CN210292938U

CN210292938U - Heat exchanger and gas boiler

Info

Publication number: CN210292938U
Application number: CN201920823354.4U
Authority: CN
Inventors: 胡志鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-04-10
Anticipated expiration: 2029-05-31

Abstract

A heat exchanger and a gas boiler comprise a water inlet pipe, a water outlet pipe, a plurality of plate type heat exchange units which are arranged side by side and are communicated with the water inlet pipe and the water outlet pipe, and a heat conduction member is clamped between two adjacent plate type heat exchange units; the plate type heat exchange unit is provided with openings at two ends; the heat conducting component provides an airflow channel for airflow to pass through in a staggered manner so that hot air passes through the airflow channel slowly and the plate type heat exchange unit absorbs heat fully; the plate type heat exchange unit comprises a first shell plate and a second shell plate which form a plurality of fluid channels, and a plurality of concave parts are arranged on the first shell plate or the second shell plate so that fluid in the fluid channels is impacted and heat exchange is uniform.

Description

Heat exchanger and gas boiler

Technical Field

The utility model relates to a heat exchanger and gas boiler.

Background

Gas boiler on the market, most heat exchangers adopt 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 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 and gas boiler are to be provided, it has increased heat transfer area of contact, has effectively promoted characteristics such as whole heat exchange efficiency, structure equipment convenience, energy-concerving and environment-protective widely.

In order to achieve the above object, the utility model discloses a technical scheme provides a heat exchanger, its characterized in that: the heat exchanger comprises a water inlet pipe, a water outlet pipe, a plurality of plate type heat exchange units which are arranged side by side and are communicated with the water inlet pipe and the water outlet pipe, and a heat conduction component clamped by two adjacent plate type heat exchange units; the plate type heat exchange unit is provided with openings at two ends;

the heat conducting component provides an airflow channel for airflow to pass through in a staggered manner so that hot air passes through the airflow channel slowly and the plate type heat exchange unit absorbs heat fully;

the plate type heat exchange unit comprises a first shell plate and a second shell plate which form a plurality of fluid channels, and a plurality of concave parts are arranged on the first shell plate or the second shell plate so that fluid in the fluid channels is impacted and heat exchange is uniform.

In one or more embodiments of the present invention, the heat conducting member is bent from a metal sheet to form a plurality of staggered airflow channels, and two sides of the heat conducting member are tightly attached to the plate heat exchange unit.

Under the same conception, the utility model also provides a gas boiler, which comprises the heat exchanger and a combustion system arranged in the machine body; connect in the smoke guide portion of heat exchanger, smoke guide portion has collection smoke chamber and smoke exhaust passage.

In one or more embodiments of the present invention, the heat exchanger is provided in plurality, and is disposed between the combustion chamber cover plate and the smoke guide 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 and a heat exchanger disposed in a machine body 1, 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 exchanger 3 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 manner; 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.

The plate type heat exchange unit 331 includes a first shell plate 331a and a second shell plate 331b, which are formed to form a plurality of fluid channels 331c, and a plurality of concave portions 331d are provided on the first shell plate 331a or the second shell plate 331b, such concave portions 331d enable fluid in the fluid channels to be impacted and heat exchange to be uniform, and water temperature to be stable.

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 exchanger, characterized by: the heat exchanger comprises a water inlet pipe, a water outlet pipe, a plurality of plate type heat exchange units which are arranged side by side and are communicated with the water inlet pipe and the water outlet pipe, and a heat conduction component clamped by two adjacent plate type heat exchange units; the plate type heat exchange unit is provided with openings at two ends;

2. The heat exchanger of claim 1, wherein: the heat conducting component is formed by bending a metal sheet to form a plurality of staggered airflow channels, and two sides of the heat conducting component are tightly attached to the plate type heat exchange unit.

3. A gas boiler, characterized in that it comprises: the heat exchanger of claim 2 and a combustion system disposed within the housing; connect in the smoke guide portion of heat exchanger, smoke guide portion has collection smoke chamber and smoke exhaust passage.

4. A gas boiler according to claim 3, characterized in that: the heat exchanger is provided with a plurality of heat exchangers which are arranged between the combustion chamber cover plate and the smoke guide part.