Jiangsu Hanpu Mechanical Technology Co., Ltd
Jiangsu Hanpu Mechanical Technology Co., Ltd
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Engineer-to-order Mechanical Vapor Recompression (MVR) evaporator designed for 24/7 continuous operation and fully automatic control in industrial wastewater treatment and ZLD schemes. By recompressing secondary vapor as the primary heat source, the system delivers low OPEX, stable throughput, and high-quality condensate for reuse.
High-salinity brines, RO/NF concentrates, dye/printing effluents, chemical & pharma mother liquors, landfill leachate, and other high-COD streams requiring volume reduction, resource recovery, or ZLD compliance.
Secondary vapor is mechanically compressed to raise temperature and reused as the heating medium, maximizing latent heat recovery and reducing utility bills.
Closed-loop control of level, ΔT, pressure, and conductivity; interlocks for compressor/VFD, vacuum system, and condensate quality guard.
SS316L/duplex for wetted parts, drainable layouts, anti-scale dosing, and validated CIP for long, stable campaigns.
| 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 |
Can this system integrate into our ZLD plant?
Yes. Common flowsheets pair RO/NF pre-concentration with MVR for final concentration/crystallization and solid handling.
How is fouling controlled?
Proper softening/pH control, optimized LMTD/velocity, anti-scale dosing, and scheduled CIP cycles with online monitoring.
Is it fully automatic?
PLC recipes, alarm interlocks, historian, and optional remote service support continuous, unmanned operation.