CN218306646U

CN218306646U - Backwashing device for rotary disc filter

Info

Publication number: CN218306646U
Application number: CN202222045295.7U
Authority: CN
Inventors: 高伟; 杨敏
Original assignee: Tianjin Renzhong Guorui Environmental Protection Technology Co ltd
Current assignee: Tianjin Renzhong Guorui Environmental Protection Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-01-17
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a back washing unit for rotary disc filter belongs to rotary disc filter technical field, including the catch basin, weld driving motor and a plurality of filter disks of operation in the catch basin inner chamber on the catch basin lateral wall, a side wall that the catch basin inner chamber is close to driving motor rotates and is connected with a back shaft, driving motor's output shaft and this back shaft coaxial coupling, it is a plurality of filter disks distributes and all fixes the cover and locate on the back shaft along horizontal direction equidistance, the catch basin top is equipped with puts the thing board, wherein a side wall welding that puts the thing board has the water tank, the recoil pump has all been welded to the both sides of water tank roof, water pipe and shower nozzle have connected gradually on the recoil pump. Compared with a horizontal or vertical flushing mode adopted in the traditional method, the backwashing device for the rotary disc filter is easier to clean dead corners on the filter disc, and the probability of unclean flushing caused by the dead corners is reduced.

Description

Backwashing device for rotary disc filter

Technical Field

The utility model belongs to the technical field of the rotary table filter, especially, relate to a back washing unit for rotary table filter.

Background

The back-washing filter is a precise device which directly intercepts impurities in water by using a filter screen, removes suspended matters and particles in the water body, reduces turbidity, purifies water, reduces the generation of system dirt, bacteria, algae, rust and the like, and purifies the water and protects other devices of the system from normal work.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the technology: most of the existing backwashing devices of the rotary disc filter adopt a horizontal or vertical flushing mode to flush the filter disc, so that impurities at dead angle positions on the filter disc are difficult to flush and the positions of the spray heads are mostly unadjustable, therefore, a plurality of groups of spray heads need to be arranged, and the cost is high.

To this end, we propose a backwash assembly for a rotary disc filter that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a back washing unit for rotary disc filter compares the mode that adopts level or vertical direction to wash in traditional approach, washs the dead angle on the filter disc more easily, has reduced because of the dead angle leads to washing unclean probability, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a back washing device for a rotary disc filter comprises a water collecting tank, a driving motor welded on the side wall of the water collecting tank and a plurality of filter discs running in the inner cavity of the water collecting tank, wherein a support shaft is rotatably connected to one side wall of the inner cavity of the water collecting tank, which is close to the driving motor, the output shaft of the driving motor is coaxially connected with the support shaft, and the plurality of filter discs are distributed at equal intervals along the horizontal direction and are fixedly sleeved on the support shaft;

the improved water tank is characterized in that an object placing plate is arranged above the water collecting tank, a water tank is welded on one side wall of the object placing plate, backflushing pumps are welded on the two sides of the top wall of the water tank, and water pipes and spray heads are sequentially connected onto the backflushing pumps.

Preferably, one end of the water pipe, which is far away from the backflushing pump, penetrates through the object placing plate and extends to the position below the object placing plate, and the end, which is located below the object placing plate, of the water pipe and the spray head are obliquely arranged; so that the water sprayed by the spray head can be sprayed on the filter disc at a certain oblique angle, and impurities on the filter disc can be cleaned more easily.

Preferably, the top wall of the water collecting tank is provided with an inverted U-shaped bearing frame, two ends of the bearing frame are welded on the water collecting tank, a sliding motor is welded on one side wall of the bearing frame facing the driving motor, and the bearing frame is further provided with a screw rod coaxially connected with an output shaft of the sliding motor; therefore, the driving sliding motor can drive the screw to operate.

Preferably, a sliding groove penetrating through the top wall to the bottom wall of the bearing frame is formed in the top wall of the bearing frame, the screw rod is arranged in the sliding groove, and two ends of the screw rod are rotatably connected with the bearing frame; so that the screw can be stably operated.

