Pulping pretreatment vibrating screen
By designing a pulp pretreatment vibrating screen including pulp storage components, lifting components and pulp vibration screening components, the problems of fiber agglomeration and screen clogging in special paper production are solved, efficient filtration and convenient cleaning are achieved, and pulp quality is improved.
Patent Information
- Application Number
- CN202421471784.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-06-26
AI Technical Summary
During the production process of special paper, the fibers are prone to agglomeration when stirring, resulting in clogging of the screen, difficulty in cleaning, and degradation of the pulp quality.
A slurry pretreatment vibrating screen is designed, including a slurry storage assembly, a lift assembly and a slurry vibration screen assembly. The equipment is stirred by a stirring rod and agitating leaves, and the filter plate is moved up and down with a vibrating motor to achieve filtration of agglomerations, while facilitating the agglomeration on the surface of the filter plate.
It effectively avoids screen clogging caused by fiber agglomeration, improves filtration effect, simplifies the cleaning process, and improves the quality of the pulp.
Smart Images

Figure CN222781865U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of special paper manufacturing equipment, and in particular relates to a pulp pretreatment vibration screen. Background Art
[0002] Specialty paper is made by using a papermaking machine to make different fibers into paper with special functions. For example, synthetic fibers, synthetic pulp or mixed wood pulp are used alone, and different materials are used for modification or processing to give the paper different functions and uses.
[0003] A Chinese patent with announcement number CN112878081A discloses an integrated pulping and pretreatment equipment for papermaking, which specifically relates to the technical field of paper production and processing, including a pulping chamber and a support leg, the bottom end of the pulping chamber is fixedly connected to the support leg, the bottom end of the pulping chamber is provided with a discharge port, and the bottom end of the pulping chamber on one side of the discharge port is fixedly connected to a first drive motor, and the output end of the first drive motor passes through the interior of the pulping chamber through a drive shaft and is fixedly connected to a stirring shaft.
[0004] The above-mentioned integrated pulping and pretreatment equipment used in papermaking is provided with a fixed sleeve, a mounting rod, a scraper and a brush. After the work is completed, the second drive motor is turned on to drive the stirring shaft to rotate. Since the mounting rod is fixed to the outside of one side of the stirring rod through the fixed sleeve, when the stirring shaft rotates, the stirring shaft will drive the scraper to scrape the inner wall of the pulping chamber, and the brush on the other side will wipe the scraped inner wall, so that the inner wall of the pulping chamber can be cleaned without opening it separately, thereby improving the cleaning efficiency.
[0005] However, when the above equipment is used to produce special paper, the pulp needs to be stirred, but the fibers will clump during stirring, and the screen will be blocked after long-term use, which makes cleaning complicated and reduces the quality of the pulp. Utility Model Content
[0006] The utility model aims to provide a pulp pretreatment vibrating screen to solve the technical problems that special paper fibers will agglomerate during stirring, the screen will be easily blocked after long-term use, the cleaning is complicated, and the pulp quality is low.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A pulping pretreatment vibrating screen comprises a pulping storage assembly, a lifting assembly and a pulping vibration screening assembly, the lifting assemblies are all arranged on both sides of the top of the pulping storage assembly, the pulping vibration screening assembly is arranged in the inner cavity of the pulping storage assembly, the pulping storage assembly comprises a holding tank, stabilizing legs, a discharge valve, a top cover, a first motor and a crosshead, the lifting assembly comprises a fixed seat, a slide groove, a threaded rod, a slider and a second motor, the pulping vibration screening assembly comprises a stirring rod, a cross limit rod, a filter plate, a mounting block, a spring, a vibration motor and a stirring blade, the top cover is arranged on the top of the holding tank, the first motor is fixedly installed at the center of the top of the top cover, the second motor is fixedly installed on the top of the fixed seat, the slide groove is opened inside the fixed seat, the slider slides inside the slide groove, the crosshead is arranged at the bottom of the top cover, the filter plate is arranged in the inner cavity of the holding tank, the cross limit rod slides at the center of the filter plate, the vibration motor is evenly fixedly installed at the bottom of the filter plate, and the stirring blade is evenly fixedly installed at the bottom of the surface of the cross limit rod.
[0009] As a preferred solution of the utility model, a relatively close side of the fixing base is fixedly connected to two sides of the containing tank, and the stabilizing legs are fixedly installed on the surface of the containing tank and the number of the stabilizing legs is three.
