Gelatin separation and purification system

Abstract

The invention discloses a gelatin separation and purification system, which comprises a tank, a balance structure, a heat exchanger, a collection tank and a ceramic membrane treater. The collection tank is arranged at a gelatin liquid outlet end of the ceramic membrane treater; the tank, the balance structure, the collection tank and the heat exchanger are in sequential connection, a gelatin liquid outlet of the heat exchanger is connected with a gelatin liquid inlet of the ceramic membrane treater and a gelatin liquid inlet of the tank, and the ceramic membrane treater and the tank are in parallel connection; the tank, the balance structure, the collection tank and the heat exchanger form a first separation and purification circulating system; the ceramic membrane treater, the collectiontank and the heat exchanger form a second separation and purification circulating system. By the first separation and purification system, bone impurities can be separated, and gelatin purity is improved; by the second separation and purification system, heavy metal ions in gelatin are separated, and gelatin is further purified; by cooperative circulating utilization of the two gelatin system, gelatin extraction purity is further guaranteed.

Description

technical field [0001] The invention relates to the field of gelatin production, in particular to a gelatin separation and purification system. Background technique [0002] Gelatin is a heterogeneous polypeptide mixture, which is made from animal skin and bone through more than a dozen processes such as classification, washing, degreasing, neutralization, hydrolysis, filtration, concentration, gelation, drying, and crushing. , as an odorless, translucent, hard flake, granule or powder. Currently used gelatin preparation processes include alkali method, acid method and enzymatic method, and gelatin manufacturers generally use lime milk method and hydrochloric acid method for gelatin production. In the process of making glue, it will involve the process of boiling glue. Boiling glue is to put the raw materials and water together in a pot to heat, so that the collagen dissolves in water to form a glue solution. After the glue solution is processed in multiple processes, the f...

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Problems solved by technology

[0003] However, in the process of boiling the glue, as the number of times the glue is boiled by circulating water increases, a large amount of bone residue impurities will accumulate in the glue, and some heavy metal ions will be mixed into the glue after long-term boiling, resulting in slow glue production. The quality will also become worse and worse, resulting in poor quality of finished gelatin; furthermore, at present, a heating structure is usually installed on the outer wall of the glue tank to control the temperature of the glue, but the temperature of the glue in the process of the glue boiling system is not good. Control, setting a heating structure on the outer wall of the tank will easily cause uneven temperature inside the tank, especially the lower temperature in the middle of the tank, resulting in incomplete extraction of gelatin and poor quality. At the same time, in order to ensure complete extraction of gelatin, the outer wall of the tank needs to be fully heating, a huge waste of resources

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