Biscuit production line consists of following equipments with brief description
Mixers
All ingredients are mixed into mixers to prepare dough with desired characteristics . Normally two stage mixing is done in biscuit production One with rapid slow speed and second stage with rapid speed hence one select a dual speed mixer .
Dough Elevator or Dough Tipper
Dough bowl are either taken to tippers where dough is decanted into mixer bowl which is beneath the tipper at level lower to the tipper or dough bowl is carried to certain height and then tilted to decant the bowl into laminator hopper .
Dough Laminator
Laminator main function is to reduce the mass of dough into uniform sheet or laminate for further reduction in gauge roll . Laminators have sets of roller where this dough is acted upon and are converted into dough sheet .
Gauge Rolls
These gauge rolls have set of cylindrical rollers which rotates in reverse direction so as to give push to the next gauge rolls . Three stand to four stand of gauge rolls are used in normal biscuit production line . Speed of rolls ae set as per the baking time and increases as we proceed further .
Moulding /or Cutter Unit
These are equipment which cuts the dough sheet into desired shape and size . Plant out put are calculated as per the design of the moulder or cutter . These cutters or moulders have dies , cups or inserts which are fixed on the cavities or surface of the moulder or cutter .
Now days engraved moulders and cutters are available . Moulders are now designed in rings instead of single piece which helps in maintenance or changing damaged cups .
Moulder are used for short dough where as cutters are used for hard dough variety
Scrap return conveyor
These conveyors returns the scrap dough back to mixers which are again used for production thus minimising waste .
Swivel Panner
Swivel panner is installed at the feed end of oven where it centres the dough piece entrance on baking oven band it has swivel arrangement on which it balances the web or centres the web so that wet dough pieces enter s oven in straight line .
Baking Oven
Dough pieces then enters oven and travels on wire band for baking . Burners generates heat which is circulated through ducts or pipelines to bake wet dough pieces . length and width of oven are designed as per the capacity required . Oven speed is adjusted as per the standards baking time for particular variety
Stripper Conveyor
Stripper conveyors are provided at the delivery end of oven so that baked biscuit are cooled and doest not come into contact of any surface when hot . Stripper conveyors has wire mesh which carries these hot baked biscuit .
Cooling Conveyor
These conveyors are provided in biscuit production line to bring down temperature of hot biscuits which comes out from oven . normally they 1.5 -2 times of oven length .
Magnetic Stacker
Stacker are used to distributes and arrange biscuits in a line and are thus could be stacked easily for packing process . These biscuits are made to pass of plates which acts as guides which makes these biscuits to fall into space between the guides .
Packing Table
Biscuit s travels into guidelines on packing table where either they are fed into into packing machine automatically or are fed into feeding chutes manually by operators .
Packing Machine
Biscuits are fed into packing machine for packaging there are various types of biscuit packing such as pile type , on the edge and cream sandwich type . Horizontal flow wrap machines are mostly used to pack with flexible packaging .
Biscuit Process Flow Diagram
Bread Process Flow Diagram
Accesories & Additional Equipments For Biscuit Production
Mixers
All ingredients are mixed into mixers to prepare dough with desired characteristics . Normally two stage mixing is done in biscuit production One with rapid slow speed and second stage with rapid speed hence one select a dual speed mixer .
Dough Elevator or Dough Tipper
Dough bowl are either taken to tippers where dough is decanted into mixer bowl which is beneath the tipper at level lower to the tipper or dough bowl is carried to certain height and then tilted to decant the bowl into laminator hopper .
Dough Laminator
Laminator main function is to reduce the mass of dough into uniform sheet or laminate for further reduction in gauge roll . Laminators have sets of roller where this dough is acted upon and are converted into dough sheet .
Gauge Rolls
Moulding /or Cutter Unit
These are equipment which cuts the dough sheet into desired shape and size . Plant out put are calculated as per the design of the moulder or cutter . These cutters or moulders have dies , cups or inserts which are fixed on the cavities or surface of the moulder or cutter .
Now days engraved moulders and cutters are available . Moulders are now designed in rings instead of single piece which helps in maintenance or changing damaged cups .
Moulder are used for short dough where as cutters are used for hard dough variety
Scrap return conveyor
These conveyors returns the scrap dough back to mixers which are again used for production thus minimising waste .
Swivel Panner
Swivel panner is installed at the feed end of oven where it centres the dough piece entrance on baking oven band it has swivel arrangement on which it balances the web or centres the web so that wet dough pieces enter s oven in straight line .
Baking Oven
Dough pieces then enters oven and travels on wire band for baking . Burners generates heat which is circulated through ducts or pipelines to bake wet dough pieces . length and width of oven are designed as per the capacity required . Oven speed is adjusted as per the standards baking time for particular variety
Stripper Conveyor
Stripper conveyors are provided at the delivery end of oven so that baked biscuit are cooled and doest not come into contact of any surface when hot . Stripper conveyors has wire mesh which carries these hot baked biscuit .
Cooling Conveyor
These conveyors are provided in biscuit production line to bring down temperature of hot biscuits which comes out from oven . normally they 1.5 -2 times of oven length .
Magnetic Stacker
Stacker are used to distributes and arrange biscuits in a line and are thus could be stacked easily for packing process . These biscuits are made to pass of plates which acts as guides which makes these biscuits to fall into space between the guides .
Packing Table
Biscuit s travels into guidelines on packing table where either they are fed into into packing machine automatically or are fed into feeding chutes manually by operators .
Packing Machine
Biscuits are fed into packing machine for packaging there are various types of biscuit packing such as pile type , on the edge and cream sandwich type . Horizontal flow wrap machines are mostly used to pack with flexible packaging .
Biscuit Process Flow Diagram
Bread Process Flow Diagram
Accesories & Additional Equipments For Biscuit Production
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Moulders