CN203999141U - A kind of MBR device of high-efficient denitrification and dephosphorization - Google Patents

A kind of MBR device of high-efficient denitrification and dephosphorization Download PDF

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Publication number
CN203999141U
CN203999141U CN201420425100.4U CN201420425100U CN203999141U CN 203999141 U CN203999141 U CN 203999141U CN 201420425100 U CN201420425100 U CN 201420425100U CN 203999141 U CN203999141 U CN 203999141U
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district
water
swash plate
valve
film reaction
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蒋川
王璇
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CHONGQING NAIDE MACHINERY EQUIPMENT Co Ltd
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CHONGQING NAIDE MACHINERY EQUIPMENT Co Ltd
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Abstract

The utility model discloses a kind of high-efficient denitrification and dephosphorization MBR device, comprise the anaerobic zone, aerobic zone and the film reaction district that are communicated with successively; Between described aerobic zone and film reaction district, be provided with the swash plate district being communicated with, swash plate is provided with swash plate in district, and swash plate is provided with some evenly distributed limbers; Described film reaction is provided with reflux line in district, and reflux line feed-water end place is provided with the 3rd aerating apparatus, and the 3rd aerating apparatus is connected with gas blower by aerated conduit, and the water side of reflux line is connected to top, aerobic zone through swash plate district; Top, described film reaction district is provided with physics denitrogenation district, and denitrogenation dephosphorizing district passed through the mouth of a river and is connected with reuse pool, and described physics denitrogenation dephosphorizing district is provided with medicated module, and medicated module is connected with membrane module water outlet by water gathering tube road.Adopt the technical solution of the utility model, can improve Nitrogen/Phosphorus Removal, the membrane component and prolong life-span is the primary standard that sewage after treatment reaches GB-18918-2002.

Description

A kind of MBR device of high-efficient denitrification and dephosphorization
Technical field
The utility model relates to a kind of waste disposal plant, in particular to a kind of waste disposal plant with Nitrogen/Phosphorus Removal.
Background technology
Nitrogen and phosphorus are all to plant the necessary element of growth, are one of Constitution Elements of protein, and the mankind are had to very important meaning.But nitrogen, phosphoric is excessive, all can bring negative impact to vegeto-animal growth.As nitrogen, phosphorus too high levels in water, can cause the eutrophication of water body, cause contamination phenomenon such as " red tides " or " wawter bloom ".In order effectively to contain the trend of body eutrophication, many countries and regions have all put into effect strict nitrogen, phosphorus emission standard.Therefore denitrogenation dephosphorizing just becomes key subjects of sewage treatment area.
The most ripe technique of biological carbon and phosphorous removal is A-A-O technique, this process structure is simple, consuming time short, but but exist and there is following shortcoming: poor denitrification and dephosphorization effect, sludge settling property is not good, and the sewage of crossing processing through this technique is difficult to reach " urban wastewater treatment firm pollutant emission standard " primary standard (GB-18918-2002).
And MBR (membrane bioreactor) be develop rapidly in recent years a kind of sewage disposal treatment unit.It is the novel process that membrane separation technique and bioreaction technology are combined, and has replaced the second pond of traditional technology, and has significantly improved effluent quality.Along with the lifting of film production technology, film properties improves constantly, and its production cost also constantly declines, and is the universal condition that provides of membrane bioreactor.
The patent No. is that the patent of ZL201320253244.1 discloses a kind of integration denitrification and dephosphorization MBR device, in this technical scheme, passes through traditional A 2/ 0 technique and MBR in conjunction with and increase materialization phosphorus removal chemicals dosing plant and carry out denitrogenation dephosphorizing, although this technical scheme has improved Nitrogen/Phosphorus Removal, there is following shortcoming: energy consumption is larger; Sludge settling poor effect; Membrane module load in membrane biological reaction district is large, and easily stops up.
Utility model content
For above-mentioned technological deficiency, the utility model provides a kind of membrane module load little, difficult obstruction, good denitrogenation and dephosphorization effect, the denitrification and dephosphorization MBR device that energy consumption is little.
