Arrangement comprising a chimney installation and a building ceiling

Abstract

Arrangement comprising a chimney installation and a building ceiling, wherein the chimney assembly comprises a chimney (2) and a fireplace (3, 30) and the chimney (2) has an outer casing (22) and an exhaust pipe (25) arranged therein and the building has a ceiling into which horizontal and vertical forces are introduced via a chimney support, wherein the chimney (2) has a base plate (20) which is the lower part of a chimney assembly (21) comprising the base plate (20) and a chimney section (2u) arranged thereon and is designed as a chimney base (21) in that the chimney section (2u) arranged on the base plate (20) is braced to the base plate (20) via a vertical chimney reinforcement (2uv) and is formed by n mutually supported casing stones (22), characterized by - that the base plate (20) is embedded in a ceiling (10) of the building designed as a reinforced concrete ceiling, including the formation of the chimney support for introducing horizontal and vertical forces into the ceiling of the building, - that the base plate (20) is supported and / or connected to a horizontally extending reinforcement device (10h) of the ceiling (10) of the building.

Description

[0001] The invention relates to an arrangement comprising a chimney device and a building ceiling, wherein the chimney device has a chimney and a fireplace and the chimney has an outer casing and an exhaust pipe arranged therein.

[0002] Chimney systems of this type are well known on the market through corresponding chimney products, e.g. the product of the applicant ERLUS Aktiengesellschaft: ERLUS LAF Premium Chimney (ERLUS CE system description according to ETA11 / 0271 for LAF Premium Chimney). This is a chimney arranged on the floor of a building. The chimney has an outer shell made of concrete casing blocks with vertical chimney reinforcement. The chimney has a lower chimney bracket that is attached to the floor of the building and engages the side of the lower casing block to absorb horizontal forces. An upper chimney bracket is realized through the roof opening of the chimney, with the outer shell of the chimney reaching through the passage opening in the roof.

[0003] In another chimney product offered on the market by the applicant ERLUS Aktiengesellschaft: ERLUS Ceramic Ceiling Connection KDA (see ERLUS product sheet: “ERLUS Ceramic Ceiling Connection KDA”), the chimney is supported on a floor of the building. To support the chimney, a floor slab is provided which rests on the floor. To absorb horizontal forces, an angle device is provided which has at least one horizontal leg which is screwed to the floor of the floor and at least one vertical leg which acts on the floor slab to support horizontal forces. An upper chimney support for supporting horizontal forces is formed by a passage through an upper floor or through the roof, in which the chimney with its outer casing passes through a passage opening in the upper floor or through a passage opening in the roof.

[0004] The chimney supports provided for the known chimney systems require relatively high construction and assembly effort.

[0005] DE 195 11 586 A1 describes a house chimney made of storey-high chimney elements. The chimney is, as described in Fig. As shown in Figure 1 of the document, the chimney is mounted throughout the building's floor slabs. The accompanying description states: "Recesses or openings 16 are provided in the individual floor slabs 12, in which the chimney 10 is held by means of suitable fastening means 18, such as concrete." Unlike the generic chimneys, the chimney in this document does not have a floor-mounted base plate.

[0006] CH 690 133 A5 is directed to a roof penetration for a metal chimney pipe using a cuboid box installed in the roof with a pivoting collar for the metal chimney pipe. The introduction to the document describes a roof penetration with a concrete roll-out as the state of the art. Regarding this concrete roll-out, the introduction states that a rectangular space is filled with concrete, leaving a passage opening for the chimney pipe. Long nails are driven through the beams to act as reinforcement. This document, CH 690 133 A5, also does not describe chimneys of this type with a base plate at the bottom.

[0007] The following documents also only partially describe chimneys with a similar structure: DE 195 37 373 A1 describes a chimney with longitudinal reinforcement with a casing stone that is braced with the longitudinal reinforcement. DE 1 659 393 A describes a chimney made of prefabricated floor-to-ceiling chimney elements, whereby the chimney penetrates the floor ceilings through recesses in the floor ceilings. DE 202 01 616 U1 describes a chimney with an exhaust pipe which rests on a base plate of a base unit, wherein the base unit has an empty shaft. The invention is based on the object of creating a chimney device in a building which has advantages with regard to its structural design and / or its assembly.

[0008] This object is achieved according to the invention with the subject matter of main claim 1. The subject matter is an arrangement comprising a chimney device and a building ceiling, wherein the chimney device has a chimney and a fireplace and the chimney has an outer casing and an exhaust pipe arranged inside the chimney. According to the invention, the chimney has a base plate which is the lower part of a chimney assembly which comprises the base plate and a vertical chimney section arranged thereon. An essential feature of the solution according to the invention is that the base plate is concreted into a ceiling of the building designed as a reinforced concrete ceiling, forming a chimney bracket for introducing horizontal and vertical forces into the ceiling of the building.This means that the base plate cast into the ceiling forms a chimney support that absorbs both horizontal and vertical forces and preferably directs them directly into the interior of the ceiling.

[0009] In preferred designs, the ceiling into which the base plate is concreted can be a ceiling of the building's roof, particularly preferably a flat roof. In a flat roof, the ceiling extends exclusively in a horizontal plane without a roof pitch. However, designs are also possible in which the ceiling into which the base plate is concreted is a floor ceiling. In all designs, the ceiling into which the base plate is concreted is constructed as a reinforced concrete ceiling.

[0010] According to the invention, the vertical chimney section of the chimney assembly comprises vertical chimney reinforcement that is braced to the base plate of the chimney assembly. The base plate is preferably cast in concrete on site by inserting the chimney assembly, which has the base plate at its lower end, into the reinforced concrete slab, preferably into a precast reinforced concrete slab as a semi-finished component, and then filling it with in-situ concrete.

[0011] The main advantage is that this method allows the chimney to be clamped into the ceiling, which can absorb horizontal and vertical forces and transfer them into the ceiling.

