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Energy Saving Double Effect Evaporator

A double-effect evaporator is a high-end, energy-efficient core evaporation and concentration equipment designed for the large-scale and continuous production needs of industries such as plant extraction, traditional Chinese medicine, food, and bioengineering. By utilizing two evaporators in series, it innovatively achieves two evaporation effects with a single energy input (steam). This significantly reduces energy consumption while enabling efficient and high-quality concentration of liquid materials, making it an ideal choice for pursuing cost reduction, efficiency improvement, and green production.
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Stainless Steel Falling Film Evaporator for Plant Extract Concentration

Key Advantages

  1. Wide application across multiple industries

  2. Gentle low-temperature operation for heat-sensitive materials

  3. Efficient solvent recovery and concentration performance

  4. Stable, reliable, and easy to operate

Applications

The Single-Effect Evaporator is a reliable and energy-efficient solution designed for concentration, solvent recovery, and wastewater treatment across a wide range of industries. With proven performance and stable operation, it is widely adopted in pharmaceutical, chemical, food, and beverage applications.

Pharmaceutical & Medical Applications

Senbofluid

Ideal for traditional Chinese medicine, pharmaceuticals, oral liquids, glucose solutions, and related products.            

→The system enables efficient product concentration and solvent recovery, helping manufacturers improve product purity, increase output, and reduce operating costs while maintaining gentle processing conditions.

Chemical Industry Applications

Senbofluid

Commonly used for the recovery of organic solvents such as alcohols and ketones, as well as for industrial wastewater concentration and treatment.            

→The evaporator delivers stable performance, high recovery efficiency, and long service life, making it suitable for continuous and demanding chemical processes.

Food & Beverage Applications

Senbofluid

Perfectly suited for the low-temperature concentration of heat-sensitive products, including fruit juices, dairy products, natural flavors, food additives, and seasonings.            

→By operating under vacuum, the system helps preserve natural flavor, color, and nutritional value, while extending product shelf life and improving overall product quality.

Structure

This equipment consists of the following main components:

Heater

Evaporator chamber

Gas-liquid separator

Condenser

Cooler

Receiver tank

Valves and piping within the system

Working Principle

Live steam enters the heater, heating the feed solution, which then rises and is sprayed into the evaporator chamber through a nozzle. The vapor and liquid are separated in the chamber. A portion of the liquid returns to the lower part of the heater via circulation pipes for reheating, and is then re-sprayed into the evaporator chamber, forming a continuous circulation loop.

When the feed solution reaches a certain concentration level, density meter feedback triggers the discharge of the concentrated liquid from the outlet port.

The vapor generated in the evaporator chamber passes through a demister to remove foam, and then goes through the gas-liquid separator. A portion of the liquid is returned to the evaporator chamber to maintain stable operation.

The remaining secondary steam is condensed into liquid by the condenser and cooler, and collected in the receiver tank. Non-condensable gases are either vented or removed by a vacuum pump.

Available concentration modes

Single-effect Concentrator

Dual-effect Concentrator

Triple-effect Concentrator

Mechanical Vapor Recompression (MVR)-energy-saving option

Heat Pump Evaporator

Why Choose Our Concentration Equipment?

Gentle & Efficient Heat Transfer Design

01

  1. 316L/304 stainless steel tubes with mirror-polished interior (Ra ≤ 0.45 μm)

  2. Low residence time (<30 seconds) minimizes thermal damage

Preserves thermolabile actives (e.g., flavonoids, alkaloids)

