CN114436475A

CN114436475A - Papermaking waste water treatment is with sediment device that can carry out waste water purification

Info

Publication number: CN114436475A
Application number: CN202210132009.2A
Authority: CN
Inventors: 王梦玲
Original assignee: Individual
Current assignee: Shandong Jintanlin Paper Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-05-06
Anticipated expiration: 2042-02-14
Also published as: CN114436475B

Abstract

The invention discloses a precipitation device capable of purifying wastewater for treating papermaking wastewater, which relates to the technical field of wastewater treatment and comprises a water collecting frame, a fiber intercepting component, an upper precipitation frame and a lower precipitation frame, wherein a separating component is fixed below the inside of the water collecting frame, a first flocculating agent layer is arranged on the inner wall below the water collecting frame, the fiber intercepting component is arranged above the upper inside of the water collecting frame and comprises a servo motor, a rotating shaft, an intercepting and fishing net, a micro motor, a screw rod, a threaded sleeve, a movable rotating shaft, a movable outer frame and a cleaning brush, and the rotating shaft is arranged below the servo motor. This papermaking wastewater treatment is with sediment device that can carry out waste water purification is provided with and deposits the upper ledge and deposit the lower frame and be convenient for once deposit and secondary to waste water for precipitation effect is better, and can also purify waste water through purified water tank, can also get rid of the fibre solid object in the inside papermaking waste water of catchment frame through the interception of fibre interception subassembly in addition.

Description

Papermaking waste water treatment is with sediment device that can carry out waste water purification

Technical Field

The invention relates to the technical field of wastewater treatment, in particular to a precipitation device for wastewater purification for papermaking wastewater treatment.

Background

The waste water from paper making is harmful, the black liquor is the most harmful, the pollutant content is more than 90% of the total pollutant discharge amount in paper making industry, and the black liquor has high alkalinity, deep color, heavy odor and more foam, and consumes a large amount of dissolved oxygen in water, thus seriously polluting water source and bringing harm to environment and human health. The papermaking wastewater is firstly required to be precipitated in the treatment process of the papermaking wastewater, and the precipitation is to make suspended substances (mainly precipitable solids) in the wastewater sink under the action of gravity so as to be separated from the wastewater, so that the water quality becomes clear, and a precipitation device is required.

The existing precipitation device is simple in structure, is inconvenient to remove fiber solids suspended in the papermaking wastewater, and cannot realize sufficient purification and precipitation, so that the precipitation device capable of purifying the wastewater for treating the papermaking wastewater is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a precipitation device for purifying waste water for treating papermaking waste water, which solves the problems in the background technology.

In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a papermaking waste water treatment is with deposiing device that can carry out waste water purification, includes catchment frame, fibre interception subassembly, deposits the upper ledge and deposits the lower ledge, the inside below of catchment frame is fixed with the partition subassembly, and the below inner wall of catchment frame is provided with first flocculating agent layer, fibre interception subassembly is installed in the inside upper place of catchment frame, and fibre interception subassembly includes servo motor, rotation axis, interception scoop net, micro motor, lead screw, threaded sleeve, activity pivot, activity frame and clearance brush, servo motor's downside is provided with the rotation axis, and the outside of rotation axis is fixed with interception scoop net, micro motor is installed to servo motor's both sides, and one side of micro motor is provided with the lead screw, the externally mounted of lead screw has threaded sleeve, and threaded sleeve's below is installed the activity frame through the rotation of activity pivot, the activity frame is located the outside of interception scoop net, and the inner wall of activity frame is fixed with the cleaning brush, deposit the upper ledge and install in the below of frame that catchments, and catchment the frame and deposit and be connected with the drain pipe between the upper ledge, the inner wall of depositing the upper ledge is fixed with the second flocculating agent layer, and the bottom of depositing the upper ledge is provided with active silt layer, the outside both sides of depositing the upper ledge are connected with the delivery pipe, and the below of delivery pipe installs purifying water tank, deposit the lower ledge and install in purifying water tank's below, and the internally mounted who deposits the lower ledge has the aqueduct, the inner wall of depositing the lower ledge is provided with the third flocculating agent layer, and is fixed with quartz sand filtering layer in the middle of the inside of depositing the lower ledge, the middle part rear side of depositing the lower ledge is provided with the outlet, and the bottom of depositing the lower ledge is connected with the blow off pipe.

