CN105936547A - Vertical, unpowered, internal circulation, and intelligent membrane bioreactor - Google Patents
Vertical, unpowered, internal circulation, and intelligent membrane bioreactor Download PDFInfo
- Publication number
- CN105936547A CN105936547A CN201610478858.8A CN201610478858A CN105936547A CN 105936547 A CN105936547 A CN 105936547A CN 201610478858 A CN201610478858 A CN 201610478858A CN 105936547 A CN105936547 A CN 105936547A
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- CN
- China
- Prior art keywords
- cylinder
- zone
- membrane bioreactor
- mbr membrane
- area
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention provides a vertical, unpowered, internal circulation, and intelligent membrane bioreactor. The membrane bioreactor comprises a vertically arranged cylinder, a three-phase separator arranged in the cylinder, an MBR membrane assembly, a center cylinder, and a reflux quantity adjuster. An anaerobic area, an anoxic area, an aerobic area, and a gas stripping area are sequentially arranged in the cylinder from bottom to top. The bottom of the anaerobic area is connected to a water inlet pipe. A water distribution system is arranged in the anaerobic area. The three-phase separator is arranged on the top end of the anaerobic area and is used to separate biogas, sludge, and effluent. The MBR membrane assembly is arranged in the aerobic area, and the lower part of the MBR membrane assembly is provided with an aeration pipeline system. One side of the top end of the aerobic area is provided with a siphon water outlet pipe that is connected to the MBR membrane assembly. The center cylinder upwardly penetrates the MBR membrane assembly from the center of the anoxic area and extends to the gas stripping area. The reflux quantity adjuster is arranged on and connected to the top end of the center cylinder. The provided MBR membrane bioreactor is an integral processing system, is used to process sewage, and has the advantages of compact structure, simple operation, and high sewage processing efficiency.
Description
Technical field
The present invention relates to a kind of sewage disposal device, raw particularly to a kind of vertical unpowered interior cycle intelligent film
Thing reactor.
Background technology
Containing large amount of organic in sanitary sewage and trade effluent, also contain various virus, antibacterial and parasite
Ovum etc., the also chloride of inorganic salts, sulfate, phosphate etc., easily produce odor pollution environment,
Very harmful to human body and all kinds of animals and plants, it is therefore desirable to harmless treatment.
At present, sanitary sewage uses the method that one-level pretreatment adds secondary biochemical treatment, wherein two grades of lifes mostly
Change processes and includes activated sludge method processing technique and biological membrane treatment process, mainly include bio-contact oxidation,
SBR method and oxidation ditch process etc., conventional active sludge treatment process flow process is: biochemical sewage grid catchments
Pond anaerobic pond Aerobic Pond second pond discharge.Existing sludge treating system runs operation complexity, knot
Structure is the compactest, sewage treating efficiency is not high enough, needs to be improved.
Summary of the invention
The present invention proposes a kind of sewage disposal MBR membrane bioreactor, solves investment in prior art big
And the problem such as treatment effeciency is low.
The technical scheme is that and be achieved in that:
A kind of vertical unpowered interior cycle intelligent membrane bioreactor, including the cylinder being vertically arranged, is located at this
Three phase separator, MBR membrane module, central tube and capacity of returns actuator in cylinder, in described cylinder by under
Upwards being sequentially provided with anaerobic zone, anoxic zone, aerobic zone and air stripping district, described cylinder is in the bottom one of anaerobic zone
Side connects a water inlet pipe, is furnished with for being flowed up by the sewage of entrance and forming suspension in described anaerobic zone
The water distribution system of mud, described three phase separator is located at the top of anaerobic zone, is used for biogas, mud and goes out
Water separately, be located in aerobic zone, and the bottom of this MBR membrane module is additionally provided with aeration tube by described MBR membrane module
Road system, the side, top of described aerobic zone is provided with the water pipe that is siphoned off being connected with MBR membrane module, described in
Heart cylinder is extended in air stripping district by being upward through MBR membrane module in the middle part of anoxic zone, and described capacity of returns actuator is even
It is arranged in the top of central tube.
