| 摘要 |
PCT No. PCT/EP93/02600 Sec. 371 Date Dec. 27, 1994 Sec. 102(e) Date Dec. 27, 1994 PCT Filed Sep. 24, 1993 PCT Pub. No. WO94/08192 PCT Pub. Date Apr. 14, 1994A grate element for a grate surface, e.g. in clinker cooler, comprises a top plate which is shaped in the form of a box having a surface which is plane at one end, whereas at the other end it consists of in cross section downwardly curved slats which, between them, form slots. The grate element further comprises a corrugated bottom plate which is provided with longitudinal rows of slots and projections rising into the slots of the top plate, and gas channels which are defined by the underside of the slats of the top plate and the upper side of the bottom plate, and open at the slots in the two plates. Accordingly, the top plate of the grate element is effectively cooled, the pressure loss through the grate element is appropriately large, the grate element is protected against falling-through of material and maintenance work in connection with the replacement of grate elements is facilitated. |
