Warm air furnace combustion chamber

By adopting support mesh and scraper structures in the combustion chamber of the air furnace, the problems of insufficient combustion and ash accumulation are solved, and the effective removal of ash and unburned substances and the circulation of air are achieved, and the combustion efficiency is improved.

CN223004988UActive Publication Date: 2025-06-20QINGDAO ZHONGLU KEHAO ENERGY SAVING & ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202420941545.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-06-20
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

The charcoal burning in the combustion chamber of the blast furnace is insufficient, resulting in ash accumulation, hindering the entry of air and affecting combustion efficiency.

Method used

A blast furnace combustion chamber is designed, adopting a support mesh and scraper structure. The scraper can be pushed back and forth through the push and pull plate, bumping the support mesh to fall into ashes, and unburned charcoal and ash are pushed out through the scraper, while the movement of the scraper is blown into air.

Benefits of technology

Effectively remove uncombustible substances in the combustion chamber, promote air circulation, improve combustion efficiency, and the device structure is simple and cost-effective.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a warm air furnace combustion chamber, which belongs to the field of combustion chambers, and comprises a combustion tube, a support net arranged on the inner wall of the combustion tube, symmetrically arranged discharge ports arranged at the lower end of the combustion tube, shielding blocks inserted into the discharge ports, an air inlet tube arranged at the lower end of the combustion tube, and a push-pull plate connected with the combustion tube in a sliding manner, the end, extending into the combustion pipe, of the push-pull plate is provided with a scraping plate, the inner wall of the combustion pipe is provided with an air collecting cover, the upper end of the air collecting cover is provided with a plurality of air guide pipes distributed in an array mode, the side wall of the combustion pipe is provided with a feeding pipe, and the upper end of the combustion pipe is provided with a top cover. The burning device is simple in structure and low in manufacturing cost, unburned charcoal and ash in the burning pipe are pushed out through the scraping plate, meanwhile, air is conveniently blown into the burning pipe in the back-and-forth pushing process of the scraping plate, and the burning device is simple in structure and low in manufacturing cost.
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Description

Technical Field

[0001] The utility model relates to the field of combustion chambers, and more specifically, to a combustion chamber of a warm air stove. Background Art

[0002] A warm air stove is a stove that can be used for indoor heating, heating a kang, and cooking. Generally, charcoal or wooden blocks are placed in the combustion chamber of the warm air stove for combustion. When the charcoal burns in the combustion chamber, since the charcoal may be piled up during the feeding process, the charcoal may not burn sufficiently. As a result, a large amount of unburned charcoal and ashes may accumulate in the combustion chamber, and a large amount of ashes may accumulate, resulting in ineffective entry of air into the combustion chamber. Content of the Utility Model

[0003] 1. Technical Problems to be Solved

[0004] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a combustion chamber of a warm air stove, which can conveniently knock the support net by a scraper, so that ashes and the like can fall into the combustion tube, and the unburned charcoal and ashes in the combustion tube can be pushed out by the scraper. At the same time, during the process of the scraper being pushed back and forth, air can be conveniently blown into the combustion tube, and the device has a simple structure and low cost.

[0005] 2. Technical Solutions

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A combustion chamber of a warm air stove includes a combustion tube, a support net is installed on the inner wall of the combustion tube, symmetrically arranged discharge ports are opened at the lower end of the combustion tube, a shielding block is inserted into the discharge port, an air inlet pipe is installed at the lower end of the combustion tube, a push-pull plate is slidably connected to the combustion tube, a scraper is installed at one end of the push-pull plate extending into the combustion tube, an air collecting hood is installed on the inner wall of the combustion tube, a plurality of air guide tubes are installed at the upper end of the air collecting hood and are distributed in an array, a feeding pipe is installed on the side wall of the combustion tube, a top cover is installed at the upper end of the combustion tube, and an exhaust pipe is opened on the side wall of the combustion tube.

[0008] Furthermore, the lower end of the support net abuts against the upper end of the scraper, and an arc-shaped protrusion is arranged at the upper end of the scraper, which is convenient for preventing the scraper from scratching the support net when the scraper slides.

[0009] Furthermore, a sliding hole is opened on the side wall of the combustion tube, the push-pull plate is slidably connected to the sliding hole, the diameter of the sliding hole is 1-2 cm larger than the diameter of the push-pull plate, and a handle is installed at one end of the push-pull plate extending out of the combustion tube, which is convenient for adjusting the height of the scraper by the push-pull plate, so as to conveniently knock the support net, and further facilitate the ashes on the side wall of the charcoal on the support net to fall off.

[0010] Further, the feed pipe is arranged between the horizontal plane where the center of the air collecting hood is located and the horizontal plane where the center of the push-pull plate is located, which is convenient for adding charcoal into the support net through the feed pipe.

[0011] Further, a plurality of sieve holes are arranged in the support net in an array distribution, which is convenient for screening the charcoal and ashes on the support net.

[0012] 3. Beneficial effects

[0013] Compared with the prior art, the advantages of the present utility model are as follows:

[0014] (1) The present utility model is convenient to knock the support net through the scraper, so that the ashes and the like can easily fall into the combustion pipe, and the unburned charcoal and ashes in the combustion pipe are pushed out by the scraper. At the same time, during the process of the scraper pushing back and forth, air is conveniently blown into the combustion pipe, and the device has a simple structure and low cost. Description of the drawings

[0015] Figure 1 is a structural sectional view of the present utility model;

[0016] Figure 2 is a structural top view of the present utility model;

[0017] Figure 3 is a structural side view of the present utility model.

