A papermaking wastewater filtering device

Abstract

The utility model relates to the technical field of wastewater filtration, and discloses a papermaking wastewater filtration device, including a shell and a bracket installed on the side of the shell, a vibration filter component is installed on the bracket, the vibration filter component is respectively connected to a reciprocating vibration filter frame and a rotatable brush shaft, the brush shaft is rotatably connected to the vibration filter frame, a filtrate rotor is rotatably sleeved on the brush shaft, the brush shaft and the filtrate rotor are linked, a plurality of groups of filtrate holes distributed in a linear array are provided on the filtrate rotor, a spiral brush blade is installed on the brush shaft, the spiral brush blade is fitted with the filtrate rotor, and a retaining cylinder is arranged on the outside of the filtrate rotor. The utility model can effectively improve the filtration rate of papermaking wastewater from the filtrate hole through the centrifugal throwing principle and the vibration dehydration principle through the occurrence of the filtrate rotor oscillation motion, and can effectively reduce the generation rate of water diaphragm on the inner wall of the filtrate hole through vibration.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater filtration, and more specifically, to papermaking wastewater filtration equipment. Background Art

[0002] Papermaking enterprises produce a large amount of papermaking pulp during the production process, which contains a large amount of organic matter such as cellulose, lignin and sugars. If these substances are discharged directly without treatment or improperly treated, they will seriously pollute the environment.

[0003] In the prior art, a patent document with publication number CN210728885U discloses a papermaking wastewater filter, comprising a bottom plate, a support leg fixedly connected to the bottom side of the bottom plate, a separation filter box fixedly connected to the top side of the bottom plate, a common filter box fixedly connected to the top side of the separation filter box, a liquid inlet pipe fixedly connected to the top side of the common filter box, a liquid discharge pipe fixedly connected to one side of the separation filter box, a first filter plate provided inside the common filter box, a connection mechanism provided on the side of the first filter plate that conflicts with the inner side wall of the common filter box, and the filter can be Different impurities are filtered differently and refined layer by layer to ensure that the final filtration is clean and poor filtration will not occur. However, when filtering wastewater, the above-mentioned filtration equipment is not convenient for increasing the filtration rate of sewage and reducing the water diaphragm on the inner wall of the filtrate hole through the vortex motion of the filtrate structure. On the other hand, it is not convenient to increase the filtration pressure of sewage through the periodic closure of the filtrate structure, thereby reducing the blockage rate of the filtrate structure. Based on this, the utility model provides a papermaking wastewater filtration equipment to solve the technical problems raised in the above-mentioned background technology. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a papermaking wastewater filtration equipment, which, through the vortex motion of the filtrate drum, can effectively improve the filtration rate of papermaking wastewater from the filtrate hole through the centrifugal throwing principle and the vibration deliquescence principle, and on the other hand, can effectively reduce the water diaphragm generation rate on the inner wall of the filtrate hole through vibration.

[0005] The utility model solves the technical problem by adopting the technical scheme: a papermaking wastewater filtering device comprises a shell and a bracket installed on the side of the shell, the bracket is provided with a vibration filter component, the vibration filter component is respectively connected with a vibration filter frame which can move back and forth and a rotatable brush shaft, the brush shaft is rotatably connected with the vibration filter frame, a filtrate rotary drum is rotatably sleeved on the brush shaft, the brush shaft and the filtrate rotary drum are linked, a plurality of groups of filtrate holes distributed in a linear array are provided on the filtrate rotary drum, a spiral brush blade is installed on the brush shaft, the spiral brush blade is fitted with the filtrate rotary drum, a retaining cylinder is provided on the outer side of the filtrate rotary drum, the retaining cylinder is rotatably connected with the shell, the retaining cylinder and the filtrate rotary drum rotate at the same speed, a plurality of groups of liquid permeable holes are provided on the retaining cylinder, an anti-cleaning component is installed on the top of the shell, a liquid outlet component is provided at the lower part of the shell, and a sewage inlet pipe is installed on the shell and at a position corresponding to the inner side of the filtrate rotary drum.

