China's coking technology spans 20 years

On June 29, Yankuang Group announced that the world's first coke oven with liquefied petroleum gas oven was produced at 5:26 pm on June 28 at Yankuang International Coking Co., Ltd., which produced 46.8 tons of metallurgical coke.

Wang Yashuai, a well-known expert in the domestic coking industry, told reporters that this marks the first large-scale coke oven in China, and successfully realized the digestion and absorption of German technology. China's coking technology has been stepping forward for 20 years.

Yanjiao International Coking Co., Ltd. has two coke ovens with a height of 7.63 meters and the highest height in Asia. It is 1.63 meters higher than the highest Baosteel coke oven in China. It is also the coke oven with the highest degree of automation and the most complete environmental protection facilities in China. The two coke ovens have a total of 120 holes. It takes only 25 hours from coal to coke. The capacity per hole is 78.84 cubic meters. The design is designed to push 47.6 tons per hole. The two coke ovens produce 2 million tons of coke per year, which is equivalent to domestic. The production of the most advanced 6 m coke oven 4 seats.

Compared with the current domestic small coking plant, the wet quenching and coke dry quenching system of Yanjiao International Coking Co., Ltd. can reduce the amount of dust emitted per ton of coke to the atmosphere to 10 grams, which is much lower than the existing conventional wet in China. The output of the coke quenching device is 130 grams per ton. The purification and recovery of gas uses relatively advanced high-efficiency cooling, washing, desulfurization, recycling equipment and processes to achieve a product purity of 99.5%. The advanced coke oven furnace technology, machinery and environmental protection facilities represent the world's advanced coking technology level and become the demonstration project of China's coking industry.

Yankuang International Coking Company is Yankuang Group and two of the world's top 500 companies Brazil

CVRD and Japan’s Itochu Corporation jointly established a joint venture with a total investment of 2.284 billion yuan. In addition to an annual output of 2 million tons of coke, it can also jointly produce 200,000 tons of methanol, as well as chemical products such as benzene and hydrazine. At the same time as the introduction of the equipment technology of the Sastur Coking Plant in the Ruhr Industrial Zone in Germany, the antimony ore has undergone technical upgrading, so that each hole will push 47.6 tons of coal for only 60 tons of coal, and comprehensively utilize the production of antimony ore. Gas coal, fat coal, main coking coal. At present, the price of domestic pit coal is 290 yuan / ton, while the price of this first-class metallurgical coke produced by Yanjiao International Coking has reached 1,300 yuan, and the conversion of coal to coke has increased by 1,000 yuan.

The successful production of the first-class metallurgical coke of Yanjiao International Coking, which enables the province's steel industry to spend less money to purchase coke from abroad, is of great significance to promote the development of Shandong metallurgical industry. From another perspective, the production of high-quality, cost-effective coke will also promote the structural adjustment of the Shandong coke industry to a certain extent, forcing small coking plants with serious pollution and high energy consumption to voluntarily withdraw from the market.

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