate, by its construction and arrangement, deilects the currents of hot air and products of combustion, as they escape from the iiues l), directly against the inner shell of the boiler, thereby heating the water therein as well at the top as at the bottom around the furnace. Gr is the smoke-stack or iiue, extending through the top of the boiler into the chamber C', where it terminates in a damper, G, as shown in Fig. 2. The damper G is composed of two concentric rings, e c, fitting closely, one within the other, upon a closed bottom, f. Each ring is provided with openings g, and, by moving the outer ring in either direction, the openings will be opened or closed, as desired. By this arrangement of a damper the draught through the furnace is regulated within the boiler itself-that is to say, within the chamber C. L is the grate, composed of cast-iron and pivoted centrally to the stand S', so as to revolve freely thereon, said stand in its turn being secured to the furnace, as shown at z, Fig. 2. J is an opening, extending through the side of the boiler into the furnace, to permit the inspection of the latter from time to time and to admit of the fire being stirred, when necessary. Fig. 9 exhibits a hermetically-sealed reservoir, composed of any suitable material, and attached to the boiler at any desired point on the Water-line. It is connected to the boiler by two pipes, t k, the former entering above, and the latter below, the Waterline. By this means the saine Water-level is preserved in both boiler and reservoir. m is the Water-supply pipe, passing through the reservoir into the boiler. The supply of Water is regulated by means of the valve fw and loat O, which are connected by the rod al so as to form a loatvalve, by which a uniform level of the Water in the boiler is maintained. In Fig. Sis shown a steam-gauge, to be attached to the side of the boiler. The lever a2 of the gauge is adapted to work up or down, according to the pressure of steam in the boiler. One end is connected, by

a chain, y, to the upper door of the latter, and its opposite end isV connected to the lower door of the ash-pit. By this arrangement the draught of the furnace is regulated in accordance with the pressure of steani in the boiler.

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

1. The boiler herein described, consisting of the shell A, reservoir B, cast-iron fire-pot B', vertical ilues D, detlecting-plate F, radial Waterlegs a a, and furnace C, all substantially as shown and described, for the purposes specied.

2. The inclined annular deilecting-plate F, in combination with the fuel-reservoir B, upper chamber C', lues D, and the inner shell of the boiler, substantially as described, for the purpose specified.

3. The damper G, arranged Within the upper chamber C above the delectingplate F, and fuel-reservoir B, substantially as described, for the purposes specified. *i

n JACOB F. HAYEN.

ADOLPH MEYER. (149)

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