CONVERTER FOR HIGH PRESSURE SYNTHESIS

摘要

A converter for high-pressure synthesis of ammonia or methanol having an upright outer pressure shell consisting of three superimposed spherical segments and two interposed annular connectors, a thin-walled conforming liner in the shell, an upright conduit axially centered in the shell and extending from a grating in the lowermost segment close to a manhole atop the uppermost segment and barely big enough for insertion of the conduit therethrough. A body of particulate catalyst material fills the annular space between the liner and the conduit from the grating almost to the top end of the conduit. A shell-and-tube heat exchanger is arranged in the conduit for preheating a portion of the gaseous reactants by means of the hot reaction gases. The remainder of the reactants is injected into the catalyst through perforated radial pipes extending from each connector toward the central conduit.