UA118769C2 - Tube radiator for heating and method for producing a tube radiator for heating - Google Patents

Abstract

A tube radiator (1) for heating comprises a pair of rails (2), provided with respective pluralities of holes (13) axially spaced apart from one another along the rails (2); and a plurality of tubes (3) positioned between the rails (2) and joined to the rails (2) at respective axial ends (21) of the tubes (3), inserted in respective holes (13); the ends (21) of the tubes (3) being fastened to the rails (2) via respective mechanical interference couplings (30); each coupling (30) is formed by a coupling portion (24) of a tube (3), at least partially tapered, and by a seat (14), formed in a hole (13) and in which the coupling portion (24) is inserted with radial interference; each coupling (30) is also sealed in a fluid-tight manner, for example by gluing.

Description

The field of technology

The present invention relates to a tubular radiator for heating and a method of manufacturing a tubular radiator for heating, in particular, of the "ladder" type.

Technical level

A tubular radiator, in particular, the well-known "ladder" type, generally consists of a set of tubes parallel to each other and installed between two risers (usually, but not necessarily, when used vertically). Hot water (or, less commonly, some other hot fluid) circulates in tubes and risers.

Tubular radiators for heating of this type can be made of different materials and using different methods.

In particular, aluminum radiators are usually manufactured by separately creating tubes and risers and then assembling the tubes and risers.

The attachment of the tubes to the risers must be such as to guarantee both an effective mechanical connection and an effective sealing against water.

It turned out that the known methods of attaching tubes to risers can be improved, especially from the point of view of ease and speed of assembly, as well as the reliability and service life of the connection.

The essence of the invention

One of the tasks of this invention is to propose a tubular radiator for heating and a method of manufacturing a tubular radiator for heating, which have advantages compared to known solutions, in particular, one of the tasks of the invention is to propose a tubular radiator for heating and a method of manufacturing a tubular radiator for heating, which allow attach tubes to risers in a simple, quick and efficient way.

Thus, the present invention relates to a tubular radiator for heating and a method of manufacturing a tubular radiator for heating, essentially defined in clauses 1 and 11

Formulas of the invention, respectively, as well as defined in the dependent clauses of the Formulas of the invention, in which the preferred additional features are indicated.

The invention makes it possible to attach tubes to the risers of tubular radiators for heating in an extremely simple, fast and efficient way compared to known solutions, providing both a mechanical connection and sealing against water in an absolutely satisfactory manner.

The invention also allows: - to reduce the size of the connections between the tubes and the risers, in particular, to reduce the depth of the seats in which the tubes are installed; - achieve high mechanical resistance, as the tube has increased resistance to compression and stretching; and - restore parts that are defective or defective.

The invention also makes it possible to significantly reduce defects in the areas of connection of tubes and risers.

The connection of tubes and risers according to this invention also provides great flexibility in manufacturing, allowing to manufacture radiators that have excellent hydraulic contours without the need to use additional steps in the manufacturing process.

In fact, by simply changing several design parameters and without applying additional processing stages or components, it is possible to optimize the geometry and heat exchange characteristics of the radiator, in particular, by changing the cross-sections in the areas of the connection of tubes and risers, which allows differentiating the flow of water in different areas of the radiator.

Brief description of the drawings

Additional features and advantages of this invention will become apparent when considering the following description of its implementation, which does not impose restrictions, with reference to the accompanying drawings, from which: - in Fig. 1 is a front view of a tubular radiator for heating according to the invention; - in Fig. 2 shows a general view with spatial separation and sectioning of parts for a part of the radiator in fig. 1, for which only parts of the riser and tube are shown; - in Fig. C and 4 show two longitudinal sections with a spatial separation of parts for a part of the radiator according to Fig. 1; - in Fig. 5 shows a longitudinal section of another part of the radiator on an enlarged scale

Fig. 1; - in Fig. 6 shows a longitudinal section of the part of the radiator according to Fig. 1, where the tube and riser are assembled; in Fig. 7 shows a longitudinal section of the part of the radiator according to Fig. 1, according to one of 60 modifications; and in Fig. 8 schematically shows the stage of the method of manufacturing a radiator according to this invention.

