A high-efficiency mixing preparation device for a papermaking retention aid

CN224371325UActive Publication Date: 2026-06-19ZHEJIANG XINYUAN IND CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG XINYUAN IND CO LTD
Filing Date
2025-05-30
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing paper retention aid mixing devices are prone to uneven mixing and powder clumping when adding large amounts of powder at once, and their stirring capacity is insufficient.

Method used

A highly efficient mixing and preparation device was designed, comprising a rotating frame, a feeding component, a tilting component, and a stirring component. The rotating frame drives the mixing tank to rotate, and the design of the tilting component and the feeding component enables the continuous addition of retention aids, while the stirring component accelerates the mixing process.

Benefits of technology

It improves mixing efficiency, avoids powder clumping, achieves uniform mixing and continuous addition of retention aids, and enhances the effect of the mixing process.

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Abstract

This utility model discloses a high-efficiency mixing and preparation device for papermaking retention aids, aiming to provide a device that improves mixing efficiency while continuously adding retention aids. It includes: a mounting base; a rotating frame mounted on and rotatably connected to the mounting base; a mixing tank mounted on the rotating frame; a feeding assembly mounted at the front end of the mixing tank and rotatably connected to it; and a tilting assembly mounted on the rotating frame and abutting one side of the mixing tank. The advantages of this utility model are: it improves mixing efficiency while continuously adding retention aids, it can drive the rotating frame to rotate, it can continuously add materials, it can tilt the mixing tank, it can seal the mixing tank, and it can stir the inside of the mixing tank.
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Description

Technical Field

[0001] This utility model relates to the technical field of pulp production and processing, and in particular to a highly efficient mixing and preparation device for papermaking retention aids. Background Technology

[0002] Paper retention aids are chemical additives used in the papermaking process, primarily to improve the retention rate of fine fibers and fillers in the pulp, reducing their loss with white water, thereby improving paper quality and reducing production costs. Before use, the powder needs to be mixed with a measured amount of liquid base material to obtain a liquid retention aid for easier later use. Existing powder-opening devices have poor stirring capabilities, making it difficult to stir at the edges, and adding a large amount of powder at once before mixing can cause the powdered retention aid to clump.

[0003] Chinese Patent Publication No. CN207003144U, published on February 24, 2018, discloses a retention aid mixing device, comprising: a retention aid mixing pump, wherein the retention aid mixing pump is provided with an inlet end for connection to a water source, and the retention aid mixing pump is provided with an outlet end for outputting a diluted retention aid solution; and a retention aid supply pump, wherein the input end of the retention aid supply pump is connected to a retention aid container, and the output end of the retention aid supply pump is connected to the inlet end of the retention aid mixing pump. The drawback of this invention is that the device only uses a mixing pump for mixing, and adding a large amount of retention aid at once can easily lead to uneven mixing and powder agglomeration. Utility Model Content

[0004] This invention aims to overcome the shortcomings of existing technologies that require the addition of a large amount of retention aid at one time, which can easily lead to uneven mixing and powder agglomeration. It provides a highly efficient mixing and preparation device for papermaking retention aids that can continuously add retention aids while improving mixing efficiency.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A highly efficient mixing and preparation apparatus for papermaking retention aids, comprising:

[0007] Mounting base;

[0008] A rotating frame, wherein the rotating frame is mounted on a mounting base and is rotatably connected to the mounting base;

[0009] A mixing tank, which is mounted on a rotating frame;

[0010] A feeding assembly is installed at the front end of the mixing tank and is rotatably connected to the mixing tank;

[0011] A tilting assembly, which is mounted on a rotating frame and fits against one side of the mixing tank.

[0012] The mounting base is used to install the entire device, securing the mixing unit. A rotating frame is mounted on the mounting base, rotatably connected to it. A mixing tank is mounted on the rotating frame, allowing for thorough mixing. A feeding component, rotatably connected to the mixing tank, is mounted on the mixing tank. This feeding component is fixed by an external device and does not rotate with the tank, allowing for continuous addition of powder. This rotational method significantly reduces residue at the edges. A tilting component is mounted on the rotating frame, fitting snugly against the mixing tank to change its angle. This allows for better impact and mixing of powder at the edges during stirring, effectively improving mixing efficiency and enabling continuous addition of retention aids.

