CN217654114U

CN217654114U - Multiple condensation heat exchanger

Info

Publication number: CN217654114U
Application number: CN202221992075.9U
Authority: CN
Inventors: 高满全; 高鹏
Original assignee: Better Sun Gaobeidian Heat Energy Technology Co ltd
Current assignee: Hebei Ruineng Technology Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-10-25
Anticipated expiration: 2032-07-28

Abstract

The application provides a multiple condensation heat exchanger relates to heat exchanger technical field. The multiple condensing heat exchanger comprises a heat exchanger body and a condensing assembly. The heat exchanger body includes casing, combustion head and exhaust port, and the casing encloses to close and forms the heat transfer cavity, and the combustion head sets up in the heat transfer cavity, exhaust port and casing interconnect. The condensation assembly comprises a first coil, a second coil and a third coil, and the first coil, the second coil and the third coil are sequentially wound in the heat exchange cavity according to the extending direction of the combustion head. This multiple condensation heat exchanger can realize multistage condensation through setting up first coil pipe, second coil pipe and third coil pipe, improves heat exchange efficiency, and this simple structure, and is small, easily equipment, this structural design is reasonable, and the practicality is strong.

Description

Multiple condensation heat exchanger

Technical Field

The application relates to the technical field of heat exchangers, in particular to a multiple condensation heat exchanger.

Background

A heat exchanger for recovering and utilizing the latent heat of vaporization of water vapor in flue gas is generally defined as a condensing heat exchanger. If the exhaust gas temperature of the heat exchanger is reduced to be lower than the saturation temperature, the superheated water vapor in the exhaust gas is condensed into liquid water to release latent heat of vaporization, so that the latent heat of vaporization is recycled, and the heat exchange efficiency is improved.

Most of the existing condensing heat exchangers can only exchange heat through primary condensation, and the heat exchange efficiency is not high. And the existing condensing heat exchanger has the disadvantages of complex structure, large volume, more occupied space and low space utilization rate.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a multiple condensation heat exchanger, it can realize multistage condensation through setting up first coil pipe, second coil pipe and third coil pipe, improves heat exchange efficiency, and this simple structure, small, easily equipment, this structural design is reasonable, and the practicality is strong.

The embodiment of the application is realized as follows:

a multiple condensing heat exchanger comprising:

the heat exchanger comprises a heat exchanger body, a heat exchanger body and a heat exchanger, wherein the heat exchanger body comprises a shell, a combustion head and a smoke outlet, the shell is enclosed to form a heat exchange cavity, the combustion head is arranged in the heat exchange cavity, and the smoke outlet is connected with the shell;

and the condensation assembly comprises a first coil, a second coil and a third coil, and the first coil, the second coil and the third coil are sequentially wound in the heat exchange cavity according to the extending direction of the combustion head.

This multiple condensation heat exchanger can realize multistage condensation through setting up first coil pipe, second coil pipe and third coil pipe, improves heat exchange efficiency, and this simple structure, and is small, easily equipment, this structural design is reasonable, and the practicality is strong.

In some embodiments of the present application, the first coil, the second coil and the third coil are each a double-layer tubular structure, and each of the first coil, the second coil and the third coil includes an outer spiral pipe and an inner spiral pipe.

The double-layer tubular structure can improve the area of heat exchange when the first coil pipe, the second coil pipe and the third coil pipe contact with flue gas, so that the heat exchange effect is improved, and the heat exchange efficiency of the multiple condensation heat exchanger is ensured.

In some embodiments of the present application, the outer coil and the inner coil are coaxially disposed, and the inner coil is adjacent to the combustion head, and the outer coil faces away from the combustion head.

After outer coil pipe and the coaxial setting of interior coil pipe, can avoid outer coil pipe and interior coil pipe eccentric phenomenon to appear, and then improve the device's structural stability, simultaneously, the outer coil pipe and the interior coil pipe of coaxial setting can reduce the occupancy in space.

In some embodiments of the present application, the heat exchanger body further includes a water supply partition, the water supply partition is disposed at two ends of the housing and detachably connected to the housing.

