CN210764847U

CN210764847U - Improved aeration biological filter device

Info

Publication number: CN210764847U
Application number: CN201921013445.8U
Authority: CN
Inventors: 俞盛; 王珍; 朱吉祥
Original assignee: Wuxi Xingsheng Environmental Protection Equipment Co ltd
Current assignee: Wuxi Xingsheng Environmental Protection Equipment Co ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-06-16
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a modified bological aerated filter device, including the filtering ponds, the suction box is installed to one side of filtering ponds, the external pipe is installed to one side of suction box, the rose box is installed to the suction box lower extreme, the inboard of rose box is installed and is separated the olive net by thick, the inlet pipe is installed to one side of rose box, the pipeline is installed to the lower extreme of rose box, the outlet box is installed to the opposite side of filtering ponds, the drain pipe is installed to the lower terminal surface of outlet box, one side of filtering ponds inner wall is installed and is cut off, cut off the lower extreme of one side and install the filter, the aerator is installed to the upper end of filter, the cobble precoat is installed to the up end of aerator, the filter is installed to the up end of cobble precoat. The utility model discloses an improved the device, the inside wall of installing additional of filtering ponds, when guaranteeing that the device internal plant filters waste water, can guarantee that each item filtering program can reach the maximize filter effect.

Description

Improved aeration biological filter device

Technical Field

The utility model relates to the technical field of biological aerated filter, in particular to a modified biological aerated filter device.

Background

An aeration biological filter tank, called BAF for short, is a novel sewage treatment process by a biomembrane method developed in Europe and America at the end of eighty years, is greatly developed in the early nineties, reaches dozens of thousands of tons per day at the maximum scale, can remove nitrogen and phosphorus, has the advantages of high organic load, small floor area, less investment, no sludge expansion, high oxygen transmission efficiency, good effluent quality and the like compared with a common activated sludge method, but has strict requirements on water inlet, so that the inlet water needs to be pretreated, meanwhile, the backwashing water quantity and water head loss of the aeration biological filter tank are large, the aeration biological filter tank integrates biological oxidation and suspended solid interception, the subsequent sedimentation tank is saved, and the aeration biological filter tank has the advantages of large volume load, large hydraulic load, short hydraulic retention time, less required capital construction investment and good effluent quality: low operation energy consumption and low operation cost.

However, the existing filter tank has incomplete filtering effect, does not have the function of isolation and filtration, and cannot repeatedly filter; therefore, the existing requirements are not met, and an improved aeration biological filter device is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modified bological aerated filter device to the filtering ponds filter effect who provides is not thorough among the solution above-mentioned background art, does not possess and keeps apart filterable function, and can not repeat the filtration scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: an improved biological aerated filter device comprises a filter tank, a water pumping box is arranged at one side of the filter tank, an external pipe is installed on one side of the pumping box, a filter box is installed at the lower end of the pumping box, a coarse olive separating net is installed on the inner side of the filter box, a feeding pipe is arranged on one side of the filtering tank, a pipeline is arranged at the lower end of the filtering tank, a water outlet tank is arranged on the other side of the filtering tank, a drain pipe is arranged on the lower end surface of the water outlet tank, a partition is arranged on one side of the inner wall of the filtering tank, the lower end of one side of the partition is provided with a filter head, the upper end of the filter head is provided with an aerator, the upper end surface of the aerator is provided with a pebble filter material layer, the upper end surface of the pebble filter material layer is provided with a filter plate, the other side of the partition is provided with a biological filter membrane, and a circulating water pipe is arranged on the lower end surface of the filtering tank, and an aeration pipe is arranged on the outer surface of one side of the filtering tank.

Preferably, a filter plate is installed on one side of the partition, and the partition is fixed with the filter plate through bolts.

Preferably, the suction box is installed to one side of filtering ponds, filtering ponds pass through the pipe connection with the suction box.

Preferably, a biological filter membrane is installed on one side of the partition, and the partition and the biological filter membrane are fixed through a clamping groove.

Preferably, a filtering tank is installed on the upper end face of the circulating water pipe, and the circulating water pipe is fixed with the filtering tank through insertion.

