CN208166657U - A kind of turntable filter chamber - Google Patents

Abstract

The utility model discloses a kind of turntable filter chambers, including pond body；The pond body is equipped between the first filtering area, the second filtering area and third filtering area and the first filtering area and the second filtering area, is equipped with unidirectional filtering diaphragm plate between the second filtering area and third filtering area, it is equipped with cleaning device at the top of pond body and cleaning device is equipped with the water inlet pipe and outlet pipe connecting with the first filtering area, the second filtering area, third filtering area, pond body side is equipped with controller and controller is equipped with level monitoring system.The utility model is equipped with the first filtering area, the second filtering area and third filtering area；First filtering area and third filtering area are equipped with zigzag fibre turntable；Second filtering area is equipped with the biological rotor for being equipped with helical form biomembrane blade.

Description

a rotary disc filter

technical field

The utility model relates to the field of environmental protection equipment, in particular to a rotary filter.

Background technique

The rotary disc filter process is an advanced process for advanced treatment or reclaimed water reuse. It is usually installed after the secondary biochemical treatment system to filter the effluent from the secondary sedimentation tank and further remove suspended solids, COD, phosphorus and other pollutants. It works very well. This process is especially suitable for new sewage treatment plants with high standard discharge requirements and upgrading of existing sewage plants. The rotary disc filter first appeared in foreign countries. The direction of the filtered water flow is from the outside to the inside. It is backwashed by the reverse suction method of rotating the rotary disc and fixing the suction cup. Later, someone made a series of optimizations on the original rotary disc filter and invented the fiber filter. Rotary filter. The rotary disc filter of the prior art is not provided with three filtration areas, the fiber rotary disc of the prior art is not provided with a serrated fiber disc, and the biological rotor of the biological rotary disc of the prior art is provided with spiral biofilm blades , the filtering effect is not ideal. Therefore, new technologies are urgently needed to improve the deficiencies of the prior art.

Utility model content

Purpose of the utility model: Aiming at the deficiencies and defects of the prior art, the utility model provides a filter with a first filter area, a second filter area and a third filter area; the first filter area and the third filter area are provided with jagged fiber Turntable; the second filter zone is provided with a turntable filter tank with a biological rotor equipped with spiral biofilm blades.

Technical solution: A turntable filter of the present utility model is characterized in that it includes a pool body; the pool body is provided with a first filter area, a second filter area and a third filter area, and the first filter area and the second filter area A one-way filter membrane plate is provided between the filter areas, between the second filter area and the third filter area, and a cleaning device is installed on the top of the pool body, and the cleaning device is equipped with the first filter area, the second filter area, and the third filter area. The water inlet pipe and the water outlet pipe connected to the area, the side of the pool body is equipped with a controller and the controller is equipped with a liquid level monitoring system;

The first filter area, the second filter area, and the bottom of the third filter area are provided with a sludge hopper and the sludge hopper is connected to the sludge discharge pipe. Two zigzag fiber turntables are connected, and the center shaft of the fiber turntable in the first filter area is provided with an L-shaped central tube I and the L-shaped central tube I is connected to the one-way filter membrane plate between the first filter area and the second filter area; The second filter area is provided with a biological rotor shaft and the biological rotor shaft is connected to several biological rotors; the biological rotor is provided with several spiral biofilm blades; the third filter area is provided with a fiber turntable center The rotating shaft and the central rotating shaft of the fiber rotating disc are connected with several saw-toothed fiber rotating discs. The central rotating shaft of the fiber rotating disc in the third filter area is provided with an L-shaped central tube II; the outside of the saw-toothed fiber rotating disc is provided with a fiber filter cloth.

Wherein, the inside of the sludge hopper is equipped with an ozone generator.

Wherein, the fiber filter cloth outside the zigzag fiber turntable is polyester fiber filter cloth.

Wherein, the central rotating shaft of the fiber turntable and the biological rotor shaft are connected with an external driving device. The drive device includes a drive turntable, a rotating chain, a water turbine turntable and a water turbine; the number of the drive turntables is 3 and the drive turntables are respectively arranged on the sides of the central shaft of the two fiber turntables and the biological rotor shaft; the three drive turntables It is respectively connected with three water turbine turntables installed on the water turbine rotating shaft by rotating the chain.

