Primary pulp residue-water separation equipment for clean papermaking

Abstract

The invention relates to raw pulp residue-water separation equipment for cleaning papermaking, and relates to the technical field of papermaking equipment, the raw pulp residue-water separation equipment for cleaning papermaking comprises a fixing cylinder, a discharging port is provided with a filtering device, the filtering device comprises a mounting frame, a filtering net is arranged in the mounting frame, the mounting frame is provided with a cleaning device, and the cleaning device comprises a guide plate, a driving assembly, a scraping assembly and a beating assembly; the scraping assembly comprises a third chain wheel and a third chain, the driving assembly is used for driving the third chain wheel to rotate along the fixed cylinder, the third chain wheel drives the third chain to rotate, the third chain is connected with a plurality of scraping plates, and the scraping plates abut against the surface of the filter screen; the beating assembly comprises a fourth chain wheel and an elastic rod, the fourth chain wheel is meshed with the third chain and rotationally connected with the fixing cylinder, the elastic rod and the fourth chain wheel are coaxially and fixedly connected, elastic rods and beating blocks are arranged on the surface of the elastic rod in an array mode, the beating blocks are connected with the elastic rod through the elastic rod, and the beating blocks abut against the filter screen. The filtering device has the effect of effectively improving the filtering efficiency.

Description

Technical Field

[0001] The present application relates to the technical field of papermaking equipment, and in particular to a pulp slag water separation device for clean papermaking. Background Art

[0002] Papermaking is a shining pearl in China's industrial history. Papermaking requires multiple steps, including raw material preparation: wood and non-wood fibers are converted into pulp through mechanical pulping, chemical pulping, etc., and the pulp is separated into raw pulp, slag and water. Then, the papermaking process is completed by the machine forming, drying, calendering and other processes.

[0003] In the related art, when separating the slag and water in the papermaking pulp of the machine, a sedimentation tank is usually used for sedimentation, and the slag and water separation is completed by natural sedimentation. Then the operator performs corresponding treatment on the slag at the bottom of the sedimentation tank and the clean water on the top.

[0004] Regarding the above-mentioned related technologies, natural sedimentation is a method that consumes a lot of time and has an unstable sedimentation effect, which is not conducive to improving the filtration efficiency in the overall papermaking industry, thereby reducing the overall economic efficiency. Summary of the Invention

[0005] In order to effectively improve the filtration efficiency, the present application provides a raw pulp slag water separation device for clean papermaking.

[0006] The present application provides a clean pulp slag water separation device for papermaking, which adopts the following technical solution: A device for separating raw pulp and slag from water for clean papermaking comprises a fixed cylinder, wherein the top of the fixed cylinder is provided with a feed inlet, and the side wall of the fixed cylinder is provided with multiple discharge ports; Each discharge port is equipped with a filter device, the filter device includes a mounting frame, a filter screen is provided inside the mounting frame, and the mesh size of the plurality of filter screens gradually increases along the vertical direction; Each mounting frame is equipped with a cleaning device, which includes a guide plate, a drive assembly, a scraper assembly and a striking assembly. The guide plate is tilted and fixedly connected to the fixed cylinder. The scraper assembly includes a third sprocket and a third chain, the driving assembly is used to drive the third sprocket to rotate along the fixed cylinder, the third sprocket drives the third chain to rotate, the third chain is connected to a plurality of scraper plates, and the scraper plates abut against the surface of the filter screen; The striking assembly includes a fourth sprocket and an elastic rod. The fourth sprocket is engaged with the third chain and is rotatably connected to the fixed cylinder. The elastic rod and the fourth sprocket are coaxially fixedly connected. The surface array of the elastic rod is arranged with elastic rods and striking blocks. The striking blocks are connected to the elastic rod through the elastic rod, and the striking blocks abut against the filter screen.

[0007] By adopting the above technical solution, the mesh size of the filter gradually increases in the vertical direction, realizing multi-stage filtration from coarse to fine, improving separation efficiency, and driving the scraper plate through the third sprocket and the third chain to automatically clean the surface of the filter to prevent clogging. The elastic rod and the striking block are driven by the fourth sprocket to regularly strike the filter to further remove the solid matter in the filter pores, which can better filter. At the same time, regular cleaning can reduce clogging and wear, extend the service life of the filter, replace the filter with a suitable mesh size, adapt to different slurry characteristics, and meet diversified production needs. The inclined guide plate ensures that the slurry is evenly distributed to avoid local clogging.

