CN213604235U - Membrane concentration and dehydration system for producing fruit and vegetable dry powder - Google Patents
Membrane concentration and dehydration system for producing fruit and vegetable dry powder Download PDFInfo
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- CN213604235U CN213604235U CN202022297966.XU CN202022297966U CN213604235U CN 213604235 U CN213604235 U CN 213604235U CN 202022297966 U CN202022297966 U CN 202022297966U CN 213604235 U CN213604235 U CN 213604235U
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Abstract
The utility model discloses a membrane concentration and dehydration system for producing fruit and vegetable dry powder, which comprises a tundish, a membrane concentration and dehydration filtering unit, a first pipeline, a second pipeline and a third pipeline, wherein the output end of the tundish is communicated with the input end of the membrane concentration and dehydration filtering unit through the first pipeline; the membrane separation technology as a mature normal temperature concentration and dehydration technology has the characteristics of normal temperature concentration and dehydration, no influence on the nutrient content, color and flavor of fruits and vegetables, very low cost which is less than 2% of the freeze drying cost, and the method of combining the membrane separation technology and the freeze drying technology is applied to the field of processing of fruit and vegetable powder, so that the processing cost of the fruit and vegetable powder can be greatly reduced.
Description
Technical Field
The utility model relates to a food, health products processing field especially relate to a concentrated dewatering system of membrane for producing fruit vegetables dry powder.
Background
The fruit and vegetable is delicious, contains abundant vitamins and elements required by human bodies, is a food suitable for people of all ages, has high water content and is easy to rot, the loss rate of fresh fruits and vegetables reaches 30 percent, the loss rate of vegetables reaches 40 to 50 percent, and the loss rate of developed countries is less than 7 percent in China at the present stage;
at present, the total amount of fruit and vegetable products in China is the first in the world, but the processing amount is less than 10 percent of the total amount in the country, and if a large amount of juicy and nutrient-rich fruit and vegetable products are sold, stored and processed in time, the fruit and vegetable products are overstocked, dried, contracted and even deteriorated, so that economic loss is caused, in order to eat various fruits and vegetables all the year round, the fruit and vegetable products are made into various fruit and vegetable products, which become hot in advanced countries in the world at present, and the direct processing of fresh fruits and vegetables into fruit and vegetable powder is a processing mode appearing in recent years;
the following problems exist in the production process of the fruit and vegetable dry powder:
1. the production of fruit and vegetable powder generally comprises the steps of firstly drying and dehydrating fruit and vegetable raw materials, and then further crushing, wherein the drying method of the fruit and vegetable mainly comprises hot air drying and vacuum freeze drying, and the latter method greatly preserves the nutritional ingredients, color and flavor of the fruit and vegetable due to the drying in a freezing and vacuum state, so that the high-grade fruit and vegetable powder on the market is produced by adopting a freeze drying method, but the freeze drying equipment has the limitations of high technical difficulty, one-time investment and high operating cost, and the large-area popularization of the processing of the fruit and vegetable powder is severely restricted.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses a membrane concentration dewatering system for producing fruit and vegetable dry powder, the membrane separation technology has normal temperature concentration dewatering as the very mature normal temperature concentration dewatering technology, do not influence the nutrient content of fruit and vegetable, the characteristics of color and luster and flavor, most importantly, the cost of the membrane separation technology concentration dewatering is very low, can't freeze drying cost 2%, to the season fruit that the water content is big, it is full and succulent, the cost of adopting membrane separation technology concentration dewatering is lower, the mode that adopts membrane separation technology and freeze drying to combine together is applied to the fruit and vegetable powder processing field, can greatly reduce the processing cost of fruit and vegetable powder, with fresh fruit, vegetables (if necessary need peel) after the juice extractor squeezes, fruit and vegetable juice and sediment separation carry out multistage preliminary treatment into clear transparent solution, then enter the freeze drying process through membrane concentration dewatering and freeze drying and become fruit and vegetable powder with pure flavor, the concentrated solution after membrane concentration and dehydration can be mixed with slurry and filter residue in the pretreatment process and freeze-dried into powder, so that the nutritional ingredients in the fruits and vegetables are retained to the maximum extent, and the original flavor and nutritional ingredients of the fruit and vegetable juice can be reproduced.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a membrane concentration and dehydration system for producing fruit and vegetable dry powder comprises an intermediate tank, a membrane concentration and dehydration filtering unit, a first pipeline, a second pipeline and a third pipeline, wherein the output end of the intermediate tank is communicated with the input end of the membrane concentration and dehydration filtering unit through the first pipeline;
the first output end of the second pipeline is communicated with the input end of the third pipeline;
and the second output end of the second pipeline is used for discharging the concentrated fruit and vegetable juice.
