Three granulation equipment guarantee granulation quality in the pharmaceutical and food industry
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According to a skilled worker, granulating equipment is usually composed of feeding, stirring, granulating, transmission, deceleration and lubrication systems, and is widely used in food and pharmaceutical industries. In the regranulation process, there are certain requirements for the water content of the mixture and the amount of oil added. The water content of the mixture is generally not more than 15%, and if it is necessary to add molasses or fat, the amount of oil added * does not exceed 3%, which is advantageous for pellet formation.
Granulation by granulating equipment not only makes material transportation more convenient and economical, but also reduces storage capacity and saves transportation costs. At the same time, the material granulation has good fluidity, reduces the occurrence of adhesion, and guarantees the overall quality of the product to a certain extent. In addition, the material is granulated, and the method of tempering by steam high-temperature quenching and tempering is beneficial to killing bacteria and microorganisms in the raw materials, prolonging the shelf life of the product, and ensuring food safety.
Due to the variety of granulating equipment on the market, users need to understand the working principle and application range of these equipments to ensure that the equipment works normally, in order to achieve better granulation effect.
First of all, the dry granulator is to mix the powdery raw materials and auxiliary materials into a dry powder mixing machine, and then transfer them into a dry granulator to press them into a sheet shape, which is crushed by a crushing box and then enters the whole box. The granules make the flaky material into granules.
The dry granulator is especially suitable for granulation of materials that are easily decomposed by moisture, easy to absorb moisture, sensitive to heat, and the particles can be used for densification to improve fluidity, tablet tableting, filling capsules, and granule bagging. If the food processing enterprise produces convenience foods, granules for dairy products, health foods, granules for seasonings and spicy seasonings, granules for snacks, etc., a dry granulator can be used to ensure granulation quality.
For the wet granulator, the machine can grind the wet powder raw material into granules through the sieve, or pulverize the dry dry material to the desired granules, and can also be widely used as pulverized and pressed into a block shape. Become a ready-made particle. However, the device is not suitable for use in solids, fluids, slurries or grinds. It is worth mentioning that, compared with the dry granulator, the wet granulator needs to add a binder (water, starch, etc.) and also needs to be dried. It is often used in granules, such as beverage granules, jumping granules, Chinese medicine granules, and the like.
The boiling granulator is mainly due to the continuous drying of the hot air to the material, so that the water in the pellets evaporates and the sticking agent solidifies. This process is repeated repeatedly to form ideal and uniform microporous spherical particles. The machine is a one-time granulator that combines mixing, granulating and drying in one and the same closed container. Because the device is sealed and granulated to prevent contamination from contact with the outside world, it is more suitable for milk powder, coffee, cocoa, granule juice and the like.
In summary, when using granulation equipment for granulation, users need to use suitable granulation equipment according to the needs of food processing technology and the characteristics of the product itself. For example, the dry granulator is more inclined to granulate materials that are easily decomposed by moisture, easy to absorb moisture, and sensitive to heat; the wet granulator is more suitable for granulating wet powder raw materials.
The boiling granulator is more suitable for products with very high quality requirements. To this end, users should understand the principle and application scope of the granulation equipment, so that the equipment can better play its role and ensure the granulation quality.