[0012] A particularly good integration of the base plate into the concrete can be achieved if it is provided that the base plate has at least one end face facing in the horizontal direction, in which a toothed profile is formed which has at least one depression and / or at least one elevation, preferably as at least one groove with a V-shaped or U-shaped cross section or as at least one projection with a V-shaped or U-shaped cross section.

[0013] To ensure particularly reliable force transmission in the case of a reinforced concrete ceiling, the invention provides that the base plate is supported and / or connected to a horizontally extending reinforcement structure of the building's reinforced concrete ceiling. The horizontally extending reinforcement structure can preferably be designed as a lattice reinforcement.

[0014] It is advantageous for the introduction of force if the base plate is provided with a horizontally projecting reinforcement device, which can preferably be coupled to the horizontally extending reinforcement device of the ceiling.

[0015] A particularly advantageous assembly for designs with a base plate with horizontally projecting reinforcement device can be obtained if it is provided that the base plate has at least one end face facing in the horizontal direction, in which at least one screw anchor for connecting a horizontally projecting reinforcement anchor is cast in and / or at least one horizontally projecting reinforcement anchor is cast in directly.

[0016] A base plate preferably has several such horizontally projecting reinforcement anchors, preferably projecting horizontally in different directions from different end faces of the base plate. Particular advantages are achieved with designs in which the reinforcement anchors in the base plate can be coupled via detachable couplings, e.g., cast-in screw anchors. With these designs, the base plate or the chimney assembly, which has the base plate at its lower end, can be inserted into the semi-finished part of the reinforced concrete ceiling on site, initially without installed reinforcement anchors, preferably into a ceiling opening, and precisely positioned there. The reinforcement anchors can then be installed subsequently.

[0017] To ensure high flexural rigidity of the chimney, preferred embodiments provide that the base plate has a vertically facing upper side, in which at least one screw anchor is cast for connecting a vertical chimney reinforcement of the chimney section supported on the base plate.

[0018] As already mentioned, an essential feature of the solution according to the invention is that the base plate is concreted into the ceiling of the building, forming a lower chimney support that absorbs horizontal and vertical forces. In conjunction with this inventive principle, designs are possible which provide that the chimney does not have a further chimney support in any section formed above the base plate, in particular no chimney support that exclusively or primarily absorbs horizontal forces. In conjunction with the aforementioned inventive principle, however, designs are also possible which provide that the chimney has a further chimney support in a chimney section formed above the base plate, wherein this chimney support exclusively or primarily absorbs horizontal forces.This additional chimney support can be attached to an upper chimney section in a floor passage or a roof passage. If necessary, it can also be designed as a separate guying system with cables or similar.

[0019] A further aspect of the inventive solution is that the stove to be connected to the chimney, which has the fireplace, is preferably installed on the floor whose upper ceiling is formed by the ceiling in which the base plate is concreted and above which the chimney extends upwards. The arrangement of the stove on the floor below the ceiling in which the base plate is concreted can be realized particularly advantageously if a through opening is formed in the base plate and in the ceiling in which the base plate is concreted, and the stove is connected to the through opening via the stovepipe. These embodiments can preferably provide - that a through-opening is formed in the ceiling of the building and a through-opening in the base plate and the base plate is arranged in such a way that the two through-openings are aligned with each other to form a common through-opening, and - that the common through-opening and / or the through-opening of the base plate has a lower opening connected to a flue pipe for supplying exhaust gas from the fireplace, the fireplace being located on a floor of the building below the ceiling, and - that the common through-opening and / or the through-opening of the base plate has an upper opening connected to the flue pipe of the chimney in order to guide the flue gases from the fireplace upwards through the chimney to the top of the chimney.

[0020] In particularly preferred embodiments, the ceiling into which the base plate is concreted is designed as the flat roof of a penthouse. The fireplace with the stove unit can be installed in a penthouse, connected via the stove pipe. The stove unit can preferably be installed standing on the floor of the penthouse, but it can also be suspended from the stove pipe and suspended above the floor of the penthouse.

[0021] However, designs are also possible in which the base plate cast in concrete into the ceiling has no through opening and the stove and stovepipe are connected via a connection opening formed on the side of the chimney. In this case, the stove can be placed outside. This applies in particular if the ceiling into which the base plate is cast in concrete is designed as a floor slab and does not have a through opening. Alternatively, in the case of a base plate cast in concrete into a flat roof ceiling, even if the base plate does not have a through opening, the stove can be connected via a side opening in the chimney and only a through opening for the stovepipe of the stove installed on the floor below is formed in the ceiling outside the base plate.

[0022] A particularly advantageous production of the arrangement comprising a chimney facility and a building ceiling in conjunction with encasing the base plate in concrete during assembly of the chimney on site at the construction site results from the fact that according to the invention the chimney assembly is designed as a prefabricated chimney base, in that the chimney assembly, which comprises the base plate and the chimney section arranged thereon, is designed as a prefabricated chimney base. In this case, the chimney section arranged on the base plate, preferably the outer shell of the chimney section, is braced to the base plate via the vertical chimney reinforcement. The chimney section arranged on the base plate, preferably the outer shell of the chimney section, is formed by n casing stones supported on one another, where n is preferably 2 or 3.

[0023] The prefabricated chimney base offers special assembly advantages for the installation of the chimney in the semi-prefabricated reinforced concrete slab. The prefabricated chimney base allows for particularly easy handling during on-site assembly. During on-site assembly, the prefabricated base with the base plate located at the lower end is inserted into a corresponding recess, preferably a through-hole in the semi-prefabricated slab. After precise positioning in the slab, it is then cast in place with in-situ concrete.

