The peeling quality of ramie is closely related to harvesting time, harvesting weather, stripping technology, immersion time and the use of stripping rams. To improve the quality of ramie, it must be strictly controlled.
1. Timing harvesting science harvest time: head Ma Miao kind of edge (in early June), Erma before Li Qiu (early August), Sanma Frost before the fall (late October).
2. Select the sunny day to receive the ramie and select the sunny day, and the day of the harvest the same day to dry. Such hemp contains a small amount of gum, good color, and soft fibers.
3. Pull the hemp skin to tear the hemp into two uniform and uniform pieces for easy scraping.
4 master the soaking time selected flowing water and dipping in deep water. Soaking time: 1 to 2 hours of anaesthesia, 0.5 to 1 hour of two hemp, 1 to 1.5 hours of three hemp. When taking hemp, pay attention to shake off the mud on the hemp skin.
5. Installation and debugging of scraping machine Currently, Minjiang No. 2 scraping machine is widely used in Majiang District. When installing this kind of machine, the upper and lower knife edges should be tightly seamed and the lower knife edge fillet radius should be 0.5 meters. The pressure hemp strips cannot be loosened. When the scraper is not clean, it is necessary to move the pressure bar downwards or inwards. The upper and lower blades of the cast iron should have a clearance of 0.7 mm-1 mm.
6. Mastering the scraping technique After scraping about 40 pieces of hemp, the scraping hemp should be about 22 cm in length on the head and about 33 cm in length on the right side of the knife edge. Hold the knife edge in one hand and pull it back by hand. Until the green water is reached. The ramming and fluffing of the flax is dried and the head is white and bright.
7. Baking hemp and rainy days, scraping and peeling the hemp must be smoked in a timely manner to dry. The method is to build a sulfur coal baking room or use stairs, sticks, and bamboo strips to make a simple smoked hemp stand that is more than 1 meter high above the ground. The wet hemp will be placed neatly on the shelf (can be arranged 3 cm thick), and then The waste film or paper shells, rotten sacks are covered with wet hemp (anti-smoking upwards), an anthracite-fired small stove is placed under the rack, and a small amount of sulfur is used to burn out the sulfur smoke, which is smoked until the bottom of the hemp begins to whiten and a large amount of wet hemp has not been discolored. You can. After the hemp is aired in a ventilated place, it can be stored for two or three days without spoiling, and then sunny and dried. Note that it is better not to smoke white hemp, otherwise it will affect the fiber quality.
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