A pulp filtration and recovery apparatus for pulp molding

Abstract

The utility model discloses a paper pulp filters and recycles equipment for paper pulp molding, including the box, the top of box is open setting, the front side hinged of box has the box door, the box door is made of transparent material, one side of box is equipped with the discharge gate. The utility model belongs to paper pulp recycling technical field, specifically is a kind of paper pulp filters and recycles equipment for paper pulp molding, which solves the problem of long time consumption in self-gravity filtration process, manually pouring the paper pulp raw material to be filtered into the filtering mechanism, high labor intensity and difficult to control the feed amount, the paper pulp raw material to be filtered may contain large pieces of scrap, directly entering the filtering mechanism can exacerbate the problem of screen hole blockage.

Description

Technical Field

[0001] This utility model belongs to the field of pulp recycling technology, and in particular relates to a pulp filtration and recycling device for pulp molding. Background Technology

[0002] In the production process of pulp molded products, a large amount of waste liquid or scrap containing pulp fibers is generated. In order to respond to the concept of green production and reduce raw material costs, recycling and reusing the pulp in these waste liquids and scraps has become a common demand in the industry. The core of pulp recycling lies in filtration, which aims to remove impurities in the pulp, such as larger solid particles and plastic fragments, to ensure the purity of the recycled pulp so that it can be reused in the subsequent production process.

[0003] Currently, most existing pulp filtration and recycling equipment on the market uses fixed screens or simple inclined screening plates for filtration. However, these methods have several drawbacks in practical applications: fixed screens or simple inclined screening plates rely solely on the natural gravity of the pulp to achieve filtration, resulting in slow flow of the pulp on the screening surface and a tendency for localized accumulation. This leads to a lengthy filtration process, which is difficult to meet the needs of continuous industrial production. Existing equipment often requires manual pouring of the pulp raw material to be filtered into the filtration mechanism, which not only increases the intensity of manual labor but also makes it difficult to control the stability of the feed rate. This can easily lead to overloading of the filtration mechanism due to excessive feed or idling of the equipment due to insufficient feed. In addition, some pulp raw materials to be filtered may contain large pieces of scrap material, which can exacerbate the problem of screen clogging if they are directly introduced into the filtration mechanism. Utility Model Content

[0004] The technical problem this invention aims to solve is that the gravity filtration process is time-consuming, and manually pouring the pulp raw material to be filtered into the filtration mechanism is labor-intensive and difficult to control the feed rate. The pulp raw material to be filtered may contain large pieces of scrap material, which will aggravate the clogging of the screen holes if directly entered into the filtration mechanism.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a pulp filtration and recycling device for pulp molding, comprising a box body, the top of which is open, a door hinged to the front of the box body, the door being made of transparent material, and a discharge port on one side of the box body, and further comprising...

[0006] A filter assembly, located inside a housing, includes a screening plate hinged to the inner wall of the housing. A horizontal plate is fixedly connected to the inner wall of the housing. A telescopic rod is fixedly connected to the top wall of the horizontal plate. A slider is fixedly connected to the upper end of the telescopic rod. The top wall of the slider is in contact with the bottom wall of the screening plate. A spring is sleeved on the telescopic rod, and its two ends are fixedly connected to the slider and the horizontal plate.

[0007] Furthermore, a vertical plate is fixedly connected to the top wall of the screening plate, a stepper motor is fixedly installed on the outer wall of the box, a disk is fixedly connected to the output end of the stepper motor, and spheres are fixedly connected to the outer wall of the disk, and they are arranged in a ring. The spheres are in contact with the top wall of the vertical plate.

[0008] Furthermore, the top of the screening plate is recessed, and a flow guide block is fixedly connected to the inner wall of the box, located between the screening plate and the conveying pipe.

[0009] Furthermore, a conveying pipe is fixedly connected to one side of the housing, and a servo motor is fixedly installed on the outer wall of the conveying pipe. The output end of the servo motor is located inside the conveying pipe and is fixedly connected to a conveying blade.

