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CN105129976A - Integrated MBR (Membrane) and micro-fauna biological bed combination device - Google Patents

Integrated MBR (Membrane) and micro-fauna biological bed combination device Download PDF

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Publication number
CN105129976A
CN105129976A CN201510622875.XA CN201510622875A CN105129976A CN 105129976 A CN105129976 A CN 105129976A CN 201510622875 A CN201510622875 A CN 201510622875A CN 105129976 A CN105129976 A CN 105129976A
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micro
mbr
biological bed
animal biological
animal
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田禹
孙丽
张军
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Harbin Institute of Technology Shenzhen
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Harbin Institute of Technology Shenzhen
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Priority to CN201510622875.XA priority Critical patent/CN105129976A/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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Abstract

一体式MBR及微型动物生物床组合装置，它涉及一体式MBR及微型动物生物床组合装置。本发明要解决MBR和微型动物生物床分置式工艺占地面积大、投资和运营成本高的问题。本发明的一体式MBR及微型动物生物床组合装置，其特征在于它包括MBR和微型动物生物床，所述的MBR和微型动物生物床的组合方式分为内外组合和左右组合。本次发明首次把MBR膜生物反应器与微型动物生物床进行一体化组合。一体式MBR微型动物生物床组合工艺及设备可实现污水高效处理，污泥减量60％以上，膜污染频率降低30％以上，占地面积大大缩小，基建及运行成本大幅降低。

An integrated MBR and micro animal biological bed combination device relates to an integrated MBR and micro animal biological bed combined device. The invention aims to solve the problems of large occupied area and high investment and operation costs of the separated process of MBR and micro-animal biological bed. The integrated MBR and micro-animal biological bed combination device of the present invention is characterized in that it includes MBR and micro-animal biological bed, and the combination of MBR and micro-animal biological bed is divided into internal and external combination and left and right combination. This invention integrates the MBR membrane bioreactor and the micro-animal biological bed for the first time. The integrated MBR micro-animal biological bed combination process and equipment can realize efficient sewage treatment, reduce sludge volume by more than 60%, reduce membrane fouling frequency by more than 30%, greatly reduce the occupied area, and greatly reduce infrastructure and operating costs.

Description

Submerged MBRs and microfauna biological bed combination unit
Technical field
The present invention relates to submerged MBRs and microfauna biological bed combination unit.
Background technology
MBR is efficient sewage treatment process, has stable good wastewater treatment efficiency, can operate under high concentration sludge condition and have the advantages such as level of automation is high, strong adaptability, be called as the water technology of 21 century the best.But MBR easily membrane pollution problem occurs in the process of application, cause flux depression, cross osmolality rising, frequently Membrane cleaning and film replacement, these all directly or indirectly add MBR system and safeguard and running cost.Membrane pollution problem be restriction MBR more widespread commercialization application technical bottleneck.
Utilizing microfauna prey effect to carry out mud decrement has efficiently, the advantages such as ecological, environmental protective, early-stage Study finds that microfauna prey effect effectively can improve sludge quality simultaneously, microfauna prey process can cut down the content of main membrane pollutent EPS, the hyphomycetic excess growth of effective suppression, reduce sewage sludge viscosity and improve the strainability of mud, can the generation of effective decelerating membrane pollution in sludge reflux to MBR system after predation, improve MBR mud decrement and wastewater treatment efficiency simultaneously, but existing MBR and microfauna biological bed combination process are separated types, although achieve mud decrement and control membrane fouling to a certain extent, but the pump line road of technique connects complicated, floor space is large.Therefore exploitation effectively can control mud growth, submerged MBRs that decelerating membrane pollution occurrence frequency, floor space and running cost all reduce and microfauna biological bed combination process and equipment, there is important research meaning and wide application prospect.
Summary of the invention
The object of this invention is to provide a kind of submerged MBRs and microfauna biological bed combination process, which overcome that MBR and microfauna biological bed separated type technique floor space are large, investment and the high defect of operation cost, for sewage work provides a kind of sewage sludge treatment process and equipment of more efficient economy.
Submerged MBRs of the present invention and microfauna biological bed combination unit, it comprises MBR and microfauna biological bed, and MBR and microfauna biological bed are combined to form described submerged MBRs and microfauna biological bed combination unit mutually; The array mode of described MBR and microfauna biological bed is divided into inside and outside combination and left and right combination.
Submerged MBRs of the present invention and microfauna biological bed combination unit, it comprises MBR and microfauna biological bed; MBR and microfauna biological bed are combined to form described submerged MBRs and microfauna biological bed combination unit mutually; The array mode of MBR and microfauna biological bed is inside and outside combination; Be combined as MBR inside and outside described to be coaxially arranged in microfauna biological bed.
Submerged MBRs of the present invention and microfauna biological bed combination unit, it comprises MBR and microfauna biological bed; MBR and microfauna biological bed are combined to form described submerged MBRs and microfauna biological bed combination unit mutually; The array mode of MBR and microfauna biological bed is inside and outside combination; Be combined as microfauna biological bed inside and outside described to be coaxially arranged in MBR.
