US356587A - Process of and apparatus for manufacturing qas - Google Patents
Process of and apparatus for manufacturing qas Download PDFInfo
- Publication number
- US356587A US356587A US356587DA US356587A US 356587 A US356587 A US 356587A US 356587D A US356587D A US 356587DA US 356587 A US356587 A US 356587A
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- US
- United States
- Prior art keywords
- gas
- still
- pipe
- air
- retort
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J1/00—Production of fuel gases by carburetting air or other gases without pyrolysis
- C10J1/207—Carburetting by pyrolysis of solid carbonaceous material in a fuel bed
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
Definitions
- PETEWS mowlizm ra her. Washington. D. C.
- the invention relates to the process of and means for manufacturing gas which may be used for motive power or for heating and illu- I 5 minating purposes, and has for its object the production of a superior quality of gas at a greatly-reduced cost as compared with the systems for making gas in general use.
- Figure 1 represents a perspective view; Fig. 2, a longitudinal section; Fig. 3, a longitudinal section of the retort or still; Fig. 4, a rear end view of the still; Fig. 5, a horizontal section of one of the carburetors on the line so a: of Fig. 2.
- A represents a retort or still contained withina furnace, B, and is arranged concentrically in the cylindrical portion thereof, so as to form an annular passage, 0, for the products of coinbustion and cause them to surround the retort.
- a shaft, D passes through the retort, and is journaled in each end, as shown at u. a, and upon the shaft are secured two spiral 5o blades, 12 Z), curved in opposite directions.
- the end of the shaft D which projects out of the rear end of the still is provided with two pulleys, c 0, adapted to be connected by suitable gearing to a power-shaft, (not shown,) and rotate the shaft 1) in opposite directions 5 as the belt connecting the pulleys with the power-shaft is shifted.
- the journals a a in the ends of the still are provided with suitable shifting-boxes, d d, containing a packing, and
- the front end of the still is provided with two sealing-doors-the upper one, f, for filling the still with carbonaceous matter, such as pulverized bituminouscoaloroil-bearingshale. 6 5 Any other carbonaceous matter may, however, be used; but I prefer those specified, as the best results have been obtained from their use.
- the lower door, 9, is for removing said matter after all the gas has been evolved therefrom.
- a pipe, h, having a suitable valve, i supplies the water required to moisten the carbonaceous matter contained in the still.
- E represents the combustionchamber of the furnace B, which is provided with dcadair 75 spaces jjj upon its sides and rear end.
- the furnace B is provided with the usual appurtenances-such as a stack, gratebars, doors. ash-pan, dampers, &c.-which need not here be described, as they are of ordinary and wellknown construction.
- F and G are carburetors, and H a doubleacting airpunip; to which is attached a pipe,
- the carburetors F and G are provided with suitable inlet and discharge openings for the liquid hydrocarbon.
- a vessel, M for collecting any refusesuch as coaltar-which may be carried by the gas in its passage through the superheating-coil p, and is discharged through a pipe at its bottom.
- the condenser is provided with a water supply pipe, .9, and a discharge-pipe, t.
- the still A is charged with carbonaceous matter-such as pulverized bituminous coal by any suitable heat-measuring instrument.
- the air-pump is put into operation and air from the surround; ing atmosphere forced through the hydrocarbon oil in the carburetors F G and conducted into the still, when the temperature of the contents of the still is increased to about 600 Fahrenheit, never to exceed 700 Fahrenheit.
- the carbureted air in passing through the heated carbonaceous matter in a state of agita-1 tion, combines with the vapors evolved therefrom and passes off through the pipe 0 to the coilp in the furnace I, where the gases will be superheated and fixed under a temperature of from 900 to 1,000 Fahrenheit.
- the gas is then conducted to the condenser, where it is cooled,and finally led to the gasometer or gas holder.
- the apparatus may be varied in its capacity for making gas as the demand therefor may require.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Description
(No Model.) I 3 SheetsSheet 1.
J. J. JOHNSTON PROCESS OF AND APPARATUS FOR MANUFACTURING GAS. No. 356,587.
Patented Jan 25 1887.
PETEWS, mowlizm ra her. Washington. D. C.
(No Model.) 3 Sheets8heet 2.
J. J. JOHNSTON. 9 mocmss OF AND APPARATUS FOR MANUFACTURING GAS.
No. 356,587. I Patented Jan. 25, 1887.
fiITNESSEEi M W ATTORNEYS.-
Nv PETERSY P'nolmLiUwpmphcr. Washington. D. C,
(N0 Modei.) 3 Sheets-Sheet 3 J. J. JOHNSTON.
