CN113797758A - Plant beverage concentrating device and concentrating method thereof - Google Patents
Plant beverage concentrating device and concentrating method thereof Download PDFInfo
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- CN113797758A CN113797758A CN202110983814.1A CN202110983814A CN113797758A CN 113797758 A CN113797758 A CN 113797758A CN 202110983814 A CN202110983814 A CN 202110983814A CN 113797758 A CN113797758 A CN 113797758A
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- 235000013361 beverage Nutrition 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000012528 membrane Substances 0.000 claims abstract description 109
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 97
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 239000012466 permeate Substances 0.000 claims abstract description 43
- 239000000047 product Substances 0.000 claims abstract description 42
- 239000002994 raw material Substances 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims description 24
- 238000004140 cleaning Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 18
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 230000003204 osmotic effect Effects 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims 5
- 239000011259 mixed solution Substances 0.000 claims 2
- 238000005406 washing Methods 0.000 abstract description 4
- 241000196324 Embryophyta Species 0.000 description 15
- 239000007787 solid Substances 0.000 description 12
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- 238000002156 mixing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
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- 235000000235 Euphoria longan Nutrition 0.000 description 2
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- 239000012141 concentrate Substances 0.000 description 2
- 235000009569 green tea Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000013616 tea Nutrition 0.000 description 2
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- 240000000249 Morus alba Species 0.000 description 1
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- 241001018563 Nekemias grossedentata Species 0.000 description 1
- 244000242564 Osmanthus fragrans Species 0.000 description 1
- 235000019083 Osmanthus fragrans Nutrition 0.000 description 1
- 240000004371 Panax ginseng Species 0.000 description 1
- 235000002789 Panax ginseng Nutrition 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
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- 244000299461 Theobroma cacao Species 0.000 description 1
- 235000005764 Theobroma cacao ssp. cacao Nutrition 0.000 description 1
- 235000005767 Theobroma cacao ssp. sphaerocarpum Nutrition 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Non-Alcoholic Beverages (AREA)
Abstract
The invention discloses a plant beverage concentrating device and a concentrating method thereof, the plant beverage concentrating device comprises a beverage raw material tank, a first high-pressure pump, a first-stage reverse osmosis membrane group and a permeate liquid tank, the second high-pressure pump, the second grade reverse osmosis membrane group, finished product jar and washing jar, the input and the output of first high-pressure pump are connected with the output of beverage head tank and the input of one-level reverse osmosis membrane group respectively, the output of one-level reverse osmosis membrane group in proper order with the beverage head tank, the input of permeate liquid jar and finished product jar is connected, the input and the output of second high-pressure pump are connected with the output of permeate liquid jar and the input of second grade reverse osmosis membrane group respectively, the output of second grade reverse osmosis membrane group is connected with the input of finished product jar and washing jar in proper order, the output of washing jar is connected with the input of beverage head tank, the output of finished product jar is connected with the input of beverage head tank.
Description
Technical Field
The invention relates to the technical field of membrane concentration processes, in particular to a plant beverage concentrating device and a plant beverage concentrating method.
Background
A plant beverage is prepared from plant or plant extract (root, stem, leaf, flower, seed of non-fruit and vegetable plant, or juice secreted by bamboo or tree, such as grains, edible fungus, edible algae, ferns, cacao, and flos Chrysanthemi) by processing or fermenting.
The plant beverage needs to use a concentration device during production, but the concentration device disclosed at present continuously recycles and concentrates the concentrated solution after the first-stage membrane group is concentrated, and the direct discharge process of penetrating fluid is different, so that waste is caused, and the taste and flavor of the beverage are influenced.
In order to solve the above-mentioned drawbacks, a technical solution is now provided.
Disclosure of Invention
The invention aims to provide a plant beverage concentrating device and a concentrating method thereof.
