Squeezing dehydration device convenient for tension degree adjustment

Abstract

The utility model discloses a squeezing and dewatering device convenient for tension degree adjustment, which relates to the technical field of papermaking equipment and comprises a first squeezing filter cloth conveying mechanism, a second squeezing filter cloth conveying mechanism, a squeezing roller mechanism, a support roller and a compression roller component. According to the utility model, the first squeezing filter cloth and the second squeezing filter cloth are matched up and down to convey paper pulp, and the paper pulp is pre-wrapped by the first squeezing filter cloth and the second squeezing filter cloth, so that the spreading and spreading range of the paper pulp after being squeezed can be effectively reduced; furthermore, the paper pulp is effectively prevented from falling from the edges of the first squeezing filter cloth and the second squeezing filter cloth in the squeezing dehydration process; the multiple sets of press roll mechanisms and the supporting rolls press and dewater the paper pulp, the paper pulp entering the multiple sets of press roll mechanisms is always located between the first press filter cloth and the second press filter cloth, at the moment, the paper pulp is always in a press state, and the press and dehydration treatment effect on the paper pulp can be effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of papermaking equipment technology, specifically to a pressing and dewatering device that facilitates the adjustment of tension. Background Technology

[0002] The papermaking process generally includes: 1. Waste paper mixing and pulping (shredder, pulper), 2. Single-effect fiber separator (coarse screen, to remove large impurities during the pulping process), 3. Sand remover (fine screen) for impurities such as plastics, 4. Entering the pulp tower (fully agitated by a mixer), 5. Plastic impurities are screened out and can be recycled and resold, 6. After pulping, the paper is formed on the wire mesh, 7. Dewatering by steam pump, 8. Press dewatering (dryness of 22%), 9. Press roll dewatering (dryness of 55%), 10. Drying (steam drying), 11. Sizing and adding ingredients (starch, moisture-resistant agent, reinforcing agent, deodorizing agent), 12. Winding and baling machine, 13. Closed-loop drying (energy saving and consumption reduction); among them, press roll dewatering generally uses two or more press rolls to mechanically squeeze and reduce the moisture content of the wet paper.

[0003] Patent (CN220079557U) discloses a pulp filtration and dewatering device, belonging to the field of pulp dewatering devices. It includes a frame with a conveyor belt inside. Two symmetrically distributed mounting plates are fixedly installed at the top of the frame, and two sets of symmetrically distributed first and second rotating rods are rotatably mounted between the two mounting plates. The first and second rotating rods in the same set are located on opposite sides of the conveyor belt. Squeeze rollers are fixedly sleeved on the sidewalls of both the first and second rotating rods. The same end of each first and second rotating rod passes through the mounting plate on the same side. A support frame is fixedly installed at the top of the frame. This application, through the cooperation of the drive assembly and the squeeze rollers, squeezes the pulp to achieve dewatering. The dewatered material is then conveyed away by the conveyor belt, thus unloading the material and improving the processing efficiency of the equipment.

[0004] The pulp filtration and dewatering device in the aforementioned patent only uses two pairs of squeeze rollers to squeeze the pulp on top of the conveyor belt. The pulp is only squeezed and dewatered when it passes through the squeeze rollers, resulting in poor dewatering effect. At the same time, when the pulp is squeezed, it is directly spread on the surface of the conveyor belt, and the pulp is very easy to fall off the edge of the conveyor belt during the squeezing process, which seriously affects the normal operation of the equipment. Summary of the Invention

[0005] The purpose of this invention is to provide a pressing and dehydration device that facilitates the adjustment of the tension, so as to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a pressing and dewatering device with easy tension adjustment, comprising a first pressing filter cloth conveying mechanism, a second pressing filter cloth conveying mechanism, and a plurality of pressing roller mechanisms. The first pressing filter cloth conveying mechanism is located below the second pressing filter cloth conveying mechanism. The pressing roller mechanisms are movably located between the first pressing filter cloth conveying mechanism and the second pressing filter cloth conveying mechanism. The pressing roller mechanism includes a support roller rotatably connected and a pressing roller assembly movably connected. The support roller is located below the pressing roller assembly. The first pressing filter cloth in the first pressing filter cloth conveying mechanism and the second pressing filter cloth in the second pressing filter cloth conveying mechanism both pass through the space between the support roller and the pressing roller assembly.