[0008] Optionally, the driving assembly includes two first sprockets and a first chain, the two first sprockets are arranged in sequence along the vertical direction and are rotatably connected to the fixed cylinder, the first chain is engaged with the first sprocket, and the first sprocket and the third sprocket are coaxially fixedly connected; The first chain is provided with supporting plates at intervals, and the supporting plates are located below the guide plates.

[0009] By adopting the above technical solution, the two first sprockets are arranged in the vertical direction to ensure that the first chain remains stable during operation, reducing jitter and deviation. The first sprocket and the third sprocket are coaxially fixed to ensure that the scraper assembly and the drive assembly run synchronously, thereby improving transmission reliability. The setting of the bearing plate can abut against the raw pulp, thereby mobilizing the first chain to rotate, and at the same time driving the first sprocket to rotate, driving the third sprocket to rotate, thereby improving the transmission effect, avoiding the use of external power source, and reducing energy consumption.

[0010] Optionally, the horizontal section and the vertical section of the bearing plate are elastically hinged.

[0011] By adopting the above technical solution, the horizontal plate can effectively provide support for the raw pulp, and the vertical section can prevent the raw pulp from spilling, thereby improving the bearing effect of the supporting plate.

[0012] Optionally, the guide plate is inclined downward along the traveling direction of the raw pulp; The installation frame is tilted and tilted downward along the traveling direction of the pulp, and the tilting direction of the installation frame is opposite to the tilting direction of the guide plate.

[0013] By adopting the above technical solution, the guide plate is tilted and tilted downward along the direction of the original slurry, which helps the slurry to flow smoothly and avoid accumulation or blockage. The installation frame is tilted in the opposite direction: opposite to the tilt direction of the guide plate, which prolongs the residence time of the slurry on the filter screen and improves the filtering effect.

[0014] Optionally, the scraper plate is provided with a blade strip near the end surface of the scraper plate, the blade strip is fixedly connected to the scraper plate, and the blade strip is attached to the filter screen.

[0015] By adopting the above technical solution, the blade strips can quickly remove solid matter on the surface of the filter, reduce filter blockage, and maintain efficient operation of the equipment. The blade strips can more effectively scrape off stubborn solid matter and attachments on the surface of the filter, improving the cleaning effect. The blade strips fit the filter to ensure that no dead corners are left during cleaning, keeping the filter clean.

[0016] Optionally, the guide plate is equipped with a pusher assembly, the pusher assembly includes a second sprocket and a second chain, the second sprocket is engaged with the first chain, the second sprocket is engaged with the second chain, and the second sprocket is used to drive the second chain to rotate along the fixed cylinder; The second sprocket is provided with a push plate at intervals, and the push plate abuts against the guide plate.

[0017] By adopting the above technical solution, the second sprocket and the first chain are engaged, and then during the sliding process of the first chain, the second sprocket is driven to rotate, driving the second chain to slide, and the push plate pushes the slurry to flow along the guide plate, avoiding accumulation or blockage, reducing the accumulation of solid matter on the filter screen, and reducing energy consumption.

[0018] Optionally, each of the push plates is equipped with a mounting platform and a second spring, the mounting platform and the second chain are fixedly connected, the push plate can slide along the mounting platform, and the push plate is elastically connected to the mounting platform via the second spring.

[0019] By adopting the above technical solution, the second spring enables the push plate to automatically adjust its position according to the slurry thickness and resistance, ensuring that the push plate always fits the guide plate. The elastic design enables the push plate to apply force evenly to avoid local accumulation or blockage. At the same time, the second spring buffers the impact between the push plate and the guide plate, reducing equipment wear and extending service life.

[0020] Optionally, a discharge assembly is provided at each of the discharge ports, and the discharge assembly includes a linear motor and a cleaning plate. The track portion of the linear motor is fixedly connected to the fixed cylinder, and the driving portion of the linear motor slides along the track portion. The cleaning plate abuts against the scraper plate and the blade bar, and the cleaning plate and the driving portion are elastically hinged.

