US978209A - Dry-kiln. - Google Patents

Description

J. 11. RIPLEY. DRY KILN.

APPLIATION FILED JULY Z1, 1910.

978,209. Patented De@.13,191o.

GX R5, 1

By Z

1, J. R. RIPLEY.

DRY KILN.

APPLICATION FILED JULY 21, 1910.

978,209. 4 Patenned'ne. 13, 1910.

3 BHEETS-BHEET 2.

J. R. RIPLEY.

DRY KILN.

APPLICATION FILED JULY 21, 1910.

Patented Dec. 13, 1910.

3 SHEETS-SHEET 3.

10m.. bm,

V no JAMES R. RIPLEY, OF MEMPHIS, TENNESSEE.

DRY-KILN.

Specification of Letters Iatent.

Patented Dec. 13, 1910.

Application filed July 21, 1910. Serial No. 573,008.

To all whom it may concern:

Be it known that I, JAMES R. RIPLEY, a citizen of the United States, residing at Memphis, county of Shelby, State of Tennessee, have invented certain new and use- ,ful Improvements in Dry-Kilns, of which Athe following is a specification, reference being had therein to the accompanying drawlng. i

This invention relates to a dry kiln and particularly to improvements upon the construction shown in my Patent #877,736,

and the novel features thereof 4defined by the appended claims.

In the drawings-Figure 1 is a top plan of the kiln; Fig. 2 is a slde elevation thereof with the side walls removed; Fig. 3 is a vertical section on line 3 3 of Fig. 2; Fig. 4 is a detail section on line 4 4 of Fig. 2 and Fi 5 is a detail of one of the draft flues.`

ike numerals of reference refer to like parts in the several igures of the drawings.

The numeral 10 designates the drying chamber of the kiln4 which may be ofany desired construction or configuration and disposed with its coperating parts within a suitable building for that purpose. Extending through the roof 11 of this chamber is a centrally disposed air conducting ipe 12 having discharge nozzles 13 dispose 1n opposite directions and preferably elongated to1 distribute the air for the width of the ki n.

At the opposite ends of the kiln, air conductin pi es 14 extend through the roof thereo and) are'provided with similar discharge nozzles 15, each directed toward the longitudinal center of the kiln. The pipes 12 and 14 are mounted to reciprocate upon fixed air conducting pipes 16 and 17 respectively, and the nozzles of these pipes are each provided with guide rods 18 extending upward through the roof of the drying chamber to guide the movement of the pipes and nozzles and to prevent lateral movement thereof. This arrangement of nozzles comprises oppositely disposed air distributing means and these are adapted to be raised and lowered in alternation b any means desired. A desirable form ofY such means is the lifting cables 19 which extend from the pipes 14 upward over sheaves or pulleys 2O and 21 and thence downward into connection with the central distributing pipe 12 at 22. By this means, when either the central or en`d pi es are raised, the other is lowered, thus pro ucing Ian alternation of the blast upon the material. For the purpose of applying power for the raising of the pipes, cables 23 extend from the pipe l2 over bearing pulleys 24 to a suitable source of power. T hese cables may be connected yby a crossbar 25 from-which the power cable 26 extends over a bearing pulley 27 to a pivotally mounted crank arm 28. This arm is connected by a itman 29 carried by a driving gear 30 whic receives power from any suitable source, for instance a belt 31 geared thereto through the shaft 32. The air conducting pipes 16 and 17 communicate with any desired source of heated air under pressure, for instance the heating chamber 33- which may be provided with a heating coil 34 and communicates at 35 with a blower or other device for producing air under pressure. The air distributing pipes are restored to their lowermost position by their lweight when the cable connection permits of such movement and for the purpose of counterbalancing this weight, cables 36 extend upward from the pipes 14, thence over guide pulleys 37 and are provided at their lower ends with weights 38.

For the purpose of producing a draft through the drying chamber and of' removing the moisture laden air, flues 39 are disposed at. each end of the kiln and communicate with the upper portion thereof. These flues coperate with the blast from the nozzles 13 and the discharge or blast therefromv .and are provided at each end may be controlled by the dampers 40 which also regulate the air pressure Within the drying chamber. For the purpose of coperating With the nozzles l5, lateral drafttlues 4l are disposed Within the roof of the chamber with dampers 42. These flues are open at the sides opposite the nozzles 15 as shown at 43 in Fig. 5.

