What is cotton spinning? Cotton spinning characteristics.

Cotton spinning is a spinning process in which cotton fiber is processed into cotton yarn and cotton thread. Cotton fabric has good wearability, low price and simple cotton spinning process, so it occupies a primary position in the textile industry.

The raw materials used in cotton spinning production are cotton fiber and cotton-type chemical fiber, and its products include pure cotton yarn, pure chemical fiber yarn and various blended yarns. According to the requirements of raw material quality and yarn quality, cotton spinning system can be divided into carding system, combing system and waste spinning system.

The mechanization of cotton spinning engineering begins with the spinning frame, so the spinning frame is sometimes called the spinning frame. The processes before spinning are collectively called pre-spinning, including opening and cleaning, carding, drawing, carding and roving. According to the length of raw cotton fiber, impurities and yarn quality requirements, different spinning processes are formed. Before spinning, raw materials must be selected first. After spinning, there are winding, doubling, twisting and twisting.

Extended data

As a big country in the world cotton textile industry, China has a very important position in the world cotton textile industry.

The number of cotton spinning enterprises above designated size in China increased from 4,449 in 2003 to 7,632 in 2005, an increase of 71.54%; The total industrial output value increased from 287.4 billion yuan to 565.438+03.6 billion yuan, an increase of 78.70%; Total assets increased from 303 billion yuan to 4 1, 7 1 billion yuan, an increase of 37.68%; Sales revenue increased from 280.9 billion yuan to 500.6 billion yuan, an increase of 78.22%; The total profit increased from 710.64 billion yuan to/kloc-0 1.5996 billion yuan, an increase of 654.38+0.23%; Export delivery value increased from 54.6 billion yuan to 74.9 billion yuan, an increase of 37.28%; The number of employees increased from 2,280,700 to 2,589,500, an increase of 13.54%.

Baidu encyclopedia-cotton spinning