CA1162476A - Method and apparatus for enriching liquids with gases - Google Patents
Method and apparatus for enriching liquids with gasesInfo
- Publication number
- CA1162476A CA1162476A CA000361536A CA361536A CA1162476A CA 1162476 A CA1162476 A CA 1162476A CA 000361536 A CA000361536 A CA 000361536A CA 361536 A CA361536 A CA 361536A CA 1162476 A CA1162476 A CA 1162476A
- Authority
- CA
- Canada
- Prior art keywords
- liquid
- gas
- space
- pipe
- pressure
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D1/00—Apparatus or devices for dispensing beverages on draught
- B67D1/0042—Details of specific parts of the dispensers
- B67D1/0057—Carbonators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/236—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids specially adapted for aerating or carbonating beverages
- B01F23/2362—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids specially adapted for aerating or carbonating beverages for aerating or carbonating within receptacles or tanks, e.g. distribution machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/98—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Non-Alcoholic Beverages (AREA)
- Devices For Dispensing Beverages (AREA)
- Gas Separation By Absorption (AREA)
Abstract
A B S T R A C T
The invention relates to a method for enriching liquids with gases, more particularly to the enrichment of water with CO2 gas for the production of beverages, of the type in which the liquid is cooled and intensive contact between gas and liquid is obtained by introducing one of the two media into the other. In order to achieve rapid and intensive enrichment at low pressure, continuous mixing of gas with enriched liquid is effected by a closed circuit.
It is possible either to pump gas from the gas-cushion formed above the liquid and to introduce it below the level of the enriched liquid, or to pump a part of the enriched liquid into the gas-cushion formed above the enriched liquid.
The invention relates to a method for enriching liquids with gases, more particularly to the enrichment of water with CO2 gas for the production of beverages, of the type in which the liquid is cooled and intensive contact between gas and liquid is obtained by introducing one of the two media into the other. In order to achieve rapid and intensive enrichment at low pressure, continuous mixing of gas with enriched liquid is effected by a closed circuit.
It is possible either to pump gas from the gas-cushion formed above the liquid and to introduce it below the level of the enriched liquid, or to pump a part of the enriched liquid into the gas-cushion formed above the enriched liquid.
Description
The invention relates to a method for enriching liquids with gases, more particularly for enriching water with CO2 gas for the production of bever-ages, whereby the liquid is cooled and intensive contact between the gas and the liquid is effected, one of the two media being introduced into the other.
The invention also relates to an apparatus for the execution of this method.
In the beverage industry in particular, techniques of this kind are used to produce so-called refreshment-beverages such as lemonade, fruit-juice beverages, mineral waters or alcoholic drinks, by enrichment with CO2 gas, the purpose of this carbonation being to make the drinks appetizing. Various specific methods enriching these liquids with CO2 are known.
In one of these known methods, water or other liquid is pumped through a nozzle and gas is supplied in the vicinity thereof, thus producing intensive contact between the gas and the liquid. According to another methodl the liquid is sprayed, under high pressure, through a nozzle, into a so-called carbonating tank onto a water surface, the CO2 gas being thus drawn into the water. Other methods operate by spraying the liquid with fog-nozzles or drippers to increase the surface of the water in the carbonating tank. Finally, methods are known whereby C02 gas is introduced into a carbonating tank, below the surface of the liquid, through a diffuser, in order to achieve a larger area of contact between gas and liquid. It is known to pre-cool the liquid prior to carbonat-ing in order to increase the efficiency of the mixing process.
The crucial disadvantage of all of these known methods is that no en-ric~mlent is possible until saturation or pressure-equilibrium has been reached.
This means that in each of the known carbonating processes, any CO2 gas which has not gone into solution in the liquid is compressed and appears in the so-called head space in the carbonating tank, above the level of the liquid.
