Papermaking wastewater precipitation and recovery device for pulp molding

Abstract

The utility model discloses a paper-making wastewater precipitation recovery device for pulp molding, which comprises a barrel body, the outer surface of the barrel body is fixedly connected with three supporting legs, and the end face of the lower end of each supporting leg is fixedly connected with a non-slip mat. Under two-time resultant stirring of a first fan blade in the stirring mechanism, a coagulant and a disinfectant are fully blended into waste water, fibers and suspended solids in the waste water are rapidly and efficiently precipitated, residues left on the inner wall of the barrel body are scraped off through the cleaning mechanism, meanwhile, a second fan blade on the outer side of a connecting plate is driven to rotate, and therefore the coagulant and the disinfectant are fully dissolved into the waste water. The coagulant and the disinfectant are fully fused into the wastewater in the next step, the fiber after precipitation separation is recycled and retreated through the fiber recycling mechanism, maximum utilization of fiber resources is achieved, the production cost is reduced, clear water further treated through the clear water recycling mechanism can be used for all links of paper pulp molding production, and the production efficiency is improved. And cyclic utilization of water resources is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking, and particularly relates to a device for precipitating and recycling papermaking wastewater for pulp molding. Background Art

[0002] A papermaking wastewater precipitation and recycling device is a device specifically used to treat the wastewater generated by a paper mill. Since a large amount of wastewater is generated during the papermaking process, and this wastewater contains a large number of harmful substances, such as chemical raw materials, paper fibers, and impurities generated by mechanical operations, etc. In order to effectively treat this wastewater and recover the useful substances therein, the papermaking wastewater precipitation and recycling device came into being.

[0003] At present, the treatment of papermaking wastewater in the papermaking industry is a difficult problem. Many professionals in the industry have conducted research on this, but the effects are not very ideal. Papermaking wastewater contains many chemical contaminants and pulp. Direct discharge will cause pollution and waste. Currently, many sedimentation tanks are just a pool. The papermaking wastewater is discharged into the pool. After the pulp precipitates, the wastewater is discharged, and the pulp is recovered. Such a simple sedimentation tank is difficult to fully precipitate the pulp, and the sedimentation efficiency is low, and the requirement for the plant area is very high. Summary of the Utility Model

[0004] To solve the above technical problems, a device for precipitating and recycling papermaking wastewater for pulp molding is provided. This technical solution solves the problems put forward in the above background art, that is, papermaking wastewater contains many chemical contaminants and pulp, and direct discharge will cause pollution and waste. Currently, many sedimentation tanks are just a pool. The papermaking wastewater is discharged into the pool. After the pulp precipitates, the wastewater is discharged, and the pulp is recovered. Such a simple sedimentation tank is difficult to fully precipitate the pulp, and the sedimentation efficiency is low, and the requirement for the plant area is very high.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A device for precipitating and recycling papermaking wastewater for pulp molding includes a barrel body. The outer surface of the barrel body is fixedly connected with support legs. The number of the support legs is three, and the lower end face of each support leg is fixedly connected with an anti-slip pad. A water pump and a disinfection box are installed on the upper end face of the barrel body. A stirring mechanism is arranged inside the barrel body. Cleaning mechanisms are arranged on both sides of the stirring mechanism. A filter screen is also installed inside the barrel body. A fiber recovery mechanism is arranged below the barrel body. A clean water recycling mechanism is arranged on the left side of the fiber recovery mechanism.

[0007] Preferably, the input end of the water pump is connected with an input water pipe. The output end of the water pump penetrates through the upper end face of the barrel body and extends into the interior of the barrel body. The output end of the disinfection box also penetrates through the upper end face of the barrel body and extends into the interior of the barrel body.

[0008] Preferably, the stirring mechanism includes a servo motor, which is installed on the upper end face of the barrel body. The output end of the servo motor penetrates through the upper end face of the barrel body and is fixedly connected to the first shaft rod. A first gear is rotatably connected to the outer surface of the first shaft rod through a first bearing, and the first gear is meshed and connected with a second gear.

[0009] Preferably, a first connecting rod is fixedly connected to the lower end face of the second gear. A rotating special-shaped plate is rotatably connected to the outer surface of the first connecting rod through a second bearing. The middle part of the rotating special-shaped plate is fixedly connected to the first shaft rod. A third gear is fixedly connected to the lower end face of the first connecting rod, and the third gear is meshed and connected with a fourth gear.

