DE2923593C2 - Chimney insert that can be used as a boiler - Google Patents

Description

can be built or integrated.

Of course, there is nothing to prevent this fireplace insert according to the invention in different but few and manageable type sizes, so that the subsequent installation can also be varied accordingly to be able to take into account large, already existing chimneys. But this means that at This main principle is a series production and thus, from the cost side, a broader application of such Chimney columns taken into account and the waste of energy normally associated with chimneys avoided can be.

The fireplace insert according to the invention is illustrated below with the aid of the drawings of exemplary embodiments is explained in more detail

It shows schematically

F i g. 1 shows a longitudinal section through the fireplace insert;

F i g. 2 shows a longitudinal section offset by 90 ° through the fireplace insert according to FIG. 1;

F i g. 3 shows a horizontal section through the fireplace insert in the area of the fireplace;

F i g. 4 shows a horizontal section according to FIG. 3 in another embodiment;

5 shows a view of the fireplace insert according to FIG. 4 in the lower area and

F i g. 6 a special embodiment of the fireplace insert.

The formation of the fireplace insert as a slim, straight-walled, high-standing component 5, from which No protruding parts protrude at all, can be seen in particular from FIGS. 1, 2. Through this shape this insert can be used in practically all cases in an inclined position in an existing chimney opening be introduced, erected and set up in it. A corresponding facing is subject to change Nothing stands in the way of parts of the existing chimney opening.

The entire fireplace insert or the entire housing 4 is divided into three parts I, II, III, namely the fresh air supply and ash fall housing 6, the area of the 1 euerstelle 2 open to the front and the exhaust area with the extractor 7 that is attached and can be regulated with a flap T , which does not necessarily have to have the shape shown.

Except for the trigger 7 and the fireplace opening 1, the parts I, II are double-walled, with over the fireplace opening 1 in the upper area of the inner shaft 5 'Nachschaitheizflächen 9 with beveled Areas 10 in the sense of the representation according to FIG. 1, 2 are arranged, d. H. running in the opposite direction, which benefits a better heat transfer medium circulation. The inclination of the surfaces 10 prevents a fly ash deposit.

As can be seen, the whole area is the fireplace 2 is surrounded by a fireproof lining 3 except for the opening to the front, for which the fire-side wall 11 compared to the shaft wall 13 is advantageously set back somewhat and bent at the top as a result To a certain extent, this results in a circumferential niche for the use of the refractory lining 3.

The outer wall 14 is advantageously inwardly ω at the bottom cranked and there forms a circumferential support surface 16, which on the one hand is the top surface for the underneath located fresh air supply and ash fall housing 6 forms and on the other hand at the same time the contact surface for the refractory lining 3 and the support surface for dr.s grate 15.

As can be seen, the inner edge of the support surface 16 can also be bent downwards.

In the fresh air supply and ash fall housing δ is advantageous a multi-slotted support wall 17 is arranged with relatively high-lying slots, the drainable Ashfailraum shields against the fresh air supply openings 27

In order to obtain a larger heat radiation surface towards the front, the housing 4 according to FIG. 4 at the front, as it were in continuation of the front surface 19 of the insert, be provided with heat-transferring double walls 21, the interior 20 of which is connected to the interior of the housing 4. The resulting, relatively large and additionally heat-radiating visible surface 22 is advantageous down to the installation level 26 pulled down and provided with openings 24 which can be closed by removable covers 23, behind which operating connection fittings 25, 25 ', such as a circulating pump or the like, can be arranged in an easily accessible manner. In Fig. 4, for example, the connections 25 'of an overheating fuse 28 are arranged, which are located in the double jacket carrying the heat carrier. the housing 4 is seated and regulated by the corresponding heat sensors. Cold water is passed to dissipate excess heat.

Not shown, as it goes without saying, are corresponding Flow and return connections. 29 is a protective grille arranged in front of the fireplace 2 and 35 is a Fold-up or removable cover plate for the fireplace opening 1. This plate 35 is once the need to be able to bring in large pieces of fuel, on the other hand the possibility of air supply through the fireplace opening 1 is thereby throttled

Of course, through the double walls of the housing 4, without the construction principle described, it is essential to have to change, instead of a liquid heat transfer medium, air must also be passed.

According to FIG. 6 is in a special Ausführungsforin the back of the water-bearing housing 4 is provided with an additional double wall 30, the interior "Ί is connected to a suction or pressure fan 33 (here pressure fan) that can be switched on and off Temperature sensor 34 regulated with a corresponding connection between the heaters. The whole thing replaces the overheating protection 28 indicated in FIG is dependent, which can be difficult and time-consuming.

In order to enlarge the heat transfer surface on the air side, the partition wall 12 ′ can be provided with elements 31 to be provided for such a transfer area enlargement.

If the blown air is led directly into the flue (chimney), its draft is reduced, which is certainly connected with an automatic self-regulation of the furnace.

