A heat exchange device and a method for installing the same in a building

Abstract

A heat exchange device comprises a mounting base plate 1, a heat exchanger 2, a fixed mounting plate 3, a temperature control layer 4, and a functional panel 5. The mounting base plate 1 has a groove in the middle, and a heat reflector is arranged in the groove; the heat exchanger 2 is arranged on the surface of the heat reflector and fixedly mounted on the mounting base plate 1 through the positioning mounting plate 3; the temperature control layer 4 is installed on the heat exchanger 2 and the fixed mounting plate 3; and the functional panel 5 is installed on the upper surface of the temperature control layer. The water inlet end 2.2 and the water outlet end 2.3 of the heat exchanger are respectively installed with an outer cone joint 7 and an inner cone hole joint 8, and the outer cone joint 7 and the inner cone hole joint 8 are connected to the heat exchanger through a bellows connector 6.

Description

Technical Field

[0001] The present invention provides a heat exchange device in a building, specifically relates to a heat exchange device which can save water heater energy and utilize residual heat in waste water, and belongs to the technical field of comprehensive utilization of energy in buildings. Background Art

[0002] The following heat exchange devices are known in the prior art.

[0003] CN202420229U discloses a bathroom exchange device, including a water tank installed in the bathroom, at least one water outlet is arranged on the ground of the water tank, a first pipe is laid in the water tank, a water inlet end of the first pipe is connected to a second pipe located outside the water tank, and a water inlet end of the first pipe is connected to a third pipe located outside the water tank, an upper cover corresponding to the shape of the upper end surface of the water tank is placed on the upper end of the water tank, and at least one water inlet is arranged on the upper cover.

[0004] CN203798201U discloses a shower energy saver, which comprises a water tank, a heat exchanger placed in the water tank, and a shower pedal arranged on the top of the water tank; a plurality of water holes are opened on the shower pedal, the water inlet end of the heat exchanger is used to communicate with the water outlet end of the pipe network, and the water outlet end of the heat exchanger is used to communicate with the water inlet end of the water heater or the cold water end of the shower; a connecting pipe is arranged in the water tank, the water inlet end of the connecting pipe is located at the bottom of the water tank, and a drain bottom valve is arranged at the bottom of the water tank.

[0005] It can be seen from the prior art that the above patent documents all solve the problem that waste water is directly discharged into the sewer during showering, thereby wasting heat energy in the waste water. However, the above documents only consider the situation after showering, and do not consider the energy waste of hot water in the entire shower system; and the above patent documents require the installation of large structures such as water storage tanks, which inevitably leads to a complex structure of the heat exchange device, which is difficult to install in the actual building structure. In addition, it is well known that the heat content of hot water after showering is not large, so the utilization rate of heat energy in the hot water after use is not high. Summary of the invention

[0006] Therefore, the purpose of the present invention is to eliminate the shortcomings of the prior art and to improve the utilization rate of heat in the shower system to achieve the technical effect of saving energy; and the present invention also aims to provide a heat exchange device with a simple structure, improve the installation efficiency of the heat exchange device, make the installation of the heat exchange device more convenient, and reduce the installation and use costs.

[0007] In order to achieve the above technical effects, the present invention adopts the following technical solutions:

[0008] In one aspect, the present invention relates to a heat exchange system in a building, comprising at least one heat exchange device and at least one other temperature processing device. The heat exchange device is used to exchange heat between heating and / or cooling fluids passing through heat exchange elements (such as heat exchangers) in the building; the other temperature processing device is used to maintain temperature balance and provide other functions to the system. In this way, the utilization capacity of heat energy in the entire heat exchange system is improved.

[0009] The above-mentioned heat exchange device is generally used in bathrooms and installed in a flat manner, but it is not excluded that it can also be installed vertically close to the wall, and can also replace floor tiles or ceramic tiles in the construction field and be directly installed on the surface of the building.

