Most tuna in the market will be canned to
keep the product in good quality. Of course it will need to go through tuna processing line which will create
the end product that you see on the market. Now let us see how the processing
line to create canned tuna end product.
Canned Tuna processing line
The factory will first receive frozen tuna
inside bins which will be unloaded from the truck and stored into cold storage
in stacked. It will then go through the first tuna processing line which is the sizing. The bin dumpers will empty the
content of the bin into double conveyor belt which will then bring the frozen
tuna into the shaker. The shaker will then align the frozen tuna so it will fit
into the right elevator. This elevator will then deliver the frozen tuna into
the sizer to separate them according to the desired size.
Usually only frozen tuna which weight less
than ten kilograms that will fit into the sizer. For larger size frozen tuna
which weight more than ten kilograms, it will then be separately collected to
be cut into loins in the pre cooking process. Frozen tuna that has been sized
will then be put back into bins for storage or being brought into the next
processing line.
Pre cooking process that need to be done is
cleaning the frozen tuna. Bin of frozen tuna will be once again put on double
conveyor belt. During this process, larger size frozen tuna which weight more
than ten kilograms which separately collected beforehand will then be brought
into the cutting line. In this line they will be cut into loins in suitable
size to match with the smaller size frozen tuna.
For the smaller frozen tuna which weight
less than ten kilogram, it will directly going through the cleaning line where its
tails and heads will be separated manually by the workers. They will also clean
the dark meat and skin off so they can make clean loins of tuna meat ready for
the next tuna processing line. Because of
this cleaning process, the final weight of the frozen tuna meat will be
slightly different compared to the weight when they first bring into the
cleaning line.
All of those clean tuna meats will then be
put onto racks to be inserted into the pre cooker. The pre cooker will pre
cooked the tuna meat using steam in specific time according to the tuna meat
size. The pre cooked tuna meat will then be cool down before going into the
next processing line.
Clean pre cooked tuna meat will be then be
put manually into sanitary belt which will feed it into the tuna filler
machine. The machine will then fill the tuna meat into cans according to the
desired weight that has been set accurately beforehand. This will allow each
can to have consistent filling with accurate weight.
In the next tuna processing line, cans of tuna will be collect into the conveyor belt to
be transferred to the oiler and vacuum machine. In the conveyor belt, correct
amount of brine is added to every can. After it arrived in the machine, the
machine will then vacuum the can and add correct amount of oil according to the
preset headspace. The closer is also sync with the vacuum machine so it will be
able to steam the top part of can which will remove air which left in the
headspace before sealing it close. This is the last processing line that the
tuna going through before being distribute to the consumers.
After going through all of those processing
line which combine both manual process and automate process cans of tuna are
ready to be delivered to the supplier which will then distribute it to the consumers.
When consuming those tuna cans you might not even think what kind of procedure
that the tuna meat had to going through before being serve to your table. But
actually there is difficult and long process that the tuna meat had to going
through before it is ready to be consume by the customers. By going through the
tuna processing line, the tuna meat
will stay in the best condition since it is able to maintain the quality.
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