Grinding disc and pulping machine

Abstract

The utility model belongs to the technical field of grinding discs and pulping machines, and particularly relates to a grinding disc and a pulping machine. The first motor is fixedly arranged on the slurry storage outer wall; the output of the transportation assembly is connected to the first motor; and the discharge valve is arranged on the slurry storage outer wall. Paper pulp is placed in the pulp storage box, the first motor drives the conveying assembly to feed the paper pulp into the pulp grinding set, and the paper pulp is ground. The pulp grinding assembly is arranged in the pulp storage box so that the pulp can be ground repeatedly, the structure is simple, and control can be conducted according to the needed pulp viscosity. And the ground paper pulp is discharged through the discharge valve.

Description

Technical Field

[0001] This utility model belongs to the field of papermaking pulping technology, and particularly relates to a pulping disc and a pulping machine. Background Technology

[0002] Currently, pulpers used in the paper industry mainly fall into two categories: disc refiners and surface refiners. These traditional refiners mechanically break down pulp and separate fibers using high-speed rotating discs, thereby improving pulp quality. However, with the increasing market demand for high-quality paper, the low efficiency, high energy consumption, and high maintenance costs of traditional refiners have become increasingly prominent. To address these technical issues, the industry has implemented some improvement measures. For example, some manufacturers have optimized disc designs to improve refining efficiency, but this method often only provides limited performance improvements. Other manufacturers have attempted to introduce new drive devices, such as hydraulic drives instead of traditional electric motor drives, which improves energy efficiency but also increases structural complexity. Furthermore, some companies have reduced refining difficulty by adding pretreatment processes (such as chemical softening), but this increases the overall production process cost. Despite these various measures, existing refiners still face numerous challenges. Firstly, the low pulping efficiency limits production capacity; secondly, the high energy consumption contradicts the trend of modern green production; thirdly, rapid equipment wear and tear and frequent maintenance not only consume significant time but also increase the operational burden on enterprises; finally, existing technologies struggle to achieve flexible adaptability to different types of raw materials, restricting their application scope. The complex structure also makes it impossible to observe pulp viscosity. Utility Model Content

[0003] The purpose of this invention is to address the aforementioned technical problems by providing a grinding disc and a grinding machine that achieves repeated grinding.

[0004] In view of this, the present invention provides a grinding disc and a grinding machine comprising: a slurry storage tank, wherein a grinding assembly is disposed inside the slurry storage tank; a first motor, wherein the first motor is fixedly disposed on the outer wall of the slurry storage tank; a transport assembly, wherein the output of the transport assembly is connected to the first motor; and a discharge valve, wherein the discharge valve is disposed on the outer wall of the slurry storage tank.

[0005] In this technical solution, the pulp is placed in a pulp storage tank. A first motor drives a conveying assembly to feed the pulp into a refining unit for refining. The refining unit is located in the pulp storage tank, allowing for repeated refining of the pulp. This design is not only simple in structure but also allows for control of the pulp viscosity according to the desired level. The refined pulp is discharged through a discharge valve.

[0006] In the above technical solution, the pulping assembly further includes a pulping cylinder, with mounting plates fixedly disposed at both ends of the pulping cylinder, the mounting plates being fixedly disposed inside the pulp storage tank, and a grinding disc unit being rotatably disposed inside the pulping cylinder.

[0007] In this technical solution, the mounting plate not only fixes the pulping unit, but also prevents the pulp in the storage tank from flowing to the outer wall of the pulping cylinder, thus avoiding pulp leakage during the pulping process.

[0008] In the above technical solution, the grinding disc unit further includes a first grinding disc, which is rotatably disposed in a first cavity. The first grinding disc is coaxially connected to a first transport roller, and the surface of the first transport roller is spirally provided with a first transport blade. The other end of the first transport roller is connected to a second grinding disc, which is rotatably disposed in a second cavity.

