US408533A - Apparatus for the manufacture of gas - Google Patents
Apparatus for the manufacture of gas Download PDFInfo
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- US408533A US408533A US408533DA US408533A US 408533 A US408533 A US 408533A US 408533D A US408533D A US 408533DA US 408533 A US408533 A US 408533A
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- combustion
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- 238000004519 manufacturing process Methods 0.000 title description 10
- 239000007789 gas Substances 0.000 description 98
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 60
- 150000002430 hydrocarbons Chemical class 0.000 description 54
- 229910052799 carbon Inorganic materials 0.000 description 46
- 239000004215 Carbon black (E152) Substances 0.000 description 44
- 238000002485 combustion reaction Methods 0.000 description 32
- 239000011819 refractory material Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 24
- 239000001257 hydrogen Substances 0.000 description 22
- 229910052739 hydrogen Inorganic materials 0.000 description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 239000003245 coal Substances 0.000 description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 14
- 239000007788 liquid Substances 0.000 description 14
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 150000002431 hydrogen Chemical class 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 235000019738 Limestone Nutrition 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 229940108066 Coal Tar Drugs 0.000 description 4
- 240000004018 Rosa multiflora Species 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 4
- 238000005422 blasting Methods 0.000 description 4
- 239000011449 brick Substances 0.000 description 4
- 239000011280 coal tar Substances 0.000 description 4
- 239000000571 coke Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- YZCKVEUIGOORGS-UHFFFAOYSA-N hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 4
- 230000000630 rising Effects 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 206010022000 Influenza Diseases 0.000 description 2
- 235000015450 Tilia cordata Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 125000001145 hydrido group Chemical group *[H] 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
Images
Classifications
-
- 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
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
- C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
Definitions
- My invention relates to the manufacture of gas, and more especially to improvements in the apparatus employed in practicing the process described in an application filed by me on March 2, 1887, Serial No. 229,435, and certain improvements thereon, which have been made the subject of subsequent applications.
- the process described in the above application consists, generally stated, in-heating by the Waste products of combustion formed in raising a mass of carbon to incandescence blocks or pieces of limestone or other refractory material coated with a heavy hydrocarbon-such as asphaltum or coal-tarand thus forming a mass of refractory material impregnated With a heavy hydrocarbon, and subsequently passinga current or currents of steam through said incandescent carbon and impregnated refractory material, the nascent hydrogen so obtained uniting with the heavy hydrocarbon supported by the refractory material, and so forming light hydrocarbon gasessuch as marsh-gas orolefiant gasthe resultant gases being composed principally of hydrogen, light hydrocarbons, and carbonic oxide.
- a heavy hydrocarbon- such as asphaltum or coal-tarand
- My present invention relates to certain apparatus to be used in the generation of gases from the hydrocarbon-bearing material, and
- my invention consists in certain improvements in the apparatus for mixing liquid hydrocarbons with the gases obtained by the process for enriching them and for fixing the gases after the intermingling therewith of the enriching hydrocarbons, as well as in other improvements, as hereinafter more particularly pointed out.
- My improved apparatus consists of a generator-chamber, a double chamber containing the blocks or pieces of limestone or other refractory material coated with asphaltu m, coal-tar, or other heavy hydrocarbon, and so forming the mass of hydrocarbon-impregnated material, or containing lime or other suitable solid material for treating the gases formed in the generator a, (said chambers be ing hereinafter referred to as hydrocarbonchambers,) and a third mixing, fixing, and further generating chamber of peculiar construction.
- the generator-chamber a is intended to contain any suitable carbon-such as coal or coke-the same being supported upon the grate-bars a at the base thereof, and the carbon being fed to the generator through feeding-port 04 the body of coal generally extending up within said chamber to a point just below the discharge-port 1), leading into the hydrocarbon-chamber c.
- the generator a is also provided below the grate-bars with the steam-inlet e and the air-inlet e and above the body of carbon therein with the steam-inlet f, which is placed opposite the flue I), leading into the hydrocarbon-chamber 0, so that the steam entering through said pipe f necessanily passes entirely across the upper part of the generator-chamber and over the mass of incandescent carbon therein.
