Compression molding device of biomass granulator

By installing a drying component in the biomass pellet mill, hot air is used to uniformly dry the raw materials, solving the problem of uneven biomass pellet density and improving the quality and efficiency of pressing and molding.

CN223874985UActive Publication Date: 2026-02-06CANGZHOU WEILAN NEW ENERGY DEVELOPMENT CO LTD
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Patent Information

Application Number
CN202520377576.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-02-06
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing biomass pellet processing equipment produces biomass pellets with uneven density after compression molding, resulting in inconsistent briquette quality.

Method used

A biomass pellet raw material drying component is installed in the biomass pellet mill. The hollow rotating shaft driven by the motor drives the stirring plate to agitate the raw material, and the hot air blown out by the dryer dries the raw material to ensure uniform density.

Benefits of technology

This method achieves uniform density of biomass pellets during the compression molding process, thereby improving the quality and efficiency of compression molding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a biomass granulator compression molding device which comprises a molding box, a drying box fixedly connected to the top of the molding box, a stirring plate communicated to the surface of a hollow rotating shaft, air outlet holes evenly formed in the surface of the stirring plate, the hollow rotating shaft rotationally connected to the interior of the drying box, and a dryer fixedly installed on the surface of the drying box. The dryer air outlet fixedly communicates with an air outlet pipe, and one end of the air outlet pipe rotationally communicates with the hollow rotating shaft. A biomass particle raw material drying assembly is arranged, a hollow rotating shaft is driven by a first motor to rotate, a stirring plate is driven by the hollow rotating shaft to rotate in a guide plate, biomass particle raw materials are stirred, hot air is blown out from an air outlet pipe under the action of a drying machine, and the hot air enters the hollow rotating shaft and flows into the stirring plate; and finally, the biomass particles are blown out from the air outlet holes, the biomass particle raw materials are dried, and it is guaranteed that the density is uniform during compression molding.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of biomass pellet production, and in particular to a biomass pellet machine pressing and forming device. BACKGROUND

[0002] Biomass pellets are processed by using a compression roller and a ring mold to compress and form the raw materials such as pulverized biomass straw and forestry waste under normal temperature conditions, which facilitates storage and transportation and greatly improves the combustion performance of biomass. China is a large energy-consuming country, and adjusting the energy structure and utilizing biomass energy is an inevitable choice. After compression and forming, the volume of biomass is greatly reduced, which facilitates transportation, storage and use, and solves the key problem of large-scale utilization of biomass. Therefore, the technology and equipment are very suitable for biomass power generation, clean energy transformation of industrial boilers, and new cooking fuel in rural areas.

[0003] The Chinese patent with the publication (announcement) number CN202322125738.8 discloses a briquetting device for biomass pellet processing, which includes a pulverizing box, a pressing box, and an anti-blocking conveying assembly. The pulverizing box is fixedly arranged on the top outer wall of the pressing box. The anti-blocking conveying assembly includes a pulverizing knife, a pulverizing shaft, a driving motor, a conveying pipeline, a servo motor one, a servo motor two, a conveying shaft one, a conveying shaft two, an auger one, and an auger two. The bottom wall of the pulverizing box is arranged in a slope. The pulverizing shaft is vertically arranged at the top of the slope of the bottom wall of the pulverizing box. The pulverizing knife is fixedly arranged on the pulverizing shaft. The driving motor is fixedly arranged on the top outer wall of the pressing box and below the pulverizing box. The output end of the driving motor is fixedly connected with the lower end of the pulverizing shaft. The conveying pipeline is fixedly arranged on the outer walls of the pulverizing box and the pressing box. The above-mentioned device belongs to the technical field of biomass pellet processing and is a briquetting device for biomass pellet processing, which has uniform briquetting density, can avoid blocking, and has uniform feeding.

[0004] However, the following defects still exist:

[0005] The biomass pellet raw materials cannot be dried, and the internal density of the briquetting device after pressing and forming is not uniform. UTILITY MODEL CONTENTS

[0006] The utility model discloses a biomass pellet machine pressing and forming device to solve the problems in the background art.

[0007] The specific technical solutions are as follows:

[0008] The biomass pellet machine compression forming device, comprising a forming box, a drying box is fixedly connected to the top of the forming box, a screening box is fixedly connected to the top of the drying box, a crushing box is fixedly connected to the top of the screening box, a sealing cover is rotatably connected to one side of the forming box, hydraulic cylinders are symmetrically arranged on both sides of the forming box, a compression plate is fixedly connected to the telescopic shaft end of the hydraulic cylinder, the crushing box is communicated with the screening box, the screening box is communicated with the drying box, the drying box is communicated with the forming box, and a biomass pellet raw material drying assembly is arranged in the drying box.