Submerged MBRs of the present invention and microfauna biological bed, the mode be combined with each other by MBR and microfauna biological bed, improves the ability of disposing of sewage with mud, and the array mode of the two is divided into three kinds:
Array mode one: MBR is coaxially arranged in microfauna biological bed, and namely MBR and microfauna biological bed form similar concentrically ringed structure, and MBR is positioned at " inner side ", and microfauna biological bed is positioned in " outside ".
Array mode two: microfauna biological bed is coaxially arranged in MBR, namely microfauna biological bed and MBR form similar concentrically ringed structure, and microfauna biological bed is positioned at " inner side ", and MBR is positioned at " outside ".
Array mode three: microfauna biological bed and MBR are symmetrical set, namely in the two similar cylindrical structure jointly formed, right cylinder half is microfauna biological bed structure, and second half is MBR structure.
Microfauna biological bed of the present invention refers to that a placement microfauna carries out a kind of biological bed applied on the miniature organism carrier of biological bed.The Main Function of microfauna carrier is the place providing microfauna to adhere to, grow and prey on.
The present invention comprises following beneficial effect:
This invention carries out integrated combination MBR membrane bioreactor and microfauna biological bed first.This technique forms primarily of MBR (membrane bioreactor), microfauna biological bed, MBR water inlet pipe, MBR shore pipe, microfauna biological bed mud return line and microfauna biological bed plug flow device.MBR excess sludge enters microfauna biological bed through shore pipe, and mud, after the process of microfauna biological bed, is back in MBR through shore pipe.Miniature organism carrier can select conventional combined stuffing, elastic filler etc., or is formed by the oblique staggered rollings such as nylon material, ultra-fine fibre bundle material, polypropylene fibre, polyethylene fibre bundle or transverse and longitudinal arrangement.Its Main Function is the effective attachment and the stable growth that realize miniature organism, and ensures that microfauna fully contacts with mud, realizes the efficient predation of mud.Described microfauna is and effectively to the microfauna that mud is preyed on, can be and be mingled with band silk earthworm, limnodrilus hoffmeisteri, Limnodrilus hoffmeisteri etc.
Sewage of the present invention realizes high-quality water outlet by membrane filtration after the active sludge treatment in MBR, its excess sludge produced enters microfauna biological bed through MBR shore pipe, under plug flow device promotes, by microfauna prey, realize the effective decrement of mud, sludge quality improves; The mud of microfauna biological bed is back to MBR reactor again, produces active effect to MBR sewage disposal and the further decrement of mud.Submerged MBRs microfauna biological bed combination process and equipment can realize wastewater efficient process, mud decrement more than 60%, and fouling membrane frequency reduces by more than 30%, and floor space reduces greatly, and capital construction and running cost significantly reduce.
Accompanying drawing explanation
Fig. 1 is the diagrammatic cross-section of integral type MBR and microfauna biological bed array mode one;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the diagrammatic cross-section of integral type MBR and microfauna biological bed array mode two;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the diagrammatic cross-section of integral type MBR and microfauna biological bed array mode three;
Fig. 6 is the vertical view of Fig. 5.
Embodiment
Embodiment one: composition graphs illustrates present embodiment, the submerged MBRs of present embodiment and microfauna biological bed combination unit, it comprises MBR1 and microfauna biological bed 2, MBR1 and microfauna biological bed 2 and is mutually combined to form described submerged MBRs and microfauna biological bed combination unit; The array mode of described MBR1 and microfauna biological bed 2 is divided into inside and outside combination and left and right combination.
The submerged MBRs of present embodiment and microfauna biological bed, the mode be combined with each other by MBR and microfauna biological bed, improves the ability of disposing of sewage with mud, and the array mode of the two is divided into three kinds:
Array mode one: MBR is coaxially arranged in microfauna biological bed, and namely MBR and microfauna biological bed form similar concentrically ringed structure, and MBR is positioned at " inner side ", and microfauna biological bed is positioned in " outside ".
Array mode two: microfauna biological bed is coaxially arranged in MBR, namely microfauna biological bed and MBR form similar concentrically ringed structure, and microfauna biological bed is positioned at " inner side ", and MBR is positioned at " outside ".
Array mode three: microfauna biological bed and MBR are symmetrical set, namely in the two similar cylindrical structure jointly formed, right cylinder half is microfauna biological bed structure, and second half is MBR structure.
Embodiment two: composition graphs illustrates present embodiment, and present embodiment and embodiment one difference are: described MBR1 is made up of MBR water inlet pipe 3, rising pipe 4, multiple membrane module 5, aerating system 7 and MBR shore pipe 6; Described microfauna biological bed 2 is made up of miniature organism carrier 8, microfauna 9, multiple plug flow device 10, mud return line 11 and micro-aerating system 12.Other composition is identical with embodiment one with mode of connection.
