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As a leading manufacturer from Qingdao, China, Qingdao Conqinphi Environmental Technology Group Co., Ltd. (established in 2015, with a factory area of 10,000-30,000 m² and annual export value of US$10-50 million) proudly presents our Automatic Vacuum Evaporator-Crystallizer 304 Stainless Steel PLC Control 100L Capacity. This advanced equipment integrates evaporation and crystallization in a single sealed system, enabling efficient solvent recovery and solid product separation. Built with 304 stainless steel for excellent corrosion resistance and equipped with a PLC control system, it offers precise automation and reliable performance for demanding industrial applications.
Our vacuum evaporator-crystallizer is designed to handle a wide range of solutions, from aqueous to organic solvents, and is ideal for concentrating heat-sensitive materials, reducing waste volume, and producing high-purity crystals. The 100-liter working capacity strikes a balance between pilot-scale and small production volumes, making it suitable for R&D, pilot plants, and small batch manufacturing. With our company's strong manufacturing capabilities (201-300 employees, ISO9001, ISO14000, OHSAS18001 certifications), you can trust the quality and durability of this equipment.
Key Features & Technical Specifications
- Material: All wetted parts are made of 304 stainless steel, ensuring excellent resistance to corrosion and easy cleaning. The interior surface is polished to a mirror finish (Ra ≤ 0.6 μm) to prevent product adhesion.
- Control System: Fully automated PLC with touch-screen interface. Operators can set parameters such as temperature, vacuum level, stirring speed, and crystallization time. The system records real-time data and alarms for abnormal conditions.
- Working Capacity: 100L (usable volume), with a total vessel volume of approximately 130L. Suitable for batch processing of 50-100L feed solution.
- Heating Options: Available with electric heating (jacket with heating oil) or steam heating. Temperature control range: 20°C – 150°C (optional up to 200°C).
- Vacuum System: High-efficiency vacuum pump (water ring or rotary vane) capable of achieving ultimate vacuum below 10 mbar (absolute). The vacuum level is automatically regulated by the PLC.
- Condenser: High-efficiency shell-and-tube or spiral condenser with cooling water or chilled glycol. Solvent recovery rate typically >95%.
- Stirring System: Anchor-type or paddle agitator with variable speed (0-200 rpm) controlled by the PLC. The agitator is designed to enhance heat transfer and prevent crystal agglomeration.
- Crystallization Control: Integrated cooling jacket for controlled cooling crystallization. The PLC can implement temperature ramps and seeding procedures to optimize crystal size and purity.
| Parameter | Value |
| Nominal Capacity | 100 L |
| Material of Construction | 304 Stainless Steel (SS304) |
| Control Type | PLC + Touch Screen (Siemens or Mitsubishi) |
| Heating Method | Steam / Electric (customizable) |
| Operating Temperature | 20°C – 150°C (optional 200°C) |
| Ultimate Vacuum | < 10 mbar (abs) |
| Agitator Speed | 0 – 200 rpm (variable) |
| Power Supply | 380V/50Hz 3-phase (other voltages available) |
Advantages & Customer Benefits
- High Efficiency: The combination of vacuum evaporation and controlled crystallization reduces processing time by up to 40% compared to traditional atmospheric methods. Solvent recovery lowers operating costs and environmental impact.
- Automation & Reproducibility: PLC control ensures consistent batch-to-batch quality. Recipe storage allows quick changeover between different products. Minimal operator intervention reduces labor costs and human error.
- Corrosion Resistance: 304 stainless steel construction withstands acidic, alkaline, and saline solutions common in chemical processing. Long service life with proper maintenance.
- Compact Design: The integrated evaporator-crystallizer unit saves floor space. The vertical design with a central condenser is compact and easy to install in existing facilities.
- Flexibility: Suitable for both aqueous and organic solvents. The crystallizer section can be operated in batch or semi-batch mode. Optional accessories like a CIP system, sight glass, and sampling port are available.
- Safety: Equipped with over-temperature protection, vacuum relief valve, emergency stop, and leak detection. The PLC monitors all key parameters and triggers alarms.
Trust & Certification
Qingdao Conqinphi Environmental Technology Group has been serving global markets since 2015, with a strong presence in North America, South America, Europe, Southeast Asia, and Africa. Our factory holds multiple certifications including ISO9001, ISO14000, OHSAS18001, and other industry-specific standards. With an annual export value exceeding US$10 million and a dedicated team of 201-300 professionals, we deliver reliable solutions backed by comprehensive after-sales support. Every unit undergoes rigorous testing before shipment to ensure it meets your exact specifications.
This Automatic Vacuum Evaporator-Crystallizer represents the perfect balance of performance, durability, and automation. Whether you are scaling up a new process or optimizing an existing one, our equipment can help you achieve higher yields, lower energy consumption, and superior product quality. Contact us today to discuss your specific requirements, or request a quotation with optional accessories tailored to your needs.
Frequently Asked Questions (FAQ)
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Q: What is the maximum vacuum level achievable?
A: The system can achieve an ultimate vacuum below 10 mbar absolute. The actual level depends on the vacuum pump selected and the vapor pressure of the solvent. We recommend water ring pumps for most applications, and rotary vane pumps for higher vacuum needs. -
Q: Can the unit handle organic solvents?
A: Yes, the 304 stainless steel construction is compatible with many organic solvents (e.g., ethanol, acetone, methanol). However, please consult our technical team for solvents that may cause stress corrosion cracking (e.g., chlorinated solvents). -
Q: Is the PLC system easy to operate?
A: Absolutely. The touch-screen interface provides a user-friendly menu with clear icons. We provide an operation manual and can arrange remote training or on-site commissioning. The PLC also supports recipe storage for up to 100 different products. -
Q: What is the typical crystallization yield?
A: Yield depends on the solubility curve of the solute. In many cases, we achieve >90% recovery of dissolved solids. The controlled cooling and stirring help produce uniform crystals with high purity. -
Q: Can the capacity be customized?
A: Yes, we offer custom sizes from 50L to 500L. The 100L model is a popular choice for pilot and small-scale production. We also have larger industrial units (up to 5000L) available upon request. -
Q: What kind of maintenance is required?
A: Routine maintenance includes cleaning the vessel and condenser, checking seals, and lubricating the agitator shaft. The vacuum pump requires periodic oil changes. We provide a detailed maintenance schedule with the equipment. -
Q: How long is the delivery time?
A: Standard delivery for the 100L model is approximately 30-45 working days after order confirmation. Custom configurations may require additional time. We ship from Qingdao Port, and we can arrange expedited shipping if needed. -
Q: Do you provide warranty?
A: Yes, we offer a 12-month warranty covering manufacturing defects. Extended warranty and spare parts packages are available. Our after-sales team is available 24/7 for technical support.
With over 8 years of manufacturing experience, a 30,000 m² factory, and a global customer base, Qingdao Conqinphi is your reliable partner for vacuum evaporation and crystallization solutions. Please contact our sales team for a detailed proposal.
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