2010 is the last year of the national “Eleventh Five-Year Plan”. This also means that 2010 will be a key year for implementing the five-year plan. Recently, the Ministry of Industry and Information Technology took the lead in publishing the National Industry and Informatization Work Report for 2010. The report listed many key tasks that need to be addressed. Among them, the most striking one is the support for the development of new energy and energy conservation and environmental protection industries.

According to the work report of the Ministry of Industry and Information Technology, one of the key tasks is to continue to implement a national basket of plans, including strengthening energy saving and emission reduction and pollution control, accelerating research and development and promotion of new technologies, new equipment and new materials to promote new energy and energy conservation. The development of the environmental protection industry.

As the country's leading industry, the automobile industry occupies an important position in the new energy and energy conservation and environmental protection industries. Emissions from automobile exhaust have also been regarded as an important way to solve environmental problems. In particular, after the Copenhagen conference, the global automotive industry is eagerly seeking solutions for fuel-efficient and alternative energy sources, and most have reached a consensus: that is, the recent promotion of diesel and natural gas, ethanol fuel-saving methods; in the medium term, will vigorously develop the hybrid Power; In the future, hydrogen fuel cells will be zero pollution. The "heart" of the car - the energy saving and environmental protection of automobile power has generally been considered as the best energy saving and environmental protection, and the diesel engine is becoming a global automotive industry with its economy, durability and excellent power. New trends.

Among traditional diesel engine companies, companies represented by Yuchai and Weichai are accelerating their technological upgrading. In particular, on January 1st and July 1st, 2010, China will begin to implement IV emission standards for heavy-duty vehicles and light-duty vehicles in accordance with the national regulations on automobile pollutant discharge. Although there are still uncertainties in the final implementation, in order to respond to the inevitable emissions upgrades, domestic engine companies plan ahead and speed up the introduction of products that meet the National IV standards.

Energy-saving diesel engine technology has been mastered by Chinese companies

Most of the key components and technologies are controlled by foreign advanced parts and components companies. In terms of energy-saving diesel engine technology, Yuchai made great strides and developed two low-carbon, energy-saving, high-efficiency engines, C6J350-40 and YC4FA185-40, which have been successfully installed and commissioned.

These two low-carbon, energy-saving, high-efficiency engines were jointly developed by Yuchai Group and Tianjin University and are the results of the organic combination of Yuchai’s proprietary technology in product design, combustion systems, electronic control systems, and powertrain matching. Realize small batch production.

According to reports, the technical achievements include three technical advantages: First, low-carbon emissions. The two models have power ratings of 40kW/L and 45.3kW/L, respectively, which means that the 6.5-liter displacement of the YC6J has reached the power level of an ordinary 8.4-liter diesel engine, while the 3-liter displacement of the YC4FA has reached the average 4.5-liter diesel engine. Power level. For example, when it invests in actual road transport, it will reduce carbon dioxide emissions by at least 5 tons per year per year, and at least 5,000 tons of carbon dioxide emissions will be reduced per 1,000 vehicles.

Development of "technology rich mines"

In the past, the technical content of diesel engines has not been recognized. However, traditional diesel engine companies represented by Yuchai and Weichai have achieved great results in the large-displacement diesel engine market, and they have begun to accelerate technological upgrading to meet the arrival of the national IV emission standards. .

According to Dr. Lin Tiejian of Guangxi Yuchai Engineering Research Institute, “There are three possible national IV emission control technology routes that can be selected: SCR (selective catalytic reduction), EGR (exhaust gas recirculation) + DOC (oxidation catalyst) + POC. (Particulate Catalytic Oxidizers) and EGR+DOC+DPF (Particle Traps). SCR is currently the best choice for State IV heavy duty diesel engines."

As a European-Italian company that is a leading company in emerging diesel powertrains, the product has been equipped with all three core technologies including CRDI, VGT and EGR. With the combined application of these three cutting-edge technologies, the Euro-Italian diesel engine has taken the lead in the country to raise its emissions to the Euro V standard, raising its power up to the level of 55kW/L. In terms of fuel consumption, the diesel engine's high-efficiency advantage is in Europe, Italy and Germany. The body has been fully reflected that the fuel consumption per 100 kilometers is about 26% lower than that of the direct-injection gasoline engine in the same displacement cylinder.

With the demand for energy conservation and emission reduction as well as new energy development in China, Jieyou Diesel Engine will become a supporting industry for the development of China's auto industry and solving energy and environmental issues. Energy-saving diesel engines are expected to enter a stage of rapid development in China.

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