US6595A - Method oe increasing the efeective length oe and cleansing boiler-elites - Google Patents

Method oe increasing the efeective length oe and cleansing boiler-elites Download PDF

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US6595A
US6595A US6595DA US6595A US 6595 A US6595 A US 6595A US 6595D A US6595D A US 6595DA US 6595 A US6595 A US 6595A
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boiler
cleansing
increasing
efeective
elites
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G7/00—Cleaning by vibration or pressure waves

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  • my invention consists in furnishing the horizontal flues of a steam boiler with spiral partitions, which partitions can be made to revolve to clear the flue, by which arrangement I am enabled to obtain all the advantages of a spiral flue which has been hereto-fore essayed and found useful until it became choked with ashes, &c., when it was found impossible to clean it, but by my construction the inside 0r spiral iue can be revolved, and thus be made to clean the flue perfectly, while it retains all the advantages of the stationary spiral flue.
  • the boiler, in which this apparatus is placed can be made of any of the ordinary forms, one of which is in part shown in the sectional drawing herewith accompanying, (an) being the boiler, (b, 6,) the iues; in
  • This apparatus consists of a shaft (0,) running through the center of the flue, and having its bearings at each end, so that it can be made to revolve by means of a crank key (6L) that is inserted thro-ugh the man holes; around this shaft a flat thread (6,) of plate metal7 is affixed, that extends from the shaft to the walls of the flue, as clearly shown in the drawing, forming a spiral iue from one end to the other, by which the heat is more perfectly retained and fuel is thus economized; and it serves also the double purpose of a brace to prevent the flue (6,) from collapsing, and as a scraper to keep it clean.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Description

^ sin sfrarns PATENT orrion.
ABNER CHAPMAN, OF FAIRFAX, VERMONT.
METHOD OF INCREASING THE EFFECTIVE LENGTH OF AND CLEANSING BOILER-FLUES.
Specification of Letters Patent No. 6,595, dated July 1'?, 1849.
To all wiz-0m t may concern Be it kno-wn that I, ABNER CHAPMAN, of Fairfax, in the county of Franklin and State of Vermont, have invented certain new and useful Improvements in Flues to Steam- Bo-ilers, and that the following is a full, clear, and exact description of the principle or character which distinguishes it from all other things before known and of the -usual manner of making, modifying, and using the same, reference being had to the accompanying drawing, which is a vertical section of the iues.
The nature of my invention consists in furnishing the horizontal flues of a steam boiler with spiral partitions, which partitions can be made to revolve to clear the flue, by which arrangement I am enabled to obtain all the advantages of a spiral flue which has been hereto-fore essayed and found useful until it became choked with ashes, &c., when it was found impossible to clean it, but by my construction the inside 0r spiral iue can be revolved, and thus be made to clean the flue perfectly, while it retains all the advantages of the stationary spiral flue.
The boiler, in which this apparatus is placed can be made of any of the ordinary forms, one of which is in part shown in the sectional drawing herewith accompanying, (an) being the boiler, (b, 6,) the iues; in
one of which my apparatus is lixed. This apparatus consists of a shaft (0,) running through the center of the flue, and having its bearings at each end, so that it can be made to revolve by means of a crank key (6L) that is inserted thro-ugh the man holes; around this shaft a flat thread (6,) of plate metal7 is affixed, that extends from the shaft to the walls of the flue, as clearly shown in the drawing, forming a spiral iue from one end to the other, by which the heat is more perfectly retained and fuel is thus economized; and it serves also the double purpose of a brace to prevent the flue (6,) from collapsing, and as a scraper to keep it clean.
Having thus fully described my improvement, I wish it t-o be understood that I do not claim forming a spiral flue within a steam boiler, as that has already been done, but
What I do claim as my invention and for which I desire to secure Letters Patent, isf- Spiral partitions, forming a spiral iue within the flues of a steam boiler, substantially as described, said thread being affixed to a shaft independent of the flue so that it can be made to revolve to scrape the flue, and clean it when it gets foul.
ABNER CHAPMAN. Witnesses:
J. J. GREENOUGH, 1WM. GREENoUGI-I.
US6595D Method oe increasing the efeective length oe and cleansing boiler-elites Expired - Lifetime US6595A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478207A (en) * 1982-06-14 1984-10-23 Lewis Walker Furnace
US4534409A (en) * 1979-05-25 1985-08-13 Societe Anonyme Francaise Du Ferodo Tubular heat exchanger and helical agitators for use with such exchangers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4534409A (en) * 1979-05-25 1985-08-13 Societe Anonyme Francaise Du Ferodo Tubular heat exchanger and helical agitators for use with such exchangers
US4478207A (en) * 1982-06-14 1984-10-23 Lewis Walker Furnace

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