Hot press molding equipment for biomass pellet fuel production
By introducing efficient heating components and automatic conveying components in the hot press forming equipment, the problems of uneven heating and inaccurate pressure control in existing equipment are solved, more efficient heating and quantitative transportation are achieved, and the molding quality and processing efficiency of biomass pellet fuel are improved.
Patent Information
- Application Number
- CN202421562479.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-04
AI Technical Summary
The existing hot press forming equipment has problems such as uneven heating and inaccurate pressure control in the production of biomass pellet fuels, resulting in unstable quality of molded particles and high energy consumption.
A hot press forming device including an efficient heating assembly and an automatic conveying assembly is designed. The high-efficiency heating assembly realizes uniform heating of raw materials through the combination of a heater and a stirring blade; the automatic conveying assembly realizes quantitative conveying of raw materials and rapid injection into the molding cylinder through the second screw conveying roller and the PLC controller.
It improves heating efficiency, shortens the heating time of raw materials, and reduces energy consumption; realizes quantitative transportation of raw materials, and improves the processing efficiency and molding quality of biomass pellet fuel.
Smart Images

Figure CN222834266U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hot pressing forming equipment, in particular to hot pressing forming equipment for producing biomass pellet fuel. Background Art
[0002] With the growth of global energy demand and the improvement of environmental awareness, the market demand for biomass pellet fuel as a clean and renewable energy form is growing. The production of biomass pellet fuel involves multiple links such as raw material processing, pelletizing, storage, and transportation, among which hot pressing is a key step in the production process.
[0003] Existing hot pressing molding equipment usually uses simple heating and pressure systems, which often cannot heat the biomass material evenly, resulting in unstable quality of the molded particles and high energy consumption of the equipment. In addition, the pressure control system of existing equipment is not precise enough and is difficult to adapt to the specific needs of different biomass materials, affecting production efficiency and particle quality.
[0004] Therefore, a hot pressing molding equipment for producing biomass pellet fuel is proposed. Utility Model Content
[0005] The utility model aims to provide hot pressing molding equipment for producing biomass pellet fuel.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] Thermoforming equipment for producing biomass pellet fuel includes: a heating furnace, a PLC controller is fixedly installed on the side wall of the bottom end of the heating furnace, a high-efficiency heating component is arranged on the heating furnace, and the high-efficiency heating component includes a heater fixedly installed on the outside of the heating furnace, a first motor is fixedly installed on the top of the heating furnace, a first spiral conveying roller is fixedly connected to the output end of the first motor, a plurality of stirring blades are evenly fixedly installed on the side wall of the top end of the first spiral conveying roller, and a connecting plate is fixedly installed on the inner wall of the plurality of stirring blades.
[0008] Preferably, a discharge pipe is connected to the bottom end of the heating furnace, and a solenoid valve electrically connected to the PLC controller is fixedly installed on the discharge pipe.
[0009] Preferably, a forming cylinder is further provided on the bottom side of the heating furnace, a hydraulic telescopic rod is fixedly mounted on the top end of the forming cylinder, and a piston column is fixedly mounted on the extended end of the hydraulic telescopic rod.
[0010] Preferably, the outer wall of the piston column is tightly fitted with the inner wall of the forming cylinder, and the bottom end of the piston column is configured to be a truncated cone.
[0011] Preferably, a molding disk is fixedly mounted on the bottom end of the molding cylinder, and a plurality of molding holes are evenly penetrated through the molding disk.
[0012] Preferably, an automatic conveying assembly is provided at the bottom end of the heating furnace, and the automatic conveying assembly includes a conveying cylinder arranged at the bottom end of the heating furnace, the top end of the conveying cylinder is connected to the bottom wall of the discharge pipe, and the side wall of the conveying cylinder is connected to the side wall of the forming cylinder.
[0013] Preferably, a second spiral conveying roller is rotatably installed in the conveying cylinder, the outer wall of the second spiral conveying roller is tightly fitted with the inner wall of the conveying cylinder, a second motor is fixedly installed on the side wall of the forming cylinder, and the output end of the second motor is fixedly connected to the central axis of the second spiral conveying roller.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] 1. By setting up a high-efficiency heating component, when the heater is started, the heater can heat the raw materials in the heating furnace. At this time, the first motor is started, and the first motor can drive the first spiral conveying roller to rotate in the heating furnace. At this time, the first spiral conveying roller can convey the raw materials at the bottom of the heating furnace upward. During the rotation of the first spiral conveying roller, the stirring blades and the connecting plates can stir the raw materials in the heating furnace, which can improve the heating efficiency, shorten the time spent on heating the raw materials, and reduce energy consumption.