[0010] Preferably, the fourth gear is rotatably connected to a first fixing rod through a third bearing. The first fixing rod is fixedly connected to the lower end face of the rotating special-shaped plate. A second connecting rod is fixedly connected to the lower end face of the fourth gear. A rotating plate is fixedly connected to the outer surface of the second connecting rod, and a first fan blade is fixedly connected to the lower end face of the rotating plate.

[0011] Preferably, the cleaning mechanism includes a fixing block, which is fixedly connected to the outer surface of the first shaft rod. A second fixing rod is fixedly connected to the outer surface of the fixing block. The number of the second fixing rods is four. Sliders are fixedly connected to the ends of the second fixing rods far away from the fixing block. The sliders are slidably connected in the chutes opened on the inner wall of the barrel body. A connecting plate is fixedly connected to the upper end face of the slider. A cleaning cotton is fixedly connected to the inner side of the connecting plate, and a second fan blade is fixedly connected to the outer side of the connecting plate.

[0012] Preferably, the fiber recovery mechanism includes a compressed air pipe. The upper end face of the compressed air pipe penetrates through a filter screen and extends into the interior of the barrel body. The lower end face of the compressed air pipe penetrates through the lower side of the barrel body and extends into the interior of an air compressor. A discharge pipe is arranged on the outer surface of the air compressor.

[0013] Preferably, the clean water recycling mechanism includes an output water pipe. One end of the output water pipe penetrates through the outer surface of the barrel body below the filter screen and extends into the interior of the barrel body. A water purifier is arranged at the end of the output water pipe far away from the barrel body. A connecting pipe is arranged on the outer surface of the water purifier.

[0014] Compared with the prior art, the utility model provides a paper pulp molding paper-making wastewater precipitation and recovery device, which has the following beneficial effects:

[0015] 1. Under the combined agitation of the first fan blade in the stirring mechanism of the utility model twice, the coagulant and disinfectant are fully incorporated into the wastewater, so that the fibers and suspended matters in the wastewater can precipitate quickly and efficiently, meeting the needs of the staff.

[0016] 2. The utility model scrapes off the residues remaining on the inner wall of the barrel through a cleaning mechanism, and at the same time drives the second fan blade outside the connecting plate to rotate, further enabling the coagulant and disinfectant to be fully incorporated into the wastewater.

[0017] 3. The utility model recovers and reprocesses the fibers separated by precipitation through a fiber recovery mechanism, realizes the maximum utilization of fiber resources, and reduces production costs.

[0018] 4. The clear water further processed by the clear water recycling mechanism of the utility model can be used in various links of pulp molding production, realizing the recycling of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the overall structural schematic diagram of the utility model;

[0020] Figure 2 is the sectional structural schematic diagram of the utility model;

[0021] Figure 3 is the structural schematic diagram of the stirring mechanism and the cleaning mechanism of the utility model;

[0022] Figure 4 is of the utility model Figure 3 is the enlarged structural schematic diagram at A in

[0023] The reference numerals in the figure are:

[0024] 1. Barrel body; 2. Support legs; 3. Anti-slip pads;

[0025] 4. Water pump; 401. Input water pipe;

[0026] 5. Disinfection tank;

[0027] 6. Stirring mechanism; 601. Servo motor; 602. First shaft rod; 603. First bearing; 604. First gear; 605. Second gear; 606. First connecting rod; 607. Second bearing; 608. Rotating special-shaped plate; 609. Third gear; 610. Fourth gear; 611. Third bearing; 612. First fixing rod; 613. Second connecting rod; 614. Rotating plate; 615. First fan blade;

[0028] 7. Cleaning mechanism; 701. Fixed block; 702. Second fixing rod; 703. Slide block; 704. Chute; 705. Connecting plate; 706. Cleaning cotton; 707. Second fan blade;

[0029] 8. Filter screen;

[0030] 9. Fiber recovery mechanism; 901. Compressed air pipe; 902. Air compressor; 903. Discharge pipe;

[0031] 10. Clear water recycling mechanism; 1001. Output water pipe; 1002. Water purifier; 1003. Connecting pipe. Detailed implementation method

[0032] The following description is used to disclose the present utility model so that those skilled in the art can implement the present utility model. The preferred embodiments in the following description are only examples, and those skilled in the art can think of other obvious variations.

