GB613821A - Stoker furnace - Google Patents

Abstract

613,821. Furnaces. DETROIT STOKER CO. June 18, 1945, No. 15484. Convention date, Feb. 16. [Class 51(i)] In a stoker furnace, a transverse water header is arranged adjacent to the fuel feed opening, or each opening, tubes extend upwardly from the header to form a water-cooled furnace lining, and a refractory arch above the opening is suspended from the tubes or is attached to the header. In Fig. 1, the header H<1> is arranged. above the feed opening and the refractory arch comprises blocks L which are hung upon the tubes I by clips L<3> arranged to hook over the tubes and into recesses in the sides of the blocks. Tubes I' extend downwardly to a bottom header K and replace the usual refractory piers between feed openings: The space between the header K and the tuyere apron M is filled with refractory material which may be renewed without disturbing the apron or the header. The apron may be formed as a tuyere. In Fig. 5, the header H<2> has projections H<3> to which the blocks K<2> are attached, and the headers H<2> and K<1> are connected by tubes I<5>. The Specification as open to inspection under Sect. 91 describes also a furnace wherein the header H<1> is considerably above the feed openings and the arch is supported on the outside of tubes descending from the said header to a lower header. This subject-matter does not appear in the Specification as accepted.