US1231893A - Kiln. - Google Patents

Description

M. R. ISAACS.

KILN.

llgggljggfio APPLICATiON FILED JULY 7. I916- Patented 3,

2 SHEETS-SHEET I.

M. R. ISAACS.

KILN.

APPLICATION FILED JULY 7.1916.

93., Patented July 3, 1917.

2 SHEETS-SHEET 2.

MM gb koLm Philadelphia, in the county of a and distributed; thirdly,

IVIONE R. ISAACS, 0F PHILADELPHIA, PENNSYLVANIA.

KILN.

Application filed July '7, 1916.

To all whom it may concern:

Be it known that l, MONE R.

ISAACS, a citizen of the United States,

residing at Philadelphia and State of Pennsylvania, have invented certain new and useful Improvements in Kilns, of which the following is a specification. 7 V

The object of my invention is to provide a kiln of novel, simple and eflicient construction for drying casein and other substances and having provision: first, whereby air may e exhausted from the drying chamber either by a mechanically operated exhausting device or by natural draft through a flue; secondly, whereby air entering the drying chamber may be heated and regulated whereby'the quantlty of air passing from the drying chamber may be regulated; and, fourth, whereby various advantages are gained. The invention consists in the novel construction and combinations of parts hereinafter fully described and claimed.

In the accompanying drawings, illustrating my invention: V

Figure l is a longitudinal, vertical section of my improved kiln.

Figs. 2' and 3 are transverse sections thereof, on lines 2-2 and 3-3, respectlvely, of'Fig. 1.

Referring to the drawings, 4 designates a drying chamber which is inclosed by suitable side walls 5 and 6 and top and bottom walls 7 and 8, respectively. One end of the chamber 4 is open, at 9, to admit air thereto, and the other endofthe chamber 4 is open, at 10, and communicates with the lower end of a stack 11 which forms a flue rising from one end of the chamber 4 and having an open top, as shown.

Theside'wall 5 of the chamber 4 is provided with openings 12 through which the material to be dried may be introduced to the chamber. In the drawings I have shown a car 13 carrying material to be dried and placed within the chamber 4 adjacent to the air inlet opening 9 thereof. The openings 12 are normally closed by vertically slldable doors 14 which are fitted to vertical guideways in bars 15 on the respective sides of the openings 12 and risingtherefrom." These doors 14 are provided with counter-welghts 16 which are attached tochains or cords 17 which pass around suitable pulleys 18 and are attached to the doors 14, as shown,

Specification of Letters Patent.

.lating wall 81 Patented July 3, 491"]. Serial No. 107,905.

whereby the doors 14 may be easily raised and lowered.

' he air entering the chamber 4 is heated by a radiator 19 arranged within the inlet opening 9 and provided with pipes 20 and valves 21 for the admission of steam to the radiator and the regulation of the steam for the desired degree of heat.

Arranged inwardly of the radiator 19 within the inlet opening 9 is a vertically adjustable partition wall 22 having slots 23 therein through which the air passes as it enters the chamber 4. The side edges of the partition wall 22 are slidably fitted in guideways in bars 24 on the side walls 5 and 6 and rising therefrom. The partition wall 22 is adapted to be raised from and lowered into the inlet opening 9, through a slot in the top wall 7 of the chamber 4, by means of a chain or cord 25 which passes around a pulley 26 on a horizontal bar 27 extending between the bars 24. One end of the cord 25 is attached to the wall 22, and the other end of the cord 25 is provided with a ring 28 which is adapted to be engaged with a hook 29 on one of the bars 24 to maintain the partition wall 22 elevated when desired. The series of slots or openings 23 increase in size or area from the top to the bottom of the partition wall 22 5 and the purpose of this is to heat the chamber 4 to as near a uniform temperature throughout as possible, as the heated air in the passageway naturally ascends when it passes through the chamber under the influence of a natural draft in the flue 11, As an additional means to keep the warm air down within the chamber 4, I provide a hinged damper 30 adapted to be lowered from the full line to the dotted line position, shown in Fig. 1, within the inlet opening 9 outwardly of the radiator 19.

The outlet opening 10 of the chamber 4 is provided with a regulating wall 81 adapted to be adjusted vertically to vary the size or area of the outlet opening 9. This reguis fitted to guideways 32 in the side walls 5 and 6 and in the wall of the stack 11, and it is adapted to be lowered from the position shown in Fig. 1, down into the outlet opening 10, and when so lowered it will direct the air within the chamher 4 downwardly as it passes from the chamber to the flue 11. Hinged, at 33, within the flue 11 adjacent to the top wall 7 of the chamber 4 is a damper 34 which is 31, and the other adapted to be raised on the hinge 33 from the full line to shown in Fig. 1. The wall 31 and damper 34 are connected by a chain or cord 35 which. passes over a pulley 36. One end of the cord35 is attachec end of the cord 35 is attached to the damper 3 1 near the edge thereof farthest from the hinge 33, whereby, when the damper 34: is raised, the wall 31 will be lowered, and when the damper 34 is lowered, the wall 31 will be raised for a purpose hereinafter explained.

