CN217340379U

CN217340379U - Papermaking wastewater filter

Info

Publication number: CN217340379U
Application number: CN202221290051.9U
Authority: CN
Inventors: 李洪庆; 马权; 雷学林
Original assignee: Xinxiang Henry Environmental Protection Technology Co ltd
Current assignee: Xinxiang Henry Environmental Protection Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-09-02
Anticipated expiration: 2032-05-26

Abstract

The utility model belongs to the technical field of waste water treatment's technique and specifically relates to a papermaking wastewater filter is related to, it is including handling the case and installing the filter screen at handling the incasement, it has the inlet tube that is located the filter screen top and the outlet pipe that is located the filter screen below to handle the intercommunication on the case, the filter screen is middle part recessed, the arc setting of both ends upwarping, it contradicts in the clearance subassembly of filter screen upper surface to handle to be equipped with on the case, a rotating assembly for driving the clearance subassembly around the filter screen axis is rotatory, be located the same end department of filter screen and divide the row's of locating both sides about the filter screen miscellaneous mouthful and backward flow mouth, the opening up and be located the filter box between row miscellaneous mouthful and the backward flow mouth, be located filter box below and slope downwardly extending to the intraoral guide plate of backward flow, the clearance subassembly is located the inboard of handling the case, the filter box is located the outside of handling the case. This application can conveniently clear up accumulational fibre on the filter screen.

Description

Papermaking wastewater filter

Technical Field

The application relates to the technical field of wastewater treatment, in particular to a papermaking wastewater filter.

Background

The paper industry is an industry closely related to national economy, and is an industry with high energy and chemical raw material consumption, large water consumption and serious environmental pollution, and because the discharge amount of the waste water in the paper industry is large, the waste water contains a large amount of cellulose, lignin, inorganic alkali, tannin, resin, protein and the like, the chroma of the waste water is deep, the alkalinity is large, the content of refractory substances is high, the aerobic quantity is large, the pollution of the whole water body and the serious damage of the ecological environment can be caused, and the treatment of the paper-making waste water is not slow.

When treating papermaking waste water, firstly, the waste water is subjected to primary treatment, and a micro-filter is usually adopted to simply remove fine fibers in the papermaking waste water, but the fibers are accumulated on the surface of a filter screen due to long-term use, the accumulated fibers can generate lumps, the fibers which are difficult to clean are only washed by a washing device, the filtering effect and the service life of the filter screen are influenced, and therefore improvement is needed.

Disclosure of Invention

In order to conveniently clear up accumulational fibre on the filter screen, this application provides a papermaking waste water filter.

The application provides a papermaking waste water filter adopts following technical scheme: the utility model provides a papermaking waste water filter, including handling the case and installing the filter screen at handling the incasement, it has the inlet tube that is located the filter screen top and the outlet pipe that is located the filter screen below to handle the intercommunication on the case, the filter screen is that the middle part is recessed, the arc setting that the both ends upwarp, it conflicts in the clearance subassembly of filter screen upper surface to handle to be equipped with on the case, a rotating assembly for driving the clearance subassembly around the filter screen axis is rotatory, be located the same end department of filter screen and divide row's miscellaneous mouthful and backward flow mouth of locating both sides about the filter screen, the opening up and be located the filter box between row miscellaneous mouthful and the backward flow mouth, be located filter box below and slope downwardly extending to the intraoral guide plate of backward flow, the clearance subassembly is located the inboard of handling the case, the filter box is located the outside of handling the case.

Optionally, a supporting ring for placing the filter box is installed on the treatment box, and the filter holes in the filter box are located at the bottom of the filter box and right above the inner side of the supporting ring.

Optionally, the edge of the supporting ring is turned over upwards and clamped on the side of the filter cartridge.

Optionally, the bottom of the filter cartridge is arranged obliquely.

Optionally, one end of the guide plate, which is located below the filter box, is connected to the support ring, water baffles are installed on two sides of the guide plate, and the guide plate and the two water baffles jointly enclose a guide cavity for wastewater in the filter box to flow into the return port.

Optionally, the cleaning assembly comprises an installation shell driven by the rotating assembly to rotate, and a brush used for abutting against the upper surface of the filter screen is inserted in the installation shell.

Optionally, a bolt for abutting against the side of the brush is in threaded fit with the mounting shell.

Optionally, the rotating assembly comprises a rotating shaft connected to the inner wall of the processing box in a rotating mode and a motor installed on the processing box, the rotating shaft and the filter screen are arranged coaxially and are connected to the installation shell through a connecting rod, and an output shaft of the motor is coaxially connected to the rotating shaft.

