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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. – a leading manufacturer since 2015 with a factory spanning 10,000–30,000 square meters and annual exports exceeding US$10 million. Our Low Steam Consumption Multi-effect Evaporation Concentration Crystallizer made of 2205 duplex stainless steel and equipped with PLC control is engineered to maximize energy efficiency and product purity for a wide range of industries. By integrating advanced multi-effect evaporation technology, this crystallizer dramatically reduces steam usage while achieving high-concentration crystallization, helping you lower operating costs and increase profitability.
Built with corrosion-resistant 2205 SS, the equipment handles aggressive chemicals and high-salinity streams with ease. The intelligent PLC system provides precise monitoring and automation, ensuring consistent output quality and minimal manual intervention. Whether you are concentrating pharmaceutical intermediates, recovering valuable salts from industrial wastewater, or producing specialty chemicals, this machine delivers reliable performance with low energy footprint.
Key Features & Technical Specifications
- Low Steam Consumption – Multi-effect design recycles vapor heat, reducing steam demand by up to 40% compared to single-effect evaporators.
- 2205 Duplex Stainless Steel Construction – Excellent resistance to chloride stress corrosion cracking, pitting, and general corrosion; ideal for high-chloride and acidic environments.
- PLC Control with HMI Touch Screen – Real-time monitoring of temperature, pressure, flow rate, and concentration; automatic start/stop, alarms, and data logging.
- Multi-effect Configuration – Available in 2–7 effects depending on capacity and target concentration; optimized heat transfer coefficient.
- Compact & Modular Design – Footprint saves valuable floor space; easy to install, operate, and maintain.
- Customizable Capacity – Evaporation capacities from 100 L/h to 10,000 L/h; tailored to your production requirements.
- Energy Recovery System – Pre-heats feed using condensate, further improving thermal efficiency.
- Safety Features – Overpressure protection, emergency shutdown, and fail-safe interlocks comply with international standards.
| Parameter | Specification |
| Material | 2205 duplex stainless steel (UNS S32205) |
| Number of Effects | 3, 4, 5, 6, or 7 (custom) |
| Evaporation Capacity | 500 – 10,000 kg/h (custom) |
| Steam Consumption Ratio | 0.25 – 0.35 kg steam per kg water evaporated (typical) |
| Control System | PLC + HMI (Siemens or Mitsubishi optional) |
| Max Operating Temperature | 150°C (depend on design) |
| Power Supply | 380V / 50Hz (or as required) |
Beyond these technical attributes, our crystallizer offers tangible benefits for your business:
• Reduced Energy Costs: Lower steam consumption directly cuts utility bills.
• Higher Product Purity: Gentle evaporation minimizes thermal degradation.
• Simplified Operation: PLC automation reduces labor and human error.
• Long Equipment Life: 2205 SS withstands harsh chemicals and high temperatures.
• Environmental Compliance: Efficient concentration reduces waste volume and facilitates resource recovery.
Trust the Numbers – Trust Conqinphi
Since 2015, we have supplied our evaporation and crystallization solutions to clients across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. With 201–300 employees and a factory of 10,000–30,000 m², we deliver quality through ISO9001, HACCP, SA8000, OHSAS18001, and other certified processes. Our annual export value exceeds US$10 million, a testament to global customer satisfaction. Every unit undergoes rigorous testing, and we offer comprehensive after-sales support including installation guidance, commissioning, and spare parts availability.
Contact us today to discuss your specific process requirements – we will customize a low-steam-consumption multi-effect crystallizer that meets your exact needs and budget.
Frequently Asked Questions
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Q: What types of liquids can this crystallizer handle?
A: It is suitable for aqueous solutions containing chlorides, sulfates, nitrates, and many organic compounds. The 2205 SS provides excellent corrosion resistance in moderate-to-high chloride environments. For extremely aggressive media like concentrated hydrochloric acid, we can recommend alternative materials. -
Q: How does the low steam consumption benefit my operations?
A: By using multiple effects, the vapor from one effect heats the next, drastically reducing the amount of fresh steam needed. Typically, a 4-effect system uses about 0.3 kg steam per kg of water evaporated, compared to 1.1 kg for a single-effect system. This translates to 60–70% savings in steam cost. -
Q: Is the PLC system user-friendly for operators?
A: Yes. The HMI touch screen displays all key parameters in real time, with intuitive menus for setting target concentration, start-up/shutdown sequences, and alarm thresholds. We also provide training manuals and remote support. -
Q: Can I integrate this equipment with my existing facility?
A: Absolutely. We design the crystallizer with standard flanges and connections. Our engineers can visit your site (or review drawings) to ensure seamless integration with your steam supply, cooling water, and electrical systems. -
Q: What maintenance is required?
A: Routine maintenance includes periodic inspection of heating surfaces for scaling, cleaning of condensate lines, and calibration of sensors. The 2205 SS construction greatly reduces corrosion-related maintenance. Our PLC system logs operating hours to remind you of scheduled checks. -
Q: Do you offer testing or pilot trials before purchase?
A: Yes. We have a pilot-scale multi-effect evaporator available in our factory. You can send samples for testing, and we will provide a performance report. For large orders, we also offer on-site testing with rental units. -
Q: What is the lead time for a custom crystallizer?
A: Typically 6–8 weeks after finalizing the design and down payment, depending on complexity. Rush orders may be accommodated with an expedite fee. -
Q: What certifications does this product hold?
A: The manufacturing process complies with ISO9001, HACCP, SA8000, OHSAS18001, and other certifications held by our company. CE certification is available upon request for export to Europe.
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