Biomass gasification hot blast stove

By designing a biomass gasification hot blast stove with a linkage plate, sealing plate, and drive structure, the problem of difficult ash and slag cleaning in traditional biomass gasification hot blast stoves has been solved, and automated sealing and vibration collection have been achieved, improving gasification efficiency and safety.

CN224243005UActive Publication Date: 2026-05-15CCCC IND INVESTMENT HOLDINGS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CCCC IND INVESTMENT HOLDINGS CO LTD
Filing Date
2025-06-05
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Traditional biomass gasification hot air furnaces are difficult to clean, requiring shutdown for cooling and manual operation, which poses safety hazards and has insufficient sealing, affecting gasification efficiency.

Method used

A biomass gasification hot air furnace was designed, comprising a linkage plate, a sealing plate, a sealing plate, and a drive structure. It achieves automatic sealing and a vibration collection box, ensuring that ash and slag are cleaned without stopping the machine, and preventing gas leakage through the sealing plate.

Benefits of technology

It achieves automated cleaning of ash and slag, avoids downtime, improves gasification efficiency and safety, and reduces heat loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of heating equipment, in particular to a biomass gasification hot-blast stove which comprises a hot-blast stove body and a gasification chamber, the gasification chamber is arranged on the inner side of the hot-blast stove body, a fixing frame is installed on the outer side of the gasification chamber, and the gasification chamber is installed on the inner side of the hot-blast stove body through the fixing frame. A collecting box is mounted on the lower side of the vaporizing chamber; a handle is installed on one side of the collecting box, a linkage plate is attached to the other side of the collecting box, a sealing plate is installed on the other side of the linkage plate, the top end face of the sealing plate is attached to the bottom end of the vaporizing chamber, and a linkage control structure is installed on one side of the linkage plate. According to the dust collection device, the linkage plate, the sealing plate, the first sealing plate and the sealing plate are arranged, so that when the collection box is drawn out, the inner side of the collection box can be automatically sealed, and leakage of dust and high-temperature gas is effectively avoided.
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Description

Technical Field

[0001] This utility model relates to the field of heating equipment technology, specifically a biomass gasification hot air furnace. Background Technology

[0002] With the rapid development of renewable energy technologies, biomass energy, due to its cleanliness, environmental friendliness, and abundant resources, has gradually become an important means of replacing traditional fossil energy. A biomass gasification hot air furnace is a device that heats and gasifies biomass raw materials (such as wood chips and straw) in an oxygen-deficient or low-oxygen environment to produce combustible gas for heating. It is widely used in industrial or agricultural fields such as drying, baking, and heating. Traditional biomass gasification hot air furnaces often have their gasification chambers fixed integrally with the furnace body, leading to difficulties in ash removal: manual operation is required after shutdown and cooling, severely impacting continuous production. Simultaneously, high-temperature gas inside the furnace is prone to leakage during ash removal, posing safety hazards and resulting in significant heat loss. Although existing technologies include bottom-pull-out ash collection structures, their sealing is insufficient, and air leakage easily occurs at the interface between the gasification chamber and the ash collection box, reducing gasification efficiency. Furthermore, the lack of an automatic vibration structure hinders the uniform collection of waste materials within the collection box. Therefore, to address these issues, a biomass gasification hot air furnace is proposed. Utility Model Content

[0003] The purpose of this invention is to provide a biomass gasification hot air furnace to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A biomass gasification hot air furnace includes a hot air furnace body and a gasification chamber. The gasification chamber is provided on the inner side of the hot air furnace body, and a fixing frame is installed on the outer side of the gasification chamber. The gasification chamber is installed on the inner side of the hot air furnace body through the fixing frame, and a collection box is installed on the lower side of the gasification chamber.

[0006] A handle is installed on one side of the collection box, a linkage plate is attached to the other side of the collection box, a sealing plate is installed on the other side of the linkage plate, and the top surface of the sealing plate is attached to the bottom of the gasification chamber. A linkage control structure is installed on one side of the linkage plate.