Preferred version is, the side of described anaerobic zone in being additionally provided with a circulating pump, the water inlet of this circulating pump with
The position near its top of anaerobic zone connects, its bottom close of the outlet of this circulating pump and anaerobic zone
Position is connected.
Preferred version is, the top of described three phase separator connects a biogas pipe, is used for collecting three phase separation
The biogas that device retains.
Preferred version is, described in be siphoned off on water pipe being also respectively connected with backwashing pump and backwash chemicals dosing plant.
Preferred version is, described in be siphoned off on water pipe being additionally provided with online NH4 +-N detector and online TN inspection
Surveying instrument, the outside of the anoxic zone of described cylinder connects online DO instrument.
Preferred version is, described cylinder is in the position near bottom, anaerobic zone and the position near bottom, anoxic zone
It is connected to discharge pipeline.
Preferred version is, described central tube is cylindrical shape, and its bottom forms a horn mouth.
Preferred version is, described cylinder is cylindric, and it includes the main part of cylinder, is connected at this master
The tapered portion on body top and be connected at the choke on this tapered portion top, described tapered portion is by main part
Top is upwards in the most tapering type extension, and described choke is the most uniformly extended by the top of tapered portion, described
Anaerobic zone, anoxic zone and aerobic zone are correspondingly arranged in the main part of cylinder, and described air stripping district is correspondingly arranged at cylinder
Tapered portion in.
The invention have the benefit that
The vertical unpowered interior integrated processing system of cycle intelligent membrane bioreactor of the present invention, can be used for
Sanitary sewage and the process of trade effluent, compatible strong, compact conformation, simple to operate, and sewage disposal effect
Rate is high.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the vertical unpowered interior cycle intelligent membrane bioreactor of the present invention.
In figure:
100, vertical unpowered interior cycle intelligent membrane bioreactor；10, cylinder；20, three phase separator；
30, MBR membrane module；40, central tube；50, capacity of returns actuator；11, main part；12, tapered portion；
13, choke；14, anaerobic zone；15, anoxic zone；16, aerobic zone；17, air stripping district；18, water inlet
Pipe；60, circulating pump；21, biogas pipe；31, aerated conduit system；19, it is siphoned off water pipe；70, anti-
Wash pump；71, backwash chemicals dosing plant；80, online NH4 +-N detector；81, online TN detector；82、
Online DO instrument；90, discharge pipeline.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, this vertical unpowered interior cycle intelligent membrane bioreactor 100 includes that one is vertically arranged
Cylinder 10, the three phase separator 20 being located in this cylinder 10, MBR membrane module 30, central tube 40 and
Capacity of returns actuator 50.
Described cylinder 10 is cylindric, and it includes the cylindrical main part 11 of bottom end closure, is connected at this
The tapered portion 12 on main part 11 top and be connected at the choke 13 on this tapered portion 12 top.Described taper
Portion 12 is by the top of main part 11 upwards in the most tapering type extension, and described choke 13 is by tapered portion 12
Top the most uniformly extend, the maximum outside diameter of the most described tapered portion 12 is identical with the external diameter of main part 11,
Minimum outer diameter is identical with the external diameter of choke 13.Be sequentially provided with from bottom to top in this cylinder 10 anaerobic zone 14,
Anoxic zone 15, aerobic zone 16 and air stripping district 17, described anaerobic zone 14, anoxic zone 15 and aerobic zone 16 are right
Should be located in the main part 11 of cylinder 10, described air stripping district 17 is correspondingly arranged in the tapered portion 12 of cylinder 10.
The described cylinder 10 bottom side in anaerobic zone 14 connects a water inlet pipe 18, is used for introducing sewage.
