Multi-section oxygen-enriched combustion device

By using the airflow components and stirring mechanism of the multi-stage oxygen-enriched combustion device, the problem of incomplete combustion in traditional combustion devices is solved, achieving uniform mixing of fuel and oxygen, improving combustion efficiency and thermal efficiency, and reducing harmful gas emissions.

CN223499542UActive Publication Date: 2025-10-31SINOMA SUZHOU CONSTR
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Patent Information

Application Number
CN202423005993.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-10-31
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

Traditional combustion devices suffer from incomplete combustion, energy waste, and low thermal efficiency, leading to the emission of harmful gases. It is necessary to improve the convection of combustion air to promote full contact between fuel and air.

Method used

Design a multi-stage oxygen-enriched combustion device that employs an airflow component and a stirring mechanism. The device promotes airflow through a swing rod and fan blades, introduces oxygen-enriched air using an intake pump, and achieves uniform mixing of fuel and oxygen by utilizing an inclined annular partition plate and stirring blades.

Benefits of technology

It improves combustion efficiency and thermal efficiency, ensures complete combustion of fuel, reduces harmful gas emissions, and optimizes the combustion process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-section oxygen-enriched combustion device which comprises an air flowing assembly, a stirring mechanism and a furnace body, the stirring mechanism and the air flowing assembly are both installed in the furnace body, and the stirring mechanism is located above the air flowing assembly. A feeding channel is arranged on the top face of the furnace body, a discharging channel is arranged on the bottom face of the furnace body, the feeding channel is communicated with the furnace body, the furnace body is communicated with the discharging channel, and an air inlet pump is installed on the lower portion of the side wall of the furnace body. The air flowing assembly comprises a plurality of swinging rods, a moving plate and a cover body, the swinging rods are annularly distributed in the circumferential direction of the cover body, the swinging rods are rotationally connected to a fixing shaft, the fixing shaft is fixed to the cover body, the cover body is fixed to the bottom of the furnace body, fan blades are fixed to the two ends of each swinging rod, the swinging rods are fixed to connecting rods, and the connecting rods are fixed to straight groove rods; the straight groove rod is connected with a U-shaped rod, and the U-shaped rod is fixed to the movable plate. According to the utility model, oxygen flow can be realized through the air flow assembly to carry out oxygen-enriched combustion, and the combustion efficiency is improved.
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Description

Technical Field

[0001] This utility model belongs to the field of combustion equipment technology, and in particular relates to a multi-stage oxygen-enriched combustion device. Background Technology

[0002] In industrial production, combustion devices are key equipment for heating, reacting, and converting materials into energy. Traditional combustion technologies mainly include two types: natural draft combustion and forced draft combustion. Natural draft combustion relies on the natural upward movement of the hot air generated during combustion, while forced draft combustion uses equipment such as fans to force airflow to improve combustion efficiency. Although existing combustion technologies meet the needs of industrial production to a certain extent, they still have the following problems: traditional combustion devices often suffer from incomplete combustion, leading to energy waste and low thermal efficiency. Incomplete combustion produces harmful gases such as carbon monoxide and nitrogen oxides, causing serious environmental pollution. Therefore, it is necessary to improve the convection of combustion air to ensure sufficient contact between fuel and air, promote complete combustion, and improve combustion and thermal efficiency. Utility Model Content

[0003] The main technical problem solved by this utility model is to provide a multi-stage oxygen-enriched combustion device that can achieve oxygen flow through an air flow component to carry out oxygen-enriched combustion and improve combustion efficiency.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a multi-stage oxygen-enriched combustion device, comprising an air flow component, a stirring mechanism and a furnace body, wherein the stirring mechanism and the air flow component are both installed inside the furnace body, and the stirring mechanism is located above the air flow component;

[0005] The top surface of the furnace body is provided with a feeding channel, the bottom surface of the furnace body is provided with a discharging channel, the feeding channel is connected to the furnace body, the furnace body is connected to the discharging channel, and an air intake pump is installed on the lower part of the side wall of the furnace body, which is connected to the furnace body.