Preferably, a limiting rod which is parallel to the screw rod and is arranged above the screw rod is further arranged in the chute, two ends of the limiting rod are welded and fixed with the bearing frame, an upper sliding seat is further operated in the chute, and the upper sliding seat is in threaded sleeve with the screw rod and is in sliding sleeve with the limiting rod; so that the screw rod can drive the upper sliding seat to horizontally slide along the limiting rod.

Preferably, a support rod is arranged between the upper sliding seat and the object placing plate, and two ends of the support rod are respectively welded with the upper sliding seat and the object placing plate; thereby playing the role of supporting the object placing plate and keeping the structure on the object placing plate stable.

To sum up, the utility model discloses a technological effect and advantage:

according to the backwashing device for the rotary disc filter, the backwashing pump works to pump out water in the water tank and spray the water out of the water tank through the obliquely arranged spray head, so that compared with a traditional method in which a horizontal or vertical flushing mode is adopted, dead corners on the filter disc are easier to clean, and the probability of unclean flushing caused by the dead corners is reduced;

according to the backwashing device for the rotary disc filter, the water tank and the spray heads can be driven to move by the working of the sliding motor, so that all filter discs can be cleaned, the trouble of arranging a plurality of groups of spray heads is avoided, and the cost of the device is reduced.

Drawings

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

FIG. 2 isbase:Sub>A cross-sectional view ofbase:Sub>A portion of the structure of FIG. 1 taken along line A-A in accordance with the present invention;

FIG. 3 is a schematic view of the object placing plate and the upper structure thereof;

fig. 4 is a side view of the object placing plate and the upper structure thereof.

In the figure: 1. a water collecting tank; 2. a drive motor; 3. a filter tray; 4. a receiving frame; 5. a sliding motor; 6. a chute; 7. a screw; 8. a limiting rod; 9. an upper sliding seat; 10. a strut; 11. a storage plate; 12. a water tank; 13. a back flushing pump; 14. a water pipe; 15. and (4) a spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, 3-4, a backwashing device for a rotary disc filter comprises a water collecting tank 1, a driving motor 2 welded on the side wall of the water collecting tank 1 and a plurality of filter discs 3 running in the inner cavity of the water collecting tank 1, wherein a support shaft is rotatably connected to one side wall of the inner cavity of the water collecting tank 1 close to the driving motor 2, an output shaft of the driving motor 2 is coaxially connected with the support shaft, and the plurality of filter discs 3 are distributed at equal intervals along the horizontal direction and are fixedly sleeved on the support shaft, so that the driving motor 2 can drive the support shaft and the plurality of filter discs 3 to run;

be equipped with in 1 top of catch basin and put thing board 11, wherein a lateral wall welding of putting thing board 11 has water tank 12, all weld recoil pump 13 in the both sides of water tank 12 roof, water pipe 14 and shower nozzle 15 have connected gradually on recoil pump 13, water in the recoil pump 13 work can extract water in the water tank 12 to the water pipe 14, the one end that the recoil pump 13 was kept away from to water pipe 14 runs through and puts thing board 11 and extend to the below of putting thing board 11, water pipe 14 is located the one end of putting thing board 11 below and the equal slope of shower nozzle 15 sets up, make shower nozzle 15 spun water spray on filter disc 3 with certain oblique angle, wash the impurity on the filter disc 3 more easily.

Referring to fig. 1-3, a receiving frame 4 in an inverted U shape is disposed on a top wall of a water collecting tank 1, and two ends of the receiving frame 4 are welded to the water collecting tank 1, a sliding motor 5 is welded to a side wall of the receiving frame 4 facing a driving motor 2, a screw 7 coaxially connected to an output shaft of the sliding motor 5 is further disposed on the receiving frame 4, so that the driving sliding motor 5 can drive the screw 7 to operate, a sliding groove 6 penetrating through a bottom wall of the receiving frame 4 is formed in the top wall of the receiving frame 4, the screw 7 is disposed in the sliding groove 6, and two ends of the screw are rotatably connected to the receiving frame 4, so that the screw 7 can stably operate, a limit rod 8 parallel to the screw 7 and disposed above the screw 7 is further disposed in the sliding groove 6, two ends of the limit rod 8 are both welded to the receiving frame 4, an upper sliding seat 9 is further disposed in the sliding groove 6, wherein the upper sliding seat 9 is threaded on the screw 7 and slidably sleeved on the limit rod 8, so that the screw 7 can drive the upper sliding seat 9 to horizontally slide along the limit rod 8, an upper sliding seat 9 and a support plate 11 are disposed between the upper sliding seat 9 and a support plate 11, so that the support plate can be stably welded to support the upper sliding plate.

