US469860A

US469860A - koneman

Info

Publication number: US469860A
Authority: US
Publication date: 1892-03-01
Anticipated expiration: 1909-03-01

Description

2 Sheets-Sheet 1. A

Patented Mar. l, 1892.Y i

(ANO Model.)

W., A. KONEMAN. APPARATUS 'POR UTILIZING WASTE HEAT.

l fw! (No Model.) A 2 sheets-"sheen 2'. W..A. KONEMAN. APPARATUS POR UTILIZING WASTE HEAT.

No. 469,860. Patented Marpl, 1892.

UNITED STATES PATENT OFFICE.

IVILLIAM| A. KONEMAN, OF CHICAGO, ILLINOIS, ASSIGNOR TO THE CHICAGO HEAT STORAGE COMPANY, OF SAME PLACE.

APPARATUS FOR UTILlZlNG WASTE HvEAT.

SPECIFICATION forming part of Letters Patent No. 469,860, dated March 1, 1892.

l Applioationled May 8, 1891. Serial No. 392,099. V(No model.)

To @ZZ whom it may concern:

Be it known thatl, WILLIAM A. KONEMAN, a citizen of 'the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in IVaste-Heat-Utilizing Apparatus, of which the following is a specification. The obj ect of my invention is to provide an especially effective apparatus for utilizing the Io waste hot products of combustionv on their way from a furnace or other heater to the stack for heating previous to its admission to such furnace air for promoting combustion of the fuel employed, thereby to attain the obviously resultant economy in fuel and incia Vertical section of the device illustrated in Fig. 2. Fig. lis a section taken on the line 3o 4 4 of either Fig. 2 or Fig. 3 and viewed in the direction of the arrows.

The generally-stated plan of my improvedapparatus is to have controllably communieating with the outlet or outlets for the products of combustion of a furnace orany number of furnaces, but extraneous therefrom, the waste-heatutilizing device interposed in the course of the products of combustion to the stack and vcontrollably communicating 4o with the air-supply to it and through it to the furnace. The waste-heat-utilizer is divi-ded into separate controllably-intercommunicating chambers, each of which contains an interstitial pile of non-combustible material, as

checker-work of fire-brick. The Waste products of combustion from the furnace or furnaces are caused to pass through, one at a time of these checker-chambers, to the stack, thereby giving off their heat to the checker- 5o work, which is thereby reduced to avery hot state, so that when the products of combustion reach the stack they are greatly reduced in temperature, thereby avoiding excessive heating of the stack. Then the checkerwork in one of said chambers has attained the temperatureof the hot products of combustion passed through it, so that it will take from them no more heat, the outlet from the furnaceorfurnaces is caused to comm unicate with the stack through the other checker-chamber 6o to heat it in the same manner. At the same tim e th e chamber already heated, as described,

is caused to communicate from one end with the air-supply and from the other end with the combustion-chamber of each furnace to cause the air to be heated by the checker-work on its course to such combustion chamber. Thus each of theYchecker-chambers is alternately heated by and utilized to give up its heat abstracted from the waste products of 7o combustion to be reconveyed with the air to the combustion-chamber of each furnace in the system. But one waste-heat utilizer is required for any desired number of furnaces, though the capacity of each chamber or of the utilizer should be in proportion to the entire waste-heat-Iiue area and the aggregate of interstices in the checker-chamber should be about one-fifth greater than the Waste-heatflue area to allow for friction through the in- 8o terstices of the checker-work.

Following is a detailed description of my improved apparatus employed with. only one furnace, as shown, though with the foregoing` explanation its employment with a number of furnaces will be readily understood.

A is the furnace, of which Bis the combustion-chamber, and C is the outlet-pipe for the 'partition r, extending to the head q into two chambers filled with spaced fire-brick, as shown, and forming checker-chambers Eand E for storing waste heat, as hereinafter described. The head q terminates in a crown p, into which the pipe C leads. In the head q at the upper end of the partition fr is a Ion valve o on a rock-shaft n, journaled at opposite sides of the structure and protruding beyoud one side of the same, as shown in Fig. 2, for a purpose hereinafter described. At the one side of the base of the utilizer D isa horizontal ue F, passing ports m and Zin the adjacent side of the said base and leading to the stack. (Nottshown.) Valves kandzare supported to be raised and lowered in suitable guides with relation to the ports 'm and l to open and close them to the fiue F.

G is a horizontal flue extending across the base of the opposite side of the utilizer D and leading to the combustion-cha1nber B of the furnace A. In this side of the said base are ports fm and Z', corresponding with the ports m and l and opening into the iiue G, which passes them, and, like the ports Z and m, having their communication with the Vadjacent flue controlled by valves k andi. The valves k and 7c are connected `together bya cable `h, passing over a guide-pulley h', supported to extend from a side of the crown p, and the valves c' and t" are similarly connected by a cable g, passing over a pulley g,.supported to extend from the opposite side of 4the crown, other pulleys v being provided to guide the cables over the head.