Increasing the gas-pressure in the h~ space in the carbonating tank results in further impairment of the carbonating efficiency, because of the ever-decreasing difference between the liquid-spray pressure and the gas-pres-sure. Under unfavourable circumstances, the gas-pressure may equal the liquid-spray pressure, which means that liquid is no longer fed to the carbonating tank. For *his reason, a controlled amount of gas is released to the atmosphere by these known methods, in order to prevent any undue increase in pressure, and this produces considerable losses.
In order to increase the carbonating efficiency in known methods, therefore, high operating pressures must be used. This creates problems in filling and emptying the carbonating tank, mainly in that the high pressure-difference to be bridged by the valves produces substantial pressure surges whenever the valves are opened or closed, whereby the valves and pumps are highly stressed, leading to premature operational defects in the carbonating equipment.
It is the purpose of the invention to eliminate or lessen the dis-advantages of known methods and apparatus and to ensure faster and increased carbonating of the liquid up to the equilibrium pressure, with low internal pressure in the tank.
According to the invention~ this purpose is achieved in that con-~0 stant mixing of the gas and carbonated liquid is obtained by means of a closedcircuit containing one of the media superimposed over ~he supply of both media.
To this end, according to the invention, it is possible either to take gas constantly from the gas-cushion formed above the liquid and to feed it, below the level of the liquid, into the carbonated liquid, or to remove part of the carbonated liquid constantly and feed it back into the said gas-cushion above the liquid.
This configuration of the method according to the invention provides 7~
uniform and intensive enrichment of the liqud with gas, until the gas is fully absorbed upon reaching the relevant equilibrium-pressure, with no need for any increase in the operating pressure for the purpose. The low operating pressure not only makes it possible to use simpler and less costly pressure-tanks, con-necting lines, and pump units, but also ensures reliable operation, in spite of a considerable increase in the degree of enrichment.
The apparatus for the execution of the method comprises a pressure-tank accommodating the carbonated ]iquid and provided with a cooling means and appropriate insulation. Arranged in the said tank is a liquid-supply pipe terminating above the level of the liquid, a gas-supply pipe entering below the level of the liquid, and an immersion pipe extending almost to the bottom of the tank, for removal of the carbonated liquid.
In one example of embodiment, according to the invention, of an appa-ratus of this kind, the suction-connection of a gas-circulating pump is connec-ted to the head space of the pressure-tank which is above the level of the liquid and is filled with gas, the pressure-connection of the said pump being connected to the gas-supply line leading to the gas-pipe. In this embodiment, gas is taken constantly from the gas-cushion formed above the liquid and is introduced, below the level of the liquid, into the carbonated liquid. The gas-circulating pump, in this case, may be arranged either within the pressure-tank head space, or in a housing connected to the said head space. This makes it possible to use an inexpensive and reliable gas-circulating pump since, regardless of the pressure-level in the apparatus, the pump is required to provide only the output needed to circulate the flow of gas. According to another configuration of the apparatus according to the invention, the suction-connection of a liquid-circulating pump projects into the liquid space in the pressure-tank, the pressure-connection thereof being connected to a supply-pipe 7~
opening into the said head space and connected to an injection-nozzle. In this case, part of the carbonated liquid is removed constantly and is fed back into the gas-cushion formed above the liquid, in order to increase the degree of enrichment until gas-absorption equilibrium-pressure is reached.
In both of these configurations according to the invention, it is desirable to fit a diffuser to the end of the gas-pipe, since this improves tlte distribution of the gas introduced into the liquid, and the surface ob-tained for the enrichment process is enlarged.
In summary, according to a first broad aspect of the present invention, there is provided a method for enriching a liquid with a gas in which the liquid is cooled and intensive contact between the gas and the liquid is effected by introducing the gas into a liquid space of a pressure tank via a gas line and introducing the liquid into a gas head space within the pressure tank via a liquid line, characterised by continuously recirculating directly to the gas line gas which has collected in the head space, or continuously recirculating directly to the liquid line gas enriched liquid from the liquid space? while the gas and the liquid are simultaneously fed in.
