Heat exchange structure of gas water heater

By designing the middle flue and vertical plates in the gas water heater, a uniform heat exchange channel is formed, which solves the problem of uneven heat exchange in high-power gas water heaters and improves the heat exchange efficiency and space utilization.

CN222393088UActive Publication Date: 2025-01-24SHANGHAI OTT ELECTRICAL
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421157029.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-26
Publication Date
2025-01-24
Estimated Expiration
2034-05-26

AI Technical Summary

Technical Problem

High-power gas water heaters require multiple tobacco pipes in the water tank for heat exchange, resulting in large space occupied, uneven resistance, and uneven heat exchange.

Method used

Design a heat exchange structure of a gas water heater, including heat exchanges, cigarette cases, and partitions. The middle flue runs through the partition. There are left hot rooms and right shifting rooms on both sides. Standing board to form a heat exchange channel.

Benefits of technology

Through the design of the middle flue and standing board, a uniform heat exchange channel is formed, which improves the uniformity of heat exchange and reduces the problem of space occupation and uneven resistance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222393088U_ABST
    Figure CN222393088U_ABST
Patent Text Reader

Abstract

The utility model discloses a heat exchange structure of a gas water heater, which comprises a heat exchange box and a smoke box, a partition plate is arranged between the heat exchange box and the smoke box, and the heat exchange structure is characterized in that a middle flue is arranged in the heat exchange box, the upper end of the middle flue is connected with the inner top wall of a box body, and the lower end of the middle flue is connected with the smoke box. The bottom end of the middle flue penetrates through the partition plate to be communicated with the smoke box, a left heat exchange chamber and a right heat exchange chamber are arranged on the two sides of the middle flue respectively, the bottom end of the left heat exchange chamber and the bottom end of the right heat exchange chamber are both communicated with the smoke box, a left vertical plate is arranged in the left heat exchange chamber, a right vertical plate is arranged in the right heat exchange chamber, and the left heat exchange chamber and the right heat exchange chamber are communicated with the smoke box. Gaps are reserved between the top ends of the left vertical plate and the box body and between the top ends of the right vertical plate and the box body, and the bottom ends of the left vertical plate and the right vertical plate penetrate through the partition plate and then are connected with the inner bottom face of the smoke box. The utility model has the beneficial effect that the heat exchange structure of the water heater is uniform in heat exchange.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of water heaters, in particular to a heat exchange structure of a gas water heater. Background Art

[0002] Traditional volumetric gas water heaters generally have smoke tubes + finned tubes inside the water tank for heat exchange. Due to the machine power and smoke tube diameter issues, a high-power gas water heater requires more than ten or even twenty smoke tubes in the water tank, which greatly occupies the water tank volume, and the smoke tube resistance is different, resulting in uneven heat exchange. Utility Model Content

[0003] The purpose of the utility model is to provide a heat exchange structure of a gas water heater to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat exchange structure of a gas water heater, comprising a heat exchange box and a smoke box, a partition is provided between the heat exchange box and the smoke box, an intermediate flue is provided in the heat exchange box, the upper end of the intermediate flue is connected to the inner top wall of the box body, the bottom end of the intermediate flue passes through the partition and is connected to the smoke box, a left heat exchange chamber and a right heat exchange chamber are respectively provided on both sides of the intermediate flue, the bottom ends of the left heat exchange chamber and the right heat exchange chamber are both connected to the smoke box, a left vertical plate is provided in the left heat exchange chamber, and a right vertical plate is provided in the right heat exchange chamber, the top ends of the left vertical plate and the right vertical plate are both gaps with the box body, and the bottom ends of the left vertical plate and the right vertical plate are both connected to the inner bottom surface of the smoke box after passing through the partition.

[0005] Preferably, the air outlet pipes of the smoke box are respectively arranged on both sides of the heat exchange box.

[0006] Preferably, a spiral channel is provided in the intermediate flue.