[0007] Furthermore, the pressure roller assembly includes a support frame, a main pressure roller, a lifting and adjusting component, and two auxiliary pressure rollers. The main pressure roller and the two auxiliary pressure rollers are rotatably mounted inside the support frame, and the two auxiliary pressure rollers are respectively mounted on both sides of the main pressure roller. The main pressure roller and the two auxiliary pressure rollers are arranged in a triangular pattern. The support frame is fixedly connected to the output end of the lifting and adjusting component.

[0008] Furthermore, the support frame is symmetrically provided with adjusting cylinders at both ends of the auxiliary pressure roller, and the output end of the adjusting cylinder is provided with a mounting frame, and the auxiliary pressure roller is rotatably connected to the mounting frame.

[0009] Furthermore, the lifting adjustment component is a lifting cylinder, and the output end of the lifting cylinder is fixedly connected to the outer wall of the support frame.

[0010] Furthermore, the first pressing filter cloth conveying mechanism includes a drive motor and a first active roller and a first driven roller rotatably connected thereto. The first pressing filter cloth is sleeved on the outer wall of the first active roller and the first driven roller. The output shaft of the drive motor is connected to the first active roller through a reducer. The support roller is disposed between the first active roller and the first driven roller.

[0011] Furthermore, the first pressing filter cloth conveying mechanism is provided with several sets of auxiliary rollers rotatably connected between the first driving roller and the first driven roller, and the support roller and each set of auxiliary rollers are arranged alternately.

[0012] Furthermore, the second press filter cloth conveying mechanism includes a second active roller, a second driven roller, and a third driven roller that are rotatably connected. The second press filter cloth is sleeved on the outer wall of the second active roller, the second driven roller, and the third driven roller. The second active roller, the second driven roller, and the third driven roller are arranged in a triangular pattern. The second active roller is located above the first active roller, and the second driven roller is located between the second active roller and the third driven roller.

[0013] Furthermore, one end of the first pressing filter cloth conveying mechanism is provided with a first linear adjustment mechanism outside the first driven roller, and the first driven roller is rotatably connected to the first linear adjustment mechanism. One end of the second pressing filter cloth conveying mechanism is provided with a second linear adjustment mechanism outside the third driven roller, and the third driven roller is rotatably connected to the second linear adjustment mechanism.

[0014] Compared with the prior art, the beneficial effects achieved by this utility model are:

[0015] 1. This utility model, by setting up a first pressing filter cloth conveying mechanism, a second pressing filter cloth conveying mechanism, a pressing roller mechanism, a support roller, and a pressing roller assembly, provides support at the bottom of the pulp and covers and supports the top of the pulp with the first pressing filter cloth. The first and second pressing filter cloths work together to convey the pulp. Before the pressing roller mechanism and the support roller work together to press the pulp, the first and second pressing filter cloths have pre-wrapped the pulp, which can effectively reduce the spreading range of the pulp after being squeezed, and thus effectively prevent the pulp from falling off the edges of the first and second pressing filter cloths during the pressing and dewatering process. Multiple sets of pressing roller mechanisms and support rollers press and dewater the pulp between the first and second pressing filter cloths. The pulp entering between the multiple sets of pressing roller mechanisms is always between the first and second pressing filter cloths, and the pulp is always in a pressing state, which can effectively improve the pressing and dewatering effect of the pulp.

[0016] 2. In this utility model, the support frame in the pressure roller assembly supports the main pressure roller and the auxiliary pressure roller, and the lifting and adjusting assembly adjusts the support frame to raise and lower, thereby adjusting the distance between the main pressure roller and the two auxiliary pressure rollers and the support roller, thus adjusting the pressure of the pulp between the first and second pressing filter cloths, achieving tension adjustment for pressing and dewatering, and ensuring the pressing effect on the pulp; the main pressure roller and the auxiliary pressure roller respectively press and dewater the pulp between the first and second pressing filter cloths on the upper part and the two sides of the outer wall of the support roller, so that when the pulp passes between the pressure roller assembly and the support roller, the pulp moves in an arc along the outer wall of the support roller with the first and second pressing filter cloths, resulting in a better pressing and dewatering effect on the pulp. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2This is a schematic diagram of the structure of the first pressing filter cloth conveying mechanism and the pressing roller mechanism of this utility model;

[0020] Figure 3 This is a schematic diagram of the press roller mechanism of this utility model;

[0021] Figure 4 This is a structural schematic diagram of the press roller mechanism of this utility model from another angle;

