OSLO Evaporator

Shanxi Zhuolianruike Technology Co., Ltd. (ZLRK) is a professional original-equipment manufacturer specializing in OSLO evaporator crystallizer systems. Instead of supplying off‑the‑shelf standardized units, we design, engineer and fabricate each OSLO evaporator strictly according to clients' actual feed properties, target crystal size, evaporation capacity, site layout and budget framework. Our equipment integrates evaporation, supersaturation control and fluidized-bed crystal classification in one compact system, widely adopted for scenarios requiring coarse, well‑sorted crystalline products. Whether you run fine‑chemical production, high-saline wastewater zero-discharge projects, mineral salt processing or pharmaceutical intermediate crystallization, our custom OSLO evaporator delivers stable continuous operation and reproducible crystal quality for global industrial customers.

Also known as classified‑suspension crystallizer, the OSLO evaporator separates supersaturation generation zone and crystal growth zone physically, which is its core design feature. Clear mother liquor is extracted by circulation pump and sent to external heat exchanger, where solvent evaporates to build controlled supersaturation without existing crystals inside the heat exchange chamber. The supersaturated solution flows downward through central downcomer and rises slowly across the fluidized crystal bed. During upward flow, supersaturated solute deposits onto existing crystal surfaces to support gradual crystal growth. Larger, heavier crystals sink to bottom outlet for continuous discharge, while fine micro-crystals rise together with overflow mother liquor and return to circulation loop for re-dissolution and regrowth. This mechanism restrains secondary nucleation and avoids crystal particle breakage caused by high‑speed stirring, enabling consistent coarse‑grain output.

Product Keywords

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Our custom-built OSLO evaporator crystallizer serves multiple sectors where high‑quality crystalline solids are required. It fits sodium chloride, sodium sulfate, ammonium salt, metal sulphate, organic chemical salt, and other easy-crystallising materials. Representative industries include chemical raw‑material manufacturing, lithium‑battery wastewater recycling, environmental zero‑liquid‑discharge projects, food additive processing, and fine-pharmaceutical intermediate production. It is especially recommended if your business pursues coarse crystal output and stable particle consistency for higher market-value solid products.

Our Complete Delivery & After-sales Workflow

ZLRK delivers a complete solution rather than only pressure vessels. Our workflow starts with your provision of feed‑liquid reports, expected evaporation rate and site conditions. Our engineers carry out process simulation and quotation. After order confirmation, we produce fabrication drawings for your confirmation. Manufacturing, welding inspection, pressure‑testing and pre-assembly are finished in our workshop. We provide full set of export documents including material certificates, pressure‑vessel inspection reports, operating manuals and spare‑parts list. On-site installation guidance, commissioning support and operator training are available upon request. Spare‑parts supply and remote technical support keep your OSLO evaporator running stably after hand-over.

Work With ZLRK for Your OSLO Evaporator Project

Selecting a pre-made OSLO evaporator often leads to poor adaptability for unique feed‑liquid characteristics. As a China-based manufacturer focusing on custom evaporation-crystallization equipment, we devote ourselves to solving clients' real‑process pain points. We welcome clients to share material test data, project requirements or site constraints. We can support pilot‑scale unit manufacturing for preliminary verification, as well as large‑capacity turn‑key industrial systems. Contact us today to receive custom technical proposal and competitive quotation for your OSLO evaporator crystallizer project.

At ZLRK every OSLO evaporator is configured on client‑specific process data. We do not force fixed model parameters; all key dimensions, flow rates and construction materials are adjusted to match your feed liquid chemistry. Major configurable items include:

- Processing Capacity: Custom evaporation output ranging from 0.5 t/h to 25 t/h for pilot-scale test and full‑scale industrial lines.

- Construction Material: SS304, SS316L, duplex steel 2205 / 2507, titanium alloy for handling corrosive brine, acidic or alkaline feeds.

- Crystal Size Target: Tunable to produce 0.5-3 mm uniform crystal particles according to product requirements.

- Supporting Modules: Matchable with MVR compressor, multi-effect steam system, forced circulation pump, vacuum unit and automatic PLC control cabinet

- Layout Adaptation: Adjust tank height‑diameter ratio, piping layout and platform structure to fit limited factory floor space.

- Automation Grade: Options from basic local manual operation to fully automatic DCS-compatible control with real‑time monitoring for temperature, vacuum and liquid level.

Before formal manufacturing, our technical team conducts process simulation based on your lab test data. We evaluate scaling tendency, corrosion risk and crystal growth performance, to eliminate mismatches between standard equipment and your real-world production challenges.

1. Superior Crystal Quality with Narrow Particle Distribution

Thanks to fluidized-bed classified suspension design, our tailor‑made OSLO evaporator generates large, uniform crystals with fewer fine fragments. Without internal agitator, crystal attrition is minimised. Final crystal products bring downstream benefits for filtration, centrifugation and drying steps, lowering solid‑liquid separation workload and improving finished‑product purity.

2. Extended Continuous Running Period & Low Maintenance Burden

Compared with DTB and forced-circulation crystallizers, OSLO pattern reduces scaling risk inside heat exchangers because crystal-free clear liquor circulates through heating sections. When customised properly for your feed, the system can sustain long‑time continuous runs, cutting down frequent shutdown-for-cleaning frequency and improving overall plant uptime.

3. Full-project Customization Instead of Simple Product Resale

Many machinery suppliers sell fixed‑spec OSLO units with limited modification space. As an in-house manufacturer, Zhuolianruike goes further: from process calculation, 3D drawing review, material selection, component fabrication, assembly to factory pre-test, all links are completed under our own management. We revise drawings iteratively upon client feedback until technical indexes satisfy your production goals.

4. Flexible Compatibility With Multiple Heat Sources

Our custom OSLO evaporator can couple flexibly with different heating modes. It works well with MVR Roots steam compressor, multi-effect evaporation steam, or outside live‑steam supply. Such flexibility helps customers make full use of existing site utilities and optimise long-term energy consumption.

Send your feed-sample analysis and process requirements, get custom OSLO Evaporator design proposal from Shanxi Zhuolianruike Technology Co., Ltd.

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