Air separation equipment and industrial gas are dependent on each other

Air separation equipment and industrial gas are dependent on each other

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Air separation equipment is used to produce high-purity gas and is one of the core equipment in the industrial field. The complete set of air separation equipment uses cryogenic rectification separation technology to separate air to produce high-purity oxygen, nitrogen, argon and other gases, which are widely used in various fields of the national economy.

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Demand distribution of air separation equipment industry

According to the analysis of "China Air Separation Equipment Manufacturing Industry Analysis Report", large-scale air separation equipment is currently mainly used in industries that use large amounts of oxygen and nitrogen such as steel, petrochemical, metallurgy, electric power, and industrial gas. The downstream demand distribution by equipment is as follows: steel accounts for about 30%-40%, petrochemicals account for about 30%-40% (mainly coal chemical industry), and other industries account for about 20%-40%.

   Air separation equipment has applications in many other fields. In the field of wastewater treatment, oxygen-enriched aeration system, pulp bleaching and water disinfection treatment, etc., low-temperature pulverization, medical care, and food nitrogen filling and fresh-keeping have broad market potential.

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   Chart: Other demand areas of air separation equipment

Development prospects of air separation equipment industry

   1. The competitive advantages of China's air separation equipment industry are gradually becoming prominent

China’s air separation market has shown great potential, giving air separation equipment and industrial gases enough room for development. Compared to before 2000, China’s air separation industry can now compete with the world’s air separation giants, although technically There is still a gap, but China’s air separation industry has already gained a clear competitive advantage. The price of products of the same quality is 30% lower, mainly because China’s labor and raw materials are much cheaper than in the international market.

There are mainly five famous air separation companies in the world: Air Liquide Group, Linde Group, Air Power (Group) Co., Ltd., Messer Group, Praxair (hereinafter referred to as Air Liquide, Linde) , American Air, Messer, Praxair). For a long time, they have steadily occupied 70% of the air separation share of the world market. Especially Air Liquide is very influential in the European and Asian markets.

When developing the air separation industry, China basically copied the development models of these foreign air separation giants. Therefore, now China also has its own advantageous air separation companies, Hangyang, Kaikong, and Sichuan, which are known as China’s three major air separation companies. The leading air separation companies not only occupy more than 50% of China's air separation market, but also have a strong advantage in exports.

  2. China's industrial gas market demand is vast, and the air separation equipment industry needs to change its development model

Looking back at the development of the world air separation market, all major air separation companies initially relied on the sale of air separation equipment to make profits, that is, simply selling cows. Later, they discovered that industrial gas, namely milk, is a bigger market, and this market will never Saturation, thus forming an industrial chain of both short-selling equipment and gas. This model is dubbed by the industry: Leading cows to sell milk. Take China's leading air separation company Hangyang as an example. It started off by selling short-distance separation equipment. Later, it reached an agreement with many steel mills to establish a gas company under the steel mill, and then began to sell industrial gases, forming a complete industry. chain. This development model is conducive to the expansion of the scale of enterprises, and compared to the air separation equipment market, the market prospects of industrial gases are broader. Although industrial gases must rely on air separation equipment, the demand for equipment is limited after all, while the demand for gas is unlimited. Therefore, in such competition, companies with "cows and milk" have an advantage. Therefore, Hangyang, Kaikong, and Chuankong, which have a complete industrial chain, have rapidly risen in a short period of time and have become the leading companies in the Chinese market.

   For investors who want to join the industry, a complete industrial chain requires huge investment, which cannot be easily realized. As a result, the Chinese market has seen unusually active small-scale companies in the industrial gas field. In the huge market, this small-scale operation has begun to show its drawbacks. China's air separation industry is bound to break the current one-to-one model, realize centralized gas supply, and enhance the competitive advantage of enterprises. Moreover, it is possible to imitate the advanced foreign models and lay long pipelines, even in remote places, the pipeline can be supplied with gas, which not only saves costs, but also facilitates development.

The development of large-scale air separation equipment must be "customer-centered", and personalized air separation equipment can be developed, such as "process personalization", combined with user process requirements to design the most suitable air separation process; another example is "safety personalization" , According to the safety requirements of different industries, different users, and different environments on air separation plants, we design large air separation equipment that is safe and reliable, long-term continuous operation, guaranteed product quality, energy saving and emission reduction. At the same time, promote the development of the "industrial gas equipment industry chain", so that air separation equipment, liquefied gas equipment, pressure swing adsorption gas production equipment, hydrogen production equipment, exhaust gas recycling equipment, special gas purification equipment, etc., form a "supporting dragon". In addition, actively developing coal-bed methane liquefaction equipment is also a "potential stock" in the gas equipment manufacturing industry.

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