[0009] The biomass pellet raw material drying assembly comprises a guide plate fixedly connected in the drying box, a first motor is fixedly installed on one side of the drying box, a hollow rotating shaft is fixedly connected to the output shaft end of the first motor, a stirring plate is communicated with the surface of the hollow rotating shaft, air outlet holes are uniformly formed in the surface of the stirring plate, the hollow rotating shaft is rotatably connected to the inside of the drying box, a drying machine is fixedly installed on the surface of the drying box, an air outlet pipe is fixedly communicated with the air outlet of the drying machine, and one end of the air outlet pipe is rotatably communicated with the hollow rotating shaft.

[0010] The biomass pellet machine compression forming device has the beneficial effects that:

[0011] The biomass pellet machine compression forming device has the beneficial effects that:

[0012] The biomass pellet machine compression forming device has the beneficial effects that:

[0013] The biomass pellet machine compression forming device has the beneficial effects that:

[0014] The biomass pellet machine compression forming device has the beneficial effects that:

[0015] The biomass pellet machine compression forming device has the beneficial effects that:

[0016] The biomass pellet machine compression forming device has the beneficial effects that:

[0017] The biomass particle raw material drying assembly is arranged, the hollow rotating shaft is rotated by the first motor, the stirring plate is rotated in the guide plate by the hollow rotating shaft, the biomass particle raw material is stirred, the hot air is blown out from the air outlet pipe under the action of the dryer, the hot air enters the hollow rotating shaft, flows into the stirring plate, and is finally blown out from the air outlet hole, so that the biomass particle raw material is dried, and the density during pressing and forming is ensured to be more uniform. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structure schematic view of the biomass pellet machine pressing and forming device is provided for the embodiment of the utility model.

[0019] Figure 2 A structure schematic view of the dryer and the air outlet pipe of the biomass pellet machine pressing and forming device is provided for the embodiment of the utility model.

[0020] Figure 3 A structure schematic view of the biomass particle raw material drying assembly in the biomass pellet machine pressing and forming device is provided for the embodiment of the utility model.

[0021] Figure 4 An enlarged structure schematic view of the screening assembly in the biomass pellet machine pressing and forming device is provided for the embodiment of the utility model.

[0022] IN THE DRAWINGS:

[0023] 1, forming box; 2, drying box; 3, screening box; 4, crushing box; 5, hydraulic cylinder; 6, pressing plate; 7, sealing cover; 9, biomass particle raw material drying assembly; 901, guide plate; 902, first motor; 903, hollow rotating shaft; 904, stirring plate; 905, air outlet hole; 906, dryer; 907, air outlet pipe; 10, screening assembly; 1001, rotating shaft; 1002, filter plate; 1003, discharge port; 11, crushing assembly; 1101, second motor; 1102, crushing shaft; 1103, crushing tooth; 1104, gear box. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model is further illustrated below by combining the drawings and specific embodiments.

[0025] Among them, the drawings are only used for example explanation, and the representation is only a schematic diagram, not a real object diagram, and cannot be understood as a limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some known structures and their descriptions in the drawings can be omitted.

[0026] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," "right," "inner," and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and 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. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0027] In the description of this utility model, unless otherwise explicitly specified and limited, the term "connection" or similar designation indicating the connection relationship between components should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Example

[0029] This embodiment provides a biomass pellet mill pressing and molding device, such as... Figures 1-4 As shown, it includes: a molding box 1, a drying box 2 fixedly connected to the top of the molding box 1, a screening box 3 fixedly connected to the top of the drying box 2, a crushing box 4 fixedly connected to the top of the screening box 3, a sealing cover 7 rotatably connected to one side of the molding box 1, hydraulic cylinders 5 symmetrically arranged on both sides of the molding box 1, a pressing plate 6 fixedly connected to the telescopic shaft end of the hydraulic cylinder 5, the crushing box 4 communicating with the screening box 3, the screening box 3 communicating with the drying box 2, the drying box 2 communicating with the molding box 1, and a biomass pellet raw material drying component 9 installed inside the drying box 2;

