Ash removal device for gas pipe of biomass gasification furnace

By using a motor-driven gear system and sliding connection structure to automatically adjust the height of the rollers, the problem of loose connections in the ash removal device of the biomass gasifier gas pipe is solved, achieving a stable and efficient cleaning effect.

CN224444010UActive Publication Date: 2026-07-03ANHUI MINT BIOTECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI MINT BIOTECH
Filing Date
2025-07-21
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

In existing biomass gasifier gas pipe ash removal devices, the connection between the second fixed plate and the electric rotating shaft is prone to loosening, wear, or breakage, causing some electronic rollers to fail to rub against the inner wall of the pipe, thus affecting the cleaning effect.

Method used

The system employs a motor-driven gear system within the mounting cylinder, which connects the rollers via a gear rod and worm gear transmission. Combined with a slidingly connected linkage plate and spring, this ensures automatic height adjustment of the rollers, maintaining good friction with the inner wall of the pipe at all times.

Benefits of technology

The problem of loosening and wear at the connection points has been solved, enabling automatic fitting to the inner wall of the pipe, improving the cleaning effect and the stability and adaptability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of ash removal devices, and discloses an ash removal device for a biomass gasification furnace gas pipe. It includes an installation cylinder, inside which is a motor bracket. A motor is mounted on one side of the motor bracket, and the motor is fixedly connected to an output gear. The output gear drives one end of multiple gear rods, and the other end of the gear rods drives an input gear. The input gear is fixedly connected to one end of a ball sleeve, which is rotatably connected to an outer bracket. A ball cage is located inside the ball sleeve, and the ball cage is fixedly connected to a universal joint. The universal joint is slidably connected to a worm gear, which is rotatably connected to a fixed frame. The worm gear drives a roller, and the fixed frame is slidably connected to a sliding sleeve. The sliding sleeve is slidably connected to a linkage plate, and a spring is located on one side of the linkage plate. The linkage plate is slidably connected to a base. This device effectively solves the problem of loosening, wear, or breakage at the connection point, and simultaneously automatically conforms to the inner wall of the pipe before and after cleaning, maintaining good friction with the inner wall of the pipe, thus achieving a more effective cleaning effect.
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Description

Technical Field

[0001] This utility model relates to the technical field of ash removal devices, specifically a gas pipe ash removal device for a biomass gasification furnace. Background Technology

[0002] During the operation of a biomass gasifier, dust and ash inevitably accumulate inside the gas pipe. CN115382864B discloses a gas pipe ash removal device for a biomass gasifier, including a gas delivery pipe and an inlet pipe. The gas delivery pipe is connected to the inlet pipe on its left side. This invention cleans the dust from the inner wall of the gas delivery pipe by moving a cleaning component, an interception component, a moving component, and a dust scraper component. Throughout the cleaning process, the gas delivery does not need to be stopped, and the gas delivery speed is not affected, ensuring stable and continuous gas delivery. The beneficial effects are obvious. However, during use, the second fixed plate is rotated by an electric shaft to control the height of the electronic rollers. To ensure the electronic rollers can continuously rub against the inner wall of the pipe, the weight of the second fixed plate and the electronic rollers is always at the connection point between the second fixed plate and the electric shaft. This can easily lead to loosening, wear, or breakage at the connection point, causing some electronic rollers to fail to rub against the inner wall of the pipe, resulting in some scrapers not reaching a sufficient height to achieve cleaning.

[0003] Therefore, we propose a gas pipe ash removal device for biomass gasification furnaces. Utility Model Content

[0004] The purpose of this utility model is to provide a gas pipe ash removal device for a biomass gasification furnace, in order to solve the problem mentioned in the background art that, because the weight of the second fixed plate and the electronic roller is always at the connection between the second fixed plate and the electric rotating shaft, the connection between the second fixed plate and the electric rotating shaft is prone to loosening, wear or breakage, resulting in some electronic rollers not being able to rub against the inner wall of the pipe, and some of the scrapers not being high enough to form a cleaning effect.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a gas pipe ash removal device for a biomass gasification furnace, comprising an installation cylinder, a motor bracket inside the installation cylinder, a motor on one side of the motor bracket, an output gear fixedly connected to the motor, a plurality of gear rods drivingly connected to one end of the output gear, an input gear drivingly connected to the other end of each gear rod, an input gear fixedly connected to one end of a ball sleeve, a ball sleeve rotatably connected to an outer bracket, a ball cage inside the ball sleeve, a universal joint fixedly connected to the ball cage, a worm gear slidably connected to the universal joint, a fixed frame rotatably connected to the worm gear, a roller driven by the worm gear, a sliding sleeve slidably connected to the fixed frame, a linkage plate slidably connected to the sliding sleeve, a spring on one side of the linkage plate, and a base slidably connected to the linkage plate.

