Standing on the Puming Bridge, looking ahead, the Brilliance Auto South Base next to the bridge, the just-off SUV Gold Cup Overbearing, the Pikajin Cup Western Hercules, the Miniature Gold Cup Sea Star, and the Micro Card Gold Cup Western Cowboys all lined up. . Traveling along Mian'an Beiyi Road, Huarui (Xinhua) Automobile, Fulin New Energy Automobile, Xinchen Engine, Xinhua Transmission, China National Heavy Duty Truck and other major projects are poised for development, with an annual output of 500,000 vehicles, 500,000 engines and 500,000 gearboxes are advancing, advancing to a total industrial output value of 300-400 billion yuan a year. After more than two years of disaster reconstruction, the automobile and parts industry in Mianyang is like an endless “dark horse†that has erupted into a powerful force and has become another industrial strength in Mianyang’s strong industrial city.
Starting from the High-tech Zone, along the Mianxing Avenue and Liaoning Road, the Brilliance Automotive South Base, the China National Heavy Duty Truck Mianyang Special Vehicle Project, the Brilliance Automotive and Engine Components Project, as well as a large number of companies such as Yangchen Auto Parts and Tianxin Auto Parts, etc. The fundus, Mian'an North car and parts industry with a clear outline. The clear outline of the industry is derived from the scientific attitude and pragmatic approach of the municipal party committee and the municipal government to the Mianyang automobile and parts industry. During the reconstruction, Mianyang City formulated the “Mianyang City Automobile and Parts Industry Development Plan†and “Mianyang North Area Overall Development Plan†to accelerate the development of the automobile and parts industry and scientifically coordinate the resources of the automobile and parts industry. According to the plan, we will focus on the construction of two automotive industry parks in the High-tech Zone and Anxian County, which will create an important production base for the automobile and parts industries in Mianyang City, and build a cluster development pattern that integrates vehicle manufacturing, parts and components support, and auto business services.
The Gaoxin District Automobile Industrial Park covers an area of ​​15,100 mu (including 7,500 mu of planned land in the first phase). Divided into 5 regions: Huarui Vehicle Production Zone, China National Heavy Duty Truck, Fulin Passenger Vehicle, Xinchen Engine and Xinhua Transmission, etc., Auto Parts Area, Auto Trade Area, Reserved Parts Production Area, strive By 2015, the total industrial output value will reach 20-25 billion yuan, with an increase of 0.6-7.5 billion yuan. Anxian Automobile Industrial Park has a planned area of ​​3,000 mu (of which 1200 mu in the first phase). Divided into two large blocks of vehicle and parts production areas and spare parts production reserve areas, and strive to achieve 2015 industrial output value of 100-15 billion yuan, an increase of 300-45 million yuan.
In order to push the automotive and parts industries with harmonious development, unlimited vitality and infinite potential to a fast-growing track, Mianyang City has also planned 10 square kilometers of automobile and parts supporting production bases in the Youxian Economic Experimental Zone, focusing on engines. Pressing column, air filter, oil pan and other spare parts production. Scientific planning and careful planning. At the beginning of the automobile and parts industry in Mianyang City, the group structure fully exerted its strong industrial advantage.
Entering the Liao'an Industrial Park, the roads criss-cross and the plant buildings are in full bloom. Huachen Automotive Engines and spare parts production bases of Huachen Group are under intense construction. With the support of the Liaoning Provincial Government, in April 2009, Huachen Automobile and Engine Parts Project of Mianyang City's key project for post-earthquake reconstruction was located in Huaian County. The projects included Shenyang Heye Company, Shenyang Crankshaft Factory, Pushu Mould, and Brilliance Automotive. RMB 1.5 billion, mainly producing automobile engines and parts, and possessing vehicle production capacity. After more than a year of intense construction, the construction of the pipeline network of the park has now been completed. In the first phase, 50,000 vehicle manufacturers, cargo containers, and frame plants have been completed and put into production. A person in charge of the park told the author: “After the completion of the second phase and production, it will achieve an annual output value of 12.7 billion yuan, a profit and tax of 800 million yuan, and will create more than 5,000 jobs.â€
Relying on the Brilliance Automotive and engine parts and components project, Mianyang City has attracted a large number of automotive accessory companies to settle in the park. Currently there are 14 projects signed, including 6 landing projects. At this point, Liao'an Industrial Park has basically formed the ability to produce automobile parts and engine parts, seats, front and rear axles, instruments, frames, oil pans, camshafts and other auto parts. Through the development of agglomeration in just over a year, a complete industrial chain from component processing to vehicle production is rapidly emerging.