[0033] Implementation case 1

[0034] Please refer to Figure 1-2 As shown in the figure, a sedimentation and recovery device for papermaking wastewater used in pulp molding includes a barrel body 1. The outer surface of the barrel body 1 is fixedly connected with support legs 2. The number of support legs 2 is three, and the lower end face of each support leg 2 is fixedly connected with an anti-slip pad 3. A water pump 4 and a disinfection box 5 are installed on the upper end face of the barrel body 1. A stirring mechanism 6 is arranged inside the barrel body 1. Cleaning mechanisms 7 are arranged on both sides of the stirring mechanism 6. A filter screen 8 is also installed inside the barrel body 1. A fiber recovery mechanism 9 is arranged below the barrel body 1. A clear water recycling mechanism 10 is arranged on the left side of the fiber recovery mechanism 9. The input end of the water pump 4 is connected with an input water pipe 401. The output end of the water pump 4 penetrates through the upper end face of the barrel body 1 and extends into the interior of the barrel body 1. The output end of the disinfection box 5 also penetrates through the upper end face of the barrel body 1 and extends into the interior of the barrel body 1.

[0035] When the staff uses the sedimentation and recovery device for papermaking wastewater used in pulp molding, first start the water pump 4. The water pump 4 inputs the papermaking wastewater into the barrel body 1 through the input water pipe 401. Then the disinfection box 5 discharges the matching coagulant and disinfectant through the lower output end.

[0036] Implementation case 2

[0037] Please refer to Figure 2-4As shown in the figure, the stirring mechanism 6 includes a servo motor 601. The servo motor 601 is installed on the upper end face of the barrel body 1. The output end of the servo motor 601 penetrates through the upper end face of the barrel body 1 and is fixedly connected to the first shaft rod 602. A first gear 604 is rotatably connected to the outer surface of the first shaft rod 602 through a first bearing 603. The first gear 604 is meshed and connected with a second gear 605. A first connecting rod 606 is fixedly connected to the lower end face of the second gear 605. A rotating special-shaped plate 608 is rotatably connected to the outer surface of the first connecting rod 606 through a second bearing 607. The middle part of the rotating special-shaped plate 608 is fixedly connected to the first shaft rod 602. A third gear 609 is fixedly connected to the lower end face of the first connecting rod 606. The third gear 609 is meshed and connected with a fourth gear 610. The fourth gear 610 is rotatably connected to a first fixing rod 612 through a third bearing 611. The first fixing rod 612 is fixedly connected to the lower end face of the rotating special-shaped plate 608. A second connecting rod 613 is fixedly connected to the lower end face of the fourth gear 610. A rotating plate 614 is fixedly connected to the outer surface of the second connecting rod 613. A first fan blade 615 is fixedly connected to the lower end face of the rotating plate 614.

[0038] When the staff turns on the servo motor 601, the servo motor 601 drives the rotating special-shaped plate 608 to rotate through the first shaft rod 602. The rotating special-shaped plate 608 will drive the first fan blade 615 to make the first rotation. It should be noted that when the rotating special-shaped plate 608 rotates, the second gear 605 will make a circular motion around the first gear 604. Also, because the first gear 604 and the second gear 605 are meshed and connected, when the second gear 605 makes a circular motion around the first gear 604, it drives the second gear 605 to rotate. The second gear 605 drives the third gear 609 to rotate through the first connecting rod 606. The third gear 609 drives the fourth gear 610 to rotate. The fourth gear 610 drives the rotating plate 614 to rotate through the second connecting rod 613. The rotating plate 614 drives the first fan blade 615 to rotate, realizing the second rotation of the first fan blade 615. Under the combined agitation of the first and second times of the first fan blade 615, the coagulant and disinfectant are fully incorporated into the wastewater, and the fibers and suspended matters in the wastewater are quickly and efficiently precipitated, meeting the needs of the staff.

[0039] Implementation Case 3

[0040] Please refer to Figure 2-4As shown in the figure, the cleaning mechanism 7 includes a fixed block 701, which is fixedly connected to the outer surface of the first shaft rod 602. A second fixed rod 702 is fixedly connected to the outer surface of the fixed block 701. The number of the second fixed rods 702 is four. One end of each second fixed rod 702 away from the fixed block 701 is fixedly connected to a slider 703. The slider 703 is slidably connected to a chute 704 opened on the inner wall of the barrel 1. The upper end face of the slider 703 is fixedly connected to a connecting plate 705. A cleaning cotton 706 is fixedly connected to the inner side of the connecting plate 705. A second fan blade 707 is fixedly connected to the outer side of the connecting plate 705.

