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Ethanol Crystallizer MVR SS316L Single Effect Falling Film Evaporator

Categories MVR Evaporator
Brand Name: HANPU
Model Number: MVR
Certification: ISO9001,CE
Place of Origin: Jiangsu,China
MOQ: 1 set
Price: 100,000USD~2,500,000USD/SET
Payment Terms: T/T,L/C,D/A,D/P
Supply Ability: 1 set/90days
Delivery Time: 3 months
Packaging Details: Bulk with includes fixtures
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Ethanol Crystallizer MVR SS316L Single Effect Falling Film Evaporator

Ethanol Crystallizer — MVR SS316L Single-Effect Falling Film Evaporator
SS316L single-effect falling film MVR evaporator with ethanol crystallizer integration

Engineer-to-order single-effect falling film evaporator in SS316L, integrated with MVR (Mechanical Vapor Recompression) and an ethanol crystallizer section for solvent recovery, concentration, and controlled crystallization (API/fine chemicals/bioproducts). Vacuum operation and recompressed vapor duty provide low temperature, high efficiency, and consistent crystal quality.

Key Benefits
  • Energy efficient: MVR recycles latent heat; minimal fresh steam after start-up.
  • Crystal control: Tight supersaturation and residence-time management for narrow particle size.
  • Product protection: Low ΔT falling-film duty preserves thermally sensitive actives.
  • Clean & compliant: SS316L contact surfaces, drainable layouts, CIP-ready; solvent safety options.
  • Solvent economy: High-purity ethanol condensate suitable for reuse after polishing.
Process & Thermal Economy

Secondary vapor is mechanically compressed to elevate saturation temperature and reused as the heating medium. Falling-film operation maintains uniform film temperature and high heat-transfer coefficients, limiting degradation and fouling while stabilizing supersaturation for crystallization downstream.

Materials & Safety

Wetted parts in SS316L (Duplex/Ti/Hastelloy on request). Solvent-service options: explosion protection (ATEX/NFPA concepts), nitrogen blanketing, solvent-rated seals, LEL monitoring, and conductive gaskets/hoses.

Process Overview — Ethanol Concentration & Crystallization
Flow: feed conditioning → single-effect falling film MVR → ethanol condensate polishing → crystallizer → solid-liquid separation
  • Feed conditioning: filtration/degassing; pH or seed addition if required.
  • Single-effect MVR evaporation (vacuum): compressor discharge sets ΔT; shell pressure defines boiling point.
  • Crystallizer: controlled cooling/evaporation; seed loading for PSD tuning and habit control.
  • Solid–liquid separation: centrifuge/filter; mother liquor recycle or recovery.
  • Condensate handling: polishing (AC/ion exchange) for ethanol reuse; VOC management as required.
Key Components
  • Falling-film evaporator (single effect) with vapor–liquid separator
  • MVR mechanical vapor compressor (turbo/Roots) with VFD
  • Crystallizer (DTB/OSLO or FC with cooling coil/HX), seed/feed systems
  • Condenser, vacuum/NCG handling, solvent-rated piping and valves
  • PLC/HMI/SCADA; instruments (T/P/flow/cond/level/VOC/LEL); CIP skid
Performance & Sizing
ParameterTypical Range*
OperationContinuous, vacuum
Electric use (MVR)~15–40 kWh per ton of water/solvent evaporated
Film ΔTLow (duty/CR dependent) to protect heat-sensitive actives
Crystal PSD (D50)Tunable via seed load, ΔT, and residence time
MaterialsSS316L standard; Duplex/Ti/Hastelloy optional

*Performance depends on feed composition, viscosity/fouling tendency, compression ratio, and crystallization kinetics.

FAQ
Can one system both concentrate and crystallize?

Yes—falling-film MVR provides gentle concentration; the downstream crystallizer finalizes PSD and purity.

How is solvent safety addressed?

Options include nitrogen inerting, LEL/VOC monitoring, conductive components, and explosion-protection design per code.

What about ethanol recovery quality?

Condensate polishing (e.g., carbon/IX) delivers high-purity ethanol suitable for reuse, reducing make-up solvent cost.

Application
Applications: solvent recovery, API/fine chemicals crystallization, bio-based products
Quality Ethanol Crystallizer MVR SS316L Single Effect Falling Film Evaporator for sale
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