Screening mechanism for waste paper papermaking wastewater treatment

Abstract

The utility model discloses a screening mechanism for waste paper papermaking wastewater treatment, which comprises a filtering tank, the top of the filtering tank is fixedly provided with a driving motor, the top of one side of the filtering tank is fixedly provided with a sewage inlet, and the bottom of one side of the filtering tank is fixedly provided with a cleaning water pipe. A water outlet is formed in the bottom of the other side of the filtering tank, a fixed sleeve is fixedly installed in the filtering tank in a sealed mode, a rotating shaft is rotationally connected to the interior of the fixed sleeve, a filtering cylinder is fixedly installed at the bottom of the fixed sleeve, and a deposition tank is integrally connected to the bottom of the filtering cylinder. The scraping plate is used for scraping impurities adsorbed on the inner wall of the filter cartridge and sending the scraped impurities into the sewage discharge groove, and the impurities automatically flow into the deposition groove through the sewage discharge groove under the action of gravity, so that residues in wastewater are prevented from being attached to or blocking the filter cartridge, the wastewater is more smoothly filtered, and the treatment effect of the wastewater is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste water treatment technical field, concretely is a screening mechanism for waste paper papermaking wastewater treatment. BACKGROUND

[0002] The regenerated paper is the paper that is produced by processing and producing through many procedures to waste paper as raw material, broken, color removing and pulping. 80% of its raw material is from the recycled waste paper, and thus is praised as the low energy consumption, light pollution and environment-friendly paper. The urban waste paper is various, and different regenerated copy paper, regenerated packaging paper and the like are made from different kinds of waste paper.

[0003] The regenerated paper production wastewater needs to be treated through multiple procedures in order to reach the standard discharge of wastewater. When the wastewater is pretreated, because the wastewater contains many solid particles such as colloidal particles, the residues are easy to accumulate and block the pipe opening when the wastewater enters the treatment tank through the water inlet pipe, and many residues are easy to cause the blockage of the filter screen, affecting the pretreatment efficiency.

[0004] Therefore, we provide a screening mechanism for waste paper papermaking wastewater treatment. SUMMARY

[0005] The utility model discloses a screening mechanism for waste paper papermaking wastewater treatment to solve the problem in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a screening mechanism for waste paper papermaking wastewater treatment, including filter jar, the top of filter jar is fixedly installed with drive motor, one side top of filter jar is fixedly installed with sewage inlet, the bottom of one side of filter jar is fixedly installed with cleaning water pipe, the bottom of the other side of filter jar is provided with water outlet, the inside sealed fixed mounting of filter jar has fixed sleeve, the inside rotation of fixed sleeve is connected with the pivot, the bottom of fixed sleeve is fixedly installed with filter bowl, the bottom of filter bowl is integrally connected with sedimentation groove, the inner wall of filter bowl is provided with blowdown groove, the bottom of sedimentation groove is provided with blowdown, the top of pivot is fixedly installed with the output of drive motor, the bottom of pivot is fixedly installed with fixed cylinder, the outer periphery of fixed cylinder is fixedly installed with connecting plate, the end of connecting plate is provided with scraper.

[0007] Optionally, the sealing connection of the fixed sleeve and the filter jar is located below the sewage inlet, and the top of the fixed sleeve is higher than the top of the sewage inlet.

[0008] Optionally, the rotating shaft is fixedly installed with a partition plate at the connecting position of the fixed sleeve and the filter cylinder, the diameter of the partition plate is smaller than the diameter of the inside of the filter cylinder, a flow guide through hole is formed in the middle of the partition plate, and the diameter of the fixed cylinder is smaller than the distance between the symmetric flow guide through holes.

[0009] Optionally, an elastic gasket is arranged at the connecting position of the connecting plate and the fixed cylinder, the elastic gasket is arranged between the connecting plate and the fixed cylinder, and the end of the scraper is in sliding contact with the inner wall of the filter cylinder.

[0010] Optionally, the bottom of the sewage discharge groove is located at the bottom of the sedimentation groove, the inside of the sewage discharge groove is in a circular arc shape, and the sewage discharge groove is vertically arranged on the inner wall of the filter cylinder.

[0011] Optionally, the sewage inlet, the water outlet, the cleaning water pipe and the sewage discharge port are provided with electric control valves.

[0012] Optionally, the sewage inlet, the water outlet, the cleaning water pipe and the sewage discharge port are provided with electric control valves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The screening mechanism for waste paper papermaking wastewater treatment, through the setting connecting plate and scraper, through sewage inlet, sewage is sent into filter tank, through flow guide through hole, enters the inside of filter cylinder and carries out filtration, simultaneously, driving motor drives rotating shaft and fixed cylinder to rotate, connecting plate carries out stirring to sewage in the inside of filter cylinder, simultaneously, scraper carries out scraping to impurity adsorbed on the inner wall of filter cylinder, and sends the scraped impurity into sewage discharge groove, under the action of gravity, impurity automatically flows into sedimentation groove through sewage discharge groove, avoids that the residue in wastewater adheres or blocks filter cylinder, makes wastewater more smoothly carry out filtration, and improves wastewater treatment effect.

