CN207973565U - Soft sheet type MBR film advanced waste treatment systems - Google Patents
Soft sheet type MBR film advanced waste treatment systems Download PDFInfo
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- CN207973565U CN207973565U CN201820181010.3U CN201820181010U CN207973565U CN 207973565 U CN207973565 U CN 207973565U CN 201820181010 U CN201820181010 U CN 201820181010U CN 207973565 U CN207973565 U CN 207973565U
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- mbr film
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Abstract
The utility model discloses a kind of soft sheet type MBR film advanced waste treatment systems；Including water inlet line, biological processing unit, MBR film tablet film separation units and the outfall sewer road being sequentially connected；Biological processing unit includes lacking (detesting) oxygen pond, aerobic tank and segment reflux unit, and MBR film tablet film separation units include the MBR membrane cisternas, air admission unit and backwash unit of built-in MBR film tablet membrane stacks；Described to lack the water outlet of (detesting) oxygen pond after aerobic tank from MBR membrane cisternas are flowed into, backwash unit is connected with outfall sewer road；Segment reflux unit includes the oxygen-enriched mixed-liquor return pipeline of height being connected with aerobic tank and the nitrification liquid, the sludge return pipe that are connected with scarce (detesting) oxygen pond, and high oxygen-enriched mixed-liquor return pipeline and nitrification liquid, sludge return pipe are connected through reflux pump with MBR membrane cisternas.The system of the utility model solves the problems such as high processing cost existing for traditional MBR membranous systems, hardly possible online washing, easily block.
Description
Technical field
The utility model is related to a kind of waste water treatment system more particularly to a kind of soft sheet type MBR film Sewage advanced treatments systems
System.
Background technology
With the continuous improvement that China requires quality of water environment, no matter for industrial wastewater or sanitary sewage place
Reason, discharge standard are all increasingly stringenter, and there is an urgent need to the supports of corresponding advanced treatment system, currently, membrane bioreactor
(MBR) technique is used widely in fields such as sanitary sewage, highly difficult organic wastewaters.
MBR system is a kind of new and effective sewage disposal system being combined membrane separation technique with traditional biological treatment technology
System, he using membrane separation technique by biological reaction pool activated sludge and larger molecular organics matter be retained down, instead of biography
The secondary settling tank of system so that hydraulic detention time (HRT) shortens, and sludge retention time (SRT) extends, and greatly improves activated sludge
Concentration constantly reacts substance difficult to degrade in biochemical treatment unit, degrades, and strengthens the efficiency of biochemical reaction, tool significantly
Have the removal rate of pollutant is high, denitrification effect is good, capacity of resisting impact load is strong, effluent quality is good, take up an area save, surplus sludge volume
Less, system easily realize automatically control, convenient operation and management the advantages that, be one of most advanced sewage disposal technology in the world, and
One of sewerage disposing reuse that China gives special assistance to and New Technique of Save on Water in Steam Electric.
Currently, the MBR films applied in the market, there are mainly two types of, one is hollow-fibre membrane, another kind is flat film,
It respectively has advantage and disadvantage, hollow-fibre membrane advantage：Loading density is big, aeration quantity is small etc., disadvantage：Permeant flux is small, membrane module both ends
Deposition, flux decline big, short life, online washing relatively difficult to achieve and medicine is easy to wash；Flat film advantage：Permeant flux is big,
Long lifespan etc., disadvantage loading density is small, aeration quantity is big, online washing relatively difficult to achieve and medicine are washed.
Utility model content
The purpose of the utility model is to provide a kind of technology maturation, reliable, good operation stabilities；Treatment effeciency is high, imitates
Fruit is good；Novel soft sheet type MBR film advanced waste treatment systems with good investment, operating cost is low, solve traditional MBR membranous systems
Existing processing cost height, difficult online washing, easy the problems such as blocking.
