Continuous Thin Film Evaporator For Material Recovery
Product parameter
| Parameter | Typical Value/Range | Remarks | ||||
| Evaporation Capacity | 5～5500 kg/h | Evaporation efficiency depends on material properties and heat transfer temperature difference | ||||
| Operating Pressure | 1atm～1mbar | High vacuum working conditions require matching vacuum units | ||||
| Operating Temperature | 50-300°C | High-temperature series with maximum operating temperature up to 350°C | ||||
| Heat Transfer Area | 0.1-100m² | Custom designs available for the full range | ||||
| Wiper Speed | 2-15 m/s | Affects liquid film thickness and heat transfer efficiency | ||||
| Motor Power | 0.25-55kw | Correlates positively with rotor diameter and material viscosity | ||||
| Viscosity Range | 1-100000cP | Specialized wiper design required for high-viscosity materials | ||||
| Wiper Type | Structural Features | Material & Temp. | Clearance/Film | Application Scenarios | Viscosity Limit | Industry |
| Hinged Wiper | Spring-loaded, self-adapting to wall wear | PTFE ≤150°C Enhance PTFE ≤200°C CF-PTFE ≤250°C polybenzoate ≤280°C Copper≤300°C 304 ≤300°C 316L ≤400°C |
General purpose | 20,000 cP | Glycerol, tire additives, inorganic salts, sugar alcohols, fermentation broth, solvent recovery, waste oil regeneration, high-salinity wastewater, etc. | |
| Sliding Wiper | Graphite/PTFE bushings, hydraulic assist | / | High-precision film control | 50,000 cP | Vitamins, antibiotics, resins, plant extracts, etc. | |
| Fixed Wiper | Rigid connection, no moving parts | / | Ultra-high viscosity (polymer melts) | 100,000 cP | food additives, fruit juices, dairy products, etc. | |
| Roller Wiper | Equipped with rollers, reducing friction | / | Materials with solid particles | 30,000 cP | Foods, polymer resins, syrups, asphalt, rubber liquid, etc. | |
Shell
● Design standards: GB150, ASME VIII-1, PED, EN13445, GOST34347
● Jacket or half-pipe heating structure optional
● Internal baffles 2-3mm from wall to prevent short-circuit flow
● Heating media: hot water, thermal oil, steam
● Full boring with concentricity ≤0.05mm, polished to Ra0.2~0.8μm
Rotor
● Core rotating assembly,installed at cylinder center
● Functions: uniform distribution, forced film forming, enhanced heat transfer
● Components: main shaft, distributor, support frame, scraper
● The concentricity of the main shaft is ≤0.05mm
● Two-stage distributor for even material spreading
● Static/dynamic balance treatment after forming
● Replaceable shaft sleeve design, can be carburized/nitrided
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