Jianxi Town, Mingguang City, Chuzhou City, Anhui Province

Jianxi town

Jianxi town is located in the east of Mingguang City, Anhui Province, adjacent to Xuyi county, Jiangsu Province. With the approval of the provincial government, Jianxi Town, Baishawang Township, Guanshan Township and Lushan Township were merged before May 2007, with a total area of 188.93 square kilometers and a permanent population of 43959 (in 2017). The town has 12 administrative villages (zoning adjustment was carried out in 2008) and a town run Laishan forest farm, 318 villager groups and 37 government units.

administrative division

The town has 66000 mu of arable land, including 35000 mu of paddy field. There are 13 dikes, with a total length of 40 km. There are Xinhe, Chaoyang, Xiangyang, Hongqigou, Baishahe, etc. in the territory, there are 8 small (II) reservoirs, 1 small (I) reservoir (Doushan reservoir) and 1 medium-sized reservoir (municipal watershed reservoir), with a total capacity of 80 million cubic meters. The whole town watershed reservoir irrigation area has more than 25000 mu of cultivated land. There are many mountain farms in Jianxi Town, including Lushan, qingmingshan, Guanshan and Maoshan. The total area of mountain farms is 39000 mu, distributed in 24 villages. It has a large grassland of 6000 mu - Lunan grassland.

Agricultural production has formed peach and nectarine production bases centered on Zhugang, Hexi, Lunan and zhougang, vegetable production bases centered on Xinzhuang and Jianxi, and watermelon production bases centered on Baishawang, Doushan and Dongping. The town is rich in peanuts, bright green, sesame, seed melon, etc., the town's breeding industry is developed, mainly to raise pigs, chickens, cattle, widely distributed.

economic construction

There are 8 comprehensive agricultural development projects and World Bank irrigation agricultural projects. Four low yield fields, Xuying, Dongying, Baishawang and Dongping, have been built, covering an area of about 1850 mu. The low yield fields of Houying and Luying are under construction. In 2006, 17.4 km of "village to village" project was won, including 309 provincial road - guying group of Dongying Village, 309 provincial road - Xugang group of Xuying village, 309 provincial road - Ligang of Lushan village - Chuying of Luxi village - Linchang - Liangying of zhougang village, Baishawang - Maoshan village, and Hexi Butang is under construction. In 2007, it is planned to build 6 highways, including 309 provincial highway Fenshuiling reservoir, Lunan Shigang zhougang Xugang, 309 provincial highway Jiaogang village Zhuying, Songshan Yonghong Haowan, 309 provincial highway farm, and Minglai highway yanwang. Lufeng village and Lunan village have built a 4.5 km long cement road of tongcun group through multi-party financing. The town has 23 villages with tap water, nearly 70% of the administrative villages opened cable TV.

the distribution of mineral deposits

Jianxi Town, the first town of attapulgite in China, is rich in attapulgite, also known as palygorskite or palygorskite. It is a kind of hydrous magnesium rich silicate clay mineral with chain layered structure. Its structure belongs to 2:1 clay mineral. In each 2:1 unit structure layer, the top corner of the tetrahedral wafer is reversed at a certain distance to form a layer chain. The cross section of the channel is about 3.7 * 6.3A °. The channel is filled with zeolite water and crystal water. See the crystal structure of attapulgite clay.

Attapulgite minerals are almost all over the world, but the proportion of deposits with industrial significance is small, only limited to the United States, China, Spain, France, Turkey, Senegal, South Africa, Australia, Brazil, Israel, Saudi Arabia, Switzerland, the United Kingdom and Irkutsk, According to incomplete statistics, the world's proven reserves are about 150 million tons. In 1976, Chinese scholar Xu Jiquan and others discovered the deposit in xiaopanshan, Zhu Town, Liuhe County, Jiangsu Province, China. According to the sound of aotebuo and taking into account the crystal structure characteristics of the deposit, Xu Jiquan translated it into "attapulgite", which has been widely used in China in recent years. In 1982, the attapulgite clay deposit was discovered in yongxiaoshan, Xuyi county, Jiangsu Province, which was a large-scale deposit according to the exploration and evaluation of Jiangsu geological exploration department. In 1984, it was found that the deposit was a large-scale one With the help of Nanjing Institute of Geology and mineral resources, attapulgite clay was also found in Jianxi Town, Mingguang City, Anhui Province, and then attapulgite clay deposits (spots) were successively found in 14 provinces in China. Guanshan area, Jianxi Town, Mingguang City has high grade and large reserves. The proven reserves of high-quality attapulgite clay in this area are more than 67 million tons, and the total amount of useful clay is 500 million tons.