Further, the partition assembly comprises a partition plate, a bamboo charcoal layer and a hollow through groove, the bamboo charcoal layer is fixed on two sides of the partition plate, and the hollow through groove is formed in the partition plate and the bamboo charcoal layer.

Furthermore, six groups of the partition plates are symmetrically and uniformly distributed on the central line of the water collecting frame, and the hollow through grooves of the partition plates are arranged at equal intervals.

Furthermore, the intercepting and fishing nets form a rotating structure through the servo motor and the rotating shaft, and the intercepting and fishing nets are symmetrically distributed around the central line of the water collecting frame.

Furthermore, the movable outer frame is of an inverted U-shaped structure, the vertical center line of the movable outer frame coincides with the vertical center line of the intercepting and fishing net, and the inner side face of the cleaning brush on the inner wall of the movable outer frame is attached to the outer side face of the intercepting and fishing net.

Further, the top inboard of flow pipe is fixed with the filter screen, and the outside one side of filter screen is installed and is prevented stifled subassembly, prevent stifled subassembly including fixed plate, rotating electrical machines, motor shaft, prevent stifled brush board and scale removal tooth, the inside top both sides of depositing the upper ledge all are fixed with the fixed plate, and one side of fixed plate installs the rotating electrical machines, one side of rotating electrical machines is provided with the motor shaft, and one side of motor shaft is fixed with prevents stifled brush board, the inner wall of preventing stifled brush board is fixed with the scale removal tooth.

Further, the aeration subassembly is installed to the below in the inside of purified water tank, and the aeration subassembly includes aeration subassembly, biological filter layer, aeration pipe, connecting pipe and aeration export, activated carbon filter layer, biological filter layer and aeration pipe are installed from top to bottom in proper order to purified water tank's inside, and are fixed with the connecting pipe between the aeration pipe, the below both sides of aeration pipe all are provided with the aeration export.

Furthermore, the symmetry centers of the activated carbon filter layer and the biological filter layer coincide with the symmetry center of the purified water tank, and the aeration pipes in the purified water tank are distributed at equal intervals.

Furthermore, the aqueduct is of an arc-shaped structure, the outlet of the aqueduct faces one side of the third flocculating agent layer, and the third flocculating agent layer is of a structure shaped like a Chinese character 'shan'.

Further, the frame that catchments is through the drain pipe and deposit intercommunication each other between the upper ledge, and deposit intercommunication each other between the upper ledge through flow pipe and the purified water tank to purified water tank passes through the aqueduct and deposits intercommunication each other between the lower frame.

The invention provides a precipitation device for treating papermaking wastewater and purifying the wastewater, which has the following beneficial effects:

this papermaking wastewater treatment is with sediment device that can carry out waste water purification is provided with and deposits the upper ledge and deposit the lower ledge and be convenient for once deposit and secondary to waste water for precipitation effect is better, and can also purify waste water through purifying water tank, in addition, can also get rid of the fibre solid object in the inside papermaking waste water of catchment frame through the interception of fibre interception subassembly.

1. This papermaking wastewater treatment is with sediment device that can carry out waste water purification is provided with catchment frame and partition subassembly, the division board through six evenly distributed groups can be divided into six spaces with the inside below of catchment frame, so that when driving the waste water flow of catchment frame inside through fibre interception subassembly, waste water can lead to the groove and contact with the bamboo charcoal layer through the cavity and carry out preliminary absorption and purification, waste water flow can strike the inner wall on first flocculating agent layer and contact with first flocculating agent layer simultaneously, accelerate the subsequent sedimentation rate of waste water.