[0010] Therefore, according to the first aspect of the present invention, a heat exchange method that utilizes energy in a reasonable and efficient manner is provided, including a hot water generating device, such as an electric / gas water heater, a hot water outlet pipe extending from the water heater, and a heat exchange system connected to the hot water outlet pipe, wherein the heat exchange system has at least two of the above heat exchange devices, and the at least two heat exchange devices are connected in series through pipe joints. Specifically, the heat exchange device has a mounting base plate, a heat exchanger is arranged on the mounting base plate, a temperature control layer is arranged on the heat exchanger, and a functional panel is arranged on the temperature control layer; the heat exchanger has a water inlet port and a water outlet port; and also has a pair of quick-connect joints, the pair of quick-connect joints consisting of an outer conical joint and an inner conical joint.

[0011] Furthermore, since plastic has good thermal insulation performance and is light and easy to process, the installation base plate of the heat exchange device is preferably made of plastic. The above-mentioned installation base plate can be made by injection molding, molding and other processes, and a heat exchanger, a temperature control layer and a positioning boss structure are arranged on the installation base plate. Furthermore, a heat reflective material layer is arranged on the surface of the installation base plate, and the above-mentioned heat reflective material layer can be selected as an EVA sheet with aluminum foil attached, an EVA sheet coated with heat reflective paint, or heat reflective paint can be directly sprayed on the installation base plate. In the above manner, the ability of heat to radiate outward can be improved, which greatly reduces the problem of heat radiating from the base plate, thereby causing energy waste.

[0012] Furthermore, the heat exchanger is preferably a serpentine heat exchanger, a spiral heat exchanger or an array heat exchanger, and the material is preferably copper or aluminum with good thermal conductivity.

[0013] Furthermore, the outer conical joint and the inner conical hole joint are connected to the heat exchanger through a metal bellows. The bellows has excellent flexibility and directional adjustability. The bellows connection facilitates the connection of the outer conical joint and the inner conical hole joint when installing the heat exchange device, avoiding damage to the heat exchange device caused by hard connection. The bellows is connected to the outer conical joint and the inner conical hole joint through oil pipe bolts, clamps or welding; similarly, the bellows can be connected to the heat exchanger through clamps or welding.

[0014] Furthermore, when two heat exchange devices are connected, the connection is made through the above-mentioned pair of quick-connect joints. The outer conical joint and the inner conical hole joint have a pair of structures that can cooperate with each other. The outer conical joint has a tubular body, and an outer conical surface is provided at the end of the outer conical joint. A protrusion and a tubing nut are provided at the intersection of the outer conical surface and the outer cylindrical surface of the tubular body. The tubing nut is sleeved on the cylindrical surface section of the outer conical joint, wherein the protrusion is sleeved in the tubing nut; the inner conical hole joint has a matching inner conical hole corresponding to the outer conical surface of the outer conical joint. A threaded boss is provided on the outer surface of the conical surface end of the inner conical hole joint, wherein an inner thread that cooperates with the tubing nut is provided on the outer circumferential surface of the threaded boss. When the outer conical surface is inserted into the inner conical hole, the tubing nut is tightened, so that the water inlet port and the water outlet port can be conveniently and firmly connected. More preferably, at least one circle of grooves is arranged on the outer conical surface along the circumferential direction, and a sealing ring is arranged in the groove; or a sealing ring is arranged between the protrusion of the outer conical surface joint and the threaded boss of the inner conical hole joint. By setting the above sealing ring, it can be ensured that the whole system has good sealing performance.

[0015] Furthermore, the temperature control layer mainly includes phase change heat storage materials, preferably composite phase change heat storage materials, with boron mud as the base material, adding suitable coupling agents, inorganic phase change heat storage materials, organic phase change heat storage materials, and additive materials for heat conductivity adjustment. The present invention further discloses a ratio of a composite phase change material, including the following materials by weight: 25-30 parts of basic material boron mud; 18-23 parts of coupling agent; 28-33 parts of inorganic phase change heat storage materials Glauber's salt, 23-29 parts of soda, and 18-22 parts of potassium hydrofluoride; 8-13 parts of organic phase change heat storage materials pentaerythritol and 10-14 parts of trishydroxymethylaminomethane; additive materials for heat conductivity adjustment include 15-19 parts of graphite, 8-10 parts of carbon fiber, and 5-9 parts of paraffin. By composite pressing of the above materials, a solid composite phase change heat storage material is obtained, and the temperature control material layer is made of the above solid composite material.

