US1856061A - Process for heating fluids in alpha still or the like - Google Patents
Process for heating fluids in alpha still or the like Download PDFInfo
- Publication number
- US1856061A US1856061A US83544A US8354426A US1856061A US 1856061 A US1856061 A US 1856061A US 83544 A US83544 A US 83544A US 8354426 A US8354426 A US 8354426A US 1856061 A US1856061 A US 1856061A
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- Prior art keywords
- heat
- fluid
- combustion
- gases
- passages
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- Expired - Lifetime
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
- C10G9/18—Apparatus
- C10G9/20—Tube furnaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/11—Batch distillation
Definitions
- a further object is to separate the gases of combustion and heat-absorbing fluid into a pluralityot individual streams and effecting heat interchange between said gases and fluid by simultaneous, prolonged and separate contact with a heat-conducting material and subsequently bring said gases and fluid into physical contact and intermixture.
- Fig. 2 is a cross section taken on line 2 2
- the ap aratus illustrated inthe accompanying rawings is constructed as follows 1 are the side walls of-a still which in the present instance is of the'type known as a cracking still for the conversion of hydrocarbon oils. the oil-burning type. Oil burners are located at 3 which are inserted through passages 4; air duct-s 5 enter through the side 2 are combustion chambers hf...
- the pieces 11 are located on top of walls 8 which form the upper wall of the passages 10 and extend beyond walls 8, .
- the passage 9 is sealed'at the bottom of the walls 8 by a member 12of the arch 6.
- Passages 7 through arches 6 communicate with passages- 13 formed between the pairs of walls 8.
- the cap pieces 11 are of such size as to extend partly across the passages 13 leaving outlets 14 from the passages 13.
- the cross passages 10 communicate with the passages 13 at a point below the cap ieces 11.
- Chambers 15 are locatedin the si e walls 1 which are supvalve controlled inlets 16.
- the heat-absorbingfluid may be air or any desirable fluid of this nature, such as steam.
- air may befsupplied through the valve-controlled inlets 16 and steam or other heat-absorbing fluid may be supplied through inlets 17.
- steam or other heat-absorbing fluid may be supplied through inlets 17.
- a series of passages 18 lead from the chambers 15 through the walls 1 to the lower ends of thepassages 9 with which they communicate at the points 19.
- Controlling valves 20 are located in the passages 18.
- the arches and walls described are preferably formed of a refractory material in the shape of bricks or slabs as shown.
- the mixture of heat-absorbing liquid and gases of combustion is delivered from the outlets 14 into a chamber 21, in the upper part ofwhich is located a. continuous coil 22 through which the fluid which it is desired to heat passes.
- Fig. 1 Inpractice the structure shown in Fig. 1 is duplicated at the right of the wall 23 and the coil 22 extends longitudinally above the combustion chambers in both sections. Above the coil 22 are located a pair of stacks 24: provided with control dampers 25.
- combustion chambers 2 would normally heat the arches 6 and superimposed walls to a temperature suflicient to emit intense radiant heat, but the introduction of the heat-absorbing fluid into and through passages 9 as described absorbs a interchange and intermixture before arriving in contact with the coil 22.
- the heated mixture then passes around the convolutions of the coil 22 imparting heat therefrom to the fluid contained in said coil in an even and since direct application of intense radiant heat causes a large amount of total decomefficient manner.
- a particular advantage of my process lies in the fact that in place of intense radiant heat being applied to the lower rows of tubes comprising coil 22 in which the fluid therein cannot absorb the desired amount of heat in the short space of time it takes to pass through the said lower rows, it is transmitted to a large volume of fluid which passes around the tubes comprising the coil 22 and imparts its heat thereto in an even and efficient manner.