According to a second broad aspect of the present invention, there is provided apparatus for enriching a liquid medium with a gas medium, the apparatus comprising a pressure tank having a liquid space accommodating the liquid enriched with gas and a head space above the liquid space, the said prcssure tank being provided with a cooling unit and insulation and comprising a supply-pipe for the liquid terminating in the head space, a gas-pipe opening into the liquid space, and an immersion-pipe extending almost to the bottom of tlle said tank for removal of the liquid enriched with gas, characterized by means establishing a closed circuit comprising the head space and the liquid space and means for continuously mixing gas collecting in the head space with r~' I
:0` :~
.6~
the enriched liquid in the liquid space.
The invention will now be described in greater detail with reference to the accompanying drawings in whicll:
Figure 1 is a vertical section through one embodiment of carbonating apparatus according to the invention; and Figure 2 is a similar section through another embodiment of the new carbonating apparatus.
In both embodiments, the apparatus comprises a pressure-tank 1, pre-ferably made of high-grade steel and fitted with a safety-valve, not shown in the drawing. Located in pressure-tank 1 is an evaporator coil 2 forming part of a cooling unit in which a liquid coolant is evaporated to provide in-tensive cooling of the pressure-tank. In the vicinity of coil 2, this refrig-eration produces a layer of ice 3, as shown in Figures 1 and 2. In order to reduce the amount of heat picked up from the outside~ the outside of the pressure-tank has a layer of insulation 4.
The liquid to be enriched with gas, preferably C02 gas, arrives through a line 5 and passes into the pressure-tank through an inlet-pipe 6 preferably provided with an injection-nozzle to distribute the liquid. This nozzle promotes gas-enrichment by enlarging the surface of the ]iquid. The liquid level in the tank is controlled by a float-switch 7 which keeps the -4a-~6~
level within predeteTmined limits. In the two figures, the maximum liquid-level is indicated with a full line and the minimum level with a broken line.
The tank thus has a liquid space 8 and a-head-space 9, the latter being filled with gas.
The gas arrives through a line lO, connected to a gas-bottle through a pressure reducer, and passes through a gas-pipe ll and a diffuser 12 into liquid space 8. The diffuser divides the gas into very fine bubbles, thus improving the distribution thereof in the liquid and increasing the surface of the liquid available to pick up the gas.
The gas~enriched liquid is removed through an immersion pipe 13 which e~tends almost to the bottom of the tank and passes the liquid to an outlet line 14 fitted with valves or cocks, not shown in the drawings, from which the liquid may be tapped at will.
The layer 3 of ice serves to keep the liquid cold, the thickness of the layer being checked by a sensor 15 which switches the cooling unit on and off as required.
In the embodiment according to Figure l, suction-connection 16a of a gas-circulating pump 16 is connected to head space 9 of pressure-tank 1 which forms above the level of the liquid and is filled with gas, prcssure-connection 16b of the pump being connected to gas-line 10 leading to gas-pipe 11. Pump 16 is preferably in the form of a diaphragm-pump driven by an oscillating mag-net. A pump of this kind contains no rotating parts, needs no maintenance, and is e~tremely inexpensive. Gas-circulating pump 16 is accommodated in a housing 17 communicating with head space 9 in pressure-tank 1. Thus the pressure-differential between suction-connection 16a and pressure-connection 16b cor-responds only to the capacity of the pump, regardless of the opGrating pressure in the unit. This avoids the use of pressure-increasing pumps which are not only costly but are also unreliable.
Constant removal of gas from the gas-cushion in head space 9 of the pressure-tank by gas-circulating pump 16, and feeding this gas into liquid space 8, produces constant mixing of gas and carbonated liquid in a closed cir-cuit superimposed over the intermittent supply of the two media. This is a simple way of increasing the degree of enrichment up to the equilibrium-pres-sure. Thus, for example, water from the city mains can take into solution the maximum amount of CO2 gas, depending upon the carbonating pressure and the tem-perature. In a practical example, the carbonating pressure is 1.8 bars. At a temperature of 0C, this gives a C02 volume of 4.65 or 9.3 g/L.