[0024] Particularly advantageous embodiments of the prefabricated chimney base provide for the chimney section to be braced to the base plate via a vertical chimney reinforcement, which is arranged vertically extending in and / or on the lower chimney section, preferably in cast-in receiving channels. Advantageously, it can be specifically provided that a) that the vertical chimney reinforcement of the prefabricated chimney base comprises vertical reinforcement bars, wherein the reinforcement bars each have an internally threaded sleeve at their lower end, the lower end of which is flush with the underside of the lowest casing brick of the chimney section, and wherein the reinforcement bars each have an internally threaded sleeve at their upper end, the upper end of which is flush with the upper side of the uppermost casing brick of the chimney section, and b) that the base plate has at least one cast-in screw anchor on its upper side, which has at its upper end an internally threaded sleeve, the upper end of which is flush with the upper side of the base plate, and c) that the lower end of the vertical chimney reinforcement of the chimney section is coupled to the screw anchor cast into the base plate by means of a threaded bolt which is screwed with its upper end into the threaded sleeve of the lower end of the reinforcement bar and with its lower end into the threaded sleeve of the screw anchor cast into the base plate.

[0025] As regards the design and support of the exhaust pipe inside the chimney section arranged on the base plate, preferred embodiments provide that in the interior of the chimney section of the chimney base, preferably in the interior which is surrounded by the outer casing of the chimney section, the exhaust pipe is arranged, which is formed from socket pipes with a connecting socket pipe and a standard socket pipe, - wherein the connecting socket pipe is supported on the base plate via a conical support ring, in which the lower wide end of the support ring rests on the upper side of the base plate, and the upper narrow end of the support ring is supported on the socket of the connecting socket pipe or on a ring glued to the outside of the connecting socket pipe under the socket, and - whereby the spigot end of the standard socket pipe is inserted into the socket of the connecting socket pipe.

[0026] Advantageously, after the prefabricated base has been installed on site, a chimney structure, i.e., an upper chimney section, is mounted on the prefabricated chimney base by encasing the base plate in the reinforced concrete ceiling. Preferred designs provide for the chimney to have a lower chimney section and an upper chimney section mounted on top of it. - wherein the lower chimney section is formed as the chimney section which is part of the structural unit comprising the base plate and / or the finished chimney base, and - the upper chimney section being designed as a chimney structure which extends the lower chimney section upwards.

[0027] The height of the chimney structure is preferably selected so that the entire chimney has a maximum wind vane height of three meters. Such designs preferably do not require any additional guying or additional chimney supports, especially not additional chimney supports that absorb only horizontal forces. In these designs, the concrete encapsulation of the chimney base with the base plate in the reinforced concrete roof slab preferably forms the sole chimney support, absorbing both horizontal and vertical forces.

[0028] To achieve high flexural rigidity, preferred embodiments provide for the upper chimney section to be coupled to the lower chimney section by connecting the lower end of a vertical chimney reinforcement of the upper chimney section to the upper end of a vertical chimney reinforcement of the lower chimney section, preferably via clamping screw couplers. These can preferably be arranged in notches of the outer casing, preferably in notches of the lower casing brick of the upper chimney section.

[0029] As far as the design of the chimney structure is concerned, it can advantageously be provided that the upper chimney section is designed as follows: - as a mineral, three-shell chimney structure, comprising an outer casing and / or an outer shell made of casing stones, preferably made of lightweight concrete, an inner pipe, preferably a ceramic inner pipe, and an intermediate insulation as well as a head with cover plate and outflow hood or - as a stainless steel chimney structure, comprising an outer casing and / or an outer shell made of stainless steel, an inner pipe, preferably a ceramic inner pipe, and an intermediate insulation as well as a head with cover plate and outflow hood or - as a lightweight chimney structure, comprising an outer casing and / or an outer shell made of calcium silicate, a preferably ceramic inner pipe and an intermediate insulation as well as a head with cover plate and outflow hood.

[0030] A particularly advantageous production is achieved with the subject matter of claim 16. This is a production kit for the production of a prefabricated chimney base for the production of an arrangement designed as described above. The production kit comprises the following components - base plate; - Mantle stones, preferably three pieces; - conical support ring, preferably ceramic support ring; - Reinforcing anchors, preferably for screwing into screw anchors cast into the front of the base plate, preferably eight pieces; - vertical chimney reinforcement, preferably with screw anchors cast into the top of the base plate; - connecting pipe, preferably ceramic socket pipe; - Standard pipe, preferably ceramic socket pipe.

[0031] The object stated at the outset is also achieved according to the invention with the subject matter of claim 17. This subject matter is a method for producing the arrangement described above with the following process steps: a) provide a prefabricated reinforced concrete floor as a semi-finished component – ​​hereinafter referred to as semi-finished floor – with a floor opening, preferably cut out of the semi-finished floor; b) place a formwork board flush with the underside of the semi-finished floor slab in the area of ​​the slab opening; c) insert a prefabricated chimney base, which has a base plate, preferably without reinforcement anchors mounted on it, into the ceiling opening; d) Install reinforcement anchors, if not already installed, on the base plate and connect the installed reinforcement anchors to the reinforcement of the semi-prefabricated floor slab, preferably grid reinforcement; e) Pour in-situ concrete into the semi-precast slab; f) remove the formwork board after the in-situ concrete has solidified; g) place the upper chimney section on the upper end of the prefabricated chimney base and couple the vertical chimney reinforcement of the lower chimney section with the vertical chimney reinforcement of the upper chimney section; h) apply the insulation layer and the support layer to the top of the slab filled with in-situ concrete, preferably after the in-situ concrete has hardened; and i) connect a fireplace, preferably a stove with a fireplace, to a lower opening of the ceiling passage opening and / or to a lower opening of the passage opening of the base plate, preferably with the interposition of a sleeve-shaped ceiling lining and connected to a flue pipe leading upwards in the chimney.

[0032] Preferably, in these methods, it can be provided that the method steps a) to i) are carried out in a modified order.

[0033] In this context, it may be provided that process step f), which provides for the removal of the formwork board after the fixing of the in-situ concrete, takes place only after process step g), which provides for the application of the chimney structure and / or after process step h), which provides for the application of the insulation layer and sealing layer.

