Recently, the editor of this website interviewed the Secretary-General of the New Air Purification Center of the Indoor Environment Purification and Control Committee of the China Interior Decoration Association on the latest development of the new air purification products, Liu Chunxing, the general manager of Beijing Gerun Ai Technology Co., Ltd. Liu Chunxing, General Manager of Beijing Gerun Ai Technology Co., Ltd. [The bottleneck in the development of air purification] When it comes to air purification, the most natural thing people think of is smog. Since the national average smog days in 2013 set a record high in recent years, smog has become a hot spot of concern for the whole society in China. Under the same sky, no one can escape from the air pollution. The Chinese government is determined to control pollution. It is proposed that the annual average concentration of PM2.5 in Beijing should be controlled at 60μg/m3 by 2017 before the introduction of the “Atmosphere Tenâ€. This goal has been basically achieved. The environmental protection department announced that it will strive to reduce the annual average of PM2.5 in all cities nationwide to 35μg/m3 by 2030. But it is obvious that the governance of the air is not an overnight success. With reference to decades of history of air pollution in Europe and the United States, this will be a long historical process. As a result, the public began to pay attention to the quality of indoor air. After all, people spend most of their time indoors. It is also in the strong market demand and obvious interest temptation, the household air purification products are hot, and many enterprises are also rushing. It is a good thing that more companies are involved in the air purification industry. Unfortunately, some manufacturers are too eager for quick success and do not recognize the seriousness and self-contained characteristics of air pollution in China. Many products have not reached the level of purification they have promoted. This market has become a mixed bag of good and bad. Taking the monitoring results of the quality and safety risks of air purifiers notified by the Shanghai Quality Supervision Bureau in 2014 as an example, the measured values ​​of the 9 batches of samples did not reach their nominal applicable area. The China Consumers Association released the "25 Purifier Product Comparison Test Report" also showed that only one particle purification performance, the highest and lowest difference of up to 5 times. To sum up, it is still not serious enough and not professional enough for some manufacturers to compare the air purification. Air pollution in North China, East China and Southwest China is indeed very serious. This situation constitutes indoor air pollution with Chinese characteristics - indoor air pollution comes not only from the volatilization of polluting gases caused by interior decoration, but also from a large amount of outdoor pollution. This is different from the use of air purifiers by people in Europe, America and Japan. Because of the high air mobility, it is difficult to maintain indoor cleanliness when there is external pollution. If we close the room, it can be purified with the traditional air purifier, but since the main function of human breathing is to breathe fresh air, people in the confined space will cause carbon dioxide to exceed the standard. Since then, there are two problems to be solved in front of the air purification industry: effective purification and replenishment of fresh air. It is only by ordinary local circulation purification that it can not really solve the problem of indoor air quality. [Research and development results of fresh air purification] Faced with this problem, in the practice development of the past few years, a new concept has been proposed - fresh air purification. The word "new wind" is no stranger to some people. Simply speaking, it refers to the introduction of outdoor air into the room after coarse filtration. The purpose is to ensure indoor air circulation and sufficient oxygen. However, if it is introduced in the case of heavy air pollution, it will be counterproductive. Because the general fresh air system can not filter PM2.5, and the cost is high, it is not suitable for general income families to buy. If there is a general fresh air system that can be added to a high-grade filter material, the air is filtered and the fresh air system is miniaturized before the introduction of fresh air, then the problem will be solved. GRAIR held the “Campus Clean Air Action†launch ceremony at the National Convention Center [What is the difference between GRAIR fresh air purification products?] Editor of this website: You said that the original intention of the company was to find the ideal purifier. Why can't the traditional purifiers and even the tens of thousands of purifiers in foreign countries stop the smog? What are the differences between the new wind ultra-purification products? Liu Chunxing (hereinafter referred to as "Liu"): This needs to start from the design and performance of the air purifier itself. The traditional air purifier summed up three of the most deadly weaknesses. First, the purifier is used in a closed environment. The biggest problem is that the carbon dioxide concentration will exceed the standard. In foreign countries, the building itself is equipped with a fresh air system. By replacing the clean air outside and playing the role of basic