US3816427A - Apparatus for continuously dissolving pulverulent material in a liquid - Google Patents

Apparatus for continuously dissolving pulverulent material in a liquid Download PDF

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Publication number
US3816427A
US3816427A US00341293A US34129373A US3816427A US 3816427 A US3816427 A US 3816427A US 00341293 A US00341293 A US 00341293A US 34129373 A US34129373 A US 34129373A US 3816427 A US3816427 A US 3816427A
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Prior art keywords
chamber
liquid
pulverulent
solution
nozzle
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Expired - Lifetime
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US00341293A
Inventor
R Schmied
W Loeliger
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W Loeliger
R Schmied
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Priority to CH424372A priority Critical patent/CH549405A/en
Application filed by W Loeliger, R Schmied filed Critical W Loeliger
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F15/00Accessories for mixers ; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F15/02Feed or discharge mechanisms
    • B01F15/0201Feed mechanisms
    • B01F15/0227Feed mechanisms characterized by the means for feeding the components to the mixer
    • B01F15/0254Feed mechanisms characterized by the means for feeding the components to the mixer using sprayers, nozzles, jets
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
    • A23C9/00Milk preparations; Milk powder or milk powder preparations
    • A23C9/15Reconstituted or recombined milk products containing neither non-milk fat nor non-milk proteins
    • A23C9/1508Dissolving or reconstituting milk powder; Reconstitution of milk concentrate with water; Standardisation of fat content of milk
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A23B - A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/55Rehydration or dissolving of foodstuffs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F1/00Dissolving
    • B01F1/0022Dissolving using flow mixing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F13/00Other mixers; Mixing plant, including combinations of mixers, e.g. of dissimilar mixers
    • B01F13/10Mixing plant, including combinations of mixers, e.g. of dissimilar mixers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F5/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F5/24Falling-particle mixers, e.g. with repeated action
    • B01F5/248Falling-particle mixers, e.g. with repeated action the particles falling on a film flowing along the inner wall of a mixer

Abstract

METHOD AND APPARATUS FOR CONTINUOUSLY DISSOLVING A PULVERULENT MATERIAL IN A LIQUID. THE PULVERULENT MATERIAL IS SPRAYED WITH THE FINELY DIVIDED LIQUID AND THE SOLUTION IS CAUSED TO FLOW IN A THIN LAYER ALONG THE INNER SURFACE OF A CHAMBER.

