CN211999376U - Rural sewage ecological management device system of MABR - Google Patents

Rural sewage ecological management device system of MABR Download PDF

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Publication number
CN211999376U
CN211999376U CN202020532486.4U CN202020532486U CN211999376U CN 211999376 U CN211999376 U CN 211999376U CN 202020532486 U CN202020532486 U CN 202020532486U CN 211999376 U CN211999376 U CN 211999376U
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mabr
purification
area
rural sewage
pond
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王国锋
田忠艳
曹翠翠
赵亚男
赵鹤
闫晓军
侯佳延
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TIANJIN HYDROKING SCI & TECH Ltd
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TIANJIN HYDROKING SCI & TECH Ltd
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Abstract

The utility model relates to an MABR rural sewage ecological treatment device system, which relates to the technical field of water treatment, the collected rural sewage enters from a water inlet at one end of an MABR purification pond, is discharged into a wetland system for deep purification from a water outlet at the other end of the MABR purification pond after purification treatment, and the purified water body is discharged or recycled after reaching the standard; the inside of the MABR purification pond is provided with a grating area, a primary sedimentation adjusting area, an MABR purification area, a sedimentation area and a disinfection area which are sequentially communicated; the MABR purifying area is an MABR low dissolved oxygen treatment area (DO concentration is 0-2.0 mg/L), and the MABR is installed in a modularized mode. The utility model discloses degradation load efficiency is high, oxygen utilization ratio is high, the flexibility is strong, simple to operate, do not have soil to build construction, easy operation, running cost low, the maintenance of being convenient for, can realize the low energy consumption of rural sewage and low mud volume's high-efficient ecological improvement.