[0010] As a preferred solution of the utility model, the top of the discharge valve is communicated with the bottom of the holding tank, and the relatively close side of the slider is fixedly connected to the two sides of the top cover.
[0011] As a preferred solution of the utility model, the threaded rod is rotated inside the slider through threads, and the output shaft of the second motor passes through the inner cavity of the slide groove and is fixedly connected to the top of the threaded rod.
[0012] As a preferred solution of the utility model, the output shaft of the first motor passes through the bottom of the top cover and is fixedly connected to the top of the crosshead, and the stirring rod is evenly fixedly installed on the top of the center of the surface of the cross limit rod.
[0013] As a preferred solution of the utility model, the mounting blocks are fixedly installed in the inner cavity of the containing tank and the number is three, and the spring is fixedly installed on the top of the mounting blocks.
[0014] As a preferred solution of the utility model, the top of the spring is fixedly connected to the bottom of the filter plate, the bottom of the cross limit rod is rotatably connected to the bottom of the inner cavity of the holding tank through a bearing, and the bottom of the crosshead passes through the top of the cross limit rod and extends to the inner cavity of the cross limit rod.
[0015] Compared with the prior art, the utility model provides a pulping pretreatment vibrating screen with the following beneficial effects: the pulping storage component stores pulp, the lifting component adjusts the position of the top cover, the pulping vibration screening component not only stirs the pulp, but also filters the pulp. When in use, the raw material is introduced into the inner cavity of the holding tank through the top cover, and then the first motor is turned on, and the crosshead is driven to rotate by the first motor, so that the cross limit rod drives the stirring rod and the stirring blade to rotate, so as to break and stir the pulp. Under the action of the vibration motor, the filter plate is moved up and down reciprocatingly to filter the lumps, and at the same time, the lumps will not block the surface of the filter plate. The discharge valve is opened to discharge the filtered pulp. When cleaning the surface of the filter plate of the lumps after use, the second motor is turned on, and the second motor drives the threaded rod to rotate, so that the slider drives the top cover to move upward, and the crosshead is separated from the inner cavity of the cross limit rod, which is convenient for cleaning the surface of the filter plate. It has the advantages of good filtering effect and easy cleaning. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only examples of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0017] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;
[0018] Figure 2 The structure of the pulping vibration screening assembly in the embodiment of the utility model is shown in FIG. Figure 1 ;
[0019] Figure 3 The structure of the pulping vibration screening assembly in the embodiment of the utility model is shown in FIG. Figure 2 ;
[0020] Figure 4 This is a schematic diagram of the structure of the lifting assembly in the embodiment of the utility model;
[0021] Figure 5 It is a structural schematic diagram of the crosshead in the embodiment of the utility model.
[0022] Reference numerals:
[0023] 1. pulp storage assembly; 11. holding tank; 12. stabilizing legs; 13. discharge valve; 14. top cover; 15. first motor; 16. crosshead;
[0024] 2. Lifting assembly; 21. Fixed seat; 22. Slide groove; 23. Threaded rod; 24. Sliding block; 25. Second motor;
[0025] 3. Pulping vibration screening assembly; 31. Stirring rod; 32. Cross limit rod; 33. Filter plate; 34. Mounting block; 35. Spring; 36. Vibrating motor; 37. Stirring blade. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the embodiments of the present invention are further described in detail in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0027] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the embodiments of the present invention.
[0028] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.
[0029] See also Figure 1-Figure 5 As shown, a pulping pretreatment vibrating screen according to an embodiment of the utility model comprises a pulping storage component 1, a lifting component 2 and a pulping vibration screening component 3.
[0030] The lifting components 2 are arranged on both sides of the top of the pulping storage component 1 , and the pulping vibration screening component 3 is arranged in the inner cavity of the pulping storage component 1 .
[0031] The pulp storage assembly 1 includes a holding tank 11 , stabilizing legs 12 , a discharge valve 13 , a top cover 14 , a first motor 15 and a crosshead 16 .
[0032] The lifting assembly 2 includes a fixing seat 21 , a sliding groove 22 , a threaded rod 23 , a sliding block 24 and a second motor 25 .
[0033] The pulping vibration screening assembly 3 includes a stirring rod 31 , a cross limiting rod 32 , a filter plate 33 , a mounting block 34 , a spring 35 , a vibration motor 36 and a stirring blade 37 .