Description

June 11,1974 w. Laum ETAL 3,816,427
APPARATUS FOR CONTINUOUSLY DISSOLVING PULVERULENT MATERIAL IN A LIQUID Filed March 14, 1973 3,816,427 APPARATUS FOR CONTINUOUSLY DISSOLVING PULVERULEN T MATERIAL IN A LIQUID Willi Liiliger, Grunegg, and Rudolf Schmied, Tonisbach, both of Konolfingen, Switzerland Claims priority, application Switzerland, Mar. 22, 1972, 4,243/72 Filed Mar. 14, 1973, Ser. No. 341,293 Int. Cl. B01d 11/02 US. Cl. 23-271 7 Claims ABSTRACT OF THE DISCLOSURE Method and apparatus for continuously dissolving a pulverulent material in a liquid. The pulverulent material is sprayed with the finely divided liquid and the solution is caused to flow in a thin layer along the inner surface of a chamber.
The invention relates to an improved method and apparatus for continuously dissolving a pulverulent material in a liquid.
According to the invention, the method consists in spraying the pulverulent material with the finely divided liquid and. causing the solution to flow in a thin layer along the inner surface of a chamber.
The apparatus according to the invention comprises a chamber having an upper opening and outletting in its lower part into a pipe, a supply channel running along the edge of said upper opening, said upper opening being provided with a pulverulent material feeding duct and a liquid spraying nozzle substantially coaxial with said duct. In a preferred embodiment, the apparatus comprises also a mixing nozzle outletting into the lower part of the chamber.
In the drawing:
The figure is a partial vertical section and diagrammatic view of an apparatus according to the invention.
The apparatus comprises mainly a chamber 1 having an upper opening 2 and outletting in its lower part into a pipe 3. An open supply channel 4 runs along the edge of the upper opening 2. In a preferred embodiment, this edge is notched and the channel 4 is fed tangentially by the pipe 5. Baffles 6 insure a regular distribution of the flow on the periphery of the chamber opening. In the center of the opening 2 are placed in a pulverulent material feeding duct 7 and a liquid spraying nozzle 8 coaxial with the duct 7. As shown, the nozzle 8 extends below the plane of the feeding duct 7.
The outlet pipe 3 is connected to a pump 9 which feeds the discharge pipe 10. In a preferred embodiment, a mixing nozzle 11 outlets into the lower part of the chamber 1, below the level of the solution collected at the bottom of the chamber.
In the embodiment illustrated by the drawing, two pipes, each provided with a tap, branch out of the pipe 10, one connected to the mixing nozzle 11, the other to the supply channel 4. In other embodiments, the nozzle 11 and/or the channel 4 are supplied directly with the dissolving liquid, in parallel with the nozzle 8.
In the embodiment illustrated, a tank 12 and a pump 13 are connected to the outlet pipe 3. In a preferred embodiment, the discharge pipe 10 is connected to a holding tank.
In operation, the pulverulent material to be dissolved flows out of the central duct 7 into the upper opening 2. The liquid supplied at a pressure of 3 to 10 kg./cm. squirts out of the nozzle 8 towards the inner surface of the chamber 1. The spray has a conical shape, with an angle at the top of 60 to 120, and intersects the flow of pulverulent material so as to carry the material onto the inner surface of the chamber 1. The liquid runs down in a thin layer United States Patent along the inner surface of the chamber 1, entraining and dissolving the material. The solution is collected at the lower part of the chamber, its level not exceeding about /3 of the total height of the chamber, and comes out by the outlet pipe 3. The solution is pumped out of the chamber into the discharge pipe 10. Part of this flow is diverted to the mixing nozzle 11 and returns under the level of the solution collected at the lower part of the chamber 1, making the solution turbulent. Another part of the solution is directed to the supply channel 4 where it overflows the notched edge of the upper opening and runs in a thin layer along the inner surface of the chamber 1.
The proportion of the solution returning to the chamber 1 through the nozzle 11 and/or the channel 4 depends from the material, the concentration, the flow rate and the efficiency desired. For example, if the input and output are relatively small, it may be necessary to recirculate a large proportion of the solution in order to have a homo geneous liquid film along the inner surface of the chamber 1. On the contrary, if the concentration of material is low and/or the flow rate important, it is not necessary to divert a part of the solution from the pipe 10. In general, the proportion of the flow which is diverted and recirculated represents 50 to 500% of the inand output of the apparatus. The solids concentration can be as high as The temperature of the components depends on their nature. In most cases, the liquid will be heated and the pulverulent material be at ambient temperature.
The solution running in a thin layer, it degasses the powder and reduces the tendency to foam.
With the tank 12 and the pump 13, liquids such as liquid fat can be introduced into the solution.
