Recently, Jun Jun, president of the China Construction Machinery Industry Association, said at the “National Launching Ceremony for Volvo Cup Second China Green Excavator Operator Green Fuel Challenge†that more than one million excavators have been installed on construction sites in China. There is a huge space for energy saving and consumption reduction. Although the new engine technology is mature, the 30% higher cost makes it difficult to popularize the new engine. He suggested that relevant government departments in the country could consider promoting the popularity of energy-saving engines through financial subsidies.
Volvo has long been committed to fuel efficient strategies and green technology solutions, bringing many successful experiences in the industry. The current slowdown in industry growth and near day-to-day competition have brought tremendous pressure for enterprises to survive. According to predictions by a professional in the industry, the Chinese construction machinery industry will enter the industry consolidation period in the next 5 to 10 years. The excavator production enterprises are expected to be reduced from the current 42 to about 8. At this time, cultivation of internal strength is the key to determining the future survival of enterprises. To solve the problem of fuel consumption and emissions in the industry, we need to start from the following aspects. First, from the aspect of industrial product design, designing this product is energy-saving; secondly, under the premise of meeting design requirements, the best components are selected to match, so that the energy used by the construction machinery equipment itself is reduced to Third, from the point of view of manufacturing, selecting materials that are more lightweight, such as the Association to declare a national second prize for science and technology, is to select carbon fiber materials instead of the traditional steel, so that the weight is reduced; Fourth, Enhance the operating skills of equipment users, for example, the association and Volvo co-organize the "explore battle" game. Through such activities, the operators can master better operating skills, just like the car drivers, and the same vehicle. The design of 7 oils per hour, but due to the operator's different, the operator may be unfamiliar to reach 8 to 9 oil, the familiar operator can be close to 7 oils, so through the "explore battle up to people" This kind of match allows the operator to reach this level. According to statistics, skilled drivers and skilled operators probably save about 10 to 15 fuels. At the same working hours, if the links between product manufacturing, design, and selection of equipment materials are reduced, it is possible to save about 10 points. However, from the point of view of manufacturing this product, there are a large number of products produced by enterprises. Not up to this point.
At present, there are two main factors that restrict the industry's promotion of energy conservation and consumption reduction. First, the cost issue. Take the engine as an example. To achieve the transition from the second stage to the third stage, the cost of the engine will increase by 30%. If one The use price of the engine in the phase is about 75,000. If we use a three-phase engine, the cost of the engine will increase to about 100,000 yuan. Now the cost of this engine depends entirely on the production companies and users to digest. It is very difficult. Here, we also call for the hope that the state will not be able to provide some funds for compensation at the time of its early implementation and subsidize users, so that after two years, users will consciously use three-stage products to achieve the purpose of full implementation of the industry. . The second issue is the issue of diesel oil products. Now, oil products cannot fully guarantee the requirements for the use of oil products in three-phase engines.
From the point of view of manufacturers of construction machinery, there is still a lot of room for effort. Junjun said: “We are now fully committed to improving the concepts of environmental protection, emissions, and energy saving, mainly from the concept and human understanding. At the technical level, we demand that measures be taken from design, selection of parts and components to lighter weight, and we will jointly work with Volvo to raise the driving level of excavator operators.The fourth we recommend from the matching of oil products Improve national fuel standards."
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