Blow room | What are the Functions of Blow Room?

Blow Room 
Cotton fibre is compressed in a bale of 200 to 250 kg. This highly compressed cotton fibre need to be opened at first as a part of yarn manufacturing. And there is 1.5% to 7% trash in a cotton bale which is also needed to be removed before further processing. This process of opening & cleaning is known as blow room process. Blow room consists of a number of m/c used in succession to open & clean the cotton fibre to the required degree. 40% to 70% of the total trash is removed in this section. 

Blow room | What are the Functions of Blow Room?



1. Opening: To open the compressed bales of fibres & To make the cotton tuft a small size as far as possible.

2. Cleaning: To remove the dirt, dust, broken seeds, broken leaves, stalks and other foreign materials from the fibres.
3. Blending or Mixing: To make good value of yarn and to decrease the production cost by mixing different grade of fibres.

4. Lap forming: To transfer the opened and cleaned fibres into a sheet form of definite width and uniform unit length which is called a lap.
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