MXPA99004538A - Ca exchange coil assembly - Google Patents

Abstract

The present invention provides a heat exchange coil assembly that makes it possible to elongate a heat conduction area within a limited volume by reducing a pitch between the heat exchange coils to a minimum level without providing a winding space. The heat exchange coil assembly comprises an inlet head in an edge section thereof, an inlet tube for the inlet of a heat exchange medium provided in a cylinder section of a heat exchange, a head of exit located with a space of the entrance head in an edge section thereof, and a plurality of heat exchange coils with the outlet pipe for the exit of a heat exchange medium of a cylinder section, head of entrance, and an exit head communicated with each other and having a common center line, in which the heat exchange coils are alternately linked on both sides of the entrance head and the exit head.

Description

ASSEMBLY OF COIL PE EXCHANGE HEAT BACKGROUND OF THE INVENTION The present invention relates to a heat exchange coil assembly, and very particularly to a heat exchange coil assembly for carrying out the heat exchange between a heat exchange medium accommodated in a cylinder of a heat exchanger. heat and a heat exchange medium flowing in the coil. The inventor of the present invention has proposed, as described in Japanese Patent Laid-Open Publication No. 8-54192, a heat exchange coil assembly in which a plurality of heat exchange coils are disposed having a different winding diameter so that it has a common center line. With such a heat exchange coil assembly the advantages are provided so that the heat exchange efficiency can be improved without enlarging the capacity of the heat exchanger cylinder, and so that the heat exchange capacity can be freely set. . In this type of heat exchange coil assembly, both edges of each of the heat exchange coils 28-1, 2, 3, 4 and 5 are attached to an internal head 22 and an external head 24 respectively. The connection is achieved by winding the heat exchange coils 28-1, 2, 3, 4 and 5 on the same side of the internal head 22 and the external head 24 against the center line BB thereof as shown in FIG. Figure 27. Due to such configuration, a pitch P 'between any of the attached heat exchange coils 28-1, 2, 3, 4 and 5, must be set to at least one value obtained by the addition of an amplitude 2a and a welding space 29 at an external diameter d of the heat exchange coils 28-1, 2, 3, 4 and 5, and said inconveniently required configuration hinders the realization of a heat exchange coil assembly of dimension small and compact.

