Crystallization process for glucose production

Abstract

A crystallization process for glucose production features several horizontal crystallizers connected serially for continuous feeding, continuous crystallization and continuous discharging. The stable continuous operation of the crystallization process is maintained by controlling the material inlet temperature, discharging temperature and other several main parameters. Compared with the traditional crystallization process, the present invention has the advantages of low investment in equipment, high production efficiency, continuous stable operation of crystallization process, high product quality and high yield of crystallized glucose.

Description

(1) Technical field [0001] The invention belongs to a glucose production method, in particular to a crystallization method in the glucose production process. (2) Technical background [0002] Crystalline glucose is generally made of starch, which is processed through starch slurrying, liquefaction, saccharification, slag removal, decolorization, separation, crystallization, separation, and drying. It is an important raw material in food processing, pharmaceutical products, industrial fermentation and other industries. [0003] The crystallization methods in the traditional glucose production process in my country all adopt single-tank crystallization, intermittent operation, and the crystallization process cycle is long. Generally, the operation cycle of a single tank is about 70 hours, and the output can only reach 2 / 3 of the tank capacity, and the remaining 1 / 3 should be reserved as a seed crystal, the production efficiency is low, and the equipment utilization rate is po...

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Problems solved by technology

[0003] The crystallization methods in the traditional glucose production process in my country all adopt single-tank crystallization, intermittent operation, and the crystallization process cycle is long. Generally, the operation cycle of a single tank is about 70 hours, and the output can only reach 2 / 3 of the tank capacity, and the remaining 1 / 3 should be reserved as seed crystals, the production efficiency is low, and the utilization rate of equipment is poor

During this single-tank batch operation process, the heat exchange is not uniform, the control of the cooling process is unstable, and problems such as small crystal grains, slow nucleation, and soft grains are prone to occur, which directly affect the quality of the final product. Although the foreign chemical industry has advanced crystallization However, due to the complex structure of the equipment, high cost, difficult operation and low crystallization yield, it is not suitable for manufacturers in my country who process glucose from agricultural products.

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