[0034] In preferred embodiments, it can also be provided that the method step i), which provides for the connection of the fireplace to the chimney, takes place before the method step h), which provides for the application of the insulation layer and sealing layer and / or before the method step g), which provides for the application of the chimney structure.

[0035] The invention is described in more detail below with reference to the drawings. These show: Fig. 1 an embodiment of the chimney device, schematic side view, partially sectioned; Fig. 2 a detail from Fig. 1 in the area of ​​the ceiling connection of the chimney; Fig. 3 the chimney base of the embodiment of the Fig. 1, in individual view, in perspective view seen obliquely from above; Fig. 4a the chimney base of the Fig. 3, schematic side view, partially sectioned; Fig. 4a1 a detail in Fig. 4a in area M; Fig. 4a2 a detail in Fig. 4a in area P; Fig. 4a3 a detail in Fig. 4a in area O; Fig. 4b horizontal reinforcement anchor with screw anchor, in individual representation coupled and loose, side view; Fig. 4c vertical chimney reinforcement with reinforcement bar with screw anchor, loose in individual representation, side view; Fig. 5a a detail from Fig. 1 in the area of ​​the ceiling connection of the finished chimney base (5) with inner exhaust pipe and connected stove pipe, sectional view; Fig. 5b a detail from Fig. 5a showing the support of the connecting pipe of the inner flue pipe, designed as a socket pipe, via a conical support ring in the interior of the finished chimney base, enlarged sectional view; Fig. 6a Chimney of the embodiment in Fig. 1 with chimney construction according to option 1: 3-layer chimney with mineral outer shell made of lightweight concrete, ceramic inner pipe and insulation layer as well as head section with cover plate and end piece / outlet hood; Fig. 6a1 Detail from Fig. 6a, showing the area between the lower chimney section and the upper chimney section with outer casing, inner pipe and insulation, enlarged sectional view; Fig. 6b Chimney of the embodiment of the Fig. 1 with chimney construction according to option 2: 3-layer chimney with outer shell made of stainless steel, ceramic inner pipe and intermediate insulation as well as head section with cover plate and end piece / outlet hood; Fig. 6b1 Detail from Fig. 6a, showing the area between the lower chimney section and the upper chimney section with outer casing, inner pipe and insulation, enlarged sectional view; Fig. 6c Chimney of the embodiment of the Fig. 1 with chimney construction according to option 3: lightweight chimney with outer shell made of calcium silicate, ceramic inner pipe and intermediate insulation as well as head section with cover plate and end piece / outlet hood; Fig. 6c1 Detail from Fig. 6c, showing the upper chimney section with outer casing, inner pipe and insulation; Fig. 7a - 7i Process stages of the production of an embodiment of the chimney device; Fig. 7a Semi-finished reinforced concrete precast ceiling - hereinafter referred to as semi-finished ceiling - with cut-out ceiling opening, perspective view with oblique view from above; Fig. 7b Semi-finished ceiling according to Fig. 7a, but with the chimney base installed in the ceiling opening with the formwork board attached to the underside in the area of ​​the ceiling opening, side view; Fig. 7c Semi-finished ceiling according to Fig. 7b, but with reinforcement anchors coupled to the ceiling reinforcement, sectional view; Fig. 7d Semi-finished ceiling according to Fig. 7c, perspective view obliquely from above; Fig. 7e Semi-finished ceiling according to Fig. 7d, but formed as a reinforced concrete ceiling by filling with in-situ concrete, perspective view obliquely from above; Fig. 7f reinforced concrete ceiling according to Fig. 7e, sectional view; Fig. 7g reinforced concrete ceiling according to Fig. 7f, but with covering layers applied on top of the filigree ceiling; Fig. 7h reinforced concrete ceiling according to Fig. 7g, but with chimney superstructure placed on the lower chimney section of the prefabricated base; Fig. 7i reinforced concrete ceiling according to Fig. 7h, but with the oven connected via stovepipe.

[0036] In the Fig. The embodiment shown in Figure 1 is a chimney system in a building. In the illustrated embodiment, the building has a flat roof 1 with a reinforced concrete ceiling 10, which in the illustrated embodiment forms the upper ceiling of an upper floor of the building. The upper floor may be a so-called penthouse. The structure of the chimney system

[0037] The chimney device comprises a chimney 2 and a fireplace 3 formed in a furnace 30. The furnace is, as Fig. 1 shows, located on the ceiling 11 of the floor directly below the reinforced concrete ceiling 10 of the flat roof 1. This floor, as mentioned, may be a penthouse.

[0038] The chimney 2 has a base plate 20 at its lower end, which, as Fig. 2 shows that the chimney 2 is concreted into the reinforced concrete slab 10 of the flat roof 1, tensioned by the lattice reinforcement 10h of the reinforced concrete slab. The chimney 2 protrudes freely above the flat roof 1. In the illustrated embodiment, it can have a wind vane height of up to 3 m. In the illustrated embodiment, the chimney 2 does not have any additional, separate guying with cables or the like.

[0039] The furnace 30, in which the fireplace 3 is formed, is connected via a furnace pipe 35 to the exhaust pipe 25, which is led vertically upwards in the interior of the chimney 2.

[0040] The anchoring of the base plate in the reinforced concrete ceiling and the anchoring of the vertical chimney reinforcement

[0041] A key element of the chimney assembly is the base plate 20, which supports the chimney 2 in the reinforced concrete slab 10, transmitting horizontal forces—i.e., essentially wind forces—and vertical forces—i.e., essentially gravity forces—into the reinforcement of the reinforced concrete slab 10. The base plate 20 is clamped and concreted into the reinforced concrete slab 10. The manufacturing process, including the assembly of the chimney 2 and the anchoring of the base plate 20 and encasing it in the reinforced concrete slab 10 by filling it with in-situ concrete, is described in detail below.