[0030] The biomass pellet raw material drying assembly 9 includes a guide plate 901 fixedly connected inside the drying chamber 2. A first motor 902 is fixedly installed on one side of the drying chamber 2. A hollow rotating shaft 903 is fixedly connected to the output shaft end of the first motor 902. A stirring plate 904 is connected to the surface of the hollow rotating shaft 903. Air outlet holes 905 are evenly opened on the surface of the stirring plate 904. The hollow rotating shaft 903 is rotatably connected to the inside of the drying chamber 2. A dryer 906 is fixedly installed on the surface of the drying chamber 2. An air outlet pipe 907 is fixedly connected to the air outlet of the dryer 906. One end of the air outlet pipe 907 is rotatably connected to the hollow rotating shaft 903.

[0031] The biomass pellet machine pressing forming device adopting the technical scheme comprises a biomass pellet raw material drying assembly 9, a first motor 902 drives a hollow rotating shaft 903 to rotate, a stirring plate 904 is driven by the hollow rotating shaft 903 to rotate in a guide plate 901, biomass pellet raw materials are stirred, hot air is blown out from an air outlet pipe 907 under the action of a drying machine 906, the hot air enters the hollow rotating shaft 903, flows into the stirring plate 904, and is finally blown out from an air outlet hole 905 to dry the biomass pellet raw materials, so that the density during pressing forming is more uniform.

[0032] In order to improve the drying effect, the bottom of the guide plate 901 is arc-shaped, and the stirring plate 904 is uniformly arranged on the surface of the hollow rotating shaft 903. The dried raw materials are discharged from the bottom of the guide plate 901 and fall into the forming box 1 for pressing forming.

[0033] In order to screen the raw materials and improve the pressing forming effect, a screening assembly 10 is arranged in the screening box 3, a rotating shaft 1001 is rotatably connected in the screening box 3, a filter plate 1002 is fixedly connected to the surface of the rotating shaft 1001, and a discharge port 1003 is formed in one side of the screening box 3. The crushed raw materials are filtered through the filter plate 1002, small particles fall into the drying box 2 for drying, and large particles are discharged from the discharge port 1003, so that the density of the particles after pressing forming is uniform.

[0034] In order to improve the filtering effect, a vibration motor is fixedly connected to the bottom of the discharge port 1003, and the filter plate 1002 is inclinedly arranged in the screening box 3. The discharge effect of large particles is accelerated, and the filter plate 1002 is prevented from being blocked by large particles.

[0035] In order to crush the raw materials and ensure the uniformity of pressing, a crushing assembly 11 is arranged in the crushing box 4, the crushing assembly 11 comprises a second motor 1101 fixedly installed on one side of the crushing box 4, a plurality of crushing shafts 1102 are symmetrically arranged in the crushing box 4, a plurality of crushing teeth 1103 are uniformly distributed on the surface of the crushing shaft 1102, and the output end of the second motor 1101 is fixedly connected with a group of crushing shafts 1102. The second motor 1101 drives the crushing shaft 1102 and the crushing tooth 1103 to rotate, so as to crush the biomass pellet raw materials.

[0036] In order to improve the crushing effect, a gear box 1104 is fixedly connected to the other side of the crushing box 4, two groups of gears are arranged in the gear box 1104, and the crushing shafts 1102 are fixedly connected with the gears. The two groups of crushing shafts 1102 rotate relative to each other, so as to improve the crushing effect.

[0037] In order to facilitate the discharge of the crushed raw materials, the bottom of the crushing box 4 is arc-shaped, and the top of the screening box 3 is provided with an arc-shaped edge matched with the crushing box 4.

[0038] In conclusion, the biomass pellet machine pressing forming device has the following advantages: the biomass pellet raw material drying assembly 9 is arranged, the hollow rotating shaft 903 is driven to rotate by the first motor 902, the stirring plate 904 is driven to rotate in the guide plate 901 by the hollow rotating shaft 903, the biomass pellet raw material is stirred, hot air is blown out from the air outlet pipe 907 under the action of the dryer 906, the hot air enters the hollow rotating shaft 903, flows into the stirring plate 904, and is finally blown out from the air outlet hole 905, so that the biomass pellet raw material is dried, and the density during pressing forming is ensured to be relatively uniform.

