US111191A - Improvement in steam-boilers - Google Patents

Description

J. L. P'RISBIE.

STEAM BOILBR.

Patented Jan. 24, 1871.

' jmfnmes /w waited" tate Jour L. muslim,

two *cina ornuoonLrNeN.. fr.; AssieNon rro MARSHALL fr DAVIDSON, IOF' SAME PLACE.

1mm raient No. 111,191, dated Jamey 2'4, 1871.

IMPROVEMENT IN STEAMBOILERS.

The seneauie referred :o mtime Lee-tm Parent ene mung part of una ax1ue. l

' all whom it concern Be it known that I, Jol' L. Fiumara, of Brooklyn, in the county of Kings and State ofNew-Yorlr, have `invented 'a' new and useful Improvement in Stearn-A vZoiie'ra'of which 'the following is ai full, clear, and exact description, reference-being `had to the accompanying drawingi'orming part ofthis speeication, and

in which.

' Figure 1 represents `a. plan view of a steam-boiler constructed according to my improvement, with the smoke-box removed Figure 2,. a central vertical section of said boiler;

Figure 3, a horizontal sectionftaken as denoted by the line a: 4:15in iig. 2'; and

Figure4, afurtherhorzontalseotiou,througirtlle line--y y.

applicable asa Apower-boiierlfor driving machinery,

and has vforits object economy ot fuel', together with a rapid steam-producing capacity, and Vbeing'wholly ormainly of cast-i1on,.cheapness of construct-ion, corm-v bined withv safety, durability, andsecurity against leak'- age and collapse. e In the construction and arrangement of itsparts,

said boiler embraces a lower central lire-chamber, surrounded'` or formed by an annular water-leg, preferably having ailuted exterior bverhanging water-chamber, from which project verei tical water-tubes, arranged in concentn'c rows and couneeting at their upper ends with the main body of the boiler, also through which and the annular water-'chamber, .at their b ase,the smoke-tubes pass. A

vSaid rc1-'tical watentubes, annular base-chamber,

and lower water-leg, are all arranged within a heatingspaceiorl chamber, to' which the products of combustion pass from the central tire-chamber thy escape between the concentric rows of yer-ticaltubes, from 'thence down and around the .at their base', and up through the smoke-tubes to the smoke-box.

The smokeftirbes' are secured on orto the crownsheet of the vboiler by forming said tubes-with a flange onthemat aflittlc :distance from-their tops, which anges made to liciagaiust theiouter -snii'aee of the crown-sheet, and is borne downv thereon by a gland' fitting over the upper projecting end of the tube, andv screwing ihto asurrounding soeketedprojection on the erowhlsheet. .This forms a s impleand secure mode of. attachment,l both against internal' pressure -and external pressureor collapse.

.B of thebolei'. and mounted byvan annular lchamber F, wit-hin. and ,up the water-tubes- GSG, and

annular water-chamber Referring tothe accompanying drawing, theLboiIer as" there/represented, and which is' made wholly or mainly of' east-iron, tubes and' all, though wroughtmetal smokeetubes may be inserted, if preferred, is

composed ofjtwo' prominent or leading parts, namely,

a lowfer portion, A, and upper portion, B, which late ter, that forms the body'of the boiler, is secured'by a lower flange, a, and bolts tovau upper flange, b, on the lower portionA. j u

reihis last-mentioned flange?) is Vformed by an'extensionof the top plate ofthe `lower portion A, which plate constitutes the bottom o f the. body B or erown` sheetof the tire-chambery and which plate, at its angefpoitiou, rests on and incloses at its top a heatretaining and circulating-chamber, O, of brick-work, that is, made of or lined with fire-clay, said chamber encompassingthe whole 'of the lower portion A of the Thispoition A rests, by means of a4 bottom. annu-v lar water-deg, '1)011 the` bottom of said chamber, the re on,y products of combustion passing from the* Yreqilace E'up through vthe interior'cof said waterleg' that thus also forms a fire-chamber.

' Cast ou the upper portion of this water-leg is an annular overhanging water-chamber,'1, of lesser exterior diameter than the inte-rior of `the chamber `C, sous to allowfof, thev products voieombustion passing its.

` G Gr are' vertical water-tubes, arlauged in` conoen` -tric rows,w ith fire-spaces in .between them, audieon;

u ecting the yannular water-chamber F with. thebody H Hi are smoke-tubes, passing up ythrough` the through the. body B ofthe -boiler tothe smoke-box I. If desired, there also' may be av central smoke-tube, H', connecting ,in a direct manner the smoke-box I with a dome-shaped space formed by the crown-sheet Y of the tire-chamber.

:In the-operation of the boilexgwhieh shouldbeprof vided with suitable vinlets and' outletstor feeding it" and drawingor blowing o therefrom,v the heated gasesyand'produets of combustion iirst pass from the lireplace E up through the interior of the water-leg D from thence around and between thewatertubes Gf 2 to" thc heat-retaining chamber 'O down said chamber around-theaunular water-chamber or water-tubehasc "LB5-Parm'1ndjthc exterior of the water-leg'D, which vis i 4tinted o r. corrugated, as shown in tig.'4, to give it ad- 4ditional strength and heating'suriiice; and from thence uplthrongh the smoketubes G to the `slnoke-bx Iv' 'lhis -combination and arxnngeniutof parts areboth, eilicientand cconomicah-N'.'

I furthermore propose izo-'secure the smoke-tubes`H` in or to the crown-sheet fd of the boiler by forming cach of 'said tubes with a ange, e,-' near its upperend', 'which fiange lies .ontlie outside surface o f -said.

sheet; and is berne d'own thereon rby a' gland,j;` arranged'to t .vernthe projecting opper end of fthe tube, audto screw into a socket, g, cast' onv the plate o d, within whieh'socket the langee of the tubelies'. T lxis'modeof attachment provides against'inim'y or aceident,.`either byl internal or external pressure. l When the-,boileris 'used forl dome'stcvpurposesit may be arranged witliinan exterior' chamber, J,1of brek-work, from'which-chamberpipes h h may be led tc'convey' heated air, as derived by radiation from' the jboiler and itslsettingto upper apartmentsor-,else-h What is'here claimed,and desired to besecured l by Leiters Patenti ,iS-

1. The combinationand arrangement ofthe waterleg D, the annular water-chamber F, vthe water-tubes G, the ,heating-chamber.0the smoke-tubes H, and the body B, substantially as specified.

essentially as shown -anddescribed- 4 l JNO. L. 'FRISBIEy Witnesses: I, i

` FRED. Eems,

R. E. Bumm.

' 2. The smoke-tubesH, secured asdeserbed .to .the 4 ycrown-sheet ofthe boiler by ,means of ,Bauges e, inf

combination with the glands f and sockets g'o'n'said sheet, and into which't-he glands arefmade to'jscrew,

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