Explosion isolation device and method for disposing dust
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United States of America Patent
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Mar 19, 2019
Grant Date -
Jul 6, 2017
app pub date -
Jan 4, 2016
filing date -
Jan 4, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An explosion isolation device for collecting dust discharged from a hopper into a dust collection drum that eliminates an airlock requirement to isolate the negative pressured dust collector from receiving air via a bottom aperture in the lower portion of the hopper, thereby preventing an explosion in the dust collector that exceeds the pressure rating of the device and dust collection drum. The explosion isolation device includes a spool member detachably secured to a drum cover having an aperture configured and dimensioned substantially similar to an aperture through the spool member. The drum cover is detachably secured to the dust collection drum via a drum cover clamp, which is secured to the spool member or alternatively to the drum cover such that the clamp is suspended beneath the drum cover when the dust collection drum is full and replaced by an empty drum.
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