[0021] By adopting the above technical solution, the linear motor accurately controls the movement of the cleaning plate to ensure that the solid matter on the scraper plate and the blade strip is completely removed. The cleaning plate is elastically hinged to the drive part so that the cleaning plate always fits the scraper plate and the blade strip, improving the cleaning effect while avoiding damage to the cleaning plate.

[0022] Optionally, the feed port is equipped with a support cylinder, the inner cavity of the support cylinder is provided with a stirring device, the stirring device includes two first gears, the two first gears are rotatably connected to the support cylinder, and the two first gears are meshed, the first gears are equipped with a mounting tube, the mounting tube and the first gear are coaxially connected, the outer wall of the mounting tube is provided with a plurality of stirring members, the stirring members include a stirring plate, and the stirring plate is installed on the mounting tube.

[0023] By adopting the above technical solution, the two first gears are engaged to ensure the synchronous operation of the installation pipes, so that the slurry is evenly mixed. The stirring plates are evenly distributed on the outer wall of the installation pipe to ensure that the slurry is fully stirred and avoid local uneven concentration. The stirring plates efficiently mix the slurry, reduce the accumulation of solid matter, reduce the risk of clogging, and improve the filtration efficiency. At the same time, the uniform slurry reduces the damage of solid matter to the filter screen and extends the service life of the filter screen.

[0024] Optionally, the mounting tube is equipped with a mounting rod, the mounting rod is passed through the mounting tube and is rotatably connected to the support tube, and the mounting tube elastically slides along the mounting rod via a first spring; The stirring device also includes a vibration assembly, which includes a first bevel gear, a second bevel gear, a cam and an adjusting rod. The first bevel gear and the mounting rod are coaxially fixedly connected, the second bevel gear and the support tube are rotatably connected and mesh with the first bevel gear, the second bevel gear and the cam are coaxially fixedly connected, the adjusting rod and the support tube are rotatably connected, and the contact parts with telescopic properties at both ends of the adjusting rod are respectively located in the annular grooves of the two mounting tubes, and the side walls of the cam are in contact with the side walls of the mounting tube.

[0025] By adopting the above technical solution, the vibration component causes the mounting tube to generate periodic vibrations through the cam and the adjusting rod. The mounting tube slides elastically along the mounting rod through the first spring, causing the stirring plate to generate slight vibrations during the stirring process, thereby further improving the stirring effect. The stirring device can effectively mix various slurries, adapt to different slurry characteristics, and improve the applicability of the device.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. By setting up the filtering device and the cleaning device, it is possible to filter the raw pulp of different concentrations multiple times without the help of an external power source, and simultaneously clean the solid matter on the surface of the filter screen, thereby improving the separation effect of the raw pulp and improving the separation efficiency; 2. By setting up a stirring device, the slurry can be stirred, thereby improving the filtration efficiency; 3. By setting up the plug-in slot, filters of different mesh sizes can be replaced, which improves the overall applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application; Figure 2 1 is a schematic diagram of the stirring device structure; Figure 3 is a schematic cross-sectional view of the fixed cylinder; Figure 4 Schematic diagram of the stirring element structure; Figure 5 1 is a schematic cross-sectional view of the pusher assembly; Figure 6 yes Figure 3 A magnified schematic diagram of part A; Figure 7 It is a schematic diagram of the striking component structure.

[0028] Figure numerals: 1, supporting device; 11, fixing cylinder; 12, feeding port; 121, supporting cylinder; 13, discharging port; 14, plug-in slot; 15, fixing slot; 2, stirring device; 21, first motor; 22, first gear; 23, mounting frame; 24, stirring assembly; 241, mounting rod; 242, mounting pipe; 243, connecting block; 244, first spring; 25, stirring member; 251, bolt; 252, stirring plate; 26, vibration assembly; 261, first bevel gear; 262, second bevel gear; 263, cam; 264, adjusting rod; 3, filtering device; 31, mounting frame; 32, filter Filter; 4. Cleaning device; 41. Guide plate; 42. Driving assembly; 421. First sprocket; 422. First chain; 423. Carrying plate; 43. Pushing assembly; 431. Second sprocket; 432. Second chain; 44. Pushing piece; 441. Mounting table; 442. Second spring; 443. Pushing plate; 45. Scraping assembly; 451. Third sprocket; 452. Third chain; 453. Scraping plate; 46. Discharging assembly; 461. Linear motor; 462. Cleaning plate; 47. Striking assembly; 471. Fourth sprocket; 472. Rotating rod; 473. Elastic rod; 474. Striking block. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-7 This application is described in further detail.

