US942501A - Retort for the manufacture of illuminating-gas. - Google Patents

Description

C. W. ISBELL. RETGET FOR THE MANUFACTURE OF ILLUMINATING GAS.

APPLICATION FILED DEG. 2, 190B.

Patented Dec. 7, 1909.

2 SHEETSSHEET l.

C. W. ISBELLI BETOBT FOR THE MANUFACTURE OF ILLUMINATING ms.

APPLIOATIOH FILED DBO. 2, 1908.

Patented Dec.7, 1909.

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CHARLES W. ISBELL, OF NEW YORK, N. Y.

sensor.

Specification of Letters Patent.

Patented Dec. '2,

Application filed December 2, 1908. Serial No. 465,602.

To all whom it may concern:

Be it known that 1, CHARLES W. lsnnLL, a

State of New York, have invented a new and useful Improvement 1n Retorts for the Manufacture of Illuminating-Gas, of which the following is a specification.

This invention consists in 'certain imtroducing the secondary air directly into the combustion chamber instead of into the furnace ilu'c as heretofore: third, to provide a gas flue in a rctort, communicating at intervals with the interior of the retort: fourth,

to provide a step by step enlargement of the area of the retort from the top to the bottom thereof so as to accomplish the double purpose of forming afrcc gas space under each step from which a flue leads to the gas flue in the retort, and of allowing a sudden expansion of the coal at intervals asit passes down through the retort instead of the gradual expansion as is usual: fifth, to provide a revolving brake atthe bottom of the retortwhich forms asupport. for the column of coke and coal, and sixth, to provide a ram for removing thev coke at the desired speed.

A practical embodiment of my invention represented in the accompanying drawings which show a bank of four retorts, it being understood that the number of retorts may be varied to suit different requirements. Figure l is a vertical section taken in'the planes of the lines A-A of Fig. 2, looking in the direction of the arrows; Fig. 2 is a horizontalsection taken in the plane of the line 'B-B of F 1, looking in the direction of the arrows; Fig. 3 is a transverse section taken in the plane of the line C of Fig.

2, looking in the direction of the arrows;

Fi l is a ilan view of one of the retort secy 1 t1ons and E1 0 IS a section tauen 1n the planes of the line D D of Fig. '-l-, looking in the direction of the arrows at iortion of the 1 next adjoining retort section being shownin longitudinal vertical central section.

The four vertical retorts 1, 2, 3, 4, are arranged in two parallel rows within the con1- bustion chamber 5, through which chamber, between and around the said retorts, the products of combustion from the furnace 6 audits line 7, circulate to the chimney line 8 through the sidelines 9 and 10. The secondary air is fed directly into the combustion chamber instead of into the furnace line as heretofore. 1n. the present instance this secondary air is fed fromsidc flues ll, 12 and their common line 13 and openings l-l, i5, 16, through the Hour plate 17 of the corn bustion chamber 5 and its lire-brick lining 18. This tloor plate 17 is supported by suitable columns lt) and. the retorts are supported by said floor plate and by the structure of masonry which includes the furnace (5.

Beneath the floor platc l7, I provide a casdip pipes 21. which form downward extensinus of the retorts 1, Q, 3, l. This casing has an up vat'dly inclined outlet for the coke and further provided with a double inclined main bottom .33 and a false fiat bottom The space between the main bottom 23 and the false bottom 2 adapted to re ccivc the tar, and a suitable pipe 25 is provided for removing the tar. \Vater is introduced into this casing 20 to a point slightly above the lower ends of the dip same, the space 26 between the water level and the floor plate 17, forming a gas chamher. A system of piping 27 leads from the gas chamber 26 for conveying the gas to any desired point. p

Revolving supports 28 are iixcdlymounted on shafts 29'below the bottoms of the several retorts, which supports also serve to agitate the coke at the bottoms of the retorts and cause the same to be deposited on to the false bottom 24 of the casing. The two shafts 29 may be rotated at the desired specd from any suitable source of power, not shown herein. Suitable means, not shown herein, are provided for feeding the coal continuously intothe tops of the several rctorts.

The coke is removed little by little upwardly through-the inclined outlet 22, by means of a ram EEO-reciprocating on the false bottom 24, which ram is driven by a suitabl engine 31. v

Each of the retorts increases in. area F ag} pipes 21, so as to form a water seal for theing 20 into the interior of which proj ect the by step from the top to the bottom. thereof, so as to serve the double purpose of permitting a sudden expansion. of the coal at inter vals during'its downward movement and also of providing gas spaces under the said steps. In the present instance this step by step enlargement of'the retort is provided for by forming the retort of hollow sections having parallel bores, the top section having a bore of a certain diameter and the succeeding sections having bores of gradually increasing diameters. Each retort is provided with one or more main vertical gas lines; in the present instance two of these gas tines 32 are provided, the lower ends of which are open through the floor plate 17 andlining 18 .into the chamber 26 and the upper ends of which fines are provided with suitable plugs 33 throughwvhich steam may be admitted for preventing the overheating and consequent decomposition of the gas as it passes down into the gas chamber. I Diagonal gas fines 3d leadupwardly from the stepsin the interior of the retort, into the main gas fines 32, thus affording an outlet for the gas which collects in the spaces beneath the said steps. This gas passes downwardly throu h" these tines 32 into the gas chamber 26. he rest of the gas passes downwardly through the water seal at the bottom of the retort and bubbles upwardly into the said gas chamber 26,

