FIELD: machine building.
SUBSTANCE: invention relates to a catalytic reactor. Vertical chemical reactor includes a tubular heat exchanger (6) immersed into a catalytic layer and containing a group of bundles (6.1, 6.2) of straight tubes with corresponding pipe plates, intended for supply (9.1, 9.2) and collection (10.1, 10.2) of heat exchange fluid medium, at that, tubular bundles and corresponding tube boards are stepped shifted in vertical direction, so as to provide access to annular space. Tubes are shaped to sectors of circle or sectors of ring and each of sectors extends over entire radial extent of catalytic layer.
EFFECT: invention simplifies access to annular space and simplifies welding of pipes with boards.
7 cl, 3 dwg
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