The single unit capacity of China's large hydro-generator units is gradually developing to giant units such as 500MW and 700MW, such as the completed Ertan (550MW) power station, the Three Gorges (700MW) power station under construction and the soon-to-be-launched Longtan (700MW). Pow…
Vibration valve is one of the more difficult to deal with valve operation. Vibration not only accelerate the damage of the control valve, but also affect the product quality and safety in production. In this paper, with the research of intelligent positioner, the precautions and methods to…
Sales from the single month at the beginning of the year defeated the Great Wall to the acquisition of Proton and Lotus in June. In August, they established two joint ventures with Volvo. In 2017, Geely broke through the ceili…
A few days ago, during the inspection process, the Guangzhou Inspection and Quarantine Bureau found that a batch of imported tires did not have a corresponding 3C certification mark.
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As we all know, subsidy is the main thrust of the development of China's new energy auto industry. However, as subsidies for new energy vehicles begin to decline this year, the entire industry has been affected to varying degrees. From the announcement of the 2017 semi-annual perfo…
Repair of worn impeller According to the existing impeller blade wear condition, spraying (surfacing) wear-resistant cemented carbide on the blade surface is an effective method to improve the life of the impeller. At present, the methods of adding wear-resistant layers at home and abroa…
In the event of a malfunction of the crusher , it is necessary to stop the vehicle for repair immediately, otherwise the machine itself will be greatly traumatized. If handled properly, it can avoid large losses. However, if …
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