Pan Section Vapour Header and Pan vapour Line Dia Calculation

Pan Section Vapour Header and Pan vapour Line Dia with Online Calculator

in this article given formulas for calculate Pan Section Vapour Header and Pan vapour Line Dia and also proved online calculator.

Pan Section Vapour Header Dia :Pan Vapour Line Dia and pan section vapour line header calculation

Required Data For Calculation:

  • Crushing Rate in TCH
  • A m/c % cane (To be Take percentage of m/c boiled in that particular bleed vapour).

(For example while calculating the 2nd bleed vapour header for pans , choose how may pans boiled in 2nd vapour according to that consider the percentage of m/c )

  • B m/c % cane (To be Take percentage of m/c boiled in that particular bleed vapour).

(For example Consider total B m/c to be boiled on 3rd vapour bleeding than calculating the 2nd bleed vapour header for pans, choose percentage of m/c is zero in calculator)

  • C m/c % cane (To be Take percentage of m/c boiled in that particular bleed vapour).
  • Temperature of input vapour in oC
  • Velocity of inlet vapour in m/sec (Taken as per bleed vapour from evaporator body)
  • Specific steam consumption for A massecuite  in ton of vapour per ton of m/c  ( For A m/c it is having 0.4 to 0.5)
  • B massecuite Specific steam consumption in ton of vapour per ton of m/c  ( For B m/c it is having 0.35 to 0.4)
  • Specific steam consumption for C massecuite in ton of vapour per ton of m/c  ( For C m/c it is having 0.30 to 0.35)
  • Specific volume of vapour in M3/kg ( Taken from Steam table for the particular temperature)

Formulas for calculation:

  • Vapour requirement m/c boiling in Ton/hr = ( TCH x m/c % cane x   Steam consumption of vapour)/100
  • Total vapour Requirement in T/hr = ( Vapour requirement for A m/c boiling + Vapour requirement for B m/c boiling + Vapour requirement for C m/c boiling )
  • Than total vapour requirement to be covert into M3/sec by the multiplying the specific volume of vapour
  • Dia of vapour Line header = SQRT [Volume of vapour / (0.785 x Velocity of vapour) ]

Pan Vapour Inlet and Out Line Dia:

Required Data For Calculation:

 

As Per Hugot given Evaporation Rate of pans
Maximum Minimum
Kg/m2/hr Lb/Ft2/hr Kg/m2/hr Lb/Ft2/hr
Footing 85 17.5 17 3.5
A massecuite 71 14.6 32 6.6
B massecuite 46 9.4 11 2.2
C massecuite
36 7.5 1.7 0.34

Formulas for calculation:

  • Volume of the vapour in M3/sec = (Heating surface x evaporation rate of the pan x Specific volume of vapour /3600 )
  • Dia of vapour Line = SQRT [Volume of vapour / (0.785 x Velocity of vapour) ]


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Post Author: siva alluri

The aim of this Blog "sugarprocesstech" is Providing basic to advance knowledge in sugar process industry and providing maximum calculation regarding capacity and equipment design online calculators .

4 thoughts on “Pan Section Vapour Header and Pan vapour Line Dia Calculation

    sudhir Kumar Tripathi

    (November 16, 2017 - 7:35 am)

    Refinery clearification

    BAL kishore

    (December 1, 2017 - 1:12 pm)

    Sir,please tell me the velocity of water in injection header

      siva alluri

      (December 3, 2017 - 4:30 pm)

      Generally it will take 2 to 2.2m/sec velocity

    BAL kishore

    (December 11, 2017 - 9:40 am)

    Thanku sir

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