- the hydrocarbon-chambers 0 (Z, forming the double hydrocarbon-chamber, which I prefer to employ, as set forth in previous applications filed by m e, are in the present apparatus shown as arranged the one before the other, so that the heatedproducts and gases must necessarily pass downwardly through the chamber 0, and thence upwardly through the chamber (1, and these chambers are raised, being supported on suitable pillars g, so as to bring the top of the chambers on a level with the top of the generator-chamber a, and the chamber 0 being located close to the generator a, so that only a short and direct connecting-flue b is necessary, and for this reason the nascent hydrogen geneyated by the decomposition of the steam in the incandescent carbon can pass directly and quickly into the hydrocarhon-chamber, it being found that the hydrogen will unite more readily with the hydrocarbon supported in said chamber if brought in contact therewith immediately after its generation.
- the hydrocarbon-chambers c (7 are also provided with the feeding-ports c and with the discharge-doors 0 which latter are arranged opposite the grate-bars, so as to provide means for removing the material from said chambers, and also keeping the portions of said chambers under the grate-bars free from clogging.
- a steam spray or injector 0' may also be employed at the top of the chamber 0 and a steam spray or injector d at the base of the chamber (I, while a steam spray or injector (Z may be employed at the top of the chamber (1, these spraying-pipes c d d be ing employed for feeding to the chambers the liquid hydrocarbons during the passage of the products of combustion through said chambers for further coating the refractory material therein, as described in application filed by me February 23, 1888, Serial No. 264,083.
- the casin g N containing the mixing, fixing, and further generating chambers differs from those employed in the apparatus forming the subjects of former applications in some particulars, which will be pointed out, the casing being formed of a long cylinder and lined with fire-brick and forming a long cylindrical chamber, at the base of which are the grate-bars h, supporting a body of coal or other suit-able carbon and forming the second coal-generator 71, which will be referred to as the carbon-chamber, and above said generator, or forming the upper part of the same, is the eombustion-chamber 7:, while above the combustion-chamber k is the fixing-chamber I, and above the fixing-chamber is the mixingchamber m.
- the pipe or flue p Leading from the upper or discharge end of the hydrocarbon-chamber(I, and from the side of said chamber is the pipe or flue p, which communicates with the combustion-chamber 76 above the carbon-chamber 72, said line being controlled by the valvep', and leading from the top or discharge end of the hydrocarbon-chamber (l is the pipe or flue 0', which communicates with the n'lixingchamber m at the top of the casing N, said flue 0 being controlled by a valve 9'.
- the air-blast pipe 76 by means of which the coal or other carbon supported on the grate-bars h may be raised to incandescence, while in the combustion-chamber 7;, above the body of carbon in the chamber 71, is the air-blast pipe k, which serves to supply air to the products of combustion which pass from the hydrocarbon-chamber (I through the pipe 1) to the eombustion-chamber 7:, said products of combustion being intermingled with the highly-heated products of combustion from the carbon-chamber h, and thus heated andconsumed in the combustion-chamber 7c, and the heated products therefrom passing upwardly through the fixing-chamber Z.
- said chamber 7c above said carbonchamber h is the steam-inletk through which a further portion of steam may be added to the gases before they pass downwardly through the body of incandescent carbon in the chamber 7L.
- the gasoutlet 01 Near the base of the carbon-chamber h, but above the grate-bars at about the point where the greatest heat is generated in the mass of carbon in said chamber, is the gasoutlet 01, which leads to any suitable storagetank.
- the fixing-chamber is preferably formed of a series of terra-cotta tiles 3, which extend across the chamber and have formed therein the small perforations s, so forming through this chamber a large number of diminutive fines or passages through which the heated products of combustion rising from the combustion-chamber pass on their upward course to the purge-outlet t, which is controlled by a suitable purge-valve, and down through which passages the gases, and vapors pass in their course from the mixing-chamber m to the storage-tank.
- these terra-cotta tiles while giving a circuitous course to the products of combustion and gases passing through the same, not only act to absorb a large amount of heat from the highly-heated products of combustion, but to readily impart that heat to the gases and vapors passing through such tiling, so acting to decompose anysteam which may be carried into the fixing-chamber and to cause the union and fixing of the gases which pass down through the same.
- this fixing-chamber may, if desired, be provided with simply a loose mass of fire-brick, dolomite, or other suitable fixing material supported on the perforated arch, as shown in application, Serial No. 261,139.
- the lower portion thereof is raised to a higher heat than the upper portion, while the gases and vapors formed in the gasmaking operation pass downwardly through the same and are therefore brought from the coolest to the hottest part of said fixing-chamber, and a more permanent gas is therefore formed.