[0013] Preferably, the rotating frame has a U-shaped cross-section and includes a side plate and a bottom plate. Two bottom plates are provided and are respectively located at opposite ends of the bottom plate. One end of each side plate is connected to the bottom plate, and the other end is rotatably connected to the side of the mixing tank. Rotating blocks are installed on both sides of the bottom plate. A rotating groove is provided on the mounting base. The rotating frame is rotatably connected to the mounting base through the cooperation of the rotating blocks and the rotating groove. An extension rod is installed on the bottom plate. One end of the extension rod passes through the mounting base and is positioned on the other side of the mounting base. A gear is installed at the end of the extension rod that passes through the mounting base. A motor is installed on the mounting base, and a gear is installed on the motor shaft of the motor. The gears mesh. The mounting base has an L-shaped cross-section, and a rotating frame is installed on the side of the mounting base. The rotating frame is rotatably connected to the mounting base through a base plate. The base plate rotates along the rotating groove on the mounting base through the cooperation of a rotating block and a rotating groove. The two sides of the mixing tank are connected to two side plates respectively, so that the rotating frame drives the mixing tank to rotate. An extension rod that penetrates the mounting base is installed on the base plate of the rotating frame. The rotating frame is driven to rotate through the meshing of gear two on motor one and gear one on the extension rod. This design can drive the rotating frame to rotate.

[0014] Preferably, the feeding assembly includes a feed pipe and a rotating block. The front end of the mixing tank is provided with a feed port. The rotating block is placed inside the feed port and rotatably connected to the mixing tank. One end of the feed pipe is equipped with an adjusting ball. The rotating block is provided with a fitting hole. The adjusting ball is rotatably connected to the rotating block through the fitting hole. The end of the feed pipe with the adjusting ball is placed inside the mixing tank and communicates with the mixing tank. The feeding assembly is installed at the front end of the mixing tank and does not interfere with the rotating frame. One end of the feeding assembly's feed pipe passes through the feed port of the mixing tank and connects to the tank. A rotating block is installed at the feed port, and the rotating block is sealed to the feed port to prevent liquid leakage. The rotating block is rotatably connected to the mixing tank and can be fixed when the mixing tank rotates. Then, the feed pipe matches the fitting hole of the rotating block through an adjusting ball, so as to ensure that the feed pipe is not affected when the mixing tank is tilted. The feeding assembly can adapt to the rotation and tilt of the mixing tank. The feed pipe is fixed by an external bracket to ensure that the position of the feed pipe remains unchanged. The position of the feed port is located on the rotation axis of the rotating frame, which makes it easy to fix the position of the feed pipe. This design allows for continuous addition of materials.

[0015] Preferably, the tilting assembly includes a bonding frame and a pneumatic cylinder. The bonding frame includes a rotating rod and a bonding plate. Two rotating rods are provided and respectively installed on two side plates of the rotating frame. The rotating rods are rotatably connected to the side rods of the rotating frame. Two bonding plates are provided and respectively placed at the upper and lower ends of the rotating rods. The two ends of the bonding plates are respectively rotatably connected to the rotating rods on both sides. The bonding plates are bonded to the mixing tank. A push groove is provided on one side of the rotating rod of the bonding frame. The pneumatic cylinder is installed on the side plate of the rotating frame. A push block is installed on the pneumatic end of the pneumatic cylinder. A push rod is installed on the push block. One end of the push rod is connected to the push block, and the other end of the push rod is placed in the push groove. To facilitate the mixing of materials, the mixing tank is tilted and fixed by a tilting assembly. The tilting assembly's bonding frame is bonded to the mixing tank via two bonding plates placed on the upper and lower sides of the rotating frame. The bonding plates are rotatably connected to rotating rods mounted on the side plates. The rotation of the two rotating rods causes the two bonding plates to rotate back and forth, thereby changing the angle of the mixing tank. Due to the rotation of the bonding plates and rotating rods, the bonding plates are bonded to the mixing tank. The rotation of the rotating rods is driven by a pneumatic cylinder. The pneumatic cylinder pushes the push block forward, and the push rod on the push block moves together. The push plate placed in the push groove then pushes the rotating rod to rotate. This design allows the mixing tank to be tilted.

