US1183142A - Process of obtaining sterilized and distilled water. - Google Patents
Process of obtaining sterilized and distilled water. Download PDFInfo
- Publication number
- US1183142A US1183142A US87906114A US1914879061A US1183142A US 1183142 A US1183142 A US 1183142A US 87906114 A US87906114 A US 87906114A US 1914879061 A US1914879061 A US 1914879061A US 1183142 A US1183142 A US 1183142A
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- United States
- Prior art keywords
- water
- distilled water
- temperature
- sterilized
- steam
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/06—Flash distillation
- B01D3/065—Multiple-effect flash distillation (more than two traps)
Definitions
- This invention relates to the process of obtaining sterilized and distilled water and consists in certain improvements therein as will be hereinafter fully described and pointed out in the claims.
- the object of the invention is to supply sterilized and distilled water in such quantities as are ordinarily necessary in connection with water sterilizers.
- distilled water is necessary and not only is it necessary that the water be distilled so as to take out such impurities as may be taken out by distillation but it is also desirable that the water from whichthe distilled water is taken should be sterilized. It has been common to sterilize water for hospital and general uses and this is ordinarily done by bringing the water to a temperature considerably above the bo1l1 ng point, as for instance, 250 F and maintaining the water at this temperature some time varyin somewhat according to the judgment of th operator but ord narily from twenty to tllirty minutes. This temperature involves a pressure of something like fifteen pounds.
- the temperature Before the sterilized water so subjected to this temperature can be utilized, the temperature must be reduced to the boiling point so that the water so drawn from the supply Will not be dissipated nor flash into steam when released.
- this added heat is utilized by permitting the steam to be evolved through the action of this heat by the release of pressure.
- the steam so evolved is collected, condensed and the distilled water collected from the condensation maintaining a sterilized condition with relation to the steam condensation and the collection of the distilled water.
- distilled water not only is distilled water provided but it is provided from sterilized water and the excess of heat ordinarilv used in sterilizing water is utilized so that distilled water is provided as an incident to the sterilizing process without additional heat.
- the sterilizing tanks 11 are of the usual form. They are carried by theframe 2. Each of these tanks has the usual'fittings, that is to say, the filtered airvent 4 so that water may be drawn from the tank, a safety valve 5, and a1r valve .6 permitting the escape of air.
- Tater is delivered to the tanks .1 through the pipe 7.1. Preferably the water is filtered (filter not shown). Each tank is supplied with a blow-ofl? pipe 8.
- the coil 9 is arranged in one of the tanks which is ordinarily designed to hold hot water and the coil 10 in the other of said tanks ordinarily designed to hold cold water. Steam from any suitable supply is delivered through the coil 9 and at a temperature and pressure to raise the temperature of the water in the tank 1 in which the coil 9 is located to a temperature above the boiling point and to maintain it atthis temperature a sufficient time to sterilize it.
- the condenser 11 has a condensing coil 13 which is connected by way of the pipe 12 with the sterilizing chamber.
- the pipe 12 is controlled by a valve 12*.
- the coil 13 is connected by a pipe 14 with the distilled water reservoir 15. Water is circulated through the condenser 11 by means of the pipes 16 and 17 in the usual manner.
- the distilled water reservoir 15 has the usual fittlngs, water gage 18, draw-ofl valve 19, a1r filtered vent 20, safety valve 21 and automatically operated valve 22 for allowing the escape of air.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Description
W. B. UNDERWOOD.
PROCESS or OBTAINING STERILIZED AND DISTILLED WATER.
APPLICATION FILED DEC 26, 1914. 1,183,142. Patented May 16,1916.
8140044101 W fitaZu/v 6% i 1/ UNITEDSTATES PATENT OF v wEEnEN B. UNDERWOOD, 0F ERIE, PENNSYLVANIA, AssIGNon 'ro AMERICAN s'rERI- LIZER COMPANY, or ERIE, PENNSYLVANIA, A CORPORATION oE PENNs LvANIA.
PROCESS OF OBTAINING STEBIILIZED AND DISTILLED Specification of Letters Patent.
Application filed December 26, 1914. Serial No. 879,061.
To all whom it may concern Be it known that I, IVEEDEN B. UNDER- woon, a citizen of the United States, residing at Erie, in the county of Erie and State of Pennsylvania, have invented new and useful Improvements in the Process of Obtaining Sterilized and Distilled Water, of which the following is a specification.
This invention relates to the process of obtaining sterilized and distilled water and consists in certain improvements therein as will be hereinafter fully described and pointed out in the claims.
The object of the invention is to supply sterilized and distilled water in such quantities as are ordinarily necessary in connection with water sterilizers. For some purposes distilled water is necessary and not only is it necessary that the water be distilled so as to take out such impurities as may be taken out by distillation but it is also desirable that the water from whichthe distilled water is taken should be sterilized. It has been common to sterilize water for hospital and general uses and this is ordinarily done by bringing the water to a temperature considerably above the bo1l1 ng point, as for instance, 250 F and maintaining the water at this temperature some time varyin somewhat according to the judgment of th operator but ord narily from twenty to tllirty minutes. This temperature involves a pressure of something like fifteen pounds. Before the sterilized water so subjected to this temperature can be utilized, the temperature must be reduced to the boiling point so that the water so drawn from the supply Will not be dissipated nor flash into steam when released. In the present invention this added heat is utilized by permitting the steam to be evolved through the action of this heat by the release of pressure. The steam so evolved is collected, condensed and the distilled water collected from the condensation maintaining a sterilized condition with relation to the steam condensation and the collection of the distilled water. Not only is distilled water provided but it is provided from sterilized water and the excess of heat ordinarilv used in sterilizing water is utilized so that distilled water is provided as an incident to the sterilizing process without additional heat.
