CN203683320U - MBBR (moving bed biofilm reactor) integrated device for town sewage treatment - Google Patents

MBBR (moving bed biofilm reactor) integrated device for town sewage treatment Download PDF

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Publication number
CN203683320U
CN203683320U CN201320863817.2U CN201320863817U CN203683320U CN 203683320 U CN203683320 U CN 203683320U CN 201320863817 U CN201320863817 U CN 201320863817U CN 203683320 U CN203683320 U CN 203683320U
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China
Prior art keywords
pond
mbbr
tank
aerobic
aerobic pond
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Expired - Fee Related
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CN201320863817.2U
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Chinese (zh)
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刘俊英
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BEIJING HI-STANDARD ENVIRONMENTAL EQUIPMENT Co Ltd
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BEIJING HI-STANDARD ENVIRONMENTAL EQUIPMENT Co Ltd
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Abstract

The utility model relates to an MBBR (moving bed biofilm reactor) integrated device for town sewage treatment. The device comprises a round secondary sedimentation tank as well as an oxygen deficiency tank, an aerobic tank and a disinfecting tank which surround at the periphery of the secondary sedimentation tank, wherein a water inlet tube is arranged at one end of the oxygen deficiency tank, the other end of the oxygen deficiency tank is communicated with the aerobic tank, the aerobic tank is internally provided with a second water passing partition wall and a third water passing partition wall which divides the aerobic tank into three areas, the aerobic tank is internally provided with an aeration device and an MBBR filler, the effluent groove of the aerobic tank is provided with an aerobic tank effluent tube and is communicated with the secondary sedimentation tank which is provided with a secondary sedimentation tank effluent tube, the outlet of the secondary sedimentation tank effluent tube is arranged in the disinfecting tank, and an effluent tube is arranged on the outer side wall of the disinfecting tank. The MBBR integrated device has the advantages of greatly improving processing efficiency, occupying small land, having low construction cost and low running cost, resisting impact load, and being convenient to maintain and manage, and achieves the purpose of optimization.

