EP3839343A1 - Assembly kit for dual-flow collective pipe - Google Patents

Abstract

The present invention relates to a collective double-flow duct kit (1) extending over several floors (6) of a building comprising at least one flexible tube (5) for evacuating the fumes introduced into an external structure made up of a plurality of rigid or flexible tubes (7a, 7b, 7c) fitted into a plurality of rigid elements (17) comprising nozzles (19) fixed in a duct, a technical sheath (20), or to a face of the building, this external structure terminating in a siphon (11) at its lower end and at its upper end by a terminal (9) provided with smoke evacuation orifices and combustion air inlet openings and returned secured to the last rigid tube (7c) by interlocking, each flexible duct (5) connecting each smoke outlet of the terminal (9) to the smoke outlet duct of a combustion appliance installed near at least an orifice (8) and a connecting duct.

Description

TECHNICAL FIELD AND SUBJECT OF THE INVENTION

The present invention relates to the field of collective smoke ducts, for example fireplaces, service ducts, exterior facades, technical columns in buildings such as old garbage chutes.

More specifically, the invention relates to a kit assembly of a collective double-flow duct with individual flexible smoke evacuation tubes.

STATE OF THE ART

Most buildings, especially those with several floors, are equipped with heaters or hot water production. However, when a device is defective, it is necessary to shut down the other devices or put a plug at the connection, or even replace the entire assembly in the event of a leak.

According to the prior art, we know the patent FR2999681 B1 which presents a method of installing a chimney pipe for a heating installation in a combustion gas fireplace, comprising the following steps: the manufacture of a connection between the end of the chimney and the connection zone by means of at least one aid means, the connection of said at least one aid means with the chimney flue on the face of the end of the chimney or else of the connection zone, the introduction of the chimney flue into the combustion gas chimney by means of said at least one aid means, and the connection of the respective end of the chimney duct in the area of the end of the chimney with the combustion gas chimney, respectively the area of connection.

There is a feed-through element for chimney pipes proposed in the patent FR3028010 B1 which comprises a parallelepipedal base body and several through holes in side walls of the base body, in at least one of the through holes being inserted at least one guide member which can guide a chimney pipe from inside the body base towards the outside of the base body, and through openings without an inserted guide element being closable. The patent FR3028010 B1 also describes a top chimney termination comprising a feed-through element and a method of installing a chimney in a chimney duct.

A method is also known for lining a chimney with a ceramic inner tube presented in the patent. FR2656917 B1 . This ceramic inner tube is acid-resistant and consists of several tube sections, which after firing, are cut at their ends, in parallel planes and then assembled, by interposing a layer of sticky product and interconnected by a sleeve. , tensile resistant manner. The inner tube is lowered inside the chimney, from the chimney head, spacers, placed on the sleeves, ensuring a centering of the inner tube inside the chimney.

The state of the art includes the patent document EP2365248 B1 , which describes a flue gas chimney for heating installations, provided with a flue gas duct preferably extending over several floors of a building, the flue gas duct comprising a lower end and an upper end arranged in particular on the roof of the building, and having at least one connection zone intended for the connection of the flue gas duct with an outlet of the heating installation. The burnt gases generated at the outlet of the heating installation are introduced into the flue gas duct, and the burnt gases are discharged into the environment through the upper end of the flue gas duct. At least one additional chimney tube is disposed in the flue gas duct, which extends from said at least one connection zone to at least in the region of the upper end of the flue gas duct.

There is also the patent EP2365249 B1 which describes a method of installing a flue pipe for a heating installation in a flue gas stack, the flue gas stack comprising a flue gas duct provided with an upper flue end, arranged in cooperation with the environment of a building, and a connection area, which is arranged in a wall of the flue gas stack. The chimney pipe is placed at least between the end of the chimney and the connection zone, and the installation of the chimney pipe comprises the following steps: making a connection between the end of the chimney and the connection zone by means of at least one aid means, the connection of said at least one aid means with the chimney flue on the face of the end of the chimney or of the connection zone, the introduction of the chimney flue in the flue gas chimney by means of said at least one aid means, and the connection of the respective end of the chimney duct in the area of the end of the chimney with the flue gas chimney, respectively the connection area .

We know the patent FR3011315 B1 which describes a method of boiler exhaust ducts, the exhaust duct comprising an inner pipe and a chimney flue, the inner pipe being connected to at least one exhaust gas connection pipe and the outer pipe being connected to at least one combustion air connection pipe which surrounds the exhaust gas connection pipe, the method comprising the following steps: a) Inserting a cutting tool inside the combustion air connection pipe. combustion; b) Cutting the exhaust gas connection pipe from the inner pipe using the cutting tool; c) removing the cut-out exhaust gas connection pipe with an opening remaining in the inner pipe; and d) inserting a plastic exhaust gas pipe through the opening in the inner pipe.

