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Understanding Energy balance of a Biscuit Oven

 energy balance of baking oven , energy balance of biscuit oven
 Under standing Energy balance of biscuit  oven is important   for  energy saving s in baking oven
Input to the oven  is the heat energy from combustion of  fuel  ( lpg , cng , ldo/hsd/ , electrical ) . One must evaluate the fuel options available  for the factors  such as

  • Availability  of fuel
  • Cost per unit
  • Calorific Value of the fuel
  • Maintenance cost on the Burners

Hence the fuel with best value ( calorific value  per unit  x  net cost per unit )  should be  sourced .

Now Oven out put in energy terms  are

Heat Loss during baking of biscuit

Heat  Loss during evaporation of moisture - Flour quality plays important role plus the mixing quality

Heat Loss  through  flue gas - Combustion generates flue  gases which escapes through stacks . Heat recovery system  can be installed recover this heat  .Air to fuel ratio has to be checked  so as to prevent excessive heating going out as flue gas .

Heat Loss through radiation - Biscuit Ovens have either duct s or Pipe s through which hat air circulates . Considerable heat are lost in  these mediums . Good Insulation  can be provided to minimize the loss of heat through  Biscuit Oven body

Heat Loss in Band Heating  - Band re heating s are now days incorporated  by manufactures by providing enclosure at the  bottom  through  which  the bands returns  to the feeding end .

For majority of the   Baking Ovens it has been seen that it  utilise' s only  40 - 50%  of the Heat Input . Efforts  has to be made  for optimisation  of  heat energy


7 comments:

  1. visit www.infiniteenergyindia.com
    to save fuel cost in biscuit industry

    ReplyDelete
  2. use biomass gasifier from Infinite energy india
    to cut down fuel cost in biscuit industry

    ReplyDelete
  3. Dear Manoj ,
    Thnx for your comment
    we would appreciate if u can tell us more on gasifier and tell us where all you have installed bio mass gasifier in biscuit industry

    ReplyDelete
  4. Dear Subodh,

    Thanks for your kind interest in biomass gasifier.
    Gasifier can be used in biscuit industry to replace existing ldo/fo/diesel in their , which in result can give saving of fuel cost upto 50%.
    Please find attached our product catalogue for your kind reference.
    we have installed our system in various biscuit plant,
    few of them are

    Ravi food , Hyderabad
    Raj Agaro Hyderabad
    Sururchi Biscuit Kolkata
    Satya Biscuit , BHOPAL
    Suraj Biscuit, Rajkot
    e.t.c
    If you need any further details please let us know.

    Regards

    ReplyDelete
  5. Thnx Manoj for submitting companies names which are using gasifier as alternate to ldo/fo/hsd .

    Manufacturers can now contact these units to verify the working of gasifier in biscuit plants .

    Infinite Energy are the manufacturer of these gasifier plants

    ReplyDelete
  6. Can we use exhaust heat from zone 4 (250 degree) to zone 1,2,3 which is having low temp than zone 4 ,is it applicable in real Biscuit oven.
    Please suggest me...

    P.Ravi

    ReplyDelete
    Replies
    1. Dear Hari ,

      We can utilize heat from zone 1/2/3/4 to eliminate burners from zone 6 or zone 5 thus resulting in fuel saving

      Delete

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