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The principle of a batch homogenizer

April 4, 2013

Homogenizing equipment has become the need of the hour with the ever increasing demand for the products they help manufacture. These products include cosmetic, pharmaceutical and food items of day to day use, such as creams, gels, shampoos, toothpaste, ointments and so on. These items, also known as emulsions or suspensions, are manufactured in bulk and thus there is the need to be able to create large volumes or batches of emulsions at a time. The industrial setup usually employed for this purpose is known as a homogenizer, and the one used for large scale and continuous batch production is referred to as a batch homogenizer.

The principle of a homogenizer is based on shear force or high pressure under which the individual ingredient particles are agitated and ultimately dispersed in the required medium to achieve a consistent homogeneous suspension. The homogenizer uses a stator and rotor system that is coupled in a claw mechanism. The parent ingredients are simultaneously pulled into the mixing container from both sides at the same time for maximum probability of shearing. This makes it possible to attain a uniform size of particles throughout the mix, and thus a highly efficient and fine consistency emulsion.

The powerful rotor system is able to pump solid particles and highly viscous liquids as well, thus offering high flexibility in design, making the machine suitable for the manufacture of the complete range of medical, cosmetic and food products. It is suited to both vacuum operated and pressure operated varieties of emulsifying machines, and the special aluminium silicate coated stainless steel used as the shaft material customizes the degree of precision required and effectively prolongs the life of the machine.

The capacity of the batch homogenizer is measured by calculating the equivalent volume of water that it can contain at a time. The processing capacity is dependent on the viscosity of the liquid base and the amount of solid particles present in the ingredients of the mix. Being easy to clean makes it a low maintenance machine, and the presence of pre-programmed as well as customizable presets makes it a smart and labour reducing system. The homogenizer therefore adds up to be quite a profitable return on a substantial initial investment, mostly owing to the fact that the products it creates have a global demand that will only continue to rise with the ever growing needs and wants of the masses.

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