PROCESS OF AND APPARATUS FOR MANUFAGTURINGr GAS No. 356,587. Patented Jan. 25, 1887.
IN ENTOR.
ATTORNEYS.
N. PETERS. Phnic-Lilhcgmphar. mumm. 0.1:
3 NH I QPIMHVI 2- a 5/ .i m%
WITNESSES:
llsurnn drains JAMES J. JOHNSTON, OF OOLUMBIANA, OHIO, ASSIGNOR OF ONE-HALF TO ALBERT O. ELLTS, OF PITTSBUBG, PENNSYLYANIA.
eeocsss or AND APPARATUS FOR MANuFAorueino one.
SPECIFICATION forming part of Letters Patent No. 356,587, dated January 25, 1887.
Application filed October 9, 1885.
To all wit-0112 it may concern.-
Be it known that I, J anus J. Jonnsron, a citizen of the United States, residing at Columbiana, in the county of Golumbiana and State of Ohio, have invented'certain new and useful Improvements in Process of and Apparatus for Manufacturing Gas; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will ena- IO ble others skilled in the art to which it appertains to malre and use the same.
The invention relates to the process of and means for manufacturing gas which may be used for motive power or for heating and illu- I 5 minating purposes, and has for its object the production of a superior quality of gas at a greatly-reduced cost as compared with the systems for making gas in general use.
In the prevailing practice of making gas from coal a very high degree of temperature is required to be applied to the coal (say from 900 to 1,000 Fahrenheit) before the gas commenccs to evolve, which is further heated from 1,400". to 1,800 Fahrenheit, and often more,
before the gas becomes fixed. By my pro cess a comparatively low degree of heat (say from 400 to 600 Fahrenheit) is applied to the retort or still containing the carbonaceous matter to evolve gas.
The invention will be hereinafter fully described, and distinctly pointed out in the claims.
In the accompanying drawings, which form a part of this specification, Figure 1 represents a perspective view; Fig. 2, a longitudinal section; Fig. 3, a longitudinal section of the retort or still; Fig. 4, a rear end view of the still; Fig. 5, a horizontal section of one of the carburetors on the line so a: of Fig. 2.
Reference being had to the drawings and the letters of reference marked thereon, A represents a retort or still contained withina furnace, B, and is arranged concentrically in the cylindrical portion thereof, so as to form an annular passage, 0, for the products of coinbustion and cause them to surround the retort. A shaft, D, passes through the retort, and is journaled in each end, as shown at u. a, and upon the shaft are secured two spiral 5o blades, 12 Z), curved in opposite directions.
Serial No. 179,428. (No model.)
The end of the shaft D which projects out of the rear end of the still is provided with two pulleys, c 0, adapted to be connected by suitable gearing to a power-shaft, (not shown,) and rotate the shaft 1) in opposite directions 5 as the belt connecting the pulleys with the power-shaft is shifted. The journals a a in the ends of the still are provided with suitable shifting-boxes, d d, containing a packing, and
a gland, e, for the purpose of preventing the 0 escape of any of the vapors from the still.
The front end of the still is provided with two sealing-doors-the upper one, f, for filling the still with carbonaceous matter, such as pulverized bituminouscoaloroil-bearingshale. 6 5 Any other carbonaceous matter may, however, be used; but I prefer those specified, as the best results have been obtained from their use. The lower door, 9, is for removing said matter after all the gas has been evolved therefrom. 73 A pipe, h, having a suitable valve, i, supplies the water required to moisten the carbonaceous matter contained in the still.
E represents the combustionchamber of the furnace B, which is provided with dcadair 75 spaces jjj upon its sides and rear end. The furnace B is provided with the usual appurtenances-such as a stack, gratebars, doors. ash-pan, dampers, &c.-which need not here be described, as they are of ordinary and wellknown construction.
F and G are carburetors, and H a doubleacting airpunip; to which is attached a pipe,
k, for conducting air into the carburetor F, from which it is discharged through perforated 8 5 cruciform pipes Z in the bottom of the carburotor, and passes up through the hydrocarbon oil, and is conducted through the pipe or into the next carburetor, G, from which it passes through pipe a into the still A, where it iningles with the vapors evolved from the heated carbonaceous matter, and is conducted through pipe 0 to the coil 3), contained in the furnace I. From thence itpasses by pipe q to the condenser K,whereitis cooled,and finally through 9 5 pipe r to the gasoineter L for storage.
The carburetors F and G are provided with suitable inlet and discharge openings for the liquid hydrocarbon.
