Severe energy-saving and emission-reducing situation "green manufacturing" is imminent


Since 1996, the American manufacturing engineers and scholars published a blue book on green manufacturing and put forward the concept of green manufacturing. Green manufacturing is increasingly concerned by developed countries. In particular, after the International Organization for Standardization (ISO) has proposed the ISO14000 series of standards for environmental management, green manufacturing is considered as an advanced manufacturing model that can achieve sustainable social development. With the improvement of environmental protection standards and technological progress, green manufacturing will become the direction of manufacturing development in the 21st century, and green competitiveness will become an important component of manufacturing competitiveness. Under this background, the manufacturing industry will change the traditional manufacturing model, introduce green manufacturing technologies, develop related green materials, green energy and green design databases, knowledge bases and other basic technologies to produce green products that protect the environment and increase resource efficiency.

While welcoming unprecedented opportunities for development, China’s auto industry is also facing the challenges of oil supply security, environmental protection, and global warming. In the face of the future development of China's auto industry, "green manufacturing" will become a new choice for China's auto industry. In December 2007, at the “First Seminar on Green Manufacturing Technology for Machinery Industry” held in Beijing, the participating experts proposed that traditional manufacturing industries such as automobiles are large energy consumers. How to change the production mode and save energy and reduce consumption has become an urgent need to be resolved. The problem.

The global automotive industry sets off a "green wave" and blew "green wind"

In recent years, developed countries have created a "green wave." Some government departments in some countries have already launched “green plans” with the theme of protecting the environment. They even require that imported cars be green certified and have green signs. In order to protect their own environment, some countries have formulated extremely stringent product environmental indicators to restrict foreign products from entering their domestic markets, ie setting up green trade barriers.

The automotive industry in the European Union and the United States is vigorously promoting the "no-waste processing" technology, and new environmentally-friendly materials have been widely adopted. General Motors and other automotive companies use Aubel steel balls instead of hardened steel to produce automotive rear axle spiral bevel gears, saving energy consumption by 50% and cost reduction by 40%. Chevrolet has an engine, 43% of which can be directly dismantled and a large number of components can be reused.

From March 6 to March 16 this year, the 78th Geneva International Motor Show was held at the Paltxpo Convention and Exhibition Center in Geneva. As one of the most influential auto shows in Europe, the theme of this year's Auto Show is environmental protection and green. The “direction of development of new technologies and diversified automotive energy sources” has been identified as an important issue for this Geneva Motor Show. Green Wind Throughout every corner of the Geneva Motor Show. It is not so much a car show as it is a large showroom for green technology. The auto show has exhibited a large number of green cars. It is understood that there are more than 260 car manufacturers exhibiting at the Geneva Motor Show, exhibiting a large number of new energy-saving, environmentally friendly new vehicles and new technologies for the production of new environmentally-friendly materials. When the development and application of new technologies and alternative fuels have become a development trend, companies have stepped up development in this area. It is reported that 17 of the 94 global or European launch vehicles in the exhibition used alternative fuel technology. A "green tide" is sweeping the global automotive industry, and it is getting more and more intense. Its momentum is like a storm and it is unstoppable.

Energy Saving and Emission Reduction Calls for "Green Manufacturing"

Compared with the "green tide" that developed countries have created, China has a big gap in green manufacturing. In 2006, China failed to complete its goal of energy saving and consumption reduction. Traditional manufacturing industries such as automobiles were considered the “culprit”. Some experts pointed out that in recent years, China's automobile industry has developed rapidly, but to a large extent it is at the expense of high energy consumption and high pollution. According to Shan Zhongde, director of the Advanced Manufacturing Technology Research Center of the Central Research Institute of Machinery Science, “The pressure on the environment and energy in China is very large. In the future, China’s auto industry needs to set off a wave of 'green manufacturing'. Changing the mode of pure pursuit and profit ."

