Production device of low-glycosylation glucosyl stevioside

Abstract

The utility model discloses a production device of low-glycosylation glucosyl stevioside, and relates to the technical field of stevioside production, an inlet of a dissolving tank is respectively communicated with a stevioside RA97 tank, a beta-cyclodextrin tank and a purified water tank through pipelines, and an outlet of the dissolving tank is communicated with a reaction tank through a pipeline; an inlet of the reaction tank is communicated with an acid liquor tank and a glucosyltransferase tank through pipelines, an outlet of the reaction tank is communicated with an enzymolysis tank through a pipeline, an inlet of the enzymolysis tank is communicated with a saccharifying enzyme tank through a pipeline, an outlet of the enzymolysis tank is communicated with a first concentration tank through a pipeline, and an inlet of the first concentration tank is communicated with an ethanol tank through a pipeline; an outlet of the first concentration tank is communicated with a second concentration tank through a pipeline, an inlet of the second concentration tank is communicated with a methanol tank through a pipeline, and an outlet of the second concentration tank is communicated with a dryer and a finished product tank through pipelines. In the whole process, less waste such as sewage is generated, the method is environment-friendly, the equipment maintenance cost is low, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of stevioside production, in particular to a production device for low-glycosylated glucose-based stevioside. Background Art

[0002] Glucosyl stevioside is a sweetener rich in sugar. A moderate intake can provide the body with the energy it needs, help strengthen the body and relieve fatigue, and can also reduce calorie intake, which can help with weight loss. Glucosyl stevioside can also affect the secretion of insulin, help regulate blood sugar, maintain blood sugar stability, effectively reduce the risk of diabetes, and can also dilate blood vessels, increase blood volume, and help stabilize blood pressure.

[0003] Chinese patent CN116144722A discloses a method for preparing low-glycosylated glucose-based stevioside, which has a high yield. However, a large amount of wastewater is generated during the resin analysis and washing process, which pollutes the environment and has a high treatment cost. In addition, the resin column itself has a high failure rate, which increases the production cost. Summary of the invention

[0004] The technical problem to be solved by the utility model is: in view of the deficiencies in the prior art, a production device for low-glycosylated glucose-syl stevioside is provided, which is environmentally friendly and has low production cost.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A production device for low-glycosylated glucosyl stevioside comprises a dissolving tank, wherein the inlet of the dissolving tank is connected to a stevioside RA97 tank, a β-cyclodextrin tank and a purified water tank through pipelines, the outlet of the dissolving tank is connected to a reaction tank through a pipeline, the inlet of the reaction tank is connected to an acid tank and a glucosyltransferase tank through a pipeline, the outlet of the reaction tank is connected to an enzymolysis tank through a pipeline, the inlet of the enzymolysis tank is connected to a saccharifying enzyme tank through a pipeline, the outlet of the enzymolysis tank is connected to a first concentrating tank through a pipeline, the inlet of the first concentrating tank is connected to an ethanol tank through a pipeline, the outlet of the first concentrating tank is connected to a second concentrating tank through a pipeline, the inlet of the second concentrating tank is connected to a methanol tank through a pipeline, the outlet of the second concentrating tank is connected to a dryer through a pipeline, and the outlet of the dryer is connected to a finished product tank through a pipeline.

[0007] As an improved technical solution, the outlet of the first concentration tank is connected to a filter through a pipeline, and the liquid phase outlet of the filter is connected to the second concentration tank through a pipeline.

[0008] As an improved technical solution, the outlet of the second concentration tank is connected to a suction filtration tank through a pipeline, and the filter cake outlet of the suction filtration tank is connected to the dryer.

[0009] As an improved technical solution, the liquid phase outlet of the suction filtration tank is connected to a filtrate tank via a pipeline.

[0010] As an improved technical solution, a first automatic regulating valve is provided on the outlet pipe of the acid liquid tank, a pH sensor is provided in the reaction tank, and the first automatic regulating valve and the pH sensor are interlocked to a control system.

[0011] As an improved technical solution, a first flow sensor is provided on the outlet pipe of the dissolution tank, and a second flow sensor and a second automatic regulating valve are provided on the outlet pipe of the glucosyltransferase tank. The first flow sensor, the second flow sensor and the second automatic regulating valve are interlocked to a control system.