Beneficial effects: compared with the prior art, the utility model has the following significant advantages: the utility model is provided with a first filter area, a second filter area and a third filter area, and the first filter area and the third filter area are provided with sawtooth Shaped fiber turntable; the second filter area is equipped with a biological rotor equipped with spiral biofilm blades; effectively improving the filtering effect.

Description of drawings

Fig. 1 is the structural representation of the utility model;

In the figure, 1 is the pool body, 2 is the sludge hopper, 3 is the serrated fiber turntable, 4 is the central shaft of the fiber turntable, 5 is the biological rotor shaft, 6 is the controller, 7 is the cleaning device, and 8 is the one-way filter membrane plate , 9 is the spiral biofilm blade, 10 is the biological rotor, 11 is the first filter area, 12 is the second filter area, 13 is the third filter area, 14 is the L-shaped center pipe I, 15 is the mud discharge pipe, 16 It is L-shaped central tube II.

Detailed ways

The technical solutions of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

A rotary filter of the present utility model comprises a pool body 1; the pool body 1 is provided with a first filter area 11, a second filter area 12 and a third filter area 13 and the first filter area 11 and the second filter area 12 A one-way filter membrane plate 8 is provided between the second filter area 12 and the third filter area 13, and a cleaning device 7 is provided on the top of the pool body 1, and the cleaning device 7 is provided with the first filter area 11 and the second filter area. 12. The water inlet pipe and the water outlet pipe connected to the third filter area 13, the side of the pool body 1 is equipped with a controller 6 and the controller 6 is equipped with a liquid level monitoring system; the first filter area 11, the second filter area 12, the third filter area A sludge hopper 2 is provided at the bottom of the filter area 13 and the sludge hopper 2 is connected to the sludge discharge pipe 15. An ozone generator is provided inside the sludge hopper 2. The first filter area 11 is provided with a fiber turntable center shaft 4 and a fiber turntable center shaft 4. It is connected with several zigzag fiber turntables 3, and the center shaft 4 of the fiber turntable in the first filter area 11 is provided with an L-shaped central tube I14 and between the L-shaped central tube I14 and the first filter area 11 and the second filter area 12 The one-way filter membrane plate 8 is connected; the second filter area 12 is provided with a biological rotor shaft 5 and the biological rotor shaft 5 is connected with several biological rotors 10; the biological rotor 10 is provided with several spiral biofilm blades 9; the third filter Zone 13 is provided with a fiber turntable center shaft 4 and the fiber turntable center shaft 4 is connected to several serrated fiber turntables 3, and the fiber turntable center shaft 4 of the third filter area 13 is provided with an L-shaped central tube II16 inside; the serrated fiber turntable 3 Fiber filter cloth is arranged outside, and the fiber filter cloth is polyester fiber filter cloth. The central rotating shaft 4 of the fiber turntable and the biological rotor shaft 5 are connected to the external driving device; the driving device includes a driving turntable, a rotating chain, a water turbine turntable and a water turbine; the number of driving turntables is 3 and the driving turntables are respectively arranged on two fiber turntable center rotating shafts 4 and the side of the biological rotor shaft 5; the three driving turntables are respectively connected with three turntables of the water turbine installed on the rotating shaft of the water turbine through rotating chains.

