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Jiangsu Hanpu Mechanical Technology Co., Ltd

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China Falling Film Wastewater MVR Evaporator System For Crystallization Chemical
China Falling Film Wastewater MVR Evaporator System For Crystallization Chemical

  1. China Falling Film Wastewater MVR Evaporator System For Crystallization Chemical
  2. China Falling Film Wastewater MVR Evaporator System For Crystallization Chemical
  3. China Falling Film Wastewater MVR Evaporator System For Crystallization Chemical

Falling Film Wastewater MVR Evaporator System For Crystallization Chemical

  1. MOQ: 1 set
  2. Price: 200,000USD~1,000,000USD/SET
  3. Get Latest Price
Payment Terms T/T,L/C,D/A,D/P,Western Union
Supply Ability 1 set/month
Delivery Time 90days
Packaging Details Bulk
Brand Name HANPU
Model Number MVR
Certification ISO,CE
Place of Origin Jiangsu,China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T,L/C,D/A,D/P,Western Union Supply Ability 1 set/month
Delivery Time 90days Packaging Details Bulk
Brand Name HANPU Model Number MVR
Certification ISO,CE Place of Origin Jiangsu,China
High Light Falling Film Wastewater MVR EvaporatorMVR Evaporator For CrystallizationChemical Desalination MVR Evaporator
Falling Film Wastewater MVR Evaporator System For Crystallization & Chemical Desalination
Falling-film MVR evaporator for wastewater crystallization and chemical desalination

Engineer-to-order falling film MVR (Mechanical Vapor Recompression) evaporator for wastewater concentration, chemical desalination, and salt crystallization. Thin-film vacuum boiling protects heat-sensitive streams while MVR recycles latent heat, delivering low OPEX, deep TDS reduction, and continuous, stable operation for ZLD schemes.

Key Benefits
  • High energy efficiency: Electric-driven vapor recompression minimizes fresh steam after start-up.
  • Desalination & crystallization: Drives brine to supersaturation for salt recovery and reduced discharge.
  • Low ΔT, high quality: Falling-film duty preserves organics and limits thermal degradation/foaming.
  • Scaling mitigation: Optimized ΔT/LMTD and film distributors, antiscalant dosing, CIP-ready design.
  • Automated uptime: PLC/HMI recipes, alarms, historian, and remote diagnostics for 24/7 operation.
Process & Thermal Economy

Secondary vapor is mechanically compressed to elevate saturation temperature and reused as the heating medium. Even film distribution over vertical exchangers maintains high heat-transfer coefficients; controlled residence time and pressure/ΔT setpoints enable predictable desalination and crystallization with low specific energy.

Materials & Cleanability

Wetted parts in SS316L/duplex (Ti/Hastelloy optional). Drainable layouts, large access for inspection, validated CIP, and elastomer/material selections per chemistry (chlorides, solvents, acids/alkalis).

Process Overview — Wastewater Desalination to Crystals
Flow: feed conditioning → falling-film MVR evaporation (vacuum) → condensate polishing → crystallizer → centrifuge/dryer → solids discharge/ZLD
  • Feed conditioning: screening/filtration, softening or pH trim, antiscalant to control Ca/Mg/Si scaling.
  • MVR falling film (vacuum): VFD compressor controls ΔT; shell vacuum defines boiling point.
  • Crystallization: seeded growth (DTB/OSLO/FC) for targeted PSD and purity; mother liquor recycle.
  • Condensate polishing: filters/RO/AC to meet reuse or discharge limits (conductivity/TOC guard).
  • Solids handling/ZLD: centrifuge → dryer → regulated disposal or resource recovery.
Key Components
  • Falling-film evaporator body with film distributors and vapor–liquid separator
  • MVR mechanical vapor compressor (turbo/Roots) with VFD for ΔT/capacity control
  • Surface condenser, vacuum/NCG handling, preheaters/heat recovery HX
  • Crystallizer, centrifuge, dryer; condensate polishing skid
  • PLC/HMI/SCADA; instruments (T/P/flow/cond/level); CIP and antiscalant dosing
Performance & Sizing
Parameter Typical Range*
Operation Continuous, vacuum
Electric use (MVR) ~15–40 kWh per ton of water evaporated
Shell pressure ~6–25 kPa(abs), duty-dependent
Desalination depth Up to crystallization/solid discharge (feed-dependent)
Materials SS316L / duplex; Ti/Hastelloy on request

*Actual performance depends on feed salinity/COD, fouling tendency, compression ratio, and crystallizer design.

FAQ
Can it follow membranes to reach ZLD?

Yes—common flowsheets pair RO/NF pre-concentration with falling-film MVR and a crystallizer for final solids discharge.

How do you control scaling on high-TDS streams?

Through pretreatment, optimized film ΔT/velocity, antiscalant dosing, and scheduled CIP with online fouling indicators.

What condensate quality is achievable?

Low conductivity/TOC suitable for reuse after polishing; quality guards ensure compliance with site limits.

Application
Applications: chemical desalination, high-salinity wastewater concentration, and ZLD crystallization

Company Details

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Jiangsu Hanpu Mechanical Technology Co., Ltd. is a project engineering company jointly established by Jiangsu Zhongyi Environmental Technology Co., Ltd., FERREO A/S in Denmark, Shanghai Jiaotong University and Nanjing Kingreat Machinery Co., Ltd. The company's production base is located in the H... Jiangsu Hanpu Mechanical Technology Co., Ltd. is a project engineering company jointly established by Jiangsu Zhongyi Environmental Technology Co., Ltd., FERREO A/S in Denmark, Shanghai Jiaotong University and Nanjing Kingreat Machinery Co., Ltd. The company's production base is located in the H...

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  • Jiangsu Hanpu Mechanical Technology Co., Ltd
  • Junmin Road, Huangqiao Industrial Park, Taixing, Jiangsu, China (Mainland)
  • https://www.hanputhermal.com/

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