CN203346171U - Baffled biological aerated filter (BBAF) - Google Patents

Baffled biological aerated filter (BBAF) Download PDF

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Publication number
CN203346171U
CN203346171U CN 201320388094 CN201320388094U CN203346171U CN 203346171 U CN203346171 U CN 203346171U CN 201320388094 CN201320388094 CN 201320388094 CN 201320388094 U CN201320388094 U CN 201320388094U CN 203346171 U CN203346171 U CN 203346171U
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China
Prior art keywords
aerobic
filter
anaerobic
filter tank
supporting layer
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CN 201320388094
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Chinese (zh)
Inventor
翟剑峰
张健
王仙美
陈景雅
王兴楠
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Design group Limited by Share Ltd
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Jiangsu Provincial Communication Planning and Design Institute Co Ltd
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Abstract

The utility model discloses a baffled biological aerated filter (BBAF). The BBAF comprises a supporting layer, a body, sludge hoppers and a water inlet/outlet system, wherein the supporting layer is arranged at the lower part of the body; filter materials are arranged in both the supporting layer and the body; the sludge hoppers are arranged at the lower part of the body and pass through the supporting layer; the water inlet/outlet system is arranged inside the body and is used for sewage circulation. The BBAF has the beneficial effects that by connecting an up-flow BAF (UBAF) with a down-flow BAF (DBAF) in series, the aims of organic matter removal and nitrogen and phosphorus removal are achieved through anaerobic/aerobiotic subregions, the problem of filter material blockage is effectively relieved and purification and up-to-standard discharge of the domestic sewage are achieved; meanwhile, the BBAF is conductive to reducing the engineering energy consumption, is suitable for treating domestic sewage, landscape wastewater or plant wastewater with medium and small flows and has the characteristics of flexibility, economical efficiency, environment friendliness and the like.