- My method of heat transference is particularly advantageous in the heating of a decomposable fluid such as hydrocarbon 'oil,
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
Description
April 26, 1932. J. F. DONNELLY PROCESS FOR HEATING FLUIDS IN A STILL OR THE LIKE Patented Apr. 26, 1932 UNITED ESTATES PATENr OFFICE JOSEPH FRANCIS DONNELLY, F LEMOIIT, ILLINOIS, ASSIGNOR TO IDONNELLY-JENKINS COMPANY, OF CHICAGO, ILLINOIS, A CORIPORATION OF NEVADA PROCESS FOR HEATING FLUIDS IN A STILL OR THE LIKE Application filed January 25, 1926. Serial 110 $3,544.
heat of combustion to a material which iscapable of absorbing it and emitting it in the radiant form in such a manner as would raise such material to the temperature capable of effecting an intense radiation but reducing the temperature by absorbing a part at the heat transmitted to said material by heat interchange with a heat-absorbing fluid and subsequently eflecting a heat interchange between the heat-absorbing fluid and the fluid which it is desired to heat as the final step in the process.
it. further object is to thoroughly mix said heat-absorbing fluid with the gases of combustion so as to. edect a heat interchange therewith and to effect a heat interchange lid between this mixture and the fluid which it is desired to finally heat.
it further object is to eflect a heat interchange between the gases of combustion and said heat-absorbing fluid before they are brought into physical contact with each other in such a manner as to raise the temperature of heat-absorbing'fluid to such a degree as will cause it to rise by convection with the gases of combustion. v v
A further object is to separate the gases of combustion and heat-absorbing fluid into a pluralityot individual streams and effecting heat interchange between said gases and fluid by simultaneous, prolonged and separate contact with a heat-conducting material and subsequently bring said gases and fluid into physical contact and intermixture. ln order to carry out my process I have provided an apparatus which is illustrated in the accompanying drawings, but it is understood that my process may be carried out in cross section of my apparatus taken on line l-'-1, Fig. 2;
Fig. 2 is a cross section taken on line 2 2,
Fig. 1. p
The ap aratus illustrated inthe accompanying rawings is constructed as follows 1 are the side walls of-a still which in the present instance is of the'type known as a cracking still for the conversion of hydrocarbon oils. the oil-burning type. Oil burners are located at 3 which are inserted through passages 4; air duct-s 5 enter through the side 2 are combustion chambers hf...
walls 1 and lead underneath the combustion chambers 52 and discharge into passages 4. liythis construction the air passing through ducts 5 receives a preliminary heating and also absorbs heatfrom the bottom of the combustion chambers 42 that would otherwise be dissipated and lost. Arches 6 are located at the top of combustion chambers 2 which are provided with a plurality of passages 7 Above the arches fl are located a plurality of pairs of vertical walls so spaced relative to each other as to form passages 9 therebetween. Cross passages 10 at the outer ends through which the gases of combustion pass.
aid
of the walls 8 intersect the passages 9. Cap
pieces 11 are located on top of walls 8 which form the upper wall of the passages 10 and extend beyond walls 8, .The passage 9 is sealed'at the bottom of the walls 8 by a member 12of the arch 6. Passages 7 through arches 6 communicate with passages- 13 formed between the pairs of walls 8. The cap pieces 11 are of such size as to extend partly across the passages 13 leaving outlets 14 from the passages 13. The cross passages 10 communicate with the passages 13 at a point below the cap ieces 11. Chambers 15 are locatedin the si e walls 1 which are supvalve controlled inlets 16. The heat-absorbingfluid may be air or any desirable fluid of this nature, such as steam.
In the construction herein shown air may befsupplied through the valve-controlled inlets 16 and steam or other heat-absorbing fluid may be supplied through inlets 17. By manipulation f the valves in the inlets 16 and 17 either of said sources of supply may be used separately or combined as desired.
' A series of passages 18 lead from the chambers 15 through the walls 1 to the lower ends of thepassages 9 with which they communicate at the points 19. Controlling valves 20 are located in the passages 18. The arches and walls described are preferably formed of a refractory material in the shape of bricks or slabs as shown. The mixture of heat-absorbing liquid and gases of combustion is delivered from the outlets 14 into a chamber 21, in the upper part ofwhich is located a. continuous coil 22 through which the fluid which it is desired to heat passes.
Inpractice the structure shown in Fig. 1 is duplicated at the right of the wall 23 and the coil 22 extends longitudinally above the combustion chambers in both sections. Above the coil 22 are located a pair of stacks 24: provided with control dampers 25.
