US465929A - Steam-boiler - Google Patents

Steam-boiler Download PDF

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US465929A
US465929A US465929DA US465929A US 465929 A US465929 A US 465929A US 465929D A US465929D A US 465929DA US 465929 A US465929 A US 465929A
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boiler
steam
fire
space
furnace
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B13/00—Steam 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
    • F22B13/02—Steam 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
    • F22B13/023—Steam 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
    • F22B13/026—Steam 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

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  • Patented Deo. 29, 1891 Patented Deo. 29, 1891.
  • the improvements embraced in this invention relate more particularly to portable steam-boilers of the upright kind; and the invention has for its object the production of a light, compact, and rapidly-generating boiler in parts or sections of convenient size and weight to be readily handled and transported, and so arranged and fitted together also as to be easily set up for use without the aid of specially-skilled workmen.
  • the improvements include certain novel construction and combination of inner and outer shells, with Water-tubes and partit-ions, as hereinafter explained, constituting the boiler proper.
  • Figure l of the drawings is a vertical section taken transversely through the boiler and fire-box.
  • Fig. 2 is a side elevation taken from the right-hand side of the boiler, with a portion of the outer shell broken away and the exposed part of the inner shell and circu-
  • Fig. 3 is a top view of the iire-box
  • Fig. 4i is a vertical section taken in a longitudinal direction through the center of the fire-box. In these two lastmentioned views the base of the boiler is shown in section.
  • the heads of the boiler are cast-metal plates, with circular grooves to receive the ends of the two shells and with central apertures for the iire and products from the furnace upon which the boiler stands.
  • the two heads are drawn together and held by a number of long 'bolts or rods with threaded ends for nuts, ex-
  • the outer shell is cylindrical and substantially of the same diameter from top to bottom; but the inner shell is flattened on two opposite sides for the full length of the shell, or for as much of the length as the tubes are placed. These flattened sides are parallel, and they constitute the tube-sheets, between which the tubes are set in close orderhorizontally across the tire-space.
  • This form of shell and arrangement of tubes afford suitable degree of strength and a large amount of heating-surface, besides giving facilities for cleaning and repairing in those cases of construction where the outer shell can be taken apart.
  • the base-plate of the boiler has a wide flange to bolt downupon the top plate of the furnace, andthrough the bottom is carried the blow-off aperture, although this outlet may quite as well be located in the side of the outer shell above the base-plate.
  • the furnace is formed of a sheet-metal body IOO and a cast-metal front plate inclosing the firebox of bricks or tiles, in the top of which thc fire-aperture is carried up through the outside sheet-metal top. Between the fire-box and the surrounding Walls an air-space is left not only beneath the grate-bars for an ashpit, but at the top, sides, and rear end of the furnace for air-heating spaces and also to 'receive a water-heating coil .of pipe.
  • Air is taken in through numerous small apertures provided in the top plate of the furnace, and by closing all other draft-openings after the fire is Well under way the air for combustion will be raised in temperature to a considerable degree before entering the fire-box.
  • the Water-heating coil is fixed in place between the sides of the fire-box and the surrounding furnace-body, with its ends leading outside and furnished with couplings for connecting the Water-supply pipe to one end and the feed-pipe of the boiler to the other end.
  • the grate-bars and the fire-box are supported by transverse bars or beams having their ends carried by ledges or projections on the inner sides of the furnace-plates. These supports also take the Water-heating coil.
  • a A are the sections that form the outer shell of the boiler.
  • D D' are the flange-joints of the inner and outer shells respectively.
  • E E are perpendicular partition-plates extending from the top of the steam-space down to a point below the Water-line and dividing the space in two parts, that are in communication With each other through the tubes.
  • F F are the horizontal partitions that divide these spaces on either side of the upright partitions and produce a circuitous passage through the steam-space from the Water-line up to the steam-outlet G at the top.
  • K K are the long bolts holding the heads in place.
  • h 7L 7l t' are the annular grooves in which the ends of the boiler-shells are set, and H I are the center apertures for the fire.
  • the top plate has the smoke-stack L fixed over this opening, While the brick-Work of the fire-box is carried up through the top plate of the furnace to take the base-plate H, the opening II of which corresponds with the forno of the lower end of the inner shell, as shown in the sectional view, Fig. 3.
  • M M are the Walls of the fire-box, and N are the grate-bars.
  • R S are the top plates, side plates, and back plate forming the body of' the furnace and inclosing the fire-box.
  • a bottom plate Il.X may be added to complete the metal body, or the side plates may be set direct-ly on a brick foundation, that will form the bottoni of the ash-pit.
  • T is the air-heating space around the firebox
  • TX TX are the air-inlet apertures in the top plate of the furnace.
  • U is the Water-heating coil
  • V V are the supports for the bricks or tiles of the firebox and for the grate-bars.
  • outer-shell sections With flange-joints, the inner-shell sections having flattened sides and horizontally-disposed tubes, With liangejoints to unite one section to the other, the heads which are adapted to take the ends of the inner and outer shells, and long bolts or fastenings that draw the tivo heads into place, substantially as dcscribed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)

