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Chemical Effluent MVR Evaporator

Brine Treatment Mvr Evaporator

Chemical mvr evaporation system

Basic Infomation

Place of Origin: China

Brand Name: Hanpu

Certification: ce，iso

Model Number: MVR

Payment & Shipping Terms

Packaging Details: Packing in wooden case

Delivery Time: 90days-150days

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Brine Treatment Mvr Evaporator Chemical Effluent Desalination Steam Compressor

Product Description

Brine Treatment MVR Evaporator with Steam Compressor

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

Parameter	Typical Range*
Operation	Continuous, 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 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
Materials	SS316L / 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

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Contact Person :	Mr. Jim(General Director)
Tel :	+8613962270688
Fax :	86-512-58797983

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