| 摘要 |
PURPOSE: A dust collecting apparatus using a filter bag is provided to protect the filter bag from abrasive dust, and to maximize filtering effects of dirty gas efficiently. CONSTITUTION: A dust collecting apparatus using a filter bag comprises a main body(10) having an upper pipe structure and a hopper(20) having a lower conical structure. A lead-in duct(11) is formed on a side of the main body, and the filter bag(30) is installed at an inner side of the main body. An exhaust pipe(12) is formed on the top of the main body. The dust collecting apparatus further includes a diaphragm(40) and a control unit. The diaphragm guides the dirty gas to the bottom of the hopper. The control unit is equipped on the bottom of the diaphragm, and adjusts the inflow amount of the dirty gas. The control unit includes a control plate(50), a handle(52), and a bush(54).
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