US717931A - Steam-boiler. - Google Patents

Steam-boiler. Download PDF

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Publication number
US717931A
US717931A US9780902A US1902097809A US717931A US 717931 A US717931 A US 717931A US 9780902 A US9780902 A US 9780902A US 1902097809 A US1902097809 A US 1902097809A US 717931 A US717931 A US 717931A
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boiler
drums
series
steam
drum
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US9780902A
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Charles R Sayre
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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

Definitions

  • the invention has for its object to provide a boiler having a large surface of heating area and a quick circulation of the Water due to the construction of said boiler.
  • a further object of the invention is to make a boiler simple in construction, cheap in first cost, readily of repair, safe in use, and economical in fuel.
  • the invention consists of a central main vertical drum having steam and Waterspaces.'
  • This drum is surrounded by one or more series of drums or fiat corrugated independent sections, each of said sections being independently connected to the water and steam spaces of the main or central drum, the outer series being placed close together to form a wall to conduct the heat to the top of the boiler, all the sections beingimmediately in contact With the heat of the furnace, the-said outer Wall series being connected with the y Water fire-box and the central drum through which circulation is established.
  • Figure 1 shows a vertical section of my boiler and its casing and connection.
  • Fig. 2 is a horizontal section through line X X in Fig. l;
  • Fig. 3 a perspective view of the corrugated fire-box with part broken away.
  • Fig. 4 is a view of one of the smaller corrugated drums or sections.
  • A represents the central or main drum
  • B B the smaller ilat corrugated drums.
  • These drums are arranged in spaces concentrically around the main drum and are connected thereto near their top and bottom by the tubes a.
  • a the outer series of drums, which form the wall, being connected to the main drum near its ends, and each section of tubes of the inner series are connected to the main drum between these points.
  • the main drum is provided with heads c c, which aresecured by through-bolts b, and to the top head is secured the steam-pipe O.
  • the deiiector D which is conical in form and inverted, the upper edge d of which is curved to form a lip and is located above the uppermost ends of tubes a a to prevent any Water accumulating in the defiector.
  • a hole fis provided in the bottom, which forms au eddy to cause thewater to separate from the steam.
  • the outer series of smaller drums are so ⁇ connected to the main drum that they will be in contact with each other, and thereby form a Wall for the furnace aud between it and the boiler-covering, forming a doWndraft-lue.
  • the smaller drums may be of any form
  • the outer series of sections which form the ⁇ Wall of the furnace, rest upon the water corrugated fire-box E and are free to permit the expansion and contraction.
  • a number of the sections in the series are connected to the firel box by the pipes e e to permit the feed-Water.
  • ⁇ Which enters the pipe F, to pass into the Wa ter fire-box and which is a preliminary heater for the Water entering all the drums or sections and also for circulation.
  • the usual blow-oi may beused.
  • v'Ihe Water fire-box Valso serves for a mudfdrum.
  • annular ⁇ plate l which lits around the outer circle of tubes or sections and about, against, and held in place by the outer casing.
  • the plate l horizontally divides the space occupied by the outer sections and the casing and permits the lower ends of outer section on both of their sides to be in direct contact with the heat of the furnace and also compels the heated gases to pass up between the sections and around, over, and'down the outside of the outer section to the uptake.
  • the boiler is provided with a casing G, which may be made of any non-conducting IOO covering.
  • the Water fire-box has four feeding-doors, but may have a more or less number, if desired.
  • the openings h for these doors pass over the Waterspace of the fire-box, the upper portion of which is formed of a sharp bevel or inclined all around its periphery for the purpose of forming a coking-chamber, by means of which the green gases are extracted from the coal and passing over the incandescent Haine are consumed, thus consuming all the gases as Well as preventing ⁇ smoke.
  • the magazine coal-feeding openings are provided With properly-arranged doors.
  • a iiange or rim .I is formed around the top of the fire-box for the reception of the casing.
  • This rim may be dispensed With and the fire-box terminate in knife-edge form, the bosses 7c being s ufcient to bear the Weight of the boiler when connected by union or well-known joints.
  • the edge of the outer casing Will coincide with the outer edge of the fire-box.
  • the smoke-pipe I for conveying off the smoke, the heat already having passed around and between the sections,as described.
  • the size of the boiler may be increased or diminished by adding or decreasing the number of sections; but in either case the outer row of drums or sections Will be placed edge to edge to form the Wall Should any water be carwhich between it and the casing forms the es@ cape-Hue for the smoke;

