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Falling Film Vacuum Evaporation / Alcohol Evaporation Tanks / Stainless Steel Roll Material

Categories Stainless Steel Tanks
Brand Name: JOY
Model Number: Customized, talor made
Certification: ISO
Place of Origin: Shanghai
MOQ: 1 set
Price: Negotiable
Payment Terms: T/T, L/C
Supply Ability: 100 sets/month
Delivery Time: 1 month
Packaging Details: Customized
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    Falling Film Vacuum Evaporation / Alcohol Evaporation Tanks / Stainless Steel Roll Material

    Stainless Steel Tanks - Falling Film Vacuum Evaporation Tank Alcohol Evaporation

    Beverage, beer, dairy, juice Evaporator

    Components Assembly

    The device is suitable for medicine, food, beverage, beer brewery, chemical industry pressure, micro-pressure, water to cook, warm dip, heat reflux, forced circulation leakage effects, aromatic oil extraction and organic solvent recovery and other technology operations,

    with high efficiency, operation and easy.

    Tank is equipped with CIP cleaning system.

    SUS 304/316L Stainless Steel Material Sanitary Level

    Easy installation, insulation, use a long period, can save energy and maintenance costs corresponding.

    Including evaporation chamber and condensate recovery chamber,

    evaporation chamber 3000L φ1800 * 2000 * 8mm,

    tube φ25 * 1.5mm,

    11.9 meters;

    condensate recovery chamber 1000L,

    φ1100 * 1000 * 6mm,

    tube φ19 * 1.0mm,

    9.7 square meters,

    with 1 water ring vacuum pump ,

    2 stainless steel centrifugal pump,

    with all connecting pipes and valves.

    Capacity could be customized designed according to customers' requirement.

    2 effect 3 effect Falling film evaporator is a liquid material from the lower header on film evaporator heating chamber was added by means of liquid distribution and film evenly distributed into each heat transfer tube, gravity and vacuum induction and airflow, a film from a uniform top-down flow.

    Flow process, the shell is a heating medium to vaporize the liquid and the vapor produced by the common separation chamber into the evaporator, vapor-liquid separation after full steam into the condenser condensate (single-effect operation) or go to the next effect evaporator as heating medium, in order to achieve more efficient operation, the liquid is discharged by the separation chamber.

    Apparatus main body by the Ⅰ, Ⅱ, Ⅲ efficient heater, separator, hot pumps, condensers, sterilizers, pipe insulation, feed pumps, water pumps and instrument cabinets. Where contact with this equipment and materials are produced with high-quality stainless steel.


    Concentrated by evaporation it is widely used in water or an organic solvent solution of medicine, food, chemical industry, light industry, concentrated, and is widely used in wastewater treatment over the industry.

    Especially suitable for heat-sensitive materials, the equipment for continuous operation at low temperatures under vacuum conditions, with high evaporation capacity, energy saving, low operating costs, and can ensure that the material invariance during evaporation.


    There downstream process (and flow), countercurrent, Francis (cross-flow), advection four forms:


    The same solution and steam flow, order flow effect by a final effect. Raw material liquid was pumped into effect, relying on the pressure difference between the respective effect automatically flows into the next effect complete solution since the late effect (generally operate under negative pressure) pumped out.

    Because of the pressure effect after a low boiling point of the solution is low, after the effect of the previous solution into the effect when a part of the water will flash produce secondary steam is greater due to the higher concentration aftereffect before efficiency, low operating temperature often the first effective heat transfer coefficient is much higher than the final effect.

    Downstream processes are generally suitable for treatment in the case of high concentrations of heat-sensitive materials.


    Raw materials are fed in turn by the pump from the final effect before the effect, effect a complete liquid discharged from solid to liquid and steam reverse flow. Generally suitable processing viscosity changes greatly with temperature and concentration of the solution, not easy to deal with heat-sensitive materials.

    Francis (cross-flow) :

    Cis countercurrent process combining both the advantages of counterflow along avoid its shortcomings, but the complexity of the operation, demanding automation level.


    Each effect will have an addition was completed, each effect has crystallized, the crystallization can be separated in time, generally used for evaporation of a saturated solution.


    (1) an aspect ratio L / d = 100 ~ 250;

    (2) the heat transfer coefficient k = 1000 ~ 3000 kcal / (square meters * ℃ * hour);

    (3) can handle a large concentration of poor mobility of the material;

    (4) temperature difference is small, does not affect the static pressure of the liquid column.

    Falling film evaporation process, the principle is shown below. Required by the evaporation of material from the feed pump into the top of a falling film evaporator, walk (tube) evaporator tube, membrane filter cloth material through a membrane into the distribution of heat transfer tubes, the material at the time with gravity flow lumen being outside the tube steam heating, to evaporate the evaporation temperature is reached, the secondary material together with the vapor stream from the evaporator in the form of a thin film of the inner tube.

    After the secondary steam is compressed vapor compressor heating chamber into a falling film shell as heating steam. Falling Film heating chamber shell has a plate, guiding secondary steam, condensate and exhaust gas can not be condensed.

    In the course of the heat through the wall from the rumor itself to the evaporation of the inner tube material, through the heat exchanger into the secondary steam condensate water is discharged outside the falling film evaporator.

    Falling film evaporation system characteristics:

    1) falling-film evaporator feed liquid is added from the top of the evaporator, under gravity into a film along the wall fell, and in the process of evaporation enriched at the bottom to give a concentrate. Falling film evaporator can be evaporated to a high concentration, high viscosity (e.g., within 0.05 ~ 0.45Ns / m2 range) materials.

    2) Since the one-way flow of the solution is a film-type evaporator, the heat transfer coefficient was high.

    3) the residence time is short, easy to cause deterioration of material, suitable for processing heat-sensitive materials.

    Small 4) liquid hold-up, falling film evaporator can be supplied according to the energy, changes in the degree of vacuum, the feed amount, concentration rather take a quick operation.


    5) As the process fluid flow under gravity only, rather than the high temperature difference to drive, you can use low temperature difference evaporated.

    6) falling film evaporator is suitable for the foaming material is concentrated by evaporation, since the liquid material into a film evaporator in the heating tubes, which form the vapor-liquid separation, while at the bottom of the body effect, most of the material was pumped namely, only a small part of the feed solution with all the secondary vapor into the separator strengthen separation, solid-liquid whole process does not cause too much impact, avoiding the formation of foam.

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