The working principle is as follows: assuming that the flow direction of water in the water collecting tank 1 is from left to right, impurities such as sludge can be gathered on the left surface of the filter disc 3, the driving motor 2 is enabled to work to drive the supporting shaft and the plurality of filter discs 3 to operate, all parts on the surface of the filter discs 3 can be used for filtering, when impurities such as sludge attached to the surface of the filter discs 3 need to be cleaned, sufficient water is supplemented into the water supply tank 12, the two back-flushing pumps 13 are driven to work (the two back-flushing pumps 13 are electrically connected with an external power supply to enable the back-flushing pumps to work normally) to pump out water in the water tank 12, the water is conveyed to the two spray heads 15 through the two water pipes 14 and is sprayed out at a certain oblique angle, so that dead corners on the filter discs 3 are cleaned more easily, meanwhile, the sliding motor 5 is driven to work to drive the screw 7 to operate, the upper sliding seat 9 slides along the limiting rod 8 and drives the supporting rod 10, the object placing plate 11 and the structure on the object placing plate 11 to slide horizontally, and the water sprayed out by the two spray heads 15 can clean impurities on the surfaces of the plurality of the filter discs 3.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The backwashing device for the rotary disc filter comprises a water collecting tank (1), a driving motor (2) welded on the side wall of the water collecting tank (1) and a plurality of filter discs (3) running in the inner cavity of the water collecting tank (1), and is characterized in that a supporting shaft is rotatably connected to one side wall of the inner cavity of the water collecting tank (1) close to the driving motor (2), an output shaft of the driving motor (2) is coaxially connected with the supporting shaft, and the plurality of filter discs (3) are equidistantly distributed along the horizontal direction and are fixedly sleeved on the supporting shaft;

the water collecting tank is characterized in that an object placing plate (11) is arranged above the water collecting tank (1), a water tank (12) is welded on one side wall of the object placing plate (11), recoil pumps (13) are welded on two sides of the top wall of the water tank (12), and water pipes (14) and spray heads (15) are sequentially connected onto the recoil pumps (13).

2. The backwashing device for the rotary disc filter according to claim 1, wherein one end of the water pipe (14) far away from the backwashing pump (13) penetrates through the storage plate (11) and extends to the lower part of the storage plate (11), and one end of the water pipe (14) below the storage plate (11) and the spray head (15) are obliquely arranged.

3. The backwashing device for the rotary disc filter according to claim 1, wherein the top wall of the water collecting tank (1) is provided with an inverted U-shaped receiving frame (4), both ends of the receiving frame (4) are welded on the water collecting tank (1), a sliding motor (5) is welded on one side wall of the receiving frame (4) facing the driving motor (2), and the receiving frame (4) is further provided with a screw (7) coaxially connected with an output shaft of the sliding motor (5).

4. The backwashing device for the rotary disc filter according to claim 3, wherein a sliding groove (6) penetrating through the top wall of the receiving frame (4) to the bottom wall thereof is formed in the top wall of the receiving frame, the screw (7) is arranged in the sliding groove (6), and both ends of the screw are rotatably connected with the receiving frame (4).

5. The backwashing device for the rotary disc filter according to claim 4, wherein a limiting rod (8) which is parallel to the screw (7) and is arranged above the screw (7) is further arranged in the chute (6), both ends of the limiting rod (8) are welded and fixed with the bearing frame (4), an upper sliding seat (9) is further arranged in the chute (6), and the upper sliding seat (9) is sleeved on the screw (7) in a threaded manner and is sleeved on the limiting rod (8) in a sliding manner.

6. The backwashing device for the rotary disc filter according to claim 5, wherein a supporting rod (10) is arranged between the upper sliding seat (9) and the object placing plate (11), and two ends of the supporting rod (10) are respectively welded with the upper sliding seat (9) and the object placing plate (11).