CN108726818A - A kind of integration MBR sewage-treatment plants and its processing method - Google Patents
A kind of integration MBR sewage-treatment plants and its processing method Download PDFInfo
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- CN108726818A CN108726818A CN201810917528.3A CN201810917528A CN108726818A CN 108726818 A CN108726818 A CN 108726818A CN 201810917528 A CN201810917528 A CN 201810917528A CN 108726818 A CN108726818 A CN 108726818A
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- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- 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
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- 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
- C02F2301/046—Recirculation with an external loop
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of integration MBR sewage-treatment plants, including processing pond, water inlet pipe and mud return line, water distributor is equipped in processing pond, water distribution tube opening is towards processing pond bottom, aerator is equipped with above water distributor, aerator passes through piping connection to external wind turbine, in processing pond above aerator below liquid level the places 1.5-3m equipped with support bracket, support bracket is built-in with ultrafiltration membrane mechanism, it is additionally provided in processing pond and cools back flow tube, it cools back flow tube and water distributor is connect with heat exchanger, heat exchanger is connected with cooling body by cooling cycle pipeline, cooling cycle pipeline is equipped with coolant circulation pump, water inlet pipe is connected to mud return line, one end of mud return line is connect with water distributor, the other end is connect with heat exchanger, water inlet pipe is equipped with intake pump；It is additionally provided with outlet pipe in processing pond above ultrafiltration membrane mechanism；The invention also includes the processing methods of above-mentioned apparatus.The present invention has floor space small, the few feature of equipment, the sewage disposal especially suitable for lack of space area.
Description
Technical field
The present invention relates to a kind of sewage disposal device and its processing methods, and in particular to a kind of integration MBR sewage disposals
Device and its processing method.
Background technology
MBR sewage disposals are a kind of usual ways of Modern sewage processing, use membrane bioreactor (Membrane
Bioreactor, abbreviation MBR) technology is a kind of new technology that biologic treating technique is combined with membrane separation technique, instead of biography
Secondary settling tank in technique of uniting, it can be efficiently separated by solid-liquid separation, and wherein AO techniques are by leading portion anoxic section and back segment aerobic section
It is cascaded, A sections of DO are not more than 0.2mg/L, O sections of DO=2~4mg/L.In anoxic section heterotroph by starch, the fibre in sewage
The suspended contaminants such as dimension, carbohydrate and dissolved organic matter are hydrolyzed to organic acid, and larger molecular organics is made to be decomposed into small point
Sub- organic matter, insoluble organic matter are converted to dissolved organic matter, when these products through anaerobic hydrolysis enter aerobic tank into
When row Aerobic Process for Treatment, the biodegradability of sewage and the efficiency of oxygen can be improved；In anoxic section, heterotroph is by dirts such as protein, fat
Contaminating object progress ammonification (amino in N or amino acid in organic chain), dissociate ammonia (NH3、NH4+), under sufficient oxygen supply condition,
The nitrification of autotrophic bacterium is by NH3-N(NH4+) it is oxidized to NO3-, by flowing back, control is back to the ponds A, under anoxic conditions, different oxygen
NO3- is reduced to molecular nitrogen (N by the denitrification of bacterium2) cycle of C, N, O in ecology is completed, made by the separation of film
With realization sewage harmless treatment.As a kind of efficient denitrification technique, in high nitrogenous effluent treatment, MBR techniques have obtained extensively
General application.
In the treatment of waste water, it often will appear the case where design water quality is not inconsistent with practical influent quality, cause some processes
It is idle, do not play the effect that play, such as the anaerobism such as UASB, UBF of extensive utilization in the processing of landfill leachate
Reaction tower often results in water quality biochemistry section deficiency with the variation of water quality, and anaerobic tower becomes ornaments.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of integration MBR sewage disposals
Device and its processing method, it has floor space small, the few feature of equipment, at the sewage especially suitable for lack of space area
Reason.
In order to solve the above technical problems, technical solution proposed by the present invention is：A kind of integration MBR sewage-treatment plants,
Including processing pond, water inlet pipe and mud return line, it is equipped with water distributor in the processing pond, water distribution tube opening is towards processing pond bottom
Portion, the water distributor top are equipped with aerator, and the aerator passes through piping connection to external wind turbine, the aeration dress
Set in the processing pond of top that equipped with support bracket, the support bracket is built-in with ultrafiltration membrane mechanism at the places 1.5-3m below the liquid level,
It is additionally provided in the processing pond and cools back flow tube, cooled back flow tube and be equipped with cooling water pump, it is described to cool back flow tube and water distributor
It is connect with heat exchanger, the heat exchanger is connected with cooling body by cooling cycle pipeline, is set on the cooling cycle pipeline
There are coolant circulation pump, the water inlet pipe to be connected to mud return line, one end of the mud return line is connect with water distributor, another
End is connect with heat exchanger, and the water inlet pipe is equipped with intake pump；It is additionally provided with water outlet in processing pond above the ultrafiltration membrane mechanism
Pipe.
