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Help Center304 Stainless Steel Multi-effect Crystallizing Evaporator With PLC Control, 500kg/h Capacity, Steam Heating
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Welcome to Qingdao Conqinphi Environmental Technology Group Co., Ltd. As a professional manufacturer established in 2015, we are proud to present our 304 Stainless Steel Multi-effect Crystallizing Evaporator with PLC Control, 500kg/h Capacity, Steam Heating. This high-performance evaporator is designed to meet the rigorous demands of industrial wastewater treatment, chemical concentration, and crystallization processes. With a factory spanning over 10,000 square meters and a dedicated team of more than 200 employees, we combine advanced engineering with robust manufacturing to deliver reliable and efficient solutions. Our product stands out for its corrosion-resistant 304 stainless steel construction, intelligent PLC automation, and energy-saving multi-effect design, ensuring optimal performance and long service life.
Product Overview
The multi-effect crystallizing evaporator is a core piece of equipment for concentrating liquids and recovering valuable solids through evaporation and crystallization. It utilizes steam as the heat source and employs multiple effects to maximize energy efficiency—each effect reuses vapor from the previous stage, significantly reducing steam consumption compared to single-effect evaporators. The PLC control system provides precise monitoring and adjustment of temperature, pressure, liquid level, and flow rate, enabling fully automatic operation with minimal manual intervention. Below we detail the key features, technical specifications, and advantages.
Key Features
- 304 Stainless Steel Construction – All product-wetted parts are made of high-grade 304 stainless steel, offering excellent corrosion resistance to acidic and alkaline solutions, ensuring durability and hygiene.
- Multi-effect Energy-Saving Design – Typically configured with 2 to 4 effects, the system reduces energy consumption by 30%–50% compared to single-effect evaporators, lowering operational costs.
- PLC Touchscreen Control – The programmable logic controller (PLC) with a user-friendly HMI interface allows easy setting of parameters, real-time data logging, alarm management, and remote monitoring capability (optional).
- Steam Heating Efficiency – Utilizes saturated steam (0.3–0.6 MPa) for rapid and uniform heat transfer, suitable for a wide range of feed solutions with high boiling points or heat-sensitive materials.
- Automatic Crystallization Management – Integrated sensors and control logic maintain optimal supersaturation, promoting uniform crystal growth and easy solid-liquid separation.
- Compact Modular Structure – The evaporator units are assembled in a skid-mounted design, saving floor space and simplifying installation and maintenance.
- Safety Protection – Equipped with overpressure relief valves, high-temperature alarms, liquid level interlocks, and emergency stop functions to ensure safe operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Evaporation Capacity | 500 kg/h (water evaporation) |
| Number of Effects | 2–4 (customizable) |
| Steam Consumption | Approx. 0.3–0.5 kg steam / kg water evaporated (depending on effects) |
| Operating Temperature | 60–100°C (adjustable) |
| Working Vacuum | -0.08 to -0.095 MPa |
| Material | 304 Stainless Steel (optional 316L) |
| Control System | PLC + Touch Screen (Siemens or Mitsubishi optional) |
| Power Supply | 380V/50Hz (other voltages available) |
| Dimensions (L×W×H) | Customized per configuration |
| Weight | Approx. 3,500–5,000 kg |
Advantages & Customer Benefits
- Lower Operating Costs – The multi-effect design reduces steam consumption by up to 50%, directly cutting energy bills. Combined with automatic control, it minimizes labor requirements.
- High Purity Crystals – Precise control of evaporation and crystallization parameters yields consistent, high-purity solid products, increasing revenue from recovered materials.
- Minimal Corrosion & Maintenance – 304 stainless steel resists a wide range of chemicals, extending equipment life and reducing downtime for repairs.
- Easy Integration – The skid-mounted, modular structure allows quick on-site installation. The PLC can communicate with existing plant DCS systems via Modbus or Profibus (optional).
- Compliance & Safety – Designed in accordance with ISO9001 quality standards and OHSAS18001 safety guidelines, the evaporator includes multiple safety features to protect operators and the environment.
- Customizable Configuration – We offer tailored solutions including number of effects, heat transfer area, pump selection, and automation level to match specific process requirements.
Why Choose Qingdao Conqinphi Environmental Technology Group?
With over 9 years of manufacturing experience, our company occupies a factory area of 10,000–30,000 square meters and employs 201–300 skilled professionals. Our annual export value exceeds US$10 million, serving clients across North America, South America, Europe, Asia, Africa, and Oceania. We hold multiple certifications including ISO9001, ISO14000, OHSAS18001, and HACCP, reflecting our commitment to quality and environmental management. Every evaporator undergoes rigorous testing before shipment, and our after-sales team provides comprehensive technical support, installation guidance, and spare parts supply. When you choose our 304 Stainless Steel Multi-effect Crystallizing Evaporator, you invest in reliability, efficiency, and long-term partnership.
Frequently Asked Questions
-
Q: What industries is this evaporator suitable for?
A: It is ideal for wastewater treatment (e.g., zero liquid discharge), chemical processing, food & beverage concentration (e.g., juice, dairy), pharmaceutical crystallization, and salt production. -
Q: How many effects can be configured?
A: Typically 2 to 4 effects, depending on your energy-saving targets and feed characteristics. We can design more effects upon request. -
Q: Can I use electricity instead of steam for heating?
A: The standard design uses steam heating. However, we can customize an electric heating version or thermal oil heating as an alternative. -
Q: Does the PLC support remote monitoring?
A: Yes, an optional Ethernet or wireless module can be added for remote data access and control via a computer or mobile device. -
Q: What is the lead time for this evaporator?
A: Standard lead time is 45–60 days after order confirmation, depending on customization complexity. -
Q: How do you ensure product quality?
A: We follow ISO9001 procedures, from material procurement to fabrication, assembly, and performance testing. Each unit is tested under simulated working conditions before delivery. -
Q: Do you provide installation and training?
A: Yes, our engineers can supervise installation on-site (travel costs apply) and provide operational training for your team. Detailed manuals and video tutorials are also available. -
Q: What spare parts are included?
A: We include a standard set of spare parts such as gaskets, seals, and a few sensors. Additional parts can be supplied as per your maintenance plan.
Conclusion
Our 304 Stainless Steel Multi-effect Crystallizing Evaporator with PLC Control, 500kg/h Capacity, Steam Heating represents a smart investment for industries seeking efficient, automated, and durable evaporation and crystallization solutions. Backed by a strong manufacturer with global reach and proven certifications, this equipment will help you reduce operational costs, improve product quality, and meet environmental regulations. Contact us today for a customized quotation or technical consultation.
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