[0030] The embodiments of the present application disclose a device for separating raw pulp and slag water for clean papermaking.

[0031] Reference Figure 1 、 Figure 2 and Figure 3 A clean papermaking pulp slag water separation device includes a supporting device 1, a stirring device 2, a filtering device 3 and a cleaning device 4.

[0032] Reference Figure 1 The supporting device 1 includes a fixed cylinder 11. In this embodiment, the fixed cylinder 11 is preferably a hollow rectangular cylinder. The fixed cylinder 11 is vertically arranged. The bottom of the fixed cylinder 11 is evenly distributed with multiple legs along the vertical direction. The legs are vertically arranged. One end of the leg is fixedly connected to the fixed cylinder 11 by welding, and the other end is fixed to the corresponding position on the ground by anchor bolts.

[0033] Reference Figure 1 and Figure 2 A feed port 12 is provided at the top of the fixed cylinder 11 along the vertical direction, and a support cylinder 121 is provided at the feed port 12. In this embodiment, the inner cavity area of ​​the support cylinder 121 gradually decreases along the vertical direction, and a flipping plate is provided at the bottom of the support cylinder 121. In this embodiment, the outer wall of the flipping plate is attached to the inner wall of the support cylinder 121, and the flipping plate is equipped with a flipping motor, and the reversing motor is used to drive the flipping plate to rotate along the support cylinder 121. A sealing ring is sandwiched between the flipping plate and the support cylinder 121, and the sealing ring is fixed to the flipping plate by screws.

[0034] Reference Figure 1 and Figure 2 The stirring device 2 is installed on the support tube 121. The stirring device 2 includes a first motor 21, a first gear 22 and a mounting bracket 23. In this embodiment, the first motor 21 is preferably a servo motor. The outer shell of the first motor 21 is fixedly connected to the outer wall of the support tube 121 by screws. There are two first gears 22. The two first gears 22 are engaged with each other and are rotatably connected to the outer wall of the support tube 121 by a rotating shaft connection. The gear close to the output shaft of the first motor 21 is coaxially fixedly connected to the output shaft of the first motor 21 by a key connection. The mounting bracket 23 is located in the inner cavity of the support tube 121, and the mounting bracket 23 is fixedly connected to the support tube 121 by screws.

[0035] Reference Figure 1 and Figure 2 In this embodiment, the tangent direction of the meshing point of the first gear 22 is vertically upward.

[0036] Reference Figure 2 and Figure 4The stirring device 2 also includes two stirring components 24, each first gear 22 is equipped with a stirring component 24, the stirring component 24 includes a mounting rod 241 and a mounting tube 242, the mounting rod 241 and the first gear 22 are coaxially fixedly connected, and the mounting rod 241 is rotatably connected to the support cylinder 121 by a bearing connection, the mounting tube 242 is sleeved on the outside of the mounting rod 241, the inner wall of the mounting tube 242 is provided with a guide groove, the long side direction of the guide groove is parallel to the axial direction of the mounting tube 242, the inner cavity of the guide groove is provided with a connecting block 243 and a first spring 244, here, the connecting block 243 can slide along the long side direction of the guide groove, the expansion direction of the first spring 244 is parallel to the long side direction of the guide groove, and the two ends of the first spring 244 are respectively fixedly connected to the mounting tube 242 and the connecting block 243, and the connecting block 243 and the mounting rod 241 are fixedly connected.

[0037] Reference Figure 2 and Figure 5 The surface of the mounting cylinder is provided with multiple groups of stirring members 25, which are arranged at intervals along the axial direction of the mounting cylinder. Each group of stirring members 25 consists of four stirring members 25. The stirring members 25 include bolts 251 and stirring plates 252. The axial direction of the bolts 251 is the radial direction of the mounting cylinder, and the bolts 251 are threadedly connected to the mounting cylinder. The stirring plates 252 are fixedly connected to the bolts 251 by welding.

