CN210441427U

CN210441427U - Heat exchange unit of heat exchanger and gas boiler

Info

Publication number: CN210441427U
Application number: CN201920823355.9U
Authority: CN
Inventors: 胡志鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-05-01
Anticipated expiration: 2029-05-31

Abstract

A heat exchange unit of a heat exchanger and a gas boiler comprise a first shell plate and a second shell plate which form a plurality of fluid channels arranged at intervals, wherein the first shell plate and the second shell plate are provided with a plurality of concave parts, and the concave parts are in an oblique strip shape so that fluid in the fluid channels forms a circumferential flow and is impacted to exchange heat uniformly. The heat exchange device has the characteristics of increasing the heat exchange contact area, greatly improving the overall heat exchange efficiency, being convenient to assemble, saving energy, protecting environment and the like. Therefore, the utility model is a product with excellent performance in economy, technology and practicability.

Description

Heat exchange unit of heat exchanger and gas boiler

Technical Field

The utility model relates to a heat exchanger's heat transfer unit and gas boiler.

Background

Gas boiler on the market, most heat exchanger's heat transfer unit adopts the coil pipe to install the fin additional and carry out the heat absorption heat transfer, and this kind of structure combustion gas flow transit time is very fast, and heat transfer area is little so that heat exchange efficiency is not good enough, and the structure is complicated moreover, installation operation is extremely inconvenient, and manufacturing cost is high.

In order to overcome the defects, a heat exchange unit of a heat exchanger and a gas boiler are developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a heat exchanger's heat transfer unit and gas boiler are to be provided, it has increased heat transfer area of contact, effectively promotes characteristics such as whole heat exchange efficiency, structure equipment convenience, energy-concerving and environment-protective widely.

In order to achieve the above object, the present invention provides a heat exchange unit of a heat exchanger, which comprises a first shell plate and a second shell plate, which form a fluid channel disposed at a plurality of intervals, wherein the first shell plate and the second shell plate are provided with a plurality of recessed portions, and the recessed portions are in the form of oblique strips so that the fluid of the fluid channel forms a circumferential flow and the fluid is impacted to exchange heat uniformly.

In one or more embodiments of the present invention, the concave portion is formed on the upper portion of the first shell plate and the second shell, and the arrangement layout of the concave portion in different regions of the first shell plate or the second shell plate is the same or different.

In one or more embodiments of the present invention, the concave portions are disposed at intervals, and the plurality of concave portions are arranged in a staggered manner, or arranged in parallel, or arranged irregularly.

Under the same design, the utility model also provides a gas boiler, it includes:

a combustion system;

in the scheme, the heat exchange unit is connected with the heat exchanger in the combustion system; the heat exchange system comprises a water inlet pipe, a water outlet pipe and a heat exchanger, wherein the heat exchanger comprises a plurality of plate type heat exchange units and a plurality of heat conducting members; the heat conductive member has an air flow passage allowing air flow to pass therethrough in a staggered manner.

In one or more embodiments of the present invention, the heat exchange unit of the heat exchanger and the combustion system disposed in the machine body; the smoke guide part is connected with the heat exchange unit of the heat exchanger and is provided with a smoke collection cavity and a smoke exhaust channel.

In one or more embodiments of the present invention, the heat exchanger has a plurality of heat exchanging units, which are disposed between the combustion chamber cover plate and the smoke guiding portion.

Compared with the prior art, the utility model, there are following beneficial effect:

due to the adoption of the scheme, the heat exchange contact area is increased, the overall heat exchange efficiency is greatly improved, and the heat exchange device has the characteristics of convenience in structural assembly, energy conservation, environmental friendliness and the like. Therefore, the utility model is a product with excellent performance in economy, technology and practicability.

Drawings

Fig. 1 is a schematic structural view of a gas boiler according to an embodiment of the present invention;

FIG. 2 is a schematic view of an expanded structure of a gas boiler according to an embodiment of the present invention;

FIG. 3 is a schematic view of an expanded structure of a combustion system and a heat exchange system in a gas boiler according to an embodiment of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is an enlarged view of fig. 4 at B.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

The orientation shown in the drawings is not to be considered as limiting the scope of the invention, but merely as providing a reference to the preferred embodiments, to the extent that changes in the position or addition of numbers or structural simplifications can be made to the product parts illustrated in the drawings.

The relation of "connected" between the components shown in the drawings and described in the specification can be understood as fixedly connected or detachably connected or integrally connected; the connecting elements can be directly connected or connected through an intermediate medium, and persons skilled in the art can understand the connecting relation according to specific conditions, and can use the connecting elements in a screwed connection or riveting connection or welding connection or clamping connection or embedding connection mode to replace different embodiments in a proper mode.

The terms of orientation such as up, down, left, right, top, bottom, and the like in the description and the orientation shown in the drawings, may be used for direct contact or contact with each other through another feature therebetween; above may be directly above and obliquely above, or it simply means above the other; other orientations may be understood by analogy.

The technical scheme and the beneficial effects of the invention are clearer and clearer by further describing the specific embodiment of the invention with the accompanying drawings of the specification; and are intended to be illustrative of the invention and not to be construed as limiting the invention.

Referring to fig. 1 to 5, a gas boiler is provided according to an embodiment of the present invention, which includes a combustion system 2 disposed in a machine body 1 and a heat exchange unit of a heat exchanger, wherein the combustion system 2 includes a gas pipeline 21, a valve body 22 connected to the gas pipeline 21, and a gas flow supercharging device 23, and the gas flow supercharging device 23 is connected to a combustion chamber cover plate 24.