Detailed description of implementation options

In Fig. 1 shows a tubular radiator 1 for heating, in particular, of the so-called "ladder" type.

The radiator 1 contains a pair of risers 2 (usually, but not necessarily, when using vertical ones), essentially parallel and facing each other, and a plurality of tubes 3 installed between the risers 2 and essentially parallel to each other and perpendicular to the risers 2.

Tubes C are distributed in the longitudinal direction of risers 2, possibly with a different distance between them and/or with organization in groups.

If we turn to Fig. 2 - Fig. 4, each riser 2 contains a body 4 made of an extruded aluminum profile, which is elongated along the axis A.

The body 4 has a side wall 5 which delimits a longitudinal inner chamber 6 running along the axis A, preferably (but not necessarily) the side wall 5 has a massive longitudinal region 7 of the base, parallel to the axis A and facing the other riser 2, and a part 8, for example, bent or polygonal, which passes from the area 7 of the base around the axis A.

The region 7 of the base preferably has an outer surface 11, essentially flat and facing the other riser 2, and an inner surface 12 facing the chamber 6.

Each riser 2 is provided with a plurality of through holes 13, which are spaced from each other in the axial direction along the risers 2 and pass along respective axes B, perpendicular to the axis A. In part, the holes 13 are designed to pass through the area 7 of the base of the side wall 5 riser 2, from surface 11 to surface 12 and along the thickness of the area 7 of the base of the side wall 5.

Each hole 13 defines or contains a seat 14 for the installation of a tube 3. Thus, each riser 2 contains a sequence of seats 14, which are spaced from each other in its longitudinal direction to receive the respective tubes C and pass along the respective axes B.

Each hole 13 has a front entrance hole 15 made on the outer surface 11 of riser 2

Zo and provided with a chamfer or guide region 16, which narrows in the direction inside the hole 13.

Each hole 13 contains an outer part 17, which is adjacent to the hole 15 and defines a seat 14, and an inner part 18, adjacent to the camera 16; parts 17 and 18 are essentially cylindrical and parallel to the B axis (have a constant cross-section and diameter along the B axis) and differ in diameter, and the outer part 17 has a larger diameter than near the inner part 18; between the two parts 17 and 18 there is a narrowing 19, created by a change in diameter during the transition between parts 17 and 18; parts 17 and 18 are united by a collar 20 turned to the hole 15; the shoulder 20 can be a continuous ring shoulder around the B axis, or discontinuous, that is, formed by one or more sectors separated from each other; the shoulder 20, in fact, is perpendicular to the B axis and parallel to the outer surface 11 of the area 7 of the base of the side wall 5.

For simplicity, the axial ends of the risers 2, which may be provided with appropriate covers and/or connectors, are not shown or described.

Tubes 3 are formed by corresponding tubular bodies, which consist, for example, of extruded aluminum, like risers 2.

Each C-tube extends along the B-axis (when using the B-axis matching seat 14) from one to the other of the co-axially opposite ends 21, which have corresponding free annular end edges 22. Each C-tube contains a main central part 23, e.g. essentially cylindrical in shape (that is, having a constant cross-section and diameter along the axis B), and two connecting parts 24 located at the respective ends 21 and designed to be inserted into the corresponding holes 13 or, to be more precise, set in the corresponding seats 14 for connecting the tube C with the risers 2.

As shown in detail in Fig. 5, each connecting part 24 is made at least partially narrowed in the direction of the end 21 of the tube 3, in particular, the connecting part 24 contains, starting from the end 22, a conical zone 25, narrowed in the direction of the end 22, and a zone 26 of mutual influence, for example , essentially cylindrical in shape.

The conical zone 25 has, in fact, the shape of a truncated cone and an outer diameter that is initially (i.e., at the free end edge 22) smaller than the diameter of the seat 14 (i.e., the outer part 17 of the hole 13) to make it possible to install and center the tube C in seat 14, but larger than the diameter of the inner part 18 of the hole 13, so that the end 22 rests against the shoulder 20, if necessary (under other circumstances, as will be discussed below, the end 22 does not necessarily contact the shoulder 20).