The apparatus described is particularly suitable for recombining milk from milk powder. Its use is, however, not limited to food products and it can be used also to dissolve chemical products or to mix fine pulverulent material with liquids for example.
EXAMPLE 1 To obtain an output of 5000 kg. per hour of evaporated milk with 25.9% dry matter content, 927.5 kg./h. of skimmed milk powder having 97% dry matter content at 20 C. in introduced b the central duct 7. The total input of water at 70 C. is 3677.5 kg./h., of which 1250 kg./h. are sprayed by the nozzle 8 and 2427.5 kg./h. flow from the channel 4. 395 kg./h. of milk fat at 40 C. are introduced into the pipe 3 by the pump 13. Of the flow coming out of the chamber 1, 2500 kg./h. are recirculated by the channel 4 and 2500 kg./h. by the mixing nozzle 11.
EXAMPLE 2 To obtain an output of 5000 kg./h. of sweetened condensed milk with 72.68% dry matter content, 1135.0 kg./ h. skimmed milk powder and 2178.5 kg./h. sugar are introduced together by the central duct 7. 1332.0 kg./h. water are sprayed by the nozzle 8 and 354.5 kg./h. milk fat are injected into the pipe 3 by the pump 13. 2000 kg./h. return into the chamber 1 by the channel 4 and the same hourly quantity by the mixing nozzle 11.
We claim:
1. Apparatus for continuously dissolving a pulverulent material in a liquid comprising a cylindrical chamber for a liquid level less than /3 the height of said chamber, said chamber having an upper opening including an upper edge notched about its circumference and outletting in its lower part into an outlet pipe, a supply channel running circumferentially around the edge of said upper opening, said upper opening being provided with a coaxial pulverulent material feeding duct, a liquid spraying nozzle substantially coaxial with said duct and extending below the plane of the lower end of said duct for supplying a spray having a conical shape with an angle at the top of 60 to 120, a mixing nozzle outletting into the lower part of the chamber, baffies in said suppl channel to insure a regular distribution of the fiow on the periphery of the chamber opening and conduit means connecting said supply chamber and said mixing nozzle with a source of liquid.
2. Apparatus according to claim 1 in which the supply channel is fed tangentially.
3. Apparatus according to claim 1 in which a discharge pipe of the chamber branches out to a mixing nozzle placed below the level of the liquid in the chamber.
4. Apparatus according to claim 1 in which a discharge pipe of the chamber branches out to the supply channel.
5. An apparatus for continuously dissolving a pulverulent material in a liquid comprising a cylindrical chamber for containing a level of solution, said chamber having an upper opening notched about its circumference;
a supply channel extending around the circumference of said upper opening to supply liquid to said notches to thereby provide a thin layer of descending liquid onto the inner surface of said chamber;
an outlet pipe connected to a lower part of said chamber for the discharge of solution;
a feeding duct coaxial within said upper opening of said chamber for feeding pulverulent material into said chamber;
a liquid spraying nozzle coaxial of said duct and extending below the plane of the lower end of said duct for spraying a spray of liquid into a flow of pulverulent material and into the thin layer of liquid on said inner surface of said chamber;
a mixing nozzle within the lower part of said chamber, and conduit means connecting said supply channel and said mixing nozzle with a source of liquid.
6. An apparatus as set forth in claim 5 wherein said nozzle forms a spray having a conical shape with an angle at the top of to 7. An apparatus as set forth in claim 5 which further comprises a discharge pipe connected to said outlet pipe to receive solution therefrom, a pipe connecting said discharge pipe to said supply channel to recirculate solution thereto and a mixing nozzle within said chamber connected to said discharge pipe to recirculate solution.
References Cited UNITED STATES PATENTS 3,606,093 9/ 1971 Morse 23271 3,343,919 9/1967 Miller 23-271 3,366,458 1/1968 Jori 23312 A 2,997,373 8/1961 Stephens 23272.6 R 3,595,296 7/1971 Berg 15913 A 2,055,836 9/1936 Cowles 23-271 3,273,629 9/1966 Sargeant 159--13 A 2,593,503 4/1952 Tomlinson 15913 A FOREIGN PATENTS 642,417 10/1927 France 23-27l 1,209,119 10/1970 Great Britain 159-13 A 923,889 5/1959 Great Britain 159-13 A NORMAN YUDKOFF, Primary Examiner S. J. EMERY, Assistant Examiner US. Cl. X.R.
UNITED STATES PATENT OFFICE CERTIFIEATE OF CORRECTION Inventor(s) Willi Loligor ct It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:
This application is assigned to --Societe D'Assistance Technique Pour Produits Nestle of Lausanne, Switzerland.---
Column 2, line 15, "from" should be ---on--.
Signed and sealed this 12th day of November 1974.
(SEAL) Attest:
McCOY M. GIBSON JR. C. MARSHALL DANN Attesting Officer Commissioner of Patents FORM USCOMM-DC 60376-P69 1L5. GQVERNHENT FRINTHIG OFFICE C 1,. 0-38-33.
US00341293A 1972-03-22 1973-03-14 Apparatus for continuously dissolving pulverulent material in a liquid Expired - Lifetime US3816427A (en)