Process characteristics

Attapulgite clay is cation exchangeable. The exchangeable calcium ion and magnesium ion of all kinds of attapulgite clay in Xuyi, Jiangsu Province are 7.5-12.5mmol/100g and 2.5-7.5mmol/100g respectively. The amount of exchangeable cations increased significantly after activation. The decolorization ability is related to the content of attapulgite. The higher the content is, the stronger the decolorization ability is. Strong water absorption and pulping performance.

Main uses

Attapulgite clay has been widely used in petroleum, chemical industry, building materials, papermaking, medicine, agriculture and other fields due to its special physical and chemical properties. The biggest consumption in China is decolorization of coatings, drilling mud and edible oil.

Application of building materials industry

Dolomite attapulgite clay can be used as filler, leveling agent, thickener and stabilizer of coatings with good performance and low cost, which can replace the traditional light calcium. When the film of attapulgite coating is observed by electron microscope, its crystal is arranged in a network and evenly distributed in the organic binder, so the film is resistant to washing and rubbing. Compared with the traditional 106 coating, it has many advantages: good brushing performance, no sagging, saving the amount of titanium dioxide. It can also be used as the filler of paint, the filler of wallboard materials, and the production of ceiling wallboard. Its characteristics are: good water resistance It has strong acceptance and emission performance, no expansion and no deformation, good bonding performance, light weight and toughness, heat insulation, sound absorption, insect resistance, strong sag resistance, and can adapt to the change of air temperature without deformation.

light industry

By using attapulgite instead of soda to knead leather, 20-30% of the amount of valuable alum can be saved and the cost can be reduced. The kneading time is reduced from 6.2 hours to 4.2 hours. The kneaded leather has good appearance, strong elasticity, rich and soft. It can also be used as rubber filler and sole filler to increase deodorization and air permeability. Concave clay is used as fragrant plastic flower, with slow release, long fragrance retention time, low cost, soft and not easy to break, and beautiful and lifelike appearance. In the paper industry, it can be used as paper filling and coating pigment, mainly for gravure printing, and can be used for offset printing, pigment, coated paper and coated paperboard. The paper industry is transforming from acid papermaking to alkaline papermaking. With the promotion of neutral sizing technology, especially the growth of coated paper and paperboard output, there is a large demand.

Agriculture, animal husbandry and diversified economy

Attapulgite powder as additive of mixed feed, with its unique physical properties, can promote the metabolism of animal body, improve feed conversion rate, make animal appetite exuberant, fur plump, gain weight quickly, sell early, reduce feeding cost. At the same time, it also has excellent adsorption, which can effectively absorb the E. coli and intestinal toxins of animals, play the role of epidemic prevention and treatment, insecticidal sterilization, and provide the necessary trace elements for livestock growth; as the binder of pellet feed, it has good adhesion, which can not only reduce the production cost of feed, but also improve the utilization rate of feed, it can absorb ammonia ions in fish ponds, prevent the pollution Water pollution, anti-corrosion and odor. Because of its light specific gravity, slow settling speed, prolonging the eating time of fish, high feed utilization rate, prolonged storage period and smooth appearance; the production technology of premixed feed has higher requirements, which is called the core of feed in foreign countries. As premixed feed carrier, attapulgite can save a lot of food, keep vitamins and other vitamins from failure, and keep trace elements from losing; as compound fertilizer binder, attapulgite can be used as the carrier of premixed feed, This binder can improve the production capacity, reduce the power consumption, and save the amount of talcum powder, ammonium chloride and other high priced raw materials; using attapulgite as the suspending agent and carrier of pesticides to produce special pesticides can prolong the efficacy, prolong the shelf life, and reduce the production cost of pesticides It can also increase the fixed carbon content of the briquette and reduce the dust pollution.

spin

As a suspending agent filler for dyes, it has the advantages of no fading, strong coloring power, scrub resistance, bright color, low production cost, etc. it can also be used for coating and scraping in textile industry. Sodium alginate is commonly used as printing paste for reactive dyes in textile printing and dyeing industry. Due to the high viscosity and unstable quality of sodium alginate, the product quality is often affected by the staining, dragging and dislocation in the application. The attapulgite paste can make the printed product have deep color, strong color fastness, excellent quality, and significantly reduce the printing and dyeing cost.

Application in geological exploration and offshore drilling

Colloidal attapulgite clay can be made into salt resistant clay conforming to OCMA and API standards after further physical and chemical processing to increase its slurry making rate. It can be used in geological drilling, geothermal drilling and oil drilling, especially in inland saline formation drilling, offshore drilling and ultra deep drilling. Using this product as mud material, it has good dispersion, high slurry making rate and good sealing performance It has the advantages of stable salt alkali resistance and high temperature resistance, preventing well collapse, protecting well wall, reducing waste well rate, and reducing drilling cost.

Decolorization and water treatment

The processed attapulgite clay products are better

Chinese PinYin : An Hui Sheng Chu Zhou Shi Ming Guang Shi Jian Xi Zhen