The Birth And Development Of Air Purifier
The air purifier originated in fire protection, 1823, John and Charles Dean invented a new type of smoke protection device, firefighters can avoid smoke attack during the fire. In 1854, a man named Johns Tenhaus has made new progress in the foundation of predecessors invention: through several attempts, he learned that the charcoal filter out harmful and toxic gases from the air to air filter with.
During World War II, the U.S. government began the study of radioactive material, they need to develop a way to filter out all harmful particles, in order to keep the air clean, so that scientists can breathe, so HEPA filter came into being. In twentieth Century 50 and 60s, the HEPA filter was very popular, and it was welcomed by the design and construction personnel.
In 1980s, the focus of air purification has shifted to air purification, such as household air purifiers. In the past the filter in the air removal of odor, toxic chemicals and toxic gas is very good, but can not remove the spores, viruses or bacteria, and a new home and office air purifier, can not only clean air in the toxic gas, but also purify the air, air removal of bacteria, viruses, dust and pollen and fungal spores.
The air purifier has a variety of different design style, has a great effect and a technical change for people to improve indoor air quality. And all these purposes only one: hope to purify the indoor air to improve people's quality of life.