The purpose of this utility model is achieved by following technical proposals：
The utility model is related to a kind of soft sheet type MBR film advanced waste treatment systems, and the system comprises what is be sequentially connected
Water inlet line, biological processing unit, MBR film tablet film separation units and outfall sewer road；The biological processing unit includes
It includes built-in MBR films tablet to lack (detesting) oxygen pond, aerobic tank and segment reflux unit, the MBR films tablet film separation unit
The MBR membrane cisternas of membrane stack, the air admission unit being connected with MBR film tablet membrane stack aeration tubes are connected with MBR film tablet membrane stack water pipes
Backwash unit；Scarce (detesting) the oxygen pond water outlet flows into MBR membrane cisternas, the backwash water of the backwash unit certainly after aerobic tank
The overflow water outlet of case is connected with outfall sewer road；The segment reflux unit includes the oxygen-enriched mixed liquor of height being connected with aerobic tank
Reflux line and with lack (detesting) oxygen the pond nitrification liquid, the sludge return pipe that are connected, the oxygen-enriched mixed-liquor return pipeline of the height and nitre
Change liquid, sludge return pipe is connected through reflux pump with MBR membrane cisternas.
Preferably, the MBR films tablet membrane stack is to be superimposed assembling by the MBR film plate membranes of several small short runners of square piece
It forms.
Preferably, the vertical range that the backwash water tank bottom is higher by the MBR membrane cisterna waters surface is 1~1.2m.
Preferably, the surface of the MBR films tablet membrane stack is 0.3~0.5m away from the height of the MBR membrane cisterna waters surface.
Preferably, the backwash unit further include be successively set on MBR films tablet membrane stack water pipe and backwash water tank into
The vacuum meter on water inlet line, self priming pump, the second valve between the mouth of a river and flowmeter, and be arranged in MBR film plate membranes
The solenoid valve on backwash waterpipe between heap water pipe and backwash water tank backwash water outlet；When the self priming pump is with solenoid valve difference
It opens.Self priming pump is opened 7~9 minutes, is stopped 1~3 minute, and solenoid valve is opened when self priming pump stops, and the water gravity of backwash water tank returns
It is poured into MBR film tablet membrane stacks, completes backwash.
Preferably, the backwash unit further includes that chemical recovery channel and the chemistry being connected with backwash water tank are clear
Lotion dispensing port, the chemical recovery channel are equipped with third valve, and the water outlet of the self priming pump is respectively with second
Valve, third valve are connected；It is opened when second valve is with third valve difference.
Preferably, when the vacuum gauge pressure is lost to 0.06~0.1Mpa, solenoid valve and chemical dispensing port are beaten
It opens.At this point, self priming pump closes (stopping 1~3 minute), the water gravity recharge that chemical is added in backwash water tank is soft to MBR
In piece tablet membrane stack, completes chemical and rinse.Chemical rinse after the completion of, that is, after stopping 1~3 minute, solenoid valve and
Chemical dispensing port close, self priming pump open, the second valve close, third valve opening, recycling medicament convenient for next time after
It is continuous to use.The preferred embodiment is suitable for small water project.
Preferably, the air admission unit includes air blower, the connection air blower and MBR film tablet membrane stack aeration tubes
Air inlet pipe.The air inlet pipe is equipped with the first valve.
Preferably, described lack is equipped with agitating device in (detesting) oxygen pond；The aerobic tank bottom is equipped with aeration tube, the aeration
Pipe is equipped with several micro-hole aerators, and the aeration tube is connected with air blower.
Preferably, the system also includes the chemical rinsing units being connected with MBR film tablet membrane stack water pipes.It should
Preferred embodiment is suitable for big yield project.
To sum up, the soft sheet type MBR film advanced waste treatment systems of the utility model, mainly by biological processing unit and MBR
Film tablet film separation unit two parts form.Biological processing unit mostly uses modified form A2The systems such as/O, it is biochemical according to improving
Property improve the flexible settings of requirements such as B/C ratios, degradation of organic substances, denitrogenation dephosphorizing, segment reflux is arranged in this biological processing unit, especially
The O sections of oxygen-enriched mixed liquors of height for receiving follow-up MBR films tablet film unit reflux, complement lysis oxygen save energy consumption.MBR films are flat
Plate film separation unit, because of the film plate membrane of the short runner of small square piece of its unique texture function so that its loading density is big, takes up an area
Small, drag losses are small, and transmembrane pressure is low, and permeant flux is big, washed with medicine convenient for online gravity recharge washing easy to implement, effectively slow
The blockage problem for solving film, can be not provided with the offline chemical drugs cleaning device of film, and film carrys out backswing during aeration washes away film surface
The dynamic attachment that can effectively reduce pollution, resistance to high sludge concentration, anti impulsion load, and the aeration quantity needed is also few, saves energy consumption.
