Automatic Lifting Rotary Evaporator LARE-T2021

Introduction

Automatic provides maximum vacuum of 399.9 Pa (≤3 mmHg), ensuring optimal solvent evaporation. The evaporator's heating mantle ensures uniform heat distribution for consistent results. It incorporates an automatic anti-overflow function to protect the system from liquid spillage. Includes built-in drain for easy removal of waste materials. Can handle both aqueous and organic solvents effectively and efficiently.

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 Automatic Lifting Rotary Evaporator ensures solvent separation and recovery, excelling in pharmaceutical, chemical, food processing, environmental analysis, and academic fields for diverse research and industrial production needs.

Specifications

Temperature control	20℃ to 99℃
Control screen
Heating power	1500 W
Pressure rate	≤2 kPa/h
Maximum vacuum	399.9 Pa (≤3 mmHg)
Rotary motor power	100 W
Host speed	Digital DC stepless speed regulation
Motor rotating control	35rpm to 200rpm
Condenser	Vertical, double serpentine condenser
Condensation area	0.15㎡
Rotary flask	2 L, Flange type Ø43 mm
Collection flask	2 L
Bath material	Stainless steel, SUS304 material
Bath size	280 mm × 260 mm × 130 mm
Temperature accuracy	±1 ℃
Lifting mode	Electric lifting
Lifting distance	180 mm
Lifting speed	10 mm/s
Bath power	4000 W
Vacuum seal	Teflon + Teflon fluorinated rubber double seal
Discharge valve (spool)
Evaporation speed	Water: 2 L/h, Ethanol: 5.4 L/h
Protection	Overcurrent, ground fault, temperature, and dry burning protection
Ambient Temperature	5 to 35 ℃
Ambient relative humidity	≤65 %
Power Supply	Single phase 110V/220V, 50Hz/60Hz
Power Consumption	1800 W
Product size (W×D×H)	650 mm × 420 mm × 900 mm
Product weight	20 kg
Packing size(W×D×H)	650 mm × 500 mm × 500 mm
Gross weight	30 kg

Features

High-performance rotary evaporation

Advanced digital control system

Durable glassware and seals

Integrated cooling water condenser

Rapid solvent recovery capability

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.