Palm fiber wet-process material preparation and dehydration device
By designing a wet dewatering device for palm fiber, and utilizing a combination of arc-shaped screen plate, toothed roller, chain plate and air knife, the problem of palm fiber entanglement and machine stoppage in the inclined spiral dewatering machine was solved, achieving uniform dewatering and normal metering.
Patent Information
- Application Number
- CN202422762473.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-11-13
AI Technical Summary
In existing technologies, palm fibers are easily trapped between the spiral body and the screen in inclined spiral dewatering machines, leading to machine downtime and screen damage. At the same time, fiber entanglement affects metering in the next process section.
A wet preparation and dewatering device for palm fiber is designed, which adopts a combination structure of arc-shaped screen plate, toothed roller, chain plate and air knife, and is combined with extrusion device to achieve uniform feeding and dewatering of fiber.
It effectively prevents fiber entanglement, improves dewatering uniformity, ensures normal metering in the next process stage, and reduces equipment failure and damage.
Smart Images
Figure CN223623342U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of palm fiber papermaking and pulping, and in particular to a wet preparation and dewatering device for palm fiber. Background Technology
[0002] Before pulping, palm fiber needs to be washed to remove impurities. After washing, the fiber raw material needs to be dehydrated evenly and then sent to the next stage for metering. Since there is no dehydration equipment for wet preparation of palm fiber in China, the previous wet preparation equipment for palm fiber used rice (wheat) straw dehydration equipment - inclined spiral dehydrator.
[0003] However, the inclined spiral dewatering machine encounters the following problems during the dewatering of palm fibers, which brings difficulties to normal production: 1. Palm fibers are easily trapped between the spiral and the screen, causing machine downtime and damaging the screen; 2. Palm fibers are easily tangled together during the rotation of the spiral, affecting the metering of the next stage.
[0004] Therefore, it is necessary to provide a wet preparation and dehydration device for palm fiber to solve the above-mentioned technical problems. Utility Model Content
[0005] This utility model provides a wet preparation and dewatering device for palm fiber, which solves the problems of palm fiber getting stuck between the screw and the screen in the current inclined screw dewatering machine, causing machine downtime and screen damage, and palm fiber easily getting tangled together during the rotation of the screw, affecting the metering of the next stage.
[0006] To solve the above-mentioned technical problems, this utility model provides a wet preparation and dewatering device for palm fiber, comprising:
[0007] The mounting frame has a hopper on one side of its surface, an arc-shaped screen plate laid on the lower part of the hopper, a toothed roller installed inside the hopper, a chain plate on the surface of the mounting frame and below the hopper, a material-pushing roller on the chain plate, a chain plate cover on the surface of the chain plate, and multiple air knives installed inside the chain plate cover.
[0008] Preferably, the toothed roller is used for the fiber feeding operation.
[0009] Preferably, the surface of the chain plate has multiple small holes.
[0010] Preferably, the air knife is used to accelerate the dehydration of free water on the fibers.
[0011] Preferably, the top of the hopper is provided with an extrusion device, which includes two fixed seats. A motor is installed on one side of one of the fixed seats. One end of the output shaft of the motor is fixedly connected to a threaded rod through a coupling. One end of the threaded rod is rotatably connected to one side of the other fixed seat through a rotating shaft.
[0012] Preferably, a partition block is provided at the center of the surface of the threaded rod, and threaded sleeves are threadedly connected to both the left and right sides of the surface of the threaded rod.
[0013] Preferably, the bottom of both threaded sleeves is connected to a compression plate via a connecting block, and a rubber pad is adhered to the surface of the compression plate.
[0014] Preferably, the aforementioned.
[0015] Compared with related technologies, the palm fiber wet preparation and dehydration device provided by this utility model has the following beneficial effects:
[0016] This utility model provides a wet preparation and dehydration device for palm fiber. The device uses an arc-shaped screen plate and toothed roller inside the hopper in conjunction with a chain plate cover with chain plates and multiple air knives. This can make the moisture content of the palm fiber uniform, prevent the fiber from tangling and knotting, and arrange the fibers evenly, which is convenient for measurement in the next process stage. Attached Figure Description
[0017] Figure 1 A schematic diagram of the structure of a first embodiment of a wet preparation and dehydration device for palm fiber provided by this utility model;
[0018] Figure 2 for Figure 1 A top view of the entire device shown;
[0019] Figure 3 This is a schematic diagram of the second embodiment of a wet preparation and dehydration device for palm fiber provided by this utility model.
[0020] Labels in the diagram: 1. Hopper; 2. Arc-shaped screen plate; 3. Toothed roller; 4. Chain plate; 5. Feed roller; 6. Chain plate cover; 7. Air knife; 8. Mounting frame;
[0021] 9. Extrusion device; 91. Fixed base; 92. Motor; 93. Threaded rod; 94. Separator block; 95. Threaded sleeve; 96. Extrusion plate; 97. Rubber pad. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] First Embodiment
[0024] Please refer to the following: Figure 1 and Figure 2 ,in, Figure 1 A schematic diagram of the structure of a first embodiment of a wet preparation and dehydration device for palm fiber provided by this utility model; Figure 2 for Figure 1 The diagram shows a top view of the overall apparatus. A wet preparation and dewatering apparatus for palm fiber includes:
[0025] Mounting frame 8, a hopper 1 is provided on one side of the surface of the mounting frame 8, an arc-shaped screen plate 2 is laid on the lower part of the hopper 1, a toothed roller 3 is installed inside the hopper 1, a chain plate 4 is provided on the surface of the mounting frame 8 and below the hopper 1, a material-pushing roller 5 is provided on the chain plate 4, a chain plate cover 6 is installed on the surface of the chain plate 4, and multiple air knives 7 are installed inside the chain plate cover 6.