The technical problems to be solved by the invention are as follows:
the plant beverage needs to use a concentration device during production, but the concentration device disclosed at present continuously recycles and concentrates the concentrated solution after the first-stage membrane group is concentrated, and the direct discharge process of penetrating fluid is different, so that waste is caused, and the taste and flavor of the beverage are influenced.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a plant beverage enrichment facility, including beverage head tank, first high-pressure pump, one-level reverse osmosis membrane group, the permeate liquid jar, the second high-pressure pump, second grade reverse osmosis membrane group, finished product jar and washing jar, the input of first high-pressure pump is connected through the pipeline with the output of beverage head tank, the input of one-level reverse osmosis membrane group is connected through the pipeline with the output of first high-pressure pump, the input of permeate liquid jar is connected through the pipeline with the output of one-level reverse osmosis membrane group, the input of second high-pressure pump is connected through the pipeline with the output of permeate liquid jar, the input of second grade reverse osmosis membrane group is connected through the pipeline with the output of second high-pressure pump, the input of finished product jar is connected through the pipeline with the output of second grade reverse osmosis membrane group.
Furthermore, the output end of the second-stage reverse osmosis membrane group is connected with the input end of the cleaning tank through a pipeline.
Furthermore, the output end of the finished product tank is connected with the input end of the beverage raw material tank through a pipeline.
A concentration method of a plant beverage concentration device comprises the following steps:
firstly, starting a first high-pressure pump to convey the beverage in a beverage raw material tank to a first-stage reverse osmosis membrane group, directly inputting the first-stage concentrated solution subjected to cyclic concentration by the first-stage reverse osmosis membrane group to a finished product tank when the concentration meets the requirement, and returning to the beverage raw material tank to continue cyclic concentration if the concentration does not meet the requirement;
secondly, inputting the first-stage penetrating fluid circularly concentrated by the first-stage reverse osmosis membrane group into a penetrating fluid tank, conveying the first-stage penetrating fluid to the second-stage reverse osmosis membrane group by a second high-pressure pump, inputting the second-stage penetrating fluid concentrated by the second-stage reverse osmosis membrane group into a cleaning tank for filtering and cleaning, mixing the second-stage concentrated solution concentrated by the second-stage reverse osmosis membrane group into a finished product tank and the first-stage concentrated solution, and returning the second-stage concentrated solution to the beverage raw material tank for continuous concentration if the concentration is not enough;
and thirdly, when the first-stage concentration is finished, a part of concentrated solution is remained in the membrane module system, pure water is pumped into the first-stage reverse osmosis membrane module from the beverage raw material tank through the first high-pressure pump, the concentrated solution remained in the first-stage reverse osmosis membrane module is ejected out to a permeate liquid tank to be combined with the first-stage permeate liquid, the mixture enters the second-stage reverse osmosis membrane module to continue circulating osmotic concentration, the mixture is transferred into a finished product tank after the required concentration is achieved, the mixture is combined with the finished product concentrated solution, and the circulating concentration is finished when the concentration of the combined solution can meet the requirement.
The invention has the beneficial effects that:
the invention is suitable for concentration of tea beverages, coffee beverages, herbal beverages (rhizoma polygonati, polygonatum odoratum, ginseng, angelica sinensis, red ginseng, mulberry, maca, ampelopsis grossedentata, partridge tea, kudzuvine root, red date, medlar, longan, red bean, pearl barley, cordyceps militaris, chrysanthemum, sweet osmanthus, honeysuckle and rose) edible fungus beverages and fruit beverages. The concentrating device is different from a conventional membrane concentrating device in that the beverage passes through the first-stage permeable water of the first-stage reverse osmosis membrane group, the first-stage permeable water passes through the second-stage reverse osmosis membrane group to be concentrated continuously, beverage flavor substances and components which cannot be completely intercepted or partially leaked by the first-stage reverse osmosis membrane group pass through the second-stage reverse osmosis membrane group to be concentrated continuously, and partial substances leaked by the first-stage reverse osmosis are recovered to ensure that the fragrance, the flavor and the components of the beverage are not lost.
