Functions of Different Parts of a Rice Milling Machine

A rice milling device is designed to remove all impurities found in rice and removes husks and bran layers in rice.

This article focuses on highlighting or providing the functions of different parts of the rice milling device to understand how the machine works easily.

The rice milling machine, like other machines, is composed of different parts that function hand in hand as a whole system to make the processing work a success. With the rise of population in the current world, people have loved rice, which is being consumed daily. This rise means increased demand for rice, and one has to know to purchase one machine.

The machinery required for the successful milling of rice includes:

The Destoner

The main purpose of this machinery is to remove and separate stones from the grains. Majorly, raw grain products usually are filled with a lot of impurities. Stone impurities are removed in this part of the machinery. The destoner is the next machinery rice grains go into after passing through a primary sieve separating sand and stone particles from the paddy.

It is also comprised of a secondary sieve, which helps further segregation. With the help of a fan, the airflow blows away the light materials from the paddy and discharges the heavy debris from the sieve into the next machinery for further processing.

Paddy Husker

As its name states, its main function is removing husks from the product. Through the use of feeds, the paddy is introduced into the husker, where the husk is separated from the main product. This machinery has rubber rolls that help in this whole process of separation, and the end product is passed through a chamber into the next machinery.

The paddy separator

The function of this machinery in the rice milling machine is to remove and separate fine contaminants from the stock paddles. This machinery is very important in any milling plant because even after the paddy goes through the machinery, some remnants and fine contaminants remain in the rice. With the help of this machinery, it is eliminated. However, it requires a lot of maintenance.

Thickness Grader

Here, the rice grain is sorted according to size and thickness. This machinery has a heavy task of grouping the grains according to their size and thickness because not all grains are of the same size when raw. Guess you have been wondering why some grains are bigger than the other and are always on different packages, and then this machine solves and answers your questions.

In addition, thickness grader machinery can be used in various products, not only rice grains. It can also be used for grains like maize and even beans. This machine does extraordinary work of grouping identical grains of the same size, that is, thickness.

Abrasive whitening

This is the final machinery in the milling machine. This procedure is important because this is where the rice grains are finally polished to give them the shining white look. This abrasive whitening machine polishes the rice and gives it a new colour which we purchase in the market, but there are also brown rice grains in the market which are not passed through this machinery.


The major parts of the rice milling device have different functions, but they all work hand in hand to achieve a better product ready for consumption. The parts discussed are also the steps on how rice is processed in the order.

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