Gas separation equipment: localization is still the most important

The new economic normal will become the main theme during the "Thirteenth Five-Year Plan" period. From the perspective of various fields of application of gas separation equipment, after the development of the “Twelfth Five-Year Plan”, whether in the fields of petroleum, chemical, fertilizer, metallurgy, building materials, machinery, photovoltaics, or electronics, the production capacity has reached a relatively high level. The possibility of further expansion will be less. This will inevitably lead to a significant reduction in the use of gas separation equipment in the aforementioned fields during the "Thirteenth Five-Year Plan" period. At the same time, however, China's GDP will maintain a growth rate of 6.5% to 7%, and the gas separation equipment industry will still have certain development. In addition, market-oriented reforms and the implementation of the "going out" strategy are expected to further stimulate the vitality of gas separation equipment.

At present, the gas separation equipment manufacturing industry has formed the following development ideas: During the “Thirteenth Five-Year Plan” period, localization of extra large air separation equipment will continue to be promoted, and localization of supporting key components will be realized on the basis of complete mastering of integrated technology. Products are developing toward high quality, better performance, and integrated technology. We have made substantive progress in the application of specialty gases, high purity gas, and rare gases. To promote the research of cryogenic engineering and related products in the petrochemical field, especially in the fields of natural gas and coalbed methane. Set up a large-scale air separation and cryogenic field experimental research platform to carry out research on the mechanism of air separation. It can be seen that localization is still the top priority for the development of the "13th Five-Year Plan" gas separation equipment manufacturing industry.

During the “Thirteenth Five-Year Plan” period, the direction and objectives of the development of the gas separation equipment manufacturing industry will be mainly locked in eight areas:

To realize the development and industrialization of extra-large air separation equipment, it is necessary to construct large-scale and extra-large air separation equipment that integrates safety, economy, and stability, and to achieve the development and industrialization of 80,000 to 120,000 cubic meters/hour of air separation equipment. 150,000 cubic meters / hour air separation plant technical preparation.

To realize the localization of large-scale and extra-large air separation equipment and supporting units through joint research and development with the compressors, pump valves and other industries to form an industrial chain of domestic air separation equipment, and to further increase the localization rate of large-scale and extra-large air separation equipment. Among them, the localization rate of the complete set of air separation equipment for the 60,000 to 80,000 cubic meters/hour range has been increased from the present 50% to 70% to more than 85%, realizing localization; a complete set of empty space of 60,000 cubic meters/hour The localization rate of sub-equipment is increased from the current 35% to more than 80%.

To improve the industry's ability to set up a complete set of projects through the national ministries, funding, complete set of manufacturers and professional manufacturers collaborative research, development of large-scale supporting air compressor, turbocharger, key valves, high pressure cryogenic liquid pump, medium/high pressure expander, key dissimilar metals Joints and other key parts, machines and parts, improve the industry's complete set of capabilities and levels.

At the product level, we must work hard for 3 to 5 years to increase technological innovation and refinement management so that the energy efficiency, reliability, and safety of domestic large-scale and extra-large air separation plants can be greatly improved. Reached the level of similar products of international brand companies.

To realize the localization of rare gas extraction technology, to carry out the research on the production of helium and other special gases, pure nitrogen, pure oxygen and other electronically purified gases, especially the research on the extraction of plutonium and plutonium from natural gas, and to achieve localization. The research on application technologies of rare gases, high purity gases, and mixed gases will open up new opportunities for the gas market.

Strive to occupy a larger share of the natural gas equipment industry to master the development of conventional and unconventional natural gas liquefaction technology and key equipment, and promote the application of liquefied natural gas liquefaction projects of 2.6 million tons/year or higher to further expand petrochemical low-temperature and related industrial chains.

The atmospheric temperature gas separation technology occupies a certain share. The pressure swing adsorption equipment has the characteristics of low energy consumption, quick start-up, wide application range, and simple and mature technical equipment. It is increasingly used for energy conservation, emission reduction, low purity gas, metallurgy, petrochemical, and building materials. Gas purification field welcome. It is expected that during the “Thirteenth Five-Year Plan” period, pressure swing adsorption equipment will occupy 1/4 to 1/3 of the market for gas separation equipment.

Gas membrane separation technology that promotes membrane gas separation technology for oxygen generation, nitrogen production, and separation of hydrogen and other gases has developed rapidly in recent years. There are sets of units that use imported membranes, and there are also sets of technologies that use domestic membranes. At present, the membrane gas separation technology gradually matures, and the technical life of the membrane has exceeded eight years. During the “Thirteenth Five-Year Plan” period, membrane gas separation technology will be widely applied and promoted in some occasions where purity requirements are not high, and it will enter a stage of rapid development.

It is expected that during the “Thirteenth Five-Year Plan” period, one-third of the complete sets of manufacturers in the gas separation equipment manufacturing industry will be eliminated due to overcapacity and low-end products. Therefore, in terms of development strategies and measures, we should vigorously cultivate a group of specialized, refined and featured enterprises to create a national brand. At the same time, we encourage and cultivate a group of small and medium-sized enterprises that can produce and manufacture special equipment. The division of labor is specialized and the products have their own characteristics. Supporting large-scale brand enterprises.

“Going out” is an inevitable choice for international expansion after the development of China’s gas separation equipment industry. It is an important task for the industry to increase external publicity and expand exports of industrial products. We must make full use of the “Belt and Road” initiative. During the implementation of the strategy, China's gas separation equipment will be fully promoted to the world. At the same time, it will cultivate several large multinational companies with international competitiveness and build manufacturing bases and gas companies abroad.

At the same time, the gas separation equipment industry should accelerate the transformation from traditional manufacturing to manufacturing services. The first is to extend the air separation equipment industry as the main body to the two ends, with the upstream focused on the development of complete sets of engineering services, the downstream focus on the development of industrial gases business, and the strengthening of industrial gas application research; the second is “extension of horizontal”, in the development of complete sets of air separation equipment and key supporting facilities. At the same time, the unit business will take into account the horizontal development of petrochemical low-temperature related industries and specialty products with competitive advantages. The third is to open up the international market while maintaining the domestic market share.

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