Combustion chamber for solid fuels

Furnaces – Including noncombustible fluid supply means – Hollow grate

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Details

110299, F23N 300

Patent

active

045371415

ABSTRACT:
A series of primary-air orifices (4) extend into the combustion chamber surrounded by a housing (1). A sloping bottom (6) and a grate (12), likewise inclined at an angle (.alpha.), are located underneath. The grate consists of a row of parallel pipes (15a to 15c) which are arranged at a distance from one another and which are provided over their entire length with air outflow orifices (16a, 16b). A covering slide (13) sliding in grooves (17) on the grate makes it possible to cover to a greater or lesser extent both the gaps between the grate pipes (15a to 15c) and, if appropriate, some of the air outflow orifices provided in the grate pipes. The covering slide (13) can be actuated by hand or by means of a motor via a rack (20) connected rigidly to it and via a pinion (19). The primary-air orifices (4) are supplied with compressed air via a distributor (14) which can be regulated via a regulating slide (20) connected to the covering slide (13); in this way, the supply of primary air can be controlled as a function of the particular quantity of secondary air.

REFERENCES:
patent: 949402 (1910-02-01), Oliphant
patent: 1218594 (1917-03-01), Carrick
patent: 1523137 (1925-01-01), Palmer

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