Description

2 Sheets-Sheet 1.
(No Model.)
A. HEI-BEBER.
- STEAM BOILER.
Patented Dec. 29, 1891.
mi onlus Pzrtns co., mow-uma., wAsNmGYaN, nA c.
(No Model.) I 2 sheets-sheet 2. A. HEBERER.
STEAM BOILER.
Patented Deo. 29, 1891.
Inventur 1m'. News versus cn., www-Limo.. wAsmNGvoN, n. c.
, lating-tubes shown in section.
rrED STATES ADAM HEBERER, OF ALAMEDA, CALIFORNIA.
sT'EAM-BolLER.
SPECIFICATION forming part of Letters Patent No. 465,929, dated December 29,1891. Application filed March 6, 1889- Serial No. 302,168. (No model.)
To a/ZZ whom it may concern:
Be it known that I, ADAM HEBERER, a citizen of the United States, residing in Alameda, in the county of Alameda and State of California, have invented certain new and useful Improvements in Steam-Boilers, of which the following is a specification."
The improvements embraced in this invention relate more particularly to portable steam-boilers of the upright kind; and the invention has for its object the production of a light, compact, and rapidly-generating boiler in parts or sections of convenient size and weight to be readily handled and transported, and so arranged and fitted together also as to be easily set up for use without the aid of specially-skilled workmen.
The improvements include certain novel construction and combination of inner and outer shells, with Water-tubes and partit-ions, as hereinafter explained, constituting the boiler proper.
The following description explains the nature of these improvements and the manner in which l have constructed, produced, and applied them in carrying out my said invention, reference being had to the accompanying drawings, that form part of this specification.
Figure l of the drawings is a vertical section taken transversely through the boiler and fire-box. Fig. 2 is a side elevation taken from the right-hand side of the boiler, with a portion of the outer shell broken away and the exposed part of the inner shell and circu- Fig. 3 is a top view of the iire-box, and Fig. 4i is a vertical section taken in a longitudinal direction through the center of the fire-box. In these two lastmentioned views the base of the boiler is shown in section.
Similar letters of reference in the several v figures of the drawings indicate correspondlarl y and horizontally, to produce a circuitous route or passage for the steam from the lower part to the upper part of this space, where the steam outlet is to be located.
The heads of the boiler are cast-metal plates, with circular grooves to receive the ends of the two shells and with central apertures for the iire and products from the furnace upon which the boiler stands. The two heads are drawn together and held by a number of long 'bolts or rods with threaded ends for nuts, ex-
tending from one head to the other through the space between the two shells. A stack or chimney is fixed over the center opening in the top plate, and the similar opening in the base'plate registers with an aperture of the saine size in the top of the furnace, the location of which aperture is somewhat to the rear of the middle portion of the furnace-top. The outer shell is cylindrical and substantially of the same diameter from top to bottom; but the inner shell is flattened on two opposite sides for the full length of the shell, or for as much of the length as the tubes are placed. These flattened sides are parallel, and they constitute the tube-sheets, between which the tubes are set in close orderhorizontally across the tire-space. This form of shell and arrangement of tubes afford suitable degree of strength and a large amount of heating-surface, besides giving facilities for cleaning and repairing in those cases of construction where the outer shell can be taken apart.
The base-plate of the boiler has a wide flange to bolt downupon the top plate of the furnace, andthrough the bottom is carried the blow-off aperture, although this outlet may quite as well be located in the side of the outer shell above the base-plate.
The furnace is formed of a sheet-metal body IOO and a cast-metal front plate inclosing the firebox of bricks or tiles, in the top of which thc fire-aperture is carried up through the outside sheet-metal top. Between the fire-box and the surrounding Walls an air-space is left not only beneath the grate-bars for an ashpit, but at the top, sides, and rear end of the furnace for air-heating spaces and also to 'receive a water-heating coil .of pipe.
Air is taken in through numerous small apertures provided in the top plate of the furnace, and by closing all other draft-openings after the fire is Well under way the air for combustion will be raised in temperature to a considerable degree before entering the fire-box.
The Water-heating coil is fixed in place between the sides of the fire-box and the surrounding furnace-body, with its ends leading outside and furnished with couplings for connecting the Water-supply pipe to one end and the feed-pipe of the boiler to the other end.
The grate-bars and the fire-box are supported by transverse bars or beams having their ends carried by ledges or projections on the inner sides of the furnace-plates. These supports also take the Water-heating coil.