[0006] The airflow assembly includes several swing rods, a movable plate, and a cover. The swing rods are arranged in a ring around the circumference of the cover. Each swing rod is rotatably connected to a fixed shaft, which is fixed to the cover. The cover is fixed to the bottom of the furnace body. Fan blades are fixed to both ends of each swing rod. The swing rod is also fixed to a connecting rod, which is fixed to a straight groove rod. The straight groove rod is connected to a U-shaped rod, which is fixed to the movable plate. The movable plate is located at the center of the cover and is connected to a lifting drive mechanism, which is fixed to the furnace body. During the process of the lifting drive mechanism driving the movable plate to move up and down, the U-shaped rod slides along the straight groove rod, thereby causing the fan blades to swing up and down, effectively stimulating the airflow inside the furnace.

[0007] Furthermore, the stirring mechanism includes several sets of stirring blades and a stirring shaft. The stirring blades are fixed to the stirring shaft, the stirring shaft is connected to the output shaft of the stirring drive motor, and the stirring drive motor is fixed to the furnace body.

[0008] Furthermore, each set of stirring blades is provided with an annular partition plate below it. The annular partition plate is fixed to the inner wall of the furnace body and has through holes. The stirring shaft passes through the through holes, which helps to distribute the hot airflow evenly and realize multi-stage combustion.

[0009] Furthermore, the annular partition plate gradually slopes downward from the side towards the center at an angle of 7-15°.

[0010] Furthermore, a grille is provided between the airflow component and the stirring mechanism, and the grille is fixed to the inner wall of the furnace body.

[0011] Furthermore, the swing rod is provided with a shaft hole, through which the fixed shaft passes.

[0012] Furthermore, the U-shaped rod has a crossbar that passes through the guide groove of the straight rod, and the crossbar is capable of sliding along the direction of the guide groove.

[0013] Furthermore, the lifting drive mechanism includes an electric push rod, the output shaft of which is fixed to the movable plate.

[0014] Furthermore, the fan blades are spherical fan blades.

[0015] Furthermore, the cover is fixed to several fixing rods, and the fixing rods are fixed to the bottom of the furnace body.

[0016] The beneficial effects of this utility model are at least as follows:

[0017] The airflow assembly of this utility model includes several swing rods, a movable plate, and a cover. The swing rods are arranged in a ring around the circumference of the cover. The swing rods are rotatably connected to a fixed shaft, the fixed shaft is fixed to the cover, and the cover is fixed to the bottom of the furnace body. Fan blades are fixed at both ends of the swing rods, and the swing rods are fixed to connecting rods. The connecting rods are fixed to straight groove rods, the straight groove rods are connected to U-shaped rods, and the U-shaped rods are fixed to the movable plate. The movable plate is connected to a lifting drive mechanism, which is fixed to the furnace body. During the process of the lifting drive mechanism driving the movable plate to move up and down, the U-shaped rods slide along the straight groove rods, thereby driving the fan blades to swing up and down. This can effectively agitate the airflow inside the furnace, optimize the combustion process, and introduce oxygen-rich air through the air intake pump to enhance the combustion reaction and improve combustion efficiency.

[0018] Each set of stirring blades in this invention is provided with an annular partition plate below it, which helps to distribute the hot airflow evenly and realize multi-stage combustion. It is worth mentioning that the annular partition plate gradually slopes downward from the side to the center, with the perimeter being higher and the middle being lower, which facilitates downward transmission and improves thermal efficiency.

[0019] The stirring mechanism of this utility model includes several sets of stirring blades and stirring shafts, which stir and move the product and fuel to ensure thorough mixing with oxygen-enriched air, optimize the flow of hot air and the uniform distribution of materials, and facilitate the falling of materials. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a cross-sectional view of the present invention;

[0022] Figure 3 This is one of the structural schematic diagrams (including the cover) of the airflow component of this utility model;

[0023] Figure 4 This is the second structural schematic diagram of the airflow component of this utility model (without a cover);

[0024] Figure 5 This is the utility model Figure 4 A magnified view of point A;

[0025] The parts in the attached diagram are labeled as follows:

[0026] 1. Airflow assembly; 11. Swing rod; 111. Shaft hole; 12. Moving plate; 13. Cover; 131. Groove; 132. Fixing rod; 14. Fixing shaft; 15. Fan blade; 16. Connecting rod; 17. Straight groove rod; 171. Guide groove; 18. U-shaped rod; 181. Crossbar; 19. Electric push rod; 2. Stirring mechanism; 21. Stirring blade; 22. Stirring shaft; 23. Stirring drive motor; 24. Annular partition plate; 25. Through hole; 3. Furnace body; 31. Feeding channel; 32. Discharge channel; 33. Air pump; 34. Insulation chamber; 4. Grille. Detailed Implementation

[0027] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0028] Example: A multi-stage oxygen-enriched combustion device, such as Figure 1As shown, it includes an airflow assembly 1, a stirring mechanism 2, and a furnace body 3. The stirring mechanism 2 and the airflow assembly 1 are both installed inside the furnace body 3, and the stirring mechanism 2 is located above the airflow assembly 1.

[0029] The top surface of the furnace body 3 is provided with a feeding channel 31, and the bottom surface of the furnace body 3 is provided with a discharging channel 32. The feeding channel 31 is connected to the furnace body 3, and the furnace body 3 is connected to the discharging channel 32. An air pump 33 is installed on the lower part of the side wall of the furnace body 3, and the air pump 33 is connected to the furnace body 3.

[0030] In a specific implementation, a burner for igniting fuel is installed inside the furnace body, and a heat insulation cavity 34 is provided between the inner and outer walls of the furnace body;

[0031] like Figure 3 He Ru Figure 4 As shown, the airflow assembly 1 includes several swing rods 11, a moving plate 12, and a cover 13. The swing rods 11 are arranged in a ring around the circumference of the cover 13. The swing rods 11 are rotatably connected to a fixed shaft 14. The fixed shaft 14 is fixed to the cover 13. The cover 13 is fixed to the bottom of the furnace body 3. Fan blades 15 are fixed at both ends of the swing rods 11. The swing rods 11 are fixed to a connecting rod 16. The connecting rod 16 is fixed to a straight groove rod 17. The straight groove rod 17 is connected to a U-shaped rod 18. The U-shaped rod 18 is fixed to the moving plate 12. The moving plate 12 is located at the center of the cover 13. The moving plate 12 is connected to a lifting drive mechanism. The lifting drive mechanism is fixed to the furnace body 3.

[0032] In practice, the U-shaped rod is tilted and the angle between it and the central axis of the moving plate is 30 degrees.

[0033] like Figure 2 As shown, the stirring mechanism 2 includes several sets of stirring blades 21 and stirring shaft 22. The stirring blades 21 are fixed to the stirring shaft 22. The stirring shaft 22 is connected to the output shaft of the stirring drive motor 23. The stirring drive motor 23 is fixed to the furnace body 3.

[0034] In practice, each set of stirring blades includes two stirring blades.

[0035] Each set of stirring blades 21 is provided with an annular partition plate 24 below it. The annular partition plate 24 is fixed to the inner wall of the furnace body 3, and the annular partition plate 24 is provided with a through hole 25 through which the stirring shaft 22 passes.

[0036] In practice, the lower side of the fan blade is close to the annular partition plate but does not contact it.

[0037] The annular partition plate 24 gradually slopes downward from the side towards the center at an angle of 7-15°.

[0038] A grille 4 is provided between the airflow component 1 and the stirring mechanism 2, and the grille 4 is fixed to the inner wall of the furnace body 3.

[0039] In this embodiment, a bearing is installed at the center of the grid, and the stirring shaft is connected to the bearing. The grid arrangement facilitates the uniform distribution of air and materials.

[0040] The swing rod 11 is provided with a shaft hole 111, and the fixed shaft 14 passes through the shaft hole 111.

[0041] In this embodiment, the cover has a groove 131, and the fixing shaft is fixed to the groove.

[0042] like Figure 5 As shown, the U-shaped rod 18 has a crossbar 181, which passes through the guide groove 171 of the straight groove rod 17, and the crossbar 181 can slide along the direction of the guide groove 171.

[0043] The lifting drive mechanism includes an electric push rod 19, the output shaft of which is fixed to the moving plate 12.

[0044] In this embodiment, the air pump, electric push rod, and stirring drive motor are all electrically connected to the controller.

[0045] The fan blade 15 is a spherical fan blade 15.

