CN217785462U

CN217785462U - Gas water heater with spiral heat exchanger

Info

Publication number: CN217785462U
Application number: CN202221093578.2U
Authority: CN
Inventors: 陈金红; 刘欢
Original assignee: Billow Suzhou Water Heaters Corp
Current assignee: Billow Suzhou Water Heaters Corp
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-11-11
Anticipated expiration: 2032-05-07

Abstract

The application provides a gas water heater with spiral heat exchanger, the induction cooker comprises a cooker bod, be provided with the inner bag in the furnace body, the inside spiral heat exchanger that is provided with of inner bag, spiral heat exchanger upper end is through combustor and air inlet interface and gas interface connection, spiral heat exchanger lower extreme and the interface connection that discharges fume, spiral heat exchanger is including the burning chamber and the heat transfer chamber of mutual intercommunication, the head of combustor set up in the burning intracavity, the heat transfer chamber is spiral to be centered on the burning chamber. This water heater can improve burning and heat exchange efficiency through adopting spiral heat exchanger and combustor cooperation, sets up in the combustion chamber of heat exchanger through the head with the combustor, can save more spaces and be used for the heat transfer.

Description

Gas water heater with spiral heat exchanger

Technical Field

The utility model relates to a gas water heater technique especially relates to a gas water heater with spiral heat exchanger.

Background

The efficiency of the gas water heater is mainly embodied in two aspects of combustion efficiency and heat exchange efficiency. The existing gas water heater usually adopts a diffusion type burner to match with a heat exchanger, however, the diffusion type burner needs a larger combustion chamber, the combustion temperature is low, the heat loss of smoke exhaust is large, and the combustion chamber occupies the heat exchange space of the heat exchanger, so that the combustion efficiency and the heat exchange efficiency of the existing gas water heater are not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a higher gas water heater that has spiral heat exchanger of efficiency.

The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.

According to the utility model discloses an aspect provides a gas water heater with spiral heat exchanger, the induction cooker comprises a cooker bod, be provided with the inner bag in the furnace body, the inside spiral heat exchanger that is provided with of inner bag, spiral heat exchanger upper end is through combustor and air inlet interface and gas interface connection, spiral heat exchanger lower extreme and the interface connection that discharges fume, spiral heat exchanger is including the burning chamber and the heat transfer chamber that communicate each other, the head of combustor set up in the burning intracavity, the heat transfer chamber is spiral center on the burning chamber.

In one embodiment, the pipe diameter of the combustion chamber is 2-3 times of that of the heat exchange chamber, and the diameter of the heat exchange chamber is 20-40 mm.

In one embodiment, the combustor is a fully premixed combustor.

In an embodiment, the head of the burner is surrounded by a metal fiber mesh.

In one embodiment, the head of the burner is provided with a micro fire hole.

In one embodiment, the air inlet interface is communicated with a fan, and the fan is a variable frequency fan.

In one embodiment, the fully premixed burner is connected with the top of the furnace body through a flange.

In one embodiment, a water inlet and a water outlet are arranged on the side wall of the furnace body.

In one embodiment, a safety valve is further arranged on the side wall of the furnace body.

In one embodiment, the lower part of the side wall of the furnace body is provided with a cleaning hole and a drain valve.

The embodiment of the utility model provides a beneficial effect is: through adopting spiral heat exchanger and combustor cooperation, can improve burning and heat exchange efficiency, set up in the combustion chamber of heat exchanger through the head with the combustor, can save more spaces and be used for the heat transfer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.

The above features and advantages of the present invention will be better understood after reading the detailed description of embodiments of the present disclosure in conjunction with the following drawings. In the drawings, components are not necessarily drawn to scale, and components having similar relative characteristics or features may have the same or similar reference numerals.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic view of a burner configuration according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a spiral heat exchanger according to an embodiment of the present application;

wherein: 1-furnace body; 11-an inner container; 2-a spiral heat exchanger; 21-a combustion chamber; 22-a heat exchange cavity; 3-a burner; 31-a metal fiber web; 32-micro fire holes; 33-air inlet interface; 4-smoke discharging interface; 5, a fan; 6-water inlet; 7-water outlet; 8-safety valve; 9-cleaning holes; 10-a blowdown valve.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be understood as imposing any limitation on the scope of the present invention.