Premier Wen Jiabao pointed out in this year's government work report that we attach great importance to resource conservation and environmental protection. The National People's Congress and the "two sessions" of the Chinese People's Political Consultative Conference (CPPCC) held this year have focused on energy saving and emission reduction. Representatives of the "two sessions" and members made suggestions and suggestions to focus on energy conservation and emission reduction. Green. During the "two sessions," representatives and members of the "two sessions" of the automotive industry closely followed how the automotive industry implemented the scientific concept of development, and submitted proposals for proposals on the major issues such as energy-saving emission reduction and environmental protection, and actively offered suggestions and suggestions. Insight and rationalization advice. It is gratifying that in the face of the “green wave” set off by the developed countries and the increasingly stringent energy conservation and emission reduction situation in China, the sense of crisis, responsibility and urgency in the “green manufacturing” of the automotive industry in China has gradually increased, and “green manufacturing” has increased. The pace was gradually accelerated, and the intensity gradually increased, with initial success.From March 3rd to 4th this year, the 2008 Suzhou Bus Show, which was hailed as the Green Bus Show, was held at the Suzhou International Expo Center. It was from China and the United States, Germany, and Japan. More than 100 manufacturers of passenger cars and passenger car parts such as France and Japan gathered in Suzhou; the theme of the exhibition was “Green Power, Green Passenger Cars, and Green Transportation”. Green power, green and efficient buses, and new types of green transportation BRT cars all appeared. Passenger cars manufacturing companies such as Suzhou Golden Dragon, Xiamen Golden Brigade, Zhongtong Bus, Zonda Bus, and Huanghai Bus have brought various types of green buses that meet Euro 4, Euro 3 low-emission, hybrid power, and new energy standards; they have exhibited public transportation and tourism , green roads in various fields, in addition, in response to energy-saving emission reduction and electromechanical integration, with the production of intelligent, efficient passenger car parts manufacturers The company also exhibited products and exhibited the technological development direction of the related passenger car equipment in the future. At the Suzhou Auto Show, the 2008 China (Suzhou) International Bus Exhibition Awards Ceremony was also held in the same period. A total of 11 awards were set, including “ The 2008 China Green Bus Award (a total of 14 products won by 12 companies); green, business opportunities and technology have become key words for this exhibition. The “Green Whirlwind” spurred by the 2008 Suzhou Bus Show/predicts the trend of “green manufacturing” in the future of the Chinese auto industry, and it also gives the people of the country an expectation and confidence in the prospect of “premature manufacturing” of the Chinese car.

China's automobile industry needs "green manufacturing" to increase its intensity and implement key breakthroughs

It is reported that "absolute manufacturing" includes the whole process of designing, manufacturing, using, and maintaining the vehicle until it is scrapped and recycled. Its purpose is to reduce the pollution of the automobile environment, increase the energy use rate, and enable people to enjoy the convenience brought by automobiles. At the same time, to achieve a harmonious relationship between the development of the automobile and the environment.

The "green manufacturing" of China's auto industry is a systematic project that involves all aspects. It is easy to say and difficult to do. It does not happen overnight. It requires a lot of hard and meticulous work and a long period of hard work. It is necessary to carry forward the spirit of "only rushing to the eve", seize opportunities, accelerate the pace, narrow the gap with developed countries as soon as possible, and keep up with the "green manufacturing" wave of the global automotive industry. For this reason, the author suggests that China's auto industry "green manufacturing" should achieve new breakthroughs in six aspects.