[0007] Preferably, the linkage control structure includes a reset spring, a sleeve is installed on one side of the reset spring, and the other end of the sleeve is fixed to the hot air furnace body. A sleeve rod is sleeved on the inner side of the other end of the sleeve, the sleeve rod is fixed to the linkage plate, and the reset spring is sleeved on the outer side of the sleeve rod.

[0008] Preferably, a first sealing plate and a second sealing plate are installed on the bottom outer side of the gasification chamber in a symmetrical arrangement. The bottom end of the first sealing plate is attached to the sealing plate, and the bottom end of the second sealing plate is attached to the top of the collection box.

[0009] Preferably, the width of the collection box is equal to the width of the gasification chamber, and the widths of the sealing plate, the first sealing plate, and the second sealing plate are slightly larger than the width of the collection box.

[0010] Preferably, a control rod is installed on one side of the collection box, a control ring is installed on one side of the control rod, a connecting and fixing structure is installed on one side of the control ring, and a driving structure is installed on the other side of the control rod.

[0011] Preferably, the connecting and fixing structure includes a pull plate that is symmetrically slidably installed on the collection box. The pull plate has an L-shaped cross-section. A compression spring is installed on one side of the pull plate, and a vertical plate is installed on the other side of the compression spring. The vertical plate is installed on one side of the collection box, and one side of the pull plate is installed inside the control ring.

[0012] Preferably, the drive structure includes a drive motor, which is mounted on one side of the hot air furnace body via a mounting bracket. An eccentric wheel is mounted at the end of the main shaft of the drive motor, and a connecting ring is provided on the outer side of the eccentric wheel, and the connecting ring is fixed to the control rod.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. In this utility model, by setting a linkage plate, a sealing plate, a first sealing plate and a sealing plate, the inner side can be automatically sealed when the collection box is pulled out, effectively preventing the leakage of dust and high-temperature gas.

[0015] 2. In this utility model, the control rod, connecting and fixing structure and driving structure can automatically collect the box by vibration, thereby ensuring that the waste is evenly dispersed inside the collection box, thus enabling better waste collection. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This utility model Figure 1 A schematic diagram of the structure at point A;

[0018] Figure 3 This is a cross-sectional view of the present invention;

[0019] Figure 4 This utility model Figure 3 A schematic diagram of the structure at point B.

[0020] In the diagram: 1. Hot air furnace body; 2. Gasification chamber; 3. Fixing frame; 4. Collection box; 5. Handle; 6. Linkage plate; 7. Sealing plate; 8. Return spring; 9. Sleeve; 10. Sleeve rod; 11. First sealing plate; 12. Second sealing plate; 13. Control rod; 14. Control ring; 15. Pull plate; 16. Compression spring; 17. Vertical plate; 18. Drive motor; 19. Eccentric wheel; 20. Connecting ring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms 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 on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] A biomass gasification hot blast stove includes a stove body 1 and a gasification chamber 2. The gasification chamber 2 is located inside the stove body 1, and a fixing frame 3 is installed on the outside of the gasification chamber 2. The gasification chamber 2 is installed inside the stove body 1 via the fixing frame 3. A collection box 4 is installed on the lower side of the gasification chamber 2. A handle 5 is installed on one side of the collection box 4, and a linkage plate 6 is attached to the other side of the collection box 4. A sealing plate 7 is installed on the other side of the linkage plate 6, and the top surface of the sealing plate 7 is attached to the bottom end of the gasification chamber 2. A linkage control structure is installed on one side of the linkage plate 6. By setting the gasification chamber 2 inside the stove body 1 and installing it with the fixing frame 3, the gasification chamber structure is stable and reasonably arranged, and it is convenient for inspection and maintenance. The collection box 4 located below the gasification chamber can be pulled out for cleaning without affecting the operation of the stove, realizing ash removal without stopping the machine and improving the efficiency of use.