[0026] The toothed roller 3 is used for fiber feeding.
[0027] The surface of the chain plate 4 has multiple small holes.
[0028] A drive motor is also installed on the mounting frame 8, which can drive the chain plate 4 to rotate.
[0029] The small holes facilitate the outflow of excess moisture carried in by the fibers.
[0030] The air knife 7 is used to accelerate the dehydration of free water on the fiber.
[0031] Four air knives 7 are installed on the chain plate cover 6. A drive motor is installed on one side of the hopper 1. One end of the output shaft of the drive motor is connected to the toothed roller 3 through a coupling, which can drive the toothed roller 3 to feed palm fiber inside the hopper 1.
[0032] The working principle of the wet preparation and dehydration device for palm fiber provided by this utility model is as follows:
[0033] When in use, after the palm fiber is placed inside the hopper 1, the toothed roller 3 is started to drive the palm fiber inside the hopper 1 to be conveyed through the arc screen plate 2 to the surface of the chain plate 4. After the palm fiber is fed to the surface of the chain plate 4, the air knife 7 is started to dehydrate and dry the palm fiber on the surface of the chain plate 4.
[0034] Compared with related technologies, the palm fiber wet preparation and dehydration device provided by this utility model has the following beneficial effects:
[0035] This utility model provides a wet preparation and dehydration device for palm fiber. Inside the hopper 1, an arc-shaped screen plate 2 and a toothed roller 3 are set up in conjunction with a chain plate cover 6 with a chain plate 4 and multiple air knives 7. This can make the moisture content of the palm fiber uniform, prevent the fiber from tangling and knotting, and arrange the fibers evenly, which is convenient for the next stage of measurement.
[0036] Second Embodiment
[0037] Please refer to the following: Figure 3 Based on the first embodiment of this application which provides a wet preparation and dewatering apparatus for palm fibers, the second embodiment of this application proposes another wet preparation and dewatering apparatus for palm fibers. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0038] Specifically, the difference in the palm fiber wet preparation and dewatering device provided in the second embodiment of this application is that the palm fiber wet preparation and dewatering device has an extrusion device 9 on the top of the hopper 1. The extrusion device 9 includes two fixed seats 91. A motor 92 is installed on one side of one of the fixed seats 91. One end of the output shaft of the motor 92 is fixedly connected to a threaded rod 93 through a coupling. One end of the threaded rod 93 is rotatably connected to one side of the other fixed seat 91 through a rotating shaft.
[0039] A partition block 94 is provided at the center of the surface of the threaded rod 93, and threaded sleeves 95 are threadedly connected to both the left and right sides of the surface of the threaded rod 93.
[0040] Two fixed blocks 91 are symmetrically connected to the two sides of the top of the hopper 1. The motor 92 is a servo motor and is powered by an external power source. The two sides of the extrusion plate 96 are in contact with the inner wall of the hopper 1.
[0041] The bottom of each of the two threaded sleeves 95 is connected to a compression plate 96 via a connecting block, and a rubber pad 97 is adhered to the surface of the compression plate 96.
[0042] The working principle of the wet preparation and dehydration device for palm fiber provided by this utility model is as follows:
[0043] In use, when the palm fiber is added into the hopper 1 and is fed evenly with the toothed roller 3, the motor 92 is started first to drive the threaded rod 93 to rotate. When the threaded rod 93 rotates, it drives the threaded sleeves 94 on both sides of the surface to move towards the middle. When the two threaded sleeves 94 move, the connecting block drives the extrusion plate 96 with rubber pads 97 to extrude and fix the palm fiber inside the hopper 1. Then, the toothed roller 3 slowly and evenly feeds the palm fiber inside the hopper 1.
[0044] Compared with related technologies, the palm fiber wet preparation and dehydration device provided by this utility model has the following beneficial effects:
[0045] This utility model provides a wet preparation and dehydration device for palm fiber. An extrusion device 9 is set on the top of the hopper 1 to facilitate the clamping and fixing of the palm fiber after it is added into the hopper 1, and to facilitate the uniform feeding of the palm fiber with the toothed roller 3.
[0046] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A wet preparation and dewatering device for palm fiber, characterized in that, include: The mounting frame has a hopper on one side of its surface, an arc-shaped screen plate laid on the lower part of the hopper, a toothed roller installed inside the hopper, a chain plate on the surface of the mounting frame and below the hopper, a material-pushing roller on the chain plate, a chain plate cover on the surface of the chain plate, and multiple air knives installed inside the chain plate cover.
2. The palm fiber wet preparation and dewatering device according to claim 1, characterized in that, The toothed roller is used for fiber feeding.
3. The palm fiber wet preparation and dewatering device according to claim 1, characterized in that, The surface of the chain plate has multiple small holes.
4. The palm fiber wet preparation and dewatering device according to claim 1, characterized in that, The air knife is used to accelerate the dehydration of free water on the fibers.
5. The palm fiber wet preparation and dewatering apparatus according to claim 1, characterized in that, The top of the hopper is equipped with an extrusion device, which includes two fixed seats. A motor is installed on one side of one of the fixed seats. One end of the output shaft of the motor is fixedly connected to a threaded rod through a coupling. One end of the threaded rod is rotatably connected to one side of the other fixed seat through a rotating shaft.
6. The palm fiber wet preparation and dewatering apparatus according to claim 5, characterized in that, A partition block is provided at the center of the surface of the threaded rod, and threaded sleeves are threadedly connected to both the left and right sides of the surface of the threaded rod.
7. The palm fiber wet preparation and dewatering apparatus according to claim 6, characterized in that, Both of the threaded sleeves have a compression plate connected to their bottoms via a connecting block, and a rubber pad is adhered to the surface of the compression plate.