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Axial compressors dominate
Recently, the AV100-17 axial compressor developed by Shaanxi Blower (Group) Co., Ltd. won the National Science and Technology Award, which caused a great sensation in the industry, because this honor is the highest award ever obtained by China's general machinery manufacturing industry. Axial compressors are the key supporting equipment for major national technological equipment. AV100-17 axial compressor is the largest axial compressor independently designed and manufactured in China. The machine has advanced design and reasonable structure, and the unit's overall level has reached the international advanced level. The successful development of axial compressors completely ended the history that China could not design and manufacture large-scale axial compressors. Shaanxi Drum Design and Manufacturing of Shancang Axis Flow Compressors won many awards: AV-100 Axial Flow Compressor was awarded the National Excellent New Product Award for National Technical Innovation by the State Economic and Trade Commission in 2001; AV100-17 Axial Flow Compressor was awarded 2002 Shaanxi Machinery Industry Science and Technology Progress Award for the year; AV100-17 axial compressor won the first prize of 2003 China Machinery Industry Federation, China Mechanical Engineering Society Science and Technology Award. What are the characteristics of axial compressors? Shaanxi Drum is currently the only company in China that designs and manufactures fully-adjustable axial-flow adjustable axial compressors. Axial compressors developed by Shaanxi Drum are divided into A and AV series. Both are designed and manufactured using the original Swiss Sulzer. A series is static leaf is not adjustable, AV series is full static leaf adjustable. Axial compressors have five major technical characteristics: First, the most advanced ternary flow theory and optimized design methods are adopted for the aerodynamic compressor's aerodynamic design; new types of cascades with high efficiency and large pressure heads are successfully carried out. Reciprocity degree leaf type combination design. Under the same parameters, the newly-designed product is 1 to 2 less than the original imported foreign product, and the average efficiency is increased by more than 5%, and the efficiency is 10% higher than that of general centrifugal compressor. The second is to use advanced programs for rotor dynamics design, and the product placement base and bearing rotor are used as a system for various calculations and analysis, which improves the smoothness, safety, and reliability of product operation. The third is the use of a full stationary blade adjustment mechanism, expanding the original static blade adjustment angle from 37 to 79 to 22 to 79, which expands the adjustment range of working conditions; at the same time, it further researches and develops new technologies for adjustable and variable speed adjustment of the full stationary blade. The scope of working conditions has been widened by more than 15%, which effectively avoids the loss of energy caused by air release during operation. Fourth, the overall structure adopts a common base that is easy for users to install and debug; the stator assembly adopts a three-tiered cylinder structure, which improves the thermal stress distribution of the internal components of the product, improves the vibration resistance of the product, reduces the noise of the unit, and is more noise than foreign counterparts. The product is 5 to 10 decibels low. Fifth, a large number of DU-type alloy and graphite bearings are used in the adjustment mechanism and sliding support components. This material has good oil-free self-lubricating characteristics. Where is the axial compressor used? The axial compressor developed by Shaanxi Drum can be widely used in metallurgical industry 300m3 ~ 4000m3 blast furnace installations; petrochemical industry 600,000 to 500 million tons/year heavy oil catalytic cracking unit, petroleum refining unit; chemical fertilizer plant, nitric acid plant, sulfur Sulfuric acid plants; large coal chemical plants; air compressor stations in the pharmaceutical industry; large-scale wind tunnel test facilities in the aviation industry; sewage treatment plants and coal gasification combined-cycle power plants all play an important role in all fields of the national economy. In 1985, based on the introduction of technology, Shaanxi Drum produced the first axial compressor, and by 1991 it had achieved full localization. So far, the company has designed and manufactured more than 350 (sets) of axial compressors. These products are widely used in various fields of the national economy and have directly contributed to the nationalization of major national technical equipment. In the iron and steel industry, there have been 240 axial drum compressors for blast furnace blast furnaces currently in operation in the steel industry; in the petrochemical industry, more than 60 axial compressors for heavy oil catalytic cracking units have been used; In the chemical industry, there are more than 10 three-in-one and four-in-one units of nitric acid; there are 16 axial compressors used in the fermentation industry; and dozens of CCPP units and fertilizers are used in gas-fired combined-cycle power plants. Large-scale air separation plants, sewage treatment plants and power stations, and wind tunnel tests in production. The promotion and application of more than 350 Taiwan (sets) of axial compressors in the country each year saves nearly RMB 500 million in electricity costs for the country, which plays an important role in promoting the development of the national economy. In the past, the axial compressor market in China was monopolized by foreign companies. Today, the axial compressors produced by Shaanxi Drum have reached a domestic market share of 95%, and 6 of them have been exported to India, Sudan, Iran, Pakistan and other countries. The Shaanxi Drums and Shaanxi Drums in Ascendas is a large-scale professional key enterprise that designs and manufactures large-scale turbine blowers, compressors, and energy recovery devices in China. It is a top 500 Chinese machinery company and has passed ISO9001 quality management system, ISO14001 environmental management system and OHSMS18001 occupational health. Safety management system certification. The company's leading products are axial compressors and energy recovery turbines (TRT). For more than 30 years, Shaanxi Drum has provided more than 10,000 sets of equipment for the pillar industries of the national economy such as petroleum, chemical industry, metallurgy, sewage treatment, and pharmaceuticals. The products are exported to Yugoslavia, India, Sudan, Iran, Pakistan, and North Korea. In recent years, especially since 2001, Shaanxi Drum has achieved remarkable results in various tasks by implementing the company's development strategy centered on the marketing strategy of Shaanxi drums. From 2001 to 2004, the major economic indicators of Shaangu --- sales revenue, profits and taxes, and profits, increased at an average annual rate of 72%, 113%, and 165%, showing a good momentum of simultaneous rapid growth in scale and efficiency. On September 1st last year, at the 2004 China Famous Brand Product Recognition Conference held in the Great Hall of the People, Shaanxi Blower (Group) Co., Ltd. Shaanxi Drum Brand Axial Flow Compressors was awarded China Top Brand Products. In the past four years, Shaanxi Drum has won the National Quality and Efficiency Advanced Enterprise and Special Award, the National Quality Management Group Activity Excellent Enterprise Award, the National Customer Satisfaction Enterprise Award, and the National Machinery Industry Civilization Unit Title, and has won the Shaanxi Provincial State Tax System Model for 3 consecutive years. Taxpayers, top 10 tax-paying companies, tax-credit A-class companies, and honorable taxpayers honored the title. In August 2004, the State established a post-doctoral scientific research station in Shaanxi. At present, Shaanxi Drum is accelerating the reform of the property rights of enterprises to establish a modern corporate governance structure with clear property rights, diversified investment bodies, and in place of owners, so as to completely solve the bottleneck problem of enterprise development. They established a long-term development mechanism, and at the same time vigorously implemented the brand strategy, built an internationally renowned brand enterprise, and strived to achieve the output value target of 2.5 billion yuan this year, making greater contributions to the development of China's turbine industry!