CN217031260U

CN217031260U - Heat exchange device for gas stove and gas stove applying same

Info

Publication number: CN217031260U
Application number: CN202121226162.9U
Authority: CN
Inventors: 赵浩启; 赵彦胜; 赵彦房; 赵艳丽
Original assignee: Individual
Current assignee: Guangdong Shenxiang Intelligent Kitchen Energy saving Technology Co.,Ltd.
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-07-22
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a heat exchange device for a gas stove, which comprises a stove body arranged in a stove body of the gas stove, wherein the stove body is of a hollow structure with an interlayer, a plurality of heat exchange tubes are arranged in the interlayer, the upper ends of the heat exchange tubes are communicated with the inside of the stove body, the lower ends of the heat exchange tubes are communicated with a smoke exhaust tube connected to the outside of the stove body, the inlet end of the smoke exhaust tube is also communicated with the inside of the stove body, and a plurality of through holes communicated with the upper ends of the heat exchange tubes are arranged on the inner wall surface of the stove body; a water inlet pipe and a water outlet pipe are respectively arranged outside the furnace body and are communicated with the interlayer; and a blow-off pipe which is communicated with the interlayer and is provided with a flow control switch is also arranged outside the furnace body. The utility model has strong practicability and functionality and can be widely applied to the technical field of gas stoves.

Description

Heat exchange device for gas stove and gas stove applying same

Technical Field

The utility model relates to the field of gas stoves, in particular to a heat exchange device for a gas stove and a gas stove applying the heat exchange device.

Background

The gas stove in the prior art structurally comprises a hearth body and a burner positioned in the hearth body, and the gas stove adopts the working mode that after the burner is ignited, the flame generated in the combustion process is utilized to heat equipment such as a heat exchange pot and the like, so that the purpose of heat exchange is realized. However, the heat exchange equipment in the prior art cannot protect the gas stove in the process of realizing combustion heat exchange, and has the problem that part of heat is dissipated in the combustion process, so that the energy utilization rate is low.

Therefore, a device capable of improving the service life of the device and fully utilizing the heat for combustion needs to be provided.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides a heat exchange device which fully utilizes the heat generated in the working process of a gas stove, and the redundant heat is utilized to heat the water of the designated part, thereby providing convenience for users; and the heat exchange device is arranged on the gas stove, thereby providing the gas stove with better working efficiency for users.

The technical scheme provided by the utility model is as follows:

a heat exchange device for a gas stove comprises a stove body which is placed in a stove body of the gas stove, wherein the stove body is of a hollow structure with an interlayer, a plurality of heat exchange tubes are arranged in the interlayer, the upper ends of the heat exchange tubes are communicated with the inside of the stove body, the lower ends of the heat exchange tubes are communicated with a smoke exhaust tube arranged on the outer wall surface of the stove body, the inlet end of the smoke exhaust tube is communicated with the inside of the stove body, and a plurality of through holes communicated with the upper ends of the heat exchange tubes are arranged on the inner wall surface of the stove body; a water inlet pipe and a water outlet pipe are respectively arranged outside the furnace body and are communicated with the interlayer; and a blow-off pipe which is communicated with the interlayer and is provided with a flow control switch is also arranged outside the furnace body.

Furthermore, the interlayer extends from the upper end of the furnace body to the position of the smoke exhaust pipe, the heat exchange pipe is in a 7 shape, and the heat exchange pipe is in a corrugated pipe structure with bulges on the surface;

the through holes are circumferentially arranged on the inner wall surface of the furnace body, the upper end of the heat exchange tube is inserted into the through holes, the lower end of the heat exchange tube penetrates through the bottom end surface close to the lower part of the interlayer, the bottom end surface, the lower end surface of the furnace body and the side wall surface of the furnace body form a cavity together in an enclosing mode, and the smoke exhaust tube is communicated with the cavity.

Further, the furnace body is of a cylindrical structure with openings at two ends, an upper cavity and a lower cavity are arranged in the furnace body, the through hole is located in the upper cavity, the heat exchange tube extends to the lower cavity, and the inner diameter of the upper cavity is larger than that of the lower cavity.