[0016] Preferably, a discharge pipe is installed at the lower end of the mixing tank, and the discharge pipe is connected to the mixing tank. A sealing cover is installed on the discharge pipe, and the sealing cover is detachably connected to the discharge pipe. A top cover is installed at the upper end of the mixing tank, and the top cover is detachably connected to the mixing tank. The discharge pipe at the lower end of the mixing tank is used for discharging material, and the sealing cover on the discharge pipe can seal the mixing tank. After mixing is completed, the sealing cover is opened to release the material. The upper end of the mixing tank is sealed by a top cover, which is fixed to the mixing tank by screws and nuts. The top cover is detachably connected to the screws, allowing the top cover to be opened for processing inside the mixing tank. This design allows for the sealing of the mixing tank.

[0017] Preferably, a stirring assembly is installed on the top cover. This assembly includes a stirring rod and a second motor. A third gear is mounted on the upper end of the stirring rod, and the lower end of the stirring rod passes through the top cover and is placed inside the mixing tank. The stirring rod is rotatably connected to the top cover. A first motor is mounted on the top cover, and a fourth gear is mounted on the motor shaft of the first motor. The third gear meshes with the fourth gear. A stirring blade is mounted on the lower end of the stirring rod, and the stirring blade has a spiral upward shape. The stirring assembly installed on the top cover is used to accelerate the stirring inside the mixing tank. When the first motor operates, the meshing of the third and fourth gears drives the stirring rod to rotate. The stirring rod rotates on the top cover, and inside the mixing tank, it drives the stirring blade to rotate. The rotating blade stirs the material, and the spiral blades can better stir the material. This design effectively stirs the inside of the mixing tank.

[0018] The beneficial effects of this utility model are: it can improve mixing efficiency while continuously adding retention aids, drive the rotating frame to rotate, continuously add materials, tilt the mixing tank, seal the mixing tank, and stir the inside of the mixing tank. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 yes Figure 1 Schematic diagram of the middle mounting base;

[0021] Figure 3 yes Figure 1 Schematic diagram of the rotating frame structure;

[0022] Figure 4 yes Figure 1 A schematic diagram of the tilting component;

[0023] Figure 5 yes Figure 1 Schematic diagram of the structure of the mixing tank;

[0024] Figure 6 yes Figure 1 Schematic diagram of the structure of the feeding assembly;

[0025] Figure 7 yes Figure 1 A schematic diagram of the stirring assembly.

[0026] In the diagram: 1. Mounting base; 11. Rotating groove; 2. Rotating frame; 21. Side plate; 22. Base plate; 23. Rotating block; 24. Extension rod; 25. Gear 1; 26. Motor 1; 27. Gear 2; 3. Mixing tank; 31. Feed inlet; 32. Discharge pipe; 33. Sealing cover; 34. Top cover; 4. Feeding assembly; 41. Feed pipe; 42. Rotating block; 43. Adjusting ball; 44. Fitting hole; 5. Tilting assembly; 51. Adhesive frame; 52. Pneumatic cylinder; 53. Rotating rod; 54. Adhesive plate; 55. Push groove; 56. Push block; 57. Push rod; 6. Stirring assembly; 61. Stirring rod; 62. Stirring blade; 63. Motor 2; 64. Gear 3; 65. Gear 4. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0028] like Figure 1 In this embodiment, a highly efficient mixing and preparation apparatus for papermaking retention aids includes:

[0029] Mounting base 1;

[0030] Rotary frame 2 is mounted on mounting base 1 and rotatably connected to mounting base 1;

[0031] Mixing tank 3 is mounted on rotating frame 2;

[0032] Feeding component 4 is installed at the front end of mixing tank 3 and is rotatably connected to mixing tank 3;

[0033] Inclined assembly 5 is mounted on rotating frame 2 and fits against one side of mixing tank 3.

[0034] like Figure 2 , Figure 3As shown, the rotating frame 2 has a U-shaped cross-section. The rotating frame 2 includes a side plate 21 and a bottom plate 22. There are two bottom plates 22, which are respectively placed at both ends of the bottom plate 22. One end of the side plate 21 is connected to the bottom plate 22, and the other end of the side plate 21 is rotatably connected to the side of the mixing tank 3. Rotating blocks 23 are installed on both sides of the bottom plate 22. The mounting base 1 is provided with a rotating groove 11. The rotating frame 2 is rotatably connected to the mounting base 1 through the cooperation of the rotating blocks 23 and the rotating groove 11. An extension rod 24 is installed on the bottom plate 22. One end of the extension rod 24 passes through the mounting base 1 and is placed on the other side of the mounting base 1. A gear 25 is installed on the end of the extension rod 24 that passes through the mounting base 1. A motor 26 is installed on the mounting base 1. A gear 27 is installed on the motor shaft of the motor 26. The gear 25 meshes with the gear 27.