As a further description of the above technical solution:
the membrane concentration dehydration filtering unit is a membrane made of organic materials or inorganic materials, the structure of the filtering membrane is one of a roll type, butterfly type or plate type nanofiltration membrane device, and the filtering precision is 5Da to 1000 Da.
As a further description of the above technical solution:
the membrane concentration dehydration filtration unit comprises membrane concentration equipment and a CIP cleaning system, wherein the CIP cleaning system is arranged in the membrane concentration equipment and used for cleaning and maintaining a concentration membrane in the membrane concentration equipment, and the CIP cleaning system is used for sterilizing the concentration membrane in the membrane concentration equipment.
As a further description of the above technical solution:
the intermediate tank comprises a fourth pipeline, the output end of the fourth pipeline is communicated with the second input end of the intermediate tank, and the fourth pipeline is used for introducing fresh fruit and vegetable juice into the intermediate tank.
As a further description of the above technical solution:
the membrane concentration dehydration filtration unit further comprises a fifth pipeline, wherein the input end of the fifth pipeline is communicated with the second output end of the membrane concentration dehydration filtration unit, and the fifth pipeline is used for discharging clear water in the membrane concentration dehydration filtration unit.
As a further description of the above technical solution:
the membrane concentration dehydration filtration unit also comprises a liquid pump, wherein the output end and the input end of the liquid pump are respectively communicated with the intermediate tank and the membrane concentration dehydration filtration unit, and the liquid pump is used for repeatedly pumping circulating liquid into the membrane concentration dehydration filtration unit so as to achieve the effect of concentrating fruit and vegetable juice.
As a further description of the above technical solution:
the membrane concentration dehydration filtration unit also comprises a first valve and a second valve, wherein the first valve is arranged in the passage of the third pipeline, the second valve is arranged in the passage of the second pipeline, and the second valve does not obstruct the circulating liquid from entering the third pipeline.
As a further description of the above technical solution:
the liquid pump is a circulating pump.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model adopts membrane concentration dehydration which belongs to the physical process and is carried out at normal temperature without destroying the nutrient content and color of the fruit and vegetable juice.
2. The utility model discloses used membrane filtration precision is high, only deviates from the moisture in the fruit juice, can remain the original flavor of fruit vegetables juice as far as.
3. The utility model discloses disposable input is low, and the working costs is very cheap, uses widely on a large scale in the trade of being convenient for.
4. The utility model discloses from taking CIP cleaning system, have membrane system concurrently and wash the maintenance and the function of disinfecting, satisfy the sanitary requirement of food processing completely.
5. The utility model has simple process, scientific and reasonable load distribution of each section, and stable quality of the produced fruit and vegetable powder product.
