US359672A - Boiler - Google Patents

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US359672A
US359672A US359672DA US359672A US 359672 A US359672 A US 359672A US 359672D A US359672D A US 359672DA US 359672 A US359672 A US 359672A
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water
boiler
tubes
chamber
base
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B13/00Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body
    • F22B13/02Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body mounted in fixed position with the boiler body disposed upright
    • F22B13/023Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body mounted in fixed position with the boiler body disposed upright with auxiliary water tubes inside the fire-box, e.g. vertical tubes
    • F22B13/026Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body mounted in fixed position with the boiler body disposed upright with auxiliary water tubes inside the fire-box, e.g. vertical tubes the tubes being in substantially horizontal arrangement

Description

(No Model.) 2 Sheets-Sheet 1.
M. J. GALLIGAN.
BOILBR. No. 359,672. Patented Mar. 22, 1887.
mumamuumu i f u till z fill.
WIM/8858:
ATTUHNEX (No Model.) 2 Sheets-Sheet 2. M. J. GALLIGAN.
- BOILER. W N0. 359,672. Patented Mar. 22,1887.
2% QM MH ATMP/v51( Unirse trarne Fares?? @trice MCHEAL JOHN GALLIGAN, OF CEDAR RAPIDS, IOVA.
BOILER.
EPECIEICATON forming part of Letters Patent No. 359,672, dated hdarch 22, 88'2'.-
Application filed August 3, 188.6. Serial Se. 209.847. (No model.)
To all whom, may concern.:
Be it known that l, Miene-ii. .Tous GALLI- GAN, a citizen of the United States, residing at Cedar Rapids, in the county ol' Linn and State 0f Iowa, have invented certain new and useful Improvements in Boilers; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to maire `and use the saine.
My invention relates to improvements in steam-boilers, and more particularly to that class known as upright er vertical boilers; and the objects Ihave in view are, first, to provide a boiler' that will be simple in construe-- tion, easily put together and taken apart, and the novel manner ofarranging the tubes within said boiler; second, to provide a feed-chamber at the base of the boiler, whereby the water becomes heated before reaching the waterspace and tubes, thereby lesseuing the amount of fuel necessary to produce steam; third, to increase the heating-surface and accelerate the circulation of the water, to obviate the incrustation of sediments, thereby making the boiler more durable and effective; and it further consists in certain features of construction hereinafter specified, and more particularly pointed outin the claims. I attain these objects by the mechanism illustrated in the accompanying drawings, in which- Figure l is a front elevation of my improved boiler. Fig. 2is a central vertical section of the same on line a: :v of Fig. 1. Fig. 3 is a per spective of the firebox and combustion-chainber, and Fig. el is a section taken on the lines y y of Fig. 2.
. Similar letters refer to similar parts throughout the several views.
A represents the outer shell or casing of the boiler, and is provided with a crownsheer, A5, and the usual door, A.
A represents the ash-pit, having an ordinary door, c, -and is also provided with an inwardlyextending annular flange, A, upon which the grate A* is mounted, and upon which au annular basecasting, B, is mounted, itbeing provided with flanges B B2.
Upon the ring or base casting B is mounted my tube-case, fire-box, and eombustionehainber, C, which is preferably of an oval shape in crossvsection, as clearly shown in Fig. 4, and is provided with an ordinary uptake or smokestaek, G', which outlet is central to the cornhustion-chamber, thereby securing greater draft than would be the case if otherwise arranged.
Directly opposite the door A in the shell there is formed in the easing a similar opening, C2, and between the casing and shell, and surrounding the opening C2, is a space-block, C3, thus forming a fuel or stolze hole.
Extending across the combustion-chamber C, and at a suitable height therein, is a series of water-tubes, D, communicating with the water-space E, (at each side of the casing) formed by said casing and the outer shell. The tubes D are, furthermore, expanded on both sides of the flue, thereby forming braces to resist pressure from water and steam within the waterspace E;
The shell and easing are mounted upon a hollow cylindrical base, F, the top of which is concave or countersunlr, forming an ash-pit, A, the purpose of which will be hereinafter more fully described.
The base F is provided with au induction water-supply pipe, K, which ina-y be connected to a pump or other ordinary and well-known means of supply. l also form in the base F au opening, F', for the purpose of affording means whereby the base' may be cleaned from sediments deposited therein, and is shown in the drawings as hermetically closed by means of an inner plate, f, and an outer bridgepiece, f5, secured by bolts and nuts f2.
H represents the steampipe, which is pro vided with the usual valve, H', and is preferably situated as shown in Fig. l.
I I represent screwtaps, situated diametrically opposite each other in the outer shell or casing, and are intended for the purpose of inspecting the water-tubes D, it being evident that a light placed at one will give sufficient light for a person at the opposite tap or opening to inspect the tubes and learn their condition.
