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Briefly introduce the pure electric low-temperature falling film energy-saving evaporator
source：www.sjbyj.com Release time：2026-05-19
Pure electric low-temperature falling film energy-saving evaporator is an energy-saving concentration equipment that does not require steam, fully electric drive, vacuum low-temperature, falling film heat exchange, and heat pump heat recovery. Its core is low-temperature protection+pure electric energy-saving+high-efficiency heat exchange, suitable for thermal sensitive materials and steam free scenarios.
1、 Core principle
Falling film evaporation: The material liquid forms a uniform thin film (0.1-0.5mm) on the inner wall of the heating tube through a distributor, flowing downwards by gravity, with a large heat transfer area, fast rate, and short residence time.
Vacuum low temperature: Vacuum degree -0.07~-0.09MPa, boiling point drops to 30-65 ℃, avoiding high-temperature denaturation.
Pure electric heat pump cycle: Drawing inspiration from refrigeration heat pumps, electric energy drives compressors, and a closed refrigerant cycle recovers latent heat of secondary steam. It combines cold and heat, does not require steam, and has low energy consumption.
Fully automatic control: PLC+touch screen, temperature control ± 1 ℃, vacuum stability, concentration self-control, no need for dedicated personnel on duty.
2、 Key features
Pure electricity without steam: operates solely on electricity, eliminates the need for boilers, and is suitable for non steam car rooms and explosion-proof scenarios.
Low temperature protective material: evaporates at 30-65 ℃, with high activity retention rate for thermosensitive materials, suitable for traditional Chinese medicine, food, and biological preparations.
Efficient and energy-saving: The falling film heat transfer coefficient is high, and the heat pump recovers waste heat, reducing energy consumption by 40% -70% compared to traditional evaporators.
Safety: No open flames, no boiler risks; Closed cycle refrigerant, no solvent leakage, and condensate can be reused.
Compact structure: with a volume of 1/2-1/4 of traditional equipment, it occupies a small area, is easy to install, and is easy to maintain.
3、 Typical parameters
Evaporation temperature: 30-65 ℃ (adjustable)
Vacuum degree: -0.07~-0.09MPa
Heat source: pure electricity (compressor+electric preheating)
Material: 304/316L stainless steel (food and pharmaceutical grade)
Processing capacity: 50-5000L/h (customized)
4、 Applicable scenarios
Food and medicine: Chinese herbal extracts, fruit juice, dairy products, and low-temperature concentration of health products.
Chemical and light industry: solvent recovery, waste liquid reduction, and concentration of thermal sensitive intermediates in non steam car rooms.
Environmental water treatment: Low temperature evaporation and capacity reduction of high salt/high COD wastewater, and reuse of condensate water that meets standards.
1、 Core principle
Falling film evaporation: The material liquid forms a uniform thin film (0.1-0.5mm) on the inner wall of the heating tube through a distributor, flowing downwards by gravity, with a large heat transfer area, fast rate, and short residence time.
Vacuum low temperature: Vacuum degree -0.07~-0.09MPa, boiling point drops to 30-65 ℃, avoiding high-temperature denaturation.
Pure electric heat pump cycle: Drawing inspiration from refrigeration heat pumps, electric energy drives compressors, and a closed refrigerant cycle recovers latent heat of secondary steam. It combines cold and heat, does not require steam, and has low energy consumption.
Fully automatic control: PLC+touch screen, temperature control ± 1 ℃, vacuum stability, concentration self-control, no need for dedicated personnel on duty.
2、 Key features
Pure electricity without steam: operates solely on electricity, eliminates the need for boilers, and is suitable for non steam car rooms and explosion-proof scenarios.
Low temperature protective material: evaporates at 30-65 ℃, with high activity retention rate for thermosensitive materials, suitable for traditional Chinese medicine, food, and biological preparations.
Efficient and energy-saving: The falling film heat transfer coefficient is high, and the heat pump recovers waste heat, reducing energy consumption by 40% -70% compared to traditional evaporators.
Safety: No open flames, no boiler risks; Closed cycle refrigerant, no solvent leakage, and condensate can be reused.
Compact structure: with a volume of 1/2-1/4 of traditional equipment, it occupies a small area, is easy to install, and is easy to maintain.
3、 Typical parameters
Evaporation temperature: 30-65 ℃ (adjustable)
Vacuum degree: -0.07~-0.09MPa
Heat source: pure electricity (compressor+electric preheating)
Material: 304/316L stainless steel (food and pharmaceutical grade)
Processing capacity: 50-5000L/h (customized)
4、 Applicable scenarios
Food and medicine: Chinese herbal extracts, fruit juice, dairy products, and low-temperature concentration of health products.
Chemical and light industry: solvent recovery, waste liquid reduction, and concentration of thermal sensitive intermediates in non steam car rooms.
Environmental water treatment: Low temperature evaporation and capacity reduction of high salt/high COD wastewater, and reuse of condensate water that meets standards.
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