CN205387523U - Low energy consumption composite membrane bioreactor - Google Patents
Low energy consumption composite membrane bioreactor Download PDFInfo
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- CN205387523U CN205387523U CN201520731868.9U CN201520731868U CN205387523U CN 205387523 U CN205387523 U CN 205387523U CN 201520731868 U CN201520731868 U CN 201520731868U CN 205387523 U CN205387523 U CN 205387523U
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Abstract
The utility model relates to a low energy consumption composite membrane bioreactor. Low energy consumption composite membrane bioreactor includes: bioreactor main part, membrane group ware and aeration pipe, wherein, membrane group ware is located the inside below of bioreactor main part, the use guide plate will two symmetrical area are cut apart into to the inside of bioreactor main part, membrane group ware is located respectively among two symmetrical area, laid respectively among two symmetrical area the aeration pipe, the aeration pipe links to each other with the motorised valve respectively, the motorised valve is controlled respectively aeration pipe circulation hocket aeration, and carrier filler has still been laid in the bioreactor main part.
Description
Technical field
This utility model relates to biological sewage reactor, in particular it relates to a kind of low energy consumption hybrid mbr.
Background technology
At present, along with the raising of the development of China's rural economy and life in the countryside level, rural area distributing water pollution also aggravates increasingly.Rural area distributing pollution of waterhead processes and is different from city and Small Urban centralized processing, and sewage Scatter Gather is difficult, lack municipal wastewater collector pipe network and effectively manage, and measures little wide, decentralized.The developed countries such as American-European Japan are to the starting of dispersant type domestic wastewater treatment research relatively early, and studies in China is started late and technology is single,, there is the shortcomings such as the suitability is poor, floor space big, poor denitrification and dephosphorization effect, operation operational management complexity in the main technique adopting aerobic, anaerobism or anaerobism and aerobic combination.
Membrane bioreactor is the efficient wastewater processing technology that biological treatment is combined with membrance separation.It has treatment effeciency height, and water outlet can direct reuse；System run all right, flow process are simple, equipment is few, floor space is little；Sludge age is long, and surplus sludge volume is few；And convenient operation and management, it is easy to accomplish the advantage such as automatically control.Discharge standard can be reached by the sanitary sewage of Membrane Bioreactor for Wastewater Treatment directly to discharge.
In addition, discovery is studied both at home and abroad, it is possible to remove total nitrogen (TN) by the synchronous nitration and denitrification occurred in same reactor or short-cut nitrification and denitrification.This technology is used for membrane bioreactor, by adding a certain amount of carrier filler, is possible not only to change the character of muddy water mixed solution, reduce fouling membrane, prolonging service lifetime of film；And the certain thickness biomembrane of apposition growth has been in oxygen condition due to outer layer on carrier filler, there is nitration reaction, and internal layer biomembrane is in hypoxic/anaerobic state, anti-nitration reaction occurs, synchronize to occur anti-nitration reaction to be achieved, be greatly reinforced system and total nitrogen is removed.
But, one of disadvantage of current conventional film bioreactor is in that, it generally requires and is performed continuously over aerobic aeration.Specifically, existing conventional film bioreactor aerating system is owing to adopting persistence aeration, and aeration energy consumption accounts for the height of whole service energy consumption to 60%-80%, causes that overall operation cost remains high.Additionally, due to continue aeration, also can produce the problems such as fouling membrane is serious, service life is short, thus limiting its actually used in sewage disposal.
Therefore, this area is in the urgent need to a kind of new Using Hybrid Biofilm Reactor device, and this device while efficiently processing waste water, can reduce energy consumption, decelerating membrane pollution and increase the service life, and then can reduce the holistic cost of sewage disposal.
Utility model content
This utility model provides a kind of low energy consumption hybrid mbr, it is therefore intended that obtains the anti-load impact ability of raising system, decelerating membrane pollution, saving operation energy consumption, obtains stable Nitrogen/Phosphorus Removal simultaneously.
In one aspect, this utility model provides a kind of low energy consumption hybrid mbr, described low energy consumption hybrid mbr includes: bioreactor main body, film group device and aeration tube, wherein, described film group device is positioned at the lower inside of described bioreactor main body, using deflector that the inside division of described bioreactor main body is become two symmetrical regions, described film group device lays respectively in said two symmetrical region；Being laid with described aeration tube in said two symmetrical region respectively, described aeration tube is connected with electrodynamic valve respectively, and described electrodynamic valve controls described aeration tube cycle alternation respectively and carries out aeration；And also it is laid with carrier filler in described bioreactor main body.
