US819697A - Method of evaporating liquids. - Google Patents

Method of evaporating liquids. Download PDF

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Publication number
US819697A
US819697A US261805A US1905261805A US819697A US 819697 A US819697 A US 819697A US 261805 A US261805 A US 261805A US 1905261805 A US1905261805 A US 1905261805A US 819697 A US819697 A US 819697A
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water
vessel
level
liquid
pipe
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US261805A
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Albert P Geer
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Priority claimed from US22632604A external-priority patent/US796839A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D1/00Evaporating
    • B01D1/26Multiple-effect evaporating

Definitions

  • the present invention relates to a method of evaporating liquids in general, and especially for evaporating salt water and condensing the vapors for the production of water fit for use in the boilers of marine vessels and for other purposes.
  • the principal object of the invention is to so improve the method of accomplishing this result as to secure a proper evaporation of the salt water without danger of clogging the apparatus or of rendering the same ineffective.
  • Figure 1 is a side elevation of an appara tus which I have employed for the purpose of illustrating my invention
  • Fig. 2 is an enlarged transverse section of the same.
  • the stack A of'the boiler passes through a tube B, extending centrally through and forming part of a closed vessel B, into which discharges a pipe C, having a portion formed into a coil C, located within the stack A, the said pipe being connected at the entrance end to the coil by a pipe C with a pump or like device for forcing the salt water into the vessel B, the water during its passage through the coil C receiving a preliminary heating.
  • a water-discharge pipe D having an outlet-valve E, controlled by a float, so as to maintain the water in the vessel B at a uniform level
  • the inflow of the water to the vessel B by way of the pipe C corresponds to the aggregate amount of the water to the accompanyevaporated and the water saturated and discharged from the vessel to keep the saturation down to as low a point as possible.
  • the valve E is connected by a chain E with a float-lever E fulcrumed at E within the vessel B, and on the said float-lever E is held a float E rising and falling with the water in the vessel B.
  • a steam-coil F for heating the water in the said vessel to such a degree as to insure a rapid surface evaporation, and the entrance end F of the said coil is connected with a steam-supply and the exit end F of the coil connects with a suitable steam-trap or other device.
  • a pipe G From the top of the vessel B leads a pipe G to a condenser for condensing the vapors, or the pipe may be connected with the boilerpump.
  • the heat passing up the stack A assists in heating the water in the coil C and in the vessel B but in order to insure a quick and proper evaporation of the water it is necessary to highly heatthe same immediately below the level of the water, which is kept constant by the float-controlled discharge-valve E, so that the saturated water and the impurities falling to the bottom of the receptacle can readily flow out by way of the pipe D, thus allowing the coil F to evaporate the water, unhampered by the water which is saturated and charged with precipitating sediment.
  • the float-controlled discharge-valve E so that the saturated water and the impurities falling to the bottom of the receptacle can readily flow out by way of the pipe D, thus allowing the coil F to evaporate the water, unhampered by the water which is saturated and charged with precipitating sediment.
  • the vapors pass from the top of the vessel B by wa r of the pipe G to the condenser to be condensed, and the resultant water of condensation is then pumped to the boiler or to a storage vessel; but, if desired, the pipe G may be directly connected with the Waterfeeding device of the boiler and the condenser may work under a vacuum.
  • the constant supply of the salt water to the vessel B corresponds to the aggregate amount of the water evaporated and the saturated water running out of the discharge-pipe D, and in practice the valve E will remain open most of the time and close only temporarily on the water falling below the normal level.
  • a method of evaporating liquids which comprises highly heating the liquid to be evaporated immediately below its level and moderately heating it at other points.
  • a method of evaporating and purifying liquids which comprises passing waste heat through the liquid and applying steam heat to the liquid immediately below its level.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Description