[0012] As a preferred technical solution, the outlet of the reaction tank is provided with a third flow sensor, the outlet of the saccharifying enzyme tank is provided with a fourth flow sensor and a third automatic regulating valve, and the third flow sensor, the fourth flow sensor and the third automatic regulating valve are interlocked to the control system.

[0013] As a preferred technical solution, the dryer is a vacuum dryer.

[0014] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0015] The utility model discloses a production device for low-glycosylated glucosyl stevioside, comprising a dissolving tank, wherein the inlet of the dissolving tank is respectively connected with a stevioside RA97 tank, a β-cyclodextrin tank and a purified water tank through pipelines, the outlet of the dissolving tank is connected with a reaction tank through a pipeline, the inlet of the reaction tank is connected with an acid tank and a glucosyltransferase tank through a pipeline, the outlet of the reaction tank is connected with an enzymolysis tank through a pipeline, the inlet of the enzymolysis tank is connected with a saccharifying enzyme tank through a pipeline, the outlet of the enzymolysis tank is connected with a first concentrating tank through a pipeline, the inlet of the first concentrating tank is connected with an ethanol tank through a pipeline, the outlet of the first concentrating tank is connected with a second concentrating tank through a pipeline, the inlet of the second concentrating tank is connected with a methanol tank through a pipeline, the outlet of the second concentrating tank is connected with a dryer through a pipeline, and the outlet of the dryer is connected with a finished product tank through a pipeline. The raw materials stevioside RA97 and β-cyclodextrin are added to the dissolution tank, and then an appropriate amount of purified water is added to heat and dissolve. The obtained raw material liquid is transferred to the reaction tank, and acid is added to adjust the pH to about 5.0, and then the glucosyltransferase tank is added. After the reaction, the enzyme is heated to inactivate the enzyme to obtain a reaction solution. After the reaction solution is cooled, saccharifying enzyme is added, and after the reaction, the enzyme is heated to inactivate the enzyme to obtain an enzymolysis solution. The enzymolysis solution is put into the first concentration tank for concentration, and then anhydrous ethanol is added. After standing, the supernatant is collected and put into the second concentration tank, methanol is added after concentration, and then the temperature is raised and stirred to dissolve, and then the temperature is lowered and crystallized. After the crystals are dried, the finished product of low-glycosylated glucosyl stevioside is obtained. The whole process generates less waste such as sewage, is environmentally friendly, has low equipment maintenance costs, and reduces production costs.

[0016] The outlet of the first concentration tank of the utility model is connected to a filter through a pipeline, and the liquid phase outlet of the filter is connected to the second concentration tank through a pipeline. The supernatant and the filter residue are separated by the filter, and the filter residue can be used as a raw material for manufacturing fertilizers, thereby improving the economic benefits of the process.

[0017] The outlet of the second concentration tank is connected to a suction filtration tank through a pipeline, and the filter cake outlet of the suction filtration tank is connected to the dryer. Through suction filtration, the initial drying and separation of the crude product is achieved, the subsequent drying energy consumption is reduced, and the drying time is shortened.

[0018] The liquid phase outlet of the suction filtration tank is connected to the filtrate tank through a pipeline, and the filtrate can be used again to supplement the solvent in the first concentration tank and the second concentration tank after purification and separation, thereby saving costs.

[0019] The outlet pipe of the acid tank is provided with a first automatic regulating valve, the reaction tank is provided with a pH sensor, and the first automatic regulating valve and the pH sensor are interlocked to a control system. The control system adjusts the opening and closing of the first automatic regulating valve according to the value of the pH sensor, thereby controlling the amount of acid added, so that the pH of the material in the reaction tank is within a suitable range.

[0020] The outlet pipe of the dissolving tank is provided with a first flow sensor, the outlet pipe of the glucosyltransferase tank is provided with a second flow sensor and a second automatic regulating valve, and the first flow sensor, the second flow sensor and the second automatic regulating valve are interlocked to a control system. The control system matches the amount of glucosyltransferase added according to the amount of raw material liquid added displayed by the first flow sensor, and controls the amount of glucosyltransferase added through the second automatic regulating valve and the second flow sensor.

[0021] The outlet of the reaction tank is provided with a third flow sensor, the outlet of the saccharifying enzyme tank is provided with a fourth flow sensor and a third automatic regulating valve, and the third flow sensor, the fourth flow sensor and the third automatic regulating valve are interlocked to a control system. The control system matches the amount of saccharifying enzyme added according to the amount of reaction liquid added displayed by the third flow sensor, and controls the amount of saccharifying enzyme added through the third automatic regulating valve and the fourth flow sensor.

