Operation technology of glucose crystal

An operation process and glucose technology, applied in the directions of glucose production, sugar production, sugar production, etc., can solve the problems of increased workload and production cost, consumption of many crystal seeds, uneven crystallization, etc., so as to improve the crystallization effect and reduce the Production cost, uniform crystallization effect

Inactive Publication Date: 2005-01-05
MAOMING COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are problems such as uneven crystallization, broken crystals and pseudocrystals are easy to form; in addition, too many seeds are consumed, which increases the workload and production costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Open the feed valve of the crystallization tank and inject 5m 3 Syrup, close the valve; start stirring, pour 200kg of seed crystals, pass circulating water in the jacket to maintain the temperature at 46°C, add 3L of saturated aqueous solution of sodium pyrosulfite, and grow crystals for 12 hours; then open the valve and inject 5m 3 The syrup is poured into 200kg seed crystals, the jacket water is kept at 45°C, and the crystals are grown for 12 hours. Finally, the crystallizer is filled, the temperature is naturally lowered to 44°C, and the cooling crystallization is started according to the crystallization curve.

Embodiment 2

[0016] Open the feeding valve of the crystallizer and inject 6m 3 Syrup, close the valve; start stirring, pour 250kg of seed crystals, pass circulating water in the jacket to maintain the temperature at 45°C, add 4L of saturated aqueous solution of sodium metabisulfite, and grow crystals for 12 hours; then open the valve and inject 6m 3 Syrup is poured into 250kg seed crystals, the jacket water is kept at 45°C, the jacket water is kept at 44°C, and the crystal is grown for 12 hours. Finally, the crystallizer is filled, the temperature is naturally lowered to 42°C, and crystallization is started according to the crystallization curve.

Embodiment 3

[0018] Open the feed valve of the crystallizer and inject 5m 3 Syrup, close the valve; start stirring, pour 250kg seed crystals, pass circulating water in the jacket to keep the temperature at 46°C, add 3L saturated aqueous solution of sodium pyrosulfite, and grow crystals for 12 hours; then open the valve, inject 5m 3 Syrup is poured into 250kg seed crystals, the jacket water is kept at 45°C, and the crystals are grown for 12 hours. Finally, the crystallizer is filled, the temperature is naturally lowered to 44°C, and the cooling crystallization is started according to the crystallization curve.

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PUM

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Abstract

The invention is a glucose crystallization operating process, and its character: it adopts step crystal growth, step by step, pours the syrup made by liquefying, saccharifying, refining and concentrating in a crystallizing kettle with a stirrer and corresponding adds in crystal seeds, preserves the heat and grows the crystals in each step, and controls to lower the temperature according to the crystallization curve to crystallize. It can make uniform crystallization, uneasy to form broken crystals and false crystals, thus enhancing the crystallizing effect, largely saving the crystal seeds, reducing the production cost and providing a feasible way for producing alpha-glucose monohydrate.

Description

technical field [0001] The invention relates to a glucose production method, in particular to a crystallization monohydrate α-glucose crystallization process. Background technique [0002] Glucose is pentahydroxyhexanal obtained by hydrolysis of starch. Because of its delicious sweetness and rich medicinal and nutritional value, it has long been accepted by people and is widely used in food, medicine and other fields. [0003] The industrial production of glucose needs to go through processes such as liquefaction, saccharification, refining, concentration, crystallization, separation, drying and packaging. The crystallization process is the process of separating glucose monohydrate crystals from the syrup obtained from the above concentration process. From the crystallization curve shown in the crystal phase diagram of glucose, it can be seen that in the saturated state, glucose in the solid phase exists in different isomers with different temperatures. Below 50°C is α-gluc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C13K1/10
Inventor 李春海
Owner MAOMING COLLEGE
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