[0046] The cover 13 is fixed to several fixing rods 132, and the fixing rods 132 are fixed to the bottom of the furnace body 3.

[0047] The working principle of this utility model is as follows: The air pump at the bottom of the furnace body is started to introduce oxygen-enriched air, providing sufficient oxygen for the combustion process. Materials (fuel and products to be burned) are added into the furnace body through the feeding channel. The materials are distributed on the uppermost annular partition plate of the furnace body. An electric push rod is activated, driving the moving plate up and down, causing the crossbar of the U-shaped rod to slide along the straight groove, thereby causing the fan blades to swing up and down to promote airflow inside the furnace. A stirring drive motor fixed on the stirring shaft is started, causing the stirring shaft to drive the stirring blades to rotate, achieving uniform stirring of the materials inside the furnace body and ensuring thorough mixing of the materials with the oxygen-enriched air. During the rotation of the stirring blades, the materials are driven to fall through the through-holes of the upper annular partition plate into the lower annular partition plate, where they are stirred before falling again. This process repeats until the materials are finally discharged from the discharge channel. The airflow component enables oxygen flow for oxygen-enriched combustion, improving combustion efficiency.

[0048] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A multi-stage oxygen-enriched combustion device, characterized in that: It includes an airflow assembly (1), a stirring mechanism (2), and a furnace body (3). The stirring mechanism and the airflow assembly are both installed inside the furnace body, and the stirring mechanism is located above the airflow assembly. The top surface of the furnace body is provided with a feeding channel (31), the bottom surface of the furnace body is provided with a discharge channel (32), the feeding channel is connected to the furnace body, the furnace body is connected to the discharge channel, and an air pump (33) is installed on the lower part of the side wall of the furnace body, which is connected to the furnace body. The airflow assembly includes several swing rods (11), a moving plate (12), and a cover (13). The swing rods are arranged in a ring around the circumference of the cover. The swing rods are rotatably connected to a fixed shaft (14). The fixed shaft is fixed to the cover. The cover is fixed to the bottom of the furnace body. Fan blades (15) are fixed at both ends of the swing rods. The swing rods are fixed to a connecting rod (16). The connecting rod is fixed to a straight groove rod (17). The straight groove rod is connected to a U-shaped rod (18). The U-shaped rod is fixed to the moving plate. The moving plate is located at the center of the cover. The moving plate is connected to a lifting drive mechanism. The lifting drive mechanism is fixed to the furnace body.

2. The multi-stage oxygen-enriched combustion device according to claim 1, characterized in that: The stirring mechanism includes several sets of stirring blades (21) and stirring shaft (22). The stirring blades are fixed to the stirring shaft, and the stirring shaft is connected to the output shaft of the stirring drive motor (23). The stirring drive motor is fixed to the furnace body.

3. The multi-stage oxygen-enriched combustion device according to claim 2, characterized in that: Each set of stirring blades is provided with an annular partition plate (24) below it. The annular partition plate is fixed to the inner wall of the furnace body and has a through hole (25) through which the stirring shaft passes.

4. The multi-stage oxygen-enriched combustion device according to claim 3, characterized in that: The annular partition plate gradually slopes downwards from the side towards the center at an angle of 7-15°.

5. The multi-stage oxygen-enriched combustion device according to claim 1, characterized in that: A grille (4) is provided between the airflow component and the stirring mechanism, and the grille is fixed to the inner wall of the furnace body.

6. The multi-stage oxygen-enriched combustion device according to claim 1, characterized in that: The swing rod is provided with a shaft hole (111), and the fixed shaft passes through the shaft hole.

7. The multi-stage oxygen-enriched combustion device according to claim 1, characterized in that: The U-shaped rod has a crossbar (181) that passes through the guide groove (171) of the straight groove rod and is capable of sliding along the direction of the guide groove.

8. The multi-stage oxygen-enriched combustion device according to claim 1, characterized in that: The lifting drive mechanism includes an electric push rod (19), the output shaft of which is fixed to the moving plate.

9. The multi-stage oxygen-enriched combustion device according to claim 1, characterized in that: The fan blades are spherical.

10. The multi-stage oxygen-enriched combustion device according to claim 1, characterized in that: The cover is fixed to several fixing rods (132), and the fixing rods are fixed to the bottom of the furnace body.