2. This papermaking waste water treatment is with sediment device that can carry out waste water purification is provided with fibre interception subassembly, be convenient for drive the rotation of interception scoop net through servo motor and rotation axis, can drive the inside waste water of catchment frame on the one hand and flow, on the other hand can catch the fibrous solid matter of the inside top suspension of catchment frame through the interception scoop net, be convenient for drive the rotation of lead screw through micro motor, thereby can drive the removal of threaded sleeve and activity frame, make the clearance brush of activity frame inner wall can clear up the fibrous solid matter on interception scoop net surface and strike off, be convenient for rotate the activity frame through the activity pivot, make the activity frame can upwards rotate, and then conveniently clear up the clearance brush.

3. This papermaking wastewater treatment is with sediment device that can carry out waste water purification is provided with the filter screen and prevents stifled subassembly, be convenient for filter the waste water that enters into the water supply pipe through the filter screen, avoid the condition that the water supply pipe blockked up to appear, be convenient for drive through rotating electrical machines and motor shaft and prevent stifled brush board and the rotation of scale removal tooth, make and prevent stifled brush board and scale removal tooth and can clear up the surface of filter screen, the while scale removal tooth can rotate the plug on filter screen surface and pulverize, thereby make things convenient for the filtration use of filter screen.

4. This papermaking waste water treatment is with sediment device that can carry out waste water purification is provided with purified water tank and aeration subassembly, be convenient for carry out filtration purification to the inside waste water of purified water tank through active carbon filter layer and biological filter layer, external aeration fan can aerate through connecting pipe and aeration pipe, make oxygen can provide oxygen for biological filter layer through the aeration export blowout of below both sides, so that carry out biochemical degradation to waste water through biological filter layer, the aeration export is located the degradation thing that biological filter layer produced and sinks to block up the aeration export in the below both sides of aeration pipe.

5. The sedimentation device for wastewater purification for papermaking wastewater treatment is provided with a composite component, a second flocculating agent layer in a sedimentation upper frame can improve the sedimentation efficiency of wastewater, the wastewater is subjected to primary sedimentation, the wastewater in the sedimentation upper frame can enter a purification water tank through a water feeding pipe for purification treatment, the wastewater in the purification water tank can enter a sedimentation lower frame through a water guide pipe, the water guide pipe in an arc-shaped structure is convenient for guiding the water flow, the downward impact of the water flow on sediment at the bottom is avoided, the water flow impacts one side of a third flocculating agent layer and is fully contacted with the third flocculating agent layer in a structure like a Chinese character 'shan', so that the sedimentation efficiency of the wastewater is improved, the wastewater is subjected to secondary sedimentation, the wastewater can be subjected to secondary filtration and purification through a quartz sand filter layer, and the precipitated and purified wastewater is discharged through a water outlet, for subsequent reprocessing.

Drawings

FIG. 1 is a schematic front view of the internal structure of the present invention;

FIG. 2 is a schematic top view of a partition assembly according to the present invention;

FIG. 3 is a schematic top view of an intercepting scoop according to the present invention;

FIG. 4 is a schematic front view of a fiber intercepting component of the present invention;

FIG. 5 is a side view of the movable outer frame of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 7 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 8 is a schematic view of the internal structure of the lower frame of the present invention.