Description

Rural sewage ecological management device system of MABR
Technical Field
The utility model belongs to the technical field of sewage treatment, a rural sewage ecological management device system of MABR is related to. MABR, also known as enhanced coupled Biofilm Reactor (EHBR), is known by the English name of Membrane affected Biofilm Reactor.
Background
The discharge amount of rural sewage in China is continuously increased, and the sewage becomes a main nitrogen and phosphorus pollution source of rivers and lakes, so that water body pollution and eutrophication of lakes and rivers are caused, and the water ecological environment is seriously damaged. When a large number of new rural areas are built, the rural sewage treatment is gradually scheduled. Aiming at the problems that the rural sewage is treated by the rear end of the septic tank in several treatment modes, such as an integrated device, an artificial wetland and the like, but all have the defects of the integrated device, the integrated device has poor treatment effect, higher dosage and high operation cost; the artificial wetland has low pollution source load and occupies a large amount of land, the treatment effect is severely restricted by climate and season, and the phosphorus removal capability is weaker and weaker along with the increase of the operation time. Therefore, the utility model has the advantages of energy saving, environmental protection, economic benefit and high efficiency of nitrogen and phosphorus removal, and has great significance for the current rural domestic sewage problem.
The EHBR urine treatment device (CN 209468263U) in the patent has certain effect of treating the urine water body of the rural dry toilet by utilizing an EHBR membrane component device.
Based on this, how to more effectively apply the MABR technology to rural sewage ecological treatment to form a set of complete MABR rural sewage ecological treatment process is a problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome not enough among the prior art, utilize original rural sewage collection system, rationally distributed emphasizes ecological improvement, provides a rural sewage ecological treatment device system of MABR.
On the basis of the original rural sewage collection system, the conventional rural natural pond or artificial pond is used as an MABR purification pond, an MABR membrane component is implanted into the MABR purification pond, and efficient ecological treatment of rural sewage with low energy consumption and low sludge amount is realized by combining processes such as precipitation disinfection and the like.
The specific technical scheme is as follows:
the utility model provides a rural sewage ecological treatment device system of MABR which characterized in that: the collected rural sewage enters from a water inlet at one end of the MABR purification pond, is discharged into a wetland system for deep purification from a water outlet at the other end of the MABR purification pond after purification treatment, and the purified water body reaches the standard and is discharged or recycled; the interior of the MABR purification pond is provided with a grating zone, a primary sedimentation adjusting zone, an MABR purification zone, a sedimentation zone and a disinfection zone which are communicated in sequence; the MABR purification area is an MABR low dissolved oxygen treatment area (DO concentration is 0-2.0 mg/L), and the MABR is installed in a modularized manner, so that DO is regulated to realize any one or more of anaerobic state, anoxic state and aerobic state.
Preferably, the MABR purification pond is a natural pond or an artificial pond, the depth of the MABR purification pond is 1.0-4.0 m, the peripheral part of the MABR purification pond and the surface above the water body are provided with aquatic plant floating beds, and the aquatic plants are harvested at regular intervals.
Preferably, the MABR purification area comprises a gas supply device, a gas supply pipeline, a valve and an MABR module, wherein the MABR module consists of an MABR component, a membrane bracket, a bottom aeration system and a control valve, the MABR membrane component is a bubble-free aeration hollow fiber curtain type membrane component, the width of the MABR membrane component is 0.2-3.0m, and the MABR membrane components are connected through a gas pipeline; the air supply equipment adopts a submerged fan and is arranged on the bank side of the MABR purification pond, or adopts a conventional fan arranged on the bank; the control valve is opened periodically to disturb the water body and the surface of hollow fibers of the MABR membrane component.
Preferably, the settling zone adopts flow channel plug flow type natural settling.
Preferably, the primary settling adjustment zone and the settling zone periodically clean the bottom mud.
Preferably, the wetland system is an artificial wetland or a natural wetland.
The utility model discloses a rural sewage ecological treatment device system of MABR, process flow adopt into water → preliminary treatment district → MABR purifying area → sedimentation zone → disinfection district → play water. The MABR technology utilizes an aerobic/anoxic/anaerobic structure of a microbial membrane on the surface of an MABR membrane wire to adjust the air supply pressure, adjusts the DO concentration range in the MABR purifying pond, controls the DO concentration to be 0-2.0mg/L, and modularly installs the MABR membrane component and adjusts the DO to realize any one or more of anaerobic state, anoxic state or aerobic state. The utility model discloses degradation load efficiency is high, oxygen utilization ratio is high, the flexibility is strong, simple to operate, do not have soil to build construction, easy operation, running cost low, the maintenance of being convenient for, can realize the low energy consumption of rural sewage and low mud volume's high-efficient ecological improvement.
Drawings
FIG. 1 is a schematic view of the process of the present invention.
Fig. 2 is a schematic plane structure diagram of the present invention.
Fig. 3 is the schematic structural diagram of the vertical surface of the MABR module of the present invention.
In the figure: 1. the system comprises a water inlet, a 2 grid area, a 3 primary settling adjusting area, a 4 MABR purifying pond, a 5 MABR module, a 6 MABR purifying area, a 7 settling area, a 8 disinfecting area, a 9 water outlet, a 10 aquatic plant floating bed, 11 air supply equipment, 12 air supply pipelines, 13 valves, 14 membrane supports, 15 MABR membrane modules, 16 plugging caps, 17 control valves, 18 and a bottom aeration system.
Detailed Description
The ecological treatment method of MABR rural sewage of the utility model is further described with reference to the drawings 1-3.
An MABR rural sewage ecological treatment device system adopts the process flow of water inlet → a pretreatment area → an MABR purification area → a precipitation area → a disinfection area → water outlet, wherein the pretreatment area comprises a grating area 2 and a primary sedimentation adjusting area 3. The collected rural sewage enters from a water inlet 1 at one end of an MABR purification pond 4, is discharged into a wetland system for deep purification from a water outlet 9 at the other end of the MABR purification pond 4 after purification treatment, and the purified water body is discharged or recycled after reaching the standard; the inside of the MABR purification pond 4 is provided with a grating zone 2, a primary sedimentation adjusting zone 3, an MABR purification zone 6, a sedimentation zone 7 and a disinfection zone 8 which are communicated in sequence; the MABR purifying area 6 is an MABR low dissolved oxygen treatment area (DO concentration is 0-2.0 mg/L), and is modularly installed, so that DO is adjusted to realize any one or more of anaerobic state, anoxic state and aerobic state.
The MABR purifying pond 4 is a natural pond or an artificial pond, the depth is 1.0-4.0 m, the periphery and the surface above the water body are provided with aquatic plant floating beds 10, and aquatic plants are harvested at regular intervals.
All areas in the MABR purification pond 4 are separated by soft partition plates or soft partition cloth, so that the construction is convenient.
And an MABR module 5 in the MABR purifying area 6 is designed according to the requirements of water quality and water quantity.
The MABR purifying area 6 comprises a gas supply device 11, a gas supply pipeline 12, a valve 13 and an MABR module 5, wherein the MABR module 5 consists of an MABR assembly 15, a membrane bracket 14, a bottom aeration system 18 and a control valve 17, the MABR assembly 15 is a bubble-free aeration hollow fiber curtain type membrane assembly, the width of the MABR assembly 15 is 0.2-3.0m, the MABR assemblies 15 are connected through gas pipelines, and the other ends are blocked by blocking caps 16; the air supply device 11 adopts a submerged fan and is arranged at the bank side of the MABR purification pond 4, or adopts a conventional fan arranged on the bank; the control valve 17 is opened periodically to disturb the water and the hollow fiber surface of the MABR membrane module 15.
The upper part of the peripheral water body of the MABR purifying area 6 is provided with an aquatic plant floating bed 10, the quantity of the aquatic plant floating beds 10 is designed according to the size of the MABR purifying pond 4 and the nitrogen and phosphorus content in water, the whole aquatic plant floating bed 10 is fixed at the bank of the MABR purifying pond 4 through a rope, and aquatic plants are harvested at regular intervals.
The settling zone 7 adopts flow channel plug flow type natural settling, and the number of the flow channels ranges from 3 to 7.
The primary sedimentation adjusting area 3 and the sedimentation area 7 regularly clean the bottom mud, and the time is generally selected in the season with less sewage in rural areas.
The primary sedimentation adjusting area 3 has the function of adjusting water quality, rural sewage is relatively dispersed, water is discharged irregularly, the water quality received in different time periods is different, and mixing adjustment is carried out in the primary sedimentation adjusting area 3.
Example 1: the collected water amount for treating rural sewage is 50m3/d, the effective retention time is designed to be 5d, and the volume of the MABR purification pond 4 is designed to be 600 m 3. And adjusting the air supply pressure of the air supply equipment 11, and adjusting the DO content of the area where each MABR module 5 is located, so that the MABR purification area 6 is an anaerobic area, an anoxic area and an aerobic area along the water flow direction. 40 groups of MABR modules 5 are designed, 8 aquatic plant floating beds 10 are designed and respectively arranged at the periphery of an MABR purification area 8, effluent enters an artificial wetland system after being treated by an MABR purification pond, and the effluent of the system can reach the quality standard of farmland irrigation water (GB 5084-2005) or higher.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (4)

