History of Flour Processing
- Wheat flour stone millstone has already appeared as early as 5000 years ago in the yang shao culture period in China.
- 3000 years ago, crush powder process has invented.
- The 3rd century in Jin dynasty, eight plate flour mill driven by hydraulic had been used, which created the "three wheel thing"
- Wheat flour in the west are also using stone mill, sieving after grinding, use wind power; In the 17th century Britain began with a water wheel drive two millstone;
- In 1823, established the first plant of roller flour mill in Poland, first realized the wheat flour mechanized production of continuous operation.
In the beginning of the 20th century, roller flour mill has been promote successively in the countries all over the world, which now gradually developed into a hierarchical flour grinding, repeated screening technology.
