Process

Blowroom | Blow-room & Blending Importance in Textile Spinning

In this post I will tell you about the very first section of making a Textile Yarn named “Blowroom”. The blowroom is “must needed” type section of a spinning factory where different type of works are done like fibre opening, cleaning and some other further acts which is needed to boost up the yarn quality.

What is Spinning Blowroom:

Definition of Blowroom: Blowroom consists a number of machines used on succession to open and clean the cotton fibre. About 40% to 70% trash is removed in blow-room section.

Objects of Blow-room:

1. Opening:
a) To open the compressed bales of fibres.
b) To make the cotton tuft as small as far as possible.
2. Cleaning:
To remove dirt, dust, broken seeds, broken leaves, and other foreign materials from the fibre.
3. Mixing & Blending:
To make good value of yarn and to decrease production cost mixing and blending is done.
4. Lap or flocks formation:
To transfer opened and cleaned fibre into sheet form of definite width and length which is called lap or in modern system directly feed to the carding machine into flocks form.

Importance of Blowroom in Yarn Spinning:

1. Blowroom is installed to achieve uniform quality.
2. to improve processing performance.
3. to reduce and control production cost.
4. to meet end use requirement
5. to facilitate the cotton for regaining its moisture content lost during boiling.

Flow Chart of Carded Yarn Manufacturing | Spinning Technology

If you want to make a yarn you will have two method to follow. One is Carded yarn manufacturing method and another is Combed yarn manufacturing method.
Combed yarn is most precious, finer and thiner than the carded yarn. Because the Carded Yarn is produced by following some less manufacturing steps than the Combed Yarn.
So let us know about the carded yarn manufacturing.

Process Flow Chart of Carded Yarn Manufacturing:

Input Material ———Processing Machines ——–Output Materials
Raw Cotton >>>>> Blow Room>>>>>>Lap
Lap>>>>>>>>>>>Carding>>>>>>>>>Carded Sliver
Carded Sliver>>>>Drawing 1>>>>>>>>Drawn Sliver
Breaker Sliver>>>Drawing 2>>>>>>>>Finisher Drawn Sliver
Finisher Drawn Sliver>>Simplex/ Speed Frame>>>>Roving
Roving>>>>>>>>Ring Frame>>>>>>>Yarn
Yarn>>>>>>>>>Winding>>>>>>>>>Yarn In Large Package.
The process flowchart of Yarn Manufacturing mentioning above is currently followed by the Textile Spinning Mills.

Process Flow Chart of Combed Yarn Manufacturing

Process Flowchart of Combed Yarn Manufacturing:

Combed yarn is more precise than card yarn. Here is the process flowchart of Combed Yarn.
I said it before that the Carded Yarn needs less steps to follow to make a yarn than the Combed yarn. The main purpose of Combed yarn manufacturing is to create a yarn which is highly finer and highly qualified.
Here i will give you a chart from where you will be able to know about How A Yarn is made by the combed yarn manufacturing process”.
Input ———Processing Machineries ———-Output
Raw Cotton>>>>>>>>Blow Room>>>>>>Lap
Lap>>>>>>>>>>>Carding>>>>>>>>>>>>Carded Sliver
Carded Sliver>>>>Pre-Comb Drawing>>>>>Pre-comb drawn sliver
Pre-comb Drawn Sliver>>>>Super Lap Former>>Mini Lap
Mini Lap>>>>>>Comber>>>>>>Combed Sliver
Combed Sliver>>>>>>Post Comb Drawing>>>>>>Post Comb Drawn Sliver
Post Comb Drawn Sliver>>>>>Speed Frame/ Simplex>>>>>Roving
Roving>>>>>>>>>>>Ring Frame>>>>>>>>>Yarn
Yarn>>>>>>>>>>>>>Winding>>>>>>>>>Yarn in large package
The Combed manufacturing process flowchart has been mentioned above is followed by the textile mills.