ill/here the retorts are arranged in parallel series as shown in the accompanying drawings, the two retorts 1 and 3 nearest to the ,lt'urnace, are connected to the furnace wall and are also connected to the next two retorts 2 and 4, so that the products of combastion .as they pass from the furnace 6 through the flue 7, have to first pass between the adjacent walls of the retorts and from thence to the chimney branch flues 9, 10, along the outer walls of the said retorts, thus insuring the utilization of the products of "combustion to the best advantage. Furthermore, the secondary air which is introduced through the openings 14, 15, 16, is intro duced at the enlarged spaces in the combos tion chamber Where the secondary air may be readily mixed with the products of com bustion t'rom thet'urnacc to produce the greatest heat at the desired points. Another great advantage of introducing the secondary airdirectlyinto the combustion chamber instead of into the furnace fine, is that the greatest heat of the products of combustion is insured within the comlmstion chamber and not within the furnace flue where the tendency has been to heat the Walls of the fiirnace fine to a melting point. I

What I claim is: I 1. In 'an apparatus of the character de scribed, a common closed gas chamber and a plurality of upright retorts arranged to discharge their gas from the bottoms thereof into said common closed gas chamber.

, 2. In an apparatus of the character described, a luralityot upright retorts arranged to 'ischarge their 'as from the bottoms thereof, a WiltQKiSetIl or the bottoms of the retorts anda common closed gas chamber above the said Water seal arranged to re 'ceive the gas as it is discharged from the bottoms of the said retorts.

3. In an apparatus of the character as;

scribed, a closed gas chamber and an upnight retort having an open bottom and arrahged to discharge its gas through the bottom into the said closed gas chamber, said retort having a main gas flue located within the walls tort having a pluralityof main gas fines located within the Wallsot the retort and opening at their bottoms directly into said closed gas chamber and branch fines leading ranged to discharge its gas through the bottom into said closed gas chamber, said refrom the interior of the retort at different 1 points along the same into the said main gas flues. v I

5. In an apparatus of the character described," a common closed gas chamber and a pluralitynof upright retorts arranged to discharge their gas from the bottoms thereof into said common gas chamber, each of said retorts having a main gas flue therein opening at its bottom directly into said common gas chamber and branch fines leading from the "interior of the retort at different points along the same into said main gas flue.

6. In an apparatus of the character dc I scribed, a common closed gas chamber and a plurality of upright retorts arran ed to discharge their gas from the bottoms t eieof into said common as chamber, each of said retortshaving a purality of main gas fines therein opening at their'bottoms directly'.

into said common gas chamber and branch flues leading from the interior of the retort at different points along the same into said *nain gas fines. i

' 7. In an apparatus-of thecharacter described, an upright retcrt, a Water seal for its bottom and a gas chamber above said water seal, said retort having a main gas flue therein opening at the bottom into said chamber and branch tlues leading from the interior of the retort at different points along the same into said' main gas flue whereby the gas is discharged from thebottom of the retort.

8.1m an apparatus, of the character described, an upright i'etort, a water seal for its bottom and a gas chamber above the water seal. said retort having a plurality of main gas tines therein opening at the bottom into said chamber and branch tines leading from the interior of the retort at diil'erent points along the same into the said main gas. fines whereby the. gas is discharged from the bottom of the retort.

.l. In an apparatus of the eharat'rter dcscribed, a jilurality of upright retorts a water seal for their bottoms and a gas chamber above the water seal, each of said retorts having a main as fine therein opening at the bottom into said gas chamber and branch lines leading from the interior of the retort at dill erent poinlsalong the same into said main gas line whereby the gas is discharged from the bottom of the retor 10. In an apparatus oi the character described, a plurality of upright retorts and a water seal for their bottoms; each of said retorts having a plurality of main gas tines therein opening: at the bottom into said gas chamber and branch tines leading from the interior of the retort at different points along the same into said main gas lines whereby the gas is discharged from the bot.-

12. in an apparatus of the character dc.-

scribed. a gas chan'iben an upright retort ha ving a plurality of main gas lines therein opening at the bottom into said gas chamber and branch tines leading from the interior of the retort at different points along, the ame into said main gas llues whereby the gas is discharged from the bottom of the retort and means for introducing steam at the tops of the main gas lines for preventing the over-heating and consequent decomposition ot the gas as it passes down into the gas chamber.

'13. In an apparatus of the character de: scribed. a gas chamber, a plurality of up right rctnrts each having a main gas tlue therein opening at the bottom into said chamber and branch tines loading from the interior of the retort, at ditlerent points along the same into said main gas flue-Where by the gas is discharged from the bottom of the retort and means for introducing steam at the top of the said main gas flue for preventing the over-heating and consetpuznt decompo ition ot the gas as it passes down into the chamber.

