US677878A - Steam and gas generating apparatus. - Google Patents

Description

No, 677,878. Patented July 9, mm.

.1. c. MERRILL. STEAM AND GAS GENERATING APPARATUS.

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Patented July 9, I90l.

J. C. MERRILL.

STEAM AND GAS'GENERATING APPARATUS.

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- UNITED STATES PAT NT OFFIQE.

JOHN C. MERRILL, OF WESTPHALIA, KANSAS.

STEAM AND GAS GENERATING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 677,878, dated July 9, 1901.

Application filed April 24,1900. Renewed December 13, 1900. Serial No. 39,768. (No model.)

To all zuhom it may concern.-

Be it known that I, JOHN C. MERRILL,a citizen of the United States, residing at Westphalia, in the county of Anderson and State of Kansas, have invented a new and useful Steam and Gas Generating Apparatus, of which the following is a specification.

My invention is an improved combined steam and gas generating apparatus, the object of my invention being to combine with a steam generating apparatus and engine a gas-generating apparatus in which the exhaust-steam from the engine is returned to the boiler, in which steam from the boiler may be utilized to circulate through a hydrocarbon-tank to raise the temperature of the hydrocarbon and vaporize the same for the production of gas, which is partly used for generating steam in the boiler and may be also utilized for lighting and heating purposes generally.

My invention consists in the peculiar construction and combination t devices hereinafter fully set forth, and pointed out in the claims.

In the accompanying drawings, Figure 1 is a diagrammatic vertical sectional elevation of a combined steam and gas generating apparatus embodying my improvements. Fig. 2 is a similar view of the same on a horizontal plane. Fig. 3 shows the weighted checkvalves adjustable on graduated arms.

The boiler 1, which is here shown as of the vertical type, but which may be of the horizontal type, if preferred, is provided at its upper and lower ends with steam-chambers 2 3, which communicate with each other through a series of tubes 4, which extend through the boiler. A water-tank 5 is similarly provided with steam chambers 6 7, which communicate with each other through tubes 8. A gas-generating tank 9 is also similarly constructed, having steam-chambers 10 11, which communicate with 7 each other through a series of tubes 12 -A hydrocarbon-tank 13 communicates with the said gas-generator through pipes 14 15 near the upper and lower ends of the gas-generator. A suitable valve 15 is in the pipe 14, and a suitable valve 16 is in the pipe 15.

A pipe 17 establishes communication between the water-tank 5 and boiler 1, near the 28. chamber 3 of the boiler to the lower steamupper ends thereof, and is provided with a valve 18. Said water-tank and boiler are also connected together at a suitable point below the water-line by a pipe 19,which has avalve 20. The respective steam-chambers 2 6 of the boiler and water-tank communicate with each other through a pipe 21, having a valve 22, and the respective steam-chambers 3 7 of said boiler and water-tank communicate with each other through a pipe 23, having a valve 24. A pipe leads from the steam-chamber 2 of the boiler to the steam-chamber 10 of the gasgenerator and is provided with valves 26 27 A pipe 29 leads from the lower steamchamber 11 of the gas-generator and is provided with weighted check-valves 32 33, the weights on which are adjustable on graduated arms, as shown. (See Fig. 3.) A pipe 34 leads from the pipe 29 to the water-space of the boiler. A pipe 35 leads from the steam space of the boiler to an engine, (illustrated diagrammatically at 3.6,) with which communi cates an exhaust-chamber 37,which is in communication with the pipe 29 through a pipe 38 and'is provided with a vent or blow-0ft cook 39. An injector 38 is interposed in the coupling between the pipes 38 34 29, and pipes 29 38 are connected together by a valved tube 54. A check-valve 55 is located in pipe 38. A steam-pump 40 is operated by the engine and is provided at opposite ends of itscylinder on opposite sides of its piston with valved passages 41 42 43 44. Pipes 45 46 respectively connect the exhaustchamber 37 with the valved passage 41 and the valved passage 42 with the pipe 25 at a point between the valves 26 28, and similar pipes 47 48 respectively connect said exhaust-chamber 37 with the valved passage 43 and the valved passage 44 with the pipe 25 at a point between the Valves 26 27. A gas-service pipe leads from the upper portion of the gas-generator and conducts to suitable burners and alsoleads to burners 49 50,which are located, respectively, under the boiler 1 and the water-tank 5. The pipe 35 has the usual throttle-valve 51.

The operation of my invention is as follows: Assuming steam to have been generated in the boiler and communication to have been cut off between the latter and the water-tank and the gas-generator, the throttle-valve 51 being open, the engine 36 is started in operation for the development of power to be utilized for any purpose. The exhaust-steam from the engine passes into the exhaust-chamber 37, and the pump 40 being assumed to be in operation the exhaust-steam is forced thereby to the steam-chambers 2 3 of the boiler through the pipe 48 and compressed therein to any desired degree, thereby raising the temperature of the Water in the boiler, and hence the pressure of the steam generated therein. When the pressure of the exhauststeam in the communicating steam-chambers 2 3 reaches the desired degree, the weighted valve 32 opens and the said pressure is relieved bypassing through the pipe 34 into the boiler through the operation of the injector 38". If the valve 27 is open, the exhaust-steam passes through the steam-chambers and the pipes 12, respectively, in the gas-generator, thereby heating the body of hydrocarbon contained in the latter and vaporizing the same, the gas passing therefrom through the gasservice pipe 48 and a portion thereof being tion of steam in the, boiler and the heating of water in the Water-tank 5. Vteighted valve 33 readmits the exhaust-steam when the same is at the desired pressure from the steamchambers of the gasenerating tankto the body of the boiler through the operation of the injector, as before'described in connecof hydrocarbon to supply the gas-generator,

as will be understood. When the pump is in operation and the valve 28 open and the valve 26, closed, the pump serves to force the exhaust-steam through the steam-chambers and tubes both of the gas-generator and of the boiler.

A horizontally-disposed pipe 52,- located at the Water-level in the boiler, is provided with a series of openings 52*" in communication With the interior of the boiler, and the said pipe passes outward through the shell of the boiler and is provided with a blow-off cool: 53, thus providing for the discharge of foam and preventing the boiler from foaming.

Having thus described my invention, I claim- 1. In a steam-power and gas generating apparatus, the combination with a steam-boiler and gas-generating tank, each provided with communicating steam-chambers, of an engine and means to supply said steam-chambers with exhaust-steam and compress the same therein, substantially as described.

2. In a steam-power and gas generatin g apparatus, the combination with a steam-boiler and gas-generating tank, each provided withv communicating steam-chambers, of an engine and means to supply said steam-chambers with exhaust-steam and compress the same therein, and means to return the exhaust-steam to the boiler, substantially as described. utilized at the burners 49 50 for the genera- 3. In a steam-power and gas generating apparatus, the combination with a steam-boiler and gas-generating tank, each provided with communicating steam-chambers, of an engine to supply said steam-chambers with exhaust-steam and means to cause said exhauststeam to circulate through said steam-chambers, steam-boiler and gas-generator, for the purpose set forth, substantially as described.

4. A steam-boiler having communicating steam-chambers, in combination with an en gine and means to supply said chambers with exhaust-steam and compress the same therein, substantially as described.

5. A steam-boiler having a chamber for. exhaust-steam, and means to supply said chamber with exhaust-steam and compress the same therein, substantially as described.

In testimony that I claim the foregoing as my own I have hereto afiixed my signature in the presence of two witnesses.

JOHN G. MERRILL.

\Vitnesses:

J. M. CLARK, J. E. STEPHENSON.-

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