Embodiment three: composition graphs illustrates present embodiment, the submerged MBRs of present embodiment and microfauna biological bed combination unit, and it comprises MBR1 and microfauna biological bed 2; MBR1 and microfauna biological bed 2 are combined to form described submerged MBRs and microfauna biological bed combination unit mutually; The array mode of MBR1 and microfauna biological bed 2 is inside and outside combination; Be combined as MBR1 inside and outside described to be coaxially arranged in microfauna biological bed 2.
The MBR1 of present embodiment and microfauna biological bed 2 form similar columniform composite structure jointly, and MBR1 is positioned at inner side and forms cylindrical structural, and microfauna biological bed 2 is positioned at outside and forms Outer cylindrical structure and coaxially arrange with MBR1.
Embodiment four: composition graphs illustrates present embodiment, and present embodiment and embodiment three difference are: MBR1 is made up of MBR water inlet pipe 3, rising pipe 4, multiple membrane module 5, aerating system 7 and MBR shore pipe 6; Described microfauna biological bed 2 is made up of miniature organism carrier 8, microfauna 9, multiple plug flow device 10, mud return line 11 and micro-aerating system 12; Wherein, MBR1 is coaxially arranged in microfauna biological bed 2;
Described multiple membrane modules 5 are arranged in MBR1, and bottom MBR1, mid-way arranges MBR water inlet pipe 3, MBR1 top and is provided with the entrance connection MBR1 that rising pipe 4, MBR1 sidewall is provided with MBR shore pipe 6, MBR shore pipe 6, outlet microfauna biological bed 2; The entrance of described mud return line 11 is communicated with microfauna biological bed 2, and is arranged on microfauna biological bed 2 outer side wall, and the outlet of mud return line 11 is communicated with MBR1, and is arranged on bottom MBR1, and described aerating system 7 is positioned at bottom MBR;
Be provided with multiple miniature organism carrier 8 in microfauna biological bed 2, miniature organism carrier 8 carries microfauna 9; Multiple plug flow device 10 is arranged in microfauna biological bed 2; Described micro-aerating system 12 is arranged at the bottom of microfauna biological bed 2.Other composition is identical with embodiment three with mode of connection.
Embodiment five: composition graphs illustrates present embodiment, and present embodiment and embodiment three difference are: miniature organism carrier 8 is that combined stuffing, elastic filler or arranged by the oblique staggered rollings such as nylon material, ultra-fine fibre bundle material, polypropylene fibre, polyethylene fibre bundle or transverse and longitudinal forms.Other composition is identical with embodiment three with mode of connection.
Embodiment six: composition graphs illustrates present embodiment, and present embodiment and embodiment three difference are: microfauna 9 is the microfauna preyed on mud.Other composition is identical with embodiment three with mode of connection.
The microfauna preyed on mud described in present embodiment mainly comprises and is mingled with band silk earthworm, limnodrilus hoffmeisteri or Limnodrilus hoffmeisteri.
Embodiment seven: composition graphs illustrates present embodiment, the submerged MBRs of present embodiment and microfauna biological bed combination unit, and it comprises MBR1 and microfauna biological bed 2; MBR1 and microfauna biological bed 2 are combined to form described submerged MBRs and microfauna biological bed combination unit mutually; The array mode of MBR1 and microfauna biological bed 2 is inside and outside combination; Be combined as microfauna biological bed 2 inside and outside described to be coaxially arranged in MBR1.
The MBR1 of present embodiment and microfauna biological bed 2 form similar columniform composite structure jointly, and microfauna biological bed 2 is positioned at inner side and forms cylindrical structural, and MBR1 is positioned at outside and forms Outer cylindrical structure and coaxially arrange with microfauna biological bed 2.
Embodiment eight: composition graphs illustrates present embodiment, and present embodiment and embodiment seven difference are: MBR1 is made up of MBR water inlet pipe 3, rising pipe 4, multiple membrane module 5, MBR shore pipe 6 and aerating system 7; Microfauna biological bed 2 is made up of miniature organism carrier 8, microfauna 9, multiple plug flow device 10, mud return line 11 and micro-aerating system 12; Wherein, microfauna biological bed 2 is coaxially arranged in MBR1;
Be provided with multiple miniature organism carrier 8 in described microfauna biological bed 2, miniature organism carrier 8 carries microfauna 9; Multiple plug flow device 10 is arranged in microfauna biological bed 2; Described micro-aerating system 12 is arranged at the bottom of microfauna biological bed 2;
Described multiple membrane modules 5 are arranged in MBR1, and MBR1 top is provided with the entrance that MBR water inlet pipe 3 and rising pipe 4, MBR1 sidewall be provided with MBR shore pipe 6, MBR shore pipe 6 and is communicated with MBR1, outlet microfauna biological bed 2; The entrance of described mud return line 11 is communicated with microfauna biological bed 2, and is arranged on bottom microfauna biological bed 2, and the outlet of mud return line 11 is communicated with MBR1, and is arranged on bottom MBR1, and described aerating system 7 is positioned at bottom MBR.Other composition is identical with embodiment seven with mode of connection.
