Papermaking sewage treatment equipment

Abstract

The utility model relates to the technical field of papermaking sewage treatment, and discloses papermaking sewage treatment equipment which comprises a treatment box, supporting legs are arranged at the four corners of the bottom end of the treatment box, and inclined plates extending into the treatment box are arranged on the periphery of the top end of the treatment box. A first filter screen, a second filter screen and an activated carbon filter layer which are in sliding connection are sequentially arranged in the treatment box from top to bottom, a first motor is arranged on one side of the treatment box, and a screw rod which is rotationally connected and driven by the first motor is arranged in the treatment box and located above the first filter screen; and a sliding rod is arranged on the side, away from the screw rod, in the treatment box, moving blocks are arranged on the screw rod and the sliding rod, and a brush attached to the first filter screen is arranged between the moving blocks. Compared with the prior art, the filter has the advantages that impurities such as suspended matters and paper fibers deposited on the first filter screen which is treated in advance can be directly cleaned, accumulated impurities and dirt are removed, and the filtering performance of the first filter screen is recovered.

Description

Technical Field

[0001] The utility model relates to the technical field of papermaking sewage treatment, in particular to a papermaking sewage treatment device. Background Art

[0002] The papermaking industry is an industry with high water consumption and high emissions. According to statistics, for every 1 ton of chemical pulp produced, 150 - 350 m 3 wastewater is discharged, and for every 1 ton of paper produced from pulp, about 20 - 70 m 3 wastewater is discharged. Papermaking wastewater contains various pollutants including suspended solids, pigments, organic substances and other harmful substances.

[0003] When traditional sewage treatment equipment treats papermaking wastewater, due to a large amount of suspended solids, paper fibers and other impurities in the papermaking wastewater, when pre-filtering the papermaking wastewater, the suspended solids, paper fibers and other impurities are likely to block the mesh holes of the filter screen and continuously accumulate on the surface of the filter screen, forming a stacking layer, which hinders the water flow through, resulting in a reduction in the filtering efficiency. Content of the Utility Model

[0004] I. Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is that when traditional sewage treatment equipment pre-filters papermaking wastewater, suspended solids, paper fibers and other impurities are likely to block the filter screen, reducing the filtering efficiency.

[0006] II. Technical Solutions

[0007] To solve the above technical problems, the technical solution provided by the utility model is: a papermaking sewage treatment device, including a treatment tank, support legs are provided at the four corners of the bottom end of the treatment tank, inclined plates extending into the treatment tank are provided around the top end of the treatment tank, a first filter screen, a second filter screen and an activated carbon filter layer which are slidably connected are arranged in the treatment tank from top to bottom in sequence, a first motor is provided on one side of the treatment tank, a screw rod which is rotatably connected and driven by the first motor is arranged above the first filter screen in the treatment tank, a sliding rod is arranged on the side of the treatment tank far away from the screw rod, moving blocks are arranged on both the screw rod and the sliding rod, a brush which is attached to the first filter screen is arranged between the moving blocks, and a discharge port for cooperating with the brush is arranged on one side of the treatment tank.

[0008] As an improvement, a sealing plate which is rotatably connected and cooperates with the discharge port is provided on one side of the treatment tank.

[0009] As an improvement, a second motor is provided at the bottom end of the treatment tank, a rotating shaft which is rotatably connected and driven by the second motor is inserted at the bottom end of the treatment tank, a turntable is arranged at the top end of the rotating shaft, a plurality of stirring rods are arranged at the top end of the turntable, and a feeding pipe is arranged on one side of the treatment tank and below the activated carbon filter layer.

[0010] As an improvement, a sewage discharge pipe is provided on one side of the treatment tank, a control valve is provided on the sewage discharge pipe, and a filter screen cover is provided at the end of the sewage discharge pipe in a threaded connection.

[0011] As an improvement, a sealing door is provided on one side of the treatment tank.

[0012] As an improvement, sliding blocks are provided on both sides of the first filter screen, the second filter screen and the activated carbon filter layer, and a plurality of sliding grooves for cooperating with the sliding blocks are provided on both sides inside the treatment tank 1.

[0013] III. Beneficial effects

[0014] The advantages of the present utility model compared with the prior art are as follows:

[0015] 1. Through the first motor, the screw rod, the slide rod, the moving block, the brush, the discharge port and the sealing plate, the suspended matters, paper fibers and other impurities deposited on the first filter screen can be directly cleaned, the accumulated impurities and dirt can be removed, and the filtering performance of the first filter screen can be restored.

[0016] 2. Through the sliding blocks and the sliding grooves, the first filter screen, the second filter screen and the activated carbon filter layer can be pulled out, which is convenient for overall replacement and has convenient operation. Moreover, under the action of the second motor, the rotating shaft, the turntable, the stirring rod and the feeding pipe, and in cooperation with the wastewater purification agent, the filtered wastewater can be purified again and then discharged, so that the discharged wastewater meets the discharge standard. Description of the drawings

[0017] Figure 1 is a three-dimensional schematic diagram of a papermaking sewage treatment device of the present utility model Figure 1 .

