Wangjiazhai Coal Mine Wangjiazhai Coal Mine is located in the northwest of Liupanshui City, with geological reserves of 1 0.80 billion tons and recoverable reserves of1100 million tons. The coal produced in this coal mine is mainly coke and fat coal. In 2005, with the approval of Guizhou Coal Administration, the production capacity was 2.7 million tons/year. By the first quarter of 2009, 42.86 million tons of raw coal had been produced.
Dawan Coal Mine Dawan Coal Mine is located in Dawan Town, Zhongshan District, Liupanshui City, Guizhou Province. The mine field is divided into three industrial workshops: main shaft, air shaft and auxiliary shaft, covering an area of about 27.8 square kilometers, with geological reserves of 30 1.69 million tons, industrial reserve 29 1.20 million tons and recoverable reserves of 254 1.36 million tons. The coal is mainly coking coal, with excellent coal quality, low sulfur, low ash and high calorific value. It is high-quality coal in metallurgy, electric power and chemical industry. Approved by Guizhou Coal Management Bureau in 2006, the mine production capacity is 1 15000 tons. By February 2009, 8.63 million tons of raw coal had been produced. At present, the technical transformation project of 3 million tons capacity expansion is being implemented. In May and August of 2006, the designed annual production capacity of Zhongjing and Xijing was 900,000 tons/year respectively. As of February 2009, Zhongjing and Xijing invested 1.0 1 100 million yuan, with a footage of 60048.93 meters. At present, the annual production capacity of Dongjing is 6.5438+200,000 tons, and there are 2 fully mechanized working faces and 9 tunneling faces (including 3 fully mechanized working faces). The first gas-fired power station in southwest China was built in 2004, and now 17 RW-500 gas-fired generator set is used, with a single unit capacity of 500KW/h and a total installed capacity of 8,500 kw/h. ..
Naluozhai Coal Mine Naluozhai Coal Mine is located in Wangjiazhai Town, Zhongshan District, Liupanshui City. The mine field is located in the north section of the west wing of Dachuan syncline, with a strike length of 7.2 kilometers, an oblique width of 3.5 kilometers and an area of 25.2 square kilometers. In 2006, the provincial coal management bureau approved the mine production capacity of 6.5438+0.02 million tons/year (excluding 600,000 tons/year of third mining). The mine is rich in coal reserves, mainly coking coal, followed by lean coking coal and lean coal. Since 1999, Naluozhai Coal Mine has continuously improved its technical equipment level and technological process. The gas monitoring system has been improved successively, the gas drainage pump, drilling equipment and outburst prevention drilling rig in No.1 and No.2 mining areas have been updated, high and low negative pressure gas drainage systems have been established, and 375, 60 1 double-drum thick coal seam shearer, fully mechanized mining unit, 420 small valve, roof abscission observer, hydraulic anchor machine and other equipment have been added. Now there are 3 sets of fully mechanized mining equipment and 2 sets of fully mechanized mining equipment to realize the new drainage system in No.2 mining area. The support form of heading face is combined support of bolt-mesh-shotcrete +W steel belt+anchor cable, and the advanced three-small smooth blasting rock roadway construction line, cross-cut coal uncovering and solidification outburst prevention technology, and three-soft roadway heading and support technology are popularized and applied.
Shengyuan Mining Co., Ltd. Liupanshui Shengyuan Mining Co., Ltd. is located in Dawan Town, Zhongshan District, Liupanshui City, and was reorganized from the assets of Muchonggou Coal Mine, the former Shuicheng Mining (Group) Company. The company's mine field area is 17.4 square kilometers, which is rich in high-quality main coking coal. The mine design was completed in March 1966, with an annual output of 900,000 tons of raw coal. It was put into trial production in June 1974, with a service life of 79 years. The mine adopts partition extraction ventilation, inclined shaft and adit centralized ventilation, and return air centralized up the mountain. 1800 adit and alleys are transported by battery cars, and the ground light rail 1520 meters to Dawan coal bunker. The company invested nearly 1 100 million yuan in treasury bonds, and reformed mine gas monitoring and safety production facilities (systems) such as ventilation, drainage, power supply, lifting transportation and drainage. At present, there is a production mining area (the fourth mining area) and a continuous mining area (the third mining area), and the mechanization degree of coal mining and tunneling reaches 100%. There is a comprehensive mechanized coal mining unit, three comprehensive mechanized tunneling units and nine sets of gas drainage systems.
