With the clinical application of duct air purifiers offer a variety of new diagnosis and treatment of medical instruments and new drugs, so that nosocomial infections growing, not only resulted in patient days lengthen and increase spending in the economy, but also a direct threat to the patient's life and health of the pipeline air purifier supply, affecting the quality of medical care, it was reported that the United States because of hospital expenses air infection $ 10 billion a year in the country for about a quarter of hospital deaths are the direct and indirect causes of death and hospital air infection. Our human healthcare environment very large flow-duct air purifier, which carry the virus population is much higher than other public place, the traditional spray disinfectant, ozone sterilization and other methods can not fully meet the needs of the new era of health care Health institutions need to be able to efficiently kill viruses Wei a disinfection purification equipment to ensure the health and safety of health care, and the need to enhance the air quality within the healthcare environment for health care workers to provide a safe and healthy environment clean. Wei, a return air air purification systems Profile: ◆ broad-spectrum bactericidal, effectively kill harmful microbes, bacteria, viruses ◆ decomposition of volatile organic compounds: benzene, formaldehyde, alcohol, TVOC and other chemical organics; ◆ eliminate odor: it can effectively be eliminated by the body breathing, sweat, urine, body mildew, rot and other chemical reactions odors; the elimination of waste, sewage pumping stations, chemical plant odors. Wei-benefit central air-purifying agent 1. sterilization mildew can safely and quickly, reducing indoor air dust, eliminate musty, eliminate indoor air quality problems resulting from a variety of discomfort and harm to the human body, improve people's working efficiency and quality of life. 2. it can effectively increase ventilation capacity, improve heat transfer efficiency energy saving systems. 3. maintenance of the air conditioning system can effectively prolong the service life of air conditioning, reducing air-conditioning system operating costs. 4. Clear the ventilation duct of combustible dust, eliminate safety hazards 1. The five-star hotel, for example, if a central air conditioning needs cleaning more than two hundred thousand yuan. Under the Ministry of Health, should do a two-year health evaluation, evaluation unqualified, must be cleaned 2. Reduce hotel engineering department and other departments of the burden of ducted air purifier wholesale, specifically to reduce manpower in the hotel central air conditioning clean investment, control cost of sales 3. reduce the deposition of rooms and public areas in the breeding of germs and dust, to hotel guests and staff to bring a comfortable environment, but also reduce the workload of room attendants