Blow Room: Definition, Objects and Process Layout

Last updated on August 16th, 2023 at 02:18 pm

Blow Room

The section where the supplied compressed cotton bale turns into a uniform lap of particular length by opening, cleaning, blending or, mixing is called blow room section. It is the first step of spinning. The section consist a number of different machines used in succession to open and clean the fibres.

Blow Room: Definition, Objects and Process Layout

Objects of Blow Room

  • Opening: Opening of compressed cotton bales and cotton bales are made into small tufts.
  • Cleaning: To eliminate dust, dirt, broken leaf, seed particles, grass and other foreign impurities from the fibre.
  • Blending/mixing: To produce a comparatively good quality cotton fibre by mixing different types of cotton together.
  • Lap forming: (a) To convert the opened and cleaned fibre into a sheet of particular width and uniform weight/unit length is called lap. (b) To give a cylindrical shape to the pre determined lap by winding it in the lap pin and to make it suitable for the next process carding.

Basic Operations Involved in the Blow Room

  • Opening: Opening is the first operation in the blow room carried out to the stage of flocks in the blow room and to the stage of individual fibres in the cards.
  • Cleaning: To remove the impurities, foreign materials and the raw materials as clean as possible.
  • Dust removal: To remove the dusts which are completely enclosed in the flocks.
  • Blending: To achieve the required quality of yarn by blending different kinds of cotton into a particular ratio.
  • Even feed of the material: To produce a lap of uniform weight per unit length or, to process the maximum quality which is suitable for carding.

Actions of Blow Room

  • Action of opposite spike (Opening)
  • Action of air current (Transport Cleaning) 
  • Action of beater and grid bar (Cleaning and opening)
  • Action of regulating motion (Uniform output)

Process layout of yarn manufacturing system with a modern blow room line

Process layout of yarn manufacturing system with a modern blow room line
Share this post :
He is Abu Sayed, the founder of the blog site Textile Apex. He is a Textile Engineer having eight years plus practical experience in the Textile and Clothing industries. With a deep love for fashion and a keen eye for detail, he combines his creative flair with extensive knowledge to offer insightful and engaging content to his readers.
Posts created 420

9 thoughts on “Blow Room: Definition, Objects and Process Layout

    1. First step or section of back process.
      Opening cotton or other fiber and cleaning and removing into other particles such as dust, grass, seeds and wrappers etc are called blowroom.

Leave a Reply

Your email address will not be published. Required fields are marked *

Related Posts

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top