[0006] Preferably, a fixed bracket is provided on the outer side of the mounting cylinder, the fixed bracket is rotatably connected to a fixed frame, and an outer bracket is provided on the inner side of the fixed bracket.

[0007] Preferably, the outer support has a limiting block inside, which engages with the ball sleeve.

[0008] Preferably, the ball sleeve is provided with a limiting piece inside, the limiting piece is rotatably connected to the ball cage, and the limiting piece engages with the inner wall of the ball sleeve.

[0009] Preferably, the base has two guide rods on its inner side, the guide rods are slidably connected to the linkage plate, and the guide rods are sleeved with springs on their outer sides.

[0010] Preferably, the spring tightly presses against the inner wall of the base and the spring tightly presses against the surface of the linkage plate.

[0011] Preferably, the roller has a worm groove in the middle, and the roller is rotatably connected to the inner side of the fixing frame.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This utility model uses an installation cylinder to fix a fixed bracket, which is rotatably connected to a fixed frame. A sliding connection is provided between the fixed frame and the sliding sleeve, and the sliding sleeve is slidably connected to a linkage plate. A spring is provided on one side of the linkage plate, which tightly presses against the inner side of the base. The spring is sleeved on the outer side of the guide rod, which effectively solves the problem of loosening, wear or breakage at the connection. At the same time, it can automatically conform to the inner wall of the pipe before and after cleaning, and always maintain good friction with the inner wall of the pipe, thus forming a more effective cleaning effect. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the overall cross-sectional structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the ball sleeve of this utility model;

[0017] In the diagram: 1. Mounting cylinder; 2. Motor bracket; 3. Motor; 4. Output gear; 5. Gear rod; 6. Input gear; 7. Ball sleeve; 8. Outer bracket; 9. Ball cage; 10. Universal joint; 11. Worm gear; 12. Fixing bracket; 13. Roller; 14. Sliding sleeve; 15. Linkage plate; 16. Spring; 17. Base; 18. Guide rod; 101. Fixing bracket; 701. Limiting plate; 801. Limiting block. Detailed Implementation

[0018] 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.

[0019] Example

[0020] Please see Figures 1-3 The diagram shows a gas pipe ash removal device for a biomass gasification furnace, comprising an installation cylinder 1, a motor bracket 2 inside the installation cylinder 1, a motor 3 on one side of the motor bracket 2, an output gear 4 fixedly connected to the motor 3, the output gear 4 drivingly connecting one end of multiple gear rods 5, the other end of each gear rod 5 drivingly connecting to an input gear 6, the input gear 6 fixedly connected to one end of a ball sleeve 7, the ball sleeve 7 rotatably connected to an outer bracket 8, a ball cage 9 inside the ball sleeve 7, the ball cage 9 fixedly connected to a universal joint 10, the universal joint 10 slidably connected to a worm gear 11, the worm gear 11 rotatably connected to a fixed frame 12, the worm gear 11 drivingly connecting to a roller 13, and the fixed frame 12 slidably connected to... The sliding sleeve 14 is slidably connected to the linkage plate 15. A spring 16 is provided on one side of the linkage plate 15. The linkage plate 15 is slidably connected to the base 17. This utility model uses an installation cylinder to fix the fixed bracket, and the fixed bracket is rotatably connected to the fixed frame. A sliding connection is set between the fixed frame and the sliding sleeve. The sliding sleeve is slidably connected to the linkage plate. A spring is provided on one side of the linkage plate. The spring tightly presses against the inner side of the base. The spring is sleeved on the outer side of the guide rod. This effectively solves the problem of loosening, wear or breakage at the connection. At the same time, it can automatically conform to the inner wall of the pipe before and after cleaning, and always maintain good friction with the inner wall of the pipe, thus forming a more effective cleaning effect.

[0021] Furthermore, a fixed bracket 101 is provided on the outer side of the mounting cylinder 1. The fixed bracket 101 is rotatably connected to the fixed frame 12. An outer bracket 8 is provided on the inner side of the fixed bracket 101. Through the fixed bracket on the outer side of the mounting cylinder, the fixed bracket is rotatably connected to one end of the fixed frame, so that the fixed frame can rotate relative to the fixed bracket within a certain range, thereby enhancing the flexibility and adaptability of the entire device.

[0022] Furthermore, the outer support 8 is provided with a limiting block 801 inside, which engages with the ball sleeve 7. Through the engagement of the limiting block inside the outer support, the ball sleeve is stably fixed inside the outer support, ensuring the accuracy and reliability of the device operation. At the same time, it is easy to install and simplifies the assembly process of the device.