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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)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Description

PATENTED JAN. 6, 1903.
C. R. SAYRB.
STEAM BOILER. APPLICATION FILED'MAB. 12. 1902.
2 SHEETS-SHHET 1f N0 MODEL.
, gli
THE Nonms mens oo. Pnoourno.. WASI-unam", D4 C PATENTED JAN. 6, 1903.
C. R. SAYRE'. STEAM BOILER.y APPLIoATIoN FILED un. 151902.
2 SHEETS-3115m- 2.
N0 MODEL.
grens co.. maro-urna. wnsumcmnu. u. c.
UNITED STATES PATENT OFFICE.
CHARLES R. SAYRE, OF HAMPTON, VIRGINIA.
STEAM-BOILER.
SPECIFICATION forming part of Letters Patent No. 717,931, dated January 6, 1903. Application filed March 12, 1902. Serial No. 97,809. (No model.)
To @ZZ whom it may concern-.-
Be it known that I, CHARLES R. SAYRE, a citizen of the United States, residing at Ham pton, iu the county of Elizabeth City and State of Virginia, have invented certain new and useful Improvements in Steam-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 make and use the same.
The invention has for its object to provide a boiler having a large surface of heating area and a quick circulation of the Water due to the construction of said boiler. i
A further object of the invention is to make a boiler simple in construction, cheap in first cost, readily of repair, safe in use, and economical in fuel.
The invention consists of a central main vertical drum having steam and Waterspaces.'
This drum is surrounded by one or more series of drums or fiat corrugated independent sections, each of said sections being independently connected to the water and steam spaces of the main or central drum, the outer series being placed close together to form a wall to conduct the heat to the top of the boiler, all the sections beingimmediately in contact With the heat of the furnace, the-said outer Wall series being connected with the y Water lire-box and the central drum through which circulation is established.,
In the accompanying drawings, Figure 1 shows a vertical section of my boiler and its casing and connection. Fig. 2 is a horizontal section through line X X in Fig. l; Fig. 3, a perspective view of the corrugated fire-box with part broken away. Fig. 4 is a view of one of the smaller corrugated drums or sections.
The same letters of reference indicate the same part in all the figures of the drawings.
In the drawings, A represents the central or main drum, and B B the smaller ilat corrugated drums. These drums are arranged in spaces concentrically around the main drum and are connected thereto near their top and bottom by the tubes a. a, the outer series of drums, which form the wall, being connected to the main drum near its ends, and each section of tubes of the inner series are connected to the main drum between these points.
The main drum is provided with heads c c, which aresecured by through-bolts b, and to the top head is secured the steam-pipe O.
Within the steam-space of the main drum is the deiiector D, which is conical in form and inverted, the upper edge d of which is curved to form a lip and is located above the uppermost ends of tubes a a to prevent any Water accumulating in the defiector. A hole fis provided in the bottom, which forms au eddy to cause thewater to separate from the steam.
The outer series of smaller drums are so `connected to the main drum that they will be in contact with each other, and thereby form a Wall for the furnace aud between it and the boiler-covering, forming a doWndraft-lue.
The smaller drums may be of any form;
but I prefer to make them in one piece or cast y and approximately at and being corrugated on both sides, thereby presenting a greater amount of heating-surface in proportion to the space which they occupy.
The outer series of sections, which form the `Wall of the furnace, rest upon the water corrugated fire-box E and are free to permit the expansion and contraction. A number of the sections in the series are connected to the firel box by the pipes e e to permit the feed-Water. `Which enters the pipe F, to pass into the Wa ter fire-box and which is a preliminary heater for the Water entering all the drums or sections and also for circulation. The usual blow-oimay beused. v'Ihe Water lire-box Valso serves for a mudfdrum.
Some distance over the fire-box I'locate an annular `plate l, which lits around the outer circle of tubes or sections and about, against, and held in place by the outer casing. The plate l horizontally divides the space occupied by the outer sections and the casing and permits the lower ends of outer section on both of their sides to be in direct contact with the heat of the furnace and also compels the heated gases to pass up between the sections and around, over, and'down the outside of the outer section to the uptake.