The heat exchange unit 3 of the heat exchanger comprises a water inlet pipe 31, a water outlet pipe 32 and a heat exchanger core 33 communicated with the water inlet pipe and the water outlet pipe, the plate type heat exchange units 331 can be arranged side by side, and two adjacent plate type heat exchange units 331 are provided with a heat conducting member 332 in a clamping mode; the plate type heat exchange unit 331 is provided with two end openings, the plate type heat exchange unit 331 is provided with a limiting hole plate 333 for installing a jack, a side cover plate 334 is assembled on the outer side of the limiting hole plate, and the heat conducting member 332 is an airflow channel for providing airflow channels for airflow in a staggered mode, so that hot air slowly passes through the airflow channels and the plate type heat exchange unit 331 sufficiently absorbs heat. The smoke guide portion 25 has a smoke collection chamber 251 and a smoke evacuation passage 252. The limiting orifice plate 333 provides a plurality of rows of inserting through holes 333a for the plate type heat exchange unit. Further, it is explained that the heat exchanger 3 can be used in this embodiment or other embodiments in combination with that shown in fig. 3.

Referring to fig. 3 and 5, the plate heat exchange unit 331 can be applied to this embodiment and combined with other embodiments, and this embodiment includes a first shell plate 331a and a second shell plate 331b, which form a plurality of fluid channels 331c arranged at intervals, and a plurality of concave portions 331d are provided on the first shell plate 331a or the second shell plate 331b, and the concave portions 331d are in an oblique strip shape, so that fluid in the fluid channels forms a circumferential flow, and the fluid is impacted to exchange heat uniformly, and the water temperature is relatively stable.

The concave portion 331d is formed at the upper portion of the first and second case plates, and the arrangement layout of the concave portion 331d at different regions of the first or

second case plate

331a or 331b is the same or different. The upper regions may be staggered and the regions above and below the upper regions may be parallel. Of course, the lower portions of the first and second case plates may be provided without the recess 331d and may be provided to be flat. The concave portions 331d are spaced apart, and the plurality of concave portions 331d may be formed in a staggered arrangement, a parallel arrangement, an irregular arrangement, or the like.

The valve body 22 and the airflow pressurizing device 23 are multiple in number. The number of the heat exchanger cores 3 can be a plurality, and the number of the heat exchanger cores can be 2, 3, 4 or 5 according to the required power designed and used, and the heat exchanger 3 is arranged between the combustion chamber cover plate 24 and the smoke guide part 25. The airflow supercharging device 23 may include a motor, a fan blade, a volute, and the like.

The ignition device 26 is assembled to the upper portion of the side cover 334. The heat conductive member 332 is formed by bending a metal sheet. The machine body 1 comprises a bracket 11, a top plate 12, a side plate 13, a panel 14 and a bottom 15, wherein the top plate 12, the side plate 13, the panel 14 and the bottom 15 are connected to the machine frame 11; the lower part of the frame is connected with a movable caster wheel 16, the support 11 is provided with a middle cross bar 17, and the heat exchanger core 33 is connected with the middle cross bar 17.

The operation and principles will be further described in conjunction with the above description, taken in conjunction with all of the accompanying drawings:

when the heat exchanger is used, the combustion system 2 supplies gas for combustion, the plate type heat exchange unit 331 and the heat conducting member 332 absorb heat to exchange heat with water flow in the plate type heat exchange unit 331, the heat exchange contact area is increased, the overall heat exchange efficiency is greatly improved, and the heat exchanger has the characteristics of convenience in structural assembly, energy conservation, environmental friendliness and the like. Therefore, the utility model is a product with excellent performance in economy, technology and practicability.

While the invention has been described in terms of the preferred embodiments described above, there may be alterations, permutations, and equivalents, which fall within the scope of this invention; there may be many alternative ways of implementing the invention. It is therefore intended that the following appended claims be interpreted as including all such alterations, permutations, and equivalents as fall within the true spirit and scope of the present invention; it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and modifications and substitutions based on the known art are intended to fall within the scope of the present invention, which is defined by the claims.

Claims

1. A heat exchange unit of a heat exchanger, characterized in that: the heat exchanger comprises a first shell plate and a second shell plate which form a plurality of fluid channels arranged at intervals, wherein the first shell plate and the second shell plate are provided with a plurality of concave parts which are in an oblique strip shape, so that fluid in the fluid channels forms a streaming flow, and the fluid is impacted to realize uniform heat exchange.

2. The heat exchange unit of a heat exchanger of claim 1, wherein: the concave parts are formed on the upper parts of the first shell plate and the second shell, and the arrangement layout of the concave parts on different areas of the first shell plate or the second shell plate is the same or different.

3. The heat exchange unit of the heat exchanger of claim 2, wherein: the concave parts are arranged at intervals, and the plurality of concave parts form staggered arrangement, parallel arrangement or irregular arrangement.

4. A gas boiler, characterized in that it comprises:

a combustion system;

a heat exchange unit coupled to the heat exchanger of any of claims 1-3 within the combustion system; the heat exchange system comprises a water inlet pipe, a water outlet pipe and a heat exchanger, wherein the heat exchanger comprises a plurality of plate type heat exchange units and a plurality of heat conducting members; the heat conductive member has an air flow passage allowing air flow to pass therethrough in a staggered manner.

5. The gas boiler according to claim 4, characterized in that: the heat exchange unit of the heat exchanger and a combustion system arranged in the machine body; the smoke guide part is connected with the heat exchange unit of the heat exchanger and is provided with a smoke collection cavity and a smoke exhaust channel.

6. The gas boiler according to claim 4, characterized in that: the heat exchanger is provided with a plurality of heat exchange units which are arranged between the combustion chamber cover plate and the smoke guide part.