CN105360295A - Inflatable fermentation type milk-containing beverage preparation method and inflatable fermentation type milk-containing beverage preparation apparatus - Google Patents
Inflatable fermentation type milk-containing beverage preparation method and inflatable fermentation type milk-containing beverage preparation apparatus Download PDFInfo
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Abstract
The present invention provides an inflatable fermentation type milk-containing beverage preparation method, which comprises: carrying out mixing dissolving on raw materials to obtain a mixing material liquid, wherein per 100 parts by weight of the mixing material liquid contains 1-3 parts by weight of pectin and 1-3 parts by weight of sodium carboxymethyl cellulose; inflating the mixing material liquid by using a venturi pipe, wherein the material liquid output pressure during the inflating is 1.5-2.5 bar, and the gas output pressure is 1.7-2.7 bar; and carrying out turbulent flow mixing on the inflated material liquid, wherein the inflated material liquid passes through pipelines with an inner diameter of 34-51 mm at a flow rate of 0.4-0.9 m/s, the liquid turns 20-40 times in the pipelines, the turning angle is 80-100 DEG, the pipeline between the adjacent turns is the straight pipe, and the distance between the adjacent turns is 40-60 cm. According to the present invention, with the matching of the raw materials and the preparation method, the product achieves the good gas content and the good gas stability.
Description
Technical field
The present invention relates to a kind of preparation method of fermented milk-containing drink, especially a kind of preparation method of fermented milk-containing drink of inflation and device.
Background technology
Along with the raising of people's living standard, common beverage products can not meet that some is followed the fashion, fresh, the taste that stimulates consumer, and people, on emphasis fermented milk-containing drink nutrition foundation, pursue the change that product taste, local flavor bring more.For this reason, we attempt by insufflation gas in existing fermented milk-containing drink, to reaching fresh excitement as soda with Brake mouthfeel.And adopt the inflation method of existing carbon dioxide mix machine, charger complicated operation, need independent carbon dioxide mix equipment, robot control system(RCS), the key point needing personnel to control in actual production is more, and equipment volume is larger, carbon dioxide mix machine (Jia Yuan Machinery Co., Ltd. of Zhangjagang City, the article No. QHS-6000) volume that such as a Daepori is logical is 5.55m
3.
Summary of the invention
The object of this invention is to provide a kind of preparation method of fermented milk-containing drink of inflation, its product prepared has preferably air content and gas stabilization, and more easy to operate.
Also object of the present invention is to provide a kind of inflation unit of process units of fermented milk-containing drink of inflation, and its product prepared has preferably air content and gas stabilization, and more easy to operate.
The invention provides a kind of preparation method of fermented milk-containing drink of inflation, comprising: by raw material mixed dissolution, obtain mixed liquor, containing 1 to 3 weight portion pectin and 1 to 3 weight portion sodium carboxymethylcellulose in the mixed liquor of wherein every 100 weight portions; Venturi tube is used to inflate in mixed liquor; During inflation, feed liquid output pressure is 1.5 to 2.5bar, and gas output pressure is 1.7 to 2.7bar, obtains inflating rear feed liquid; And feed liquid turbulent closure scheme after inflating, turbulent closure scheme step is: be the pipeline of 34 to 51 millimeter with the flow velocity of 0.4 to 0.9 meter per second by internal diameter by feed liquid after inflation, turn through 20 to 40 times in the duct, the angle of turning is 80 to 100 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 40 to 60 centimetres.
In a kind of exemplary embodiment of the preparation method of the fermented milk-containing drink of inflation, during inflation, the viscosity of mixed liquor is 15 to 20 centipoises, and temperature is 4 to 15 DEG C.
In a kind of exemplary embodiment of the preparation method of the fermented milk-containing drink of inflation, wherein after inflation, feed liquid, before carrying out turbulent closure scheme, also through static mixer mixing, can realize higher aeration quantity and better product stability so further.
In a kind of exemplary embodiment of the preparation method of the fermented milk-containing drink of inflation, the mixed dissolution step of raw material adopts the method for vacuum batching to complete.
