| 摘要 |
A bladed reactor for the pyrolysis of hydrocarbons comprises a rotor with working blades (3) that form an axial bladed cascade, a fixed toroidal collar (10) that adjoins the ends of said blades, and a housing (5) that surrounds the collar and the periphery of the rotor in such a manner that a passage with an annular meridional section is formed. One or more barriers are mounted in the passage, an inlet orifice (18) being arranged after each barrier and an outlet orifice (19) being arranged in front of each barrier. Nozzle blades (20) forming a nozzle cascade are mounted on the inlet side of the rotor cascade, and diffuser blades (21) forming a diffuser cascade are mounted on the outlet side of the rotor cascade. There is a space (22) without blades between the outlet of the diffuser cascade and the inlet of the nozzle cascade. The group of nozzle blades arranged directly after each barrier can be separated off from the remaining nozzle blades by a diaphragm such that a channel is formed connecting the corresponding inlet orifice to said group of blades, which makes it easier to start up the reactor. The geometrical parameters of the nozzle and diffuser cascades can change in a circular direction in order to provide an identical pressure at the inlet of the rotor cascade over the entire extent of said cascade and an identical pressure at the outlet of the rotor cascade over the entire extent of said cascade, which prevents radial leakages through gaps between the rotor and the housing. |