[0034] See also Figure 1 , 2As shown, the top cover 14 is arranged on the top of the containing tank 11, the first motor 15 is fixedly installed at the center of the top of the top cover 14, the second motor 25 is fixedly installed on the top of the fixing seat 21, the slide groove 22 is opened inside the fixing seat 21, the slider 24 slides inside the slide groove 22, the crosshead 16 is arranged at the bottom of the top cover 14, the filter plate 33 is arranged in the inner cavity of the containing tank 11, the cross limit rod 32 slides at the center of the filter plate 33, the vibration motor 36 is evenly fixedly installed at the bottom of the filter plate 33, and the stirring blade 37 is evenly fixedly installed at the bottom of the surface of the cross limit rod 32.
[0035] The pulping vibration screening assembly 3 not only stirs the pulp, but also filters the pulp. When in use, the raw material is introduced into the inner cavity of the holding tank 11 through the top cover 14, and then the first motor 15 is turned on. The crosshead 16 is driven to rotate by the first motor 15, so that the cross limit rod 32 drives the stirring rod 31 and the stirring blade 37 to rotate, thereby breaking and stirring the pulp. Then, the vibration motor 36 is turned on. Under the action of the vibration motor 36, the filter plate 33 moves back and forth up and down, thereby filtering the agglomerates. At the same time, the agglomerates will not block the surface of the filter plate 33. Finally, the discharge valve 13 is opened to discharge the filtered pulp. When the surface of the filter plate 33 is cleaned after use, the second motor 25 is turned on. The threaded rod 23 is driven to rotate by the second motor 25, so that the slider 24 drives the top cover 14 to move upward, and at the same time, the crosshead 16 is separated from the inner cavity of the cross limit rod 32, so that it is convenient to clean the surface of the filter plate 33, which has the advantages of good filtering effect and easy cleaning.
[0036] The relatively close side of the fixing seat 21 is fixedly connected to the two sides of the containing tank 11, and the stabilizing legs 12 are fixedly installed on the surface of the containing tank 11 and there are three of them. The stabilizing legs 12 increase the stability of the whole device during operation.
[0037] The top of the discharge valve 13 is connected to the bottom of the holding tank 11, and the relatively close side of the slider 24 is fixedly connected to the two sides of the top cover 14. The discharge valve 13 is convenient for discharging the screened pulp, and the slider 24 limits the top cover 14 to prevent the top cover 14 from shaking during movement.
[0038] See also Figure 4 As shown, the threaded rod 23 rotates inside the slider 24 through a thread, and the output shaft of the second motor 25 passes through the inner cavity of the slide groove 22 and is fixedly connected to the top of the threaded rod 23. The second motor 25 drives the threaded rod 23 and indirectly adjusts the position of the slider 24.
[0039] See also Figure 5As shown, the output shaft of the first motor 15 passes through the bottom of the top cover 14 and is fixedly connected to the top of the crosshead 16. The stirring rod 31 is evenly fixedly installed on the top of the center of the surface of the cross limit rod 32. The first motor 15 drives the crosshead 16 and indirectly rotates the cross limit rod 32, the stirring rod 31 and the stirring blade 37.
[0040] See also Figure 2 , 3 As shown, the mounting blocks 34 are fixedly mounted in the inner cavity of the containing tank 11 and there are three of them. The springs 35 are fixedly mounted on the top of the mounting blocks 34 , and the mounting blocks 34 mount the springs 35 .
[0041] The top of the spring 35 is fixedly connected to the bottom of the filter plate 33, and the bottom of the cross limit rod 32 is rotatably connected to the bottom of the inner cavity of the holding tank 11 through a bearing. The bottom of the cross head 16 penetrates to the top of the cross limit rod 32 and extends to the inner cavity of the cross limit rod 32. The spring 35 resets the filter plate 33, and the cross limit rod 32 limits the filter plate 33 to prevent the filter plate 33 from shaking during movement. The filter plate 33 is set to filter the pulp lumps.
