USRE4375E - Improvement in processes and apparatus for distilling, separating - Google Patents
Improvement in processes and apparatus for distilling, separating Download PDFInfo
- Publication number
- USRE4375E USRE4375E US RE4375 E USRE4375 E US RE4375E
- Authority
- US
- United States
- Prior art keywords
- oil
- retorts
- vapors
- steam
- pipes
- Prior art date
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- 238000000034 method Methods 0.000 title description 10
- 239000003921 oil Substances 0.000 description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 36
- 239000003208 petroleum Substances 0.000 description 14
- 239000007921 spray Substances 0.000 description 10
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 239000000295 fuel oil Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000011449 brick Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 240000002804 Calluna vulgaris Species 0.000 description 2
- 235000007575 Calluna vulgaris Nutrition 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 241001190717 Hea Species 0.000 description 2
- 240000007600 Lysimachia clethroides Species 0.000 description 2
- 241000220317 Rosa Species 0.000 description 2
- 241000109329 Rosa xanthina Species 0.000 description 2
- 235000004789 Rosa xanthina Nutrition 0.000 description 2
- 240000003670 Sesamum indicum Species 0.000 description 2
- 229940035295 Ting Drugs 0.000 description 2
- 210000001364 Upper Extremity Anatomy 0.000 description 2
- 125000004429 atoms Chemical group 0.000 description 2
- 229910052570 clay Inorganic materials 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001944 continuous distillation Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- -1 shower Substances 0.000 description 2
- 230000035943 smell Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
Images
Definitions
- Figure 2 is a horizontal section of the same in the plane indicated by the line y y, fig. 1.
- the object of this invention is to distil and purify petlroleurn so as to separate its different products
- the invention consists as follows A series of retorts are arranged in a furnace and connected together at opposite ends, so that, as the petroleum is fed injt will flow through from retort to retort, entering that w'hich is least heated and finally reaching that most heated.
- the goose-necks or discharge-pipesfor the vapor are arranged as low as possible, sothat-the vapors, gen ated pass easily to the condensers.
- the condenseris composedof one, two, or more chambers, having pipes connected therewith, so that water or other cold liquid may be injected, in the form of spray, shower, or mist, into the vapors of petroleum in the condensing-chambers and condense them.
- the vessel for containing the crude petroleum to be distilled is arranged above the upper retort so that the oil may befed to the retorts continuously.
- each retorta pipe for introducing superheated steam. This has the effect to vaporize the oil, espeolally the more volatile portions in the first retorts. It also regulates the temperature in the retorts, preventing excessive heat and homing.
- the steam also serves to draw oif soon as formed, and prevents decomposition, which is liable to ensue when oil-vapors are left in contact with hot metallic surfaces.
- the steam may be conveniently superheated by passing itthrough 'a superheatiug pipe in the furnace which heats the retorts.
- One or more retorts, A, of cast-iron, clay, or any other suitable material, are arranged in the interior of the furnace B, built of brick, sufliciently high to admit, if desired, of eight, more or less, retorts, one above the other, and so constructed that it also serves as a chimney.
- Two or more dampers serve to regulate the draught of the fire, and a grate, b, with an ash-box, c, completes the fur- A tank,'0, on the top of the furnace, and supported by-suitahlc braces, receives the crude oil, and a pipe, (1, forms the communication between .thistanlr and the uppermost retort.
- the several retorts communicate with each other by means of overflow-pipes a, so arranged that a continuous flow of the oil downward is eflected, and a regu lar depth maintained in each retort.
- the oil in the retorts is mixed with superheated steam-that is introduced through a pipe, 1), eonncctul with a steam-boiler, and which enters the furnace at or near its top, and, after passing down through the entire hcight oi the sarne,'coines out at or near its bottom, whence it bends upward, communicating with the several retorts through branch pipes g, as clearly shown in the drawings
- the steam In passing down through the interior of the furnace the steam is superheated, and, as itreaehes the several retorts, it causes the oil containedit the same to vaporize, and it readily mixes with the vapors of the oil and passes ofi' with them, through the pipes h it, into the condensing-chamber or chambers E E, the vaporization of the oil bciugfurthcr facilitated by the direct action of the fire in the furnace.
- the condensation is eilected by jets of water introduced froma tank, F, through roses G, into the chambers E E.
- the condensation is eilected by jets of water introduced froma tank, F, through roses G, into the chambers E E.