Embodiment nine: composition graphs illustrates present embodiment, and present embodiment and embodiment seven difference are: miniature organism carrier 8 is that combined stuffing, elastic filler or arranged by the oblique staggered rollings such as nylon material, ultra-fine fibre bundle material, polypropylene fibre, polyethylene fibre bundle or transverse and longitudinal forms.Other composition is identical with embodiment seven with mode of connection.
Embodiment ten: composition graphs illustrates present embodiment, and present embodiment and embodiment seven difference are: microfauna 9 is the microfauna preyed on mud.Other composition is identical with embodiment seven with mode of connection.
The microfauna preyed on mud described in present embodiment is for being mingled with band silk earthworm, limnodrilus hoffmeisteri or Limnodrilus hoffmeisteri.
Embodiment 11: composition graphs illustrates present embodiment, the submerged MBRs of present embodiment and microfauna biological bed combination unit, and it comprises MBR1 and microfauna biological bed 2; The array mode of MBR1 and microfauna biological bed 2 is left and right combination; Described left and right is combined as microfauna biological bed 2 and is symmetrical set with MBR1.
Embodiment 12: composition graphs illustrates present embodiment, and present embodiment and embodiment 11 difference are: MBR1 is made up of MBR water inlet pipe 3, rising pipe 4, multiple membrane module 5, MBR shore pipe 6 and aerating system 7; Microfauna biological bed 2 is made up of miniature organism carrier 8, microfauna 9, multiple plug flow device 10, mud return line 11 and micro-aerating system 12; Wherein, microfauna biological bed 2 and MBR1 are symmetrical set;
Be provided with multiple miniature organism carrier 8 in described microfauna biological bed 2, miniature organism carrier 8 carries microfauna 9; Multiple plug flow device 10 is arranged at bottom microfauna biological bed 2; Described micro-aerating system 12 is arranged at the bottom of microfauna biological bed 2;
Described multiple membrane modules 5 are arranged in MBR1, MBR1 sidewall are arranged MBR water inlet pipe 3, MBR1 top and are provided with the entrance connection MBR1 that rising pipe 4, MBR1 sidewall is provided with MBR shore pipe 6, MBR shore pipe 6, outlet microfauna biological bed 2; The entrance of described mud return line 11 is communicated with microfauna biological bed 2, and is arranged on microfauna biological bed 2 right side wall, and the outlet of mud return line 11 is communicated with MBR1, and is arranged on bottom MBR1, and described aerating system 7 is positioned at bottom MBR.Other composition is identical with embodiment 11 with mode of connection.
Embodiment 13: composition graphs illustrates present embodiment, and present embodiment and embodiment 11 difference are: miniature organism carrier 8 is that combined stuffing, elastic filler or arranged by the oblique staggered rollings such as nylon material, ultra-fine fibre bundle material, polypropylene fibre, polyethylene fibre bundle or transverse and longitudinal forms.Other composition is identical with embodiment 11 with mode of connection.
Embodiment 14: composition graphs illustrates present embodiment, and present embodiment and embodiment 11 difference are: microfauna 9 is the microfauna preyed on mud.Other composition is identical with embodiment 11 with mode of connection.
The microfauna preyed on mud described in present embodiment is for being mingled with band silk earthworm, limnodrilus hoffmeisteri or Limnodrilus hoffmeisteri.
Content of the present invention is not limited only to the content of the respective embodiments described above, and the combination of one of them or several embodiment equally also can realize the object of inventing.
Beneficial effect of the present invention is verified by following examples:
Embodiment 1
The structure of the present embodiment device is as shown in Fig. 1 ~ 2.MBR1 and microfauna biological bed 2 are arranged by array mode one of the present invention is inside and outside, in this array mode, MBR1 is made up of bottom water inlet pipe 3, rising pipe 4, membrane module 5, shore pipe 6 and aerating system 7, and microfauna biological bed 2 is made up of micro-aerating system 12, miniature organism carrier 8, microfauna 9, plug flow device 10 and mud return line 11;
Described multiple membrane modules 5 are arranged in MBR1, and bottom MBR1, mid-way arranges MBR water inlet pipe 3, MBR1 top and is provided with the entrance connection MBR1 that rising pipe 4, MBR1 sidewall is provided with MBR shore pipe 6, MBR shore pipe 6, outlet microfauna biological bed 2; The entrance of described mud return line 11 is communicated with microfauna biological bed 2, and is arranged on microfauna biological bed 2 outer side wall, and the outlet of mud return line 11 is communicated with MBR1, and is arranged on bottom MBR1;
Be provided with multiple miniature organism carrier 8 in microfauna biological bed 2, miniature organism carrier 8 carries microfauna 9; Multiple plug flow device 10 is arranged in microfauna biological bed 2; Described micro-aerating system 12 is arranged at the bottom of microfauna biological bed 2.
Microfauna biological bed needs to carry out inducing culture to microfauna before the use, microfauna carrier is put into water sludge interface, due to the going after profit or gain property of microfauna, make its head enter to obtain food in mud by carrier hole, afterbody stretches upwards acquisition dissolved oxygen and breathes.The carrier adhering to a certain amount of microfauna is taken out flushing, washes away the microfauna not having to adhere to, then repeat last time and operate several times, finally can obtain the microfauna carrier of high-density, stable growth.