In the figure: 1. a water collecting frame; 2. a partition assembly; 201. a partition plate; 202. a bamboo charcoal layer; 203. a hollow through groove; 3. a first flocculant layer; 4. a drain pipe; 5. a fiber intercept assembly; 501. a servo motor; 502. a rotating shaft; 503. intercepting a fishing net; 504. a micro motor; 505. a screw rod; 506. a threaded sleeve; 507. a movable rotating shaft; 508. a movable outer frame; 509. cleaning a brush; 6. depositing and putting on a frame; 7. a second flocculant layer; 8. an active sludge layer; 9. a water supply pipe; 10. a filter screen; 11. an anti-clogging component; 1101. a fixing plate; 1102. a rotating electric machine; 1103. a motor shaft; 1104. anti-blocking brushing plates; 1105. descaling teeth; 12. a purified water tank; 13. an active carbon filter layer; 14. an aeration assembly; 1401. a biological filter layer; 1402. an aeration pipe; 1403. a connecting pipe; 1404. an aeration outlet; 15. depositing and putting the frame; 16. a water conduit; 17. a third flocculant layer; 18. a quartz sand filter layer; 19. a water outlet; 20. a sewage discharge pipe.

Detailed Description

Referring to fig. 1 to 8, the present invention provides a technical solution: a precipitation device for papermaking wastewater treatment and capable of purifying wastewater comprises a water collecting frame 1, a fiber intercepting component 5, an upper precipitation frame 6 and a lower precipitation frame 15, wherein a separating component 2 is fixed below the inside of the water collecting frame 1, a first flocculating agent layer 3 is arranged on the inner wall of the lower part of the water collecting frame 1, the fiber intercepting component 5 is installed above the upper inside of the water collecting frame 1, the fiber intercepting component 5 comprises a servo motor 501, a rotating shaft 502, an intercepting fishing net 503, a micro motor 504, a screw rod 505, a threaded sleeve 506, a movable rotating shaft 507, a movable outer frame 508 and a cleaning brush 509, the rotating shaft 502 is arranged on the lower side of the servo motor 501, the fishing net 503 is fixed on the outer side of the rotating shaft 502, the micro motor 504 is installed on two sides of the servo motor 501, the screw rod 505 is arranged on one side of the micro motor 504, the threaded sleeve 506 is installed on the outer side of the screw rod 505, and the movable outer frame 508 is rotatably installed below the threaded sleeve 506 through a movable rotating shaft 507, the movable outer frame 508 is located the outside of intercepting scoop net 503, and the inner wall of movable outer frame 508 is fixed with cleaning brush 509, it installs in the below of frame 1 that catchments to deposit upper ledge 6, and catchment frame 1 and deposit and be connected with drain pipe 4 between the upper ledge 6, the inner wall of depositing upper ledge 6 is fixed with second flocculating agent layer 7, and the bottom of depositing upper ledge 6 is provided with active silt layer 8, the outside both sides of depositing upper ledge 6 are connected with delivery pipe 9, and the below of delivery pipe 9 installs purifying water tank 12, it installs in the below of purifying water tank 12 to deposit lower ledge 15, and the internally mounted who deposits lower ledge 15 has aqueduct 16, the inner wall that deposits lower ledge 15 is provided with third flocculating agent layer 17, and it is fixed with quartz sand filtering layer 18 to deposit one side in the middle of the inside of lower ledge 15, the middle part rear side that deposits lower ledge 15 is provided with outlet 19, and the bottom of depositing lower ledge 15 is connected with blow off pipe 20.

Referring to fig. 1, the water collecting frame 1 is communicated with the upper settling frame 6 through the water discharging pipe 4, the upper settling frame 6 is communicated with the purified water tank 12 through the water feeding pipe 9, and the purified water tank 12 is communicated with the lower settling frame 15 through the water guiding pipe 16;

the inside waste water of frame 1 that catchments can enter into the inside of deposiing upper ledge 6 through drain pipe 4, the precipitation efficiency that can improve waste water deposits on the inside second flocculating agent layer 7 of frame 6, once deposit waste water, the inside waste water of frame 6 that deposits can enter into the inside of purifying water tank 12 through water supply pipe 9 and carry out purification treatment, the inside waste water of purifying water tank 12 can enter into the inside of deposiing lower ledge 15 through aqueduct 16 and carry out the secondary and deposit, make the precipitation effect better.