In the embodiment illustrated in Figure 2, suction-connection 18a of a liquid-circulating pump 18 projects into liquid space 8 in the pressure tank, pressure-connection 18b of the pump communicating with head-space 9 via th0 inlet-pipe 6 provided with an injection-nozzle. Liquid-circulating pump 18 constantly removes some of the carbonated liquid from pressure-tank 1 and re-turns it to the gas-cushion formed above the liquid, thus su~jecting the liquid to constant mixing with the gas. This design thus also comprises a closed cir-cuit carrying one of the media, namely the carbonated liquid, which is super-imposed over the inte~mittent supply of gas and liquid and leads to a pronounced increase in the degree of enrichment of the liquid with gas.
The invention also relates to an apparatus for the execution of this method.
In the beverage industry in particular, techniques of this kind are used to produce so-called refreshment-beverages such as lemonade, fruit-juice beverages, mineral waters or alcoholic drinks, by enrichment with CO2 gas, the purpose of this carbonation being to make the drinks appetizing. Various specific methods enriching these liquids with CO2 are known.
In one of these known methods, water or other liquid is pumped through a nozzle and gas is supplied in the vicinity thereof, thus producing intensive contact between the gas and the liquid. According to another methodl the liquid is sprayed, under high pressure, through a nozzle, into a so-called carbonating tank onto a water surface, the CO2 gas being thus drawn into the water. Other methods operate by spraying the liquid with fog-nozzles or drippers to increase the surface of the water in the carbonating tank. Finally, methods are known whereby C02 gas is introduced into a carbonating tank, below the surface of the liquid, through a diffuser, in order to achieve a larger area of contact between gas and liquid. It is known to pre-cool the liquid prior to carbonat-ing in order to increase the efficiency of the mixing process.
The crucial disadvantage of all of these known methods is that no en-ric~mlent is possible until saturation or pressure-equilibrium has been reached.
This means that in each of the known carbonating processes, any CO2 gas which has not gone into solution in the liquid is compressed and appears in the so-called head space in the carbonating tank, above the level of the liquid.
Increasing the gas-pressure in the h~ space in the carbonating tank results in further impairment of the carbonating efficiency, because of the ever-decreasing difference between the liquid-spray pressure and the gas-pres-sure. Under unfavourable circumstances, the gas-pressure may equal the liquid-spray pressure, which means that liquid is no longer fed to the carbonating tank. For *his reason, a controlled amount of gas is released to the atmosphere by these known methods, in order to prevent any undue increase in pressure, and this produces considerable losses.
In order to increase the carbonating efficiency in known methods, therefore, high operating pressures must be used. This creates problems in filling and emptying the carbonating tank, mainly in that the high pressure-difference to be bridged by the valves produces substantial pressure surges whenever the valves are opened or closed, whereby the valves and pumps are highly stressed, leading to premature operational defects in the carbonating equipment.
It is the purpose of the invention to eliminate or lessen the dis-advantages of known methods and apparatus and to ensure faster and increased carbonating of the liquid up to the equilibrium pressure, with low internal pressure in the tank.
According to the invention~ this purpose is achieved in that con-~0 stant mixing of the gas and carbonated liquid is obtained by means of a closedcircuit containing one of the media superimposed over ~he supply of both media.
To this end, according to the invention, it is possible either to take gas constantly from the gas-cushion formed above the liquid and to feed it, below the level of the liquid, into the carbonated liquid, or to remove part of the carbonated liquid constantly and feed it back into the said gas-cushion above the liquid.
This configuration of the method according to the invention provides 7~
uniform and intensive enrichment of the liqud with gas, until the gas is fully absorbed upon reaching the relevant equilibrium-pressure, with no need for any increase in the operating pressure for the purpose. The low operating pressure not only makes it possible to use simpler and less costly pressure-tanks, con-necting lines, and pump units, but also ensures reliable operation, in spite of a considerable increase in the degree of enrichment.
