US660506A - Water-tube boiler. - Google Patents
Water-tube boiler. Download PDFInfo
- Publication number
- US660506A US660506A US549400A US1900005494A US660506A US 660506 A US660506 A US 660506A US 549400 A US549400 A US 549400A US 1900005494 A US1900005494 A US 1900005494A US 660506 A US660506 A US 660506A
- Authority
- US
- United States
- Prior art keywords
- water
- drum
- headers
- boiler
- nipples
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/104—Connection of tubes one with the other or with collectors, drums or distributors
Definitions
- This invention has reference to improvements in and relating to Water-tube boilers, the object of the invention being to oheapen and simplify the manufacture of such boilers by dispensing Awith the usualcrossLboxes connecting the tube-headers with the steam and water drum and with the necessity for sinuw ous-shaped headers for staggering the watertubes to direct the fire-gases in a sinuous course among these.
- Figure l of the drawings is a sectional View, taken lengthwise,of a boiler constructed with the above-mentioned object.
- Fig. 2 is a seotional view similar at right angles to Fig. 1.
- Fig. 3 is a sectional View similar to Fig?, but showing a slightly-different method of directing the tire-gases in a sinuous course among the water-tubes.
- Fig. 4 is a sectional View, to a larger scale, laken across the steam and water drum, showing the method of connecting the headers with the dished portions of the steam and water drum in a boiler having nine sections of tubes in the Width of the boiler.
- Figs. 5 and 6 are similar views to Fig.
- Fig. 7 is a sectional view of the hand-hole fittings.
- Fig. 8 is a View, to a larger scale, showing the method of joining and butt-strapping the drum at the dished portion of the same.
- creased portion extend vertically or approximately vertically from the outer circumference of the drum A inward within said drum, cutting it for a certain distance inward transversely in two planes, the inner ends of these sides B having a horizontal portion B. extending between them, as shown by the various The horizontal portion B of the crease forms a chord to that arc of the drum from which the crease starts and is subtended by this arc, which joins its extremities, and into this portion B nipples O are expanded, as also into headers D, of rec-,
- the header D is recessed on its onterside around the hand-hole H to receive a rin;y L, of copper or other soft 1uetal,and the bearing-face of the cap J has a valvering face J' formed ou it, which bears upon the copper or other ring L when the CapJ is screwed up,4 thereby forming a Watertight joint.
Description
nu. 660,506. Patented 066:23, |900.
w. D. HAMILTON.A
WATER TUBE BDILEB.
' edF .16 90 No. 660,506. Patented Oct. 23, |900.
W. D. HAMILTON.
WATER TUBE BUILER.
(Application led Feb. 18. 1900.)
(Nolodel.) 4 Sheets-Sheet 2.
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-4 sheets-sheet a.
(N0 Muriel.)
No. 660,506. Patented oct. 23, |900.
w. 0. HAMILTUN.
WATER TUBE BOILEB.
(Application filed Feb. 18, 1900,) (No Model.) 4 Sheets-Sheet 4.
UNITED STATES t PATENT OEE-ICE.
WILLIAM D. HAMILTON, OF BEARSDEN, SCOTLAND.
WATER-TUBE BOILER.
SPECIFICATION formingpart of Letters Patent No. 660,506, dated October 23, 1900.
Application led February 16,1900. Serial No. 5,494. No model.)
T0 all whom t nto/,y concern:
Be it known that I, WILLIAM DAVID HAM- IL'ION, a citizen of the United Kingdom of Great Britain and Ireland, residing at Campsie View, Bearsden, Scotland, have invented certain new and useful Improvements in and Relating to Water-Tube Boilers, of which the following is a specification.
-This invention has reference to improvements in and relating to Water-tube boilers, the object of the invention being to oheapen and simplify the manufacture of such boilers by dispensing Awith the usualcrossLboxes connecting the tube-headers with the steam and water drum and with the necessity for sinuw ous-shaped headers for staggering the watertubes to direct the fire-gases in a sinuous course among these.
The appended drawings, together with the following specification, fully describe the nature and object of my invention.
Figure l of the drawings isa sectional View, taken lengthwise,of a boiler constructed with the above-mentioned object. Fig. 2 is a seotional view similar at right angles to Fig. 1. Fig. 3 is a sectional View similar to Fig?, but showing a slightly-different method of directing the tire-gases in a sinuous course among the water-tubes. Fig. 4 is a sectional View, to a larger scale, laken across the steam and water drum, showing the method of connecting the headers with the dished portions of the steam and water drum in a boiler having nine sections of tubes in the Width of the boiler. Figs. 5 and 6 are similar views to Fig. 4, but showing only eight and six sections of tubes, respectively, in the width of the boiler. Fig. 7 is a sectional view of the hand-hole fittings. Fig. 8 is a View, to a larger scale, showing the method of joining and butt-strapping the drum at the dished portion of the same.
