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Paddy Huller

Views: 162     Author: Site Editor     Publish Time: 2023-09-25      Origin: Site

Paddy Huller

A paddy huller, also known as a rice huller or rice husker, is a machine used in the rice milling industry to remove the outer husk or hull from rice grains, leaving the edible rice kernel or rice grain intact. This process is an essential step in rice processing, as the husk is inedible and needs to be separated from the rice grain to make it suitable for consumption. Here's how a paddy huller works and its significance:


  1. Feeding: The process begins with unprocessed paddy rice being fed into the machine.

  2. Hulling: Inside the paddy huller, the rice grains are subjected to mechanical or abrasive action, which breaks or loosens the outer husk or hull from the rice kernel. There are different types of paddy hullers, including rubber roll hullers and abrasive-type hullers, each using different mechanisms to achieve hulling.

    • Rubber Roll Huller: This type of huller typically uses a pair of rubber rollers that rotate at different speeds and pressure levels. The rice grains pass between these rollers, and the friction between the grains and the rollers removes the hull.

    • Abrasive-Type Huller: In abrasive-type hullers, the rice grains are subjected to friction against an abrasive surface, such as emery wheels. This abrasive action loosens and removes the husk.

  3. Separation: After hulling, the mixture of rice kernels and husks, known as "paddy," is discharged from the huller. In some cases, the huller may have built-in mechanisms for separating the husks from the rice kernels. If not, additional equipment such as a rice separator or winnowing machine is used to separate the rice from the husks.

  4. Collection and Packaging: The separated rice is collected and then typically subjected to further processing steps, such as polishing and grading, to produce the final polished rice that is ready for packaging and consumption.


Paddy hullers are crucial machines in the rice processing industry, as they efficiently remove the tough outer husk, which would otherwise render the rice inedible. The technology and design of hullers have evolved over time, with modern machines often incorporating automation and improved efficiency to streamline the rice milling process.


Efficient hulling is essential for maximizing rice yield, as it ensures that the maximum amount of edible rice is retained while minimizing waste. The quality of rice, its appearance, and its market value are greatly influenced by the effectiveness of the hulling process.


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