[0041] When the staff member turns on the servo motor 601, the first shaft rod 602 will drive the fixed block 701 to rotate. The fixed block 701 drives the slider 703 to slide circumferentially around the inner wall of the barrel 1 in the chute 704 through the second fixed rods 702 on its outer surface. At the same time, the slider 703 drives the cleaning cotton 706 to slide on the inner wall of the barrel 1 through the upper connecting plate 705. The cleaning cotton 706 can scrape off the residues remaining on the inner wall of the barrel 1, and at the same time drives the second fan blade 707 on the outer side of the connecting plate 705 to rotate, further enabling the coagulant and disinfectant to be fully incorporated into the wastewater.

[0042] Implementation Case 4

[0043] Please refer to Figure 1-2 As shown in the figure, the fiber recovery mechanism 9 includes a compressed air pipe 901. The upper end face of the compressed air pipe 901 penetrates through the filter screen 8 and extends into the interior of the barrel 1. The lower end face of the compressed air pipe 901 penetrates through the lower side of the barrel 1 and extends into the interior of the air compressor 902. An outlet pipe 903 is arranged on the outer surface of the air compressor 902.

[0044] When the staff member turns on the air compressor 902, the air compressor 902 can discharge the precipitated fibers on the filter screen 8 through the compressed air pipe 901 and the outlet pipe 903, and then perform cleaning, drying and other treatments through the outer fiber reprocessing device for reuse in pulp molding production.

[0045] Implementation Case 5

[0046] Please refer to Figure 1-2 As shown in the figure, the clean water recycling mechanism 10 includes an output water pipe 1001. One end of the output water pipe 1001 penetrates through the outer surface of the barrel 1 below the filter screen 8 and extends into the interior of the barrel 1. A water purifier 1002 is arranged at the end of the output water pipe 1001 away from the barrel 1. A connecting pipe 1003 is arranged on the outer surface of the water purifier 1002.

[0047] The clear water after sedimentation separation can be discharged into the water purifier 1002 through the output water pipe 1001, and the clear water is further treated. The treated clear water is discharged through the connecting pipe 1003. The clear water after further treatment can be used in various links of pulp molding production, realizing the recycling of water resources.

[0048] The working principle and usage process of this device are as follows: First, start the water pump 4 to input the papermaking wastewater into the barrel body 1. The disinfection box 5 releases the matching coagulant and disinfectant through the output end at the lower side. Then, the staff starts the servo motor 601. The servo motor 601 drives the first fan blade 615 to rotate for the first time through the first shaft rod 602 and the special-shaped plate 608. When rotating the special-shaped plate 608, the second gear 605 will make a circular motion around the first gear 604, thereby driving the second gear 605 to rotate. The second gear 605 drives the first fan blade 615 to rotate through the first connecting rod 606, the third gear 609, the fourth gear 610, the second connecting rod 613 and the rotating plate 614. The second rotation of the first fan blade 615 enables the coagulant and disinfectant to be fully incorporated into the wastewater, and the fibers and suspended matters in the wastewater precipitate quickly and efficiently. At the same time, the first shaft rod 602 slides in the chute 704 through the fixed block 701, the second fixed rod 702 and the slider 703. At the same time, the slider 703 drives the cleaning cotton 706 through the upper connecting plate 705 to scrape off the residues remaining on the inner wall of the barrel body 1. When the second fan blade 707 on the outer side of the connecting plate 705 rotates, it will further enable the coagulant and disinfectant to be fully incorporated into the wastewater. The clear water after sedimentation separation is discharged into the water purifier 1002 through the output water pipe 1001, and the clear water is further treated. The treated clear water is discharged through the connecting pipe 1003. After that, the staff starts the air compressor 902 to discharge the sediment fibers on the filter screen 8 through the output water pipe 1001 and the discharge pipe 903, realizing the recycling of water resources.

[0049] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification is only the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection required by the present invention is defined by the appended claims and their equivalents.