Extending downwardly from the outer shell or casing, A, to the base F, and at suitable distances apart, is aseries of circulating or feeding pipes, F i, provided with ordinary valves, F3, for the purpose of regulating the dow of water from the base F into the waterspace E. It will now be seen that the water, entering the induction or supply pipe K into the base F, passes upwardly through the pipes F into the water-space E, and then through the tubes D. As the water enters the base F, the heat radiating downward, and hot ashes falling upon the concave or countersunk surface a", will heat the water contained therein t-o boiler-pressure before it enters the waterspace E and tubes D. Thus it will be seen that the amount of fuel required to give the water the necessary temperature is greatl y lessened. The boiler now being ired up, the products ofcombustiou pass up through the chamber C and in and out among the pipes or tubes D, which are placed on an inclination for the purpose, that the steam generated therein will rise through the higher end, to be replaced by water entering through the lower end of such tubes, thereby producing a strong circulation of the water through such tubes; and they are furthermore so arranged as to make the path of the product of combustion as tortuous as possible, and thus quickly absorb the heat therefrom, and thence the products pass out through the uptake or smoke-stack C', and,l
further, the object of arranging the tubes at au inclination is for the purpose of keeping them from sediments and in keeping the water in a constant state of circulation, and as the smoke-outlet is central and the tubes being arranged as described, they thus form a very efficient spark-arrester.
By the means and construction described a circulation of the water is produced, it passing from the chamber F up through the pipes F2 into the waterspace E, and thence through the tubes D, where the operation. is repeated, the dry steam passing in regulated quantities out of the steam or exit pipe II.
It will be secu from the above that the construction of the boiler is greatly simplified, the shell is readily placed over the uptake and combustion-chamber, and the number of parts composing the' boiler are materially reduced and simplified, and that the large amount of heatingsurface and the position of the water-chamber F reduces the amount of fuel required to run the same to a minimum.
I do not wish to be understood as limiting my invention tothe exact construction shown, as I may alter the same without departing from the spirit of my invention. For instance, if found preferable, bracepieces may be secured to the shell and casing; the induction-pipe may be situated near the top instead of as shown; and I may also use a gage secured to the side of the outer casing by means of hollow tubes, whereby the heightv of water contained in the boiler may be ascertained.
I am aware that patents have been granted showing a boiler having a fire-box formed of a series of water-tubes connecting a waterbase with the body of the dome or boiler;
also, that boilers have been constructed hav'- ing an outside jacket and nre-'box with nues formed in such manner that the products of combustion shall heat the water in the waterspace before being fed to the boiler, and also that tubes have been placed at au incline. I therefore do not claim the above features broadly.
I am aware that prior to my invention boilers have been used in which the tubes were placed on an inclination. I therefore do not claim such a combination, broadly; but
W'hat I do claim as my invention, and desire to secure by Letters Patent, is-
l. In a boiler of the class described, a combustion-chamber having transverse inclined water-tubes, a shell forming a water-space around the chamber, a chamber forming a base, and pipes communicating therewith and with the waterspace of the boiler, and an interposed ash-pi t having a countersunk portion, substantially as specified.
2. In a boiler of the class described, an oval combustion-chamber provided with transverse water-tubes, a cylindrical shell embracing the same and forming a water-space, a base form and a hollow chamber and pipes communicating with said chamber and with the waterspace of the boiler, substantially as specied.
3. In a boiler of the class described, an inner oval combustion-chamber and fire box provided 'with a series of transverse inclined water tubes and with a central uptake, a shell adapted to embrace the uptake and conibustionchamber and forming a water-space, a base-ring arranged within theshell to support the combnstion-chamber and resting upon a foundation to which the shell is secured, and a base forming an ash-pit having a countersunk portion, substantially as shown and for the purposes specified.
4t. The combination of the outer shell or casing, A, having the combustion-chamber C xthcrein, and mounted on the base A2 of the chamber F, having a countersunk portion provided with opening F, induction-pipe K, and connecting-pipes F2, substantially as shown, and for the purposes specified.
5. The combination of the outer shell or casing, A, mounted on the base A2 of the coinbustion-chamber C, provided with the transverse inclined tubes D, and the uptake I-I, forming the water-space E, and with the spaceblock C, pipes F2, chamber F, having a countersunk portion, opening, F, and inductionpipe, substantially as specified.
6. In a boiler of the class described, the base F, .forming a water-chamber, having its upper surface concaved or countersunk, in combination with t'he shell and casing and connecting-pipes, substantially as shown, and for the purposes described. r
7. In a steam-boiler, the base F, forming a water-chamber, the opening and induction pipe, and having it-s upper surface concaved lufr an ashait havin01 a countersunk Jortion, Y
IOC
IIO
casting B, flanges B B2, and ash-piti?, all sub-l o'r eouuteisunk, whereby thc water is heated stantially as shown, and for the purposes de before reaching the water-space and tubes, Substantially as described. scribed.
8. In a steam-boiler of the class described, In testimony whereof I affix my signature in 5 the base having a countersuuk upper surface presence of two witnesses.
provided with the opening F" and induebon- MICHEAL JOHT GALLIG AN pipe K, and connecting-pipes F2, in combina- L tion with shell A, oval casing C, provided with lvitnesses: transverse inclined pipes or tubes D7 spacei NV. S. RICHMOND,
1o block CJ smoke-outlet C', exit-pipe H, base- H. B. MARTIN.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613653A (en) * 1951-08-20 1952-10-14 Wald Samuel Fuel saving furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2613653A (en) * 1951-08-20 1952-10-14 Wald Samuel Fuel saving furnace

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