| 摘要 |
PURPOSE: To remarkably improve the efficiency of the reactor by arranging a wall for forming an airspace with a single piece, a bed forming wall completely separated from the wall above-mentioned and consisting of a module and a wall for entirely independently forming an airspace. CONSTITUTION: An airspace wall is formed with a succession of the outer shell M, single piece PI and cover CI. A bed forming wall PMFL consisting of a module MO is formed completely separately from the wall above-mentioned. The modules MO1 to MO3 delimit respectively catalyst beds C1 to C3 and are placed above the module MO one below. The parts of the catalyst beds C1 to C3 of the modules MO1 to MO3 respectively at the heights 1Hi to 3Hi are brought into contact the airspace forming wall PI. Under such a constitution, although a synthetic gas flows axially at the heights 1Hi to 3Hi, the gas flows radially outward at the heights 1H'i minus 1Hi to 3H'i minus 3 Hi which occupy most of the catalyst bed and is collected in an annular region 30. The gas flows therefrom to the succeeding catalyst bed C2, flows axially at the height 2Hi and flows radially outward at the part 2H'i minus 2Hi. |
