Natural ventilation is the use of hot wind or wind pressure caused by the air inside and outside the hospital building density difference caused by the promotion of ventilation air flow and carried out. World Health Organization published in 2009, "medical infection control natural ventilation 'Guide, describes the relationship between natural ventilation and hospital infection control, describes the layout of hospitals, clinics and places adjacent areas of architectural design, in order to provide effective natural control of infection ventilation. Natural ventilation requires special engineering design and facility configuration corresponding openings including windows, doors, solar chimneys, wind towers, thin air circulation device, rather than simply in the form of windows, door ventilation; natural ventilation is usually subject to climatic conditions, architectural design and human factors. Yick Tak preferred purification operating room decontamination Ltd. Shandong, mostly traditional operating room operating room brick structure purification plant, does not meet the cleanliness requirements, plus the embedded instrument when the wall when, but also produce a lot of dust. With the application of clean technologies in the operating room, pre-theater emerged. Prefabricated steel structure, wall smooth surface not produce dust, easy to breed bacteria, and can withstand a variety of cleaning agents and easy to clean. While not variable type and split the operating room decontamination, strong and durable. Various pipelines can be buried in the wall back, beautiful and practical. Prefabricated structures can be built out of the operating room and octagonal arc operating room. Advantages octagonal theater is that each interior angle greater than 90 degrees, enabling air to penetrate into every corner, to achieve better purification effect, can also be the most effective to prevent dust corner. Reflective surface octagonal increased light scattering, so that even in sunlight. Each round face operating room ceiling and wall structure between the arc natural transition, similar to the shape of yurts, this structure became popular in recent years, the structure of the operating room purification, complete pre-production needs of each component in the factory, and then in the splice site for installation. Because the pre-manufactured modular operating room, saving on-site installation time, quick and economical, many equipment maintenance can run outside the operating room, maintenance simple and easy. Of course, a lot more use is made on site in accordance with the actual situation of steel structures, and effective changes in the actual preparation and increased interior. Medical operating room purification _ Shandong Ecota purification (certified) _ Chongqing provided by operating room purification decontamination Ltd. Shandong Yick Tak. Shandong Ecota decontamination Ltd. (www.shandongyide.cn) is a leader in Jinan, Shandong Province, construction, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Shandong Ecota purification leadership with the staff warmly welcome all inquiries negotiations to create Shandong Ecota purify a better future.