The technical solution of the utility model is: a kind of high-efficient denitrification and dephosphorization MBR device, comprises the anaerobic zone, aerobic zone and the film reaction district that are communicated with successively; Bottom, described aerobic zone is provided with the first aerating apparatus, and the first aerating apparatus is connected with gas blower by aerated conduit; Described film reaction is provided with membrane module in district, and membrane module below is provided with the second aerating apparatus, and the second aerating apparatus is connected with gas blower by aerated conduit; Described membrane module water outlet is connected with the first water gathering tube, the first water gathering tube the other end and first is adopted water valve and second and is adopted water valve and be connected, working barrel water side and first is adopted water valve and the 3rd and is adopted water valve and be connected simultaneously, working barrel water intake end and second is adopted water valve and the 4th and is adopted water valve and be connected simultaneously, the 3rd adopts water valve connects medicated module by the second water gathering tube, the 4th adopts water valve connects reuse pool by the 3rd water gathering tube, and top, reuse pool is provided with water port; Between described aerobic zone and film reaction district, be provided with the swash plate district being communicated with, swash plate is provided with swash plate in district, and swash plate is provided with some evenly distributed limbers; Described film reaction is provided with reflux line in district, and reflux line feed-water end bottom is provided with the 3rd aerating apparatus, and the 3rd aerating apparatus is connected with gas blower by aerated conduit, and the water side of reflux line is connected to top, aerobic zone through swash plate district; Top, described film reaction district is provided with physics denitrogenation dephosphorizing district, and physics denitrogenation dephosphorizing district passed through the mouth of a river and is connected with reuse pool, and described physics denitrogenation dephosphorizing district is provided with medicated module, and medicated module is connected with membrane module water outlet by water gathering tube road; Working barrel, gas blower, air-valve and all water valves of adopting are connected with controller signals.
Further, the number of described swash plate is 3-6.
Further, described the first aerating apparatus is rotary type blower fan aeration plate; The second aerating apparatus is ejector.
Further, alkaline dosing district is set in described medicated module, acid dosing district, oxygenant dosing district; Alkalescence dosing district connects the first water gathering tube by alkaline agent valve, and acid dosing district connects the first water gathering tube by sour agent valve, and oxygenant dosing district connects the first water gathering tube by oxidizer valve.
Further, bottom, described anaerobic zone is provided with the first sewage draining exit, and the first sewage draining exit is connected to sludge pipe by the first wash water valve; Bottom, described swash plate district is provided with the second sewage draining exit, and the second sewage draining exit is connected to sludge pipe by the second wash water valve; Bottom, described film reaction district is provided with the 3rd sewage draining exit, and the 3rd sewage draining exit is connected to sludge pipe by the 3rd wash water valve.
Further, top, described film reaction district is provided with overflow port, and described overflow port is directly communicated with sludge pipe.
Owing to adopting technique scheme, the utility model can reach following technique effect: be that treated sewage reaches " urban wastewater treatment firm pollutant emission standard " primary standard (GB-18918-2002); By reflux line aeration is formed to microkinetic return-flow system, reduce energy consumption, improve Nitrogen/Phosphorus Removal; Increase swash plate district, can deposit the small suspended particle of part, can reduce the load of membrane module, reduce washing time, improve the membrane module life-span; Be provided with physics denitrogenation dephosphorizing district, the further effect of intensified denitrification and dephosphorization, improves quality of sewage disposal; Sewage draining exit is set, can regularly cleans complete assembly, improve the life-span of complete assembly; Dosing wash module is set, regularly membrane module is rinsed, can prevent that membrane module from stopping up.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference numeral: 1-anaerobic zone, 2-aerated conduit, 3-gas blower, 4-controller, 5-reflux line, 6-aerobic zone, 701-the second water gathering tube, 702-first adopts water valve, 703-the 3rd adopts water valve, 704-working barrel, 705-second adopts water valve, 706-the 4th adopts water valve, 707-the 3rd water gathering tube, 708-the first water gathering tube, 8-medicated module, 801-alkalescence dosing district, the acid dosing of 802-district, 803-oxygenant dosing district, 9-physics denitrogenation dephosphorizing district, 10-water port, 11-overflow port, 12-reuse pool, 13-oxidizer valve, 14-acid agent valve, 15-alkaline agent valve, 16-sludge pipe, 17-crosses the mouth of a river, 18-membrane module, 19-film reaction district, 20-the 3rd wash water valve, 21-the 3rd sewage draining exit, 22-the second aerating apparatus, 23-the 3rd aerating apparatus, 24-the second wash water valve, 25-the second sewage draining exit, 26-swash plate district, 27-swash plate, 28-the first aerating apparatus, 29-the first wash water valve, 30-the first sewage draining exit, 31-air-valve.