[0016] 2. By setting up an automatic conveying component, when the user starts the second motor, the second motor can drive the second spiral conveying roller to rotate freely in the conveying cylinder. At this time, the second spiral conveying roller can convey the raw materials entering the conveying cylinder from the discharge pipe, and by controlling the number of rotations of the second motor, the number of rotations of the second spiral conveying roller can be controlled, so as to realize quantitative conveying of the raw materials, quickly and quantitatively inject the raw materials into the molding cylinder, and ensure the processing efficiency of the biomass pellet fuel. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of the heating furnace in the embodiment of the utility model;
[0018] Figure 2 This is a schematic cross-sectional view of a heating furnace in an embodiment of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the first motor output terminal in the embodiment of the utility model;
[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the forming cylinder in the embodiment of the utility model.
[0021] In the figure: 1. Heating furnace; 2. First motor; 3. Heater; 4. Hydraulic telescopic rod; 5. Forming cylinder; 6. Conveying cylinder; 7. Second motor; 8. PLC controller; 9. First spiral conveying roller; 10. Stirring blade; 11. Connecting plate; 12. Discharging pipe; 13. Second spiral conveying roller; 14. Forming disk; 15. Piston column; 16. Solenoid valve; 17. Forming hole. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0024] Embodiment 1:
[0025] See also Figures 1 to 3 , hot pressing molding equipment, for the production of biomass pellet fuel, includes: a heating furnace 1, a PLC controller 8 is fixedly installed on the side wall at the bottom of the heating furnace 1, a high-efficiency heating component is arranged on the heating furnace 1, and the high-efficiency heating component includes a heater 3 fixedly installed on the outside of the heating furnace 1, a first motor 2 is fixedly installed on the top of the heating furnace 1, and a first spiral conveying roller 9 is fixedly connected to the output end of the first motor 2, and a plurality of stirring blades 10 are evenly fixedly installed on the side wall at the top of the first spiral conveying roller 9, and a connecting plate 11 is fixedly installed on the inner wall of the plurality of stirring blades 10.
[0026] See also Figure 2 The bottom end of the heating furnace 1 is connected to a discharge pipe 12 , on which a solenoid valve 16 electrically connected to the PLC controller 8 is fixedly installed.
[0027] See also Figure 2 A forming cylinder 5 is also provided on the bottom side of the heating furnace 1, and a hydraulic telescopic rod 4 is fixedly installed on the top of the forming cylinder 5, and a piston column 15 is fixedly installed on the extended end of the hydraulic telescopic rod 4.
[0028] See also Figure 2 The outer wall of the piston column 15 is closely fitted with the inner wall of the forming cylinder 5, and the bottom end of the piston column 15 is set to be a truncated cone.
[0029] See also Figure 2 A molding disk 14 is fixedly installed at the bottom end of the molding cylinder 5, and a plurality of molding holes 17 are evenly penetrated through the molding disk 14.
[0030] In the present embodiment, during use, after the heater 3 is started, the heater 3 can heat the raw materials in the heating furnace 1. At this time, the first motor 2 is started, and the first motor 2 can drive the first spiral conveying roller 9 to rotate in the heating furnace 1. At this time, the first spiral conveying roller 9 can convey the raw materials at the bottom of the heating furnace 1 upward. During the rotation of the first spiral conveying roller 9, the stirring blade 10 and the connecting plate 11 can stir the raw materials in the heating furnace 1, which can improve the heating efficiency, shorten the time consumed for heating the raw materials, and reduce energy consumption.
[0031] Embodiment 2:
[0032] See also Figures 1 to 4 The hot pressing molding equipment for biomass pellet fuel production also includes: an automatic conveying component arranged at the bottom end of the heating furnace 1, the automatic conveying component includes a conveying cylinder 6 arranged at the bottom end of the heating furnace 1, the top of the conveying cylinder 6 is connected to the bottom wall of the discharge pipe 12, and the side wall of the conveying cylinder 6 is connected to the side wall of the molding cylinder 5.
[0033] See also Figure 4 A second spiral conveying roller 13 is rotatably installed in the conveying cylinder 6, and the outer wall of the second spiral conveying roller 13 is tightly fitted with the inner wall of the conveying cylinder 6. A second motor 7 is fixedly installed on the side wall of the forming cylinder 5, and the output end of the second motor 7 is fixedly connected to the central axis of the second spiral conveying roller 13.
[0034] In this embodiment, during use, after the user starts the second motor 7, the second motor 7 can drive the second spiral conveying roller 13 to rotate freely in the conveying cylinder 6. At this time, the second spiral conveying roller 13 can convey the raw materials entering the conveying cylinder 6 from the discharge pipe 12, and by controlling the number of rotations of the second motor 7, the number of rotations of the second spiral conveying roller 13 can be controlled, so as to realize quantitative conveying of the raw materials, quickly and quantitatively inject the raw materials into the molding cylinder 5, and ensure the processing efficiency of the biomass pellet fuel.