[0006] As an optimal technical solution of the utility model, the vibration filter component includes a motor fixed on a bracket, a driving shaft rotatably connected to the bracket, a differential shaft a and a differential shaft b, the output shaft end of the motor is fixedly connected to the driving shaft, and the differential shaft a and the differential shaft b are both driven by the driving shaft, a slave vibration tooth plate is installed on the vibration filter frame, a half-face gear is fixedly installed on the differential shaft a, and the half-face gear is transmission-connected to the slave vibration tooth plate, a re-vibration spring is installed between the relative surfaces of the vibration filter frame and the bracket, an external gear is fixedly installed on the differential shaft b, an inner gear ring transmission-connected to the external gear is fixedly installed on the retaining cylinder, a transmission guide groove slidingly connected to the driving shaft is fixedly opened inside the brush shaft, and the cross-sections of the transmission guide groove and the driving shaft are both regular polygons.

[0007] As an optimal technical solution of the utility model, a differential shaft c is rotatably connected to the vibration filter frame, passive bevel gears are installed at the tail of the brush shaft and the filtrate rotor, an intermediate bevel gear is installed on the differential shaft c, the two passive bevel gears are transmission-connected to the intermediate bevel gears, and the intermediate bevel gears are arranged between the two passive bevel gears.

[0008] As a preferred technical solution of the utility model, the aperture of the liquid permeable hole is 1.2 times the aperture of the filtrate hole, and the axes of the liquid permeable hole and the filtrate hole are perpendicular to the axis of the filtrate rotary drum.

[0009] As a preferred technical solution of the utility model, the reciprocating motion direction of the vibration filter frame is the same as the axial direction of the filtrate rotary drum.

[0010] As a preferred technical solution of the utility model, the liquid outlet component includes a clean liquid discharge chamber and a sewage discharge chamber which are opened at the lower part of the shell and isolated from each other. The clean liquid discharge chamber and the sewage discharge chamber are both arranged directly below the filtrate rotary drum, and the bottoms of the clean liquid discharge chamber and the sewage discharge chamber are connected to a drain valve.

[0011] As a preferred technical solution of the utility model, the anti-cleaning component includes an anti-cleaning pipe fixed to the top of the shell and an anti-cleaning pump fixed on the shell, the air outlet port of the anti-cleaning pump is fixedly connected to the anti-cleaning pipe, and the bottom surface of the anti-cleaning pipe is evenly distributed with a group of anti-cleaning spray holes with the air outlet direction vertically downward.

[0012] As a preferred technical solution of the utility model, one end of the sewage inlet pipe is fixedly connected with a flange joint, and a group of sewage spray holes pointing vertically downward are evenly distributed on the bottom surface of the sewage inlet pipe.

[0013] As a preferred technical solution of the utility model, the filtrate rotary drum has an opening at one end away from the motor.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model sets the reciprocating motion direction of the vibration filter frame to be the same as the axial direction of the filtrate cyclone, so that the filtrate cyclone can reciprocate left and right along the axial direction of the filtrate cyclone during the rotation. Through the vortex motion of the filtrate cyclone, on the one hand, the filtration rate of papermaking wastewater from the filtrate hole can be effectively improved through the centrifugal throwing principle and the vibration deliquescence principle. On the other hand, the generation rate of water diaphragm on the inner wall of the filtrate hole can be effectively reduced through vibration, thereby reducing the blockage rate of the filtrate hole by the water diaphragm, thereby reducing the influence of the water diaphragm on the sewage filtration rate.

[0016] 2. The utility model realizes the relative movement between the filtrate cyclone and the retaining cylinder so that the filtrate hole can be periodically connected with the permeable hole. The periodic connection state between the filtrate hole and the permeable hole is set to increase the sewage pressure in the filtrate cyclone. The blockage rate of the filtrate hole caused by impurities in the wastewater is reduced by increasing the sewage pressure. When the filtrate is in operation, the conveying direction of the spiral brush blade is toward the sewage discharge chamber, and then the sewage filtered out of the filtrate cyclone is conveyed to the sewage discharge chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 This is a structural schematic diagram of a papermaking wastewater filtering device of the utility model;

[0019] Figure 2 For this utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0020] Figure 3 For this utility model Figure 2 A schematic diagram of the local enlarged structure at point A in the middle;

[0021] Figure 4 For this utility model Figure 2 A schematic diagram of the local enlarged structure at B in the middle;

[0022] Figure 5 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point C in the middle.

