US1343824A - Water-tube boiler - Google Patents

Water-tube boiler Download PDF

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Publication number
US1343824A
US1343824A US154644A US15464417A US1343824A US 1343824 A US1343824 A US 1343824A US 154644 A US154644 A US 154644A US 15464417 A US15464417 A US 15464417A US 1343824 A US1343824 A US 1343824A
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water
tubes
steam
box
boiler
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Expired - Lifetime
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US154644A
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Horiuchi Hirosuke
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B17/00—Water-tube boilers of horizontally-inclined type, e.g. the water-tube sets being inclined slightly with respect to the horizontal plane
    • F22B17/02—Water-tube boilers of horizontally-inclined type, e.g. the water-tube sets being inclined slightly with respect to the horizontal plane built-up from water-tube sets in abutting connection with two header boxes in common for all sets, e.g. with flat header boxes

Definitions

  • a 1 My invention relates to improvements in water-tube boilers, and consists in such a boiler having front and rear water boxes I and connecting the water-boxes to form a V- substantially vertically arranged near the ends of a horizontal steam drum and connected to the under side thereof, two sets of water-tubes inclining in opposite directions shaped combustion chamber.
  • a U-shaped feed-water heater is preferably located in such chamber.
  • the invention has for its objects to render the circulation of water more active and the production of steam more rapid.
  • the annexed drawing shows a side view in vertical section of a water-tube boiler constructed according to my invention.
  • 1 is the main wall of the boiler, 2 the fire-grate, 3 the steam drum,4
  • the front water-box and 5 the rear waterbox.
  • 6 is a set of lower water-tubes, 7 a set of upper water-tubes, 8 a V-shaped combustion chamber, 9 a series of bafiles, 10 a U- shaped feed-waterheater and 11 a feed-water plpe.
  • the V-shaped combustion chamber 8 is formed between the two sets of water-tubes and the U-shaped feed-water heater 10, secured to the rear water-box 5, is located in said V-shaped chamber.
  • the front water-box 4 and rear water-box The lower water-tubes 6 lying immediately over the firegrate 2 are highly heated and as they are more steeply inclined than the upper water-tubes 7, the circulation of water is chiefly caused in them.
  • the water therein enters the front water-box 4, ascends, and enters the upper water-tubes to reach their rear ends.
  • Hot air is delivered into the V-shaped combustion chamber by means of any suitable device and perfect combustion is at tained, so that the upper water-tubes are further heated, and then, as they are slightly inclined upwardly toward their rear ends and 1n as much as steam can not remain stagnant, evaporation vigorously sets 1n, and
  • ter-boxes substantially vertically arranged and having their upper ends communicatlng with the interior of said steam drum, upper and lower setsof water tubes connecting the 1 water boxes and placing the same n communication, the upper set of tubes being inclined to the horizontal at an angle of greater than 2 in an upward direction to- Ward the rear Water-boX, and the lower set of Water-tubesbeing inclined to the horizontal at an angle of greater than 7 in a downward direction toward the rear WaterboX so as to form a V-shaped combustion chamber between said sets of tubes, and a feed Water heater connected to the rear Wa- 10 ter box and extending into said V-shaped combustion chamber.

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  • Engineering & Computer Science (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