[0007] Preferably, the left vertical plate and the right vertical plate are both arranged in the middle of the left heat exchange chamber and the right heat exchange chamber.

[0008] Preferably, the two walls of the intermediate flue are double-layer structures.

[0009] Compared with the prior art, the utility model has the beneficial effect that: the utility model forms a heat exchange channel in the heat exchange box by arranging the middle flue and the left vertical plate and the right vertical plate, so that the heat exchange is uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model.

[0011] In the figure: 1. heat exchange box; 2. smoke box; 3. partition; 4. middle flue; 5. left heat exchange chamber; 6. right heat exchange chamber; 7. left vertical plate; 8. right vertical plate. DETAILED DESCRIPTION

[0012] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0013] See also Figure 1 The utility model provides a technical solution: a heat exchange structure of a gas water heater, comprising a heat exchange box 1 and a smoke box 2, a partition 3 is provided between the heat exchange box 1 and the smoke box 2, an intermediate flue 4 is provided in the heat exchange box 2, the upper end of the intermediate flue 4 is connected to the inner top wall of the box body 1, the bottom end of the intermediate flue 4 passes through the partition 3 and is connected to the smoke box 2, a left heat exchange chamber 5 and a right heat exchange chamber 6 are respectively provided on both sides of the intermediate flue 4, and the bottom ends of the left heat exchange chamber 5 and the right heat exchange chamber 6 are both connected to the smoke box 2, a left vertical plate 7 is provided in the left heat exchange chamber 5, and a right vertical plate 8 is provided in the right heat exchange chamber 6, and gaps are left between the top ends of the left vertical plate 7 and the right vertical plate 8 and the box body 1, and the bottom ends of the left vertical plate 7 and the right vertical plate 8 are connected to the inner bottom surface of the smoke box 2 after passing through the partition, and the left vertical plate and the right vertical plate are arranged in the middle of the left heat exchange chamber and the right heat exchange chamber, and the left vertical plate 7 and the right vertical plate 8 divide the left heat exchange chamber 5 and the right heat exchange chamber 6 to form a heat exchange channel, and multiple outer surfaces in the heat exchange channel are used for heat exchange to make the heat exchange uniform.

[0014] The air outlet pipes of the smoke box 2 are respectively arranged on both sides of the heat exchange box 1 .

[0015] The middle flue 4 is provided with a spiral channel to increase the heat exchange surface.

[0016] The two walls of the intermediate flue 4 are double-layer structures.

[0017] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat exchange structure of a gas water heater, comprising a heat exchange box and a smoke box, wherein a partition is provided between the heat exchange box and the smoke box, and characterized in that: An intermediate flue is provided in the heat exchange box, the upper end of the intermediate flue is connected to the inner top wall of the box body, the bottom end of the intermediate flue passes through the partition and is connected to the smoke box, a left heat exchange chamber and a right heat exchange chamber are respectively provided on both sides of the intermediate flue, the bottom ends of the left heat exchange chamber and the right heat exchange chamber are both connected to the smoke box, a left vertical plate is provided in the left heat exchange chamber, and a right vertical plate is provided in the right heat exchange chamber, a gap is left between the top end of the left vertical plate and the right vertical plate and the box body, and the bottom ends of the left vertical plate and the right vertical plate pass through the partition and are connected to the inner bottom surface of the smoke box.

2. The heat exchange structure of a gas water heater according to claim 1, characterized in that: The air outlet pipes of the smoke box are respectively arranged on both sides of the heat exchange box.

3. The heat exchange structure of a gas water heater according to claim 2, characterized in that: A spiral channel is arranged in the middle flue.

4. The heat exchange structure of a gas water heater according to claim 3, characterized in that: The left vertical plate and the right vertical plate are both arranged in the middle of the left heat exchange chamber and the right heat exchange chamber.

5. The heat exchange structure of a gas water heater according to claim 1, characterized in that: The two walls of the intermediate flue are double-layer structures.