As a further improvement of the above technical scheme：The water distributor is intake apart from bottom of pond 0.1-0.5m in intake pump
Lower beat to bottom plate of pressure rebound to form a hydraulic mixing, formed muddy water stirring action, prevent sludge settling, when water distributor away from
When being more than 0.5m from bottom of pond, flow is difficult to form the power stirred upwards.
Further, online detection instrument is additionally provided in the processing pond, the online detection instrument includes MLSS detections
Instrument, DO detectors, pH detectors and/or tank gage, online detection instrument are the foundation of real-time monitoring system control parameter.
Further, the liquid level face 3-8m that the aerator distance is positioned above, this is according to Aeration fan wind pressure
What value was rationally arranged.
Further, described to cool back flow tube and the tie point of processing pond is arranged below at liquid level 0.5-2.5m, it is cooling
Return duct prevents cooling water pump from dallying less than liquid level face using the self-flowing effect of water.
Further, the water inlet pipe is equipped with feed water flow gauge, and the mud return line is equipped with mixing flow of inlet water
Meter, the outlet pipe are equipped with water flow meter, are additionally provided with water outlet pump on outlet pipe, water outlet pump is self priming pump, passes through water outlet pump
Swabbing action the water handled well is separated, be mixed into water ga(u)ge and water flow be calculated as control Inlet and outlet water and reflux ratio
Foundation.
Further, the wind turbine, cooling water pump, intake pump and coolant circulation pump are both provided with control on the spot and in line traffic controls
Double control system processed can be reasonably selected according to circumstances.
Further, the water inlet pump discharge, cooling water pump outlet and cooling cycle pump discharge are equipped with check-valves, non-return
The setting of valve can prevent said pump from reversal development occur.
Further, the wind turbine is conversion architecture, can real-time regulating air volume.
A kind of integration MBR sewage water treatment methods, include the following steps：
1) water inlet pipe is converged with mud return line and is then connect with the water distributor positioned at processing pond bottom of pond, water distribution tube opening
Downward, by intake pressure, flow is turned to the bottom of processing pond through rebound, up-flow is upward, is realized to place by flow itself
Manage the stirring of mud mixture in pond；
2) air is passed through to the aerator above water distributor by wind turbine, make to occur in processing pond top it is aerobic,
The alternation response of lower anaerobic；
3) sewage after the reaction of processing pond internal upper part flows out processing pond after the filtering of ultrafiltration membrane mechanism by outlet pipe
Into next step treatment process, sewage in the middle part of processing pond, which is flow automatically by cooling back flow tube, enters back into heat exchanger after cooling water pump
In, recirculated water is returned through mud return line again after cooling body cools down and carries out circular response in water distributor.
Compared with the prior art, the advantages of the present invention are as follows：
1, integrated MBR sewage-treatment plants of the invention are by being arranged the water distributor that Open Side Down, by beating flow
It rebounds to bottom of pond, up-flow is upward, is realized to the stirring action of mud mixture in pond by flow itself, reaches a processing pond
In can not only realize aerobic reaction but also can realize anaerobic reaction have floor space small, the low advantage of equipment input cost；
2, cooling water pump can double as interior reflux pump and hydraulic mixing power in integrated MBR sewage-treatment plants of the invention
Equipment reduces equipment investment, can not only be cooled down to system, but also can realize that denitrification reflux acts on；
3, integrated MBR sewage-treatment plants intake pump of the invention and coolant circulation pump pump can double as water inlet stirring
Device may not need installation mechanical stirring equipment, conducive to equipment investment is reduced；
4, in integrated MBR sewage-treatment plants of the invention various pumps with instrument be provided with On-line funchon, it can be achieved that
Online with two kinds of modes of operation on the spot, operating flexibility it is various compared with senior middle school pump with instrument be provided with On-line funchon, it can be achieved that
Line with two kinds of modes of operation, operating flexibility are higher on the spot；
5, the mud return line in integrated MBR sewage-treatment plants of the invention realizes water outlet certainly by head difference
Stream is conducive to reduce equipment investment
6, integrated MBR sewage water treatment methods of the invention are easy to operate, and cost input is less, and floor space is smaller, can
Realization automatically controls, the few feature of equipment, the sewage disposal especially suitable for lack of space area.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Marginal data：
1, processing pond；2, water inlet pipe；3, mud return line；4, water distributor；5, aerator；6, wind turbine；7, support bracket；
8, ultrafiltration membrane mechanism；9, flow tube is cooled back；10, cooling water pump；11, heat exchanger；12, cooling cycle pipeline；13, cooling body；
14, coolant circulation pump；15, intake pump；16, line detection device；17, feed water flow gauge；18, it is mixed into water ga(u)ge；19, it is discharged
Flowmeter；20, outlet pipe；21, water outlet pump.
