CN101480265B - Bactericidal method and device for granule-containing liquid drink processing technique - Google Patents
Bactericidal method and device for granule-containing liquid drink processing technique Download PDFInfo
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- CN101480265B CN101480265B CN2008101081636A CN200810108163A CN101480265B CN 101480265 B CN101480265 B CN 101480265B CN 2008101081636 A CN2008101081636 A CN 2008101081636A CN 200810108163 A CN200810108163 A CN 200810108163A CN 101480265 B CN101480265 B CN 101480265B
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Abstract
The invention provides a method and a device for sterilization in the process of inclusion granule liquid drink. The method comprises the steps: inclusion granule mixed material semi-finished products are prepared by mixing various materials according to the drink prescription flow through an inner tube of a single-sleeve sterilizer, and are sterilized by sequentially rising temperature, retaining temperature and reducing temperature. The invention causes the inclusion granule mixed material semi-finished products to horizontally flow in the inner tube of the sterilizer by selecting the single-sleeve sterilizer with larger caliber of the inner tube, reduces the damage to the integrity of the granule, controls the suitable sterilizing condition, and reaches the better sterilizing effect. The invention also provides a method for producing inclusion granule liquid drink by the sterilizing method.
Description
Technical field
The invention relates to a kind of method and device that contains sterilization in the particle liquid drink processing technique; Specifically; The invention relates to a kind of particle liquid drink (drink that particularly contains lactoprotein that is used to contain; For example seasoning breast, milk beverage or other contain the lactoprotein drink) material that contains particle is carried out the method for sterilization in the production technology, and the device of realizing this method, belong to liquid beverage technology field.
Background technology
In recent years; In China along with liquid beverage (or is claimed food liquid; Liquid beverage described in the present invention comprises liquid beverage and liquid breast) develop rapidly; Occurred a kind of liquid beverage that contains particle on the market, for example contained Juice or fruit-vegetable juice beverage, liquid breast or the milk beverage etc. of particle, wherein particles contained fruit particle, vegetables particle, cereal-granules, nut granule and/or the artificial food particle etc. of being generally; It is numerous in variety, nutritious and have the particles contained mouthfeel of chewing that this type contains the particle liquid drink, more and more receives consumer's favor.
The production technology that this type contains the particle liquid drink also is different from the production technology of traditional liquid beverage that does not contain particle.Wherein, sterilization is one of most important operation in the liquid drink processing technique, and this operation not only influences the quality of liquid beverage product, and can influence the local flavor and the color and luster of product usually.
At present; Containing in the particle liquid product technology what the material that contains particle was carried out that the method for sterilization mainly adopts in production is the tubular type sterilization machine; Common tubular type sterilization machine be configured to shell and tube (bushing type), mainly be the product pipe that nest of tables root is thin in a thicker sterilization tube (outer tube) (interior pipe), be commonly called as honeycomb bushing type sterilization machine; Its basic structure is shown in Figure 1A and Figure 1B; Generally be contained in the outer tube 2 by pipe 1 in a plurality of (5～20, the most common is 5～7) stainless steel, the internal diameter of interior pipe is generally 5～15 millimeters; Interior pipe is coupled together by concetrated pipe at the end of outer tube and to make the product PARALLEL FLOW; Flow in the space of heat transferring medium (heating or cooling medium) between inner and outer pipe, the end of each inner and outer pipe unit couples together to reach required heat transfer area through one half bend.Basic sterilization process is divided into the section that heats up, holds temperature section and temperature descending section; Feed liquid flows in the thin interior pipe of sterilization machine, and order is through heating up, holding gentle temperature-fall period and by sterilization, wherein; In the section that heats up; The heat medium of HTHP (being generally hot water) flows in thicker outer tube, carries out sufficient heat exchange with the feed liquid in the thinner interior pipe, makes feed liquid in the thin interior pipe in process of flowing, reach the temperature of sterilization like this; Keeping a period of time (this process feed liquid is being held in the temperature section pipe and flowed) under the sterilization temperature condition then; And then lower the temperature, thereby reach the purpose of sterilization, become aseptic feed liquid and go can.Such bushing type sterilization machine structure, the feed liquid that helps in the thin product pipe is carried out sufficient heat exchange with heat transferring medium in the thick outer tube, makes the central temperature of the interior feed liquid of product pipe reach the temperature of sterilization or cooling easily.But following production problem if be used for the feed liquid that contains particle is carried out sterilization, in the process of producing, can take place in the structure of this sterilization machine usually:
(1) owing to contain particle in the feed liquid, along with density difference or the particle itself of particle in feed liquid varies in size, product pipe plug plug can take place in some particle in flow process, can not produce continuously; For avoiding particles clog product pipe phenomenon to take place; Need the limits particle size and in limited range, select sterilization machine than the imperial palace caliber; For example; In the method for the milk beverage of the disclosed production interpolation of CN1875730A granular pattern raw material; Be that to select caliber be that 2.5～4.5 times tubular type sterilization machine of granular size carries out sterilization to the feed liquid that contains particle, but since at present the common inner tube diameter of tubular type sterilization machine in this field have only 5～15mm, thereby limited the research and development and the production of some bulky grain liquid beverages;
(2) in the sterilization process, the feed liquid that contains particle is in the motion of product pipe high speed, and the temperature of feed liquid raises gradually in whole flow process; And because the product pipe is thinner; If in the process of flowing, particle can too much contact and collide with tube wall the feed liquid that contains bigger particle in the product pipe, product pipe walls will produce very big shearing force to particle like this; Destroy the integrality of particle; Cause the particle in the finished product that obtains after the sterilization can be destroyed, reduce and chew mouthfeel, do not reach the Expected Results and the purpose of the product that contains particle;
(3) if particles contained in the feed liquid be amyloid particle such as grain particle; These particles with the frequent collision process of product pipe walls in; Can discharge starch and starch and can adhere on the tube wall, cause in the production short time, will taking place to stick with paste the pipe phenomenon, production can not long-time continuous be carried out.