[0016] Of course, the method of making the temperature control material layer is not limited to the pressing method. It can also be formed by filling the mixed composite phase change material into capsules to form phase change composite material capsules, and embedding the formed capsules into the base material to form the temperature control material layer.

[0017] As for the structure of the temperature control layer, it is more preferred that the temperature control layer be configured as a multi-layer structure with ribs, a plurality of perforations and / or a honeycomb structure, so as to increase the heat conduction area. At the same time, it is convenient for wastewater to flow through the space of the structure, and the residual heat energy in the wastewater is also utilized, so as to improve the energy utilization rate of the entire heat exchange system.

[0018] Furthermore, the functional panel includes a panel structure arranged on the upper surface of the temperature control material layer, such as a panel with waterproof, anti-slip, diversion and other functions; the panel is preferably made of ceramic, plastic, antiseptic wood or plastic wood material, and is decorated with patterns, honeycomb holes and / or diversion grooves. The bottom of the functional panel has a positioning groove corresponding to the positioning boss structure of the installation base plate, and is connected to the top of the temperature control layer by gluing.

[0019] The above-mentioned installation base plate, temperature control material layer and functional panel are positioned and connected via positioning bosses; further, adhesive is applied between each layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is an exploded view of the heat exchange device of the present invention,

[0021] Figure 2 is a schematic diagram of the bottom plate structure of the present invention,

[0022] Figure 3 Schematic diagram of the heat exchanger structure of the present invention.

[0023] Figure 4 is a schematic structural diagram of a positioning and mounting plate of a heat exchanger of the present invention,

[0024] Figure 5 is a schematic structural diagram of the temperature control layer of the present invention,

[0025] Figure 6 is a schematic structural diagram of a functional panel of the present invention,

[0026] Figure 7 is a schematic diagram of the connection structure of the bellows connector of the present invention,

[0027] Figure 8 Schematic diagram of the structure of the external cone joint of the present invention.

[0028] Fig. 9Schematic diagram of the structure of the inner tapered hole joint of the present invention.

[0029] Fig.10 It is a top view of the implementation of the heat exchange device in the building. DETAILED DESCRIPTION

[0030] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the embodiments of the present invention are described below with the help of the accompanying drawings; it is obvious that the following drawings are only some embodiments of the present invention and are not limitations of the present invention.

[0031] See attached Figure 1 The heat exchange device 10 of the present invention comprises the following structures: a mounting base plate 1, a heat exchanger 2, a fixed mounting plate 3, a temperature control layer 4, and a functional panel 5. The mounting base plate 1 has a groove in the middle, and a heat reflective sheet (not shown in the drawings) is arranged in the groove, wherein the heat reflective sheet is formed by pasting aluminum foil on an EVA sheet or spraying heat reflective paint; the heat exchanger 2 is arranged on the surface of the heat reflective sheet, and is fixedly mounted on the mounting base plate 1 through the positioning mounting plate 3, and the heat exchanger 2 is installed in the middle hole of the positioning mounting plate 3, so as to be in the same plane; the temperature control layer 4 is installed on the heat exchanger 2 and the fixed mounting plate 3; and the functional panel 5 is installed on the upper surface of the temperature control layer 4. The water inlet end 2.2 and the water outlet end 2.3 of the heat exchanger are respectively installed with an outer conical joint 7 and an inner conical hole joint 8, and the outer conical joint 7 and the inner conical hole joint 8 are connected to the heat exchanger through a bellows connector 6; there is also an oil pipe nut 9, which is used to connect the outer conical joint and the inner conical hole joint 8.

