Wheat Milling Process

If you are planning to buy equipment to start a small/large wheat flour mill plant, it is important to understand the complete wheat milling process. The quality of produced flour affects the profitability of flour mill, and good milling results depend entirely on the process technology - how reliably the endosperm is separated from the wheat kernels and milled into flour.

This column will focus on the wheat milling process to help customers gain related knowledge to produce high quality flour and make profits in the flour mill industry. Click on the following articles to learn more information about the different steps of wheat flour milling process.

Understanding Wheat Milling Process: Step-by-Step Guide

The main process of wheat flour milling is to separate the endosperm from the wheat germ and the wheat husk after cleaning and moisture adjustment of the wheat kernel, and then grind the endosperm into flour. The typical wheat flour milling process steps include cleaning (impurities removing and moisture adjustment), milling (endosperm separation and grinding and four cleaning), packaging.

It's essential to note that wheat mill process can vary depending on the type of wheat used (e.g., hard wheat, soft wheat), the intended final products, and the flour milling machine used. So if you want to setup a flour mill plant,contact us for turnkey service! 

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Wheat Cleaning Process

Because wheat in the harvest and storage and transportation process mixed with a variety of impurities, must be removed before processed to flour. Generally using the following grain cleaning machinery to remove the corresponding impurities in the flour production industry: wheat thresher, washer, vibrating sieve, flat rotary sieve, spiral selector, permanent magnetic drum, de-stoning machine, etc.

Wheat Moisture Content Adjustment: 

Due to different varieties and from different regions of the wheat moisture content and physical properties of different, the wheat grain after cleaning must also be moisture adjustment, so that it reaches the optimal moisture content, in order to have good milling properties. This process can improve the wheat flour milling efficiency and flour yield.

Wheat Milling Process

The primary milling technique is roller milling, the whole milling process can be seen as a repetition of two processes - grinding and sifting. The whole wheat flour milling system includes wheat milling system, purifacation system, sieving system, forming a continuous flour production process. The main equipment is wheat flour milling machine unit, purifier, high square sieve and so on.

  • Wheat milling system: The moisture-adjusted wheat are passed through specialized flour mill machines, which are usually equipped with smooth rollers. These rollers apply the right amount of pressure to the wheat, and the inner layer of the wheat kernel (i.e., the endosperm) is broken into tiny pieces, while the outer layers (i.e., the bran and germ) remain relatively intact. 
  • The sieving system: The milling process produces a mixture of different particle sizes, including flour, bran and germ. The flour particles pass through a sieve and the rest of the mixture is returned to repeat the milling process.
  • The purification system: The mixture is blown upwards through the purifier so that the lighter bran is carried away by the airflow back into the milling system for further processing, while the denser flour particles are returned downwards.

Wheat Flour Packaging Process

Once the sieving and purification processes are complete, the end product is a high quality flour with minimal bran and germ content, which is then collected and prepared for packaging in various sizes for distribution and sale.

Related equipment:  Automatic flour packaging machine>>

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