Large-scale advanced bucket wheel stacker reclaimer successfully developed

Datang Technology Industry Group Co., Ltd. adopts two large-scale advanced bucket wheel stacker reclaimers that were independently developed and produced. It has been used for 3 months at the West Coal Field of Taiyuan No. 2 Thermal Power Plant.

On April 25th, an expert committee composed of 23 experts led by Prof. Huang Haitao of the China Electric Power Enterprise Federation, visited the site and inspected the DQL1500/1500.30 bucket wheel refueling for the main project of the 2×330 megawatt heating unit coal conveying system. The operation of the machine. The appraisal committee believes that the comprehensive technical performance of the bucket wheel stacker and reclaimer has reached the international advanced level in this field, and it is recommended that a series of products be formed as soon as possible, and be used throughout the country.

Gao, the person in charge of the project's executive team introduced the stacker and reclaimer equipped with active bulk control and cleaning modules to improve the overall stability of the equipment during operation; an access control safety management system was set up to improve safety during equipment overhaul. The electronic control system adopts bus control and realizes the integration of PLC control technology, frequency conversion speed regulation technology and detection technology.

The bucket wheel stacker and reclaimer is the key project of the seven-phase expansion project of the 2×330 MW heating unit of Taiyuan No.2 Thermal Power Plant. The unit is responsible for the task of central heating of nearly 10,000 square meters in the urban area of ​​Taiyuan City in winter. It is a key project in Shanxi Province and a "livelihood project." After the renovation project is put into operation, the heating capacity of the power plant will be greatly improved. Taiyuan City can shut down 10,000 small coal-fired boilers, reduce the emission of sulfur dioxide by about 5,700 tons, and reduce annual emissions of dust by about 3,300 tons. In addition, the new unit has high efficiency, lower coal consumption by about 8 g/kWh than the original unit, and saves about 28,000 tons of coal annually, which can reduce the amount of coal-fired pollutants that leak out by about 90%. The reduction in emissions of sulfides, nitrogen oxides, smoke and dust will help improve the environmental pollution in Taiyuan.

According to Gao, the large bucket wheel stacker and reclaimer can be widely used in bulk loading and unloading equipment for coal terminals, fertilizer handling, steel mills, and the construction industry.

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