- Communicating with the chamber m at a point. opposite the port 0' is the inlet-pipe g, by means of which liquid hydrocarbon or liquid hydrocarbon and steam are fed to the chamber to enrich the gases passing over from the hydrocarboil-chambers, a further quantity of hydrogen being added to the gases formed from the steam which is decomposed in passing downwardly through the fixing-chamher.
- the generator-chamber a is filled with coal, coke, or other suitable carbon, and through the air-blast pipe 6' the same is gradually raised to the proper incandescence.
- the hydrocarbon-chambers c (l are filled with blocks or pieces of limestone or other refractory material coated with asphaltum, coal-tar, or other suitable hydrocarbon, so forming the mass of refractory hydro carbon-impregnated material therein, and the carbon-chamber h is supplied with a mass of coal, coke, or other suitable carbon, which, through the air-blast pipe m, is blasted to incandescence.
- valve 1 leading to the mixing-chamber 1
- valve 19 in the pipe 19 leading from the chamber (1 to the combustion-chamber It, has been opened, and the waste products of combustion, together with any vaporized hy drocarbon which may be taken up thereby, pass through the pipe or flue 19 into the combustion-chamber 7t.
- the superheated steam mingles with the carbonic oxide passing upwardly from the generator and said gases and vapors are at a high heat
- the superheated steam will in some cases be decomposed even in the upper part of said generator, the oxygen uniting with part of the carbonic oxide to form carbonic acid, and a still further portion of hydrogen being thus set free, which, together with the hydrogen generated by the decomposition of the steam in the incandescent carbon, passes over into the mass of refractory material impregnated with a heavy hydrocarbon, and such hydrogen be ing in a nascent state and brought, shortly after being set free, in contact with the heavy hydrocarbon supported on the refractory material unites with the same and forms light hydrocargon gases, as has been described in said application, Serial No.
- the gases so formed namely, carbonic oxide, carbonic acid, hydrogen, and the hydrocarbon gasestogether with any undecomposed steam, then pass through the pipe 0 to the mixing-chamber m at the upper end of the casing N, where a suitable liquid hydrocarbon is sprayed into the mass of gases entering the mixing-chamber to enrich the gases previously formed, said hydrocarbon being preferably sprayed therein by a jet of steam, a Lima oil being preferably employed, as it is of low cost and serves Well as an enriching agent, though any suitable liquid hydrocarbon may of course be employed for the purpose.
- Said gases in their passage through said mixing and fixing chambers are raised to a high and gradually increasing heat, as the lower part of the fixing-chamber l is more highly heated than the upper portion, and as the small openings in the terra-eotta tiles supported in the fixing-chamber offer resistance to the passage of the gases, and it is evident that not only is a pressure generated in the hydrocarbon-chambers, which greatly assists the gas-making process, but the gases are brought into closer contact in the fixing-chamber and a more perfect union of the gases so obtained.
- My improved apparatus may also be employed in the manufacture of fuel or heating gas by the introduction of hydrocarbons into the heated products obtained in blasting up the generator as said products are carried through the refractory material in the hydrocarbon chamber a, as described in my application for patent filed February 23, 1888, Serial No. 264,984.
- a gas-making apparatus having the hydrocarbon or treating chamber 0, containing refractory material, the casing N, having a combustion-chamber therein, a fixing-chamber containing checker-work or like heat-retaining material above the combustion-chamher, and a mixing-chamber at the top of the casin g above the fixing-chamber, and separate flues leading from the discharge end of the treating-chamber c to said combustion-chamber and said mixing-chamber, respectively, substantially as and for the purposes set forth.
- a gas-making apparatus having the easin g N, provided at the base thereof with the carbonehamber 71, for containing incandescent carbon, the fixing-chamber Z above the same, a purge-outlet above the fixing-chamber, an inlet 17, for products of combustion, between the carbon-chamber and fixing-chamber, and inlet 1', for gases, above the fixingchamber, and a gas-outlet leading to the receiver below the top of the carbon-chamber, substantially as and for the purposes set forth.
- a gas-making apparatus having a eupola generator, a casing having one or more treatiug-chambers containing refractory material and provided with an oil-inlet with which said generator communicates, and a easin g having a combustion-chamber therein, a fixing-chamber containing checker-work or like heatretaining material above the combustion-chamber, a mixing-chan'iber at the top of the casing above the fixing-chamber, and a purge-valve above said mixing-chamber, and separate tlues leading from the discharge end of the treating-chamber to said combustion-chamber and said mixing-chamber, respectively, substantially as and for the purposes set forth.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Description
(No Model.) 7
, J., M. ROSE. APPARATUS FOR THE MANUFACTURE OF GAS.