The diameter of the interaction zone 26 is such that it can be connected to the seat 14 (that is, to the outer part 17 of the opening 13) with an interaction along the radius to connect the tube C to the riser 2 due to mechanical interaction. In the preferred case, the interaction zone 26 is essentially cylindrical, but can also have the shape of a truncated cone, like the conical zone 25.

In any case, the interaction zone 26 is a circumferential zone passing along the axis B and, when used, relates to a corresponding part of the inner circumferential surface of the seat 14, having the same shape, which is also preferably cylindrical; the connecting part 24 and the seat 14 are in contact with each other on respective rim surfaces that run along the axis B and, in the preferred case, which are both cylinders with the axis B, in other words, the mechanical interaction of the connecting part 24 and the seat 14 is not limited to the rim contact profile (line), but occurs on surfaces having a defined axial length (along the B axis).

Alternatively, as shown in FIG. 2 - fig. 5, the conical zone 25 and the interaction zone 26 are connected by a connecting zone 27, which tapers in the direction of the zone 25, but has a smaller taper than the zone 25.

Each end 21 of the tube C is attached to the riser 2 by means of a connection 30 with a mechanical mutual influence created by the connecting part 24, namely, the zone 26 of mutual influence, and the seat 14, that is, the outer part 17 of the hole 13, into which the connecting part 24 is inserted with mutual influence on the radius. The mechanical interaction of the connecting part 24 and the seat 14 occurs mainly in the interaction zone 26, but may also begin in the conical zone 25 and, in addition, may include the connecting zone 27, if necessary.

As shown in Fig. 6, each connecting part 24 is installed in the seat 14, while the corresponding end 22 is located opposite the shoulder 20 or is pressed against it; it is not necessary that all connecting parts 24 touch the flanges 20 - in reality, the tubes C may have slightly different lengths, within manufacturing tolerances, the longer tubes will abut the flanges 20, while the shorter tubes will be

To end next to the edges 20, since they will be blocked by mutual influence on the radius of the corresponding connecting parts 24 and seats 14, thus, the invention also allows to compensate for permissible deviations in the manufacture of tubes 3.

Each end 21, in addition, is rigidly fixed in the seat 14 by means of gluing, welding, thermoelectric fusion or some other bonding technology.

For example, each end 21 is additionally glued in the corresponding seat 14 by means of a layer 31 of adhesive applied between the outer side surface 32 of the connecting part 24 and the inner side surface 33 of the seat 14 (ie, the outer part 17 of the hole 13); the adhesive layer 31 is applied mainly to the conical zone 25 (so that it occupies the annular space between the inner side surface 33 of the seat 14) and to a lesser or residual extent to the interaction zone 26 (and possibly to the connecting zone 27); a layer 31 of adhesive is applied around the connecting part 24 in such a way as to create a continuous annular sealing element 34 which provides both a watertight seal and a mechanical seal between the connecting part 24 and the seat 14.

The adhesive in layer 31 is suitable for gluing together the materials from which risers 2 and tubes 3 are made, in particular, for gluing aluminum.

For example, the adhesive can be a heat-curable epoxy resin, examples of adhesives that can be used include the NuzoiF family of adhesives manufactured by Nepkei, or adhesives having similar characteristics.

In addition to the strong connection of the tubes 3 to the risers 2, the layers 31 of the adhesive also work as sealing elements with respect to water, forming the corresponding sealing elements 34.

As an optional option, the radiator 1 has distinct holes 13 in the longitudinal direction of the risers 2.

At least some of the holes 13 of each riser have a distinct taper 19 (with different cross-sections), depending on the position of the holes in the longitudinal direction of the riser 2.

For example, in Fig. 7 shows the hole 13, which has a larger taper 19 than the holes 13 shown in Fig. 3,4 and 6.

In the preferred case, the holes 13 have, in fact, the same external parts 17 (which define the seats 14), while their internal parts 18 have different diameters, depending on the position in the longitudinal direction of the riser 2.

The risers 2 preferably have corresponding groups of holes 13 with different internal parts 181, as a result, different tapers 19.

