Novel practical heating furnace smoke tube

By designing a high-pressure fan and a wind-powered gas-gathering pipe, a non-contact negative pressure smoke exhaust system is formed, which solves the problems of poor smoke exhaust effect and easy damage of traditional stove smoke pipes, and achieves long-term reliable operation of the fan.

CN223807203UActive Publication Date: 2026-01-16曾越
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Patent Information

Application Number
CN202520188500.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-16
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Traditional fireplaces have poor smoke extraction efficiency and the fan impeller is prone to thickening of deposits, which leads to corrosion of the fan bearings and increases maintenance workload.

Method used

The system employs a high-pressure fan and a wind-powered air-gathering duct design to form a non-contact negative pressure smoke exhaust system. The air is injected at high speed into the transverse flue through the wind-powered air-gathering duct, and the negative pressure effect is used to achieve non-contact smoke exhaust, avoiding direct contact between the fan impeller and the flue gas.

Benefits of technology

It improved the operating environment of the wind turbine, extended the reliable working time of the wind turbine, and reduced the frequency of maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223807203U_ABST
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Abstract

The utility model relates to the technical field of flue smoke discharge, in particular to a novel practical heating furnace smoke pipe which comprises a fan, an air check valve, a wind power gas gathering pipe and a three-way pipe, the three-way pipe comprises a transverse smoke pipe body and a vertical smoke pipe body, the wind power gas gathering pipe body is coaxially arranged in the transverse smoke pipe body, and the vertical smoke pipe body is coaxially arranged in the vertical smoke pipe body. The inlet end of the wind power air inlet pipe is connected with the fan and the air check valve, the air check valve is arranged between the fan and the wind power air gathering pipe, and the end, close to the air check valve, of the wind power air gathering pipe is tightly connected with the inner wall of the transverse smoke pipe. A wind power gas gathering pipe is arranged in the transverse smoke pipe in a surrounding mode, and a heat insulation plate is arranged on the side, close to the air check valve, of a communication opening of the transverse smoke pipe and the vertical smoke pipe. The non-contact negative pressure smoke exhaust system is reasonable in structure, air blown by the fan is sprayed out at the wind power gas gathering pipe in an accelerated mode, negative pressure is formed at the communicating position of the vertical smoke pipe and the transverse smoke pipe, the non-contact negative pressure smoke exhaust system is formed, meanwhile, direct contact between the impeller and smoke is avoided, and the service life of the fan is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a flue exhaust technology field, concretely points to a novel practical heating stove smoke pipe. BACKGROUND

[0002] The flue gas pipe of the traditional heating stove usually sets up two forms: one is the ordinary smoke pipe, just simple pipe body, natural discharge, and the smoke exhaust effect is poor; the other is to set up the flue gas induced draft fan on the smoke exhaust pipe body, and the flue gas induced draft fan is extracted, and it can only be used for 2-3 days to clean the impeller of the induced draft fan, with the thickening of the residual adhesive on the impeller, the cleaning effect is very poor, and the impeller dynamic balance failure often occurs, and the bearing bush of the fan is also seriously corroded, and many tedious work is increased. SUMMARY

[0003] The utility model solves the technical problem of overcoming the above-mentioned technical defects, and provides a novel practical heating stove smoke pipe.

[0004] A novel practical heating stove smoke pipe, including fan, air check valve, wind force gas gathering pipe and three-way pipe, the three-way pipe includes horizontal smoke pipe and vertical smoke pipe, the wind force gas gathering pipe is coaxial and is established in the horizontal smoke pipe, the import end of wind force air inlet pipe is connected fan and air check valve, the air check valve is established between fan and wind force gas gathering pipe, the wind force gas gathering pipe is closely connected with the inner wall of horizontal smoke pipe at the end close to air check valve, and the heat insulation plate is arranged around the wind force gas gathering pipe in the horizontal smoke pipe and is close to the air check valve side at the communication port of horizontal smoke pipe and vertical smoke pipe.

[0005] Further, the end close to the air check valve of the wind force gas gathering pipe is in the shape of a bucket.

[0006] Further, the fan uses a high-pressure fan.

[0007] Further, the heat insulation plate is in the shape of an arc and plays a flow guiding role.

[0008] Further, the end of the horizontal smoke pipe outlet and the bottom end of the vertical smoke pipe are both provided with a smoke pipe butt joint.

[0009] The utility model has the advantages that the utility model has reasonable structure, the high-pressure fan pressurizes air and sprays the air into the horizontal flue through the wind force gas gathering pipe, the diameter of the end of the wind force gas gathering pipe away from the fan is smaller than that of the horizontal flue, the high-speed sprayed air forms a negative pressure effect at the communication port of the vertical smoke pipe and the horizontal smoke pipe, a non-contact negative pressure smoke exhaust system is formed, the fan direct discharge is avoided, the direct contact between the impeller and the flue gas is avoided, the operation environment of the fan is improved, and long-term reliable work of the fan is realized. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a schematic view of a novel practical heating stove smoke pipe.