However, the solutions proposed have drawbacks because they do not offer kits and are essentially suitable for renovating existing conduits.

The invention therefore aims to resolve these drawbacks by proposing a collective double-flow flue kit comprising evacuations of the individual combustion products and a collective fresh combustion air supply to serve heating or water production devices. hot water supplied with a liquefied gas fuel suitable for any duct, whether it is a new or renovated installation, inside or outside buildings.

GENERAL PRESENTATION OF THE INVENTION

The object of the present invention is therefore to alleviate the drawbacks of the prior art by proposing a collective double-flow duct kit assembly.

To achieve this result, the present invention relates to a collective double-flow duct kit assembly extending over several floors of a building comprising at least one flexible smoke evacuation tube introduced into an external structure consisting of a plurality of rigid tubes or flexible and rigid tubes nested in a plurality of rigid elements comprising nozzles fixed either in a duct, or a service duct, or to a face of the building, this structure exterior terminating in a siphon at its lower end, and at its upper end by a terminal provided with smoke evacuation orifices and combustion air inlet openings and made integral with the last rigid tube by interlocking, each flexible duct connecting each smoke outlet of the terminal to the smoke outlet duct of a combustion appliance installed near at least one orifice and a connecting duct.

According to a particular feature, said at least one tapping is connected to a combustion air nozzle of the device.

According to another feature, said at least one branch is a cylindrical tube, connected by welding to a cylindrical section along the cutting axis of a hole made in said cylindrical section.

According to another feature, at least one wall support placed on each cylindrical section maintains the structure in the case where the outer structure is made up of flexible tubes.

According to another feature, the flexible duct is made of plastic.

According to another particular feature, the plastic material chosen is PVDF for an operating temperature of up to 160 ° C or PP for an operating temperature of up to 120 ° C.

According to another feature, an annular support comprising in a groove a seal maintains each flexible duct on the terminal.

According to another feature, a retaining collar maintains the terminal at the upper end of the outer structure.

According to another feature, a flashing placed on the roof of the building and surrounding the upper end of the exterior structure, seals the building.

According to another feature, each rigid tube is composed either of rigid plastic or of flexible plastic or of rigid metal or of flexible metal.

According to another feature, the rigid tube composed of rigid metal or of flexible metal is made of galvanized steel or of stainless steel.

According to one embodiment, a support holding the outer structure is fixed to the lower end of the outer structure.

PRESENTATION OF FIGURES

• [Fig. 1] représente un schéma en perspective d'une gaine technique à l'intérieur d'un bâtiment comprenant un conduit de fumée collectif comprenant des installations de chauffage ou de production d'eau chaude à chaque étage d'un bâtiment selon l'invention.
• [Fig. 2] représente un schéma dans le plan d'une coupe verticale d'un conduit de fumée collectif selon l'invention.
• [Fig. 3] représente un schéma en perspective d'une coupe verticale d'un conduit de fumée collectif selon l'invention.
• [Fig. 4] représente un schéma détaillé de tubes flexibles à l'intérieur d'un conduit de fumée collectif selon l'invention.
• [Fig. 5] représente un schéma d'un terminal sans tuyaux flexibles, sur un conduit de fumée collectif.
• [Fig. 6] représente un schéma d'un terminal comprenant des tuyaux flexibles, sur un conduit de fumée collectif, selon l'invention.

Other characteristics and advantages of the invention will become apparent on reading the detailed description of the embodiments of the invention, given by way of example only, and with reference to the drawings which show:

• [ Fig. 1 ] represents a perspective diagram of a technical duct inside a building comprising a collective smoke duct comprising heating or hot water production installations on each floor of a building according to the invention.
• [ Fig. 2 ] represents a diagram in the plane of a vertical section of a collective smoke duct according to the invention.
• [ Fig. 3 ] is a perspective diagram of a vertical section of a collective smoke duct according to the invention.
• [ Fig. 4 ] shows a detailed diagram of flexible tubes inside a collective smoke duct according to the invention.
• [ Fig. 5 ] represents a diagram of a terminal without flexible pipes, on a collective flue.
• [ Fig. 6 ] represents a diagram of a terminal comprising flexible pipes, on a collective smoke duct, according to the invention.

DETAILED DESCRIPTION OF AN EMBODIMENT OF THE INVENTION

Various embodiments of the invention will now be described with reference to the illustrative and non-limiting figures of the present application.