To sum up, the application comprises the following beneficial technical effects:

1. after the wastewater enters the treatment tank through the water inlet pipe, the wastewater passes through the filter screen and is discharged out of the treatment tank through the water outlet pipe, and fibers in the wastewater are accumulated in the middle of the upper surface of the filter screen, so that the edge of the filter screen is not easy to block, and the wastewater is filtered and treated;

2. the motor can drive the mounting shell to rotate around the axis of the filter screen through the rotating shaft and the connecting rod, and the mounting shell can drive the hairbrush to rotate to clean fibers accumulated on the upper surface of the filter screen, so that the fibers are pushed by the hairbrush to be separated from the upper surface of the filter screen, and fiber cleaning is facilitated;

3. the fiber which is pushed to be separated from the upper surface of the filter screen by the brush is discharged out of the treatment box through the impurity discharge port and falls into the filter box, and the waste water doped in the fiber in the filter box passes through the filter hole on the filter box and flows into the treatment box through the guide plate and the backflow port, so that the separation effect of the fiber and the waste water is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure in the embodiment of the present application;

FIG. 2 is a schematic sectional view of the whole of the embodiment of the present application;

FIG. 3 is a schematic sectional view showing the inside of the treatment tank in the embodiment of the present application.

Reference numerals: 1. a treatment tank; 11. filtering with a screen; 12. a water inlet pipe; 13. a water outlet pipe; 14. a trash discharge port; 15. a return port; 16. a filter box; 17. a baffle; 18. a water baffle; 19. a ring; 2. cleaning the assembly; 21. mounting a shell; 22. a brush; 23. a bolt; 3. a rotating assembly; 31. a rotating shaft; 32. a motor; 33. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses papermaking waste water filter. As shown in figures 1 to 3, the papermaking wastewater filter comprises a treatment box 1 and a filter screen 11 arranged in the treatment box 1, wherein the treatment box 1 is communicated with a water inlet pipe 12 positioned above the filter screen 11 and a water outlet pipe 13 positioned below the filter screen 11, and the filter screen 11 is arranged in an arc shape with the middle part recessed and the two ends raised upwards. After wastewater enters the treatment box 1 through the water inlet pipe 12, the wastewater passes through the filter screen 11 and is discharged out of the treatment box 1 through the water outlet pipe 13, and fibers in the wastewater are accumulated in the middle of the upper surface of the filter screen 11, so that the edge of the filter screen 11 is not easy to be blocked, and the wastewater is filtered.

The treatment box 1 is provided with a cleaning component 2 and a rotating component 3, the cleaning component 2 comprises a mounting shell 21 positioned in the treatment box 1, and a brush 22 used for abutting against the upper surface of the filter screen 11 is inserted in the mounting shell 21; the rotating assembly 3 comprises a rotating shaft 31 rotatably connected to the inner wall of the treatment box 1 and a motor 32 arranged on the treatment box 1, the rotating shaft 31 and the filter screen 11 are coaxially arranged and connected to the mounting shell 21 through two connecting rods 33, and the output shaft of the motor 32 is coaxially connected to the rotating shaft 31. Motor 32 can drive installation shell 21 through pivot 31 and connecting rod 33 and rotate around filter screen 11 axis, and installation shell 21 can drive brush 22 and rotate the clearance and pile up the fibre at the filter screen 11 upper surface for the fibre is promoted by brush 22 and is broken away from in the upper surface of filter screen 11, has made things convenient for fibrous clearance.

Threaded fit has bolt 23 on the installation shell 21, and bolt 23 can rotate and support tightly in the lateral part of brush 22 for brush 22 is locked in installation shell 21 by the locking, has guaranteed the stability of brush 22 in the use, and has made things convenient for the dismouting of brush 22 on installation shell 21.

One side of the treatment box 1 is provided with a trash discharge port 14 and a return port 15 which are positioned at the same end of the filter screen 11 and are respectively arranged at the upper side and the lower side of the filter screen 11, and the fibers which are pushed by the brush 22 to be separated from the upper surface of the filter screen 11 are discharged out of the treatment box 1 through the trash discharge port 14; a filter box 16 with an upward opening and positioned outside the treatment box 1 is arranged between the impurity discharge port 14 and the return port 15, and the fibers discharged outside the treatment box 1 fall into the filter box 16; a guide plate 17 which inclines downwards to extend into the return opening 15 is arranged below the filter box 16, and the waste water doped in the fiber in the filter box 16 passes through the filter holes on the filter box 16 and flows into the treatment box 1 through the guide plate 17 and the return opening 15, so that the separation effect of the fiber and the waste water is improved.

The water baffles 18 are arranged on two sides of the guide plate 17, the guide plate 17 and the two water baffles 18 jointly form a guide cavity, and wastewater in the filter box 16 can flow back to the backflow port 15 through the guide cavity, so that the wastewater is not easy to fall from the edge of the guide plate 17, and the wastewater can normally flow back to the treatment tank 1.