Concrete operations are as follows:
After completing activated sludge acclimatization and microfauna inducing culture, enter in MBR1 by sewage by water inlet pipe 3, dirty Organic substance in water is microorganism efficient degradation in MBR1, the sewage after process through membrane module 5 filter after by rising pipe 4 water outlet.The excess sludge that MBR1 produces enters microfauna biological bed 2 through MBR shore pipe 6, fully contacts, and is efficiently preyed on, realize the effect of mud decrement under the plug-flow effect of plug flow device 10 with the microfauna 9 be attached on carrier.Mud after microzoa predation is back to bottom MBR1 by the mud return line 11 of microfauna biological bed, and fully mixes with mud in MBR1 under the effect of aerating apparatus 7.Cause the material of fouling membrane to reduce in a large number in mud after the process of microfauna biological bed, being back in MBR can the generation of effective decelerating membrane pollution, and produces active effect to MBR sewage disposal and the further decrement of mud.
The wastewater treatment efficiency of the present embodiment:
What adopt in the present embodiment is town sewage, and COD and ammonia nitrogen place to go rate can reach 93.7 ± 2.3%, 94.6 ± 4.5% respectively.Mud SVI value in combination process MBR and resistivity respectively more conventional MBR decline 35% and 37%, and sludge yield comparatively traditional activated sludge process sludge yield reduces by more than 60%.
Embodiment 2
The structure of the present embodiment device as shown in figs. 34.MBR1 and microfauna biological bed 2 are arranged by array mode two of the present invention is inside and outside, in this array mode, MBR1 is made up of bottom water inlet pipe 3, rising pipe 4, membrane module 5, shore pipe 6 and aerating system 7, and microfauna biological bed 2 is made up of micro-aerating system 12, miniature organism carrier 8, microfauna 9, plug flow device 10 and mud return line 11;
Be provided with multiple miniature organism carrier 8 in described microfauna biological bed 2, miniature organism carrier 8 carries microfauna 9; , multiple plug flow device 10 is arranged at bottom microfauna biological bed 2; Described micro-aerating system 12 is arranged at the bottom of microfauna biological bed 2;
Described multiple membrane modules 5 are arranged in MBR1, and MBR1 top is provided with the entrance connection MBR1 that rising pipe 4, MBR1 sidewall is provided with MBR shore pipe 6, MBR shore pipe 6, outlet microfauna biological bed 2; The entrance of described mud return line 11 is communicated with microfauna biological bed 2, and is arranged on bottom microfauna biological bed 2, and the outlet of mud return line 11 is communicated with MBR1, and is arranged on bottom MBR1.
Microfauna biological bed needs to carry out inducing culture to microfauna before the use, microfauna carrier is put into water sludge interface, due to the going after profit or gain property of microfauna, make its head enter to obtain food in mud by carrier hole, afterbody stretches upwards acquisition dissolved oxygen and breathes.The carrier adhering to a certain amount of microfauna is taken out flushing, washes away the microfauna not having to adhere to, then repeat last time and operate several times, finally can obtain the microfauna carrier of high-density, stable growth.
Concrete operations are as follows:
After completing activated sludge acclimatization and microfauna inducing culture, enter in MBR1 by sewage by water inlet pipe 3, dirty Organic substance in water is microorganism efficient degradation in MBR1, the sewage after process through membrane module 5 filter after by rising pipe 4 water outlet.The excess sludge that MBR1 produces enters microfauna biological bed 2 through MBR shore pipe 6, fully contacts, and is efficiently preyed on, realize the effect of mud decrement under the plug-flow effect of plug flow device 10 with the microfauna 9 be attached on carrier.Mud after microzoa predation is back to bottom MBR1 by the mud return line 11 of microfauna biological bed, and fully mixes with mud in MBR1 under the effect of aerating apparatus 7.Cause the material of fouling membrane to reduce in a large number in mud after the process of microfauna biological bed, being back in MBR can the generation of effective decelerating membrane pollution, and produces active effect to MBR sewage disposal and the further decrement of mud.
The wastewater treatment efficiency of the present embodiment:
What adopt in the present embodiment remains town sewage, and COD and ammonia nitrogen place to go rate can reach 91.5 ± 1.9%, 92.6 ± 3.5% respectively.Mud SVI value in combination process MBR and resistivity respectively more conventional MBR decline 32% and 34%, and sludge yield comparatively traditional activated sludge process sludge yield reduces by more than 60%.