[0025] The linkage control structure includes a reset spring 8, a sleeve 9 installed on one side of the reset spring 8, and the other end of the sleeve 9 fixed to the hot air furnace body 1. A sleeve rod 10 is sleeved on the inner side of the other end of the sleeve 9, and the sleeve rod 10 is fixed to the linkage plate 6. The reset spring 8 is sleeved on the outer side of the sleeve rod 10. The linkage control structure realizes the self-reset control of the linkage plate 6 through the reset spring 8, sleeve 9 and sleeve rod 10, so that the sealing plate 7 can still keep in contact with the bottom of the gasification chamber when the collection box is pulled out, thereby ensuring the sealing during operation and effectively preventing the leakage of hot air or dust. The bottom of the outer side of the gasification chamber 2 is equipped with a first sealing plate 11 and a second sealing plate 12 arranged symmetrically on the left and right. The bottom of the first sealing plate 11 The first sealing plate 11 and the second sealing plate 12 are fitted together at the bottom of the vaporization chamber 2, and the bottom end of the second sealing plate 12 is fitted together with the top end of the collection box 4. By setting the first sealing plate 11 and the second sealing plate 12 at the bottom of the vaporization chamber 2, and fitting them together with the sealing plate 7 and the collection box 4, a sealed structure is formed, which further enhances the sealing performance. The width of the collection box 4 is equal to the width of the vaporization chamber 2, and the width of the sealing plate 7, the first sealing plate 11 and the second sealing plate 12 is slightly larger than the width of the collection box 4. The width of the collection box 4 is designed to be consistent with the vaporization chamber 2, and with the sealing plate 7, the first sealing plate 11 and the second sealing plate 12 which are slightly larger than the width of the collection box, hot air or impurities are effectively prevented from leaking through the gaps, improving the sealing tightness. One side of the collection box 4 is installed with A control lever 13 is provided, with a control ring 14 mounted on one side of the control lever 13. A connecting and fixing structure is mounted on one side of the control ring 14, and a drive structure is mounted on the other side of the control lever 13. The control lever 13, control ring 14, and their connecting and fixing and drive structures together constitute an adjustable control system. The connecting and fixing structure includes a pull plate 15 that is symmetrically slidably mounted on the collection box 4. The pull plate 15 has an L-shaped cross-section. A compression spring 16 is mounted on one side of the pull plate 15, and a vertical plate 17 is mounted on the other side of the compression spring 16. The vertical plate 17 is mounted on one side of the collection box 4, and one side of the pull plate 15 is mounted inside the control ring 14. The connecting and fixing structure uses an L-shaped pull plate 15. The clamping device consisting of compression spring 16 and vertical plate 17 can lock and release the collection box during operation and control, and facilitate subsequent vibration treatment. The drive structure includes a drive motor 18, which is mounted on one side of the hot blast furnace body 1 via a mounting bracket. An eccentric wheel 19 is mounted at the end of the main shaft of the drive motor 18. A connecting ring 20 is provided on the outer side of the eccentric wheel 19, and the connecting ring 20 is fixed to the control rod 13. The drive motor 18 drives the connecting ring 20 and the control rod 13 to move through the eccentric wheel 19, which can periodically drive the collection box 4 to shake during the operation of the hot blast furnace, so that the waste is automatically dispersed during the collection process, avoiding concentrated accumulation and improving the waste efficiency.

[0026] Workflow: First, the hot blast stove body 1 is installed in the predetermined position, and the gasification chamber 2 is firmly installed inside the hot blast stove body 1 using a fixing bracket 3, forming a closed gasification space with the stove body. During operation, the biomass raw material undergoes a high-temperature gasification reaction in the gasification chamber 2, and the resulting waste falls into the collection box 4 located at the bottom of the gasification chamber. For easy operation, the collection box 4 has a handle 5 on one side and a sealing plate 7 connected to the other side via a linkage plate 6. The sealing plate 7 fits snugly against the bottom of the gasification chamber 2 to achieve an airtight seal. The sealing plate 7, together with the first sealing plate 11 and the second sealing plate 12 on the left and right sides, forms a three-dimensional sealing structure to ensure that gas will not leak during operation. When the waste accumulates in the collection box 4 to a certain level... To a certain extent, by pressing the L-shaped pull plate 15, the pull plate 15 is pulled out from the control ring 14, and then the collection box 4 is directly pulled out for cleaning without stopping the machine. After being pulled out, the linkage plate 6 automatically resets under the action of the return spring 8, sleeve 9 and sleeve rod 10, maintaining the closed state of the bottom of the gasification chamber. During the operation of the equipment, the drive motor 18 drives the eccentric wheel 19 at the end of the main shaft to rotate. The eccentric wheel 19 drives the connecting ring 20 to reciprocate, thereby linking the control rod 13 to periodically shake the collection box 4. This shaking action enables the waste in the collection box to be dynamically dispersed, avoiding accumulation and concentration, improving the uniformity of waste distribution, facilitating subsequent cleaning, and maintaining the stability and continuity of the hot air furnace operation.