6. The utility model discloses both can make the product with the form of concentrate, can also make the pure fruit and vegetable juice dry powder of flavor with the concentrated juice freeze-drying, can also mix freeze-drying with thick liquids, the filter residue through the thick liquid after the membrane concentration dehydration and the ground paste of preliminary treatment in-process into the powder to the nutrient composition among the at utmost keeps the fruit and vegetable, makes the original flavor and the nutrient composition of fruit and vegetable juice reappear. Greatly expands the application of the materials.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic flow diagram of a membrane concentration and dehydration system for producing dry fruit and vegetable powder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The embodiment is a process of a membrane concentration and dehydration system for producing dry fruit and vegetable powders, as shown in fig. 1, the system comprises an intermediate tank, a membrane concentration and dehydration filtering unit, a first pipeline, a second pipeline and a third pipeline, wherein an output end of the intermediate tank is communicated with an input end of the membrane concentration and dehydration filtering unit through the first pipeline, a first output end of the membrane concentration and dehydration filtering unit is communicated with an input end of the second pipeline, a first output end of the membrane concentration and dehydration filtering unit is communicated with a first input end of the intermediate tank through the third pipeline, a first output end of the second pipeline is communicated with an input end of the third pipeline, and a second output end of the second pipeline is used for discharging concentrated fruit and vegetable juice;
preferably, the membrane concentration dehydration filtering unit is an organic or inorganic membrane, the membrane structure is one of a roll type, butterfly type or plate type nanofiltration membrane device, the filtering precision is one of 5Da to 1000Da or an interval range, the membrane concentration dehydration filtering unit comprises a membrane concentration device and a CIP cleaning system, the CIP cleaning system is arranged in the membrane concentration device and is used for cleaning and maintaining a concentration membrane in the membrane concentration device, the CIP cleaning system is used for sterilizing the concentration membrane in the membrane concentration device, the intermediate tank comprises a fourth pipeline, the output end of the fourth pipeline is communicated with the second input end of the intermediate tank, the fourth pipeline is used for introducing fresh fruit and vegetable juice into the intermediate tank, the membrane concentration dehydration filtering unit further comprises a fifth pipeline, and the input end of the fifth pipeline is communicated with the second output end of the membrane concentration dehydration filtering unit, the fifth pipeline is used for discharging clear water in the membrane concentration dehydration filtering unit;
it should be noted that the membrane concentration, dehydration and filtration unit further comprises a liquid pump, an output end and an input end of the liquid pump are respectively communicated with the intermediate tank and the membrane concentration, dehydration and filtration unit, the liquid pump is used for repeatedly pumping the circulating liquid into the membrane concentration, dehydration and filtration unit so as to achieve the effect of concentrating the fruit and vegetable juice, the membrane concentration, dehydration and filtration unit further comprises a first valve and a second valve, the first valve is arranged in a passage of the third pipeline, the second valve is arranged in a passage of the second pipeline, the second valve does not prevent the circulating liquid from entering the third pipeline, and the liquid pump is a circulating pump;
in order to solve the production of fruit and vegetable powder, generally, the fruit and vegetable raw materials are firstly dried and dehydrated and then further crushed, the drying method of the fruit and vegetable mainly comprises hot air drying and vacuum freeze drying, and the latter is dried in a frozen state and a vacuum state, so that the nutrient content, color and flavor of the fruit and vegetable are greatly preserved, therefore, the high-grade fruit and vegetable powder on the market is produced by adopting a freeze drying method, but the freeze drying equipment has the limitations of high technical difficulty, one-time investment and high operating cost, and the large-area popularization problem of the processing of the fruit and vegetable powder is severely limited;
the structure of the present invention is further explained below in conjunction with the use process:
the intermediate tank conveys the pretreated fruit and vegetable juice into the membrane concentration, dehydration and filtration unit under the conveying of the liquid pump, and the fruit and vegetable juice is in the membrane concentration, dehydration and filtration unit: a part of water permeates the membrane to form clear liquid, and the clear liquid can be returned to the production for full utilization because the part of water is quite pure; the other part of the fruit and vegetable juice is intercepted to form concentrated solution, the concentrated solution returns to the intermediate tank and enters the membrane concentration dehydration filtering unit again for circular dehydration, therefore, the part of the liquid is also called as circulating liquid, the first valve (circulating liquid valve) is opened when the circulating liquid is circularly concentrated and dehydrated, and the second valve (concentrated liquid valve) is closed;
when the concentrated solution of the fruit and vegetable juice in the membrane concentration dehydration system reaches a certain concentration, the second valve (concentrated solution valve) is opened, the first valve (circulating solution valve) is closed, the concentrated solution after concentration and dehydration is uniformly mixed with the slurry of the crusher in the previous process or the filter residue of the plate frame of the cloth bag, and the mixture is frozen and dried to prepare the fruit and vegetable dry powder with original taste;
in summary, the membrane separation technology as a very mature normal temperature concentration dehydration technology has the characteristics of normal temperature concentration dehydration without influencing the nutritional ingredients, color and flavor of fruits and vegetables, and most importantly, the cost of the membrane separation technology concentration dehydration is very low and is less than 2% of the freeze drying cost, the membrane separation technology concentration dehydration cost is lower for full and juicy seasonal fruits with large water content, the membrane separation technology and the freeze drying combined mode are applied to the field of fruit and vegetable powder processing, the processing cost of the fruit and vegetable powder can be greatly reduced, after fresh fruits and vegetables (needing peeling if necessary) are squeezed by a juicer, the fruit and vegetable juice and residues are separated and subjected to multi-stage pretreatment to obtain clear and transparent solution, then the clear and transparent solution is subjected to membrane concentration dehydration and then subjected to freeze drying to obtain the fruit and vegetable powder with pure flavor, and concentrated solution subjected to membrane concentration dehydration and slurry in the pretreatment process can be further subjected to multi-stage pretreatment, The filter residues are mixed and freeze-dried into powder, so that the nutritional ingredients in the fruits and vegetables are retained to the maximum extent, and the original flavor and nutritional ingredients of the fruit and vegetable juice are reproduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. A concentrated dewatering system of membrane for producing fruit vegetables dry powder which characterized in that: the device comprises an intermediate tank, a membrane concentration dehydration filtering unit, a first pipeline, a second pipeline and a third pipeline, wherein the output end of the intermediate tank is communicated with the input end of the membrane concentration dehydration filtering unit through the first pipeline, the first output end of the membrane concentration dehydration filtering unit is communicated with the input end of the second pipeline, and the first output end of the membrane concentration dehydration filtering unit is communicated with the first input end of the intermediate tank through the third pipeline;
the first output end of the second pipeline is communicated with the input end of the third pipeline;
and the second output end of the second pipeline is used for discharging the concentrated fruit and vegetable juice.
