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Rice milling machine equipment manufacturers talk about the advantages and disadvantages of vertical rice milling machines
Release time:
2022-02-22
Rice milling machine equipment manufacturers talk about the advantages and disadvantages of vertical rice milling machines, and the advantages of vertical rice milling machines
1. Gravity has no effect on the centrifugal acceleration of rice grains, and the speed of rice grains and the pressure in the whitening chamber are uniform;
2. When feeding, gravity generates a driving force on the entire length of the whitening chamber, and the density of the rice grain fluid is relatively uniform;
3. The number of rice knives is large, the material is soft, the adjustment is convenient, the rolling movement of the rice grains is good, and the damage to the rice grains is small;
4. The combined effect of the above 3 points can reduce the broken rice rate;
5. The whitening roller is made of grinding wheel, which can be partially replaced and adjusted during grinding, which improves the service life of the grinding roller;
6. The bran layer is arranged and dropped smoothly.
Disadvantages of vertical rice mill
1. The requirement to keep running smoothly is high. During the manufacture and installation of the rice milling machine, the axis of the whitening roller must be kept vertical, and there is a slight error. Even if the whitening roller is completely balanced, the center of gravity will deviate from the plumb line to generate an unbalanced force;
2. The bearing bears the combined axial and radial bidirectional force, which requires high performance, manufacturing and assembly quality of the bearing;
3. The volume and weight of the unit output are larger. The use of gravity as the axial driving force is limited, and the axial flow velocity of the rice stream is small. In the case of the same feed material as the horizontal rice mill, the diameter of the whitening roller must be increased to increase the annular cross-sectional area of the whitening chamber. The volume and weight of the rice mill increase with the increase;
4. It is inconvenient to disassemble and assemble the sand roller in the vertical direction of the upper part of the rice mill, which is time-consuming and labor-intensive;
5. Soft rice knives wear out faster, the quantity is large, and the maintenance cost is increased;
6. It is difficult and unreasonable for two whitening rollers to be combined coaxially or non-axially on one rice mill. The above is the advantages and disadvantages of vertical rice mills discussed by rice mill equipment manufacturers.
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