- the condensation is eilected by jets of water introduced froma tank, F, through roses G, into the chambers E E.
- the condensed water and oil together with thecondensingi water, accumulate on the bottom of the chambers E, the water below and .the oil on its surface, the quantity of oil and water contained in said chambers being indicated by glass gauges, j j, that are inserted into the sides of tbechambers.
- the water which accumulates at thebottom of the chambers E E runs oil through the overflow-pipes MK, and the'oii through the pipes l l, with faucets m m, to draw oh the light oil from one and the heavy oil from the other chamber.
- These pipes are arranged so as to form a trap, which prevents any vapors from camping.
- the evaporation is facilimted, aud't'hc vapor of the oil is made to pass readily with the steam into the condensingcliambers, and, as the vapor of the oil is brought in direct contact with the condensing water and condensed simultaneously with the steam, a partial vacuum is produced in the still or stills and the miasins or atoms, which are the cause of the disagreeable smell of the oil, are precipitated with the water, and the oil is refined and deodorized in one operation.
- the light and the heavy oils can be separated from each other by the aid of myapparatus in a very convenient and expeditious manner.
- the pipes "6' are used, in combination with the connecting-pipes-c, to cause the vapors from all the retorts to pass up to the highest retort, from which the whole mass of vapors is conducted to the condensing-chainher or chambers.
- the oil in each retort is vaporized. at the lowest temperature at which it is capable of being distilled.
- Our nvention is designed for the distillation, separation, and purification of petroleum, in which it effects important results not attainable by the methods and apparatus heretofore in use.
- A'series of retorts or stills, A connected together at alternate ends, in combination with a serise at draw-oif pipes, h, so that the vapor generated in each still is immmediately drawn oil, as set forth.
- a condenser for oil-vapor composed of chamber E, in combination with spray-pipe G, or its equivalent, so as to operate substantially as set forth.
Description
EDWARD G. KELLEY & A. H. TAIT; improvement in Processes and Apparatus for Distilling, Sepa r'ating,and Purifying Petroleum. i
No, 4,375, Reissued May 9, 187i.
E I i filiuitrhsmog haunt @ffitt.
EDWARD G. KELLEY, OF NEW YORK, N. Y.. AND AUGUSTUS H. TAIT, JERSEY CITY,
NEW JERSEY, ASSIGNORS, YORK CITY.
BY MESNE ASSIGNMENTS, TO OHAIi-LES PRATT, Oi! NEW letters Patent in. 32,568, dated June 18, 1861; mm No. 4,375, out sa a, 1871.
IMPROVEMENT IN PROCESSES ThnBchedulereferredtohtheseIpttenPaturtandmaHnp-rtoithem scription of the sameprefereuce being had to the aceompanying drawing forming part, of this specification, in which- Figure 1 is a longitudinal vertical section of our invention,the line a: z, flg. 2, indicating the plane of section.
Figure 2 is a horizontal section of the same in the plane indicated by the line y y, fig. 1.
Similar letters of reference in the accompanying drawing indicate corresponding parts in the several figures.
The object of this invention is to distil and purify petlroleurn so as to separate its different products; an
The invention consists as follows A series of retorts are arranged in a furnace and connected together at opposite ends, so that, as the petroleum is fed injt will flow through from retort to retort, entering that w'hich is least heated and finally reaching that most heated.
The goose-necks or discharge-pipesfor the vapor are arranged as low as possible, sothat-the vapors, gen ated pass easily to the condensers. I
The condenseris composedof one, two, or more chambers, having pipes connected therewith, so that water or other cold liquid may be injected, in the form of spray, shower, or mist, into the vapors of petroleum in the condensing-chambers and condense them.
In the bottom of the condensing-chambers are arranged draw-ofi' pipes in the form of traps, the one for the water and the other for the oil which will float upon the water, r
The vessel for containing the crude petroleum to be distilled is arranged above the upper retort so that the oil may befed to the retorts continuously.
To assist in vaporizing thcoil in the retorts we connect with each retorta pipe for introducing superheated steam. This has the effect to vaporize the oil, espeolally the more volatile portions in the first retorts. It also regulates the temperature in the retorts, preventing excessive heat and homing.
The steam also serves to draw oif soon as formed, and prevents decomposition, which is liable to ensue when oil-vapors are left in contact with hot metallic surfaces.
the oil-vapors as v The mingling of steam with the oil-vapors assists also in wasbing and purifying the oil when condensed with them by the spray or shower in the condensers.