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Application Number Priority Date Filing Date Title
CH424372A CH549405A (en) 1972-03-22 1972-03-22 Method and apparatus for continuously dissolving a pulverulent material in a liquid.

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AR (1) AR198972A1 (en)
BR (1) BR7302012D0 (en)
CH (1) CH549405A (en)
DE (1) DE2313626C3 (en)
ES (1) ES412871A1 (en)
FR (1) FR2176744B1 (en)
GB (1) GB1407359A (en)
MY (1) MY7600275A (en)
NL (1) NL171863C (en)
PH (1) PH11150A (en)
ZA (1) ZA7301710B (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4687121A (en) * 1986-01-09 1987-08-18 Ecolab Inc. Solid block chemical dispenser for cleaning systems
US4690305A (en) * 1985-11-06 1987-09-01 Ecolab Inc. Solid block chemical dispenser for cleaning systems
USRE32763E (en) * 1978-02-07 1988-10-11 Ecolab Inc. Cast detergent-containing article and method of making and using
USRE32818E (en) * 1978-02-07 1989-01-03 Ecolab Inc. Cast detergent-containing article and method of using
US4845965A (en) * 1986-12-23 1989-07-11 Ecolab Inc. Method and apparatus for dispensing solutions
US5137694A (en) * 1985-05-08 1992-08-11 Ecolab Inc. Industrial solid detergent dispenser and cleaning system
US5209864A (en) * 1991-07-03 1993-05-11 Winbro Group, Ltd. Cake-like detergent and method of manufacture
US5435157A (en) * 1994-01-27 1995-07-25 Sunburst Chemicals, Inc. Laundry chemical dispenser
EP0799573A1 (en) * 1996-04-01 1997-10-08 Societe Des Produits Nestle S.A. Process and apparatus for dissolving powder in a liquid
WO1998047609A1 (en) * 1997-04-23 1998-10-29 Ytron Dr. Karg Gmbh Device for disintegrating powdery materials
US6465032B1 (en) 2000-04-17 2002-10-15 Mars, Incorporated Method of forming a reconstituted composition containing protein and carbohydrate at elevated total solids content
NL1024926C2 (en) * 2003-12-02 2005-06-06 Townsend Engineering B V Device and method for processing foodstuffs with liquid.
WO2014095061A3 (en) * 2012-12-19 2014-11-13 Khs Gmbh Method and arrangement for producing a mixed product from at least one liquid main component and at least one additional component
US8992070B2 (en) * 2009-04-20 2015-03-31 Mega Fluid Systems, Inc. Method and apparatus for blending process materials
CN108786509A (en) * 2018-06-06 2018-11-13 哈尔滨万鑫石墨谷科技有限公司 A kind of solid-liquid mixing device and method
CN109304109A (en) * 2018-06-06 2019-02-05 哈尔滨万鑫石墨谷科技有限公司 A kind of solid-liquid mixing device and method

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DE4415958A1 (en) * 1994-05-06 1995-11-09 Koeth Elektronik Gmbh Jet mixing tanks for accurate prepn. of solutions , for photographic use, etc.
US7810986B2 (en) * 2005-11-21 2010-10-12 Process Control Corporation Systems and methods for liquid dosing of material in a blender system
RU2446273C2 (en) * 2010-06-03 2012-03-27 Общество с ограниченной ответственностью Научно-техническая фирма "Атомбиотех" Preparation method of polymer compound for gas well servicing, and device for its implementation
DE102014102526B4 (en) * 2014-02-26 2017-12-07 Netzsch-Feinmahltechnik Gmbh APPARATUS FOR THE PREPARATION AND / OR PREPARATION OF CONFECTIONERY MASSES AND METHOD FOR THE PRODUCTION AND / OR PREPARATION OF CONFECTIONERY MASSES

