The method of producing a flame retardant blended yarn

The present invention relates to a method for producing flame retardant blended yarn and the yarn from 35% to 45% polyester, 35% cotton, 45%, 15% -25% of flax fibers laced. The process comprising: a first through cotton and polyester staple fiber carding cotton sliver obtained, through the second carding polyester staple fiber sliver obtained polyester, and cotton warp opening and cleaning cotton carding obtained sliver, polyester, three kinds of cotton and polyester sliver obtained by the two strips and the blended polyester roving sliver warp rovings obtained polyester blend, flax fibers are mixed with the spun yarn fed by the fiber conveying means after the installation of four rollers obtained apron blended yarn, the flame retardant finishing to obtain the final blended yarn. The present invention selects linen, polyester and cotton blended yarn taking both flame-retardant, antibacterial; mixed raw materials, mixing section, core mix blended improved uniformity of mixing.