In that part of my invention relating to the connection of the headers with the steam and water drum A instead of, as is ordinarily practiced, dishing the under shell of the drum A at each end thereof outward and downward or making a separate cross-box of correspond ing shape and riveting the same over an opening in the under side of the drum I dish said under portion inward entirely within the drum by a simple crease. The sides B of the figures of the drawings.
creased portion extend vertically or approximately vertically from the outer circumference of the drum A inward within said drum, cutting it for a certain distance inward transversely in two planes, the inner ends of these sides B having a horizontal portion B. extending between them, as shown by the various The horizontal portion B of the crease forms a chord to that arc of the drum from which the crease starts and is subtended by this arc, which joins its extremities, and into this portion B nipples O are expanded, as also into headers D, of rec-,
tangular cross-section, intowhich the watertubes E, situated in the combustion-chamber E of the boiler, are expanded. Thus in a boiler having six sections of tubes in its width, as shown at Fig. 6, the four central nipples C extend in straight lines from the dished portion of the drum A to the headers D, and the outer nipples at either side are expanded through the curved drum-shell, at right angles thereto, being irst bent in order that they may enter their headers D at the proper angles. By the method ofconneeting the nipples O to the creased horizontalportion B' and the curved portion of the drum-v shell A the outer bent nipples are rendered more accessible than the outer nipples in any outwardly-dished cross-box, and in order to4 admit of the dishing of the steam and Water drum shell A being done in a thorough practical manner those portions of the shell at the frontand rear which are to be dished are each made of two plat-es, buttstrapped at their meeting ends, as shown particularly at Fig. 8. Referring to that portionof my invention .relating to the shape of the headers D, I make these of rectangular cross-section and straight throughout their length instead of sinuous, as heretofore practiced, thus dispensing-with the necessity for using collapsible mandrels and avoiding thel expense and waste of `time in manipulation entailed by such. mandrels, and in order to direct the tire-gases among the water-tubesE in a sinuous course I place at intervals in the manner shown at Figs. 2 and 3 over these watertubes E fire-bricks F, extending lengthwise of the water-tubes, which act as bailes and have the effect of rows of tubes connected in sinuous-shaped headers. Between each row IOO of tubes hinged cleaning-doors G are iitted in the sidewalls atan angle toppen inwardly and arranged to close automatically when the steam cleaning-pipe is Withdrawn. Handholes H are also formed in the outer faces of the front and rear headers D opposite each tube for easy access. to the latter and are fitted with clamp and cap foi-gings I J, the head of the clamp I being inside the header D overlapping the'hand-hole H and the stein passing outward through the hand-hole to the outer side of the cap-.Lw-here it is secured by a cap-.nut K. The header D is recessed on its onterside around the hand-hole H to receive a rin;y L, of copper or other soft 1uetal,and the bearing-face of the cap J has a valvering face J' formed ou it, which bears upon the copper or other ring L when the CapJ is screwed up,4 thereby forming a Watertight joint. v
Haviugnow described lthe invention, .what I desire to secure by Letters Patent is i In a boiler, the combination, with a steamdrum lprovided with a crease on its under side which projects. wholly Within the drum, of headers arranged under the drum, straight nipples` secured in holes in the inner headers and in the bottom plate of the saidv crease, and nipples having curved portions at their upper endsand secured in holes in the outer headers and in the curved part of the shell of the drum at the ends of the said crease, substantially as set forth.
In witness whereof I have hereunto set my hand in presence of two Witnesses.
WM. D. HAMILTON.
Witnesses:
CHARLES BYARS, DAVID CAMPBELL.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US549400A US660506A (en) | 1900-02-16 | 1900-02-16 | Water-tube boiler. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US549400A US660506A (en) | 1900-02-16 | 1900-02-16 | Water-tube boiler. |
Publications (1)
Publication Number | Publication Date |
---|---|
US660506A true US660506A (en) | 1900-10-23 |
Family
ID=2729070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US549400A Expired - Lifetime US660506A (en) | 1900-02-16 | 1900-02-16 | Water-tube boiler. |
Country Status (1)
Country | Link |
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US (1) | US660506A (en) |
-
1900
- 1900-02-16 US US549400A patent/US660506A/en not_active Expired - Lifetime
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