[0023] In the figure: 1. Shell; 2. Bracket; 3. Vibrating filter frame; 4. Brush shaft; 5. Filtrate rotary drum; 6. Filtrate hole; 7. Spiral brush blade; 8. Baffle cylinder; 9. Liquid permeability hole; 10. Sewage inlet pipe; 11. Motor; 12. Driving shaft; 13. Differential shaft a; 14. Differential shaft b; 15. Vibrating tooth plate; 16. Half-face gear; 17. Re-vibration spring; 18. Differential shaft c; 19. Clean liquid discharge chamber; 20. Sewage discharge chamber; 21. Drain valve; 22. Anti-cleaning pipe; 23. Anti-cleaning pump; 24. Sewage spray hole. DETAILED DESCRIPTION

[0024] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] like Figures 1 to 5 As shown, the utility model provides a papermaking wastewater filtering device, comprising a housing 1 and a bracket 2 installed on the side of the housing 1, a vibration filter component is installed on the bracket 2, and the vibration filter component is respectively connected to a reciprocating vibration filter frame 3 and a rotatable brush shaft 4, and the brush shaft 4 is rotatably connected to the vibration filter frame 3;

[0027] The vibration filter component includes a motor 11 fixed on the bracket 2, a driving shaft 12 rotatably connected to the bracket 2, a differential shaft a13 and a differential shaft b14, the output shaft end of the motor 11 is fixedly connected to the driving shaft 12, and the differential shaft a13 and the differential shaft b14 are both driven by the driving shaft 12, a slave vibration tooth plate 15 is installed on the vibration filter frame 3, a half-face gear 16 is fixedly installed on the differential shaft a13, and the half-face gear 16 is transmission-connected to the slave vibration tooth plate 15, a re-vibration spring 17 is installed between the relative surfaces of the vibration filter frame 3 and the bracket 2, an external gear is fixedly installed on the differential shaft b14, and an inner gear ring transmission-connected to the external gear is fixedly installed on the retaining cylinder 8;

[0028] A transmission guide groove is fixedly provided inside the brush shaft 4 and is slidably connected to the driving shaft 12. The cross sections of the transmission guide groove and the driving shaft 12 are both regular polygons.

[0029] By setting the transmission guide groove and the regular polygonal cross section of the driving shaft 12, the driving shaft 12 can continuously drive the brush shaft 4 when the brush shaft 4 moves;

[0030] The reciprocating motion direction of the vibration filter frame 3 is the same as the axial direction of the filtrate rotary drum 5;

[0031] The reciprocating direction of the vibration filter frame 3 is set to be the same as the axial direction of the filtrate cyclone 5, so that the filtrate cyclone 5 can move back and forth along the axial direction of the filtrate cyclone 5 during the rotation process. The vortex motion of the filtrate cyclone 5 can effectively improve the filtration rate of papermaking wastewater from the filtrate hole 6 through the centrifugal throwing principle and the vibration deliquescence principle, and can effectively reduce the generation of water diaphragms on the inner wall of the filtrate hole 6 through vibration, thereby reducing the blockage rate of the water diaphragms on the filtrate hole 6, thereby reducing the influence of the water diaphragms on the sewage filtration rate;

[0032] A filtrate rotary drum 5 is rotatably sleeved on the brush shaft 4, and the brush shaft 4 and the filtrate rotary drum 5 are linked;

[0033] The filtrate rotary drum 5 is open at one end away from the motor 11;

[0034] The vibration filter frame 3 is rotatably connected with a differential shaft c18, the tails of the brush shaft 4 and the filtrate rotary drum 5 are both equipped with passive bevel gears, the differential shaft c18 is equipped with an intermediate bevel gear, the two passive bevel gears are both transmission-connected with the intermediate bevel gear, and the intermediate bevel gear is arranged between the two passive bevel gears;

[0035] By setting the positions of the two passive bevel teeth and the middle bevel teeth, the brush shaft 4 and the filtrate rotary drum 5 are in a coaxial reverse rotation mode;

[0036] The filtrate rotary drum 5 is provided with a plurality of filtrate holes 6 distributed in a linear array, and the brush shaft 4 is provided with a spiral brush blade 7, which is in close contact with the filtrate rotary drum 5;

[0037] A retaining cylinder 8 is arranged outside the filtrate rotary cylinder 5, and the retaining cylinder 8 is rotatably connected to the housing 1, and the retaining cylinder 8 and the filtrate rotary cylinder 5 rotate at the same speed;

[0038] The retaining cylinder 8 is provided with a plurality of groups of liquid permeable holes 9;

[0039] The aperture of the liquid permeable hole 9 is 1.2 times the aperture of the filtrate hole 6, and the axes of the liquid permeable hole 9 and the filtrate hole 6 are perpendicular to the axis of the filtrate rotary drum 5;

[0040] The relative movement between the filtrate cyclone 5 and the retaining cylinder 8 occurs so that the filtrate hole 6 can be periodically connected with the permeable hole 9. The periodic connection between the filtrate hole 6 and the permeable hole 9 is set to increase the sewage pressure in the filtrate cyclone 5. The increase in sewage pressure can reduce the blockage rate of the filtrate hole 6 caused by impurities in the wastewater.