No.408,533. A Patented Aug. 6, 1889.
Bk 7 5 \Q u PHERs. Phum-Lhh mmr. Wa-nmnm I).
UNITED STATES ATENT OFFICE.
JAMES M. ROSE, OF ALLEGHENY, PENNSYLVANIA.
SPECIFICATION forming part of Letters Patent No. 408,533, dated August 6, 1889. Application filed May 9, 1888. Serial No. 273,280. (No model.)
T0 at whom it may concern.-
Be it known that I, J AMEs M. ROSE, a resident of Allegheny, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Apparatus for the Manufacture of Gas; and I do hereby declare the following to be a full, clear, and exact description thereof.
My invention relates to the manufacture of gas, and more especially to improvements in the apparatus employed in practicing the process described in an application filed by me on March 2, 1887, Serial No. 229,435, and certain improvements thereon, which have been made the subject of subsequent applications.
The process described in the above application consists, generally stated, in-heating by the Waste products of combustion formed in raising a mass of carbon to incandescence blocks or pieces of limestone or other refractory material coated with a heavy hydrocarbon-such as asphaltum or coal-tarand thus forming a mass of refractory material impregnated With a heavy hydrocarbon, and subsequently passinga current or currents of steam through said incandescent carbon and impregnated refractory material, the nascent hydrogen so obtained uniting with the heavy hydrocarbon supported by the refractory material, and so forming light hydrocarbon gasessuch as marsh-gas orolefiant gasthe resultant gases being composed principally of hydrogen, light hydrocarbons, and carbonic oxide.
My present invention relates to certain apparatus to be used in the generation of gases from the hydrocarbon-bearing material, and
in the subsequent treatment of the gases passing from such material to enrich the same, to remove the tarry-mattertherefrom, and to form a fixed illuminating-gas of high candle-power. v
To these ends my invention consists in certain improvements in the apparatus for mixing liquid hydrocarbons with the gases obtained by the process for enriching them and for fixing the gases after the intermingling therewith of the enriching hydrocarbons, as well as in other improvements, as hereinafter more particularly pointed out.
To enable others skilled in the art to make and use my invention, I will describe the same more fully, referring to the accompanying drawing, which shows a longitudinal central section, partly in full lines, of the apparatus.
My improved apparatus consists of a generator-chamber, a double chamber containing the blocks or pieces of limestone or other refractory material coated with asphaltu m, coal-tar, or other heavy hydrocarbon, and so forming the mass of hydrocarbon-impregnated material, or containing lime or other suitable solid material for treating the gases formed in the generator a, (said chambers be ing hereinafter referred to as hydrocarbonchambers,) and a third mixing, fixing, and further generating chamber of peculiar construction.
The generator-chamber a is intended to contain any suitable carbon-such as coal or coke-the same being supported upon the grate-bars a at the base thereof, and the carbon being fed to the generator through feeding-port 04 the body of coal generally extending up within said chamber to a point just below the discharge-port 1), leading into the hydrocarbon-chamber c. The generator a is also provided below the grate-bars with the steam-inlet e and the air-inlet e and above the body of carbon therein with the steam-inlet f, which is placed opposite the flue I), leading into the hydrocarbon-chamber 0, so that the steam entering through said pipe f necessanily passes entirely across the upper part of the generator-chamber and over the mass of incandescent carbon therein.
The hydrocarbon-chambers 0 (Z, forming the double hydrocarbon-chamber, which I prefer to employ, as set forth in previous applications filed by m e, are in the present apparatus shown as arranged the one before the other, so that the heatedproducts and gases must necessarily pass downwardly through the chamber 0, and thence upwardly through the chamber (1, and these chambers are raised, being supported on suitable pillars g, so as to bring the top of the chambers on a level with the top of the generator-chamber a, and the chamber 0 being located close to the generator a, so that only a short and direct connecting-flue b is necessary, and for this reason the nascent hydrogen geneyated by the decomposition of the steam in the incandescent carbon can pass directly and quickly into the hydrocarhon-chamber, it being found that the hydrogen will unite more readily with the hydrocarbon supported in said chamber if brought in contact therewith immediately after its generation. The hydrocarbon-chambers c (7 are also provided with the feeding-ports c and with the discharge-doors 0 which latter are arranged opposite the grate-bars, so as to provide means for removing the material from said chambers, and also keeping the portions of said chambers under the grate-bars free from clogging.
