US733781A - Steam-boiler. - Google Patents

Steam-boiler. Download PDF

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Publication number
US733781A
US733781A US6938801A US1901069388A US733781A US 733781 A US733781 A US 733781A US 6938801 A US6938801 A US 6938801A US 1901069388 A US1901069388 A US 1901069388A US 733781 A US733781 A US 733781A
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Prior art keywords
steam
drum
boiler
water
tubes
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Expired - Lifetime
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US6938801A
Inventor
Daniel M Webster
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Aultman & Taylor Machinery Co
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Aultman & Taylor Machinery Co
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Priority to US6938801A priority Critical patent/US733781A/en
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Publication of US733781A publication Critical patent/US733781A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/34Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers

Definitions

  • 2 represents the steam and water drum, 3 the mud-drum, and 4 the conmeeting-tubes, of a water-tube boiler.
  • This plate may extend entirely across the steam-drum, or it may be placed only in that part of the drum which is opposite the ends of the tubes in which the most violent ebullition occurs. Even when the water is oily, which generally causes the most violentebullition, the presence of the perforated baffle-plate is sufficient to check the foaming, and it renders it harmless.
  • Asteam-boiler having a steam and water 'drum, water-tubes entering the same, and a perforated baffleplate in said drum, submerged somewhat below the normal waterline and situated above the tubes; substantially as described.
  • a steam-boiler having upright Watertubes, a steam and water drum at the upper end thereof, and a perforated baffle-plate set in the steam-drum below the water-line and opposite to the ends of the tubes; substantially as described.

Description

No. 733.781. PATENTED JULY 14, 1903.
D'. M. WEBSTER.
STEAM BOILER.
APPLICATION FILED JULY 23, 1901. no MODEL. 's SHEETS -SHEET 1.
PATENTED JULY 14, 1903.-
D. M. WEBSTER. STEAM BOILER.
I0 IODEL.
UNITED STAT-ES PATENT Patented Jul 14, 1903.
OFFICE.
DANIEL M. WEBSTER, OF MANSFIELD, OHIO, ASSIGNORTO THE AULTMAN do TAYLOR MAOHIN'ERY'OOM-PANY, OF MANSFIELD,'OHIO, A CORPORATION OF OHIO.
- STEAM-BOILER.
SPEGIFIGATION forming part of Letters Patent N 0. 733,781, dated July 14, 1903. Application filed July 28,1901. Serial No. 69,388. (No model.)
To all whom it may concern:
Be it known that I, DANIEL M. WEBSTER,
- the following is a full, clear, and exact de-' scription, reference being had to' the accompanying drawings, forming part of this specification, in which Figure 1 is a vertical section of a steamboiler constructed in accordance with my invention; and Figs. 2 and 3 are horizontal sections on the lines II II and III III, respectively.
In the drawings, 2 represents the steam and water drum, 3 the mud-drum, and 4 the conmeeting-tubes, of a water-tube boiler.
' 5 5 represent the furnace-chamber, 6 the brick setting or shell of the boiler, and 7 the outlet-flue extending through the upper drum,
-which .is preferably made of annular form,
'upper drum an annular jacket 9, surrounding the outlet-flue 7 above the water-line, and
provide it with a steam-delivery pipe 10, ex-' tending to the exterior of the boiler, and with a steam-inlet opening 11, separated from the outlet by a partition 12, so that the steam entering at the inlet will travel around the.
jacket to the outlet and being subjected in its passage to the heat communicated through the material of the steam-drum from the hot gases will be highly superheated thereby.
I have also provided my boiler with means for preventing priming, by which I mean the carrying of water out with the steam by reason of the rapid circulation of the water through the tubes, which in some cases is so violent as to cause to a serious extent the evil just mentioned. For this purpose I place in the steam-drum a submerged perforated or grid-like plate 13, situated below the normal bottom.
water-line, preferably only a few inches belowthe same. This plate may extend entirely across the steam-drum, or it may be placed only in that part of the drum which is opposite the ends of the tubes in which the most violent ebullition occurs. Even when the water is oily, which generally causes the most violentebullition, the presence of the perforated baffle-plate is sufficient to check the foaming, and it renders it harmless.
I also prefer to provide in the mud-drum a partition-plate 14, which extends across the mud-drum at the top toward but not to the This divides the ends of part of the tubes from the others and serves to cause the current of cold feed-wa er which enters the mud-drum from the feed-pipes 15 to strike against the partition-plate and to precipitate to agreat extent its sediment, which will sink to the bottom of the mud-drum and which if the partition were not present would tend to pass with the circulation up through the fron portion of the bank of tubes.
I claim- 1. Asteam-boiler having a steam and water 'drum, water-tubes entering the same, and a perforated baffleplate in said drum, submerged somewhat below the normal waterline and situated above the tubes; substantially as described.
2. A steam-boiler having upright Watertubes, a steam and water drum at the upper end thereof, and a perforated baffle-plate set in the steam-drum below the water-line and opposite to the ends of the tubes; substantially as described.
3. In a steam-boiler, the combination with an annular steam-drum having an outlet-flue extending through the same for the passage of the hot gases, an annular steam-jacket in the steam-drum around the flue, and a steaminlet and steam-outlet, and a partition between the inlet and the outlet; substantially as described. r
In testimony whereof I have hereunto set my hand.
DANIEL M. WEBSTER.
Witnesses:
E. W. GANs, B. HURXTHAL.
US6938801A 1901-07-23 1901-07-23 Steam-boiler. Expired - Lifetime US733781A (en)

Priority Applications (1)

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US6938801A US733781A (en) 1901-07-23 1901-07-23 Steam-boiler.

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US6938801A US733781A (en) 1901-07-23 1901-07-23 Steam-boiler.

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US733781A true US733781A (en) 1903-07-14

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