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Date:2019-08-29 

In the 2006 annual national awards ceremony of Coal Industry, China National Coal Group, presided over the completion of the "dew wells Pingshuo mine construction and production technology in conjunction mining research" by China Coal Industry Association of Science and Technology Award for first prize. The project addressed an open-air and wells Pingshuo mining industry and mining joint exploitation of the key technical issues have played a dew wells associated mining the overall advantage and achieve optimal allocation of resources of coal mining, to improve safety in production support capacity, resource recovery ratio and coal quality , effectively reducing the cost of production is the coal industry innovation and integrated innovation of the classic.

Coal companies in the adoption of the technology implementation of the project for the first time captured our shallow depth, hard roof, hard and thick coal seam under the condition of the roof caving in is difficult to take down, top coal crushing and recovery is difficult low range of technical problems, forming a trade union to adopt an open-air wells producing safe and efficient set of technologies to fill gaps in the international mining field for China's northern Shanxi region under similar conditions, such as safe and efficient mining of coal provides the technical support. Solve the open pit mining area is not 250 million tons of coal resources, recycling issues, well face mining recovery rate of 85%, and mining area for more than 75% recovery rate,only No. 3 mining area Inoue kiln face, you can recover more than 5.38 million tons of coal. The first time in well together to achieve a large-scale mining Lu coordinate production, saving a lot of money, the project accounts invested 4.73 billion yuan, compared with the initial feasibility study report on the dynamic investment 9.74 billion yuan to reduce by half. Optimized design, an open-air mining district from 1500 meters to the absolute length of 900-1100 m to reduce the spin-off 19 million cubic meters of Mine Construction and outside to reduce waste dump 70 million cubic meters, purchase land area of 1.3 square kilometers a corresponding reduction, only infrastructure spin-off Construction for the project to reduce the investment of nearly billion. Optimization of Mine Construction Project design and construction of 6, the ground Construction and Installation Engineering 5, KwongPan-introduction of new technologies, new materials, new processes, saving investment of about 600 million yuan. Federation of Trade Unions adopted the open wells to achieve a reasonable distribution of coal mining, coal to reduce sulfur and improve product quality coal from the source to reduce the pollutant emissions and improve the market competitiveness.

In November 2009, China Coal Industry Association, held in Beijing Great Hall of the coal industry awards ceremony in 2009, I Company "large complex deposits in open pit mining methods and the client to help develop the transport system optimization settings" project, by 2009 China Coal Association for Science and Technology Award First Prize; "million tons of super-long caving face complete sets of equipment and technology and raise the recovery ratio technology research" project, by 2009 China National Coal Association for Science and Technology Award second prize.


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