[0010] Furthermore, a material cylinder is fixedly connected to the top of the conveying pipe, and a feed inlet is opened at the top of the material cylinder. A rotary motor is fixedly installed on the top wall of the material cylinder, and the output end of the rotary motor is located inside the material cylinder and is fixedly connected to a blade, which is arranged in a spiral shape.

[0011] Furthermore, a guide plate is fixedly connected between the inner walls of the box, and it is inclined, with the lower end of the guide plate located on one side of the discharge port.

[0012] The beneficial effects of this utility model after adopting the above structure are as follows:

[0013] (1) The stepper motor drives the disc and ball to strike the vertical plate, and the telescopic rod spring makes the screening plate vibrate, which accelerates the pulp flow, replaces gravity natural filtration, avoids accumulation, shortens filtration time, and is suitable for continuous production.

[0014] (2) The servo motor drives the conveyor blades to stably convey the pulp. The material cylinder can temporarily store the raw materials, replace manual feeding, control the feed amount, prevent the filter mechanism from overloaded or running dry, and reduce manual labor.

[0015] (3) The rotating motor drives the spiral blades to cut large pieces of scrap material in the material cylinder, preventing lumpy raw materials from directly entering the screening plate, alleviating the problem of screen hole blockage, ensuring continuous filtration, and improving the practicality of the equipment. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0017] Figure 1 This is a schematic diagram of the overall structure of a pulp filtration and recycling device for pulp molding proposed in this utility model;

[0018] Figure 2 This is a front view of a pulp filtration and recycling device for pulp molding proposed in this utility model;

[0019] Figure 3 A cross-sectional view of a pulp filtration and recycling device for pulp molding proposed in this utility model. Figure 1 ;

[0020] Figure 4 A cross-sectional view of a pulp filtration and recycling device for pulp molding proposed in this utility model. Figure 2 .

[0021] In the attached diagram: 1. Box body, 2. Box door, 3. Discharge port, 4. Screening plate, 5. Horizontal plate, 6. Telescopic rod, 7. Slider, 8. Spring, 9. Vertical plate, 10. Stepper motor, 11. Disc, 12. Ball, 13. Guide block, 14. Conveying pipe, 15. Servo motor, 16. Conveying blade, 17. Material cylinder, 18. Feed port, 19. Rotary motor, 20. Blade, 21. Guide plate. Detailed Implementation

[0022] like Figure 1-4 As shown, a pulp filtration and recycling device for pulp molding includes a box body 1 with an open top for easy maintenance and cleaning; a transparent door 2 is hinged to the front, allowing staff to observe the inside of the box; a discharge port 3 is located on one side of the box body 1 for discharging the filtered pure pulp; inclined guide plates 21 are fixedly connected between the inner walls of the box body 1, with the lower end of the guide plate 21 located on the side of the discharge port 3, allowing the filtered pulp to flow naturally along the inclined guide plate 21 to the discharge port 3, preventing pulp from settling inside the box, ensuring that the recycled pulp is completely discharged, and reducing raw material waste.