[0023] Furthermore, the ball sleeve 7 is provided with a limiting piece 701 inside. The limiting piece 701 is rotatably connected to the ball cage 9. The limiting piece 701 engages with the inner wall of the ball sleeve 7. The limiting piece restricts the movement range of the ball cage to a certain extent. At the same time, the limiting piece also engages with the inner wall of the ball sleeve, effectively preventing the limiting piece from falling off or shaking during operation, and ensuring the connection stability between the ball sleeve and the ball cage.

[0024] Furthermore, the inner side of the base 17 is provided with two guide rods 18, which are slidably connected to the linkage plate 15. The outer side of the guide rods 18 is fitted with springs 16. By carefully designing two guide rods on the inner side of the base and achieving a slidable connection with the linkage plate, the smooth movement of the linkage plate on the base and the stability during the movement are ensured.

[0025] Furthermore, the spring 16 tightly presses against the inner wall of the base 17 and the surface of the linkage plate 15. Through the spring between the base and the linkage plate, a tight press is achieved between the spring and the inner wall of the base and the surface of the linkage plate, ensuring that the spring can always maintain good contact with the base and the linkage plate during the operation of the device. This allows the device to respond more flexibly to various working conditions during operation, improving the adaptability and flexibility of the device.

[0026] Furthermore, a worm groove is provided in the middle of the roller 13. The roller 13 is rotatably connected to the inner side of the fixed frame 12. The worm groove in the middle of the roller is rotatably connected to the inner side of the fixed frame. The design of the worm groove takes into account the connection between the roller and the worm, ensuring that it can maintain stable transmission performance under various working conditions. Secondly, the roller is rotatably connected to the inner side of the fixed frame, ensuring that the roller can always maintain the correct position and direction during rotation.

[0027] In this scheme, the working process is as follows: the output gear 4 is driven by the motor 3 to rotate, which in turn drives the gear rod 5 and the input gear 6 to rotate the ball sleeve 7 and the ball cage 9. The ball cage 9 is connected to the worm gear 11 through the universal joint 10. The rotation of the worm gear 11 drives the roller 13 to rotate. At the same time, the sliding connection of the fixed frame 12, the sliding sleeve 14 and the linkage plate 15, as well as the spring 16, adjust the height of the roller 13, which together ensures the stable operation of the device and the ash removal efficiency.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] 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 gas pipe ash discharging device for a biomass gasification furnace, characterized by: The device includes an installation cylinder (1), inside which is a motor bracket (2), and on one side of the motor bracket (2) is a motor (3). The motor (3) is fixedly connected to an output gear (4). The output gear (4) is driven to one end of multiple gear rods (5). The other end of each gear rod (5) is driven to an input gear (6). The input gear (6) is fixedly connected to one end of a ball sleeve (7). The ball sleeve (7) is rotatably connected to an outer bracket (8). Inside the ball sleeve (7) is a ball cage (9). The ball cage (9) is fixedly connected to a universal joint (10). The universal joint (10) is slidably connected to a worm gear (11). The worm gear (11) is rotatably connected to a fixed frame (12). The worm gear (11) is driven to a roller (13). The fixed frame (12) is slidably connected to a sliding sleeve (14). The sliding sleeve (14) is slidably connected to a linkage plate (15). On one side of the linkage plate (15) is a spring (16). The linkage plate (15) is slidably connected to a base (17).

2. The ash removal device for a biomass gasification furnace according to claim 1, characterized in that: The mounting cylinder (1) is provided with a fixed bracket (101) on the outside, the fixed bracket (101) is rotatably connected to the fixed frame (12), and the fixed bracket (101) is provided with an outer bracket (8) on the inside.

3. The ash discharging device for the gas pipe of the biomass gasifier according to claim 1, characterized in that: The outer support (8) is provided with a limiting block (801) inside, and the limiting block (801) is engaged with the ball sleeve (7).

4. The ash discharging device for the gas pipe of the biomass gasifier according to claim 1, characterized in that: The ball sleeve (7) is provided with a limiting piece (701) inside. The limiting piece (701) is rotatably connected to the ball cage (9). The limiting piece (701) is engaged with the inner wall of the ball sleeve (7).

5. The ash discharging device for the gas pipe of the biomass gasifier according to claim 1, characterized in that: The base (17) has two guide rods (18) on its inner side. The guide rods (18) are slidably connected to the linkage plate (15). The guide rods (18) are fitted with springs (16) on their outer sides.

6. The ash discharging device for the gas pipe of the biomass gasifier according to claim 1, characterized in that: The spring (16) presses tightly against the inner wall of the base (17) and the spring (16) presses tightly against the surface of the linkage plate (15).

7. The ash discharging device for the gas pipe of the biomass gasifier according to claim 1, characterized in that: The roller (13) has a worm groove in the middle and the roller (13) is rotatably connected to the inner side of the fixing frame (12).