It is furnished with water distribution system, for the sewage of entrance being flowed up and formed suspension dirt in described anaerobic zone 14
Mud.The side of this anaerobic zone 14 also can be provided with a circulating pump 60 above water inlet pipe 18, this circulating pump 60
Water inlet is connected with the position near its top of anaerobic zone 14, the outlet of this circulating pump 60 and anaerobic zone
The position near its bottom of 14 is connected, to increase the water velocity in anaerobic zone 14.
This three phase separator 20 is located at the top of anaerobic zone 14, for biogas, mud and water outlet are separated,
This three phase separator 20 be arranged above anoxic zone 15, the top of this three phase separator 20 connects a biogas pipe
21, for collecting the biogas that three phase separator 20 retains.Aerobic zone 16 is located at by described MBR membrane module 30
In, the bottom of this MBR membrane module 30 is additionally provided with aerated conduit system 31, and by outer fan supply with
Uniformly supply to aerobic zone 16 for aerating system and fully stir.The side, top of this aerobic zone 16 be provided with
What MBR membrane module 30 connected is siphoned off water pipe 19.
In the present embodiment, this is siphoned off on water pipe 19 being also respectively connected with backwashing pump 70 and backwash chemicals dosing plant
71, this backwashing pump 70 and backwash chemicals dosing plant 71 for the anti-cleaning of MBR membrane module 30, the most simultaneously in
It is siphoned off on water pipe 19 being provided with online NH4 +-N detector 80 and online TN detector 81, in cylinder
The outside of the anoxic zone 15 of 10 connects online DO instrument 82, for more preferably monitoring regulation biochemical system.Should
Sewage disposal MBR membrane bioreactor 100 also and can lean near the position of bottom, anaerobic zone in cylinder 10
The position of nearly bottom, anoxic zone is connected to discharge pipeline 90.
Described central tube 40 extends in choke by being upward through MBR membrane module 30 in the middle part of anoxic zone 15.
This central tube 40 is cylindrical shape, and its bottom forms a horn mouth.Reducing is located at by described capacity of returns actuator 50
It is connected in portion and with the top of central tube 40.
During use, sewage is entered by water inlet pipe, flows up shape by internal water distribution system in anaerobic zone 14
Becoming suspended sludge, by three phase separator 20 by biogas, mud and water outlet separately, water flows up in anoxia
Forming suspended sludge in district 15 and fully mix, aerated conduit system 31 is supplied by blower fans such as outside condensers,
Aerated conduit system 31 uniformly supplies to aerobic zone 16 and fully stirs MBR membrane module 30, by aerobic
The tapered portion 12 on top, district 16 forms air stripping district 17 and drives mud to flow to central tube 40, and by central tube 40
It is back to anoxic zone 15, thus between anoxic zone 15 and aerobic zone 16, forms reflux cycle.Due to center
Cylinder 40 tops are provided with capacity of returns actuator 50, can arbitrarily regulate reflux ratio, pass the gas through choke 13
Top is discharged, and discharges by being siphoned off water pipe 19 via the clear water after MBR membrane module 30, due to central tube
The bottom of 40 forms horn mouth, forms negative pressuren zone in its position, produce suction, sucked back by water after water rises
Come, produce water circulation.