[ Fig. 1 ] is an example of a technical duct (20) inside a building comprising a collective flue, heating or hot water production installations (4) on each floor (6) of the building.

As shown for example on [ Fig. 1 ], the duct includes the collective duct and can also be placed outside the building on its facade. The collective duct can also be placed outside the building, on its facade and outside a duct.

In certain embodiments, the upper end of the collective smoke duct comprises a terminal (9) provided with smoke discharge openings and air intake openings.

In some embodiments, a flashing (12) is provided on the roof of the building to seal the building against rain and inclement weather.

[ Fig. 2 ] and [ Fig. 3 ] are illustrative and non-limiting exemplary embodiments of a collective double-flow duct kit assembly extending over several floors (6) of a building comprising at least one flexible tube (5) for evacuating the fumes introduced. in an external structure made up of a plurality of rigid tubes (7a, 7b, 7c) fitted into a plurality of rigid elements (17) comprising nozzles (19) fixed either in a duct, or a technical duct (20), or on one side of the building, this outer structure terminating in a siphon (11) at its lower end.

In some embodiments, the upper end of the collective smoke duct comprises a terminal (9) provided with smoke evacuation orifices and air inlet openings, the terminal (9) is made integral with the last rigid tube (7c) by interlocking.

In certain embodiments, each flexible duct (5) connects each smoke outlet of the terminal (9) to the smoke outlet duct of a combustion appliance installed near an orifice (8).

In some embodiments, each flexible duct (5) serves the heating or hot water production devices (4) on each floor (6) of the building.

In certain embodiments, the siphon (11) is located at the bottom of the duct for the evacuation of any water inlets in the combustion air supply space.

In some embodiments, each rigid tube (7a, 7b, 7c) is made of either rigid or flexible plastic, or rigid or flexible metal made of galvanized steel or stainless steel.

In some embodiments, each flexible duct (5) is held on the terminal (9) by an annular support (13).

In some embodiments, these individual flexible conduits (5) are located inside an "outer" conduit made of rigid or flexible plastic or rigid or flexible metal comprising rigid plastic or metal T-shaped elements comprising nozzles ( 19) of rigid cylindrical shape on each floor. Rigid and flexible metal conduits are made of galvanized steel or stainless steel.

[ Fig. 4 ] is an illustrative and non-limiting embodiment of a rigid element (17) in the form of a T comprising a branch (19) and flexible tubes (5) inside a collective smoke duct according to the invention .

As shown for example on [ Fig. 4 ], the collective double-flow flue (1) is installed in the technical duct (20) of the building and has evacuations of the individual combustion products (2) and a collective combustion fresh air supply (3) to serve heating or hot water production devices (4) supplied with liquefied gas fuel. The tapping (19) is connected to a concentric connecting duct (18) via a connecting duct (15) to lead the combustion air (3) to a combustion air nozzle of the device ( 4). The connecting duct (15) passes through the wall of the duct (20) or the exterior wall into the room where the device (4) is located via the orifice (8).

In certain embodiments, the nozzles (19) are cylindrical tubes, connected by welding to cylindrical sections (17) along the cutting axis of a hole made in said cylindrical section (17). The stitching (19) is therefore welded perpendicularly with a slope of at least 3% to the cylindrical section (17). The assembly thus produced is a T-shaped part.

In certain embodiments, the evacuations of the combustion products, that is to say the fumes, are carried out with flexible ducts (5) of plastic material, or of PVDF for operating temperatures of up to 160 ° C, or in PP for operating temperatures up to 120 ° C. The flexible conduits (5) serve individually the devices (4) connected to each floor (6) of the building.

In some embodiments, a wall bracket is placed on each cylindrical section (17) to hold the structure.

The space between the individual flexible ducts and the external duct is used to supply combustion air (3) to the heating or hot water production devices (4).

As depicted on [ Fig. 2 ] and [ Fig. 3 ], in some variant embodiments, a support (21), fixed to the lower end of the outer structure, maintains the outer structure.

As depicted on [ Fig. 4 ], in some embodiments, the inner rigid tube (22) serving as the discharge of the individual combustion products (2) is connected on the duct side directly to the individual flexible tube (5) for discharging the fumes by welding or to the 'using a specific part and, on the device side (4) to the smoke nozzle of the device via a concentric connection duct (18).

[ Fig. 5 ] is an illustrative and non-limiting embodiment of a terminal (9) without flexible pipes, on a flue.

As depicted on [ Fig. 5 ], the collective double-flow duct kit assembly has at its upper end a terminal (9) provided with smoke evacuation orifices.

In certain embodiments, the terminal (9) also comprises an inlet for combustion air from the duct (10) located under the smoke evacuation orifices. The individual combustion products (2) are evacuated through the smoke evacuation orifices of the terminal (9) and the terminal (9) is made integral with the last rigid tube (7c).