[0035] Working principle: First, fill the raw materials for preparing biomass pellet fuel into the heating furnace 1, and then start the heater 3. At this time, the heater 3 can heat the raw materials in the heating furnace 1. At this time, start the first motor 2. The first motor 2 can drive the first spiral conveying roller 9 to rotate in the heating furnace 1. At this time, the first spiral conveying roller 9 can convey the raw materials at the bottom of the heating furnace 1 upward. During the rotation of the first spiral conveying roller 9, the stirring blade 10 and the connecting plate 11 can stir the raw materials in the heating furnace 1, which can improve the heating efficiency, shorten the time spent on heating the raw materials, and reduce energy consumption. After the heating is completed, the PLC controller 8 automatically opens the solenoid valve 16. At this time, the raw materials It can enter the conveying cylinder 6 along the discharge pipe 12. At this time, the second motor 7 is started, and the second motor 7 can drive the second spiral conveying roller 13 to rotate freely in the conveying cylinder 6. At this time, the second spiral conveying roller 13 can convey the raw materials entering the conveying cylinder 6 from the discharge pipe 12, and by controlling the number of rotations of the second motor 7, the number of rotations of the second spiral conveying roller 13 can be controlled, so as to realize quantitative conveying of the raw materials, and can quickly and quantitatively inject the raw materials into the forming cylinder 5, so as to ensure the processing efficiency of the biomass pellet fuel. After the raw materials injected into the forming cylinder 5 are squeezed by the hydraulic telescopic rod 4 and the piston column 15, they can be discharged along the forming hole 17 on the forming disk 14, and can be quickly formed.
[0036] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. Hot pressing equipment for biomass pellet fuel production, including: A heating furnace (1), characterized in that: a PLC controller (8) is fixedly mounted on the side wall at the bottom end of the heating furnace (1); a high-efficiency heating component is arranged on the top of the heating furnace (1), and the high-efficiency heating component includes a heater (3) fixedly mounted on the outside of the heating furnace (1); a first motor (2) is fixedly mounted on the top end of the heating furnace (1); a first spiral conveying roller (9) is fixedly connected to the output end of the first motor (2); a plurality of stirring blades (10) are evenly fixedly mounted on the side wall at the top end of the first spiral conveying roller (9); and a connecting plate (11) is fixedly mounted on the inner wall of each of the plurality of stirring blades (10).
2. The hot pressing molding equipment for producing biomass pellet fuel according to claim 1, characterized in that: The bottom end of the heating furnace (1) is connected to a discharge pipe (12), and a solenoid valve (16) electrically connected to a PLC controller (8) is fixedly mounted on the discharge pipe (12).
3. The hot pressing molding equipment for producing biomass pellet fuel according to claim 2, characterized in that: A forming cylinder (5) is also provided on the bottom side of the heating furnace (1), a hydraulic telescopic rod (4) is fixedly mounted on the top end of the forming cylinder (5), and a piston column (15) is fixedly mounted on the extended end of the hydraulic telescopic rod (4).
4. The hot pressing molding equipment for producing biomass pellet fuel according to claim 3, characterized in that: The outer wall of the piston column (15) is tightly fitted with the inner wall of the forming cylinder (5), and the bottom end of the piston column (15) is configured to be a truncated cone.
5. The hot pressing molding equipment for producing biomass pellet fuel according to claim 4, characterized in that: A molding disc (14) is fixedly mounted on the bottom end of the molding cylinder (5), and a plurality of molding holes (17) are evenly penetrated through the molding disc (14).
6. The hot pressing molding equipment for producing biomass pellet fuel according to claim 1, characterized in that: An automatic conveying assembly is arranged at the bottom end of the heating furnace (1), and the automatic conveying assembly comprises a conveying cylinder (6) arranged at the bottom end of the heating furnace (1), the top end of the conveying cylinder (6) is connected to the bottom wall of the discharge pipe (12), and the side wall of the conveying cylinder (6) is connected to the side wall of the forming cylinder (5).
7. The hot pressing molding equipment for producing biomass pellet fuel according to claim 6, characterized in that: A second spiral conveying roller (13) is rotatably mounted inside the conveying cylinder (6), the outer wall of the second spiral conveying roller (13) is tightly fitted with the inner wall of the conveying cylinder (6), a second motor (7) is fixedly mounted on the side wall of the forming cylinder (5), and the output end of the second motor (7) is fixedly connected to the central axis of the second spiral conveying roller (13).