CN217794909U

CN217794909U - Rotary disc filter

Info

Publication number: CN217794909U
Application number: CN202222208325.1U
Authority: CN
Inventors: 蒋雷洪; 蒋步云
Original assignee: Wuxi Yigong Environmental Protection Equipment Co ltd
Current assignee: Wuxi Yigong Environmental Protection Equipment Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-15
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a rotary disc filter, including the cell body, the fibre filter disc, first backwash pump, the second backwash pump, sucking disc and driving motor, through first backwash pump and the second backwash pump of switch-on and a blow off pipe and mud collection box switch-on in three backwash pipes and the cell body mutually, through the alternate operation of first backwash pump and second backwash pump, and three backwash alternate operations of switch-on first backwash pump and the second backwash pump, solenoid valve on the second backwash pipe behind the solenoid valve shut down on the first backwash pipe opens, solenoid valve operation on the third backwash pipe behind the solenoid valve shut down on the second backwash pipe, realize the backwash to the fibre filter disc, and discharge to the mud collecting box through the blow off pipe that produces the backwash, realize the purpose of discharging after collecting mud, thereby realize avoiding the accumulational problem of mud in the cell body, and then improve the cell body and pass through the fibre filter disc, the effect of first backwash pump and second backwash pump to sewage treatment.

Description

Rotary disc filter

Technical Field

The utility model belongs to the technical field of the filter, concretely relates to rotary disc filter.

Background

A fiber filter disc filter is a sewage deep filtering device which is widely applied in the fields of sewage deep treatment and reclaimed water reuse, and belongs to the technical field of microporous filtration. The fiber filter disc filter consists of a central pipe and filter discs distributed on the central pipe, and is used for the field of sewage advanced treatment, wherein the water inlet suspended matter (SS) can reach 80mg/L, and the water outlet SS can be as low as 5mg/L. The working process of the fiber filter disc filter is as follows: water before filtration enters the filter, filtration is completed from outside to inside through the filter cloth on each filter disc under the action of water head, the water after filtration flows out from the central tube of the fiber filter disc, and impurities are trapped on the surface of the filter cloth of the filter disc;

when the sewage treatment device operates, the fiber filter disc is arranged in a full-immersion mode or a semi-immersion mode, and is immersed in water, so that when sewage is treated by the backwashing water pump in a rotating mode, the sewage in the filter is washed and cleaned repeatedly through the rotation of the filter disc, the cleaned sewage is directly discharged through the water pump, and the sludge can stay at the bottom of the filter, so that the accumulation of the sludge is caused, the cleaning quality of the counter-rotating disc is reduced, and the treatment effect on the sewage is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary table filter to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary disc filter comprises a tank body, a plurality of fiber filter discs, a first backwashing pump, a second backwashing pump, a sucker and a driving motor, wherein the fiber filter discs are provided with a central rotary drum which is rotatably connected with the middle part in the tank body at the axle center of the fiber filter discs;

the driving motor is fixedly arranged at the upper part of the tank body, a transmission chain connected with an output shaft of the driving motor is in braking connection with the central rotary drum, the sucking disc is fixedly arranged in the tank body through a support, and the sucking disc is arranged among the plurality of fiber filter discs;

the first backwashing pump and the second backwashing pump are respectively communicated with three backwashing pipes and a drain pipe, the three backwashing pipes are communicated with the interior of the tank body and are respectively provided with an electromagnetic valve, the tail end of the drain pipe is communicated with a sludge collection tank in the tank body, the bottom end of the sludge collection tank is communicated with a sludge suction pipeline at the bottom of the interior of the tank body, and one of the backwashing pipes is communicated with the square round water outlet.

Furthermore, a liquid level meter for detecting the liquid level of the sewage in the tank body is arranged at the inner upper part of the tank body.

The liquid level meter is used for detecting the amount of sewage injected into the tank body, operating a period in the tank body to process the sewage and then timely feeding back liquid level information to the pumping equipment, and injecting the sewage into the tank body.

Furthermore, a steel wire hose communicated with a sludge collection box is arranged at the bottom of the sucker.

The steel wire hose is used for being matched with the first backwashing pump and the second backwashing pump to pump the filtered sludge on the fiber filter disc.

Furthermore, the backwashing pipe is communicated with the square round water outlet through a flexible connecting pipe.

The backwashing pipe communicated with the square-joint round water outlet is a backwashing pipe of the last pneumatic solenoid valve of the three backwashing pipes and is used for discharging sewage treated by the last backwashing to the square-joint round water outlet for water discharge.