Further, the bottom end face divides the interlayer into an upper interlayer and a lower interlayer, and the bottom end face is located at the height of the lower cavity; the drain pipe is located bottom end face upper portion, be equipped with manual control valve on the drain pipe.

The utility model also provides a technical scheme that:

the gas stove comprises a stove body with supporting legs and a back plate located on the rear side of the stove body, wherein a hot water pipe and a cold water pipe are arranged on the back plate, the water outlet end of the cold water pipe is connected with a water inlet pipe, and the hot water pipe is connected with the water outlet end of a water outlet pipe.

Further, a control handle is arranged on the front side of the stove body, a burner is arranged in the upper cavity, and the control handle controls starting and stopping of the burner.

Furthermore, the stove body is of a cabinet type structure, and the back plate is fixedly connected to the upper end face of the stove body.

Furthermore, the number of the heat exchange devices on the stove body is one or two.

Compared with the prior art, the utility model has the advantages that:

the furnace body with the heat exchange tubes arranged inside is provided, the interlayer is arranged in the furnace body, and the through hole, the water inlet tube, the water outlet tube and the smoke exhaust tube are arranged in the furnace body, so that the aim of heating water in the interlayer by using part of heat generated in the combustion process of the gas stove is fulfilled, the aim of fully utilizing smoke in the combustion process is fulfilled, and the furnace body is high in functionality;

through setting up heat transfer device on the gas-cooker, can reach and realize providing the purpose of hot water on satisfying the basis that the user cooks, richened the function of gas-cooker among the prior art, and can improve the life of gas-cooker, the practicality is strong.

Drawings

FIG. 1 is a view showing the construction of a gas range of the present invention;

FIG. 2 is a first structural view of a heat exchange apparatus according to the present invention;

FIG. 3 is a second structural view of the heat exchanger apparatus of the present invention;

fig. 4 is a cross-sectional view of fig. 3 in the present invention.

Detailed Description

The present invention is described in further detail below with reference to FIGS. 1-4.

Example one

A heat exchange device for a gas stove comprises a stove body 1 placed in a stove body of the gas stove, the stove body 1 is hollow and has a structure with an interlayer 2, a plurality of heat exchange tubes 3 are arranged in the interlayer 2, the upper ends of the heat exchange tubes 3 are communicated with the interior of the stove body 1, the lower ends of the heat exchange tubes 3 are communicated with a smoke exhaust tube 4 connected to the exterior of the stove body 1, the inlet end of the smoke exhaust tube 4 is also communicated with the interior of the stove body 1, and a plurality of through holes 5 communicated with the upper ends of the heat exchange tubes 3 are arranged on the inner wall surface of the stove body 1; a water inlet pipe 6 and a water outlet pipe 7 are respectively arranged outside the furnace body 1 and are communicated with the interlayer 2; a blow-off pipe which is communicated with the interlayer 2 and is provided with a flow control switch is also arranged outside the furnace body 1.

On the basis of the prior art, the utility model is additionally provided with the interlayer 2 with the heat exchange tube 3, and the smoke exhaust tube 4, the water inlet tube 6 and the water outlet tube 7, thereby realizing the purpose of fully utilizing the heat generated in the combustion process, and the specific working principle is as follows:

a water source to be heated is conveyed into the interlayer 2 by using the water inlet pipe 6, so that the interlayer 2 is filled with the water to be heated, then the gas stove is ignited, a part of generated flue gas enters the heat exchange pipe 3 through the through hole 5, the temperature of the part of flue gas is higher, and the part of flue gas exchanges heat with the water flowing outside the heat exchange pipe 3, so that the water is heated; then, the water heated and heated is discharged from the water outlet pipe 7 and is conveyed to a designated heat preservation box for other purposes, so that the function of fully utilizing heat is realized; and the flue gas after heat exchange is discharged from the smoke exhaust pipe 4, and impurities such as dirt carried in water can be discharged from the sewage discharge pipe periodically in the heat exchange process.

