Continuous burning heating appliance designed for solid fuels

Description

[0001] Endurance heating device set up for solid fuels In hitherto known, set up for solid fuels endurance burn Heaters with multiple heat consumption points, such as such. B. are used in cooking stoves, it is very difficult at a Burning point to distribute the amounts of heat generated as required to the various heat consumption points. It has already been suggested that Heat through flame tubes, in which regulating devices were installed, from the fireplace to the various heat consumption points to direct. However, such constructions have the disadvantage that the function of the regulating organs due to contamination by soot and fly ash is affected. If one wanted to avoid disturbances, frequent cleaning of the flame tubes and locking devices was necessary. But this was one time-consuming and unpleasant work. In order to avoid the disadvantages, it has been proposed that several grates in different Heights and to be arranged with separate air supply ducts. This gives you but a plurality of fireplaces with complicated construction and growing operator work, namely because the fuel loading and removal of ash must be made at several points. Dliese drawbacks are avoided by the present invention in that all the grates in a firing shaft for a mainly columnar mass of fuel are mounted so that they all get their fuel from the common fuel column, and that separate combustion zones at each grate in the fuel column with independent heat output to that or those concerned Heat consumption points are maintained. In the drawing, two embodiments of the subject invention are shown, namely Fig. i shows a vertical section through the Cooking stove according to the first exemplary embodiment, FIG. 2 shows a vertical section through the cooking stove according to FIG. i, perpendicular to that in Fig. i shown section (on a smaller i scale), Fig. 3 is a vertical section through a cooker according to the second embodiment. The stove according to the embodiment of FIGS. i and 2 is equipped with a firing shaft or firing chamber i, above which the grate 2 and below which the grate 3 is arranged. Under the grate 3 is the ash fall space 4. The grate 2 extends does not extend over the entire combustion chamber, but there is an intermediate space 5 (Fig. 2) between the grate 2 and the adjacent wall of the Firing room@es. The cooking range shown is equipped with a cooking plate 6 in which a fuel charging hole 7 (Fig. i) is arranged and can be locked by means of the cover 8. Furthermore, a lateral opening 9 (Fig. i) is provided for the fuel feed; this one is through the door io (Fig. i) lockable. With a grid 12 is called, which is arranged in front of the Rauchabzugsrohr 13, through which the heating gases from the Feu.erungsraum led away and under the hotplate 14 and from there through a non-illustrated smoke exhaust pipe 15 to your from the drawing chimney that is not visible. 16 designates a baking chamber which is surrounded in a known manner by the circulation channel 17 (FIG. 121). is. i& designates an air inlet opening provided below the grate 2, which is under the influence of the slide i9, which passes through the Thermostat 20 (Fig. 2) is operated. The thermostat, shown only schematically, is equipped with a heat-sensitive element 2. i, which is connected to the Hotplate 6 is connected, in connection. Q22 denotes an air intake duct one end of which communicates with the ash collecting space 4 and whose other end is dominated by the slide 23 (FIG. 2i), which is under the influence of the thermostat 24, which is only shown schematically. The thermostat 24 is connected to the heat-sensitive element 25 (Fig. 2) arranged in the oven 16 . The two thermostats ao and 24 are formed to be manually applied to the positions where the two heat sensitive elements 21 and 25 are installed, desired temperatures can be set. The fuel is filled in through the filling openings 7 and 9 . As a result of the opening 5 (Fig. 2), the fuel spreads not only on the Räs.t 2 out, but it falls through the opening 5 onto the grate 3. Using a suitable tool, the fuel is evenly distributed over the grate 2. Pins i i are provided on the underside of the hotplate 6 to mark a maximum height of the fuel layer. It will cause at the subsequent combustion, the hot combustion gases must cover the entire underside of the hotplate 6: .Enlarge the pins i i the surface of the cooking plate 6. The penetration of the fuel into the smoke exhaust pipe 13 is prevented by the grid 12 (Fig. 2). Is the Stove charged with fuel in the manner described and one has ignited the fuel lying on the grate 3 1 and one wants the Set the hotplate 6 and the oven i6 to predetermined temperatures, this is done by setting the thermostats 20 accordingly and 2.4 by means of setting elements that are not shown in detail. As a result, the air intake to the grates through the under the influence of the thermostats 20 and 24. standing slider rgund2g regulated accordingly. As soon as the hotplates 6 and 14 and the oven 16 have reached the set temperature approach, the thermostats gradually reduce the air supply and slow down combustion. When the oven 16 is in use is taken, its temperature drops and the thermostat 24 opens the slide 23, so that a larger amount of air under the grate 3 is supplied, as a result of which more vigorous combustion begins in this combustion zone. This gives the lower part of the oven a higher Temperature, and as a result, a greater amount of heat can be released through the circulation channel 17 to the oven r6. Of the Thermostat -2o works in the same way when the hotplate 6 is put into use, in that a larger amount of air is then placed under the grate 2, whereby the combustion under the cooking plate 6 becomes more physical. The combustion gases, which come from the combustion zone over the 1grate 3, flow through the lying on the grate 3 fuel column up. to the flue pipe 13 and thereby affect the cooking plate 6 only to a small degree, but they have a greater influence on the cooking plate 14. A change in the temperature of the cooking plates caused by the lower combustion zone is caused and which in reality is relatively small, has practically no meaning. On the other hand, the temperature of the oven is 16, which is only from the lower combustion zone on grate 3, regardless of the upper combustion zone on grate 2, and also regardless of whether the hotplates are used or not. In this way it is possible to maintain a constant temperature in the oven 16, what the meets practical needs. When the stove is not in use, such as. B. during the night, the thermostats 2o and j24 are set low, so that both the hotplates 6 and 14 and the oven 16 only come to a low temperature. To get these low temperatures, only a small supply of air is required, and the two slides i9 and z3 then close the air inlet openings almost completely. It has even proved possible to close the air supply opening 18 completely, since a very slow Combustion takes place on the grate 2 in any case, the combustion gases rising from the lower combustion zone have a small effect amount of oxygen that can pass through the grate z( as well as through the layer of fuel lying on it. The combustion residues generated by the combustion on the grate: 2 fall on the iRöst 3 Drennsrtoff. In this way, the cooker described not only has a common fuel supply for both combustion zones, but also one common place 4 where the ash can be taken out. When the fuel to be used has a relatively high percentage of ash, the ash often proves undesirable to pass from the upper combustion zone through the lower combustion zone. In such cases, it is expedient to use the method shown in Fig. 3 shown device for use. In this case, the fuel is discharged from the upper grate 2 by a separate, tubular magazine 26 passed the lower grate 3, under which the ash fall space 4 is located. The combustion gases of the lower combustion zone are in a ring-shaped channel 27 provided with an outlet opening, and through this they flow into the chamber under the grate 2 and are mixed with air from the air supply port 18. The ash from the top grate does not go through the fuel column but falls into one separate ash pit 28. Otherwise, this hearth has a function and a shape that essentially corresponds to the hearth Flig. i and 2 to match. There can also be more than two combustion zones, each connected to its or its heat consumption point, be provided. A management form is also conceivable in which more than just one oven can be provided in the circulation channel The Eauerbrand heating device according to the exemplary embodiments described has the advantage of structural simplicity; it enables to "send several burners together" and it allows the regulation of the heat flow to the consumption points in a very simple way Way.