Description

The MBBR integrated apparatus of town sewage processing
Technical field
The utility model relates to technical field of sewage, is specifically related to the MBBR integrated apparatus of town sewage processing.
Background technology
Rapidly, the quantity of wastewater effluent in following cities and towns also constantly increases China's urbanization progress, and the sewage quantity of most of organic towns is 1000~2000m 3/ d, but Small Town Wastewater processing rate less than 1%.Directly do not discharge through the town sewage of effectively processing, local water resources and environment are around caused to serious threat, become the one of the main reasons that the regional water of China pollutes.Small Town Wastewater discharge has wide, dispersion, and sewage is difficult to unified collection; Source is many, and the water yield, variation water quality are large, and biodegradability is strong; Quantity of wastewater effluent is rapid growth year by year; Processing rate is low, taking extensive style discharge as main, and the feature such as contamination phenomenon is serious.Therefore, in order to reduce the waste of sewage discharge environmental pollution and water resources, in following certain hour to the demand of the town sewage treatment facility construction trend that becomes to rise fast.At present, town sewage treatment scale is little, has the problems such as initial cost is large, working cost is high, anti impulsion load ability is poor, removal efficiency is low, maintenance management is inconvenient, is restricting for a long time the development of process for town sewage treatment and device.
Utility model content
The purpose of this utility model is the problem for overcoming the deficiencies in the prior art and existence, and a kind of MBBR integrated apparatus that is applicable to medium and small treatment capacity, town domestic sewage processing that change in concentration scope is larger is provided.
The technical solution of the utility model:
A kind of MBBR integrated apparatus of town sewage processing, comprise second pond, anoxic pond, Aerobic Pond and sterilization pool, in described Aerobic Pond, be provided with aerating apparatus and MBBR filler, it is characterized in that, described second pond is circular vertical sedimentation tank, described anoxic pond, Aerobic Pond and sterilization pool at the peripheral ring of described second pond around forming circular pond body; One end of described anoxic pond is provided with water inlet pipe, the other end is communicated with described Aerobic Pond, described Aerobic Pond is communicated with second pond by Aerobic Pond rising pipe, described second pond is provided with second pond rising pipe, the outlet of described second pond rising pipe is located in described sterilization pool, and described sterilization pool outer side wall is provided with rising pipe.
In described second pond, be provided with guide shell, the exit end of described Aerobic Pond rising pipe is positioned at guide shell center.
Described second pond upper inside wall is provided with water exit ring groove, and described water exit ring groove is provided with second pond rising pipe.
One end that described anoxic pond is communicated with Aerobic Pond is provided with first and crosses water partition wall, and described first crosses water partition wall is provided with the baffling water-in of holding back MBBR filler water hole plate and Aerobic Pond.
In described Aerobic Pond, be provided with the second mistake water partition wall and the 3rd and cross water partition wall, Aerobic Pond is divided into first area, second area and the 3rd region, the top, one end in described Aerobic Pond the 3rd region is provided with effluent trough, and described effluent trough is provided with described Aerobic Pond rising pipe.
The preferred area of above-mentioned second pond is 2.5m 2, anoxic pond area is 1.5m 2, Aerobic Pond area is 3.7m 2, sterilization pool area is 0.8m 2.
Between described Aerobic Pond and described anoxic pond, be provided with mixed-liquor return pump.
Described MBBR filler is preferably Φ 10 × 10mm, and the best filling ratio of filler is 30%, and packing density is preferably 0.98~0.99g/cm3.
Between described second pond and anoxic pond, be provided with sludge reflux pump.
In described sterilization pool, be provided with whipping appts.
Technique effect of the present utility model:
The present invention is combined into one second pond, biochemistry pool (anoxic pond and Aerobic Pond) and sterilization pool and is shaped as circle, and the very big like this space that takies of having reduced, has saved floor space, compares currently available products and saves 30% left and right area.Secondly, the annulus that second pond periphery forms is divided into multistage biological tank, and the poor order plug-flow of following current sewage depended on pressure enters multistage biological tank, and in same volume, dwell time of sewage is longer, makes treatment effect better, and COD clearance can reach 90%.Again, filler and current are mixed completely in the whole volume of biological tank, and therefore biological tank is without obstruction, and biological tank volume is fully used, and make that initial cost and working cost are low, maintenance management is convenient.In addition, adding of MBBR filler, greatly improves denitrogenation effect, and ammonia nitrogen removal frank can reach more than 85%.
In second pond, be provided with guide shell, the exit end of Aerobic Pond rising pipe is positioned at guide shell center, can make the first following current from top to bottom in guide shell of sewage in Aerobic Pond, then after entering second pond, slowly upwards flow again, settling velocity is greater than the suspended particle sinking of current lift velocity like this, improves sludge settling efficiency.
Second pond upper inside wall is provided with water exit ring groove, and described water exit ring groove is provided with second pond rising pipe, can ensure that the liquid of clarifying on the upper strata after mud-water separation flows out second pond.
One end of anoxic pond and Aerobic Pond is provided with the first mistake water partition wall separates two treating ponds, described first crosses water partition wall is provided with and holds back MBBR filler water hole plate and can stop the MBBR filler of Aerobic Pond inner suspension to enter anoxic pond, and the baffling water-in of Aerobic Pond can make the water buffering in anoxic pond enter Aerobic Pond.
