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          Double effect evaporator apparatus

          Double effect evaporator apparatus
          Double effect evaporator apparatus
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          Product Code : SSITH-032
          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 is produced and the vapour is discarded. Long tube evaporators are usually used for the concentration of foamy liquids. The set-up is consists of two evaporators fitted in series. Each is made up of Stainless Steel tubes surrounded by a Stainless Steel jacket and fitted with accumulator. Dilute solution is feed to the first evaporator. Steam from a steam generator is supplied to evaporator 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 produced in first evaporator are supplied to the second evaporator. The vapours of volatile solvent are condensed in a shell & tube type condenser and the balance non-volatile solute collected in the accumulator is recycled through the evaporator.

          Objectives/Experiments:

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

          ·        Material and heat balance

          ·        Economy and the capacity of the evaporator for different feeding arrangement.

          ·        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

          ·     Air Compressor ½ hp, 2 CFM for compressed air supply.

          ·        Chemicals : sodium carbonate & distilled water


          Technical Specifications:

          ·        Evaporator( 1st) : Material: Stainless Steel

          Shell  Diameter: 70mm , Length:  500mm

          Tubes  Inner Diameter: 9.5mm , OD 12.7 mm , length 500mm

          ·        Evaporator( 2nd) : Material: Stainless Steel

          Shell  Diameter: 70mm , Length:  500mm

          Tubes  Inner Diameter: 9.5mm , OD 12.7 mm , length 500mm

          ·         

          ·        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:  30 Ltrs

          ·        Flow Measurement: Rotameters (One each for Feed & 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 " double effect evaporator " Apparatus

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


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