Granular fuel preparation device

By designing a pellet fuel preparation device with an upper mixing chamber, an adding chamber and a lower mixing chamber, and using a stirring motor and a vibration motor to achieve uniform spraying and secondary stirring of additives, the problem of low efficiency in traditional devices is solved, the molding effect of biomass pellet fuel is improved, and large-scale production is promoted.

CN223417150UActive Publication Date: 2025-10-10JIAOZUO HUIHONG BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422943844.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-10-10
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Traditional biomass pellet fuel preparation devices are inefficient when adding additives and suffer from insufficient stirring, which limits the large-scale production and application of biomass pellet fuel.

Method used

A pellet fuel preparation device consisting of an upper stirring chamber, an adding chamber and a lower stirring chamber was designed. By coordinating the use of a stirring motor, a vibration motor and a nozzle, uniform spraying and secondary stirring of the additive were achieved, ensuring sufficient mixing of the additive and the raw material.

Benefits of technology

The addition efficiency and stirring effect of additives are improved, the molding quality of pellet fuel is guaranteed, and the large-scale production of biomass pellet fuel is promoted.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a granular fuel preparation device in the technical field of granular fuel preparation. The granular fuel preparation device comprises a shell. An upper stirring bin, an adding bin and a lower stirring bin are sequentially arranged in the shell from top to bottom. A stirring motor is arranged in the middle of the top of the shell, a power output shaft of the stirring motor rotationally penetrates into the shell and is connected with a stirring shaft, and stirring blades are mounted at the upper and lower ends of the stirring shaft. A discharging hopper is installed in the shell, a discharging port of the discharging hopper deviates to one side, an inclined fixing plate is fixed to the left side of the discharging hopper, an inclined material guiding plate is fixed to the lower end of the discharging hopper, and an opening is formed between the lower end of the material guiding plate and the side wall of the shell. An inclined spray head is fixed below the fixing plate, and a liquid outlet of the spray head faces the material guide plate. According to the utility model, the additive adding efficiency can be improved, the stirring is more sufficient, and the subsequent forming effect of granular fuel is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of pellet fuel preparation, in particular to a pellet fuel preparation device. Background Art

[0002] As a clean and renewable energy source, the research and application of biomass energy conversion technology has become an important direction in the energy field. As a new form of biomass energy, biomass pellet fuel is widely used in industrial and civilian fields due to its advantages such as easy storage, transportation and high combustion efficiency.

[0003] Before pelletizing biomass pellet fuel, additives such as thickeners, lubricants, and dust suppressants need to be added to the raw materials and thoroughly stirred. These additives are intended to improve pellet formation. Traditional biomass pellet fuel preparation equipment suffers from low efficiency and insufficient stirring when adding these additives, which has limited the large-scale production and application of biomass pellet fuel. Utility Model Content

[0004] The main purpose of the present invention is to provide a particle fuel preparation device for solving the problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A pellet fuel preparation device includes a shell, a feeding port is provided at the top of the shell, a discharge pipe is connected to the bottom of the shell, a screw conveyor is installed in the discharge pipe, and support legs are provided at the bottom of the shell. The inside of the shell is arranged from top to bottom in order: an upper stirring bin, a adding bin, and a lower stirring bin. A stirring motor is provided in the center of the top of the shell, and the power output shaft of the stirring motor rotates and penetrates into the shell and is connected to the stirring shaft, and stirring blades are installed at the upper and lower ends of the stirring shaft. A lower hopper is installed in the shell, and the discharge port of the lower hopper is biased to one side. An inclined fixed plate is fixed to the left side of the lower hopper, and an inclined guide plate is fixed to the lower end of the lower hopper, and an opening is provided between the lower end of the guide plate and the side wall of the shell. An inclined nozzle is fixed below the fixed plate, and the liquid outlet of the nozzle faces the guide plate. A liquid supply pipe is connected to the nozzle, and the liquid supply pipe is connected to a biomass pellet fuel additive storage tank.

[0007] Furthermore, the upper mixing bin is located above the lower hopper, the adding bin is located between the fixed plate and the guide plate, the lower mixing bin is located below the guide plate, and the upper mixing bin, the adding bin and the lower mixing bin are connected up and down.

[0008] Furthermore, a valve is provided at the discharge port. A vibration motor is fixed at the lower end of the guide plate.

[0009] Furthermore, the fixed plate and the guide plate are parallel to each other, and a bearing is provided on the fixed plate, and the bearing cooperates with the stirring shaft.

[0010] Furthermore, the stirring shaft rotates through the side wall of the lower hopper and the guide plate.

[0011] This utility model also includes other components that enable the normal operation of the pellet fuel preparation device. These devices or components all utilize conventional technologies in the art. Furthermore, devices and components not otherwise specified in this utility model all utilize conventional technologies in the art, such as the stirring motor and screw conveyor described herein. During implementation, appropriate device or component models can be selected based on the specific work scenario.

[0012] The working principle of this utility model is as follows: First, ensure the valve is closed, add raw materials from the feed port, and start the stirring motor to initially stir the raw materials in the upper stirring chamber. After initial stirring, open the valve and nozzle, and the raw materials in the upper stirring chamber fall through the discharge port, sliding downward along the inclined guide plate. The additives sprayed from the nozzle are evenly sprayed onto the raw materials. As the vibration motor vibrates, the raw materials with additives fall into the lower stirring chamber for secondary stirring. Finally, the fully stirred raw materials are discharged from the discharge pipe.

[0013] Compared with the prior art, the present invention has the following beneficial effects: it can improve the efficiency of adding additives, stir more fully, and ensure the subsequent molding effect of the pellet fuel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a particle fuel preparation device of the present utility model.