Embodiment 3
The structure of the present embodiment device is as shown in Fig. 5 ~ 6.MBR1 and microfauna biological bed 2 are arranged by array mode about three of the present invention, in this array mode, MBR1 is made up of bottom water inlet pipe 3, rising pipe 4, membrane module 5, shore pipe 6, aerating system 7, and microfauna biological bed 2 is made up of micro-aerating system 12, miniature organism carrier 8, microfauna 9, plug flow device 10 and mud return line 11;
Be provided with multiple miniature organism carrier 8 in described microfauna biological bed 2, miniature organism carrier 8 carries microfauna 9; Multiple plug flow device 10 is arranged at bottom microfauna biological bed 2; Described micro-aerating system 12 is arranged at the bottom of microfauna biological bed 2;
Described multiple membrane modules 5 are arranged in MBR1, MBR1 sidewall are arranged MBR water inlet pipe 3, MBR1 top and are provided with the entrance connection MBR1 that rising pipe 4, MBR1 sidewall is provided with MBR shore pipe 6, MBR shore pipe 6, outlet microfauna biological bed 2; The entrance of described mud return line 11 is communicated with microfauna biological bed 2, and is arranged on microfauna biological bed 2 right side wall, and the outlet of mud return line 11 is communicated with MBR1, and is arranged on bottom MBR1.
Microfauna biological bed needs to carry out inducing culture to microfauna before the use, microfauna carrier is put into water sludge interface, due to the going after profit or gain property of microfauna, make its head enter to obtain food in mud by carrier hole, afterbody stretches upwards acquisition dissolved oxygen and breathes.The carrier adhering to a certain amount of microfauna is taken out flushing, washes away the microfauna not having to adhere to, then repeat last time and operate several times, finally can obtain the microfauna carrier of high-density, stable growth.
Concrete operations are as follows:
After completing activated sludge acclimatization and microfauna inducing culture, enter in MBR1 by sewage by water inlet pipe 3, dirty Organic substance in water is microorganism efficient degradation in MBR1, the sewage after process through membrane module 5 filter after by rising pipe 4 water outlet.The excess sludge that MBR1 produces enters microfauna biological bed 2 through MBR shore pipe 6, fully contacts, and is efficiently preyed on, realize the effect of mud decrement under the plug-flow effect of plug flow device 10 with the microfauna 9 be attached on carrier.Mud after microzoa predation is back to bottom MBR1 by the mud return line 11 of microfauna biological bed, and fully mixes with mud in MBR1 under the effect of aerating apparatus 7.Cause the material of fouling membrane to reduce in a large number in mud after the process of microfauna biological bed, being back in MBR can the generation of effective decelerating membrane pollution, and produces active effect to MBR sewage disposal and the further decrement of mud.
The wastewater treatment efficiency of the present embodiment:
What adopt in the present embodiment remains town sewage, and COD and ammonia nitrogen place to go rate can reach 92.8 ± 2.5%, 93.6 ± 3.2% respectively.Mud SVI value in combination process MBR and resistivity respectively more conventional MBR decline 33% and 36%, and sludge yield comparatively traditional activated sludge process sludge yield reduces by more than 60%.

Claims (10)

1.一体式MBR及微型动物生物床组合装置，其特征在于它包括MBR(1)和微型动物生物床(2)，MBR(1)与微型动物生物床(2)相互组合形成所述的一体式MBR及微型动物生物床组合装置；所述的MBR(1)和微型动物生物床(2)的组合方式分为内外组合和左右组合。1. Integrated MBR and micro-animal biological bed combination device, characterized in that it comprises MBR (1) and micro-animal biological bed (2), and MBR (1) and micro-animal biological bed (2) are combined to form said integrated MBR and micro-animal biological bed combination device; the combination of the MBR (1) and micro-animal biological bed (2) is divided into internal and external combination and left and right combination. 2.根据权利要求1所述的一体式MBR及微型动物生物床组合装置，其特征在于所述的MBR(1)是由MBR进水管(3)、出水管(4)、多个膜组件(5)、曝气系统(7)和MBR排泥管(6)构成；所述的微型动物生物床(2)是由微型生物载体(8)、微型动物(9)、多个推流装置(10)、污泥回流管(11)和微曝气系统(12)构成。