[0042] In the illustrated embodiment, the support of the chimney 2 with the introduction of the horizontal and vertical forces takes place exclusively via the base plate 20, i.e. only at the base end of the chimney 2. A further support, i.e. a further support point in the manner of a conventional chimney bracket in a chimney section located above the base end of the chimney, is not present in the illustrated embodiment.

[0043] The base plate 20 is part of a prefabricated chimney base 21, which consists of the base plate 20 and the lower chimney section 2u, which is braced to the base plate 20 via a vertical chimney reinforcement 2uv. A ceramic flue pipe 25 is arranged inside the lower chimney section 2u, which is composed of a connecting socket pipe 25a and a standard socket pipe 25m. The exact structural design of the prefabricated chimney base 21 and the clamping of the base plate 20 in the reinforced concrete ceiling 10 is described in more detail below in connection with the Fig. 3, Fig. 4 and Fig. 5.

[0044] For the clamping of the base plate 20 in the reinforced concrete ceiling 10, the base plate 20, which has a square base plan, has a toothing in the form of a V-shaped toothed groove 20n on its four end faces. Reference is made to the Fig. 3, Fig. 4a and Fig. 5a. The toothed groove 20n extends parallel on the front side between the top and bottom of the base plate. The top and bottom are each flat. The base plate is made of glass fiber reinforced fiber concrete. On each of the four front sides, two screw anchors 20sa are cast into the groove base of the toothed groove 20n. The screw anchors 20sa each have an internally threaded sleeve 20sai at their free end, the front side of which is flush with the outside of the base plate 20. Reference is made to Fig. 3 and the Fig. 2 and Fig. 4. As can be seen from the figures, horizontally projecting, essentially rod-shaped reinforcement anchors 20h are screwed into the internally threaded sleeve 20sai of the screw anchors 20sa. The reinforcement anchors 20h are coupled with their projecting portion to a lattice reinforcement 10h of the reinforced concrete slab 10. The lattice reinforcement 10h extends horizontally within the reinforced concrete slab 10. (see Fig. 2)

[0045] The top of the base plate forms, like the Fig. 2, Fig. 3, Fig. 4a and Fig. 5a show the support surface of the lower chimney section 2u. The lower casing stone 22, which forms the outer shell of the chimney section 2u, rests on the upper side of the base plate 20. The lower chimney section 2u has, as can be seen from the Fig. 4a, Fig. 4a2, Fig. 4a3 and Fig. As can be seen in Figure 4c, the chimney has vertical reinforcement 2uv, which is formed from vertical reinforcement rods, also referred to as reinforcing bars, whose lower ends protrude beyond the underside of the lowest casing brick. The protruding ends are designed as external thread ends 20va. The external thread ends 20va are each screwed into an internal thread end 20sai of the screw anchors 20sa cast into the top side of the base plate 20. The reinforcement rods are arranged in cast-in receiving channels of the casing bricks of the lower chimney section 2u. At their upper end, they each have an internal thread sleeve 2uvi, the free end of which is aligned with the top side of the upper casing brick.

[0046] The upper chimney section 2o has the Fig. 1, Fig. 4c and Fig. 6a, the embodiment shown has an outer casing, also referred to as outer shell, which is formed from six casing stones 22 placed one above the other, which are braced to the lower chimney section 2u via a vertical chimney reinforcement 2ov, see. Fig. 6a1. The upper chimney reinforcement 2ov, like the lower chimney reinforcement 2uv, consists of vertical reinforcement bars in cast-in channels in the casing bricks. The lower ends of the reinforcement bars of the upper chimney reinforcement 2ov engage, each as an external threaded end 2ova (see. Fig. 4c), into a notch in the lower area of ​​the lowest casing brick of the upper chimney section 2o. They are connected via clamping screw couplers 2kk to the internally threaded sleeves 2uvi cast into the top of the uppermost casing brick of the lower chimney section 2u (see Fig. 4c) of the lower chimney reinforcement 2uv. The clamping screw couplers 2kk each have a coupling sleeve, which at its upper end receives the externally threaded end 2ova at the lower end of the reinforcement rods of the upper chimney reinforcement 2ov, and at its lower end each receives a coupling bolt, which is screwed into the internally threaded sleeve 2uvi at the upper end of the lower chimney reinforcement 2uv. The coupling sleeve is coupled to the ends to be coupled via clamping screws formed in radial threaded holes in the coupling sleeve. The flue gas routing inside the chimney system

[0047] In the following, particular attention is paid to the Fig. 5a and Fig. 5b referred to:

[0048] The upper end of the upper chimney section 2o carries a head 2k, which is formed from a cover plate 2op and an outflow hood 2oh (see Fig. 1 and Fig. 6a).

[0049] Arranged inside the chimney 2 is an exhaust pipe 25, which in the illustrated embodiment is composed of ceramic socket pipes. The axial support of the exhaust pipe 25 is provided on the base plate 20. This is achieved by the lower connecting socket pipe 25a being supported on a conical support ring 25t, which rests with its lower wide edge on the upper side of the base plate 20, with the upper narrow edge of the support ring 25t being supported on the lower edge of a ring 25r glued to the connecting socket pipe 25a below the socket. The connecting socket pipe 25a forms the lower socket pipe of the exhaust pipe 25. The spigot end of a standard socket pipe arranged above it is inserted into the socket of the connecting socket pipe 25a. This standard socket pipe passes through the lower chimney section 2u and is aligned with its upper socket edge with the top side of the upper casing brick of this chimney section 2u.

[0050] The upper chimney section 2o, as already mentioned, has an outer shell made up of six stacked casing blocks 22. The interior of these casing blocks is penetrated by the exhaust pipe 25, which in this area is also formed by nested standard socket pipes 25m. The lower standard socket pipe of this pipe section is inserted with its spigot end into the socket of the upper standard socket pipe of the lower chimney section, and the upper socket edge of the upper standard socket pipe ends flush with the top side of the upper casing block of the upper chimney section 2o. A cover plate 2op and an exhaust hood 2oa arranged thereon are arranged at the upper end of this chimney section 2o.

