US775577A - Vacuum evaporating apparatus. - Google Patents
Vacuum evaporating apparatus. Download PDFInfo
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- US775577A US775577A US19833004A US1904198330A US775577A US 775577 A US775577 A US 775577A US 19833004 A US19833004 A US 19833004A US 1904198330 A US1904198330 A US 1904198330A US 775577 A US775577 A US 775577A
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- tanks
- effect
- liquor
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- tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
Definitions
- the illustrated embodiment of this invention shows an evaporating apparatus provided with vertically arranged heating tubes, al-
- An effect is shown as provided with a number of uptakes 8, which contain the usual heating-tubes vertically 'arranged in this instance, these tubes being suitably heated in the ordinary way.
- the vapor-chamber 6 connects with the vapor-pipe 5, and the liquor-chamber 14 is indicated as having a gradually-tapering lower end.
- the jacketed downtake 7 is indicated as connecting the vapor-chamber and liquor-chamber and allows the circulation of liquor through the tubes in the uptakes, this liquor descending through the downtake 7 into the liquor-chamber, the gage glass 9 being shown to indicate the amount of liquor in the effect.
- the supply-tank l is connected by the supply-pipe 2 with the automatic level-gage 11, a suitable valve 3 being interposed for manual regulation when desired.
- This automatic gage governs the amount of liquor fed from the supply tank into the effect through the supply-pipe 33, which, as indicated, enters the downtake-jacket, from which the liquor is conducted by the pipe 1() into the liquorchamber through the valves 11.
- This automatic gage is provided with the vapor connection 31, leading into the vapor-chamber of the elect and with the similar liquor connection 32 and automatically maintains the correct amount of liquor in the effect.
- a plurality of collecting-'tanks are preferablyarranged adjacent the eect and on a somewhat higher level, two of these tanks 22 being indicated in full lines in the drawing.
- Each of these tanks is preferably Jformed with an inclined screen 23 of suitable construction to prevent the passage of the precipitated or crystallized material in the concentrated liquor.
- a suitable eyeglass 30 may be formed in the tank, which is also preferably provided with a discharge-door 25, which is shown as hinged to the tank and secured in closed posi- 4 tion by a suitable clamp 26, the joint being ot' course made tight by any desired form of packing.
- a suitable vacuum-break is connected to the cover of each tank when a closed form of tank is employed, this device being indicated as a valved pipe 21.
- a similar valved connection may be used to connect the closed tank with the vapor-space of the effect.
- the return-pipe 13, which, as indicated, leads into the liquor-chamber of the effect through the two connections 12, is connected with the collecting tanks by the branches 28, each provided with a suitable valve 27 and leading into the space 24 of the collecting-tank below the screen.
- the discharge-pipe 17 connects with the constricted lower end of theliquor-chamber, which, as indicated, may be supported on suitable columns 15.
- a suitable pump 18 may be used to force the concentrated liquor through therest ot' the discharge-pipe 19 into the collecting-tanks, suitable valves 20 being employed to control the entrance of the concentrated liquor into the tanks. It is desirable for some reasons to employ closed collecting-tanks and to have A them located on a comparatively high level,
- the open collecting-tanks 29 (indicated by dotted lines in the drawing) may be used, these tanks having a substantially similar construction and being connected with the discharge and return pipes in a similar way, as is indicated by the dotted connections.
- the thin liquor is preferably continuously fed into the effect, the amount of liquor supplied being regulated by the automatic level-gage.
- a circulation of the concentrated liquor is constantly maintained through the effect and one of the collecting-tanks, this thick liquor,which may contain some crystallized material, passing from the lower end of the liquor-chamber through the discharge-pipe and through one of the valves 2O into the corresponding collecting-tank.
- the crystallized material remains above the screen in the tank, the liquor passing back into the effect through the re- In this Way the liquor within the effect is kept comparatively free from suspended crystalline matter and the injurious deposit of crystalline material upon the heatingtubes is prevented.
- the corresponding valve 2O is shut and the liquor is directed from the dischargepipe 19 into another of the collecting-tanks.