Embodiment
Below in conjunction with Fig. 1, the utility model is described in further detail.
As shown in Figure 1, a kind of high-efficient denitrification and dephosphorization MBR device, comprises the anaerobic zone 1, aerobic zone 6 and the film reaction district 19 that are communicated with successively.6 bottoms, aerobic zone are provided with the first aerating apparatus 28, the first aerating apparatuss 28 and are connected with gas blower 3 by aerated conduit 2.In film reaction district 19, be provided with membrane module 18, membrane module 18 belows are provided with the second aerating apparatus 22, the second aerating apparatuss 22 and are connected with gas blower 3 by aerated conduit 2.Membrane module 18 water outlets are connected with the first water gathering tube 708, first water gathering tube 708 the other ends and first are adopted water valve 702 and second and are adopted water valve 705 and be connected, working barrel 704 water sides and first are adopted water valve 702 and the 3rd and are adopted water valve 703 and be connected simultaneously, working barrel 704 water intake ends and second are adopted water valve 705 and the 4th and are adopted water valve 706 and be connected simultaneously, the 3rd adopts water valve 703 connects physics denitrogenation dephosphorizing district 9 by the second water gathering tube 701, the 4th adopts water valve 706 connects reuse pool 12 by the 3rd water gathering tube 707, and 12 tops, reuse pool are provided with water port 10.Between aerobic zone 6 and film reaction district 19, be provided with the swash plate district 26 being communicated with, in swash plate district 26, be provided with 3-6 swash plate 27, and swash plate 27 is provided with some evenly distributed limbers.In film reaction district 19, be provided with in addition reflux line 5, reflux line 5 feed-water end places are provided with the 3rd aerating apparatus 23, the three aerating apparatuss 23 and are connected with gas blower 3 by aerated conduit 2, and the water side of reflux line 5 is connected to 6 tops, aerobic zone through swash plate district 26.Reflux line 5 feed-water end places are provided with the 3rd aerating apparatus 23, form microkinetic return-flow system, make the sewage in film reaction district 19 again be back to aerobic zone 6, have improved the effect of denitrogenation dephosphorizing, have also reduced energy consumption.Physics denitrogenation dephosphorizing district 9 is positioned at 19 tops, film reaction district, and physics denitrogenation dephosphorizing district 9 passed through the mouth of a river 17 and is connected with reuse pool 12, in physics denitrogenation dephosphorizing district 9, was provided with medicated module 8, and medicated module 8 is connected with membrane module 18 water outlets by the first water gathering tube 708 roads.19 tops, film reaction district are also provided with overflow port 11, and overflow port 11 is directly communicated with sludge pipe 16.Wherein working barrel 704, gas blower 3 are adopted water valve and air-valve 31 is connected with controller 4 signals with all.
Membrane module 18 is disposed of sewage in process, and film is easily blocked, now needs membrane module 18 to clean, and the adsorptive on film is come off.In the technical program, adopt dosing to clean, therefore 9 inside, physics denitrogenation dephosphorizing district arrange medicated module 8, alkaline dosing district 801 is set again in medicated module 8, acid dosing district 802, oxygenant dosing district 803; Alkalescence dosing district 801 connects the first water gathering tube 708 by alkaline agent valve 14, and acid dosing district 802 connects the first water gathering tube 708 by sour agent valve 14, and oxygenant dosing district 803 connects the first water gathering tube 708 by oxidizer valve 13.
For the ease of the mud of device for transferring bottom and the cleaning of denitrification and dephosphorization equipment, be provided with the first sewage draining exit 30, the first sewage draining exits 30 in 1 bottom, anaerobic zone and be connected to sludge pipe 16 by the first wash water valve 29; 26 bottoms, swash plate 27th district are provided with the second sewage draining exit 25, the second sewage draining exits 25 and are connected to sludge pipe 16 by the second wash water valve 24; 19 bottoms, film reaction district are provided with the 3rd sewage draining exit 21, the three sewage draining exits 21 and are connected to sludge pipe 16 by the 3rd wash water valve 20.
Wherein the first aerating apparatus 28 is rotary type blower fan aeration plate; The second aerating apparatus 22 is ejector.The first aerating apparatus 28 in aerobic zone 6 interior settings is rotary type blower fan aeration plate, can ensure the soonest the interior needed oxyty in anaerobic zone 1; The second aerating apparatus 22 of film reaction district 19 interior settings is ejector, both can, to membrane module 18 aerations, can rinse membrane module 18 again simultaneously, reduces the stopping state of membrane module 18.