2. The membrane concentration and dehydration system for producing dried fruit and vegetable powder as claimed in claim 1, wherein: the membrane concentration dehydration filtering unit is a membrane made of organic materials or inorganic materials, the structure of the filtering membrane is one of a roll type, butterfly type or plate type nanofiltration membrane device, and the filtering precision is 5Da to 1000 Da.
3. The membrane concentration and dehydration system for producing dried fruit and vegetable powder as claimed in claim 1, wherein: the membrane concentration dehydration filtration unit comprises membrane concentration equipment and a CIP cleaning system, wherein the CIP cleaning system is arranged in the membrane concentration equipment and used for cleaning and maintaining a concentration membrane in the membrane concentration equipment, and the CIP cleaning system is used for sterilizing the concentration membrane in the membrane concentration equipment.
4. The membrane concentration and dehydration system for producing fruit and vegetable dry powder of claim 2, wherein: the intermediate tank comprises a fourth pipeline, the output end of the fourth pipeline is communicated with the second input end of the intermediate tank, and the fourth pipeline is used for introducing fresh fruit and vegetable juice into the intermediate tank.
5. The membrane concentration and dehydration system for producing fruit and vegetable dry powder of claim 2, wherein: the membrane concentration dehydration filtration unit further comprises a fifth pipeline, wherein the input end of the fifth pipeline is communicated with the second output end of the membrane concentration dehydration filtration unit, and the fifth pipeline is used for discharging clear water in the membrane concentration dehydration filtration unit.
6. The membrane concentration and dehydration system for producing dried fruit and vegetable powder as claimed in claim 1, wherein: the membrane concentration dehydration filtration unit also comprises a liquid pump, wherein the output end and the input end of the liquid pump are respectively communicated with the intermediate tank and the membrane concentration dehydration filtration unit, and the liquid pump is used for repeatedly pumping circulating liquid into the membrane concentration dehydration filtration unit so as to achieve the effect of concentrating fruit and vegetable juice.
7. The membrane concentration and dehydration system for producing dried fruit and vegetable powder as claimed in claim 5, wherein: the membrane concentration dehydration filtration unit also comprises a first valve and a second valve, wherein the first valve is arranged in the passage of the third pipeline, the second valve is arranged in the passage of the second pipeline, and the second valve does not obstruct the circulating liquid from entering the third pipeline.
8. The membrane concentration and dehydration system for producing dried fruit and vegetable powder as claimed in claim 6, wherein: the liquid pump is a circulating pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022297966.XU CN213604235U (en) | 2020-10-15 | 2020-10-15 | Membrane concentration and dehydration system for producing fruit and vegetable dry powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022297966.XU CN213604235U (en) | 2020-10-15 | 2020-10-15 | Membrane concentration and dehydration system for producing fruit and vegetable dry powder |
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| CN213604235U true CN213604235U (en) | 2021-07-06 |
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| CN202022297966.XU Active CN213604235U (en) | 2020-10-15 | 2020-10-15 | Membrane concentration and dehydration system for producing fruit and vegetable dry powder |
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