Electric Thin-Film Scraped-Surface Evaporator Liquid Scraper

The Vacuum Heat Pump Evaporator delivers ultra-low-temperature, vacuum-assisted thin-film evaporation that can cut energy use by up to 90% while protecting heat-sensitive materials and minimizing cooling water and auxiliary equipment. Its compact, modular scraped-surface stainless-steel design, high-quality German core components and fully automatic controls provide a space-saving, low-maintenance style and reliable industrial performance. Packed in standard export cartons for secure shipping and backed by tailored design, assembly and after-sales support, it’s a cost-effective solution for pharmaceutical, food, chemical and wastewater treatment applications.

Efficient Electric Film Scraper

The Electric Thin-Film Scraped-Surface Evaporator Liquid Scraper is a compact, modular Vacuum Heat Pump Evaporator that combines thin-film, scraped‑surface technology with high‑vacuum and heat‑pump compression to enable low‑temperature, efficient evaporation for heat‑sensitive materials. Its core and extended attributes—single electric heat source, in‑situ refrigerant recovery and vacuum‑driven low‑temperature operation—deliver up to 90% energy savings versus traditional systems, greatly reduced cooling water demand, and suitability for small to medium throughput applications. Structurally the rotating scrapers form a uniform thin film and prevent fouling for high heat transfer, while fully automatic control, corrosion‑resistant construction, compact footprint and easy assembly provide low maintenance, reliable operation and strong lifecycle value.

The Scraped-Surface Thin-Film Liquid Scraper is an advanced evaporator that uses heat-pump compression to form a thin film, vaporize materials and condense steam for efficient evaporation, crystallization and drying. As a Vacuum Heat Pump Evaporator it operates under high vacuum and ultra-low temperatures (down to 32°C at 45 mbar), cutting energy consumption by up to 90% compared with traditional systems and eliminating the need for external steam or large cooling water supplies. With German-designed core components assembled in China, modular compact construction, fully automatic control and suitability for heat-sensitive materials across pharmaceutical, chemical, food and wastewater applications, it provides a cost-effective solution for small and medium enterprises.

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Efficient, Gentle, Sanitary, Low-Maintenance

Engineered by a team with decades of thermal process experience, the Electric Thin-Film Scraped-Surface Evaporator Liquid Scraper blends electric-driven scraping mechanics with hygienic, corrosion-resistant construction to ensure consistent thin-film formation and long service life. As a Vacuum Heat Pump Evaporator it delivers high thermal efficiency and low operating temperatures for fast concentration of viscous or heat-sensitive liquids while minimizing fouling and product degradation. Key features—adjustable scraper speed, PTFE-coated blades, modular cleaning access, and integrated control systems—provide superior heat transfer, reduced downtime, energy savings, and easy maintenance.

The Vacuum Heat Pump Evaporator is built from corrosion‑resistant stainless steels (commonly 316L) with options for high‑nickel alloys or glass‑lined internals for aggressive or fouling‑prone media. Wetted components such as rotor shafts, scrapers and seals use PTFE, UHMW or electropolished stainless surfaces to minimize abrasion, ensure non‑stick performance and facilitate cleaning, while heat‑transfer circuits employ copper or brazed stainless exchangers for efficient thermal transfer. Vacuum jackets, precision mechanical seals and high‑grade elastomer gaskets are specified to preserve deep vacuum integrity and long service life in pharmaceutical, food and chemical applications.

◎ Standard Pharma Grade 

◎ Vacuum Low‑Temperature Version

◎ Hastelloy / Corrosion‑Resistant Option

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