The whole device saves water by arranging the cleaning tank, greatly saves the cost and avoids waste.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
Fig. 1 is an overall flow chart of the plant beverage concentrating apparatus of the present invention.
In the figure, 1, a beverage raw material tank; 2. a first high pressure pump; 3. a first-stage reverse osmosis membrane group; 4. a permeate liquid tank; 5. a second high pressure pump; 6. a secondary reverse osmosis membrane group; 7. a finished product tank; 8. and (5) cleaning the tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
10000L of coffee extract is put in a beverage material tank 1, the concentration of the coffee extract is 1.2 percent of solid content, the coffee extract is pumped into a first-stage reverse osmosis membrane group 3 by a first high-pressure pump 2, and the pressure of the pump is from 1 kg.f/cm2Gradually increased to 30kg · f/cm2And the liquid permeated by the coffee extract under the action of the flow rate enters a permeate liquid tank 4, the concentrated part flows back to the beverage raw material tank 1, and after circulation for 30 minutes, when the concentration of the concentrated solution at the outlet of the first-stage reverse osmosis membrane group 3 reaches the solid content of 16 percent, the concentrated solution is transferred to a finished product tank 7;
when the liquid in the beverage raw material tank 1 is completely pumped, 500L of purified water is added, the purified water is pumped into the first-stage reverse osmosis membrane group 3 to eject the concentrated solution in the first-stage reverse osmosis membrane group 3, when the concentration of the ejected solution is reduced to the solid content of less than 10%, the concentrated solution in the first-stage reverse osmosis membrane group 3 is transferred to the permeate liquid tank 4, meanwhile, the first-stage permeate liquid in the permeate liquid tank 4 is pumped into the second-stage reverse osmosis membrane group 6 through the pump 5, the liquid permeated from the second-stage reverse osmosis membrane group 6 is directly transferred to the cleaning tank 8 to be used as cleaning equipment under the action of the pressure and the flow rate of the pump, the intercepted liquid returns to the permeate liquid tank 4, the circulation is carried out until the liquid in the permeate liquid tank 4 and the second-stage reverse osmosis membrane group 6 reaches the dead volume, the purified water is added into the permeate liquid tank 4 to continue the operation, the concentrated solution in the second-stage reverse osmosis membrane group 6 is ejected to the finished product tank 7 to be mixed with the first-stage concentrated solution, the concentrated coffee liquid is completely placed in a finished product tank 7, and finally 800L of the concentrated liquid finished product is obtained, wherein the concentration is 15% of the solid content.
Example 2
Placing 8000L of green tea extract into beverage material tank 1 with solid content of 2.0%, pumping the green tea extract into first stage reverse osmosis membrane group 3 by first high pressure pump 2 under the pressure of first high pressure pump from normal pressure to 35 kg.f/cm2The liquid permeating from the green tea extract liquid under the action of flow rate enters a permeating liquid tank 4, the concentrated part flows back to the beverage material tank 1, and after circulation for 20 minutes, when the first-stage reverse osmosisWhen the concentration of the concentrated solution at the outlet of the membrane group 3 reaches 23 percent of the solid content, transferring the concentrated solution into a finished product tank 7;
when the liquid in the beverage raw material tank 1 is completely pumped, 400L of purified water is added, the purified water is pumped into the first-stage reverse osmosis membrane group 3 to push out the concentrated liquid in the first-stage reverse osmosis membrane group 3, when the concentration of the top-discharged liquid is reduced to the solid content of less than 10%, the concentrated liquid in the first-stage reverse osmosis membrane group 3 is transferred to the permeate liquid tank 4, meanwhile, the first-stage permeate liquid in the permeate liquid tank 4 is pumped into the second-stage reverse osmosis membrane group 6 through the second high-pressure pump 5, under the action of the pressure and the flow rate of the second high-pressure pump 5, the liquid permeated from the second-stage reverse osmosis membrane group 6 is directly transferred to the cleaning tank 8 to be used as cleaning equipment, the intercepted part of the liquid returns to the permeate liquid tank 4, the purified water is circulated until the liquid in the permeate liquid tank 4 and the second-stage reverse osmosis membrane group 6 reach a dead volume, the purified water is added into the permeate liquid tank 4 to continue to operate, the concentrated liquid in the second-stage reverse osmosis membrane group 6 is pushed out to the finished product tank 7 to be mixed with the first-stage concentrated liquid, the concentrated green tea liquid is placed in a finished product tank 7, and the final concentrated liquid finished product 700L is obtained, wherein the concentration is 22.8% of solid content.
