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As early as June 1999, Qinghai Oilfield built a 100,000 ton/year methanol and natural gas chemical production facility at the Golmud refinery, which initially achieved a transformation from a resource advantage to a benefit advantage. With the substantial increase in natural gas production, the newly-built 300,000-ton methanol plant at Golmud Refinery in Qinghai Oilfield was successfully put into operation in September 2006, bringing the annual methanol production capacity of Qinghai Oilfield to 400,000 tons.
On January 6, 2007, Qinghai Zhonghao Natural Gas Chemical Co., Ltd., with a total investment of 2.1 billion yuan, broke ground in Golmud with an annual output of 600,000 tons of methanol project. This project is a key project for the comprehensive development and recycling of natural gas resources in the Qaidam Circular Economy Experimental Area. Its successful trial production indicates that the Qaidam Circular Economy Experimental Zone has taken a new step in the organic integration of the oil and gas chemical industry and the salt lake chemical industry, extending the oil and gas chemical industry and the salt lake chemical industrial chain, and further promoting the Qaidam circulation. The comprehensive development and recycling of natural gas resources in the economic pilot area has played a positive role in promoting the development of the Qinghai-Tibet economy.
Bed casting
The machine tool bed is a large casting, which adopts high strength cast iron HT250-300 with good toughness and long service life. It is widely used in the processing of instruments, electronics, light industry, standard parts, bearing industry, Auto Parts industry and other parts, especially suitable for non-ferrous metals.
Features of machine tool bed:
(1) Good performance and shock absorption. Graphite in cast iron is beneficial to lubrication and oil storage, so it is powerful. Similarly, due to the existence of graphite, the shock absorption of gray cast iron is better than that of steel.
(2) Powerful process. Because of the high carbon content of gray cast iron, which is close to the eutectic composition, the melting point is relatively low, the fluidity is good, and the shrinkage is small, so it is suitable for castings with complex structures or thin-walled castings. In addition, because graphite is easy to form broken chips during cutting, the machinability of gray cast iron is better than that of steel.
Machine Bed,Cast Iron Base,Large Cast Iron Machine Tool Base,Nodular Cast Iron Machine Tool Castings
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