Description

A kind of baffling aeration biological filter chamber
Technical field
The utility model relates to a kind of baffling aeration biological filter chamber, belongs to the waste disposal plant technical field.
Background technology
BAF (Biological Aerated Filter) is a kind of variant of ordinary biofilter, by biological contact oxidation process and a kind of aerobic biological film method waste water treatment process combined to water filtration, integrate aeration, physics and hold back, adsorb and the characteristics such as filtration, biofloculation and oxygenolysis, regularly back flushing, overcome to a certain extent the not even deficiency of ordinary biofilter oxygen supply, the easy shortcoming such as obstruction.The BAF principle of work is, the less filtrate of filling certain altitude particle diameter in filter tank, attached growth of microorganisms forms microbial film on filter material surface, carry out aeration in inside, filter tank to guarantee the normal oxygen consumption needs of microorganism, when sewage is flowed through packing layer in vertical direction, utilize characteristics and the biomembranous biological flocculation of filler high-specific surface area pollutent is adsorbed and filter, and then utilize the oxidative degradation that is attached to the high-concentration biological film on filler to carry out fast purification to sewage.
That commonly uses at present contacts with air in the same way to the middle current of upper reaches BAF (UBAF), can be issued at larger hydraulic load larger retaining power, but effluent quality is slightly poor; To the middle current of dirty BAF (DBAF), with air is reverse, contact, under the strong disturbance of air and current, mass transfer effect is good, but is prone to channel and short stream.
The utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of and combines to the upper reaches BAF with to the baffling aeration biological filter chamber of the advantage of dirty BAF.
For achieving the above object, the utility model is to realize by following technical scheme:
A kind of baffling aeration biological filter chamber, it is characterized in that, comprise supporting layer, the pond body, sludge bucket and inlet and outlet system, described supporting layer is arranged on Ti bottom, pond, be provided with filtrate in supporting layer and pond body, described pond body has three layers of tubular structure from inside to outside, form respectively anaerobic filter, the first aerobic filter tank and the second aerobic filter tank, described sludge bucket comprises anaerobic zone sludge bucket and aerobic zone sludge bucket, described anaerobic zone sludge bucket is arranged on the bottom of anaerobic filter, and through supporting layer, described aerobic zone sludge bucket is arranged on the bottom in the first aerobic filter tank and the second aerobic filter tank, also through supporting layer, described inlet and outlet system comprises water inlet pipe, effluent trough and rising pipe, described water inlet pipe is arranged in the supporting layer of anaerobic filter bottom, and the water-in of water inlet pipe is communicated with the bottom of anaerobic filter, and described effluent trough is arranged on the top in the first aerobic filter tank and the second aerobic filter tank, with the top in the first aerobic filter tank and the second aerobic filter tank, be communicated with, in addition, described rising pipe is communicated with described effluent trough.
Further, baffling aeration biological filter chamber also comprises back-purge system, described back-purge system comprises aeration tube, backwash tube, the back flushing water leg, anaerobic zone back flushing water shoot and aerobic zone back flushing water shoot, described aeration tube is arranged in the supporting layer of the first aerobic filter tank and the second bottom, aerobic filter tank, and be communicated with the bottom in the first aerobic filter tank and the second aerobic filter tank, described aerobic zone back flushing water shoot is communicated with the collecting space that the first aerobic filter tank and the second top, aerobic filter tank form, in addition, described backwash tube is arranged in the supporting layer of anaerobic filter bottom, and be communicated with the bottom of anaerobic filter, described back flushing water leg is arranged on the top of anaerobic filter, and be communicated with anaerobic zone back flushing water shoot.
Further, described aeration tube is the ring-type perforated pipe.
And the bottom of described anaerobic zone sludge bucket and aerobic zone sludge bucket all is communicated with blow-down pipe.
Described anaerobic filter, the first aerobic filter tank and the second aerobic filter tank all curl into cylindrical form by carbon steel sheet.
And described filtrate is the porous ceramic grain biofilter material.
The beneficial effects of the utility model are: utilize the utility model, sewage passes through each single pond in the mode of vertical baffling, wherein utilize UBAF to hold back suspended substance, then utilize DBAF strengthening oxidation operation and Ammonia Nitrification, in the utility model, approach complete in single pond, be rendered as on the whole pulling flow type, be easy to the anaerobic and aerobic zoning, reach the purpose of organic matter removal and denitrogenation dephosphorizing, and effectively alleviated the filter clogging problem, purification and the qualified discharge of sanitary sewage have been realized, in addition, due to can be in single pond the dominant microflora (heterotrophism of cultural characteristic pollutant removal, the nitrification and denitrification bacterium), further promote handling property, the deficiency that while is large for the traditional waste water treatment process floor space, the utility model has reduced the engineering energy consumption, is suitable for processing sanitary sewage, view waste water or plant area's waste water medium-sized, small-sized flow, has the characteristics such as handiness, economy and environment-friendly type.
the accompanying drawing explanation
The structural representation that Fig. 1 is the utility model one embodiment.
In figure, main Reference numeral implication is:
1, the 3, second aerobic filter tank, the aerobic filter tank of anaerobic filter 2, first
4, anaerobic zone sludge bucket 5, aerobic zone sludge bucket 6, back flushing water leg
7, effluent trough 8, supporting layer 9, water inlet pipe
