Air purification device and do not have negative pressure water supply equipment

The utility model provides an air purification device and no negative pressure water supply equipment relate to municipal water supply's technical field, including the casing, the gas outlet of casing communicates with no negative pressure water supply equipment's negative -pressure suppressor's air inlet, the air inlet and the atmosphere intercommunication of casing, along the circulation orientation of gas, set gradually the level filtering device that is used for detaching large particulate pollutant, the tertiary filter equipment who is used for detaching medium and small particulate pollution's second grade filter equipment and passes through acid -base neutralization reaction deaerate harmful gas in the casing, the air pollution of having alleviated existence among the prior art causes the secondary pollution's of water technical problem. 本实用新型提供了种空气净化装置和无负压供水设备，涉及市政供水的技术领域，包括壳体，壳体的出气口与无负压供水设备的负压抑制器的进气口连通；壳体的进气口与大气连通；沿着气体的流通方向，壳体内依次设置有用于除去大颗粒污染物的级过滤装置、用于除去中小颗粒污染物的二级过滤装置和通过酸碱中和反应除去空气有害气体的三级过滤装置；缓解了现有技术中存