- Although we prefer to use the steam-jet in connection with fire-heat, either might be used alone.
The steam may be conveniently superheated by passing itthrough 'a superheatiug pipe in the furnace which heats the retorts.
To enable others skilled in the art to make and use our invention, we will now proceed to describe its construction and operation with reference to the drawing. 1
One or more retorts, A, of cast-iron, clay, or any other suitable material, are arranged in the interior of the furnace B, built of brick, sufliciently high to admit, if desired, of eight, more or less, retorts, one above the other, and so constructed that it also serves as a chimney.
Two or more dampers,.a, at or near its upper extremity, serve to regulate the draught of the fire, and a grate, b, with an ash-box, c, completes the fur- A tank,'0, on the top of the furnace, and supported by-suitahlc braces, receives the crude oil, and a pipe, (1, forms the communication between .thistanlr and the uppermost retort.
The several retorts communicate with each other by means of overflow-pipes a, so arranged that a continuous flow of the oil downward is eflected, and a regu lar depth maintained in each retort.
The lowest retortor retorts are furnished with dischargc-cocks f. v
The oil in the retorts is mixed with superheated steam-that is introduced through a pipe, 1), eonncctul with a steam-boiler, and which enters the furnace at or near its top, and, after passing down through the entire hcight oi the sarne,'coines out at or near its bottom, whence it bends upward, communicating with the several retorts through branch pipes g, as clearly shown in the drawings In passing down through the interior of the furnace the steam is superheated, and, as itreaehes the several retorts, it causes the oil containedit the same to vaporize, and it readily mixes with the vapors of the oil and passes ofi' with them, through the pipes h it, into the condensing-chamber or chambers E E, the vaporization of the oil bciugfurthcr facilitated by the direct action of the fire in the furnace.
' The condensers and chambers, which, like the furnace, are built of brick or of any suitable material, are separated from each other by a partition, 1', and they are used, one to condense the light and the other the heavy oils. v
with the condensing-chamber,
To eli'ect the separation of the oils the pipes h,.which' conduct the vapors .from the lower retorts to the condensing-chambers, are provided with branch-pipes It and stop-cocks h and h", so that, by shutting the cooks it" these retorts pass into the condensing-chamber E.
The condensation is eilected by jets of water introduced froma tank, F, through roses G, into the chambers E E. As the cold water comes in contact with the vapors of the oil the latter are condensed, and the condensed water and oil, together with thecondensingi water, accumulate on the bottom of the chambers E, the water below and .the oil on its surface, the quantity of oil and water contained in said chambers being indicated by glass gauges, j j, that are inserted into the sides of tbechambers.
The non-condensihle or very volatile gases contained in the vapors of the oil and steam or through the pipe H, and a rose, L which allows of throwing cold water into said chimney, serves to condense such coudensible vapors which may be yet mixed with the passing ofl' through the chimney. j The water which accumulates at thebottom of the chambers E E runs oil through the overflow-pipes MK, and the'oii through the pipes l l, with faucets m m, to draw oh the light oil from one and the heavy oil from the other chamber.
These pipes are arranged so as to form a trap, which prevents any vapors from camping.
The principal advantages of this apparatus are derived, in the first place, from the manner of arranging the retorts in the furnace one above the other, and from the connecting overflow-pipes, whereby the oil is gradually heated as it descends from the higheat to the lowest retort, and an explosion is rendered I almost impossible.
Furthermore, by the introduction of vsuperheated steam the evaporation is facilimted, aud't'hc vapor of the oil is made to pass readily with the steam into the condensingcliambers, and, as the vapor of the oil is brought in direct contact with the condensing water and condensed simultaneously with the steam, a partial vacuum is produced in the still or stills and the miasins or atoms, which are the cause of the disagreeable smell of the oil, are precipitated with the water, and the oil is refined and deodorized in one operation. Besides this, the light and the heavy oils can be separated from each other by the aid of myapparatus in a very convenient and expeditious manner.
In some cases it may be desirable to rectify the Olif'iiillfillii the aid of steam, and in such cases the pipes "6' are used, in combination with the connecting-pipes-c, to cause the vapors from all the retorts to pass up to the highest retort, from which the whole mass of vapors is conducted to the condensing-chainher or chambers.
