US929765A

US929765A - Kiln.

Info

Publication number: US929765A
Application number: US46238908A
Authority: US
Inventors: Robert W P Horn
Original assignee: Individual
Current assignee: Individual
Priority date: 1908-11-13
Filing date: 1908-11-13
Publication date: 1909-08-03
Anticipated expiration: 1926-08-03

Description

R. W. P. HORN..

. YKILN, APPLIOATION FILED HOV. 13. 1908.

a Patented Aug. 3.v 1909.

ltUIllllt'l W. l. HORN, 01" NEW CASTLE, PENNSYLVANIA.

KILN.

No. neef/e5.

Specification o'f Letters Patent.

Patented Aug. 3, 1909.

Application filed November 13, 190B. Serial No. 462,389.

To-all whom 'it may mncern.:

Beit known that l, ltonnn'r W. P. HORN, a citizen of the United States, residing at New Castle, in the county of Lawn-,nce and State' 0f Pennsylvania, have invented nov.

- Vand useful Improvements in Kilns, of which q' the 'following is a s eciication.

' Th1s invention re tes to improvements in kilns, and consists in certain improvements in the construction thereof as wi lbe hereinjiafter fully described and pointed out in the v,.elcilris.

7 The invention is artieularly adapted for 4inianulaeturing Port and cement. 4

cement is to Eplverizing.A

The common method of making Portland A repare the raw materials by lus pulverized material is fed 't0 kiln Whiehis rotated, the kiln being set vslightly on an incline. This inclination feeds the'material through the kiln. The combus- -tion material is all fed in throu h one end of the kiln. The elinker formed 1n the kiln is afterward ground or pulverized, so as to give it the powdered form of commenl Portland cement.

`The materials entering into Portland eement can be much more readily pulverized when in heated condition. In the preferred form of my invention therefore, I propose to heat the material initially to render it soft vand brittle, so that it may be readily crushed.

I prefer after this crushin j action to treat the material so crushed, whi e still retaining its initial heat, tothe linal burning or clinkeling process. ln my preferred form of kilns also,

the air and combustible fuel are delivered at different points in the kiln, so that complete combustion is iwcoinplished, and the tomperaturc of dll'erent parts of the kilnmoro readily controlled. as desired.

The further objects of my invention will appear from the specilicatiox'i and claims.

a .he invention is illustratml in the accomanying drawings as folien s:

` Figure] shows a central longitudinal soction of a lkiln on` tho line ]---l. in Fig. 2. Fig. 2. a cross section on the line 2-.-2 in Fig. 1. l marks the kiln walls. 'lhese ordinarily forin a lon narrow kiln. Airisadinittcd at 2,' he drut opening being provided with a ga ai. 2 for ,controllulgthe admission of air.

A stack 3 is vrovided at the o )osito end. of

`I l l the klln. lillelgirelerabl 1n the folrm of l pulverlzed coal is delivers -at various open .action-of the crusher.

ings 4 to the kiln: These may be arranged at different points along the length of the kiln to give the desired resultsas the distribution of heat and the best results as to the mixing of the coal and air. The fuel is delivered to the openings 4 through chutes 5 which are connected 'with a conveyor 6 for distributie the fuel to the several' chutes.

Arrange within the kiln is a long support` tonso that when reciproeatod oroscillated material will be fed from it by reason of the 'movement of the support. lhe support coni )rises the part 7 on .hich tho ran' materia is mixed and heated; a grinding pol'- tion 8 in continuation of the part 7; and a burning or elinkeringr portion 9 in continuation of the part 8. lhese are all incloscd in a metal 'shell 10, and the supports 7 and S) have surfaces of some refractory material such as lire briokl over the metal 10.

"lhe support has the ribs 12 arranged on its under side. Those ribs rest on the rollers 13. The rollers are mounted in bearings 14, and the bearings are mounted on the pillars 15, arranged on. the lloor of the kiln.

Ashaft 1G is arranged on the walls of the kiln and parallel to the support within it. This shaft is given an oscillating movement by any common mechanism for this purpose. lt is provided. with the rock arms 17 which are connected by the links 18 with arms 19 extending from the lower .part of the support. These are preferably arranged along the suplports, so as to move the support with as litt c strain as Jossible. 4

The materia is fcd to the support by a chute 20, and is discharged from the support to a conve er 21. The `art 8 is surfaced with material 11 adifpte to withstand the Crushing rolls 22 are erran ed above the metal 11, so that the heute material is, as the su port is oscillated, bron ht under the rolls 22 and vel-ized. T lese 'rolls are carried by the s aft slotted at 29, to allow for the necessary play as the support is pscillated.

u1- .l 10c 23 which extendsthrough the Wall of the I prefer to provide the dellcctor 27 over the rolls 22, so that the heated gases are carried by way ol' a liuc 28 around the rolls. In this way the temperature directly at the rolls is somewhat below than at other points on the su iport.