The interlayer 2 extends to the upper part of the smoke exhaust pipe 4 from the upper end of the furnace body 1, the heat exchange pipe 3 is in a 7 shape, and the heat exchange pipe 3 is in a corrugated pipe structure with bulges on the surface;

the through holes 5 are circumferentially arranged on the inner wall surface of the furnace body 1, the upper end of the heat exchange tube 3 is inserted into the through holes 5, the lower end of the heat exchange tube 3 is close to the bottom end surface 10 of the interlayer 2, the bottom end surface 10, the lower end surface of the furnace body 1 and the side wall surface of the furnace body 1 form a cavity together in a surrounding mode, and the smoke exhaust tube 4 is communicated with the cavity.

The heat exchange tube 3 is used for realizing that high-temperature flue gas and heat generated in the combustion process flow through the interior of the heat exchange tube 3, and the exterior of the heat exchange tube 3 is surrounded by water to be heated, so that the function of heating the water in the interlayer 2 by using the heat in the heat exchange tube 3 can be realized, and the heated water is conveyed out by using the water outlet tube 7 and used for other purposes. The flue gas after heat exchange is discharged from the smoke discharge pipe 4, and the heat exchange process is completed.

Structurally, through setting up heat exchange tube 3 into the bellows structure, can reach the heat transfer area that enlarges the water in flue gas and the intermediate layer 2 and carry out the heat transfer to improve heat exchange efficiency.

The furnace body 1 is set to be of a columnar structure with two open ends, an upper cavity 11 and a lower cavity 12 are arranged in the furnace body 1, the through hole 5 is located at the upper cavity 11, the heat exchange tube 3 extends to the lower cavity 12, and the inner diameter of the upper cavity 11 is larger than that of the lower cavity 12.

The upper cavity 11 and the lower cavity 12 can be internally provided with a burner and a pipeline for gas transmission, and are combusted after being ignited, and a part of flames and flue gas enter the heat exchange tube 3 from the through hole 5, so that the purpose of reusing heat carried by the part of flue gas is realized.

The bottom end surface 10 divides the interlayer 2 into an upper interlayer 2.1 and a lower interlayer 2.2, and the bottom end surface 10 is positioned at the height of the lower cavity 12; the sewage draining pipe is positioned at the upper part of the bottom end surface 10.

In order to realize the function of conveying hot water at a preset temperature, electromagnetic valves can be arranged on at least the water outlet pipe 7 and the water inlet pipe 6, the electromagnetic valves are in electric signal connection with a remote controller, a temperature sensor is arranged at the position of the water outlet pipe 7, the temperature of water to be subjected to heat exchange is monitored, when the temperature reaches over 65 ℃, the controller controls the electromagnetic valves to be opened to output the water, otherwise, the water is continuously subjected to circulating heat exchange, and the water is opened again after the temperature reaches a certain high temperature.

After the device is operated for a period of time, the manual control valve is opened to discharge impurities in the interlayer 2, so that the continuous and stable operation of the device is facilitated.

Therefore, the present device provides a structure having the heat exchange pipe 3 and the interlayer 2, so that a part of heat generated during the combustion process is utilized to heat water in the interlayer 2, thereby achieving a function of making full use of the heat generated during the combustion process of the burner. In addition, in order to realize the function of continuously utilizing heat generated in the combustion process, the lower part of the furnace body 1 is provided with the smoke exhaust pipe 4, the smoke exhaust pipe 4 is utilized to realize the function of exhausting the smoke subjected to heat exchange, and the smoke exhaust device is high in functionality and practicability. Finally, through set up the blow off pipe on furnace body 1 to reach the purpose of the impurity of periodic discharge aquatic, prevented to cause harm such as corruption to furnace body 1, improve the stability of equipment operation.

Example two

The other structures are kept unchanged, and the water outlet pipe 7 is arranged at a position close to the lower end of the interlayer 2 and above the smoke exhaust pipe 4, so that the function of exhausting the heated hot water in the interlayer 2 is realized.