In a kind of exemplary embodiment of the preparation method of the fermented milk-containing drink of inflation, wherein also comprise, before mixed liquor inflation, the degassed and sterilization by mixed liquor; Degassed temperature is 70 to 75 DEG C, and degassed pressure is-0.04MPa to-0.08MPa; The temperature of sterilization is 90 to 142 DEG C, and duration is 4 seconds to 5 minutes.
In a kind of exemplary embodiment of the preparation method of the fermented milk-containing drink of inflation, after being also included in turbulent closure scheme, carry out filling; Filling pressure is 1.0 to 2.0bar, and time filling, feed temperature is 4 to 15 DEG C.
In a kind of exemplary embodiment of the preparation method of the fermented milk-containing drink of inflation, the raw material of every 100 weight portions comprises acidified milk 28 to 36 weight portion.
In a kind of exemplary embodiment of the preparation method of the fermented milk-containing drink of inflation, the raw material of every 100 weight portions also comprises not higher than the PURE WHEY of 0.3 weight portion, 0.06 to 0.2 weight portion sweetener, 0.5 to 3 weight portion acidity regulator, 30 to 40 weight portion white granulated sugars, 10 to 15 weight portion fruit juice and/or 10 to 15 weight portion HFCSs.
Present invention also offers a kind of inflation unit of process units of fermented milk-containing drink of inflation, comprising: a Venturi tube, and a convoluted pipeline, the discharging opening of Venturi tube connects the charging aperture of convoluted pipeline; The internal diameter of convoluted pipeline is 34 to 51 millimeters, has 20 to 40 turnings between the charging aperture of convoluted pipeline and discharging opening, and the angle of turning is 80 to 100 degree, and the pipeline between adjacent turns is straight tube, and the duct length between adjacent turns is 40 to 60 centimetres.
In a kind of exemplary embodiment of the inflation unit of the process units of the fermented milk-containing drink of inflation, also comprise static mixer, the charging aperture of static mixer connects the discharging opening of Venturi tube, and static mixer discharging opening connects the charging aperture of convoluted pipeline.
The preparation method of the fermented milk-containing drink of a kind of inflation provided by the invention, by the cooperation of raw material and preparation method, makes product reach good air content and gas stabilization.Inflation of the present invention is completed online by Venturi tube, and without the need to closed pressure vessel, volume is little, simple to operate, and quality is more easy to control.
Accompanying drawing explanation
The following drawings only schematically illustrates the present invention and explains, not delimit the scope of the invention.
Fig. 1 is the structural representation of the convoluted pipeline that the embodiment of the present invention uses.
Fig. 2 is the structural representation of the Venturi tube that the embodiment of the present invention uses.
Identifier declaration:
10 convoluted pipelines
20 feed pipes
30 taper feed nozzles
31 spray material ports
40 hybrid chambers
50 air inlet pipe
51 air inlets
60 narrow
70 discharge nozzles
α angle
L craspedodrome duct length.
Detailed description of the invention
In order to the technical characteristic to invention, object and effect have understanding clearly, now with the following Examples the specific embodiment of the present invention is described.
In the embodiment of the present invention, realize the turbulent closure scheme to feed liquid after inflation by convoluted pipeline.Fig. 1 is the structural representation of the convoluted pipeline that the embodiment of the present invention uses.Wherein convoluted pipeline 10 is connected by a plurality of craspedodrome pipeline and forms, and the quantity of described craspedodrome pipeline is relevant to the number of turns of turbulent closure scheme, and even number of turns is n time, then corresponding described craspedodrome number of tubes is n+1.The angle α of the adjacent described craspedodrome pipeline enclosure of convoluted pipeline 10 corresponds to the angle of turn of turbulent closure scheme, and the length L of described craspedodrome pipeline corresponds to the distance between the adjacent turns of turbulent closure scheme.