In one preferred embodiment, described low energy consumption hybrid mbr also includes water inlet system, and described water inlet system is arranged on described bioreactor body exterior, and described water inlet system includes intake pump and grid, and the pore size filter of described grid is 1-3mm.
Another preferred embodiment in, described grid is rustless steel grid.
Another preferred embodiment in, described low energy consumption hybrid mbr also includes outlet system, and described system is arranged on described bioreactor body exterior, outlet system described in outlet system include negative pressure of vacuum table, water flow meter and produce water pump.
Another preferred embodiment in, described product water pump press the cyclical intermission method of operation run, take out, between the stopping time, respectively may be about 4-10 minute and 1-5 minute.
Another preferred embodiment in, described low energy consumption hybrid mbr also includes aerator, and described aerator is connected with described electrodynamic valve and described aeration tube by steam line.
Another preferred embodiment in, described aeration tube is boring aeration pipe or micropore aeration pipe, the described film group device that described aeration tube is respectively arranged in two symmetrical regions be carried out below alternative aeration.
Another preferred embodiment in, aeration time is about the 30-40 second.
Another preferred embodiment in, described low energy consumption hybrid mbr also includes the discharge pipeline being connected to described bioreactor bottom part body, and is positioned at the static pressure of described bioreactor body interior
Formula level meter.
Another preferred embodiment in, described low energy consumption hybrid mbr also includes the master control system being connected with described intake pump, described negative pressure of vacuum table, described water flow meter, described product water pump, described static pressure type level meter, described discharge pipeline, described electrodynamic valve and described aerator.
Another preferred embodiment in, described carrier filler includes one or more of: powder filler activated carbon (PAC), grain active carbon (GAC), sponge, Ball-type packing, calcium alginate.
Another preferred embodiment in, described film group device includes multi-disc hollow fiber composite membrane diaphragm, and described hollow fiber composite membrane diaphragm includes polrvinyl chloride (PVC) diaphragm or Kynoar (PVDF) diaphragm.
Hybrid mbr of the present utility model operation principle in use is as follows: treatment sewage imports through intake pump and enters bioreactor main body after grid filtration, aerating system constantly supplies to aeration tube, film group device is divided into two symmetrical regions by the deflector arranged between film group device, realizing region alternate cycles aeration by controlling aeration tube electrodynamic valve switch, aeration makes mud mixed liquid, uniform filling be distributed in film group device.When a wherein region aeration, forming aerobic environment in region, Organic substance quickly divides, when aerobic nitrification, aerobic phosphorus absorption effect occur；Another region forms anoxia/oxygen environment of holding concurrently, and Denitrification, anoxia are released phosphorus effect and occurred.Two regions constantly realize aerobic and anoxia/oxygen environmental condition of holding concurrently conversion by alternate cycles aeration, grow for nitrifier and denitrifying bacterium and provide symbiosis conditions, thus realizing efficiently denitrogenating dephosphorization.Simultaneously, biofilm development on carrier filler, improve total microbial biomass in bioreactor, system organic loading reduces, sludge concentration lowers, slow down fouling membrane, and biomembrane is for the equally possible lessening membrane fouling of absorption degradation of dissolved phenols (SMP) and extracellular polymeric (EPS).In whole processing procedure, main control unit controls to run water inlet system, aerating system, outlet system.
Accompanying drawing explanation
It it is the structural representation of the illustrative embodiments of low energy consumption hybrid mbr of the present utility model shown in Fig. 1.
This low energy consumption hybrid mbr includes: intake pump 1；Grid 2；Carrier filler 3；Film group device 4；First aeration tube 5-1 and the second aeration tube 5-2；Deflector 6；Negative pressure of vacuum table 7；Produce water ga(u)ge 8；Produce water pump 9；Master control system 10；Pressure-type liquidometer 11；Discharge pipeline 12；First electrodynamic valve 13-1 and the second electrodynamic valve 13-2；Aerator 14；And biological respinse body region 15.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model will be further described, however, it is understood that they are merely to illustrate this utility model rather than limit scope of the present utility model.
It is low energy consumption hybrid mbr of the present utility model as shown in Figure 1, comprising: biological respinse main body 15, film group device the 4, first aeration tube 5-1 and the second aeration tube 5-2 and carrier filler 3, wherein, described film group device 4 is arranged at the lower inside of described bioreactor main body 15, using deflector 6 that the inside division of described bioreactor main body 15 is become two symmetrical regions, described film group device 4 lays respectively in two symmetrical regions.