[ Fig. 6 ] is an illustrative and non-limiting embodiment of a terminal (9) with flexible pipes (5), on a flue.

As depicted on [ Fig. 6 ], the terminal (9) is located at the top of the system which receives all the flexible ducts (5) of each stage, each flexible duct (5) being held by a support (13) with a seal (14), the supports ( 13) being fixed with screws on the terminal (9). The terminal (9) comprises, below these outlets, the air inlet (10) for oxidizing the duct. The air inlet is through openings in the metal duct. The terminal (9) is further maintained by a retaining collar at the upper end of the outer structure and the rain tightness with respect to the building is achieved by a flashing (12).

In certain embodiments, an annular support (13) comprising in a groove a seal (14) maintains the flexible duct (5) on the terminal (9). The gasket also provides a seal between the smoke outlet and the combustion air inlet.

The invention therefore provides a collective double-flow smoke duct kit assembly comprising evacuations of the individual combustion products and a collective fresh combustion air supply to serve heating or hot water production appliances. This kit set being adaptable to all kinds of interior or exterior conduits.

The present application describes various technical characteristics and advantages with reference to the figures and / or to various embodiments. Those skilled in the art will understand that the technical features of a given embodiment can in fact be combined with features of another embodiment unless the reverse is explicitly mentioned or it is obvious that these characteristics are incompatible or that the combination does not provide a solution to at least one of the technical problems mentioned in the present application. In addition, the technical characteristics described in a given embodiment can be isolated from the other characteristics of this embodiment unless the reverse is explicitly mentioned.

It should be obvious to those skilled in the art that the present invention allows embodiments in many other specific forms without departing from the scope of the invention as claimed. Therefore, the present embodiments should be considered by way of illustration, but may be modified within the field defined by the scope of the appended claims, and the invention should not be limited to the details given above.

Claims (12)

Collective double-flow duct kit assembly (1) extending over several floors (6) of a building comprising at least one flexible pipe (5) for evacuating smoke introduced into an external structure made up of a plurality of rigid tubes or flexible and rigid tubes (7a, 7b, 7c) fitted into a plurality of rigid elements (17) comprising nozzles (19) fixed either in a duct, or a technical sheath (20), or on a face of the building, this external structure terminating in a siphon (11) at its lower end and at its upper end by a terminal (9) provided with smoke evacuation orifices and combustion air inlet openings and made integral with the last rigid tube (7c) by interlocking, each flexible duct (5) connecting each smoke outlet of the terminal (9) to the smoke outlet duct of a combustion appliance installed near to minus one orifice (8) and a connecting duct. A collective double-flow duct kit assembly (1) according to claim 1, characterized in that said at least one tapping (19) is connected to a combustion air nozzle of the device. Collective double-flow duct kit assembly (1) according to the preceding claims, characterized in that said at least one tapping (19) is a cylindrical tube, connected by welding to a cylindrical section (17) along the cutting axis a hole made in said cylindrical section (17). Collective double-flow duct kit assembly (1) according to one of the preceding claims, characterized in that at least one wall support is placed on each cylindrical section (17) in order to maintain the structure in the event that the structure outer is made of flexible tubes. Collective double-flow duct kit assembly (1) according to the preceding claims, characterized in that each flexible duct (5) is made of plastic. Double-flow collective duct kit assembly (1) according to claim 5, characterized in that said plastic material is PVDF for an operating temperature of up to 160 ° C or PP for an operating temperature of up to 160 ° C. up to 120 ° C. Collective double-flow duct kit assembly (1) according to the preceding claims, characterized in that an annular support (13) comprising in a groove a seal (14) maintains each flexible duct (5) on the terminal (9) . Collective double-flow duct kit assembly (1) according to the preceding claims, characterized in that a retaining collar maintains the terminal (9) at the upper end of the outer structure. A collective double-flow duct kit assembly (1) according to the preceding claims, characterized in that a flashing (12) arranged on the roof of the building and surrounding the upper end of the outer structure, seals the building. Double-flow collective duct kit assembly (1) according to claim 9, characterized in that each rigid tube (7a, 7b, 7c) is made either of rigid plastic or of flexible plastic or of rigid metal or of flexible metal. Collective double-flow duct kit assembly (1) according to Claim 10, characterized in that the rigid tube (7) composed of rigid metal or of flexible metal is made of galvanized steel or of stainless steel. A collective double-flow duct kit assembly (1) according to one of the preceding claims, characterized in that a support holding the outer structure is fixed to the lower end of the outer structure.

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