Claims

[0011] PATENT CLAIMS: r. Continuous-burning heating device designed for solid fuels with two or more heat consumption points, and two or more grates or the like, mounted at different heights and passable for ash and fuel residues, with various air supply channels to the grates or the like, characterized in that all grates in a combustion chamber are for a mainly columnar fuel masses are attached, so that they all receive their fuel from the common fuel column, and that separate combustion zones at each grate in the fuel column with independent heat release to the relevant area(s) Heat consumption points are maintained.

2. Heating device according to claim 1, characterized in that the air inlet openings (i8, 2.2) are under the influence of shut-off devices controlled by thermostats, the thermostats being connected to the Heat-sensitive elements located at heat consumption points are in operative connection.

3. Heating device according to claim 1 or 2, characterized in that at least two combustion chambers share the same flue pipe.

4. Heating device according to a of claims, i, 2 or 3s characterized in that the superimposed combustion sites (12, 3) have a common ash fall chamber (4) possess, such that the combustion residues falling from the higher grate (12) must pass through the lower grate (3).

5. Heating device according to one of claims i, 2 or 3, characterized in that the combustion chambers, each with its own ash fallout chamber, are preferably arranged next to each other. are arranged.

6. Heating device according to one of the preceding claims, characterized in that it is equipped with two horizontal, in is equipped with substantial vertically stacked grates and two combustion zones in the common fuel column, where heat is transferred from the upper zone to the cooktops and from the lower zone to one or more ovens.

7. Heating device according to claim 6, characterized in that the hotplate is provided on its underside with means, preferably pins, for marking the maximum fuel layer height and to maintain a flue gas channel above the fuel.