In carrying out my invention I have illustrated anapparatus suitable for the purpose in the accompanying drawings wherein the sterilizing tanks 11 are of the usual form. They are carried by theframe 2. Each of these tanks has the usual'fittings, that is to say, the filtered airvent 4 so that water may be drawn from the tank, a safety valve 5, and a1r valve .6 permitting the escape of air. Tater is delivered to the tanks .1 through the pipe 7.1. Preferably the water is filtered (filter not shown). Each tank is supplied with a blow-ofl? pipe 8. The coil 9 is arranged in one of the tanks which is ordinarily designed to hold hot water and the coil 10 in the other of said tanks ordinarily designed to hold cold water. Steam from any suitable supply is delivered through the coil 9 and at a temperature and pressure to raise the temperature of the water in the tank 1 in which the coil 9 is located to a temperature above the boiling point and to maintain it atthis temperature a sufficient time to sterilize it.
The condenser 11 has a condensing coil 13 which is connected by way of the pipe 12 with the sterilizing chamber. The pipe 12 is controlled by a valve 12*. The coil 13 is connected by a pipe 14 with the distilled water reservoir 15. Water is circulated through the condenser 11 by means of the pipes 16 and 17 in the usual manner. The distilled water reservoir 15 has the usual fittlngs, water gage 18, draw-ofl valve 19, a1r filtered vent 20, safety valve 21 and automatically operated valve 22 for allowing the escape of air.
In carrying out my process with this apparatus water is delivered to the sterilizing chamber or reservoir 1, steam is turned into the coil 9 at a temperature to raise'the temperature of the water in the reservoir 1 to above the boiling point and to maintain it at this temperature a sufficient time to sterilize the water. It will be understood that at this high temperature there is pressure as the usual sterilizing temperature of 250 F. involves a pressure of fifteen pounds. After the water is sufliciently sterilized, the valve 12 is opened thus releasing the pressure in the reservoir 1; immediately steam is evolved incident to this release of pressure and passes to the condenser where the water is condensed and then passes by the pipe 15 to the distilled water reservoir. All these parts may be thoroughly sterilized by simply passing,
steam through the difierent reservoirs prior to the sterilizing operation.
In this process, therefore, sterilized distilled Water isobta'ined and in the ordinary hospital practice is obtained Without additional cost in that the heat ordinarily lost With relation to the sterilizing operation is utilized for furnishing the steam from which the distilled Water is obtained, this steam being as above described from sterilizeu Water.
What I claim as new is 7 1;- The proeessof obtaining sterilized and distilled Water which consists in heating the Water above the b'oilihg point aiid maintaining it at this temperature to sterilize the water, then releasing the pressure, storing the sterile water thus obtained at a term perature for use, collecting and eondensin' the steam evolved incident to the reduce pressure and high temperature and collecting the Water condensed. v
2. The pr ces or obtainin'g sterilizd and distilled water which eofisists in heating the water above the boilingpoint and maintaining it at this temperature to sterilize the Water, then releasing the pressure, storing the sterile Water thus obtained at a temperature for use; collectin and condensing the steam evolved incident to the reduced presthe Water condensed, maintai'nin" the stei'ile conditioiis as the steam is 061 eoted,v cohdensed and the distilled Water collected.
In testimony whereof I have hereunto set my hand iii the presence of two subscribing witnesses. v 7 H I WEEDEN B. UNDERWOOD. I Witnessesf B. M; HAMMAN, V. C. Hess.
Odplu 0! this patent in, B6 ihtliied m its each, by addressing thi "tumm 0! hilt: wl flflflltonj D. c.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US87906114A US1183142A (en) | 1914-12-26 | 1914-12-26 | Process of obtaining sterilized and distilled water. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US87906114A US1183142A (en) | 1914-12-26 | 1914-12-26 | Process of obtaining sterilized and distilled water. |
Publications (1)
Publication Number | Publication Date |
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US1183142A true US1183142A (en) | 1916-05-16 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US87906114A Expired - Lifetime US1183142A (en) | 1914-12-26 | 1914-12-26 | Process of obtaining sterilized and distilled water. |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3410650A (en) * | 1966-08-25 | 1968-11-12 | Bramson Maurice | Apparatus for sterilizing articles and producing distilled water |
US3513076A (en) * | 1965-08-31 | 1970-05-19 | Tracor | Apparatus and method for high purity distillation |
-
1914
- 1914-12-26 US US87906114A patent/US1183142A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3513076A (en) * | 1965-08-31 | 1970-05-19 | Tracor | Apparatus and method for high purity distillation |
US3410650A (en) * | 1966-08-25 | 1968-11-12 | Bramson Maurice | Apparatus for sterilizing articles and producing distilled water |
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