The apparatus for the execution of the method comprises a pressure-tank accommodating the carbonated ]iquid and provided with a cooling means and appropriate insulation. Arranged in the said tank is a liquid-supply pipe terminating above the level of the liquid, a gas-supply pipe entering below the level of the liquid, and an immersion pipe extending almost to the bottom of the tank, for removal of the carbonated liquid.
In one example of embodiment, according to the invention, of an appa-ratus of this kind, the suction-connection of a gas-circulating pump is connec-ted to the head space of the pressure-tank which is above the level of the liquid and is filled with gas, the pressure-connection of the said pump being connected to the gas-supply line leading to the gas-pipe. In this embodiment, gas is taken constantly from the gas-cushion formed above the liquid and is introduced, below the level of the liquid, into the carbonated liquid. The gas-circulating pump, in this case, may be arranged either within the pressure-tank head space, or in a housing connected to the said head space. This makes it possible to use an inexpensive and reliable gas-circulating pump since, regardless of the pressure-level in the apparatus, the pump is required to provide only the output needed to circulate the flow of gas. According to another configuration of the apparatus according to the invention, the suction-connection of a liquid-circulating pump projects into the liquid space in the pressure-tank, the pressure-connection thereof being connected to a supply-pipe 7~
opening into the said head space and connected to an injection-nozzle. In this case, part of the carbonated liquid is removed constantly and is fed back into the gas-cushion formed above the liquid, in order to increase the degree of enrichment until gas-absorption equilibrium-pressure is reached.
In both of these configurations according to the invention, it is desirable to fit a diffuser to the end of the gas-pipe, since this improves tlte distribution of the gas introduced into the liquid, and the surface ob-tained for the enrichment process is enlarged.
In summary, according to a first broad aspect of the present invention, there is provided a method for enriching a liquid with a gas in which the liquid is cooled and intensive contact between the gas and the liquid is effected by introducing the gas into a liquid space of a pressure tank via a gas line and introducing the liquid into a gas head space within the pressure tank via a liquid line, characterised by continuously recirculating directly to the gas line gas which has collected in the head space, or continuously recirculating directly to the liquid line gas enriched liquid from the liquid space? while the gas and the liquid are simultaneously fed in.
According to a second broad aspect of the present invention, there is provided apparatus for enriching a liquid medium with a gas medium, the apparatus comprising a pressure tank having a liquid space accommodating the liquid enriched with gas and a head space above the liquid space, the said prcssure tank being provided with a cooling unit and insulation and comprising a supply-pipe for the liquid terminating in the head space, a gas-pipe opening into the liquid space, and an immersion-pipe extending almost to the bottom of tlle said tank for removal of the liquid enriched with gas, characterized by means establishing a closed circuit comprising the head space and the liquid space and means for continuously mixing gas collecting in the head space with r~' I
:0` :~
.6~
the enriched liquid in the liquid space.
The invention will now be described in greater detail with reference to the accompanying drawings in whicll:
Figure 1 is a vertical section through one embodiment of carbonating apparatus according to the invention; and Figure 2 is a similar section through another embodiment of the new carbonating apparatus.
In both embodiments, the apparatus comprises a pressure-tank 1, pre-ferably made of high-grade steel and fitted with a safety-valve, not shown in the drawing. Located in pressure-tank 1 is an evaporator coil 2 forming part of a cooling unit in which a liquid coolant is evaporated to provide in-tensive cooling of the pressure-tank. In the vicinity of coil 2, this refrig-eration produces a layer of ice 3, as shown in Figures 1 and 2. In order to reduce the amount of heat picked up from the outside~ the outside of the pressure-tank has a layer of insulation 4.
