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MVR Falling Film Evaporator In Sugar Industry Multiple Effect

MVR Falling Film Evaporator in Sugar Industry — Multiple Effect

Hybrid MVR + multiple-effect falling-film evaporator train for sugar concentration

Hybrid MVR falling film evaporator integrated with a multiple-effect (MEE) train for raw, refined, and back-end molasses clarification lines. The system concentrates juice/syrup at low temperature under vacuum, recycling latent heat via mechanical vapor recompression for low OPEX, improved color control, and stable throughput during long campaigns.

Key Benefits

Energy economy: MVR duty plus staged effects cuts steam consumption and boiler load.
Product quality: Low ΔT falling film preserves sucrose, reduces inversion and color formation.
High capacity: Even film distribution and optimized residence time deliver steady °Brix rise.
Cleanability: CIP-ready geometry with scale control for long, predictable campaigns.
Flexible retrofit: Add MVR to existing effects or deploy as a greenfield hybrid line.

Process & Thermal Economy

Juice/syrup enters preheaters, then flows as a thin film down vertical tubes at vacuum. Vapor from later effects is mechanically recompressed and reused as the primary heating medium. Balanced ΔT/LMTD and circulation maintain high coefficients with minimized sucrose degradation.

Materials & Hygiene

Wetted parts in SS316L (duplex/Ti on request). Food-grade finishes, drainable layouts, and validated CIP support HACCP/ISO programs in sugar processing.

Process Overview — Sugar Juice/Syrup Concentration

Flow: juice heating → multiple-effect falling-film → MVR recompression → condensate polishing → syrup to pan/seed crystallization

Feed prep: clarification/filtration, pH trim, antiscalant (Ca/Mg/Si control) as required.
Multiple effects (vacuum): staged shell pressures reduce boiling point progressively.
MVR module: compressor raises vapor temperature; provides primary duty to lead effect(s).
Condensate management: polishing for reuse; conductivity/TOC guard optional.
To pan/crystallization: target °Brix delivered with stable color and viscosity.

Key Components

Falling-film calandrias per effect with distributors and vapor–liquid separators
MVR compressor (turbo/Roots) with VFD for ΔT/capacity control
Preheaters, surface condenser, vacuum/NCG handling skid
PLC/HMI/SCADA; instruments (T/P/flow/cond/level/°Brix)
CIP skid; antiscalant dosing and fouling monitors

Performance & Sizing

Parameter	Typical Range*
Effects	3–6 (plus MVR hybrid module)
Steam economy (SE)	~3–7 (higher with MVR integration)
Operating mode	Vacuum, continuous
Product outlet	Target °Brix to pan (feed-dependent)
Materials	SS316L standard; duplex/Ti optional

*Performance depends on juice quality, color/ash, compression ratio, and fouling tendency.

FAQ

Can MVR be retrofitted to our existing effects?

Yes. A lead-effect MVR module or hybrid tie-in can reduce steam demand without replacing the whole train.

How is sucrose inversion minimized?

Operate at low ΔT and vacuum, limit residence time, and maintain pH control; CIP restores peak heat transfer.

What about scale on tubes?

Softening/antiscalant, optimized velocity/ΔT, and scheduled CIP windows maintain coefficients across the campaign.

Application

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Categories	MVR Evaporator
Brand Name:	HANPU
Model Number:	MVR
Certification:	CE，ISO9001
Place of Origin:	Jiangsu,China
MOQ:	1 set
Price:	100,000USD~2,000,000USD/SET
Payment Terms:	T/T,L/C,D/A,D/P
Supply Ability:	1 Set/3 months
Delivery Time:	90 days
Packaging Details:	Package with strong strap