10, aeration tube 11, backwash tube 12, anaerobic zone back flushing water shoot
13, aerobic zone back flushing water shoot 14, rising pipe 15, blow-down pipe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is carried out to concrete introduction.
The structural representation that Fig. 1 is the utility model one embodiment.
As shown in Figure 1: a kind of baffling aeration biological filter chamber, comprise supporting layer 8, pond body, sludge bucket and inlet and outlet system, described supporting layer 8 is arranged on Ti bottom, pond, in supporting layer 8 and pond body, is provided with filtrate, in the present embodiment, described filtrate is the porous ceramic grain biofilter material.
Described pond body has three layers of tubular structure from inside to outside, form respectively the aerobic filter tank 2 of anaerobic filter 1, first and the second aerobic filter tank 3, the aerobic filter tank 2 of described anaerobic filter 1, first and the second aerobic filter tank 3 all curl into cylindrical form by carbon steel sheet.
Described sludge bucket comprises anaerobic zone sludge bucket 4 and aerobic zone sludge bucket 5, described anaerobic zone sludge bucket 4 is arranged on the bottom of anaerobic filter 1, and, through supporting layer 8, described aerobic zone sludge bucket 5 is arranged on the bottom in the first aerobic filter tank 2 and the second aerobic filter tank 3, also through supporting layer 8.
Described inlet and outlet system comprises water inlet pipe 9, effluent trough 7 and rising pipe 14, described water inlet pipe 9 is arranged in the supporting layer 8 of anaerobic filter 1 bottom, and the water-in of water inlet pipe 9 is communicated with the bottom of anaerobic filter 1, and described effluent trough 7 is arranged on the top in the first aerobic filter tank 2 and the second aerobic filter tank 3, with the top in the first aerobic filter tank 2 and the second aerobic filter tank 3, be communicated with, in addition, described rising pipe 14 is communicated with described effluent trough 7.
In addition, baffling aeration biological filter chamber also comprises back-purge system, described back-purge system comprises aeration tube 10, backwash tube 11, back flushing water leg 6, anaerobic zone back flushing water shoot 12 and aerobic zone back flushing water shoot 13, described aeration tube 10 is arranged in the supporting layer 8 of the first aerobic filter tank 2 and 3 bottoms, the second aerobic filter tank, and be communicated with the bottom in the first aerobic filter tank 2 and the second aerobic filter tank 3, and described aeration tube 10 is the ring-type perforated pipe, for bacterial growth and the required oxygen of organic substance decomposing are provided, described aerobic zone back flushing water shoot 13 is communicated with the collecting space that the first aerobic filter tank 2 and 3 tops, the second aerobic filter tank form, in addition, described backwash tube 11 is arranged in the supporting layer 8 of anaerobic filter 1 bottom, and be communicated with the bottom of anaerobic filter 1, described back flushing water leg 6 is arranged on the top of anaerobic filter 1, and be communicated with anaerobic zone back flushing water shoot 12.
And all be communicated with blow-down pipe 15 in the bottom of described anaerobic zone sludge bucket 4 and aerobic zone sludge bucket 5.
The utility model working process is: sewage enters anaerobic filter 1 by water inlet pipe 9 from the bottom of anaerobic filter 1, then after flowing upward to the anaerobic filter top, enter the first aerobic filter tank 2, flow to from the top down the bottom in the first aerobic filter tank 2 in the first aerobic filter tank 2 after, enter the second aerobic filter tank 3, and, behind the second aerobic filter tank 3 of flowing through from bottom to top, enter in effluent trough 7, then by the rear outflow of rising pipe 14.
And cleaning process comprises the flushing of anaerobic filter 1 and the flushing in the first aerobic filter tank 2 and the second aerobic filter tank 3, wherein, the flushing process of anaerobic filter 1 is: cleaning water enters anaerobic filter 1 by backwash tube 11 from the bottom of anaerobic filter 1, then rinse from bottom to top anaerobic filter 1, current are discharged through back flushing water leg 6 and anaerobic zone back flushing water shoot 12; And the flushing process in the described first aerobic filter tank 2 and the second aerobic filter tank 3 is: adopt the mode that gas-water-gas three steps are rinsed, utilize aeration tube 10 air inlets (water inlet), rinsed from bottom to top through the first aerobic filter tank 2 and 3 bottoms, the second aerobic filter tank, then discharged through aerobic zone back flushing water shoot 13 again after the collecting space at the first aerobic filter tank 2 and 3 tops, the second aerobic filter tank.
In addition, after upwards bath finishes, can also open the blow-down pipe 15 of bottom, carry out, to dirty bath, aging microbial film being removed, guarantee filter tank steady running.
Utilize the utility model, sewage passes through each single pond in the mode of vertical baffling, wherein utilize UBAF to hold back suspended substance, then utilize DBAF strengthening oxidation operation and Ammonia Nitrification, in the utility model, approach complete in single pond, be rendered as on the whole pulling flow type, be easy to the anaerobic and aerobic zoning, reach the purpose of organic matter removal and denitrogenation dephosphorizing, and effectively alleviated the filter clogging problem, purification and the qualified discharge of sanitary sewage have been realized, in addition, due to can be in single pond the dominant microflora (heterotrophism of cultural characteristic pollutant removal, the nitrification and denitrification bacterium), further promote handling property, the deficiency that while is large for the traditional waste water treatment process floor space, the utility model has reduced the engineering energy consumption, is suitable for processing sanitary sewage, view waste water or plant area's waste water medium-sized, small-sized flow, has the characteristics such as handiness, economy and environment-friendly type.
The utility model is illustrated according to above-described embodiment, should be appreciated that above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technical scheme that the equivalent transformation mode obtains, within all dropping on protection domain of the present utility model.