In described Aerobic Pond, be provided with the second mistake water partition wall and the 3rd and cross water partition wall, Aerobic Pond is divided into first area, second area and the 3rd region, can make so pending sewage pass through successively trizonal processing.In wherein said Aerobic Pond, be provided with aerating apparatus and MBBR filler, the advantage that combines like this activated sludge process and biomembrance process is integrated, and has improved the processing efficiency of reaction tank.The top, one end in described Aerobic Pond the 3rd region is provided with effluent trough, and described effluent trough is provided with described Aerobic Pond rising pipe, and first Aerobic Pond sewage after treatment overflow into effluent trough, then flows out from Aerobic Pond rising pipe.
The density of selected filler and water approaches, and only needs little aeration rate, just can make filler be suspended in water, fully contacts with water, and the utilization ratio that has increased oxygen makes filling ratio less simultaneously.
Between described second pond and anoxic pond, be provided with sludge reflux pump, the precipitating sludge in second pond is cleared up in anoxic pond again, ensure the working efficiency of second pond and make anoxic pond contain sufficient microorganism.
In described sterilization pool, be provided with whipping appts, ensure the abundant mixing of sterilizing agent and water, make sterilization more complete.
Brief description of the drawings
Fig. 1 is the utility model structural plan figure;
Fig. 2 is the A-A sectional view of Fig. 1.
In figure, indicate and be described as follows:
1-water inlet pipe; 2-anoxic pond; 3-Aerobic Pond; 4-effluent trough; 5-Aerobic Pond rising pipe; 6-second pond; 7-guide shell; 8-water exit ring groove; 9-second pond rising pipe; 10-sterilization pool; 11-mixed-liquor return pump; 12-sludge reflux pump; 13-rising pipe; 14-first crosses water partition wall; 15-second crosses water partition wall; 16-the 3rd crosses water partition wall; 17-MBBR filler; 18-aerating apparatus; 19-whipping appts.
Embodiment
Below in conjunction with embodiment, the utility model is further explained the utility model in order better to explain.
MBBR integrated apparatus for town sewage processing of the present utility model, its structure as shown in Figure 1, comprise circular second pond 6, described second pond 6 is vertical sedimentation tank, in pond, be provided with guide shell 7, second pond 6 upper inside wall are provided with water exit ring groove 8, and described water exit ring groove 8 is provided with second pond rising pipe 9.The periphery of second pond 6 is respectively around being provided with anoxic pond 2, Aerobic Pond 3 and sterilization pool 10, and described anoxic pond 2, Aerobic Pond 3 and sterilization pool 10 form circular pond body, taking treatment capacity as 50m 3/ d is example, and second pond area is 2.5m 2, anoxic pond area is 1.5m 2, Aerobic Pond area is 3.7m 2, sterilization pool area is 0.8m 2.
The outer side wall place of one end of described anoxic pond 2 is provided with water inlet pipe 1, and one end of the other end of anoxic pond 2 and Aerobic Pond 3 is provided with first and crosses water partition wall 14, and described first crosses water partition wall 14 is provided with the water hole plate of holding back MBBR filler and the baffling water-in that enters Aerobic Pond 3.
In described Aerobic Pond, be provided with the second mistake water partition wall 15 and the 3rd and cross water partition wall 16, Aerobic Pond is divided into first area, second area and the 3rd region; In Aerobic Pond 3, be provided with aerating apparatus 18 and MBBR filler 17; The top, one end in Aerobic Pond the 3rd region is provided with effluent trough 4, and described effluent trough 4 is provided with Aerobic Pond rising pipe 5, and the exit end of described rising pipe 5 is positioned at described guide shell 7 centers; Between Aerobic Pond 3 and anoxic pond 2, be provided with mixed-liquor return pump 11, the import of described mixed-liquor return pump 11 is positioned at Aerobic Pond 3 the 3rd region, and outlet is positioned at anoxic pond 2; Between settling tank 6 and anoxic pond 2, be provided with sludge reflux pump 12.
In described sterilization pool 10, have second pond rising pipe 9, sterilization pool outer side wall is provided with rising pipe 13 and whipping appts 19.
The treatment process that is used for the MBBR integrated apparatus of town sewage processing is: first the mixed solution that the sewage of water inlet pipe 1, the mud that sludge reflux pump 12 aspirates and mixed-liquor return pump 11 reflux after the interior mixing of anoxic pond 2, carries out biochemical reaction to reach the object of part denitrogenation; Sewage depended on pressure is poor enters Aerobic Pond 3 by crossing water partition wall order plug-flow, in described Aerobic Pond 3, carry out sufficient aeration and fully contact with MBBR filler 17, most of organism obtains digestion degraded, mixed solution in described Aerobic Pond 3 is back to described anoxic pond 2 by mixed-liquor return pump 11, to ensure that anoxic pond has enough nitrate simultaneously; Then first sewage enter guide shell 7 by Aerobic Pond rising pipe 5, sewage flows into second pond 6 from top to bottom from guide shell 7, carry out mud-water separation, partly precipitated mud is entered to described anoxic pond 2 through the suction of sludge reflux pump 12 simultaneously, so that sufficient microorganism to be provided; Water outlet after mud-water separation enters second pond rising pipe 9 by overflowing into water exit ring groove 8, then flows in sterilization pool 9 and carries out disinfection, and last, water is from rising pipe 13 bleeders.
The present embodiment working status parameter is as follows:
The sewage water yield: 50m 3/ d,
Second pond floor space: 2.5m 2,
Sewage quality pH:6~9,
Floating stuffing filling ratio: 30%,
MBBR filler size is Φ 10 × 10mm, the density of floating stuffing: 0.98~0.99g/cm 3, specific surface area: 1200,
COD clearance 90%, NH4 +-N clearance 85%.
From above-mentioned data, the present embodiment has greatly reduced the space taking, and has saved floor space, and COD clearance and ammonia nitrogen removal frank are all very high.
The above embodiment can make those skilled in the art's comprehend the utility model; but limit never in any form the claimed scope of the utility model; all do not depart from technical scheme and the improvement thereof of the spirit and scope of this patent; such as different mode of communicating etc. between each pond, it is all encompassed in the middle of the protection domain of this patent.

