CN220152948U - Heat exchanger for gas water heater - Google Patents

Abstract

The utility model discloses a heat exchanger for a gas water heater, which comprises a shell component, a fin component and a heat exchange pipeline, wherein an inner cavity with an upper opening and a lower opening is formed in the shell component, a mounting part is formed at the top of the shell component, the fin component is fixed in the shell component, the heat exchange pipeline penetrates through the fin component, two ends of the heat exchange pipeline extend outwards from the end face of the shell component respectively to form a water inlet and a water outlet, the shell component is made of an aluminum plating plate, and the shell component is made of the aluminum plating plate, so that the corrosion resistance and the high-temperature oxidation resistance of the shell component can be improved.

Description

Heat exchanger for gas water heater

Technical Field

The utility model relates to the technical field of gas water heaters, in particular to a heat exchanger for a gas water heater.

Background

The heat exchanger is used for exchanging heat from the heat exchanger to cold fluid so as to meet the specified technological requirements, is a heat exchange component of the household gas water heater for convection heat transfer and heat conduction, and the heat exchanger main body comprises a shell component, a fin component and a heat exchange pipeline, wherein the shell component is generally made of galvanized plates, but the corrosion resistance, high-temperature oxidation resistance and other performances of the galvanized plates are improved and promoted.

Accordingly, there is a need for improvements over the prior art.

Disclosure of Invention

The present utility model is directed to solving, at least to some extent, one of the problems of the prior art, and therefore, the present utility model provides a heat exchanger for a gas water heater, which employs an aluminum plating plate to form a housing assembly, so as to improve the corrosion resistance and high temperature oxidation resistance of the housing assembly.

The above purpose is achieved by the following technical scheme:

the utility model provides a heat exchanger for gas heater, includes shell subassembly, fin subassembly and heat exchange pipeline, wherein form in the shell subassembly have upper and lower open inner chamber and be in shell subassembly top forms the installation department, the fin subassembly is fixed in the shell subassembly, heat exchange pipeline wears to locate in the fin subassembly just heat exchange pipeline both ends are followed respectively shell subassembly terminal surface outwards stretches out and forms water inlet and delivery port, the shell subassembly is the adoption aluminum plate and makes.

In some embodiments, the housing assembly includes side plates on both sides and end plates on both ends, a connecting plate is provided on top of the end plates, a side bending part is provided on top of the side plates, an end bending part is provided on top of the connecting plate, and the side bending part and the end bending part are combined to form the mounting part.

In some embodiments, folds are respectively arranged at two ends of the side plate, the folds are clung to the outer end face of the end plate, and the folds, the connecting plate and the end plate are fixed together.

In some embodiments, the heat exchange tube comprises a plurality of straight tubes and an elbow, wherein the straight tubes penetrate into the fin assembly, and the elbow is arranged outside the shell assembly and used for sequentially connecting the straight tubes together.

In some embodiments, the heat exchange tubing is copper tubing.

In some embodiments, the fin assembly comprises a plurality of heat exchange fins arranged at intervals, and adjacent heat exchange fins are clamped together.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. the utility model provides a heat exchanger for a gas water heater, which is characterized in that an outer shell component is made of an aluminum plating plate, so that the corrosion resistance and the high-temperature oxidation resistance of the outer shell component can be improved.

Drawings

FIG. 1 is a schematic perspective view of a heat exchanger in accordance with a first embodiment;

FIG. 2 is an exploded view of a heat exchanger in accordance with the first embodiment;

fig. 3 is a schematic perspective view of a heat exchanger in the second embodiment.

Detailed Description

The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.

Embodiment one: as shown in fig. 1 and 2, the present embodiment provides a heat exchanger for a gas water heater, which comprises a housing assembly 1, a fin assembly 2 and a heat exchange pipe 3, wherein an inner cavity 100 with an upper opening 101 and a lower opening 102 is formed in the housing assembly 1, a mounting part 10 is formed at the top of the housing assembly 1, the fin assembly 2 is fixed in the housing assembly 1, the heat exchange pipe 3 is arranged in the fin assembly 2 in a penetrating manner, two ends of the heat exchange pipe 3 respectively extend outwards from the end surface of the housing assembly 1 to form a water inlet 301 and a water outlet 302, and the housing assembly 1 is made of an aluminum plating plate.

The embodiment provides a heat exchanger for a gas water heater, wherein an outer shell component 1 is made of an aluminum plating plate, so that the corrosion resistance and the high-temperature oxidation resistance of the outer shell component 1 can be improved.

The aluminum-plated plate is also called an aluminum-plated steel plate, and aluminum or an aluminum-silicon alloy is plated on the outer surface of the copper plate to form the aluminum-plated plate. The aluminized layer has better corrosion resistance than the galvanized layer and also has good high-temperature oxidation resistance.

