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        Home » Products » Heat Transfer Lab Equipments » Falling film evaporator apparatus

        Falling film evaporator apparatus

        Falling film evaporator apparatus
        Falling film evaporator apparatus
        Product Code : SSITH-034
        Brand Name : Saini
        Product Description

        Evaporation deals with the concentration of a non-volatile solute from a solution by the removal of required amount of volatile solvent. Usually the solvent is water. By vaporizing a part of the solvent, useful product i.e. the concentrated solution or thick liquor or produced and the vapour is discarded. Long tube evaporators are usually used for the concentration of foamy liquids.

        The set-up consists of stainless steel tube surrounded by a stainless steel jacket. Dilute solution is feed to tube. Steam from a steam generator is supplied to shell to concentrate the dilute feed solution to a desired level. The jacket is fitted with a steam trap and the condensate is collected at the end of trap. The vapours of volatile solvent are condensed in a shell & tube type condenser and the balance non-volatile solute collected is recycled through the evaporator.


        To concentrate a solution and to evaluate the following at steady state:-

        ·        Economy and the capacity of the evaporator

        ·        Overall heat transfer co-efficient

        Required for Operation:

        ·        Water supply and floor drain.

        ·        Electricity Supply: 1 Phase, 220 V AC, 4 kW.

        ·        Area floor : 2.5 m x 1.0 m .

        ·        Chemicals : sodium carbonate & distilled water

        Technical Specifications:

        ·        Evaporator: Material: Stainless Steel, Insulated

        Shell dia-70 mm , length – 500mm

        Tube ID 9.5 mm , OD 12.7 mm , length 500 mm

        ·        Evaporator: Material: Stainless Steel, Insulated

        Shell dia-35 mm ( approx)

        ·        Feed Circulation: By Gravity Feed

        ·        Steam Generator: Made Of Stainless Steel Provided with Pressure Gauge & Level Indicator, Safety Valve and Drain Etc & Insulated with Ceramic Wool and Cladding with Aluminium Foil,

        ·        Feed Tank Material: Stainless Steel

        ·        Feed Tank Capacity:  50 Ltrs

        ·        Flow Measurement: Rotameters (Cold Water)

        ·        Piping material: Stainless Steel And Pvc, Size ¼”

        ·        Heaters:  Nichrome Wire Heater

        ·        Pump Capacity: Fhp

        ·        Condenser: Shell & Tube Type Made Of Stainless Steel

        ·        Bottom Product Tank: Made Of Stainless Steel, Capacity 10 Ltrs

        ·        Water Supply Tank: Made Of Stainless Steel, Capacity 50 Ltrs For Condenser

        ·        The whole set-up is ingeniously designed and schematically arranged on a powder-coated rigid structure

        Control Panel:

        ·        PID  Controller: 0-199.9°C, (For steam generator)

        ·        Digital Temp. Indicator: 0-199.9°C, with multi-channel switch

        ·        Temperature Sensors: RTD PT-100 type.

        ·        Standard make On/Off switch, Mains Indicator etc.

        Scope of Delivery:

        ·        1 Self Contained " falling film evaporator " Apparatus

        ·        1 Instruction Manual consisting of experimental procedures, block diagram etc.


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