[0015] In the figure: 1. Housing; 2. Stirring motor; 21. Stirring shaft; 22. Stirring blade; 3. Lower hopper; 31. Discharge port; 32. Valve; 4. Fixed plate; 5. Guide plate; 51. Vibration motor; 52. Opening; 6. Nozzle; 7. Liquid supply pipe; 8. Bearing; 9. Feeding port; 10. Discharge pipe; 11. Upper mixing chamber; 12. Adding chamber; 13. Lower mixing chamber; 14. Screw conveyor; 15. Support leg. DETAILED DESCRIPTION

[0016] The present invention will be described in further detail below with reference to the accompanying drawings and specific implementation methods.

[0017] Example:

[0018] like Figure 1As shown, a device for preparing particulate fuel includes a shell 1, a feeding port 9 is provided at the top of the shell 1, a discharge pipe 10 is connected to the bottom of the shell 1, a screw conveyor 14 is installed in the discharge pipe 10, and a support leg 15 is provided at the bottom of the shell 1. Inside the shell 1, from top to bottom, there are an upper stirring chamber 11, a feeding chamber 12, and a lower stirring chamber 13. A stirring motor 2 is provided in the center of the top of the shell 1, and the power output shaft of the stirring motor 2 rotates and penetrates into the shell 1 and is connected to a stirring shaft 21, and stirring blades 22 are installed at the upper and lower ends of the stirring shaft 21. A lower hopper 3 is installed in the shell 1, and the discharge port 31 of the lower hopper 3 is biased to one side. An inclined fixed plate 4 is fixed to the left side of the lower hopper 3, and an inclined guide plate 5 is fixed to the lower end of the lower hopper 3, and an opening 52 is provided between the lower end of the guide plate 5 and the side wall of the shell 1. An inclined nozzle 6 is fixed below the fixed plate 4 , with the liquid outlet of the nozzle 6 facing the guide plate 5 . The nozzle 6 is connected to a liquid supply pipe 7 , which is connected to a biomass pellet fuel additive storage tank.

[0019] Specifically, above the lower hopper 3 is the upper stirring bin 11, between the fixed plate 4 and the guide plate 5 is the adding bin 12, below the guide plate 5 is the lower stirring bin 13, and the upper stirring bin 11, the adding bin 12 and the lower stirring bin 13 are connected up and down.

[0020] In addition, a valve 32 is provided at the discharge port 31. A vibration motor 51 is fixed to the lower end of the guide plate 5. The stirring shaft 21 rotates through the side wall of the lower hopper 3 and the guide plate 5. The fixed plate 4 and the guide plate 5 are parallel to each other. The fixed plate 4 is provided with a bearing 8, which cooperates with the stirring shaft 21.

[0021] The operating principle of the pellet fuel preparation device of the present invention is as follows: First, ensure that valve 32 is closed, add raw materials through the feed port 9, start the stirring motor 2, and initially stir the raw materials in the upper stirring chamber 11. After initial stirring, valve 32 and nozzle 6 are opened, and the raw materials in the upper stirring chamber 11 fall through the discharge port 31 and slide downward along the inclined guide plate 5. The additive sprayed from the nozzle 6 is evenly sprayed onto the raw materials. As the vibration motor 51 vibrates, the raw materials with additives fall into the lower stirring chamber 13 for secondary stirring. Finally, the fully stirred raw materials are discharged from the discharge pipe 10.

[0022] The above embodiments are only descriptions of the preferred implementation methods of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection of the present invention.

Claims

1. A pellet fuel preparation device, comprising a housing (1), a feeding port (9) provided at the top of the housing (1), a discharge pipe (10) connected to the bottom of the housing (1), a screw conveyor (14) installed in the discharge pipe (10), and support legs (15) provided at the bottom of the housing (1), characterized in that: The interior of the housing (1) is provided with an upper stirring chamber (11), an addition chamber (12) and a lower stirring chamber (13) from top to bottom; a stirring motor (2) is provided in the center of the top of the housing (1); a power output shaft of the stirring motor (2) rotates and penetrates into the housing (1) and is connected to a stirring shaft (21); stirring blades (22) are installed at both the upper and lower ends of the stirring shaft (21); a lower hopper (3) is installed in the housing (1); a discharge port (31) of the lower hopper (3) is provided. ) is biased to one side, an inclined fixed plate (4) is fixed on the left side of the lower hopper (3), an inclined guide plate (5) is fixed at the lower end of the lower hopper (3), and an opening (52) is provided between the lower end of the guide plate (5) and the side wall of the shell (1); an inclined nozzle (6) is fixed below the fixed plate (4), the liquid outlet of the nozzle (6) faces the guide plate (5), a liquid supply pipe (7) is connected to the nozzle (6), and the liquid supply pipe (7) is connected to the biomass pellet fuel additive storage tank.

2. The particle fuel preparation device according to claim 1, characterized in that: An upper stirring chamber (11) is located above the lower hopper (3), an adding chamber (12) is located between the fixed plate (4) and the guide plate (5), and a lower stirring chamber (13) is located below the guide plate (5). The upper stirring chamber (11), the adding chamber (12) and the lower stirring chamber (13) are connected to each other from top to bottom.

3. The particle fuel preparation device according to claim 1, characterized in that: A valve (32) is provided at the discharge port (31); and a vibration motor (51) is fixed at the lower end of the guide plate (5).

4. The particle fuel preparation device according to claim 1, characterized in that: The fixed plate (4) and the guide plate (5) are parallel to each other. A bearing (8) is provided on the fixed plate (4), and the bearing (8) is matched with the stirring shaft (21).

5. The particle fuel preparation device according to claim 1, characterized in that: The stirring shaft (21) rotates through the side wall of the lower hopper (3) and the guide plate (5).