[0009] In this technical solution, when the pulp enters the first cavity, the first grinding disc and the inner wall of the first cavity perform the first grinding. The first conveying roller drives the first conveying blade to send the ground pulp into the second cavity, where the second grinding disc and the inner wall of the second cavity perform the second grinding. This not only reduces the pressure of a single grinding, but also makes the grinding effect better through repeated grinding.

[0010] In the above technical solution, the transport component further includes a second transport roller and a third transport roller. The second transport roller is disposed inside the slurry storage tank. One end of the second transport roller extends through the outer wall of the slurry storage tank and is coaxially connected to the output end of the first motor. The other end is coaxially connected to the first grinding disc. The surface of the second transport roller is spirally provided with second transport blades. One end of the third transport roller is coaxially connected to the second grinding disc. The other end is rotatably disposed on the inner wall of the slurry storage tank. The surface of the third transport roller is spirally provided with third transport blades.

[0011] In this technical solution, the second transport roller drives the second transport blade to rotate, transporting the pulp in the storage tank to the refining cylinder. The third transport roller drives the third transport blade to rotate, transporting the pulp in the refining cylinder to the storage tank. The pulp in the storage tank and the refining cylinder are repeatedly exchanged, allowing the pulp to undergo refining treatment until it reaches the required standard. This design is not only simple in structure but also easy to observe.

[0012] In the above technical solution, the transport component further includes a fourth transport roller, which is disposed in the slurry storage tank away from the grinding disc unit. One end of the fourth transport roller extends through the side wall of the slurry storage tank and is coaxially connected to the output end of the second motor. The second motor is fixedly disposed on the outer wall of the slurry storage tank. The surface of the fourth transport roller is spirally provided with a fourth transport blade.

[0013] In this technical solution, the second motor drives the fourth transport blade to rotate through the fourth transport roller. Under the action of the fourth transport blade, the pulp in the pulp storage tank is made to flow, which not only cooperates with the pulping unit to pulp the pulp unit, but also allows the current status of the pulp to be observed.

[0014] In the above technical solution, the first grinding disc and the second grinding disc are cylindrical, and a first groove is provided on the circumference of the cylindrical surface of the grinding disc, and a second groove is provided linearly along the length direction of the first grinding disc and the second grinding disc.

[0015] In this technical solution, the first groove is provided on the surface of the grinding disc, allowing the pulp to enter the grinding cylinder. The surface of the grinding disc and the inner wall of the grinding cylinder grind the pulp. The second groove provides a temporary storage space when the pulp is continuously transported into the grinding cylinder, allowing the pulp to stay in the grinding cylinder for a sufficient time, thus improving the grinding effect.

[0016] Furthermore, the above technical solution also includes shredding teeth, which are disposed on the first transport blade.

[0017] In this technical solution, if the dry shredder is fixedly disposed on the surface of the first conveying blade, the shredder will disperse the pulp fibers when the pulp from the first grinding plate enters the pulp of the second grinding plate.

[0018] The beneficial effects of this utility model are:

[0019] 1. By setting up the mounting plate, the pulping unit will not only be fixed, but also the pulp in the storage tank will not flow to the outer wall of the pulping cylinder, thus avoiding pulp leakage during the pulping process.

[0020] 2. By setting up transport components, the pulp is subjected to pulping treatment until it meets the requirements. This not only has a simple structure but also makes it easy to observe.

[0021] 3. By setting up shredding teeth, when the pulp from the first grinding plate enters the pulp of the second grinding plate, the shredding teeth disperse the pulp fibers. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a cross-sectional view of the pulping assembly;

[0024] Figure 3 This is a schematic diagram of the grinding disc connection assembly structure;

[0025] Figure 4 yes Figure 3 Enlarged view of point A in the middle.

