US626118A - Dooooooooooooooo - Google Patents
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- Publication number
- US626118A US626118A US626118DA US626118A US 626118 A US626118 A US 626118A US 626118D A US626118D A US 626118DA US 626118 A US626118 A US 626118A
- Authority
- US
- United States
- Prior art keywords
- boiler
- water
- sheet
- legs
- tubes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004140 cleaning Methods 0.000 description 10
- 238000010276 construction Methods 0.000 description 10
- 238000010025 steaming Methods 0.000 description 4
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 description 4
- 235000007319 Avena orientalis Nutrition 0.000 description 2
- 241000209763 Avena sativa Species 0.000 description 2
- 235000007558 Avena sp Nutrition 0.000 description 2
- 241000345822 Cylindera <genus> Species 0.000 description 2
- 240000004282 Grewia occidentalis Species 0.000 description 2
- 206010022000 Influenza Diseases 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000414 obstructive Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B9/00—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body
- F22B9/10—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body the boiler body being disposed substantially horizontally, e.g. at the side of the combustion chamber
- F22B9/12—Steam boilers of fire-tube type, i.e. the flue gas from a combustion chamber outside the boiler body flowing through tubes built-in in the boiler body the boiler body being disposed substantially horizontally, e.g. at the side of the combustion chamber the fire tubes being in substantially horizontal arrangement
Definitions
- This invention relates to the class of return-flue boilers; and the object of the invention is to provide a boiler of relatively cheap construction, great strength, relatively great steaming capacity, and one which has less weight than ordinary boilers of the same class.
- Figure 1 is a side view of the boiler, the front portion at the left being in side elevation and the rear portion in longitudinal vertical midsection.
- Fig. 2 is a horizontal section in the plane of linew in Fig. 1.
- Fig. 3 is a Vertical transverse section in the plane of line 00 in Fig. 1, looking to the rear.
- Fig. 4 is a vertical section in the plane of the line m looking to the front.
- Fig. 5 is a fragmentary sectional View showing how the pipes 20 may extend up through the roof-plate 12 instead of forward through the tube-sheet 7.
- Fig. 6 is a View similar to Fig. 3, illustrating the application of the invention to a battery of boilers. tom of the water-leg.
- the boiler has the well-known wagon shape or form, being rectangular in plan, vertical at its sides and ends, and arched or semicircular in form at the top.
- the products of combustion pass back and up to the rear tube-sheet, enter the tubes or fiues at their rear ends, fiow toward the front through the tubes, and pass thence into the breeching and to the stack.
- the outer shell of the boiler has an upright front plate 1, an upright back plate 2,
- Fig. 7 illustrates in detail the bot-:
- Fig. 3 the pendent convex heating-surface 5 over the fire-box B.
- the whole or complete cylinder terminates at the rear tube-sheet 7.
- the inner side plates 10 extend up to meet the roof-plate 12 from the tube-sheet 7 back to the plate 8; but from the inner front plate 11 back to the tube-sheet 7 (Where the full or complete cylinder A terminates) these plates are curved inward to form arched angle-plates 13, which extend to and are riveted to the cylinder A.
- the arched plates 13 are integral with the plates 10; but they might be constructed separately and riveted to the upper edges of said plates 10.
- the fire-box B In the fire-box B is the usual grate or firebed 18,and back of same and. forming abridgewall therefor is a transversely-arranged waterdrum 19, which is fixed at its ends in the inner side plates 10, so that itsinterior connects directly with the side water-legs.
- water-tubes 20 extend back, upwardly, and thence forward through the rear tube-sheet 7, opening into the waterspace above the tubes 6.
- the drum 19 and tubes 20 extend the heating-surface of the boiler very greatly, and so increase its steaming capacity. As here shown, there are two tiers or sets of the tubes 20, but there may be one or more sets of such tubes. In the side walls of the boiler-shell there is a manhole 21 opposite the end of the drum 19, in order to afford access for cleaning it and inspecting its interior.