Thus, it is possible to set the flow of water in different holes 13 according to the position of the holes in the longitudinal direction of the risers 2 and, therefore, increase the efficiency of heat exchange.

As an optional option, the tubes C are provided with internal ribs 35 located inside the tubes C and the tubes 3, which extend from the respective inner side surfaces, for example, as shown by dotted lines in FIG. 5 and b, each tube C is provided with a plurality of longitudinal ribs 35, parallel to each other and the axis B of the tube C and created to pass along the radii of the circle centered on the axis B; however, it is clear that tubes C can be provided with ribs 35 of a different shape and location. Ribs 35 allow you to "capture" heat from the hottest areas of the fluid that circulates inside the tubes 3, and transfer this heat to the outer surfaces of the tubes 3.

The radiator 1 described above is preferably manufactured using the method described in detail below and mainly includes the following stages: - provide risers 2 and tubes 3; - collect tubes C and risers 2, installing the connecting parts 24 of tubes C in the corresponding seats 14, ensuring mechanical interaction and creating connections 30; - perform sealing of connections 30 relative to the fluid medium, for example, by gluing, welding, thermoelectric fusion or some other technology, for example, the step of sealing connections 30 includes the step of gluing each connecting part 24 in its associated seat 14, in particular, by gluing together the outer side surface 32 of the connecting part 24 and the inner side surface 33 of the seat 14.

In more detail, the radiator 1 is manufactured using the method of the present invention as follows.

Risers 2 and tubes 3 are made, preferably, both risers 2 and tubes C are made of

From aluminum (or aluminum alloy) by extrusion, as a result of which risers 2 and tubes C are formed by corresponding solid extruded tubular elements.

The holes 13, or more precisely, the outer parts 17 and the inner parts 18 of the holes 13, which have different diameters, are then obtained in the risers 2 by machine drilling, thus also forming the seats 14, the tapers 19 and the flanges 20.

By machining with material removal (e.g. machining on a lathe), the ends 21 of the C tubes are provided with connecting parts 24 of a suitable shape, in particular to create a conical zone 25, a zone of mutual influence 26 and, optionally, a connecting zone 27 .

This operation, with the exception of the supply of tubes with connecting parts 24 for connection with risers 2, allows to provide the necessary structural dimensions in an accurate and reliable manner, as well as to ensure a reduction in the range of permissible deviations for the part compared to the extrusion process.

An adhesive is then applied to obtain the adhesive layers 31, for example, the adhesive is applied to the seats 14, in particular, to the inner side surfaces 33 of the seats 14 (ie, to the outer parts 17 of the holes 13).

Immediately after applying the adhesive, the tubes C are connected to the risers at the assembly stage, which includes the following steps: - place the risers 2 against each other, while the corresponding surfaces 11 are turned to each other, and the positions of the corresponding sequences of seats 14 are agreed; - tubes C are placed between risers 2, and the position of each tube C is coordinated with the position of a pair of seats 14 formed in the corresponding risers 2; - install the connecting parts 24 of each tube C in the corresponding seats 14 of the risers 2; and - exert pressure on the risers 2 in the direction of each other with the introduction of connecting parts 24 in the corresponding seats 14 until each connecting part 24 is connected to the corresponding seat 14 due to mechanical interaction; depending on the length of each tube 3, the end 22 rests against the corresponding shoulder 20, or remains so that it is at a distance from it, if viewed in the axial direction (within the permissible deviations during manufacture).

For example, as schematically shown in Fig. 8, the risers 2 are installed on the corresponding guides 60 40A and 408, which are made with the possibility of moving relative to each other and parallel to each other, for example, the risers 2 are installed on the movable guide 40A, connected to the plunger 42 of the clamping device 43, and on the fixed guide 408.

Tubes C are installed on the frame 44, equipped with installation places 45, which contain tubes C in the required configuration, that is, at a distance from each other. The frame 44 is installed between the guides 40A and 408, while the position of the tubes C is coordinated with the position of the corresponding pairs of seats 14 on the uprights 2 located opposite each other.