Preferably, one side of the filter box is completely attached to one side of the filter tank, and the filter box is connected with the filter tank through a pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install the wall additional inside the filtering ponds, when can guaranteeing that the equipment inside the device filters waste water, can guarantee that each item filtering program can reach maximize filter effect, discharge biological filter material through the inlet pipe and enter into the filtering ponds, can adsorb aquatic wastes material, adsorb biological filter membrane at last, this mechanism can filter the wastes material in the waste water completely, make quality of water accomplish the cubic standard of arranging, the filter is the important part of bological aerated filter, can filter a large amount of pollutants in the waste water, guarantee that water quality reaches certain standard, make things convenient for the program operation on next step;

2. the utility model discloses a suction box can be with waste water suction filtering ponds bottom, for the whole power support that provides of device, guarantees the normal operating of rivers, and biological filter membrane has stronger adaptability to the change of sewage quality, water yield, and the management is convenient, can not take place the mud inflation, and long service life is stable, and the mud of production is few, improves filtration efficiency, reduces the cost.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a sectional view of the whole body of the present invention;

fig. 3 is a partially-sectioned schematic view of the filter box of the present invention.

In the figure: 1. a filtration tank; 2. separating; 3. a water outlet tank; 4. a water pumping box; 5. an external connection pipe; 6. a filter box; 7. a feed pipe; 8. an aeration pipe; 9. a circulating water pipe; 10. a filter head; 11. an aerator; 12. a pebble filter material layer; 13. a filter plate; 14. biological filtration membranes; 15. a drain pipe; 16. coarse olive net; 17. a pipeline.

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 to fig. 3, the present invention provides an embodiment: an improved biological aerated filter device comprises a filter tank 1, a water pumping box 4 is arranged on one side of the filter tank 1, an external connecting pipe 5 is arranged on one side of the water pumping box 4, a filter box 6 is arranged at the lower end of the water pumping box 4, a coarse filter screen 16 is arranged on the inner side of the filter box 6, a feeding pipe 7 is arranged on one side of the filter box 6, a pipeline 17 is arranged at the lower end of the filter box 6, a water outlet box 3 is arranged on the other side of the filter tank 1, a drain pipe 15 is arranged on the lower end surface of the water outlet box 3, a partition 2 is arranged on one side of the inner wall of the filter tank 1, a filter head 10 is arranged at the lower end of one side of the partition 2, an aerator 11 is arranged at the upper end of the aerator 11, a pebble filter material layer 12 is arranged on the upper end surface of the pebble filter material layer 12, the filter plate 13 is an important component of the, the biological filter membrane 14 is installed on the other side of the partition 2, the biological filter membrane 14 has strong adaptability to the change of the quality and quantity of sewage, the management is convenient, the sludge expansion cannot occur, the service life is long and stable, the produced sludge is less, the filtering efficiency is improved, the cost is reduced, the circulating water pipe 9 is installed on the lower end face of the filtering tank 1, and the aeration pipe 8 is installed on the outer surface of one side of the filtering tank 1.

Furthermore, a filter plate 13 is installed on one side of the partition 2, the partition 2 and the filter plate 13 are fixed through bolts, and the filter plate 13 is an important part of the biological aerated filter, can filter a large amount of pollutants in wastewater, ensures that the water quality reaches a certain standard, and is convenient for the next program operation.

Further, suction box 4 is installed to one side of filtering ponds 1, and filtering ponds 1 passes through the pipeline 17 with suction box 4 and is connected, and suction box 4 can be with 1 bottoms of waste water suction filtering ponds, for the whole power support that provides of device, guarantees the normal operating of rivers.

Furthermore, a biological filter membrane 14 is installed on one side of the partition 2, the partition 2 and the biological filter membrane 14 are fixed through a clamping groove, the biological filter membrane 14 has strong adaptability to the change of the quality and the quantity of sewage, the management is convenient, the sludge expansion cannot occur, the service life is long, the stability is realized, the generated sludge is less, the filtering efficiency is improved, and the cost is reduced.