[0018] Figure 2 is a three-dimensional schematic diagram of a papermaking sewage treatment device of the present utility model Figure 2 .

[0019] Figure 3 is a three-dimensional schematic diagram of a papermaking sewage treatment device of the present utility model Figure 3 .

[0020] Figure 4 is a cross-sectional structural schematic diagram of a papermaking sewage treatment device of the present utility model.

[0021] Figure 5 is a Figure 1 detailed enlarged view of part A of a papermaking sewage treatment device of the present utility model.

[0022] Figure 6 is a Figure 4 detailed enlarged view of part B of a papermaking sewage treatment device of the present utility model.

[0023] As shown in the figure: 1. Processing tank; 2. Support legs; 3. Inclined plate; 4. First filter screen; 5. Second filter screen; 6. Activated carbon filter layer; 7. First motor; 8. Screw; 9. Slide bar; 10. Moving block; 11. Brush; 12. Discharge port; 13. Sealing plate; 14. Second motor; 15. Rotating shaft; 16. Turntable; 17. Stirring rod; 18. Sewage discharge pipe; 19. Sealing door; 20. Slide block; 21. Slide groove; 22. Feeding pipe. Specific implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment 1

[0026] Combined with the attached Figure 1 And the attached Figure 4 , a papermaking sewage treatment device includes a processing tank 1, support legs 2 are provided at the four corners of the bottom end of the processing tank 1, inclined plates 3 extending into the processing tank 1 are provided around the top end of the processing tank 1, and a first filter screen 4, a second filter screen 5 and an activated carbon filter layer 6 connected in a sliding manner are sequentially arranged in the processing tank 1 from top to bottom.

[0027] Through the above structure, papermaking sewage enters the processing tank 1, and with the assistance of the inclined plate 3, it sequentially passes through the filtration of the first filter screen 4, the second filter screen 5 and the activated carbon filter layer 6, and the papermaking sewage is purified.

[0028] Combined with the attached Figure 4 And the attached Figure 6 , slide blocks 20 are provided on both sides of the first filter screen 4, the second filter screen 5 and the activated carbon filter layer 6, and a plurality of slide grooves 21 for cooperating with the slide blocks 20 are provided on both sides in the processing tank 1.

[0029] Through the above structure, by using the slide blocks 20 and the slide grooves 21, the first filter screen 4, the second filter screen 5 and the activated carbon filter layer 6 can be pulled out, which is convenient for cleaning and replacement.

[0030] Combined with the attached Figure 1 , a sewage discharge pipe 18 is provided on one side of the processing tank 1, a control valve is provided on the sewage discharge pipe 18, and a filter screen cover connected by threads is provided at the end of the sewage discharge pipe 18.

[0031] With the above structure, when the control valve is opened, the treated wastewater passes through the sewage pipe 18, and finally passes through the filter mesh cover for filtration and then is discharged.

[0032] Embodiment 2

[0033] Combined with the attached Figure 2 、attached Figure 5 and attached Figure 6 As shown in the figures, a first motor 7 is provided on one side of the treatment tank 1. Above the first filter net 4 in the treatment tank 1, there is a screw rod 8 rotatably connected and driven by the first motor 7. On the side of the treatment tank 1 away from the screw rod 8, there is a sliding rod 9. Moving blocks 10 are provided on both the screw rod 8 and the sliding rod 9. A brush 11 that fits the first filter net 4 is provided between the moving blocks 10. A discharge port 12 for cooperating with the brush 11 is provided on one side of the treatment tank 1.

[0034] With the above connection, when the first motor 7 is started, the first motor 7 drives the screw rod 8 to rotate continuously. The moving block 10 on the screw rod 8 follows the movement. With the cooperation of the moving block 10 on the other side and the sliding rod 9, the brush 11 can move horizontally smoothly, cleaning the impurities such as suspended matter and paper fibers accumulated on the first filter net 4, and directly sending them to the discharge port 12 for easy discharge.

[0035] Combined with the attached Figure 3 and attached Figure 4 As shown in the figures, a second motor 14 is provided at the bottom end of the treatment tank 1. A rotating shaft 15 rotatably connected and driven by the second motor 14 is inserted at the bottom end of the treatment tank 1. A turntable 16 is provided at the top end of the rotating shaft 15. A plurality of stirring rods 17 are provided at the top end of the turntable 16. A feeding pipe 22 is provided on one side of the treatment tank 1 and below the activated carbon filter layer 6.

[0036] With the above structure, pour the wastewater purification agent into the treatment tank 1 from the feeding pipe 22. Start the second motor 14, and the second motor 14 drives the rotating shaft 15 to rotate continuously. The turntable 16 and the stirring rods 17 on the rotating shaft 15 follow the rotation, which can mix and stir the wastewater and the wastewater purification agent, effectively removing the harmful substances in the wastewater.