The liquid to be enriched with gas, preferably C02 gas, arrives through a line 5 and passes into the pressure-tank through an inlet-pipe 6 preferably provided with an injection-nozzle to distribute the liquid. This nozzle promotes gas-enrichment by enlarging the surface of the ]iquid. The liquid level in the tank is controlled by a float-switch 7 which keeps the -4a-~6~
level within predeteTmined limits. In the two figures, the maximum liquid-level is indicated with a full line and the minimum level with a broken line.
The tank thus has a liquid space 8 and a-head-space 9, the latter being filled with gas.
The gas arrives through a line lO, connected to a gas-bottle through a pressure reducer, and passes through a gas-pipe ll and a diffuser 12 into liquid space 8. The diffuser divides the gas into very fine bubbles, thus improving the distribution thereof in the liquid and increasing the surface of the liquid available to pick up the gas.
The gas~enriched liquid is removed through an immersion pipe 13 which e~tends almost to the bottom of the tank and passes the liquid to an outlet line 14 fitted with valves or cocks, not shown in the drawings, from which the liquid may be tapped at will.
The layer 3 of ice serves to keep the liquid cold, the thickness of the layer being checked by a sensor 15 which switches the cooling unit on and off as required.
In the embodiment according to Figure l, suction-connection 16a of a gas-circulating pump 16 is connected to head space 9 of pressure-tank 1 which forms above the level of the liquid and is filled with gas, prcssure-connection 16b of the pump being connected to gas-line 10 leading to gas-pipe 11. Pump 16 is preferably in the form of a diaphragm-pump driven by an oscillating mag-net. A pump of this kind contains no rotating parts, needs no maintenance, and is e~tremely inexpensive. Gas-circulating pump 16 is accommodated in a housing 17 communicating with head space 9 in pressure-tank 1. Thus the pressure-differential between suction-connection 16a and pressure-connection 16b cor-responds only to the capacity of the pump, regardless of the opGrating pressure in the unit. This avoids the use of pressure-increasing pumps which are not only costly but are also unreliable.
Constant removal of gas from the gas-cushion in head space 9 of the pressure-tank by gas-circulating pump 16, and feeding this gas into liquid space 8, produces constant mixing of gas and carbonated liquid in a closed cir-cuit superimposed over the intermittent supply of the two media. This is a simple way of increasing the degree of enrichment up to the equilibrium-pres-sure. Thus, for example, water from the city mains can take into solution the maximum amount of CO2 gas, depending upon the carbonating pressure and the tem-perature. In a practical example, the carbonating pressure is 1.8 bars. At a temperature of 0C, this gives a C02 volume of 4.65 or 9.3 g/L.
In the embodiment illustrated in Figure 2, suction-connection 18a of a liquid-circulating pump 18 projects into liquid space 8 in the pressure tank, pressure-connection 18b of the pump communicating with head-space 9 via th0 inlet-pipe 6 provided with an injection-nozzle. Liquid-circulating pump 18 constantly removes some of the carbonated liquid from pressure-tank 1 and re-turns it to the gas-cushion formed above the liquid, thus su~jecting the liquid to constant mixing with the gas. This design thus also comprises a closed cir-cuit carrying one of the media, namely the carbonated liquid, which is super-imposed over the inte~mittent supply of gas and liquid and leads to a pronounced increase in the degree of enrichment of the liquid with gas.
Claims (7)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A method for enriching a liquid with a gas in which the liquid is cooled and intensive contact between the gas and the liquid is effected by introducing the gas into a liquid space of a pressure tank via a gas line and introducing the liquid into a gas head space within the pressure tank via a liquid line, characterised by continuously recirculating directly to the gas line gas which has collected in the head space, or continuously recirculating directly to the liquid line gas enriched liquid from the liquid space, while the gas and the liquid are simultaneously fed in.