[0011] As shown in the figure: 1, fan; 2, air check valve; 3, wind power gas gathering pipe; 4, tee pipe; 5, heat insulation plate; 6, smoke pipe butt joint; 401, horizontal smoke pipe; 402, vertical smoke pipe. DETAILED DESCRIPTION

[0012] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0013] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0014] In the description of the embodiments of the present application, if a certain feature is referred to as "provided", "fixed", "connected", "installed" on another feature, it can be directly provided, fixed, connected or installed on the other feature, or indirectly provided, fixed, connected or installed on the other feature.

[0015] In the description of the embodiments of the present application, if "several" is involved, it means more than one, if "multiple" is involved, it means more than two, and if "greater than", "less than", "exceeds" is involved, it should be understood as not including the number itself, if "and above", "and below", "and within" are involved, it should be understood as including the number itself. If "first" and "second" are involved, it should be understood that they are used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0016] The present application will be further described in detail below with reference to the accompanying drawings.

[0017] The utility model provides a novel practical stovepipe of a heating stove, which comprises a fan 1, an air check valve 2, an air force air collecting pipe 3 and a tee pipe 4, the tee pipe 4 comprises a horizontal smoke pipe 401 and a vertical smoke pipe 402, the air force air collecting pipe 3 is coaxially arranged in the horizontal smoke pipe 401, the air inlet end of the air force air collecting pipe 3 is connected with the fan 1 and the air check valve 2, the air check valve 2 is arranged between the fan 1 and the air force air collecting pipe 3, the air force air collecting pipe 3 is tightly connected with the inner wall of the horizontal smoke pipe 401 at the end close to the air check valve 2, and a heat insulation plate 5 is arranged around the air force air collecting pipe 3 in the horizontal smoke pipe 401 and close to the air check valve 2 at the communication port of the horizontal smoke pipe 401 and the vertical smoke pipe 402.

[0018] As a preferred embodiment of the utility model, the end of the air force air collecting pipe 3 close to the air check valve 2 is in the shape of a bucket.

[0019] As a preferred embodiment of the utility model, the fan is a high-pressure fan.

[0020] As a preferred embodiment of the utility model, the heat insulation plate 5 is in the shape of an arc and plays a role of flow guide.

[0021] As a preferred embodiment of the utility model, the outlet end of the horizontal smoke pipe 401 and the bottom end of the vertical smoke pipe 402 are both provided with a smoke pipe butt joint 6.

[0022] In the specific work, the high-pressure fan is used to inject high-speed air into the horizontal smoke pipe 401 through the air force air collecting pipe 3, as shown by the wireframe arrow in the figure, Figure 1 because the diameter of the air force air collecting pipe 3 is much smaller than that of the horizontal smoke pipe 401 and gradually decreases, the air is accelerated, the high-speed air flowing through the vertical smoke pipe and the horizontal smoke pipe forms a negative pressure at the communication port, forming a non-contact negative pressure smoke exhaust system, avoiding the direct contact between the fan impeller and the exhaust smoke, well improving the operation environment of the fan and realizing the long-term reliable work of the fan.

[0023] The utility model and its embodiments have been described above, and the description is not restrictive, and the embodiment shown in the figure is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A novel utility fire stove flue, characterised in that: It comprises a fan (1), an air check valve (2), an air gathering pipe (3) and a tee pipe (4), the tee pipe (4) comprises a horizontal flue (401) and a vertical flue (402), the air gathering pipe (3) is coaxially arranged in the horizontal flue (401), the air gathering pipe (3) is connected with the fan (1) and the air check valve (2) at the inlet end, the air check valve (2) is arranged between the fan (1) and the air gathering pipe (3), the air gathering pipe (3) is tightly connected with the inner wall of the horizontal flue (401) at the end close to the air check valve (2), and a heat insulation plate (5) is arranged in the horizontal flue (401) around the air gathering pipe (3) and close to the air check valve (2) at the communication opening of the horizontal flue (401) and the vertical flue (402).

2. A novel utility fire stove flue as claimed in claim 1, wherein: The air gathering pipe (3) is in the shape of a bucket at the end close to the air check valve (2).

3. A novel utility stove smoke pipe according to claim 1, characterized in that: The fan (1) is a high-pressure fan.

4. A novel utility stove smoke pipe according to claim 1, wherein: The heat insulation plate (5) is in the shape of an arc and plays a flow guiding role.

5. A novel utility stove smoke pipe according to claim 1, wherein: The horizontal flue (401) is provided with a flue butt joint (6) at the outlet end, and the vertical flue (402) is provided with a flue butt joint (6) at the bottom end.