SU27900A1 - Solid Fuel Burner - Google Patents

Description

The invention relates to furnaces for burning solid fuel with a chain grille and a sloping movable grill, not reaching either the chain grille or the wall of the combustion chamber.

, In the proposed furnace, the upper web of the chain grating articulated with the drive moves towards the front of the FOOT, and in the fixed grid there is a cavity communicating with the outside air and c; Cut to the combustion zone.

In the schematic drawing of FIG. Figure 1 shows a vertical longitudinal section of the CUTS for burning solid fuel; FIG. 2 is a cross-sectional view along an eye of FIG. one; FIG. in FIG. one; FIG. 4-horizontal section on if flg. I; FIG. 5-vertical longitudinal section of the furnace with a supply of additional airglass ONLY in one chamber.

Chamber L (Fig. 1) maintains combustion of the fuel both due to dust coming through the (channel) and lump fuel supplied by the articulated chain grate P as the upper working blade moves to the front of the PUT, t . from camera to camera A.

Dust is supplied to chamber B through channel 3, and larger pieces of fuel are fed through channels 2, the latter, the pads along windows O, to the inclined fixed grating C separating both chambers A to B are penetrated in the perpendicular direction by a stream of very hot gases escaping from chamber L to chamber B through O.Rkna. Small particles of fuel accompanying large particles entering through channel 2, have time to burn in chamber B in a suspended state just like those small particles (dust, which , getting through channel 7, burned into cameras e A. Larger particles of fuel that have penetrated chamber B through channel 2 must have dried up considerably due to the gas flow above the gas stream. The fuel thus fallen on the inclined fixed grating C moves along it under the action of

It is determined by the corresponding angle of inclination of the lattice and the taking of the underlying fuel through the opening. A chain grate from chamber B to chamber. By sliding along grille C, the fuel passes through itself additional air, EXIT through kA; the fuel from the communicated -: outside air K to the floor of the grating, dries and partially burns. The velocity of the gas flow through the fuel particles, as well as the speed of movement of the fuel particles themselves leaving the fuel feed channels, is chosen

, to ensure the absence of ash and dust falling out on the intermediate inclined lattice C of larger unburned particles. ; /.

.. Down the inclined slashes C pieces {of the fuel fall through the opening. The grate P is a continuous layer, the initial thickness of which is determined by the position / bottom of the arches in the grid C. Moving forward to the front, the chain sieve 1: advances the trapped on it pieces of fuel sufficiently prepared for direct combustion. The air, better than hot, sectionally supplied under the grille, ensures complete burning of the fuel. The remaining bars and ash pass under the slag plug and are rolled over an e-bunker.

In order to provide a chemically complete combustion, the upper vault (the ceiling of the firebox) should be {m from within a long). the start-up of air into the fire chamber, through the appropriate channels, in the walls of the firebox and in between the arches. By adjusting the operation of the furnace when fuel is supplied with a different moisture, the supply of fuel to the furnace through channels 7, 2 and 5 changes, the speed of the grate P and the air supply to the individual sections of the grid changes; in addition, more or less air is introduced through the blade of the grille. Opening D must be filled with fuel when the furnace is operating. The furnace is kindled in this way: firewood, chips, lump peat or some other lump fuel is manually fed to the chain grid through opening E, it is ignited with something, and the combustion grid is advanced into the furnace. When chamber A is warm enough, it is done as described above.

To observe the operation of the furnace, to clean the air supply holes in the fixed grate and to occasionally hide the fuel filling chamber 11 B from the opening D in the outer walls of the furnace, there are corresponding windows and doors. FIG. Figures 1 and 5 show a series of openings, which are from the passageway of the boiler to the chamber I and the employees, in addition, for the supply of air. The vault I, which serves to deflect the gas stream downwards and precipitate ash, can be replaced by a strong stream of air directed downward from the corresponding holes in the upper vault.

In the furnace shown in FIG. 5, all fuel supply channels are replaced by a single channel 2, through which in this case all dissimilar fuel is fed, without previously separated.

This separation takes place in the furnace itself, where the smaller and lighter particles succeed in burning on the air, in a suspended state; coarser particles fall onto grid C, and additional air is also supplied to one chamber of the invention.

Claims (2)

1, A solid fuel burning furnace with a tseg lattice i, an inclined kepodvillage lattice that does not reach the chain grill and the wall of the combustion chamber, characterized in that the chain grille c (Llenen with a drive telling the movement of its upper blade towards the front of the furnace. 2. The furnace according to claim 1, which is different (in that the grate is stationary, connected with the outside air, which serves as a supply of air to the burning zone. N to the author's certificate of P. P. Mochalovy and S. P. Rabotkina NO 27900 N / Fig.Z. Y ( .five. i