| 摘要 |
<p>Combustion chamber for a boiler which burns pulverised coal. To avoid deposits of cinders in the boiler, the combustion chamber is formed by two walls which are cylindrical and coaxial and have a vertical axis 16, 22, the said walls comprising vertical tubes, the ends of which are connected to annular collectors 10, 20, 24, 26 connected to the water circuit of the boiler, and comprises a collection funnel for cinders 28 connected to the base of the outer wall, the bottom of the inner wall 22 being spaced from the wall of the said funnel to allow the passage of the fumes from the central part of the chamber into its peripheral part, a burner 38 mounted on the upper part of the chamber, in its central part, and an outlet opening for the fumes provided in the said outer wall, in its upper part, and connected to the boiler 10 by a fume conduit 14. <IMAGE></p> |
