US66511A - Improvement in the manufacture of illuwiinatiwg-gas - Google Patents

Improvement in the manufacture of illuwiinatiwg-gas Download PDF

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US66511A
US66511A US66511DA US66511A US 66511 A US66511 A US 66511A US 66511D A US66511D A US 66511DA US 66511 A US66511 A US 66511A
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gas
oil
coal
manufacture
illuwiinatiwg
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B57/00Other carbonising or coking processes; Features of destructive distillation processes in general
    • C10B57/04Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
    • C10B57/06Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition containing additives

Definitions

  • My invention relates to a new compound or combination ofsubstances for obtaining illuminating-gas; and it consists in combining coal with shale-oil or other mineral oil.
  • coal denotes the varions kinds frequently termed bituminous coals; but I do not include under it the mineral lignite, which is sometimes called brown coal, nor the mineral anthracite, while I may remark that it will probably not be found economically advantageous to em ploy the varieties hitherto commonly used as gas-coal, (except, perhaps, mixed with superior 00211,) in working my invention.
  • l l i I combine the oil and coal by intimately mixing the oil with the pulverized coal in any convenient way, preferring to make the combination With the oil, or both oil and coal in a heated state. It is not essential, however, that either oil or coal should be heated when being mixed.
  • the mixing may be efiected in a mixing or grinding mill, such as is used in grinding mortar or loam.
  • residues and bottoms obtained in treating crude shale oil or petroleum in the existing processes of manufacture, and which are left in the stills after distilling off the light and lubricating oils, may be mixed with the crude oil employed in carrying out my invention, with the view of reducing the aggregate cost of the raw materials.
  • My improved gas compound prepared in the manner hereinbefore described, is treated for the obtainment of illuminating-gas, precisely like the ordinary gas-coal used for that purpose-that is to say, it is put into gasretorts of iron or fire-clay, such as are at present in use, and the distillation or decompositiou is effected in the ordinary way, it being necessary to remark in connection therewith merely that it is advantageous to employ a strong heat, never less than a bright red heat, but a white heat, or nearly so. A carbonaceous residue or coke is left in the retort, as with ordinary gas-coal, and, being of good quality will, by its use or sale, reduce the cost of the illuminating-gas.

Description

GEORGE MCKENZIE, OF GLASGOW, GREAT BRITAIN.
IMPRQVEMENTIN THE MANUFACTURE oF lLLUMlNATlNG-GAS.
Specification forming part of Letters Patent No. 66,5 ill, dated July 9, 1867.
To. all whom it may concern:
Be it known that I, GEORGE MCKENZIE, of Glasgow, in the county of Lanark, Kingdom of Great Britain and Ireland, have in vented a new, useful, and Improved Gompound for obtaining Illuminating-Gas; and I do hereby declare the following to be a full, clear, and exact description of the same.
My invention relates to a new compound or combination ofsubstances for obtaining illuminating-gas; and it consists in combining coal with shale-oil or other mineral oil.
And in order that others skilled in the art may be enabled to understand and use my invention, I proceed to particularly describe the manner of performing the same, premising that by the term coal I denote the varions kinds frequently termed bituminous coals; but I do not include under it the mineral lignite, which is sometimes called brown coal, nor the mineral anthracite, while I may remark that it will probably not be found economically advantageous to em ploy the varieties hitherto commonly used as gas-coal, (except, perhaps, mixed with superior 00211,) in working my invention.
In practically carrying out my invention for the purposeol' obtaining illuminating-gas in the manner which I at present believe to yield the best results, but to the precise details of which I by no means restrict myself,
' I combine the oil and coal in the proportion of thirty gallons of oil to one ton of coal.
I prefer to have the oil and coal as free fromxvra er as possible, an'd'I prefer either to take co reading existing in'a pulverized state, or as separated by riddling or sifting, or to reduce the coal to a pulverized state by grinding. l l i I combine the oil and coal by intimately mixing the oil with the pulverized coal in any convenient way, preferring to make the combination With the oil, or both oil and coal in a heated state. It is not essential, however, that either oil or coal should be heated when being mixed.
The mixingmay be efiected in a mixing or grinding mill, such as is used in grinding mortar or loam.
I do not restrict myself to any particular kind of mineral oil, but I prefer to take crude shale-oil or petroleum, and if such oil as purchased or as manufactured for the purposes of my invention contains volatile oils or wa ter, I prefer to remove these by distilling them off or otherwise before combining the oil with the coal. When the oil is heated for such a purpose-tl1at is to say, for removin g the volatile oil and watertheu I-at once combine it with the coal without allowing it to cool.
In some cases the residues, known as residues and bottoms, obtained in treating crude shale oil or petroleum in the existing processes of manufacture, and which are left in the stills after distilling off the light and lubricating oils, may be mixed with the crude oil employed in carrying out my invention, with the view of reducing the aggregate cost of the raw materials.
My improved gas compound, prepared in the manner hereinbefore described, is treated for the obtainment of illuminating-gas, precisely like the ordinary gas-coal used for that purpose-that is to say, it is put into gasretorts of iron or fire-clay, such as are at present in use, and the distillation or decompositiou is effected in the ordinary way, it being necessary to remark in connection therewith merely that it is advantageous to employ a strong heat, never less than a bright red heat, but a white heat, or nearly so. A carbonaceous residue or coke is left in the retort, as with ordinary gas-coal, and, being of good quality will, by its use or sale, reduce the cost of the illuminating-gas.
Although I believe the proportions of the ingredients and the mannerof preparing my improved gas compound herein before detailed to be the most suitable in practice, I do not restrict myself thereto, as they may be varied within reasonable limits, accordingto the quality of the oil and coal, and also to the quantity and quality of the gas that it is Wished to produce; but
What I claim as my invention, and desire to secure by Letters Patent, is v The combining of pulverized coal and mineral oil, to form a compound, to be used for obtaining illuminating-gas, substantially as hereinbefore described.
In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.
GEORGE MCKENZIE,
EDMOND HUNT,
Patent Agent, Glasgow. WILLIAM CRAWFORD,
Dmfisman.
US66511D Improvement in the manufacture of illuwiinatiwg-gas Expired - Lifetime US66511A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000832A1 (en) * 1980-09-08 1982-03-18 Pittsburgh Midway Coal Mining Process for blending coal with water immiscible liquid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982000832A1 (en) * 1980-09-08 1982-03-18 Pittsburgh Midway Coal Mining Process for blending coal with water immiscible liquid
US4356078A (en) * 1980-09-08 1982-10-26 The Pittsburg & Midway Coal Mining Co. Process for blending coal with water immiscible liquid

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