The Importance of Rice Polisher Machine to Control Water Volume from lianggong's blog


Selecting a reasonable rotation speed to obtain a suitable polishing roller line speed is very important for reducing the broken rice rate and improving the polishing brightness of the rice. Generally, the line speed of the polishing roller should be 6-7 m/s. 3.3 The amount of water in the polishing chamber is polished at a certain ratio during polishing. Evenly spraying the water to wet the surface of the rice, which is beneficial to the separation of the surface of the rice grain, and at the same time, the starch is gelatinized to form a gel layer under the frictional temperature generated by the polishing pressure and the polishing process, thereby To achieve the purpose of improving the brightness of rice. However, if the amount of water is too large, the rice grains will flow abnormally, causing the pressure inside the Rice Polisher(LIANGGONG) machine to be too large, which will increase the crushing, and even lead to “boring car”. Therefore, in the use of the rice polisher machine, the water quantity should be controlled first, and the water quantity control is generally At around 0.5%.

The polishing pressure is established by the speed and impact force of the rice grains in the polishing chamber. The factors affecting the whitening pressure are various, but the polishing pressure can be adjusted and controlled by the pressure gate at the exit of the polishing chamber. The polishing pressure is large, the collision movement is severe, and the grinding is more broken after polishing; the polishing pressure is small, the collision movement is moderated, and the grinding is less after grinding. Therefore, a small polishing pressure should be used for polishing, but the polishing pressure is too small, which may affect the process. effect. The general polishing pressure is about 400-700 g/cm. 2.2.3 Line speed The polishing roll line speed is the main factor determining the speed and impact force of the rice grains. The line speed is low, the speed of the rice leaves off the iron roll is low, the collision movement is moderated, and the grinding is less after grinding, but the rotation speed is too low, and when the rice grain is not enough, the rice grain is partially crushed too much, and the over-grinding phenomenon occurs. Reducing the rice yield will also cause the rice to be partially ground insufficiently, unevenly polished; the line speed is high, the speed and collision force of the rice grains are large, the chance of rolling the rice grains is increased, and the polishing is uniform, but when the rice grains are over-rolled, the ends of the rice grains will be made. Being crushed and the broken rice increases will also lower the rice yield.

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By lianggong
Added Nov 18 '18



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