Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1995-04-26
1997-01-07
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422170, 422177, 42218604, 4221861, 422213, 422216, 55317, 95 58, 95 61, 95 62, 96 27, 239690, 2396901, B01D 5000, B01J 1908
Patent
active
055914128
ABSTRACT:
An electrostatic gun for electrostatically charging and injecting sorbent particles into a flue gas stream to contact, and electrostatically charge, pollution particles in that flue gas stream. The electrostatic gun is for inclusion as a component of an apparatus for the remediation of pollution particles from a flue gas stream whereafter the clean gas flow is vented to atmosphere. The electrostatic gun receives laminar flow of a selected sorbent material and charges, either positively or negatively, the surface of each sorbent particle in that flow. To provide electrostatic charging to the individual particles, the flow is directed through a straight barrel of a housing of the electrostatic gun to pass alongside a charging wand that is centered axially in the straight barrel. The charging wand is connected to receive a voltage from a high voltage power supply to produce a corona discharge wherethrough the sorbent materials pass to electrostatically charge each sorbent particle. The invention includes a corona enhancement arrangement in the form of a grounding ring or opposing grounding plates arranged in the barrel and spaced apart from the charging wand, that carry a charge that is opposite to the charge on the charging wand enhance the generation of the corona discharge around the charging wand, greatly increasing the sorbent particle charging efficiency to where essentially all the sorbent particles that pass through the gun will receive a surface charge.
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Jones James T.
Kersey Larry M.
Steinke Richard A.
Alanco Environmental Resources Corp.
Russell M. Reid
Tran Hien
Warden Robert J.
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