Example 3
Putting 15000L mixed extractive solution of fructus Jujubae, fructus Lycii and arillus longan in beverage raw material tank 1, the concentration of the mixed extractive solution is 3.2% of solid content, pumping green tea extractive solution into first-stage reverse osmosis membrane group 3 via first high-pressure pump 2, and pressurizing with first high-pressure pump 2 from normal pressure to 35 kg.f/cm2The liquid permeated by the mixed extract under the action of the flow rate enters a permeate liquid tank 4, the concentrated part flows back to a beverage raw material tank 1, and after circulation for 20 minutes, when the concentration of the concentrated solution at the outlet of the first-stage reverse osmosis membrane group 3 reaches the solid content of 12.1 percent, the concentrated solution is transferred to a finished product tank 7;
when the liquid in the beverage raw material tank 1 is completely pumped, 400L of purified water is added, the purified water is pumped into the first-stage reverse osmosis membrane group 3 to push out the concentrated liquid in the first-stage reverse osmosis membrane group 3, when the concentration of the top-discharged liquid is reduced to the solid content of less than 8%, the concentrated liquid in the first-stage reverse osmosis membrane group 3 is transferred to the permeate liquid tank 4, meanwhile, the first-stage permeate liquid in the permeate liquid tank 4 is pumped into the second-stage reverse osmosis membrane group 6 through the second high-pressure pump 5, under the action of the pressure and the flow rate of the second high-pressure pump 5, the liquid permeated from the second-stage reverse osmosis membrane group 6 is directly transferred to the cleaning tank 8 to be used as cleaning equipment, the intercepted part of the liquid returns to the permeate liquid tank 4, the purified water is circulated until the liquid in the permeate liquid tank 4 and the second-stage reverse osmosis membrane group 6 reach a dead volume, the purified water is added into the permeate liquid tank 4 to continue to operate, the concentrated liquid in the second-stage reverse osmosis membrane group 6 is pushed out to the finished product tank 7 to be mixed with the first-stage concentrated liquid, the concentrated mixed concentrated solution is completely placed in a finished product tank 7, and finally, a finished concentrated solution 4076L is obtained, wherein the concentration is 11.8 percent of solid content.
Referring to fig. 1, the present invention provides a technical solution:
a plant beverage concentrating device comprises a beverage raw material tank 1, a first high-pressure pump 2, a first-stage reverse osmosis membrane group 3, a permeate liquid tank 4, a second high-pressure pump 5, a second-stage reverse osmosis membrane group 6, a finished product tank 7 and a cleaning tank 8, wherein the input end and the output end of the first high-pressure pump 2 are respectively connected with the output end of the beverage raw material tank 1 and the input end of the first-stage reverse osmosis membrane group 3, the output end of the first-stage reverse osmosis membrane group 3 is sequentially connected with the beverage raw material tank 1, the permeate liquid tank 4 and the input end of the finished product tank 7, the input end and the output end of the second high-pressure pump 5 are respectively connected with the output end of the permeate liquid tank 4 and the input end of the second-stage reverse osmosis membrane group 6, and the output end of the second-stage reverse osmosis membrane group 6 is sequentially connected with the input ends of the finished product tank 7 and the cleaning tank 8;
the beverage raw material tank 1 is used for providing beverage raw materials required for concentration, the first high-pressure pump 2 and the second high-pressure pump 5 are used for providing power for transportation of the beverage raw materials, the first-stage reverse osmosis membrane group 3 and the second-stage reverse osmosis membrane group 6 are used for performing concentration operation on the beverage raw materials, the permeate liquid tank 4 is used for storing and transporting permeate liquid generated in the concentration process, the finished product tank 7 is used for storing qualified concentrated beverages, and the cleaning tank 8 is used for recovering water generated in the concentration process and performing subsequent cleaning.