[0035] like Figure 5 , Figure 6 As shown, the feeding assembly 4 includes a feed pipe 41 and a rotating block 42. The front end of the mixing tank 3 is provided with a feed port 31. The rotating block 42 is placed inside the feed port 31 and is rotatably connected to the mixing tank 3. One end of the feed pipe 41 is equipped with an adjusting ball 43. The rotating block 42 is provided with a fitting hole 44. The adjusting ball 43 is rotatably connected to the rotating block 42 through the cooperation with the fitting hole 44. The end of the feed pipe 41 with the adjusting ball 43 is placed inside the mixing tank 3 and communicates with the mixing tank 3.

[0036] like Figure 4 As shown, the tilting assembly 5 includes a bonding frame 51 and a pneumatic cylinder 52. The bonding frame 51 includes a rotating rod 53 and a bonding plate 54. There are two rotating rods 53, which are respectively installed on the two side plates 21 of the rotating frame 2. The rotating rods 53 are rotatably connected to the side rods of the rotating frame 2. There are two bonding plates 54, which are respectively placed at the upper and lower ends of the rotating rods 53. The two ends of the bonding plates 54 are respectively rotatably connected to the two rotating rods 53 on both sides. The bonding plates 54 are bonded to the mixing tank 3. A push groove 55 is provided on the rotating rod 53 on one side of the bonding frame 51. The pneumatic cylinder 52 is installed on the side plate 21 of the rotating frame 2. A push block 56 is installed on the pneumatic end of the pneumatic cylinder 52. A push rod 57 is installed on the push block 56. One end of the push rod 57 is connected to the push block 56, and the other end of the push rod 57 is placed in the push groove 55.

[0037] A discharge pipe 32 is installed at the lower end of the mixing tank 3, and the discharge pipe 32 is connected to the mixing tank 3. A sealing cover 33 is installed on the discharge pipe 32, and the sealing cover 33 is detachably connected to the discharge pipe 32. A top cover 34 is installed at the upper end of the mixing tank 3, and the top cover 34 is detachably connected to the mixing tank 3.

[0038] like Figure 7As shown, a stirring assembly 6 is installed on the top cover 34. The stirring assembly 6 includes a stirring rod 61 and a motor 63. A gear 64 is installed on the upper end of the stirring rod 61. The lower end of the stirring rod 61 passes through the top cover 34 and is placed inside the mixing tank 3. The stirring rod 61 is rotatably connected to the top cover 34. A motor 26 is installed on the top cover 34. A gear 65 is installed on the motor shaft of the motor 26. The gear 64 meshes with the gear 65. A stirring blade 62 is installed on the lower end of the stirring rod 61. The stirring blade 62 is spirally ascending.

[0039] When mixing materials, the upper end of the mixing tank 3 is sealed by the top cover 34, and the lower end of the mixing tank 3 is sealed by the sealing cover 33. Then, materials are added into the mixing tank 3 through the feed pipe 32. Then, the motor 2 63 on the top cover 34 is activated, which drives the stirring rod 61 to rotate through the meshing of the gear 3 64 and the gear 4 65. The stirring rod 61 stirs and mixes the contents of the mixing tank 3 through the stirring blade 63. The motor 1 26 is activated, which drives the rotating frame 2 to rotate through the meshing of the gear 1 25 and the gear 2 27. The rotating frame 2 drives the mixing tank 3 to rotate, which accelerates the mixing of materials.

[0040] The materials are mixed under the combined action of the rotation of the mixing tank 3 and the stirring component 6. Then, the pneumatic cylinder 52 is activated, pushing the push block 56 to move. The push block 56 drives the rotating rod 53 to rotate through the cooperation of the push rod 57 and the push groove 55. The rotating rod 53 rotates on the side plate 21 and can push the mixing tank 3 to tilt through the bonding plate 54. The tilting of the mixing tank 3 further mixes the materials.

[0041] During the rotation and tilting of the mixing tank 3, materials can be continuously added through the feed pipe 41. Since the rotating block 42 is rotatably connected to the mixing tank 3, and the adjusting ball 43 on the feed pipe 32 is rotatably connected to the rotating block 42, the movement of the mixing tank 3 will not affect the position of the feed pipe 41, ensuring that the position of the feed pipe 41 remains unchanged, thus preventing material overflow.

