Graded recovery and concentration system for sugar liquid in preserved cranberry pickling process

Abstract

The utility model discloses a graded recovery and concentration system for sugar liquor in a preserved cranberry pickling process, which comprises a tumbling pickling unit, a drying unit and a sugar liquor recovery unit which are connected in sequence, and the sugar liquor recovery unit comprises a recovered sugar liquor storage tank, a sugar melting tank, a concentration unit and a decoloration unit. According to the utility model, the residual sugar liquid in the preserved cranberry pickling process is recycled in a targeted manner, so that the direct utilization of the sugar liquid, the utilization of melted sugar, concentration and decoloration are realized, the resource utilization efficiency is improved, and the wastewater treatment capacity and the treatment difficulty are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the processing technology field of preserved cranberry, and particularly relates to a grading recovery and concentration system for sugar liquor in the pickling process of preserved cranberry. BACKGROUND

[0002] Cranberry is a kind of nutrient-rich berry, and the pulp contains rich proanthocyanidins, tannic acid, phenolic acid, resveratrol and other substances, and has antibacterial effect; many studies have shown that cranberry can inhibit the infection of helicobacter pylori, and has good effect on preventing gastric ulcer, gastric cancer and duodenal ulcer. In addition, flavonoids in cranberry have antioxidant function in in-vivo and in-vitro experiments, especially flavonols and proanthocyanidins have preventive effect on atherosclerosis. Cranberry also has the functions of lowering blood pressure, preventing urinary tract infection, preventing cardiovascular diseases, and has the functions of lubricating intestines, defecation, reducing cholesterol, resisting viruses and other health care functions, and therefore is more and more loved by consumers. However, due to the production location limitation of cranberry, and the short shelf life and high preservation difficulty, cranberry dry and cranberry juice are more likely to enter the field of vision of consumers.

[0003] The pickling process of preserved cranberry generally includes the steps of cleaning, pretreatment, sugar pickling and drying, wherein sugar and small materials are added according to the sugar content during the pickling process, a certain amount of cranberry juice is selected according to the actual situation, and in order to make the preserved cranberry be better pickled and flavored, the sugar can be attached to the surface of the preserved cranberry, and the pickling materials such as sugar and small materials are generally liquid, so there is usually a certain amount of liquid residue after pickling. Since the liquid contains rich sugar and small materials, and the pigment in the dried cranberry is deposited, the residual liquid has high sugar content, high viscosity and dark color, so if it is directly discarded, it will cause resource waste and high difficulty in waste water treatment, and direct recycling will cause the product color to be dark, affecting the quality of the final product, so there is an urgent need for a recycling system for recycling sugar liquor in the pickling process of preserved cranberry. SUMMARY

[0004] In view of the above technical problems, the utility model provides a grading recovery and concentration system for sugar liquor in the pickling process of preserved cranberry, which is used for recycling the residual sugar liquor in the pickling process of preserved cranberry, and realizes direct use, sugar melting, concentration and decolorization of the sugar liquor.

[0005] In order to achieve the above purpose, the utility model provides a grading recovery and concentration system for sugar liquor in the pickling process of preserved cranberry, which comprises a tumbling pickling unit, a drying unit and a sugar liquor recovery unit connected in sequence, wherein the sugar liquor recovery unit comprises a recovered sugar liquor storage tank, a sugar melting tank, a concentration unit and a decolorization unit.

[0006] Preferably, the tumbling and pickling unit comprises a tumbler, one end of the tumbler is connected with the recovered sugar liquid storage tank, the granular sugar storage tank, the first sugar liquid storage tank, the dried fruit storage tank, the small material storage tank and the CIP water storage tank respectively, and the other end is connected with the drying unit.

[0007] Further preferably, the tumbler is connected with the hot water storage tank in circulation.