[0038] Reference Figure 4 In this embodiment, the stirring members 25 installed on the surfaces of the two mounting cylinders are arranged alternately.

[0039] Reference Figure 2 The stirring device 2 also includes a vibration assembly 26, which includes a first bevel gear 261, a second bevel gear 262, a cam 263 and an adjusting rod 264. The first bevel gear 261 is coaxially fixedly connected to the mounting rod 241 connected to the first motor 21 by a key connection, and the second bevel gear 262 and the mounting frame 23 are rotatably connected by a bearing connection, and the second bevel gear 262 and the first bevel gear 261 are meshed, and the cam 263 is coaxially fixedly connected to the second bevel gear 262 by a key connection. The side wall of the cam 263 is attached to the mounting tube 242, and the adjusting rod 264 is elastically hinged to the mounting frame 23 by a torsion spring connection. Both ends of the adjusting rod 264 in the long side direction are provided with a contact end, and the contact end has a certain degree of elasticity. The mounting tube 242 is provided with an annular groove, and the contact end is located in the annular groove and slides along the annular groove.

[0040] Reference Figure 1 The side wall of the fixed cylinder 11 is provided with a plurality of discharge ports 13 , and the plurality of discharge ports 13 are arranged at intervals along the vertical direction. In this embodiment, the opening direction of the discharge ports 13 is horizontal.

[0041] Reference Figure 1Each discharge port 13 is provided with a plug-in groove 14 on the end face adjacent to the discharge port 13 of the fixed cylinder 11. In this embodiment, the plug-in groove 14 is arranged at an angle and tilted downward along the opening direction of the discharge port 13, and the open end of the plug-in groove 14 is located above the discharge port 13.

[0042] Reference Figure 1 and Figure 4 , each plug-in slot 14 is provided with a filter device 3 in the inner cavity, and the filter device 3 includes a mounting frame 31 and a filter screen 32. In this embodiment, the mounting frame 31 is preferably a rectangular frame, and the mounting frame 31 is passed through the plug-in slot 14 and can slide along the opening direction of the plug-in slot 14. The top wall of the mounting frame 31 is consistent in height with the bottom wall of the discharge port 13, and the filter screen 32 is located in the inner cavity of the mounting frame 31, and the filter screen 32 is flush with the top wall of the mounting frame 31.

[0043] Reference Figure 3 In this embodiment, the mesh size of the filter screen 32 gradually increases from top to bottom along the vertical direction.

[0044] Reference Figure 3 Each mounting frame 23 is equipped with a cleaning device 4, which includes a guide plate 41. In this embodiment, the guide plate 41 is preferably a U-shaped plate. The guide plate 41 is tilted, and the tilt direction of the guide plate 41 is opposite to the tilt direction of the mounting frame 31. The guide plate 41 is fixedly connected to the fixed cylinder 11 by screws, and a blanking gap is left between the end of the guide plate 41 and the inner wall of the fixed cylinder 11.

[0045] Reference Figure 3 The fixed cylinder 11 is provided with a fixing groove 15 at the top of each mounting bracket 23. The bottom of the fixing groove 15 is inclined. The inner cavity of the fixing groove 15 is provided with two driving components 42. The two driving components 42 are respectively located on both sides of the long side direction of the fixing groove 15. The driving component 42 includes a first sprocket 421 and a first chain 422. Here, there are two first sprockets 421. The two first sprockets 421 are arranged in sequence along the vertical direction. The rotation axis of the first sprocket 421 is horizontal and is rotatably connected to the fixed cylinder 11. The chain is sequentially wound around the two first sprockets 421 and meshes with the first sprocket 421.

[0046] Reference Figure 3 The driving assembly 42 also includes multiple supporting plates 423. In this embodiment, the supporting plate 423 is composed of a horizontal section and a vertical section. The horizontal section is the supporting part. The supporting surface of the horizontal section is smooth. The vertical section of the supporting plate 423 is located above the horizontal section and is located inside the horizontal section close to the first chain 422. The horizontal section and the vertical section are elastically hinged. Multiple supporting plates 423 are arranged in sequence along the long side direction of the first chain 422. When the supporting plate 423 is in the load-bearing state, the vertical section of the supporting plate 423 is fixedly connected to the corresponding position of the first chain 422 by screws.