purification, foreign purifiers are only used as auxiliary purification equipment, and will not bring the above problems, but domestic The current situation is that most of our buildings do not have a fresh air system. Secondly, there are gaps in the doors and windows of the building. It is impossible to strictly seal it. The smog-free purifier can't block the dirty air outside and continuously penetrate into the room through the gap between the door and window. It can't cut off the pollution source, and the purification will not be done thoroughly. Third, the traditional purifier is academically called “self-cleaning deviceâ€, which can only partially purify the surrounding air, and the purification effect on other places away from the purifier in the house will be attenuated. In response to the above shortcomings of the purifier, we have proposed our own solution. First of all, we are neither an ordinary purifier nor an ordinary new fan, but a combination of fresh air and purifier, which solves the problem of air cleanliness and freshness, which is to remove pm2.5. Have fresh air. Secondly, for the problem of not being able to cut off the pollution source, we use internal and external pressure difference to solve. To give a simple example, when a balloon is blown up, if a hole is made in the balloon, the air inside must be gone, and the outside air cannot enter. The principle of our machine is also the same. Through the difference of air pressure between indoor and outdoor, the dirty air outside can't penetrate through the doors and windows, and the source of pollution is cut off. Thirdly, in view of the problem of local self-circulation of the conventional purifier, we solved the problem of the overall circulation by the circulating air return system across the room. The traditional purifier is not ideal because it does not circulate the indoor air. It always repeats the local air around the purifier. This part of the air is the cleanest and most cleaned air in the room, so it is always doing useless work. . The technical principle we designed is to pump out the dirtiest air in the room. The air in the room is the dirtiest? The farther away the purifier is, the dirtier the air is. How to get the dirty air back? Our purification opportunity is installed in the corner of a room, and a return air outlet is connected to the next room, and the indoor air is circulated and purified from the corner of the next room. From the path, we are always purifying the most distal and relatively dirty air, and it drives the flow of the entire indoor air to achieve air purification in the entire room. Therefore, in the case of the same amount of air, the performance of one purifier is 3 to 4 times that of other purifiers. Based on the above, we have put forward a comprehensive solution for the indoor air purification of the interior of the purifier, aiming at China's construction conditions and pollution climatic conditions, and combining the advantages of the fresh air system and the purifier into one. The airflow loops to work. Therefore, it can be achieved in terms of effect. First, the indoors will not cause the carbon dioxide concentration to exceed the standard; secondly, the outdoor pollution to the indoors can be effectively blocked; third, the indoor air can be quickly circulated and purified. With the above three points, plus our safe physical filtration using H14 grade HEPA filter, the purification removal rate of PM2.5 is up to 99.9995% or more, for a more subtle level of PM0.3 (most The purification and removal rate of bacteria and viruses belonging to this particle size is also above 99.7%. Our machines can really run indoors to reach 35 (micrograms per cubic meter) or even below 10, and keep them. It will not cause the concentration of carbon dioxide to exceed the standard, so that the user wants to scream. Most manufacturers now dare not promise the purification effect of the whole space, but we dare, we will give a third-party 霾 table, the user can freely measure the value of PM2.5 in any place in the house, let the data Speak and let the customer feel at ease. [Greun love fresh air ultra-purifier is afraid of imitating?] Editor of this website: Gerun Aixin ultra-purification product system design is more scientific, but competitors are also easy to imitate, how to solve this problem? Liu: Gerun love has been engaged in the research, development, design and construction of professional-grade medical-grade purification systems for more than 15 years. It has obtained a number of invention patents and utility model patents in the field of fresh air purification. The technology currently applied to the civil fresh air purifier by Gerun Love includes both indoor air circulation organization technology and product purification technology. In addition to systematically designing airflow organization, there are many problems in the process of productization without mastering the core technology. In the eyes of professionals, there are still quite technical thresholds. What is the real difficulty of purifiers? First, the machine needs a large amount of air. When the air volume is large, the pressure of the wind is not large. The flow and pressure are contradictory. When the air volume is large and the pressure is required to be high, the capacity of the fan is required to be high, and the noise is large, and the energy consumption of the fan is also large. Therefore, the four indicators