Being about 30-45cm at the bottom of the pond of the bottom distance bioreactor main body 15 of described deflector 6, its top is about 5-15cm apart from the liquid level of described bioreactor main body 15.
Two independent aeration tubes, the first aeration tube 5-1 and the second aeration tube 5-2 are respectively arranged in the lower section of the film group device 4 being positioned at two symmetrical regions, are about 20-40cm at the bottom of the pond of 15 from described biological respinse main body.Said two aeration tube, the first aeration tube 5-1 and the second aeration tube 5-2 connect with aerator 14 import department after connecting with the first electrodynamic valve 13-1 and the second electrodynamic valve 13-2.
Described film group device 4 is connected with negative pressure of vacuum table 7 by pipeline, and the sewage multiparity water pump 9 of generation is discharged.
Commissioning test is as follows: waste water flows into grid 2 through intake pump 1, enters biological respinse body region 15 after the filtration of grid 2.First electrodynamic valve 13-1 and the second electrodynamic valve 13-2 controls two aeration tubes, the first aeration tube 5-1 and the second aeration tube 5-2 alternate cycles aeration.Namely the first aeration tube 5-1 carries out aeration, the second aeration tube 5-2 stops aeration, and the second aeration tube 5-2 aeration, the first aeration tube 5-1 stop aeration subsequently, and aeration time respectively may be about 30-40s, and such cycle alternation is reciprocal.Under aeration effect, mud mixed liquid and carrier filler 3 are evenly distributed to deflector 6 side, form aerobic environment condition, and opposite side then forms anaerobic environment, and in two symmetrical regions, aerobic-anaerobic-oxygen environment of holding concurrently is alternately distributed.Film group device 4 is connected with product water pump 9 suction water outlet by pipeline, and swabbing pressure is about 0-60kPa, and permeant flux is about 1-120L/m2.h.Pressure-type liquidometer 11 shows high-low water level.When low water level, master control system 10 starts intake pump 1 and intakes, and when high water level, stops intake pump 7 and intakes.Produce water pump 9 cyclical intermission to run, take out, between the stopping time, respectively may be about 4-10 minute and 1-5 minute.
The beneficial effect of utility model
In this utility model, in bioreactor main body, add filler so that filler adheres to substantial amounts of microorganism, be effectively formed biomembrane, improve the anti-load impact ability of system, decelerating membrane pollution and reduction Membrane cleaning
Frequency.
In this utility model, continue aeration mode by changing tradition conventional film bioreactor, film group device is divided into two symmetrical regions, not only reduces energy requirements, also in same reactor, achieve synchronous nitration and denitrification, enhance system Nitrogen/Phosphorus Removal.
In this utility model, film group device adopts composite hollow fiber membrane, can effectively prevent fracture of wire phenomenon.
Although for the purpose being aware and understand, this utility model is described in detail, but after having read present specification, those skilled in the art will be appreciated that, under not necessarily departing from the premise of spirit of the present utility model and essence, this utility model can carry out various amendment and change, and these amendments and change each fall within the scope included by appended claims and equivalents thereto thereof.
Claims (9)
1. a low energy consumption hybrid mbr, described low energy consumption hybrid mbr includes: bioreactor main body (15), film group device (4) and the first aeration tube (5-1) and the second aeration tube (5-2), it is characterised in that:
Described film group device (4) is positioned at the lower inside of described bioreactor main body (15), using deflector (6) that the inside division of described bioreactor main body (15) is become two symmetrical regions, described film group device (4) lays respectively in said two symmetrical region；
Said two symmetrical region is laid with described first aeration tube (5-1) and the second aeration tube (5-2) respectively, described first aeration tube (5-1) is connected with the first electrodynamic valve (13-1) and the second electrodynamic valve (13-2) respectively with the second aeration tube (5-2), and described first electrodynamic valve (13-1) and the second electrodynamic valve (13-2) control described first aeration tube (5-1) respectively and the second aeration tube (5-2) cycle alternation carries out aeration；And
Carrier filler (3) also it is laid with in described bioreactor main body (15).
2. low energy consumption hybrid mbr as claimed in claim 1, it is characterized in that, described low energy consumption hybrid mbr also includes water inlet system, described water inlet system is arranged on described bioreactor body exterior, described water inlet system includes intake pump (1) and grid (2), and the pore size filter of described grid (2) is 1-3mm.
3. low energy consumption hybrid mbr as claimed in claim 1, it is characterized in that, described low energy consumption hybrid mbr also includes outlet system, described outlet system is arranged on described bioreactor body exterior, and described outlet system includes negative pressure of vacuum table (7), water flow meter (8) and produces water pump (9).
