| 摘要 |
A tunnel kiln (10) for firing ceramic honeycomb structural body comprising a vestibule region (12), a carbonaceous material release region (14) located downstream of the vestibule region and a sintering region (16) located downstream of the carbonaceous material release region and having a multiplicity of kiln cars (18) adapted to convey materials to be fired through the kiln. A gas distribution system (20) is provided which includes a series of conduits (22, 24, 26, 28, 30) each which operatively communicates with an injection site which operatively communicates with the interior of the release region for introducing a gas into the carbonaceous release region. The injection sites include a combustion burner located site (38), a vestibule located site (32), an undercar located site (34), a rooftop located site (36), and a sidewall located site (40) or combinations thereof.
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