Compared with prior art, the utility model has the advantages that：
1, permeant flux is big, effluent quality is good, impact resistance ability is strong；
2, floor space is small, and larger advantage is all had proposing mark transformation etc.；
3, gravity recharge washing can be carried out, the blocking of film is effectively delayed, extends the service life of film；
4, gravity chemical drugs can be carried out to wash, it is not necessary to the offline service sink of film be separately provided；
5, segment reflux is arranged in the biological processing unit of this system, and especially O sections receives follow-up MBR films tablet film unit and return
The oxygen-enriched mixed liquor of height of stream, rationally utilizes dissolved oxygen, saves energy consumption.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is the structural schematic diagram of the soft sheet type MBR film advanced waste treatment systems of the utility model；
Wherein, 1 is elevator pump, and 2 be agitating device, and 3 be air blower, and 4 be micro-hole aerator, and 5 be MBR film plate membranes
Heap, 6 be the first valve, and 7 be reflux pump, and 8 be vacuum meter, and 9 be self priming pump, and 10 be flowmeter, and 11 be solenoid valve, and 12 be backwash water
Case, 13 be the second valve, and 14 be third valve, and 15 is lack (detesting) oxygen pond, and 16 be aerobic tank, and 17 be MBR membrane cisternas, and 18 is clear for chemistry
Lotion recovery channel, 19 be outfall sewer road.
Specific implementation mode
The utility model is described in detail with reference to specific embodiment.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but the invention is not limited in any way.It should be pointed out that this field
For those of ordinary skill, without departing from the concept of the premise utility, various modifications and improvements can be made.These
Belong to the scope of protection of the utility model.
Embodiment
The present embodiment is related to a kind of soft sheet type MBR film advanced waste treatment systems, as shown in Figure 1, the system comprises according to
Secondary connected water inlet line, biological processing unit, MBR film tablet film separation units and outfall sewer road；
The water inlet line is equipped with elevator pump 1, and the boosted pump 1 of waste water lacks (detesting) oxygen pond into biological processing unit
15。
The biological processing unit includes lacking (detesting) oxygen pond 15, aerobic tank 16 and segment reflux unit, described to lack (detesting) oxygen
The water outlet gravity flow of pond 15 enters aerobic tank 16, and the water outlet of the aerobic tank 16 flows into the MBR membrane cisternas of MBR film tablet film separation units certainly
17；It lacks and is equipped with agitating device 2 in (detesting) oxygen pond 15；16 bottom of aerobic tank is equipped with aeration tube, and the aeration tube is equipped with several micro-
Hole aerator 4, the aeration tube are connected with air blower 3.
The MBR films tablet film separation unit includes the MBR membrane cisternas 17, soft with MBR of built-in MBR film tablets membrane stack 5
It 5 aeration tube of piece tablet membrane stack connected air admission unit, the backwash unit that is connected with 5 water pipe of MBR film tablets membrane stack；It is described to lack
From MBR membrane cisternas 17 are flowed into after aerobic tank 16, the overflow of the backwash water tank 12 of the backwash unit goes out the water outlet of (detesting) oxygen pond 15
The mouth of a river is connected with outfall sewer road 19；The segment reflux unit includes the oxygen-enriched mixed-liquor return pipe of height being connected with aerobic tank 16
Road and with the nitrification liquid, the sludge return pipe that lack (detesting) oxygen pond 15 and be connected, the oxygen-enriched mixed-liquor return pipeline of the height and nitrification liquid,
Sludge return pipe is connected through reflux pump 7 with MBR membrane cisternas 17.