All the tubes C are collected on the risers 2 in one step, with the help of a clamping device 43, which pushes the guides 40A and 40B towards each other (due to actuation, for example, of the plunger 42 connected to the movable guide 40A) and applies pressure, required for installing tubes C in risers 2, which leads to the creation of node 50.

For the node 50, formed by the risers 2 and the tubes 3, then perform the step of sealing the connections 30 to connect the tubes C with the risers 2 in a fluid-tight manner.

For example, assembly 50 is subjected to a heat treatment step, specifically a heat curing step, to allow polymerization/curing of the adhesive and thus complete the sealing against water and the creation of a mechanical seal for each connection 30.

As an alternative to gluing, the sealing step may include another process, for example, welding, in particular, laser welding, or thermoelectric fusion, without removing the material; welding or thermoelectric fusion is performed, without removing the material, along the peripheral edge 36 of the hole 15 to obtain a roller 37 made of the material of the tube C and/or riser 2 along the peripheral edge 36 (Fig. b); the roller 37 firmly connects the tube C with the riser 2 in a fluid-tight manner.

In any case, after the mechanical assembly is completed, the tubes C are already attached to the risers 2, thanks to the mechanical interaction of the connecting parts 24 and the corresponding seats 14, so that the assembly 50 can be easily handled without resorting to the use of additional means , in order to receive it and perform the further sealing stage for it.

If, as previously described, the radiator 1 has holes 13, which are different, in the longitudinal

From the direction of the risers 2, the stage of creating holes 13 in the risers 2 by machine drilling includes the stage of creating distinct holes 13 in the longitudinal direction of the risers 3, i.e., creating in the longitudinal direction of the risers 2 holes 13 having different tapers 19.

And, in conclusion, it is clear that further modifications and changes can be made for the tubular radiator for heating and the related manufacturing method described and illustrated here, which do not go beyond the scope of the clauses of the attached Formula of the invention.

Claims (26)

