Device for recovering pulp from papermaking sewage for corrugated paper production

Abstract

The utility model relates to the technical field of papermaking sewage treatment, in particular to a device for recycling pulp in papermaking sewage for corrugated paper production, which comprises a connecting cover and a recycling component, the recycling component is arranged at the bottom of the connecting cover and comprises connecting rods, the connecting rods are fixedly connected to two sides of the bottom of the connecting cover, and the connecting rods are connected with the connecting cover. A clamping groove is formed in the bottom of the connecting rod, a fixing ring is movably connected to the middle of the connecting rod, and a filter screen is fixedly connected to the middle of the fixing ring. According to the device for recycling the pulp in the papermaking wastewater for corrugated paper production, by installing the recycling assembly, paper pulp in the wastewater can be filtered and recycled, resource waste is reduced, during filtering work, the surface of a filter screen can be cleaned, the situation that filtering is blocked by the paper pulp, and wastewater discharging is slow is prevented, and the practicability is high. Meanwhile, the filter screen can be conveniently disassembled and assembled, and the situation that the surface of the filter screen is blocked by paper pulp after the filter screen is used for a long time can be effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking wastewater treatment, in particular to a pulp recovery device in papermaking wastewater used in corrugated paper production. Background Art

[0002] Corrugated paper or corrugated board is a packaging material consisting of corrugated board and one or two flat linerboards. It is manufactured on a flute laminator or corrugator and is used to make corrugated boxes. However, papermaking wastewater is produced during the production of corrugated paper. There is pulp inside the wastewater, so the pulp needs to be recycled from the wastewater.

[0003] The prior art CN207872161U patent document proposes a sewage treatment device for a paper mill, which proposes: The utility model provides a sewage treatment device for a paper mill, which relates to the field of sewage treatment equipment, including a shell, a feed hopper is fixedly connected to the top of the shell, a push device is fixedly connected to the left side of the shell, a first motor is arranged inside the push device, the first motor is connected to a connecting rod through a rotating shaft transmission on one side thereof, the end of the connecting rod away from the first motor is fixedly connected to a limit column, a limit frame is arranged outside the limit column, a push rod is fixedly connected to one side of the limit frame, and a support column is fixedly connected to the bottom of the inner cavity of the push device. The sewage treatment device of the paper mill can effectively move the push rod left and right through the push device on the left side of the shell, and the push plate at one end of the push rod can push the recovered slurry into the interior of the collection device, which is convenient for recovering the slurry and saving resources. The sieve at the bottom of the push plate can filter the slurry mixed in the sewage, effectively recover the slurry and avoid waste of resources.

[0004] The prior art uses a screen to filter and recover pulp from wastewater. However, after a long period of use, the screen may be clogged with pulp, thereby affecting the filtration rate of the pulp. Therefore, the screen needs to be cleaned or replaced regularly by the staff. However, it is cumbersome for the staff to manually remove the screen from the inside of the device, which will have a certain impact on the filtration efficiency of the pulp. Utility Model Content

[0005] The utility model aims to provide a pulp recovery device for papermaking wastewater in corrugated paper production, so as to solve the problem in the above-mentioned background technology that the screen cannot be easily replaced, which may affect the filtering efficiency. To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pulp recovery device for papermaking wastewater in corrugated paper production, comprising a connecting cover and a recovery component, the recovery component is arranged at the bottom of the connecting cover, the recovery component comprises a connecting rod, the connecting rod is fixedly connected to both sides of the bottom of the connecting cover, a card slot is provided at the bottom of the connecting rod, a fixing ring is movably connected to the middle of the connecting rod, a filter net is fixedly connected to the middle of the fixing ring, connecting rings are fixedly connected to both sides of the fixing ring, a card block is fixedly connected to the top of the connecting ring, and the outer side of the card block is carded with the card slot, by installing the recovery component, the pulp in the wastewater can be filtered and recovered, and the waste of resources can be reduced. When filtering, the surface of the filter net can be cleaned to prevent the filter from being blocked by pulp and the wastewater from being discharged slowly. At the same time, the filter net can be conveniently disassembled and assembled, which can effectively prevent the filter net from being blocked by pulp after long-term use.

[0006] Further preferably, a through hole 1 is provided at the bottom of the connecting cover, a groove is provided at the top of the inner wall of the through hole 1, and a stirring assembly is provided in the inner cavity of the groove, so that the stirring device can be assisted by the provided through hole 1 to speed up the working speed of the pulp.