UNITED STATES PATENT OFFICE.
ALBERT P. GEER, OF NEW LONDON, CONNECTICUT. METHOD OF EVAPORATING LIQUIDS.
Specification of Letters Patent.
latentecl May 1, 1906.
Original application filed September 28, 1904, Serial N 0. 226,326. Divided and this application filed Ma 23, 1905. Serial No. 261,805.
To mZZ whom, i2? may concern:
Be it known that I, ALBERT P. GEER, a citizen of the United States, and a resident of New London, in the county of New London and State of Connecticut, have invented a new and Improved Method of Evaporating Liquids, of which the following is a full, clear, and exact description.
This application is a division of my copending application, Serial No. 226,326, filed September 28, 1904, and the matter contained herein was canceled from the abovementioned application upon official requirement.
The present invention relates to a method of evaporating liquids in general, and especially for evaporating salt water and condensing the vapors for the production of water fit for use in the boilers of marine vessels and for other purposes.
The principal object of the invention is to so improve the method of accomplishing this result as to secure a proper evaporation of the salt water without danger of clogging the apparatus or of rendering the same ineffective.
While the process is applicable to many liquids and might be used with advantage in sugar-refining, distilling, &c., I will describe it especially with relation to the evaporation of salt water.
Reference is to be had ing drawings, iormin a part of this specification, in which simi ar characters of reference indicate corresponding parts in both the figures.
Figure 1 is a side elevation of an appara tus which I have employed for the purpose of illustrating my invention, and Fig. 2 is an enlarged transverse section of the same.
The stack A of'the boiler passes through a tube B, extending centrally through and forming part of a closed vessel B, into which discharges a pipe C, having a portion formed into a coil C, located within the stack A, the said pipe being connected at the entrance end to the coil by a pipe C with a pump or like device for forcing the salt water into the vessel B, the water during its passage through the coil C receiving a preliminary heating. From the bottom of the vessel B leads a water-discharge pipe D, having an outlet-valve E, controlled by a float, so as to maintain the water in the vessel B at a uniform level, it be ing understood that the inflow of the water to the vessel B by way of the pipe C corresponds to the aggregate amount of the water to the accompanyevaporated and the water saturated and discharged from the vessel to keep the saturation down to as low a point as possible. For the purpose mentioned the valve E is connected by a chain E with a float-lever E fulcrumed at E within the vessel B, and on the said float-lever E is held a float E rising and falling with the water in the vessel B. At or immediately below the level of the Water in the vessel B is arranged a steam-coil F for heating the water in the said vessel to such a degree as to insure a rapid surface evaporation, and the entrance end F of the said coil is connected with a steam-supply and the exit end F of the coil connects with a suitable steam-trap or other device.
From the top of the vessel B leads a pipe G to a condenser for condensing the vapors, or the pipe may be connected with the boilerpump.
It is understood that the heat passing up the stack A assists in heating the water in the coil C and in the vessel B but in order to insure a quick and proper evaporation of the water it is necessary to highly heatthe same immediately below the level of the water, which is kept constant by the float-controlled discharge-valve E, so that the saturated water and the impurities falling to the bottom of the receptacle can readily flow out by way of the pipe D, thus allowing the coil F to evaporate the water, unhampered by the water which is saturated and charged with precipitating sediment. Thus from the foregoing it will be seen that in order to insure proper working of the evaporator it is necessary to insure a proper discharge of the saturated water and to heat the waterimmediately below its level, kept constant by the floatcontrolled outlet.
The vapors pass from the top of the vessel B by wa r of the pipe G to the condenser to be condensed, and the resultant water of condensation is then pumped to the boiler or to a storage vessel; but, if desired, the pipe G may be directly connected with the Waterfeeding device of the boiler and the condenser may work under a vacuum.
Itis expressly understood that the constant supply of the salt water to the vessel B corresponds to the aggregate amount of the water evaporated and the saturated water running out of the discharge-pipe D, and in practice the valve E will remain open most of the time and close only temporarily on the water falling below the normal level.
Having thus described; my invention, I claim as newand desire to secure by Letters Patent 1. The herein-described method for evaporating liquids, consisting of heating a body of liquid having a constant supply immediately below the liquid level, and maintaining a uniform level by discharging the saturated liquid from the bottom of the said body of liquid.
2. The herein-described method for evapo- A rating liquid, consistingof heating a body of liquid immediately below the liquidlevel, to evaporate a portion of the liquid and to saturate another portion, maintaining a uniform level by discharging the saturated liquid from the body of the liquid, and replenishing the said body of liquid to the aggregate amount of the evaporated and the discharged saturated water.
3. The herein-described method for evaporating salt water, consisting of subjecting a constant supply ofsalt water tothe action of heat directly below the level of the water and more moderately heating it below the place at which said action of heat is applied, to a1 low the water at the level to evaporate and the water below the level to become saturated.
4. The herein-described method for evaporating salt water, consisting in heating salt water immediately below its level and chang ing the water by a constant discharge and a constant supply, the latter aggregating the amount of Water discharged and evaporated.
5. A method of evaporating liquids,which comprises highly heating the liquid to be evaporated immediately below its level and moderately heating it at other points. i
6. A method of evaporating and purifying liquids, which comprises passing waste heat through the liquid and applying steam heat to the liquid immediately below its level.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
ALBERT P. GEEK.
Witnesses:
DANIEL M. CRONIN, HERBERT G. EDDIS.
US261805A 1904-09-28 1905-05-23 Method of evaporating liquids. Expired - Lifetime US819697A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US261805A US819697A (en) 1904-09-28 1905-05-23 Method of evaporating liquids.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22632604A US796839A (en) 1904-09-28 1904-09-28 Evaporator.
US261805A US819697A (en) 1904-09-28 1905-05-23 Method of evaporating liquids.

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US819697A true US819697A (en) 1906-05-01

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