Fig. 2 is the structural representation of the Venturi tube that the embodiment of the present invention uses.Venturi tube comprises feed pipe 20, taper feed nozzle 30, hybrid chamber 40, air inlet pipe 50, narrow 60 and discharge nozzle 70.Narrow 60 is circular tube structure.One end of taper feed nozzle 30 connects feed pipe 20, and feed liquid can enter taper feed nozzle 30 via feed pipe 20, and is sprayed onto in hybrid chamber 40 from the spray material port 31 of taper feed nozzle 30.The gas inputted by air inlet pipe 50 enters hybrid chamber by air inlet 51, and realization mixes with feed liquid.Hybrid chamber 40 connects narrow 60, and by this, the feed liquid in hybrid chamber 40 and after gas and vapor permeation can enter discharge nozzle 70 through narrow 60.When inflating by Venturi tube, feed liquid output pressure corresponds to the pressure that feed liquid sprays from the spray material port 31 of taper feed nozzle 30, and gas output pressure corresponds to the pressure that gas exports from air inlet 51.
The Venturi tube that the embodiment of the present invention uses, feed pipe 20 is 51mm with the internal diameter of the pipeline of discharge nozzle 70, the bore (diameter) of the spray material port 31 of taper feed nozzle 30 is 20mm, and the internal diameter of the pipeline of narrow 60 is 30mm, and the bore (diameter) of air inlet 51 is 15mm.The present invention also can use the Venturi tube of the realized inflation of other specifications.
The static mixer that the embodiment of the present invention uses is purchased from Guangzhou gold point Ingegneria Ambientale SRL, and be SK type static mixer, article No. is SK-3.5/40.The present invention can use existing all kinds static mixer (as SV type, SK type, SX type, SK type and SL type etc.), also can not use static mixer.
In embodiment of the present invention 1-8 and comparative example 2, Venturi tube, static mixer and convoluted pipeline form inflation unit jointly, wherein the charging aperture of static mixer connects the discharging opening of Venturi tube, and static mixer discharging opening connects the charging aperture of convoluted pipeline.Feed liquid enters inflation unit from the charging aperture of Venturi tube, and the discharging opening from convoluted pipeline after completing inflation exports.
In the embodiment of the present invention 9, Venturi tube and convoluted pipeline form inflation unit jointly, and the discharging opening of Venturi tube connects the charging aperture of convoluted pipeline.Feed liquid enters inflation unit from the charging aperture of Venturi tube, and the discharging opening from convoluted pipeline after completing inflation exports.
The volume of the convoluted pipeline that the embodiment of the present invention uses is 2.7m
3; The volume of Venturi tube is 0.5m
3; The volume of static mixer is 0.3m
3; Three is 3.5m altogether
3.In addition, convoluted pipeline structurally can adjust according to production space requirement, to reduce volume while meeting charge-air mass.
embodiment 1.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 36 weight portions;
Pectin: 1 weight portion;
Sodium carboxymethylcellulose: 3 weight portions;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin and sodium carboxymethylcellulose added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 70 DEG C, and degassed pressure is-0.08MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 90 DEG C, and duration is 5 minutes, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 15 centipoises, and feed temperature is 4 DEG C, and feed liquid output pressure is 1.5bar, and gas output pressure is 1.74bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 4 DEG C, and flow velocity is 1.82m/s, and duration is 3 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 34 millimeters by internal diameter with the flow velocity of 0.91 meter per second, and turn through 20 times in the duct, angle of turn is 80 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 40 centimetres; During turbulent closure scheme, the temperature of feed liquid is 4 DEG C;
G, filling, filling pressure is 1bar, and time filling, feed temperature is 4 DEG C, adopts Tetra Pak packaging.
embodiment 2.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 28 weight portions;
PURE WHEY: 0.28 weight portion
Pectin: 2 weight portions;
Sodium carboxymethylcellulose: 2 weight portions;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin and sodium carboxymethylcellulose added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 73 DEG C, and degassed pressure is-0.06MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 116 DEG C, and duration is 30 seconds, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 18 centipoises, and feed temperature is 9 DEG C, and feed liquid output pressure is 2bar, and gas output pressure is 2.28bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 9.5 DEG C, and flow velocity is 1.92m/s, and duration is 4 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 42 millimeters by internal diameter with the flow velocity of 0.54 meter per second, and turn through 30 times in the duct, angle of turn is 90 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 50 centimetres; During turbulent closure scheme, the temperature of feed liquid is 9.5 DEG C;
G, filling, filling pressure is 1.5bar, and time filling, feed temperature is 9.5 DEG C, adopts Tetra Pak packaging.