[0023] A conveying pipe 14 is fixedly connected to one side of the housing 1. A servo motor 15 is fixedly installed on the outer wall of the conveying pipe 14. The output end of the servo motor 15 is located inside the conveying pipe 14 and is fixedly connected to a conveying paddle 16. A material cylinder 17 is fixedly connected to the top of the conveying pipe 14. The material cylinder 17 can temporarily store the pulp raw material to be filtered, avoiding frequent manual feeding. The staff only needs to replenish the material cylinder 17 periodically, which greatly reduces the intensity of manual labor. When the servo motor 15 is started, the servo motor 15 drives the conveying paddle 16 to rotate inside the conveying pipe 14. The spiral conveying paddle 16 can evenly and stably convey the pulp in the material cylinder 17 into the housing 1, replacing the traditional manual feeding method. It can accurately control the feeding amount, preventing overloading of the filtration mechanism due to excessive feeding and avoiding idling of the equipment due to insufficient feeding, thus ensuring continuous and stable filtration operation. The top of the material cylinder 17 has a corresponding feed inlet 18 for easy replenishment of raw materials. A rotary motor 19 is fixedly installed on the top wall of the material cylinder 17. The output end of the rotary motor 19 is located inside the material cylinder 17 and is fixedly connected to a spiral blade 20. When raw materials containing large lumps and scraps enter the material cylinder 17, the rotary motor 19 drives the blade 20 to rotate. The spiral blade 20 can fully cut the lumps and scraps, decompose them into fine particles, and prevent lumps of raw materials from directly entering the subsequent filtration mechanism. This effectively alleviates the problem of screen clogging, ensures continuous filtration, and improves the practicality and service life of the equipment.

[0024] The housing 1 is equipped with a filter assembly, including a screening plate 4 hinged between the inner walls of the housing 1. The top of the screening plate 4 is recessed, which can accommodate more pulp and prevent the pulp from overflowing from the edge of the screening plate 4 during the filtration process. At the same time, it can guide the pulp to gather towards the center of the screening plate 4, ensuring that impurities are fully intercepted. A guide block 13 is fixedly connected to the inner wall of the housing 1. The guide block 13 is located between the screening plate 4 and the conveying pipe 14. The pulp conveyed by the conveying pipe 14 is guided by the guide block 13 and falls into the center of the screening plate 4, preventing the pulp from directly impacting the edge of the screening plate 4 and causing splashing. This ensures that the pulp completely enters the screening plate 4 for filtration.

[0025] A horizontal plate 5 is fixedly connected to the inner wall of the housing 1. A telescopic rod 6 is fixedly connected to the top wall of the horizontal plate 5. A slider 7 is fixedly connected to the upper end of the telescopic rod 6. The top wall of the slider 7 is in contact with the bottom wall of the screening plate 4. A spring 8 is sleeved on the telescopic rod 6 and its two ends are fixedly connected to the slider 7 and the horizontal plate 5. The telescopic rod 6 and the spring 8 can provide elastic support for the screening plate 4, allowing the screening plate 4 to vibrate up and down flexibly, providing a basis for subsequent vibration filtration. A vertical plate 9 is fixedly connected to the top wall of the screening plate 4. A stepper motor 10 is fixedly installed on the outer wall of the housing 1. A disc 11 is fixedly connected to the output end of the stepper motor 10. A ring of spheres 12 is fixedly connected to the outer wall of the disc 11. When the top of the vertical plate 9 and the 12 are in contact, the stepper motor 10 is started. The stepper motor 10 drives the disc 11 to rotate. The ball 12 on the disc 11 will periodically hit the vertical plate 9. After the vertical plate 9 is subjected to force, it drives the screening plate 4 to swing up and down around the hinge point. With the elastic reset effect of the spring 8 of the telescopic rod 6, the screening plate 4 will generate continuous vibration. During the vibration, the flow speed of the pulp on the screening plate 4 is significantly accelerated, avoiding local accumulation of pulp. It replaces the traditional method of natural filtration by gravity alone, greatly shortens the filtration time, and can meet the efficiency requirements of continuous industrial production. At the same time, the vibration can also prevent fine impurities from clogging the screen holes, further improving the filtration effect.

[0026] The actual operation process is as follows:

[0027] Check the operating status of stepper motor 10, servo motor 15, and rotary motor 19; ensure that conveyor blades 16 and blades 20 rotate smoothly; ensure that screening plate 4 vibrates without jamming; and confirm that the screen of screening plate 4 is undamaged.

[0028] The pulp raw material to be filtered is poured into the feed inlet 18 of the feed cylinder 17, the rotary motor 19 is started to cut the lumpy scraps, the servo motor 15 is started, and the pulp is conveyed to the screening plate 4 through the conveying pipe 14 and the diversion block 13 via the conveying paddle 16.