In this case-that is, when it is desired to use the pipes c 0' for thepurpose of returning the vapors to the highest retort-all the pipes h h, with the exception of that pipe'which' connects the highest retort have to be closed by suitable stop-cocks, as indicated by outlines in fig. 1 of, the drawing.
By stopping these pipes the vapors are compelled to pass up through the pipes c 0' while at the same til'ne the oil drips down through the pipes a.
:The sudden condensation of thc oii-vapors-in chambers E E by the spray of cold liquid will always keep a slight vacuum in vessels E E, and thereby the vapols generated in the letorts are rapidly drawn oi! as fast as generated, and decomposition thereby prevented, since all pleasure in the Ietorts is relieved.
The oil distilled in this manner is therefore more easily deodorlred.
and opening the cooks It" the vapors from i they become vapor.
The mingling of steam with the oil-vapors and the condensation of these vapors by means of water in direct contact with them washesout any disagreeable odor thatmight be formed in the retorts.
As the oil is gradually heated and is constantly flowing through the retorts, there is little danger of overheating or producing destructive distillation.
Besides, the min ling of steam. with the oil-vapors carries them of an prevents any excessive tempera-- ture.
The oil in each retort is vaporized. at the lowest temperature at which it is capable of being distilled.
All the more volatile parts of the petroleum will be drawn oil in the cooler retorts, and only the last retorts will be subjected to a high temperature.
We prefer to su'perheat the steam used in the samefurnace employed for distilling.
We do not claim, broadly, the condensation of vapors by injecting water, as that is well known in the condensers of steam-engines, coal-gas retorts, and the like.
Our nvention is designed for the distillation, separation, and purification of petroleum, in which it effects important results not attainable by the methods and apparatus heretofore in use.
We .do not claim,'broadly, the use of steam or of superheated steam in vaporizing hydrocarbon-oils, as that is well known. .7
But it will be seen that our method of applying steam accomplishes new results, and that by means of it, together withthe process of continuous distillation, as herein described, a more perfect separation of the. valuable parts of petroleum is eiiected than by the old method of distilling pretroleum in bulk, in which, at the beginning of the operation, the oil is liable to boil over, and toward the end become so highly or retort.
Having thus described our invention,
What we claim as new is- 1. The process herein described for distilling hydrocarbon -oils, consisting in flowing the oil in a stream through a series of retorts arranged so that the oil enters the retort in the cooler part of the furnace and is subjected to an increasing temperature as it flows, so that vaporsof difierent densities are successively removed, as set forth.
2. The use in a retort or still for distilling hydrocarbons, of steam or superheated steam in connection with fire, so as to assist in hea moving the vapors as formed.
3. The method herein described for condensing the vapors of petroleum, consisting in injecting into them water or equivalent cold liquid in the form of spray or shower, substantially as described.
4. A series of retoits or stills arranged in a furnace and connected together, so that oil may be distilled continuously by being fed into the retort or still in the colder part of the furnace, and flowing successively through the retorts in the hotter portions of thefurnace, and thereby separating the different portions of oil according to the temperature at which 5. The an'angement of pipes and traps, whereby oil and water are automatically separated and removed from the condenser, substantially asset forth.
6. A'series of retorts or stills, A, connected together at alternate ends, in combination with a serise at draw-oif pipes, h, so that the vapor generated in each still is immmediately drawn oil, as set forth.
7. A condenser for oil-vapor, composed of chamber E, in combination with spray-pipe G, or its equivalent, so as to operate substantially as set forth.
8. The process herein described for purifying peheated as to decompose and thereby injure the still.
ting the oil and I18- troieum, consisting in mingling steam with the oily vapors, and condensing them by a jet or spray of water, thereby washing out any ofl'ensive odor, as set 9. The emnbinstion of one'or more stills or retorts, A, steam-pipe D, and one or more condensing-chamhen, E E, substantially as set forth.
10. The arnngement of the pipe 0', in combinatlonwith the mgeofsh'ils orretortsA,andoonneofing-pipe, substantially sin-described.
Y 11. A jet or oondenserfor treating the vapors which pass I oii' with the non-eondeusible gases, for the purpose specified.
This specification signed by us this 8th day of April,
' EDWARD G. KELLEY.
A. H. TAIT.
Witnesses:
W. Hem, E. A. Ennswonm.
Family
ID=
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