of wind pressure, air volume, wind noise and energy consumption are contradictory. On the product side, it is a good product to be able to truly solve the relationship between the four. This is also why the general purifier does not use high-grade HEPA filter, although the H14 filter can not only purify PM2.5, but also the PM0.3 removal rate is as high as 99.7%, but the above four contradictions become general purifiers. Deteriorating. Our products solve these contradictions well and insist on the application of H14 filter to ensure the purification efficiency of the pharmaceutical grade, while the energy consumption and noise are not high. This aspect not only has core patents, but also condenses our technology knowhow for more than ten years, so we are not worried about other companies imitating. [The ultimate product of air purification: Gerun love central greening system that can achieve air customization] Edit this website: Which is the civilian product that can represent Gerun's technology level? Liu: It should be said that we can realize the air customization of the Gerun love central greening system. Gerun Ai has achieved a huge breakthrough in the personalization of P3 laboratory technology. According to the technical requirements of P3 laboratory, we have successfully realized the air in the entire villa on our villa-level central greening system products. The effective adjustment and control of temperature, humidity, cleanliness, freshness, airflow organization and airflow uniformity have successfully created a “six-degree space†in line with China's actual situation. The combination of remote return air, filter sterilization, temperature regulation and humidity control, sterilization, etc., so that intelligent centralized control system can be used to create a high-end customized air environment with constant temperature, humidity, constant oxygen, constant humidity and constant static. . Our new air purification system or single machine used in general public space and home environment also strictly follows the basic principles of harmless purification, fresh air purification, positive pressure purification and high efficiency purification, thus creating a satisfactory purification effect for customers. . [What is the difference between Gerun Aixin Ultra-purifier and the general fresh air system?] Edit this website: What is the difference between the company's system and the brand's fresh air system on the market? Liu: First of all, from the technical principle, we are different from other manufacturers. The general fresh air system is still the main target of ventilation and ventilation. It is a new style. We are a comprehensive product that supplements fresh air and comprehensive purification. The fresh air system and the purifier are not simply tied together to solve the problem. Nowadays, ordinary new fans on the market mainly solve the pollution problem of excessive oxygen and carbon dioxide concentration through indoor and outdoor air exchange. However, in the Chinese environment, the fresh air is sent in dirty air, so many customers who install new fans are particularly troubled, and the smog is not open. The opening is to send dirty air to the house, not to open I am so confused. In order to solve this contradiction, many fresh air manufacturers have added a purification section to the fresh air outlet to purify the air. However, in order to avoid the four contradictions of wind pressure, air volume, wind noise and energy consumption, they use low-level HEPA for purification. As a result, the purification removal rate is low, and a large amount of dirty air is continuously sent into the room. Other new wind turbine manufacturers are looking for other purification technology routes, such as electrostatic dust removal technology, ion technology, adsorption technology, and water washing technology. Electrostatic dust removal is carried out by the ultra-high voltage electrostatic field to charge the dust in the air and is adsorbed by the positive electrode plate. The advantage of this technology is that the wind resistance will be relatively small, and basically no consumables are used, so many fresh air manufacturers use it. However, this technology is prone to ozone, and the electrostatic field of nearly 10,000 volts has a safety hazard. It not only ionizes various impurity ions, but also causes discharge due to large particles and fibers. Power failure and broken wires may also blow down the product. Dust and stop working, because there is no obstruction afterwards, the seriousness can be imagined, so this technology has an uncontrollable risk. After a period of use, it will lead to a sharp drop in purification efficiency and extremely difficult maintenance. Electrostatic purification technology is not recommended for civilian use in Europe and America. The American Society of Heating, Refrigerating and Air Conditioning (ASHARAE), German hospital standards have inscriptions on the position of the inscription. Ion purification technology is to release charged ions into the air. After the dust belt is powered on, it will adsorb the clusters, and the small particles will become large particles and slowly settle down. These particles were not purified, but they settled from the space and flew up again as soon as they dusted. The wind resistance of this type of ion technology is also small, but the side effects are not known, especially a large number of positive