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Change new technologies and materials in the HVAC industry

2019-04-23

Graphene: a new material that changes the future

The development of air conditioning and refrigeration industry is closely related to the development of new materials. For example, phase change materials provide strong support for energy storage technology applications; new filtration and purification materials provide new technical options for air purification; new coatings in building insulation Played an important role. The application of new materials in the field of air conditioning and refrigeration often leads to new breakthroughs in the industry, such as the efficient application of heat pipe heat transfer technology in the field of heat recovery; the application of protective materials in high salt, high humidity and high corrosive environments; the treatment of graphene materials in water quality, Light source cooling, applications in energy storage batteries, etc.


graphene refrigeration material refrigerant


Graphene is a newly discovered two-dimensional structure of nano-carbonaceous materials with excellent electrical, thermal and mechanical properties. There are more than 10 national policies on graphene from 2014 to 2016. Many provinces in China have also begun to pay attention to the development of the graphene industry.

The application of graphene in the field of air conditioning has attracted great attention. At present, graphene electrothermal coatings for heating and graphene floor heating have been developed. The electrothermal conversion rate of graphene floor heating is over 90%, which is 70% higher than that of air conditioners. , about 50% energy saving than traditional plumbing), graphene-based air conditioning filter (combined graphene composite solution with air conditioning filter to achieve super-hydrophobic performance, but also effectively remove dust in the air). In the next few years, it will become the first year of the outbreak of graphene industry in China. The application of graphene in the field of heating has achieved some results, and there is no breakthrough in graphene refrigeration technology, leaving more suspense to the industry.

Magnetic levitation: a secret weapon to achieve super energy saving

Magnetic levitation technology refers to a technique that uses magnetic force to overcome gravity and suspend an object. The core of the magnetic levitation air conditioner is the magnetic levitation compressor. The magnetic levitation compressor replaces the ordinary metal oil bearing with the magnetic suspension bearing, and the bearing is placed in the intelligent magnetic field, so that the compressor can achieve frictionless operation, no lubricating oil, and greatly reduce noise. Coupled with frequency conversion technology, it can achieve 35%-40% energy efficiency savings for air conditioning equipment.


Magnetic levitation


The development of magnetic suspension centrifugal central air conditioners in China began in 2006. Nowadays, the brand camp of magnetic suspension centrifuges in China is expanding day by day. The core components of magnetic suspension refrigeration compressors, which were completely controlled by foreign brands, have been successfully developed in the domestic clock manufacturer Hanzhong Factory. As a high-tech, magnetic suspension refrigeration compressor represents the most advanced compressor technology trend, and it is bringing more imagination to the green operation of data center with its excellent comprehensive performance, especially more significant energy-saving features. space. With the gradual development of the market and the deepening of practical applications, it is expected that after five years, the magnetic levitation refrigeration unit will occupy a market share of 20% to 30%. With the localization of core components, the advancement of magnetic suspension centrifugal units in the Chinese market will accelerate. The domestic high-energy traditional central air-conditioning is facing the elimination and transformation, and the development prospect of magnetic levitation air-conditioning will be broader.

Magnetic levitation

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