The wall of the stack 11 opposite to the chamber at has an air outlet opening 37 therein which may be closed by a door 38 which is fitted to slide horizontally in guideways in the wall of the stack 11. This outlet opening 37 is provided with a fan 39 which may be operated by any suitable power and which is adapted to exhaust air from the chamber 4 through theopening 37.

The operation is as follows: The material to be dried is placed within the chamber 4; and, when the fan 39 is employed to exhaust air from the chamber 1, the damper 34: is lowered and the regulating wall 31 is thereby raised, thus causing thedamper 34 to form, in effect, a continuation of the chamber 4. The partition wall 22 is now raised from within the inlet opening 9, the damper 30 is raised to the full line position, and the fan 39 is operated to exhaust air from the chamber a and draw air into the chamber through the inlet opening 9 and around the radiator 19. The air thus passing through the chamber is heated by the radiator and effects the drying operation. Then the fan 39 is not used to exhaust air from the chamber 4, the damper 30 and the partition wall 22 are lowered, the damper 34 is raised, thereby lowering the regulating wall 31 into the upper portion of the outlet opening 10, and the door 38 is moved to close the opening 37. In this position of the parts, a natural draft is created within the flue 11, which draws air in through the inlet opening 9 and through the chamber l to effect the drving operation, the air passing out through the open top of the stack 11. The air is drawn to the lower portion of the outlet opening 10 due to the regulating wall 31 which assists the partition wall 22 in controlling the natural tendency of the heated air within the chamber 4 to ascend and which thereby assists the partition wall 22 in maintaining a substantially uniform temperaturethroughout the chamber 4.

I claim:

1. The combination of walls forming a drying chamber having an air inlet opening and an air outlet opening therein, means to heatair entering the inlet opening, an adjustable partition wall having air inlet openthe dotted line position to the top of the wall 7 .means to lating wall when 'flue andbeinghinged thereto-near one of ings therein and adapted to control the passage of air into said chamber, and means operative to adjust said partition wall.

2. The combination of walls forming a drying chamber having an air inlet opening therein, a stack rising from and form ing a flue communicating with-the other'end of the chamber, means to heat air entering the inlet opening, a vertically-adjustable, regulating wallzadapted-to vary the size of the opening between the chamber and the flue, an adjustable damper within said fine, and means operated by theudamper for adjusting the regulating wall when the damper is adjusted.

3. The combination of walls forming a drying chamber having an air inlet opening therein, the side walls of the chamber having vertical guideways therein, a stack rising from and forminga flue communicating with the other .end ofthe chamber, heat air entering the inlet opening, a vertically-adjustable regulating wall adapted to vary tween the chamber and the flue, a hinged damper within the flue, and means operated by the damper for adjusting the reguthe damper is adjusted.

the size of the opening be- 4. The combination of'walls forming a" drying chamber having an air inlet opening therein, the side walls of the chamber having vertical guideways therein, awstack rislng from and forming a-fiue communicating with the other end ofthe chamber, means to heat air entering the inlet opening, a vertically-adjustable regulating wall adapted to vary the size of the opening between the chamber and the fine, a damper withinthe edges adjacent to the regulating wall, a. pulley journaled above the regulating wall and the damper, and a flexible member connecting the regulating wall and the damper and passing over the pulley, having one of its ends attached to the regulating wall and having the other of its ends attached to the damper near the edge thereof farthest from its hinge, whereby when the damper is lowered it willmaintain the regulating wall elevated and when the regulating wall is lowered it will maintain the damper elevatec.

5. The combination of walls forming a drying chamber having an air'inlet opening therein, a stack rising from and forminga flue communicating with the other end of the chamber, means to heat air entering the inlet opening, a vertically-adjustable, regulating wall adapted to vary the size of the opening between the chamber and the flue, an adjustable damper within said flue, means operated by the damper for adjusting the regulating wall when the damper is adjusted, and means below said damper for exhausting air from said chamber.

said member its 6. The combination of walls forming a drying chamber having an air inlet opening therein, a stack rising from and forming a flue communicating 5 the chamber, means inlet opening,

to heat with the other end of air entering the a vertically-adjustable, regulating wall adapted to vary the size of the opening between the chamber and the flue,

an adjustable damper wi Copies of this patent may be obtained for five cents each, by addressin thin said flue,

hereto.

MONE R. ISAACS.

g the Commissioner of Patents,

Washington, D. G.

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