ions, which are potentially harmful to the human body. In short, the premise of choosing purification technology is that there are no side effects and no safety hazards. Second, the vast majority of current fresh air products are engineering-grade products that require pipelines, so they can only be installed during renovations, which is unrealistic for most homes that have been renovated. Another big advantage of our products is that they can solve the fresh air problem by simply installing them without piping. The third difference is that other fresh air systems only input fresh air, there is no indoor circulation purification function, and our machines can circulate indoor air to purify, and have achieved clean air in any corner of the room, not just the air outlet. The air is cleaner. [How is the cost performance of the GRAIR fresh air purifier?] Edit this website: For purifiers, in addition to the technical principles you just mentioned, the price of filter cartridges and other consumables has become an important indicator for consumers to choose purifiers. How about the cost performance of our products? Liu: First of all, the filter element we use is a medical grade H14 filter element, which can effectively purify PM0.3 grade ultrafine particles and viruses. Even if SARS is another time, it can give users peace of mind. In addition, our filter element is designed to reverse the dust content of China's pollution situation. According to Beijing's average daily pm2.5 value of 120 μg/m3, we can calculate the filter capacity that needs a large amount of dust, so we can do one. Change the filter once a year. Therefore, in general, the filter element is a unit of unit area, and our filter price is still relatively high. In addition, our fresh air purifiers have a much higher purification efficiency than ordinary purifiers and a high energy-saving design, so the energy consumption per unit area is much lower than that of ordinary purifiers. [Greun love GRAIR: in the object, in shape, love in the heart] Editor of this website: Although our technology is “a sword for ten yearsâ€, it is still a new company for consumers. What is the meaning of this brand? Can you introduce the current development of the company? Liu: Gerun Ai Company adheres to the enterprise spirit of being in the material, infiltrating the shape and loving the heart, and is committed to realizing the vision of enterprise development that is known for things, quiet, and benevolent. The implication of the GRAIR brand is that we focus on creating not only the green and healthy air “GREEN AIR†for the vast number of consumers, but also the good air “GREAT AIR†for everyone to breathe comfortably. The prefix of these two English words. It is GR, together they are our brand "GRAIR". For more than ten years, Gerun Love has been pursuing the purification of ultra-clean environment. It has completed three P3 laboratories and dozens of GMP workshops and operating room purification systems, but it is not ordinary because it is not for the civilian market. Known by consumers. With the smog weather in China becoming more and more serious, in 2013 we transformed into the civilian purification market, and civilianized the cutting-edge purification technology for medical products for more than ten years, and launched a series of new air purification products and solutions to creatively solve the problem of air pollution in China. Since it has been difficult to combine oxygen and purification, it has led the development of purification industry in terms of purification efficiency, effectiveness and efficiency. At present, in addition to ordinary household purification, we have also developed a new air purifier and a villa-level central greening system to achieve intelligent air control of constant temperature, constant humidity, constant oxygen, constant clean, and constant static, and achieve private customization of air. In 2013, we began to turn to the research and development of civilized products. We have obtained several national invention patents, more than ten utility model patents, and dozens of design patents. In 2015, Gerun Ai was awarded the title of high-tech enterprise by both Beijing and Haidian District. In the past two years, our main energy has been continuously polished in product innovation and design, quality control, reliability improvement and supply chain optimization. product quality. In terms of production, we have foundry production bases in Shandong, Jiangsu and Zhejiang. In terms of market, we have reached strategic cooperation agreements with Lenovo, Haier Home, and Sina Leju, and we have distribution channels in nearly 20 cities across the country. In the past few years, Gerun Love has been deeply loved by consumers and users, forming a unique word-of-mouth communication effect. Ge Run Ai also won the promotion and awards of Sina.com, Beijing News, Shuimu Tsinghua Monthly, and Blog World Magazine. He was also appointed as the chairman of the China Indoor Air Purification Management Committee. It can be said that he was sought after by the industry. Talking about future development, Liu Chunxing said: "In the future development, the company will continue to focus and focus on one thing: do a good job in products and services, protect the breathing health for more users, and let more consumers enjoy freedom. The ultimate experience of deep breathing." 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