OBJECT AND BRIEF DESCRIPTION OF THE INVENTION The present invention was made to solve the problems related to the conventional type of heat exchange coil assembly based on conventional technology as described above, and it is an object of the present invention to provide a heat exchange coil assembly which prevents a passage between the attached heat exchange coil tubes from enlarging due to the welding space for attaching an internal head and an external head to the heat exchange coil and can be installed in a space having a limited space due to said construction, and also having a large area of heat conduction. To achieve the object described above, the present invention provides a heat exchange assembly coil comprising a middle inlet member having an intermediate heat exchange inlet tube and an internal head, a middle outlet member having a tube of heat exchange medium outlet and one outlet head, and a plurality of heat exchange coil each communicating the inlet head to the outlet head and having a different diameter, and the heat exchange coil is You can install inside a section of! cylinder of a heat exchanger and characterized in that each of the heat exchange coils is attached to the inlet heads and to the outlet heads alternately located on opposite sides against a center line of each head. The present invention is characterized in that the inlet heads and the outlet heads are located on both sides of a common center line of the heat exchange coils. The present invention is characterized in that the inlet heads and the outlet heads are located on one side of the common center line of the heat exchange coils. The present invention is characterized in that a plurality of input heads and a plurality of output heads are joined to an inlet tube and an outlet tube respectively and the inlet heads and the outlet heads are joined together with a coil of heat exchange respectively. The present invention is characterized in that the inlet pipe and the outlet pipe comprise first and second inlet pipes and first and second outlet pipes respectively, the extremities of the entry heads of the first and second input heads do not unite communicatively with each other, the ends of the exit heads of the first and second outlet tubes are not communicating with each other, and also the heat exchange coil groups are arranged between the inlet head and the first inlet head and the outlet head of the first outlet head and between the inlet head of the second inlet tube and the outlet head of the second inlet tube. second outlet pipe respectively. The present invention is characterized in that a group of heat exchange coils corresponding to the first inlet pipe and the first outlet pipe and a group of heat exchange coils corresponding to the second inlet pipe and the second outlet pipe are different from each other in terms of the length of the coil and the diameter of the coil. The present invention is characterized in that the heat exchange coils are joined to the first and second inlet heads alternately, and also are joined to the first and second outlet heads in an alternating manner. The present invention is characterized in that the ends of the first and second outlet heads of the first inlet tube are not communicably joined to the first and second inlet heads of the second inlet tube, the ends of the first and second heads of outlet of the first outlet tube are not communicably connected to the ends of the first and second outlet heads of the second outlet tube, and also because the heat exchange coil groups are disposed between the first and second input heads of the first inlet pipe and the first and second outlet heads of the first outlet pipe and between the first and second inlet heads of the second inlet pipe and the first and second outlet heads of the second outlet pipe respectively. The present invention is characterized in that a group of heat exchange coils corresponding to the first inlet pipe and the first outlet pipe and a group of heat exchange coils corresponding to the second inlet pipe and the second outlet pipe are different from each other in terms of the length of the coil and the diameter of the coil. The present invention is characterized in that, in a heat exchange coil assembly installed in a cylinder section of the heat exchanger and comprising a middle inlet member having an inlet tube and an inlet head to allow entry and a means of heat exchange, a middle outlet member having an outlet tube and an outlet head to allow the exit of a heat exchange medium, and a plurality of heat exchange coils, each communicating the head of the heat exchanger. Inlet to the outlet head and having a different winding diameter, the middle inlet member and the middle outlet member are joined and located in positions close to each other. The present invention is characterized in that the inlet head and the outlet head are located in a single tube and are formed with separate chambers with one division. The present invention is characterized in that the heat exchange coils have the same length. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a front view showing a first embodiment of the present invention; Figure 2 is a plan view showing the same; Figure 3 is a partially sectioned view showing the same cut along line 3-3 in Figure 1 and viewed from a direction indicated by the arrow; Figure 4 is a general diagram showing a second embodiment of the present invention; Figure 5 is - a general diagram showing a third embodiment of the present invention; Figure 6 is a general diagram showing a fourth diagram of the present invention; Figure 7 is a cross-sectional view showing a fifth embodiment of the present invention; Figure 8 is a plan view showing the same; Figure 9 is a front view showing a sixth embodiment of the present invention; Figure 10 is a plan view showing the same; Figure 11 is a front view showing a seventh embodiment of the present invention; Figure 12 is a cross-sectional view showing an eighth embodiment of the present invention; Figure 13 is a plan view showing the same; Figure 14 is a front view showing a linking section of a head thereof; Figure 15 is a partially sectioned cross-sectional view showing a ninth embodiment of the present invention; Figure 16 is a plan view showing the same; Figure 17 is a front view showing a tenth embodiment of the present invention; Figure 18 is a plan diagram showing the same; Figure 19 is a front view showing an eleventh embodiment of the present invention; Figure 20 is a plan view showing the same; Figure 21 is a cross-sectional view showing a twelfth embodiment of the present invention cut along line 21-21 in Figure 22 and viewed from a direction indicated by the arrow; Figure 22 is a plan view showing the same; Figure 23 is a cross-sectional view showing a thirteenth embodiment of the present invention cut along line 23-23 in FIG. 24 and viewed from a direction indicated by the arrow; Figure 24 is a plan view showing the same; Fig. 25 is a vertical cross-sectional view showing a heat exchanger in which the heat exchange coil assembly according to the present invention is applied; Figure 26 is a side cross sectional view showing the same; and Figure 27 is a partially sectioned plan view showing a link section between a heat exchange coil and an inlet tube and an outlet tube in a heat exchange coil assembly similar to the above according to the present invention but based on conventional technology.

