Rotary Evaporator LRE-T2014

Introduction

Rotary Evaporator integrate condenser ensures high recovery rates of evaporated solvents with 9mbar ultimate vacuum. Designed with user-friendly touchscreens that facilitate real-time monitoring of operational parameters. Built with leak-proof seals to ensure safe operation and prevent solvent loss. Provides clear and consistent data logging for quality control and process documentation. It combines efficient solvent evaporation with high precision and safety features in a reliable unit.

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

Our Rotary Evaporator is ideal for large-scale solvent recovery, distillation, and concentration in pharmaceutical, chemical, and biotechnology industries, ensuring efficient processing with precise digital control.

Specifications

Evaporating Flask Volume	20L
Rotating Speed	20rpm to 130rpm
Evaporation Capacity	Ethanol 5L/hour
Ultimate Vacuum	9 mbar
Lifting Stroke	180mm
Temperature Range	20°C to 100°C
Ambient Temperature	5°C to 40°C
Ambient Humidity	≤80%
Temperature Control Accuracy	±1°C
Time Setting Range	0 to 999min
Heat Bath	Teflon Coating
Display
Motor	Brushless DC motor
Protection Class	IP20
Power Consumption	4000 W
Power Supply	220V, 50 to 60Hz
Dimension (W×D×H)	490mm×900mm×1320mm

Features

display with intuitive interface for operation

controller for precise and fast setting

Motor lifting system for smooth and silent adjustment

Reciprocation rotation function for sample concentration

Double-layer condenser for evaporation recovery

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.