[0042] During use, the raw materials are introduced into the inner cavity of the holding tank 11 through the top cover 14, and then the first motor 15 is turned on, and the crosshead 16 is driven to rotate by the first motor 15, so that the cross limit rod 32 drives the stirring rod 31 and the stirring blade 37 to rotate, thereby breaking and stirring the pulp, and then the vibration motor 36 is turned on. Under the action of the vibration motor 36, the filter plate 33 is reciprocated up and down, so as to filter the agglomerates, and at the same time, the agglomerates will not block the surface of the filter plate 33. Finally, the discharge valve 13 is opened to discharge the filtered pulp. When the surface of the filter plate 33 is cleaned after use, the second motor 25 is turned on, and the threaded rod 23 is driven to rotate by the second motor 25, so that the slider 24 drives the top cover 14 to move upward, and at the same time the crosshead 16 is separated from the inner cavity of the cross limit rod 32, so as to facilitate the cleaning of the surface of the filter plate 33, which has the advantages of good filtering effect and easy cleaning.
[0043] The outer periphery of the vibration motor 36 is provided with a sealed protective housing for protecting the vibration motor 36 and preventing the vibration motor 36 from being disturbed by pulp.
[0044] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.
Claims
1. A pulping pretreatment vibrating screen, characterized in that: The invention comprises a pulping storage component (1), a lifting component (2) and a pulping vibration screening component (3), wherein the lifting components (2) are arranged on both sides of the top of the pulping storage component (1), and the pulping vibration screening component (3) is arranged in the inner cavity of the pulping storage component (1). The pulping storage component (1) comprises a containing tank (11), stabilizing legs (12), a discharge valve (13), a top cover (14), a first motor (15) and a crosshead (16), the lifting component (2) comprises a fixing seat (21), a slide groove (22), a threaded rod (23), a slider (24) and a second motor (25), and the pulping vibration screening component (3) comprises a stirring rod (31), a cross limit rod (32), a filter plate (33), a mounting block (34), a spring (35), a vibration motor (16), and a plurality of other components. The invention relates to a filter housing (11) comprising a vibration motor (36) and a stirring blade (37), wherein the top cover (14) is arranged on the top of the containing tank (11), the first motor (15) is fixedly mounted at the center of the top of the top cover (14), the second motor (25) is fixedly mounted on the top of the fixing seat (21), the slide groove (22) is opened inside the fixing seat (21), the slider (24) slides inside the slide groove (22), the cross head (16) is arranged at the bottom of the top cover (14), the filter plate (33) is arranged in the inner cavity of the containing tank (11), the cross limit rod (32) slides at the center of the filter plate (33), the vibration motor (36) is evenly fixedly mounted on the bottom of the filter plate (33), and the stirring blade (37) is evenly fixedly mounted on the bottom of the surface of the cross limit rod (32).
2. The pulping pretreatment vibrating screen according to claim 1, characterized in that: The relatively close side of the fixing seat (21) is fixedly connected to the two sides of the containing tank (11), and the stabilizing legs (12) are fixedly mounted on the surface of the containing tank (11) and are three in number.
3. A pulping pretreatment vibrating screen according to claim 2, characterized in that: The top of the discharge valve (13) is in communication with the bottom of the containing tank (11), and the relatively close side of the slider (24) is fixedly connected to the two sides of the top cover (14).
4. A pulping pretreatment vibrating screen according to claim 3, characterized in that: The threaded rod (23) is threadably rotated inside the slider (24), and the output shaft of the second motor (25) penetrates the inner cavity of the slide groove (22) and is fixedly connected to the top of the threaded rod (23).
5. A pulping pretreatment vibrating screen according to claim 4, characterized in that: The output shaft of the first motor (15) passes through the bottom of the top cover (14) and is fixedly connected to the top of the crosshead (16); the stirring rod (31) is evenly fixedly mounted on the top of the center of the surface of the cross limit rod (32).
6. A pulping pretreatment vibrating screen according to claim 5, characterized in that: The mounting blocks (34) are fixedly mounted in the inner cavity of the containing tank (11) and are three in number. The springs (35) are fixedly mounted on the top of the mounting blocks (34).
7. A pulping pretreatment vibrating screen according to claim 6, characterized in that: The top of the spring (35) is fixedly connected to the bottom of the filter plate (33), the bottom of the cross limit rod (32) is rotatably connected to the bottom of the inner cavity of the containing tank (11) via a bearing, and the bottom of the cross head (16) passes through the top of the cross limit rod (32) and extends to the inner cavity of the cross limit rod (32).
Citation Information
Patent Citations
Pulping and pretreatment integrated equipment for papermaking
CN112878081A