When in use, the sewage enters the first filter area 11 of the pool body 1, and is continuously contacted and filtered by the rotation of the saw-toothed fiber turntable 3. The one-way filter membrane plate 8 connected to the central pipe I14 is filtered and flows into the second filter area 12. The biological rotor 10 in the second filter area 12 is provided with a spiral biofilm blade 9, and the biofilm on the spiral biofilm blade 9 It is an ecosystem composed of highly dense aerobic bacteria, anaerobic bacteria, facultative bacteria, fungi, protozoa, and algae. The biofilm first adsorbs and attaches to the organic matter in the water layer, and the aerobic bacteria in the aerobic layer decompose it, and then enter The anaerobic layer undergoes anaerobic decomposition, and the flowing water layer washes away the aged biofilm to grow new biofilm, and so on to achieve the purpose of purifying sewage. Air enters through the air-water holes on the end surface of the biological rotor 10, mixes with sewage, and undergoes three-phase contact and mass transfer of oxygen, sewage, and microorganisms to realize the degradation of carbon-containing organic matter and the nitrification process of nitrogen-containing organic matter. At the same time, the rotating spiral biofilm blade 9 is washed by the sewage, and the aging biofilm falls off to form a new biofilm, thereby achieving the process of continuous renewal of the biological system. The sewage filtered by the second filter area 12 passes through the one-way filter membrane plate 8 It flows into the third filter area 13, and is continuously contacted and filtered by the rotation of the sawtooth fiber turntable 3 and the sewage. The filtered clean water enters the L-shaped center pipe II16 in the center shaft 4 of the fiber turntable and then flows out into the clear water pool. During the filtration process, suspended solids will gradually accumulate on the surface of the jagged fiber turntable 3, resulting in increased head loss and rising water level. The controller 6 is connected to the liquid level monitoring system. When the liquid level rises to a certain position, the backwashing mode is activated. The sludge hopper 2 below the first filter area 11, the second filter area 12, and the third filter area 13 is beneficial to the collection of pollutants at the bottom of the pool. The pollutants in the sludge hopper 2 are controlled by time, and the mud is discharged within a set time interval, and the pollutants are discharged into the drainage pipe network through the mud discharge pipe 15 at the bottom.

Claims (5)

1. A rotary disc filter, characterized in that: it comprises a pool body (1); said pool body (1) is provided with a first filter area (11), a second filter area (12) and a third filter area ( 13) and between the first filter area (11) and the second filter area (12), between the second filter area (12) and the third filter area (13), a one-way filter membrane plate (8) is provided, and the pool The top of the body (1) is provided with a cleaning device (7), and the cleaning device (7) is provided with a water inlet and an outlet connected to the first filter area (11), the second filter area (12), and the third filter area (13). The water pipe, the side of the pool body (1) is provided with a controller (6) and the controller (6) is provided with a liquid level monitoring system; A sludge bucket (2) is provided at the bottom of the first filter zone (11), the second filter zone (12), and the third filter zone (13), and the sludge bucket (2) is connected to the sludge discharge pipe (15) , the first filter area (11) is provided with a fiber turntable center shaft (4) and the fiber turntable center shaft (4) is connected with several zigzag fiber turntables (3), the fiber turntable center shaft of the first filter area (11) ( 4) There is an L-shaped center tube I (14) inside and the L-shaped center tube I (14) is connected to the one-way filter membrane plate (8) between the first filter area (11) and the second filter area (12) ; The second filter area (12) is provided with a biological rotor shaft (5) and the biological rotor shaft (5) is connected with several biological rotors (10); the biological rotor (10) is provided with several helical Biofilm blades (9); the third filter area (13) is provided with a fiber turntable center shaft (4) and the fiber turntable center shaft (4) is connected to several serrated fiber turntables (3), the third filter area (13) The center rotating shaft (4) of the fiber turntable is provided with an L-shaped center pipe II (16) inside; the zigzag fiber turntable (3) is provided with a fiber filter cloth outside. 2. A rotary disc filter according to claim 1, characterized in that an ozone generating device is provided inside the sludge hopper (2). 3. A rotary disc filter according to claim 1, characterized in that: the fiber filter cloth outside the zigzag fiber rotary disc (3) is polyester fiber filter cloth. 4. A rotary disc filter according to claim 1, characterized in that: the central rotating shaft (4) of the fiber rotary disc and the biological rotor shaft (5) are connected with an external driving device. 5. A kind of rotary disc filter according to claim 4, characterized in that: the drive device comprises a drive turntable, a rotating chain, a water turbine turntable and a water turbine; the number of the drive turntables is 3 and the drive turntables are respectively set On the sides of the central rotating shaft (4) of the two fiber rotating disks and the biological rotor shaft (5); the three driving rotating disks are respectively connected with three rotating disks of the hydraulic turbine installed on the rotating shaft of the hydraulic turbine through rotating chains.