[0008] Preferably, the drying unit comprises a first sugar-pickled dried fruit storage tank and a second sugar-pickled dried fruit storage tank; the first sugar-pickled dried fruit storage tank is connected with the oscillating sugar draining screen through the first screw feeder, and the second sugar-pickled dried fruit storage tank is connected with the oscillating sugar draining screen through the second screw feeder; the oscillating sugar draining screen is connected with the first scraping filter and the second scraping filter respectively, and the first scraping filter and the second scraping filter are connected with the sugar liquid recovery unit.

[0009] Further preferably, the first sugar-pickled dried fruit storage tank and the second sugar-pickled dried fruit storage tank are connected with the vacuum pump respectively; and the first sugar-pickled dried fruit storage tank and the second sugar-pickled dried fruit storage tank are connected with the CIP water storage tank in circulation respectively.

[0010] Further preferably, one end of the oscillating sugar draining screen is provided with a collecting pool at the bottom, and the other end is provided with the first vibrating machine and the second vibrating machine connected in sequence, and the second vibrating machine is connected with the second sugar liquid storage tank.

[0011] Preferably, the sugar liquid recovery unit comprises a first sugar liquid recovery tank and a second sugar liquid recovery tank; the sugar liquid recovery tank is connected with the decolorizing unit; the decolorizing unit comprises a decolorized sugar liquid storage tank, the decolorized sugar liquid storage tank is connected with the first decolorizing reaction tank and the second decolorizing reaction tank through the heat exchanger respectively; the decolorizing reaction tank is connected with the leaf filter, and the leaf filter is connected with the first filter, the second filter and the third filter in sequence; the filter is connected with the concentration unit; the concentration unit comprises a concentrated sugar liquid storage tank, the concentrated sugar liquid storage tank is connected with the heater, the evaporator, the condenser and the cooling water tank in sequence, and the heater is connected with the recovered sugar liquid storage tank in pipeline.

[0012] Further preferably, the sugar liquid recovery tank is connected with the sugar melting tank; the sugar liquid recovery tank is connected with the recovered sugar liquid storage tank in pipeline; the sugar liquid recovery tank is connected with the concentrated sugar liquid storage tank, the concentrated sugar liquid storage tank is connected with the heater, the evaporator, the condenser and the cooling water tank in sequence, and the heater is connected with the recovered sugar liquid storage tank in pipeline; and the sugar liquid recovery tank is connected with the sugar liquid recovery unit.

[0013] Further preferably, the decolorized sugar liquid storage tank is connected with the RO water storage tank.

[0014] Further preferably, the first sugar liquid recovery tank, the second sugar liquid recovery tank, the decolorized sugar liquid storage tank, the first decolorizing reaction tank and the second decolorizing reaction tank are connected with the CIP water storage tank in circulation pipeline respectively.

[0015] The utility model discloses beneficial effect lies in: the fruit dry with liquid after pickling in the rolling and rubbing machine is separated in drying unit, the sugar solution obtained is separated, then according to the color of sugar solution, the sugar content is divided into 4 types, is the color, the sugar content all meets the requirement can be directly used respectively, the sugar content is not enough, the color meets the condition, the sugar content is too low, the color meets the condition and the sugar content and color all do not meet the requirement, respectively carry out direct utilization, melt sugar jar utilization, concentrated utilization and decolorization after utilization again, four utilization modes are realized through the recovery sugar solution storage tank in sugar liquid recovery unit, melt sugar jar, concentration unit and decolorization unit respectively, finally realizes the recycling of the residual liquid after pickling, improves resource utilization efficiency, reduces wastewater treatment capacity and processing difficulty.