The water supply partition plate can isolate the device, so that the temperature of the water body after heat exchange is guaranteed, and the heat exchange efficiency of the device is improved.

In some embodiments of the present application, a stepped hole is formed in a middle portion of one of the water supply partition plates, the burner head is embedded in the stepped hole, and the burner head is detachably connected to one of the water supply partition plates.

The stepped hole is also called as a stepped hole and is generally produced in a drilling process. In the manufacturing process, a drill bit is used for drilling a through hole, and then a half through hole is drilled. The cooperation mode of shoulder hole and burning head has the effect that improves the burning head and inlays and establish stability, guarantees the combustion efficiency of burning head.

In some embodiments of the present application, the burner head and another of the water supply partitions have a gap therebetween.

In some embodiments of the present application, a sealing ring is further disposed between the water supply partition and the housing.

The sealing ring has good sealing performance under working pressure and a certain temperature range, and the sealing performance can be automatically improved along with the increase of the pressure. The friction between the sealing ring device and the moving part needs to be small, and the friction coefficient needs to be stable. The sealing ring has strong corrosion resistance, no corrosion to contact surfaces, no pollution to media, difficult aging, long service life, good wear resistance and automatic compensation to a certain extent after being worn. Simple structure, convenient use and maintenance and longer service life of the sealing ring. The sealing ring has good self-lubricating property and can be used for oil-free lubrication sealing.

In some embodiments of the present application, the heat exchanger body further includes a smoke outlet disposed on the housing, and the smoke outlet is in fluid communication with the smoke outlet.

In some embodiments of the present application, the smoke outlet of the smoke outlet is oriented perpendicular or parallel to the burner head.

The smoke outlet orientation of the smoke outlet is perpendicular to or parallel to the combustion head, so that the transverse arrangement and the vertical arrangement of the device can be ensured, the device is small in size and high in power, and the using effect of the device is improved.

In some embodiments of the present application, the multiple condensing heat exchanger further includes a heating water outlet, and the heating water outlet and the housing are connected to each other.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a multiple condensation heat exchanger according to an embodiment of the present disclosure;

fig. 2 is a second schematic structural diagram of a multiple condensation heat exchanger according to an embodiment of the present application;

FIG. 3 is one of the cross-sectional views of a multiple condensing heat exchanger provided in accordance with an embodiment of the present application;

fig. 4 is a second cross-sectional view of the multiple condensing heat exchanger according to the embodiment of the present application.

Icon: 100-multiple condensing heat exchangers; 10-a housing; 11-a burner head; 12-a smoke outlet; 13-a heat exchange chamber; 14-a first coiled tube; 15-a second coiled tube; 16-a third coil; 201-external spiral pipe; 202-an inner spiral tube; 17-water supply partition; 171-a stepped bore; 18-a smoke outlet cavity; 19-heating water outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings or the orientation or the positional relationship which is usually arranged when the product of the application is used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, "a plurality" means at least 2.

In the description of the embodiments of the present application, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Examples

Referring to fig. 1 to fig. 4, in which, fig. 1 is a schematic structural diagram of a multiple condensation heat exchanger 100 according to an embodiment of the present disclosure; fig. 2 is a second schematic structural diagram of the multiple condensation heat exchanger 100 according to the embodiment of the present application; fig. 3 is one of cross-sectional views of a multiple condensing heat exchanger 100 according to an embodiment of the present application; fig. 4 is a second cross-sectional view of the multiple condensing heat exchanger 100 according to the embodiment of the present application.

The embodiment of the present application provides a multiple condensation heat exchanger 100, and the multiple condensation heat exchanger 100 includes:

the heat exchanger comprises a heat exchanger body, wherein the heat exchanger body comprises a shell 10, a combustion head 11 and a smoke outlet 12, the shell 10 is enclosed to form a heat exchange chamber 13, the combustion head 11 is arranged in the heat exchange chamber 13, and the smoke outlet 12 is connected with the shell 10;

the condensation assembly comprises a first coil pipe 14, a second coil pipe 15 and a third coil pipe 16, wherein the first coil pipe 14, the second coil pipe 15 and the third coil pipe 16 are sequentially wound in the heat exchange chamber 13 according to the extending direction of the combustion head 11.