-- Achieve new breakthroughs in the priority development of high-quality, small-displacement vehicles. There is such a set of data: Before 2005, the market share of China's 1.3L displacement models accounted for about 23%; in 2006, it dropped by 17.6%; in July 2007, this proportion decreased by 3.7%; less than 1.0L row The volume of vehicle sales decreased by 30.9% year-on-year. According to the statistics of the National Association of Passengers, the average engine displacement of domestic cars in the first half of 2007 was 1.68L, which was 0.15L higher than that of the same period in 2006. The engine of each new car in China was only one year. Displacement increased by 9.8%. From the perspective of mainstream consumer vehicles in the automotive market, mid-size vehicles with displacements of more than 1.6L are still the main market segments for auto consumption. This shows that the development of small-displacement vehicles is not optimistic. It is precisely because of this that during the "two sessions" this year, many members and representatives of the "two sessions" in the auto industry made suggestions and suggestions and called for a loud voice: energy-saving emission reduction should start from small-displacement vehicles and vigorously develop small-displacement vehicles. The representatives of the "two sessions" and members of the committee have expressed their suggestions for the development of small-displacement vehicles in four aspects. The first is to scientifically define the standards for small-displacement vehicles. Liu Guangfu, former vice president of the National Committee of the Chinese People's Political Consultative Conference (CPPCC) and member of the National Committee of the Chinese People's Political Consultative Conference (CPPC), pointed out that the state should clarify the definition of “small displacement” and refine the taxation standards for small-displacement vehicles into several grades to give tangible encouragement and support. Wang Fengying, deputy to the National People's Congress, specifically mentioned in the National People's Congress proposal that it is appropriate to set the car below 1.5L as a "small-displacement" vehicle. In general, there are four indicators for measuring the advanced or not of small-displacement, such as rising power, minimum fuel consumption under urban conditions, exhaust emissions, and collision safety. Second, the state must continue to increase its policy incentives for small-displacement vehicles. In the proposal, NPC deputy Yin Jiaxu proposed that the state should introduce more tangible and preferential policies to encourage people to use small cars; introduce a fuel tax as soon as possible, completely abolish various restrictions on small cars with low energy-saving and environmental protection, and formulate a national unified compact Car standards to prevent local secondary restrictions on small policies. He also suggested that the State draw on Japan’s practice to levy relevant automobile purchase tax based on the size of the engine's displacement. Wang Fengying suggested that the encouragement policy for small-displacement vehicles should be fully reflected in sales and consumption. It is suggested that the consumption tax and user fees for high-quality small-displacement vehicles be discounted or partially reduced. The third is to adjust the government procurement standards. Government official vehicles should give priority to the use of energy-saving and environmentally-friendly small-displacement vehicles with higher technical content, so that small-displacement, high-quality, energy-saving and environmentally-friendly fine cars become the first choice for government procurement vehicles; Fourth, they must improve small-displacement vehicles. Quality. Wang Chaobin, a member of the National Committee of the Chinese People's Political Consultative Conference (CPPCC), believes that the development of small-displacement vehicles must improve the quality of small-displacement vehicles. We cannot create low-quality, small-displacement vehicles. Li Xiaodong, member of the National Committee of the Chinese People's Political Consultative Conference (CPPCC), also proposed that auto companies should create high-quality safety, environmental protection, and energy-saving vehicles with low-emissions through technological innovation, and fundamentally change China’s traditional view of auto consumption. Wang Fengying said that the small-displacement vehicles that are in line with the future development trend should be both energy-saving and environmentally-friendly, as well as high-performance, high-security, and high-quality features. High-tech energy-saving and environmentally friendly small-displacement vehicles can also achieve the performance and technical level of large-displacement vehicles. The above-mentioned "two sessions" represents the suggestions of the members and deserves great attention from the state and the automobile industry. They have been seriously adopted to further promote the accelerated development of high-quality and small-displacement vehicles.

-- To achieve new breakthroughs in the development of new energy vehicles. According to Li Xinmin, Director of the Pollution Control Department of the State Environmental Protection Administration, in recent years, under the strict EU environmental directives, especially under the pressure of the new EU vehicle exhaust emission standards, the number of Chinese cars entering European and American markets has become higher and higher, reaching relevant levels. Environmental standards have become the main technical barriers faced by China's auto exports. Therefore, the development of clean, environmentally friendly cars is not only a fundamental means to solve the contradiction between the automobile and the environment, but also an important means for Chinese auto companies to enter the international market, and is an important way for China's auto industry to become international. It is also the top priority of "green manufacturing" in China's auto industry. Compared with traditional cars, the start of new energy vehicles in China is not too late. During the “Ninth Five-Year Plan” period, new energy vehicles such as electric vehicles have even become the project with the highest research budget in the “863” plan. In 2005, there were more than 60 projects related to "863" fuel cells and hybrid vehicles that were approved by the project. The total budget was nearly RMB 250 million, and initial results have been achieved. According to Ouyang Minggao, head of the national "863" Program's Energy Conservation and New Energy Vehicle Major Project Team, after several years of efforts, the research and development capabilities of China's new energy vehicles have been weak and strong, and the independent innovation and technology integration of electric vehicles has been realized. A relatively complete industrial layout. At the same time, key parts and components technologies such as automotive fuel cell engines, drive motors, and power batteries have also made significant progress and formed a supporting industrial chain. At present, China's self-developed pure electric, hybrid and fuel cell three new energy vehicle vehicle products have been published one after another. Among them, fuel cell technology ranks first in the world, hybrid power and pure electric buses achieve scale demonstration, and pure electric cars achieve bulk export.