Referring to fig. 2, the partition assembly 2 includes a partition plate 201, a bamboo charcoal layer 202 and a hollow through groove 203, the bamboo charcoal layer 202 is fixed on both sides of the partition plate 201, and the hollow through groove 203 is formed inside the partition plate 201 and the bamboo charcoal layer 202; six groups of the partition boards 201 are symmetrically and uniformly distributed around the central line of the water collecting frame 1, and the hollow through grooves 203 of the partition boards 201 are arranged at equal intervals;

the concrete operation is as follows, division board 201 through six evenly distributed groups can be divided into six spaces with the inside below of frame 1 that catchments to in the time of driving the waste water of frame 1 inside through fibre interception subassembly 5 and flowing, waste water can lead to groove 203 and contact with bamboo charcoal layer 202 through the cavity and carry out preliminary absorption and purification, and waste water flows the inner wall that can assault first flocculating agent layer 3 and contacts with first flocculating agent layer 3 simultaneously, accelerates the subsequent sedimentation rate of waste water.

Referring to fig. 1 and 3-5, the intercepting scoop net 503 forms a rotating structure with the water collecting frame 1 through the servo motor 501 and the rotating shaft 502, and the intercepting scoop net 503 is symmetrically distributed with respect to the center line of the water collecting frame 1; the movable outer frame 508 is in an inverted U-shaped structure, the vertical center line of the movable outer frame 508 is overlapped with the vertical center line of the interception scoop net 503, and the inner side surface of the cleaning brush 509 on the inner wall of the movable outer frame 508 is attached to the outer side surface of the interception scoop net 503;

be convenient for drive the rotation of interception scoop net 503 through servo motor 501 and rotation axis 502, can drive the inside waste water of catchment frame 1 on the one hand and flow, on the other hand can catch the fibrous solid matter of the inside top suspension of catchment frame 1 through interception scoop net 503, be convenient for drive the rotation of lead screw 505 through micro motor 504, thereby can drive threaded sleeve 506 and activity frame 508's removal, make the clearance brush 509 of activity frame 508 inner wall can clear up the fibrous solid matter on interception scoop net 503 surface and scrape, be convenient for rotate activity frame 508 through activity pivot 507, make activity frame 508 can upwards rotate, and then conveniently clear up clearance brush 509.

Referring to fig. 1 and 6, a filter screen 10 is fixed on the inner side of the top end of a water supply pipe 9, an anti-blocking assembly 11 is installed on one side of the outer portion of the filter screen 10, the anti-blocking assembly 11 includes a fixing plate 1101, a rotating motor 1102, a motor shaft 1103, an anti-blocking brushing plate 1104 and descaling teeth 1105, the fixing plate 1101 is fixed on both sides of the upper portion of the inner portion of the upper settling frame 6, the rotating motor 1102 is installed on one side of the fixing plate 1101, the motor shaft 1103 is installed on one side of the rotating motor 1102, the anti-blocking brushing plate 1104 is fixed on one side of the motor shaft 1103, and the descaling teeth 1105 are fixed on the inner wall of the anti-blocking brushing plate 1104;

the specific operation is as follows, be convenient for filter the waste water that enters into water supply pipe 9 through filter screen 10, avoid water supply pipe 9 the condition of jam to appear, be convenient for drive through rotating electrical machines 1102 and motor shaft 1103 and prevent stifled brush board 1104 and the rotation of scale removal tooth 1105, make prevent stifled brush board 1104 and scale removal tooth 1105 and can clear up the surface of filter screen 10, scale removal tooth 1105 can rotate the plug on filter screen 10 surface simultaneously and pulverize, thereby make things convenient for the filtration use of filter screen 10.