Existence based on the problems referred to above; The existing method for disinfection that contains in the particle liquid drink processing technique; Make the production that contains the particle liquid drink receive restriction significantly, make it can not obtain scale steady and continuous commercial production, also limited some and contained the research and development of particle beverage and liquid lacteal product.In containing the particle liquid drink processing technique, how to carry out sterilization at present, plugging do not occur, stick with paste the pipe phenomenon, realize scale steady and continuous commercial production containing granule materials, and the degree of fragmentation that reduces particle, be a technical barrier of puzzlement enterprise always.
Summary of the invention
One object of the present invention is to provide a kind of and contains in the particle liquid drink processing technique to containing the method that granule materials carries out sterilization, to avoid occurring particle plugging phenomenon.
Another object of the present invention is to provide a kind of and contains in the particle liquid drink processing technique to containing the method that granule materials carries out sterilization, to reduce the particle degree of fragmentation.
Another object of the present invention is to provide a kind of and contains in the particle liquid drink processing technique to containing the method that granule materials carries out sterilization, to avoid occurring sticking with paste the pipe phenomenon.
Another object of the present invention is to provide a kind of and contains in the particle liquid drink processing technique to containing the method that granule materials carries out sterilization, when product is reached good bactericidal effect, to guarantee product quality.
Another object of the present invention is to provide a kind of and contains in the particle liquid drink processing technique containing the method that granule materials carries out sterilization, gives security for realizing the scale steady and continuous commercial production that contains the particle liquid drink.
It is a kind of said to containing the device that granule materials carries out the method for sterilization in order to realize that another object of the present invention is to provide.
Another object of the present invention is to provide a kind of process of utilizing described method for disinfection and device production to contain the particle liquid drink, to realize containing the scale steady and continuous commercial production of particle liquid drink.
On the one hand, the invention provides a kind of method that contains sterilization in the particle liquid drink processing technique, this method is that the material that contains particle is carried out sterilization, and this method comprises:
Make according to beverage formulation and each raw material is mixed and the mixed material that contains particle that preparation obtains flows in the interior pipe of single bushing type sterilization machine, order is through heating up, holding gentle temperature-fall period and by sterilization.
Among the present invention, not to utilize the honeycomb bushing type sterilization machine that generally adopts in the present liquid drink processing technique to carry out sterilization, but utilize single bushing type sterilization machine to realize containing the process for sterilizing of particle liquid drink containing granule materials.
On the other hand, it is a kind of in order to realizing that said this device specifically is a kind of single bushing type sterilization machine to containing the device that granule materials carries out the method for sterilization that the present invention also provides, and its basic structure is to be contained in a sleeve pipe form in the outer tube by pipe in.During sterilization, be to make product material PARALLEL FLOW in interior pipe, and flow in the space of heat transferring medium (heat medium, cooling medium) between interior pipe and outer tube.
Because method for disinfection of the present invention and device are to be used for liquid drink processing technique the material that contains particle is carried out sterilization; Described under normal conditions particle comprises nut granule, fruit-vegetable granules, cereal-granules and/or artificial food particle etc.; Grain diameter is generally about 1～15mm, is preferably 1～10mm.For avoiding in sterilization machine in the pipe blocking pipeline in the flow process; Among the present invention single bushing type sterilization machine has been carried out special transformation; The internal diameter that makes the outer tube of this sterilization machine is 60～95 millimeters; In the internal diameter of pipe be 40～63 millimeters, and the internal diameter ratio of said outer tube and interior pipe is 1.3～1.7, is preferably 1.4～1.6.Such design is compared with traditional honeycomb bushing type sterilization machine, and the internal diameter of pipe increases in making; The cross-sectional area that is single interior pipe (product pipe) increases; Thereby can make the feed liquid that contains particle more easily through the product pipe of sterilization machine, in continuous production, particle can not stop up the product pipe; In addition, the space in the product pipe increases, and particle is in product pipe high speed process of flowing, and shearing force reduces, and the integrality of particle has received protection, can reduce the particle degree of fragmentation, the requirement of accords with production; And even be used for the feed liquid of starch-containing particle is carried out sterilization, also the collision owing to particle and product pipe walls reduces, and effectively avoids discharging in the particle collision process starch, manages phenomenon thereby avoid producing taking place in the short time to stick with paste.Method for disinfection of the present invention and device provide assurance for realizing the scale steady and continuous commercial production that contains the particle liquid drink.
