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Pillow Plate Falling Film Evaporator Customized SS304

Categories MVR Evaporator
Brand Name: HANPU
Model Number: MVR
Certification: CE,ISO9001
Place of Origin: Jiangsu,China
MOQ: 1 set
Price: 200,000USD~20,000,000USD
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 1 Set/3 months
Delivery Time: 3 months
Packaging Details: Package with strong strap
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Pillow Plate Falling Film Evaporator Customized SS304

Pillow Plate Falling Film Evaporator — Customized SS304
Customized SS304 pillow plate falling film evaporator with laser-welded dimple plates

Laser-welded pillow plate panels in SS304 form the heating surfaces of this falling film evaporator, delivering high heat-transfer area density with wide, non-clogging channels. The design supports gentle vacuum evaporation, uniform film distribution, and easy cleanability. Configurable for food, chemicals, and environmental duties, with optional TVR/MVR for enhanced energy efficiency.

Key Benefits
  • Efficient heat transfer: Turbulent flow inside pillow plates boosts coefficients at low ΔT.
  • Fouling tolerance: Wide channels handle particulates and viscous feeds better than narrow-gap plates.
  • Uniform film: Optimized distributors ensure even wetting, stable evaporation, and product quality.
  • Hygienic & serviceable: Smooth SS304 surfaces, CIP-ready geometry, easy access for inspection.
  • Scalable & modular: Add/remove plates to match capacity; upgrade path to TVR/MVR to cut OPEX.
Process & Thermal Economy

Feed is preheated and distributed as a thin film over pillow plate panels under vacuum. Evaporation occurs at low temperature; vapor is separated and condensed. Optional TVR or MVR recycles latent heat, lowering specific energy consumption while maintaining product quality.

Materials & Cleanability

Standard wetted materials: SS304 pillow plates and headers; options include SS316L/duplex/Ti for chloride or corrosive service. Sanitary finishes, drainable piping, CIP spray devices, and validated cleaning recipes available.

Process Overview — Pillow Plate Falling Film
Flow: feed conditioning → pillow plate falling film evaporation (vacuum) → vapor separation/condensation → condensate polishing → concentrate handling
  • Feed conditioning: screening/filtration, pH trim, antiscalant as required.
  • Falling film (vacuum): uniform distribution over pillow plates; low ΔT to protect product.
  • Vapor handling: separator → condenser; optional TVR/MVR for energy recovery.
  • Condensate: polishing to reuse or discharge spec (conductivity/TOC guard optional).
  • Concentrate routing: to crystallizer/centrifuge/dryer or recycle per flowsheet.
Key Components
  • Laser-welded SS304 pillow plate evaporator stack with distributors and collectors
  • Vapor–liquid separator, surface condenser, vacuum/NCG handling skid
  • Preheaters/heat-recovery exchangers; optional TVR ejector or MVR compressor
  • Instrumentation (T/P/flow/cond/level), PLC/HMI/SCADA with historian
  • CIP skid and chemical dosing for scale control
Performance & Sizing
ParameterTypical Range*
OperationContinuous, vacuum duty
Film ΔTLow (design-dependent) for gentle evaporation
Steam economySE ~1.0 (single effect); higher with TVR/MVR
Viscosity windowLow to medium-high; wide channels improve tolerance
MaterialsSS304 standard; SS316L/duplex/Ti optional

*Actual performance depends on feed composition, fouling tendency, and selected energy-recovery option.

FAQ
When choose pillow plate over shell-and-tube?

Pillow plates offer compact area, wide channels, and easy modular scaling—ideal for moderate fouling and hygienic duties.

Can the unit be upgraded to MVR later?

Yes. The pillow plate body can integrate TVR initially and be upgraded to MVR to further reduce specific energy use.

Is SS304 sufficient for chloride service?

For elevated chlorides or aggressive chemistry, we recommend SS316L/duplex or Ti for improved corrosion resistance.

Application
Applications: food and beverage concentration, chemical intermediates, and wastewater volume reduction with pillow plate evaporator
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