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Bean pulp hydrolysis technology

A soybean meal and process technology, applied in the field of soybean meal hydrolysis technology based on graphite reaction kettle, can solve the problems of lack of suitable, enamel reaction kettle is easy to collapse, and the hydrolysis process is long, so as to reduce production costs, reduce damage and return to the factory, improve Effect of acid production rate

Inactive Publication Date: 2013-12-11
长治市金泽生物工程有限公司
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Problems solved by technology

[0003] Due to factors such as long hydrolysis process, high energy consumption, high cost, no suitable material for hydrolysis reactor, and high cost, no manufacturers have dared to use it for lysine production.
In addition, the original lysine manufacturers all used enamel reactors, but the enamel reactors were prone to collapse and short life, which led to domestic lysine fermentation manufacturers only using corn steep liquor to produce lysine

Method used

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  • Bean pulp hydrolysis technology

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Embodiment Construction

[0014] Introduce detailed technical scheme of the present invention below in conjunction with accompanying drawing:

[0015] Such as figure 1 As shown, the equipment used in the soybean meal hydrolysis process includes guide rail 1, soybean meal bucket 2, sulfuric acid pump 3, graphite reactor 4, soybean meal hydrolyzate pump 5, and cooler 6. The soybean meal is installed in the soybean meal bucket, and the soybean meal bucket adopts electric The gourd is hoisted on the guide rail. The process includes the following steps: First, add water and 98% concentrated sulfuric acid into the graphite reactor according to the proportion and stir evenly, and set the temperature of the mixture of water and sulfuric acid to 90°C; then, according to the proportion Add bean curds to the graphite reactor at one time, heat to 95°C and keep for two hours; after that, add bean curds to the graphite reactor for the second time according to the proportion, heat to 116°C, and keep for 22 hours to f...

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Abstract

The invention discloses a bean pulp hydrolysis technology which comprises the steps that water and concentrated sulfuric acid are added to a graphite reaction kettle proportionally and stirred uniformly; the temperature of water and sulfuric acid mixed liquid is set; bean pulp is added to the graphite reaction kettle proportionally for the first time, heated and maintained; then the bean pulp is added to the graphite reaction kettle proportionally for the second time, heated and maintained to form bean pulp hydrolysate; and finally, the bean pulp hydrolysate is conveyed to a cooler by a bean pulp hydrolysate pump and cooled to accomplish bean pulp hydrolysis. The bean pulp hydrolysis technology increases an acid production rate of lysine fermentation in China at present, lowers the production cost overall, and greatly reduces a situation that the existing equipment is damaged in a short time and returned to a factory.

Description

technical field [0001] The invention and the soybean meal hydrolysis process are specifically a soybean meal hydrolysis process based on a graphite reactor. Background technique [0002] Lysine is a diamino basic amino acid, and lysine is one of the essential amino acids for the human body, which can promote human development, enhance immune function, and improve the function of central nervous tissue. In microbial cells, nitrogen is the main element that constitutes cell protein and nucleic acid. Protein and nucleic acid are the main parts of microbial protoplasm, and nitrogen is also a component of lysine. During the lysine fermentation process, nitrogen needs to be added to provide nitrogen sources for the bacteria. The nitrogen sources added during the normal lysine fermentation process include inorganic nitrogen sources and organic nitrogen sources. For organic nitrogen sources, the current domestic lysine production Manufacturers mostly use corn steep liquor, which do...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P13/08
Inventor 徐建凯王炳德李士军王鹏飞
Owner 长治市金泽生物工程有限公司
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