In the method for disinfection of the present invention; Because the expansion of inner tube diameter; Reach the temperature of sterilization or cooling easily for the central temperature that makes the feed liquid in the interior pipe (product pipe); Reach needed bactericidal effect, the surface area of pipe is equal to or greater than the surface area sum of all interior pipes of traditional honeycomb bushing type sterilization machine in preferably should guaranteeing, promptly guarantees the constant or increase of heat exchange area.According to preferred specific embodiments of the present invention; The interior pipe of said single bushing type sterilization machine and the tube wall surface of outer tube adopt the form of male and fomale(M&F) respectively; For example adopt bellows, honeycomb duct or other tube wall surface that the form (internal diameter of said pipe is average caliber in such cases) of male and fomale(M&F) is arranged; In interior pipe or outer tube, form turbulent flow in the flow process at material or heat medium, be beneficial to abundant heat exchange.
In the method for disinfection of the present invention; Under the prerequisite of the microorganism fatal rate of considering the feed liquid center; Also need consider the influence that long sterilization brings performances such as product special flavour mouthfeels; For when product is reached good bactericidal effect, guaranteeing product quality, the present invention further provides process for sterilizing more specifically.
The inventor finds under study for action; Flow during the said mixed material that contains particle is managed in sterilization machine is one of key factor that influences bactericidal effect; Flow during the said mixed material that contains particle of preferred control is managed in sterilization machine among the present invention is 1～10 ton/hour, more preferably 4～8 tons/hour.Compare with the flow of feed liquid in sterilization machine; Flow velocity during the said mixed material that contains particle is managed in sterilization machine is not very crucial to the influence of bactericidal effect; And under the situation that the sterilization machine caliber is confirmed, can suitably adjust the flow velocity of material according to the traffic requirement of determined material, particularly; Can control the flow velocity of the said mixed material that contains particle in sterilization machine, managing among the present invention is 0.9～1.6 meter per second, more preferably 1～1.2 meter per second.
Among the present invention; The said process that the material that contains particle is carried out sterilization has mainly comprised makes material heat up, hold the process of gentle cooling; According to preferred specific embodiments of the present invention; The time of controlling said temperature-rise period is 240～290 seconds, and the said time of holding warm process is 4～30 seconds, and the time of said temperature-fall period is 150～200 seconds.More specifically, said temperature of holding warm process can be 95～142 ℃.Can, product guarantee product quality when being reached good bactericidal effect.
Method for disinfection of the present invention and device are suitable for the various particle liquid drinks that contain and for example carry out sterilization to containing granule materials in the production technology such as fruit-vegetable juice beverage (fruit drink, juice beverage or bland), the drink (for example seasoning breast or milk beverage or other contain the lactoprotein drink) that contains lactoprotein, vegetable protein beverage.Difference according to the specific product kind; Concrete sterilization conditions can suitably be adjusted, in general, and for the product of producing pH value >=4.5; Need the above sterilization conditions of 130 ℃/4S (among the present invention; Except that specifying, said sterilization conditions is meant the temperature and time of holding warm process), preferred 137～142 ℃/4S; For the product of pH value＜4.5, need the above sterilization conditions of 95 ℃/30S, preferred 110 ℃/30S or 121 ℃/4S.
In view of the above, the method that the present invention also provides a kind of production to contain the particle liquid drink, this method comprise the process of carrying out sterilization according to the method for disinfection of the present invention mixed material that contains particle that preparation obtains to according to beverage formulation each raw material being mixed.
Method for disinfection of the present invention and equipment especially are suitable for producing the drink that contains lactoprotein, and the seasoning breast, milk beverage or some content of milk protein that for example contain particle are lower than the liquid beverage of 1.0% (can not be called milk beverage).Described particle can comprise nut granule, fruit-vegetable granules (fruit particle and/or vegetables particle), cereal-granules and/or artificial food particle etc.; For example; Said fruit particle can comprise one or more in orange particle, mulberries particle, raspberry particle, blueberry particle, climing month certain kind of berries particle, red certain kind of berries particle, cherry particle, blackcurrant particle, apple particle, pineapple particle, grape particle, pears particle, peach particle, strawberry particle, mango particle, pawpaw particle, grapefruit particle, Kiwi berry particle and the apricot particle etc.; The vegetables particle can comprise one or more in cucumber particle, Chinese yam particle, fragrant taro particle, dried tremella granules, pumpkin particle, daucus carrot particles, tomato particle, celery particle and the aloe particle etc.; Nut granule can comprise one or more in shelled peanut particle, hazelnut kernel particle, walnut kernel particle, sunflower benevolence particle, watermelon benevolence particle, pumpkin benevolence particle, almond particle, chestnut particle, cashew nut particle, American pistachios particle and the SEMEN PINI KORAIENSIS particle etc.; Cereal-granules can comprise one or more in polished rice particle, oat particle, corn particle, the seed of Job's tears particle etc., and the artificial food particle can comprise the coconut palm fruit granule, and (the fiber grain) behind the coconut palm fruit fruit juice fermentation is with one or more in the Amorphophalus rivieri particle (particle that konjac glucomannan is made) etc.Grain diameter is generally 1～15mm, is preferably 1～10mm among the present invention, can be primary circle shape, square, rectangle or erose bulk, pulp shape and/or fibrous etc.With production seasoning breast or milk beverage is example, and the method that contains the lactoprotein drink of utilizing method for disinfection production of the present invention to contain particle specifically can be carried out according to following operation:
Dispose the milk liquid base material of particle to be added: according to the existing conventional operation other raw materials beyond the particle-removing type materials such as the milk in seasoning breast or the milk beverage prescription, carbohydrate, stabilizing agent are fully mixed, the liquid base material that obtains suckling is cooled to below 25 ℃, and is subsequent use;
The interpolation of granulate material: granulate material is added in the milk liquid base material to the milk liquid material that contains particle that obtains mixing;
The milk liquid mass transport that will contain particle with displacement pump goes in single bushing type sterilization machine of the present invention to carry out sterilization, and gets into the bottle placer can subsequently, produces seasoning breast or the milk beverage obtain containing particle, further packing, check, can dispatch from the factory after qualified.
