Tar-free biomass gasification furnace

Through the cooperation of the transmission structure and the worm gear, the problems of cumbersome material loading and obstructed flame flow in the biomass gasifier are solved, the uniform distribution and automatic control of the fuel are achieved, the combustion efficiency is improved and tar accumulation is prevented.

CN223357601UActive Publication Date: 2025-09-19SHENGFENG HUACHUANG (JIANGSU) THERMAL ENERGY CO LTD
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Patent Information

Application Number
CN202422649119.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-09-19
Estimated Expiration
2034-10-31

AI Technical Summary

Technical Problem

The material feeding method of the existing biomass gasifier is complicated, and the conveying structure and stirring structure are set inside the furnace body, which affects the flame flow and heating effect.

Method used

A tar-free biomass gasifier is designed. A transmission structure is used to drive the rotation of the impeller. Through the cooperation of the impeller and the slide rod, the fuel is pushed and evenly distributed into the furnace body. Combined with the efficient transmission of the worm and worm gear, the transmission motor is automatically controlled, and baffles and rock wool boards are set to prevent flame damage.

Benefits of technology

It improves the combustion completeness of the fuel, avoids tar accumulation, realizes efficient fuel delivery and automatic control, and improves the flame stability and heating effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tar-free biomass gasifier which comprises a gasifier body and a feeding pipe communicated with the bottom of the gasifier body, a feeding structure is arranged in the gasifier body and comprises a swing rod at the bottom of the inner wall of the gasifier body, one side, close to the gasifier body, of the swing rod is fixedly connected with a sleeve plate, the right side of the inner wall of the gasifier body is fixedly connected with a vertical plate, and the right side of the vertical plate is fixedly connected with a feeding pipe. The side, away from the furnace body, of the vertical plate extends to the top of the sleeve plate, a transmission rod is movably connected to the interior of the vertical plate through a bearing, a rotating wheel is fixedly connected to the bottom end of the transmission rod, and a sliding rod is fixedly connected to the bottom of the rotating wheel. The rotating wheel is driven by the transmission structure to rotate, the rotating wheel drives the sliding rod to slide in the sleeve plate, the sleeve plate is extruded by the sliding rod and drives the swing rod to swing with the pin shaft on the surface of the furnace body as the axis, accumulated fuel can be pushed in the swing process of the swing rod, the fuel is evenly distributed into the furnace body, and the sufficient combustion effect of the fuel is improved; and tar accumulation is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of biomass gasifiers, in particular to a tar-free biomass gasifier. Background Art

[0002] A biomass gasifier is a device that uses organic biomass as fuel and rapidly converts it into high-energy fuel gas (mainly methane) through flameless gasification technology. The principle of this gasifier is based on the pyrolysis and gasification process of biomass. Its working process can be divided into preheating, drying and pyrolysis stages. The biomass gasifier has high thermal efficiency, is green and environmentally friendly, and has significant economic advantages. It can obtain higher fuel efficiency from low-cost biomass raw materials, and produces fewer pollutants during the combustion process.

[0003] Tar is a common by-product in the gasification process. For example, the patent number disclosed on the China Patent Network is: 202321024984.8, and the patent name is: Multifunctional biomass gasifier, including a biomass gasifier body, the interior of the biomass gasifier body is fixedly connected with an insulation ring, a first material stirring mechanism is installed between the interior of the biomass gasifier body and the exterior of the insulation ring, and a material conveying mechanism is fixedly connected to one side of the outer surface of the biomass gasifier body, and a plurality of support plates are fixedly connected to the inner wall of the insulation ring in sequence. In the present utility model, the material in the biomass gasifier body can be stirred by the first stirring mechanism, so that it can be heated evenly, thereby improving the drying effect, and the material on the support net can be stirred by the second material stirring mechanism, which can avoid its accumulation and improve the gasification effect.