In the o )eration of the device, material is fed throngr i the chute 2() onto the part olE the support 7. 'lhc material is ordinarily in its raw state. the support is oscillatcd, it is by reason of oscillation and inclination of the support fed forward on the su )poi-t, and at the same time so heated to ren er it soft and brittle. It reaches the part 8 of the support in this condition, and is readily pulverized4 by means of the rolls 22 acting,r u on the outside surface 11. The material in t iis condition is discharged from the support onto the conveyer 21 from which it 1s carried out 'of thel kiln, and afterward pulverized and brought to the forni oi ordinary Portland cement.

lt will be noted, that thc sup' ort is so propm'tioned to the width of the ki n, as to leave a space 3() between it and the side walls of. thekiln. T he air passes through this space to the part above the support where combustiou actually takes place. In this way the air may be delivered to iliflerent'parts of the kiln as will be most ellicient in producinitr combustion and. regulating temperature.

What I claim as new is:

l. In a kiln, the combination of the walls; a support for the material bainsr treated arranged within the kiln; means for moving the material over the support; means for feeding fuel to the kiln above the su port; and devices for delivering air to tlie kiln below thesupport, the support and walls being proportioned to leave a space between the wal s and su )port for the passage of air.

2. In a kiln, the combination of t'he kilnv walls; a semi-circular support arranfed within the walls on which the materia is treated, said support bein" proportioned to the walls to leave a space between the walls and the support; means for delivering fuel to the kiln above the su iport; devices Vfor delivering,r air to the kiln lielow the support; and means for oscillating the support.

3. In a'kiln, the combination of the kiln walls; asupport within the walls for the material being treated, said sup ortl being so proportioned to the walls as to cave n. space etween the support and the walls; means for moving the nn'iterial lover the sup ort; means for deliveringV fuelto the kiln a4 ove the Vsu port; and means for delivering air to the k' nV below the support,v the air passim through thespace between 'the support an the walls tosup )ort combustion.

4. In a kiln, tire combination of. the walls a semi-circular support arrangedwithin the walls and proportioned to the walls to leave a space between the support and the Walls; means for delivering fuel tothe kiln above the support; devices for deliverin air belowf the support, the air passing throng the space between the support and the walls to support col'nbustion; and means for oscillating the support.

5. In akiln, the combination ofthe walls; a support arrai'iged within the walls on which the material is treated ,'*mcans for moving the material over the su port; means for delivering fuel at interva s along the sides-of the support; and means i'ordelivcring air to supi port combustion. f f

The combination of a^kiln;a support upon which the `rniiitcr'ial maybe treated,

and a crushei' in the 'kiln for operating.uponl :L

the heated material; `and means for convey@` ingl material iirra heated condition to the crusher. i y Y i,

7. The combination 'oid-a kiln; a erushei'jn the kiln; and means for carrying tlienlatcrial in a heated condition to the Crusher...

8. flhe combination of a kiln; a crushein l the kiln; means `for carrying the materialin .the material in a lieatedcondition from the moving support.

10. The combination of akilnijan oscillati ing support in .the kiln over which the matel rial is ed and a erusher in position to ''.eceive the material in a heated condition from the oscillating support.

11. 'Ihe combinationofa kiln; it moving support `within the kiln over whichthe material is fed; a crushefr in position 'toreoive the material in a heated condition from the4 movin g support; anda second movable support over w uch the "material is fed andtreated by heating, 1n position to receive the material i" rom the crusher in a heated conditio'ii.f`

12. The combination of a kiln; a moving supportwithin the kiln over which thei'miitei rial is fed; a crusher in positionto receive the material in a heated condition from the n ioving support; and a second movable support, over which the material is'fed and treated by heatin f, in position to receive the materia-l from t `ie crusher in a heated condition.

1 3r yThe combination of Va'kiln; a moving" support Within the kiln everwhioh the ina-- trlal is fed' I'acrusher in position to receive the materia in a heated condition from the moving sup ort; anda second movables port, over w., 'ch the material is fed and trel ed b heating, in positiointo receive the Illia#-l vteria from thecrusher in a heated condition sind second Support bein rigidly commited with the first support an' movin with it.

14. The combination with a k ;l a movable support arranged in the kiln over which the material fed; and a crusher arranged 15. TheI oombiliution of n kiln; a movablc l support arranged on inclination in tho kiln; und grinding wheels nrrnngod inboi'inodintcly on the ends 0l sind sup mrt, nirnnffoil to operate thereon to crush t, lo nnrtorinl` ns it, moves on the. su port.

on the kiln over which the material is foil n Crusher arranged internieilintely of the ends ofthe support and o eruting upon the, matinrial as it is fed on t 1e support; und flevicos forde'lecting the heat, away from tlm Crusher.

17. The combination of a kiln; n. movableY semi-alrcular support 1n the kiln; crushing wliools ni'rnngofl to opornto upon tho su )port intormodintoly of its ondsynnd n (lolloctol nrrnngml over the crushingI wlioolal for dvlocting the lnnibod games ol' Lilo kiln.

18. 'llio combination ol' n kiln; n support arranged in the kiln; moons l'or loading tho- Innt'orinl oontil'luounly ovm' tlm snplnnl; nnil n, cruslior nrrnngod inorincilmtoy ol' Lino @nils ol' Llio Huliporl for (,1u:-l\in;r innlcrlnl ns 16. The combination of n kiln; n support it foil over t le support.l

ln testimony w'lioreol', l lnwo lnu'ounto soi my hund 1n the presence ol two subscribing witnesses.

.ROBERT W. l. lIUllN. W'itnosnon:

lllanlncnr M. Moonic, l1. A. JonNH'roN.