For the liquid diary product that contains cow's milk protein, process for sterilizing is the key technology that influences quality of dairy products, influences product special flavour and color and luster.Utilize method for disinfection production of the present invention to contain in the method that the lactoprotein drink of particle; Need the intensification in sterilization machine of feed liquid in the said sterilization of control, hold extend to traditional honeycomb bushing type dairy products corresponding time of sterilization machine total time (to the sterilizing time of the liquid diary product that does not contain particle) 1.4～4 times of gentle cooling, be preferably 2～3 times.Whole sterilization process is divided into three phases, the section that promptly heats up, holds temperature section, temperature descending section, and three about 394～520 seconds altogether periods, the section that heats up feed liquid is heated to 95 ℃～142 ℃ of target sterilization temperatures, about 240～290 seconds of the time of the section that heats up from about 10 ℃; Holding temperature section, feed liquid continues a period of time after reaching 95 ℃～142 ℃ of sterilization temperatures under this sterilization temperature, hold warm about 4～30 seconds of the time; Being recycled hot water and frozen water in the temperature descending section feed liquid is cooled to and carries out can below 30 ℃, about 150～200 seconds of temperature descending section time.Preferably controlling the flow of the said mixed material that contains particle in sterilization machine, managing in the sterilization process is 1～10 ton/hour, more preferably 4～8 tons/hour.The above-mentioned seasoning breast that method for disinfection production of the present invention contains particle or the method for milk beverage utilized; Be not easy to occur stopping up, stick with paste the pipe phenomenon; Can realize continuous process production; And the particle damage degree is little, and, utilize this method when realizing good bactericidal effect, to make sterilization be reduced to bottom line to local flavor, color and luster and the nutritive loss of breast.
Comprehensive, to compare with traditional method for disinfection that contains the particle liquid drink, technology of the present invention has the following advantages: can make the feed liquid that contains particle more easily through the product pipe of sterilization machine, particle can not stop up the product pipe in continuous production; Particle is in product pipe high speed process of flowing, and the integrality of particle has received protection, can reduce the particle degree of fragmentation, the requirement of accords with production, and reduce the release of starch in the starch-containing particle, avoid producing the pipe phenomenon takes place in the short time to stick with paste.Utilize method for disinfection of the present invention and install the liquid beverage that production contains particle, can realize containing the scale steady and continuous commercial production of particle liquid drink.Technology of the present invention has impetus for research and development that contain the particle liquid drink and production.
Description of drawings
Figure 1A and Figure 1B are for showing the structural representation of traditional shell and tube sterilization machine.
Fig. 2 A and Fig. 2 B are for showing the structural representation of sterilization machine of the present invention.
The specific embodiment
Below specify sterilizing unit of the present invention and method through illustrative embodiments and specific embodiment, be intended to help the reader to understand technical spirit of the present invention and the beneficial effect that can produce better.
See also the basic structure of the sterilization machine of the present invention that Fig. 2 A and Fig. 2 B illustrated, this sterilization machine is a kind of single bushing type sterilization machine, and its basic structure is to be contained in the concentric tubes form in the outer tube 2 by pipe 1 in.The internal diameter of the outer tube of single bushing type sterilization machine of the present invention is 60～95 millimeters, and the internal diameter of interior pipe is 40～63 millimeters, and the internal diameter ratio of said outer tube and interior pipe is 1.3～1.7, is preferably 1.4～1.6.During sterilization, be to make product material (feed liquid that contains particle) PARALLEL FLOW in interior pipe, and flow in the space of heat transferring medium (heat medium, cooling medium) between interior pipe and outer tube.Inner tube diameter is compared with the inner tube diameter of existing honeycomb bushing type sterilization machine greatly and to be enlarged, and the material that can help containing particle (said grain diameter is generally about 1～10mm) passes through smoothly.Reach the temperature of sterilization or cooling simultaneously easily for the central temperature that makes the feed liquid in the interior pipe (product pipe); Reach needed bactericidal effect; And consider the microorganism fatal rate at feed liquid center; The intensification of preferred control feed liquid in sterilization machine among the present invention, hold gentle cooling extend to 1.4～4 times of traditional honeycomb bushing type corresponding time of sterilization machine total time, be preferably 2～3 times.Whole sterilization process is divided into three phases, the section that promptly heats up, holds temperature section and temperature descending section, and three about 394～520 seconds altogether periods, whole system needs electric power, compressed air, steam, frozen water supply.Wherein, use as the hot water circuit of heat medium.In the section that heats up; Hot water is extremely high more than 2 ℃ than target sterilization temperature by steam heated more than 160 ℃; The feed liquid of this hot water about the section that heats up is with 10 ℃ is heated to 95 ℃～142 ℃ of sterilization temperatures, and hot water quilting liquid is cooled to lower temperature simultaneously, about 240～290 seconds of the time of the section that heats up; Holding temperature section, feed liquid continues a period of time after reaching 95 ℃～142 ℃ of sterilization temperatures under this sterilization temperature, hold warm about 4～30 seconds of the time; At temperature descending section; Feed liquid after sterilization temperature is held temperature at first with at the section quilting liquid cooling water but that heats up is carried out heat exchange; Feed liquid is cooled to 50～70 ℃; And water is heated to more than 90 ℃ by feed liquid, and hot water is the heat recovery of feed liquid, and hot water is recycled to the section that heats up again after by steam heated and heats to feed liquid subsequently.Feed liquid also will be passed through frozen water after by first cooling and is cooled to and carry out can below 30 ℃, about 150～200 seconds of temperature descending section time.Flow during the said mixed material that contains particle of preferred control is managed in sterilization machine among the present invention is 1～10 ton/hour, more preferably 4～8 tons/hour.
