Deacidification device for monosaccharide production

Abstract

The utility model discloses a deacidification device for monosaccharide production, which comprises a front deacidification tank, an electrodialyzer, an electrode liquid storage tank, a rear deacidification tank and an acid liquid tank, the electrodialyzer is provided with a first electrode plate, a first electrode chamber, a first electrode column, an anion exchange membrane, a desalination chamber, a cation exchange membrane, an acidification chamber, a second electrode plate, a second electrode chamber and a second electrode column, an electrode liquid storage tank discharging port is formed in the lower portion of the electrode liquid storage tank, and the acid removal rear tank is provided with a second motor, a second stirring paddle and an acid removal rear tank feeding port. An acid liquor tank feeding hole is formed in the upper part of the acid liquor tank. The device has a good deacidification effect, is particularly suitable for deacidification of acid-hydrolyzed materials in monosaccharide production, can avoid the use of alkali and the treatment of solid wastes generated after acid-alkali neutralization compared with the traditional alkali neutralization, has higher economic value, and also avoids the pollution of the solid wastes to the environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of acid removal device, especially the field of acid removal device for monosaccharide production. BACKGROUND

[0002] Sugar is the food source for human survival, is also the plant structure material, and is the main component of many animal shells. Sugar is divided into monosaccharide and polysaccharide, monosaccharide is sugar that cannot be hydrolyzed, is the basic unit of molecules constituting various polysaccharides. The familiar glucose is monosaccharide, and common monosaccharides also include fructose, galactose, ribose, deoxyribose, arabinose and mannose. In the industrialized production of monosaccharide, the acid in the monosaccharide solution usually needs to be removed, and the traditional acid removal method is to add alkali for neutralization reaction, and then filter the reaction product to remove it, so a large amount of alkali needs to be used, and the solid after acid-base neutralization needs to be treated, which increases the material cost, causes adverse effects on the ecological environment, and reduces the work efficiency. Therefore, the utility model provides an acid removal device for monosaccharide production to solve the problems in the prior art. SUMMARY

[0003] In view of the above problems, the utility model aims at providing an acid removal device for monosaccharide production, which avoids the use of alkali and the treatment of solid waste after acid-base neutralization.

[0004] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: an acid removal device for monosaccharide production, which comprises a pre-acid removal tank, an electrodialysis device, an electrode liquid storage tank, a post-acid removal tank and an acid liquid tank, the pre-acid removal tank is provided with a first motor, a first stirring paddle and a pre-acid removal tank discharge port, the electrodialysis device is provided with a first electrode plate, a first electrode chamber, a first electrode column, an anion exchange membrane, a dilution chamber, a cation exchange membrane, an acidification chamber, a second electrode plate, a second electrode chamber and a second electrode column, the lower part of the electrode liquid storage tank is provided with an electrode liquid storage tank discharge port, the post-acid removal tank is provided with a second motor, a second stirring paddle and a post-acid removal tank feed port, and the upper part of the acid liquid tank is provided with an acid liquid tank feed port.

[0005] Further improvement lies in that a material output pipeline is arranged between the pre-acid removal tank and the electrodialysis device, a first valve, a first booster pump, a first flow meter and a first pH meter are arranged on the material output pipeline.

[0006] Further improvement lies in that an electrode liquid output pipeline is arranged between the electrode liquid storage tank and the electrodialysis device, a second valve and a second booster pump are arranged on the electrode liquid output pipeline.

[0007] Further improvement lies in that a material input pipeline is arranged between the post-acid removal tank and the electrodialysis device, a third valve, a first pressure gauge, a second pH meter and a second flow meter are arranged on the material input pipeline.

[0008] Further improvement lies in that the acid liquid tank and the electrodialyzer are provided with an acid liquid input pipeline, and the acid liquid input pipeline is provided with a fourth valve, a second pressure gauge, a third PH meter and a third flow meter.

[0009] The acid removal device has the advantages that the acid in the sugar liquid can be removed and collected, the device is reasonable in design and easy to operate, the use of alkali for neutralizing the acid can be avoided, the treatment of solid waste generated after the neutralization of the acid and the alkali is avoided, the device has high economic value, and the pollution of the solid waste to the environment is also avoided. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further explained in connection with the drawings and embodiments.

[0011] Figure 1 It is a kind of acid removal device structure schematic view for monosaccharide production.

[0012] Wherein: 1, acid removal front tank;2, first motor;3, first stirring paddle;4, acid removal front tank discharge port;5, material output pipeline;6, first valve;7, first booster pump;8, first flow meter;9, first PH meter;10, electrodialyzer;11, first electrode plate;12, first electrode chamber;13, first electrode column;14, anion exchange membrane;15, dilution chamber;16, cation exchange membrane;17, acidification chamber;18, second electrode plate;19, second electrode chamber;20, second electrode column;21, electrode liquid storage tank;22, electrode liquid storage tank discharge port;23, electrode liquid output pipeline;24, second valve;25, second booster pump;26, acid removal rear tank;27, second motor;28, second stirring paddle;29, acid removal rear tank feed inlet;30, material input pipeline;31, third valve;32, first pressure gauge;33, second PH meter;34, second flow meter;35, acid liquid tank;36, acid liquid tank feed inlet;37, acid liquid input pipeline;38, fourth valve;39, second pressure gauge;40, third PH meter;41, third flow meter. DETAILED DESCRIPTION

[0013] In order to deepen the understanding of the utility model, the utility model will be further described in connection with embodiments, and the present embodiment is only used to explain the utility model, and does not constitute the limitation of the protection scope of the utility model.