Such an embodiment is of course only of interest if the double walls of the component 5 be charged with water as the heat transfer medium and not with air, which, as mentioned, in principle also it is possible.

For this purpose 2 sheets of drawings

Claims (9)

Patent claims: 1. Chimney insert that can be used as a boiler, consisting of one with flow and return connections Double-walled housing provided for water or air circulation with in the cross-sectional projection area the smoke outlet guided by the housing, fireplace opening and in the area of the fireplace arranged, refractory lining, characterized in that the housing (4) as slim, straight-walled, upright standing, the combustion shaft (5) and on the bottom side the fresh air supply and ash fall housing (6) is formed with a comprehensive component (5), wherein in the combustion shaft are arranged immediately under the trigger (7) Nachschaltheizflächen (9). 2. Chimney insert according to claim 1, characterized in that that the Nachschaltheizflächen (9) as narrow, upright pockets with opposite Are arranged inclination to the horizontal. 3. Fireplace insert according to claim 1 and / or 2, characterized in that the flue-side surface (10) the Nachschaltheizflächen (9) is arranged sloping 4. Fireplace insert according to any one of claims 1 to 3, characterized in that in the fireplace area (2) of the component (5) the fire-side wall (11) of the double wall (12) as angled at the top and opposite the inner Schaohtwand (13) is formed recessed wall and the outer wall (14) in the area of the Fäuen-o-stes (15) inwards with the formation of bearing surfaces (16) for the fire grate (15) and the refractory lining (3) bent is 5. Chimney insert according to claim 4, characterized in that that the inwardly bent wall (14) in the edge area of the bearing surfaces (16) are cranked at the bottom. 6. Fireplace insert according to claim 4 and / or 5, characterized in that the cranked inward Wall (14) is designed as a top surface of the fresh air supply and ash fall housing (6). 7. Fireplace insert according to claim 6, characterized in that the fresh air supply and ash fall housing (6) a support wall (17) with multiple slits is arranged below the wall (14) which is bent on the inside is. 8. Fireplace insert according to any one of claims 1 to 7, characterized in that the housing (4) above and on both sides next to the fireplace opening (1) in continuation of the front surface (19) of the housing (4) is provided with double walls (21), the interior (20) of which with the interior carrying the heat transfer medium of the housing (4) is connected. 9. Fireplace insert according to claim 8, characterized in that the visible surfaces (22) of the double walls (21) extended to the installation level (26) and the extensions with removable covers (23) closed openings (24) are provided, behind the openings (24) operating fittings (25.25 ') are arranged. The invention relates to a fireplace insert that can be used as a heating boiler according to the preamble of the main claim. The idea of making better use of the heat generated in open chimneys is old, and it does exist Proposals that are more or less well suited to meet this objective have been more or less suitable for a corresponding period of time. The relevant prior art can be outlined, for example, by the following publications: CH-PS 4 07 474 and GB-PS 9 01 002, 7 58 534. Basically, all of these include previously known Suggestions about arranging elements in the area of the open hearth through the heat transfer media (Water or air) can be directed to these media the heat from the area of the open Il- fireplace and let it become effective elsewhere, be it for the generation of hot domestic water, for charging radiators located outside the open fireplace, for additional heat charging from existing heating circuits connected to other heat generators (boilers) (GB-PS 5 94 280 and 9 O ^1. 002) or to blow out warm air (CH-PS 4 07 474). These are training forms that are closely related to the usual chimney forms (CH-PS 4 07 474) are adapted, cannot be easily inserted into existing chimneys (GB-PS 5 9 <i 280 and 9 01 002) or the whole Clement forms a chimney that can only be set up independently (CH-PS 4 07 474), which only after free installation can be walled if necessary. On the basis of this, it can be stated that none of the known proposals amounts to ultimately im In the sense of a heating boiler to have all of its essential characteristics integrated, but neither laboriously and can be installed in existing chimneys with little effort, even when installing new chimneys to significantly impair its other external freedom of design. The invention is accordingly based on the object of creating a fc, anine insert that can be used as a heating boiler, who meets these requirements, d. h., a fireplace insert, on the one hand as a self-contained unit all for a good burnout of the fuel and an optimal heat transfer to the heat transfer medium contains necessary elements and which, on the other hand, is essentially such a compact one in its form has favorable shape. that depending on the type size, it can be found in practically every existing open fireplace without great effort can be built in or combined with new chimneys to be built, which yes today, as a rule, they are created from "modular parts" and are therefore prefabricated. This task can be used as a boiler with one Fireplace insert of the type mentioned according to the invention by the characterizing part of the main claim Captured solved. Advantageous further developments result from the subclaims. The entire chimney insert including the fresh air supply housing and the exhaust area forms a more or less slender columnar component on which there are no laterally protruding or laterally protruding parts, such as inclined, conical or similar parts.
The chimney insert is advantageously a very compact component, with practically all the features of a boiler with the simplest construction, which thanks to its slim, shaft-like, straight-walled shape can be easily integrated into existing chimneys or chimney kits.