Claims (10)

1. the MBBR integrated apparatus of a town sewage processing, comprise second pond, anoxic pond, Aerobic Pond and sterilization pool, in described Aerobic Pond, be provided with aerating apparatus and MBBR filler, it is characterized in that, described second pond is circular vertical sedimentation tank, described anoxic pond, Aerobic Pond and sterilization pool at the peripheral ring of described second pond around forming circular pond body; One end of described anoxic pond is provided with water inlet pipe, the other end is communicated with described Aerobic Pond, described Aerobic Pond is communicated with second pond by Aerobic Pond rising pipe, described second pond is provided with second pond rising pipe, the outlet of described second pond rising pipe is located in described sterilization pool, and described sterilization pool outer side wall is provided with rising pipe.
2. the MBBR integrated apparatus of a kind of town sewage processing according to claim 1, is characterized in that being provided with guide shell in described second pond, and the exit end of described Aerobic Pond rising pipe is positioned at guide shell center.
3. the MBBR integrated apparatus of a kind of town sewage processing according to claim 1, is characterized in that described second pond upper inside wall is provided with water exit ring groove, and described water exit ring groove is provided with described second pond rising pipe.
4. the MBBR integrated apparatus of a kind of town sewage processing according to claim 1, it is characterized in that one end that described anoxic pond is communicated with Aerobic Pond is provided with the first mistake water partition wall, described first crosses water partition wall is provided with the baffling water-in of holding back MBBR filler water hole plate and Aerobic Pond.
5. the MBBR integrated apparatus of a kind of town sewage processing according to claim 4, it is characterized in that in described Aerobic Pond, being provided with the second mistake water partition wall and the 3rd crosses water partition wall, Aerobic Pond is divided into first area, second area and the 3rd region, the top, one end in described Aerobic Pond the 3rd region is provided with effluent trough, and described effluent trough is provided with described Aerobic Pond rising pipe.
6. the MBBR integrated apparatus of a kind of town sewage processing according to claim 5, is characterized in that described second pond area is 2.5m 2, anoxic pond area is 1.5m 2, Aerobic Pond area is 3.7m 2, sterilization pool area is 0.8m 2.
7. the MBBR integrated apparatus of a kind of town sewage processing according to claim 1, is characterized in that being provided with mixed-liquor return pump between described Aerobic Pond and described anoxic pond.
8. the MBBR integrated apparatus of a kind of town sewage processing according to claim 1, is characterized in that described MBBR filler is Φ 10 × 10mm, and the filling ratio of filler is 30%, and packing density is 0.98~0.99g/cm 3.
9. the MBBR integrated apparatus of a kind of town sewage processing according to claim 1, is characterized in that being provided with sludge reflux pump between described second pond and anoxic pond.
10. the MBBR integrated apparatus of a kind of town sewage processing according to claim 1, is characterized in that being provided with whipping appts in described sterilization pool.
CN201320863817.2U 2013-12-25 2013-12-25 MBBR (moving bed biofilm reactor) integrated device for town sewage treatment Expired - Fee Related CN203683320U (en)

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Application Number Priority Date Filing Date Title
CN201320863817.2U CN203683320U (en) 2013-12-25 2013-12-25 MBBR (moving bed biofilm reactor) integrated device for town sewage treatment

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105641996A (en) * 2016-03-14 2016-06-08 大连宇都环境技术材料有限公司 Solid-liquid separator for water treatment and water treatment pond
CN106396057A (en) * 2016-10-28 2017-02-15 武汉工程大学 Multifunctional integrated sewage treatment equipment
CN107324611A (en) * 2017-08-28 2017-11-07 北京天成信泰环保科技发展有限公司 A kind of low biochemical industrial park sewage treatment process
CN108128986A (en) * 2018-01-29 2018-06-08 北京桑德环境工程有限公司 Integrated multistage AO decentralized sewage treatment devices and method
CN109665665A (en) * 2018-06-29 2019-04-23 上海约安水技术有限公司 Integrated sewage treating apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105641996A (en) * 2016-03-14 2016-06-08 大连宇都环境技术材料有限公司 Solid-liquid separator for water treatment and water treatment pond
CN106396057A (en) * 2016-10-28 2017-02-15 武汉工程大学 Multifunctional integrated sewage treatment equipment
CN106396057B (en) * 2016-10-28 2023-09-26 武汉工程大学 Multifunctional integrated sewage treatment equipment
CN107324611A (en) * 2017-08-28 2017-11-07 北京天成信泰环保科技发展有限公司 A kind of low biochemical industrial park sewage treatment process
CN108128986A (en) * 2018-01-29 2018-06-08 北京桑德环境工程有限公司 Integrated multistage AO decentralized sewage treatment devices and method
CN109665665A (en) * 2018-06-29 2019-04-23 上海约安水技术有限公司 Integrated sewage treating apparatus

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20140702

Termination date: 20211225