This vertical unpowered interior cycle intelligent membrane bioreactor 100 is vertical structure, compared to existing
Bioreactor floor space is little, and projected area is little.This vertical unpowered interior cycle intelligent membrane bioreactor
100 integrated processing systems, are absorbed water by siphon height difference, it is not necessary to the impeller etc. in existing product
Equipment provides power to promote, and saves resource, and by online NH4 +-N detector 80 and online TN
Detector 81 equipment such as grade carries out detection and controls its running status, it is achieved it is intelligent.This vertical unpowered in follow
Ring smart membrane bioreactor 100 compact overall structure, simple to operate, and sewage treating efficiency is high.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (8)
1. a vertical unpowered interior cycle intelligent membrane bioreactor, it is characterised in that: include being vertically arranged
Cylinder, the three phase separator being located in this cylinder, MBR membrane module, central tube and capacity of returns actuator,
Be sequentially provided with anaerobic zone, anoxic zone, aerobic zone and air stripping district in described cylinder from bottom to top, described cylinder in
The bottom side of anaerobic zone connects a water inlet pipe, is furnished with the sewage for entering upwards in described anaerobic zone
Flowing and form the water distribution system of suspended sludge, described three phase separator is located at the top of anaerobic zone, for will
Separately, described MBR membrane module is located in aerobic zone, under this MBR membrane module for biogas, mud and water outlet
Portion is additionally provided with aerated conduit system, and the side, top of described aerobic zone is provided with the siphon being connected with MBR membrane module
Outlet pipe, described central tube is extended in air stripping district by being upward through MBR membrane module in the middle part of anoxic zone, described
Capacity of returns actuator is connected at the top of central tube.
Vertical unpowered interior cycle intelligent membrane bioreactor the most as claimed in claim 1, it is characterised in that:
The side of described anaerobic zone is in being additionally provided with a circulating pump, and the water inlet of this circulating pump pushes up near it with anaerobic zone
The position of end connects, and the outlet of this circulating pump is connected with the position near its bottom of anaerobic zone.
Vertical unpowered interior cycle intelligent membrane bioreactor the most as claimed in claim 1, it is characterised in that:
The top of described three phase separator connects a biogas pipe, for collecting the biogas that three phase separator retains.
Vertical unpowered interior cycle intelligent membrane bioreactor the most as claimed in claim 1, it is characterised in that:
Described being siphoned off on water pipe has been also respectively connected with backwashing pump and backwash chemicals dosing plant.
Vertical unpowered interior cycle intelligent membrane bioreactor the most as claimed in claim 4, it is characterised in that:
Described being siphoned off on water pipe is additionally provided with online NH4 +-N detector and online TN detector, described cylinder
The outside of anoxic zone connects online DO instrument.
Vertical unpowered interior cycle intelligent membrane bioreactor the most as claimed in claim 1, it is characterised in that:
Described cylinder is connected to spoil disposal in the position near bottom, anaerobic zone and the position near bottom, anoxic zone
Pipe.
Vertical unpowered interior cycle intelligent membrane bioreactor the most as claimed in claim 1, it is characterised in that:
Described central tube is cylindrical shape, and its bottom forms a horn mouth.
Vertical unpowered interior cycle intelligent membrane bioreactor the most according to any one of claims 1 to 7,
It is characterized in that: described cylinder is cylindrical shape, it includes the main part of cylinder, is connected at this main part
The tapered portion on top and be connected at the choke on this tapered portion top, described tapered portion is by the top of main part
Upwards in the most tapering type extension, described choke is the most uniformly extended by the top of tapered portion, described anaerobism