[0032] Depend on Figure 2 The mounting base plate 1 is shown. The mounting base plate 1 is basically formed by a square plate-like component, and a groove 1.2 is arranged in the center of the panel; a heat reflective sheet is installed in the groove 1.2 by gluing, and the heat reflective sheet is composed of an EVA sheet, and an aluminum foil pasted on the EVA sheet or a heat reflective paint sprayed on the EVA sheet. Positioning mounting blocks 1.3 are also arranged around the mounting base plate 1. The positioning mounting blocks 1.3 are preferably arranged in 4 numbers, and the 4 positioning mounting blocks 1.3 are evenly distributed on the mounting base plate. Hemispherical protrusions 1.4 are arranged in the circumferential outward direction of the positioning mounting blocks 1.3; two hemispherical protrusions 1.4 are preferably arranged on each positioning mounting block 1.3; the hemispherical protrusions 1.4 are used for positioning and connecting with the fixed mounting plate 3 and the temperature control layer 4 of the heat exchanger.

[0033] Figure 3An embodiment of the heat exchanger of the present invention is shown, wherein the heat exchanger 2 is a coil-type heat exchanger, which is formed by bending a copper tube to form a water inlet 2.2 and a water outlet 2.3 on the same axis. The water inlet 2.3 is sequentially connected to a bellows connector 6 and an outer cone connector 7, and the water outlet 2.3 is sequentially connected to a bellows connector 6 and an inner cone connector 8.

[0034] In the present invention, the form of the heat exchanger is not limited to the coil type, and a spiral heat exchanger or an array heat exchanger may also be selected, but the axes of the water inlet 2.2 and the water outlet 2.3 must be in the same straight line.

[0035] The water inlet 2.2 and the water outlet 2.3 are installed with the bellows connector 6 by clamp connection or welding; the connection mode between the bellows connector 6 and the outer cone joint 7 and the inner cone hole joint 8 is also selected by clamp connection or welding.

[0036] Figure 4 The structure of the positioning and mounting plate 3 of the heat exchanger of the present invention is shown. The positioning and mounting plate 3 has a heat exchanger 2 placement hole in the center thereof; it also has a mounting and positioning groove 3.2 for positioning and mounting with the mounting and positioning block 1.3 on the mounting bottom plate; and a hemispherical concave hole 3.2 is provided on the outer peripheral surface of the mounting and positioning groove 3.2 for positioning and matching with the hemispherical protrusion 1.4 on the positioning and mounting block 1.3. The thickness of the mounting and positioning plate is greater than or equal to the diameter of the copper tube in the heat exchanger 2.

[0037] Figure 5 The structure of the temperature control layer 4 of the present invention is shown, and the temperature control layer 4 has a square base panel 4.1, four installation positioning holes 4.2 are arranged circumferentially on the square panel 1, and a hemispherical recessed hole 4.3 is arranged on the outer peripheral surface of the installation positioning hole 4.2 to be positioned and matched with the hemispherical protrusion 1.4 on the positioning installation block 1.3.

[0038] In the circumferential direction of the square temperature control layer 4, that is, Figure 5 A through hole 4.4 is provided in the direction of the X or Y axis of the middle coordinate axis. The through hole 4.4 can increase the heat absorption area of ​​the temperature control layer 4 on the one hand, and can also allow waste water to flow through it on the other hand, so as to utilize the residual heat in the waste water.

[0039] The temperature control layer 4 mainly includes phase change heat storage material, preferably a composite phase change heat storage material, which is based on boron mud and added with suitable coupling agents, inorganic phase change heat storage materials, organic phase change heat storage materials, and additive materials for thermal conductivity adjustment.

[0040] The above-mentioned composite phase change material has the following proportions, including the following materials in parts by weight: 25-30 parts of basic material boric mud; 18-23 parts of coupling agent; 28-33 parts of inorganic phase change heat storage materials such as Glauber's salt, 23-29 parts of soda, and 18-22 parts of potassium hydrofluoride; 8-13 parts of organic phase change heat storage materials such as pentaerythritol and 10-14 parts of tris(hydroxymethyl)aminomethane; additive materials for thermal conductivity adjustment include 15-19 parts of graphite, 8-10 parts of carbon fiber, and 5-9 parts of paraffin.