In operation the combustion chambers 2 would normally heat the arches 6 and superimposed walls to a temperature suflicient to emit intense radiant heat, but the introduction of the heat-absorbing fluid into and through passages 9 as described absorbs a interchange and intermixture before arriving in contact with the coil 22. The heated mixture then passes around the convolutions of the coil 22 imparting heat therefrom to the fluid contained in said coil in an even and since direct application of intense radiant heat causes a large amount of total decomefficient manner.
A particular advantage of my process lies in the fact that in place of intense radiant heat being applied to the lower rows of tubes comprising coil 22 in which the fluid therein cannot absorb the desired amount of heat in the short space of time it takes to pass through the said lower rows, it is transmitted to a large volume of fluid which passes around the tubes comprising the coil 22 and imparts its heat thereto in an even and efficient manner. My method of heat transference is particularly advantageous in the heating of a decomposable fluid such as hydrocarbon 'oil,
position of the oil due to local over-heating,
which is avoided by my method.
Having described my invention, what I claim is Y 1. The process of heating a fluidin a still or the like which consists ingenerating heat by combustion, applying said generated heat to a material adapted to absorb and emit it in the form of radiant heat in such a manner as to cause the gases of combustion to pass through said material in unidirectional and prolonged streams and cause said material to become radiant, bringing said heat-absorbing fluid in prolonged contact with a heat-absorbing material in streams unidirectional and co-extensive with said streams of gases of combustion so as to cause a prolonged and uniform indirect heat interchange therewith so as to control the intensity of said radiancy, intermixing said heat-absorbing fluid with said gases of combustion substantially at the end of said prolonged contacts, passing the heated mixture thus formed into heat exchanging contact with a fluid containing means so as to heat the fluid therein and.- simultaneously applying said radiant heat to said fluid containing means.
2. The process of heating a fluid in a still or the like which consists in generating heat by combustion, applying said generated heat to a mass of material adapted to absorb and emit it in the form of radiant heat in such a manner as to cause the gases of combustion to pass through said material in unidirectional and pronlonged streams so as to have a prolongedcontact with said mass and cause saidmaterial to become radiant, bringing a heatabsorbing fluid into prolonged contact with said mass in streams unidirectional and coextensive with said streams of gases of combustion independently of said streams of gases of combustion so as to control the intensity of said radiancy, introducing said heat-absorbing fluid into said gases of combustion at a point substantially at the end of said prolonged contacts, passing the mixture thus formed into heat interchanging contact with a fluid-containing means so as to heat the fluid therein and simultaneously applying said radiant heat to said fluid containing means.
3. The process of heating a fluid in a still or the like which consists in generating heat by combustion, applying said generated heat to a mass of material adapted to absorb and emit it in the form of radiant heat in such a manner as to cause the gases of combustion to pass in separateunidirectional and prolonged streams through said mass in prolonged contact therewith and cause said material to become radiant, passing separate streams of a heat-absorbing fluid through said mass in unidirectional and coextensive relation to said streams of gases of combustion so as to have prolonged contact with saidmass independently of said streams of gases of combustion so as to control theintensity of said radiancy, introducing said streams of heat-absorbing fluid into said streams of gases of combustion substantially at the end of said prolonged contacts, passing the mixture thus formed into a chamber in which said heat-absorbing fluid and gases of combustion are intimately intermixed, passing the mixture thus formed into heat interchanging contact with a. fluid containin 5 means so as to heat the fluid therein and simultaneously applying said radiant heat to said fluid containing means.
Signed at Chicago, Illinois, this 18th day of January, 1926. w JOSEPH FRANCIS DONNELLY.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83544A US1856061A (en) | 1926-01-25 | 1926-01-25 | Process for heating fluids in alpha still or the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83544A US1856061A (en) | 1926-01-25 | 1926-01-25 | Process for heating fluids in alpha still or the like |
Publications (1)
Publication Number | Publication Date |
---|---|
US1856061A true US1856061A (en) | 1932-04-26 |
Family
ID=22179013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US83544A Expired - Lifetime US1856061A (en) | 1926-01-25 | 1926-01-25 | Process for heating fluids in alpha still or the like |
Country Status (1)
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US (1) | US1856061A (en) |
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1926
- 1926-01-25 US US83544A patent/US1856061A/en not_active Expired - Lifetime
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