[0051] Both in the lower chimney section 2u, which is part of the finished chimney base 21, and in the upper chimney section 2o, an insulating layer 26 is arranged between the outer wall of the exhaust pipe 25 and the inner wall of the casing stones 22. Chimney construction options above the lower chimney section

[0052] In the following, particular attention is paid to the Fig. 6a, Fig. 6a1; Fig. 6b, Fig. 6b1 and Fig. 6c, Fig. 6c1 referred to: The upper chimney section 2o, with the cover plate 2op and the exhaust hood 2oa arranged at the head 2k, forms a so-called chimney structure. As already mentioned, this structure can be designed in various ways.

[0053] Option 1 is the one previously discussed in connection with the Fig. 1, in which the outer shell is formed by casing blocks made of lightweight concrete and the inner pipe 25 is formed from ceramic socket pipes with an insulating layer 26 interposed between the outer shell and the inner pipe.

[0054] Option 2 provides that the outer shell is a shell made of stainless steel and the exhaust pipe 25 is also made of ceramic socket pipes with an insulating layer 26 interposed between the outer shell and the inner pipe.

[0055] Option 3 provides that the upper chimney section 2o is designed as a lightweight chimney, with an outer shell made of calcium silicate and a flue pipe 25 also made of ceramic socket pipes with an insulating layer 26 interposed between the outer shell and the inner pipe. The production of the chimney equipment

[0056] The chimney system is preferably manufactured on-site at the construction site, starting from a precast reinforced concrete slab 10 as a semi-finished component 10hf. This semi-finished component is manufactured in a concrete plant and provided on site. This semi-finished component 10hf – hereinafter referred to as the semi-finished component slab – consists of a lower concrete slab 10p and a lattice reinforcement 10h arranged thereon, which extends horizontally above the concrete slab 10p and is cast into the concrete slab 10p with its lower section.

[0057] A slab through-hole 10d is preferably cut into the semi-finished slab 10hf of the precast reinforced concrete slab provided on site. Alternatively, the slab through-hole 10d can also be created at the concrete plant during the production of the semi-finished slab.

[0058] A formwork board 10s is attached to the underside of the semi-finished ceiling 10hf in the area of ​​the ceiling passage opening 10d, preferably on site at the construction site, in such a way that the ceiling passage opening 10d is covered downwards.

[0059] On site, the prefabricated chimney base 21 with its base plate 20 is now inserted into the ceiling passage opening 10d, preferably in such a way that only the base plate 20 is arranged in the ceiling passage opening 10d with its underside resting on the upper side of the formwork board 10s and the lower chimney section 2u of the prefabricated chimney base 21 resting on the upper side of the base plate 20 projects upwards over its entire length out of the ceiling passage opening 10d.

[0060] When inserting the prefabricated chimney base 21, the horizontally projecting reinforcement anchors 20aa are preferably not yet installed, i.e., the screw anchors 20sa cast into the end faces of the base plate 20 are still free during insertion. This means that the reinforcement anchors 20aa are not yet inserted. The reinforcement anchors 20aa are only installed in the next step, once the base plate 20 is inserted into the ceiling opening. The reinforcement anchors 20aa are installed by screwing them into the screw anchors 20sa. In their installed position, the reinforcement anchors 20aa protrude horizontally from the screw anchors 20sa cast into the end faces of the base plate into the grid reinforcement 10a.

[0061] In the next step, the sections of the reinforcement anchors 20aa projecting into the grid reinforcement 10h are coupled to the grid reinforcement 10h to form fixed connection points.

[0062] In the next step, the semi-prefabricated slab 10hf is cast with in-situ concrete in such a way that the grid reinforcement of the semi-prefabricated slab 10hf is completely covered with concrete up to the height of the top of the base plate 20, but this preferably remains free.

[0063] After the in-situ concrete has set, insulation and sealing layers 10da are applied to the now flat concrete surface of the now finished reinforced concrete ceiling in such a way that the insulation and sealing layers 10a tightly surround the outside of the chimney section 2u in its lower area.

[0064] After applying the insulation and sealing layers 10da or in a preceding step after assembling the prefabricated chimney base 21 after encasing it by pouring in-situ concrete, the upper chimney section 2o can be mounted on the upper end of the chimney section 2u of the prefabricated chimney base 21. In this case, the vertical chimney reinforcement 2ov of the upper chimney section 2o is coupled to the vertical chimney reinforcement 2uv of the lower chimney section 2u, preferably via a clamping screw sleeve device 2k. The clamping screw sleeve device 2k can be inserted into a notch of the lower casing brick 22 of the upper chimney section 2o. The design of the clamping screw couplers 2kk is described above in connection with Fig. 6a1 already described.

[0065] The stove 30, which stands on the floor slab 11 below the reinforced concrete ceiling 10 forming the flat roof 1 and in which the fireplace is formed, is finally connected via a stovepipe 35 to the exhaust pipe 25 arranged inside the chimney. For this purpose, the stovepipe 35 is connected at its lower end to the exhaust outlet of the stove 30 and at its upper end to the lower end of the exhaust pipe 25 via a ceiling lining 36. The ceiling lining 36 forms a connecting piece. The upper end of the ceiling lining 36 is inserted into the lower end of the exhaust pipe 25, which is flush with the underside of the base plate 20. The upper end of the stovepipe 35 is plugged onto the lower end of the ceiling lining 36.