Compared with the prior art, the utility model following technological effect and advantage have:

the rotary disc filter is provided with a first backwashing pump and a second backwashing pump which are communicated with the inside of a pool body through three backwashing pipes and a sewage discharge pipe and a sludge collection box, when sewage in the pool body is treated, the liquid level of the pool body reaches a high position and is fully immersed in a fiber filter disc, the first backwashing pump operates, three electromagnetic valves on the three backwashing pipes connected to the first backwashing pump are started to be alternately started when the first backwashing pump operates, a driving motor drives a central rotary drum at the center of the fiber filter disc to rotate through a transmission chain, the sewage is discharged through a square-connection round water outlet at the left end of the central rotary drum inside the fiber filter disc, and the first backwashing pump is closed after filtration; and operating the second backwashing pump and one backwashing pipe communicated with the second backwashing pump, wherein the second backwashing pump stops operating after the three electromagnetic valves are alternately started, sewage of the rotary disc filter enters and exits from the outside, sludge is left on the outer surface of the disc, and the backwashing pumps are alternately started to suck the sludge on the outer surface of the disc and enter the collection box. The mud that clears up stops in the mud collecting box along with the extraction of first backwash pump and second backwash pump to mud pipeline discharge is inhaled through what the mud collecting box put through, avoids appearing mud accumulational problem, and then improves the cell body and passes through fibre filter disc, first backwash pump and second backwash pump to sewage treatment's effect.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a cross-sectional view of the present invention in FIG. 1;

fig. 3 is a schematic view of the vertical cross-section structure of fig. 1 of the present invention.

In the figure: 1. a tank body; 2. a fiber filter disc; 3. a first backwash pump; 4. a second backwash pump; 5. a suction cup; 6. a drive motor; 7. a central drum; 8. a water inlet weir box; 9. an effluent weir; 10. a square-connected round water outlet; 11. a drive chain; 12. a support; 13. backwashing the tubes; 14. a blow-off pipe; 15. a sludge collection box; 16. a mud suction pipeline; 17. a liquid level meter; 18. a steel wire hose; 19. a flexible connecting pipe.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a carousel filter as shown in fig. 1-3, including cell body 1, fibre filter disc 2, first backwash pump 3, second backwash pump 4, sucking disc 5 and driving motor 6, upper portion is equipped with level gauge 17 to the interior sewage liquid level detection of cell body 1 in the cell body 1. The liquid level meter 17 is used for detecting the amount of sewage injected into the tank body 1, operating a cycle in the tank body 1 to treat the sewage, feeding the liquid level information back to the water pumping equipment in time, and injecting the sewage into the tank body 1;

the fiber filter discs 2 are provided with a plurality of fiber filter discs 2, the axes of the fiber filter discs 2 are provided with a central rotary drum 7 which is rotatably connected with the middle part in the tank body 1, the left side and the right side in the tank body 1 are respectively provided with a water inlet weir box 8 and a water outlet weir 9, and the water outlet hole at the inner side of the water outlet weir 9 is communicated with a round square water outlet 10 at the left side of the central rotary drum 7;

the driving motor 6 is fixedly arranged on the upper portion of the tank body 1, the driving chain 11 connected with an output shaft on the driving motor 6 is in braking connection with the central rotary drum 7, the sucker 5 is fixedly arranged inside the tank body 1 through the support 12, the sucker 5 is arranged between the fiber filter discs 2, and the bottom of the sucker 5 is provided with a steel wire hose 18 communicated with the sludge collection box 15. The steel wire hose 18 is used for being matched with the first backwashing pump 3 and the second backwashing pump 4 to pump the sludge filtered out on the fiber filter disc 2;

the first backwashing pump 3 and the second backwashing pump 4 are respectively communicated with three backwashing pipes 13 and a sewage discharge pipe 14 which are communicated with the inside of the tank body 1 and are respectively provided with an electromagnetic valve, the tail end of the sewage discharge pipe 14 is communicated with a sludge collection box 15 in the tank body 1, the bottom end of the sludge collection box 15 is communicated with a sludge suction pipeline 16 at the bottom inside the tank body 1, one backwashing pipe 13 is communicated with a square round water outlet 10, and the backwashing pipe 13 is communicated with the square round water outlet 10 through a flexible connecting pipe 19. The backwashing pipes 13 communicated with the square-joint round water outlet 10 are three backwashing pipes 13, and the backwashing pipes 13 of the electromagnetic valves are finally started for discharging sewage treated by final backwashing to the square-joint round water outlet 10 for discharging.

