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Not long ago, a truck carrying a total of 45 barrels of yellow phosphorus in a chemical group in Hubei Province was near the Tianchangling power station in Yichang. As the right carriage plate came off, 18 buckets of yellow phosphorus were scattered on the ground, and the water in the bucket quickly drained causing spontaneous combustion of yellow phosphorus. explosion. A post-mortem investigation found that the vehicle did not qualify for dangerous goods transportation and the driver did not have professional training. According to incomplete statistics in recent years, the number of yellow phosphorus transport accidents caused by illegal transportation and illegal driving every year is no less than several dozen, and the economic loss is huge, and it also caused casualties.
Companies engaged in the production of yellow phosphorus and yellow phosphorus as raw materials are also continuing accidents. On January 19 of this year, a fire broke out in a production plant of a yellow phosphorus plant in eastern Yunnan Province. The cause was the construction of the No. 3 yellow phosphorus electric furnace during reconstruction. Workers caused breakage during the dismantling of the boiler, and the entire electric furnace containing 100 tons of electricity was collapsed. Of these, 50 tons of yellow phosphorus burned in large areas, causing huge property losses. Last year, a phosphate company in northern Jiangsu suffered serious equipment investment, resulting in unrecoverable equipment components and equipment malfunctioning. Phosphorus was emitted from the phosphorous storage tank of phosphoric acid plant, and the maintenance personnel did not follow the regulations. In the case of yellow phosphorus in the tank cooling time is not enough, forcibly disassemble bolts, causing the liquid phosphorus in the tank to spew out, causing fire, the entire workshop burned into ruins.
In addition, in recent years, in order to regulate the development of the yellow phosphorus industry with high energy consumption and high pollution, the state or local governments have introduced a series of energy-saving emission reduction measures, which objectively increase the operating costs of related companies. For example, in the yellow phosphorus cost structure, the power cost accounts for about 70% of the total cost of the product. The increase in electricity prices, as well as the substantial increase in the price of phosphate ore in recent years, has had little impact on some dominant companies, but it has made most general companies overwhelmed and has encountered operating difficulties, and has been forced to compress various expenses, including The normal expenses for equipment maintenance, packaging updates, and expenses for security. The reporter discovered in Jiangsu that a company specializing in yellow phosphorus management found that the yellow phosphorus stored and transported mainly originated in Yunnan, Hubei, and other places. The product specifications were mostly 200 kg per barrel, but many batches of iron barrels have been severely used for many times. Deformation, and rust in the barrel, at any time there is no leakage. This kind of anti-corruption of yellow phosphorus packaging caused by the reduction of security cost expenditures is generally worrying in the industry.
People concerned believe that in order to eliminate the potential safety hazards of yellow phosphorus in the transportation sector, it is imperative to adopt advanced scientific methods to transport yellow phosphorus. The reporter recently visited Jiangsu Malong Guohua Industry and Trade Co., Ltd. and saw that the company has made gratifying efforts in this regard. The company is the largest yellow phosphorus production and sales company in China. Its sales of yellow phosphorus accounts for one-fifth of the country's total sales. The yellow phosphorus used for transporting yellow phosphorus is a proprietary yellow phosphorus transportation tanker manufactured by Xi'an Vehicle Factory. The tanker effectively solves the shortcomings of high cost, low-volume, easy-to-leak, and unsafe transport of yellow phosphorus barrels currently used in large quantities. It is a revolutionary change in yellow phosphorus transportation, and it is safe, convenient, and dedicated after arrival. The tanker can be delivered to the user in a new way within the phosphorus storage tank by short-distance unloading, which not only saves the logistics cost of the entire transportation process, but also greatly increases the safety factor in the storage and transportation of yellow phosphorus. The person in charge of the company told reporters: "In the domestic transportation sector, if each large area is served by a yellow phosphorus dedicated rail transport tanker used by a company like Malong Guohua, the accident rate will drop significantly. ."
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In the past ten years, the development of the yellow phosphorus industry in China can be said to be rapid progress. However, safety accidents involving yellow phosphorus occur every year in each production area and place of use. In recent years, due to the rapid expansion of the yellow phosphorus industry's production capacity to 1.6 million tons per year, compared with the actual market demand of about 800,000 tons, the contradiction between supply and demand has become extremely prominent, leading to increased competition, the company's profit margins have been greatly reduced, and production and operations have been severely hampered. The rate is only around 50%. At present, the vast majority of the more than 130 manufacturing enterprises in the country are in a state of low profit or loss, which also brings many unfavorable factors to the safety management of the entire industry. Especially in the heat season, it is a stage where security accidents can easily occur.