[0016] CIP cleaning system is arranged for the rolling and rubbing machine, sugar pickled fruit dry storage tank, sugar liquid recovery tank, decolorized sugar liquid storage tank and decolorization reaction tank respectively, so that online cleaning can be realized, the residual sugar liquid with excessively high viscosity can be prevented from adhering to the tank wall, operation can be affected, and meanwhile, the sugar liquid can be diluted and eluted, so that recycling is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model, in the drawing 1 is recovery sugar liquid storage tank, 2 is granulated sugar storage tank, 3 is first sugar liquid storage tank, 4 is fruit dry storage tank, 5 is small material storage tank, 6 is CIP water storage tank, 7 is hot water storage tank, 8 is rolling and rubbing machine, 9 is first sugar pickled fruit dry storage tank, 10 is second sugar pickled fruit dry storage tank, 11 is first screw feeder, 12 is second screw feeder, 13 is oscillation sugar leaching screen, 14 is collection pool, 15 is first vibrating machine, 16 is second vibrating machine, 17 is vacuum pump, 18 is first scraper filter, 19 is second scraper filter, 20 is second sugar liquid storage tank, 21 is first sugar liquid recovery tank, 22 is second sugar liquid recovery tank, 23 is decolorized sugar liquid storage tank, 24 is heat exchanger, 25 is first decolorization reaction tank, 26 is second decolorization reaction tank, 27 is leaf filter, 28 is first filter, 29 is second filter, 30 is third filter, 31 is melt sugar tank, 32 is concentrated sugar liquid storage tank, 33 is heater, 34 is evaporator, 35 is condenser, 36 is cooling water tank. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be explained and described further in connection with the drawings and specific embodiments, and it is worth noting that the following embodiments are only preferred embodiments of the utility model, and should not be understood as limiting the utility model, and the protection scope of the utility model should be according to the content recorded in the claims. The modification and replacement of the technical scheme of the utility model by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Embodiment 1

[0020] like Figure 1 As shown, a graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves includes a tumbling and pickling unit, a drying unit, and a sugar solution recovery unit connected in sequence. The sugar solution recovery unit includes a sugar solution storage tank 1, a sugar melting tank 31, a concentration unit, and a decolorization unit. After the preserves are pickled in the tumbling and pickling unit, they are processed by the drying unit to separate the preserves from the sugar solution. The separated sugar solution is stored in the sugar solution storage tank 1. Then, according to its sugar content and color, it is transported to the sugar melting tank 31, the concentration unit, and the decolorization unit, respectively, for sugar melting and recycling, concentration and reuse, and decolorization and reuse, respectively. In addition, the recovered sugar solution with qualified sugar content and color can be directly transported back to the tumbling and pickling unit for direct recycling.

[0021] Preferably, the tumbling and marinating unit includes a tumbling machine 8. One end of the tumbling machine 8 is connected to a recycled sugar solution storage tank 1, a granulated sugar storage tank 2, a first sugar solution storage tank 3, a dried fruit storage tank 4, a small ingredient storage tank 5, and a CIP water storage tank 6, respectively. The other end is connected to a drying unit. Materials are added to the tumbling machine 8 respectively. The recycled sugar solution storage tank 1 stores recycled sugar solution with qualified sugar content and color from the sugar solution recycling unit to improve resource utilization. The CIP water storage tank 6 contains CIP water, which can clean the tumbling machine 8 in real time and online.

[0022] More preferably, the jacket of the tumbler 8 is circulatedly connected to the hot water storage tank 7; providing heat to the tumbler 8, so that the sugar syrup and small ingredients can melt and adhere to the dried fruit, and avoiding the temperature being too low and uneven marinating. At the same time, it also avoids too much sugar syrup sticking to the inner wall of the tumbler 8, thus avoiding material waste.

[0023] Preferably, the drying unit includes a first candied fruit storage tank 9 and a second candied fruit storage tank 10; the first candied fruit storage tank 9 is connected to a vibrating sugar-draining screen 13 via a first screw feeder 11, and the second candied fruit storage tank 10 is connected to the vibrating sugar-draining screen 13 via a second screw feeder 12; the vibrating sugar-draining screen 13 is connected to a first scraper filter 18 and a second scraper filter 19 respectively, and the first scraper filter 18 and the second scraper filter 19 are connected to a sugar solution recovery unit; the preserved fruit processed by the tumbler 8 is temporarily stored in the two candied fruit storage tanks, and then conveyed to the vibrating sugar-draining screen 13 via a screw feeder, where excess sugar solution on the preserved fruit is separated by vibration, and the separated sugar solution is conveyed to the sugar solution recovery unit after being separated by a scraper filter for sugar solution recovery.