The boiler is provided with a casing G, which may be made of any non-conducting IOO covering. It will be observed that the Water fire-box has four feeding-doors, but may have a more or less number, if desired. The openings h for these doors pass over the Waterspace of the lire-box, the upper portion of which is formed of a sharp bevel or inclined all around its periphery for the purpose of forming a coking-chamber, by means of which the green gases are extracted from the coal and passing over the incandescent Haine are consumed, thus consuming all the gases as Well as preventing` smoke. Of course the magazine coal-feeding openings are provided With properly-arranged doors. It will also be observed that a iiange or rim .I is formed around the top of the fire-box for the reception of the casing. This rim may be dispensed With and the lire-box terminate in knife-edge form, the bosses 7c being s ufcient to bear the Weight of the boiler when connected by union or well-known joints. In this case the edge of the outer casing Will coincide with the outer edge of the lire-box.
In the lower part of the casing` near the fire-box is the smoke-pipe I for conveying off the smoke, the heat already having passed around and between the sections,as described.
From the foregoing description the operation of the boiler will be readily understood. The iire being started, the outer series of drums forming the furnace-Wall will cause the heat from the lire to ascend around and above all the sections andto the top of drums and surrounding the same, and then aft-er passing down between the outer sides otl the outer series of drums or sections and casing to the smoke-pipe I, the outer series of sections and the inner side of the casing forming a iiue, the heat Will cause the water to circulate from the bottom of the main drum through the smaller drums to the top of the main drum, permitting the free escape of steam and keeping an even temperature of Water in the boiler. ried through the upper pipes ct during the circulation or escape of steanrfrom the smaller sections of drums, it will come in contact With deflectorD, separatingit from the steam, thus prevent-ing it from being carried off with the steam as it passes out of pipe C. It will be seen that the boiler can be used for a hot- Water boiler, as the Water can pass up through pipe C to the heating system and back from the same through pipe F. Of course the delector Would not be needed in that event.
It will be observed that the size of the boiler may be increased or diminished by adding or decreasing the number of sections; but in either case the outer row of drums or sections Will be placed edge to edge to form the Wall Should any water be carwhich between it and the casing forms the es@ cape-Hue for the smoke;
Having thus described my invention, what I claim isl. In a steam-boiler the combination of a central drum With a concentric series of smaller drums or sections, each drum of the series being connected at the top and bottom to the central drum and the outer series forming the Wall of the furnace.
2. In a steam-boiler the combination of a central drum With a concentric series of smaller drums, each drum of the series being connected at the tops and bottom to the central drum and a Water fire-box the outer series resting on the fire-box, and forming the Wall of the furnace.
3. In a steam-boiler the combination of a central drum with a concentric series, of smaller drums connected at the top and bottom to the central drum, and water fire-box the outer series of drums resting on the rebox, and connected to the same for circulation of the Water by one or more tubes.
4. In a steam-boiler the combination of a central drum with a concentric series ot smaller drums connected at the top and bottom to the central drum a Water lire-box the outer series ot' drums forming a Wall for the furnace for the lire-box, and resting on the same, and a water connection between some of the drums of the outer series and the Water fire-box.
5. In a steam-boiler the combination of a central drum with a concentric series of smaller drums, and a delector in the top of the central drum; each drum of the series connected at the top and bottom to the central drum by tubes; the upper edge of the deflector being above the upper tubes leading from the smaller drums.
6. In a steam-boiler the combination of a central drum with a concentric series of smaller drums each drum of the series being connected to the central drum, and a casing for the boiler, the outer series of drums forming a wall for the furnace, and With the casing forming a downdratt-iiue Jfor the boiler.
7'. In a steam-boiler the combination of a central drum with concentric series of smaller corrugated at drums, each drum of the series being connected at the top and bottom to the central drum and the outer series forming the Walls of the furnace.
In testimony Whereof I affix my signature in presence of two Witnesses.
CHARLES R. SAYRE. NVitnesses:
S. R. ADDISON,
J. S. PINKETTE.
US9780902A 1902-03-12 1902-03-12 Steam-boiler. Expired - Lifetime US717931A (en)

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