According to reports, these auto parts industry rely on Huachen, Yangxiang and other key enterprises, focusing on new energy vehicles, special vehicles, engines and key parts production, by 2015, will achieve output value of 5 billion yuan. According to the concept of “centralization, agglomeration, intensive, and clusteringâ€, Mianyang City relied on the advantageous industries in the north of Mian'an to formulate plans for complete vehicles, auto parts, and the Mian'an North Industrial Belt, and to make the automobile and parts industries the pillar industries of the city. Layout. In order to promote the development of agglomeration, Mianyang City will take the automobile production as a leader, actively introduce the auto parts industry and auto supporting industries, and create long-term industrial chains to form an agglomeration effect.
In order to achieve intensive development, on the one hand, Mianyang City has implemented the integration of some auto parts and components companies, and on the other hand, it actively promotes the acquisition of land and small projects to build standard workshops for investment promotion ideas in large projects, and promotes the intensive use of industries and land. Mianyang City also focuses on high-tech zones and Anxian County, and develops automobile supporting industries and parts and components industries in the Youxian District, the Agricultural Section, and the Economic Development Zone to form industrial clusters. The concentration, agglomeration, intensive development, and cluster development have enabled the city's auto and parts and components industries to not only increase their scale but also strengthen their strength.
In the "New Three Cities" exhibition area of ​​the 11th Xibo Expo Mianyang Kebo Exhibition Hall last month, a "iron shovel" was favored by many merchants. This "iron shovel" is called a turbocharger. It is turbocharged by geometry, and the direction of intake of a variable internal combustion engine is used to achieve optimal adjustment of the internal combustion engine's intake air, which greatly improves the efficiency of the vehicle's engine. It was the military revolution of Mianyang City in 2009. Civil technology innovation results. Mianyang’s independent innovation results are far from the turbocharger. Up to now, Xinhua internal combustion engine and Xinchen Power have developed and mass produced three series of 25 models of light gas (chai diesel) oil vehicle engines, of which 8 models fill the gaps in the domestic market. In addition to the supporting light vehicles, the engines produced are also equipped with cars. Product technology and quality lead the country, forming a domestic engine independent famous brand.
A product must have a strong market competitiveness and must master the research and development capabilities of its core components. Through technological innovation and building its own brand, Mianyang City has taken a big step. In the post-disaster reconstruction, Mianyang City supported China Aerodynamics Research and Development Center and China Gas Turbine Research Institute and other research institutes to strengthen cooperation in production, learning, and research to speed up the transformation of scientific and technological achievements, and comprehensively enhanced the technological innovation of the automotive industry. The introduction of preferential policies, the implementation of the reform of the administrative examination and approval system to create a good investment environment, to attract domestic and foreign automobile R & D institutions settled in Mianyang, promote domestic well-known auto companies in the investment in the automotive industry in Mian. Aiming at the frontier technology of automobiles, grasping the development trend of automobiles, continuously improving the level of R&D and manufacturing of automobiles, and forming a sustainable technology base for the development of the automotive and parts industries. We will vigorously support enterprises in implementing technological innovation and brand innovation strategies, encourage enterprises to strive for national-level technology centers and upgrade technology centers, and strive to increase product technology content.
Today, Mianyang City has a national-level technical center (Xinhua) and a provincial-level technology center (Sanli Company), striving to add a national-level technology center and 3-5 provincial-level technology centers around safety, energy conservation, and environmental protection. In key areas such as the use of new materials and new processes for the development of vehicles and engines, Mianyang will create its own brand for the automotive and parts industries. With the rapid development of the automobile industry, we have seen an infinitely bright future. At present, there are 44 enterprises above designated size in the automotive industry, forming a complete vehicle as a leader, based on key components such as engines and transmissions, electric steering, camshafts, oil pans, bumpers, hydraulic devices, and automotive electrical appliances. Such as supporting the industrial chain of automotive and parts industries. The entire vehicle, engine, and related parts go hand in hand, and the Mianyang automobile industry will be brilliant tomorrow!
There are three basic types of fixed bed reactor: (1) axial adiabatic fixed bed reactor. The fluid flows through the bed along the axial direction, and there is no heat exchange between the bed and the outside world. (2) radial adiabatic fixed bed reactor. The fluid flows through the bed along the radial direction. Centrifugal flow or centripetal flow can be adopted. There is no heat exchange between the bed and the outside world. Compared with axial reactor, radial reactor has shorter flow distance, larger cross-sectional area and smaller fluid pressure drop. But the structure of radial reactor is more complicated than that of axial reactor. The above two forms are adiabatic reactors, suitable for the reaction heat effect is not large, or the reaction system can withstand adiabatic conditions caused by the reaction heat effect of the temperature changes. (3) The tubular fixed-bed reactor is composed of multiple reaction tubes in parallel. The catalyst is arranged in the tube or between the tubes, and the heat carrier flows through the tubes or tubes for heating or cooling. The diameter of the tubes is usually between 25 ~ 50mm, and the number of tubes can be as many as tens of thousands of roots. The tubular fixed bed reactor is suitable for the reaction with high thermal effect. In addition, there is a reactor composed of the above basic forms in series, called a multistage fixed bed reactor.
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