[0026] The markings in the diagram are as follows:

[0027] 1. Slurry storage tank; 2. Refining assembly; 3. Transport assembly; 4. Fourth transport roller; 5. First motor; 6. Second motor; 7. Discharge valve; 8. Refining cylinder; 9. Mounting plate; 10. First transport roller; 11. First grinding disc; 12. Second grinding disc; 13. Second transport roller; 14. Third transport roller; 15. First transport blade; 16. Second transport blade; 17. Third transport blade; 18. First cavity; 19. Second cavity; 20. Grinding teeth; 21. Fourth transport blade; 22. First groove; 23. Second groove. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0029] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0030] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0031] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0032] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0033] Example 1:

[0034] This embodiment provides a grinding disc and a grinding mill, such as... Figure 1 As shown, the assembly includes: a pulp storage tank 1, within which a refining assembly 2 is installed; a first motor 5, fixedly mounted on the outer wall of the pulp storage tank; a transport assembly 3, whose output is connected to the first motor 5; and a discharge valve 7, also mounted on the outer wall of the pulp storage tank. The pulp is placed in the pulp storage tank 1, and the first motor 5 drives the transport assembly 3 to feed the pulp into the refining assembly for refining. The refining assembly 2, located in the pulp storage tank 1, allows for repeated refining of the pulp, resulting in a simple structure and the ability to control the pulp viscosity according to desired levels. The refined pulp is discharged through the discharge valve 7.

[0035] like Figure 2As shown, the pulping assembly 2 includes a pulping cylinder 8, with mounting plates 9 fixedly installed at both ends of the pulping cylinder 8. The mounting plates 9 are fixedly installed inside the pulp storage tank 1, and a grinding disc unit is rotatably installed inside the pulping cylinder 8. The mounting plates 9 not only fix the pulping assembly but also prevent the pulp in the pulp storage tank 1 from flowing to the outer wall of the pulping cylinder 8, thus avoiding pulp leakage during the pulping process.

[0036] like Figure 2 As shown, the grinding disc unit includes a first grinding disc, which is rotatably disposed within a first cavity 18. A first transport roller 10 is coaxially connected to the first grinding disc, and first transport blades 15 are spirally arranged on the surface of the first transport roller 10. The other end of the first transport roller 10 is connected to a second grinding disc, which is rotatably disposed within a second cavity 19. When pulp enters the first cavity 18, the first grinding disc and the inner wall of the first cavity 18 perform the first grinding. The first transport roller 10 drives the first transport blades 15 to send the ground pulp into the second cavity 19, where the second grinding disc and the inner wall of the second cavity 19 perform a second grinding. This not only reduces the pressure of a single grinding cycle but also improves the grinding effect through repeated grinding.

[0037] like Figure 2 As shown, the transport assembly 3 includes a second transport roller 13 and a third transport roller 14. The second transport roller 13 is located inside the pulp storage tank 1. One end of the second transport roller 13 extends through the outer wall of the pulp storage tank 1 and is coaxially connected to the output end of the first motor 5. The other end is coaxially connected to the first grinding disc. A second transport blade 16 is spirally arranged on the surface of the second transport roller 13. One end of the third transport roller 14 is coaxially connected to the second grinding disc, and the other end is rotatably mounted on the inner wall of the pulp storage tank 1. A third transport blade 17 is spirally arranged on the surface of the third transport roller 14. The second transport roller 13 drives the second transport blade 16 to rotate, transporting the pulp in the pulp storage tank 1 to the refining cylinder 8. The third transport roller 14 drives the third transport blade 17 to rotate, transporting the pulp in the refining cylinder 8 to the pulp storage tank 1. The pulp in the pulp storage tank 1 and the refining cylinder are repeatedly exchanged, allowing the pulp to undergo refining treatment until it reaches the required quality. This design is not only simple in structure but also easy to observe.

[0038] like Figure 1 As shown, the transport assembly 3 includes a fourth transport roller 4, which is disposed inside the pulp storage tank 1 away from the grinding unit. One end of the fourth transport roller 4 extends through the side wall of the pulp storage tank 1 and is coaxially connected to the output end of the second motor 6. The second motor 6 is fixedly disposed on the outer wall of the pulp storage tank 1. The surface of the fourth transport roller 4 is spirally provided with fourth transport blades 21. The second motor 6 drives the fourth transport blades 21 to rotate through the fourth transport roller 4. Under the action of the fourth transport blades 21, the pulp in the pulp storage tank 1 is made to flow, which not only cooperates with the grinding unit to grind the pulp, but also allows the current state of the pulp to be observed.