The rotary disc filter is provided with a first backwashing pump 3 and a second backwashing pump 4 which are communicated with the interior of a pool body 1 through three backwashing pipes 13 and a sewage discharge pipe 14 and a sludge collection box 15, when sewage in the pool body 1 is treated and the liquid level of the pool body 1 reaches a high level and is completely immersed in a fiber filter disc 2, the first backwashing pump 3 operates, three electromagnetic valves on the three backwashing pipes 13 connected to the first backwashing pump 3 are started alternately when the first backwashing pump 3 operates, a driving motor 6 drives a central rotary drum 7 at the center of the fiber filter disc 2 to rotate through a transmission chain 11, the sewage is discharged through a square-connection round water outlet 10 at the left end of the central rotary drum 7 in the fiber filter disc 2, sludge filtered out by the fiber filter disc 2 stays on the surface of the fiber filter disc 2, and along with the operation of the first backwashing pump 3 and the second backwashing pump 4, the sludge filtered out from the fiber filter disc 2 is extracted to the sludge collection box 15 by matching with a suction disc 5, and the first backwashing pump 3 is closed after the filtration; run one of them backwash pipe 13 that second backwash pump 4 and second backwash pump 4 switched on, three solenoid valves are the second backwash pump 4 out-of-service after the start in turn, realize advancing the interior play to sewage through inlet weir box 8 and play weir 9, mud stays the surface at fibre filter disc 2, first backwash pump 3 and second backwash pump 4 open the mud of suction fibre filter disc 2 surface in turn, and export mud to sludge collecting box 15, and the mud pipeline 16 of inhaling that switches on through sludge collecting box 15 discharges, avoid appearing mud accumulational problem, and then improve cell body 1 and pass through fibre filter disc 2, first backwash pump 3 and second backwash pump 4 effect to sewage treatment.

If the liquid level of the tank body 1 reaches the low liquid level in one period, stopping the operation until the operation period is finished, and if the liquid level of the tank body 1 does not reach the low liquid level in one period, continuing the second period until the sewage in the tank body 1 reaches the low liquid level;

three electromagnetic valves on the three backwashing pipes 13 are alternately started, namely: three backwash pipes 13 do not move simultaneously, three backwash pipes 13 are backwash pipe 13 No. one, backwash pipe 13 No. two, backwash pipe 13 No. three respectively, and the solenoid valve on backwash pipe 13 No. is pneumatic earlier, and the solenoid valve on backwash pipe 13 No. closes the back, and the solenoid valve on backwash pipe 13 No. two opens, and the solenoid valve on backwash pipe 13 No. two closes the solenoid valve of back backwash pipe 13 No. three and opens, then first backwash pump 3 stop operation second backwash pump 4 moves.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a carousel filter, includes cell body (1), fibre filter disc (2), first backwash pump (3), second backwash pump (4), sucking disc (5) and driving motor (6), its characterized in that: the fiber filter discs (2) are provided with a plurality of fiber filter discs, the axes of the fiber filter discs (2) are provided with a central rotary drum (7) which is rotatably connected with the middle part in the tank body (1), the left side and the right side in the tank body (1) are respectively provided with a water inlet weir box (8) and a water outlet weir (9), and a water outlet hole (0) at the inner side of the water outlet weir (9) is communicated with a square round water outlet (10) at the left side of the central rotary drum (7);

the driving motor (6) is fixedly arranged at the upper part of the tank body (1), a transmission chain (11) connected with an output shaft on the driving motor (6) is in braking connection with the central rotary drum (7), the sucking disc (5) is fixedly arranged in the tank body (1) through a support (12), and the sucking disc (5) is arranged among the fiber filter discs (2);

the first backwashing pump (3) and the second backwashing pump (4) are respectively communicated with three backwashing pipes (13) and a drain pipe (14) which are communicated with the interior of the tank body (1) and respectively provided with an electromagnetic valve, the tail end of the drain pipe (14) is communicated with a sludge collecting box (15) in the tank body (1), the bottom end of the sludge collecting box (15) is communicated with a sludge sucking pipeline (16) at the bottom of the interior of the tank body (1), and one of the backwashing pipes (13) is communicated with a square round water outlet (10).

2. A rotary disc filter according to claim 1, wherein: the upper part in the tank body (1) is provided with a liquid level meter (17) for detecting the liquid level of the sewage in the tank body (1).

3. A rotary disc filter according to claim 1, wherein: the bottom of the sucker (5) is provided with a steel wire hose (18) communicated with the sludge collection box (15).

4. A rotary disc filter according to claim 1, wherein: the backwashing pipe (13) is communicated with the square round water outlet (10) through a flexible connecting pipe (19).