In one side of the utilizer D, (see Fig. 2,)

A near its upper end, oriu .the head portion q thereof, are ports f and f', leading, respectively, from the air-supply (orouter air) into the chambers E and E', and having pivoted adjacent to them the covers or valves e and e', connected from corresponding points, where links e2 extend from them, with 4opposite ends of a lever d, secured at its ceuterto the protruding end of the rock-shaft n. The lever d has extending from itctransversely an arm d', which renders it a double bell-crank. I

Above the ports f and f ,are guide-,pulleys o', over which extends Aa branch cable c,connecting the two cables .h and g, and with the cable c is connected the arm d of the bellcrank.

From the foregoing description of the apn paratus the operation will be understood to be as follows: The valve ois adapted to 4beA turn ed :by the shaft n from the position shown .of .bearing iat rits free .end against a stop o',

Figr, wherein itshutso thechamber E from the pipe C and opens communication of the latter .with the chamber E .to the position of so bearing against ,the stop o2, wherein it opens communication to the chamber E from the pipe and closes that from the pipe-to the chamber E. Turning of .the shaft n to throw the valve o is produced by properly pulling the cables h g. Thus to have thrown the said valve to the position illustrated the pull may have been exerted on the ycable g, and the effect thereof was not .only to throw the valve o through connection of the bell-crank with the branch cable c, but also to lower the lvalve z' and raise the valve i', thereby closing the port Z to the stack-flue F and .opening the port Z to the air-fine G and to raise the valve lo and lower the valve lo', thereby opening the port m to the stack-flue andl closing the port m tothe air-flue. A further result of the operation described was, by the resultant action of the lever d, to open the air-inlet port e and close the port e', so that the ultimate result produced was to enable the hot products of combustion from the pipe C to pass through thechecker-chamber E and outto the stack by way of the fine F, thereby heating the checker-work, and to admit air into the chamber E and direct it through the latter to the combustion-chamber of the furnace by way of the iiue G. If, as is to be supposed, the chamber E has been previously heated in the manner the chamber E is being heated, the air passed through it will be heated on its way to the furnace.

It should be .stated that I provide in the upper end of each checker-chambera detlector a, Fig. 4, extending from oneside thereof ato prevent the draft from drawing the products of combustion through only a portion of the brick -work, which would prevent uniform heating thereof and .entail 'loss'of the heat. The mechanism is thus adapted tobeoperated to induce the passage of products of combustion and that of air through keach checkerchamber, the former to thestack and the llatter to the combustion-chamber `through .each of the checker-chambers, the periods at which the chan ges are madebeing dependent on the condition as totemperature of theair-.heating Athe fuel employed for .the furnace Aand lthe latter -be of a kind adapted to be heated vwith the gas. The opportunity :for using such waste gas for heating the chambers would arise whenever the fuel-supply .-to the furnace .and as a consequence the .operation .of the producer are discontinued temporarily, when, of course, the distillationof gas in the producer is not stopped immediatelibutvcontinued until the Amaterial(coal) has been `used up. The product .thus arising I referto .by the term waste gas, which, instead ,of :being wasted, serves for heating ,the checkerchambers. It alsoserves to sburn outa-ny soot that may bedeposited in Athe nterstices Aof the checker-work.

The Vfines F and G, instead of being .pro vided at opposite sides of .the structure D, may be on the same side thereof aud,;i1f desired, imposed one on the other. :Changes such as these are too obvious to require illustration.

IOC

What I claim as new, `and desire to secure by Letters Patent, isa

heat-utilizing apparatus D, separate and extraneous from the heater and interposed between it and the stack and comprising checker-chambers E and E', separated by a Wall r and provided With an air-supply port at the inlet end and with ports m and Z and'm and Z at the outlet end, a flue C, leading from the discharge end of the heater to the inlet end of the checker-chambers, a stack-flue F, leading from the said checker-chambers past the portsm and Z to thestack, valves Za and z' for controlling communication between the fine F and chambers E and E through the ports m and Z, a hot-air iiue G, leading from the said chambers past the ports m and Z t0 the heater and provided with valves k and z" for controlling communication between it and the chambers'through the ports m and Z', and a valve o, interposed between the checker-chambers at their inlet end and connected With the said valves of the other ports of the apparatus and operating through said connection by turning it to produce simultaneously communication of the flue C with the stack-Hue F through one chamber and of t-he hot-air flue G through the other chamber with its air-inlet port, substantiali y as described.

2. In combination with a heater A, a wasteheat utilizer D, divided by a Wall 'r into chambers' E and E', containing interstitial piles of incombustible material and having a common inlet in the upper part of the structure, into Which the pipe C from the heater leads, airinlet ports f and f,leadinginto the chambers and provided with valves e and e', a valve 0, supported above the Wall fr on a roek-shaftn, carrying a lever CZ, With Which the valves of the air-inlet ports are -connect-ed, a flue F, leading to the stack from one side of the base of the device D and communicating With the chambers through ports m and Z, having valves Zaand t', and an air-flue G, leading to the heater from the opposite side of the device D- and communicating with the chambers through ports m and Z, having valves Zo and 71', connected, respectively, with the valves k and z' and with the lever d, the whole being constructed and arranged to operate substantially as described.

WILLIAM A. KONEMAN.

In presence of- J. W. DYRENFORTH, M. J. FROST.