Electric Lifting Rotary Evaporator LERE-T2014

Introduction

Electric includes a 30 L evaporating flask, made for handling large volumes in the lab. It maintains stable heating through temperature control and prevents dry operation with built-in safety features. The dual-layer protection ensures smooth performance during procedures. Our Electric concentration, separation, and sample preparation with consistency and care.

This equipment is essential for solvent evaporation and concentration processes in chemical, pharmaceutical, and food laboratories. It features efficient heat transfer and vacuum control to ensure optimal distillation results while protecting sensitive samples.

Applications

Electric Lifting Rotary Evaporator enables efficient solvent removal and controlled evaporation under vacuum conditions. It is widely utilized in chemical laboratories, pharmaceutical development, and industrial research settings.

Specifications

Evaporating Flask	30 L
Receiving Bottle	20 L
Rotation Speed	0 to 120 rpm
Lifting Distance	180 mm
Lifting Mode	Electric
Temperature Range	RT to 180°C
Temperature Control Accuracy	+/- 1°C
Vacuum Degree	0.098 Mpa
Rotating Motor Power	180 W
Heating Power	8000 W
Bath Capacity	76 L
Heating Bath	380V/50 Hz
Power Consumption	8180 W
Power Supply	220 to 240 V/5O Hz
Dimensions (L×W×H)	1330×730×2340 mm
Weight	119.5 kg

Features

Quiet brushless motor operation

Integrated vacuum sealing technology

Flexible condenser cooling design

Stable base support structure

Adjustable rotation speed settings

FAQs

1. What vacuum level is appropriate for operating a rotary evaporator?

The appropriate vacuum level depends on the boiling point of the solvent being evaporated. For most common solvents, a vacuum level between 10-50 mbar is suitable. Lower boiling point solvents (such as ethanol) require higher vacuum (lower pressure), while higher boiling point solvents may need lower vacuum. It's important to adjust the vacuum level gradually to prevent sample bumping and ensure efficient evaporation.

2. How to prevent sample bumping during rotary evaporation?

To prevent sample bumping, you can: 1) Use a bumping tube or anti-bumping granules in the evaporating flask; 2) Control the heating bath temperature to avoid rapid temperature increase; 3) Adjust the rotation speed to ensure gentle mixing of the sample; 4) Gradually increase the vacuum level instead of applying full vacuum immediately; 5) Ensure the evaporating flask is properly centered and balanced.

3. How often should the rotary evaporator's seals be replaced?

The frequency of seal replacement depends on usage frequency, the type of solvents used, and maintenance practices. Under normal usage with non-corrosive solvents, seals should be inspected every 3-6 months and replaced if signs of wear, leakage, or reduced vacuum performance are observed. For corrosive solvents, more frequent inspection and replacement (every 1-3 months) may be necessary to maintain vacuum integrity.

4. Can the rotary evaporator be used for heat-sensitive samples?

Yes, the rotary evaporator can be used for heat-sensitive samples by utilizing the vacuum system to lower the solvent's boiling point, thus reducing the required heating temperature. For highly heat-sensitive samples, additional measures such as using a cold trap, lowering the heating bath temperature further, or reducing the rotation speed can help protect the sample from thermal degradation while maintaining efficient evaporation.

5. How to clean the rotary evaporator after use?

After use, follow these cleaning steps: 1) Turn off the heating bath and vacuum system, and allow the equipment to cool down; 2) Remove and empty the receiving flask; 3) Rinse the evaporating flask and condenser with an appropriate solvent (compatible with the sample residue); 4) For stubborn residues, use a soft brush or ultrasonic cleaner (if compatible with glass components); 5) Dry all components thoroughly before reassembly; 6) Wipe the exterior of the equipment with a clean, damp cloth.