USRE549E - Improvement in bagasse-furnaces - Google Patents

Description

A. HAGERK: Y. ALLYN. AAAAAAAAAAAAA E." I

No. 549, Reissued May 4 1858'.

Baton Rouge, inthe PATENT OFFICE.

ABRAHAM HAGER, or BATON ROUGE, AND YOUNGS ALLYN, on NEW ORLEANS, LOUISIANA.

IMPROVEMENT IN BAGASSE-FUR NACES.

Specification forming part of Letters Patent No. 14,812, dated May 6, 1556 Reissue No. 549, dated May '4, 18581 To all whom it may concern Be it known that we, ABRAHAM HAG-ER, of parish of East Baton and YOUNGS ALLYN, of the city of New'Orleans, in the parish of Orleans and State of Louisiana, have invented a new and useful Improvement in Bagasse-Furnaees; and we do hereby declare that the following is a'full, clear, and exact description of the construction and operation of the same, reference being bad to the annexed drawings, formin g part of this specification, in which- Figure 1 is a side elevation of an ordinary cylindrical bagasse-furnace. Fig. 2 is a vertical section of same, taken through axis and perpendicular to grate-bars. Fig. 3 is a horizontal section of the furnace. Fig. 4 is a vertical section'on m w.

Similar characters of reference in the severat figures denote the same parts.

The character of furnace to which our invention is applicable is that where the upper- Rouge,

portion is dome-shaped, with an opening at the crown to receive the wet bagasse as it comes from the mill. The falling of this wet mass directly upon the'fire has been found to be exceedingly operation ofthis class of furnaces. It is to obviate this disadvantage A that our invention is designed.

The nature of the invention consists in the construct-ion in the body of the furnace, and rising above the exit flue of the products of combustion, of a skeleton dome, for the purpose of receiving andretaining the wet bagasse until it is partially dried'by the fire below, and has become better adapted to support combustion than it was when it entered the furnace, when it will fall upon the fire and be consumed. v

In the'drawings, a a represent the masonry of the furnace. fis the opening through which the bagasse is admitted from the mill. 0 is the lower portion of the furnace, in which combustion'takes place. It has grate-bars 0, on which the fire is made, and an ordinary ash-pit, 6!, below. It also has a door, a, to admit the supply of dry fuel in fire, if necessary. At a suitable distance above the grate o is the exit-flue g for'the products of detrimental to the successfulstarting or replenishing the combustion, which leads under the boilers requiring the heat. Rising above the exit-flue g is the skeleton dome, composed of ribs 1' i i, extending from the sides of the furnace to a central ring, as shown in Fig. 3. The ribs 1', are so placed on each side of the exit-flue g as to leave an open space in front of said flue for the purpose of preventing the overhanging mass of bagasse from obstructing the mouth of the flue. By this construction the draft of the furnace is not affected by the bagasse held up bythe dome. This dome receives the wet bagasse as it falls into the furnace, and permits it to be dried to a certain extent'by the fire below before it falls from the dome into the burning mass and is itself consumed. There are stirringopenings h h" the dome, the upper being used in case the ba assesnonnrenone above the come, and the lower opening employed for the ordinary stir ring required in the combustion-chamber.

The operation of the furnace is similar to others of like character-a continuous feed being supplied at f, while the fire, after being started with dry fuel is maintained by partially -dried bagasse falling through the skeleton dome. p

We make no claim to the insertion in bagasse-furnaces ot'a grate inclining from the front of the furnace to a position under the exit-flue for the products of combustion, as

the operation of such grate will be different p from what is designed to be effected by our construction but What we do claim as new and of our own invention, and desire to secure by Letters Pat cut, is-

lnsertin g in the furnace a skeleton dome risin above the exitflue, so as to arrest the fall of the wet bagasse, and for a limited time retain it above the fire without obstruction to the draft of the furnace, substantially as hereinbefore set forth.

ABRAHAM HAGER, YOUNGS ALL N.

STEPHEN ALLEN.

through the-- sides of the furnace both. above and below

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