Dachuanbu Coal Mine of Shuicheng Mining Group Company is located in Dahe Town, Zhongshan District, Liupanshui City. This coal mine is designed for the development of inclined shafts. In June, 2004, Guizhou Coal Management Bureau approved the mine production capacity of 900,000 tons/year. The products produced by Dachuanbu Coal Mine include washed clean coal and screened clean coal. The brand of coal quality is gas coal. The industrial indexes are high volatile matter, high calorific value and low sulfur content. It is the main upper-level product of electric power, metallurgy, building materials, chemical industry and other industries. Products are sold in the province and Guangxi, Guangdong, Hunan, Hubei and other places. Due to the particularity of industrial indicators, its products are favored by all kinds of users. Okawa mine is developed by a pair of inclined shafts, which are divided into three recoverable levels along the slope, and the designed 12 mining area. The mine design adopts longwall retreating mining method, the coal mining face is supported by logs, metal friction columns and single hydraulic columns successively, and the roof is managed by full caving method. 1974, MDQ-80 coal mining unit was put into trial production in the first mining area. Due to the large dip angle of coal seam, hard coal quality and soft floor, the unit stopped working after half a year of trial operation. 1992 adopts MG200-W high-grade conventional mining unit. In May and July, 2008, fully mechanized excavation and fully mechanized mining were installed and used respectively. Underground raw coal is lifted from the main shaft skip to the ground bunker, and waste rock is lifted from the auxiliary shaft to the waste rock hill by train.
Xinyuan Company Xinyuan Company is located in Liupanshui City, the cool capital of western Guizhou, and there is a 3.7-kilometer special railway line connected with Lanba Station of Guikun electrified railway. Guikun Railway, Liu Zhu Railway Double Track, Nanshui Highway and Guishui Highway all pass through the mining area, so the transportation is very convenient. The approved production capacity in 2008 is 550,000 tons/year. By the beginning of 2009, the mine geological reserves were 1.0 1.46 million tons, industrial reserve was 79.34 million tons, and the recoverable reserves were 53.8 million tons. The cumulative output of raw coal is 6.5438+0.892 million tons, and the driving footage is 270,000 meters. Xinyuan Company's mine field is 6.2km long, with an area of 7.5km2, and the shaft is developed. The coal mining methods are longwall backward blasting and full caving. The main coal seams are No.08, 1 1 and 13. The coal type is 1/3 coking coal, which belongs to industrial coal with low sulfur, low ash and high calorific value. The medium-sized coal preparation plant with an annual washing capacity of 800,000 tons can provide users with commercial coal with different coal qualities. The products mainly include clean coal, blended coal and clean coal lump coal, which are used in metallurgy, chemical industry, building materials, electric power and other industries. Over the years, Xinyuan Company has won the dependence of users with its high-quality products and reliable reputation.
Zhong Ling Mining Company Guizhou Water Mining Group Zhong Ling Company is located in Zhong Ling Town, Nayong County, Bijie Prefecture, Guizhou Province, with a mine design production capacity of 3 million tons/year and a total design service life of 76 years. Industrial reserve has 399.46 million tons and recoverable reserves of 294.08 million tons. The minable seam 13, with an average thickness of 2.49 meters, is suitable for large-scale mechanized mining. The mine is rich in coal reserves, stable in occurrence, excellent in coal quality and simple in geological structure. Products are mainly high-quality anthracite with low ash, low sulfur, ultra-low phosphorus and high calorific value, which is an ideal raw coal for electric power, chemical industry, metallurgy and other industries. Since the capital mine was transformed into a production mine in 2007, a total of 3.258 million tons of raw coal has been produced.
Guizhou Gemudi Mining Co., Ltd. Guizhou Gemudi Mining Co., Ltd., controlled by Guizhou Shuicheng Mining (Group) Co., Ltd., is one of the key projects of power transmission from west to east in Guizhou Province, with a designed production capacity of 4.2 million tons/year (600,000 tons/year in Yushe Middle Well, 2.4 million tons/year in Yushe East Well and 65.438+0.2 million tons/year in Miluo Mine). The mining area is rich in coal reserves, mainly lean coal, with good coal quality, and the ash content of raw coal is mainly medium ash; The sulfur content K 1-b of the middle and upper formations in Yushe exploration area is low and ultra-low, generally less than 0.5%, and the upper and lower formations are generally medium and high sulfur. Phosphorus content is mainly low phosphorus and ultra-low phosphorus, and the content is generally 0.0 1%~0.08%. The calorific value of raw coal is above 5000 kcal, which belongs to high melting point ash coal and can be used as coal for metallurgy, chemical industry and power.