2. The integrated MBR and miniature animal biological bed combined device according to claim 1 is characterized in that described MBR (1) is composed of MBR water inlet pipe (3), water outlet pipe (4), a plurality of membrane modules ( 5), aeration system (7) and MBR sludge discharge pipe (6) constitute; Described micro-animal biological bed (2) is made up of micro-biological carrier (8), micro-animal (9), a plurality of pushing flow devices ( 10), a sludge return pipe (11) and a micro-aeration system (12). 3.一体式MBR及微型动物生物床组合装置，其特征在于它包括MBR(1)和微型动物生物床(2)；MBR(1)与微型动物生物床(2)相互组合形成所述的一体式MBR及微型动物生物床组合装置；MBR(1)和微型动物生物床(2)的组合方式为内外组合；所述的内外组合为MBR(1)同轴设置于微型动物生物床(2)中。3. An integrated MBR and micro-animal biological bed combination device, characterized in that it comprises MBR (1) and micro-animal biological bed (2); MBR (1) and micro-animal biological bed (2) are combined to form the integrated Type MBR and micro-animal biological bed combination device; the combination of MBR (1) and micro-animal biological bed (2) is an internal and external combination; the internal and external combination is that the MBR (1) is coaxially arranged on the micro-animal biological bed (2) middle. 4.根据权利要求3所述的一体式MBR及微型动物生物床组合装置，其特征在于MBR(1)是由MBR进水管(3)、出水管(4)、多个膜组件(5)、曝气系统(7)和MBR排泥管(6)构成；所述的微型动物生物床(2)是由微型生物载体(8)、微型动物(9)、多个推流装置(10)、污泥回流管(11)和微曝气系统(12)构成；其中，MBR(1)同轴设置于微型动物生物床(2)中；4. The integrated MBR and micro-animal biological bed combined device according to claim 3 is characterized in that MBR (1) is composed of MBR inlet pipe (3), outlet pipe (4), a plurality of membrane modules (5), Aeration system (7) and MBR mud discharge pipe (6) constitute; Described micro-animal biological bed (2) is made up of micro-biological carrier (8), micro-animal (9), a plurality of pushing flow devices (10), A sludge return pipe (11) and a micro-aeration system (12); wherein, the MBR (1) is coaxially arranged in the micro-animal biological bed (2); 所述的多个膜组件(5)设置在MBR(1)内，MBR(1)内设置MBR进水管(3)和出水管(4)以及MBR排泥管(6)，MBR排泥管(6)的入口连通MBR(1)，出口连通微型动物生物床(2)；所述的污泥回流管(11)的入口与微型动物生物床(2)连通，污泥回流管(11)的出口与MBR(1)连通；所述的曝气系统(7)位于MBR(1)底部；A plurality of membrane modules (5) described in the MBR (1) are arranged in the MBR (1), and the MBR water inlet pipe (3) and the water outlet pipe (4) and the MBR mud discharge pipe (6) are arranged in the MBR (1), and the MBR mud discharge pipe ( The inlet of 6) communicates with the MBR (1), and the outlet communicates with the micro-animal biological bed (2); the inlet of the sludge return pipe (11) communicates with the micro-animal biological bed (2), and the sludge return pipe (11) The outlet communicates with the MBR (1); the aeration system (7) is located at the bottom of the MBR (1); 微型动物生物床(2)内设置有多个微型生物载体(8)，微型生物载体(8)承载有微型动物(9)；多个推流装置(10)设置于微型动物生物床(2)内；所述的微曝气系统(12)设置于微型动物生物床(2)的底部。The micro-animal biological bed (2) is provided with a plurality of micro-biological carriers (8), and the micro-biological carrier (8) carries micro-animals (9); a plurality of pushing flow devices (10) are arranged in the micro-animal biological bed (2) Inside; the micro-aeration system (12) is arranged at the bottom of the micro-animal biological bed (2). 5.根据权利要求4所述的一体式MBR及微型动物生物床组合装置，其特征在于微型生物载体(8)为组合填料、弹性填料或由尼龙材质、超细纤维束材质、聚丙烯纤维束、聚乙烯纤维束等斜向交错轧制或横纵向排列而成。5. The integrated MBR and micro-animal biological bed combined device according to claim 4 is characterized in that the micro-biological carrier (8) is a combined filler, elastic filler or made of nylon material, superfine fiber bundle material, polypropylene fiber bundle , Polyethylene fiber bundles, etc. are obliquely staggered or arranged horizontally and vertically. 6.根据权利要求4所述的一体式MBR及微型动物生物床组合装置，其特征在于微型动物(9)为对污泥进行捕食的微型动物。6. The combined device of integrated MBR and micro-animal biological bed according to claim 4, characterized in that the micro-animals (9) are micro-animals that prey on sludge. 7.一体式MBR及微型动物生物床组合装置，其特征在于它包括MBR(1)和微型动物生物床(2)；MBR(1)与微型动物生物床(2)相互组合形成所述的一体式MBR及微型动物生物床组合装置；MBR(1)和微型动物生物床(2)的组合方式为内外组合；所述的内外组合为微型动物生物床(2)同轴设置于MBR(1)中。7. An integrated MBR and micro-animal biological bed combination device is characterized in that it includes MBR (1) and micro-animal biological bed (2); MBR (1) and micro-animal biological bed (2) are combined to form the integrated Type MBR and micro-animal biological bed combination device; the combination of MBR (1) and micro-animal biological bed (2) is an internal and external combination; the internal and external combination is that the micro-animal biological bed (2) is coaxially arranged on the MBR (1) middle. 8.