[0041] The specific method for making the above-mentioned material control layer 4 is as follows: a solid composite phase change heat storage material is obtained by mixing the above-mentioned inorganic phase change heat storage material, organic phase change heat storage material and additive materials for thermal conductivity adjustment; and a temperature control material layer is obtained by hot pressing and cooling the above-mentioned solid composite material, base material and coupling agent in a mold.

[0042] Of course, the method of making the temperature control material layer is not limited to the pressing method. It can also be formed by filling the mixed composite phase change material into capsules to form phase change composite material capsules, and embedding the formed capsules into the base material to form the temperature control material layer.

[0043] As for the structure of the temperature control layer 4, it is more preferred that the through holes 4.4 can be replaced by a multi-layer structure with ribs or a honeycomb structure, or the above three structures can be combined.

[0044] Figure 6 The functional panel 5 of the present invention is shown. The bottom of the functional panel 5 is provided with a positioning groove (not shown in the figure) that matches the positioning mounting block 1.3 of the mounting base plate 1, and the positioning is performed through the positioning groove. Glue is applied on the ground of the functional panel 5 and bonded to the upper surface of the temperature control layer 4. The surface of the functional panel 5 is provided with a honeycomb groove joint for anti-slip; the panel can also be decorated with patterns or provided with a guide groove.

[0045] The above-mentioned panel is preferably made of ceramic, plastic, antiseptic wood or plastic wood material.

[0046] Attached Figure 7 The structure diagram of the bellows connector 6 of the present invention is shown, and copper tube connection parts 6.2 and 6.3 are arranged at both ends of the bellows connector 6, which are used to connect with the heat exchanger and the quick connector respectively. There is also a bellows section 6.1, which is a flexible structure.

[0047] Attached Figure 8 and attached Fig. 9A schematic structural diagram of an outer conical joint 7 and an inner conical hole joint 8 is shown, wherein the outer conical joint 7 comprises a circular tube portion 7.1 and a conical surface portion 7.3, a stop protrusion 7.2 is provided at the connection portion between the circular tube portion 7.1 and the conical surface portion 7.3, and the stop protrusion 7.2 is covered by an oil pipe nut 9 and limits the position of the oil pipe nut 9 in the circumferential direction.

[0048] The inner tapered hole joint 8 has a round pipe section 8.1 and an inner tapered hole 8.3 corresponding to the outer tapered hole joint 7. A threaded boss 8.2 is arranged at the end of the inner tapered hole joint close to the inner tapered hole 8.3. A thread that cooperates with the oil pipe nut 9 is arranged on the circumferential surface of the threaded boss 8.2.

[0049] See attached Fig.10 , a method of installing the above-mentioned heat exchange device 10 in a bathroom, which includes a wall 20, and laying six of the above-mentioned heat exchange devices 10 on the ground surrounded by the wall 20 to form a heat exchange device group, wherein the above-mentioned six heat exchange devices 10 are connected in series, and a groove 30 formed around the heat exchange device group is provided between the wall 20 and the heat exchange device 10, and the bottom surface of the above-mentioned groove 30 is lower than the bottom surface of the through hole 4.4.