Utilize method for disinfection of the present invention and device to produce a kind of seasoning breast that contains cereal-granules, the composition of raw materials of the seasoning breast of this embodiment is (in 1 ton) as follows:
| The batching title | Basic consumption (kg) |
| Fresh milk | 800 |
| White granulated sugar | 28 |
| Stabilizing agent | 3.2 |
| Malt extract | 7 |
| Composite nutrient | 0.15 |
| Essence | 1.1 |
| Cereal-granules (the polished rice particle of slaking) | 50 (dry weights 28 before the slaking) |
| The batching water | Surplus |
The raw materials quality standard: cereal-granules is the particle of natural polished rice (granular size is in 1～10mm) after suitable slaking; The overwhelming majority is complete graininess; Basically not having starch separates out; Be even dispersion, do not produce the adhesive aggregation phenomenon, the dry weight of polished rice particle before slaking of every 100kg slaking is about 56kg; Each supplementary material meets relevant national standard.
The technological process of production of the seasoning breast that contains cereal-granules of present embodiment comprises the steps:
(1) proportioning process of milk liquid
(1), a certain amount of pasteurize milk is squeezed in the material-compound tank in advance.
(2), the mixed solution of preparation stabilizing agent and sugar:
(a) will be an amount of the batching of (be about stabilizing agent weight 30～40 times) be heated to 75 ℃ ± 5 ℃ with suckling;
(b) with stabilizing agent and white granulated sugar with about 1: 3 mixed, the batching that adds step (a) is with changing material in the milk, change material temperature remains on 75 ℃ ± 5 ℃; And adopt change material equipment with mixing, dispersion, shear effect, make feed liquid become homogeneous mixture;
(c) will remain white granulated sugar and add in the mixed liquor of step (b) fully dissolving mixing;
(d) material that obtains in the step (c) is carried out homogeneous, homogenization pressure is 18MPa (transfers secondary to make Pressure gauge be designated as 5MPa earlier, transfer one-level to make Pressure gauge be designated as 18MPa again);
(e) material behind the homogeneous is cooled to below 10 ℃;
(3), the solution of preparation malt extract: will be an amount of in cold batching water the addingizations material equipment of (be about malt extract weight 10 times), under continuous condition of stirring, add malt extract, it is fully dissolved;
(4), the batching in step (1), (2), (3) is mixed with milk, stabilizing agent and the solution of sugar, the solution of malt extract, and with suckling material is settled to dosage with residue batching water and remaining batching;
(5), the feed liquid that above-mentioned constant volume is good is warmed up to 70～75 ℃ and carries out homogeneous, homogenization pressure 25MPa (transfer secondary to make Pressure gauge be designated as 5MPa earlier, transfer one-level to make Pressure gauge be designated as 25MPa again);
(6), the material that homogeneous is good is cooled to below 10 ℃, deposits in another material-compound tank, adds essence, composite nutrient then, stirs the milk liquid base material that obtains preparing.
(2) interpolation of particle: granulate material (cereal-granules can carry out suitable maturation process in advance) is added in the above-mentioned milk liquid base material for preparing, mix, obtain containing the mixed liquor of particle.For example, can the milk liquid base material that prepare be squeezed in the preceding compensating groove of sterilization machine, in the charging of milk liquid base material, utilize auger conveyor to add in the sterilization machine compensating groove cereal-granules of handling well, mix, obtain containing the mixed liquor of particle with milk liquid.
(3) UHTS and can: the mixed liquor that contains particle in the above-mentioned steps (two) is transported to carries out sterilization in the sterilization machine of the present invention; The basic structure of the sterilization machine among this embodiment is shown in Fig. 2 A and Fig. 2 B; The internal diameter of pipe is 51 millimeters wherein, and the internal diameter of outer tube is 76 millimeters.In the present embodiment; Control that said to contain the flow that the particle feed liquid manages in sterilization machine be 6 tons/H; Whole sterilization process is divided into three phases, the section that promptly heats up, holds temperature section, temperature descending section, three about 430～480 seconds altogether periods; The section that heats up feed liquid is heated to 138 ℃ of sterilization temperatures, about 250～280 seconds of the time of the section that heats up from about 10 ℃; Hold the temperature section, after feed liquid reaches sterilization temperature, under this sterilization temperature, holding about 4～6 seconds of the time of temperature; Being recycled hot water and frozen water in the temperature descending section feed liquid is cooled to and carries out can below 30 ℃, about 180～200 seconds of temperature descending section time.Feed liquid after the sterilization is carried out sterile filling, obtains the seasoning milk product that contains cereal-granules of present embodiment, further packing, check, can dispatch from the factory after qualified.