[0022] In the figure: 1. First pressing filter cloth conveying mechanism; 101. First driving roller; 102. First driven roller; 103. Drive motor; 104. Auxiliary roller; 105. First linear adjustment mechanism; 2. Second pressing filter cloth conveying mechanism; 201. Second driving roller; 202. Second driven roller; 203. Third driven roller; 204. Second linear adjustment mechanism; 3. Pressing roller mechanism; 4. Support roller; 5. Pressing roller assembly; 501. Support frame; 502. Main pressing roller; 503. Auxiliary pressing roller; 504. Lifting adjustment assembly; 505. Adjusting cylinder; 506. Mounting frame; 6. First pressing filter cloth; 7. Second pressing filter cloth. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-4This utility model provides a technical solution: a pressing and dewatering device with adjustable tension, comprising a first pressing filter cloth conveying mechanism 1, a second pressing filter cloth conveying mechanism 2, and a plurality of pressing roller mechanisms 3. The first pressing filter cloth conveying mechanism 1 is located below the second pressing filter cloth conveying mechanism 2. The pressing roller mechanisms 3 are movably located between the first pressing filter cloth conveying mechanism 1 and the second pressing filter cloth conveying mechanism 2. The pressing roller mechanism 3 includes a support roller 4 rotatably connected and a pressing roller assembly 5 movably connected. The support roller 4 is located below the pressing roller assembly 5. The first pressing filter cloth 6 in the first pressing filter cloth conveying mechanism 1 and the second pressing filter cloth 7 in the second pressing filter cloth conveying mechanism 2 both pass through the support roller. 4. Between the pressure roller assembly 5 and the pressure roller assembly 5; the pressure roller assembly 5 includes a support frame 501, a main pressure roller 502, a lifting adjustment assembly 504 and two auxiliary pressure rollers 503. The main pressure roller 502 and the two auxiliary pressure rollers 503 are rotatably disposed inside the support frame 501. The two auxiliary pressure rollers 503 are respectively disposed on both sides of the main pressure roller 502. The main pressure roller 502 and the two auxiliary pressure rollers 503 are arranged in a triangular distribution. The support frame 501 is fixedly connected to the output end of the lifting adjustment assembly 504. The support frame 501 is symmetrically provided with adjusting cylinders 505 at both ends of the auxiliary pressure rollers 503. The output end of the adjusting cylinder 505 is provided with a mounting frame 506. The auxiliary pressure rollers 503 are rotatably connected to the mounting frame 506.

[0025] In one embodiment, the lifting adjustment component 504 is a lifting cylinder. The output end of the lifting cylinder is fixedly connected to the outer wall of the support frame 501. The lifting cylinder adjusts the support frame 501 to lift and lower, thereby simultaneously adjusting the main pressure roller 502 and the two auxiliary pressure rollers 503. This allows for adjustment of the distance between the main pressure roller 502, the two auxiliary pressure rollers 503, and the support roller 4, thereby adjusting the pressure of the pulp between the first press filter cloth 6 and the second press filter cloth 7. This achieves tension adjustment for pressing and dewatering, ensuring the pressing effect on the pulp.

[0026] In one embodiment, the first pressing filter cloth conveying mechanism 1 includes a drive motor 103 and a first active roller 101 and a first driven roller 102 rotatably connected. The first pressing filter cloth 6 is sleeved on the outer wall of the first active roller 101 and the first driven roller 102. The output shaft of the drive motor 103 is connected to the first active roller 101 through a reducer. The support roller 4 is disposed between the first active roller 101 and the first driven roller 102. The drive motor 103 drives the first active roller 101 to rotate through the reducer. The first active roller 101 and the first driven roller 102 cooperate to realize the rotational movement of the first pressing filter cloth 6, so that the first pressing filter cloth 6 rotates along the first active roller 101 and the first driven roller 102.

[0027] In one embodiment, the first press filter cloth conveying mechanism 1 is provided with a plurality of auxiliary rollers 104 rotatably connected between the first active roller 101 and the first driven roller 102. The support roller 4 and each set of auxiliary rollers 104 are staggered. The auxiliary rollers 104 support the first press filter cloth 6 and the second press filter cloth 7 between the first active roller 101 and the first driven roller 102, so as to ensure the stability of the pulp conveying between the first press filter cloth 6 and the second press filter cloth 7 after pressing.

