External biomass spiral feeder
By introducing disassembly components and limiting mechanisms into the biomass screw feeder, the problem of material accumulation in the conveying pipeline was solved, achieving efficient, clean, and quantitative conveying, and ensuring stable operation and improved energy efficiency of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional external biomass screw feeders tend to accumulate material in the conveying pipeline, affecting normal operation.
A biomass screw feeder including disassembly and assembly components and a limiting mechanism was designed. The material is conveyed by a motor-driven rotating shaft and auger blades. The pipe cover can be quickly disassembled and fixed by using a torsion spring and a snap-fit block. The feed plate and partition design enable quantitative conveying and avoid material accumulation.
It achieves efficient cleaning of the conveying pipeline and quantitative conveying of materials, avoids blockages, and improves the operational stability of the equipment and the efficiency of the combustion or gasification process.
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Figure CN224029970U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spiral feeder technical field especially relates to an external biomass spiral feeder. BACKGROUND
[0002] With the wide application of biomass energy, the efficient utilization of biomass fuel has gradually become an important research direction in the energy field. In order to realize the efficient conversion of biomass energy, the stability and conveying efficiency of the feeding device play a crucial role. Biomass spiral feeder as an important conveying device, is widely used in various types of biomass boiler, gasification furnace and other equipment. It uniformly feeds biomass materials (such as wood chips, straw, etc.) into the reactor through the spiral structure, providing stable fuel supply for the subsequent combustion or gasification process.
[0003] The traditional external biomass spiral feeder is installed at the inlet of the material handling system, which uses the motor to drive the spiral blade to rotate, and the biomass materials (such as wood chips, straw, etc.) are conveyed from the silo to the downstream equipment. In the process of use, it is necessary to ensure that the material is uniformly loaded and the feeding speed is adjusted to ensure the efficient operation of the system.
[0004] The traditional external biomass spiral feeder usually adopts fixed pipeline and spiral blade structure, which can easily accumulate materials in the conveying pipeline, affecting the normal operation of the feeder. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides an external biomass spiral feeder, which aims to improve the traditional external biomass spiral feeder, which can easily accumulate materials in the conveying pipeline, affecting the normal operation of the feeder.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: an external biomass spiral feeder, comprising a conveying pipeline, one end of the conveying pipeline is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft is fixedly connected with an auger blade, the upper surface of the conveying pipeline is fixedly connected with a hinge, the outer wall of the hinge is rotatably connected with a pipe cover, one side of the outer wall of the conveying pipeline is provided with a dismounting assembly, the dismounting assembly is used for fixing and releasing the pipe cover;
[0007] The dismounting assembly comprises a clamping block, the bottom of the clamping block is rotatably connected in the interior of the conveying pipeline, a torsion spring is rotatably connected in the interior of the clamping block, the outer wall of the torsion spring is sleeved with a fixed shaft, the interior of the conveying pipeline is provided with a limiting assembly, and the limiting assembly is used for limiting the clamping block.
[0008] Further, the limiting assembly comprises a threaded rod, an outer wall of the threaded rod is threadedly connected in the inside of the conveying pipeline, and one end of the threaded rod is fixedly connected with a limiting block.
[0009] Further, an upper surface of the conveying pipeline is fixedly connected with a connecting pipe, a top of the connecting pipe is fixedly connected with a discharging bin, an outer wall of the rotating shaft is provided with a transmission belt, one end of the transmission belt is provided with a discharging assembly, the discharging assembly is used for uniformly discharging raw materials, and a lower surface of the conveying pipeline is fixedly connected with a discharging plate.
[0010] Further, the discharging assembly comprises a rotating shaft, one end of the rotating shaft is arranged at the top of the transmission belt, both sides of an outer wall of the rotating shaft are provided with bearing seats, and an outer wall of the rotating shaft is fixedly connected with a feeding plate in the middle.
[0011] Further, both ends of the torsion spring are fixedly connected in the inside of the conveying pipeline, and the torsion spring is used for limiting the clamping block.
[0012] Further, one end of the fixed shaft is fixedly connected in the inside of the conveying pipeline, and the other end of the fixed shaft is fixedly connected in the inside of the clamping block.
[0013] Further, the limiting block is attached to the clamping block, and the limiting block is used for limiting the clamping block.
[0014] Further, an outer wall of the bearing seat is fixedly connected to an outer wall of the discharging bin, and the bearing seat is used for supporting the rotating shaft.
[0015] The utility model has the advantages of the following beneficial effects:
[0016] 1、in the utility model, through the cooperation of the driving device and the limiting mechanism, the pipe cover of the conveying pipeline can be easily opened, and the quick separation and re-fixing of the pipe cover are realized by the action of the torsion spring and the clamping block, so that the cleaning work becomes more efficient and convenient, the user can directly clean the inside of the conveying pipeline without disassembling complex components, material accumulation and impurity blockage are avoided, the good working state of the feeder is helped to maintain, and the service life of the equipment is prolonged.
