Catalytic reactor having bed bypass
First Claim
Patent Images
1. A reactor for reacting a two phase, gas and liquid mixture in a fixed bed of solids, comprising:
- a vessel;
means to introduce both liquid and gas into said vessel;
means to remove both liquid and gas from said vessel;
at least one main bed disposed in said vessel;
andat least one auxiliary bed disposed above said main bed having separate liquid and gas bypasses, said liquid and gas bypasses comprising relatively different lengths of hollow, invariably open tubing extending through said auxiliary bed, said gas bypass tubing projecting to a greater height above said auxiliary bed than said liquid bypass tubing in order to provide a low pressure drop bypass for both said liquid and gas to said main bed, when said auxiliary bed becomes fouled.
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Abstract
The invention is for a two phase gas and liquid mixture reacting in an improved fixed bed reactor having at least one auxiliary bed disposed above the main bed. The auxiliary beds each have separate liquid and gas bypasses comprising hollow tubing of relatively different lengths extending through the auxiliary bed. The gas bypass tubing projects to a greater height above the auxiliary bed than the liquid bypass tubing. This tubing bypass arrangement allows for a low pressure drop bypass of the auxiliary bed to the main bed by the liquid and gas when the auxiliary bed becomes fouled.
25 Citations
13 Claims
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1. A reactor for reacting a two phase, gas and liquid mixture in a fixed bed of solids, comprising:
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a vessel; means to introduce both liquid and gas into said vessel; means to remove both liquid and gas from said vessel; at least one main bed disposed in said vessel; and at least one auxiliary bed disposed above said main bed having separate liquid and gas bypasses, said liquid and gas bypasses comprising relatively different lengths of hollow, invariably open tubing extending through said auxiliary bed, said gas bypass tubing projecting to a greater height above said auxiliary bed than said liquid bypass tubing in order to provide a low pressure drop bypass for both said liquid and gas to said main bed, when said auxiliary bed becomes fouled. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A packed absorption tower, comprising:
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a vessel; means to introduce both liquid and gas into said vessel; at least one main bed of solids disposed in said vessel; and at least one auxiliary bed of solids disposed above said main bed having separate liquid and gas bypasses, said liquid and gas bypasses comprising relatively different lengths of hollow, invariably open tubing extending through said auxiliary bed, said gas bypass tubing projecting to a greater height above said auxiliary bed than said liquid bypass tubing in order to provide a low pressure drop bypass for both said liquid and gas to said main bed, when said auxiliary bed becomes fouled. - View Dependent Claims (11, 12, 13)
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Specification