[0022] The dryer is a vacuum dryer, which has better drying effect and shorter drying time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0025] Among them: 1. dissolution tank; 2. stevioside RA97 tank; 3. β-cyclodextrin tank; 4. purified water tank; 5. reaction tank; 6. acid tank; 7. glucosyltransferase tank; 8. enzymolysis tank; 9. saccharifying enzyme tank; 10. first concentration tank; 11. ethanol tank; 12. second concentration tank; 13. methanol tank; 14. dryer; 15. finished product tank; 16. filter; 17. suction tank; 18. filtrate tank; 19. first automatic regulating valve; 20. pH sensor; 21. first flow sensor; 22. second flow sensor; 23. second automatic regulating valve; 24. third flow sensor; 25. fourth flow sensor; 26. third automatic regulating valve. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] like Figure 1As shown, a production device for low-glycosylated glucosyl stevioside comprises a dissolving tank 1, wherein the inlet of the dissolving tank 1 is connected to a stevioside RA97 tank 2, a β-cyclodextrin tank 3 and a purified water tank 4 through pipelines, respectively; the outlet of the dissolving tank 1 is connected to a reaction tank 5 through a pipeline, the inlet of the reaction tank 5 is connected to an acid tank 6 and a glucosyltransferase tank 7 through a pipeline, the outlet of the reaction tank 5 is connected to an enzymolysis tank 8 through a pipeline, the inlet of the enzymolysis tank 8 is connected to a saccharifying enzyme tank 9 through a pipeline, the outlet of the enzymolysis tank 8 is connected to a first concentrating tank 10 through a pipeline, the inlet of the first concentrating tank is connected to an ethanol tank 11 through a pipeline, the outlet of the first concentrating tank 10 is connected to a second concentrating tank 12 through a pipeline, the inlet of the second concentrating tank 12 is connected to a methanol tank 13 through a pipeline, the outlet of the second concentrating tank 12 is connected to a dryer 14 through a pipeline, and the outlet of the dryer 14 is connected to a finished product tank 15 through a pipeline. The raw materials stevioside RA97 and β-cyclodextrin are added to the dissolution tank 1, and then an appropriate amount of purified water is added to heat and dissolve. The obtained raw material liquid is transferred to the reaction tank 5, and acid is added to adjust the pH to about 5.0, and then the glucosyltransferase tank 7 is added, and the enzyme is heated after the reaction to deactivate the enzyme to obtain a reaction solution. After the reaction solution is cooled, saccharifying enzyme is added, and the enzyme is heated after the reaction to deactivate the enzyme to obtain an enzymolysis solution. The enzymolysis solution is put into the first concentration tank 10 for concentration, and then anhydrous ethanol is added. After standing, the supernatant is collected and put into the second concentration tank 12, methanol is added after concentration, and then the temperature is raised and stirred to dissolve, and then the temperature is lowered and crystallized. After the crystals are dried, a low-glycosylated glucosyl stevioside finished product is obtained. The whole process generates less waste such as sewage, is environmentally friendly, has low equipment maintenance costs, and reduces production costs.

[0028] The outlet of the first concentration tank 10 is connected to a filter 16 through a pipeline, and the liquid phase outlet of the filter 16 is connected to the second concentration tank 12 through a pipeline. The supernatant and the filter residue are separated by the filter 16, wherein the filter residue can be used as a raw material for making fertilizers, thereby improving the economic benefits of the process.

[0029] The outlet of the second concentration tank 12 is connected to the suction filtration tank 17 through a pipeline, and the filter cake outlet of the suction filtration tank 17 is connected to the dryer 14. Through suction filtration, the initial drying and separation of the crude product are achieved, the subsequent drying energy consumption is reduced, and the drying time is shortened.

[0030] The liquid phase outlet of the suction filtration tank 17 is connected to the filtrate tank 18 through a pipeline, so that the filtrate can be purified and separated and then used again to supplement the solvent in the first concentration tank 10 and the second concentration tank 12, thereby saving costs.

