US765830A - Water-tube boiler. - Google Patents

Water-tube boiler. Download PDF

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Publication number
US765830A
US765830A US12791602A US1902127916A US765830A US 765830 A US765830 A US 765830A US 12791602 A US12791602 A US 12791602A US 1902127916 A US1902127916 A US 1902127916A US 765830 A US765830 A US 765830A
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United States
Prior art keywords
drum
water
steam
boiler
tubes
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Expired - Lifetime
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US12791602A
Inventor
Robert Gray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meehan Boiler & Construction Co
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Meehan Boiler & Construction Co
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Priority to US12791602A priority Critical patent/US765830A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/34—Water-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

  • T0 @ZZ whmn t may concern:
  • My invention relates to boilers of the vertical water-tube type, and is designed to improve such boilers by providing means for drying' or super-heating the steam after it leaves the steam and water drum or drums.
  • I show a boiler having mud-drums 2 2 and a single steam and water drum 3.
  • the steam and water drum is connected with the mud-drums by banks of tubes I L1, and the boiler is inclosed in avertical setting or shell 5, which is provided with suitable lining and baffles.
  • the drums 2 and 3 extend horizontally and are of cylindrical form, their ends preferably extending through the casing, as shown in Fig. 2.
  • I have shown the boiler as set in the outlet-flue of thel heating-furnace 6, the waste heat entering the port'T at the bottom and thence rising between the mud-drums and among the tubes and passing out through an upper stack 8, having a suitable valve 9.
  • a steam-drum 10 which is connected with the upper part of the steam and water drum by curved tubes ll. These tubes are substantiallyvertical Vand being inserted along the lowest portion of the drum 10 serve to keep it 'continually drained and to prevent saturation of the steam in the superheater-l drum.
  • the drum l() is preferably of cylindrical form, extending parallel with the drum 3, their axes being approximately in the same vertical plane, the drum l0, however, being Serial No. 127,916. (No model.)
  • the steam-offtake pipe l2 leads from the upper part of the drum 10.
  • a vertical water-tube boiler having a single steam and water drum, a stack-flue above the same, a superheater-drum in the stack-flue, and a plurality of rows of drum- Y draining tubes connecting the superheatingdrum with the steam-space of the steam and water drum, said tubes presenting a heatingsurface to the gases; substantially as described.
  • a vertical water-tube boiler having a single horizontal cylindrical steam and water drum, and asimilar superheating-drum above the same in the stack-flue, and connected with the same by a plurality of rows of curved, drum-draining and superheating tubes; substantially as described.

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

Description

No. 765,830. PATBNTED JULY 26, 1904. R. GRAY.
WATER TUBE BOILER.
APPLIUATION FILED 001:20, 1902.
N0 MODEL.
i ru? E IE :y
ce. i Um f www...
UNiTED STATES Patented J' u1y 26, 1904.
PATENT OFFICE.
ROBERT GRAY, OF LOIVELLVILLE, OHIO, ASSIGNOR TO THE MEEHAN BOILER t CONSTRUCTION COMPANY, OF LOVVELLVILLE, OHIO, A
CORPORATION OF OHIO.
WATER-TUBE BOILER.
SPECIFICATION forming part of Letters Patent N0. '7 65,830, dated July 26, 1904.
Application iiled October 20, 1902.
T0 @ZZ whmn t may concern:
Be it known that I, ROBERT GRAY, of Lowellville, Mahoning county, Ohio, have invented a new and useful VVater-Tube Boiler, of which the following' is a full, clear, and exact description, reference being had to the accompanying drawings, forming part of this specilication, in which- Figure l is a sectional end elevation of my improved boiler; and Fig. 2 is a side elevation, partly broken away, showing the same attached to a heating-furnace.
My invention relates to boilers of the vertical water-tube type, and is designed to improve such boilers by providing means for drying' or super-heating the steam after it leaves the steam and water drum or drums.
In the drawings I show a boiler having mud-drums 2 2 and a single steam and water drum 3. The steam and water drum is connected with the mud-drums by banks of tubes I L1, and the boiler is inclosed in avertical setting or shell 5, which is provided with suitable lining and baffles. The drums 2 and 3 extend horizontally and are of cylindrical form, their ends preferably extending through the casing, as shown in Fig. 2. I have shown the boiler as set in the outlet-flue of thel heating-furnace 6, the waste heat entering the port'T at the bottom and thence rising between the mud-drums and among the tubes and passing out through an upper stack 8, having a suitable valve 9.
The parts above described are old in this art, and I make no claims herein to the boiler itself.
Above the steam and water drum 3 and within the enlarged lower portion of the stack-flue I provide a steam-drum 10, which is connected with the upper part of the steam and water drum by curved tubes ll. These tubes are substantiallyvertical Vand being inserted along the lowest portion of the drum 10 serve to keep it 'continually drained and to prevent saturation of the steam in the superheater-l drum. The drum l() is preferably of cylindrical form, extending parallel with the drum 3, their axes being approximately in the same vertical plane, the drum l0, however, being Serial No. 127,916. (No model.)
smaller and shorter. The steam-offtake pipe l2 leads from the upper part of the drum 10.
In the operation of the boiler the steam formed in the tubes and drums rises from the drum 3 through the tubes 11 into the drying or super-heating drum 10 and is thence taken to the point of supply. The heated gases after passing upwardly among the boiler-tubes encircle the tubes 11 and drum 10, and thereby heat the steam therein, thus increasing its .tubes connecting' it with the steam and water drum or drums; substantially as described.
2. A vertical water-tube boiler having a single steam and water drum, a stack-flue above the same, a superheater-drum in the stack-flue, and a plurality of rows of drum- Y draining tubes connecting the superheatingdrum with the steam-space of the steam and water drum, said tubes presenting a heatingsurface to the gases; substantially as described.
3. A vertical water-tube boiler having a single horizontal cylindrical steam and water drum, and asimilar superheating-drum above the same in the stack-flue, and connected with the same by a plurality of rows of curved, drum-draining and superheating tubes; substantially as described.
In testimony whereof I have hereunto set my hand.
ROBERT GRAY.
Witnesses:
L. M. REDMAN, H. M. CoRwIN.
US12791602A 1902-10-20 1902-10-20 Water-tube boiler. Expired - Lifetime US765830A (en)

Priority Applications (1)

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US12791602A US765830A (en) 1902-10-20 1902-10-20 Water-tube boiler.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10744239B2 (en) 2014-07-31 2020-08-18 Smith & Nephew, Inc. Leak detection in negative pressure wound therapy system
US12133789B2 (en) 2014-07-31 2024-11-05 Smith & Nephew, Inc. Reduced pressure therapy apparatus construction and control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10744239B2 (en) 2014-07-31 2020-08-18 Smith & Nephew, Inc. Leak detection in negative pressure wound therapy system
US12115298B2 (en) 2014-07-31 2024-10-15 Smith & Nephew, Inc. Wound pressure determination for reduced pressure wound therapy
US12133789B2 (en) 2014-07-31 2024-11-05 Smith & Nephew, Inc. Reduced pressure therapy apparatus construction and control

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