It is worth to say that this multiple condensation heat exchanger 100 can realize multistage condensation through setting up first coil pipe 14, second coil pipe 15 and third coil pipe 16, improves heat exchange efficiency, and this simple structure, small, easily equipment, this structural design is reasonable, and the practicality is strong.

Referring again to fig. 3 and 4, fig. 3 is a cross-sectional view of the multiple condensing heat exchanger 100 according to the embodiment of the present disclosure; fig. 4 is a second cross-sectional view of the multiple condensing heat exchanger 100 according to the embodiment of the present application. In two embodiments of the present embodiment, the first coil 14, the second coil 15, and the third coil 16 are each a double-layer tubular structure, and each of the double-layer tubular structure includes an outer spiral pipe 201 and an inner spiral pipe 202.

Specifically, the double-layer tubular structure can improve the heat exchange area when the first coil pipe 14, the second coil pipe 15 and the third coil pipe 16 contact with the flue gas, so that the heat exchange effect is improved, and the heat exchange efficiency of the multiple condensation heat exchanger 100 is ensured.

In this embodiment, the outer spiral tube 201 and the inner spiral tube 202 are coaxially disposed, and the inner spiral tube 202 is close to the combustion head 11, and the outer spiral tube 201 is away from the combustion head 11.

It should be noted that, after the outer spiral pipe 201 and the inner spiral pipe 202 are coaxially disposed, the outer spiral pipe 201 and the inner spiral pipe 202 are prevented from being eccentric, so as to improve the structural stability of the device, and meanwhile, the outer spiral pipe 201 and the inner spiral pipe 202 which are coaxially disposed can reduce the occupancy rate of space.

Optionally, the heat exchanger body further includes water supply partition plates 17, and the water supply partition plates 17 are disposed at two ends of the casing 10 and detachably connected to the casing 10.

Specifically, the water supply partition plate 17 can isolate the device, so that the temperature of the water body after heat exchange is ensured, and the heat exchange efficiency of the device is improved.

In this embodiment, a stepped hole 171 is formed in a middle portion of one of the water supply partition plates 17, the burner head 11 is embedded in the stepped hole 171, and the burner head 11 is detachably connected to one of the water supply partition plates 17.

It will be appreciated that the stepped bore 171, also referred to as a stepped bore, is typically produced in a drilling process. In the manufacturing process, a drill bit is used for drilling a through hole, and then a half through hole is drilled. The matching mode of the stepped hole 171 and the combustion head 11 has the effect of improving the embedding stability of the combustion head 11, and the combustion efficiency of the combustion head 11 is ensured.

In this embodiment, a gap is formed between the burner head 11 and the other water supply partition 17.

Optionally, a sealing ring is further disposed between the water supply partition 17 and the housing 10.

Specifically, the sealing ring should have good sealing performance under working pressure and within a certain temperature range, and the sealing performance can be automatically improved along with the increase of the pressure. The friction between the sealing ring device and the moving part needs to be small, and the friction coefficient needs to be stable. The sealing ring has strong corrosion resistance, does not corrode a contact surface, does not pollute a medium, is not easy to age, has long service life and good wear resistance, and can automatically compensate to a certain extent after being worn. Simple structure, convenient use and maintenance and longer service life of the sealing ring. The sealing ring has good self-lubricating property and can be used for oil-free lubrication sealing.

In this embodiment, the heat exchanger body further includes a smoke outlet 18, the smoke outlet 18 is disposed on the casing 10, and the smoke outlet 18 is in fluid communication with the smoke exhaust 12.

In this embodiment, the smoke outlet of the smoke outlet 12 is oriented perpendicular to or parallel to the combustion head 11. In the embodiments perpendicular to or parallel to each other, reference may be made to fig. 1 and fig. 2, respectively, and it is understood that the smoke outlet of the smoke outlet 12 may also be oriented in other directions according to different implementation environments, and this example is only an illustration of a specific structure of the smoke outlet and does not constitute a specific limitation on the smoke outlet of the smoke outlet 12.