[0024] Preferably, the first candied fruit storage tank 9 and the second candied fruit storage tank 10 are respectively connected to the vacuum pump 17 to maintain a vacuum state inside the candied fruit storage tank, which avoids contamination by impurities and facilitates material transportation; the first candied fruit storage tank 9 and the second candied fruit storage tank 10 are respectively connected to the CIP water storage tank 6 for circulation, which facilitates real-time, online cleaning.

[0025] More preferably, the bottom of one end of the vibrating sugar-draining screen 13 is provided with a collection pool 14, and the other end is provided with a first vibrator 15 and a second vibrator 16 connected in sequence. The second vibrator 16 is connected to the sugar solution recovery unit. A portion of the candied fruit separated by the vibrating sugar-draining screen 13 is stored in the collection pool 14 for drying, while another portion of the candied fruit mixture with more sugar solution is further separated in the vibrator. The separated sugar solution is transported to the sugar solution recovery unit for sugar solution recovery treatment.

[0026] Preferably, the sugar solution recovery unit includes a first sugar solution recovery tank 21 and a second sugar solution recovery tank 22, used to collect the sugar solution generated in the drying unit; the sugar solution recovery tanks are connected to the decolorization unit to decolorize sugar solutions with low sugar content and dark color; the decolorization unit includes a decolorized sugar solution storage tank 23, which is connected to the first decolorization reaction tank 25 and the second decolorization reaction tank 26 via a heat exchanger 24; the decolorization reaction tanks are connected to a leaf filter 27, which is connected to the first filter 28, the second filter 29 and the third filter 30 in sequence, using an adsorbent to remove pigments from the sugar solution and reduce the color depth of the sugar solution, while the heat exchanger 24 can return the sugar solution to the air. The heat from the sugar solution is utilized to improve heat utilization efficiency. The filter is connected to the concentration unit to concentrate the decolorized sugar solution to achieve the sugar content required for candied fruit pickling. The concentration unit includes a concentrated sugar solution storage tank 32, which is connected in sequence to a heater 33, an evaporator 34, a condenser 35, and a cooling water tank 36. The heater 33 is connected to a pipeline of a recycled sugar solution storage tank 1 to evaporate and condense the sugar solution with lower sugar content. The concentrated sugar solution is directly transported to the recycled sugar solution storage tank 1 for recycling. The condensate is collected in the cooling water pipe 36 for further use. It can be used as CIP water or for preparing sugar solutions and other ingredients.

[0027] More preferably, the sugar solution recovery tank is connected to the sugar melting tank 31, which transports sugar solution with insufficient sugar content but satisfactory color to the sugar melting tank 31, adds solid sugar to melt the sugar, and then uses the solution after increasing the sugar content; the sugar solution recovery tank is also connected to the sugar solution recovery storage tank 1, which directly transports sugar solution with satisfactory sugar content and color to the sugar solution recovery storage tank 1 for recycling; the sugar solution recovery tank is connected to the concentrated sugar solution storage tank 32, which is sequentially connected to the heater 33, evaporator 34, condenser 35, and cooling water tank 36, and the heater 33 is connected to the sugar solution recovery storage tank 1; the sugar solution recovery tank is also connected to the second sugar solution storage tank 20, which concentrates sugar solution with insufficient sugar content but satisfactory color, increases the sugar content, and then transports it to the sugar solution recovery storage tank 1 for recycling.

[0028] More preferably, the decolorized sugar solution storage tank 23 is connected to the RO water storage tank 37 to provide RO water.