- the four corners of the outer shell of the boiler are rounded, as best seen in Fig. 2, to impart strength and avoid the necessity of corner-stays; and this rounding is also extended over the arch of the boiler at the front and back, as seen in Fig. 1.
- This boiler is well adapted for use in battery, as illustrated in Fig. 6, where two boilers are represented as arranged side by side. This form is especially useful under circumstances where a high boiler cannot be used, as on some vessels. In that case the cylinders A may be reduced in diameter and two or more boilers placed side by side.
- the employment of the cylindrical shell A, its lower part forming the furnace-crown avoids the use of braces or ties from the furnace-crown to the arched top sheet of the boiler and also the use of the ordinary side braces for bracing the main shell, thus effecting a material saving in the cost of the boiler besides reducing its weight.
- the boiler is also rendered much more accessible for cleaning than where the ordinary construction is used. Being stronger than the ordinaryconstruction it follows that the boiler is well adapted for generating steam at high pressure.
- the flanged plates 25, which close the bottoms of the legs, are turned with their flanges downward and outward, Fig. 7.
- the rivets 26 are wholly exterior, easily inserted, and no obstruction is offered on the inside for cleaning.
- cylinder A may end at the tube-sheet 7and that the inelosed space back of said tube-sheet may constitute a combustion-chamber. This will be apparent to any boilermaker and will not require illustration.
- a steam-boiler having a combustionchamber 9 in its rear end, water-legs 14 at the sides, a cylindrical water-drum 19, extending across and its interior communicating with the interiors of said side water-legs, and water-tubes 20 extending from said drum back to the said chamber 9 and entering the rear tube-sheet of the boiler th'ereat, substantially as set forth.
- the combination with the cylinder A having flues opening at the rear into a combustion-chamber 9, the said chamber connecting with the fire-box, the fire-box, the grate or fire-bed therein, the side water-legs, communicating with the waterspace of the cylinder, the transversely-arranged water-drum 19, forming a bridge-wall back of the tire-bed and communicating at its ends with the respective water-legs, and the water-tubes 20, extending from said drum back through the combustion-chamber and communicating with the water-space in the cylinder, substantially as set forth.
- a steam-boiler having side water-legs 14, a transverse drum forming a bridge-wall and communicating with said side water-legs atits ends, and a manhole in the outer face of the water-leg opposite the end of said drum, substantially as set forth.
Description
No. 626,|l8. Patented May 30, I899.
R. WHITE.
STEAM BOILER.
(Application filed Jan. 20, K898.) (N0 Model.) 2 Sheets-Sheet l.
on Oooocooooonnooooccoooo ooouco an no WITNESSES: v INVENTOR fzm/W MS/M Oat/Mi 4Q BY g E v ATTORNEY m: NORRIS PETERS 00., wnc'rcxumou wasnmorc n, o. c.
N0. 626,|l8. Patented May 30, I899. R. WHITE.
STEAM BOILER.
(Application filed Jan. 20, 1898.)
(No Model.) 2 Sheets-Sheet 2. ZZQ J. 155976? .H
WITNESSES:
1,70% INVENTOR ,W E/ZJZL ATTORNEY m: Norms PETERS c0. Pam-ammo" WASHINGTON. u, c.
villi/111110 U ITED STATES PATENT OFFICE.
ROBERT WHITE, OF NEW YORK, N. Y.
STEAM-BOILER.
SPECIFICATION forming part of Letters Patent No. 626,118, dated May 30, 1899.
Application filed January 20, 1898. Serial No. 667,281. (No model.)
To aZZ whmn it may concern:
Be it known that I, ROBERT WHITE, a citizen of the United States, residing in the borough of Brooklyn, in the county of Kings and city and State of New York, have invented certain new and useful Improvements in Steam- Boilers, of which the following is a specification.