A concentration method of a plant beverage concentration device comprises the following steps:
firstly, starting a first high-pressure pump 2 to convey the beverage in a beverage raw material tank 1 to a first-stage reverse osmosis membrane group 3, wherein a module 3 can be a single membrane shell or a plurality of membrane shells which are connected in series or in parallel, the first-stage concentrated solution circularly concentrated by the first-stage reverse osmosis membrane group 3 is directly input into a finished product tank 7 when the concentration meets the requirement, and the first-stage concentrated solution returns to the beverage raw material tank 1 to be continuously circularly concentrated if the concentration does not meet the requirement;
secondly, inputting the first-stage penetrating fluid circularly concentrated by the first-stage reverse osmosis membrane group 3 into a penetrating fluid tank 4, conveying the first-stage penetrating fluid to a second-stage reverse osmosis membrane group 6 by a second high-pressure pump 5, inputting the second-stage penetrating fluid concentrated by the second-stage reverse osmosis membrane group 6 into a cleaning tank 8 for cleaning after filtering, mixing the second-stage concentrated fluid concentrated by the second-stage reverse osmosis membrane group 6 with the first-stage concentrated fluid in a finished product tank 7, and returning the mixed liquid to the beverage raw material tank 1 for continuous concentration if the concentration is not enough;
thirdly, when the first-stage concentration is finished, a part of concentrated solution is remained in the membrane module system, pure water is pumped into the first-stage reverse osmosis membrane module 3 from the beverage raw material tank 1 through the first high-pressure pump 2, the concentrated solution remained in the first-stage reverse osmosis membrane module 3 is ejected to the permeate liquid tank 4 to be combined with the first-stage permeate liquid, then the mixture enters the second-stage reverse osmosis membrane module 6 to be continuously subjected to circulating osmotic concentration until the required concentration is reached, the mixture is transferred to the finished product tank 7 and is combined with the finished product concentrated solution, and the circulating concentration of the combined solution is finished when the required concentration is reached.
The working principle of the plant beverage concentrating device is as follows:
firstly, starting a first high-pressure pump 2 to convey the beverage in a beverage raw material tank 1 to a first-stage reverse osmosis membrane group 3, wherein a module 3 can be a single membrane shell or a plurality of membrane shells which are connected in series or in parallel, the first-stage concentrated solution circularly concentrated by the first-stage reverse osmosis membrane group 3 is directly input into a finished product tank 7 when the concentration meets the requirement, and the first-stage concentrated solution returns to the beverage raw material tank 1 to be continuously circularly concentrated if the concentration does not meet the requirement;
secondly, inputting the first-stage penetrating fluid circularly concentrated by the first-stage reverse osmosis membrane group 3 into a penetrating fluid tank 4, conveying the first-stage penetrating fluid to a second-stage reverse osmosis membrane group 6 by a second high-pressure pump 5, inputting the second-stage penetrating fluid concentrated by the second-stage reverse osmosis membrane group 6 into a cleaning tank 8 for cleaning after filtering, mixing the second-stage concentrated fluid concentrated by the second-stage reverse osmosis membrane group 6 with the first-stage concentrated fluid in a finished product tank 7, and returning the mixed liquid to the beverage raw material tank 1 for continuous concentration if the concentration is not enough;
