Electric Scraped-Surface Thin-Film Wastewater Evaporator

The Vacuum Heat Pump Evaporator delivers up to 90% energy savings with low-temperature, high-vacuum scraped-surface evaporation for heat-sensitive wastewater, cutting operating and cooling costs while offering stable, fully automated performance. Its compact, modular tubular shape, corrosion-resistant high-quality materials and sleek industrial style ensure a small footprint, easy installation and low maintenance for small and medium enterprises. Ships in standard export carton packing with fast delivery (3–20 days) for safe transit and rapid deployment to start saving energy immediately.

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The Electric Scraped-Surface Thin-Film Wastewater Evaporator is a Vacuum Heat Pump Evaporator that combines scraped‑surface thin‑film technology with heat‑pump compression under high vacuum to enable low‑temperature (down to ~32°C at ~45 mbar) evaporation, condensation and crystallization of heat‑sensitive and industrial wastewater. Its compact, modular structure—using advanced core components assembled in China—integrates refrigerant recovery, minimal cooling‑water demand and fully automatic controls for stable, low‑maintenance operation across pharmaceuticals, electroplating, food, textile and other industries. By relying solely on an electrical heat pump and internal heat recycling, the unit cuts energy use by up to 90%, reduces supporting equipment investment, minimizes corrosion and extends service life for small‑to‑medium enterprise applications.

The Vacuum Heat Pump Evaporator is an advanced scraped-surface thin-film wastewater evaporator that uses heat pump compression and high vacuum to achieve ultra-low temperature evaporation down to 32°C (45 mbar), protecting heat-sensitive and corrosive materials. By reclaiming condensation heat and operating solely on electricity, it can cut energy consumption by up to 90% while eliminating the need for steam and extensive cooling water systems, and its modular compact design enables fast assembly and low maintenance. Fully automated and suitable for pharmaceuticals, petrochemicals, food & beverage, electroplating and other industries, it provides small and medium enterprises an efficient, reliable wastewater concentration solution with minimal operational costs.

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Efficient Compact Scalable Evaporation

Born from a decade of industrial research and sustainable engineering, the Electric Scraped-Surface Thin-Film Wastewater Evaporator was developed to tackle high-salinity and viscous effluents with a compact footprint and low energy demand. As a Vacuum Heat Pump Evaporator, it combines vacuum-assisted low-temperature distillation with high-speed scraping to prevent fouling, concentrate wastewater efficiently, and recover clean condensate for reuse. Key features and advantages include modular stainless-steel construction, automated scraping and feed-control systems, PLC monitoring, high thermal efficiency, low maintenance, and fast payback through reduced sludge disposal and water reuse.

Vacuum Heat Pump Evaporator components are built from corrosion-resistant alloys such as SS316/316L for the evaporator shell and polished scraped-surface tubes, with optional titanium or Hastelloy wetted parts for highly aggressive waste streams. Compressor and refrigerant circuits use high-grade copper and carbon-steel piping, vacuum-rated elastomers (Viton/PTFE) for seals and welded, polished surfaces to promote thin-film formation and easy cleaning. Modular scraper assemblies, replaceable wear parts and thermal insulation coatings prolong service life, minimize fouling and simplify maintenance for small- and medium-scale wastewater applications.

◎ Wetted parts & frame 

◎ Heat‑transfer & refrigerant circuits

◎ Seals, coatings & assembly

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