- the vacuum in the filled collecting-tank is broken by operating a Valve of the vacuumbreak and the material in the tank is allowed to drain to the desired extent, any remaining liquor being sucked through the solid material by the vacuum below the screen.
- the valve 27 may be closed and the discharge-door 25 opened so as to conveniently remove the crystallized material.
- an effect comprising heating means, a vaporchamber, a downwardly-tapering liquor-chamber and a jacketed downtake connecting said vapor-chamber and said liquor-chamber, a supply-tank an automatic level-gage and a valved supply-pipe connecting said supplytank, said gage and said effect, a plurality of collecting-tanks, each of said collecting-tanks comprising a screen, a discharge-door, an eyeglass and a vacuum-break, a return-pipe connected to said effect and provided with valved connections with said collecting-tanks, a pump and a discharge-pipe connected with said liquor-chamber and with said pump and having valved connections to said collecting-tanks to operate them alternately.
- an effect comprising a downwardly-tapering liquor-chamber, a supply-tank, an automatic level-gage and a supply-pipe connecting said supply-tank, said gage and said effect, a plurality of collecting-tanks, each of said tanks comprising a screen and a discharge-opening, a return-pipe connected tosaid effect and provided with valved connections with said collecting-tanks, a pump, and a discharge-pipe connected to said liquor-chamber and pump, and having valved connections leading to said collecting-tanks to operate them alternately.
- an effect In vacuum evaporating apparatus, an effect, a supply-pipe to feed liquor into said effect, a plurality of closed collecting-tanks, each of said tanks comprising a screen and a discharge-door, a return-pipe connected to said effect and said tanks, a pump, and a discharge-pipe connected to said effect and said pump and provided with valved connections leading to said collecting-tanks to operate them alternately.
- an effect In vacuum evaporating apparatus, an effect, a supply-pipe to supply liquor to said effect, a plurality of collecting-tanks, a returnpipe connected to said effect and said tanks and a discharge-pipe connected to. said effect and having valved connections leading to said tanks to maintain a continuous circulation of concentrated liquor from said effect through one of said tanks.
- each of said tanks comprising a screen, a discharge-door, an eyeglass and a vacuum-break, a return-pipe connected to said eiiect and said tanks and a discharge-pipe connected to said eect and having valved connections With said tanks to operate them alternately.
Description
PATENTED NOV. 22, 1904.
G. ORDWAY.
VACUUM EVAPORATING APPARATUS.
APPLICATION FILED MAB.. 16. 1904.
N0 MODEL.
BY mwvqfww/ATTORNEYS INVENTOR UNTTED STATES Patented November 22, 1904.
CHARLES ORDWAY, OF BROOKLYN, NEW YORK.
VACUUM EVAPORATING APPARATUS.
SPECIFICATION forming part of Letters Patent No. 775,577, dated November 22, 1904.
' Application ned March 16, 1904. serial No. 198,330. N0 model.)
To @ZZ whom t may concern.-
Be it known that LOHARLEs ORDwAY,a citizen of the United States, and a resident of the borough of Brooklyn, city of New York,
crystallized material is continuously removed y from the concentrated liquor in suitable col-y lecting-tanks outside the effect itself.
The accompanying drawing, which represents an embodiment of this invention, is an elevation, parts being shown in section.
The illustrated embodiment of this invention shows an evaporating apparatus provided with vertically arranged heating tubes, al-
though evaporating pans or apparatus having heating-surfaces of any description may be employed. An effect is shown as provided with a number of uptakes 8, which contain the usual heating-tubes vertically 'arranged in this instance, these tubes being suitably heated in the ordinary way. The vapor-chamber 6 connects with the vapor-pipe 5, and the liquor-chamber 14 is indicated as having a gradually-tapering lower end. The jacketed downtake 7 is indicated as connecting the vapor-chamber and liquor-chamber and allows the circulation of liquor through the tubes in the uptakes, this liquor descending through the downtake 7 into the liquor-chamber, the gage glass 9 being shown to indicate the amount of liquor in the effect.
