Zhongtong Made China's First Batch of Euro 6 Buses Exported to Germany
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On the morning of February 21st, Li Chen, assistant general manager and director of the technical center of Zhongtong Bus Holdings Co., Ltd., pointed to the real-time release of air quality on the computer in the country. He told reporters: “The Zhongtong bus uses the Euro 6 engine and the tail gas The concentration of PM2.5 is reduced to 1/10, which is only 0.01, which is equivalent to the air condition in the seaside of Gulangyu Island in Xiamen.Therefore, the tail gas emitted by Zhongtong Bus is still cleaner than the outdoor air, and the running city air purifier runs on the street. ."
To date, only Zhongtong Bus has started to assemble Euro 6 engines in small batches in domestic bus companies and has exported them to the German market. This has become an important symbol of the continuous improvement of the level of independent innovation in China's auto industry and a solid step for the Chinese national bus industry to go global.
In recent years, in the face of fierce competition in the global market, Zhongtong Bus has gradually established the “China’s leading brand of energy-saving emission reduction and new energy passenger cars†through the technological innovation and industrialization of energy-saving and new energy passenger cars. Many Zhongtong buses enter the world. From January 1, 2014, all countries in the European Union began to implement the Euro 6 emission standards and imposed strict limits on vehicle exhaust emission standards. Crossing this threshold and seizing the high point of the market, Zhongtong Bus has begun the journey to a higher goal in advance.
Zhongtong Bus has introduced the Euro 6 engine, but the original settings of the vehicle are not compatible with this new engine. It is necessary to solve many technical difficulties such as suspension system, cooling system, and space arrangement. failure. For example, in the suspension system, if there is an error in matching with the engine, there will be an idling resonance of the entire vehicle, and the continuous shaking of the carriage will make passengers very uncomfortable. In December 2013, Zhongtong Bus established four scientific research teams for chassis, bodywork, electrical appliances and experiments, and more than 20 key scientific research personnel began a heavy and intense exploration.
There is no technical information, there is no physical reference, Zhongtong passenger car researchers face a blank, start from scratch, work overtime, calculation data, field tests ... ... Euro 6 engine to increase the exhaust gas recirculation system, engine exhaust high temperature exhaust gas Some of them are cooled and re-entered into the suction system for reuse. This places higher demands on the cooling system. Based on many experiments, researchers have changed the cooling fan to hydraulic, which is not only efficient, but also energy-saving and noise-reducing.
The first batch of passenger cars equipped with Euro 6 engines was built in China, demonstrating the superior self-innovation capability of Zhongtong Bus and the pride of the global market. In the face of achievements, Li Shupeng, chairman of Zhongtong Bus Holdings Co., Ltd., is full of confidence: This is another major achievement of our technological innovation. We will continue to increase scientific research investment, accelerate technological innovation, and make new contributions to the national bus industry to the world.