In another application, No. 192,892, filed IOO February 23, 1886, I have claimed the carburetors connected by pipes which extend from the top of one to or near the bottomv of the next carburetor, in combination with a retort and a fixing-chamber.
While I have shown two carburetors, the number may be increased or diminished, as circumstances may require, and when desired to run the apparatus continuously an additional still may be employed, whereby one may beat work while the other is being discharged and refilled. To accomplish the latter obj ect,it is only necessary to form branches in the pipe leading from the last carburetor to the stills, and provide them with valves for controlling the passage of the carbureted air.
In the line of the pipe q is connected a vessel, M, for collecting any refusesuch as coaltar-which may be carried by the gas in its passage through the superheating-coil p, and is discharged through a pipe at its bottom.
The condenser is provided with a water supply pipe, .9, and a discharge-pipe, t.
The several parts ofthe apparatus being constructed substantially as described, the operation is as follows:
The still A is charged with carbonaceous matter-such as pulverized bituminous coal by any suitable heat-measuring instrument.
applied thereto, (not shown,) the air-pump is put into operation and air from the surround; ing atmosphere forced through the hydrocarbon oil in the carburetors F G and conducted into the still, when the temperature of the contents of the still is increased to about 600 Fahrenheit, never to exceed 700 Fahrenheit. The carbureted air, in passing through the heated carbonaceous matter in a state of agita-1 tion, combines with the vapors evolved therefrom and passes off through the pipe 0 to the coilp in the furnace I, where the gases will be superheated and fixed under a temperature of from 900 to 1,000 Fahrenheit. The gas is then conducted to the condenser, where it is cooled,and finally led to the gasometer or gas holder.
During the operation of generating gas water is admitted to the still at intervals of thirty minutes (more or less) to keep the carbonaceous matter in a semi-liquid state until all of the vapors have been extracted therefrom, and to supply hydrogen and oxygen gas,
which commingles with the gases evolved from.
the carbonaceous matter.
When all of thevapor is evolved from the carbonaceous matter in the still, the residue will be in the form of ashes, which are removed through the opening 1 and a fresh charge of the coal supplied, when the operation willlbe again repeated.
The apparatus may be varied in its capacity for making gas as the demand therefor may require.
I am aware that heretofore it has been proposed to vaporize liquid hydrocarbon by heat ing it and then to carrythe vapor, by means of a body of highly-heated air, through a retort containing bituminous coal. Inthis instancethe air is used only as a vehicle to 'conduct the vapor of hydrocarbon into the retort, and is not a body of carbureted air in the sense in which Iuse it. I am. also aware that it has been proposed to heat air in a retort and then conduct it into another retort containing a solid hydrocarbon, where the heated air commingles with the vapor arising therefrom and is conducted to a third retort for fixing the gas I am also aware that air has been passed through heated hydrocarbon oil and the gas into aretort containing coke, broken stone, or metalheated to white heat and destructive distillation. I do not there fore claim such as my invention.
Having thus fully described my invention, what I claim is- 1. The process of generating gas, which consists in charginga vessel with oil-bearing carbonaceous matter, moistening said matter,then heating it, conducting atmospheric air through liquid hydrocarbon and the carburetedair through the vessel containing the heated. and moistened carbonaceous matter, and mingling it with the gases evolved therefrom, and finally subjecting the resulting gas to a higher degree of heat to fix it, substantially as described.
2. The process of generating gas, which consists in charging a vessel with bituminous coal or other oil-bearing carbonaceous matter, moistening said coal, then heating and agitat ing it; secondly, compressing atmospheric air and conducting it through liquid hydrocarbon, and the cal-bureted air. through the vessel containing the coal while heated and agitated, and then conducting theresulting gas through a heater to fix it, substantially as described.
3. The process of generating gas, which consists i'n moistening and heating bituminous coal, carburetingair, then conducting the carbureted air through thecoal and mingling it buretor or carburetors, a close chamber or still ing said still, and a superheafier, substantially provided with a Water-supply pipe, and an as described. agitator and means for revolving the same, In testimony whereof Iaffix my signature in and a furnace for heating said still, substanpresence of two witnesses.
5 tially as described. JAMES J JOHNSTON.
6. The combination of an ainpnmp, a car- Witnesses: bureisor or carburetors, a close vessel or still A. O. JOHNSTON, having awater-supplypipe a furnacefor heat- WM. W. S. DYRE.
Publications (1)
Publication Number | Publication Date |
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US356587A true US356587A (en) | 1887-01-25 |
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US356587D Expired - Lifetime US356587A (en) | Process of and apparatus for manufacturing qas |
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