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"In 2013, Yuchai will fully realize the conversion of gas engines that meet the national IV emission standards for diesel engines and China V emission standards, and has made adequate preparations for the upgrade of relevant technical equipment, vehicle announcements, market training and service capability. In an interview, Professor Zhuo Bin, senior technical adviser of Yuchai’s chairman, said.
As a leading enterprise in the internal combustion engine industry, Yuchai has also taken the lead in the industry in energy saving and emission reduction in product development and manufacturing. This point can be seen from the new 12-engine launches that were introduced at the 2013 new product launch conference. The 7 national V natural gas engines and the 5 national IV diesel engines are all combined with many international advanced technologies. Their superior performance and complete ownership of their own intellectual property rights have fully demonstrated Yuchai's sedimentation in the field of energy conservation and emission reduction over the years. Zhuo Bin told reporters that these new products are Yuchai's opportunities to fully grasp the opportunities and needs of various market segments, and have concentrated on the development of high-performance products that will provide Yuchai with strong capabilities to fully switch between State IV and V natural gas engines in 2013. support. Among them, it is worth noting that 7 natural gas engines cover 120 horsepower to 440 horsepower, which can cover almost all models, indicating that Yuchai has high hopes for the future growth prospects of this market segment.
Energy-saving technologies will be introduced
Obviously, natural gas engines are the key areas for Yuchai’s offensive this year. “From the perspective of the country’s energy layout in recent years, the total volume of gas engines in the industry will increase significantly in the next few years. Therefore, Yuchai’s gas engine sales target for this year is set at 35,000 to 40,000 units, which is higher than that of the previous year. A lot." Zhuo Bin told reporters that in the gas machine products, technology and production capacity expansion, Yuchai preparation is very full. The product spectrum is further enriched, from the past three models of State IV to the seven models that meet the national V emission standards, to ensure that products can meet the needs of more models; in order to meet the requirements of the National V emission standards, Yuchai will The electronically controlled pressure regulator system was changed to an electronically controlled injection system; in order to ensure the smooth supply of gas engines with high productivity and quality, Yuchai also increased the capacity assessment of the entire supplier. Within the company, only the gas engine was offline. The number of test stands increased by 26.
In addition to gas engines, Yuchai will further increase the development and application of new energy-saving models and technologies in 2013. Zhuo Bin told reporters that Yuchai will focus on the development of three new energy-saving models for passenger vehicles, pickups, and light passengers. "This year, Yuchai and Geely have jointly developed diesel engines for passenger cars that have entered small-volume shipments," he told reporters.
In addition, breakthroughs will also be made in the development of high-efficiency combustion technologies, waste heat utilization, and electronic accessories. “Yuchai will further optimize the design of electronic accessories this year. For example, the operating data of pumps, fans, and fuel pumps will be set according to the maximum power of the engine. Now, variable power and variable power will be used according to different operating conditions. The electronic control technology of displacement has made it more reasonable and scientific.†Zhuo Bin told reporters that Yuchai will continue to implement two-stage booster technology this year, and will strive to match the technology of the two models to achieve commercialization. Its air hybrid technology will enable a car to match. "Yuchai's single-axis parallel hybrid system was sold in more than 1,500 units last year, with more than 2,300 units in the market, and its market share in the segment reached 17%. This year, it will launch a second-generation product and will also introduce a plug-in type. The goal of the hybrid system is to ensure that the cost increase is less than RMB 150,000 under the premise of realizing a fuel saving of 25%, so that the bus company can recover the purchase cost within three years, Zhuo Bin said.
Pay attention to green environmental protection in manufacturing
Not only must we create "green" power, Yuchai also attaches great importance to energy conservation in the internal combustion engine manufacturing process. Widely adopts green manufacturing processes such as thin-wall casting, precision casting and forging, and heat treatment, and uses AC power dynamometers with high-efficiency energy recovery in the development of new products and ex-factory testing to recover and utilize the residual heat and electric energy generated during the testing of internal combustion engines.
Zhuo Bin told reporters that as early as a few years ago, Yuchai’s engine casting center had taken the lead in adopting thin-wall technology in the industry, and the modeling department used a robot core to improve the accuracy of the lower core and greatly reduced the weight of the casting. And processing allowance. The casting center's "casting residual heat annealing" technology makes full use of the residual heat of castings and reduces the stress and the blank machining allowance produced in the annealing furnace workshop. According to reports, the application of the above new technologies can help reduce engine castings from 5 to 6 mm to 3 to 4 mm, reduce the use of casting materials by 10%, reduce the energy consumption in the production process by 8%, and reduce the overall scrap casting rate to less than 1%. . “We have tested the energy-saving effect of an engine. After using thin-wall technology, the weight of the casting's rough can be reduced by 20kg. If we calculate it according to the casting amount of 200,000 units, we can lose 4000 tons,†said Zhuo Bin.
As a corporate citizen, Yuchai has not forgotten its social responsibility in promoting energy conservation and emission reduction. In February last year, the start-up ceremony for the joint project of grid-connected power generation of the Guangxi-based Yuchai Machinery Group, a 30-megawatt rooftop photovoltaic power generation project, was launched in Yulin City. The total investment of this project is about 365 million yuan. The total installed capacity of the project is 30 megawatts, and the average annual power generation is about 31.10 million kWh. The project adopts block-based power generation and centralized grid-connected solutions. The entire arrangement is a polysilicon fixed system with 125001 blocks. The 240-watt solar module consists of three photovoltaic arrays. Compared with coal-fired power plants with the same capacity, the implementation of this power generation project will save more than 11,198 tons of standard coal annually, reduce carbon dioxide emissions by 2,9339.7 tons, sulfur dioxide by 95 tons, nitrogen oxide by 82.87 tons, and dust emissions by 2329.67 tons. At present, this project has passed the national acceptance. “In the past few years, the internal combustion engine industry in China has attached great importance to the emission reduction of engines, and the introduction of opinions has made us feel that the emphasis of national policies on energy conservation is increasing.†Zhuo Bin said that Yuchai will also continue to increase the development of high-efficiency combustion of engines. , waste heat utilization and other technical areas of development and application.
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