Lithium Hydroxide 4T/H Single MVR Evaporator Crystallization System
Brand Name:Hanpu
Certification:CE ISO
Model Number:4T/H
Minimum Order Quantity:1set
Delivery Time:90days
Place of Origin:China
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Product Details
Lithium Hydroxide 4T/H Single MVR Evaporator Crystallization System
Engineered for battery-grade LiOH·H₂O: single-effect MVR concentration with forced-circulation crystallization and continuous solids handling.
Hanpu delivers EPC turnkey MVR evaporator crystallization systems for lithium hydroxide (LiOH·H₂O). This single-effect MVR line is designed for about 4 t/h evaporation duty* (feed-dependent), concentrating lithium liquor and producing stable, low-impurity crystals. We integrate MVR evaporation, forced-circulation crystallizers, pusher centrifuges, crystal washing, and condensate polishing to minimize energy and maximize yield.
*Capacity depends on feed concentration, temperature window, and required crystal specifications.
Production challenges we solve
High steam use and OPEX, chloride-induced corrosion, scaling/fouling at high LiOH concentrations, off-spec condensate quality, and unstable crystallization kinetics. Our MVR-based solution provides low-temperature evaporation, optimized hydraulics, materials selection (e.g., SS316L / Duplex 2205 / Titanium), and CIP/online washing to keep heat transfer stable.
Why Hanpu
Chemistry-specific design | Low specific energy (MVR) | Battery-grade consistency | Corrosion-resistant metallurgy |
What you’ll get with us
- Complete process package with heat & material balance and CAPEX/OPEX analysis
- Single-effect MVR evaporator sized for ~4 t/h evaporation duty
- Forced-circulation crystallizer with seed control for LiOH·H₂O
- Pusher centrifuge for continuous discharge and crystal washing
- Condensate stripping/polishing for reuse; PLC/SCADA automation
How the MVR evaporator works
Core idea: reuse your own vapor as heating medium. The compressor raises vapor temperature so it can condense on the exchanger side and boil more liquor—closing the energy loop.
- Evaporate: Lithium liquor is heated; part of the water turns into vapor.
- Compress: A mechanical compressor (centrifugal/Roots) increases vapor pressure and temperature.
- Condense & Heat: The hot compressed vapor condenses on the heating side, supplying latent heat to boil more liquor.
- Recycle: Condensate is collected for polishing/reuse; vapor generation continues with minimal live steam.
- Control: VFD-driven compressor, ΔT management, level/pressure loops, and CIP keep duty stable and fouling low.
Compared with steam-driven effects, MVR cuts fresh steam demand dramatically, lowers operating temperature, and improves specific energy for lithium liquor concentration.
Performance Comparison for Different Evaporator
| Item | Single effect evaporator | multi-effect evaporator | TVR evaporator | MVR evaporator |
| Energy consumption | energy consumption is much higher than others, 1ton water will consume 1Ton steam in theory | comparatively energy conservation | Base on traditional multi-effect evaporator, one more effect added, but higher pressure steam driven needed | The most energy saving technology for evaporator, but 10-40kwh power consumption |
| Floor space | Small | large | large | small |
| Energy sources | steam & power, need steam pipe network and boiler | steam & power, need steam pipe network and boiler | steam & power, need steam pipe network and boiler, need high pressure steam. | electricity, don't need pipe network, all the close-loop circulation system |
| Automaticity | Semi automatic | Full automatic operation, continuous evaporation | Full automatic operation, continuous evaporation | Full automatic operation, continuous evaporation |
Typical process flow
Feed clarification/filtration → Preheating → Single MVR evaporation to target solids → Forced-circulation crystallizer (seeding & residence control) → Pusher centrifuge discharge & cake washing → Dryer/packaging (optional) → Mother-liquor recycle → Condensate polishing & reuse.
Delivery workflow
Feed & targets → Lab/pilot (optional) → Process design & heat balance → Detailed engineering & fabrication → Installation & commissioning → Performance test & training → Maintenance & spares strategy
Application scope
Lithium hydroxide from brine or hard-rock routes · Pre-concentration upstream of crystallization · Debottlenecking existing multi-effect lines · Condensate reuse and water saving · Materials & corrosion upgrades.
Frequently Asked Questions
Have questions about our 4T/H single MVR LiOH system? Here are common FAQs. If you don’t see yours, contact us.
Q1: Does 4T/H refer to evaporation rate or crystal output?
It refers to evaporation duty under defined conditions. Net crystal output depends on feed composition, solids target, and crystallizer settings.
Q2: What metallurgy do you recommend for chloride-rich liquors?
We select SS316L / Duplex 2205 / Titanium per chloride level, temperature, and ΔT. Gasket and seal materials are matched accordingly.
Q3: How do you control scaling and fouling?
Proper velocity and film management, ΔT optimization, surface selection, and CIP/online washing; seed and residence control in the crystallizer to stabilize crystal size distribution.
Q4: Can this MVR retrofit an existing effect train?
Yes. The single MVR stage can debottleneck existing effects or run stand-alone ahead of crystallization. We integrate hydraulics, controls, and utilities with your plant.
Related keywords
Lithium hydroxide MVR, LiOH crystallization, forced-circulation crystallizer, pusher centrifuge, single effect MVR, condensate polishing, battery-grade LiOH, EPC turnkey.
Lithium Hydroxide 4T/H Single MVR Evaporator Crystallization System
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