The material to be dried may be introduced into the kiln in any desired manner, for instance by means of trucks 44 adapted to travel upon tracks 45 mounted Within the chamber l0. These tracks are formed in sections and coperate With carriers 46 mounted upon rails 47 and carrying coperating track sections 48, as shown in Figs. 2 and 3. The trucks 46, When Withdrawn from the kiln, bring the track sections 48 thereon into alinement With coperating sections 49 disposed outside of the kiln and in` a loading and unloading structure of' any desired character. Under some-conditions, it is desirable to introduce steam or moisture to the material being dried and for that purpose, a pipey 50 is provided Which has communicating branches 51 extending into each of the pipes 16 and 17. Such connection can also be used for introducing steam in case -of fire Within the drying chamber. The

vkiln may also be provided With side Walls or doors 53 which are movable for the purpose of introducing'or removing material from the kiln. The ends of the drying chamber are also provided With dooiis or closures 54 adapted to be opened for access thereto.

The kiln is adapted for drying any character of material by the passage of a draft of air thereover which is distributed so asto contact with all portions 'of the material to produce an even drying and is therefore particularly` desirable for drying` lumber, Wooden articles, soap, or laundried goods. The material lto be dried' is placed upon the trucks in the loadingcompartment and is then moved upon the carriers and by them transferred to the tracks Within the drying chamber. When in alinement With these I tracks, the trucks may be moved on to the tracks of the chamber and thus utilize the full capacity thereof. When thus disposed, the doors or other closures are placed in closed position and the draft of heated air introduced through the oppositely disposed distributing pipes Whose elongated nozzles distribute the air in a horizontal plane extending across the chamber. These pipes and nozzles are continuously raised and loW ered in alternation so that a draft through the material is produced, first in one direction and then in the opposite direct-ion. This alternation of draft is assisted by the ues adjacent the center and ends of the chamber which coperate with the nozzles, directing a blast toward them and these llues may be controlled by dampers to secure the desired action of the air upon the material.

. After the drying is effected, the trucks may be removed from thechamber in any de-- sired manner, such as'shift-ing them to one end thereof upon the` tracks Within the chamber While freshly loaded trucks are introduced at the opposite end. This can be effected When the central distributing pipe is in raised position, as shown in Fig. 2. The construction is particularly adapted for use in a long kiln Where the moisture laden air collects at the point farthest removed from the blast and the material Would be less quickly and unevenly dried. The arrangement of nozzles and draft iues permits a thorough circulation and distribution of air to the material and removes all moisture laden air. The arrangementalso permits the introduction of moisture to the material to prevent the too rapid vdrying of the portion thereof directly exposed to the air blast before the remainder has properly dried and permitsthe use of a low degree of heat which prevents injurious leffects in lumber and other material dried.

The number and arrangement of nozzles may be varied in accordance With the capacv ity of the kiln or the material to be treated and the operating mechanism may be mounted and inclosed in any suitable manner.

Having described my invention and set forth its merits, what I claim and desirey to secure by Letters Patent is-` 1. In a dry kiln, a casing, air conducting pipes, oppositely disposeddistributing devices carried by said pipes and movable vertically Within said casing, and means for alternately moving said devices.

2. In a dry kiln, a casing, air conducting pipes, oppositely disposed distributing devices'carried by said pipes and movable vertically vWithin said casing, and means for automatically and alternately moving said devices.

. 3. In a dry kiln, a casing, air conducting pipes, oppositely disposed distributing devices carried by said pipes and movable vertically Within said casingand means for simultaneously devices.

4. In a dry kiln, a casing, air conducting pipes, oppositely disposed distributing devices carried by said pipes and movable vertically Within said casing, means for alternately moving said devices, a track disposed intermediate of said devices, a carrier movable laterally of said tracks, and a truck adapted to be shifted by said carrier.

5. In a dry kiln, acasing, air conducting pipes, oppositely disposed distributing devices carried by said pipes and movable vertically Withinsaid casing, means for alternately moving said devices, a track disposed and alternately moving said intermediate of said devices. a carrier movable laterally of said tracks, a truck adapted to be shifted by` said carrier, and a loading and unloading track outside of said casing and adapted to coperate with said carr1er.

6. In av dry kiln, a casing, air conducting pipes, oppositely disposed distributing devices carried by said pipes and movable vertically with said casing, means for alternately moving said devices, and draft fiues disposed opposite the discharge from said devices.