Specific implementation mode
To facilitate the understanding of the present invention, the present invention is made below in conjunction with Figure of description and preferred embodiment more complete
Face meticulously describes, but the protection scope of the present invention is not limited to the following specific embodiments.
As shown in Figure 1, a kind of integration MBR sewage-treatment plants, including processing pond 1, water inlet pipe 2 and mud return line 3,
Water distributor 4 is equipped in processing pond 1, the opening of water distributor 4 is equipped with aerator 5, aeration towards 1 bottom of processing pond, 4 top of water distributor
By piping connection to external wind turbine 6, the processing pond 1 of 5 top of aerator is interior to be equipped with below liquid level at 1.5-3m device 5
Support bracket 7, support bracket 7 are built-in with ultrafiltration membrane mechanism 8, are additionally provided in processing pond 1 and cool back flow tube 9, cool back in flow tube 9
Equipped with cooling water pump 10, cools back flow tube 9 and water distributor 4 is connect with heat exchanger 11, heat exchanger 11 passes through cooling cycle pipeline
12 are connected with cooling body 13, and cooling cycle pipeline 12 is equipped with coolant circulation pump 14, and water inlet pipe 2 is connected to mud return line 3,
One end of mud return line 3 is connect with water distributor 4, and the other end is connect with heat exchanger 11, and water inlet pipe 2 is equipped with intake pump 15；It is super
It is additionally provided with the outlet pipe 20 with water flow meter 19 in the processing pond 1 of 8 top of filter membrane mechanism, water outlet is additionally provided on outlet pipe 20
Pump 21.
In the present embodiment, water distributor 4 is apart from bottom of pond 0.3m.
In the present embodiment, online detection instrument 16 is additionally provided in processing pond 1, online detection instrument 16 is detected including MLSS
Instrument, DO detectors, pH detectors and/or tank gage.
In the present embodiment, liquid level face 3m that 5 distance of aerator is positioned above.
In the present embodiment, cools back flow tube 9 and the tie point of processing pond 1 is arranged below at liquid level 2.0m.
In the present embodiment, water inlet pipe 2 is equipped with feed water flow gauge 17, and mud return line 3 is equipped with and is mixed into water ga(u)ge
18。
In the present embodiment, wind turbine 6, cooling water pump 10, intake pump 15 and coolant circulation pump 14 be both provided on the spot control with
On-line Control double control system.
In the present embodiment, the outlet of intake pump 15, the outlet of cooling water pump 10 and the outlet of coolant circulation pump 14 are equipped with check-valves.
In the present embodiment, wind turbine 6 is conversion architecture.
A kind of integration MBR sewage water treatment methods, include the following steps：
1) water inlet pipe 2 is converged with mud return line 3 and is then connect with the water distributor 4 positioned at 1 bottom of pond of processing pond, water distributor
4 is opening down, by intake pressure, turns flow to the bottom of processing pond 1 through rebound, up-flow is upward, real by flow itself
Now to the stirring of mud mixture in processing pond 1；
2) air is passed through to the aerator 5 above water distributor 4 by wind turbine 6, it is good to make to occur top in processing pond 1
The alternation response of oxygen, lower anaerobic；
3) sewage after the reaction of 1 internal upper part of processing pond is handled after the filtering of ultrafiltration membrane mechanism 8 by outlet pipe outflow
Pond 1 enters next step treatment process, the sewage at the middle part of processing pond 1 by cool back flow tube 9 from flow into after cooling water pump 10 again into
Enter in heat exchanger 11, recirculated water is returned through mud return line 3 again after the cooling of cooling body 13 and carries out recycling in water distributor 4 instead
It answers.