As shown in fig. 1 to 3, the embodiment of the application provides a gas water heater with a spiral heat exchanger, which includes a furnace body 1, an inner container 11 is arranged in the furnace body 1, the spiral heat exchanger 2 is arranged in the inner container 11, the upper end of the spiral heat exchanger 2 is connected with an air inlet port 33 and a gas port (shielded in the figure) through a burner 3, and the lower end of the spiral heat exchanger 2 is connected with a smoke exhaust port 4. As shown in fig. 2, the spiral heat exchanger 2 includes a combustion chamber 21 and a heat exchange chamber 22 which are communicated with each other, a head of the burner 21 is disposed in the combustion chamber 21, and the heat exchange chamber 22 spirally surrounds the combustion chamber 21. The gas is burnt at the head of the burner 21, and the flue gas passes through the burning cavity 21 and the heat exchange cavity 22, exchanges heat in the inner container 1, and is finally discharged through the smoke discharging interface 4.

In the embodiment, the pipe diameter of the combustion chamber 21 is 2 to 3 times of that of the heat exchange chamber 22, and the diameter of the heat exchange chamber 22 is 20mm to 40mm. In the present embodiment, the pipe diameter of the combustion chamber 21 is 60mm, and the diameter of the heat exchange chamber 22 is 25mm.

Preferably, the combustor 3 is a full premix combustor, and the combustion is more complete by mixing air and gas. Referring to fig. 3, the head of the burner 21 is surrounded by a metal fiber net 31 to shorten the flame length and realize low-carbon combustion. In addition, the burner 3 has a head portion with micro fire holes 32 to prevent backfire and to make the flame distribution uniform.

Further, the air inlet interface 33 is communicated with the fan 5, and the fan 5 adopts a variable frequency fan, so that the air flow can be accurately controlled, and the output composite stepless regulation is realized.

In the connection mode, the fully premixed burner is connected with the top of the furnace body 1 through a flange, and other connection modes such as welding and the like can be adopted, which is not limited herein.

More conventionally, a water inlet 6 and a water outlet 7 are arranged on the side wall of the furnace body 1, a plurality of groups of water inlets 6 and water outlets 7 can be arranged, and the position height can be designed according to requirements. In order to facilitate cleaning and sewage discharge, the side wall of the furnace body 1 is also provided with a cleaning hole 9 and a sewage discharge valve 10. In addition, a safety valve 8 matched with a temperature controller is further arranged on the furnace body 1 to ensure the operation safety.

To sum up, the gas water heater with spiral heat exchanger that this application provided can improve burning and heat exchange efficiency through adopting spiral heat exchanger and combustor cooperation, sets up in the combustion chamber of heat exchanger through the head with the combustor, can save more spaces and be used for the heat transfer.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only a preferred example of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. The utility model provides a gas water heater with spiral heat exchanger which characterized in that: the furnace comprises a furnace body, be provided with the inner bag in the furnace body, the inside spiral heat exchanger that is provided with of inner bag, spiral heat exchanger upper end is through combustor and air inlet interface and gas interface connection, spiral heat exchanger lower extreme and the interface connection of discharging fume, spiral heat exchanger is including the burning chamber and the heat transfer chamber of intercommunication each other, the head of combustor set up in the burning intracavity, the heat transfer chamber is spiral around the burning chamber.

2. The gas-fired water heater with spiral heat exchanger of claim 1, characterized in that: the pipe diameter of the combustion cavity is 2-3 times of that of the heat exchange cavity, and the diameter of the heat exchange cavity is 20-40 mm.

3. The gas-fired water heater with spiral heat exchanger of claim 1, characterized in that: the combustor is a full premix combustor.

4. Gas-fired water heater with spiral heat exchanger according to claim 3, characterized in that: the head of the burner is surrounded by a metal fiber mesh.

5. The gas-fired water heater with spiral heat exchanger of claim 3 wherein: the head of the burner is provided with a micro fire hole.

6. The gas-fired water heater with spiral heat exchanger of claim 1, characterized in that: the air inlet interface is communicated with a fan, and the fan is a variable frequency fan.

7. Gas-fired water heater with spiral heat exchanger according to claim 3, characterized in that: the full premix burner is connected with the top of the furnace body through a flange.

8. The gas-fired water heater with spiral heat exchanger of claim 1, characterized in that: and a water inlet and a water outlet are formed in the side wall of the furnace body.

9. The gas-fired water heater with spiral heat exchanger of claim 1, characterized in that: and a safety valve is also arranged on the side wall of the furnace body.

10. The gas-fired water heater with spiral heat exchanger of claim 1, characterized in that: the lower part of the side wall of the furnace body is provided with a cleaning hole and a blow-down valve.