A blow room line consists of opening,
cleaning, mixing and lap making, machine. The cotton is
received in the mill in a hard pre bales from which contains
The blow room machinery performs function
of opening hard pressed bales of cotton and cleaning the
cotton of impurities. Trash and foreign matter is to be
extracted from the cotton with the least amount of lint
loss. The amount of waste extracted would depend on the
amount of trash in the mixing.
Another important function that is
performed by the blow room equipment is "Mixing". Two or
more different varieties of cotton me general mixed
thoroughly to get a proper blend. In order to produce
uniform quality of yarn and also to reduce the cotton cost
of yarn while achieving the desired level quality, the
mixing, of two or more types of cotton is carried out in the
blow room. The loose cotton passed through the blow room
machinery is converted into regular sheets called laps.
These laps are delivered lo the next department viz. carding
room, alternately auto feed system in blow room to feed the
carding machines the process of lap formation is avoided.