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Qingdao Conqinphi Environmental Technology Group Co., Ltd. is a leading manufacturer with over 8 years of experience in designing and producing industrial evaporation systems. Our Sodium Sulfite Crystallization Evaporator is specifically engineered for the pharmaceutical industry, offering precise salt separation and high-purity crystal recovery. This equipment combines advanced crystallization technology with robust construction, ensuring efficient operation and compliance with strict pharmaceutical standards. By integrating our proprietary control system, it delivers consistent product quality while minimizing energy consumption and operational costs.
The evaporator utilizes a forced circulation or falling film design to achieve optimal heat transfer and crystal growth. It is ideal for treating sodium sulfite waste streams, recovering valuable salts, and reducing environmental impact. Below are the key technical specifications and features that make this unit a reliable choice for pharmaceutical manufacturers.
Key Features & Benefits
- High Crystallization Efficiency: The unique internal circulation design enhances supersaturation control, resulting in uniform crystal size distribution and purity above 99%.
- Energy-Saving Operation: Equipped with a MVR (Mechanical Vapor Recompression) system option, reducing steam consumption by up to 60% compared to traditional evaporators.
- Corrosion-Resistant Materials: Wetted parts are made of SS316L or higher-grade alloys, ensuring long service life even with aggressive chemical solutions.
- Automated Control: PLC-based system with touch screen interface allows real-time monitoring of temperature, pressure, and density, minimizing manual intervention.
- Compact Footprint: Modular design saves floor space and simplifies installation in existing pharmaceutical facilities.
- Easy Maintenance: Quick-opening covers and CIP (Clean-in-Place) nozzles facilitate cleaning and inspection, reducing downtime.
- Compliance: Designed to meet cGMP guidelines and FDA requirements for pharmaceutical equipment (optional validation documents available).
Technical Specifications
| Parameter | Value |
|---|---|
| Evaporation Capacity | 100 – 5000 L/h (customizable) |
| Operating Temperature | 60°C – 120°C |
| Material of Construction | SS304 / SS316L / Duplex Stainless Steel |
| Heating Source | Steam (0.3-0.8 MPa) or Electric |
| Final Crystal Purity | ≥ 99% |
| Power Consumption | 15 – 150 kW (depending on capacity) |
| Control System | PLC + HMI (Siemens or Allen Bradley) |
Application Scenarios
This evaporator is widely used in the pharmaceutical industry for treating sodium sulfite waste liquor generated during API synthesis, as well as for recovering by-product salts from fermentation processes. It can also be applied in fine chemical and food processing industries where salt separation and crystallization are required. The equipment is compatible with batch or continuous operation modes, offering flexibility to match production schedules.
Why Choose Conqinphi?
Since our establishment in 2015, we have grown into a company with a 10,000-30,000 m² factory, employing 201-300 skilled workers. Our annual export value exceeds US$10 million, serving markets across North America, Europe, Asia, Africa, and Oceania. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, and SA8000, ensuring that our products meet international quality and safety standards. Our engineering team has decades of combined experience in crystallization and evaporation, enabling us to provide customized solutions for complex separation challenges.
Each unit undergoes rigorous testing before shipment, including hydrostatic pressure tests, performance verification, and control system simulation. We offer comprehensive after-sales support, including on-site installation guidance, spare parts supply, and remote troubleshooting. With a strong focus on customer satisfaction and continuous innovation, Conqinphi is your trusted partner for sustainable and efficient salt separation technology.
Frequently Asked Questions
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Q: What is the typical crystallization purity achieved with this evaporator?
A: Under normal operating conditions, the purity of sodium sulfite crystals can reach 99% or higher, depending on feed composition and process parameters. -
Q: Can this equipment handle other salts besides sodium sulfite?
A: Yes, it is suitable for many inorganic salts such as sodium chloride, sodium sulfate, potassium chloride, etc. The design can be adjusted for different crystallization behaviors. -
Q: What is the energy consumption per ton of water evaporated?
A: With MVR option, energy consumption is about 30-50 kWh per ton of evaporated water. Without MVR, steam consumption is approximately 0.4-0.6 tons per ton of water. -
Q: Is the equipment easy to clean and maintain?
A: Absolutely. It features CIP spray balls, large manholes, and quick-release couplings. We also provide detailed maintenance manuals and optional remote monitoring. -
Q: Do you offer customization for specific capacity or material?
A: Yes, we customize the evaporator based on your feed flow rate, concentration, and required crystal size. Materials can be upgraded to Hastelloy or titanium if needed. -
Q: What certifications does this equipment comply with?
A: Our factory is ISO9001 and ISO14000 certified. The equipment can be supplied with CE, ASME, or GMP documentation upon request, subject to additional verification. -
Q: What is the typical delivery time?
A: For standard models, delivery is 30-45 days after order confirmation. Customized units may require 60-90 days depending on complexity. -
Q: How do you ensure the quality of the equipment?
A: We conduct factory acceptance tests (FAT) with customers present, and provide performance guarantee. All components are sourced from reputable suppliers.
Contact us today to discuss your salt separation requirements and receive a tailored proposal. Our technical team is ready to assist you from concept to commissioning.
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