DETAILED DESCRIPTION OF THE MODALITIES The description is made hereinafter for the embodiments of the present invention with reference to the related drawings. In a first embodiment of the present invention shown in Figures 1 to 3, the reference number 1 indicates a heat exchange coil assembly 1, and in said heat exchange coil assembly 1 an inlet 2 is provided in a lower edge and an inlet tube 3 in a posture substantially perpendicular to it and an outlet head 4 is provided in a lower edge of a tube of exit 5 in a posture substantially perpendicular to it. The inlet pipe 3 and the outlet pipe 5 are located parallel to each other, and the inlet head 2 and the outlet head 4 are located with a space between them in the center line C-C of the inlet pipe 3 as well as the outlet tube 5. A plurality of output flow ports 6-1, 3, 5 and 6-2, 4 (five holes in said mode) are provided in the peripheral wall of the inlet head 2 in both sides of the center line of it with a specified step. The output flow ports 6-1, 3, 5 having a non number are located on one side of the center line BB of the input head 2, and the output flow ports 6-2, 4 having an even number are located on the other side of the center line BB. Similarly, the input flow ports 7-1, 3, 5 are located on one side of the center line B'-B 'of the output head 4 and the input flow ports 7- 2, 4 are located on the other side of the center line B'-B '. A heat exchange coil group 8 comprising a plurality of heat exchange coils 8-1, 2, 3, 4, 5 (five pieces in this embodiment) is located between the inlet head 2 and the outlet head 4. Each of the heat exchange coils 8-1, 2, 3, 4, 5 has a different winding diameter and a common center line CC, and is formed by the winding of a wire around a pipe of heat conduction made of such material as a copper tube, a steel tube, a specific steel tube or the like in conventional technology. In the heat exchange coils that make up the group 8, both edges of each of the heat exchange coils 8-1, 3, 5 having a number non respectively are linked to the output flow ports 6-1, 3, 5 which have a non ia number input head 2 as well as the input flow ports 7-1, 3, 5, the input flow ports 7-1, 3, 5 each having a non number in the output head 4 respectively. Both edges of the heat exchange coils 8-2, 4 having an even number are linked to the output flow ports 6-2, 4 which have an even number on the input head 2 as well as the flow ports input 7-2, 4 having an even number at the output head 4 respectively. As described above, both edges of each of the heat exchange coils 8-1, 3, 5 and 8-2, 4 are linked alternately on both sides of the center line BB of the input head 2 as well as at the outlet head 4, and due to said configuration, a flow exiting from the outlet head 2 through the heat exchange coils 8-1, 3, 5 and 8-2, 4 flows in an opposite direction to a flow direction of a fluid in the outlet head 4. The heat exchange coil assembly 1, as described above, is installed within a cylinder section 22 in which a second heat exchange means is accommodated. heat 27 comprising a gas or a liquid for a heat exchanger 21 shown in figure 25 and figure 26 described later. A first heat exchange means comprising a gas or a liquid for exchanging heat with the second heat exchange means 27 is introduced as a downflow through the inlet pipe 3 into a cylinder section 22. In this step, the first heat exchange medium flows through the outlet ports 6, 2, 3, 4, 5 in the inlet head 2 into the heat exchange coils 8-1, 2, 3, 4 and 5, and flows upwards in a spiral form in said heat exchange coils 8-1, 2, 3, 4 and 5. The first heat exchange medium exchanges the heat with the second heat exchange medium. in the cylinder section 22 by a wall thereof as it flows in the heat exchange coils 8-1, 2, 3, 4, and 5, and furthermore flows through the inlet flow ports 7-1, 2 , 3, 4, and 5 in the outlet head 4, and then discharged via the outlet tube 5 from the cylinder 22 and sent to a load. With the heat exchange coil assembly 1, as described above, in the heat exchange coils 8-1, 2, 3, 4 and 5 adjacent to each other in the winding section of the outlet flow ports 6 -1, 2, 3, 4, 5, and the input flow ports 7-1, 2, 3, 4, 5, those that have a non number and those that have an even number are located on opposite sides of the center line BB and B'-B 'of the inlet head 2 as well as the outlet head 4, so that the heat exchange coils 8-1, 2, 3, 4 and 5 attached to each other in this section of liaison are separated from each other.

Due to the configuration, as shown in Figure 3, other than the heat exchange coil assembly based on conventional technology, no additional space is required for welding 2a, and a passage between two adjacent spaces of the coils of heat exchange 8-1, 2, 3, 4 and 5 can be done even! to an external diameter d of each of the heat exchange coils 8-1, 2, 3, 4 and 5. In said embodiment, there are five heat exchange coils 8, but the configuration is not limited to the present, and the heat exchange efficiency can be freely set by selecting a number of heat exchange coils according to what is required, which makes it possible for the heat exchange coils to be applied in the heat exchangers having several heat exchangers. sizes from a small scale to a large scale. Figure 4Fig. 5 and Fig. 6 show exit lines of the second, third and fourth embodiments of the present invention, and in each of said embodiments the inlet tube 13 locates outside the heat exchange coil group 8 (in the external side of a coil having the maximum winding diameter), the outlet pipe 5 is located within the group of heat exchange coil 8 (on the inner side of a coil having a minimum winding diameter). In the third embodiment shown in Figure 5, the inlet tube 13 locates within the heat exchange coil group 8. In the fourth embodiment shown in Figure 6, the inlet tube 3 and the outlet tube 5 are located outside the group of heat exchange coil 8.