[0039] In use, the second motor 1101 drives the crushing shaft 1102 and the crushing teeth 1103 to rotate, the biomass pellet raw material is crushed, the crushed raw material falls into the screening box 3, is filtered through the filter plate 1002, small particles fall into the drying box 2 to be dried, large particles are discharged from the discharge port 1003, the discharge port 1003 is fixedly connected with a vibration motor at the bottom, the discharge effect of the large particles is accelerated, and the large particles are prevented from blocking the filter plate 1002. The hollow rotating shaft 903 is driven to rotate by the first motor 902, the stirring plate 904 is driven to rotate in the guide plate 901 by the hollow rotating shaft 903, the biomass pellet raw material is stirred, hot air is blown out from the air outlet pipe 907 under the action of the dryer 906, the hot air enters the hollow rotating shaft 903, flows into the stirring plate 904, and is finally blown out from the air outlet hole 905, so that the biomass pellet raw material is dried, the dried raw material falls into the forming box 1, the pressing plate 6 is driven to move by starting the hydraulic cylinder 5, and the biomass pellet raw material crushed, screened and dried is pressed and formed.

[0040] The above is only the preferred embodiment of the present application, and does not limit the implementation and protection scope of the present application. For those skilled in the art, it should be realized that any equivalent replacement and obvious change obtained by applying the content of the present application should be included in the protection scope of the present application.

Claims

1. A biomass pellet mill pressing and molding device, characterized in that, include: A molding box (1) is fixedly connected to a drying box (2) on the top of the molding box (1). A screening box (3) is fixedly connected to the top of the drying box (2). A crushing box (4) is fixedly connected to the top of the screening box (3). A sealing cover (7) is rotatably connected to one side of the molding box (1). Hydraulic cylinders (5) are symmetrically arranged on both sides of the molding box (1). A pressing plate (6) is fixedly connected to the telescopic shaft end of the hydraulic cylinder (5). The crushing box (4) is connected to the screening box (3). The screening box (3) is connected to the drying box (2). The drying box (2) is connected to the molding box (1). A biomass pellet raw material drying component (9) is provided inside the drying box (2). The biomass pellet raw material drying assembly (9) includes a guide plate (901) fixedly connected to the drying box (2). A first motor (902) is fixedly installed on one side of the drying box (2). A hollow rotating shaft (903) is fixedly connected to the output shaft end of the first motor (902). A stirring plate (904) is connected to the surface of the hollow rotating shaft (903). Air outlet holes (905) are evenly opened on the surface of the stirring plate (904). The hollow rotating shaft (903) is rotatably connected to the inside of the drying box (2). A dryer (906) is fixedly installed on the surface of the drying box (2). An air outlet pipe (907) is fixedly connected to the air outlet of the dryer (906). One end of the air outlet pipe (907) is rotatably connected to the hollow rotating shaft (903).

2. The biomass pellet mill pressing and molding device according to claim 1, characterized in that, The bottom of the guide plate (901) is arc-shaped, and the stirring plate (904) is evenly distributed on the surface of the hollow rotating shaft (903).

3. The biomass pellet mill pressing and molding device according to claim 1, characterized in that, The screening box (3) is equipped with a screening component (10), and a rotating shaft (1001) is rotatably connected inside the screening box (3). A filter plate (1002) is fixedly connected to the surface of the rotating shaft (1001), and a discharge port (1003) is opened on one side of the screening box (3).

4. The biomass pellet mill pressing and molding device according to claim 3, characterized in that, A vibration motor is fixedly connected to the bottom of the discharge port (1003), and the filter plate (1002) is inclinedly arranged inside the screening box (3).

5. The biomass pellet mill pressing and molding device according to claim 1, characterized in that, The crushing box (4) is provided with a crushing component (11). The crushing component (11) includes a second motor (1101) fixedly installed on one side of the crushing box (4). Crushing shafts (1102) are symmetrically arranged inside the crushing box (4). Crushing teeth (1103) are evenly distributed on the surface of the crushing shafts (1102). The output end of the second motor (1101) is fixedly connected to a set of crushing shafts (1102).

6. The biomass pellet mill pressing and molding device according to claim 5, characterized in that, A gearbox (1104) is fixedly connected to the other side of the crushing box (4). Two sets of meshing gears are provided in the gearbox (1104), and the crushing shaft (1102) is fixedly connected to the gears respectively.

7. The biomass pellet mill pressing and molding device according to claim 6, characterized in that, The bottom of the crushing box (4) is arc-shaped, and the top of the screening box (3) is provided with an arc-shaped edge that matches the crushing box (4).

Citation Information

Patent Citations

  • Briquetting device for biomass particle processing

    CN220535026U