| 摘要 |
An air purifier is provided to filter air supplied to an industrial field, thereby supplying clean air to a worker wearing an airline hood always and improving the working efficiency. A main body includes an inner space, an absorption portion(120) with an absorption port(121), and a discharge portion(130) with a discharge port(131). A filter(200) is housed in the inner space of the main body. The filter has a passage(210) therein. A sealing port(220) is disposed at an absorption port side of the passage of the filter such that the passage and the absorption port communicate with each other. A first side of the sealing port is sealingly joined to the passage of the filter, correspondingly to an inner diameter of the passage of the filter. A protrusion element(221) is formed around a second side of the sealing port. The protrusion element is relatively larger than the inner diameter of the passage of the filter. A filter-housing body(300) is housed in the inner space of the main body. The filter-housing body is formed of a transparent material. A flow channel is formed between an outer surface of the filter and the filter-housing body. Air is inputted through the absorption port of the main body, passed through the flow channel of the filter-housing body and the filter, and discharged to the discharge port through the passage of the filter.
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