As a Seed Cleaner and Grader Manufacturer, share with you.

All the food we eat is as clean as possible, but how can we produce cleaner food? Today's grain sorting machine manufacturer-I will explain it to you: the general principle of buying a grain sorting machine. People hope that the higher the purity of the seed, the better, but the higher the difficulty, the more difficult it is. It is like extracting pure gold, only 99. Above %, there is no 100%. Recognizing and understanding this regularity is necessary for the scientific and reasonable selection of seed processing machinery.

Seed Cleaner and Grader

The general principle of choosing a grain screening machine:

Machines with different principles focus on the removal of impurities or functions during seed processing. Among them, there are more principles and types of cleaning machines, so you should be careful when choosing them. The general principles are as follows.

(1) If the cleaning is significantly lighter than the good seeds, and the size is significantly different from that of the good seeds, the air-screen cleaning machine should be preferred. This machine is currently in common use.

(2) When there is a significant difference in length and short size for cleaning, and there are still long or short impurities that cannot be removed after the wind screening process, the socket type concentrator should be tried.

(3) After being processed by the wind screen cleaner and the hole-and-eye concentrator, the clarity has been significantly improved, and the particle size is relatively uniform, but there are still some such as shriveled kernels, insect-eaten kernels, and ear rot kernels in corn. The shriveled grains, worm sucked grains, and shelled grains in wheat; shriveled grains, smut grains, and sprout grains in rice; moth-eaten grains, diseased grains, and wrinkled grains in beans. The above impurities are mostly density Impurities are often similar in weight to good seeds, even heavier than good seeds, and cannot be removed by non-specific gravity selection machinery. With the development of the seed industry, the specific gravity selection machinery is becoming more and more popular, and the operation is more difficult than the wind screen cleaning machinery.

How to measure the temperature of the cooling medium of the grain cleaning sieve?

1. Temperature measurement of cooling medium of grain cleaning sieve. The so-called cooling medium refers to substances that can directly or indirectly take away the heat of the stator and rotor windings, iron cores and bearings; such as air, water and oil. For motors that are cooled by the surrounding air, the temperature of the cooling air (generally referred to as the ambient temperature) can be measured with several expansion thermometers (not less than 2) placed in the path of the cooling air entering the discharge machine. The position of the bulb of the thermometer is 1~2m away from the motor, and is not affected by external radiant heat and airflow. It is appropriate to select a thermometer with a division of 0.2°C or 0.5°C and a range of 0-50°C.

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