[0047] Reference Figure 3 and Figure 5 The inner wall of the fixed cylinder 11 is provided with a support groove above each guide plate, where the long side direction of the support groove is parallel to the long side direction of the guide plate, and the inner cavity of the support groove is provided with a pushing assembly 43, which includes a second sprocket 431 and a second chain 432. Here, there are three second sprockets 431, of which two second sprockets 431 are coaxially arranged, and the two groups of second sprockets 431 are respectively located at the two ends of the long side direction of the support groove, and the second sprockets 431 are rotatably connected to the fixed cylinder 11 by a bearing connection. Any one of the two coaxially arranged second sprockets 431 is engaged with the first chain 422, and the second chain 432 is sequentially connected to the two second sprockets 431 that are not connected to the first chain 422 and are engaged.

[0048] Reference Figure 3 and Figure 5 The pushing assembly 43 also includes a plurality of pushing members 44, which are provided with a plurality of pushing members 44. The plurality of pushing members 44 are arranged in sequence along the long side direction of the second chain 432. The pushing member 44 includes a mounting platform 441, a second spring 442 and a pushing plate 443. The long side direction of the mounting platform 441 is perpendicular to the long side direction of the guide plate. The mounting platform 441 is fixedly connected to the relevant structure of the second chain 432 by screws. The end face of the mounting platform 441 away from the second chain 432 is provided with a mounting hole, the second spring 442 is located in the inner cavity of the mounting hole, and the telescopic direction of the second spring 442 is parallel to the axial direction of the mounting hole. The pushing plate 443 is penetrated by the mounting hole and can slide along the axial direction of the mounting hole. The pushing plate 443 is connected to the mounting platform 441 through the second spring 442, and the end face of the pushing plate 443 away from the second spring 442 can abut against the top wall of the guide plate.

[0049] Reference Figure 3 The inner wall of the fixed cylinder 11 is provided with a receiving groove at each discharge port 13 , and the receiving groove is communicated with the plug-in groove 14 and the discharge port 13 .

[0050] Reference Figure 3The inner cavity of the accommodating groove is provided with a scraper assembly 45, and the scraper assembly 45 includes a third sprocket 451 and a third chain 452. There are two third sprockets 451, and the two third sprockets 451 are respectively located at the two ends of the long side direction of the accommodating groove, one of the third sprockets 451 is coaxially fixedly connected to the first sprocket 421 by a key connection, and the other third sprocket 451 is rotatably connected to the fixed cylinder 11. The third sprocket 451 is rotatably connected to the fixed cylinder 11, and the third chain 452 is sequentially wound around the two third sprockets 451 and meshed with the third sprocket 451. In this embodiment, the end faces of the third chain 452 parallel to each other are respectively located above and below the plane of the mounting frame 31, and the third chain 452 is preferably a double-row chain.

[0051] Reference Figure 3 The scraper assembly 45 also includes a plurality of scraper plates 453, and the plurality of scraper plates 453 are arranged at intervals along the long side direction of the third chain 452. The scraper plates 453 are preferably rectangular plates, and the scraper plates have a certain elasticity so that the scraper plates are opposite. The scraper plates 453 are fixedly connected to the third chain 452 by screws, and the end surface of the scraper plate 453 away from the third chain 452 is provided with a blade bar, which is fixedly connected to the scraper plate 453 by screws, and the blade bar is attached to the surface of the filter screen 32.

[0052] Reference Figure 3 and Figure 6 A discharge assembly 46 is provided at each discharge port 13. The discharge assembly 46 includes a linear motor 461 and a cleaning plate 462. The track portion of the linear motor 461 is fixedly connected to the cylinder by screws, and the track portion of the linear motor 461 is parallel to the opening direction of the discharge port 13. The driving portion can slide along the track portion. The edge of the cleaning plate 462 is in contact with the scraper plate 453 and the blade strip, and the cleaning plate 462 is elastically hinged to the driving portion by a torsion spring connection.