[0014] According to Figure 1As shown, the embodiment provides an acid removal device for monosaccharide production, which comprises an acid removal front tank 1, an electrodialyzer 10, an electrode liquid storage tank 21, an acid removal post tank 26 and an acid liquid tank 35. The acid removal front tank 1 is provided with a first motor 2, a first stirring paddle 3 and an acid removal front tank discharge port 4. The electrodialyzer 10 is provided with a first electrode plate 11, a first electrode chamber 12, a first electrode column 13, an anion exchange membrane 14, a dilution chamber 15, a cation exchange membrane 16, an acidification chamber 17, a second electrode plate 18, a second electrode chamber 19, a second electrode column 20. The electrode liquid storage tank 21 is provided with an electrode liquid storage tank discharge port 22 at the lower part. The acid removal post tank 26 is provided with a second motor 27, a second stirring paddle 28 and an acid removal post tank feed port 29. The acid liquid tank 35 is provided with an acid liquid tank feed port 36 at the upper part.

[0015] A material output pipeline 5 is arranged between the acid removal front tank 1 and the electrodialyzer 10, and the material output pipeline 5 is provided with a first valve 6, a first booster pump 7, a first flow meter 8 and a first pH meter 9.

[0016] An electrode liquid output pipeline 23 is arranged between the electrode liquid storage tank 21 and the electrodialyzer 10, and the electrode liquid output pipeline 23 is provided with a second valve 24 and a second booster pump 25.

[0017] A material input pipeline 30 is arranged between the acid removal post tank 26 and the electrodialyzer 10, and the material input pipeline 30 is provided with a third valve 31, a first pressure gauge 32, a second pH meter 33 and a second flow meter 34.

[0018] An acid liquid input pipeline 37 is arranged between the acid liquid tank 35 and the electrodialyzer 10, and the acid liquid input pipeline 37 is provided with a fourth valve 38, a second pressure gauge 39, a third pH meter 40 and a third flow meter 41.

[0019] The electrodialyzer 10 comprises two or more groups of ion exchange membranes, each group of ion exchange membranes comprising an anion exchange membrane 14 and a cation exchange membrane 16, and the anion exchange membranes 14 and the cation exchange membranes 16 are arranged alternately.

[0020] In the operation, the power is supplied to the electrodialyzer 10, the second valve 24 and the second booster pump 25 are opened, the electrode solution is fed from the electrode solution storage tank 21 to the first electrode chamber 12 and the second electrode chamber 19 of the electrodialyzer 10 through the electrode solution outlet pipeline 23. The water inlet valve at the lower part of the acidification chamber 17 of the electrodialyzer 10 is opened, and the purified water is fed to the acidification chamber 17. The first motor 2, the first stirring paddle 3, the first valve 6 and the first booster pump 7 are opened, and the material to be deacidified is fed from the pre-deacidification tank 1 to the dilution chamber 15 of the electrodialyzer 10 through the material outlet pipeline 5. The second motor 27, the second stirring paddle 28 and the third valve 31 are opened, and the material after deacidification is fed from the dilution chamber 15 to the post-deacidification tank 26 through the material inlet pipeline 30. The fourth valve 38 is opened, and the acid solution is fed from the first electrode chamber 12, the second electrode chamber 19 and the acidification chamber 17 to the acid solution tank 35. The values of the flow meter, the pH meter and the pressure gauge are observed and recorded during the operation.

[0021] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A deacidification apparatus for monosaccharide production, characterized by: The application relates to a device for removing acid from a material, which comprises a pre-acid-removal tank (1), an electrodialyzer (10), an electrode liquid storage tank (21), a post-acid-removal tank (26) and an acid liquid tank (35), wherein the pre-acid-removal tank (1) is provided with a first motor (2), a first stirring paddle (3) and a pre-acid-removal tank discharge port (4), the electrodialyzer (10) is provided with a first electrode plate (11), a first electrode chamber (12), a first electrode column (13), an anion exchange film (14), a dilution chamber (15), a cation exchange film (16), an acidification chamber (17), a second electrode plate (18), a second electrode chamber (19), a second electrode column (20), the electrode liquid storage tank (21) is provided with an electrode liquid storage tank discharge port (22) at the lower part, the post-acid-removal tank (26) is provided with a second motor (27), a second stirring paddle (28) and a post-acid-removal tank feed port (29), and the acid liquid tank (35) is provided with an acid liquid tank feed port (36) at the upper part.

2. The acid removal device for monosaccharide production according to claim 1, characterized in that: A material output pipeline (5) is arranged between the pre-acid-removal tank (1) and the electrodialyzer (10), and the material output pipeline (5) is provided with a first valve (6), a first booster pump (7), a first flowmeter (8) and a first PH meter (9).

3. The acid removal device for monosaccharide production according to claim 1, characterized in that: An electrode liquid output pipeline (23) is arranged between the electrode liquid storage tank (21) and the electrodialyzer (10), and the electrode liquid output pipeline (23) is provided with a second valve (24) and a second booster pump (25).

4. The acid removal device for monosaccharide production according to claim 1, characterized in that: A material input pipeline (30) is arranged between the post-acid-removal tank (26) and the electrodialyzer (10), and the material input pipeline (30) is provided with a third valve (31), a first pressure gauge (32), a second PH meter (33) and a second flowmeter (34).

5. The acid removal device for monosaccharide production according to claim 1, characterized in that: An acid liquid input pipeline (37) is arranged between the acid liquid tank (35) and the electrodialyzer (10), and the acid liquid input pipeline (37) is provided with a fourth valve (38), a second pressure gauge (39), a third PH meter (40) and a third flowmeter (41).

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