Although the industrialization pattern of China's new energy vehicles has taken shape, although China's new energy vehicle technology has made significant progress, it still has some distance from marketization, and there is still a certain gap compared with the world's advanced level. According to reports, unlike conventional cars using gasoline and diesel as fuel, energy-saving and environmentally friendly new energy vehicles are generally divided into four types: alternative fuel vehicles that use alternative fuels such as gas, biomass, and coal-based fuels; use of gasoline, Diesel or alternative fuels, but hybrid electric vehicles with hybrid electric systems that have significant fuel economy effects; pure electric power from the grid using pure electric vehicles driven by batteries and electric systems; and fuel cell vehicles that use vehicle-mounted hydrogen fuel cells to generate electricity and electric systems.

Li Wanli, director of the Industrial Policy Department of the National Development and Reform Commission, believes that China should promote technological innovation from three aspects. The first is to develop and promote advanced internal combustion engines and hybrid vehicles, study the combustion mixing technology, and promote the technical transformation of the power system; the second is to develop and apply gas fuels, coal-based fuels, and biofuels, to promote the diversification of transportation energy sources, and to study fuel mixing. (Admixed with burning) technology, and at the same time step by step to promote the expansion and transformation of infrastructure; Third, to develop fuel cell vehicles and pure electric vehicles R & D, demonstration and industrialization, research output power mixing technology, and promote new energy electric vehicle technology innovation and Focus on leapfrogging.

- New breakthroughs in vehicle weight reduction. Some experts pointed out that for the automotive industry to continue its development, we must actively study new technologies, new equipment and new materials for energy conservation and emission reduction, and promote resource-saving, energy-saving and environment-friendly “green manufacturing” process technologies. Lightweighting is the development trend of automobile manufacturing in the future. However, while the automobile is lightweight, it must ensure that the vehicle's performance, safety, energy saving, environmental protection, cost, quality, and quality are not affected by the task. Experts believe that car lightweighting is to ensure that the overall quality and performance of the car are not affected or even improved. Under the premise of ensuring that the car's own weight is reduced as much as possible, high output power, low noise, good controllability, high reliability, etc. are pursued; Light weight is mainly achieved through rational structural design and the use of lightweight materials.

Since the beginning of the 1980s, oil prices have been rising due to the tight international oil resources and the situation in the Middle East. The automakers have had to adopt a variety of lightweight measures, such as compact technology, extensive use of magnesium, aluminum light alloys and engineering plastics, use of steel, aluminum, plastic hybrid structural body and ultra-light steel automobile technology, etc. to curb the car The rising trend of vehicle maintenance quality. In recent years, automakers in various countries have carried out research on new technologies, new materials, new processes, and new products around energy conservation, material saving, environmental protection, cost reduction, and improvement in dynamics, economy, reliability, safety, and comfort. The theme is car lightweighting. According to the latest information, in the past 20 years, foreign passenger cars have lost an average of 8% to 9% of weight every 10 years, and commercial vehicles have lost 10 to 15% of their weight; it is expected that the weight of cars will continue to decrease in the next 10 years. %. In China, the weight of self-owned brand cars is 10% to 15% higher than that of similar cars in developed countries. There is a significant gap between Chinese self-owned brand cars and foreign cars in light weight.

The lightweighting of automobiles has become a key research topic in the development of the automotive industry. Research shows that reducing the weight of a car is one of the effective measures to reduce vehicle emissions and improve fuel economy. According to the World Aluminum Association's report, every 10% reduction in the weight of a typical car can reduce fuel consumption by 6%-8%. The increase in fuel economy means a corresponding reduction in greenhouse gas emissions. Statistics show that, in 2006, gasoline used in motor vehicles accounted for about 86% of gasoline production, and automotive diesel accounted for about 24% of diesel production. In 2007, China's auto production has exceeded 8.8 million, and this year it will sprint to 10 million. With the increase in car production and retention, cars will consume more oil resources. The car has become a veritable energy consumer. Since it is a large energy consumer, this means that we must assume greater responsibility for energy conservation and environmental protection. As a commercial vehicle company that revitalizes China’s automobile industry, it is even more important that it shoulders heavy responsibility. According to experts, the member units of the Automotive Lightweight Technology Innovation Strategic Alliance will carry out research on key technologies for general automotive light weight under the protection of a national loan of 100 million yuan and self-funding of 500 million yuan. Through technological breakthroughs and the combination of lightweight design of products, some alliance member companies have reduced their weight by 8%-10%, and their fuel consumption has been reduced by more than 6%. The safety meets the mandatory safety standards for the frontal and side impacts of the national car; it has reached the level of lightweighting of the current international similar products. Commercial vehicles will reduce about 300 kilograms, and the steel used in the frame will reach the current international advanced level. Commercial vehicle companies should further emancipate their minds, develop new ideas, and do a real job. They should make a contribution to the lightweighting of commercial vehicles and make a positive contribution to energy conservation and environmental protection.