As described above, the inlet tube 3 and the outlet tube 5 are located in various ways. Said modalities are different from the first modality only in the points described above, so that the detailed description thereof are omitted herein. Figure 7 and Figure 8 show a fifth embodiment of the present invention, and said different embodiment of the first to the fourth embodiment at the point at which the entry head 2 and the exit head 4 are located on one side of the center line CC of the heat exchange coil group 8. Due to the arrangement described above, a winding number in the heat exchange coil group 8 is n (n: integral number ). A number of turns in the heat exchange coil group in the first to fourth embodiments of the present invention is n + 0.5, while in the fifth is, which maintains a material for the heat exchange coil, and the fifth modality is different from the first to fourth modalities also at this point, but is the same to the first to fourth modalities at other points, so that the detailed description thereof is omitted here. Figure 9 and Figure 10 show a sixth embodiment of the present invention, and in this embodiment, the first and second heads 2-1, 2 are provided in parallel with each other in the inlet tube 3, and the flow ports of output 6-2, 4 each have an even number that is provided in the second input head 2-2. Similarly, the first and second output heads 4-1, 2 are provided in parallel with each other in the outlet tube 5, and in the inflow ports, each having a non-number, are provided in the first output head 4-1, while the input flow ports having an even number are provided in the second output head 4-2. The heat exchange coils 8-1, 2, 3, 4, and 5, the heat exchange coils 8-1, 3, and 5 that have a non number are linked to the 6-1 input flow ports, 3, 5 each having a number non in the first input head 2-1 as in the input flow ports 7-1, 3, 5 each having a number non in the first output head 4- 1 respectively, and both edges of the heat exchange coils 8-2, 4 each having an even number are linked to the output flow ports 6-2, 4 each having an even number of the second head input 2-2 and the input flow ports 7-2, 4 of the second output head 4-2 respectively. Given the heat exchange coils 8-1, 2, 3, 4, and 5 are connected to the first and second input heads 2-1, 2-2 as well as to the first and second output heads 4-1 and 4-2, as described above, a flow direction of a fluid of the heat exchange coils 8-1, 2-, 3, 4, 5 is different from the above in each of the one to four modes, the same as in the modes, but one step P between each of the heat exchange coils 8-1, 2, 3, 4, 5, and each of the heat exchange coils 8-1, 2, 3 , 4, 5, in a linking section between the first and second input heads 2-1, 2, and the first and second output heads 4-1, 2 in the same as in the first and fourth modes, and it is not necessary to provide additional space for the winding, and step P may be equal to an external diameter d of each of the heat exchange coils 8-1, 8-2, 8-3, 8-4 and 8-5. Figure 1 1 shows a seventh embodiment of the present invention, and this embodiment is the same as the sixth embodiment shown in Figure 9 and Figure 10 at the point where the first and second centered heads 2-1, 2 are provided in the inlet tube 3, but it is different from the sixth mode at the point where the inlet heads 2-1, 2 and the outlet heads 4-1, 2 are connected to different heat exchange coils 8- 1, 2 respectively, and there is no point other than that described above, that although there are two pairs of heads 2-1, 2 and heads 4-1, 2 and two heat exchange coils 8-1, 2, another number of pairs it can be provided in said modality. Figures 12, 13, 14 show an eighth embodiment of the present invention, and in this embodiment, the edge sections of the first inlet head 2-1 and the second inlet head 2-2 and the edge sections of the first output head 4-1 and the second output head 4-2 in the second embodiment shown in figure 4 as well as in the third embodiment shown in figure 5 are interconnected and closed with link plates 1 1 and 12 and further the first and second inlet tubes 3-1, 2 and the first and second outlet tubes 5-1, 2 are provided therein.