The supply-tank l is connected by the supply-pipe 2 with the automatic level-gage 11, a suitable valve 3 being interposed for manual regulation when desired. This automatic gage governs the amount of liquor fed from the supply tank into the effect through the supply-pipe 33, which, as indicated, enters the downtake-jacket, from which the liquor is conducted by the pipe 1() into the liquorchamber through the valves 11. This automatic gage is provided with the vapor connection 31, leading into the vapor-chamber of the elect and with the similar liquor connection 32 and automatically maintains the correct amount of liquor in the effect.
A plurality of collecting-'tanks are preferablyarranged adjacent the eect and on a somewhat higher level, two of these tanks 22 being indicated in full lines in the drawing. Each of these tanks is preferably Jformed with an inclined screen 23 of suitable construction to prevent the passage of the precipitated or crystallized material in the concentrated liquor. A suitable eyeglass 30 may be formed in the tank, which is also preferably provided with a discharge-door 25, which is shown as hinged to the tank and secured in closed posi- 4 tion by a suitable clamp 26, the joint being ot' course made tight by any desired form of packing. A suitable vacuum-break is connected to the cover of each tank when a closed form of tank is employed, this device being indicated as a valved pipe 21. It desired, also, a similar valved connection may be used to connect the closed tank with the vapor-space of the effect. The return-pipe 13, which, as indicated, leads into the liquor-chamber of the effect through the two connections 12, is connected with the collecting tanks by the branches 28, each provided with a suitable valve 27 and leading into the space 24 of the collecting-tank below the screen. The discharge-pipe 17 connects with the constricted lower end of theliquor-chamber, which, as indicated, may be supported on suitable columns 15.
A suitable pump 18 may be used to force the concentrated liquor through therest ot' the discharge-pipe 19 into the collecting-tanks, suitable valves 20 being employed to control the entrance of the concentrated liquor into the tanks. It is desirable for some reasons to employ closed collecting-tanks and to have A them located on a comparatively high level,
so that the return of the liquor to the effecty i turn-pipe.
is caused in whole or in part by gravity. Yet this is not necessary in all cases, and, if desired, the open collecting-tanks 29 (indicated by dotted lines in the drawing) may be used, these tanks having a substantially similar construction and being connected with the discharge and return pipes in a similar way, as is indicated by the dotted connections.
In using this apparatus for the evaporation of salt or similar material the thin liquor is preferably continuously fed into the effect, the amount of liquor supplied being regulated by the automatic level-gage. At the same time a circulation of the concentrated liquor is constantly maintained through the effect and one of the collecting-tanks, this thick liquor,which may contain some crystallized material, passing from the lower end of the liquor-chamber through the discharge-pipe and through one of the valves 2O into the corresponding collecting-tank. The crystallized material remains above the screen in the tank, the liquor passing back into the effect through the re- In this Way the liquor within the effect is kept comparatively free from suspended crystalline matter and the injurious deposit of crystalline material upon the heatingtubes is prevented. When one of the collecting-tanks is substantially {illed with crystalline material, as can be observed through the eyeglass, the corresponding valve 2O is shut and the liquor is directed from the dischargepipe 19 into another of the collecting-tanks. The vacuum in the filled collecting-tank is broken by operating a Valve of the vacuumbreak and the material in the tank is allowed to drain to the desired extent, any remaining liquor being sucked through the solid material by the vacuum below the screen. Thereafter the valve 27 may be closed and the discharge-door 25 opened so as to conveniently remove the crystallized material. By again closing the discharge-door and the valve of the vacuum-break the empty collecting-chamber is again ready for use and the vacuum may be again put upon it by opening the valve 2"( or by operating another vacuum connection in the top of the tank.
It is of course understood that the separate collecting tanks and the circulating means connected therewith may be employed in connection with either a single-elect apparatus or may be connected with each effect of a mul- -of the same without departing from the spirit of this invention or losing the advantages of the same. I do not, therefore, desire to be limited to the details of the disclosure which has been made in this case; but
What I claim as new, and what I desirek to secure by Letters Patent, is set forth in the appended claims:
1. In vacuum evaporating apparatus, an effect comprising heating means, a vaporchamber, a downwardly-tapering liquor-chamber and a jacketed downtake connecting said vapor-chamber and said liquor-chamber, a supply-tank an automatic level-gage and a valved supply-pipe connecting said supplytank, said gage and said effect, a plurality of collecting-tanks, each of said collecting-tanks comprising a screen, a discharge-door, an eyeglass and a vacuum-break, a return-pipe connected to said effect and provided with valved connections with said collecting-tanks, a pump and a discharge-pipe connected with said liquor-chamber and with said pump and having valved connections to said collecting-tanks to operate them alternately.
