What are the classifications of rice mills?

What are the classifications of rice mills? Which kind of new rice milling machine is good? Which type of rice does not break?

（1） Classification by working principle

1. Friction type rice mill, also known as pressure type rice mill

Friction type rice mill is also called pressure type rice mill, which makes brown rice white by strong friction and friction. The rice milling machine that mainly performs whitening by wiping off is mainly an iron roller rice milling machine, and its model is small.

2. Milling type rice mill (alias: speed type rice mill)

The milling type rice mill mainly uses the milling function to remove the brown rice skin. The pressure in the whitening chamber is small, and the volume of the corresponding whitening chamber is large. Therefore, the type of milling type rice mill is also large, and most of its rollers are sand rollers.

3. Hybrid rice mill

The hybrid rice mill is a rice mill that uses the combined action of rubbing and milling to remove the skin. The grinding roller can be a sand roller or an iron roller. The pressure in the whitening chamber is between the milling type rice mill and the wiping type rice mill, so the model is moderate and the process effect is good.

（2） Classification by installation form of roller shaft

1. Vertical rice mill

The main shaft of the vertical rice mill is vertically arranged, and most of them are sand roller rice mills. The milling pressure is small, and it is suitable for processing the crispy powder rice. Most vertical rice mills use sand rollers.

2. Horizontal rice mill

The main shaft of the horizontal rice mill is horizontally arranged. Three types of sand roller, iron roller and sand iron combination roller are used in the horizontal rice mill.

（3） According to different classification of roller materials

1. Iron roller rice mill

Iron roller rice mill is a rice mill with iron roller as the roller. The iron roller is cast with white cast iron, which requires good surface quality and wear resistance.

2. Sand roller rice mill

The sand roller rice mill is a rice mill with the sand roller as the grinding roller, belonging to the milling type and the mixed type rice mill.

3. Sand and iron combined roller rice mill

The grinding roller of the sand and iron combined roller rice mill can be sand roller or iron roller, which can be selected according to the specific situation.