[0004] However, the material feeding method of this utility model is relatively complicated. The conveying structure and the stirring structure are both arranged inside the furnace body. The large number of internal structures will affect the flow of the flame and interfere with the flame heating effect.

[0005] Therefore, it is necessary to design and transform the tar-free biomass gasifier. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the present invention is to provide a tar-free biomass gasification furnace, which has the advantage of improving the feeding effect, and solves the problem that the feeding method of the material in the present invention is relatively cumbersome, the conveying structure and the stirring structure are both arranged inside the furnace body, and the large number of internal structures will cause the flow of the flame to be affected, thereby interfering with the flame heating effect.

[0007] To achieve the above-mentioned purpose, the present utility model provides the following technical solutions: a tar-free biomass gasifier, comprising a furnace body;

[0008] A feed pipe connected to the bottom of the furnace;

[0009] A feeding structure is provided inside the furnace body;

[0010] The feeding structure includes a rocker arm at the bottom of the inner wall of the furnace body, the rocker arm is fixedly connected to a sleeve plate on the side close to the furnace body, the right side of the inner wall of the furnace body is fixedly connected to a vertical plate, the vertical plate extends to the top of the sleeve plate on the side away from the furnace body, the interior of the vertical plate is movably connected to a transmission rod through a bearing, the bottom end of the transmission rod is fixedly connected to a rotating wheel, the bottom of the rotating wheel is fixedly connected to a sliding rod, the sliding rod extends to the interior of the sleeve plate on the side away from the rotating wheel, and a transmission structure located at the top of the rocker arm is provided inside the furnace body, and the transmission structure can drive the rotating wheel to rotate.

[0011] As a preferred embodiment of the present invention, the transmission structure includes a worm movably connected to the inside of the furnace body through a bearing, and the top end of the transmission rod is fixedly connected to a worm wheel, and the worm wheel and the worm are meshed with each other.

[0012] As a preferred embodiment of the present invention, a bracket is fixedly connected to the top of the vertical plate, and the bracket extends from a side of the vertical plate to the top of the worm gear. The worm gear and the bracket are movably connected via a bearing.

[0013] As a preferred embodiment of the present invention, the front end of the worm passes through the furnace body and extends to the front side of the furnace body, the front side of the furnace body is fixedly connected to a transmission motor, and the output end of the transmission motor is fixedly connected to the front end of the worm.

[0014] As a preferred embodiment of the present invention, a baffle is fixedly connected to the interior of the furnace body, the baffle is located on the top of the rocker arm, and a rock wool board is fixedly connected to the left side of the baffle.

[0015] As a preferred embodiment of the present invention, an extension plate is provided on the outer side of the rocker arm, and the extension plate is slidably connected to the rocker arm.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. The utility model rotates the wheel through the transmission structure, and the wheel drives the slide bar to slide inside the sleeve plate. The sleeve plate is squeezed by the slide bar and drives the swing bar to swing with the pin shaft on the surface of the furnace body as the axis. During the swinging process of the swing bar, the accumulated fuel can be pushed and evenly distributed to the inside of the furnace body, thereby improving the full combustion effect of the fuel and avoiding the accumulation of tar.

[0018] 2. The utility model can facilitate users to drive the rotating wheel by providing a worm and a worm wheel, and the transmission efficiency of the worm and the worm wheel is high, which can achieve the effect of saving time and labor.

[0019] 3. The utility model can support the worm gear by providing a bracket, thereby improving the connection stability between the worm gear and the vertical plate.

[0020] 4. The utility model is provided with a transmission motor, which can automatically drive the worm to rotate, thereby improving the automation effect of the furnace body.

[0021] 5. The utility model can block the flame by setting the baffle and the rock wool board, thereby preventing the burning flame from damaging the transmission structure.

[0022] 6. The utility model provides an extension plate, which makes it easy for users to adjust the pushing height of the swing rod to meet the pushing requirements of different materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0025] Figure 3 This is a bottom view schematic diagram of the local structure of the utility model;

[0026] Figure 4 It is a schematic diagram of the local structure of the utility model.