Further, filtering ponds 1 are installed to circulating pipe 9's up end, and circulating pipe 9 is fixed through pegging graft with filtering ponds 1, and circulating pipe 9 can be with filtering unqualified waste water, takes back once more and filters to can alleviate the filtration burden in filtering ponds 1, the pollution degree of neutralization inside waste water.

Further, one side of rose box 6 is laminated completely with one side of filtering ponds 1, rose box 6 passes through the pipeline 17 with filtering ponds 1 and is connected, and rose box 6 can carry out prefilter with waste water, discharges biological filter material through inlet pipe 7 and enters into filtering ponds 1, live aquatic wastes material absorption, and at last in adsorbing biological filtration membrane 14, this mechanism can be with the wastes material complete filtration in the waste water.

The working principle is as follows: when the device is used, the working state of the device in the device is checked, the device is installed in a working area, after all pipelines are connected, the power is switched on, the machine is started, the water pumping box 4 can quickly pump the wastewater to the bottom of the filter tank 1 to provide power support for the whole device and ensure the normal operation of water flow, when the wastewater passes through the filter box 6, the filter box 6 can preliminarily filter the wastewater, then the wastewater is filtered by the filter head 10, then the aerator 11 carries out aeration treatment on the water, the filter plate 13 can filter a large amount of pollutants in the wastewater after passing through the pebble filter material layer 12 to ensure that the water quality reaches a certain standard, the next step of program operation is convenient, finally, the wastewater is filtered by the biological filter membrane 14 to reach the standard quality, the biological filter membrane 14 has strong adaptability to the change of water quality and water quantity, the management is convenient, and sludge expansion cannot occur, long service life, it is stable, the mud of production is few, improves filtration efficiency, reduces the cost, and when quality of water does not reach standard, circulating water pipe 9 can be with filtering not up to standard waste water, takes back once more and filters to can alleviate the filtration burden in filtering ponds 1, with the pollution degree of inside waste water.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An improved biological aerated filter device, which comprises a filter tank (1), and is characterized in that: the water pumping tank (4) is installed on one side of the filtering tank (1), an external pipe (5) is installed on one side of the water pumping tank (4), the filtering tank (6) is installed at the lower end of the water pumping tank (4), a coarse filtering net (16) is installed on the inner side of the filtering tank (6), an inlet pipe (7) is installed on one side of the filtering tank (6), a pipeline (17) is installed at the lower end of the filtering tank (6), a water outlet tank (3) is installed on the other side of the filtering tank (1), a water outlet pipe (15) is installed on the lower end face of the water outlet tank (3), a partition (2) is installed on one side of the inner wall of the filtering tank (1), a filter head (10) is installed at the lower end of one side of the partition (2), an aerator (11) is installed at the upper end of the filter head (10), a pebble filter material layer (12) is installed at the upper end face of the aerator (11), and, the biological filter membrane (14) is installed on the other side of the partition (2), the circulating water pipe (9) is installed on the lower end face of the filter tank (1), and the aeration pipe (8) is installed on the outer surface of one side of the filter tank (1).

2. An improved biological aerated filter apparatus according to claim 1 wherein: a filter plate (13) is installed on one side of the partition (2), and the partition (2) is fixed with the filter plate (13) through bolts.

3. An improved biological aerated filter apparatus according to claim 1 wherein: the filtering tank (1) is connected with the pumping box (4) through a pipeline (17).

4. An improved biological aerated filter apparatus according to claim 1 wherein: one side of the partition (2) is provided with a biological filter membrane (14), and the partition (2) and the biological filter membrane (14) are fixed through a clamping groove.

5. An improved biological aerated filter apparatus according to claim 1 wherein: the filtering tank (1) is installed on the upper end face of the circulating water pipe (9), and the circulating water pipe (9) is fixed with the filtering tank (1) in an inserting mode.

6. An improved biological aerated filter apparatus according to claim 1 wherein: one side of the filter box (6) is completely attached to one side of the filter tank (1), and the filter box (6) is connected with the filter tank (1) through a pipeline (17).