Claims

1. A high-efficiency mixing preparation device for papermaking retention aids, characterized in that, include: Mounting base (1); Rotating frame (2), the rotating frame (2) is mounted on the mounting base (1) and rotatably connected to the mounting base (1); A mixing tank (3) is mounted on a rotating frame (2); Feeding assembly (4), which is installed at the front end of mixing tank (3) and rotatably connected to mixing tank (3); Inclined assembly (5), which is mounted on the rotating frame (2) and fits against one side of the mixing tank (3).

2. The device for efficient mixing of a papermaking retention aid according to claim 1, characterized in that, The rotating frame (2) has a U-shaped cross-section. The rotating frame (2) includes a side plate (21) and a bottom plate (22). The bottom plate (22) has two plates, which are respectively placed at both ends of the bottom plate (22). One end of the side plate (21) is connected to the bottom plate (22), and the other end of the side plate (21) is rotatably connected to the side of the mixing tank (3). Rotating blocks (23) are installed on both sides of the bottom plate (22). The mounting base (1) is provided with a rotating groove (11). The rotating frame (2) is connected to the bottom plate (3) by rotating blocks (23). 3) The rotating groove (11) is rotatably connected to the mounting base (1). An extension rod (24) is installed on the base plate (22). One end of the extension rod (24) passes through the mounting base (1) and is placed on the other side of the mounting base (1). A gear (25) is installed on one end of the extension rod (24) that passes through the mounting base (1). A motor (26) is installed on the mounting base (1). A gear (27) is installed on the motor shaft of the motor (26). The gear (25) meshes with the gear (27).

3. The device for efficient mixing of papermaking retention aid according to claim 1, characterized in that, The feeding assembly (4) includes a feed pipe (41) and a rotating block (42). The front end of the mixing tank (3) is provided with a feed port (31). The rotating block (42) is placed inside the feed port (31) and is rotatably connected to the mixing tank (3). One end of the feed pipe (41) is equipped with an adjusting ball (43). The rotating block (42) is provided with a fitting hole (44). The adjusting ball (43) is rotatably connected to the rotating block (42) through cooperation with the fitting hole (44). One end of the feed pipe (41) with the adjusting ball (43) is placed inside the mixing tank (3) and communicates with the mixing tank (3).

4. The device for efficient mixing of a papermaking retention aid according to claim 2, characterized in that, The tilting assembly (5) includes a bonding frame (51) and a pneumatic cylinder (52). The bonding frame (51) includes a rotating rod (53) and a bonding plate (54). There are two rotating rods (53) and they are respectively installed on the two side plates (21) of the rotating frame (2). The rotating rods (53) are rotatably connected to the side rods of the rotating frame (2). There are two bonding plates (54) and they are respectively placed at the upper and lower ends of the rotating rods (53). The two ends of the bonding plates (54) are respectively connected to the two rotating rods on both sides. (53) Rotary connection, the bonding plate (54) is bonded to the mixing tank (3), the rotating rod (53) on one side of the bonding frame (51) is provided with a push groove (55), the pneumatic cylinder (52) is installed on the side plate (21) of the rotating frame (2), the pneumatic end of the pneumatic cylinder (52) is equipped with a push block (56), the push block (56) is equipped with a push rod (57), one end of the push rod (57) is connected to the push block (56), and the other end of the push rod (57) is placed in the push groove (55).

5. The device for efficient mixing of papermaking retention aid according to claim 2, characterized in that, The mixing tank (3) is equipped with a discharge pipe (32) at its lower end, which is connected to the mixing tank (3). The discharge pipe (32) is equipped with a sealing cover (33), which is detachably connected to the discharge pipe (32). The mixing tank (3) is equipped with a top cover (34) at its upper end, which is detachably connected to the mixing tank (3).

6. The device for efficient mixing of a papermaking retention aid according to claim 5, characterized in that, A stirring assembly (6) is installed on the top cover (34). The stirring assembly (6) includes a stirring rod (61) and a second motor (63). A third gear (64) is installed on the upper end of the stirring rod (61). The lower end of the stirring rod (61) passes through the top cover (34) and is placed inside the mixing tank (3). The stirring rod (61) is rotatably connected to the top cover (34). A first motor (26) is installed on the top cover (34). A fourth gear (65) is installed on the motor shaft of the first motor (26). The third gear (64) meshes with the fourth gear (65). A stirring blade (62) is installed on the lower end of the stirring rod (61). The stirring blade (62) is spirally ascending.