In this embodiment, the housing assembly 1 includes side plates 11 on two sides and end plates 12 on two ends, a connecting plate 13 is disposed on the end plates 12, a side bending portion 110 is disposed at the top of the side plate 11, an end bending portion 130 is disposed at the top of the connecting plate 13, the side bending portion 110 and the end bending portion 130 are combined to form the mounting portion 10, and the housing assembly 1 has a simple structure and a reasonable design, is beneficial to forming the housing assembly 1, reduces the product cost, and has a more stable and reliable structure.

Further, the two ends of the side plate 11 are respectively provided with the folded edges 111, the folded edges 111 are clung to the outer end face of the end plate 12, the folded edges 111, the connecting plate 13 and the end plate 12 are fixed together, the structure is simple, the design is reasonable and ingenious, the folded edges 111, the connecting plate 13 and the end plate 12 can be fixed together, the assembly efficiency of products is improved, and the integrity is relatively better.

In this embodiment, the heat exchange tube 3 includes a plurality of straight tubes 31 and return bend 32, wherein a plurality of straight tubes 31 wear to locate in the fin subassembly 2, return bend 32 set up in be used for with a plurality of outside the shell subassembly 1 straight tubes 31 connect gradually together, and its simple structure does benefit to the connection that realizes between heat exchange tube 3 and shell subassembly 1, fin subassembly 2 through adopting the cooperation of straight tube 31 and return bend 32, effectively promotes the assembly efficiency of product.

Preferably, the heat exchange pipeline 3 adopts a copper pipe, and the heat exchange performance of the copper pipe is relatively better, so that the heat exchange efficiency of the heat exchanger can be improved to a certain extent, and the heat loss is reduced.

Further, the fin assembly 2 includes a plurality of heat exchange fins 200 arranged at intervals, and adjacent heat exchange fins 200 are clamped together, so that a plurality of heat exchange fins 200 can be assembled into a whole, and the heat exchange efficiency of the fin assembly 2 is improved. When the heat exchanger performs heat exchange work, high-temperature flue gas passes through the fin component 2, the fin component 2 absorbs heat and transfers to the heat exchange pipeline 3, cold water absorbs heat of the heat exchange pipeline 3, so that the heat is heated, the cold water absorbs heat through the heat exchanger through heat generated during combustion of fuel gas, and therefore heat exchange and temperature rise are performed to obtain hot water.

Embodiment two: as shown in fig. 3, the present embodiment provides a heat exchanger for a gas water heater, which is different from the first embodiment in that: the heat exchange pipeline 3 in the first embodiment is of a double-row structure, and the heat exchange pipeline 3 in the second embodiment is of a single-row structure.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (6)

1. A heat exchanger for a gas water heater, characterized by: including shell subassembly (1), fin subassembly (2) and heat exchange pipeline (3), wherein form in shell subassembly (1) have inner chamber (100) of upper shed (101) and lower shed (102) and be in shell subassembly (1) top forms installation department (10), fin subassembly (2) are fixed in shell subassembly (1), heat exchange pipeline (3) wear to locate in fin subassembly (2) just heat exchange pipeline (3) both ends are followed respectively shell subassembly (1) terminal surface outwards stretches out and forms water inlet (301) and delivery port (302), shell subassembly (1) are the aluminium plating plate and make.

2. A heat exchanger for a gas water heater as recited in claim 1, wherein: the shell assembly (1) comprises side plates (11) on two sides and end plates (12) on two ends, a connecting plate (13) is arranged on the end plates (12), a side bending part (110) is arranged at the top of each side plate (11), an end bending part (130) is arranged at the top of each connecting plate (13), and the side bending parts (110) and the end bending parts (130) are combined to form the mounting part (10).

3. A heat exchanger for a gas water heater as recited in claim 2, wherein: the two ends of the side plate (11) are respectively provided with a folded edge (111), the folded edge (111) is tightly attached to the outer end face of the end plate (12), and the folded edge (111), the connecting plate (13) and the end plate (12) are fixed together.

4. A heat exchanger for a gas water heater according to claim 1, 2 or 3, wherein: the heat exchange pipeline (3) comprises a plurality of straight pipes (31) and bent pipes (32), wherein the straight pipes (31) are arranged in the fin assembly (2) in a penetrating mode, and the bent pipes (32) are arranged outside the shell assembly (1) and are used for sequentially connecting the straight pipes (31) together.

5. A heat exchanger for a gas water heater as recited in claim 4, wherein: the heat exchange pipeline (3) adopts a copper pipe.

6. A heat exchanger for a gas water heater according to claim 1, 2 or 3, wherein: the fin assembly (2) comprises a plurality of heat exchange fins (200) which are arranged at intervals, and adjacent heat exchange fins (200) are clamped together.