Medium heat exchange structure for combustion furnace

By installing a medium heat exchange structure inside the combustion furnace, including a warm water jacket and heat exchange coils, the problem of the combustion furnace being unable to provide warm water for washing is solved, realizing the dual functions of heating and hot water for washing.

CN223992258UActive Publication Date: 2026-03-13SHANDONG YUNJING ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

The existing combustion furnace has only one function and cannot provide warm water for washing.

Method used

A medium heat exchange structure is installed inside the combustion furnace, including a hot water jacket and a heat exchange coil. The hot water jacket is used for heating, and the heat exchange coil is used to provide hot water for washing. The two water circuits are independent and do not interfere with each other.

Benefits of technology

It achieves the dual functions of heating and providing hot water for washing, thus expanding the functionality of the combustion furnace.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223992258U_ABST
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Abstract

The medium heat exchange structure comprises a furnace body, a combustion chamber and a stock bin are arranged in the furnace body, and the bottom end of the stock bin feeds fuel to a first fire grate at the bottom of the combustion chamber through a feeding component; a smoke and fire pipe is arranged on the outer side of the combustion chamber and located in a warm water interlayer between the combustion chamber and the boiler body. And a heat exchange coil arranged in the warm water interlayer is also arranged in the furnace body. A heat exchange coil pipe is further arranged in the warm water interlayer, not only can heat supply be provided, but also washing hot water can be provided, the two water ways are mutually independent and do not interfere with each other, and the using function is greatly expanded.
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Description

Technical Field

[0001] This utility model belongs to the field of combustion furnace technology, and in particular relates to a medium heat exchange structure for combustion furnaces. Background Technology

[0002] It is common to use a stove for heating or cooking in winter.

[0003] The existing combustion furnaces also have the function of using circulating water to heat the room, but the function is relatively simple and there are no other functions, such as the function of connecting to a faucet to provide warm water for washing. Utility Model Content

[0004] This invention provides a medium heat exchange structure for a combustion furnace to solve the problems mentioned in the background art.

[0005] To solve the above-mentioned technical problems, this utility model provides a medium heat exchange structure for a combustion furnace, including a furnace body, a combustion chamber and a hopper inside the furnace body, fuel being fed into a grate at the bottom of the combustion chamber through a feeding component at the bottom of the hopper, and an igniter corresponding to the grate being provided inside the furnace body.

[0006] At least one fire pipe is provided on the outside of the combustion chamber and communicates with it. The fire pipe is located in the hot water jacket between the combustion chamber and the furnace body.

[0007] The furnace body is also provided with a medium heat exchange structure; the medium heat exchange structure includes heat exchange coils placed in the hot water jacket.

[0008] As a further improvement, the heat exchanger inlet of the heat exchanger coil is located near the bottom of the furnace body, and the heat exchanger outlet of the heat exchanger coil is located near the top of the furnace body.

[0009] As a further improvement, the feeding component is at least one feeding auger.

[0010] As a further improvement, the grate is detachably connected to the combustion chamber.

[0011] The beneficial technical effects of this utility model are as follows:

[0012] The heating water jacket is also equipped with heat exchange coils, which can provide not only heating but also hot water for washing. The two water circuits are independent of each other and do not interfere with each other, greatly expanding the functionality. Attached Figure Description

[0013] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a three-dimensional sectional view illustrating the structure of this utility model;

[0015] Figure 3 This is a schematic front sectional view of the structure of this utility model;

[0016] Figure 4 This is a schematic rear view of the structure of this utility model;

[0017] Figure 5 This is a three-dimensional exploded view illustrating the structure of this utility model.

[0018] In the picture:

[0019] 1. Furnace body 2. Side plate 3. Combustion chamber 4. Feed hopper 5. Feeding components 6. Grate 1 7. Hot water jacket 8. Heat exchange coil 81. Heat exchange inlet 82. Heat exchange outlet 9. Fire tube. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] like Figures 1 to 5As shown, this utility model provides a medium heat exchange structure for a combustion furnace, including a furnace body 1. The furnace body 1 contains a combustion chamber 3 and a fuel bin 4. Fuel is fed from the bottom of the fuel bin 4 onto a grate 6 at the bottom of the combustion chamber 3 via a feeding component 5 (i.e., a feeding auger). An igniter corresponding to the grate 6 is installed inside the furnace body 1. The igniter ignites the fuel, which then burns on the grate 6. The feeding auger can automatically feed the fuel to ensure continuous combustion. Two feeding augers can be used to improve feeding stability.

[0024] At least one fire pipe 9 is provided on the outside of the combustion chamber 3, and multiple fire pipes are provided as shown in the figure. The fire pipes 9 are located in the hot water jacket 7 between the combustion chamber 3 and the furnace body 1 to heat the water in the jacket. The water in this hot water jacket 7 is used for heating and is connected to the radiator through pipes for recycling.

[0025] The furnace body 1 is also equipped with a medium heat exchange structure, which includes a heat exchange coil 8 placed in the hot water jacket 7. The coil is arranged in a serpentine pattern to improve heat exchange efficiency. The two water circuits are independent and do not interfere with each other. The water in the hot water jacket 7 is used for heating, and the water in the heat exchange coil 8 is used for washing. The water in the heat exchange coil 8 can exchange heat with the water in the hot water jacket 7, making the water for washing warm and comfortable, greatly facilitating people's daily washing needs.

[0026] As a further improvement, the heat exchanger coil 8 has its heat exchanger inlet 81 located near the bottom of the furnace body 1, and its heat exchanger outlet 82 located near the top of the furnace body 1. This allows for gradual preheating of the incoming cold water, with the water near the top having the highest temperature and thus the highest output heat, making it convenient to use.

[0027] The beneficial technical effects of this utility model are as follows:

[0028] The heating water jacket is also equipped with heat exchange coils, which can provide not only heating but also hot water for washing. The two water circuits are independent of each other and do not interfere with each other, greatly expanding the functionality.

[0029] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A medium heat exchange structure for a combustion furnace, comprising a furnace body (1) having a combustion chamber (3) and a bunker (4) therein, the bottom end of the bunker (4) being connected to a feeding component (5) for feeding fuel to a grate (6) at the bottom of the combustion chamber (3), and the furnace body (1) having an igniter corresponding to the grate (6) therein. Characterized in that: At least one smoke pipe (9) is arranged on the outer side of the combustion chamber (3) and communicates with the combustion chamber (3), and the smoke pipe (9) is located in a warm water interlayer (7) between the combustion chamber (3) and the furnace body (1), The furnace body (1) further has a medium heat exchange structure therein, and the medium heat exchange structure comprises a heat exchange coil (8) arranged in the warm water interlayer (7).

2. A media heat exchange structure for a combustion furnace as defined in claim 1, wherein: The heat exchange inlet (81) of the heat exchange coil (8) is close to the bottom of the furnace body (1), and the heat exchange outlet (82) of the heat exchange coil (8) is close to the top of the furnace body (1).

3. A media heat exchange structure for a combustion furnace as defined in claim 2, wherein: The feeding component (5) is at least one feeding auger.

4. A media heat exchange structure for a combustion furnace as defined in claim 2, wherein: The grate (6) is detachably connected to the combustion chamber (3).