If desired, a steam spray or injector 0' may also be employed at the top of the chamber 0 and a steam spray or injector d at the base of the chamber (I, while a steam spray or injector (Z may be employed at the top of the chamber (1, these spraying-pipes c d d be ing employed for feeding to the chambers the liquid hydrocarbons during the passage of the products of combustion through said chambers for further coating the refractory material therein, as described in application filed by me February 23, 1888, Serial No. 264,083.
The casin g N, containing the mixing, fixing, and further generating chambers differs from those employed in the apparatus forming the subjects of former applications in some particulars, which will be pointed out, the casing being formed of a long cylinder and lined with fire-brick and forming a long cylindrical chamber, at the base of which are the grate-bars h, supporting a body of coal or other suit-able carbon and forming the second coal-generator 71, which will be referred to as the carbon-chamber, and above said generator, or forming the upper part of the same, is the eombustion-chamber 7:, while above the combustion-chamber k is the fixing-chamber I, and above the fixing-chamber is the mixingchamber m. Leading from the upper or discharge end of the hydrocarbon-chamber(I, and from the side of said chamber is the pipe or flue p, which communicates with the combustion-chamber 76 above the carbon-chamber 72, said line being controlled by the valvep', and leading from the top or discharge end of the hydrocarbon-chamber (l is the pipe or flue 0', which communicates with the n'lixingchamber m at the top of the casing N, said flue 0 being controlled by a valve 9'.
Below the grate-bars 72' of the carbon-chamber h is the air-blast pipe 76 by means of which the coal or other carbon supported on the grate-bars h may be raised to incandescence, while in the combustion-chamber 7;, above the body of carbon in the chamber 71, is the air-blast pipe k, which serves to supply air to the products of combustion which pass from the hydrocarbon-chamber (I through the pipe 1) to the eombustion-chamber 7:, said products of combustion being intermingled with the highly-heated products of combustion from the carbon-chamber h, and thus heated andconsumed in the combustion-chamber 7c, and the heated products therefrom passing upwardly through the fixing-chamber Z. In said chamber 7c above said carbonchamber h is the steam-inletk through which a further portion of steam may be added to the gases before they pass downwardly through the body of incandescent carbon in the chamber 7L. Near the base of the carbon-chamber h, but above the grate-bars at about the point where the greatest heat is generated in the mass of carbon in said chamber, is the gasoutlet 01, which leads to any suitable storagetank.
The fixing-chamber, as shown in the drawing, is preferably formed of a series of terra-cotta tiles 3, which extend across the chamber and have formed therein the small perforations s, so forming through this chamber a large number of diminutive fines or passages through which the heated products of combustion rising from the combustion-chamber pass on their upward course to the purge-outlet t, which is controlled by a suitable purge-valve, and down through which passages the gases, and vapors pass in their course from the mixing-chamber m to the storage-tank. It is found that these terra-cotta tiles, while giving a circuitous course to the products of combustion and gases passing through the same, not only act to absorb a large amount of heat from the highly-heated products of combustion, but to readily impart that heat to the gases and vapors passing through such tiling, so acting to decompose anysteam which may be carried into the fixing-chamber and to cause the union and fixing of the gases which pass down through the same. However, this fixing-chamber may, if desired, be provided with simply a loose mass of fire-brick, dolomite, or other suitable fixing material supported on the perforated arch, as shown in application, Serial No. 261,139. As the products of combustion rise through said fixing-chamber Z, the lower portion thereof is raised to a higher heat than the upper portion, while the gases and vapors formed in the gasmaking operation pass downwardly through the same and are therefore brought from the coolest to the hottest part of said fixing-chamber, and a more permanent gas is therefore formed. Communicating with the chamber m at a point. opposite the port 0' is the inlet-pipe g, by means of which liquid hydrocarbon or liquid hydrocarbon and steam are fed to the chamber to enrich the gases passing over from the hydrocarboil-chambers, a further quantity of hydrogen being added to the gases formed from the steam which is decomposed in passing downwardly through the fixing-chamher.