Referring to fig. 1 and 7, an aeration assembly 14 is installed at the middle lower part inside a purified water tank 12, the aeration assembly 14 includes the aeration assembly 14, a biological filter layer 1401, an aeration pipe 1402, a connecting pipe 1403 and aeration outlets 1404, an activated carbon filter layer 13, the biological filter layer 1401 and the aeration pipe 1402 are sequentially installed inside the purified water tank 12 from top to bottom, the connecting pipe 1403 is fixed between the aeration pipes 1402, and the aeration outlets 1404 are respectively installed at the lower two sides of the aeration pipe 1402; the symmetric centers of the activated carbon filter layer 13 and the biological filter layer 1401 are superposed with the symmetric center of the purified water tank 12, and the aeration pipes 1402 in the purified water tank 12 are distributed at equal intervals;

the operation is as follows, the waste water inside the purified water tank 12 is conveniently filtered and purified through the activated carbon filter layer 13 and the biological filter layer 1401, the external aeration fan can perform aeration through the connecting pipe 1403 and the aeration pipe 1402, so that oxygen can be sprayed out through the aeration outlets 1404 on two sides below to provide oxygen for the biological filter layer 1401, the waste water is conveniently biochemically degraded through the biological filter layer 1401, and the aeration outlets 1404 are located on two sides below the aeration pipe 1402 to prevent degradation products generated by the biological filter layer 1401 from sinking to block the aeration outlets 1404.

Referring to fig. 8, the water conduit 16 is an arc-shaped structure, an outlet of the water conduit 16 faces one side of the third flocculant layer 17, and the third flocculant layer 17 is a structure shaped like a Chinese character 'shan';

the aqueduct 16 that is arc column structure is convenient for guide rivers, avoid rivers to strike the precipitate of bottom downwards, make rivers strike to third flocculating agent layer 17 one side, and with the third flocculating agent layer 17 full contact that is "mountain" font structure, so that improve the precipitation efficiency of waste water, carry out the secondary to waste water and deposit, can carry out the refilter purification to waste water through quartz sand filtering layer 18, be convenient for discharge through outlet 19 and deposit and the waste water after purifying, so that carry out subsequent retreatment.

In conclusion, when the settling device for wastewater purification for papermaking wastewater treatment is used, papermaking wastewater can be firstly sent into the water collecting frame 1, then the servo motor 501 and the rotating shaft 502 drive the interception fishing net 503 to rotate, on one hand, wastewater in the water collecting frame 1 can be driven to flow, so that the wastewater can pass through the hollow through groove 203 of the partition plate 201 and contact with the bamboo charcoal layer 202 for preliminary adsorption and purification, meanwhile, the wastewater can impact the inner wall of the first flocculating agent layer 3 to contact with the first flocculating agent layer 3 to accelerate the subsequent settling speed of the wastewater, on the other hand, the interception fishing net 503 can catch fibrous solid matters suspended above the inside of the water collecting frame 1, and the micro motor 504 can drive the screw rod 505 to rotate, so as to drive the threaded sleeve 506 and the movable outer frame 508 to move, so that the cleaning brush 509 on the inner wall of the movable outer frame 508 can clean the fibrous solid matters on the surface of the interception fishing net 503, and can rotate the movable outer frame 508 through the movable rotating shaft 507, so that the movable outer frame 508 can rotate upwards, and further the cleaning brush 509 is conveniently cleaned

Then the inside waste water of frame 1 that catchments can enter into the inside of deposiing upper ledge 6 through drain pipe 4, the precipitation efficiency of waste water can be improved to the inside second flocculating agent layer 7 of frame 6 that deposits, once deposit waste water, simultaneously active silt layer 8 can purify waste water, then waste water can enter into the inside of purifying water tank 12 through flow pipe 9, in this process, can filter the waste water that gets into flow pipe 9 through filter screen 10, avoid flow pipe 9 the condition of blockking up to appear, can drive the rotation of brush board 1104 and descaling tooth 1105 through rotating electrical machines 1102 and motor shaft 1103 simultaneously, make anti-blocking brush board 1104 and descaling tooth 1105 can clear up the surface of filter screen 10, and utilize descaling tooth 1105 can rotate the plug on filter screen 10 surface and pulverize, thereby make things convenient for the filtration of filter screen 10 to use and prevent stifled up the rotation of stifled brush board 1104 and descaling tooth 1105

