Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Ammonia synthesizer
Patent
1983-09-08
1986-06-10
Lacey, David L.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Ammonia synthesizer
422190, 422192, 422195, 422201, 422216, 422218, 422220, 423359, B01J 802, F28D 700
Patent
active
045942277
ABSTRACT:
An apparatus for carrying out a catalytic chemical reaction in the presence of a granular catalyst under conditions such that both the reactants and the reaction product are gaseous at the temperature and pressure of the reaction. According to the present invention, a vertically extending, annular, intercylinder space, defined between a cylindrical outer catalyst retainer and a cylinder inner catalyst retainer, is divided by radially extending vertical partition walls into a plurality of chambers. Heat-exchanging tubes are disposed vertically in at least one of the chambers. A granular catalyst is packed in at least two of said chambers to form at least two reaction chambers. A feed gas is caused to flow successively and in radial directions through these reaction chambers. Since the invention reactor achieves an improved linear gas flow velocity and a greater overall heat-transfer coefficient, the reactor of the invention requires fewer heat-exchanging tubes and can thus be made smaller. The optimum temperature distribution for the reaction can be attained in each reaction chamber.
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patent: 4421723 (1983-12-01), Farnham
Ohsaki Kozo
Watanabe Hiroshi
Zanma Jun
Johnson William R.
Lacey David L.
Toyo Engineering Corporation
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