US360958A - Lumber-drier - Google Patents

Description

(No Model.)

J. L. GASKINS.A

LUMBER DRIER.

. Patented Apr. 12, 1887 witnesses UNITED STATES- PATENT OFFICE.

JOHN L. GASKINS, OF STARKE, FLORIDA.

LUMBER-DRIER.

SPECIFICATION forming part of Letters Patent No. 360,958, dated April 12, 1887. Y Application tiled December E28, 1856., Serial No. 222,783. (No model.)

To all whom it may concern:

Be it known that I, JOHN L.V GAsKINs, a citizen of the United States, residing at Starke, in the county of Bradford and State of Florida, have invented a new and useful Improvement in Steam-Drying Apparatus,of which the fol lowing is a specification.

My invention relates to improvements in lumberdrying apparatus, and aims to over come serious objections to the apparatus of various kinds which have preceded it.' This object I attain by the use of the apparatus shown in the accompanying drawings; and the novelty consists in certain features thereof, which will be hereinafter fully described, and pointed out in the claims. i

In the drawings referred to, Figure 1 is a side elevation of a dry-house constructed in accordance with my invention. Fig. 2 is a vertical cross-section on the line a: a: of Fig. 1, and Fig. 3 is a vertical longitudinal section ou the line y y of Fig. 2.

Referring to the drawings by letter, A designates the dry-house, having the heatingcharnber B and the dry-room C separated by the floor C of the dry-room. The heatingchamber B has a series of transverse partitions, b, ruiming across it and extending up to the oor of the dry-room. These partitions are secured in the walls of the building, and their upper edges are provided with a series of cross-notches, c, the function of which will presently appear. The spaces between these partitions are filled up to the level of the notches c with fine sawdust or any other material which will absorb the moisture from steam-heated air.

A dry-house to accommodate a large quantity of lumber,A brick, and other substances to be dried must contain certain drying and heating chambers of large size and capacity, and it is necessary to brace and strengthen the floor dividing these chambers, otherwise the heavy weight imposedthereon will cause it to sag and destroy itsfirmness.

proper support to strengthen and brace the door of the drying-chamber at all points, and which will not take up space or room in the heating-chamber, I provide the vertical partitions b, hereinbefore referred to, which extend to the plane of the oor, as clearly shown.

To provide a D is a steam-supply pipe communicating with a boiler or other source,which enters the heatingchamber near its top, and which connects with a steam-boiler, as shown. This pipe D enters thel heating-chamber through one of lts walls, and between any two of the partitions b. It is obvious that the steam will escape from the end of the supply-pipe with considerable force, and were it allowed to impinge directly upon the sawdust in the said heatingchamber would scatter it, and thereby defeat the object of my invention, as will presently appear. To prevent this, therefore, I place a deiiectingblock, d, upon the sawdust just beneath the end 'of the supply-pipe, so that the steam, instead of striking and scattering the sawdust, will strike upon the deflecting-block, and by it will be deflected toward the floor of the dry-room and diffused beneath the same, passing finto the several compartments of the heating-chamber through f the notches c in the upper edges of the partitions b.

Each of the compartments of the heatingchamber has an outletpipe, E, secured in one end and extending through and beneath the door or bottom of the said chamber. rIhese outlet-pipes E are arranged in a line along or near one side of the building, as will be seen upon reference t-o Figs. l and 2, and a trough, E', is arranged beneath these outlet-pipes, to catch the water escaping therefrom and convey it to the discharge-pipe F,at one end of the building, as is obvious; or the condensed water can be carried back or returned to the boiler by means of suitable pipes, as indicated in Fig. l of the drawings.

The operation of my apparatus will be readily comprehended. The lumber is arranged in the dry-room in the usual manner, and the said room effectually and tightly closed. Steam is, then admitted through the By my apparatus the moisture in the steam is absorbed,and the lumberor other substances in the drying-chamber is acted on by the heat in the steam, which dries the Contents more quickly and thoroughly.

By providing a series of separate compartments, andan escape'pipe entering the bottom of each compartment, the escape of the water of condensation from the compartments is tacilitutethwhieh would not be the euse were a single chamber employed in which the water would be liable to settle at the middle.

l am aware that it is not new` broadly, to use sawdust in a d rying apparatus to absorb the moisture in live steam, nor to place a de- Hector in t'rontof the discharge end of :1 steamsupply pipe; und hence I confine myself' to the peoullar oonstrurtion and arrnngement ot' parts pointed out in the eluims.

Having thus tullv deserihed my invention, what I claim, and desire to secure hy Letters Patent, is

l. ln a drier7 the eombination ot' the heating and drying chambers separated by nn inter mediate floor und arranged one beneath the other, the vertical notched partitions located in the heating-chamber and extending from bottom totop thereof' to support the tloor at different points and form a series of compartments in the heating-chamber, each having a filling ol" absorbent material, a steam-supply pipe entering one ofthe compartments through one ofthe partitions, a series of independent escape-pipes opening through the tloor ot' the heating-chamber into the compartments therein, and an escape trough or pipe common to all the escape-pipes of the series, as and for the purpose set forth.

2. In a drier, the heating-chamber under the dryiugehamber, and divided in'to a series ofiudependent compartments which comuninieate with one another, said compartments bein;r filled with sawdust. and Steam-Supplying means for the heating-chamber, as set t'orth.

ln testimony that y'l claim the foregoing: as my own I have hereto aflixed my lsignature in presence ot' two witnesses.

JOHN L. GASKINS. 1Witnesses:

H. J. ENNIS. WM. N. Moom.

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