[0066] In the illustrated case, the furnace 30 is arranged standing on the floor slab. In modified embodiments, the furnace can also be mounted freely suspended from the furnace pipe 35 above the floor slab 11. List of reference symbols 1 flat roof 10 reinforced concrete ceiling 10hf reinforced concrete precast floor as semi-finished part, semi-finished floor 10p lower concrete slab 10h horizontal reinforcement of the ceiling, grid reinforcement 10d Passage opening in the reinforced concrete slab 10 and in the semi-prefabricated slab 10hf 10s formwork board 10da Insulation and sealing layers on the ceiling 10 11 floor ceiling 2 chimney 2u lower chimney section 2uv vertical chimney reinforcement in 2u 2uvi internal thread sleeve from 2uv 2uva external thread end of 2uv 2o upper chimney section 2ov vertical chimney reinforcement in 2o 2ovi internal thread sleeve from 2ov 2ova external thread end of 2ov 2op cover plate 2oa exhaust hood 2k chimney head 2mo mineral, 3-layer chimney construction 2eo stainless steel chimney structure 2lo lightweight chimney construction 2k head 2kk clamping screw coupler 20 base plate 20d passage opening in 20 20n toothing groove 20h horizontal reinforcement anchor 20ha external thread end 20sa screw anchor with internal thread sleeve 20sai at the free end 20sai internal thread sleeve from 20sa 21 Chimney base 22 Mantelstein 25 exhaust pipe 25a connecting pipe 25t conical support ring 25r glued support ring 25m socket pipe, standard pipe 26 Insulation layer 3 fireplace 30 Oven with fireplace 3 35 stovepipe 36 ceiling lining