Vacuum & Temperature Control System

02

  1. Vacuum range: 0.019-0.05Mpa(adjustable)

  2. Evaporation temp as low as 35°C - 40°C (with water)

  3. PLC-controlled steam/water bath heating

Stable operation for ethanol, water, or mixed solvents

High Solvent Recovery Rate

03

  1. Condenser area optimized for >95% solvent recovery

  2. Optional cold trap for volatile aroma compounds

Reduces raw material loss and operating costs

CIP/SIP Ready Design

04

  1. Full-drain piping with zero dead zones

  2. Rotating spray balls for full internal coverage

  3. SIP (Sterilization-in-Place) optional with steam jacket

Ensures GMP compliance and fast batch changeover

Modular & Scalable Configuration

05

  1. Evaporation capacity: 50 L/h to 5,000 L/h

  2. Single or multi-effect designs available

  3. Seamless integration with extraction tanks & vacuum belt dryers

Flexible for pilot, mid-scale, or industrial production

Safety & Compliance

06

  1. Explosion-proof motors & instruments (ATEX/UL optional)

  2. Pressure relief valves & vacuum breakers

  3. Full documentation for FDA, CE, and GMP audits

Technical Parameters

Single-effect Concentrator

Specification SJN-500 SJN-1000 SJN-2000 SJN-3000
Evaporation ( Kg/h ) 500 1000 2000 3000
Steam consumption ( Kg/h ) ≤260 ≤530 ≤1050 ≤1580
Outline dimension(Length * width * height) ( mm ) 5000x1200x3700 6500x1600x4500 7200x1700x5000 8400x1700x5000
Recycling water consumption ( L/h ) 14 28 55 83
Evaporation temperature One-effect 80-90 Vacuum degree Mpa 0.02-0.04
Double-effect 55-70 0.05-0.06
Steam pressure (Mpa) <0.25
Relative density 1.2-1.3
Container class First type (Single-effect heater)


Specification/model SJN500 SJN1000 SJN1500 SJN2000 SJN3000 SJN5000 SJN6000 SJN8000
Evaporation ( Kg/h ) 500 1000 1500 2000 3000 5000 6000 8000
Steam pressure ( Mpa ) 0.1~0.25
Steam consumption ( Kg/h ) 185 370 555 740 1110 1850 2220 2960
Circulating water consumption ( T/h ) 9 18 28 36 55 92 110 146
Medium
Dimensions L*W*H ( mm ) 7080x900x3500 7680x1000x4000 8380x1100x4600 8890x1100x4600 9500x1300x4900 10200x1400x5300 10800x1500x5800 11500x1600x5800



Vacuum degree(Mpa) Evaporation temperature(℃)
One effect -0.04 80
Dual effect -0.07 70
Three effect -0.085 53

Why Work With Us

  1. Experienced in industrial concentration equipment supply

  2. Familiar Pharmaceutical, food, and chemical industries processing projects

  3. Strong customization and project coordination ability

  4. Professional communication and fast response

Optional Configurations

  1. Explosion-proof design

  2. PLC automatic control system

  3. CIP cleaning system

  4. Vacuum or pressure vessel design

Available Supporting Equipment

Utility systems

(steam, purified water, circulating water, chilled water, compressed air, nitrogen, vacuum, heating, etc.)

We can supply individual equipment or a complete turnkey extraction solution.

Turnkey Project & Technical Support

We provide complete technical support for extraction projects, including:

  1. Process consultation and equipment selection

  2. Process flow design and layout support

  3. Equipment manufacturing and factory testing

  4. Installation and commissioning guidance

  5. Operator training and after-sales service

Packaging & Delivery

  1. Export standard wooden case or steel frame

  2. Suitable for sea and land transportation

  3. Delivery terms: EXW / FOB / CIF

Contact us now to get

  1. Process flow suggestion

  2. Technical proposal

  3. Budget estimation

  4. Turnkey project solution

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ABOUT SENBO FLUID

Welcome to SENBO FLUID, a leading innovator and expert in the plant extraction industry. With a dedicated focus on developing advanced extraction technologies, we provide comprehensive solutions that enhance efficiency, purity, and sustainability in nicotine production. Our commitment to excellence and our deep industry expertise make us the trusted partner for companies seeking top-tier extraction systems.  
 

CONTACT US

   Mr .Siman
   +86-13819752271
   info@senbofluid.com
CONTACT US
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