embodiment 3.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 32 weight portions;
PURE WHEY: 0.14 weight portion
Pectin: 3 weight portions;
Sodium carboxymethylcellulose: 1 weight portion;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin and sodium carboxymethylcellulose added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 75 DEG C, and degassed pressure is-0.04MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 142 DEG C, and duration is 4 seconds, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 20 centipoises, and feed temperature is 15 DEG C, and feed liquid output pressure is 2.5bar, and gas output pressure is 2.7bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 15 DEG C, and flow velocity is 1.85m/s, and duration is 5 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 51 millimeters by internal diameter with the flow velocity of 0.42 meter per second, and turn through 40 times in the duct, angle of turn is 100 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 60 centimetres; During turbulent closure scheme, the temperature of feed liquid is 25 DEG C;
G, filling, filling pressure is 2bar, and time filling, feed temperature is 15 DEG C, adopts Tetra Pak packaging.
embodiment 4.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 28.5 weight portions;
Pectin: 1.4 weight portions;
Sodium carboxymethylcellulose: 2.2 weight portions;
PURE WHEY: 0.3 weight portion;
White granulated sugar: 40 weight portions;
HFCS: 10 weight portions;
Sweetener: 0.06 weight portion;
Acidity regulator: 3 weight portions;
Fruit juice: 10 weight portions;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin, sodium carboxymethylcellulose, PURE WHEY, white granulated sugar, HFCS, sweetener, acidity regulator and fruit juice added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 72 DEG C, and degassed pressure is-0.08MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 116 DEG C, and duration is 30 seconds, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 16 centipoises, and feed temperature is 6 DEG C, and feed liquid output pressure is 1.5bar, and gas output pressure is 1.79bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 6 DEG C, and flow velocity is 1.95m/s, and duration is 3 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 51 millimeters by internal diameter with the flow velocity of 0.42 meter per second, and turn through 40 times in the duct, angle of turn is 90 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 50 centimetres; During turbulent closure scheme, the temperature of feed liquid is 6 DEG C;
G, filling, filling pressure is 1.5bar, and time filling, feed temperature is 7 DEG C, adopts Tetra Pak packaging.
embodiment 5.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 30.5 weight portions;
Pectin: 1.3 weight portions;
Sodium carboxymethylcellulose: 1.6 weight portions;
PURE WHEY: 0.2 weight portion;
White granulated sugar: 32 weight portions;
HFCS: 12 weight portions;
Sweetener: 0.13 weight portion;
Acidity regulator: 1.7 weight portions;
Fruit juice: 13 weight portions;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin, sodium carboxymethylcellulose, PURE WHEY, white granulated sugar, HFCS, sweetener, acidity regulator and fruit juice added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 72.5 DEG C, and degassed pressure is-0.04MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 142 DEG C, and duration is 4 seconds, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 15 centipoises, and feed temperature is 8 DEG C, and feed liquid output pressure is 2bar, and gas output pressure is 2.32bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 8 DEG C, and flow velocity is 2m/s, and duration is 3 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 51 millimeters by internal diameter with the flow velocity of 0.42 meter per second, and turn through 40 times in the duct, angle of turn is 90 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 50 centimetres; During turbulent closure scheme, the temperature of feed liquid is 8 DEG C;
G, filling, filling pressure is 1.6bar, and time filling, feed temperature is 8 DEG C, adopts Tetra Pak packaging.
embodiment 6.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 31.5 weight portions;
Pectin: 2.5 weight portions;
Sodium carboxymethylcellulose: 1.6 weight portions;
PURE WHEY: 0.15 weight portion;
White granulated sugar: 30 weight portions;
HFCS: 15 weight portions;
Sweetener: 0.2 weight portion;
Acidity regulator: 0.5 weight portion;
Fruit juice: 15 weight portions;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin, sodium carboxymethylcellulose, PURE WHEY, white granulated sugar, HFCS, sweetener, acidity regulator and fruit juice added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 73.7 DEG C, and degassed pressure is-0.06MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 116 DEG C, and duration is 30 seconds, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 16 centipoises, and feed temperature is 12 DEG C, and feed liquid output pressure is 2bar, and gas output pressure is 2.43bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 12 DEG C, and flow velocity is 1.83m/s, and duration is 5 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 51 millimeters by internal diameter with the flow velocity of 0.42 meter per second, and turn through 40 times in the duct, angle of turn is 90 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 50 centimetres; During turbulent closure scheme, the temperature of feed liquid is 12 DEG C;
G, filling, filling pressure is 1.5bar, and time filling, feed temperature is 10 DEG C, adopts Tetra Pak packaging.
