How to choose the motor for the reactor?

### Guidelines for Selecting a Motor for a Reactor

When choosing a motor for a reactor, consider the following factors:

#### **1. Material Viscosity**

- Determine the torque required based on the material's maximum viscosity, impeller dimensions, and stirring speed.

- Select a motor with a maximum torque at least 1.5 times the torque needed for the stirring reaction to ensure safe and consistent operation.

- Focus on torque rather than power, as motors with the same power may have different torque outputs, especially between AC and DC motors.

#### **2. Speed Requirements**

- For low-speed requirements, consider a reduction motor.

- For higher speeds, use a higher-power motor with a frequency converter to reduce speed, which can be more cost-effective.

- Note that the maximum torque of a single motor varies at different speeds.

#### **3. Power Capacity and Supply Limitations**

- Assess the available power capacity and any supply limitations.

- Ensure the motor's power supply matches the operational requirements.

#### **4. Explosion-Proof Requirements**

- If the materials or products are flammable or explosive, choose an explosion-proof motor to ensure safety.

#### **5. Speed Regulation**

- Decide whether variable frequency speed regulation or manual adjustment is needed.

#### **6. Motor and Reduction Gear Selection**

- Most reactor motors are paired with reduction gears.

- The motor and reduction gear are often supplied together, so consider their compatibility during selection.

By addressing these factors and providing the necessary parameters to the manufacturer, you can ensure the motor selected meets the reactor's operational needs.