In the the several figures of the drawings, A A are the sections that form the outer shell of the boiler.
B B are the sections of the inner shell,and
5 B the iiattened sides, in which the ends of the tubes C C are fixed.
D D' are the flange-joints of the inner and outer shells respectively.
E E are perpendicular partition-plates extending from the top of the steam-space down to a point below the Water-line and dividing the space in two parts, that are in communication With each other through the tubes.
F F are the horizontal partitions that divide these spaces on either side of the upright partitions and produce a circuitous passage through the steam-space from the Water-line up to the steam-outlet G at the top.
II I are the two plates that form the heads of the boiler, and K K are the long bolts holding the heads in place.
h 7L 7l t' are the annular grooves in which the ends of the boiler-shells are set, and H I are the center apertures for the fire. The top plate has the smoke-stack L fixed over this opening, While the brick-Work of the fire-box is carried up through the top plate of the furnace to take the base-plate H, the opening II of which corresponds with the forno of the lower end of the inner shell, as shown in the sectional view, Fig. 3.
M M are the Walls of the fire-box, and N are the grate-bars.
P is the front plate of the furnace, having fuel and draft openings furnished With the necessary doors, and R S are the top plates, side plates, and back plate forming the body of' the furnace and inclosing the fire-box. A bottom plate Il.X may be added to complete the metal body, or the side plates may be set direct-ly on a brick foundation, that will form the bottoni of the ash-pit.
T is the air-heating space around the firebox, and TX TX are the air-inlet apertures in the top plate of the furnace.
U is the Water-heating coil, and V V are the supports for the bricks or tiles of the firebox and for the grate-bars.
Connection for the Water-supply pipe with the heater is seen at W, Figs. l and 3, and for the feed-pipe of the boiler with the heater at Y outside the furnace. The necessary gages, cocks, and valves are also provided, and a blow-off Z at the bottom of the Water-space is carried to the outside and furnished with a suitable cock. All the joints can be thoroughly packed.
As thus constructed it will be seen that the parts. can be made of convenient size for ready transportation in an unsettled country and are easily set up and put together by a person of ordinary skill. In addition to these features the boiler has great heating capacity, is free from danger of exploding, can be readily repaired and kept in order, and will be found to possess considerable economy in the use of fuel.
Having thus fully described my invention, what I claim, and desire to secure by Letters Patent, is-
l. rlhe herein-described boiler having annular steam-generating space and central firespace and consisting of an outer cylindrical shell, an inner shell` with flattened sides and horizontally-disposed tubes, the heads with grooves to take the ends of the outer and inner shells, central apertures for passage of the fire and products of combustion, and the long bolts or rods taking through both heads,
Aas herein set forth.
2. The combination of outer-shell sections, With flange-joints, the inner-shell sections having flattened sides and horizontally-disposed tubes, With liangejoints to unite one section to the other, the heads which are adapted to take the ends of the inner and outer shells, and long bolts or fastenings that draw the tivo heads into place, substantially as dcscribed.
3. In an upright boiler, the combination of outer shell A, inner shell B, with horizontallydisposed circulating-tubes C C, and the perpendicular and horizontal partitions E F, dividing the annular steam-space, as described.
.4. In lan upright boiler of the kind described, the combination of an inner and an outer shell producing an annular stean1-gen erating space, horizontally-disposed generating-tubes extending through the inner shell across the fire-space, and vertical partitions set opposite to cach other and dividing the steam-generating space, as set forth.
IOO
IIO
5. n an upright boiler having a central In testimony that I claim the foregoing I fire-space, the combination of an outer and have hereunto setmyhand and seal. an inner shell, tubes extending` across the fire-space and passing through the inner ADAM HEBERER. [L. s] 5 shell, and horizontal partitions between said lVitneSses:
n outer and inner shells, as and for the purpose J OS. E. FORD,
' set forth. CHAs. E. KELLY.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150034024A1 (en) * 2013-07-30 2015-02-05 Aera Energy Llc Radiant to convection transition for fired equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150034024A1 (en) * 2013-07-30 2015-02-05 Aera Energy Llc Radiant to convection transition for fired equipment
US9939149B2 (en) * 2013-07-30 2018-04-10 Pcl Industrial Services, Inc. Radiant to convection transition for fired equipment

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