What is the design flow of the laboratory mixer?
The experimental exhibition color wheel room agitator, as its name suggests, is the agitator used in the laboratory. Let's analyze its design process. details as follows:
1. Determine the purpose of mixing: If liquid-liquid mixing, solid-liquid suspension, gas-liquid or liquid-liquid dispersion is carried out, whether it is necessary to achieve heat transfer, absorption, extraction, dissolution, crystallization, etc. The type of stirring paddle is selected according to the characteristics of the process.
2. Calculate the power of the stirring operation: that is, the power reference formula required when the stirring process is carried out: power = power quantity dispersing machine × liquid density × number of revolutions 3 times square × pulp path 5th power.
The calculation of the power level is complicated, and is related to the tank diameter, the slurry diameter, the blade width, the angle, the number of layers, the viscosity, the number of baffles, and the size of the baffle.
3. Select the motor power: The calculated value after the efficiency should be greater than or equal to 1.5 times the stirring operation power.
4. Determination of the minimum number of agitated rotations on the street: This number of revolutions is the minimum number of revolutions for the purpose of mixing rather than the critical number of revolutions of the agitator shaft.
5. Centrifuge according to power selection and calibration of the color wheel nuclear agitator shaft and paddle stiffness and strength.
6. When using the speed reducer, the use factor of the reducer and the load carrying capacity of the reducer should also be considered.
7. For the slender shaft, consider adding support, intermediate or high-low temperature test chamber bottom support.
8, also consider the installation method (top entry or bottom entry or side entry), this is determined first.
9, design support 10, the choice of sealing form (filler or machine seal)
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