FORMULA OF THE INVENTION 1. A tubular radiator (1) for heating, which includes a pair of risers (2) provided with 40 corresponding sets of holes (13) which are spaced from each other in the axial direction along the risers (2) and have corresponding front inlet holes (15 ) on the outer surface (11) of the riser (2), and a plurality of tubes (3) located between the risers (2) and connected to the risers (2) at the corresponding axial ends of the tubes (3) inserted into the corresponding holes (13) , and the ends (21) of the tubes (3) are attached to the risers (2) by means of appropriate connections (30) with mechanical tension, while each hole (13) contains an outer part (17) adjacent to the hole (15) ) and defines the seat (14) and the inner part (18) adjacent to the longitudinal inner chamber (b) of the riser (2), while each connection (30) is formed by a connecting part (24) located on one end (21) of the tube (3) and at least partially narrowed in the direction of the end (21) of the tube (3), and the seat (14), 50 which bucket characterized by the fact that the connecting part (24) is installed in the seat (14) with radial tension, and the connecting part (24) and the seat (14) contact each other on the corresponding rim surfaces passing in the direction along the axis (B) of the tube (3), and made essentially cylindrical with respect to the axis (B), and also in that each connection (30) is, in addition, sealed with respect to the fluid medium, and each connecting part (24) 55 contains, starting from its free end edge (22), a conical zone (25), narrowed in the direction of the free end edge (22) of the connecting part, and, in fact, a cylindrical zone (26) of mutual influence, and the outer part (17) and the inner part (18) of each hole (13) are essentially cylindrical and parallel to the axis (B), have different diameters and are connected by an annular collar (20) turned to the hole (15), while the connecting part (24) and the seat (14) are in contact by means of the zone (26) of mutual influence and the outer part (17), which is, in fact, cylindrical, and the zone (26) of landing with tension is made with a diameter that provides the possibility of its location in the landing place (14) with radial tension, for connecting the tube (3) with the riser (2) due to mechanical interaction. 2. A radiator according to claim 1, in which each connection (30) is sealed against the fluid medium by means of a layer (31) of adhesive which is applied around the connection part (24) to create a continuous annular sealing element (34), or with the help of a roller (37) made of the material of the tube (3) and/or riser (2), which is located along the peripheral edge (36) of the opening (15) and which firmly connects the tube (3) to the riser (2) in a fluid-tight manner environment way. 3. Radiator according to claim 1 or claim 2, in which the shoulder (20) is made essentially perpendicular to the axis (B). 4. The radiator according to one of the previous items, in which the free end edge (22) of the connecting part (24) adjoins the shoulder (20). 5. A radiator according to one of the preceding claims, in which the conical zone (25) and the tension-fit zone (26) are connected by a connecting zone (27) which tapers in the direction of the conical zone (25) but has a smaller taper, than the conical zone (25). 6. The radiator according to one of the previous items, in which each end (21) is glued in a corresponding seat (14) using a layer (31) of adhesive applied between the outer side surface (32) of the connecting part (24) and the inner side the surface (33) of the seat (14) and located around the connecting part (24) to obtain a continuous annular sealing element (34). 7. The radiator according to one of the previous items, in which each hole (3) has a taper (19) between the outer part (17) and the inner part (18), and at least some holes (13) of each riser (2) have a distinct taper ( 19), that is, have different cross-sections, depending on the position of the holes (13) in the longitudinal direction of the riser (2). 8. The radiator according to claim 7, in which the outer parts (17) of the holes (13) are essentially the same, while their inner parts (18) have different diameters, depending on the position in the longitudinal direction of the riser (2). 9. The method of manufacturing a tubular radiator (1) for heating, which refers to the type that contains a pair of risers (2), provided with corresponding sets of holes (13), located at a distance of Zo from each other in the axial direction along the risers (2), and a set tubes (3) located between the risers (2) and connected to the risers (2) at the corresponding axial ends (21), inserted into the corresponding holes (13), and the method includes the following steps: providing a pair of risers (2) which having respective sets of holes (13) spaced apart in the axial direction along the risers (2) and having respective seats (14) for mounting the respective ends (21) of the tubes (3) and having respective front inlets ( 15) on the outer surface (11) of the riser (2), and each hole (13) contains an outer part (17) that adjoins the hole (15) and defines a seat (14) and an inner part (18) that adjoins to the longitudinal inner chamber (6) of the riser (2), and the outer parts and (17) and the inner part (18) of each hole (13) are, in fact, cylindrical and parallel to the axis (B), have different diameters and are connected by an annular collar (20) turned to the hole (15); provide a plurality of tubes (3) having respective connecting parts (24) located at respective ends (21) of the tubes (3) and at least partially narrowed in the direction of the respective ends (21) of the tubes (3), provide each connecting part (24) with at least one conical zone (25), narrowed in the direction of the free end edge (22) of the connecting part (24), and a zone (26) of mutual influence, essentially cylindrical in shape; assemble the tubes (3) on the risers (2) by installing the connecting parts (24) in the corresponding seats (14) through the corresponding front inlets (15) of the holes (13) and by connecting each connecting part (24 ) with the corresponding seat (14) due to mechanical interaction, thereby forming a corresponding connection (30) with mechanical tension, and the connecting part (24) is installed in the seat (14) with radial tension, and with the connecting part (24) and the seat (14) are in contact with each other on the corresponding rim surfaces, which pass in the axial direction along the axis (B) of the tube (3), and are made essentially cylindrical with respect to the axis (B), with at this stage of assembly to connect the tube (3) with the riser (2) due to mechanical interaction, the connecting part (24) and the seat (14) are brought into contact along the zone (26) of interaction and the outer part (17), which are essentially cylindrical, and the tensioned landing zone (26) has a diameter that allows you to place it in the seat (14) with radial tension; and seal the connections (30) relative to the fluid. 