Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1995-07-18
1998-02-10
Kim, Christopher
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422174, 422179, 422180, 422107, 422108, 422109, 60285, 60286, 55282, F01N 310
Patent
active
057165866
ABSTRACT:
An exhaust gas purifier includes a filter for collecting particulates, a heater for firing collected particulates, a blower for feeding air, and a controller for controlling power supplied to the heater and air flow rate of the blower. The air flow rate is varied in a regeneration period for improving the regeneration efficiency and for protecting the filter. In one embodiment, the air flow rate is initially reduced in the burning period and increased after burning in the radial direction at the downstream portion of the filter. The burning propagation speed, the heat generation and the increase of the temperature of the filter are limited by suppressing the air flow rate in the burning period. The particulates remaining in the downstream portion of the filter due to the suppressed air flow rate supplied in the burning period can be burned subsequently by supplying an increased air flow rate after the burning period.
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Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
Kim Christopher
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