The detection index of the seasoning milk product that contains cereal-granules of present embodiment: protein content is about 2.5%, and fat content is about 2.9%, and cereal-granules content is about 5.0%, pH=6.6.
In the method for present embodiment, on production line, produced ten hours continuously, anomalies such as no equipment obstruction are produced smoothly, can carry out continuously.The product color of being produced is normal, and it is normal to taste the product mouthfeel.
Get that five article of contracting for fixed output quotas of different time sections are sample in the present embodiment production process, filter out cereal-granules respectively, range estimation counting in washing back detects particle integrity property wherein, and finding all has the particle integrity more than 90% not have destruction in the article of whenever contracting for fixed output quotas.
Get in the present embodiment production process continuous 2400 and be bundled into article; And finish whenever to get one at a distance from half an hour and contract for fixed output quotas article in order to checking microorganism from beginning to produce; Above-mentioned 2400 article of contracting for fixed output quotas observe after seven days 37 ℃ of moist closet Continuous Cultivation whether the article of contracting for fixed output quotas that rise are arranged (whether checking has because of the aerogen survival); And testing product pH value (checking product whether have because of microorganism have the acid bag cause), and the Micro biological Tests product of being got checked through microbe culture.Experimental result shows that said 2400 are bundled into article through observing no any article of contracting for fixed output quotas that rise, and all between 6.5～6.7, total number of bacteria, Escherichia coli, mould and the yeast of the Micro biological Tests product of being got are all qualified for the pH value of all products, the accords with production requirement.
Above-mentioned about properties of product and coherent detection explanation; Utilize method for disinfection of the present invention and device production to contain the liquid beverage of particle; In the industrial while of scale steady and continuous that can realize containing the particle liquid drink; The particle percentage of damage is little, can when realizing good bactericidal effect, keep local flavor, color and luster and the nutrition of breast.
Utilize the method and apparatus of interpolation particle of the present invention to produce a kind of milk beverage that contains the coconut palm fruit granule, the composition of raw materials of the milk beverage of this embodiment is (in 1 ton) as follows:
| The batching title | Basic consumption (kg) |
| Fresh milk | 350 |
| White sugar | 60 |
| Stabilizing agent | 4.0 |
| Acidity regulator | 5 |
| Composite nutrient | 0.15 |
| Essence | 1.1 |
| Coconut palm fruit granule raw material | 50 |
| The batching water | Surplus |
Raw material standard:
Coconut palm fruit granule raw material: coconut palm fruit fruit grain size is 3 * 3 * 3mm, pH4.5, pol 15Brix, fruit grain content 70%, and each supplementary material meets relevant national standard.
The technological process of production of the milk beverage that contains the coconut palm fruit granule of present embodiment specifically comprises the steps:
(1) proportioning process of milk liquid base material
(1), a certain amount of pasteurize milk is squeezed in the material-compound tank in advance.
(2), the mixed solution of preparation stabilizing agent and sugar:
(a), will be an amount of the batching water of (be about stabilizing agent weight 30～40 times) be heated to 75 ℃ ± 5 ℃;
(b), with stabilizing agent and white granulated sugar with about 1: 3 mixed, add in the batching water of step (a) and change material, change the material temperature and remain on 75 ℃ ± 5 ℃; And adopt change material equipment with mixing, dispersion, shear effect, make feed liquid become homogeneous mixture;
(c), material was being carried out homogeneous (step (d)) precontract 10 minutes, will remain white granulated sugar and add in the mixed liquor of step (b) fully dissolving mixing;
(d), the material that obtains in the step (c) is carried out homogeneous, homogenization pressure is 18MPa (transfers secondary to make Pressure gauge be designated as 5MPa earlier, transfer one-level to make Pressure gauge be designated as 18MPa again);
(e), the material behind the homogeneous is cooled to below 10 ℃ through cold drawing;
(3), the solution of preparation acidity regulator: will be an amount of in cold batching water the addingizations material equipment of (be about acidity regulator weight 50 times), under continuous condition of stirring, add acidity regulator, it is fully dissolved;
(4), the solution of the batching in step (1), (2) with milk, stabilizing agent and sugar is fully mixed, under continuous condition of stirring, the mode that adds acid with spray adds the solution of the acidity regulator in the above-mentioned steps (3), guarantees albumen consistency in the interpolation process.And with suckling material is settled to dosage with residue batching water and remaining batching;
(5), the feed liquid that above-mentioned constant volume is good is warmed up to 70 ℃ to 75 ℃, carries out full homogeneous, homogenization pressure is 25MPa (transfers secondary to make Pressure gauge be designated as 5MPa earlier, transfer one-level to make Pressure gauge be designated as 25MPa again);
(6) homogeneous is good material is cooled to below 10 ℃, deposits in another material-compound tank, adds essence, composite nutrient then, stirs the milk liquid base material that obtains preparing.
