Processing technology for boiling and degumming rug tow

Abstract

The invention discloses a processing technology for boiling and degumming rug tow. The processing technology is characterized by carrying out mechanical opening treatment, thus dividing raw hemp intowisps through a beam splitter; then carrying out heckling treatment, thus remaining the rug tow; carrying out humidification treatment on the rug tow by adding water or a surfactant; then removing static electricity; then carrying out combined combing treatment on the rug tow after the humidification treatment, and rationalizing on a combined combing machine; then carrying out gilling treatment onrationalized fiber, and preparing two fiber into a fiber ribbon; then carrying out combing treatment; preparing four fiber into a fiber ribbon; then preparing the fiber ribbons into yarn; carrying out yarn boiling and degumming treatment on the prepared yarn; then carrying out cooking and degumming treatment, washing by a detergent, washing by hot water, softening treatment, drying, healthcare treatment, spooling treatment and packaging treatment on a yarn material. By adopting a method disclosed by the invention, pectin, lignin and wax in fiber can be removed by 95 percent or above, the treated fiber is soft in hand feeling, the split degree can be up to 3500 Nm or above, the main length of the fiber is 37 to 43 mm, and the spinnability and the colorability of the fiber are greatly increased.

Description

technical field [0001] The invention relates to the technical field of raw hemp processing, in particular to a degumming process of boiled short hemp. Background technique [0002] As an ecological textile raw material, hemp has been widely used in the production of high-grade fabrics. Because the textiles containing hemp fiber not only have good air permeability, moisture absorption and moisture release, but also have natural antibacterial health care, anti-ultraviolet radiation and sound absorption and wave absorption functions. At present, there are two types of separation of hemp fibers from hemp stalks: separation after retting and direct separation without retting. The hemp short hemp involved in the present invention is the hemp directly separated without retting. In the process of separating the hemp bark, two kinds of hemp fiber products are obtained, namely the hemp short hemp and the second hemp hemp. Hemp short hemp contains more impurities such as hemp stalks,...

AI Technical Summary

Problems solved by technology

The waste water produced by most chemical degumming methods is difficult to treat, causing serious pollution to water quality; biological enzymatic degumming takes a long time to treat fibers, and the economic benefits and productivity are low; The explosive degumming method also has an unsatisfactory effect on removing the glue layer on the fiber surface

The hemp fiber obtained after treatment has a rough feel, low splitting degree, low colorability and spinnability, which makes it difficult to process in the subsequent process

During the chemical degumming process, part of the removed colloid adheres to the surface of the fiber, which is difficult to remove by washing with water. After the hemp fiber is cooled and dried, this part of the colloid is re-solidified and adhered to the fiber, which greatly affects the quality of the fiber. degumming effect, so that the treated hemp fiber cannot be blended with cotton fiber and wool fiber to produce fine hemp / cotton and hemp / wool blended yarn, and can only produce low-grade hemp fabrics