EXAMPLE III

The heat exchange device in the first embodiment is applied to a gas stove, so that the functions of cooking and heating water supply are realized. The concrete points are as follows:

the gas stove comprises a stove body 15 with supporting legs 14 and a back plate 16 positioned on the rear side of the stove body 15, wherein a hot water pipe 17 and a cold water pipe 18 are arranged on the back plate 16, the water outlet end of the cold water pipe 18 is connected with a water inlet pipe 6, and the hot water pipe 17 is connected with the water outlet end of a water outlet pipe 7.

The cold water pipe 18 is connected and communicated with the water inlet pipe 6, the hot water pipe 17 is connected and communicated with the water outlet pipe 7, so that the purpose of inputting and outputting water sources into the furnace body 1 is achieved, and for the convenience of control, flow valves can be respectively arranged on the cold water pipe 18 and the hot water pipe 17, so that the purpose of applying the water sources to civil and commercial combustion processes is achieved.

The front side of the stove body 15 is provided with a control handle 19, a burner 20 is arranged in the upper cavity 11, and the control handle 19 controls the start and stop of the burner 20.

Different numbers of control handles 19 are selectively provided according to the number of heat exchanging devices provided on the range body 15, thereby achieving the purpose of simultaneously heating a plurality of cooking devices such as rice cookers.

The stove body 15 is designed as a cabinet structure, and the back plate 16 is fixedly connected to the upper end surface of the stove body 15.

One or two heat exchange devices are arranged on the cooker body 15.

According to different use scenes, the heat exchange devices with different numbers can be selectively arranged, and the working efficiency is improved.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A heat exchange device for a gas stove is characterized by comprising a stove body which is placed in a stove body of the gas stove, wherein the stove body is of a hollow structure with an interlayer, a plurality of heat exchange tubes are arranged in the interlayer, the upper ends of the heat exchange tubes are communicated with the interior of the stove body, the lower ends of the heat exchange tubes are communicated with a smoke exhaust tube arranged on the outer wall surface of the stove body, the inlet ends of the smoke exhaust tube are communicated with the interior of the stove body, and a plurality of through holes communicated with the upper ends of the heat exchange tubes are arranged on the inner wall surface of the stove body; a water inlet pipe and a water outlet pipe are respectively arranged outside the furnace body and are communicated with the interlayer; and a blow-off pipe which is communicated with the interlayer and is provided with a flow control switch is also arranged outside the furnace body.

2. The heat exchange device for the gas stove as claimed in claim 1, wherein the interlayer extends from the upper end of the stove body to the position of the smoke exhaust pipe, the heat exchange pipe is in a 7 shape, and the heat exchange pipe is in a corrugated pipe structure with a raised surface;

3. The heat exchange device for the gas stove as claimed in claim 2, wherein the stove body is a columnar structure with openings at two ends, an upper cavity and a lower cavity are arranged in the stove body, the through hole is located at the upper cavity, the heat exchange tube extends to the lower cavity, and the inner diameter of the upper cavity is larger than that of the lower cavity.

4. The heat exchanging apparatus for a gas range as recited in claim 3, wherein the bottom end surface divides the sandwich layer into an upper sandwich layer and a lower sandwich layer, the bottom end surface being located at a height of the lower cavity; the drain pipe is positioned on the upper part of the bottom end face, and a manual control valve is arranged on the drain pipe.

5. A gas stove with a heat exchange device, which is characterized in that the heat exchange device is the heat exchange device of any one of claims 1 to 4, the gas stove comprises a stove body with supporting legs and a back plate positioned at the rear side of the stove body, a hot water pipe and a cold water pipe are arranged on the back plate, the water outlet end of the cold water pipe is connected with a water inlet pipe, and the hot water pipe is connected with the water outlet end of a water outlet pipe.

6. The gas stove with the heat exchange device as claimed in claim 5, wherein a control handle is provided at the front side of the stove body, a burner is provided in the upper chamber, and the control handle controls the start and stop of the burner.

7. The gas stove with the heat exchange device as claimed in claim 6, wherein the stove body is a cabinet structure, and the back plate is fixedly connected to the upper end surface of the stove body.

8. The gas stove with the heat exchange device as claimed in claim 5, wherein the heat exchange device is provided in one or two on the stove body.