[0031] The outlet pipe of the acid tank 6 is provided with a first automatic regulating valve 19, and the reaction tank 5 is provided with a pH sensor 20. The first automatic regulating valve 19 and the pH sensor 20 are interlocked to a control system. The control system adjusts the opening and closing of the first automatic regulating valve 19 according to the value of the pH sensor 20, thereby controlling the amount of acid added, so that the pH of the material in the reaction tank 5 is within a suitable range.

[0032] The outlet pipe of the dissolving tank 1 is provided with a first flow sensor 21, and the outlet pipe of the glucosyltransferase tank 7 is provided with a second flow sensor 22 and a second automatic regulating valve 23. The first flow sensor 21, the second flow sensor 22 and the second automatic regulating valve 23 are interlocked to the control system. The control system matches the amount of glucosyltransferase added according to the amount of raw material liquid added displayed by the first flow sensor 21, and controls the amount of glucosyltransferase added through the second automatic regulating valve 23 and the second flow sensor 22.

[0033] The outlet of the reaction tank 5 is provided with a third flow sensor 24, and the outlet of the saccharifying enzyme tank 9 is provided with a fourth flow sensor 25 and a third automatic regulating valve 26. The third flow sensor 24, the fourth flow sensor 25 and the third automatic regulating valve 26 are interlocked to the control system. The control system matches the amount of saccharifying enzyme added according to the amount of reaction liquid added displayed by the third flow sensor 24, and controls the amount of saccharifying enzyme added through the third automatic regulating valve 26 and the fourth flow sensor 25.

[0034] The dryer 14 is a vacuum dryer 14, which has better drying effect and shorter drying time.

[0035] It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to this application.

Claims

1. A production device for low-glycosylated glucosyl steviol glycoside, characterized in that: The invention comprises a dissolving tank, wherein the inlet of the dissolving tank is connected to a stevioside RA97 tank, a β-cyclodextrin tank and a purified water tank through pipelines, the outlet of the dissolving tank is connected to a reaction tank through a pipeline, the inlet of the reaction tank is connected to an acid tank and a glucosyltransferase tank through a pipeline, the outlet of the reaction tank is connected to an enzymolysis tank through a pipeline, the inlet of the enzymolysis tank is connected to a saccharifying enzyme tank through a pipeline, the outlet of the enzymolysis tank is connected to a first concentrating tank through a pipeline, the inlet of the first concentrating tank is connected to an ethanol tank through a pipeline, the outlet of the first concentrating tank is connected to a second concentrating tank through a pipeline, the inlet of the second concentrating tank is connected to a methanol tank through a pipeline, the outlet of the second concentrating tank is connected to a dryer through a pipeline, and the outlet of the dryer is connected to a finished product tank through a pipeline.

2. The production device of low-glycosylated glucosyl steviol glycoside according to claim 1, characterized in that: The outlet of the first concentration tank is connected to a filter through a pipeline, and the liquid phase outlet of the filter is connected to the second concentration tank through a pipeline.

3. The production device of low-glycosylated glucosyl steviol glycoside according to claim 1, characterized in that: The outlet of the second concentration tank is connected to a suction filtration tank through a pipeline, and the filter cake outlet of the suction filtration tank is connected to the dryer.

4. The production device of low-glycosylated glucosyl steviol glycoside according to claim 3, characterized in that: The liquid phase outlet of the suction filtration tank is connected with a filtrate tank through a pipeline.

5. The production device of low-glycosylated glucosyl steviol glycoside according to claim 1, characterized in that: A first automatic regulating valve is arranged on the outlet pipeline of the acid liquid tank, a pH sensor is arranged in the reaction tank, and the first automatic regulating valve and the pH sensor are interlocked to a control system.

6. The production device of low-glycosylated glucosyl steviol glycoside according to claim 1, characterized in that: A first flow sensor is disposed on the outlet pipe of the dissolution tank, and a second flow sensor and a second automatic regulating valve are disposed on the outlet pipe of the glucosyltransferase tank. The first flow sensor, the second flow sensor and the second automatic regulating valve are interlocked to a control system.

7. The production device of low-glycosylated glucosyl steviol glycoside according to claim 1, characterized in that: The outlet of the reaction tank is provided with a third flow sensor, the outlet of the saccharifying enzyme tank is provided with a fourth flow sensor and a third automatic regulating valve, and the third flow sensor, the fourth flow sensor and the third automatic regulating valve are interlocked to a control system.

8. The production device of low-glycosylated glucosyl steviol glycoside according to claim 1, characterized in that: The dryer is a vacuum dryer.

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