Claims (10)
1. a kind of integration MBR sewage-treatment plants, including processing pond (1), water inlet pipe (2) and mud return line (3), feature
It is：Water distributor (4) is equipped in the processing pond (1), water distributor (4) is open towards processing pond (1) bottom, the water distributor
(4) top is equipped with aerator (5), and the aerator (5) passes through piping connection to external wind turbine (6), the aeration dress
Set in processing pond (1) above (5) that equipped with support bracket (7), the support bracket (7) is built-in at the places 1.5-3m below liquid level
Ultrafiltration membrane mechanism (8) is additionally provided on the processing pond (1) and cools back flow tube (9), cools back flow tube (9) and is equipped with cooling water pump
(10), described to cool back flow tube (9) and water distributor (4) is connect with heat exchanger (11), the heat exchanger (11) is followed by cooling
Endless tube road (12) is connected with cooling body (13), and the cooling cycle pipeline (12) is equipped with coolant circulation pump (14), it is described into
Water pipe (2) is connected to mud return line (3), and one end of the mud return line (3) is connect with water distributor (4), the other end with change
Hot device (11) connection, the water inlet pipe (2) are equipped with intake pump (15)；In processing pond (1) above the ultrafiltration membrane mechanism (8)
It is additionally provided with outlet pipe (20).
2. integration MBR sewage-treatment plants according to claim 1, it is characterised in that：The water distributor (4) is apart from pond
Bottom 0.1-0.5m.
3. integration MBR sewage-treatment plants according to claim 1, it is characterised in that：It is also set in the processing pond (1)
Have an online detection instrument (16), the online detection instrument (16) include MLSS detectors, DO detectors, pH detectors and/or
Tank gage.
4. integration MBR sewage-treatment plants according to claim 1, it is characterised in that：Aerator (5) distance
The liquid level face 3-8m being positioned above.
5. integration MBR sewage-treatment plants according to claim 1, it is characterised in that：It is described cool back flow tube (9) with
The tie point of processing pond (1) is arranged below at liquid level 0.5-2.5m.
6. integration MBR sewage-treatment plants according to any one of claims 1-5, it is characterised in that：The water inlet
It manages (2) and is equipped with feed water flow gauge (17), the mud return line (3) is equipped with and is mixed into water ga(u)ge (18), the water outlet
It manages (20) and is equipped with water flow meter (19), water outlet pump (21) is additionally provided on outlet pipe (20).
7. integration MBR sewage-treatment plants according to any one of claims 1-5, it is characterised in that：The wind turbine
(6), cooling water pump (10), intake pump (15) and coolant circulation pump (14) are both provided with control on the spot and On-line Control double control system
System.
8. integration MBR sewage-treatment plants according to any one of claims 1-5, it is characterised in that：The water inlet
Pump (15) outlet, cooling water pump (10) outlet and coolant circulation pump (14) outlet are equipped with check-valves.
9. integration MBR sewage-treatment plants according to any one of claims 1-5, it is characterised in that：The wind turbine
(6) it is conversion architecture.
10. a kind of processing method using the integrated MBR sewage-treatment plants described in any one of claim 1-9, special
Sign is, includes the following steps：
1) water inlet pipe (2) is converged with mud return line (3) and is then connect with the water distributor (4) positioned at processing pond (1) bottom of pond, cloth
Water pipe (4) is opening down, by intake pressure, turns flow to the bottom of processing pond (1) through rebound, up-flow is upward, passes through water
Flow the stirring itself realized to mud mixture in processing pond (1)；
2) air is passed through to the aerator (5) above water distributor (4) by wind turbine (6), made in processing pond (1) in appearance
Portion is aerobic, lower anaerobic alternation response；
3) sewage after the reaction of processing pond (1) internal upper part is handled after the filtering of ultrafiltration membrane mechanism (8) by outlet pipe outflow
Pond (1) enters next step treatment process, and the sewage in the middle part of processing pond (1) is by cooling back flow tube (9) from inflow cooling water pump
(10) it is entered back into after in heat exchanger (11), recirculated water is returned into cloth through mud return line (3) again after cooling body (13) is cooling
Circular response is carried out in water pipe (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810917528.3A CN108726818A (en) | 2018-08-13 | 2018-08-13 | A kind of integration MBR sewage-treatment plants and its processing method |
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| CN201810917528.3A CN108726818A (en) | 2018-08-13 | 2018-08-13 | A kind of integration MBR sewage-treatment plants and its processing method |
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ID=63942753
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