embodiment 7.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 36 weight portions;
Pectin: 1.2 weight portions;
Sodium carboxymethylcellulose: 1.6 weight portions;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin and sodium carboxymethylcellulose added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 74 DEG C, and degassed pressure is-0.07MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 142 DEG C, and duration is 4 seconds, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 10 centipoises, and feed temperature is 8 DEG C, and feed liquid output pressure is 2bar, and gas output pressure is 2.36bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 8 DEG C, and flow velocity is 1.94m/s, and duration is 5 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 51 millimeters by internal diameter with the flow velocity of 0.42 meter per second, and turn through 40 times in the duct, angle of turn is 90 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 50 centimetres; During turbulent closure scheme, the temperature of feed liquid is 8 DEG C;
G, filling, filling pressure is 1.7bar, and time filling, feed temperature is 8 DEG C, adopts Tetra Pak packaging.
embodiment 8.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 36 weight portions;
Pectin: 1.5 weight portions;
Sodium carboxymethylcellulose: 2.8 weight portions;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin and sodium carboxymethylcellulose added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 74.2 DEG C, and degassed pressure is-0.07MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 142 DEG C, and duration is 4 seconds, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 25 centipoises, and feed temperature is 13 DEG C, and feed liquid output pressure is 1bar, and gas output pressure is 1.7bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 13 DEG C, and flow velocity is 1.95m/s, and duration is 5 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 51 millimeters by internal diameter with the flow velocity of 0.42 meter per second, and turn through 40 times in the duct, angle of turn is 90 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 50 centimetres; During turbulent closure scheme, the temperature of feed liquid is 13 DEG C;
G, filling, filling pressure is 1.7bar, and time filling, feed temperature is 12 DEG C, adopts Tetra Pak packaging.
embodiment 9.
1, raw material: identical with described in embodiment 1.
2, preparation method: omit step e on the basis of embodiment 1 preparation method, all the other steps are identical with embodiment 1.
The product that embodiment 1-9 obtains can be preserved 180 days under normal temperature condition.In storage life, there is not serious fat floating, protein precipitation in product.
comparative example 1.
1, raw material: identical with described in embodiment 1.
2, preparation method: omit step e and f on the basis of embodiment 1 preparation method, all the other steps are identical with embodiment 1.
comparative example 2.
1, raw material (100 weight portions, every weight portion represents 10kg):
Acidified milk: 36 weight portions;
Pectin: 3 weight portions;
Water: complement to 100 weight portions.
2, preparation method:
A, pectin added 60-80 DEG C water in mixed dissolution, then add acidified milk mixing, finally add the mixing of remaining water, obtain mixed liquor; Use vacuum to prepare burden in whole raw material mixed process, vacuum pressure is-0.02MPa;
B, mixed liquor is degassed, degassed temperature is 70 DEG C, and degassed pressure is-0.08MPa, obtains degassed rear feed liquid;
C, by degassed rear feed liquid sterilization, the temperature of sterilization is 90 DEG C, and duration is 5 minutes, obtains feed liquid after sterilization;
D, in feed liquid after sterilization, be filled with carbon dioxide by Venturi tube, obtain inflating rear feed liquid; When wherein inflating, the viscosity of feed liquid is 10 centipoises, and feed temperature is 4 DEG C, and feed liquid output pressure is 1.5bar, and gas output pressure is 1.74bar;
E, feed liquid after inflation mixed through static mixer, temperature of charge is 4 DEG C, and flow velocity is 1.82m/s, and duration is 3 seconds;
F, by feed liquid turbulent closure scheme, after being about to inflation, feed liquid is the convoluted pipeline of 34 millimeters by internal diameter with the flow velocity of 0.91 meter per second, and turn through 20 times in the duct, angle of turn is 80 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 40 centimetres; During turbulent closure scheme, the temperature of feed liquid is 4 DEG C;
G, filling, filling pressure is 1bar, and time filling, feed temperature is 4 DEG C, adopts Tetra Pak packaging.
comparative example 3.
