Yangmei Minmetals Coal Preparation System Coal Sludge Drying Project Completed and Put into Operation

On March 24, with the sound of firecrackers on the door of the workshop of the coal preparation department, Changning Bin, the Minmetals Mine of Shanxi Yangmei Group, clicked the mouse button, and the coal slurry drying project of the coal preparation system was completed and put into operation. This is to promote production and construction. A profit-oriented project to survive the crisis has opened up a new way for production development. On the same day, Mine Chang Ningbin, Deputy Mine Chief Wang Lianqing, Deputy Chief Engineer and Minister of Coal Preparation Department Li Yuwen, staff of the Coal Preparation Department, and staff of construction units attended the commissioning ceremony.

The coarse coal slime drying system project of coal preparation system adopts rotor-type drying technology, and the design scale is to treat 100 tons of wet coal slime with an annual production capacity of 600,000 tons. The heat source adopts mine gas, and the moisture of coal slurry after drying is ≤12% (adjustable). , Material particle size ≤ 6?. This project was established on February 13, 2014. On February 25th, the development and planning department of the Group Corporation issued the management letter of the project legal person. On May 28, the drying process was completed. The project was designed by Beijing Huayu Engineering Co., Ltd. The civil engineering project was formally started on July 10, and the main project was completed by the end of November. The project budget is 21.51 million yuan. Among them, the drying system has a bidding fee of 9,805,800 yuan, a civil engineering cost of 7,358 million yuan, an auxiliary equipment cost of 1,104,500 yuan, an installation cost of 972,600 yuan, a design fee of 470,000 yuan, an exploration fee of 94,000 yuan, an EIA fee of 200,000 yuan, and other project costs. Expected 1.5 million yuan.

The equipment purchase of this project is divided into slime drying system (including: dryer, unloader, hot blast stove, exhaust gas purification system, power supply and distribution system, control system, etc.), four belt conveyors, one coal feeder, Two belts, one sewage pump, four switchboards, and one distributor. The civil works are divided into a new drying workshop, four belt corridors, three transfer points, installation of fire protection, water supply and drainage, and scene hardening; In order to install all equipment purchases and off-site power supply, lighting, control, protection, post communication, video surveillance and so on.

After the coal-slurry drying system of the coal preparation system is put into operation, the benefits are considerable. The average ash content of wet pulverized coal is about 26%, the moisture content is about 25%, and the calorific value is about 4,300 calories. After drying, the moisture is calculated at 12%, and the calorific value is about 5000. Large card. It is estimated that in 2014, the annual output of coarse coal pulverized coal will be 540,000 tons. If all can be processed and sold, the market price of pulverized coal is RMB 140/ton, and the calorific value reaches 5000 kcal at the end of the coal market price of RMB 280/ton. The benefits of 54 × (1-13%) × 280-54 × 140 = 55.944 million yuan, after eliminating the operating costs of 30 yuan / ton, the income of 39.974 million yuan.

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