10. The method according to claim 9, in which each connection (30) is sealed against the fluid medium by means of a layer (31) of adhesive applied around the connection part (24) to create a continuous annular sealing element (34), or roller (37) from the material of the tube (3) and/or riser (2), which is formed along the peripheral edge (36) of the hole (15) and firmly connects the tube (3) to the riser (2) in a fluid-tight manner. 11. The method according to claim 9 or claim 10, in which the step of supplying the connecting part (24) with at least one conical zone (25) tapering in the direction of the free end edge (22) of the connecting part (24), and the zone ( 26) of mutual influence, essentially cylindrical in shape, is performed by mechanical processing with material removal. 12. The method according to any of claims 9-11, in which the shoulder (20) is made essentially perpendicular to the axis (B). 13. The method according to any one of claims 9-12, in which, at the stage of assembly, the connecting part (24) is inserted into the seat (14) until the free end edge (22) abuts the collar (20). 14. The method according to any one of claims 9-13, which includes a step in which, in particular, by machining with material removal, the connecting part (24) is provided with a connecting zone (27) that connects the conical zone (25) and zone (26) of mutual influence and narrows in the direction of the conical zone (25), but has a smaller taper than the conical zone (25). 15. The method according to any one of claims 9-14, in which the holes (13) are provided with an outer part (17) and an inner part (18) having different diameters by means of machine drilling. 16. The method according to any one of claims 9-15, which includes the first stage of mechanical processing of the tube (3), with the removal of material, intended to obtain the connecting part (24). 17. The method according to any one of claims 9-16, which includes the second stage of mechanical processing of the riser (2), intended for the formation of holes (13) on the riser (2). 18. The method according to any one of claims 9-17, in which the sealing step includes the step of gluing each of the ends (21) of the tubes (3) in the corresponding seat (14) using a layer (31) of adhesive applied between the outer side surface (32) of the connecting part (24) and the inner side surface (33) of the seat (14) and around the connecting part (24) to obtain a continuous annular sealing element (34). Zo 19. The method according to claim 18, in which the sealing step includes a heat treatment step to polymerize/cure the adhesive and thus complete the sealing of each joint (30) with respect to water. 20. The method according to any one of claims 9-17, in which the sealing step includes welding, in particular, laser welding, or thermoelectric fusion, without adding material, and welding or thermoelectric fusion is performed for each connection (30), without adding material from the outside, along the peripheral edge (36) of the opening (15) to create a roller (37) from the material of the tube (3) and/or riser (2) along the peripheral edge (36), and the roller (37) firmly connects the tube ( 3) with the riser (2) in a fluid-tight manner. 21. The method according to any one of claims 9-20, in which the assembly stage includes the following stages: place the risers (2) against each other, with coordination of the positions of the corresponding sequences of seats (14); place the tubes (3) between the risers (2) and coordinate the position of each tube (3) with the position of a pair of seats (14) made on the corresponding risers (2); install the connecting parts (24) of each tube (3) in the corresponding seats (14) of the risers (2); and exert pressure on the risers (2) towards each other, and push the connecting parts (24) into the corresponding seats (14) until each connecting part (24) is connected to the corresponding seat ( 14) due to mechanical interaction. 22. The method according to claim 21, in which the assembly stage includes the following stages: the risers (2) are installed on the corresponding guides (40A, 408), made with the possibility of moving relative to each other, and the tubes (3) - on the frame (44), equipped with installation places (45), which keep the tubes (3) in a predetermined configuration, at a distance from each other; install the frame (44) between the guides (40A, 408) with coordination of the position of the tubes (3) with the position of the corresponding pairs of seats (14) on the uprights (2) located opposite each other; and push the guides (40A, 408) towards each other and apply pressure to install the tubes (3) in the risers (2). 23. The method according to any one of claims 9-22, in which all the tubes (30) are collected on the risers (2) in one step. 24. The method according to any one of claims 9-23, in which each hole (3) has a taper (19) between the outer part (17) and the inner part (18), and which includes the step of creating, by machine drilling, the holes (13) in the risers (2) having distinct narrowings (19), i.e. having different cross-sections, depending on the position of the holes (13) in the longitudinal direction of the riser (2). 25. The method according to claim 24, in which the outer parts (17) of the holes (13) are essentially the same, while their inner parts (18) have different diameters, depending on the position in the longitudinal direction of the riser (2). 26. The method according to any of claims 9-25, in which the risers (2) and tubes (3) are made of aluminum or an aluminum alloy by extrusion. 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