1, raw material: identical with described in embodiment 1.
2, preparation method: replace as follows by the step f of embodiment 1 preparation method, all the other steps and parameter are with embodiment 1.
Step f: the craspedodrome pipeline by feed liquid with the flow velocity of 0.91 meter per second by internal diameter being 34 millimeters, total pipeline length is identical with the total length of convoluted pipeline in embodiment 1; During turbulent closure scheme, the temperature of feed liquid is 4 DEG C.
comparative example 4.
1, raw material: identical with described in embodiment 1.
2, preparation method: the steps d of embodiment 1 preparation method is replaced with in carbon dioxide mix machine (Jia Yuan Machinery Co., Ltd. of Zhangjagang City to step f, article No. QHS-6000, volume is 5.55m) in feed liquid after sterilization is mixed with aseptic carbon dioxide, mixing pressure 2.8bar, mixing temperature 7 DEG C, duration 25 minutes, obtains inflating rear feed liquid.All the other steps and parameter are with embodiment 1.
product checking.
1, gas content detection method: detect according to the assay method (distillation titration) of carbon dioxide in soda in GB " GB/T12143-2008 beverage universaling analysis method ".
2, the detection of air retention.
2.1, product air content a: product is filling complete after, detected the gas content of liquid in packing box immediately by above-mentioned gas detection method of content.
2.2, product air content b: product is filling complete after, product is positioned over the moist closet of 25-30 DEG C, within 7 days, is detected the gas content of liquid in packing box afterwards by above-mentioned gas detection method of content.
2.3, air retention is calculated: air retention=(product air content b/ product air content a) × 100%.Air retention is higher, illustrates that in product, gas stabilization is better.
3, product rises bag situation: product is filling complete after, product is positioned over the moist closet of 25-30 DEG C, observes product in 7 days and to rise bag situation.The bag that rises refers in the gas from liquid in product and overflows, and causes packing of product bulge.
4, testing result:
| product air content a(g/L) | product air content b(g/L) | air retention | product rises bag situation | |
| 1.3 | 1.26 | 96.9% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. | |
| embodiment 2 | 1.2 | 1.18 | 98.3% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| embodiment 3 | 1.2 | 1.16 | 96.7% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| embodiment 4 | 1.4 | 1.38 | 98.6% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| embodiment 5 | 1.3 | 1.27 | 97.7% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| embodiment 6 | 1.2 | 1.16 | 96.7% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| embodiment 7 | 1.5 | 1.46 | 97.3% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| embodiment 8 | 1.2 | 1.12 | 93.3% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| embodiment 9 | 1.0 | 0.9 | 90% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| comparative example 1 | 0.3 | 0.28 | 93.3% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| comparative example 2 | 0.7 | 0.68 | 97.1% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| comparative example 3 | 0.5 | 0.48 | 96% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
| comparative example 4 | 1.4 | 1.36 | 97.1% | deposit for 25-30 DEG C and do not find the bag that rises in 7 days. |
Although comparative example 1 to 3 employs identical inflation method with embodiment 1, because gas dissolution amount reduces, portion gas overflowed before the filling step of product, caused air content in product lower.Comparative example 4 have employed carbon dioxide mix machine inflation method, and according to upper table result, the method for embodiment of the present invention 1-9 and comparative example 4 achieve suitable product air content.
The present invention's inflation is completed online by Venturi tube, and without the need to carbon dioxide mix machine, volume is little, simple to operate, and quality is more easy to control.
In this article, " schematically " expression " serves as example, example or explanation ", any embodiment being described to " schematically " in this article should be interpreted as a kind of preferred or have more the technical scheme of advantage.
In this article, the restriction in the mathematics of " equal ", " identical " etc. non-critical and/or geometry meaning, also comprise it will be appreciated by those skilled in the art that and produce or error that use etc. allows.Except as otherwise noted, number range herein not only comprises the gamut in two end points, also comprises the some subranges be contained in wherein.