[0039] like Figure 3 As shown, the first grinding disc 11 and the second grinding disc 12 are cylindrical. A first groove 22 is provided on the circumference of the cylindrical surface of the grinding disc, and a second groove 23 is linearly provided along the length of the first grinding disc 11 and the second grinding disc 12. The first groove 22 is provided on the surface of the grinding disc, allowing the pulp to enter the pulping cylinder 8. The surface of the grinding disc and the inner wall of the pulping cylinder 8 grind the pulp. The second groove 23 provides a temporary storage space when the pulp is continuously transported into the pulping cylinder, allowing the pulp to stay in the pulping cylinder 8 for a sufficient time, thus improving the grinding effect.

[0040] like Figure 4 As shown, it also includes shredding teeth 20, which are disposed on the first transport blade 15. When the shredding teeth 20 are fixedly disposed on the surface of the first transport blade 15, the shredding teeth 20 disperse the pulp fibers when the pulp from the first grinding plate 11 enters the pulp of the second grinding plate 12.

[0041] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A grinding disc and a grinding mill, characterized in that... ,include: A slurry storage tank (1) is provided with a grinding assembly (2); The first motor (5) is fixedly installed on the outer wall of the slurry storage; The transport component (3) has its output connected to the first motor (5); Discharge valve (7) is provided on the outer wall of the slurry storage.

2. The grinding disc and grinding mill according to claim 1, characterized in that, The grinding assembly (2) includes a grinding cylinder (8), with mounting plates (9) fixedly installed at both ends of the grinding cylinder (8). The mounting plates (9) are fixedly installed inside the slurry storage tank (1), and a grinding disc unit is rotatably installed inside the grinding cylinder (8).

3. The grinding disc and grinding mill according to claim 2, characterized in that, The grinding disc unit includes a first grinding disc, which is rotatably disposed in a first cavity (18). The first grinding disc is coaxially connected to a first transport roller (10). The surface of the first transport roller (10) is spirally provided with a first transport blade (15). The other end of the first transport roller (10) is connected to a second grinding disc, which is rotatably disposed in a second cavity (19).

4. The grinding disc and grinding mill according to claim 3, characterized in that, The transport assembly (3) includes a second transport roller (13) and a third transport roller (14). The second transport roller is located inside the slurry tank (1). One end of the second transport roller (13) extends out of the outer wall of the slurry tank (1) and is coaxially connected to the output end of the first motor (5). The other end is coaxially connected to the first grinding disc. The surface of the second transport roller (13) is spirally provided with a second transport blade (16). One end of the third transport roller (14) is coaxially connected to the second grinding disc. The other end is rotatably located on the inner wall of the slurry tank (1). The surface of the third transport roller (14) is spirally provided with a third transport blade (17).

5. A grinding disc and a grinding mill according to claim 4, characterized in that, The transport assembly (3) includes a fourth transport roller (4), which is located away from the grinding disc unit and inside the slurry tank (1). One end of the fourth transport roller (4) extends through the side wall of the slurry tank (1) and is coaxially connected to the output end of the second motor (6). The second motor (6) is fixedly installed on the outer wall of the slurry tank (1). The surface of the fourth transport roller (4) is spirally provided with a fourth transport blade (21).

6. A grinding disc and a grinding mill according to claim 5, characterized in that, The first grinding disc (11) and the second grinding disc (12) are cylindrical. The first grinding disc (11) and the second grinding disc (12) are provided with a first groove (22) on the circumference of the cylindrical surface. The first grinding disc (11) and the second grinding disc (12) are provided with a second groove (23) linearly along the length direction.

7. A grinding disc and a grinding mill according to claim 6, characterized in that, It also includes shredding teeth (20), which are disposed on the first transport blade (15).

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