4. the low energy consumption hybrid mbr as according to any one of claim 1-3, it is characterized in that, described low energy consumption hybrid mbr also includes aerator (14), and described aerator (14) is connected by steam line and described first electrodynamic valve (13-1) and the second electrodynamic valve (13-2) and described first aeration tube (5-1) and the second aeration tube (5-2).
5. the low energy consumption hybrid mbr as according to any one of claim 1-3, it is characterized in that, described first aeration tube (5-1) and the second aeration tube (5-2) are boring aeration pipe or micropore aeration pipe, and described first aeration tube (5-1) and the second aeration tube (5-2) be respectively arranged at described film group device (4) be carried out below alternative aeration.
null6. low energy consumption hybrid mbr as claimed in claim 1，It is characterized in that，Described low energy consumption hybrid mbr also includes water inlet system，Described water inlet system is arranged on described bioreactor body exterior，Described water inlet system includes intake pump (1) and grid (2)，The pore size filter of described grid (2) is 1-3mm，Described low energy consumption hybrid mbr also includes outlet system，Described outlet system is arranged on described bioreactor body exterior，Described outlet system includes negative pressure of vacuum table (7)、Water flow meter (8) and product water pump (9)，Described low energy consumption hybrid mbr also includes aerator (14)，Described aerator (14) is connected by steam line and described first electrodynamic valve (13-1) and the second electrodynamic valve (13-2) and described first aeration tube (5-1) and the second aeration tube (5-2)，And described low energy consumption hybrid mbr also includes the discharge pipeline (12) being connected to described bioreactor main body (15) bottom，And it is positioned at the static pressure type level meter (11) that described bioreactor main body (15) is internal.
7. low energy consumption hybrid mbr as claimed in claim 6, it is characterized in that, described low energy consumption hybrid mbr also includes the master control system (10) being connected with described intake pump (1), described negative pressure of vacuum table (7), described water flow meter (8), described product water pump (9), described static pressure type level meter (11), described discharge pipeline (12), described first electrodynamic valve (13-1) and the second electrodynamic valve (13-2) and described aerator (14).
8. the low energy consumption hybrid mbr as according to any one of claim 1-3; it is characterized in that, described carrier filler (3) includes one or more of: powder filler activated carbon (PAC), grain active carbon (GAC), sponge, Ball-type packing, calcium alginate.
9. the low energy consumption hybrid mbr as according to any one of claim 1-3, it is characterized in that, described film group device (4) includes multi-disc hollow fiber composite membrane diaphragm, and described hollow fiber composite membrane diaphragm includes polrvinyl chloride (PVC) diaphragm or Kynoar (PVDF) diaphragm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520731868.9U CN205387523U (en) | 2015-09-21 | 2015-09-21 | Low energy consumption composite membrane bioreactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520731868.9U CN205387523U (en) | 2015-09-21 | 2015-09-21 | Low energy consumption composite membrane bioreactor |
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| CN205387523U true CN205387523U (en) | 2016-07-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145557A (en) * | 2016-08-29 | 2016-11-23 | 武汉东川自来水科技开发有限公司 | A kind of integration switching aeration waste water processing system and processing method |
| CN106477722A (en) * | 2016-12-21 | 2017-03-08 | 河海大学 | A kind of combined film bioreactor and application thereof |
| CN109205784A (en) * | 2018-09-30 | 2019-01-15 | 浙江工商大学 | A kind of film bioreactor device and technique for sanitary sewage disposal |
-
2015
- 2015-09-21 CN CN201520731868.9U patent/CN205387523U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145557A (en) * | 2016-08-29 | 2016-11-23 | 武汉东川自来水科技开发有限公司 | A kind of integration switching aeration waste water processing system and processing method |
| CN106477722A (en) * | 2016-12-21 | 2017-03-08 | 河海大学 | A kind of combined film bioreactor and application thereof |
| CN109205784A (en) * | 2018-09-30 | 2019-01-15 | 浙江工商大学 | A kind of film bioreactor device and technique for sanitary sewage disposal |
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Effective date of registration: 20201231 Address after: 401120 No.2, Yangliu Road, new North District, Yubei District, Chongqing Patentee after: CHONGQING LITREE WATER PURIFICATION TECHNOLOGY Co.,Ltd. Address before: 571126, Shunda Road, Meilan District, Hainan, Haikou, 13 Patentee before: Hainan Lisheng Water Purification Technology Industrial Co.,Ltd. |