Be to be understood that, although this description describes according to each embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
A series of detailed description listed is above only illustrating for possible embodiments of the present invention; they are also not used to limit the scope of the invention; allly do not depart from the skill of the present invention equivalent embodiments done of spirit or change; as the combination of feature, segmentation or repetition, all should be included within protection scope of the present invention.
Claims (10)
1. a preparation method for the fermented milk-containing drink of inflation, is characterized in that, comprising:
By raw material mixed dissolution, obtain mixed liquor, containing 1 to 3 weight portion pectin and 1 to 3 weight portion sodium carboxymethylcellulose in the described mixed liquor of wherein every 100 weight portions;
Venturi tube is used to inflate in described mixed liquor; During inflation, feed liquid output pressure is 1.5 to 2.5bar, and gas output pressure is 1.7 to 2.7bar, obtains inflating rear feed liquid; And
By feed liquid turbulent closure scheme after described inflation, described turbulent closure scheme step is: be the pipeline of 34 to 51 millimeter with the flow velocity of 0.4 to 0.9 meter per second by internal diameter by feed liquid after described inflation, turn through 20 to 40 times in described pipeline, the angle of described turning is 80 to 100 degree, pipeline between adjacent turns is straight tube, and the distance between adjacent turns is 40 to 60 centimetres.
2. the preparation method of the fermented milk-containing drink of inflation as claimed in claim 1, wherein, during described inflation, the viscosity of described mixed liquor is 15 to 20 centipoises, and temperature is 4 to 15 DEG C.
3. the preparation method of the fermented milk-containing drink of inflation as claimed in claim 1, after wherein said inflation, feed liquid is before carrying out described turbulent closure scheme, also mixes through static mixer.
4. the preparation method of the fermented milk-containing drink of inflation as claimed in claim 1, wherein, the mixed dissolution step of described raw material adopts the method for vacuum batching to complete.
5. the preparation method of the fermented milk-containing drink of inflation as claimed in claim 1, wherein also comprises, before described mixed liquor inflation, by degassed for described mixed liquor and sterilization; Described degassed temperature is 70 to 75 DEG C, and degassed pressure is-0.04MPa to-0.08MPa; The temperature of described sterilization is 90 to 142 DEG C, and duration is 4 seconds to 5 minutes.
6. the preparation method of the fermented milk-containing drink of inflation as claimed in claim 1, after being wherein also included in described turbulent closure scheme, carries out filling; Described filling pressure is 1.0 to 2.0bar, and time filling, feed temperature is 4 to 15 DEG C.
7. the preparation method of the fermented milk-containing drink of inflation as claimed in claim 1, wherein, the described raw material of every 100 weight portions comprises acidified milk 28 to 36 weight portion.
8. the preparation method of the fermented milk-containing drink of inflation as claimed in claim 1, wherein, the described raw material of every 100 weight portions also comprises not higher than the PURE WHEY of 0.3 weight portion, 0.06 to 0.2 weight portion sweetener, 0.5 to 3 weight portion acidity regulator, 30 to 40 weight portion white granulated sugars, 10 to 15 weight portion fruit juice and/or 10 to 15 weight portion HFCSs.
9. an inflation unit for the process units of the fermented milk-containing drink of inflation, is characterized in that, comprising:
One Venturi tube, and
One convoluted pipeline, the discharging opening of described Venturi tube connects the charging aperture of described convoluted pipeline; The internal diameter of described convoluted pipeline is 34 to 51 millimeters, there are between the charging aperture of described convoluted pipeline and discharging opening 20 to 40 turnings, the angle of described turning is 80 to 100 degree, and the pipeline between adjacent turns is straight tube, and the duct length between adjacent turns is 40 to 60 centimetres.
10. the inflation unit of the process units of the fermented milk-containing drink of inflation according to claim 9, wherein also comprise static mixer, the charging aperture of described static mixer connects the discharging opening of described Venturi tube, and described static mixer discharging opening connects the charging aperture of described convoluted pipeline.
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| CN114568503A (en) * | 2020-11-30 | 2022-06-03 | 内蒙古伊利实业集团股份有限公司 | Carbonated aerated fermented milk beverage and preparation method thereof |
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