AVIC Dawn Kam Group is the "heart" equipment for Chongqing Ziguang's methionine production line. The 2MCL455 centrifugal hydrogen sulfide compressor unit has been driven for 45 days. The unit runs smoothly and the technical parameters are all within the design process and fully meet the predetermined targets. The success of this unit has completely ended the history of the import of centrifugal hydrogen sulfide compressors from the methionine production line in China that can only be imported from abroad.
Chongqing Ziguang Tianhua's methionine project is a key project of the "Twelfth Five-Year Plan", and has entered the key industrial revitalization and technological transformation projects of the Ministry of Industry and Information and the top ten key industrial projects in Chongqing. Experts said that the localization of key methionine production equipment broke the long-term technical blockade and market monopoly of DL-feed grade methionine by foreign companies, which is conducive to rapidly increasing the scale of methionine industry in China, lowering production costs, and improving the industry's core competitiveness.
According to reports, the original hydrogen sulfide unit of the 10,000 tons/year methionine production line of Chongqing Ziguang Company is imported equipment, and the procurement and maintenance costs are high. In order to expand production capacity and reduce production costs, the company decided to localize the equipment for the new 50,000 tons/year methionine production line. Among them, the centrifugal hydrogen sulfide compressor is the key core equipment. The unit has a small flow rate, a high compression ratio, a flow rate of 4000 standard cubic meters per hour, and a flow coefficient of only 0.0033, which is very difficult to design. The medium transported by the unit is hydrogen sulfide, which is a highly toxic gas, flammable and explosive, and the medium concentration reaches 95%. No leakage can occur.
In order to save this “hard boneâ€, the only feed-grade DL-methionine equipment manufacturer in China, AVIC Liming Jinhua Co., Ltd. cooperates with Xi'an Jiaotong University Fluid Machinery National Professional Laboratory, and adopts international advanced flow field analysis software to communicate The design of flow components has achieved a major breakthrough in technology, solved the equipment technical problems that have restricted China's methionine production for many years, and completed the task of developing hydrogen sulfide units.
It is reported that DL-methionine is the only sulfur-containing amino acid essential for feed protein. In 2010, the demand for amino acids in China reached 150,000 tons, and in 2015 it is expected to exceed 240,000 tons.
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