In the utility model, sewage disposal flow process is: sewage enters anaerobic zone 1, and wherein the interior dissolved oxygen in anaerobic zone 1 is less than 0.1mg/L, and the larger molecular organics in Gai district sewage changes into small organic molecule.In anaerobic zone 1, interior reacted sewage overflow enters aerobic zone 6,6 bottoms, aerobic zone are provided with the first aerating apparatus 28, by the debugging of controller 4, control aeration rate, keep the interior dissolved oxygen in aerobic zone 6 to be greater than 2.0mg/L, for the nitrated and aerobic suction phosphorus of organic aerobic decomposition, ammonia nitrogen provides aerobic condition, in aerobic zone 6, interior most of pollutent is degraded.Then sewage is by the swash plate 27 with permeable hole of swash plate district 26 interior middle settings, and the macromole suspended substance of aerobic zone 6 interior remnants, in the interior deposition in swash plate district 26, has ensured that the suspended substance seeing through in the sewage in swash plate district 26 minimizes.
Sewage through anaerobic zone 1, aerobic zone 6 and swash plate 27 districts 26 enters film reaction district 19, in film reaction district 19, be provided with membrane module 18, membrane module 18 belows are provided with the second aerating apparatus 22, regulate and control aeration rate by controller 4, keep whole membrane biological reaction district in the oxygen environment of holding concurrently, dissolved oxygen, lower than 1.0mg/L, forms the microecosystem that facultative microbe and anaerobion coexist, and releases phosphorus favourable condition is provided for organic further removal, anoxic denitrification and anoxic.After the organism of various difficult degradations, microorganism, phosphorus containing sludge tunicle are held back, under macrocyclic double oxygen condition, be decomposed into water, gas and energy by microorganism.Wherein the small suspended substance of 19 tops, film reaction district enters into sludge pipe 16 by the overflow port 11 of 19 tops, film reaction district.And in film reaction district 19, be provided with reflux line 5, and reflux line 5 feed-water ends are provided with the 3rd aerating apparatus 23, by aeration, form microkinetic return-flow system, make sewage in film reaction district 19 by being again back to aerobic zone 6.
Sewage in the 19 interior reactions of film reaction district enters into the first water gathering tube 708 by membrane module 18 water sides, now opening working barrel 704, second adopts water valve 705 and the 3rd and adopts water valve 703, closing first adopts water valve 702 and the 4th and adopts water valve 706, sewage enters into physics denitrogenation dephosphorizing district 9, wherein in physics denitrogenation dephosphorizing district 9, is provided with natural Buddhist stone.Sewage through physics denitrogenation dephosphorizing passed through the mouth of a river 17, entered into reuse pool 12.
After membrane module 18 life-time service, easily blocked, clean not in time that easily to cause membrane module 18 to load excessive, reduce work-ing life, is also unfavorable for the carrying out of sewage disposal simultaneously.So when membrane module 18 used after for some time, need to close second adopts water valve 705 and the 3rd and adopts water valve 703, open first and adopt water valve 702, the 4th and adopt water valve 706 and working barrel 704, the water in reuse pool 12 enters in membrane module 18 by the 3rd reuse water pipeline, and membrane module 18 is rinsed.Physics denitrogenation dephosphorizing district 9 is provided with medicated module 8 in addition, and medicated module 8 is connected with membrane module 18 by the first water gathering tube 708, by medicament, membrane module 18 is cleaned.Wherein medicated module 8 is divided into and puts alkaline dosing district 801, acid dosing district 802, oxygenant dosing district 803, can successively open alkaline agent valve 14, sour agent valve 14 and oxidizer valve 13, allow medicament enter into membrane module 18 interior to membrane module 18 combined type cleanings, accelerate the falling speed of pollutent in membrane module 18, and the effect that medicinal composition cleans is also better than single medicine cleaning more.

