Close Menu
Sugar Industry Technologies
  • Home
    • About Us
    • Contact Us
  • Sugar Tech
    • Clarification
      • Juice heating
      • Juice Defication/Sulphitation
      • Lime and Sulphur
      • Vacuum Filters
    • Evaporation
      • Robert/Kestner/FFE
      • Condensers
    • Crysatllisation
      • Material Balance
      • Batch pans
      • Continuos Pans
      • Molasses Conditioners/ Crystallizers
    • Centrifugal Section
      • Centrifugal Machines
    • Sugar House
    • Raw sugar
    • Sugar Refinery
    • Sugar Lab
  • Sugar Engineering
    • Mill and Diffuser
    • Equipment Design & Drawing
    • Capacity calculations
    • Steam and Power
    • Power Plant
    • Pumps
  • Calculations
    • Capacity calculations
    • Calculations in Clarification
    • Calculations in Evaporation
    • Calculations in Crystallisation
    • Calculations in Centrifugals
    • Material Balance
  • Calculators
  • General Articles
    • Distillery
    • Seminars & Carriers
    • Types of sugars
    • ETP
    • WTP
Facebook X (Twitter) Instagram
Facebook X (Twitter) LinkedIn Pinterest Instagram YouTube
Sugar Industry Technologies
  • Home
    • About Us
    • Contact Us
  • Sugar Tech
    • Clarification
      • Juice heating
      • Juice Defication/Sulphitation
      • Lime and Sulphur
      • Vacuum Filters
    • Evaporation
      • Robert/Kestner/FFE
      • Condensers
    • Crysatllisation
      • Material Balance
      • Batch pans
      • Continuos Pans
      • Molasses Conditioners/ Crystallizers
    • Centrifugal Section
      • Centrifugal Machines
    • Sugar House
    • Raw sugar
    • Sugar Refinery
    • Sugar Lab
  • Sugar Engineering
    • Mill and Diffuser
    • Equipment Design & Drawing
    • Capacity calculations
    • Steam and Power
    • Power Plant
    • Pumps
  • Calculations
    • Capacity calculations
    • Calculations in Clarification
    • Calculations in Evaporation
    • Calculations in Crystallisation
    • Calculations in Centrifugals
    • Material Balance
  • Calculators
  • General Articles
    • Distillery
    • Seminars & Carriers
    • Types of sugars
    • ETP
    • WTP
Sugar Industry Technologies
You are at:Home»Batch pans»Graining Volume Calculation in Batch Pan | Sugar Process Tech

Graining Volume Calculation in Batch Pan | Sugar Process Tech

5 Mins Read
Facebook Twitter Pinterest LinkedIn Tumblr Email

This article explains the concepts of the Graining volume in batch pan and examples for calculation of the graining volume are discussed.

The Concept of Graining Volume of the Batch Pan

The graining volume is the volume of the pan up to the level of the top tube plate, the minimum volume at which the pan can operate.

This term “Graining Volume” is used to denote the minimum volume of massecuite, which must be introduced in to the pan before opening of steam valve. It is calculated corresponding to the upper surface of top tube plate. It is also referred as ‘footing volume’ of the pan.

Graining volume is generally expressed in percent of the working volume of that pan. It is varies from 35 to 45%. Generally, all types of massecuites graining are made with higher purity syrup or molasses and afterward pan is filled with low purity material. So lower graining volume is obviously of advantage for better purity control of massecuite. Also, low graining volume is helps to increase the crystal size.

However, some massecuites graining material preparation and developing of the massecuite with same material. In such a situation, the % graining volume is not necessary to be considered for purity reduction.

Present scenario to improve the circulation of the pan use short length tubes . If tube length of pan decreases, then increase in the calendria diameter for the pan with same heating surface. The increase in calendria diameter increases the graining volume of the pan.

In case of 800 mm tube-length pans, the graining volume increases up to 40 % to 42%. Such pans gives higher circulation in pans.

The Graining volume of the batch pan calculated by adding these volumes to the pan

    • a) Bottom cone volume
    • b) Bottom ring volume
    • c) Total tube volumes
    • d) Downtake Volume

e) Volume of the pan up to 50mm height from the top tube plate (It may not be required to add this volume while calculating the graining volume)

Reading Map - Quick Links

Toggle
  • Example of calculation of graining volume single discharge type:
  • Example of calculation of graining volume “W” type cone
  • Online Calculator for calculating the Graining Volume in Batch pan

Example of calculation of graining volume single discharge type:

Graining Volume of Batch Pan 
 Sl.no.   Description  Formula  Values  UOM
 Input Data
  1  Capacity of pan  60  T
  2  No. of tubes  N  1306  nos.
  3  Tube thickness  t  1.6  mm
  4  Tube Length  H1  750  mm
  5
 Tube OD  OD  102  mm
  6  Dia of pan  D1  5600  mm
  7
 Dia of the down take  D2  2400  mm
  8  Height of the bottom ring   H2  50  mm
  9  Angle of bottom cone   α  18  Deg
  10  Discharge Dia   D3  600  mm
 Graining Volume Calculation
  1  ID of the tube  ID = OD – 2xt 98.8
  2  Volume of massecuite in tubes   Q1 = 0.785 x ID x ID x H1 x N 7.51 M3
  3  Volume of down take   Q2 = 0.785 x D2 x D2 x H1  3.39 M3
  4  Volume of the bottom ring   Q3 = 0.785 x D1 x D1 x H2  1.23 M3
  5  Height of the bottom cone   h = [(D1 – D3)/2 ] x TAN α 812.30 mm
  6  A1=
 0.785 x (D1)2 24.62 M2
  7  A2=  0.785 x (D3)2 0.28 M2
  8  Volume of the bottom cone  Q4 = h/3 (A1+A2+√A1A2) 7.46 M3
  9  Graining Volume   Q1+Q2+Q3+Q4 19.58 M3