District, anoxic zone and aerobic zone are correspondingly arranged in the main part of cylinder, and described air stripping district is correspondingly arranged at the cone of cylinder
In shape portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478858.8A CN105936547B (en) | 2016-06-23 | 2016-06-23 | Vertical unpowered interior cycle intelligent membrane bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610478858.8A CN105936547B (en) | 2016-06-23 | 2016-06-23 | Vertical unpowered interior cycle intelligent membrane bioreactor |
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| Publication Number | Publication Date |
|---|---|
| CN105936547A true CN105936547A (en) | 2016-09-14 |
| CN105936547B CN105936547B (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517496A (en) * | 2016-11-25 | 2017-03-22 | 上海凯鑫分离技术股份有限公司 | Gravity-flow membrane bioreactor with low energy consumption |
| CN113233591A (en) * | 2021-04-30 | 2021-08-10 | 贵州民族大学 | Combined type biological denitrification effluent treatment plant |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342795A (en) * | 1985-08-09 | 1988-02-23 | デグレマン | Fluidized bed reactor for biological treatment of water |
| KR100926268B1 (en) * | 2009-01-13 | 2009-11-12 | 호암엔지니어링 주식회사 | Process and apparatus of four stages biological treatment including combination of pre oxic and post denitrification through none driven internal recycles and submerged membrane filtration for treating sewage and waste water |
| CN102010098A (en) * | 2010-10-29 | 2011-04-13 | 上海优博环境工程有限公司 | Membrane reactor-based adaptive and self-cleaning water recycling system in traffic service area |
| CN202766381U (en) * | 2012-03-23 | 2013-03-06 | 太平洋水处理工程有限公司 | Integrated anaerobic, anoxic and aerobic high-concentration wastewater treatment device |
| CN104045148A (en) * | 2014-07-09 | 2014-09-17 | 中国电建集团中南勘测设计研究院有限公司 | Inner-loop three-phase biological fluidized bed type membrane bioreactor (MBR) |
| CN204490595U (en) * | 2014-12-24 | 2015-07-22 | 辽宁北方环境保护有限公司 | A kind of film bioreactor device of decelerating membrane pollution |
| CN105330058A (en) * | 2015-10-30 | 2016-02-17 | 北京国电富通科技发展有限责任公司 | Adsorption-separation integrated reactor and treatment method thereof |
-
2016
- 2016-06-23 CN CN201610478858.8A patent/CN105936547B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6342795A (en) * | 1985-08-09 | 1988-02-23 | デグレマン | Fluidized bed reactor for biological treatment of water |
| KR100926268B1 (en) * | 2009-01-13 | 2009-11-12 | 호암엔지니어링 주식회사 | Process and apparatus of four stages biological treatment including combination of pre oxic and post denitrification through none driven internal recycles and submerged membrane filtration for treating sewage and waste water |
| CN102010098A (en) * | 2010-10-29 | 2011-04-13 | 上海优博环境工程有限公司 | Membrane reactor-based adaptive and self-cleaning water recycling system in traffic service area |
| CN202766381U (en) * | 2012-03-23 | 2013-03-06 | 太平洋水处理工程有限公司 | Integrated anaerobic, anoxic and aerobic high-concentration wastewater treatment device |
| CN104045148A (en) * | 2014-07-09 | 2014-09-17 | 中国电建集团中南勘测设计研究院有限公司 | Inner-loop three-phase biological fluidized bed type membrane bioreactor (MBR) |
| CN204490595U (en) * | 2014-12-24 | 2015-07-22 | 辽宁北方环境保护有限公司 | A kind of film bioreactor device of decelerating membrane pollution |
| CN105330058A (en) * | 2015-10-30 | 2016-02-17 | 北京国电富通科技发展有限责任公司 | Adsorption-separation integrated reactor and treatment method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517496A (en) * | 2016-11-25 | 2017-03-22 | 上海凯鑫分离技术股份有限公司 | Gravity-flow membrane bioreactor with low energy consumption |
| CN113233591A (en) * | 2021-04-30 | 2021-08-10 | 贵州民族大学 | Combined type biological denitrification effluent treatment plant |
| CN113233591B (en) * | 2021-04-30 | 2022-12-02 | 贵州民族大学 | Combined type biological denitrification effluent treatment plant |
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| Publication number | Publication date |
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| CN105936547B (en) | 2019-02-01 |
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Address after: 526238 No. 2, Gangnan street, high tech Industrial Development Zone, Zhaoqing City, Guangdong Province Patentee after: Guangdong Pengkai Intelligent Equipment Manufacturing Co.,Ltd. Address before: 526238 No. 2, Wende Third Street, high tech Zone, Zhaoqing City, Guangdong Province Patentee before: ZHAOQING PENGKAI ENVIRONMENTAL PROTECTION EQUIPMENT Co.,Ltd. |
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