14. In an apparatus of the character described. av gas chamber, a plurality of upright retorts each having a plurality of main gas fines therein opening at the bottom into said gas chamber and branch fines leading front the interior ot the retort at different points along the same into said main gas tines whereby the is discharged from the bottom ofthe retort and neans for intro ducing steam at the t0ps-of the maingas fines for preventing the over-heating 'a-iid consequent decomposition of the gas as it passes down into he gas chamber.

15. In an apparatus of the character de scribed, a plurality of upright retorts, a

combustion chamber surrountiling the same, a 'furnace having its flue leading into the front of the combustion chamber above the bottom thereof and means for leading" a sup-, ply of secondary air directly into said com-o bustion chamber upvardly through the bottom at diti'erent'. pointsfrom the front to the back thereof.

16. In an apparatus of the character descril'ied. a plurality of upright retorts arranged in two series. a combustion chamber surrounding the retori's, a furnace having its tine leading into the front of the combustion chamber at a point between said series of retorts and above the bdttom of the combustion chamber, chimney fines leading from the front of the combustion chamber at "points outside the series of retorts and means for leading a supply of secondary air directly into said combustion chamber upwardly through the bottom at diil'erentv points between said two seriesfot' retorts from the front to the back of the cmnbnstion chamber.

17. In an apparatus of the character described, an upright retortarranged to dis charge its gas from the bottom thereof. a casing surrounding the bottom of the retort an outlet for the casing; a water seal within the casing for the bottom of the retort. a is chamber formed above said water seal into which the gas is discharged from the battom of the retort and means for removing the coke from the casing through its outlet con tinuously.

' 18. In an apparatus otfthe character described. a' plurality of upright retorts ar ranged to discharge their gas from the bottoms thereof, a casing surrounding the bittoms of the retorts, an outlet for the casing, a water seal within the casing for the bottoms of the retorts, a chamber formed above the said water seal into which the gas is discharged from the bottoms of said retorts and means for removing the coke through said outlet continuously.

195111 an apparatus of the character de scribed. an upright retort arranged to dis charge its from the bOllOln tlltl'tt-lf, a casing surrounding the not tom 01" the retort,

an outlet for the casing, a Water seal within the casing for the bottom of the retort, a gas chamber formed above said water seal into which the gas is discharged from the bottom of the retort, means for removing the coke from the casing through its outlet continuously, a sup ort for the contentsof the retort located elow thebottom of the retort and means for rotating said support to agitate the coke atthe bottom of the retort.

20. In an apparatus of the character dc toms of the rctorts and means for rotating said supports to agitate the cake at the bott toms of the said reto'rts.

21. In an apparatus of the character described, an upright retort, a casing sur rounding the bottom of the retort, said casing having a main bottom'and a false bottom including between them a tar removing space and a water seal within the casing for the bottom of the said retort, a gas chamber bein formed above the water seal into whicn the gas is discharged from the retort.

In an apparatus of the character described, a plurality of upright retorts, a cas- .ing surroundingthe bottoms ot the retofts, said casing having a main bottom and a false bottom including between them a ta'r removing space and a water, seal Within the casing for the bottoms of the said retorts, a gas chamber being formed above the Water seal into which thegas is. discharged fro the said rotor-ts."

- 23. In an apparatus of the character described, an upright retort, a casing surrounding the bottom of the retort, said casing havinga main bottom and a false bottom including between them a tar removing space, and a water seal within the casing for the bottom of the said retort, a gas chamber being formed above the water seal into which the gas is discharged from the retort, an outlet for the said casing and a reciprocating ram on said false bottom arranged to remove the coke. continuously fromthe cas ing through said outlet.

24. In an apparatus of the character described, an upright retort, a casing surrounding the bottom of the retort, said casing having a main bottom and a false bottom including between them a tar removing space and a water seal withi tis the casing for the I bottom of the said retort, a gas chamber be- 4 ing formed above the water seal into which the gas is discharged from the retort, an

outlet for vthe said casing. a reciprocatingv seal into which the gas is discharged from said retorts, an outlet for the said casing and a reciprocating ram on saidi'alse bottom arranged to remove the coke continu ously from the casing through. said outlet.

26. In an apparatus of the character described, a plurality of upright retorts, a cas 1 ing surrounding the bottoms of the retorts,

said casing having a main bottom and a false bottom includmg between them a tar removing space and a water seal Within the casing for the bottoms of the said retorts, a gas chamber being formed above the Water seal into which the gas is discharged from the said retorts, an outlet for. the said casing, a reciprocating ram on said false bottom arranged to remove the colic continuously:

from the'casing through said outlet and revolving grates at the bottoms of the retorts forming supportsior the contents of the said retorts.

In testimony, that I claim the foregoing as my invention, I have signed my name in presence of two witnesses, this thirtieth day of November 1908.

CHARLES W. ISBELL.

-Witnesses:

F. (inonon BARRY, l-Innnr TII1EME.

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