Then activated carbon filter layer 13 and biological filter layer 1401 inside purified water tank 12 can filter the waste water inside purified water tank 12 and purify to external aeration fan can be aerated through connecting pipe 1403 and aeration pipe 1402, makes oxygen can provide oxygen for biological filter layer 1401 through the aeration export 1404 blowout of below both sides, so that carry out biochemical degradation to waste water through biological filter layer 1401, and in this process, aeration export 1404 is located the below both sides of aeration pipe 1402 can avoid biological filter layer 1401 produced degradation thing to sink and block aeration export 1404.

Then the inside waste water of purified water tank 12 can enter into the inside of deposiing lower frame 15 through aqueduct 16, aqueduct 16 that is the arc column structure this moment can guide rivers, avoid rivers downward impact the precipitate of bottom, make rivers strike to third flocculating agent layer 17 one side, and fully contact with third flocculating agent layer 17 that is "mountain" font structure, so that improve the precipitation efficiency of waste water, carry out the secondary to waste water and precipitate, then can carry out refilter purification to waste water through quartz sand filtering layer 18, can discharge the waste water after sediment and the purification through outlet 19 at last, so that carry out subsequent waste water retreatment, and can discharge the solid impurity after the sediment through blow off pipe 20 of below regularly, just so accomplish the use of whole papermaking waste water treatment with the sediment device that can carry out waste water purification.

Claims

1. The utility model provides a papermaking waste water treatment is with deposiing device that can carry out waste water purification, its characterized in that includes catchment frame (1), fibre interception subassembly (5), deposits upper ledge (6) and deposits lower ledge (15), the inside below of catchment frame (1) is fixed with partition subassembly (2), and the below inner wall of catchment frame (1) is provided with first flocculating agent layer (3), fibre interception subassembly (5) are installed in the inside middle upper place of catchment frame (1), and fibre interception subassembly (5) include servo motor (501), rotation axis (502), catch net (503), micro motor (504), lead screw (505), threaded sleeve (506), activity pivot (507), activity frame (508) and clearance brush (509), the downside of servo motor (501) is provided with rotation axis (502), and the outside of rotation axis (502) is fixed with catch net (503), the novel fishing net is characterized in that micro motors (504) are installed on two sides of the servo motor (501), a screw rod (505) is arranged on one side of each micro motor (504), a threaded sleeve (506) is installed on the outer portion of each screw rod (505), a movable outer frame (508) is installed below the threaded sleeve (506) in a rotating mode through a movable rotating shaft (507), the movable outer frame (508) is located on the outer portion of the intercepting fishing net (503), a cleaning brush (509) is fixed on the inner wall of the movable outer frame (508), the sedimentation upper frame (6) is installed below the water collecting frame (1), a drain pipe (4) is connected between the water collecting frame (1) and the sedimentation upper frame (6), a second flocculating agent layer (7) is fixed on the inner wall of the sedimentation upper frame (6), an active sludge layer (8) is arranged at the bottom of the sedimentation upper frame (6), and water conveying pipes (9) are connected with two sides of the outer portion of the sedimentation upper frame (6), and install purifying water tank (12) below of water supply pipe (9), deposit lower frame (15) and install in the below of purifying water tank (12), and the internally mounted who deposits lower frame (15) has aqueduct (16), the inner wall that deposits lower frame (15) is provided with third flocculating agent layer (17), and is fixed with quartz sand filtering layer (18) in the middle of the inside of depositing lower frame (15), the middle part rear side that deposits lower frame (15) is provided with outlet (19), and the bottom of depositing lower frame (15) is connected with blow off pipe (20).