In making gas in my improved apparatus the generator-chamber a is filled with coal, coke, or other suitable carbon, and through the air-blast pipe 6' the same is gradually raised to the proper incandescence. The hydrocarbon-chambers c (l are filled with blocks or pieces of limestone or other refractory material coated with asphaltum, coal-tar, or other suitable hydrocarbon, so forming the mass of refractory hydro carbon-impregnated material therein, and the carbon-chamber h is supplied with a mass of coal, coke, or other suitable carbon, which, through the air-blast pipe m, is blasted to incandescence. During the blasting of the two masses of carbon the products of combustion from the generator-chamber Ct pass through the fine I) to the hydrocarbon chamber 0, and thence down through the impregnated refractory material in said chamber and upwardly through that in the chamber d, and, if desired, as said products pass through said chambers the liquid hydrocarbon can be sprayed into the same, as described in my said application, Serial No. 26at,983.
The valve 1", leading to the mixing-chamber 1", has of course been previously closed, while the valve 19 in the pipe 19, leading from the chamber (1 to the combustion-chamber It, has been opened, and the waste products of combustion, together with any vaporized hy drocarbon which may be taken up thereby, pass through the pipe or flue 19 into the combustion-chamber 7t. On account of the circuitous course of the products through the hydrocarbon-ehamber it is generally found that a large amount of heat is taken up by the -material in said chambers, so that the heat of said products is generally lowered to such a degree that unless again heated they will not burn properly, and as they pass over the mass of incandescent carbon in the chamber h and intermingle with the products of combustion therefrom it is evident that said products of combustion entering from the pipe 1) into the combustioirchamber is will be heated, so that with the products of combustion rising from the carbon-chamber it they will be consumed within the combustion-,
which is also heated, andthence to the purgeoutlet 25 and being permitted to escape. This is continued until the two masses of carbon are raised to the proper incandescence and the hydrocarbon -bearing material in the chambers c d suitably heated, when the airblasts are closed, the valve 19 in the pipe 19' closed, and the valve 1' in the pipe 1" opened, while at the same time the purge-valve is closed, and the Valve controlling the pipe n leading to the gasometer is opened. Steam is then admitted at the pipe c at the base of the generator a, the steam passing upwardly through said generator and being decomposed, forming first hydrogen and carbonic acid, but, on account of the height of the chamber, this carbonic acid being generally converted into carbonic oxide. At the same time steam is admitted at the top of the generator a, and
superheated before it passes with the water-- gas formed in said generator into the hydrocarbon-chamber.
As the hydrocarbon-chamber c is placed close to the generator, it is evident that the gases enter into said chamber at a very high heat, and instead of the steam entering the upper end thereof acting to lower the temperature of the impregnated material in said hydrocarbon-chamber on account of its being previously superheated it maintains the temperature thereof and is more easily decomposed, thus enabling me to continue the gasmaking operation longer. As the superheated steam mingles with the carbonic oxide passing upwardly from the generator and said gases and vapors are at a high heat, the superheated steam will in some cases be decomposed even in the upper part of said generator, the oxygen uniting with part of the carbonic oxide to form carbonic acid, and a still further portion of hydrogen being thus set free, which, together with the hydrogen generated by the decomposition of the steam in the incandescent carbon, passes over into the mass of refractory material impregnated with a heavy hydrocarbon, and such hydrogen be ing in a nascent state and brought, shortly after being set free, in contact with the heavy hydrocarbon supported on the refractory material unites with the same and forms light hydrocargon gases, as has been described in said application, Serial No. 229,435. The gases so formednamely, carbonic oxide, carbonic acid, hydrogen, and the hydrocarbon gasestogether with any undecomposed steam, then pass through the pipe 0 to the mixing-chamber m at the upper end of the casing N, where a suitable liquid hydrocarbon is sprayed into the mass of gases entering the mixing-chamber to enrich the gases previously formed, said hydrocarbon being preferably sprayed therein by a jet of steam, a Lima oil being preferably employed, as it is of low cost and serves Well as an enriching agent, though any suitable liquid hydrocarbon may of course be employed for the purpose. These gases and vapors pass from this mixing-chamber on down through the fixing-chamber Z, being again heated in passing through the same, the steam and the hydrocarbon and solvent vapors being decomposed into hydrogen, carbonic oxide, light hydrocarbon gases, which gases commingle and interchange with the hydrogen, marsh and olefiant gases, carbonic oxide, and carbonic