Due to the configuration described above, the first inlet pipe 3-1 and the first outlet pipe 5-1 are provided outside the second inlet pipe 3-2 and the second inlet pipe 5-2, and the first inlet pipe inlet 3-1 and the first outlet tube 5-1 inlet or outlet of a fluid for a loading system X, while the second inlet tube 3-2 and a second inlet and outlet tube 5-2 of a fluid for the other charging system Y. In this mode, the heat exchange coils 8-1, 2, 3 4, 5 communicated to the charging system X and the heat exchange coils communicated to the charging system Y can be different or identical coil lengths or coil diameters respectively, and the coil length and the bobbin diameter are decided from according to the calorie required in each of the loading systems X and Y. Figure 15 and Figure 16 show a ninth embodiment of the present invention, and in this embodiment, the heat exchange coil assembly assemblies in accordance with with the sixth modality shown in figure 9 they combine to respond to two charging systems X and Y simultaneously. In this embodiment, the first and second inlet tubes 3-1, 2 and the first and second outlet tubes 5-1, 2, and edge sections of the first inlet heads 2-1, 2 and 2 are provided. the second inlet heads 2-3, 4 in the first and second inlet tubes 3-1, 2 and the edge sections of the first inlet heads 4-1, 2 and the second outlet heads 4-3, 4 they are interconnected and closed with link plates 1 1, 12 respectively. Also in this embodiment, as in the eighth embodiment, a coil length and a coil diameter of each of the heat exchange coils 8-1, 2, 3, 4 and 5 communicated to the charging system X can be equal to or different from those of each of the heat exchange coils 8-6, 7, 8 and 9 communicated to the load system Y, the factors are decided according to a required calorie in the X or Y load system Figure 17 and Figure 18 show a tenth embodiment of the present invention, and in this embodiment, as in the first embodiment, the inlet head 12 is provided in a lower edge section of inlet tube 3 in a posture substantially perpendicular to it, and also the inlet head 4 is provided in a lower edge section of outlet tube 5 in a posture substantially perpendicular to it. The inlet tube 3 and the inlet head 2 and the outlet tube 5 and the outlet head 4 are joined and provided in parallel with each other, and the inlet flow ports 6-1, 2, 3, -are provided in the input head 2 and the input flow ports 7-1, 2, 3 in the output head 4 respectively. And, the inlet flow ports 6-1, 2, 3 in the inlet side head 2 and the outlet flow ports 7-1, 2, 3 in the outlet head 4 are attached to the exchange coils of heat 8-1, 2, 3 respectively, and the heat exchange between fluids is carried out online in other embodiments. Figure 19 and Figure 20 show an eleventh embodiment of the present invention, said embodiment being different from the tenth embodiment only at the point where each of the heat exchange coils 8-1, 2, 3 is wrapped in an intermediate section of them, and is not different from the other in other points. Figure 21 and Figure 22 show a twelfth embodiment of the present invention, while Figure 23 and Figure 24 show a thirteenth embodiment and a fourteenth embodiment of the present invention respectively, and in said embodiments, two tube assemblies of inlet 3 and the inlet head 2 and the outlet tube assemblies 5 and outlet head 4 are provided in the first embodiment, and in addition the first and second inlet tubes 3-1, 2, the first and second heads input 2-1, 2, and the first second output tubes 5-1, 2 and the first and second output heads 4-1, 2 are provided so that the assemblies are provided with a space between them in the peripheral direction with the heat exchange coils 8-1, 2 provided on the inner side and the heat exchange coils 8-3, 3 on the outer side, and both edges thereof are connected to the first and second input heads 2-1, 2 as well as the first and second output heads 4-1, 2 respectively. Figure 25 and Figure 26 show a heat exchanger 21 in which the heat exchange coil assembly 1 is applied in accordance with the present invention, and in this heat exchanger 21, a furnace cylinder 23 is provided under a cylinder section 22 of said heat exchanger 11, and a furnace chamber 24 is provided therein.

