US808997A - Concentrator for solutions. - Google Patents
Concentrator for solutions. Download PDFInfo
- Publication number
- US808997A US808997A US24642605A US1905246426A US808997A US 808997 A US808997 A US 808997A US 24642605 A US24642605 A US 24642605A US 1905246426 A US1905246426 A US 1905246426A US 808997 A US808997 A US 808997A
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- US
- United States
- Prior art keywords
- coil
- tank
- heating
- concentrating
- pipe
- 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.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/02—Solvent extraction of solids
- B01D11/0215—Solid material in other stationary receptacles
- B01D11/0219—Fixed bed of solid material
Definitions
- the object of my invention is a concentrator in which the eva oration of the solvent is made to take p ace at the surface while the body thereof is kept cool, which is provided with an efficient and economical means for attaining this latter result.
- Figure l is a vertical sectlonal view through a concentrator embodying my invention.
- Fig. 2 is a detail view, partially in section and partially in side elevation, of a modified form of concentrating-tank and coil attachment.
- a heating-coil C is located near the bottom b of the concentratingtank, which in the form illustrated is made conical and communicates with an external coil D, which at its lower end communicates with the top of the reservoir E, in whose bottom is located a discharge-pipe e, containing a valve e.
- an enlarged pipe b leads into a condenser F, from which a pipef leads back into the top of the steeping-tank A, pipef having a valve f
- pipe D has its ower end d curved upward into an arm d', which is carried u to the level of the top of the heating-coil Cp and discharges into a receptacle G.
- a regulating-valve d2 Within pipe D is located a regulating-valve d2.
- Vessel G has a dischargecock g.
- valve a/ In operation after the steeping process has gone on for the desired time the valve a/ is opened and the solution passes into the concentrating-tank B, covering the heating-coil c, which may be heated by means of steam or other heating medium.
- the external coil D being located just below the heating-coil and being kept cool .by reason of its large exposure of surface to the atmosphere, keeps the liquid below the heating-coil cool, so that the substances held in solution are not deleteriously affected by the heat, while at the same time it aords a sufficient communication between the main body of the fluid in the reservoir E and the portion of the fluid near the surface to maintain the uniformit 'of the solution throughout.
- opening valve c which is kept closed during the process of concentrating.8o
- valve d2 may be opened, and the height of the pipe d then maintains the level of the fluid in the tank B above heating-coil C.
- the valve e in the preferred form and the pipe d in the modiiied form are the means illustrated by me for keeping the level of the liquid around the heating coils. In this modication the external coil D likewise keeps the body of the solution cool to the desired degree.
- What claim is- 1.
- a steeping-tank a means of communication between the steeping-tank and the concentrating-tank, a condenser and means for connecting the condenser with the top of the concentratingtank and Witlithe steepingtank.
Description
PATENTED JAN. v.2, 1906.
J. U. LLOYD. CONGENTRATOR FOR SOLUTIONS.
APPLICATION FILED FEB. 20, 1905.
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UNITED sTATEs PATENT OEEIOE.
Speccaton of Letters Patent.
Patented Jan. 2, 1906.
Application filed February 20, 1905. Serial No. 246,426.
To all whom it may concern:
Be it known that I, JOHN URI LLOYD, a citizen of the United States of America, and a resident of Norwood, county of Hamilton, State of Ohio, have invented certain new and useful Improvements in Ooncentrators for Solutions, of which the following is a speciiication.
The object of my invention is a concentrator in which the eva oration of the solvent is made to take p ace at the surface while the body thereof is kept cool, which is provided with an efficient and economical means for attaining this latter result.
In the accom anying drawings, Figure l is a vertical sectlonal view through a concentrator embodying my invention. Fig. 2 is a detail view, partially in section and partially in side elevation, of a modified form of concentrating-tank and coil attachment.
' The herbs or other material .from which an extract or abstract `is to be made is placed in a steeping-tankA and stee ed inthe solventas', -for instance, alcoho for the desired period. The solvent is placed in the steepingtank A by removin its cover, and is kept therein at a higher evel than the coil C in concentrating-tank B. From the bottom of the steeping-tank a pipe a leads into concentrating-'tank B at a distance above its bottom. Within pipe a a valve a for regulating the communication Vbetween the steepingtank and the concentrator is placed. Within concentrating-tank B a heating-coil C is located near the bottom b of the concentratingtank, which in the form illustrated is made conical and communicates with an external coil D, which at its lower end communicates with the top of the reservoir E, in whose bottom is located a discharge-pipe e, containing a valve e. From the top of concentratingtank B an enlarged pipe b leads into a condenser F, from which a pipef leads back into the top of the steeping-tank A, pipef having a valve f In the modification shown in Fig. 2 in place of having a reservoir E pipe D has its ower end d curved upward into an arm d', which is carried u to the level of the top of the heating-coil Cp and discharges into a receptacle G. Within pipe D is located a regulating-valve d2. Vessel G has a dischargecock g.