acid entering from the hydrocarbonchambers, forming a lixed gas of high candlepower. Said gases in their passage through said mixing and fixing chambers are raised to a high and gradually increasing heat, as the lower part of the fixing-chamber l is more highly heated than the upper portion, and as the small openings in the terra-eotta tiles supported in the fixing-chamber offer resistance to the passage of the gases, and it is evident that not only is a pressure generated in the hydrocarbon-chambers, which greatly assists the gas-making process, but the gases are brought into closer contact in the fixing-chamber and a more perfect union of the gases so obtained. These gases, after having been so mixed, then pass down through a thick body of incandescent carbon in the carbon-chamber 71, in which they are not only more firmly united, but a further body of water-gas is generated, steam being admitted through the pipe 7; in the combustion-chamber 7;, a further portion of hydrogen being thus added to the gas, and any ,carbonic acid passing from the fixing chamber is converted into carbonic oxide under the high temperature of the incandescent coal. The gases pass from the body of incandescent carbon at the hottest part thereofnamely, just above the grate-bars-and thence, through the pipe 02, are carried to the receiving-tank. At the same time, if any tarry matter has been carried over by the gases, this tarry matter is taken up by the incandescent carbon and a gas free from any such material is obtained. When the heat of the bodies of incandescent carbon is lowered below that suitable for making gas, the gasmaking operation is stopped andsaid bodies again blasted up, and the apparatus so prepared for another gas-making operation.
By thus carrying the products of combustion upwardly through the fixing-chamber and the gases from the hydrocarbon-chambers downwardly through the fixing-chamber I am enabled to obtain a more intimate inter-mingling thereof and gradually bring the gases into contact with more highly-heated fixing-surfaces, and am also enabled, after passing the gases through the ordinary fixing-chamber, to still further heat and fix them by means of a body of incandescent carbon, and to provide means for highly heating the fixingchamber Z and reheating the waste products passing from the hydrocarbon-chauibers and utilizing in heating said fixing-chamber, and I am also enabled, as a last step in the process, to remove any tarry matters from the resultant gas, this being found necessary where oil is employed, for the purpose above described, as an enriching means.
I am also enabled through the arrangement of the apparatus as above described to dispense with many different valves and pipes in the construction of the apparatus, rendering it more simple and compact.
My improved apparatus may also be employed in the manufacture of fuel or heating gas by the introduction of hydrocarbons into the heated products obtained in blasting up the generator as said products are carried through the refractory material in the hydrocarbon chamber a, as described in my application for patent filed February 23, 1888, Serial No. 264,984.
Vhat I claim as my invention, and desire to secure by Letters Patent, is
1. A gas-making apparatus having the hydrocarbon or treating chamber 0, containing refractory material, the casing N, having a combustion-chamber therein, a fixing-chamber containing checker-work or like heat-retaining material above the combustion-chamher, and a mixing-chamber at the top of the casin g above the fixing-chamber, and separate flues leading from the discharge end of the treating-chamber c to said combustion-chamber and said mixing-chamber, respectively, substantially as and for the purposes set forth.
2. A gas-making apparatus having the easin g N, provided at the base thereof with the carbonehamber 71, for containing incandescent carbon, the fixing-chamber Z above the same, a purge-outlet above the fixing-chamber, an inlet 17, for products of combustion, between the carbon-chamber and fixing-chamber, and inlet 1', for gases, above the fixingchamber, and a gas-outlet leading to the receiver below the top of the carbon-chamber, substantially as and for the purposes set forth.
3. A gas-making apparatus having a eupola generator, a casing having one or more treatiug-chambers containing refractory material and provided with an oil-inlet with which said generator communicates, and a easin g having a combustion-chamber therein, a fixing-chamber containing checker-work or like heatretaining material above the combustion-chamber, a mixing-chan'iber at the top of the casing above the fixing-chamber, and a purge-valve above said mixing-chamber, and separate tlues leading from the discharge end of the treating-chamber to said combustion-chamber and said mixing-chamber, respectively, substantially as and for the purposes set forth.
In testimony whereof I, the said JAMES M. ROSE, have hereunto set my hand.
JAMES M. ROSE. Vitnesses:
Wu. P. MERCER, BENJ. W. llAINES.
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US408533A true US408533A (en) | 1889-08-06 |
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US408533D Expired - Lifetime US408533A (en) | Apparatus for the manufacture of gas |
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