A combustion chamber 25 is installed in the furnace chamber 24, the operations of the combustion chamber are controlled by a thermostat, a gas in the furnace chamber 24 is heated by a flame generated therein, the heated gas heats the water in the cylinder section 22 through the walls of the convector tubes 28, 29 at a pre-set temperature, and then the gas is discharged by a discharge tube 31 outwards. The cylinder section 22 is communicated via a conduit 32 to a water supply tank 33 with a ball cap 34 provided in the water supply tank 33, and the water supply is carried out by a supply pipe of water. water so that a liquid surface of water reserved in it is maintained at a constant level. A gas chamber 37 is formed above a liquid surface in the cylinder section 22, and a gas in said gas chamber 37 is released to the atmosphere by a conductor 38, the water supply tank 33, and a pipe. Release 39. With said construction, the reserved water 27 is heated under a pressure lower than atmospheric pressure, and also the temperature is maintained below the boiling point (100 ° C). In this example, the heat exchange coil assembly 1 is connected to a charging system such as a heating system, a hot water supply unit, a bath, or a pool not shown therein. The above embodiments were described only for the understanding of the present invention, and the present invention is limited to the modes, and various configurations are allowed in which, for example, the outlet pipes and the inlet pipes are used in the Inverse, a heating means and a heat receiving means are reversibly used, or a heat exchanger using a heat exchange coil assembly therein is not of a vertical type, but of a flat type.

Claims (12)

NOVELTY OF THE INVENTION CLAIMS

1. - A heat exchange coil assembly comprising: a middle inlet member having an inlet tube and an inlet head for the inlet of a heat exchange means; a middle outlet member having an outlet tube and an outlet head for the exit of a heat exchange means; and a plurality of heat exchange coils each communicating the inlet head with the outlet head and having a different coil diameter; said heat exchange coil assembly accommodated in a cylinder section of a heat exchanger; wherein the heat exchange coils have a common center line and align alternately to opposite sides of the center lines of the heads.

2. The heat exchange coil assembly according to claim 1; further characterized in that the inlet head and the outlet head are located on both sides of the common center line of the heat exchange coils.

3. The heat exchange coil assembly according to claim 1; further characterized in that the inlet head and the outlet head are located on one side of the common center line of the heat exchange coils.

4. - The heat exchange coil assembly according to claim 1; further characterized in that a plurality of inlet heads and a plurality of outlet heads are connected to an inlet tube and an outlet tube respectively, and the inlet heads and outlet heads are linked together with the exchange coils heat respectively.

5. The heat exchange coil assembly according to claim 2; further characterized in that the inlet tube and the outlet tube comprise first and second inlet tubes and first and second outlet tubes respectively; the ends of the inlet heads of the first and second inlet tubes are not communicably joined together and also the ends of the outlet heads of the first and second outlet tubes are not communicably joined, and also the groups of Heat exchange coils are located between the inlet head of the first inlet pipe and the outlet head of the first outlet pipe and between the inlet head of the second inlet pipe and the outlet head of the second outlet pipe respectively.

6. The heat exchange coil assembly according to claim 5; further characterized in that the heat exchange coil group for the first inlet pipe and the first outlet pipe is different to the heat exchange coil groups for the second inlet pipe and the second outlet pipe in terms of the length of the coil and the diameter of the coil.

7. - The heat exchange coil assembly according to any of claims 1 to 6; further characterized in that the heat exchange coils are alternately linked to the first inlet head and the second inlet head and are also alternately linked to the first and second outlet heads.

8. The heat exchange coil assembly according to claim 7; further characterized in that the ends of the first and second input heads of the first inlet tube are not communicably joined to the first and second inlet heads of the second inlet tube, the ends of the first and second outlet heads of the first inlet tube. outlet do not bind communicably to the ends of the first and second outlet heads of the second outlet tube, and the heat exchange coil groups are located between the first and second entry heads of the first inlet tube and the first and second second exit heads of the first exit tube and between the first and second entry heads of the second entry tube and the first and second exit heads of the second exit tube respectively.

9. The heat exchange coil assembly according to claim 8, further characterized in that rainwater harvesting sections are formed in the roof sections of building frames for a heat exchange coil group to have the inlet pipe and the first outlet pipe as well as for a coil group heat exchange for the second inlet tube and the second outlet tube, and the two heat exchange coil groups are different from each other in terms of the length of the coil and the diameter of the coil.

10. A heat exchange coil assembly comprising: a middle inlet member having an inlet tube and an inlet head to allow the entry of a heat exchange medium; a middle outlet member having an outlet tube and an outlet head to allow the exit of a heat exchange means; and a plurality of heat exchange coils communicating the inlet head to the outlet head and having a different winding diameter; further characterized in that the middle inlet member and the middle outlet member are located adjacent to each other.

11. The heat exchange coil assembly according to claim 10; further characterized in that an entry head and an exit head comprise chambers formed in a single tube and separated from each other with a division.

12. The heat exchange coil assembly according to claim 10 or claim 11; further characterized in that the heat exchange coils have the same length.