[0053] Reference Figure 3 and Figure 7 A striking assembly 47 is provided below the mounting frame 23, and multiple striking assemblies 47 are arranged in sequence along the long side direction of the mounting frame 31. The striking assembly 47 includes a fourth sprocket 471, a rotating rod 472 and multiple striking pieces. The fourth sprocket 471 is rotatably connected to the fixed cylinder 11 through a rotating shaft connection. The fourth sprocket 471 is engaged with the third chain 452, the rotating rod 472 and the fourth sprocket 471 are coaxially fixedly connected, and the rotating rod 472 is rotatably connected to the fixed cylinder 11. There are multiple striking pieces, and the multiple striking pieces are arranged in an array along the outer wall of the rotating rod 472. The striking pieces include an elastic rod 473 and a striking block 474, and the striking block 474 is connected to the rotating rod 472 through the elastic rod 473.

[0054] The implementation principle of a clean pulp-slag-water separation device for papermaking in an embodiment of the present application is as follows: the operator first puts the pulp into the support cylinder 121 at intervals, and then the first motor 21 drives the first gear 22 to rotate, and the mounting rod 241 rotates, and the cam 263 is driven to rotate through the first bevel gear 261 and the second bevel gear 262, and the cam 263 drives the adjusting rod 264 to rotate, so that the mounting tube 242 slides accordingly along the mounting rod 241, and then the pulp at different positions in the support cylinder 121 is stirred.

[0055] Then the raw pulp is dispersed accordingly by the guide plate 41 and impacts the supporting plate 423, causing the first chain 422 to rotate, thereby driving the first sprocket 421 and the second sprocket 431 to rotate, and the second sprocket 431 drives the second chain 432 to rotate, and the push plate 443 slides. The setting of the second spring 442 ensures that the push plate 443 always abuts against the surface of the guide plate 41, ensuring the pushing effect of the push plate 443 on the raw pulp and filtering the raw pulp as much as possible.

[0056] The third sprocket 451 rotates, thereby driving the third chain 452 to rotate, and the scraper plate 453 scrapes the solid matter on the surface of the filter screen 32. The fourth sprocket 471 and the third chain 452 engage, thereby driving the rotating rod 472 to rotate, and the striking block 474 impacts the filter screen 32 to ensure the filtering effect of the filter screen 32.

[0057] Finally, the linear motor 461 drives the cleaning plate 462 to slide, pushing out the solid matter on the scraper plate 453 and the blade.

[0058] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A clean pulp slag water separation device for papermaking, characterized by: It comprises a fixed cylinder (11), wherein the top of the fixed cylinder (11) is provided with a feed port (12), and the side wall is provided with a plurality of discharge ports (13); Each discharge port (13) is equipped with a filter device (3), the filter device (3) includes a mounting frame (31), a filter screen (32) is provided inside the mounting frame (31), and the mesh size of the plurality of filter screens (32) gradually increases along the vertical direction; Each mounting frame (31) is equipped with a cleaning device (4), the cleaning device (4) comprising a guide plate (41), a driving assembly (42), a scraping assembly (45) and a striking assembly (47), the guide plate (41) being arranged at an angle and fixedly connected to the fixing cylinder (11); The scraper assembly (45) includes a third sprocket (451) and a third chain (452); the driving assembly (42) is used to drive the third sprocket (451) to rotate along the fixed cylinder (11); the third sprocket (451) drives the third chain (452) to rotate; the third chain (452) is connected to a plurality of scraper plates (453); the scraper plates (453) abut against the surface of the filter screen (32); The striking assembly (47) comprises a fourth sprocket (471) and an elastic rod (473). The fourth sprocket (471) is engaged with the third chain (452) and is rotationally connected to the fixed cylinder (11). The elastic rod (473) and the fourth sprocket (471) are coaxially fixedly connected. The surface of the elastic rod (473) is arrayed with elastic rods (473) and striking blocks (474). The striking blocks (474) are connected to the elastic rod (473) through the elastic rod (473). The striking blocks (474) abut against the filter screen (32).