[0017] 2、in the utility model, through the cooperation of the feeding plate and the partition, the conveying amount of the material can be accurately controlled, the phenomena of material accumulation and uneven conveying are avoided, the quantitative conveying not only improves the precision of material conveying, but also effectively reduces the fault risk caused by material blockage, in addition, the design of quantitative conveying also ensures the smooth transmission of the biomass material, helps to improve the energy efficiency in the combustion or gasification process, and avoids the problem of feeder blockage caused by too much material. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 A three-dimensional structure schematic view of an external biomass screw feeder is provided in the utility model.
[0019] Figure 2 A motor side structure schematic view of an external biomass screw feeder is provided in the utility model.
[0020] Figure 3 A conveying pipeline internal structure schematic view of an external biomass screw feeder is provided in the utility model.
[0021] Figure 4 A clamping block one side structure schematic view of an external biomass screw feeder is provided in the utility model.
[0022] Figure 5 A discharging bin internal structure schematic view of an external biomass screw feeder is provided in the utility model.
[0023] Legend:
[0024] 1, conveying pipeline; 2, motor; 3, rotating shaft; 4, auger blade; 5, hinge; 6, pipe cover; 7, threaded rod; 8, limiting block; 9, fixed shaft; 10, torsion spring; 11, clamping block; 12, connecting pipe; 13, discharging bin; 14, transmission belt; 15, rotating shaft; 16, bearing seat; 17, feeding plate; 18, discharging plate. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] Reference Figure 1 - Figure 4 An embodiment provided by the utility model: an external biomass screw feeder, comprising a conveying pipeline 1, one end of the conveying pipeline 1 is fixedly connected with a motor 2, the output end of the motor 2 is fixedly connected with a rotating shaft 3, one end of the rotating shaft 3 is fixedly connected with an auger blade 4, the upper surface of the conveying pipeline 1 is fixedly connected with a hinge 5, the outer wall of the hinge 5 is rotatably connected with a pipe cover 6, one side of the outer wall of the conveying pipeline 1 is provided with a dismounting assembly, and the dismounting assembly is used for fixing and releasing the pipe cover 6.
[0027] The disassembly and assembly component comprises a clamping block 11, the bottom of the clamping block 11 is rotationally connected in the inside of the conveying pipeline 1, the inside of the clamping block 11 is rotationally connected with a torsion spring 10, the outer wall of the torsion spring 10 is sleeved with a fixed shaft 9, the inside of the conveying pipeline 1 is provided with a limiting component, the limiting component is used for limiting the clamping block 11, the limiting component comprises a threaded rod 7, the outer wall of the threaded rod 7 is threadedly connected in the inside of the conveying pipeline 1, one end of the threaded rod 7 is fixedly connected with a limiting block 8;
[0028] Specifically, when the conveying pipeline 1 needs to be cleaned, the user can drive the rotation of the rotating shaft 3 by starting the motor 2, drive the rotation of the auger blade 4, and then start the separation mechanism of the limiting block 8 and the clamping block 11 by the rotation of the threaded rod 7, so as to realize the disassembly of the pipe cover 6, and the automatic separation of the pipe cover 6 and the clamping block 11 is realized by the torsion spring 10. When disassembling, only the pipe cover 6 needs to be opened, the inside of the conveying pipeline 1 is cleaned, the cleaning process becomes more efficient and efficient, after cleaning, the clamping block 11 is driven to fix the pipe cover 6 again by the reverse rotation of the torsion spring 10, to ensure that the pipeline is resealed, significantly improve the maintenance efficiency of the equipment, reduce the operation difficulty, reduce the human error in the cleaning process, and ensure the continuous and efficient operation of the biomass material conveyor.
[0029] Referring to Figure 1 , Figure 2 and Figure 5 , the upper surface of the conveying pipeline 1 is fixedly connected with a connecting pipe 12, the top of the connecting pipe 12 is fixedly connected with a discharging bin 13, the outer wall of the rotating shaft 3 is provided with a transmission belt 14, one end of the transmission belt 14 is provided with a discharging assembly, the discharging assembly is used for uniformly discharging raw materials, the lower surface of the conveying pipeline 1 is fixedly connected with a discharging plate 18, the discharging assembly comprises a rotating shaft 15, one end of the rotating shaft 15 is arranged at the top of the transmission belt 14, the outer wall of the rotating shaft 15 is provided with a bearing seat 16 on both sides, the outer wall of the rotating shaft 15 is fixedly connected with a feeding plate 17 on the middle side, both ends of the torsion spring 10 are fixedly connected in the inside of the conveying pipeline 1, the torsion spring 10 is used for limiting the clamping block 11, one end of the fixed shaft 9 is fixedly connected in the inside of the conveying pipeline 1, the other end of the fixed shaft 9 is fixedly connected in the inside of the clamping block 11, the limiting block 8 is in contact with the clamping block 11, the limiting block 8 is used for limiting the clamping block 11, the outer wall of the bearing seat 16 is fixedly connected with the outer wall of the discharging bin 13, the bearing seat 16 is used for supporting the rotating shaft 15;
[0030] Specifically, the transmission belt 14 is driven to rotate by the rotating shaft 3, and then the rotating shaft 15 is driven to rotate in the discharge bin 13, so that the feeding plate 17 accurately drives the quantitative conveying of the biomass material, the conveying amount of the material is cleverly controlled by the partition between the feeding plates 17, the stable and consistent conveying amount of the material each time is ensured, the accumulation and blockage of the material in the conveying pipeline 1 are avoided, the smooth flow of the material in the conveying process is ensured, and the equipment failure caused by uneven or excessive conveying is avoided.