This invention relates to the class of return-flue boilers; and the object of the invention is to provide a boiler of relatively cheap construction, great strength, relatively great steaming capacity, and one which has less weight than ordinary boilers of the same class. These objects are obtained partly from the special construction of the boiler, whereby strength and lightness are attained, together with facility for cleaning the boiler, and partly from means which will be hereinafter described for increasing the heating-surface of the boiler. v
In the accompanying drawings, which ill ustrate an embodiment of theinvention, Figure 1 is a side view of the boiler, the front portion at the left being in side elevation and the rear portion in longitudinal vertical midsection. Fig. 2 is a horizontal section in the plane of linew in Fig. 1. Fig. 3 is a Vertical transverse section in the plane of line 00 in Fig. 1, looking to the rear. Fig. 4 is a vertical section in the plane of the line m looking to the front. Fig. 5 is a fragmentary sectional View showing how the pipes 20 may extend up through the roof-plate 12 instead of forward through the tube-sheet 7. Fig. 6 is a View similar to Fig. 3, illustrating the application of the invention to a battery of boilers. tom of the water-leg.
In general the boiler has the well-known wagon shape or form, being rectangular in plan, vertical at its sides and ends, and arched or semicircular in form at the top. The products of combustion pass back and up to the rear tube-sheet, enter the tubes or fiues at their rear ends, fiow toward the front through the tubes, and pass thence into the breeching and to the stack.
The outer shell of the boiler has an upright front plate 1, an upright back plate 2,
Fig. 3, the pendent convex heating-surface 5 over the fire-box B. The cylinderAextends from the front plate back to the back plate 2 as c to its upper half; but at its rear end it is cut away at the under side up to near its axis, so
that the whole or complete cylinder terminates at the rear tube-sheet 7. There is a double vertical wall about the entire lower part of the structure, formed by an outer and inner shell, the said inner shell comprising the inner back plate 8, the inner side plates 10, and the inner front plate 11. These inner and outer plates form water walls or legs 14. Between the inner back plate 8 and the rear tube-sheet 7 is a combustion-chamber, which is closed in above by a roof-plate or crownsheet 12. The inner side plates 10 extend up to meet the roof-plate 12 from the tube-sheet 7 back to the plate 8; but from the inner front plate 11 back to the tube-sheet 7 (Where the full or complete cylinder A terminates) these plates are curved inward to form arched angle-plates 13, which extend to and are riveted to the cylinder A. Preferably the arched plates 13 are integral with the plates 10; but they might be constructed separately and riveted to the upper edges of said plates 10.
The water-legs are stayed in the usual manher, and at the points w in Fig. 3 where spandrel water-spaces are formed along the sides between'the upright outer side plates 3 and the arched plates 13' the stays 13 extend across, as shown, from the outer side Walls to the curved plates within, thus strengthening all of the parts perfectly with short stays. Nostays are needed in the cylinder A among the tubes and none are used, thus giving room for a closer arrangement of the tubes 6 than can be ordinarily employed.
To connect the water-spaces within the cylinder A with that in the water-legs 14, and thus provide the proper circulation,apertures are formed in the cylinder A at y, Fig. 3, below the points where the outer side plates 3 are riveted thereto.
' The construction described forms a combustion-ohamber 9, Fig. 1, back of the rear tube-sheet 7, into which the hot gases rise and flow into the rear ends of the tubes 6 in the cylinder A, passing thence forward to the breeching 16, and from it to the stack or uptake 17.
In the fire-box B is the usual grate or firebed 18,and back of same and. forming abridgewall therefor is a transversely-arranged waterdrum 19, which is fixed at its ends in the inner side plates 10, so that itsinterior connects directly with the side water-legs.
From the drum 19 water-tubes 20 extend back, upwardly, and thence forward through the rear tube-sheet 7, opening into the waterspace above the tubes 6.
The drum 19 and tubes 20 extend the heating-surface of the boiler very greatly, and so increase its steaming capacity. As here shown, there are two tiers or sets of the tubes 20, but there may be one or more sets of such tubes. In the side walls of the boiler-shell there is a manhole 21 opposite the end of the drum 19, in order to afford access for cleaning it and inspecting its interior.
The four corners of the outer shell of the boiler are rounded, as best seen in Fig. 2, to impart strength and avoid the necessity of corner-stays; and this rounding is also extended over the arch of the boiler at the front and back, as seen in Fig. 1.