thirdly, when the first-stage concentration is finished, a part of concentrated solution is remained in the membrane module system, pure water is pumped into the first-stage reverse osmosis membrane module 3 from the beverage raw material tank 1 through the first high-pressure pump 2, the concentrated solution remained in the first-stage reverse osmosis membrane module 3 is ejected to the permeate liquid tank 4 to be combined with the first-stage permeate liquid, then the mixture enters the second-stage reverse osmosis membrane module 6 to be continuously subjected to circulating osmotic concentration until the required concentration is reached, the mixture is transferred to the finished product tank 7 and is combined with the finished product concentrated solution, and the circulating concentration of the combined solution is finished when the required concentration is reached.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. A plant beverage concentrating device is characterized by comprising a beverage raw material tank (1), a first high-pressure pump (2), a first-stage reverse osmosis membrane group (3), a permeate liquid tank (4), a second high-pressure pump (5), a second-stage reverse osmosis membrane group (6), a finished product tank (7) and a cleaning tank (8), wherein the input end of the first high-pressure pump (2) is connected with the output end of the beverage raw material tank (1) through a pipeline, the input end of the first-stage reverse osmosis membrane group (3) is connected with the output end of the first high-pressure pump (2) through a pipeline, the input end of the permeate liquid tank (4) is connected with the output end of the first-stage reverse osmosis membrane group (3) through a pipeline, the input end of the second high-pressure pump (5) is connected with the output end of the permeate liquid tank (4) through a pipeline, the input end of the second-stage reverse osmosis membrane group (6) is connected with the output end of the second high-pressure pump (5) through a pipeline, the input end of the finished product tank (7) is connected with the output end of the second-stage reverse osmosis membrane group (6) through a pipeline.
2. A plant beverage concentrating device according to claim 1, wherein the output of the secondary reverse osmosis membrane module (6) is further connected to the input of a cleaning tank (8) via a pipeline.
3. A plant beverage concentrating device according to claim 1, characterized in that the output of the product tank (7) is connected to the input of the beverage material tank (1) by means of a pipe.
4. A concentration method of a plant beverage concentration device is characterized by comprising the following steps:
firstly, starting a first high-pressure pump (2) to convey the beverage in a beverage raw material tank (1) to a first-stage reverse osmosis membrane group (3), directly conveying the first-stage concentrated solution subjected to cyclic concentration by the first-stage reverse osmosis membrane group (3) to a finished product tank (7) when the concentration meets the requirement, and returning to the beverage raw material tank (1) for continuous cyclic concentration if the concentration does not meet the requirement;
secondly, inputting the first-stage penetrating fluid circularly concentrated by the first-stage reverse osmosis membrane group (3) into a penetrating fluid tank (4), conveying the first-stage penetrating fluid to a second-stage reverse osmosis membrane group (6) through a second high-pressure pump (5), inputting the second-stage penetrating fluid concentrated by the second-stage reverse osmosis membrane group (6) into a cleaning tank (8) for cleaning after filtering, merging the second-stage concentrated fluid concentrated by the second-stage reverse osmosis membrane group (6) into a finished product tank (7) and the first-stage concentrated fluid, and returning the beverage raw material tank (1) for continuous concentration if the concentration is not enough;
and thirdly, when the first-stage concentration is finished, a part of concentrated solution is remained in the membrane group system, pure water is pumped into the first-stage reverse osmosis membrane group (3) from the beverage raw material tank (1) through the first high-pressure pump (2), the residual concentrated solution in the first-stage reverse osmosis membrane group (3) is ejected to a permeate liquid tank (4) to be combined with the first-stage permeate liquid, then the mixed solution enters the second-stage reverse osmosis membrane group (6) to be continuously subjected to cyclic osmotic concentration, the mixed solution is transferred to a finished product tank (7) after reaching the required concentration and is combined with the finished product concentrated solution, and the cyclic concentration is finished when the concentration of the combined solution reaches the requirement.
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| CN202110983814.1A CN113797758A (en) | 2021-08-25 | 2021-08-25 | Plant beverage concentrating device and concentrating method thereof |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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