[0027] In the figure: 1. furnace body; 2. feed pipe; 3. feeding structure; 4. rocker arm; 5. sleeve plate; 6. vertical plate; 7. transmission rod; 8. rotating wheel; 9. slide bar; 10. transmission structure; 11. worm; 12. worm gear; 13. bracket; 14. transmission motor; 15. baffle; 16. rock wool board; 17. extension plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] like Figures 1 to 4 As shown, the utility model provides a tar-free biomass gasification furnace, comprising a furnace body 1;

[0030] A feed pipe 2 connected to the bottom of the furnace body 1;

[0031] A feeding structure 3 is provided inside the furnace body 1;

[0032] The feeding structure 3 includes a rocker arm 4 at the bottom of the inner wall of the furnace body 1, and the rocker arm 4 is fixedly connected to a sleeve plate 5 on the side close to the furnace body 1. The right side of the inner wall of the furnace body 1 is fixedly connected to a vertical plate 6, and the vertical plate 6 extends to the top of the sleeve plate 5 away from the side of the furnace body 1. The interior of the vertical plate 6 is movably connected to a transmission rod 7 through a bearing, and the bottom end of the transmission rod 7 is fixedly connected to a rotating wheel 8. The bottom of the rotating wheel 8 is fixedly connected to a slide rod 9, and the slide rod 9 extends to the inside of the sleeve plate 5 away from the side of the rotating wheel 8. A transmission structure 10 located at the top of the rocker arm 4 is provided inside the furnace body 1, and the transmission structure 10 can drive the rotating wheel 8 to rotate.

[0033] refer to Figure 4 The transmission structure 10 includes a worm 11 movably connected to the inside of the furnace body 1 through a bearing, and a worm wheel 12 is fixedly connected to the top of the transmission rod 7. The worm wheel 12 and the worm 11 are meshed with each other.

[0034] As a technical optimization solution of the present invention, by providing the worm 11 and the worm wheel 12, it is convenient for the user to drive the rotating wheel 8, and the transmission efficiency of the worm 11 and the worm wheel 12 is high, which can achieve the effect of saving time and labor.

[0035] refer to Figure 4 The top of the vertical plate 6 is fixedly connected with a bracket 13, and the bracket 13 extends to the top of the worm gear 12 away from the side of the vertical plate 6. The worm gear 12 and the bracket 13 are movably connected through a bearing.

[0036] As a technical optimization solution of the present invention, by providing a bracket 13 , the worm gear 12 can be supported, thereby improving the connection stability between the worm gear 12 and the vertical plate 6 .

[0037] refer to Figure 1 The front end of the worm 11 passes through the furnace body 1 and extends to the front of the furnace body 1. The front of the furnace body 1 is fixedly connected to a transmission motor 14, and the output end of the transmission motor 14 is fixedly connected to the front end of the worm 11.

[0038] As a technical optimization solution of the present invention, by providing a transmission motor 14 , the worm 11 can be automatically driven to rotate, thereby improving the automation effect of the furnace body 1 .

[0039] refer to Figure 2 A baffle 15 is fixedly connected to the inside of the furnace body 1 , and the baffle 15 is located on the top of the rocker arm 4 . A rock wool board 16 is fixedly connected to the left side of the baffle 15 .

[0040] As a technical optimization solution of the present invention, by providing the baffle 15 and the rock wool board 16 , the flame can be blocked to prevent the burning flame from causing damage to the transmission structure 10 .

[0041] refer to Figure 4An extension plate 17 is provided on the outer side of the rocker arm 4 , and the extension plate 17 is slidably connected to the rocker arm 4 .

[0042] As a technical optimization solution of the present invention, by providing the extension plate 17, the user can adjust the pushing height of the rocker arm 4 to meet the pushing requirements of different materials.