Claims (6)

1. a baffling aeration biological filter chamber, it is characterized in that, comprise supporting layer, the pond body, sludge bucket and inlet and outlet system, described supporting layer is arranged on Ti bottom, pond, be provided with filtrate in supporting layer and pond body, described pond body has three layers of tubular structure from inside to outside, form respectively anaerobic filter, the first aerobic filter tank and the second aerobic filter tank, described sludge bucket comprises anaerobic zone sludge bucket and aerobic zone sludge bucket, described anaerobic zone sludge bucket is arranged on the bottom of anaerobic filter, and through supporting layer, described aerobic zone sludge bucket is arranged on the bottom in the first aerobic filter tank and the second aerobic filter tank, also through supporting layer, described inlet and outlet system comprises water inlet pipe, effluent trough and rising pipe, described water inlet pipe is arranged in the supporting layer of anaerobic filter bottom, and the water-in of water inlet pipe is communicated with the bottom of anaerobic filter, and described effluent trough is arranged on the top in the first aerobic filter tank and the second aerobic filter tank, with the top in the first aerobic filter tank and the second aerobic filter tank, be communicated with, in addition, described rising pipe is communicated with described effluent trough.
2. a kind of baffling aeration biological filter chamber according to claim 1, it is characterized in that, also comprise back-purge system, described back-purge system comprises aeration tube, backwash tube, the back flushing water leg, anaerobic zone back flushing water shoot and aerobic zone back flushing water shoot, described aeration tube is arranged in the supporting layer of the first aerobic filter tank and the second bottom, aerobic filter tank, and be communicated with the bottom in the first aerobic filter tank and the second aerobic filter tank, described aerobic zone back flushing water shoot is communicated with the collecting space that the first aerobic filter tank and the second top, aerobic filter tank form, in addition, described backwash tube is arranged in the supporting layer of anaerobic filter bottom, and be communicated with the bottom of anaerobic filter, described back flushing water leg is arranged on the top of anaerobic filter, and be communicated with anaerobic zone back flushing water shoot.
3. a kind of baffling aeration biological filter chamber according to claim 2, is characterized in that, described aeration tube is the ring-type perforated pipe.
4. a kind of baffling aeration biological filter chamber according to claim 1, is characterized in that, the bottom of described anaerobic zone sludge bucket and aerobic zone sludge bucket all is communicated with blow-down pipe.
5. a kind of baffling aeration biological filter chamber according to claim 1, is characterized in that, described anaerobic filter, the first aerobic filter tank and the second aerobic filter tank all curl into cylindrical form by carbon steel sheet.
6. a kind of baffling aeration biological filter chamber according to claim 1, is characterized in that, described filtrate is the porous ceramic grain biofilter material.
CN 201320388094 2013-07-02 2013-07-02 Baffled biological aerated filter (BBAF) Active CN203346171U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320388094 CN203346171U (en) 2013-07-02 2013-07-02 Baffled biological aerated filter (BBAF)

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Application Number Priority Date Filing Date Title
CN 201320388094 CN203346171U (en) 2013-07-02 2013-07-02 Baffled biological aerated filter (BBAF)

Publications (1)

Publication Number Publication Date
CN203346171U true CN203346171U (en) 2013-12-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104710078A (en) * 2015-03-12 2015-06-17 大连交通大学 Underground integrated domestic sewage treatment device and method thereof
CN105271520A (en) * 2015-09-16 2016-01-27 徐雪祥 Annular biological aerated filter and application thereof
CN105384302A (en) * 2015-09-16 2016-03-09 徐雪祥 Aquaculture wastewater processing system and method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104710078A (en) * 2015-03-12 2015-06-17 大连交通大学 Underground integrated domestic sewage treatment device and method thereof
CN104710078B (en) * 2015-03-12 2016-08-31 大连交通大学 Underground integrated domestic sewage treatment device and method
CN105271520A (en) * 2015-09-16 2016-01-27 徐雪祥 Annular biological aerated filter and application thereof
CN105384302A (en) * 2015-09-16 2016-03-09 徐雪祥 Aquaculture wastewater processing system and method thereof

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Address after: 210014 Ziyun Road, Qinhuai District, Jiangsu, No. 9, No.

Patentee after: Design group Limited by Share Ltd

Address before: Zhongshan South Road, Baixia District of Nanjing city of Jiangsu Province, No. 342 210005

Patentee before: Jiangsu Provincial Communication Planning and Design Institute Co., Ltd.