The filtration pore on the filter cartridge 16 is located the bottom of filter cartridge 16, and the bottom of filter cartridge 16 is the slope setting for the fibre in the filter cartridge 16 will pile up the lowest of diapire in the filter cartridge 16, so that the filtration pore of filter cartridge 16 bottom is whole blockked up, has guaranteed waste water and fibrous normal separation.

The outer side wall of the treatment box 1 is provided with a supporting ring 19, and the filter box 16 is placed on the upper surface of the supporting ring 19, so that the filter box 16 is convenient to take and place; the filtering holes at the bottom of the filtering box 16 are positioned right above the inner side of the supporting ring 19, so that the supporting ring 19 is not easy to influence the backflow of the wastewater in the filtering box 16 into the treatment box 1; the edge part of the supporting ring 19 is turned upwards and clamped on the side part of the filter box 16, so that the stability of the filter box 16 on the supporting ring 19 is improved; one end that guide plate 17 is located the filtration box 16 below is connected in the filler ring 19, and the filler ring 19, guide plate 17 and the 1 lateral wall of processing case have enclosed into the triangle-shaped structure jointly, have improved the stability of guide plate 17, filler ring 19 and filtration box 16.

The implementation principle of the papermaking wastewater filter of the embodiment of the application is as follows: when wastewater enters the treatment tank 1 through the water inlet pipe 12, the wastewater passes through the filter screen 11 and is discharged out of the treatment tank 1 through the water outlet pipe 13, and fibers in the wastewater are accumulated in the middle of the upper surface of the filter screen 11; then the motor 32 will drive the installation shell 21 to rotate around the axis of the filter screen 11 through the rotating shaft 31 and the connecting rod 33, the installation shell 21 will drive the brush 22 to rotate to clean the fibers accumulated on the upper surface of the filter screen 11, so that the fibers are pushed by the brush 22 to be separated from the upper surface of the filter screen 11 and fall into the filter box 16 through the impurity discharge port 14, the waste water doped in the fibers in the filter box 16 will pass through the filter holes on the filter box 16 and flow into the treatment box 1 through the guide plate 17 and the return port 15, and the separation effect of the fibers and the waste water is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a papermaking waste water filter, is including handling case (1) and installing filter screen (11) in handling case (1), handles case (1) and goes up the intercommunication and have inlet tube (12) that are located filter screen (11) top and outlet pipe (13) that are located filter screen (11) below, its characterized in that: filter screen (11) are middle part undercut, the arc setting of both ends upwarping, be equipped with on handling case (1) and contradict in clearance subassembly (2) of filter screen (11) upper surface, be used for driving rotation component (3) of clearance subassembly (2) around filter screen (11) axis rotation, be located filter screen (11) same end department and divide row's miscellaneous mouthful (14) and backward flow mouth (15) of locating filter screen (11) upper and lower both sides, opening up and be located arrange filter box (16) between miscellaneous mouthful (14) and backward flow mouth (15), be located filter box (16) below and slope downwardly extending to guide plate (17) in backward flow mouth (15), clearance subassembly (2) are located the inboard of handling case (1), filter box (16) are located the outside of handling case (1).

2. The papermaking wastewater filter according to claim 1, characterized in that: the treatment box (1) is provided with a supporting ring (19) for placing a filter box (16), and filter holes in the filter box (16) are positioned at the bottom of the filter box (16) and are positioned right above the inner side of the supporting ring (19).

3. The papermaking wastewater filter according to claim 2, characterized in that: the edge part of the supporting ring (19) is turned upwards and clamped on the side part of the filter box (16).

4. The papermaking wastewater filter according to claim 3, characterized in that: the bottom of the filter box (16) is arranged obliquely.

5. The papermaking wastewater filter according to claim 2, characterized in that: the one end that guide plate (17) are located and strain box (16) below is connected in trunnion ring (19), and breakwater (18) are all installed to the both sides of guide plate (17), and guide plate (17) and two breakwater (18) have enclosed the water conservancy diversion chamber that supplies the waste water in straining box (16) to flow to in backward flow mouth (15) jointly.

6. The papermaking wastewater filter according to claim 1, characterized in that: clearance subassembly (2) are including being driven rotatory installation shell (21) by runner assembly (3), and it has brush (22) that are used for conflicting filter screen (11) upper surface to peg graft in installation shell (21).

7. The papermaking wastewater filter according to claim 6, wherein: and a bolt (23) for tightly abutting against the side part of the hairbrush (22) is in threaded fit on the mounting shell (21).

8. The papermaking wastewater filter according to claim 6, wherein: rotating assembly (3) including rotate connect in pivot (31) of handling case (1) inner wall and install motor (32) on handling case (1), pivot (31) are the coaxial line setting with filter screen (11) and connect in installation shell (21) through connecting rod (33), the output shaft coaxial coupling of motor (32) in pivot (31).