Forced Circulation Evaporator is a robust industrial evaporation system designed for concentrating viscous, fouling, or crystalline solutions. It uses a high-flow pump to circulate liquid through a heat exchanger at high velocity, preventing scaling and ensuring efficient heat transfer. Ideal for challenging applications where falling film or natural circulation evaporators are ineffective, this system excels in handling high-solid content, corrosive fluids, and solutions prone to crystallization.
| Project | Single-effect | Double-effect | Triple-effect | Four-effect | Five-effect |
| Water Evaporation Capacity (kg/h) | 100-2000 | 500-4000 | 1000-15000 | 8000-40000 | 10000-60000 |
| Steam Pressure (MPa) | 0.5-0.8Mpa | ||||
| Steam Consumption/Evaporation Capacity (Thermal Compression Pump) | 0.65 | 0.38 | 0.28 | 0.23 | 0.19 |
| Steam Pressure (MPa) | 0.1-0.4Mpa | ||||
| Steam Consumption/Evaporation Capacity | 1.1 | 0.57 | 0.39 | 0.29 | 0.23 |
| Evaporation Temperature (℃) | 45-95℃ | ||||
| Cooling Water Consumption/Evaporation Capacity | 28 | 11 | 8 | 7 | 6 |
| Remark: In addition to the specifications in the table, can be separately designed according to customer’s specific material. | |||||
High-Velocity Circulation
Crystallization Control: Integrated solids separation and adjustable circulation rates for crystal size management.
Advanced Materials: SUS304/SUS316L.
Energy Recovery: Mechanical Vapor Recompression (MVR) or Thermal Vapor Recompression (TVR) for energy efficiency.
Modular Design: Pre-assembled components reduce installation time and costs.
Automated Scaling Prevention (Optional): Real-time monitoring and control of flow velocity and temperature gradients.
High Reliability: Designed for continuous operation with minimal maintenance.
Fouling Resistance: High fluid velocity prevents scaling on heat exchange surfaces.
Crystallization Capability: Effective for solutions requiring crystal production or high-solid concentration.
Customizable Configuration: Vertical or horizontal design, single or multiple effects.
Safety Compliance: Meets industry-specific safety standards.
Wide Viscosity Range
Automated Operation (Optional): PLC control with remote monitoring and diagnostics.
Chemical Processing: Salt production, caustic concentration, fertilizer manufacturing.
Mining & Metallurgy: Acid recovery, tailings concentration, leachate processing.
Food Industry: Sugar syrup concentration, dairy byproduct processing.
Pharmaceuticals: Crystallization of APIs, solvent recovery.
Environmental: Zero liquid discharge (ZLD) systems, wastewater volume reduction.
Pulp & Paper: Black liquor concentration, chemical recovery.
Proven Performance: 20+ years of specialized expertise in handling challenging fluids.
Operational Efficiency: High heat transfer coefficients and reduced downtime for cleaning.
Durability: Robust construction ensures long service life even with abrasive fluids.
Energy Optimization: MVR/TVR integration reduces steam consumption by up to 90%.
Global Support: 24/7 technical assistance.
Certification Compliance: in line with GMP standards.
Forced circulation evaporator is composed of
– Heater; Separator; Vapor-liquid separator; Condenser; Vacuum pump; Forced circulation pump; Discharging pump; Condensate pump; Electrical cabinet; Operation platform and all the pipe fittings & valves & instruments, etc.
Heater: vertical type tubular heater connect in series. The feed liquid is pumped into the first heater by forced circulation pump, then enters into the second heater. The heated liquid flow downwards in tubes, and flow into separator by tangential direction, better performance of vapor-liquid separation.
Separator: vertical type, the secondary steam is discharged from the top, pass through a vapor-liquid separator before entering into condenser. The bottom of separator is connected with a forced circulation pump.
Vapor-liquid separator: is used to prevent tiny liquid drops produced during evaporation from escaping with secondary steam, reducing loss of feed liquid and prevent pollution to pipeline and cooling water.
Condenser: condensate the huge secondary steam produced during evaporation into liquid by cooling water, making concentration carrying on smoothly. Meanwhile, separate non-condensable vapor from secondary steam and cooling water, make it easily pumped out by vacuum pump to guarantee vacuum degree.
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