[0028] In one embodiment, the second press filter cloth conveying mechanism 2 includes a second driving roller 201, a second driven roller 202, and a third driven roller 203 rotatably connected. The second press filter cloth 7 is sleeved on the outer wall of the second driving roller 201, the second driven roller 202, and the third driven roller 203. The second driving roller 201, the second driven roller 202, and the third driven roller 203 cooperate to rotate and support the second press filter cloth 7. The second press filter cloth 7 can rotate along the second driving roller 201, the second driven roller 202, and the third driven roller 203. The second driving roller 201... The second driven roller 202 and the third driven roller 203 are arranged in a triangle to ensure that the second press filter cloth 7 will not collide and wear with the press roller mechanism 3 when it rotates upward. The second driving roller 201 is located above the first driving roller 101, and the second driven roller 202 is located between the second driving roller 201 and the third driven roller 203. The second driving roller 201 and the first driving roller 101 cooperate to discharge the dewatered pulp between the first press filter cloth 6 and the second press filter cloth 7. The drive of the second driving roller 201 can be configured separately or can be used in conjunction with the drive motor 103 through a transmission assembly.

[0029] In one embodiment, the first pressing filter cloth conveying mechanism 1 has a first linear adjustment mechanism 105 located at one end outside the first driven roller 102, and the first driven roller 102 is rotatably connected to the first linear adjustment mechanism 105. The second pressing filter cloth conveying mechanism 2 has a second linear adjustment mechanism 204 located at one end outside the third driven roller 203, and the third driven roller 203 is rotatably connected to the second linear adjustment mechanism 204. The first linear adjustment mechanism 105 can adjust the position of the first driven roller 102, thereby adjusting the distance between the first driving roller 101 and the first driven roller 102, thus adjusting the tension of the first pressing filter cloth 6. The second linear adjustment mechanism 204 can adjust the position of the third driven roller 203, thereby adjusting the distance between the third driven roller 203 and the second driving roller 201, thus adjusting the tension of the second pressing filter cloth 7.

[0030] The working principle of this utility model:

[0031] Refer to the instruction manual appendix Figures 1-4This utility model comprises a first press filter cloth conveying mechanism 1, a second press filter cloth conveying mechanism 2, a press roller mechanism 3, a support roller 4, and a press roller assembly 5. The first press filter cloth conveying mechanism 1 rotates and conveys the first press filter cloth 6, and the second press filter cloth conveying mechanism 2 rotates and conveys the second press filter cloth 7. The first press filter cloth 6 supports the bottom of the pulp, and the second press filter cloth 7 covers and supports the top of the pulp. The first press filter cloth 6 and the second press filter cloth 7 work together to convey the pulp. Before the press roller mechanism 3 and the support roller 4 work together to press the pulp, the first press filter cloth 6... The pulp is pre-wrapped by the press filter cloth 6 and the second press filter cloth 7, which can effectively reduce the spread of the pulp after being squeezed, and thus effectively prevent the pulp from falling off the edges of the first press filter cloth 6 and the second press filter cloth 7 during the pressing and dewatering process; the multiple press roller mechanism 3 and the support roller 4 press and dewater the pulp between the first press filter cloth 6 and the second press filter cloth 7. The pulp entering the multiple press roller mechanism 3 is always between the first press filter cloth 6 and the second press filter cloth 7. At this time, the pulp is always in a pressing state, which can effectively improve the pressing and dewatering effect of the pulp;

[0032] The support frame 501 in the pressure roller assembly 5 supports the main pressure roller 502 and the auxiliary pressure roller 503, ensuring that the main pressure roller 502 and the auxiliary pressure roller 503 can rotate normally. The lifting and adjusting assembly 504 adjusts the height of the support frame 501, thereby adjusting the height of the main pressure roller 502 and the auxiliary pressure roller 503. This allows for adjustment of the distance between the main pressure roller 502 and the two auxiliary pressure rollers 503 and the support roller 4, thereby adjusting the pressure of the pulp between the first press filter cloth 6 and the second press filter cloth 7, and adjusting the tension of the press dewatering. The main pressure roller 502 presses and dewaters the pulp between the first pressure filter cloth 6 and the second pressure filter cloth 7 directly above the support roller 4. The two auxiliary pressure rollers 503 press and dewater the pulp between the first pressure filter cloth 6 and the second pressure filter cloth 7 on the two sides of the outer wall of the support roller 4. This makes the pulp move in an arc along the outer wall of the support roller 4 as it passes between the pressure roller assembly 5 and the support roller 4, resulting in a better pressing and dewatering effect.

