US245911A - Edgae j - Google Patents

Description

(No Model.)

B. J. Woon. HEATING APPARATUS POR DRYING HUUSES. No. 245,911.

Patented Aug. 16, 1881.

NSN

me f .WH

Wzesses N. PETERS. Pnnxo-Lnmgnpher. wnhingim. l! C.

UNITED STATES PATENT OFFICE.

EDGAR J. WOOD, OF BROOKLYN, NEW YORK.

HEATING APPARATUS FOR DRYING-HOUSES.

SPECIFICATION forming part of Letters Patent No. 245,911, dated August 16, 1881.

' Application filed June 16, M381.V (No model.)

I Brooklyn, in the county of Kings and State of New York, have invented certain new and use- DryingBooms or Drying-Houses for Lumber, of which the following is a specification.

My invention relates to drying rooms or houses for lumber in which air is circulated through the room or house by means of ablower and is heated by contact with suitably-arranged radiators, through which superheatcd steam is passed.

The invention consists in certain novel features in the arrangement of the radiators for heating the air, and in a novel construction of the ai r-iiues or passages, whereby the distribution ot' air is regulated.

Theinvention also consists in various details of construction, hereinafter fully described.

In the accompanying drawings, Fignrel represents a plan and horizontal section of a. drying house or room and appurtenances embodying my invention. Fig. 2 represents a vertical longitudinal section thereof upon the dotted line Fig. l. Fig. 3 represents a vertical transverse section upon the dotted liney y, Fig. 2 and Fig. 4 is a sectional elevation ot the condenser in a modiled form.

Similar letters of reference designate corresponding parts in all the figures.

A designates a drying-room ordrying-honse, composed of four walls of brick or other material roofed over, and about midway of the height ofsaid room or house is a tier of beams, A,t'oruiin g a rack,upon which lumber maybe laid.

Upon the iioor of the room or house A is a steam-radiator, B, the pipes of which extend back and forth for the whole width and length ofthe room or house, as best seen in Fig. l.

In the end of the room or house are two chambers or inclosures, C C', or they might otherwise be called a single ch amber,77 divided by a partition, C2, as seen in Fig. 3, and communicating with each other over the top of said partition. As here shown, said chambers C C' only extend upward to the rack A', and they are separated or divided from the main portion of the room or house. Arranged in 4said chambers C C are two radiators, D D',

here shown as composed of connected parallel tubes, as best seen in Fig. 3.

It is very desirable, in order to make the steam tosupply the radiators B D D as effective as possible, that it should be superheated, and I have represented a superb eater, E, which may be heated by a furnace belonT it, and ot' any suitable construction, as may be found most desirable, and steam is conducted from any suitable and adjacent boiler to the superheater through a pipe, a, as shown in Fig. l, under control of a valve, a', therein. From the superheater E the snperheated steam passes through a pipe, b, to one end of the radiator B, under control of a proper valve, '11', (best shown in Fig. 1,) and from the opposite end of said radiator the water-of condensation passes to the boiler or the trap through a pipe,`o, as seen in Fig. l.

Steam is supplied to the two radiators D D by means of pipes o and d, under control of valves, and as clearly shown in` Fig. l, and the condensed water is exhausted therefrom through a pipe, d2, (shown in Fig. 3,) to a boiler or a trap, (not here shown.)

I will now proceed to describe the course ot' the air in passing through the drying room or house.

F designates the blower, by which air is withdrawn from the upperpart of the room or house, and from which the outflow of air is conducted into the lower part thereof. rlhe suction-pipe G of the blower F extends n pward therefrom and along the upper part of the dry room or house, upon one side thereof, and the discharge-pipe H from said blower terminates in the chamber C, as best shown in Figs. 2 and 3.

The suction-pipe G of the blower, whereby air is withdrawn from the top of the drying room or house, is provided with numerous inlets e, which may be provided with dam pers or valves, whereby the quantity of air drawn from any part of the room or house may be conveniently regulated.

The air delivered into the chamber C from the dischargepipe H p'asses from said chamber over the partition O2 into the chamber O', and in its passage is heated by the radiators D lD', after which said air passes from the chamber C into a horizontal pipe or trunk, I,

which extends lengthwise of the drying room or chamber, in the lower part thereof, and on the opposite side from the air-suction pipe Gr, as shown clearly in Fig. l. The pipe or trunk I has its upper part composed of hinged sections ff f2 f3, which may, any one or all of them, be raised or opened to permit the passage of air into the room or house at any desired point below the radiator B, whence the air passes upward through and in contact with the pipes of the radiator, and is thereby further heated. Y

` It is desirable that the air employed in drying be freed as far as possible from moisture, and to enable this to be done I employ a condenser, J, here shown as consisting of a simple box or chest having 4arranged within it a coil or series of cold-air pipes, of which J is the inlet-pipe and J2 is the outlet pipe or due. The outlet-pipe J2 is prolonged upward above the condenser, and into it extends a branch pipe, K, leading from the furnace, which heats .the superheater E, as previously described. The ascending current of tbek hot air and products of combustion, passing from the furnace of the superheater E, and thence through the branch pipe K and outlet pipe oriiue J 2, produce a constant flow of air from the coil or pipes of the condenser and a constant now of cold air through the same, which cold air enters.

at the inlet J. The body or shell of the condenser J is connected by a pipe, L, with the suction-pipe G of the blower F, andby a pipe, E, with the dischargepipe H from the blower, and while the mainior larger portion of the air is kept circulating through the blower 'Fand its suction and discharge pipes Gr and H, a smaller proportion or quantity thereof is kept circulat ing through the pipes L L and condenser J, whereby it is rid of its moisture, thus-maintaining a uniform humidity of the air used in drying. The pipes L L are provided with suitable gates or valves for regulating the iow of air through them.

If water were used as a condensing agent in 4 5 the condenser J, the air would pass through the pipes or coils of the condenser, instead of through the condenser around said pipes or coils.

`By my invention I provide for properly regulating the supply of heated air to all parts of the dry room or house, and also for ridding the air used yin drying, as far as is possible, from its moisture.

In the condenser shown in Fig. 4 the air passes. through a pipe surrounded by water in the body of the condenser. In case it should be found desirable to introduce a small quantity of steam into direct contact with the lumber in the drying room or house, I may employ pipes s,'arrangedabove the radiator B and supplied wth steam from the superheater E. The pipes s may beperforated, if required.

What I claim as my invention, and desire to secure by Letters Patent, is-

l. The combination, with the drying room or house A, of the radiators B D D', arranged substantially as herein described, and thesuvperheater for supplying superheated steam to said radiators.

2. 'Il he combination of the room or house A, the chambers C C', separated by a partition, G2, the radiators D D', arranged in said chambers, the-blower F, the suction-pipe G, the dischargepipe H,'leading to the chamber C, and the airtrunk I, leading from the chamber C', and pro- .Vided with gates or valves along its length, all

substantially as specified. V

3. The combination of the condenser J, having an air-inlet, J', and an air-outlet, J2, the

l-superheater E, heated by a furnace, and the escape pipe or `flue K, leading from said furnace '.to` the outlet J2, substantially as specified.

EDGAR J. WOOD. i

' Witnesses:

FREDK. HaYNEs, En. GLATzM-AYER.

Images