Example of calculation of graining volume “W” type cone

Graining vollume calculation in batch pan of sugar industry | Sugarprocesstech

Graining Volume of Batch Pan (“W” Type cone )
Sl.no.  Description Formula Values UOM
Input Data
 1  Capacity of pan  60 T
 2  No. of tubes  N  1306 nos.
 3  Tube thickness  t  1.6 mm
 4  Tube Length  H1  750 mm
 5  Tube OD  OD  102 mm
 6  Dia of pan  D1  5600 mm
 7  Dia of the down take  D2  2400 mm
 8  Dia of a bottom inverted cone  D3  2200 mm
 9  Height of the bottom ring   H2  50 mm
 10  The angle of the bottom cone   α  18 Deg
 11  Angle of the bottom inverted cone   Φ  35 Deg
Graining Volume Calculation
 1  ID of the tube  ID = OD – 2t  98.8
 2  Volume of massecuite in tubes   Q1 = 0.785 x ID x ID x H1 x N  7.51 M3
 3  The volume of down take   Q2 = 0.785 x D2 x D2 x H1   3.39 M3
 4  The volume of the bottom ring   Q3 = 0.785 x D1 x D1 x H2   1.23 M3
 5  Height of the bottom cone   h 1 = [(D1 – D3)/2 ] x TAN α  552.36 mm
 6  A1=  0.785 x (D1)2  24.62 M2
 7  A2=  0.785 x (D3)2  3.80 M2
 8  Volume of the bottom cone  Q4 = h/3 (A1+A2+√A1A2)  7.01 M3
 9  Height of the bottom inverted cone  h2 = [( D3)/2 ] x TAN Φ  770.23 mm
 10  The volume of inverted cone  Q5 = 1/3 x 0.785 x (D3)2 h2  0.98 M3
 11  Graining Volume   Q1+Q2+Q3+Q4 – Q5  18.17 M3

The Concept of Graining Volume of the Batch Pan

Online Calculator for calculating the Graining Volume in Batch pan

Please Click Here

Related Articles

Types of Graining Techniques in Sugar Crystallization Process | Pan Boiling

B massecuite purity online calculation sheet | Sugar Technology

C massecuite final purity calculation |Grain Quantity requirement for C CVP

Melt Clarification System Design Criteria for Sugar Refinery Process

Low-Grade Massecuite Treatment in Sugar Crystallization Process

Hi friends Thanks for reading this article “The concepts of graining volume in batch pan“.  I Hope you liked it. Give feed back, comments and please share it.

Batch pan continuous pan graining methods graining volume
Share. Facebook Twitter Pinterest LinkedIn Tumblr Email
sivaalluri333
  • Website

Related Posts

Definitions in Steam Properties and Online Steam Table For Saturated steam

Terminology of Sugar process industry in Crystallization Section

Boiler Efficiency Calculation by Direct Method with Example

Leave A Reply Cancel Reply

  • Popular
  • Recent
  • Top Reviews
October 4, 2024

Phosphoric Acid (H3 PO4 ) Dosing in Sugar Industry | Online Calculator

October 3, 2024

Batch Centrifugal Machine Capacity and Gravity Factor Calculation

October 3, 2024

Definitions in Steam Properties and Online Steam Table For Saturated steam

October 4, 2024

Phosphoric Acid (H3 PO4 ) Dosing in Sugar Industry | Online Calculator

October 3, 2024

Batch Centrifugal Machine Capacity and Gravity Factor Calculation

October 3, 2024

Definitions in Steam Properties and Online Steam Table For Saturated steam

July 3, 2022

Boiler Efficiency Calculation by Direct Method with Example

May 19, 2022

Pump Related formulas | Power calculation, Total Head, NPSH, Affinity laws

August 25, 2020

Perimeter and Area Formulas for two dimensional geometrical figures

All Categories
  • Batch pans
  • Calculations
  • Calculations in Centrifugals
  • Calculations in Clarification
  • Calculations in Crystallisation
  • Calculations in Evaporation
  • Capacity calculations
  • Centrifugal Machines
  • Centrifugal Section
  • Clarification
  • Clarifier
  • Condensers
  • Continuos Pans
  • Crysatllisation
  • Distillery
  • Equipment Design & Drawing
  • ETP
  • Evaporation
  • General Articles
  • Juice Defication/Sulphitation
  • Juice heating
  • Lime and Sulphur
  • Material Balance
  • Mill and Diffuser
  • Molasses Conditioners/ Crystallizers
  • Power Plant
  • Pumps
  • Raw sugar
  • Robert/Kestner/FFE
  • Seminars & Carriers
  • Steam and Power
  • Sugar Engineering
  • Sugar House
  • Sugar Lab
  • Sugar Refinery
  • Sugar Tech
  • Terminology
  • Types of sugars
  • Vacuum Filters
  • WTP
Latest Galleries
Latest Reviews
About Us

sugar industry technologies - sugar technology -sugarprocesstechWelcome to sugarprocesstech.com, your go-to hub for invaluable insights into the complex world of sugar processing and related industries. Founded in 2017 by a seasoned sugar technologist with a wealth of experience, this platform is dedicated to sharing deep knowledge with fellow industry experts and the emerging generation of technologists.

IMP PAGES
About Us Sugar Tech Articles Capacity Calculation Important Links Online Calculators Thumb Rules Unit Conversion Contact Us

    Copyright © 2025 Sugar Process Tech | SivaRamaKrishana Alluri
    • About Us
    • Home
    • Sugar Tech
    • Sugar Engineering
    • Calculators

    Type above and press Enter to search. Press Esc to cancel.