[0041] An anti-cleaning component is installed on the top of the housing 1;

[0042] The anti-cleaning component includes an anti-cleaning pipe 22 fixed to the top of the shell 1 and an anti-cleaning pump 23 fixed to the shell 1. The air outlet of the anti-cleaning pump 23 is fixedly connected to the anti-cleaning pipe 22. The bottom surface of the anti-cleaning pipe 22 is evenly distributed with a group of anti-cleaning spray holes with the air outlet direction vertically downward.

[0043] The air inlet port of the anti-cleaning pump 23 is fixedly provided with a filter for filtering air;

[0044] The lower part of the housing 1 is provided with a liquid outlet component;

[0045] The liquid outlet component includes a clean liquid discharge chamber 19 and a sewage discharge chamber 20 which are opened at the lower part of the housing 1 and isolated from each other. The clean liquid discharge chamber 19 and the sewage discharge chamber 20 are both arranged directly below the filtrate cyclone 5. The bottoms of the clean liquid discharge chamber 19 and the sewage discharge chamber 20 are both connected with a drainage valve 21.

[0046] A sewage inlet pipe 10 is installed on the housing 1 at a position corresponding to the inner side of the filtrate cyclone 5 .

[0047] One end of the sewage inlet pipe 10 is fixedly connected with a flange joint, and a group of sewage spraying holes 24 vertically downward are evenly distributed on the bottom surface of the sewage inlet pipe 10 .

[0048] The working principle and use process of this utility model:

[0049] This device is mainly suitable for filtering papermaking wastewater. Before the wastewater is filtered, the sewage inlet pipe 10 is connected with the external papermaking wastewater feeding equipment. When the wastewater is filtered, the anti-cleaning pump 23 and the motor 11 work synchronously. After the motor 11 works, the vibration filter frame 3 drives the filtrate vortex 5 to move back and forth along the axial direction of the filtrate vortex 5. When the filtrate vortex 5 moves back and forth, the filtrate vortex 5 rotates at a set speed, and the reciprocating direction of the filtrate vortex 5 is the same as the axial direction of the filtrate vortex 5. The reciprocating direction of the vibration filter frame 3 is set to be the same as the axial direction of the filtrate vortex 5, so that the filtrate vortex 5 can move back and forth left and right along the axial direction of the filtrate vortex 5 during the rotation process. Through the occurrence of the vibration motion of the filtrate vortex 5, on the one hand, it can effectively pass through the separation The centrifugal ejection principle and the vibration deliquescence principle increase the filtration rate of papermaking wastewater from the filtrate hole 6. On the other hand, it can effectively reduce the generation of water diaphragms on the inner wall of the filtrate hole 6, and then reduce the blockage rate of the water diaphragms on the filtrate hole 6, thereby reducing the influence of the water diaphragms on the sewage filtration rate. The relative movement of the filtrate vortex 5 and the retaining cylinder 8 occurs, so that the filtrate hole 6 can be periodically connected with the permeable hole 9. The periodic connection state of the filtrate hole 6 and the permeable hole 9 is set to increase the sewage pressure in the filtrate vortex 5. The increase in sewage pressure can reduce the blockage rate of the filtrate hole 6 caused by impurities in the wastewater. When the filtrate is in operation, the conveying direction of the spiral brush blades 7 is toward the sewage discharge chamber 20, and then the dirt filtered out of the filtrate vortex 5 is conveyed to the sewage discharge chamber 20.