The air admission unit includes the air inlet of air blower 3, the connection air blower 3 and 5 aeration tube of MBR film tablets membrane stack
Pipe；The air inlet pipe is equipped with the first valve 6.
The backwash unit further includes being successively set on 5 water pipe of MBR film tablets membrane stack and 12 water inlet of backwash water tank
Between water inlet line on vacuum meter 8, self priming pump 9, the second valve 13 and flowmeter 10, and be arranged in MBR film tablets
The solenoid valve 11 on backwash waterpipe between 12 backwash water outlet of 5 water pipe of membrane stack and backwash water tank；The self priming pump 9 and electromagnetism
Valve 11 is opened when different.Self priming pump 9 is opened 7~9 minutes, is stopped 1~3 minute, and solenoid valve 11 is opened when self priming pump 9 stops, backwash
In the water gravity recharge of water tank 12 to MBR film tablets membrane stack 5, backwash is completed.
As a preferred embodiment of the present embodiment, 12 bottom of backwash water tank be higher by 5 water surface of MBR membrane cisternas it is vertical away from
From for 1~1.2m.Height of the surface away from 17 water surface of MBR membrane cisternas of the MBR films tablet membrane stack 5 is 0.3~0.5m.It is such
Setting can effective guarantee carry out gravity recharge washing, effectively delay the blocking of film, extend the service life of film.
As a preferred embodiment of the present embodiment, for small water project, the backwash unit further includes chemical clear
Lotion recovery channel 18 and the chemical dispensing port being connected with backwash water tank 12, on the chemical recovery channel 18
Equipped with third valve 14, the water outlet of the self priming pump 9 is connected with the second valve 13, third valve 14 respectively；Second valve
Door 13 is opened when different from third valve 14.When 8 pressure loss of vacuum meter to 0.06Mpa and it is following when, solenoid valve 11 and chemistry
Cleaning agent dispensing port is opened.At this point, self priming pump 9 closes (stopping 1~3 minute), chemical is added in backwash water tank 12
In water gravity recharge to MBR film tablets membrane stack 5, completes chemical and rinse.After the completion of chemical rinses, that is, stop 1
After~3 minutes, solenoid valve 11 and chemical dispensing port are closed, and self priming pump 9 is opened, and the second valve 13 is closed, third valve
14 open, and recycling medicament is continuing with convenient for next time.
As another preferred embodiment of the present embodiment, the MBR films tablet membrane stack is by several small short runners of square piece
MBR film plate membranes superposition assemble.The film tablet of the short runner of small square piece of the unique texture function of superposition assembling
Film so that its loading density is big, takes up little area, and drag losses are small, and transmembrane pressure is low, and permeant flux is big, convenient for easy to implement online
Gravity recharge washing is washed with medicine, and the blockage problem of film is effectively relieved, and can be not provided with the offline chemical drugs cleaning device of film, and film is exposing
Gas, which washes away swinging back and forth during film surface, can effectively reduce the attachment of pollution, resistance to high sludge concentration, anti impulsion load, and need
Aeration quantity it is also few, save energy consumption.