-- To achieve new breakthroughs in promoting the recycling economy and strengthening recycling of end-of-life vehicles. Experts believe that promoting the development of circular economy and strengthening the recycling of end-of-life vehicles is also the main way to achieve energy conservation and emission reduction, and is also an important part of the “green manufacturing” of the automotive industry. In February 2006, the National Development Committee, the Ministry of Science and Technology, and the State Environmental Protection Administration jointly issued the "Recycling and Utilization Technology Policy for Automotive Products" (hereinafter referred to as "Policy"). It aims to guide automobile production and sales and related companies to start, carry out and promote the scrapping and recycling of automotive products, and promote the establishment of a recycling system for automotive products. The "Policy" proposes three phases of goals. The three ministries also said that the state will establish the relevant systems proposed in the "policy" in due course and will continue to implement them before 2010. During the “two sessions” this year, a proposal of Li Shufu, a member of the National Committee of the Chinese People's Political Consultative Conference, once again raised the issue of vehicle recycling, he suggested actively exploring the recycling and recycling of the automotive industry, and triggered the industry’s renewed attention to the issue of recycling and reuse of automotive products. .

In recent years, China’s auto sales have grown rapidly, becoming the world’s second-largest automotive consumer market, and the number of auto ownership has also been growing at a high rate. At present, it has nearly 60 million vehicles. The number of scrapped autos has also increased year by year. About 2 million vehicles are scrapped each year in the country. With the upgrading of emission standards and the improvement of safety technology requirements, auto crushing will usher in a new climax, and the problem of recycling and reusing the auto products that will be adapted will become more and more urgent. In addition, the current available land and less resources, but also the accelerated use of end-of-life auto products. At present, the recycling of end-of-life vehicles in Germany, France, the United States, Japan, and other countries exceeds 80%, and some even reach 98%. However, there is still a big gap between the current level of scrapping and recycling at home and foreign countries. Today, foreign automobile dismantling has long formed a huge industry with professional division of labor and scientific processes. For example, there are more than 4,000 scrapped automobile companies in Germany, more than 20 broken enterprises, and 5 metal separation companies. In contrast, the country currently has scrap cars in the country. There are more than 100 enterprises that have been certified for recycling. With the continuous development of the Chinese economy and the ever-increasing volume of scrapped vehicles each year, the annual output value of recycling will increase further. According to Chen Xianzu, a member of the China Automobile Industry Advisory Committee, recycling and recycling involve many complicated issues. Government departments and companies are required to make a lot of preparations. Take plastic parts as an example. Nowadays, there are many non-recyclable plastics in domestic automotive materials. In order to achieve recycling, we must first solve the problem from the source of manufacturing. This requires new high-tech manufacturing technologies. At present, many companies are still not ready. How government departments have enforceable control measures is also an urgent issue to be solved.

Professor Guang Hong of Tsinghua University pointed out that we can't wait until the car is scrapped and then consider how to dismantle and recycle it. We should consider it at the research and development stage and deal with the “green” recycling of scrapped cars. Otherwise, it will cause secondary pollution and cause more damage. The State has adapted to the relaxation policy and allowed the establishment of a number of end-of-life vehicle recycling companies to inject the necessary competition mechanisms to facilitate the development and improvement of the end-of-life vehicle recycling industry. In the early stages of development, the recycling enterprises have given certain preferential support for taxation and related policies. At the same time, strengthen the management assessment of scrapped companies.