[0015] 2. The screening mechanism for waste paper papermaking wastewater treatment, through the setting cleaning water pipe and scraper, when filter cylinder is used for a period of time, sewage inlet and water outlet are closed, sewage discharge port is opened, clean water is sent into the inside of filter tank through cleaning water pipe, driving motor drives scraper to rotate, and the inside of filter cylinder is cleaned, so that filter cylinder is prevented from being blocked, and the problem of reduced filtration efficiency is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a whole structure schematic view of the screening mechanism for waste paper papermaking wastewater treatment.

[0017] Fig. 2 It is a structure schematic view of the filter tank of the screening mechanism for waste paper papermaking wastewater treatment.

[0018] Fig. 3The utility model provides a kind of filter cylinder's structural schematic diagram of screening mechanism for waste paper papermaking wastewater treatment.

[0019] Fig. 4 The utility model provides a kind of rotating shaft's structural schematic diagram of screening mechanism for waste paper papermaking wastewater treatment.

[0020] In the drawing: 1, filter tank;2, sewage inlet;3, water outlet;4, cleaning water pipe;5, drive motor;6, sewage outlet;7, fixed sleeve;8, rotating shaft;9, filter cylinder;10, sewage tank;11, sedimentation tank;12, fixed cylinder;13, connecting plate;14, scraper;15, elastic gasket;16, partition plate;17, material guiding through-hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figs. 1 to 4 The utility model provides a kind of screening mechanism for waste paper papermaking wastewater treatment, including filter tank 1, the top of filter tank 1 is fixedly installed with drive motor 5, the top of one side of filter tank 1 is fixedly installed with sewage inlet 2, the bottom of one side of filter tank 1 is fixedly installed with cleaning water pipe 4, the bottom of other side of filter tank 1 is provided with water outlet 3, the inside of filter tank 1 is sealed and fixedly installed with fixed sleeve 7, rotatingly connected with rotating shaft 8 in the inside of fixed sleeve 7, the bottom of fixed sleeve 7 is fixedly installed with filter cylinder 9, the bottom of filter cylinder 9 is integrally connected with sedimentation tank 11, the inner wall of filter cylinder 9 is provided with sewage tank 10, the bottom of sedimentation tank 11 is provided with sewage outlet 6, the top of rotating shaft 8 is fixedly installed with the output end of drive motor 5, the bottom of rotating shaft 8 is fixedly installed with fixed cylinder 12, the outer periphery of fixed cylinder 12 is fixedly installed with connecting plate 13, the end of connecting plate 13 is provided with scraper 14, by setting connecting plate 13 and scraper 14, by sewage inlet 2, sewage is sent into filter tank 1, by material guiding through-hole 17, enter the inside of filter cylinder 9 and carry out filtration, simultaneously, drive motor 5 drives rotating shaft 8 and fixed cylinder 12 to rotate, connecting plate 13 is stirred while the sewage in the inside of filter cylinder 9, and scraper 14 is scraped off the impurities adsorbed on the inner wall of filter cylinder 9, and the impurities scraped off are sent into sewage tank 10, under the action of gravity, impurities automatically flow into sedimentation tank 11 by sewage tank 10, avoid the residue in wastewater to adhere or block filter cylinder 9, so that wastewater is more smoothly filtered, improve the treatment effect of wastewater.

[0023] The sealing connection of the fixed sleeve 7 and the filter tank 1 is below the sewage inlet 2, the top of the fixed sleeve 7 is above the sewage inlet 2, the rotating shaft 8 is fixedly installed with the partition plate 16 at the connection of the fixed sleeve 7 and the filter cylinder 9, the diameter of the partition plate 16 is smaller than the diameter of the inside of the filter cylinder 9, the middle part of the partition plate 16 is provided with the flow guide through hole 17, the diameter of the fixed cylinder 12 is smaller than the distance between the symmetrical flow guide through holes 17, the connection of the connecting plate 13 and the fixed cylinder 12 is provided with the elastic gasket 15, the elastic gasket 15 is between the connecting plate 13 and the fixed cylinder 12, the end of the scraper 14 is in sliding contact with the inner wall of the filter cylinder 9, the bottom of the sewage discharge groove 10 is at the bottom of the sedimentation groove 11, the inside of the sewage discharge groove 10 is in arc shape, the sewage discharge groove 10 is vertically arranged on the inner wall of the filter cylinder 9, the sewage discharge outlet 6 is in penetrating sealing arrangement with the bottom of the filter tank 1, the bottom of the sedimentation groove 11 is in funnel shape, the sewage inlet 2, the water outlet 3, the cleaning water pipe 4 and the sewage discharge outlet 6 are provided with electric control valves, by arranging the cleaning water pipe 4 and the scraper 14, when the filter cylinder 9 is used for a period of time, the sewage inlet 2 and the water outlet 3 are closed, the sewage discharge outlet 6 is opened, clean water is sent into the inside of the filter tank 1 through the cleaning water pipe 4, the scraper 14 is driven to rotate by the driving motor 5, the inside of the filter cylinder 9 is cleaned, the filter cylinder 9 is prevented from being blocked, and the filtering efficiency is reduced.