[0033] The extension and retraction adjustment of the regulating cylinder 505 can be achieved by adjusting the position of the auxiliary pressure roller 503 through the mounting frame 506, thereby adjusting the distance between the auxiliary pressure roller 503 and the support roller 4, thus adjusting the pressure of the pulp. This can effectively ensure the pressing effect of the pulp, while avoiding damage to the first pressing filter cloth 6 and the second pressing filter cloth 7.

[0034] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A pressing and dewatering device with adjustable tension, comprising a first pressing filter cloth conveying mechanism (1), a second pressing filter cloth conveying mechanism (2), and a plurality of pressing roller mechanisms (3), characterized in that: The first pressing filter cloth conveying mechanism (1) is located below the second pressing filter cloth conveying mechanism (2). The pressing roller mechanism (3) is movably located between the first pressing filter cloth conveying mechanism (1) and the second pressing filter cloth conveying mechanism (2). The pressing roller mechanism (3) includes a support roller (4) rotatably connected and a pressing roller assembly (5) movably connected. The support roller (4) is located below the pressing roller assembly (5). The first pressing filter cloth (6) in the first pressing filter cloth conveying mechanism (1) and the second pressing filter cloth (7) in the second pressing filter cloth conveying mechanism (2) both pass between the support roller (4) and the pressing roller assembly (5).

2. The pressing and dehydrating device for easy tension adjustment according to claim 1, characterized in that: The pressure roller assembly (5) includes a support frame (501), a main pressure roller (502), a lifting adjustment assembly (504), and two auxiliary pressure rollers (503). The main pressure roller (502) and the two auxiliary pressure rollers (503) are rotatably disposed inside the support frame (501). The two auxiliary pressure rollers (503) are respectively disposed on both sides of the main pressure roller (502). The main pressure roller (502) and the two auxiliary pressure rollers (503) are arranged in a triangular distribution. The support frame (501) is fixedly connected to the output end of the lifting adjustment assembly (504).

3. The pressing and dehydration device for easy tension adjustment according to claim 2, characterized in that: The support frame (501) is symmetrically provided with adjusting cylinders (505) at both ends of the auxiliary pressure roller (503). The output end of the adjusting cylinder (505) is provided with a mounting frame (506). The auxiliary pressure roller (503) is rotatably connected to the mounting frame (506).

4. The pressing and dehydrating device for easy tension adjustment according to claim 2, characterized in that: The lifting adjustment component (504) is a lifting cylinder, and the output end of the lifting cylinder is fixedly connected to the outer wall of the support frame (501).

5. A pressing and dehydrating device for easy tension adjustment according to claim 1, characterized in that: The first pressing filter cloth conveying mechanism (1) includes a drive motor (103) and a first active roller (101) and a first driven roller (102) rotatably connected. The first pressing filter cloth (6) is sleeved on the outer wall of the first active roller (101) and the first driven roller (102). The output shaft of the drive motor (103) is connected to the first active roller (101) through a reducer. The support roller (4) is located between the first active roller (101) and the first driven roller (102).

6. A pressing and dehydrating device for easy tension adjustment according to claim 5, characterized in that: The first pressing filter cloth conveying mechanism (1) has a number of auxiliary rollers (104) rotatably connected between the first active roller (101) and the first driven roller (102), and the support roller (4) and each set of auxiliary rollers (104) are staggered.

7. A pressing and dehydrating device for easy tension adjustment according to claim 5, characterized in that: The second pressing filter cloth conveying mechanism (2) includes a second active roller (201), a second driven roller (202) and a third driven roller (203) rotatably connected. The second pressing filter cloth (7) is sleeved on the outer wall of the second active roller (201), the second driven roller (202) and the third driven roller (203). The second active roller (201), the second driven roller (202) and the third driven roller (203) are arranged in a triangular pattern. The second active roller (201) is located above the first active roller (101), and the second driven roller (202) is located between the second active roller (201) and the third driven roller (203).

8. A pressing and dehydrating device for easy tension adjustment according to claim 7, characterized in that: The first pressing filter cloth conveying mechanism (1) has a first linear adjustment mechanism (105) at one end outside the first driven roller (102), and the first driven roller (102) is rotatably connected to the first linear adjustment mechanism (105). The second pressing filter cloth conveying mechanism (2) has a second linear adjustment mechanism (204) at one end outside the third driven roller (203), and the third driven roller (203) is rotatably connected to the second linear adjustment mechanism (204).

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