In operation after the steeping process has gone on for the desired time the valve a/ is opened and the solution passes into the concentrating-tank B, covering the heating-coil c, which may be heated by means of steam or other heating medium. The evaporation of the solvent, such as alcohol, takes place at the surface of the fluid in the concentratingtank B, passes thence up into the pipe b and condenser F, and, when condensed, passes through pipe f into the steeping-tank A to be used again for steeping. The external coil D, being located just below the heating-coil and being kept cool .by reason of its large exposure of surface to the atmosphere, keeps the liquid below the heating-coil cool, so that the substances held in solution are not deleteriously affected by the heat, while at the same time it aords a sufficient communication between the main body of the fluid in the reservoir E and the portion of the fluid near the surface to maintain the uniformit 'of the solution throughout. After the uid has been concentrated to the extent desired it may be drawn off through the dischargepipe e by opening valve c, which is kept closed during the process of concentrating.8o
the liquid in order to kee the fluid above the level 'of the heating-coil? In the modification after the process has been started the valve d2 may be opened, and the height of the pipe d then maintains the level of the fluid in the tank B above heating-coil C. The valve e in the preferred form and the pipe d in the modiiied form are the means illustrated by me for keeping the level of the liquid around the heating coils. In this modication the external coil D likewise keeps the body of the solution cool to the desired degree.
What claim is- 1. The combination of a concentratingtank, a heating-coil located within the tank near its bottom, an external coil communicating with the tank below the heating-coil, and a means for keeping the level of the liquid in the concentrating-tank around the heating-coil.
2. The combination of a concentratingtank, a heating-coil located therein near its bottom, an external coil communicating at one end with the concentrating-tank below the heating-coil, and a reservoir at the other end of the external coil.
3. The combination of a concentratingtank, a heating-coil within the concentrating-tank near its bottom, a reservoir located IOO IIO
beloW the concentrating-tank, and an external coil connecting the top of the reservoir and the bottom of the concentrating-tank.
4. The combination of a concentratingtank, a heating-coil Within the concentratin -tank near the bottom thereof, an externa coil communicating With the concentrating-tank beloW the level of the heating-coil, a means of holding the luid in the concenro trating-tank at the level of the heating-coil,
a steeping-tank, a means of communication between the steeping-tank and the concentrating-tank, a condenser and means for connecting the condenser with the top of the concentratingtank and Witlithe steepingtank. n
JOHN URI LLOYD. Witnesses:
WALTER F. MURRAY, AGNES MCCORMACK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24642605A US808997A (en) | 1905-02-20 | 1905-02-20 | Concentrator for solutions. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24642605A US808997A (en) | 1905-02-20 | 1905-02-20 | Concentrator for solutions. |
Publications (1)
Publication Number | Publication Date |
---|---|
US808997A true US808997A (en) | 1906-01-02 |
Family
ID=2877478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US24642605A Expired - Lifetime US808997A (en) | 1905-02-20 | 1905-02-20 | Concentrator for solutions. |
Country Status (1)
Country | Link |
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US (1) | US808997A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5098662A (en) * | 1990-08-10 | 1992-03-24 | Corning Incorporated | Modular solvent extractor/concentrator apparatus |
US5677193A (en) * | 1994-06-23 | 1997-10-14 | Lockheed Martin Idaho Technologies Company | Method and apparatus for processing a test sample to concentrate an analyte in the sample from a solvent in the sample |
-
1905
- 1905-02-20 US US24642605A patent/US808997A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5098662A (en) * | 1990-08-10 | 1992-03-24 | Corning Incorporated | Modular solvent extractor/concentrator apparatus |
US5677193A (en) * | 1994-06-23 | 1997-10-14 | Lockheed Martin Idaho Technologies Company | Method and apparatus for processing a test sample to concentrate an analyte in the sample from a solvent in the sample |
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