A kind of fast soaking method for sheep shearing

Abstract

The invention discloses a quick soaking method of shorn sheepskin. The quick soaking method of shorn sheepskin includes the technical steps that (1) the water temperature is 38 DEG C, and 1 g of alkane sulfonate-like rewetting auxiliaries Feliderm MS Power, 1 g of scouring agents and 1 g of degreasing agents SE are added per liter of water for primary soaking; (2) the water temperature is 38 DEG C, 1.5 g of complex enzyme preparations DESOBATE DB and 0.5 g of degreasing agents SE are added per liter of water for pre-soaking; (3) the water temperature is 38 DEG C, 3 g of polyphosphoester-like soaking agents Feliderm SWP Powder and 1 g of interface surface active agents Borron SE are added per liter of water for soaking again; and (4) the soaked skin is fully washed with water of normal temperature, dirt is thoroughly washed away, and the next process is conducted after two hours of water control. By means of the quick soaking method of shorn sheepskin, the soaking time can be shortened, and the requirement of modern enterprises for shortening the production cycle is met; and the fiber loosening effect is high, water consumption can be remarkably reduced, and production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of pretreatment of sheep shearing tanning, in particular to a rapid soaking method for sheep shearling. Background technique [0002] The main components of raw hides are proteins, lipids and water. Under suitable conditions, raw hides are easily rotted by microorganisms and autolytic enzymes on the hides. Therefore, freshly slaughtered sheepskin must be preservatively treated during the tanning process. [0003] The most common antisepsis methods for raw skins are salt pickling and drying, followed by low temperature preservation and pickling. The salting method is divided into salt soaking method and salt drying method. Hides that have been salted are called wet-salted hides, and hides that have been salted-dried are called dry-salted hides. [0004] The soaking of the raw material leather mainly achieves the following purposes. [0005] 1) All the operations of each process in the preparation process ...

AI Technical Summary

Problems solved by technology

[0008] The immersion method of traditional sheep shearing products mostly adopts normal temperature immersion, adding some surfactant additives and preservatives, a small amount of acid or alkali to the immersion liquid; this method consumes less chemical materials, low production cost, and is relatively safe Reliable, but the soaking time is long and the action is slow. It can only remove dirt, some blood stains, simple soluble proteins and a small amount of oil, and has limited loosening effect on skin fibers.

In addition, there is also salt immersion, that is, nitrate immersion. A small amount of sulfuric acid and a large amount of neutral salt (above 40g / l) are added to the immersion solution; salt immersion is carried out at room temperature, which has a certain effect of loosening fibers. The softening speed of the skin board is faster than soaking in water, safe and reliable, and will not cause hair loss, but consumes a large amount of neutral salt, troublesome operation, and serious environmental pollution