2. Apparatus for enriching a liquid medium with a gas medium, the apparatus comprising a pressure tank having a liquid space accommodating the liquid enriched with gas and a head space above the liquid space, the said pressure tank being provided with a cooling unit and insulation and comprising a supply-pipe for the liquid terminating in the head space, a gas-pipe opening into the liquid space, and an immersion-pipe extending almost to the bottom of the said tank for removal of the liquid enriched with gas, characterized by means establishing a closed circuit comprising the head space and the liquid space and means for continuously mixing gas collecting in the head space with the enriched liquid in the liquid space.
3. Apparatus according to claim 2 in which the closed circuit and mixing means comprise a pipe leading from the head space to a suction side of a gas circulating pump and a pipe leading from a pressure side of the pump to the gas pipe.
4. Apparatus according to claim 3 in which the pump is arranged within the head space of the tank.
5. Apparatus according to claim 3 in which the pump is mounted in a housing connected to the head space of the tank.
6. Apparatus according to claim 2 in which the closed circuit and mixing means comprise a pipe leading from the liquid space to a suction side of a liquid circulating pump and a pipe leading from a pressure side of the pump to the liquid supply pipe.
7. Apparatus according to claim 2, 3, or 6 in which the gas pipe has a diffuser fitted to its lower end.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792940407 DE2940407A1 (en) | 1979-10-05 | 1979-10-05 | METHOD AND DEVICE FOR ENRICHING LIQUIDS WITH GASES |
| DEP2940407.7 | 1979-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1162476A true CA1162476A (en) | 1984-02-21 |
Family
ID=6082790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000361536A Expired CA1162476A (en) | 1979-10-05 | 1980-10-03 | Method and apparatus for enriching liquids with gases |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5658527A (en) |
| AT (1) | AT370287B (en) |
| CA (1) | CA1162476A (en) |
| DE (1) | DE2940407A1 (en) |
| ES (1) | ES8105933A1 (en) |
| FR (1) | FR2466272A1 (en) |
| GB (1) | GB2059791B (en) |
| IT (1) | IT1132913B (en) |
| NL (1) | NL8005495A (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2117657A (en) * | 1982-03-16 | 1983-10-19 | Jack Anthony Ewen | Equipment for carbonating water |
| JPS5913786A (en) * | 1982-06-30 | 1984-01-24 | グラクソ・グル−プ・リミテツド | Cephalosporin antibiotic |
| US4548828A (en) * | 1982-09-13 | 1985-10-22 | Meyers Louis B | Method for making carbonated beverages |
| USRE32142E (en) * | 1982-09-13 | 1986-05-13 | Method and apparatus for making carbonated beverages | |
| US4629591A (en) * | 1984-08-08 | 1986-12-16 | A. R. Wilfley & Sons, Inc. | Gas diffuser and accompanying piping system |
| DE3504583A1 (en) * | 1984-11-07 | 1986-05-07 | Kurt M. Dipl.-Ing. 8000 München Selk | DEVICE FOR ADDING ADDITIVES |
| US4659575A (en) * | 1985-09-23 | 1987-04-21 | Twistee Treat Corporation | Method and apparatus for entraining gas in ice cream mix |
| SE464761B (en) * | 1989-05-31 | 1991-06-10 | Post Mix Equipment Ab | PROCEDURE AND DEVICE FOR CARBON ACID RESOLUTION AND COOLING OF A CHEER |
| GB2246523B (en) * | 1990-08-02 | 1994-07-13 | Imi Cornelius | Carbonation apparatus |
| DE4228773A1 (en) * | 1992-08-28 | 1994-03-03 | Bosch Siemens Hausgeraete | Device for enriching water with CO¶2¶ gas to produce carbonated water |
