Generally we are used to classify centrifuges in the following aspects


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1. Classification of centrifuges: There are many types of centrifuges. We are accustomed to classify from the following aspects: According to the speed of rotation, it can be divided into: low speed centrifuge, high speed centrifuge and ultra high speed centrifuge: according to the temperature requirements Divided into: ordinary centrifuge and refrigerated centrifuge: according to the difference of the rotor: horizontal rotor centrifuge and angle rotor centrifuge according to the size of the centrifuge can also be divided into: floor centrifuge, desktop centrifuge, palm centrifuge Wait: According to the grade of centrifuge, it can be divided into ordinary centrifuge and precision centrifuge. Ordinary centrifuges have few functions and are not precise in terms of speed and capacity. For example, the maximum speed of an ordinary centrifuge is 5000 rpm, but the actual speed cannot reach 5000 rpm. Such a centrifuge is only suitable for ordinary centrifugal work, such as: separation of serum and concentrated urine.

Second, the working principle of the centrifuge: during the high-speed rotation of the centrifuge, the movement caused by the centrifugal force causes the solid matter suspended in the liquid to form a precipitate, which is the radius of the mass or volume of the suspended body in the direction of the head Move in the largest direction, and the part with the smaller mass or volume is deposited near the radius of the rotor. Above we mentioned the concept of centrifugal force. A centrifuge is a machine that generates centrifugal force. The centrifugal force is related to the rotor radius, rotation speed and sample quality: namely F = Rmω2 (F: centrifugal force: R: radius: m: sample quality: to: rotation speed). One of the parameters is also one of the distinguishing standards for the centrifuge grade. The centrifuge will give the maximum centrifugal force of the centrifuge when it leaves the factory. We all know that the radius of the rotor and the quality of the sample are constant during operation, and only the speed can be changed by control. Therefore, we often use the speed to describe a centrifuge. Such as: high-speed centrifuge, ultra-high-speed centrifuge.

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