2. In Vacuum evaporating apparatus, an effect .comprising a downwardly-tapering liquor-chamber, a supply-tank, an automatic level-gage and a supply-pipe connecting said supply-tank, said gage and said effect, a plurality of collecting-tanks, each of said tanks comprising a screen and a discharge-opening, a return-pipe connected tosaid effect and provided with valved connections with said collecting-tanks, a pump, and a discharge-pipe connected to said liquor-chamber and pump, and having valved connections leading to said collecting-tanks to operate them alternately.
3. In vacuum evaporating apparatus, an effect, a supply-pipe to feed liquor into said effect, a plurality of closed collecting-tanks, each of said tanks comprising a screen and a discharge-door, a return-pipe connected to said effect and said tanks, a pump, and a discharge-pipe connected to said effect and said pump and provided with valved connections leading to said collecting-tanks to operate them alternately.
4. In vacuum evaporating apparatus, an effect, a supply-pipe to supply liquor to said effect, a plurality of collecting-tanks, a returnpipe connected to said effect and said tanks and a discharge-pipe connected to. said effect and having valved connections leading to said tanks to maintain a continuous circulation of concentrated liquor from said effect through one of said tanks.
5. `In vacuum evaporating apparatus, an eiiect, a plurality of collecting-tanks formed with screens, a return-pipe connected to said eect and to said tanks, a discharge-pipe connected to said effect and said tanks and means to allow a continuous circulationof concentrated liquor from said effect through one of said tanks.
6. In vacuum evaporating apparatus, an effect, a collecting-tank adjacent said eect, a
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return-pipe connected to said eliect and said tank and a discharge-pipe connected to said effect and said tank to allow a circulation of concentrated liquor from said effect through said tank to remove the precipitated material from said liquor before returning the same to said effect.
7 In vacuum evaporating apparatus, an effect, a plurality of closed collecting-tanks, each of said tanks comprising a screen, a discharge-door, an eyeglass and a vacuum-break, a return-pipe connected to said eiiect and said tanks and a discharge-pipe connected to said eect and having valved connections With said tanks to operate them alternately.
8. In vacuum evaporating apparatus, an effect, a supply-pipe to supply liquor to said effect, a closed collecting-tank adjacent said effect, a return-pipe connected to said effect CHARLES ORDWAY.
Witnesses:
HARRY L. DUNCAN, JEssIE B. KAY.'
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US19833004A US775577A (en) | 1904-03-16 | 1904-03-16 | Vacuum evaporating apparatus. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US19833004A US775577A (en) | 1904-03-16 | 1904-03-16 | Vacuum evaporating apparatus. |
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US775577A true US775577A (en) | 1904-11-22 |
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US19833004A Expired - Lifetime US775577A (en) | 1904-03-16 | 1904-03-16 | Vacuum evaporating apparatus. |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5472622A (en) * | 1993-04-20 | 1995-12-05 | Ionics, Incorporated | Salt basket for crystallizer and method of use in zero liquid discharge industrial facilities |
-
1904
- 1904-03-16 US US19833004A patent/US775577A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5472622A (en) * | 1993-04-20 | 1995-12-05 | Ionics, Incorporated | Salt basket for crystallizer and method of use in zero liquid discharge industrial facilities |
US5575923A (en) * | 1993-04-20 | 1996-11-19 | Ionics, Incorporated | Salt basket for crystallizer and method of use in zero liquid discharge industrial facilities |
US5656161A (en) * | 1993-04-20 | 1997-08-12 | Ionics, Incorporated | Salt basket for crystallizer and method of use in zero liquid discharge industrial facilities |
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