[0007] Further preferably, the stirring assembly includes a motor 1, which is fixedly connected to the inner wall of the groove, and the transmission end at the bottom of the motor 1 is fixedly connected to a rotating rod 1, and a through hole 1 of the rotating rod 1 enables it to stir the pulp wastewater to prevent the pulp wastewater from clogging the filter screen during filtering.

[0008] Further preferably, a stirring rod is fixedly connected to the outer side of the rotating rod, a stirring brush is fixedly connected to the bottom of the stirring rod, the bottom of the stirring brush is rotatably connected to the top of the filter screen, and a collecting assembly is provided on the lower side of the connecting cover, which can reduce the cleaning time of the filter screen and speed up the working speed of pulp filtration.

[0009] Further preferably, the collecting assembly includes a stirring barrel, which is arranged on the lower side of the connecting cover, the inner wall of the stirring barrel is movably connected to the outer side of the connecting rod, and the bottom of the stirring barrel is fixedly connected with a drain pipe to assist the filtering assembly in performing pulp filtering to reduce waste of resources.

[0010] Further preferably, a valve is fixedly connected to the outside of the drain pipe, a fixed plate is fixedly connected to the outside of the mixing barrel, a supporting leg is fixedly connected to the bottom of the fixed plate, and a power assembly is provided on the top of the fixed plate, which can assist in the filtering and recovery of pulp and reduce waste of resources.

[0011] Further preferably, the power assembly includes a fixed block, which is fixedly connected to one side of the top of the fixed plate, the top of the fixed block is fixedly connected to a fixed rod, the outer side of the fixed rod is slidably connected to a movable plate, the other side of the top of the movable plate is provided with a threaded groove, and the top of the fixed rod is fixedly connected to a limiting plate, which can limit the movable plate so that it can assist the stirring assembly to move up and down.

[0012] Further preferably, a second through hole is opened on the other side of the top of the limiting plate, and a second motor is fixedly connected to the other side of the top of the fixing plate. A threaded rod is fixedly connected to the transmission end of the top of the second motor, and the outer side of the threaded rod is rotatably connected to the inner wall of the threaded groove. A bearing is sleeved on the outer side of the threaded rod, and the outer side of the bearing is fixedly connected to the inner wall of the second through hole. By installing the second motor, the recovery component can be driven up and down together with the threaded rod, so that the staff can conveniently collect the filtered pulp.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by installing a recovery component, the pulp in the wastewater can be filtered and recovered, thereby reducing the waste of resources. When filtering, the surface of the filter can be cleaned to prevent the filter from being blocked by pulp and causing the wastewater to be discharged slowly. At the same time, the filter can be conveniently disassembled and assembled, which can effectively prevent the filter from being blocked by pulp after long-term use.

[0015] In the utility model, by installing a stirring assembly, the motor 1 can be started to stir the pulp wastewater, thereby preventing the pulp wastewater from clogging the filter screen during filtering, reducing the cleaning time of the filter screen and speeding up the pulp filtration working speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0019] Figure 4This is a schematic diagram of the three-dimensional structure of the power assembly of the utility model;

[0020] Figure 5 This is a schematic diagram of the enlarged cross-section structure of the stirring component of the utility model;

[0021] Figure 6 It is a schematic diagram of the enlarged cross-section structure of the recycling component of the utility model.

[0022] In the figure: 1. connecting cover; 2. recycling component; 201. connecting rod; 202. slot; 203. fixing ring; 204. filter; 205. connecting ring; 206. block; 3. through hole one; 4. groove; 5. stirring component; 501. motor one; 502. rotating rod one; 503. stirring rod; 504. stirring brush; 6. collecting component; 601. stirring barrel; 602. drain pipe; 603. valve; 604. fixing plate; 605. supporting leg; 7. power component; 701. fixing block; 702. fixing rod; 703. moving plate; 704. threaded groove; 705. limiting plate; 706. through hole two; 707. motor two; 708. threaded rod; 709. bearing. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 6 The utility model provides a technical solution: a pulp recovery device for papermaking wastewater in corrugated paper production, comprising a connecting cover 1 and a recovery component 2, the recovery component 2 is arranged at the bottom of the connecting cover 1, the recovery component 2 comprises a connecting rod 201, the connecting rod 201 is fixedly connected to both sides of the bottom of the connecting cover 1, a card slot 202 is provided at the bottom of the connecting rod 201, a fixing ring 203 is movably connected to the middle of the connecting rod 201, a filter screen 204 is fixedly connected to the middle of the fixing ring 203, connecting rings 205 are fixedly connected to both sides of the fixing ring 203, a card block 206 is fixedly connected to the top of the connecting ring 205, and the outer side of the card block 206 is carded with the card slot 202.