[0027] Contents not described in detail in this specification are existing technologies known to those skilled in the art. Standard parts used in this invention can all be purchased commercially, and irregularly shaped parts can be custom-made according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are already mature technologies. The machinery, parts, and equipment all use conventional models from the prior art, and the circuit connections also employ conventional connection methods from the prior art, which will not be detailed here.

[0028] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A biomass gasification hot air furnace, comprising a furnace body (1) and a gasification chamber (2), characterized in that: The hot air furnace body (1) has a gasification chamber (2) on its inner side, and a fixing frame (3) is installed on the outer side of the gasification chamber (2). The gasification chamber (2) is installed on the inner side of the hot air furnace body (1) through the fixing frame (3). A collection box (4) is installed on the lower side of the gasification chamber (2). A handle (5) is installed on one side of the collection box (4), and a linkage plate (6) is attached to the other side of the collection box (4). A sealing plate (7) is installed on the other side of the linkage plate (6), and the top surface of the sealing plate (7) is attached to the bottom end of the gasification chamber (2). A linkage control structure is installed on one side of the linkage plate (6).

2. The biomass gasification hot air furnace according to claim 1, characterized in that: The linkage control structure includes a reset spring (8), a sleeve (9) is installed on one side of the reset spring (8), and the other end of the sleeve (9) is fixed to the hot air furnace body (1). A sleeve rod (10) is sleeved on the inner side of the other end of the sleeve (9), the sleeve rod (10) is fixed to the linkage plate (6), and the reset spring (8) is sleeved on the outer side of the sleeve rod (10).

3. A biomass gasification hot air furnace according to claim 1, characterized in that: The outer bottom of the gasification chamber (2) is equipped with a first sealing plate (11) and a second sealing plate (12) arranged symmetrically on the left and right. The bottom end of the first sealing plate (11) is attached to the sealing plate (7), and the bottom end of the second sealing plate (12) is attached to the top of the collection box (4).

4. A biomass gasification hot air furnace according to claim 3, characterized in that: The width of the collection box (4) is equal to the width of the gasification chamber (2), and the widths of the sealing plate (7), the first sealing plate (11), and the second sealing plate (12) are slightly larger than the width of the collection box (4).

5. A biomass gasification hot air furnace according to claim 1, characterized in that: A control rod (13) is installed on one side of the collection box (4), a control ring (14) is installed on one side of the control rod (13), a connecting and fixing structure is installed on one side of the control ring (14), and a driving structure is installed on the other side of the control rod (13).

6. A biomass gasification hot air furnace according to claim 5, characterized in that: The connection and fixing structure includes a pull plate (15) that is symmetrically slidably installed on the collection box (4). The pull plate (15) has an L-shaped cross-section. A compression spring (16) is installed on one side of the pull plate (15), and a vertical plate (17) is installed on the other side of the compression spring (16). The vertical plate (17) is installed on one side of the collection box (4), and one side of the pull plate (15) is installed inside the control ring (14).

7. A biomass gasification hot air furnace according to claim 5, characterized in that: The drive structure includes a drive motor (18), which is mounted on one side of the hot air furnace body (1) via a mounting bracket. An eccentric wheel (19) is mounted at the end of the main shaft of the drive motor (18). A connecting ring (20) is provided on the outer side of the eccentric wheel (19), and the connecting ring (20) is fixed to the control rod (13).