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Help CenterAmmonium Chloride MVR Cooling Crystallizer With Forced Circulation 316L 10-50m³/day Semi-Auto
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Qingdao Conqinphi Environmental Technology Group Co., Ltd. is proud to present our Ammonium Chloride MVR Cooling Crystallizer with Forced Circulation 316L, a high-efficiency solution designed for the recovery of ammonium chloride from industrial wastewater or process streams. Built with premium 316L stainless steel and a semi-automatic control system, this crystallizer achieves daily capacities from 10 to 50 m³, making it ideal for mid-scale chemical, pharmaceutical, and fertilizer manufacturing operations. Our forced circulation design ensures stable crystal growth, while MVR technology dramatically reduces energy consumption compared to traditional evaporation systems.
This equipment is engineered to handle corrosive ammonium chloride solutions with minimal maintenance. The 316L material offers excellent resistance to chloride pitting and stress corrosion, extending service life even under aggressive operating conditions. With over 9 years of manufacturing expertise and a factory size of 10,000–30,000 square meters, Conqinphi delivers reliable crystallization solutions that help customers lower operational costs and meet environmental discharge standards.
Key Features & Technical Specifications
- 316L Stainless Steel Construction: All wetted parts made from 316L stainless steel for outstanding corrosion resistance against chloride ions, ensuring long-term durability and low maintenance.
- Forced Circulation Design: External circulation pump ensures uniform supersaturation, preventing scaling and promoting consistent large crystal formation.
- MVR (Mechanical Vapor Recompression) Technology: Recycles latent heat of vaporization, reducing energy consumption by up to 60–80% compared to single-effect evaporators.
- Semi-Automatic Operation: PLC-based control with HMI touchscreen enables easy monitoring of temperature, pressure, flow, and density; automatic alarm and shutdown features minimize operator intervention.
- Adjustable Capacity Range: Daily processing capacity from 10 m³ to 50 m³, customizable to match specific production requirements (optional higher capacities available upon request).
- Compact Footprint: Modular skid-mounted design saves floor space and simplifies installation and commissioning.
- Low Scaling & Easy Cleaning: Optimized flow velocity and anti-fouling design reduce salt deposition; CIP (Clean-in-Place) connections are optional.
- Customizable Auxiliary Systems: Options include automatic centrifuge, belt conveyor, drying system, and slurry pre-concentration unit.
| Parameter | Value |
|---|---|
| Material | 316L Stainless Steel |
| Daily Capacity | 10 – 50 m³/day |
| Evaporation Method | MVR (Mechanical Vapor Recompression) |
| Circulation Type | Forced Circulation |
| Operation Mode | Semi-Automatic (PLC + HMI) |
| Compressor Type | Centrifugal / Roots (optional) |
| Design Temperature | Customizable (typically 60–90 °C) |
| Power Consumption | ~25–50 kWh per m³ of evaporated water |
| Crystal Purity | ≥99% (depending on feed quality) |
Advantages for Your Production:
- Energy Saving: MVR technology eliminates the need for external steam supply, cutting operational costs dramatically. Typical electricity consumption is only 25–50 kWh per ton of water evaporated.
- High Crystal Quality: Forced circulation provides excellent mixing and uniform supersaturation, resulting in coarse, well-shaped ammonium chloride crystals that are easy to filter and dry.
- Reduced Downtime: 316L material resists chloride corrosion, and the anti-scaling design minimizes cleaning frequency, ensuring continuous production uptime of over 90%.
- Environmentally Friendly: The closed-loop MVR system reduces wastewater discharge and recovers valuable ammonium chloride, supporting circular economy goals.
- Flexible Integration: The semi-auto control can be integrated with existing DCS or SCADA systems for plant-wide automation (optional).
Qingdao Conqinphi Environmental Technology Group has been a trusted manufacturer since 2015, occupying a 10,000–30,000 m² factory with 201–300 skilled employees. Our annual export value reaches US$10–50 million, serving markets across North America, South America, Europe, Africa, Southeast Asia, and Oceania. We have obtained multiple quality management certifications including ISO9001 and ISO14000, and our products are shipped from Qingdao Port with rigorous quality inspection. Over the years, we have delivered more than 200 crystallization systems worldwide, with consistent positive feedback on reliability and efficiency.
Why Choose Conqinphi? Our engineering team provides comprehensive technical support from process design to commissioning. We offer a one-year warranty on all components and lifetime spare parts availability. With a strong focus on customer satisfaction, we customize the crystallizer to fit your specific ammonium chloride concentration, impurity profile, and site constraints. Contact us today to request a quotation or a free process simulation report.
Frequently Asked Questions
-
Q: What is the main advantage of using MVR technology over traditional single-effect evaporation?
A: MVR (Mechanical Vapor Recompression) utilizes a compressor to raise the pressure and temperature of the vapor, then recycles it as the heating medium. This reduces energy consumption by up to 80% compared to conventional evaporators, leading to significant operational cost savings. -
Q: Can this crystallizer handle ammonium chloride solutions with high impurity content?
A: Yes, the forced circulation design maintains excellent mixing and uniform temperature, which helps to prevent scaling even with moderate impurity levels. Pre-treatment (e.g., filtration or pH adjustment) can be added if needed to further improve crystal purity. -
Q: Is the 316L material sufficient for concentrated ammonium chloride at high temperatures?
A: 316L stainless steel offers good resistance to chloride-induced stress corrosion cracking up to about 60–90°C. For extremely high chloride concentrations or higher temperatures, super duplex or titanium can be offered as an optional upgrade. -
Q: How does the semi-automatic control work? Do I need a dedicated operator?
A: The PLC-based system monitors key parameters and automatically adjusts valves and pumps. It requires an operator to start/stop the process and handle periodic inspections, but does not need continuous manual supervision. Optional remote monitoring is also available. -
Q: What is the typical delivery time for a 30 m³/day unit?
A: Standard lead time is approximately 8–12 weeks after order confirmation, depending on customization requirements. We work closely with logistics to ensure timely shipment from Qingdao Port. -
Q: Can you provide a complete crystallization line including centrifuge and dryer?
A: Yes, we offer integrated solutions. The crystallizer can be supplied together with a pusher centrifuge, fluidized bed dryer, and automatic bagging system as a complete package. Please specify your requirements. -
Q: What is the warranty period and what does it cover?
A: We provide a 12-month warranty from the date of commissioning, covering manufacturing defects in materials and workmanship. Spare parts are available at cost after the warranty period. -
Q: Do you have reference installations for ammonium chloride crystallization?
A: Absolutely. We have successfully delivered similar MVR forced circulation crystallizers for ammonium chloride recovery in fertilizer plants and chemical factories in Southeast Asia and South America. References can be provided upon request.
Ready to optimize your ammonium chloride recovery? Contact Qingdao Conqinphi today for a tailored solution that improves your bottom line and environmental performance.
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