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Triple effect evaporation crystallization system for NaCl Chinese supplier

Categories Multiple Effect Evaporator
Brand Name: Hanpu
Model Number: MVR
Certification: CE ISO
Place of Origin: China
MOQ: 1sets
Price: USD18,0000-USD65,0000
Supply Ability: 1set per month
Delivery Time: 60-90 working days
Packaging Details: standard exported wooden case
Name: Triple effect evaporation crystallization system
Key sales points: Energy saving
Application: Chemical Industry
Type: Forced circulation
Certificate: ISO
Warranty: 1 year
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Triple effect evaporation crystallization system for NaCl Chinese supplier

Triple Effect Evaporation Crystallization System for NaCl — Chinese Supplier
As a leading China-based manufacturer, Hanpu delivers turnkey triple-effect falling-film evaporation and vacuum crystallization systems tailored for sodium chloride (NaCl) recovery and refinery brines. Our solution converts saturated or impure brine into >99.5–99.9% NaCl crystals with excellent steam economy, stable quality, and fully automated operation.
Triple Effect Falling Film Evaporation Line for NaCl
Energy Efficient by Design
Three effects in cascade reuse latent heat. Typical steam economy: 1 kg steam evaporates 3.5–4.0 kg water (with TVR/MVR options for further savings).
NaCl-Focused Process Control
Inline density/conductivity, vacuum regulation, and mother-liquor recycle deliver tight crystal size and purity for table salt or chlor-alkali feed.
Hygienic, Easy to Maintain
Mirror-polished seamless tubes minimize fouling and ease CIP; short residence time protects product whiteness.
Process Flow — Triple Effect + Vacuum Crystallization
  1. Feed & Preheat: Raw brine is metered through preheaters to the 1st-effect heater.
  2. Effect 1 → Effect 2 → Effect 3: Live steam heats Effect 1; its vapor heats Effect 2; Effect 2 vapor heats Effect 3 under lower pressure and temperature.
  3. Concentration Control: Online density targets trigger discharge to the crystallizer or recycle for re-evaporation.
  4. Vacuum Crystallization: Concentrated liquor flashes/boils under vacuum to form pure NaCl crystals; centrifuge or filter separates crystals and mother liquor.
  5. Condensation & Utilities: Final vapor condenses in the condenser; clean condensate is recovered. Non-condensables are removed via vacuum pump.
System Structure
Three effects (heaters & separators), preheaters, vacuum crystallizer with circulation pump, condenser & vacuum set, feed/circulation/discharge/condensate pumps, centrifuge (optional), CIP skid, PLC/HMI with historian, and full instrumentation (T/P/level/flow/vacuum/conductivity).
Typical Triple-Effect Falling-Film — Illustrative Specifications
ParameterUnitValue (Example)
Evaporation capacitykg/h3,000 – 50,000
Raw steam consumptionkg/h~900 @ 3,000 kg/h duty (≈30% of single-effect)
Evaporation temperature (1st / 2nd / 3rd)°C≈99 / 76 / 53 (vacuum)
Steam pressure (1st effect)MPa (abs)0.6 – 1.0
Materials of constructionSS304 / SS316L (Duplex/Ti on request)
Crystal purity (NaCl)%>99.5–99.9 (process-dependent)
AutomationPLC/HMI, recipe control, alarms & interlocks, data logging
Applications
  • NaCl Production: Table salt and chlor-alkali feed with controlled crystal size.
  • Brine Refining & ZLD: Desalination reject, mining brine, and chemical effluents.
  • Integration: Compatible with RO/NF pretreatment and forced-circulation crystallizers.
Delivery Workflow
Feed & targets → Bench/pilot (optional) → Process & heat balance → Detailed engineering & fabrication → Installation & commissioning → Performance test & training → O&M support with spares.
About Hanpu
Hanpu is a professional EPC supplier of evaporation and crystallization systems in China. We focus on energy-saving multiple-effect and MVR technologies for salts and industrial wastewater. From feasibility and investment analysis to long-term operations, we deliver predictable payback, safety, and consistent quality.
Quality Triple effect evaporation crystallization system for NaCl Chinese supplier for sale
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