7. In a dry kiln, a casing, fixed air conducting pipes, movable air pipes mounted upon said fixed pipes and provided with distributing nozzles, and a connection between said movable pipes to effectan alternating movement thereof. I

8. In a dry kiln, a casing, fixed air conducting pipes, movable air pipes mounted upon said fixed pipes and provided with distributing nozzles, a-connection between said movable pipes to effect an alternating movement thereof, and means for counterbalancing one of said movable pipes.

9.l In a dry kiln, a caslng, fixed air conducting pipes, movable air vpipes mounted upon said fixed pipes and provided with distributing nozzles, a connection between said movable pipes to effect an alternating movement thereof, means for counterbalancing one of said movable pipes, and means for guiding the reciprocation of said movable pipes.

10. In a dry kiln, a casing, fixed air conducting pipes, movable air pi es mounted upon said fixed pipes and -provi ed with distributing nozzles, and a cable connection extending from one of said movable pipes to the other.

11. In a dry kiln, a casing, fixed air conducting pipes, movable air pipes mounted upon said fixed pipes and providedwith distributing nozzles, a connection between said movable pipes to effect an alternating movement thereof, a draft fiue at the upper portion o f said casing having an opening opposite one of said nozzles, and a draft flue at the upper portion of said casing coperating with the `other nozzle.

12. In a dry kiln, a drying chamber, fixed air conducting pipes communicating therewith, sliding conducting pipes mounted upon said fixed pipes, and oppositely disposed elongated d1stributing nozzles upon said sliding pipes dis osed within said chamber and movable re ative to each other.

13. In a dry kiln, a drying chamber, a fixed air conducting pipe communicating therewith, a sliding conducting pipe mounted upon said-fixed pipe, a distributing nozzle carried by said shding pipe within said l chamber, a cable extending from said sliding the upper portion of said chamber and prol vided with an opening in its side wall in a parallel plane to said nozzle.

15. In a dry kiln, a drying chamber, air distributing nozzles mounted to reciprocate in a vertical plane centrally of said chamber and disposed in opposite directions, air distributing nozzles disposed at the opposite ends of said chamber for reciprocation in a vertical plane and disposed toward said central nozzles, and means for reciprocating said nozzles in alternation.

16. In a dry kiln, a drying chamber, air distributing nozzles mounted to reciprocate in a vertical plane' centrall of said chamber and disposed in opposite irections, air distributingnozzles disposed at the opposite ends of said chamber for reciprocation in a vertical plane and disposed toward said central nozzles, means for reciprocating said nozzles in alternation, draft flues disposed at opposite ysides of said central nozzles and provided with an inlet opening opposite the end nozzles, and draft fiues disposed at the opposite ends of said casing `and beyond said end nozzles.

17. Infa dry kiln, a drying chamber, air distributing nozzles mounted to reciprocate in a vertical plane centrally of said chamber and'disposed in op osite directions, air distributing nozzles disposed at the opposite ends of said chamber for reciprocation in a vertical plane and disposed toward said central nozzles, cable connections between said end nozzles and central nozzles for reciprocating them in alternation, and a cable connection from said central nozzles to a source of power.

18. In a dry kiln, a drying chamber, air

distributino nozzles mounted to reciprocate in a vertica plane centrally of said chamber and disposed in opposite directions, air distributing nozzles disposed at the opposite ends of said chamber for reciprocation in a vertical plane and disposed toward said central nozzles, cable connections between said end nozzles and central nozzles for reciproeating them in alternation, a cable connection from said central nozzles to a source of power, and counterbalancing weights having cable connections to the end nozzles.

19. In a dry kiln, a drying chamber, air distributing nozzles mounted to reciprocate in a vertical plane centrally of said chamber and disposed in opposite directions, air distributing nozzles disposed at the opposite said track, and a' carrier forA said track 10 ends of said chamber for reciprocation in a mounted for movement laterally of said vertical plane and disposed vtoward said, centrack.

tral nozzles, cable connections between said In testimony whereof I aliX my signature end nozzles and central nozzlesfor reciproin presence of two witnesses.

eating them in alternation, a cable connec. JAMES R. RIPLEY.

tion from said central nozzles to a source of Witnesses:

power, a track extending longitudinally of CHAS. SEAMAN, said chamber7 a truck adapted to travel upon DONALD CAMPBELL.

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