[0037] Combined with the attached Figure 2 As shown in the figure, a sealing plate 13 rotatably connected and cooperating with the discharge port 12 is provided on one side of the treatment tank 1. A sealing door 19 is provided on one side of the treatment tank 1.

[0038] With the above structure, by using the sealing plate 13 and the sealing door 19, the airtightness of the entire treatment tank 1 can be maintained, which is convenient for treating papermaking sewage.

[0039] Combined with the attached Figure 5 and attached Figure 6, on one side, the connection mode between the moving block 10 and the sliding rod 9 is a sliding connection, and on the other side, the connection mode between the moving block 10 and the screw rod 8 is a threaded connection. The structure is simple and easy to implement.

[0040] When the present utility model is specifically implemented:

[0041] The papermaking sewage is directly sent into the treatment tank 1. With the assistance of the inclined plate 3, it passes through the first filter screen 4, the second filter screen 5, and the activated carbon filter layer 6 in sequence, and then falls to the bottom inside the treatment tank 1.

[0042] Pour the wastewater purification agent into the treatment tank 1 from the feeding pipe 22, start the second motor 14, the second motor 14 drives the rotating shaft 15 to rotate continuously, and the turntable 16 and the stirring rod 17 located on the rotating shaft 15 rotate accordingly, which can mix and stir the wastewater and the wastewater purification agent, effectively removing the harmful substances in the wastewater. Finally, the treated sewage is directly discharged through the sewage discharge pipe 18 and the filter screen cover.

[0043] After using for a period of time, impurities such as suspended matter and paper fibers continuously accumulate on the first filter screen 4. At this time, start the first motor 7, the first motor 7 drives the screw rod 8 to rotate continuously, and the moving block 10 located on the screw rod 8 moves accordingly. With the cooperation of the moving block 10 and the sliding rod 9 on the other side, the brush 11 can move horizontally stably, cleaning the suspended matter, paper fibers and other impurities accumulated on the first filter screen 4, and directly sending them to the discharge port 12 for easy direct discharge.

[0044] Then, by using the slider 20 and the chute 21, the first filter screen 4, the second filter screen 5, and the activated carbon filter layer 6 can be pulled out, which is convenient for cleaning and replacement.

[0045] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0046] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

[0047] The above description is made for the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design, without creative efforts, structural manners and embodiments similar to the technical solution without departing from the purpose of the creation of the present utility model, they shall fall within the protection scope of the present utility model.

Claims

1. A papermaking sewage treatment device, including a treatment tank (1), and support legs (2) are provided at the four corners of the bottom end of the treatment tank (1), and it is characterized in that: Sloping plates (3) extending into the treatment tank (1) are provided around the top end of the treatment tank (1), and a first filter screen (4), a second filter screen (5) and an activated carbon filter layer (6) which are slidably connected are successively arranged in the treatment tank (1) from top to bottom; A first motor (7) is provided on one side of the treatment tank (1), a screw rod (8) which is rotatably connected and driven by the first motor (7) is provided in the treatment tank (1) and above the first filter screen (4), a sliding rod (9) is provided on the side of the treatment tank (1) far from the screw rod (8), moving blocks (10) are provided on both the screw rod (8) and the sliding rod (9), a brush (11) which is in contact with the first filter screen (4) is provided between the moving blocks (10), and a discharge port (12) for cooperating with the brush (11) is provided on one side of the treatment tank (1).

2. The paper-making sewage treatment equipment according to claim 1, characterized in that: A sealing plate (13) which is rotatably connected and cooperates with the discharge port (12) is provided on one side of the treatment tank (1), and a sealing door (19) is provided on one side of the treatment tank (1).

3. A papermaking sewage treatment device according to claim 1, characterized in that: A second motor (14) is provided at the bottom end of the treatment tank (1), a rotating shaft (15) which is rotatably connected and driven by the second motor (14) is inserted at the bottom end of the treatment tank (1), a turntable (16) is provided at the top end of the rotating shaft (15), a plurality of stirring rods (17) are provided at the top end of the turntable (16), and a feeding pipe (22) is provided on one side of the treatment tank (1) and below the activated carbon filter layer (6).

4. A papermaking sewage treatment device according to claim 1, characterized in that: A sewage discharge pipe (18) is provided on one side of the treatment tank (1), a control valve is provided on the sewage discharge pipe (18), and a filter screen cover connected by threads is provided at the end of the sewage discharge pipe (18).

5. The paper-making sewage treatment equipment according to claim 1, characterized in that: The connection mode between one moving block (10) and the sliding rod (9) is a sliding connection, and the connection mode between the other moving block (10) and the screw rod (8) is a threaded connection.

6. The paper-making sewage treatment equipment according to claim 1, characterized in that: Sliding blocks (20) are provided on both sides of the first filter screen (4), the second filter screen (5) and the activated carbon filter layer (6), and a plurality of sliding grooves (21) for cooperating with the sliding blocks (20) are provided on both sides inside the treatment tank (1).

Images