Claims

[1] Arrangement comprising a chimney device and a building ceiling, wherein the chimney device comprises a chimney (2) and a fireplace (3, 30), and the chimney (2) has an outer casing (22) and a flue gas pipe (25) arranged therein, and the building has a ceiling into which horizontal and vertical forces are introduced via a chimney support, wherein the chimney (2) has a base plate (20) which is the lower part of a chimney assembly (21) comprising the base plate (20) and a chimney section (2u) arranged thereon and is designed as a prefabricated chimney base (21) in that the chimney section (2u) arranged on the base plate (20) is braced to the base plate (20) via a vertical chimney reinforcement (2uv) and is formed by n casing stones (22) supported on one another, characterized by , - that the base plate (20) is concreted into a ceiling (10) of the building designed as a reinforced concrete ceiling, forming the chimney support for the introduction of horizontal and vertical forces into the ceiling of the building, - that the base plate (20) is supported and / or connected to a horizontally extending reinforcement device (10h) of the ceiling (10) of the building. [2] Arrangement according to claim 1, characterized by that the base plate (20) has at least one end face facing in the horizontal direction, in which a toothed profile (20n) is formed, which has at least one recess and / or at least one elevation, preferably as a groove with a V-shaped or U-shaped cross section or at least as a projection with a V-shaped or U-shaped cross section. [3] Arrangement according to one of the preceding claims, characterized bythat the base plate (20) has a horizontally projecting reinforcement device (20h), preferably for supporting and / or for connecting to a reinforcement device (10h) of the ceiling (10) extending horizontally in the ceiling (10). [4] Arrangement according to one of the preceding claims, characterized by that the base plate (20) has at least one end face facing in the horizontal direction, in which at least one screw anchor (20sa), preferably with an internally threaded sleeve for connecting a horizontally projecting reinforcement anchor (20h) is cast, and / or in which at least one horizontally projecting reinforcement anchor (20h) is directly cast. [5] Arrangement according to one of the preceding claims, characterized bythat the base plate (20) has a top side facing in the vertical direction, in which at least one screw anchor (20sa) is cast, preferably with an internal threaded sleeve aligned with the top side of the base plate, for connecting a vertical chimney reinforcement (2uv) of the chimney section (20u) supported on the base plate (20). [6] Arrangement according to one of the preceding claims, characterized by that the ceiling (10) of the building is designed as a ceiling (10) of a flat roof (1) which extends exclusively in a horizontal plane without roof pitch, or that the ceiling (10) of the building is designed as a floor ceiling (11). [7] Arrangement according to one of the preceding claims, characterized by that the chimney support, which is formed by the base plate (20) concreted into the ceiling, is designed as a lower chimney support which absorbs horizontal forces and vertical forces, wherein it is provided a) that the chimney (2) does not have any further chimney support in any section formed above the base plate (20), in particular no chimney support which exclusively or primarily absorbs horizontal forces, or b) that the chimney (2) has at least one further chimney support in a chimney section (2o) formed above the base plate (20), said chimney support absorbing exclusively or primarily horizontal forces. [8] Arrangement according to one of the preceding claims, characterized by , - that a through opening (10d) is formed in the ceiling (10) of the building and a through opening (20d) is formed in the base plate (20), and the base plate (20) is arranged such that the two through openings (10d, 20d) are aligned with one another to form a common through opening (10d, 20d), and - that the common through-opening (10d, 20d) and / or the through-opening (20d) of the base plate (20) has a lower opening which is connected to a stove pipe (35) for supplying exhaust gas from the fireplace (3, 30), the fireplace (3, 30) being arranged in a storey of the building below the ceiling (10), and - that the common through-opening (10d, 20d) and / or the through-opening (20d) of the base plate (20) has an upper opening which is connected to the exhaust pipe (25) of the chimney (2) in order to guide the exhaust gas of the fireplace (3, 30) upwards through the chimney (2) to the upper end of the chimney (2). [9] Arrangement according to one of the preceding claims, characterized bythat the chimney section 2u arranged on the base plate (20), which is braced to the base plate (20) via the vertical chimney reinforcement (2uv) and is formed by the n casing stones (22) supported on one another, is designed such that n is 2 or 3. [10] Arrangement according to one of the preceding claims, characterized by that the chimney section (2u) arranged on the base plate (20), which is braced to the base plate via the vertical chimney reinforcement (2uv) and is formed by the n mutually supported casing stones (22), is designed such that the outer shell of the chimney section (2u) is braced to the base plate (20) via the vertical chimney reinforcement (2uv) and is formed by the n mutually supported casing stones (22). [11] Arrangement according to one of the preceding claims, characterized by , a) that the vertical chimney reinforcement (2uv) of the prefabricated chimney base (21) comprises vertical reinforcement bars, wherein the reinforcement bars each have an internally threaded sleeve at their lower end, the lower end of which is flush with the underside of the lowest casing brick (20) of the chimney section (2u), and wherein the reinforcement bars each have an internally threaded sleeve at their upper end, the upper end of which is flush with the upper side of the uppermost casing brick of the chimney section, and b) that the base plate (20) has at least one cast-in screw anchor (20sa) on its upper side, which has at its upper end an internally threaded sleeve, the upper end of which is flush with the upper side of the base plate (21), and c) that the lower end of the vertical chimney reinforcement (2uv) of the chimney section (2u) is coupled to the screw anchor (20sa) cast into the base plate (20) via a threaded bolt which is screwed with its upper end into the threaded sleeve of the lower end of the reinforcement bar and with its lower end into the threaded sleeve of the screw anchor (20sa) cast into the base plate (20). [12] Arrangement according to claim 10 or 11, characterized by that in the interior of the chimney section (2u) of the chimney base (21), preferably in the interior which is surrounded by the outer casing of the chimney section (2u), the exhaust pipe (25) is arranged, which is formed from socket pipes (25a, 25m) with a connecting socket pipe (25a) and a standard socket pipe (25m), - wherein the connecting sleeve pipe (25a) is supported on the base plate (20) via a conical support ring (25t), in that the lower wide end of the support ring (25t) rests on the upper side of the base plate (20), and the upper narrow end of the support ring (25t) is supported on the sleeve of the connecting sleeve pipe (25a) or on a ring (25r) glued to the outside of the connecting sleeve pipe (25a) under the sleeve, and - whereby the spigot end of the standard socket pipe (25m) is inserted into the socket of the connecting socket pipe (25a). [13] Arrangement according to one of the preceding claims, characterized by that the chimney (2) has a lower chimney section (2u) and an upper chimney section (2o) applied thereto, - wherein the lower chimney section (2u) is designed as the chimney section which is part of the finished chimney base (21), and - wherein the upper chimney section (2o) is designed as a chimney structure which extends the lower chimney section (2u) upwards. [14] Order according to claim 13, characterized by that the upper chimney section (2o) is coupled to the lower chimney section (2u) and / or the chimney base (21) by connecting the lower end of a vertical chimney reinforcement (2ov) of the upper chimney section (2o) to the upper end of a vertical chimney reinforcement (2uv) of the lower chimney section (2u), preferably via a clamping screw coupler (2kk). [15] Arrangement according to one of claims 13 or 14, characterized by , that the upper chimney section (2o) is designed as follows: - as a mineral, three-shell chimney structure (2mo), comprising an outer casing and / or an outer shell made of casing stones (22), preferably made of lightweight concrete, an inner pipe, preferably a ceramic inner pipe (25), and an intermediate insulation (26) as well as a head (2k) with cover plate and outflow hood or - as a stainless steel chimney structure (2eo), comprising an outer casing and / or an outer shell made of stainless steel, an inner pipe, preferably a ceramic inner pipe (25), and an intermediate insulation (26) as well as a head with cover plate and outflow hood or - as a lightweight chimney structure (2lo), comprising an outer casing and / or an outer shell made of calcium silicate, a preferably ceramic inner pipe (25) and an intermediate insulation (26) as well as a head with cover plate and outflow hood. [16] Manufacturing kit for the manufacture of a chimney base (21) for the production of an arrangement designed according to one of the preceding claims, comprising the following components: - base plate (20); - mantle stones (22), preferably three pieces; - conical support ring (25t), preferably ceramic support ring; - reinforcement anchors (20h), preferably for screwing into screw anchors (20sa) cast into the front of the base plate (20), preferably eight pieces; - vertical chimney reinforcement (2uv), preferably with screw anchors (20sa) cast into the top of the base plate (20); - connecting pipe (25a), preferably ceramic socket pipe; - Standard pipe, preferably ceramic socket pipe. [17] Method for producing an arrangement which is designed according to one of the preceding claims 1 to 15, comprising the following method steps: a) provide a reinforced concrete prefabricated ceiling (10) as a semi-finished part (10hf) - hereinafter referred to as semi-finished ceiling - with a ceiling passage opening (10d), preferably cut out of the semi-finished ceiling (10hf); b) place a formwork board (10s) flush with the underside of the semi-finished ceiling (10hf) in the area of ​​the ceiling opening (10d); c) insert a chimney base (21) having a base plate (20), preferably without reinforcement anchors (20h) mounted thereon, into the ceiling passage opening; d) Mount reinforcement anchors (10h), if not already mounted, to the base plate (20) and connect the reinforcement anchors (20h) to the reinforcement (10h) of the semi-finished ceiling (10hf), preferably grid reinforcement (10h); e) pour in-situ concrete into the semi-precast slab (10hf); f) after the in-situ concrete has solidified, remove the formwork board (10s); g) place the upper chimney section (2o) on the upper end of the prefabricated chimney base (21) and couple the vertical chimney reinforcement (2uv) of the lower chimney section (2u) with the vertical chimney reinforcement (2uv) of the upper chimney section (2o); h) apply the insulation layer and sealing layer (10da) to the upper side of the ceiling (10) filled with in-situ concrete, preferably after the in-situ concrete has solidified; and i) connect a fireplace (3), preferably a stove (30) with fireplace (3) to a lower opening of the ceiling passage opening (10d) and / or to a lower opening of the passage opening (20d) of the base plate (20), preferably with the interposition of a sleeve-shaped ceiling lining (36) and connected to an exhaust pipe (25) leading upwards in the chimney. [18] Method according to claim 17, characterized by that the process steps a) to i) are carried out in a modified order, - preferably, process step f) is carried out after process step g) and / or after process step h); and / or - preferably, process step i) is carried out before process step h) and / or before process step g).

Images