根据权利要求7所述的一体式MBR及微型动物生物床组合装置，其特征在于MBR(1)是由MBR进水管(3)、出水管(4)、多个膜组件(5)、MBR排泥管(6)和曝气系统(7)构成；微型动物生物床(2)是由微型生物载体(8)、微型动物(9)、多个推流装置(10)、污泥回流管(11)和微曝气系统(12)构成；其中，微型动物生物床(2)同轴设置于MBR(1)中；8. The integrated MBR and micro-animal biological bed combination device according to claim 7, characterized in that MBR (1) is composed of MBR inlet pipe (3), outlet pipe (4), a plurality of membrane modules (5), MBR sludge discharge pipe (6) and aeration system (7); micro-animal biological bed (2) is composed of micro-biological carrier (8), micro-animals (9), multiple push flow devices (10), sludge return tube (11) and micro-aeration system (12); wherein, the micro-animal biological bed (2) is coaxially arranged in the MBR (1); 所述的微型动物生物床(2)内设置有多个微型生物载体(8)，微型生物载体(8)承载有微型动物(9)；多个推流装置(10)设置于微型动物生物床(2)内；所述的微曝气系统(12)设置于微型动物生物床(2)的底部；The micro-animal biological bed (2) is provided with a plurality of micro-biological carriers (8), and the micro-biological carrier (8) carries a micro-animal (9); a plurality of push-flow devices (10) are arranged in the micro-animal biological bed (2); the micro-aeration system (12) is arranged at the bottom of the micro-animal biological bed (2); 所述的多个膜组件(5)设置在MBR(1)内，MBR(1)设置有MBR进水管(3)和出水管(4)以及MBR排泥管(6)，MBR排泥管(6)的入口连通MBR(1)，出口连通微型动物生物床(2)；所述的污泥回流管(11)的入口与微型动物生物床(2)连通，污泥回流管(11)的出口与MBR(1)连通，所述的曝气系统(7)位于MBR底部。A plurality of membrane modules (5) are arranged in the MBR (1), and the MBR (1) is provided with an MBR inlet pipe (3) and an outlet pipe (4) and an MBR mud discharge pipe (6), and the MBR mud discharge pipe ( The inlet of 6) communicates with the MBR (1), and the outlet communicates with the micro-animal biological bed (2); the inlet of the sludge return pipe (11) communicates with the micro-animal biological bed (2), and the sludge return pipe (11) The outlet communicates with the MBR (1), and the aeration system (7) is located at the bottom of the MBR. 9.一体式MBR及微型动物生物床组合装置，其特征在于它包括MBR(1)和微型动物生物床(2)；MBR(1)和微型动物生物床(2)的组合方式为左右组合；所述的左右组合为微型动物生物床(2)与MBR(1)左右对称设置。9. An integrated MBR and micro-animal biological bed combination device, characterized in that it includes MBR (1) and micro-animal biological bed (2); the combination of MBR (1) and micro-animal biological bed (2) is a left-right combination; The left-right combination is that the micro-animal biological bed (2) and the MBR (1) are arranged symmetrically. 10.根据权利要求9所述的一体式MBR及微型动物生物床组合装置，其特征在于MBR(1)是由MBR进水管(3)、出水管(4)、多个膜组件(5)、MBR排泥管(6)和曝气系统(7)构成；微型动物生物床(2)是由微型生物载体(8)、微型动物(9)、多个推流装置(10)、污泥回流管(11)和微曝气系统(12)构成；其中，微型动物生物床(2)与MBR(1)左右对称设置；10. The integrated MBR and micro-animal biological bed combination device according to claim 9, characterized in that MBR (1) is composed of MBR inlet pipe (3), outlet pipe (4), a plurality of membrane modules (5), MBR sludge discharge pipe (6) and aeration system (7); micro-animal biological bed (2) is composed of micro-biological carrier (8), micro-animals (9), multiple push flow devices (10), sludge return tube (11) and a micro-aeration system (12); wherein, the micro-animal biological bed (2) and the MBR (1) are symmetrically arranged left and right; 所述的微型动物生物床(2)内设置有多个微型生物载体(8)，微型生物载体(8)承载有微型动物(9)；多个推流装置(10)设置于微型动物生物床(2)内；所述的微曝气系统(12)设置于微型动物生物床(2)的底部；The micro-animal biological bed (2) is provided with a plurality of micro-biological carriers (8), and the micro-biological carrier (8) carries a micro-animal (9); a plurality of push-flow devices (10) are arranged in the micro-animal biological bed (2); the micro-aeration system (12) is arranged at the bottom of the micro-animal biological bed (2); 所述的多个膜组件(5)设置在MBR(1)内，MBR(1)设置MBR进水管(3)，出水管(4)以及MBR排泥管(6)，MBR排泥管(6)的入口连通MBR(1)，出口连通微型动物生物床(2)；所述的污泥回流管(11)的入口与微型动物生物床(2)连通，污泥回流管(11)的出口与MBR(1)连通，所述的曝气系统(7)位于MBR底部。The plurality of membrane modules (5) are arranged in the MBR (1), and the MBR (1) is provided with an MBR inlet pipe (3), an outlet pipe (4) and an MBR mud discharge pipe (6), and the MBR mud discharge pipe (6 ) is connected to the MBR (1), and the outlet is connected to the micro-animal biological bed (2); the inlet of the sludge return pipe (11) is connected to the micro-animal biological bed (2), and the outlet of the sludge return pipe (11) It communicates with MBR (1), and the aeration system (7) is located at the bottom of MBR.
CN201510622875.XA 2015-09-25 2015-09-25 Integrated MBR (Membrane) and micro-fauna biological bed combination device Pending CN105129976A (en)

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