[0018] Explanation of the reference numerals in the drawings:

[0019] 1. Combustion pipe; 2. Support net; 3. Blocking block; 4. Air inlet pipe; 5. Push-pull plate; 6. Scraper; 7. Air collecting hood; 8. Air guide pipe; 9. Top cover; 10. Feed pipe; 11. Exhaust pipe. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Embodiment 1:

[0024] Please refer to Figures 1 - 3 , a combustion chamber of a warm air furnace, including a combustion tube 1. A support net 2 is installed on the inner wall of the combustion tube 1. Symmetrically arranged discharge ports are opened at the lower end of the combustion tube 1. A shielding block 3 is inserted into the discharge ports. An air inlet pipe 4 is installed at the lower end of the combustion tube 1. A push-pull plate 5 is slidably connected to the combustion tube 1. A scraping plate 6 is installed at one end of the push-pull plate 5 extending into the combustion tube 1. An air collecting hood 7 is installed on the inner wall of the combustion tube 1. A plurality of air guiding pipes 8 distributed in an array are installed at the upper end of the air collecting hood 7. A feed pipe 10 is installed on the side wall of the combustion tube 1. A top cover 9 is installed at the upper end of the combustion tube 1. An exhaust pipe 11 is opened on the side wall of the combustion tube 1.

[0025] The lower end of the support net 2 abuts against the upper end of the scraping plate 6. An arc-shaped protrusion is provided at the upper end of the scraping plate 6, which is convenient for the scraping plate 6 to slide and prevents the scraping plate 6 from scratching the support net 2.

[0026] A sliding hole is opened on the side wall of the combustion tube 1. The push-pull plate 5 is slidably connected to the sliding hole. The diameter of the sliding hole is 1-2 cm larger than the diameter of the push-pull plate 5. And a handle is installed at one end of the push-pull plate 5 extending outside the combustion tube 1, which is convenient for adjusting the height of the scraping plate 6 by the push-pull plate 5, thus facilitating the scraping plate 6 to bump against the support net 2, and further facilitating the ash on the side wall of the charcoal on the support net 2 to fall off.

[0027] The feed pipe 10 is arranged between the horizontal plane where the center of the air collecting hood 7 is located and the horizontal plane where the center of the push-pull plate 5 is located, which is convenient for adding charcoal into the support net 2 through the feed pipe 10.

[0028] The support mesh 2 is provided with a plurality of sieve holes distributed in an array, facilitating the screening of charcoal ash on the support mesh 2.

[0029] During use, a technician in the art adds charcoal to the upper part of the support mesh 2 through the feed pipe 10, then ignites the charcoal. After that, the flame generated during the burning of the charcoal extends outside the top cover 9 through the air collecting hood 7. Then, the scraping plate 6 is pulled by the push-pull plate 5, and the push-pull plate 5 slides up and down in the sliding hole, so as to facilitate the scraping plate 6 to collide with the support mesh 2, and further facilitate the ash of the charcoal on the support mesh 2 to fall into the combustion tube 1. After that, the blocking block 3 is taken out, so as to facilitate the push-pull plate 5 to pull the scraping plate 6 to slide, and thus facilitate the removal of the ash in the combustion tube 1. The utility model facilitates the collision of the scraping plate 6 with the support mesh 2, so as to facilitate the ash and the like to fall into the combustion tube 1, and the unburned charcoal and ash in the combustion tube 1 are pushed out by the scraping plate 6. At the same time, during the process of the scraping plate 6 being pushed back and forth, air is conveniently blown into the combustion tube 1, and the device has a simple structure and low cost.

[0030] The above; only the preferred specific implementation mode of the utility model; but the protection scope of the utility model is not limited thereto; any technician familiar with the technical field within the technical scope disclosed by the utility model; according to the technical scheme and its improvement concept of the utility model, equivalent replacement or change; should be covered by the protection scope of the utility model.

Claims

1. A combustion chamber of a warm air stove, comprising a combustion tube (1), characterized in that: The inner wall of the combustion tube (1) is installed with a support net (2), the lower end of the combustion tube (1) is provided with a symmetrically arranged discharge port, the discharge port is plugged with a shielding block (3), the lower end of the combustion tube (1) is installed with an air inlet pipe (4), the combustion tube (1) is slidably connected with a push-pull plate (5), one end of the push-pull plate (5) extending into the combustion tube (1) is installed with a scraper (6), the inner wall of the combustion tube (1) is installed with an air collecting hood (7), the upper end of the air collecting hood (7) is installed with a plurality of air guide ducts (8) distributed in an array, the side wall of the combustion tube (1) is installed with a feed pipe (10), the upper end of the combustion tube (1) is installed with a top cover (9), and the side wall of the combustion tube (1) is provided with an exhaust pipe (11).

2. A warm air stove combustion chamber according to claim 1, characterized in that: The lower end of the support net (2) abuts against the upper end of the scraper (6), and the upper end of the scraper (6) is provided with an arc-shaped protrusion.

3. A warm air stove combustion chamber according to claim 1, characterized in that: A sliding hole is provided on the side wall of the combustion tube (1), and the push-pull plate (5) is slidably connected to the sliding hole. The diameter of the sliding hole is 1-2 cm larger than the diameter of the push-pull plate (5), and a handle is installed at one end of the push-pull plate (5) extending outside the combustion tube (1).

4. A warm air stove combustion chamber according to claim 1, characterized in that: The feed pipe (10) is arranged between the horizontal plane where the center of the air collecting cover (7) is located and the horizontal plane where the center of the push-pull plate (5) is located.

5. The combustion chamber of a warm air stove according to claim 1, characterized in that: The support net (2) is provided with a plurality of screening holes distributed in an array.