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洱源天生磺又名气磺,为含硫温泉中天然升华的硫黄。商品天生磺,为石硫黄提炼后生成的黄色粉末。 1 天生磺的采制 天生磺主产云南大理、藤冲地区,云南产的天生磺又以大理洱源县九气台温泉所产者质优。洱源九气台自然村,天然硫黄温泉处处喷薄而出,是我国天生磺的主产区。 天生磺是从地下水温泉中升华而形成的结晶。在洱源九气台村四季均可采收加工。当地群众对采制天生磺积累了丰富经验。九气台温泉的水温70～85℃,含有丰富的硫黄;把泉水分成若干小股,引入用水泥和砖砌成35cm深,18cm宽的小沟,小沟弯曲延伸,上面盖石板或青砖,泉水在小沟内缓缓流动,水面离青砖最佳高度为5 cm左右,水中的硫黄即随蒸气升华,凝结于石板或青砖上,形成黄绿色绳翅状的结晶。每隔3个
Wuyuan natural sulfur is also known as gas sulfur, natural sulfur sublimation of hot spring sulfur. The product is naturally sulphate and is a yellow powder produced after the extraction of the stone sulphur. 1 Natural Sulfur Extraction The natural sulphides are mainly produced in Dali and Tengchong areas in Yunnan Province. The natural sulfur produced in Yunnan is also produced by the Jiuqitai Hot Spring in Dali County, Dali. Wuyuantai natural village, natural sulfur hot spring everywhere, is the main producing area of China’s natural sulfur. Natural sulfur is a crystal formed by the sublimation of groundwater hot springs. It can be harvested and processed in the four seasons of Jiuyuantai Village in Wuyuan. The local people have accumulated rich experience in the production of natural sulphides. The temperature of the Jiuqitai Hot Spring is 70～85°C, rich in sulfur; the spring is divided into small stocks, introduced into a 35cm deep with cement and brick, a small ditch of 18cm wide, the minor ditch is curved and extended, and the cover is covered with slate or green brick The spring water slowly flows in the ditch. The optimum height of the water surface from the green brick is about 5 cm. The sulfur in the water will sublimate with the steam and condense on the stone slab or blue brick, forming a yellow-green rope-like crystal. Every 3