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL55853C (en) * 1937-09-22 1944-02-15 Scholten Chemische Fab Device for dissolving solids (preferably colloidal dissolving substances) by dropping them onto a liquid film
US2978299A (en) * 1958-07-08 1961-04-04 American Can Viscose Corp Dissolving and mixing apparatus
US2997373A (en) * 1959-01-19 1961-08-22 Barnard & Leas Mfg Company Inc Dissolving apparatus
GB1080777A (en) * 1964-10-30 1967-08-23 Ici Ltd Method and apparatus for dissolving molten materials

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32763E (en) * 1978-02-07 1988-10-11 Ecolab Inc. Cast detergent-containing article and method of making and using
USRE32818E (en) * 1978-02-07 1989-01-03 Ecolab Inc. Cast detergent-containing article and method of using
US5137694A (en) * 1985-05-08 1992-08-11 Ecolab Inc. Industrial solid detergent dispenser and cleaning system
US4690305A (en) * 1985-11-06 1987-09-01 Ecolab Inc. Solid block chemical dispenser for cleaning systems
US4687121A (en) * 1986-01-09 1987-08-18 Ecolab Inc. Solid block chemical dispenser for cleaning systems
US4845965A (en) * 1986-12-23 1989-07-11 Ecolab Inc. Method and apparatus for dispensing solutions
US5209864A (en) * 1991-07-03 1993-05-11 Winbro Group, Ltd. Cake-like detergent and method of manufacture
US5435157A (en) * 1994-01-27 1995-07-25 Sunburst Chemicals, Inc. Laundry chemical dispenser
EP0799573A1 (en) * 1996-04-01 1997-10-08 Societe Des Produits Nestle S.A. Process and apparatus for dissolving powder in a liquid
WO1998047609A1 (en) * 1997-04-23 1998-10-29 Ytron Dr. Karg Gmbh Device for disintegrating powdery materials
US6465032B1 (en) 2000-04-17 2002-10-15 Mars, Incorporated Method of forming a reconstituted composition containing protein and carbohydrate at elevated total solids content
NL1024926C2 (en) * 2003-12-02 2005-06-06 Townsend Engineering B V Device and method for processing foodstuffs with liquid.
WO2005053413A1 (en) * 2003-12-02 2005-06-16 Stork Townsend B.V. Apparatus and method for processing foodstuffs with liquid
US20070170208A1 (en) * 2003-12-02 2007-07-26 Stork Townsend B.V. Apparatus and method for processing foodstuffs with liquid
US8992070B2 (en) * 2009-04-20 2015-03-31 Mega Fluid Systems, Inc. Method and apparatus for blending process materials
WO2014095061A3 (en) * 2012-12-19 2014-11-13 Khs Gmbh Method and arrangement for producing a mixed product from at least one liquid main component and at least one additional component
DE102012024806B4 (en) 2012-12-19 2019-06-06 Khs Gmbh Plant and method for producing a mixed product of at least one main liquid component and at least one additional component
CN108786509A (en) * 2018-06-06 2018-11-13 哈尔滨万鑫石墨谷科技有限公司 A kind of solid-liquid mixing device and method
CN109304109A (en) * 2018-06-06 2019-02-05 哈尔滨万鑫石墨谷科技有限公司 A kind of solid-liquid mixing device and method

Also Published As

Publication number Publication date
NL171863C (en) 1983-06-01
AR198972A1 (en) 1974-07-31
CH549405A (en) 1974-05-31
BR7302012D0 (en) 1974-07-25
FR2176744A1 (en) 1973-11-02
DE2313626B2 (en) 1980-05-08
DE2313626A1 (en) 1973-09-27
FR2176744B1 (en) 1976-09-10
PH11150A (en) 1977-10-27
ZA7301710B (en) 1974-01-30
ES412871A1 (en) 1975-12-16
MY7600275A (en) 1976-12-31
DE2313626C3 (en) 1981-02-26
GB1407359A (en) 1975-09-24
NL171863B (en) 1983-01-03
NL7303642A (en) 1973-09-25

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