2. The clean pulp slag water separation equipment for papermaking according to claim 1, characterized in that: The driving assembly (42) includes two first sprockets (421) and a first chain (422), the two first sprockets (421) are arranged in sequence along the vertical direction and are rotatably connected to the fixed cylinder (11), the first chain (422) is engaged with the first sprocket (421), and the first sprocket (421) and the third sprocket (451) are coaxially fixedly connected; The first chain (422) is provided with supporting plates (423) arranged at intervals, and the supporting plates (423) are located below the guide plate (41).

3. The clean pulp slag water separation equipment for papermaking according to claim 2, characterized in that: The horizontal section and the vertical section of the bearing plate (423) are elastically hinged.

4. The clean pulp slag water separation equipment for papermaking according to claim 1, characterized in that: The guide plate (41) is inclined downward along the direction of travel of the raw pulp; The installation frame (31) is tilted, and the installation frame (31) is tilted downward along the direction of travel of the raw pulp, and the tilt direction of the installation frame (31) is opposite to the tilt direction of the guide plate (41).

5. The clean pulp slag water separation equipment for papermaking according to claim 1, characterized in that: The scraper plate (453) is provided with a blade strip near the end surface of the scraper plate (453), the blade strip is fixedly connected to the scraper plate (453), and the blade strip is attached to the filter screen (32).

6. The clean pulp slag water separation equipment for papermaking according to claim 2, characterized in that: The guide plate (41) is provided with a push assembly (43), the push assembly (43) includes a second sprocket (431) and a second chain (432), the second sprocket (431) and the first chain (422) are meshed, the second sprocket (431) and the second chain (432) are meshed, and the second sprocket (431) is used to drive the second chain (432) to rotate along the fixed cylinder (11); The second sprocket (431) is spaced apart and provided with a push plate (443), and the push plate (443) abuts against the guide plate (41).

7. The clean pulp slag water separation equipment for papermaking according to claim 6, characterized in that: Each of the push plates (443) is equipped with a mounting platform (441) and a second spring (442), the mounting platform (441) and the second chain (432) are fixedly connected, the push plate (443) can slide along the mounting platform (441), and the push plate (443) is elastically connected to the mounting platform (441) through the second spring (442).

8. The clean pulp slag water separation equipment for papermaking according to claim 5, characterized in that: A discharge assembly (46) is provided at each discharge port (13), and the discharge assembly (46) includes a linear motor (461) and a cleaning plate (462). The track portion of the linear motor (461) is fixedly connected to the fixed cylinder (11), and the driving portion of the linear motor (461) slides along the track portion. The cleaning plate (462) abuts against the scraper plate (453) and the blade strip, and the cleaning plate (462) and the driving portion are elastically hinged.

9. The clean pulp slag water separation equipment for papermaking according to claim 1, characterized in that: The feed port (12) is equipped with a support cylinder (121), and the inner cavity of the support cylinder (121) is provided with a stirring device (2), and the stirring device (2) includes two first gears (22), the two first gears (22) are rotatably connected to the support cylinder (121), and the two first gears (22) are engaged, and the first gear (22) is equipped with a mounting tube (242), and the mounting tube (242) and the first gear (22) are coaxially connected, and the outer wall of the mounting tube (242) is provided with a plurality of stirring members (25), and the stirring member (25) includes a stirring plate (252), and the stirring plate (252) is installed on the mounting tube (242).

10. The clean pulp slag water separation equipment for papermaking according to claim 9, characterized in that: The mounting tube (242) is provided with a mounting rod (241), the mounting rod (241) is passed through the mounting tube (242) and is rotatably connected to the support tube (121), and the mounting tube (242) elastically slides along the mounting rod (241) via a first spring (244); The stirring device (2) further includes a vibration assembly (26), the vibration assembly (26) including a first bevel gear (261), a second bevel gear (262), a cam (263) and an adjusting rod (264), the first bevel gear (261) and the mounting rod (241) being coaxially fixedly connected, the second bevel gear (262) being rotationally connected to the support tube (121) and meshing with the first bevel gear (261), the second bevel gear (262) and the cam (263) being coaxially fixedly connected, the adjusting rod (264) being rotationally connected to the support tube (121), and the contact portions with telescopic performance at both ends of the adjusting rod (264) being respectively located in the annular grooves of the two mounting tubes (242), and the side wall of the cam (263) being in contact with the side wall of the mounting tube.

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