H. HORIUCHI.
.WATER TUBE BOILER.
APPLICATION men MAR. 13. 1917.
Patented June 15, 1920.
mnosuxn 11031110111, panam M21111.
WATER-TUBE BO ILER.
Specification of Letters Patent. Patented June 15, 1920,
Application filed March 13, 1917. Serial No. 154,644.
2 '0 all whom it may concern:
Be it known that I, HIRosUKn HORIUCHI, a subject of the Empire of Japan, residing at 41, 2-chome, Tomongai, Taihokujonai, Tai hokucho, Taiwan, Japan, have invented certain new and usefulImprovements in Water- Tube Boilers, of which the following is a specification. a 1 My invention relates to improvements in water-tube boilers, and consists in such a boiler having front and rear water boxes I and connecting the water-boxes to form a V- substantially vertically arranged near the ends of a horizontal steam drum and connected to the under side thereof, two sets of water-tubes inclining in opposite directions shaped combustion chamber. A U-shaped feed-water heater is preferably located in such chamber. The invention has for its objects to render the circulation of water more active and the production of steam more rapid.
The annexed drawing shows a side view in vertical section of a water-tube boiler constructed according to my invention.
In the drawing, 1 is the main wall of the boiler, 2 the fire-grate, 3 the steam drum,4
the front water-box, and 5 the rear waterbox. 6 is a set of lower water-tubes, 7 a set of upper water-tubes, 8 a V-shaped combustion chamber, 9 a series of bafiles, 10 a U- shaped feed-waterheater and 11 a feed-water plpe.
level, the latter set of water tubes being in clined in the opposite direction to the former. The V-shaped combustion chamber 8 is formed between the two sets of water-tubes and the U-shaped feed-water heater 10, secured to the rear water-box 5, is located in said V-shaped chamber.
The front water-box 4 and rear water-box The lower water-tubes 6 lying immediately over the firegrate 2 are highly heated and as they are more steeply inclined than the upper water-tubes 7, the circulation of water is chiefly caused in them. The water therein enters the front water-box 4, ascends, and enters the upper water-tubes to reach their rear ends. The steam produced in the lowerwater-tubes, onentering the front water-box,
separates itself from the water. and ascends into the steam-drum 3.
Hot air is delivered into the V-shaped combustion chamber by means of any suitable device and perfect combustion is at tained, so that the upper water-tubes are further heated, and then, as they are slightly inclined upwardly toward their rear ends and 1n as much as steam can not remain stagnant, evaporation vigorously sets 1n, and
the steam thus produced, on entering the rear water-box 5, ascends t0 the steam drum 3.
The cooler water in the steam-drum 3and the water not evaporated in the upper watertubes will descend the rear water-box 5, and the cold water fed from the feed-waterpipe 11, after it is warmed by the feed-water Y heater 10, will also descend the rear waterbox 5. Asboth the front and rear waterboxes have large areas, the separation of steam from water is very effective, so that the circulation of water in the boiler is uniform and rapid through all its parts.
The combustion of fuel, as well the conduction of heat, is vigorous, and the circulation of water, on that account, is very effective, so that the steam is rapidly produced, and the water-tubes are not liable to obstructions. Further, as the construction of the boiler is very simple, a number of watertubes may be effectively arranged in a comparatively'small space, and consequently the output of the boiler increased.
What I claim is ter-boxes substantially vertically arranged and having their upper ends communicatlng with the interior of said steam drum, upper and lower setsof water tubes connecting the 1 water boxes and placing the same n communication, the upper set of tubes being inclined to the horizontal at an angle of greater than 2 in an upward direction to- Ward the rear Water-boX, and the lower set of Water-tubesbeing inclined to the horizontal at an angle of greater than 7 in a downward direction toward the rear WaterboX so as to form a V-shaped combustion chamber between said sets of tubes, and a feed Water heater connected to the rear Wa- 10 ter box and extending into said V-shaped combustion chamber.
In testimony whereof I have afiixed my signature in presence of two witnesses.
J HIROSUKE HORIUCHI. Witnesses:
R. Hostu K. HAT'roRI;
US154644A 1917-03-13 1917-03-13 Water-tube boiler Expired - Lifetime US1343824A (en)

Priority Applications (1)

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US154644A US1343824A (en) 1917-03-13 1917-03-13 Water-tube boiler

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US1343824A true US1343824A (en) 1920-06-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1929205A1 (en) * 2005-09-23 2008-06-11 Edward Pritchard Water tube boiler

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1929205A1 (en) * 2005-09-23 2008-06-11 Edward Pritchard Water tube boiler
US20080184944A1 (en) * 2005-09-23 2008-08-07 Edward Pritchard Water tube boiler
US7412946B1 (en) 2005-09-23 2008-08-19 Edward Pritchard Water tube boiler
EP1929205A4 (en) * 2005-09-23 2014-05-07 Edward Pritchard Water tube boiler

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