Back of the drum 19 the lower and relatively ineffective part of the combustionchamber 9 maybe cut off by a horizontal plate 22, but this is not essential to the invention.
On the top of the cylinder A is the ordinary steam-dome 23, and in the boiler-front is the usual charging-door 24.
Instead of carrying the tubes 20 forward through the tube-sheet 7 they may extend directly upward through the plate 12, as shown in Fig 5.
This boiler is well adapted for use in battery, as illustrated in Fig. 6, where two boilers are represented as arranged side by side. This form is especially useful under circumstances where a high boiler cannot be used, as on some vessels. In that case the cylinders A may be reduced in diameter and two or more boilers placed side by side.
It will be readily understood by those skilled in the art that the employment of the cylindrical shell A, its lower part forming the furnace-crown, avoids the use of braces or ties from the furnace-crown to the arched top sheet of the boiler and also the use of the ordinary side braces for bracing the main shell, thus effecting a material saving in the cost of the boiler besides reducing its weight. The boiler is also rendered much more accessible for cleaning than where the ordinary construction is used. Being stronger than the ordinaryconstruction it follows that the boiler is well adapted for generating steam at high pressure.
As there are no braces or stays in the main portion of the cylinder, opportunity is given for inserting more tubes 6 than could otherwise be employed, as before stated.
In order to facilitate the riveting in the process of construction and to facilitate the cleaning of the water-legs 14 by avoiding interiorly situated rivet heads and calking edges, the flanged plates 25, which close the bottoms of the legs, are turned with their flanges downward and outward, Fig. 7. Thus the rivets 26 are wholly exterior, easily inserted, and no obstruction is offered on the inside for cleaning.
It will be obvious that the cylinder A may end at the tube-sheet 7and that the inelosed space back of said tube-sheet may constitute a combustion-chamber. This will be apparent to any boilermaker and will not require illustration.
Having thus described my invention, I claim- 1. A steam-boiler having a combustionchamber 9 in its rear end, water-legs 14 at the sides, a cylindrical water-drum 19, extending across and its interior communicating with the interiors of said side water-legs, and water-tubes 20 extending from said drum back to the said chamber 9 and entering the rear tube-sheet of the boiler th'ereat, substantially as set forth.
2. In a steam-boiler, the combination with the cylinder A, having flues opening at the rear into a combustion-chamber 9, the said chamber connecting with the fire-box, the fire-box, the grate or fire-bed therein, the side water-legs, communicating with the waterspace of the cylinder, the transversely-arranged water-drum 19, forming a bridge-wall back of the tire-bed and communicating at its ends with the respective water-legs, and the water-tubes 20, extending from said drum back through the combustion-chamber and communicating with the water-space in the cylinder, substantially as set forth.
3. In a return-flue steam-boiler having side water-legs, the combination with the said water-legs, of a water-drum 19, extending transversely of the combustion-chamber back of the fire-bed and communicating at its respective ends with the water-legs, and a series of water-tubes 20, extending from said drum rearward and upward back of the rear tubesheet of the boiler and thence forward and through the said tube-sheet above the tubular fines, substantially as set forth.
4. A steam-boiler having side water-legs 14, a transverse drum forming a bridge-wall and communicating with said side water-legs atits ends, and a manhole in the outer face of the water-leg opposite the end of said drum, substantially as set forth.
In witness whereof I have-hereunto signed my name, this 18th day of January, 1898, in the presence of two subscribing witnesses.
ROBERT \VIIITE.
Witnesses:
HENRY CONNETT, PETER A. Ross.
Publications (1)
Publication Number | Publication Date |
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US626118A true US626118A (en) | 1899-05-30 |
Family
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US626118D Expired - Lifetime US626118A (en) | Dooooooooooooooo |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090126653A1 (en) * | 2005-01-05 | 2009-05-21 | Raymond Alexander Graves | Firebox boiler with reduced temperature variation |
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- US US626118D patent/US626118A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090126653A1 (en) * | 2005-01-05 | 2009-05-21 | Raymond Alexander Graves | Firebox boiler with reduced temperature variation |
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