SU34676A1 - Firebox for burning peat breeze or freon peat - Google Patents

Description

Combustion of milled peat is one of the main problems of this time and existing methods of peat burning in their pure form require special preparation before entering the furnace: crushing, screening, etc. To regulate the flow of freztorf to the furnace, with all existing methods of burning, it passes through feeders. These devices, with non-uniformity of milled peat, are the least reliable devices.

The most refractory equipment in the devices that most justified is very complex and requires the installation of a magnetic separator, feeder, crusher, fans, mills, core pipes, cyclone, burner, afterburner grids.

The proposed furnace for burning peat fines and milled peat does not have these elements, and peat, without any preparation, falls directly from the bunker onto the grate, which plays the role of a conveyor belt. Lastly, the fuel is advanced into the combustion chamber, which consists of two parts, separated by a partition, slightly rising above the conveyor and not reaching the top. Nozzles are inserted into the side channels above the conveyor through which air is supplied so that, when blown in, vortex movements are formed (458)

married in the form of a tornado. Such air movement raises small parts of peat, informs them of the turbulent movement and keeps them in suspension. Large pieces of peat and extraneous, heavier impurities remain on the conveyor and, continuing to move, burn out on the way when they are washed with hot air.

The peat, soaring under the influence of hot air streams or gases, causes turbulent movement, is dried just as it takes place in tubular dryers. Having dried out during the upward movement in the first part of the chamber, the peat is set on fire and creates the beginning of a flare. With the passage of peat through the second part of the chamber, the torch process continues to develop. From the second part, the gases enter the combustion chamber under the boiler. When moving to the second part of the chamber, part of the large peat peels are separated and fall onto the grate, where they continue to burn out. Under the action of the nozzles in the second part, an additional tornado can be created by raising large particles of peat in order to burn them 1i. If only two rear nozzles are made to act, then a part of burning peat bogs and a part of hot gases from this part of the chamber can be driven into the first part of the chamber, thereby creating

more intensive drying of peat peat, faster fire and more intense burning. Thus, through the separation of the first and second parts of the combustion chamber, a closed flow is created from part of the flue gases.

Large particles that do not burn out on the way are trapped on the conveyor at the end by a slag gate through which air is blown in, so that these particles can burn out.

In FIG. 1 shows a vertical longitudinal section of a furnace for burning peat fines and milled peat; FIG. 2 is a cross-section of it.

The furnace for burning peat consists of a furnace chamber divided by a partition 5, which does not reach the top, into two parts — compartments 3 and 4, and a chain grate in the form of a conveyor 7 with blind plates; Above the conveyor / side channels 5, 6 with nozzles for supplying air and a slag gate 7 are located.

Peat without preparation enters the funnel of the bunker 2 and from it directly moves the chain grate-conveyor to the first part of the separation 5 of the combustion chamber. Here, from the nozzles of the channels 5, jets of hot air or a mixture of air, with hot gases, are directed at it in such a way that a vortex motion in the form of a tornado is created. The fine particles are billowed, dried on the fly and partially ignited. In the second part of the compartment 4, a more intense torch burning of the suspended peat parts develops. Part of the large particles entrained by the vortex from the first part of the chamber-compartment 3 is separated in the second part-compartment 4 and falls on the conveyor 7;

here they are met by jets of hot air from the nozzles of channels 6, under the action of which they burn.

Under the action of air from the nozzles of only two rear channels 6, part of the gases from compartment 4 is distilled into compartment 5, and thereby creates a closed flow from part of the flue gases circulating through the first and second compartments of the chamber. Gases from compartment 4 fall under the boiler. Large pieces of peat and combustible impurities that have not burnt on the conveyor belt 7 are trapped in the slag valve 7 at the end of the furnace. The latter is made hollow and air is blown into it. Under the influence of this air, the large parts, retained by the slag picker, burn out foreign objects, the slag and part of the fuel that could not burn, are transported out of the furnace by the conveyor and dumped into the ash bunker.

Subject and discoveries.

Claims (2)

1. A furnace for burning peat fines or milled peat using a combustion chamber divided into two parts, and a chain grate, characterized in that the grid 7, for which fuel is supplied directly from the bunker 2, is made deaf and plays the role of a conveyor and the air is supplied to the fuel through the 5kb side channels so as to cause turbulence for the purpose of dragging small particles of fuel upwards and burning them in suspension, and the larger ones on the grill itself. 2. In the furnace of claim 1, the application is to blow. only through channels b in order to transfer part of the combustion products from section 4 to section 5. FIG. FIG. 2