[0029] Start the stepper motor 10, which drives the disc 11 and the ball 12 to strike the vertical plate 9, causing the screening plate 4 to vibrate. The pure fibers in the pulp pass through the screen and fall onto the guide plate 21, flowing along the guide plate 21 to the discharge port 3 for discharge. Impurities are trapped on the screening plate 4.

[0030] After filtration is complete, turn off all motors, remove impurities from screen plate 4, and clean residual pulp from conveying pipe 14 and material cylinder 17 to prepare for the next operation.

[0031] The working principle of this utility model is as follows: the material cylinder 17 and the blade 20 pre-crush the blocky raw materials to prevent clogging, the conveyor paddle 16 automatically feeds the material quantitatively to reduce the intensity, the screening plate 4 vibrates to accelerate the filtration and improve efficiency, and the guide plate 21 guides the pulp out, forming a complete recycling process of "pretreatment-feeding-filtration-out". This solves the problems of slow filtration, high labor intensity and easy clogging of traditional equipment, and meets the recycling needs of green production of pulp molding.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents. In conclusion, if those skilled in the art, inspired by this description, design similar structural methods and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A pulp filtration and recycling device for pulp molding, comprising a housing (1), wherein the top of the housing (1) is open, a door (2) is hinged to the front side of the housing (1), the door (2) is made of transparent material, and a discharge port (3) is provided on one side of the housing (1), characterized in that: Also includes The filter assembly is located inside the housing (1) and includes a screening plate (4) hinged between the inner walls of the housing (1). A horizontal plate (5) is fixedly connected to the inner wall of the housing (1). A telescopic rod (6) is fixedly connected to the top wall of the horizontal plate (5). A slider (7) is fixedly connected to the upper end of the telescopic rod (6). The top wall of the slider (7) is in contact with the bottom wall of the screening plate (4). A spring (8) is sleeved on the telescopic rod (6), and the slider (7) and the horizontal plate (5) are fixedly connected at both ends.

2. The pulp filtration and recycling equipment for pulp molding according to claim 1, characterized in that: A vertical plate (9) is fixedly connected to the top wall of the screening plate (4), a stepper motor (10) is fixedly installed on the outer wall of the box (1), a disc (11) is fixedly connected to the output end of the stepper motor (10), a ball (12) is fixedly connected to the outer wall of the disc (11), and they are arranged in a ring. The ball (12) and the top wall of the vertical plate (9) are in contact.

3. A pulp filtration and recycling device for pulp molding according to claim 1 or 2, characterized in that: The top of the screening plate (4) is recessed, and a flow guide block (13) is fixedly connected to the inner wall of the box (1), which is located between the screening plate (4) and the conveying pipe (14).

4. The pulp filtration and recycling equipment for pulp molding according to claim 1, characterized in that: A conveying pipe (14) is fixedly connected to one side of the housing (1). A servo motor (15) is fixedly installed on the outer wall of the conveying pipe (14). The output end of the servo motor (15) is located inside the conveying pipe (14) and is fixedly connected to a conveying blade (16).

5. The pulp filtration and recycling equipment for pulp molding according to claim 4, characterized in that: The top of the conveying pipe (14) is fixedly connected to a material cylinder (17) that communicates with it. The top of the material cylinder (17) is provided with a feed inlet (18) that is arranged opposite to it. A rotary motor (19) is fixedly installed on the top wall of the material cylinder (17). The output end of the rotary motor (19) is located inside the material cylinder (17) and is fixedly connected to a blade (20). The blade (20) is arranged in a spiral shape.

6. The pulp filtration and recycling equipment for pulp molding according to claim 1, characterized in that: A guide plate (21) is fixedly connected between the inner walls of the box (1) and is inclined. The lower end of the guide plate (21) is located on one side of the discharge port (3).

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