[0029] Preferably, the first sugar solution recovery tank 21, the second sugar solution recovery tank 22, the decolorized sugar solution storage tank 23, the first decolorization reaction tank 25, and the second decolorization reaction tank 26 are respectively connected to the circulation pipeline of the CIP water storage tank 6 to realize real-time, online cleaning of the tanks.

Claims

1. A graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves, characterized in that: It includes a tumbling and marinating unit, a drying unit and a sugar solution recovery unit connected in sequence, wherein the sugar solution recovery unit includes a sugar solution recovery tank (1), a sugar melting tank (31), a concentration unit and a decolorization unit.

2. The graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 1, characterized in that: The tumbling and marinating unit includes a tumbling machine (8), one end of which is connected to the recycled sugar solution storage tank (1), the granulated sugar storage tank (2), the first sugar solution storage tank (3), the dried fruit storage tank (4), the small material storage tank (5), and the CIP water storage tank (6), and the other end is connected to the drying unit.

3. The graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 2, characterized in that: The tumbler (8) is circulated with the hot water storage tank (7).

4. The graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 1, characterized in that: The drying unit includes a first candied fruit storage tank (9) and a second candied fruit storage tank (10); the first candied fruit storage tank (9) is connected to a vibrating sugar-draining screen (13) via a first screw feeder (11), and the second candied fruit storage tank (10) is connected to a vibrating sugar-draining screen (13) via a second screw feeder (12); the vibrating sugar-draining screen (13) is connected to a first scraper filter (18) and a second scraper filter (19) respectively, and the first scraper filter (18) and the second scraper filter (19) are connected to a sugar liquid recovery unit.

5. A graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 4, characterized in that: The first candied fruit storage tank (9) and the second candied fruit storage tank (10) are respectively connected to the vacuum pump (17); the first candied fruit storage tank (9) and the second candied fruit storage tank (10) are respectively connected to the CIP water storage tank (6) in a loop.

6. A graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 4, characterized in that: The oscillating sugar sieve (13) has a collection pool (14) at one end and a first vibrator (15) and a second vibrator (16) connected in sequence at the other end. The second vibrator (16) is connected to the sugar liquid recovery unit.

7. A graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 1, characterized in that: The sugar solution recovery unit includes a first sugar solution recovery tank (21) and a second sugar solution recovery tank (22); the sugar solution recovery tank is connected to the decolorization unit; the decolorization unit includes a decolorized sugar solution storage tank (23), which is connected to the first decolorization reaction tank (25) and the second decolorization reaction tank (26) via a heat exchanger (24); the decolorization reaction tank is connected to a leaf filter (27), which is connected to the first filter (28), the second filter (29) and the third filter (30) in sequence; the filter is connected to the concentration unit; the concentration unit includes a concentrated sugar solution storage tank (32), which is connected to the heater (33), the evaporator (34), the condenser (35) and the cooling water tank (36) in sequence; the heater (33) is connected to the recovered sugar solution storage tank (1) via pipeline.

8. A graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 7, characterized in that: The sugar solution recovery tank is connected to the sugar melting tank (31); the sugar solution recovery tank is connected to the recovery sugar solution storage tank (1) via pipeline; the sugar solution recovery tank is connected to the concentrated sugar solution storage tank (32), the concentrated sugar solution storage tank (32) is connected in sequence to the heater (33), the evaporator (34), the condenser (35) and the cooling water tank (36), the heater (33) is connected to the recovery sugar solution storage tank (1) via pipeline; the sugar solution recovery tank is connected to the second sugar solution storage tank (20).

9. A graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 7, characterized in that: The decolorized sugar solution storage tank (23) is connected to the RO water storage tank (37).

10. A graded recovery and concentration system for sugar solution during the pickling process of cranberry preserves according to claim 7, characterized in that: The first sugar solution recovery tank (21), the second sugar solution recovery tank (22), the decolorized sugar solution storage tank (23), the first decolorization reaction tank (25), and the second decolorization reaction tank (26) are respectively connected to the circulation pipeline of the CIP water storage tank (6).

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