It can also be understood that the smoke outlet direction of the smoke outlet 12 is perpendicular to or parallel to the combustion head 11, so that the transverse placement and the vertical placement of the device can be ensured, the device has small volume and high power, and the using effect of the device is improved.

Referring to fig. 1 and fig. 2 again, fig. 1 is a schematic structural diagram of a multiple condensation heat exchanger 100 according to an embodiment of the present disclosure; fig. 2 is a second schematic structural diagram of the multiple condensation heat exchanger 100 according to the embodiment of the present application. In both embodiments of this embodiment, the multiple condensing heat exchanger 100 further includes a heating water outlet 19, and the heating water outlet 19 and the housing 10 are connected to each other.

The multiple condensation heat exchanger 100 has the advantages of smaller volume than the traditional heat exchanger, multiple condensation structure, simple production and manufacturing process, high heat exchange efficiency and the like. The appearance of the utility model is small, and the assembly is easy. Multistage condensation, heat exchange efficiency is high. The built-in first coil pipe 14, the built-in second coil pipe 15 and the built-in third coil pipe 16 are double-layer pipes, and therefore heat exchange efficiency is greatly improved. The product can be placed in various ways, can be placed horizontally and vertically, and is small in size and high in power.

In summary, the embodiment of the present application provides a multiple condensing heat exchanger 100. The multiple condensing heat exchanger 100 includes a heat exchanger body and a condensing assembly. The heat exchanger body includes casing 10, combustion head 11 and exhaust port 12, and casing 10 encloses to close and forms heat transfer cavity 13, and combustion head 11 sets up in heat transfer cavity 13, exhaust port 12 and casing 10 interconnect. The condensing assembly comprises a first coil pipe 14, a second coil pipe 15 and a third coil pipe 16, and the first coil pipe 14, the second coil pipe 15 and the third coil pipe 16 are sequentially wound in the heat exchange chamber 13 according to the extending direction of the burner 11. This multiple condensation heat exchanger 100 can realize multistage condensation through setting up first coil pipe 14, second coil pipe 15 and third coil pipe 16, improves heat exchange efficiency, and this simple structure, and is small, easily equipment, this structural design is reasonable, and the practicality is strong.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A multiple condensing heat exchanger, comprising:

the condensation subassembly, the condensation subassembly includes first coil pipe, second coil pipe and third coil pipe, first coil pipe the second coil pipe with the third coil pipe is in proper order according to the extending direction of burner is around locating in the heat transfer cavity is indoor.

2. The multiple condensing heat exchanger of claim 1, wherein said first coil, said second coil and said third coil are each a double-layer tubular structure comprising an outer coil and an inner coil, respectively.

3. The multiple condensing heat exchanger of claim 2, wherein said outer coil and said inner coil are coaxially disposed with said inner coil proximate said combustion head and said outer coil facing away from said combustion head.

4. The multiple condensing heat exchanger according to claim 1, wherein the heat exchanger body further comprises water supply partitions disposed at both ends of the housing and detachably connected to the housing.

5. The multiple condensation heat exchanger according to claim 4, wherein a stepped hole is formed at a central position of one of the water supply partitions, the burner head is embedded in the stepped hole, and the burner head is detachably connected to one of the water supply partitions.

6. The multiple condensing heat exchanger of claim 5, wherein said burner head is spaced from another of said water feed baffles.

7. The multiple condensing heat exchanger of claim 4, wherein a seal is further disposed between said water supply baffle and said shell.

8. The multiple condensing heat exchanger of claim 1, wherein said heat exchanger body further comprises a smoke outlet chamber, said smoke outlet chamber being disposed on said shell and said smoke outlet chamber being in fluid communication with said smoke exhaust.

9. The multiple condensing heat exchanger of claim 1, wherein said smoke outlet has a smoke outlet orientation and said burner head are perpendicular or parallel to each other.

10. The multiple condensing heat exchanger of claim 1, further comprising a heating water outlet, said heating water outlet interconnected to said housing.