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  • PRODUCT

    Glucose production line

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    Medical Glucose Production Line

    • PromulgatoYunhao
    • Time2017-10-26
    • Click

        1Preparation for starch milk:  Refined starch from plant starch was dissolved into the water tank to be  adjusted to 1920Be,then adding Na2CO3 to adjust the PH to 5.46.0, and adding α-amylase  to be ready for liquefaction.

        2. LiquefactionPut the starch milk prepared to the 1st injector and inject steam directly to the starch milk. Make the temperature rise to 110 quickly. After entering the 1st flash evaporator, lower the temperature to 98 and keep it for a certain time. The material, after initial hydrolysis, is with a lower viscidity. The material is then put into the 2nd injector by the pump, its temperature reaching 135 quickly, then it gets to the 2nd flash evaporator. The temperature in the 2nd flash evaporator declines to 95. The DE volume of the material would be between 15 and 20 after its staying in the tubular reactor for 90-120 minutes.

        3. Saccharification Put hydrochloric acid into the material after liquefaction and make the PH volume to 4.0-4.5, while lowering the temperature from 90 to 60. Add glucoamylase into it and keep stirring at that temperature. DE value will be greater than or equal 97 after the saccharification period will take 48 to 60 hours.

        4. RefiningAfter refining, impurities, protein, fat, pigment, and edible salt are removed from the saccharification liquid. The material should now first be put into the vacuum filter. The best temperature for filtration is 70 to 85. The insoluble protein and fat is separated and the clear and slightly colored saccharification liquid comes into being. The next section is charcoal absorption which further separates the insoluble protein and pigment. Keep adding in active carbon at the temperature between 75 and 85 in order to make the material have enough contact with active carbon. Then put the material into filter to separate carbon from it. Another round of check and filtration is needed to make sure there is no more carbon.

        5. Ion exchangeAfter filtration, amino acid and Inorganic salts are separated from the saccharification liquid. The temperature of the material should be lowered to 48~50 to take ion exchange, firstly cation exchange column resin, and secondly anion-exchange column resin. During cation exchange column, Na, Fe, Ca, Cu and a part of amino acid are separated, and during anion-exchange column, chloride, sulfate, phosphate, and most of the soluble amino acid can be taken off, which makes the refined saccharification liquid come into being.

        6. Concentration:  After purification DS of liquid sugar is about 30%, the liquid sugar is into the falling film evaporator to concentrate after adjusting the PH value, the concentration of concentrated sugar is 70 ~ 75%

        7. Crystallization: The concentrated sugar solution was cooled to 45 and was pumped into the crystallizer of glucose. The crystallizer is a special equipment, the crystallization process is automatic control, material in the crystallizer slowly dropped to 26 , the material is discharged after 60 hours of continuous crystallization.

        8. Separation: After crystallization massecuite is centrifuged and the crystals is separated from the mother liquor,  the separation machine is automatic speed. To ensure the purity of the crystals, it is washed twice with pure water

        9.  Dissolve sugar: The crystals from the centrifuge is transported to dissolve tank by the screw conveyor, the second mother liquor and purified water (RO water) is mixed, the quantity of mother liquor and purified water is added in tank is adjusted automatically by the material density.

        10. Bleaching filter: The purpose of the second decolorization is to remove colored substances, and further reduce pyrogens and increasing filtration rate of material.

    Material is into the bleaching tank, charcoal machine with a continuous quantitative output added powdered activated carbon in tank, bleaching time is 30 minutes, then with frame filter for first filtering and check the filter, to ensure the quality of the filtrate, the filtrate passes through two precision filter.

        11. Boiling sugar and Crystallization: Fine materials were filtered into pans, the materials crystallized in four vacuum pans, the massecuite is placed into centrifuge.

        12. Second separation: Massecuite from pans containing includes anhydrous glucose crystals and mother liquor, it is separated by two sets basket centrifuge. Mother liquor and wash water is collected in a buffer tank, anhydrous glucose crystals is fed the corresponding drying and packaging processes.

        13. Drying, package: The moisture of material from the centrifuge is about 2 to 3%, it is reach at 0.05 to 0.3% after drying. There is two production lines in the process.

        Glucose crystals is transported to backmixing bed dryer, then is transported to vibration fluidized bed to cool. The material is transported to the silo by rotary valve and then is transported to a packaging system by conveyor. Oversize material is crushed by the mill, then is returned vibration fluidized bed

        Glucose powder in backmixing bed dryer and vibration fluidized bed is transported to the cyclone, bag filters for dust removal processing.

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