Jiangsu Hanpu Mechanical Technology Co., Ltd
Jiangsu Hanpu Mechanical Technology Co., Ltd
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Engineer-to-order Mechanical Vapor Recompression (MVR) evaporator built in food-grade stainless steel (SS316L/duplex options) for food & beverage, fine chemicals, and environmental duties including ZLD. Operating under vacuum, the system recompresses secondary vapor as the primary heat source to deliver low OPEX, stable throughput, and high-quality condensate suitable for reuse or further polishing.
Food & Beverage: juice, dairy permeate/condensate, syrups, brines · Chemical: inorganic salts, solvent-bearing streams, intermediates · Environmental/ZLD: RO/NF concentrates, high-salinity brines, dye/printing effluents, landfill leachate.
Secondary vapor is mechanically compressed to raise its saturation temperature and recycled as the heating medium, maximizing latent heat recovery, lowering utility bills, and reducing environmental load.
Closed-loop control of level, ΔT, pressure, and conductivity; interlocks for compressor/VFD, vacuum system, and condensate quality guard. Optional power-quality mitigation (AFE/filters) for compliance.
Wetted parts in SS316L/duplex (Ti/Hastelloy on request), food-contact seals and gaskets, anti-scale dosing, and validated CIP for long, stable campaigns and fast turnarounds.
| Parameter | Typical Range* |
|---|---|
| Operation | Continuous, 24/7 |
| Electric use (MVR) | ~15–40 kWh per ton of water evaporated (duty/CR dependent) |
| Fresh steam demand | Very low after start-up (backup/ancillary only) |
| Turndown | 50–100% with stable ΔT and quality |
| Availability | ≥95–98% with redundancy and planned CIP |
| Condensate quality | Low conductivity/TOC (with polishing as required) |
| Materials | SS316L / duplex; Ti/Hastelloy on request |
*Actual performance depends on feed characteristics, compression ratio, and heat-transfer design.
Yes. Common flowsheets pair RO/NF pre-concentration with MVR for final concentration/crystallization and solid handling.
Absolutely. Stainless steel construction, drainability, hygienic design, and validated CIP/SIP support HACCP/ISO programs.
Proper softening/pH control, optimized LMTD/velocity, anti-scale dosing, and scheduled CIP cycles with online monitoring.