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6As shown, a through hole 3 is provided at the bottom of the connecting cover 1, a groove 4 is provided at the top of the inner wall of the through hole 3, a stirring assembly 5 is provided in the inner cavity of the groove 4, and the stirring assembly 5 includes a motor 501, the motor 501 is fixedly connected to the inner wall of the groove 4, a driving end at the bottom of the motor 501 is fixedly connected to a rotating rod 502, the rotating rod 502 passes through the through hole 3, the outer side of the rotating rod 502 is fixedly connected to a stirring rod 503, the bottom of the stirring rod 503 is fixedly connected to a stirring brush 504, the bottom of the stirring brush 504 is rotatably connected to the top of the filter 204, a collecting assembly 6 is provided on the lower side of the connecting cover 1, and the collecting assembly 6 includes a stirring barrel 601, the stirring barrel 601 is arranged on the lower side of the connecting cover 1, the inner wall of the stirring barrel 601 is movably connected to the outer side of the connecting rod 201, and the bottom of the stirring barrel 601 A drain pipe 602 is fixedly connected to the bottom, a valve 603 is fixedly connected to the outside of the drain pipe 602, a fixed plate 604 is fixedly connected to the outside of the mixing barrel 601, a supporting leg 605 is fixedly connected to the bottom of the fixed plate 604, and a power component 7 is arranged on the top of the fixed plate 604. When using the device, the staff can first pour the papermaking wastewater into the mixing barrel 601, and the pulp in the papermaking wastewater can be filtered through the filter screen 204, and then the staff can start the motor 501, and the motor 501 drives the rotating rod 502 to rotate, and the rotating rod 502 drives the stirring rod 503 and the stirring brush 504 to rotate, so that the papermaking wastewater can be stirred, and at the same time, the surface of the filter screen 204 can be stirred to prevent the pulp from clogging the filter screen 204.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6As shown, the power assembly 7 includes a fixed block 701, which is fixedly connected to one side of the top of the fixed plate 604, a fixed rod 702 is fixedly connected to the top of the fixed block 701, a movable plate 703 is slidably connected to the outer side of the fixed rod 702, a threaded groove 704 is provided on the other side of the top of the movable plate 703, a limit plate 705 is fixedly connected to the top of the fixed rod 702, a through hole 706 is provided on the other side of the top of the limit plate 705, a motor 707 is fixedly connected to the other side of the top of the fixed plate 604, a threaded rod 708 is fixedly connected to the transmission end of the top of the motor 707, and the outer side of the threaded rod 708 is connected to the The inner wall of the threaded groove 704 is rotatably connected, and a bearing 709 is sleeved on the outer side of the threaded rod 708. The outer side of the bearing 709 is fixedly connected to the inner wall of the second through hole 706. The staff can start the second motor 707, and the second motor 707 drives the threaded rod 708 to rotate. Through the sliding connection between the moving plate 703 and the moving plate 703, and the rotation connection between the moving plate 703 and the threaded rod 708, the rotation of the threaded rod 708 can drive the moving plate 703 to rotate, so that the moving plate 703 can drive the connecting cover 1 to move upward, so that the connecting cover 1 can move the recovery component 2 and the stirring component 5 upward.

[0027] The use method and advantages of the utility model: The pulp recovery device for papermaking wastewater in corrugated paper production has the following working process when in use:

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, when using the device, the staff can first pour the papermaking wastewater into the interior of the mixing barrel 601, and the pulp in the papermaking wastewater can be filtered through the filter screen 204. Then the staff can start the motor 501, and the motor 501 drives the rotating rod 502 to rotate, and the rotating rod 502 drives the stirring rod 503 and the stirring brush 504 to rotate, so that the papermaking wastewater can be stirred, and the surface of the filter screen 204 can be stirred to prevent the pulp from clogging the filter screen 204. When the filtering work is completed, the staff can start the motor 2 707, and the motor 2 707 drives the threaded rod 7 08 is rotated, through the sliding connection between the movable plate 703 and the movable plate 703, and the rotation connection between the movable plate 703 and the threaded rod 708, the rotation of the threaded rod 708 can drive the movable plate 703 to rotate, so that the movable plate 703 can drive the connecting cover 1 to move upward, so that the connecting cover 1 can move upward with the recovery component 2 and the stirring component 5, so that the fixing ring 203 and the filter screen 204 can be moved to the upper side of the stirring barrel 601, and then the staff can release the card block 206 from the card slot 202, so that it can collect the filtered pulp and clean the filter screen 204 at the same time.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for recovering pulp from papermaking wastewater in corrugated paper production, comprising a connecting cover (1) and a recovery component (2), characterized in that: The recovery component (2) is arranged at the bottom of the connection cover (1), and comprises a connection rod (201), wherein the connection rod (201) is fixedly connected to two sides of the bottom of the connection cover (1), a clamping groove (202) is provided at the bottom of the connection rod (201), a fixing ring (203) is movably connected to the middle of the connection rod (201), a filter screen (204) is fixedly connected to the middle of the fixing ring (203), connection rings (205) are fixedly connected to both sides of the fixing ring (203), a clamping block (206) is fixedly connected to the top of the connection ring (205), and the outer side of the clamping block (206) is clamped to the clamping groove (202).

2. The device for recovering pulp from papermaking wastewater for corrugated paper production according to claim 1, characterized in that: A through hole (3) is provided at the bottom of the connection cover (1), a groove (4) is provided at the top of the inner wall of the through hole (3), and a stirring assembly (5) is provided in the inner cavity of the groove (4).

3. The device for recovering pulp from papermaking wastewater for corrugated paper production according to claim 2, characterized in that: The stirring assembly (5) comprises a motor (501), wherein the motor (501) is fixedly connected to the inner wall of the groove (4), and a transmission end at the bottom of the motor (501) is fixedly connected to a rotating rod (502), and a through hole (3) is passed through the rotating rod (502).

4. The device for recovering pulp from papermaking wastewater for corrugated paper production according to claim 3, characterized in that: The outer side of the rotating rod (502) is fixedly connected to a stirring rod (503), the bottom of the stirring rod (503) is fixedly connected to a stirring brush (504), the bottom of the stirring brush (504) is rotatably connected to the top of the filter screen (204), and a collecting assembly (6) is provided on the lower side of the connecting cover (1).

5. The device for recovering pulp from papermaking wastewater for corrugated paper production according to claim 4, characterized in that: The collecting assembly (6) comprises a stirring barrel (601), wherein the stirring barrel (601) is arranged on the lower side of the connecting cover (1), the inner wall of the stirring barrel (601) is movably connected to the outer side of the connecting rod (201), and the bottom of the stirring barrel (601) is fixedly connected to a drain pipe (602).

6. The device for recovering pulp from papermaking wastewater for corrugated paper production according to claim 5, characterized in that: A valve (603) is fixedly connected to the outside of the drainage pipe (602), a fixing plate (604) is fixedly connected to the outside of the mixing barrel (601), a supporting leg (605) is fixedly connected to the bottom of the fixing plate (604), and a power assembly (7) is arranged on the top of the fixing plate (604).

7. The device for recovering pulp from papermaking wastewater for corrugated paper production according to claim 6, characterized in that: The power assembly (7) comprises a fixed block (701), wherein the fixed block (701) is fixedly connected to one side of the top of the fixed plate (604), a fixed rod (702) is fixedly connected to the top of the fixed block (701), a movable plate (703) is slidably connected to the outer side of the fixed rod (702), a threaded groove (704) is provided on the other side of the top of the movable plate (703), and a limiting plate (705) is fixedly connected to the top of the fixed rod (702).

8. The device for recovering pulp from papermaking wastewater used in corrugated paper production according to claim 7, characterized in that: A second through hole (706) is provided on the other side of the top of the limiting plate (705); a second motor (707) is fixedly connected to the other side of the top of the fixing plate (604); a threaded rod (708) is fixedly connected to the transmission end of the top of the second motor (707); the outer side of the threaded rod (708) is rotatably connected to the inner wall of the threaded groove (704); a bearing (709) is sleeved on the outer side of the threaded rod (708); and the outer side of the bearing (709) is fixedly connected to the inner wall of the second through hole (706).

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