The well-known principle of rubber roller husker is the […]
The well-known principle of rubber roller husker is the use of the mechanical action of rice mills to make the brown rice skin be milled for peeling. This role is divided into rubbing and milling. In the white room of the rice mill, relative movement occurs between the rice grains and the rice grains and between the rice grains and the rice miller components, and friction between the grains causes peeling of the brown rice cortex. This rubbing off must be carried out under friction with a relatively large pressure. The increase in pressure will increase the broken rice rate and reduce the economic benefits. Milling, on the other hand, uses a hard diamond surface to perform a rapid milling operation on the surface of the brown rice so that the brown skin is peeled off. This kind of rice milling method has lower pressure, higher roller line speed, and less broken rice produced, but the surface finish of white rice is relatively poor, and the accuracy of finished rice is likely to be uneven.
In order to meet the needs of the market, the above rice milling process must be effectively and reasonably improved in order to improve the accuracy of rice and reduce production costs.
Brown rice modified and milled rice is a new rice milling technology researched in view of the problems existing in currently known rice milling technology. On the basis of not changing the existing rice milling process and equipment, a brown rice automatic conditioner is added between the cereal and rice milling process, that is, after the raw brown rice after grain coarseness separation enters the first rice mill. , Through uniform humidification and conditioning of brown rice, storage in the silo (bucket) for 20 to 40 minutes, making the bismuth layer and the embryo of brown rice absorb water and expand and soften, forming a small internal water gradient and a large internal small internal strength gradient. , Relative displacement occurs between the seed layer and white rice grain structure, the strength of the tissue structure of the cortex and aleurone layer weakens, the strength of the white rice grain structure increases relatively, and the friction coefficient of the outer surface of the brown rice increases, so that it is not necessary to use a large compressive force and shear. The force can achieve whitening, greatly reducing the crushing and cracking during the rice milling process, making the surface of white rice smoother, and the rate of whole milled rice is greatly improved. At the same time, tempered rice milling also improved the rice temperature rise and resulted in a decline in the taste of white rice.
The implementation of rice browning and tempering technology, rice better retains the rice's natural nutrition layer, rice smooth surface, can effectively prevent illegal companies and individuals using oil, glue, wax and other polishing agents on rice polishing, Encourage consumers to promote steady progress towards refined, nutritious, green and safe rice.