[0050] It should be pointed out that the above preferred embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat exchange device, comprising the following structure: a mounting base plate (1), a heat exchanger (2), a fixed mounting plate (3), a temperature control layer (4), a functional panel (5), a corrugated connector (6), an outer conical surface joint (7), an inner conical hole joint (8) and a tubing nut (9); characterized in that: The middle part of the mounting base plate (1) has a groove (1.2), and a heat reflective sheet is arranged in the groove (1.2), wherein the heat reflective sheet is formed by pasting aluminum foil on an EVA sheet or spraying heat reflective paint; the heat exchanger (2) is arranged on the surface of the heat reflective sheet and is fixedly mounted on the mounting base plate (1) through a positioning mounting plate (3); the heat exchanger (2) is formed by bending a copper tube and is formed with a water inlet end (2.2) and a water outlet end (2.3); the heat exchanger (2) is installed in a placement hole of the fixed mounting plate (3); the thickness of the fixed mounting plate (3) is greater than or equal to the diameter of the copper tube of the heat exchanger (2); a temperature control layer (4) is installed on the heat exchanger (2) and the fixed mounting plate (3), and a functional panel (5) is installed on the upper surface of the temperature control layer (4); the water inlet end (2.2) and the water outlet end (2.3) are respectively installed with an outer cone joint (7) and an inner cone hole joint (8), and the outer cone joint (7) and the inner cone hole joint (8) are connected to the heat exchanger (2) through a corrugated connector (6); multiple heat exchange devices are connected in series through the outer cone joint (7), the inner cone hole joint (8) and the oil pipe nut (9).

2. The heat exchange device according to claim 1, wherein positioning mounting blocks (1.3) are further arranged around the mounting base plate (1), and the number of the positioning mounting blocks (1.3) is 4, and the 4 positioning mounting blocks (1.3) are evenly distributed on the mounting base plate (1).

3. The heat exchange device according to claim 2, wherein two hemispherical protrusions (1.4) are arranged in an outward direction of the circumference of the positioning and mounting block (1.3).

4. The heat exchange device according to any one of claims 1 to 3, wherein the heat exchanger (2) is a spiral heat exchanger or an array heat exchanger.

5. The heat exchange device as claimed in claim 1, wherein the axes of the water inlet end (2.2) and the water outlet end (2.3) are on the same straight line.

6. The heat exchange device according to claim 1, wherein through holes (4.4) are provided in the circumferential direction of the temperature control layer (4).

7. The heat exchange device according to claim 1, wherein the temperature control layer (4) mainly comprises a phase change heat storage material, and the phase change heat storage material is a composite phase change heat storage material, which takes boron mud as a base material, and is added with a coupling agent, an inorganic phase change heat storage material, an organic phase change heat storage material, and a thermal conductivity regulating material.

8. The heat exchange device according to claim 7, wherein the composite phase change heat storage material has the following proportions, including the following materials in parts by weight: 25-30 parts of base material boric mud; 18-23 parts of coupling agent; 28-33 parts of inorganic phase change heat storage materials such as sodium sulfate, 23-29 parts of soda, and 18-22 parts of potassium hydrofluoride; 8-13 parts of organic phase change heat storage materials such as pentaerythritol and 10-14 parts of tris(hydroxymethyl)aminomethane; additive materials for thermal conductivity adjustment include 15-19 parts of graphite, 8-10 parts of carbon fiber, and 5-9 parts of paraffin.

9. The heat exchange device as described in claim 1, wherein the outer conical surface joint (7) has a circular tube portion (7.1) and a conical surface portion (7.3), and a stop protrusion (7.2) is provided at the connection portion between the circular tube portion (7.1) and the conical surface portion (7.3), and the stop protrusion (7.2) is covered by the oil pipe nut (9) and limits the oil pipe nut (9) in the axial direction; the inner conical hole joint (8) has a circular tube section (8.1) and an inner conical hole (8.3) corresponding to the outer conical surface joint (7), and a threaded boss (8.2) is provided at the end of the inner conical hole joint (8) close to the inner conical hole (8.3), and a thread matching the oil pipe nut (9) is provided on the circumferential surface of the threaded boss (8.2).

10. A method for installing a heat exchange device in a bathroom, comprising a wall (20), and a heat exchange device (10) according to any one of claims 1 to 9, characterized in that: The six heat exchange devices (10) are laid on the ground surrounded by the wall (20) to form a heat exchange device group, wherein the six heat exchange devices (10) are connected in series, and a groove (30) formed around the heat exchange device group is provided between the wall (20) and the heat exchange device (10), and the bottom surface of the groove (30) is lower than the bottom surface of the through hole (4.4) opened in the circumferential direction of the temperature control layer (4).

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