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Brine Treatment Mvr Evaporator Chemical Effluent Desalination Steam Compressor

Categories MVR Evaporator
Brand Name: Hanpu
Place of Origin: China
Certification: ce,iso
MOQ: 1set
Price: 100000
Packaging Details: Packing in wooden case
Delivery Time: 90days-150days
Model Number: MVR
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Brine Treatment Mvr Evaporator Chemical Effluent Desalination Steam Compressor

Brine Treatment MVR Evaporator — Chemical Effluent Desalination with Steam Compressor
MVR evaporator with steam compressor for brine treatment and chemical effluent desalination

Engineer-to-order MVR (Mechanical Vapor Recompression) evaporator for brine treatment and chemical effluent desalination. A high-efficiency steam compressor mechanically recompresses secondary vapor to provide the heating duty, cutting fresh steam consumption and enabling continuous, low-OPEX operation for ZLD and resource recovery schemes.

Key Benefits
  • Deep desalination: high condensate quality for reuse; significant brine volume reduction.
  • Energy savings: latent heat recycled by steam compressor; minimal fresh steam after start-up.
  • Scalant control: optimized ΔT/LMTD and velocities reduce scaling on saline/chemical feeds.
  • Continuous uptime: 24/7 automatic operation with redundancy and CIP-ready design.
  • ZLD-ready: integrates with crystallizer, centrifuge, and dryer for solid salt discharge.
Process & Thermal Economy

Secondary vapor is mechanically compressed to elevate saturation temperature and reused as the primary heat source. Tight control of pressure, ΔT, and circulation rates maximizes heat-transfer efficiency, lowers utilities, and stabilizes product quality across variable effluents.

Controls & Safety

PLC/HMI with closed-loop regulation of level, pressure, ΔT, and conductivity. Interlocks for compressor/VFD, vacuum/NCG handling, condensate quality guard, and alarm/event historian. Power-quality mitigation (AFE/harmonic filters) optional per site codes.

Materials & Cleanability

Wetted parts in SS316L/duplex (Ti/Hastelloy on request), drainable layouts, anti-scale dosing, and validated CIP for long campaigns. Elastomers and surface finishes selectable for chemical/environmental duties.

Process Overview — Brine Desalination
Process flow: feed conditioning → MVR evaporation with steam compressor → condensate polishing → concentrate/crystallization
  • Feed conditioning: filtration/softening, pH trim, and deaeration to limit scaling/corrosion.
  • MVR evaporation (vacuum): steam compressor sets discharge pressure; shell vacuum defines boiling point.
  • Condensate polishing: optional filters/RO/activated carbon to meet reuse/discharge limits.
  • Concentrate handling: to crystallizer/centrifuge/dryer for solids or recycle per flowsheet.
  • Automation: recipe-based operation for changing chemistries and seasonal conditions.
Key Components
  • MVR evaporator/forced-circulation body with circulation pumps and vapor–liquid separator
  • Steam compressor (centrifugal/turbo or Roots) with VFD for pressure/ΔT control
  • Main heater, preheaters, condensers, vacuum/NCG handling skid
  • PLC/HMI/SCADA; instrumentation (T/P/flow/cond/level); historian & remote access
  • CIP skid; anti-scale dosing; optional condensate polishing filters/RO
Performance & Sizing
ParameterTypical Range*
OperationContinuous, 24/7
Shell pressure (vacuum)~6–25 kPa(abs) (duty-dependent)
Compressor discharge pressure~45–120 kPa(abs) (sets ΔT and capacity)
Electric use (MVR)~15–40 kWh per ton of water evaporated
Fresh steam demandVery low after start-up (backup/ancillary only)
Turndown50–100% with stable ΔT and quality
Availability≥95–98% with redundancy and planned CIP
MaterialsSS316L / duplex; Ti/Hastelloy on request

*Actual performance depends on brine chemistry, viscosity/fouling tendency, compression ratio, and heat-transfer design.

FAQ
Can the system meet strict discharge/reuse limits?

Yes. Condensate polishing and conductivity/TOC guards ensure compliance with site-specific reuse or discharge standards.

How is scaling managed on high-salinity feeds?

By controlling ΔT/LMTD and velocity, using anti-scale dosing, and scheduling CIP based on predictive fouling indicators.

Can it integrate into a ZLD train?

Absolutely. Common flowsheets pair membrane pre-concentration with MVR, followed by crystallization and solid handling.

Application
Brine treatment and chemical effluent desalination applications of MVR evaporator with steam compressor
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