[0024] Working principle:

[0025] The sewage is sent into the filter tank 1 through the sewage inlet 2, enters the inside of the filter cylinder 9 through the flow guide through hole 17 for filtration, meanwhile, the rotating shaft 8 and the fixed cylinder 12 are driven to rotate by the driving motor 5, the connecting plate 13 stirs the sewage in the inside of the filter cylinder 9, the scraper 14 scrapes off the impurities adsorbed on the inner wall of the filter cylinder 9, and sends the scraped impurities into the sewage discharge groove 10, under the action of gravity, the impurities automatically flow into the sedimentation groove 11 through the sewage discharge groove 10, the residues in the waste water are prevented from adhering to or blocking the filter cylinder 9, the waste water is more smoothly filtered, and the treatment effect of the waste water is improved, when the filter cylinder 9 is used for a period of time, the sewage inlet 2 and the water outlet 3 are closed, the sewage discharge outlet 6 is opened, clean water is sent into the inside of the filter tank 1 through the cleaning water pipe 4, the scraper 14 is driven to rotate by the driving motor 5, the inside of the filter cylinder 9 is cleaned, the filter cylinder 9 is prevented from being blocked, and the filtering efficiency is reduced.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A screening mechanism for treating waste paper manufacturing wastewater, comprising a filter tank (1), characterized in that, A drive motor (5) is fixedly installed on the top of the filter tank (1). A sewage inlet (2) is fixedly installed on the top of one side of the filter tank (1). A cleaning water pipe (4) is fixedly installed on the bottom of one side of the filter tank (1). A water outlet (3) is provided at the bottom of the other side of the filter tank (1). A fixed sleeve (7) is fixedly installed inside the filter tank (1). A rotating shaft (8) is rotatably connected inside the fixed sleeve (7). A filter cylinder (9) is fixedly installed at the bottom of the fixed sleeve (7). A sedimentation tank (11) is integrally connected to the bottom of the filter cylinder (9). A sewage discharge tank (10) is provided on the inner wall of the filter cylinder (9). A sewage discharge port (6) is provided at the bottom of the sedimentation tank (11). The top of the rotating shaft (8) is fixedly installed with the output end of the drive motor (5). A fixed cylinder (12) is fixedly installed at the bottom of the rotating shaft (8). A connecting plate (13) is fixedly installed on the outer circumference of the fixed cylinder (12). A scraper (14) is provided at the end of the connecting plate (13).

2. The screening mechanism for waste paper mill wastewater treatment according to claim 1, characterized in that, The sealing connection between the fixed sleeve (7) and the filter tank (1) is located below the sewage inlet (2), and the top of the fixed sleeve (7) is above the sewage inlet (2).

3. The screening mechanism for waste paper mill wastewater treatment according to claim 1, characterized in that, The rotating shaft (8) is fixedly installed with a partition plate (16) located at the connection between the fixed sleeve (7) and the filter cylinder (9). The diameter of the partition plate (16) is smaller than the inner diameter of the filter cylinder (9). A guide hole (17) is opened in the middle of the partition plate (16). The diameter of the fixed cylinder (12) is smaller than the distance between the symmetrical guide holes (17).

4. The screening mechanism for waste paper mill wastewater treatment according to claim 1, characterized in that, An elastic gasket (15) is provided at the connection between the connecting plate (13) and the fixed cylinder (12). The elastic gasket (15) is located between the connecting plate (13) and the fixed cylinder (12). The end of the scraper (14) slides in contact with the inner wall of the filter cylinder (9).

5. A screening mechanism for waste paper mill wastewater treatment according to claim 1, characterized in that, The bottom of the drain trough (10) is located at the bottom of the sedimentation tank (11). The interior of the drain trough (10) is arc-shaped. The drain trough (10) is vertically arranged on the inner wall of the filter cylinder (9).

6. A screening mechanism for waste paper mill wastewater treatment according to claim 1, characterized in that, The drain outlet (6) is sealed to the bottom of the filter tank (1), and the bottom of the sedimentation tank (11) is funnel-shaped.

7. A screening mechanism for waste paper mill wastewater treatment according to claim 1, characterized in that, The sewage inlet (2), outlet (3), cleaning water pipe (4) and sewage discharge outlet (6) are equipped with electrically controlled valves.

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