| 摘要 |
A material collecting device such as a hopper, shredder, or enclosed conveyor having an entrance opening for deposit of material into the device, an exit opening for removal of material, and a hood on the device connected with duct means for exhaust of dust particles from the material, the hood being provided with a circumferential passage through which air is drawn into the device for entraining such dust particles, and with coils or rings for removing moisture from the air, the coils being connected with a source of hot fluid or refrigerant for drying the material and/or the air within the device, and being Coanda-shaped if desired for extraction of water from a moving air stream.
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