[0031] Working principle: when the external biomass screw feeder needs to be used, first, the biomass material is placed in the inside of the discharge bin 13, and then the motor 2 is started to drive the rotating shaft 3 to rotate, so that the transmission belt 14 is driven to rotate by the rotating shaft 3, and then the rotating shaft 15 is driven to rotate in the inside of the discharge bin 13, and then the feeding plate 17 is driven to rotate by the rotating shaft 15, and the biomass material is quantitatively conveyed by the partition between the feeding plates 17, so that the biomass material is prevented from being blocked, and then the biomass material is conveyed into the inside of the conveying pipeline 1 through the connecting pipe 12;
[0032] In addition, the auger blade 4 is driven to rotate in the inside of the conveying pipeline 1 by the rotating shaft 3, so that the biomass material is uniformly conveyed, and finally the discharging plate 18 is used for discharging, in this process, the threaded rod 7 is driven to rotate in the inside of the conveying pipeline 1, so that the limiting block 8 is separated from the clamping block 11, then the clamping block 11 is pulled to rotate on the outer wall of the fixed shaft 9, so that the clamping block 11 is separated from the pipe cover 6, and the torsion spring 10 is twisted, when the clamping block 11 is completely separated from the pipe cover 6, the pipe cover 6 is pulled to rotate around the hinge 5, so that the conveying pipeline 1 can be opened to clean the inside, when installing, the pipe cover 6 is placed back to the original position, then the clamping block 11 is loosened, the torsion spring 10 is reversed, and then the clamping block 11 is driven to move above the pipe cover 6 to fix the pipe cover 6, the disassembly and assembly of the conveying pipeline 1 are realized, and cleaning is facilitated.
[0033] Finally, it should be pointed out that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. An external biomass screw feeder comprising a conveying pipe (1), characterized in that: One end of the conveying pipeline (1) is fixedly connected with a motor (2), an output end of the motor (2) is fixedly connected with a rotating shaft (3), one end of the rotating shaft (3) is fixedly connected with a screw auger blade (4), an upper surface of the conveying pipeline (1) is fixedly connected with a hinge (5), an outer wall of the hinge (5) is rotationally connected with a pipe cover (6), one side of an outer wall of the conveying pipeline (1) is provided with a dismounting assembly, the dismounting assembly is used for fixing and releasing the pipe cover (6). The dismounting assembly comprises a clamping block (11), the bottom of the clamping block (11) is rotationally connected in the conveying pipeline (1), a torsional spring (10) is rotationally connected in the clamping block (11), an outer wall of the torsional spring (10) is sleeved with a fixed shaft (9), a limiting assembly is arranged in the conveying pipeline (1), and the limiting assembly is used for limiting the clamping block (11).
2. The external biomass screw feeder according to claim 1, characterized in that: The limiting assembly comprises a threaded rod (7), the outer wall of the threaded rod (7) is threadedly connected in the conveying pipeline (1), and one end of the threaded rod (7) is fixedly connected with a limiting block (8).
3. The external biomass screw feeder according to claim 1, wherein: The upper surface of the conveying pipeline (1) is fixedly connected with a connecting pipe (12), the top of the connecting pipe (12) is fixedly connected with a discharging bin (13), the outer wall of the rotating shaft (3) is provided with a transmission belt (14), one end of the transmission belt (14) is provided with a discharging assembly, the discharging assembly is used for uniformly discharging raw materials, and the lower surface of the conveying pipeline (1) is fixedly connected with a discharging plate (18).
4. The external biomass screw feeder according to claim 3, characterized in that: The discharging assembly comprises a rotating shaft (15), one end of the rotating shaft (15) is arranged at the top of the transmission belt (14), the outer wall of the rotating shaft (15) is provided with a bearing seat (16) on both sides, and the outer wall of the rotating shaft (15) is fixedly connected with a feeding plate (17) in the middle.
5. The external biomass screw feeder according to claim 1, wherein: Both ends of the torsional spring (10) are fixedly connected in the conveying pipeline (1), and the torsional spring (10) is used for limiting the clamping block (11).
6. The external biomass screw feeder according to claim 1, wherein: One end of the fixed shaft (9) is fixedly connected in the conveying pipeline (1), and the other end of the fixed shaft (9) is fixedly connected in the clamping block (11).
7. The external biomass screw feeder according to claim 2, wherein: The limiting block (8) is attached to the clamping block (11), and the limiting block (8) is used for limiting the clamping block (11).
8. The external biomass screw feeder according to claim 4, characterized in that: The outer wall of the bearing seat (16) is fixedly connected to the outer wall of the discharging bin (13), and the bearing seat (16) is used for supporting the rotating shaft (15).