| US5474717A (en) * | 1992-08-28 | 1995-12-12 | The Coca-Cola Company | Apparatus including means for controlling the formation of an ice bank in a carbonator tank |
| SE9203488L (en) * | 1992-11-20 | 1994-05-21 | Bakelit Konstr Ab | Methods and apparatus for carbonation and cooling of a liquid |
| US5736072A (en) * | 1995-10-17 | 1998-04-07 | Sanden Corporation | Device for producing carbonated water |
| AUPO580897A0 (en) * | 1997-03-25 | 1997-04-17 | Collings, Stephen R. | Foamed light building products |
| DE20215685U1 (en) * | 2002-10-11 | 2004-04-01 | Spengler Gmbh & Co. Kg | carbonator |
| DE102005045157A1 (en) * | 2005-09-21 | 2007-03-29 | Friedhelm Selbach Gmbh | Process for the carbonation of water in a beverage dispenser and arrangement for mixing CO2 with water |
| IT1394859B1 (en) * | 2009-07-22 | 2012-07-20 | Fluid O Tech Srl | SATURATION DEVICE FOR DRINKING WATER WITH CARBON DIOXIDE VIA RECIRCULATION |
| US20140079856A1 (en) | 2012-06-29 | 2014-03-20 | Darren Hatherell | Beverage Carbonating System and Method for Carbonating a Beverage |
| US11041420B2 (en) | 2016-09-21 | 2021-06-22 | M-Trigen, Inc. | Carbon capture system, apparatus, and method |
| US11529594B2 (en) | 2018-11-15 | 2022-12-20 | Bonne O Inc. | Beverage carbonation system and beverage carbonator |
| CN109700315B (en) * | 2019-01-22 | 2023-11-10 | 康富（天津）有限公司 | Beverage machine and method for preparing a gas-mixed beverage using the same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2560526A (en) * | 1946-03-02 | 1951-07-10 | Bastian Blessing Co | Gas dissolving apparatus |
| GB728083A (en) * | 1952-10-13 | 1955-04-13 | Liquid Carbonic Company Ltd | Improvements relating to cooling and carbonating water or other liquid |
| FR1262564A (en) * | 1956-04-16 | 1961-06-05 | Process for the production of artificial mineral water | |
| NL157878B (en) * | 1968-04-29 | 1978-09-15 | Stork Jansen & Sutorius Nv | INSTALLATION FOR IMPREGNATION OF A LIQUID WITH A GAS. |
| CA921396A (en) * | 1969-08-28 | 1973-02-20 | S. Colomina Theodore | Beverage carbonator |
| DE2021237A1 (en) * | 1970-04-30 | 1971-11-11 | Cornelius App Gmbh | Saturating liquid with gas at low pressure |
| DE2540845C2 (en) * | 1975-09-13 | 1982-05-13 | Messer Griesheim Gmbh, 6000 Frankfurt | Device for gassing liquids |
-
1979
- 1979-10-05 DE DE19792940407 patent/DE2940407A1/en not_active Ceased
-
1980
- 1980-09-22 AT AT0473380A patent/AT370287B/en not_active IP Right Cessation
- 1980-10-03 NL NL8005495A patent/NL8005495A/en not_active Application Discontinuation
- 1980-10-03 IT IT25113/80A patent/IT1132913B/en active
- 1980-10-03 ES ES495638A patent/ES8105933A1/en not_active Expired
- 1980-10-03 JP JP13782780A patent/JPS5658527A/en active Pending
- 1980-10-03 CA CA000361536A patent/CA1162476A/en not_active Expired
- 1980-10-03 GB GB8032026A patent/GB2059791B/en not_active Expired
- 1980-10-03 FR FR8021266A patent/FR2466272A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5658527A (en) | 1981-05-21 |
| ES495638A0 (en) | 1981-07-01 |
| FR2466272A1 (en) | 1981-04-10 |
| ES8105933A1 (en) | 1981-07-01 |
| ATA473380A (en) | 1982-08-15 |
| GB2059791A (en) | 1981-04-29 |
| NL8005495A (en) | 1981-04-07 |
| GB2059791B (en) | 1983-08-17 |
| IT1132913B (en) | 1986-07-09 |
| AT370287B (en) | 1983-03-10 |
| DE2940407A1 (en) | 1981-04-09 |
| IT8025113A0 (en) | 1980-10-03 |
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Legal Events
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| MKEX | Expiry |