Recently, the reporter learned from Hafei Automobile that Hafei Motors, which has always focused on the micro-vehicle and MPV market, will fully enter the sedan market and the self-developed sedan Saibao has entered the final commissioning stage. According to relevant personnel of Hafei Automobile, Hafei has been producing micro-bread, mini-cars, and hatchbacks for several years. After improving all aspects of technology and management, Hafei is now fully capable of producing sedan cars with higher technical content. At present, Hafei has an annual production capacity of 300,000 cars and 400,000 engines. The foreign partner developed independently by the series has always been Pininfarina of Italy. The eight-year cooperation has successively developed Hafei Zhongyi Minibus and Lubao hatchback sedan. The upcoming Hafei Leopard is the latest product. The minimum price of horse racing is only 71,800 yuan. In the face of the recent price cuts of major car manufacturers, Hafei Motors organized a 40-day large-scale special offer to sell the existing models of Hafei Racing, Hafei Zhongyi and Hafei Micro-facets at preferential prices. . According to sources from the manufacturers, the special offers will continue from June 21st until the end of July. Some models of Hafei Racing have reduced their prices by 5,000 yuan to 7,000 yuan. Hafei Zhongyi has reduced the price of some models by as much as 2,400 yuan, and Hafei Microfabrication has offered about 500 yuan. According to relevant sources, Hafei Racing is a multi-purpose passenger car derived from Mitsubishi technology. Its spacious interior space is a major selling point. After this ex-gratia payment of RMB 5,000 to RMB 7,000, the lowest price has been reduced to RMB 71,800. With the guarantee of Mitsubishi technical quality, the new price will be a big temptation. Hafei Zhongyi is currently the main vehicle model in the mini-vehicle market. It has sold more than 230,000 vehicles in the market for five years, and this time it has dropped by 1400 yuan to 2,400 yuan. The lowest price model has been lowered to 29,200 yuan. Saibao was sold for less than RMB 120,000. According to the reporter's understanding, the upcoming technologies of Hafei Saibao rely on Pininfarina's body design and Mitsubishi's engine technology. The reporter saw at the just-concluded Beijing auto show that the design of the Leopard continued the typical Italian style, with classical and rich changes, and a heavy sense at the front part. From the side, the Leopard appears to be slender, because the length, width and height are 4395 mm, 1700 mm and 1467 mm, respectively, and they are also quite prominent in domestic mid-level cars. The company's technical staff introduced that because the design of the Polaris car as a competitive model, so the interior space design is equal to or greater than the Polaris. The reporter was also informed that Saibao has prepared 2.0-liter and 1.6-liter engines, using Japanese Mitsubishi technology and produced by Hafei's joint venture engine plant with Mitsubishi. Both engines are 16-valve, with a 1.6-liter engine power of 74 kW and a 2.0-liter engine of 93 kW. The new car uses a double-sided airbag, front and rear rows are equipped with seat belts, emissions can reach the Euro III standard. The maximum speed of 1.6 liters is 170 kilometers per hour; 2.0 is 180 to 190 kilometers per hour. The relevant person of Hafei Automobile stated that there are other factors besides cost, such as market, so Saibao has not finalized the price. However, industry insiders estimate that the price of 1.6 liters, manual gear, dual airbags, and ABS will be controlled from 110,000 yuan to 120,000 yuan. The reporter learned that, after Saibao was put on the market at the end of this year and early next year, its designed annual output will reach 100,000 vehicles. Since the product development has been completed, Saibao has entered the final commissioning stage. (Guo Bin) Source: Nanfang Daily
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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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