Claims

1. A papermaking wastewater sedimentation and recovery device for pulp molding, characterized in that: The invention comprises a barrel body (1), the outer surface of which is fixedly connected to a supporting leg (2), the number of the supporting legs (2) being three, and the lower end surface of each supporting leg (2) being fixedly connected to a non-slip pad (3), the upper end surface of the barrel body (1) being provided with a water pump (4) and a disinfection box (5), the barrel body (1) being provided with a stirring mechanism (6), cleaning mechanisms (7) being provided on both sides of the stirring mechanism (6), a filter screen (8) being further provided inside the barrel body (1), a fiber recovery mechanism (9) being provided on the lower side of the barrel body (1), and a clean water recycling mechanism (10) being provided on the left side of the fiber recovery mechanism (9).

2. A papermaking wastewater sedimentation and recovery device for pulp molding according to claim 1, characterized in that: The input end of the water pump (4) is connected to an input water pipe (401), the output end of the water pump (4) passes through the upper end surface of the barrel body (1) and extends to the interior of the barrel body (1), and the output end of the disinfection box (5) also passes through the upper end surface of the barrel body (1) and extends to the interior of the barrel body (1).

3. A papermaking wastewater sedimentation and recovery device for pulp molding according to claim 2, characterized in that: The stirring mechanism (6) comprises a servo motor (601), the servo motor (601) is mounted on the upper end surface of the barrel body (1), the output end of the servo motor (601) passes through the upper end surface of the barrel body (1), and is fixedly connected to a first shaft rod (602), the outer surface of the first shaft rod (602) is rotatably connected to a first gear (604) via a first bearing (603), and the first gear (604) is meshingly connected to a second gear (605).

4. A papermaking wastewater sedimentation and recovery device for pulp molding according to claim 3, characterized in that: The lower end face of the second gear (605) is fixedly connected to a first connecting rod (606); the outer surface of the first connecting rod (606) is rotatably connected to a rotating special-shaped plate (608) via a second bearing (607); the middle portion of the rotating special-shaped plate (608) is fixedly connected to the first shaft rod (602); the lower end face of the first connecting rod (606) is fixedly connected to a third gear (609); and the third gear (609) is meshingly connected to a fourth gear (610).

5. A papermaking wastewater sedimentation and recovery device for pulp molding according to claim 4, characterized in that: The fourth gear (610) is rotatably connected to the first fixed rod (612) via the third bearing (611); the first fixed rod (612) is fixedly connected to the lower end face of the rotating special-shaped plate (608); the lower end face of the fourth gear (610) is fixedly connected to the second connecting rod (613); the outer surface of the second connecting rod (613) is fixedly connected to a rotating plate (614); the lower end face of the rotating plate (614) is fixedly connected to the first fan blade (615).

6. A papermaking wastewater sedimentation and recovery device for pulp molding according to claim 1, characterized in that: The cleaning mechanism (7) comprises a fixed block (701), wherein the fixed block (701) is fixedly connected to the outer surface of the first shaft (602), and the outer surface of the fixed block (701) is fixedly connected to a second fixed rod (702), and the number of the second fixed rods (702) is four. One end of the second fixed rod (702) away from the fixed block (701) is evenly connected to a slider (703), and the slider (703) is slidably connected in a slide groove (704) provided on the inner wall of the barrel body (1). The upper end surface of the slider (703) is fixedly connected to a connecting plate (705), and the inner side of the connecting plate (705) is fixedly connected to a cleaning cotton (706), and the outer side of the connecting plate (705) is fixedly connected to a second fan blade (707).

7. The device for settling and recovering wastewater from papermaking for pulp molding according to claim 1, characterized in that: The fiber recovery mechanism (9) comprises a compressed empty pipe (901), the upper end face of the compressed empty pipe (901) passes through a filter screen (8) and extends to the interior of the barrel body (1), the lower end face of the compressed empty pipe (901) passes through the lower side of the barrel body (1) and extends to the interior of the air compressor (902), and a discharge pipe (903) is provided on the outer surface of the air compressor (902).

8. The device for settling and recovering wastewater from papermaking for pulp molding according to claim 1, characterized in that: The clean water recycling mechanism (10) comprises an output water pipe (1001), one end of which passes through the outer surface of the barrel body (1) below the filter screen (8) and extends to the interior of the barrel body (1), and a water purifier (1002) is provided at one end of the output water pipe (1001) away from the barrel body (1), and a connecting pipe (1003) is provided on the outer surface of the water purifier (1002).

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