(2) interpolation of particle: coconut palm fruit granule material is added in the above-mentioned milk liquid base material for preparing, mix, obtain containing the mixed liquor of particle.
(3) UHTS and can: utilize displacement pump that the mixed liquor that contains particle in the above-mentioned steps (two) is transported to and carry out sterilization in the sterilization machine of the present invention; The basic structure of the sterilization machine among this embodiment is shown in Fig. 2 A and Fig. 2 B; The internal diameter of pipe is 51 millimeters wherein, and the internal diameter of outer tube is 76 millimeters.In the present embodiment; Control that said to contain the flow that the particle feed liquid manages in sterilization machine be 6 tons/H; Whole sterilization process is divided into three phases, the section that promptly heats up, holds temperature section, temperature descending section, three about 430～480 seconds altogether periods; The section that heats up feed liquid is heated to 121 ℃ of sterilization temperatures, about 250～280 seconds of the time of the section that heats up from about 10 ℃; Hold the temperature section, after feed liquid reaches sterilization temperature, under this sterilization temperature, holding about 4～6 seconds of the time of temperature; Being recycled hot water and frozen water in the temperature descending section feed liquid is cooled to and carries out can below 30 ℃, about 180～200 seconds of temperature descending section time.Feed liquid after the sterilization is carried out sterile filling, obtains the milk beverage that contains the coconut palm fruit granule of present embodiment, further packing, check, can dispatch from the factory after qualified.
The detection index of the milk beverage that contains the coconut palm fruit granule of present embodiment: protein content is about 1.0%, and fat content is about 1.1%, and fruit grain granule content is about 3.5%, pH=4.0.
In the method for present embodiment, on production line, produced ten hours continuously, anomalies such as no equipment obstruction are produced smoothly, can carry out continuously.The product color of being produced is normal, and it is normal to taste the product mouthfeel.
Get that five article of contracting for fixed output quotas of different time sections are sample in the present embodiment production process, filter out the coconut palm fruit granule respectively, range estimation counting in washing back detects particle integrity property wherein, and finding all has the particle integrity more than 90% not have destruction in the article of whenever contracting for fixed output quotas.
Get in the present embodiment production process continuous 2400 and be bundled into article; And finish whenever to get one at a distance from half an hour and contract for fixed output quotas article in order to checking microorganism from beginning to produce; Above-mentioned 2400 article of contracting for fixed output quotas observe after seven days 37 ℃ of moist closet Continuous Cultivation whether the article of contracting for fixed output quotas that rise are arranged (whether checking has because of the aerogen survival); And testing product pH value (checking product whether have because of microorganism have the acid bag cause), and the Micro biological Tests product of being got checked through microbe culture.Experimental result shows that said 2400 are bundled into article through observing no any article of contracting for fixed output quotas that rise, and all between 3.9～4.1, total number of bacteria, Escherichia coli, mould and the yeast of the Micro biological Tests product of being got are all qualified for the pH value of all products, the accords with production requirement.
Above-mentioned about properties of product and coherent detection explanation; Utilize method for disinfection of the present invention and device production to contain the liquid beverage of particle; In the industrial while of scale steady and continuous that can realize containing the particle liquid drink; The particle percentage of damage is little, can when realizing good bactericidal effect, keep local flavor, color and luster and the nutrition of breast.
Comparative Examples 1
Utilize a kind of seasoning breast that contains cereal-granules of traditional production method that contains particle beverage and device fabrication; Wherein adopt traditional honeycomb bushing type sterilization machine to carry out sterilization; With as Comparative Examples of the present invention, the composition of raw materials of the seasoning of this Comparative Examples breast is identical with embodiment 1.And the production technology of the seasoning breast that contains cereal-granules of this Comparative Examples; Compare with the technology among the embodiment 1, sterilization is the traditional honeycomb bushing type sterilization machine that adopts shown in Figure 1A and Figure 1B, and the internal diameter of interior pipe is 10 millimeters; Pipe in totally five, the internal diameter of outer tube is 76 millimeters.In the present embodiment; Controlling the said total flow of particle feed liquid in interior pipe that contain is 6 tons/H; Whole sterilization process is divided into three phases, reaches the section that heats up, holds temperature section, temperature descending section, and three periods are total to about 200 seconds; The section that heats up feed liquid is heated to 138 ℃ of sterilization temperatures from about 10 ℃, under this sterilization temperature, holds about 4～6 seconds of the time of temperature; Being recycled hot water and frozen water in the temperature descending section feed liquid is cooled to and carries out can below 30 ℃.Sterile filling then obtains the milk beverage that contains cereal-granules of this Comparative Examples.Except that said method for disinfection, the production technology of this Comparative Examples is identical with embodiment 1.
The detection index of the seasoning milk product that contains cereal-granules of this Comparative Examples: protein content is about 2.5%, and fat content is about 2.9%, and cereal-granules content is about 5.0%, pH=6.6.
In the method for this Comparative Examples 1, producing about 10 minutes continuously on the production line, the particles clog sterilization machine promptly takes place, stop to produce.Can not carry out continuously.The product color of being produced is normal, and it is general to taste the product mouthfeel.Because in the whole sterilization process, particle receives stronger shearing force in the sterilization machine pipeline, particle is broken, discharges starch, the mouthfeel variation, and particle integrity property is damaged, and that does not have that true cereal-granules exists well chews sense, deviates from product design.