——To achieve new breakthroughs in the development of auto parts remanufacturing industry. The so-called remanufacturing refers to the use of waste electrical and mechanical products as raw materials, and the use of high-tech cleaning processes and repair techniques to achieve the same performance as new products without changing the shape and material of the products. Remanufacture is the industrialization of high-tech repair and performance of used products. It is not only an advanced manufacturing that saves resources, but also a green manufacturing that protects the environment. Remanufacturing can save energy, reduce pollution, and promote the development of the world's circular economy, which is in line with China's sustainable economic development.

The two documents No. 21 and No. 22 promulgated by the State Council in 2005 pointed out: The state will vigorously “support the remanufacture of used machinery and electronic products” and include the “green remanufacturing technology” in relevant departments of the State Council and local people’s governments at all levels to increase the economy. One of the key and common items of support efforts was “In April 2006 and June 2007, Vice Premier Zeng Peiyan gave instructions twice on the development of the auto parts remanufacturing industry, again demonstrating that the State Council supports the remanufacturing of auto parts. Attitude.

According to statistics, in 2005, the value of the global remanufacturing industry was estimated to exceed 100 billion U.S. dollars, the U.S. scale exceeded 75 billion U.S. dollars, and automobiles and construction machinery accounted for more than two-thirds of this year. The nation’s automotive remanufacturing industry has covered components such as engines, transmissions, clutches, steering gears, and air-conditioning compressors. Although the Chinese government gave full support and affirmation to the remanufacturing of auto parts, the late start, the narrow range of products, the backward technology and process of remanufacturing, the unclear access to the old parts of the source, the insufficient supply, and the lack of market circulation It is still the main reason that restricts the development level of China's auto parts remanufacturing. China's first enterprise to start up auto parts remanufacturing is Boko (Changshu) Electric Co., Ltd., which remanufactured automobile generators and starters in Shekou, Shenzhen in 1986, which was 40 years behind that of foreign countries. At present, there are only five companies that are engaged in remanufacturing in China, such as SAIC-VW Rebecca Powertrain Co., Ltd. and Caterpillar Remanufacturing Industry (Shanghai) Co., Ltd. A common feature of these enterprises is that they all have a foreign background, and purely private enterprises do not occupy a single seat in this field. Dong Yang, Executive Vice President and Secretary-General of the China Association of Automobile Manufacturers, pointed out in the report “Remanufacturing is Green Wealth” made at the 2007 China Automotive Industry Development International Forum, that the ideological understanding and obstacles to the old concepts, and the legal constraints, Inadequate tax and fee incentives, inadequate measures to recycle old parts, qualification requirements for remanufacturers, access conditions for remanufactured products, and unclear labeling systems are also issues that currently affect the development of China's auto parts remanufacturing industry. According to Qi Yiping, executive vice chairman, senior economist and head of the auto parts remanufacturing industry research group of the China Automotive Industry Association, China’s auto parts remanufacturing pilot program has been fully promoted. After one year of research and demonstration, the research topics for the development of auto parts remanufacturing industry have achieved certain results. The remanufacturing project plan, pilot companies, and pilot management measures will be announced in the near future. It can be foreseen that remanufacturing will become a hot topic in the automotive industry. The recycling of used assemblies and parts will surely become broader. Remanufactured parts with reliable quality and low prices will also become a new force in the aftermarket parts market.

——To achieve new breakthroughs in teamwork and promotion of “green manufacturing”. Experts pointed out that nowadays, most auto companies in China are "respective of their own government" in improving their production processes. From the perspective of international development experience, innovation in energy conservation and emission reduction needs not only government support, but also the strength of joint enterprises and scientific research institutions. If necessary, it can also consider cooperation with foreign countries. Cao Jianlin, vice minister of the Ministry of Science and Technology, said recently that it is the unshirkable responsibility of the Ministry of Science and Technology to rely on advanced science and technology to transform traditional manufacturing. The Ministry of Science and Technology has set up a “Special Action for National Saving and Emission Reduction Technology” to provide scientific and technological support for “green manufacturing” and vigorously promote the “Eleventh Five-Year” 863 Program for Energy Saving and New Energy Vehicle Major Projects, which is “green manufacturing” for the automotive industry. Undoubtedly it is a strong support and encouragement.

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