Claims (6)

1. a high-efficient denitrification and dephosphorization MBR device, comprises the anaerobic zone (1), aerobic zone (6) and film reaction district (19) that are communicated with successively, bottom, described aerobic zone (6) is provided with the first aerating apparatus (28), the first aerating apparatus (28) is connected with gas blower (3) by aerated conduit (2), and aerated conduit (2) is provided with air-valve (31), in described film reaction district (19), be provided with membrane module (18), membrane module (18) below is provided with the second aerating apparatus (22), and the second aerating apparatus (22) is connected with gas blower (3) by aerated conduit (2), described membrane module (18) water outlet is connected with the first water gathering tube (708), the first water gathering tube (708) the other end and first is adopted water valve (702) and second and is adopted water valve (705) and be connected, working barrel (704) water side and first is adopted water valve (702) and the 3rd and is adopted water valve (703) and be connected simultaneously, working barrel (704) water intake end and second is adopted water valve (705) and the 4th and is adopted water valve (706) and be connected simultaneously, the 3rd adopts water valve (703) connects physics denitrogenation dephosphorizing district (9) by the second water gathering tube (701), the 4th adopts water valve (706) connects reuse pool (12) by the 3rd water gathering tube (707), top, reuse pool (12) is provided with water port (10), it is characterized in that: between described aerobic zone (6) and film reaction district (19), be provided with the swash plate district (26) being communicated with, in swash plate district (26), be provided with swash plate (27), swash plate (27) is provided with some evenly distributed limbers, in described film reaction district (19), be provided with reflux line (5), reflux line (5) feed-water end place is provided with the 3rd aerating apparatus (23), the 3rd aerating apparatus (23) is connected with gas blower (3) by aerated conduit (2), and reflux line (5) water side is connected to top, aerobic zone (6) through swash plate district (26), top, described film reaction district (19) is provided with physics denitrogenation dephosphorizing district (9), physics denitrogenation dephosphorizing district (9) passed through the mouth of a river (17) and was connected with reuse pool (12), in physics denitrogenation dephosphorizing district (9), be provided with medicated module (8), medicated module (8) is connected with membrane module (18) water outlet by the first water gathering tube (708) road, described working barrel (704), gas blower (3), air-valve (31) and all water valves of adopting are connected with controller (4) signal.
2. denitrification and dephosphorization MBR device according to claim 1, is characterized in that: the number of described swash plate (27) is 3-6.
3. denitrification and dephosphorization MBR device according to claim 1, is characterized in that: described the first aerating apparatus (28) is rotary type blower fan aeration plate; The second aerating apparatus (22) is ejector.
4. denitrification and dephosphorization MBR device according to claim 1, is characterized in that: alkaline dosing district (801) is set, acid dosing district (802), oxygenant dosing district (803) in described medicated module (8); Alkalescence dosing district (801) connects the first water gathering tube (708) by alkaline agent valve (15), acid dosing district (802) connects the first water gathering tube (708) by sour agent valve (14), and oxygenant dosing district (803) connects the first water gathering tube (708) by oxidizer valve (13).
5. denitrification and dephosphorization MBR device according to claim 1, it is characterized in that: described anaerobic zone (1) bottom is provided with the first sewage draining exit (30), and the first sewage draining exit (30) is connected to sludge pipe (16) by the first wash water valve (29); Bottom, described swash plate (27) district (26) is provided with the second sewage draining exit (25), and the second sewage draining exit (25) is connected to sludge pipe (16) by the second wash water valve (24); Bottom, described film reaction district (19) is provided with the 3rd sewage draining exit (21), and the 3rd sewage draining exit (21) is connected to sludge pipe (16) by the 3rd wash water valve (20).
6. denitrification and dephosphorization MBR device according to claim 1, is characterized in that: top, described film reaction district (19) is provided with overflow port (11), and described overflow port (11) is directly communicated with sludge pipe (16).
CN201420425100.4U 2014-07-30 2014-07-30 A kind of MBR device of high-efficient denitrification and dephosphorization Withdrawn - After Issue CN203999141U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104098178A (en) * 2014-07-30 2014-10-15 重庆耐德机械设备有限公司 Efficient nitrogen and phosphorus removal MBR (Membrane Bioreactor) device
CN106698653A (en) * 2016-12-14 2017-05-24 天津膜天膜科技股份有限公司 Composite energy-saving and consumption-reducing MBR sewage treatment system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104098178A (en) * 2014-07-30 2014-10-15 重庆耐德机械设备有限公司 Efficient nitrogen and phosphorus removal MBR (Membrane Bioreactor) device
CN104098178B (en) * 2014-07-30 2016-01-27 重庆耐德机械设备有限公司 A kind of MBR device of high-efficient denitrification and dephosphorization
CN106698653A (en) * 2016-12-14 2017-05-24 天津膜天膜科技股份有限公司 Composite energy-saving and consumption-reducing MBR sewage treatment system

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