US185171A - Improvement in sectional steam-generators - Google Patents

Improvement in sectional steam-generators Download PDF

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US185171A
US185171A US185171DA US185171A US 185171 A US185171 A US 185171A US 185171D A US185171D A US 185171DA US 185171 A US185171 A US 185171A
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generators
improvement
brick
sections
sectional steam
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B23/00Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilateral abutting connection with a boiler drum or with a header box, i.e. built-up from Field water tubes comprising an inner tube arranged within an outer unilaterally-closed tube
    • F22B23/04Water-tube boilers built-up from sets of spaced double-walled water tubes of return type in unilateral abutting connection with a boiler drum or with a header box, i.e. built-up from Field water tubes comprising an inner tube arranged within an outer unilaterally-closed tube the water-tube, i.e. Field-tube, sets being vertical or substantially vertical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23BMETHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B1/00Combustion apparatus using only lump fuel
    • F23B1/02Combustion apparatus using only lump fuel for indirect heating of a medium in a vessel, e.g. for boiling water
    • F23B1/04External furnaces, i.e. with furnace in front of the vessel
    • F23B1/06External furnaces, i.e. with furnace in front of the vessel for heating water-tube boilers, e.g. Tenbrink flue furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23BMETHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B2700/00Combustion apparatus for solid fuel
    • F23B2700/01Combustion apparatus for solid fuel adapted for boilers built up from sections

Definitions

  • My invention relates to that class of steamboilers which are formed in separate sections and bolted together; and has for its object such construction of it sectionul boilerns will give the greatest possible security against danage of any kind to, or leakage in, the
  • A are common cast-iron tubula-r boiler-sections, upon which, tat top and bottom of both sides, are formed rectanguler joints or pockets C, which branch far out laterally beyond the tubes, so as to be adapted to be completely embedded or inclosed in the side brick-Work of the furnace.
  • This invention consists in this lateral ex tension and position of the joints, and their formation into pockets adapted to be embedded in the surrounding brick-work, so as to be absolutely protected from the direct action of the flame, whereby the unequal expansion and contrac-tion of the sections at the joints and of their connecting-bolts, heretot'ore the great defect in boilers of this class, is obvi- ⁇ ated.
  • B is a horizontal stean-druin, with which the sections all communicate.
  • D is e brenching return pipe leading out from the bottom of the drum below the water-line, outside the brick-work, and connecting with the lower pockets.
  • E is the brick-work enveloping the pockets and inclosing the sections; F, the fire-box, and Gr the ash-pit.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices For Medical Bathing And Washing (AREA)

Description

- M. FOREMAN.
SECTIONAL STEAM GENERATOR.
I Ah:: 5
UNE rns MILTON FOBEMAN, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN SECTIONAL STEAM-GENERATORS.
Specificetion forming part of Letters Patent No. 185,l71, dated December 12,1876; application filed March 20, 1876.
To' all whom it may concern:
Be it known that I, MILTON FOREMAN, of the city and eounty of Philadelphia, in the State of Pennsylvanin, have invented certain new and useful Improvements in Sectionnl Tubular Boilers, of which I hereby declere the following to be a full, clear, and precise description, reference being had to the ecconpmying drawing, forming part of this specificzttion, in which Figur-e l is a section-al front elevation of my boiler set up in its brick-work, and Fig. 2 a side View of the sections With the brick-work removed.
i My invention relates to that class of steamboilers which are formed in separate sections and bolted together; and has for its object such construction of it sectionul boilerns will give the greatest possible security against danage of any kind to, or leakage in, the
joints.
With reference to the drawing, A are common cast-iron tubula-r boiler-sections, upon which, tat top and bottom of both sides, are formed rectanguler joints or pockets C, which branch far out laterally beyond the tubes, so as to be adapted to be completely embedded or inclosed in the side brick-Work of the furnace.
This invention consists in this lateral ex tension and position of the joints, and their formation into pockets adapted to be embedded in the surrounding brick-work, so as to be absolutely protected from the direct action of the flame, whereby the unequal expansion and contrac-tion of the sections at the joints and of their connecting-bolts, heretot'ore the great defect in boilers of this class, is obvi-` ated.
l`he pocketsthenselves ere forned so as to inclose pnekingrings," and are conveniently united by bolts passing through enrs cost on then, while themselves being preferably of rectangular or cubicnl shape for convenience in building them in.
B is a horizontal stean-druin, with which the sections all communicate. D is e brenching return pipe leading out from the bottom of the drum below the water-line, outside the brick-work, and connecting with the lower pockets. E is the brick-work enveloping the pockets and inclosing the sections; F, the fire-box, and Gr the ash-pit.
Having thus described my invention, I claim and desire to secure by Letters Patent of the United States- In conbiatio'n with each distinct section of a sectional tubular boiler, pockets or jcints U, for connection of the sections, oti' leter-any, and distinct in position froni the tubes, and adapted to be completely embedded in the brick-work of the furnaee for protection of the joints 'from flarne, substnntitlly as specified.
r MILTON FOREMAN.
Witnesses:
J. BONSALL TAYLOR, W. C. STRAWBRIDGE.
US185171D Improvement in sectional steam-generators Expired - Lifetime US185171A (en)

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