Five article of contracting for fixed output quotas of getting different time sections in this Comparative Examples 1 production process are sample, filter out cereal-granules respectively, and washing back range estimation counting detects particle integrity property wherein, and 70% the particle integrity of finding only to have an appointment in the article of whenever contracting for fixed output quotas does not have destruction.
Get the sample segment in this Comparative Examples, microorganism is detected, the accords with production requirement.
Above-mentioned only is to be that example is explained characteristics and the beneficial effect that method for disinfection and device of the present invention had to produce liquid breast and milk beverage.Same suitable other the various productions that contain the particle liquid drink of method for disinfection of the present invention and device; For example be used to produce the Juice, fruit-vegetable juice beverage, lactalbumin drink, the vegetable protein beverage drinks such as (like the soybean protein beverages) that contain nut granule, cereal-granules, fruit-vegetable granules and/or artificial food particle; Be not easy to occur stopping up, stick with paste the pipe phenomenon; Can realize continuous process production, and the particle damage degree is little.
Claims (12)
1. method that contains sterilization in the particle liquid drink processing technique, this method is that the material that contains particle is carried out sterilization, this method is:
Make according to beverage formulation and each raw material is mixed and the mixed material that contains particle that preparation obtains flows in the interior pipe of single bushing type sterilization machine, order is through heating up, holding gentle temperature-fall period and by sterilization; The basic structure of said single bushing type sterilization machine is to be contained in a sleeve pipe form in the outer tube by pipe in, and the internal diameter of said outer tube is 60～95 millimeters, said in the internal diameter of pipe be 40～63 millimeters, and the internal diameter ratio of said outer tube and interior pipe is 1.3～1.7; When using said single bushing type sterilization machine sterilization, make the product material said in, manage in PARALLEL FLOW, and make heat transferring medium in said, manage and outer tube between the space mobile.
2. method according to claim 1, wherein, controlling the flow of the said mixed material that contains particle in sterilization machine, managing is 1～10 ton/hour.
3. method according to claim 1, wherein, controlling the flow of the said mixed material that contains particle in sterilization machine, managing is 4～8 tons/hour.
4. method according to claim 1, wherein, the time of controlling said temperature-rise period is 240～290 seconds, and the said time of holding warm process is 4～30 seconds, and the time of said temperature-fall period is 150～200 seconds.
5. according to claim 1 or 4 described methods, wherein, said temperature of holding warm process is 95～142 ℃.
6. method according to claim 1, wherein, the said particle liquid drink that contains is the drink that contains lactoprotein.
7. according to claim 1 or 6 described methods, wherein, said particle is nut granule, fruit-vegetable granules, cereal-granules and/or artificial food particle, grain diameter 1～10mm.
8. according to each described method in the claim 1～4, wherein said heat transferring medium is heat medium or cooling medium.
9. a production contains the method for particle liquid drink, and this method comprises the process of carrying out sterilization according to each described method of claim 1～8 mixed material that contains particle that preparation obtains to according to beverage formulation each raw material being mixed.
10. single bushing type sterilization machine; The basic structure of this list bushing type sterilization machine is in one, to manage the sleeve pipe form in the outer tube that is contained in; The internal diameter of said outer tube is 60～95 millimeters, said in the internal diameter of pipe be 40～63 millimeters, and the internal diameter ratio of said outer tube and interior pipe is 1.3～1.7; Using should the sterilization of list bushing type sterilization machine the time, make the product material said in, manage in PARALLEL FLOW, and make heat transferring medium in said, manage and outer tube between the space mobile.
11. single bushing type sterilization machine according to claim 10, the interior pipe of this list bushing type sterilization machine and the tube wall surface of outer tube adopt the form of male and fomale(M&F) respectively.
12. according to claim 10 or 11 described single bushing type sterilization machines, wherein said heat transferring medium is heat medium or cooling medium.
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| SE535734C2 (en) * | 2010-12-06 | 2012-11-27 | Tetra Laval Holdings & Finance | Apparatus for heat treating a liquid food product |
| CN103960742A (en) * | 2014-04-25 | 2014-08-06 | 贵州三泓药业股份有限公司 | Device and method for germicidal treatment of raw materials in beverage production |
| CN105767182A (en) * | 2014-12-15 | 2016-07-20 | 基伊埃工程技术（中国）有限公司 | Continuous production process and devices of milk drink containing cereal grains |
| CN105028608B (en) * | 2015-05-29 | 2018-11-06 | 江南大学 | A kind of egg liquid pasteurization system |
| CN105360850B (en) * | 2015-10-14 | 2017-03-08 | 湖北康乐滋食品饮料有限公司 | nut beverage production line and production method |
| CN106418401A (en) * | 2016-09-27 | 2017-02-22 | 南通康之源中药材有限公司 | Functional nut composition and food composition containing functional nut composition and scented tea |
| CN108669404B (en) * | 2018-05-21 | 2021-06-18 | 江苏新美星包装机械股份有限公司 | Configuration sterilization equipment and configuration method for particle-containing liquid beverage |
| CN113133486A (en) * | 2020-01-20 | 2021-07-20 | 内蒙古蒙牛乳业（集团）股份有限公司 | Method for producing fruit-containing dairy product by adopting ohmic sterilization process |
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