| 摘要 |
The invention relates to a bag filter device (12), which device enables collection and draining of particles of liquid from a gas, normally air, flowing through the bag filter (12). Such a bag filter (12) is normally used to trap solid particles from a gas flow, but where particles of liquid, in which there are for example salts or bacteria, are also trapped and possibly permeate the bag filter (12) and drip out on the downstream side thereof. Then the liquid may be carried further in the gas flow and have disadvantageous effect on equipment and surroundings. According to the invention such drawbacks can be avoided or reduced in that the filter material of a lower portion (18) and a bottom portion (19) in the continuation of the lower portion (18) of the bag filter (12) is formed in its entirety or in an outer filter layer (20) by a liquid-tight material. Possibly, the bottom portion (19) is provided with a liquid outlet (39), so that the liquid separated can collect and be drained from the bag filter (12).
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