US23733A - Improvement in steam-boilers - Google Patents

Improvement in steam-boilers Download PDF

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US23733A
US23733A US23733DA US23733A US 23733 A US23733 A US 23733A US 23733D A US23733D A US 23733DA US 23733 A US23733 A US 23733A
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boiler
tubes
fire
steam
space
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B7/00Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body

Description

PATENT OEETCE.

.EDVARD WHITELEY, OF

BOSTON, MASSACHUSETTS.

IMPROVEMENT IN STEAM-BOILERS.

Speciiication forming part of Letters Patent No. 23,7331, dated April i9, 1859.

To a/ZZ whom t may concern:

Be it known that I, EDWARD WHITELEY, of Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Steanrloilers, of which the following is a full, clear, and eX- act description, reference being had to the accompanying drawings, making part of this Specification, in Which- Figure l is a view of the boiler with a portion of the outer casing broken away to show the parts within; Fig. 2, a vertical section through the same.

For the greater economy of space and fuel the ire-surface has been increased in steamboilers by the employment of tubes through which either the water or the name was made to pass. These tubes have heretofore been placed within the boiler and in immediate proximity to the hottest of the fire. Where great compactness is required and the firebox is placed within the boiler, this arrangement is liable to a twofold objection; first, their position within. the fire-box or immediately over it interrupts the proper combustion of the fuel, while they are exceedingly liable to be burned out on account of their nearness to the iireJ To remedy these objections is the object of my present invention, which consists in a peculiar construction of boiler in which the fire-box is within the boiler, which is surrounded with a series of vertical watentubes leading from the upper to the lower part of the water-space and so arranged within a chamber or passage around the outside of the boiler that the products of combustion after they escape from the fire-box shall circulate around and among these tubes, as will now be more fully described.

In the drawings, A is the base, which also serves as the ash-pit. lt is furnished with doors ct, through which the draft is admitted to the iire; B, the iire grate; O, the boiler, the lower portion of which forms a watenspace, b, around the fire. A. door, c, gives access to the fire-space D. An opening, d, through the side of the boiler allows the escape of the products of combustion from the fire-space D into an annular chambenhl, formed by a casing, F, which surrounds the boiler. (A por tion of this casing is broken away in Fig. l to show the tubes within, it.) A door, e, in the Y casing admits cold air to the chamber-E when it is desired to check the too rapid generation of steam, as will be frequently the case when used for warming houses, dro. A smoke-pipe, G, is attached to the casing F on the side opposite to the opening d, so that the course of the products of combustion is from the fire-space D, through the opening d, and around on both sides of the boiler in the space E to the smokepipe G. Within the space is arranged around the outside of the boiler O a series of tubes, f, which connect with the water-Vin the upper part of the boiler and also with the waterspace b. (These tubes are attached to the boiler in any of the wellsknown methodsd such as screws and lock-nuts.) The tubes thus arranged offer a large amount of heatingsurface to the tire and hot air which pass through the chamber E, and also serve to esand prevent it from foaming. Gagecocks g pass through the casing F into the boiler C.

A coil of pipe, H, connecting with the water in the boiler, is placed in the top of the firespace D; but this forms no part of myinvention.

The casingF may be so arranged with suitable joints at the top and bottom that it may be lifted off from the boiler when it becomes necessary to have access to the tubes f for repairs, &c. The tubes maybe arranged around the boiler in one continuous row, as at f; or a second row may be placed outside of the first one, the ends entering the boiler above or below the others, as at h, Fig. l; or they may be bent, as at 27, Fig. l, to give more length of pipe; or, whenthe water-space b does not project beyond the body of the boiler, the tubes may be caused to enter at rightangles to its vertical sides, as at 7e, Fig. l.

The following are some of the advantages which are possessed by aboiler of the above construction: The tubes f, being placed out of contact with thehottest part of the fire, will last much longer than when placed within the boiler itself, while when they do require to be removed they are much more accessible. In a boiler with inside liues the boiler will be required. to be made of greater height to obtain the same amount of heating-surface than in a boiler of my construction of the same diameter. This often makes the boiler of an inconvenient height in proportion toits ditablish a circulation of water in the boiler C ameter. The removal of the tnbes from the The Water-tubes f within the space E surre-spaoe above the fire gives room for a larger rounding the boiler, arranged and operating combustion-chamber, in which the gases from in the manner substantially as set forth.

the re may be thoroughly ignited before E. VVHITELEY. passing off. Witnesses:

What I claim as my invention, and desire SAML. COOPER, to secure by Letters Patent, is-v I THOS. L. GLOVER. JK

US23733A Improvement in steam-boilers Expired - Lifetime US23733A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642068A (en) * 1968-03-21 1972-02-15 Mobil Oil Corp Formation fracturing
US3768564A (en) * 1971-04-26 1973-10-30 Halliburton Co Method of fracture acidizing a well formation
US3799267A (en) * 1972-11-21 1974-03-26 Halliburton Co Hydraulic fracturing method using benzoic acid to further increase the viscosity of liquid hydrocarbon

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642068A (en) * 1968-03-21 1972-02-15 Mobil Oil Corp Formation fracturing
US3768564A (en) * 1971-04-26 1973-10-30 Halliburton Co Method of fracture acidizing a well formation
US3799267A (en) * 1972-11-21 1974-03-26 Halliburton Co Hydraulic fracturing method using benzoic acid to further increase the viscosity of liquid hydrocarbon

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