In order to let the diesel engine environmental protection, the "hard bones" are left for 8 years.

As the only domestic domestic diesel engine industry that has mastered many key core technologies such as VCU, GPS, EGR, and engine brakes, the only manufacturer in China that has obtained the "modern enterprise for mechanical industrial management" and "exemplary enterprise for advanced management" at the same time, Xichai has seventy Over the years, he has learned the experience of the engine industry and his vision of the world and the future. In the same year, the Xichai R&D team also had internal disputes over the selection of the new national five-standard diesel engine R&D routes. Although the DPF is good, there are a lot of technical difficulties that need to be overcome, such as the regeneration of the DPF, strict fuel sulfur content, and increased fuel consumption. There is no precedent for the successful development of any diesel engine factory in China. There is no experience to learn, and everything starts from scratch. Choose this road, destined to sacrifice precious time, sit and watch as competitors grab market opportunities. But in the end, the Xichai people chose DPFs that were harder to develop because they realized that the country’s determination to manage air pollution was firm. As one of the sources of pollution, diesel vehicles must have increasingly stringent emission control requirements. DPF is a general trend. Foreign counterparts can make DPFs that effectively purify more than 90% of the particles in the exhaust. Chinese manufacturing can do it.

Xican DPF 74% particulate reduction

From the determination to lay down this “hard bone”, the research and development staff of the Xichai Factory started the basic research of DPF in 2009, and more than 100 technicians joined the R&D team one after another. There were nearly 3,000 trials and repeated trials among everyone. During the demonstration, the key technical problems such as low fuel consumption, long life, and long oil change intervals of the DPF were solved, and a true “non-emission falsification” was achieved: carbon particles that can efficiently capture carbon emissions can be efficiently reduced, and the PM value can be effectively reduced. Degree, eradicate the black smoke problem of diesel vehicles; product emissions are stable, high-temperature environment is reliable, there is no risk of urea crystallization in SCR technology, self-adaptive conditions can be achieved, and the risk of excessive emissions can be eliminated; the maintenance cost is low and the fuel quality is poor In the case of life, only one or two DPFs are cleaned and there is almost no other cost. The Xichai DPF engine has achieved six national inventions, 36 utility model patents, and a number of computer software copyrights while meeting the country's five emission standards, and has cleared the technical barriers for the development of the following six national aircraft types. At present, the new type of DPF engine at the Xichai plant has an annual production capacity of 200,000 units.

Continuous innovation to create "national brand high-end power"

"Twenty years ago, when the domestic engine was all a two-valve, Xichai was the first to successfully develop the four-valve Aowei engine; when the mechanical pump was still in full swing, Xichai had begun to use the electronically-controlled common rail; When the Ministry of Environmental Protection began requesting the installation of the DPF, Xichai was once again prepared in advance. It was the generations of Xichei who continued to bravely climb the peak of technology to achieve the once-over glory of the “national brand high-end drive”! In the past, China's emission standards were followed by European and American countries, and the country's newly released national six-engine emission standards revision draft, some indicators have been significantly higher than similar standards in Europe. It can be almost concluded that in the field of automobile exhaust emissions in China, the future requirements will be more stringent than in Europe. Without continuous innovation, companies that adapt to this rhythm will fall.

Xican DPF service guarantee

In Xichai, every employee believes in the corporate philosophy of “Always open their eyes to the world, always open their eyes to the market, and always open their eyes to see tomorrow”, and the management team also takes the concept of “creating innovation first”. Encourage employees to innovate and tolerate failures, advance the five mechanisms, and create smart Xichai. Although technical innovations have always occupied the technical commanding heights in the domestic diesel field, all Xichai people still dare not to relax. They are not complacent because of their achievements. They understand that those who do not have long-term growth will regress. At present, Xichai has focused its attention on the development of engines based on the perspective of vehicles, and is considering all aspects from the perspective of increasing the transmission efficiency of the entire vehicle, reducing the resistance of the entire vehicle, mixing electric power, energy recovery, and low friction. Technical applications and other aspects to enhance the use of vehicle engine performance, with independent innovation to fight for the next "speech right."

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