[0050] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A papermaking wastewater filtering device, comprising a housing (1) and a bracket (2) mounted on a side of the housing (1), characterized in that: The support (2) is provided with a vibration filter component, and the vibration filter component is respectively connected in a driving manner to a vibration filter frame (3) that can move back and forth and a rotatable brush shaft (4), the brush shaft (4) is rotationally connected to the vibration filter frame (3), a filtrate rotary drum (5) is rotatably sleeved on the brush shaft (4), the brush shaft (4) and the filtrate rotary drum (5) are linked, the filtrate rotary drum (5) is provided with a plurality of groups of filtrate holes (6) distributed in a linear array, the brush shaft (4) is provided with a spiral brush blade (7), and the spiral brush blade (7) is provided on the brush shaft (4). The brush blade (7) is fitted with the filtrate cyclone (5); a retaining cylinder (8) is arranged on the outer side of the filtrate cyclone (5); the retaining cylinder (8) is rotatably connected to the shell (1); the retaining cylinder (8) and the filtrate cyclone (5) rotate at the same speed; a plurality of groups of liquid permeable holes (9) are provided on the retaining cylinder (8); a clearing component is installed on the top of the shell (1); a liquid outlet component is provided on the lower part of the shell (1); and a sewage inlet pipe (10) is installed on the shell (1) at a position corresponding to the inner side of the filtrate cyclone (5).

2. A papermaking wastewater filtration device according to claim 1, characterized in that: The vibration filter component comprises a motor (11) fixed on a bracket (2), a driving shaft (12) rotatably connected to the bracket (2), a differential shaft a (13) and a differential shaft b (14); the output shaft end of the motor (11) is fixedly connected to the driving shaft (12); the differential shaft a (13) and the differential shaft b (14) are both driven by the driving shaft (12); a secondary vibration tooth plate (15) is installed on the vibration filter bracket (3); a half-face gear (15) is fixedly installed on the differential shaft a (13); 6), the half-face gear (16) is connected to the vibration tooth plate (15) by transmission, a re-vibration spring (17) is installed between the relative surfaces of the vibration filter frame (3) and the bracket (2), an external gear is fixedly installed on the differential shaft b (14), an internal gear ring connected to the external gear by transmission is fixedly installed on the retaining cylinder (8), and a transmission guide groove connected to the driving shaft (12) is fixedly opened inside the brush shaft (4), and the cross-sections of the transmission guide groove and the driving shaft (12) are both regular polygons.

3. A papermaking wastewater filtering device according to claim 2, characterized in that: The vibration filter frame (3) is rotatably connected to a differential shaft c (18); the tails of the brush shaft (4) and the filtrate rotary drum (5) are both equipped with passive bevel gears; an intermediate bevel gear is installed on the differential shaft c (18); the two passive bevel gears are both transmission-connected to the intermediate bevel gears; and the intermediate bevel gear is arranged between the two passive bevel gears.

4. A papermaking wastewater filtering device according to claim 3, characterized in that: The aperture of the liquid permeable hole (9) is 1.2 times the aperture of the filtrate hole (6), and the axes of the liquid permeable hole (9) and the filtrate hole (6) are both perpendicular to the axis of the filtrate rotary drum (5).

5. The papermaking wastewater filtering equipment according to claim 1, characterized in that: The reciprocating direction of the vibration filter frame (3) is the same as the axial direction of the filtrate rotary drum (5).

6. The papermaking wastewater filtering equipment according to claim 1, characterized in that: The liquid outlet component comprises a clean liquid discharge chamber (19) and a sewage discharge chamber (20) which are opened at the lower part of the shell (1) and isolated from each other. The clean liquid discharge chamber (19) and the sewage discharge chamber (20) are both arranged directly below the filtrate rotary drum (5). The bottoms of the clean liquid discharge chamber (19) and the sewage discharge chamber (20) are both connected to a liquid discharge valve (21).

7. The papermaking wastewater filtering equipment according to claim 1, characterized in that: The anti-cleaning component comprises an anti-cleaning pipe (22) fixed to the top of the shell (1) and an anti-cleaning pump (23) fixed to the shell (1); an air outlet port of the anti-cleaning pump (23) is fixedly connected to the anti-cleaning pipe (22); and a group of anti-cleaning spray holes with air outlet direction vertically downward are evenly distributed on the bottom surface of the anti-cleaning pipe (22).

8. The papermaking wastewater filtering equipment according to claim 1, characterized in that: One end of the sewage inlet pipe (10) is fixedly connected to a flange joint, and a group of sewage spraying holes (24) vertically downward are evenly distributed on the bottom surface of the sewage inlet pipe (10).

9. The papermaking wastewater filtering device according to claim 1, characterized in that: The filtrate rotary drum (5) has an opening at one end away from the motor (11).

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