[0043] The working principle and usage process of the present invention are as follows: when in use, fuel is added into the furnace body 1 through the feed pipe 2, and the falling fuel falls on the outside of the rocker arm 4. When the fuel is added, the user starts the transmission motor 14, and the transmission motor 14 drives the worm 11 to rotate. The worm 11 uses the worm gear 12 to carry the runner 8 to rotate, and the runner 8 drives the slide bar 9 to slide inside the sleeve plate 5. The sleeve plate 5 is squeezed by the slide bar 9 and drives the rocker arm 4 to swing with the pin shaft on the surface of the furnace body 1 as the axis. During the swinging process of the rocker arm 4, the accumulated fuel can be pushed to be evenly distributed to the inside of the furnace body 1, thereby improving the full combustion effect of the fuel and avoiding the accumulation of tar.

[0044] To sum up: the tar-free biomass gasification furnace carries the wheel 8 to rotate through the transmission structure 10, and the wheel 8 drives the slide rod 9 to slide inside the sleeve plate 5. The sleeve plate 5 is squeezed by the slide rod 9 and drives the rocker arm 4 to swing with the pin shaft on the surface of the furnace body 1 as the axis. During the swinging process of the rocker arm 4, the accumulated fuel can be pushed to be evenly distributed to the inside of the furnace body 1, thereby improving the full combustion effect of the fuel and avoiding the accumulation of tar.

[0045] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0046] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tar-free biomass gasifier, comprising a furnace body (1); A feed pipe (2) connected to the bottom of the furnace body (1); Its characteristics are: A feeding structure (3) is provided inside the furnace body (1); The feeding structure (3) comprises a rocker arm (4) at the bottom of the inner wall of the furnace body (1), the rocker arm (4) is fixedly connected to a sleeve plate (5) on the side close to the furnace body (1), a vertical plate (6) is fixedly connected to the right side of the inner wall of the furnace body (1), the vertical plate (6) extends to the top of the sleeve plate (5) away from the furnace body (1), the interior of the vertical plate (6) is movably connected to a transmission rod (7) through a bearing, the bottom end of the transmission rod (7) is fixedly connected to a rotating wheel (8), the bottom of the rotating wheel (8) is fixedly connected to a slide rod (9), the slide rod (9) extends to the inside of the sleeve plate (5) away from the rotating wheel (8), and a transmission structure (10) located at the top of the rocker arm (4) is provided inside the furnace body (1), and the transmission structure (10) can drive the rotating wheel (8) to rotate.

2. The tar-free biomass gasifier according to claim 1, characterized in that: The transmission structure (10) includes a worm (11) movably connected to the inside of the furnace body (1) through a bearing, and the top end of the transmission rod (7) is fixedly connected to a worm wheel (12), and the worm wheel (12) and the worm (11) are meshed with each other.

3. The tar-free biomass gasifier according to claim 1, characterized in that: The top of the vertical plate (6) is fixedly connected to a bracket (13), and the bracket (13) extends away from the side of the vertical plate (6) to the top of the worm gear (12). The worm gear (12) and the bracket (13) are movably connected via a bearing.

4. The tar-free biomass gasifier according to claim 2, characterized in that: The front end of the worm (11) passes through the furnace body (1) and extends to the front face of the furnace body (1); a transmission motor (14) is fixedly connected to the front face of the furnace body (1); and the output end of the transmission motor (14) is fixedly connected to the front end of the worm (11).

5. The tar-free biomass gasifier according to claim 1, characterized in that: A baffle (15) is fixedly connected to the interior of the furnace body (1), the baffle (15) is located on the top of the swing rod (4), and a rock wool board (16) is fixedly connected to the left side of the baffle (15).

6. The tar-free biomass gasifier according to claim 1, characterized in that: An extension plate (17) is provided on the outer side of the swing rod (4), and the extension plate (17) is slidably connected to the swing rod (4).

Citation Information

Patent Citations

  • Multifunctional biomass gasification furnace

    CN220485626U