1. The utility model provides a rural sewage ecological treatment device system of MABR which characterized in that: the collected rural sewage enters from a water inlet (1) at one end of the MABR purification pond (4), is discharged into a wetland system for deep purification from a water outlet (9) at the other end of the MABR purification pond (4) after purification treatment, and the purified water body is discharged or recycled after reaching the standard; the interior of the MABR purification pond (4) is provided with a grating zone (2), a primary sedimentation adjusting zone (3), an MABR purification zone (6), a sedimentation zone (7) and a disinfection zone (8) which are communicated in sequence; the MABR purifying area (6) is an MABR low dissolved oxygen treatment area (DO concentration is 0-2.0 mg/L), and MABR is installed in a modularized mode.
2. The MABR rural sewage ecological management device system of claim 1, characterized in that: the MABR purification pond (4) is a natural pond or an artificial pond, the depth is 1.0-4.0 m, an aquatic plant floating bed (10) is arranged on the periphery of the MABR purification pond and the surface above a water body, and aquatic plants are harvested at regular intervals.
3. The MABR rural sewage ecological management device system of claim 1, characterized in that: the MABR purification area (6) comprises a gas supply device (11), a gas supply pipeline (12), a valve (13) and an MABR module (5), wherein the MABR module (5) consists of an MABR membrane component (15), a membrane bracket (14), a bottom aeration system (18) and a control valve (17), the MABR membrane component (15) is a bubble-free aeration hollow fiber curtain type membrane component, the width of the MABR membrane component (15) is 0.2-3.0m, and the MABR membrane components (15) are connected through a gas pipeline; the air supply equipment (11) adopts a submerged fan and is arranged at the bank side of the MABR purification pond (4), or adopts a conventional fan arranged on the bank; the control valve (17) is opened periodically to disturb the water body and the surface of the hollow fiber of the MABR membrane component (15).
4. The MABR rural sewage ecological management device system of claim 1, characterized in that: the wetland system is an artificial wetland or a natural wetland.
CN202020532486.4U 2020-04-13 2020-04-13 Rural sewage ecological management device system of MABR Active CN211999376U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115140900A (en) * 2022-07-20 2022-10-04 青岛尚禹环保设备科技有限公司 MABR (moving anaerobic biofilm reactor) process rural sewage treatment equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115140900A (en) * 2022-07-20 2022-10-04 青岛尚禹环保设备科技有限公司 MABR (moving anaerobic biofilm reactor) process rural sewage treatment equipment

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