2. The settling device for the treatment of paper-making wastewater and purifying wastewater as claimed in claim 1, wherein the partition component (2) comprises a partition plate (201), a bamboo charcoal layer (202) and a hollow through groove (203), the bamboo charcoal layer (202) is fixed on both sides of the partition plate (201), and the hollow through groove (203) is formed inside the partition plate (201) and the bamboo charcoal layer (202).

3. The settling device for wastewater purification in paper-making wastewater treatment according to claim 2, wherein six groups of the partition boards (201) are symmetrically and uniformly distributed about the center line of the water collection frame (1), and the hollow through grooves (203) of the partition boards (201) are arranged at equal intervals.

4. The settling device for paper-making wastewater treatment and wastewater purification according to claim 1, wherein the intercepting scoops (503) form a rotating structure with the water collecting frame (1) through the servo motor (501) and the rotating shaft (502), and the intercepting scoops (503) are symmetrically distributed about the center line of the water collecting frame (1).

5. The settling device for papermaking wastewater treatment and wastewater purification as claimed in claim 1, wherein the movable outer frame (508) is in an inverted "U" shape, the vertical center line of the movable outer frame (508) coincides with the vertical center line of the intercepting scoop net (503), and the inner side surface of the cleaning brush (509) on the inner wall of the movable outer frame (508) is attached to the outer side surface of the intercepting scoop net (503).

6. The settling device capable of purifying waste water for treating papermaking waste water according to claim 1, wherein a filter screen (10) is fixed on the inner side of the top end of the water supply pipe (9), an anti-blocking component (11) is installed on one side of the outside of the filter screen (10), the anti-blocking component (11) comprises a fixing plate (1101), a rotating motor (1102), a motor shaft (1103), an anti-blocking brushing plate (1104) and descaling teeth (1105), the fixing plate (1101) is fixed on both sides of the upper side of the inner portion of the settling upper frame (6), the rotating motor (1102) is installed on one side of the fixing plate (1101), the motor shaft (1103) is arranged on one side of the rotating motor (1102), the anti-blocking brushing plate (1104) is fixed on one side of the motor shaft (1103), and the descaling teeth (1105) are fixed on the inner wall of the anti-blocking brushing plate (1104).

7. The settling device for wastewater purification in paper-making wastewater treatment according to claim 1, wherein an aeration component (14) is installed in the middle and below of the inside of the purification water tank (12), the aeration component (14) comprises an aeration component (14), a biological filter layer (1401), an aeration pipe (1402), a connecting pipe (1403) and an aeration outlet (1404), the inside of the purification water tank (12) is sequentially provided with an activated carbon filter layer (13), the biological filter layer (1401) and the aeration pipe (1402) from top to bottom, the connecting pipe (1403) is fixed between the aeration pipes (1402), and the aeration outlet (1404) is arranged on each of two sides below the aeration pipe (1402).

8. The settling device for wastewater purification in paper-making wastewater treatment according to claim 7, wherein the centers of symmetry of the activated carbon filter layer (13) and the biological filter layer (1401) coincide with the center of symmetry of the purified water tank (12), and the aeration pipes (1402) inside the purified water tank (12) are distributed at equal intervals.

9. The settling device for wastewater purification in paper-making wastewater treatment according to claim 1, wherein the water conduit (16) is of an arc-shaped structure, the outlet of the water conduit (16) faces one side of the third flocculating agent layer (17), and the third flocculating agent layer (17) is of a structure like a Chinese character 'shan'.

10. The settling device for paper making wastewater treatment capable of wastewater purification according to claim 1, wherein the water collecting frame (1) is communicated with the settling upper frame (6) through the drain pipe (4), the settling upper frame (6) is communicated with the purified water tank (12) through the water feeding pipe (9), and the purified water tank (12) is communicated with the settling lower frame (15) through the water guide pipe (16).