The corresponding technological process of soft sheet type MBR film advanced waste treatment systems of the utility model is：Elevator pump is raw water
The ponds A (lacking (detesting) oxygen pond) are lifted into, the ponds A are stirred scarce (detesting) oxygen by agitating device and react, and water outlet gravity flow enters the ponds O
(aerobic tank) carries out aerobic reaction, and air blast micro-pore aeration is arranged, and water outlet gravity flow enters MBR membrane cisternas, built-in MBR films plate membrane
Heap, is arranged reflux pump, segment reflux to the ponds A and the ponds O in pond, and reflux A mainly flows back in pond nitrification liquid and sludge etc., carries out anti-nitre
The effects that changing denitrogenation and releasing phosphorus, the ponds reflux O are mainly the ponds the oxygen-enriched mixed liquor supplement O dissolved oxygen that flows back, and then save energy consumption.MBR
Film tablet membrane stack tracheae is connected with air blower tracheae, and water pipe is connected with self priming pump, and negative-pressure ward water enters backwash water tank, water
Case overflow Chinese effluent or reuse, vacuum meter, the pollution level of characterization of membrane are arranged before self priming pump, and water outlet setting flowmeter observes production
Solenoid valve is arranged to control online gravity recharge washing in water flux, backwash water lower box part.MBR films plate membrane runs control in detail
Process is：1. self priming pump is opened 8 minutes, stop 2 minutes, solenoid valve is opened when self priming pump stops, the water gravity recharge of backwash water tank
Into film, backwash, i.e. online washing are completed, after 2 minutes, solenoid valve is closed, while self priming pump opens operation water outlet, into
Row next cycle recycles；2. Liquid level is arranged in membrane cisterna, the low height that stops is opened；3. vacuum gauge pressure is lost to 0.06Mpa, show
Film dirt is stifled serious, needs to carry out chemical cleaning；4. in-site chemical cleaning agent cleaning is not because frequency of use is high, Gu little Shui
Chemical drugs are not separately provided and wash system for quantifier mesh, just use backwashing system, have matched medicament and passed through backwash water tank gravity recharge to film
In piece, after immersion medicine is washed, it is then turned on self priming pump recycling medicament and is continuing with convenient for next time, big yield project can be provided separately within
Line chemical drugs wash system.
By the sewage of certain inn of water treatment system application processing of the present embodiment, result of implementation：The sewage of the family inn
Design influent quality is shown in Table 1, and sewage reaches after treatment《Urban wastewater treatment firm pollutant emission standard》Level-one A standards,
Specific targets such as table 2.
1 waste water of table designs influent quality table
2 practical effluent quality of table and discharge standard table
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (10)
1. a kind of soft sheet type MBR film advanced waste treatment systems, which is characterized in that the system comprises the water inlet pipes being sequentially connected
Road, biological processing unit, MBR film tablet film separation units and outfall sewer road；The biological processing unit include anoxic or
Anaerobic pond, aerobic tank and segment reflux unit, the MBR films tablet film separation unit include built-in MBR films tablet membrane stack
MBR membrane cisternas, be connected with MBR film tablet membrane stack aeration tubes air admission unit, be connected with MBR film tablet membrane stack water pipes it is anti-
Rinsing unit；The anoxic or anaerobic pond water outlet flow into MBR membrane cisternas, the backwash water tank of the backwash unit certainly after aerobic tank
Overflow water outlet be connected with outfall sewer road；The segment reflux unit includes that the oxygen-enriched mixed liquor of height being connected with aerobic tank returns
Flow tube road and the nitrification liquid being connected with anoxic or anaerobic pond, sludge return pipe, the oxygen-enriched mixed-liquor return pipeline of the height and nitre
Change liquid, sludge return pipe is connected through reflux pump with MBR membrane cisternas.
2. soft sheet type MBR film advanced waste treatment systems according to claim 1, which is characterized in that the MBR films are flat
Plate membrane stack is assembled by the MBR film plate membranes superposition of several small short runners of square piece.
3. soft sheet type MBR film advanced waste treatment systems according to claim 1, which is characterized in that the backwash water tank
The vertical range that bottom is higher by the MBR membrane cisterna waters surface is 1~1.2m.
4. soft sheet type MBR film advanced waste treatment systems according to claim 1, which is characterized in that the MBR films are flat
Height of the surface of plate membrane stack away from the MBR membrane cisterna waters surface is 0.3~0.5m.
5. soft sheet type MBR film advanced waste treatment systems according to claim 1, which is characterized in that the backwash is single
Member further includes the vacuum on the water inlet line being successively set between MBR films tablet membrane stack water pipe and backwash water tank inlet
Table, self priming pump, the second valve and flowmeter, and be arranged in MBR films tablet membrane stack water pipe and backwash water tank backwash water outlet
Between backwash waterpipe on solenoid valve；It is opened when the self priming pump is with solenoid valve difference.
6. soft sheet type MBR film advanced waste treatment systems according to claim 5, which is characterized in that the backwash is single
Member further includes chemical recovery channel and the chemical dispensing port being connected with backwash water tank, and the chemical returns
Closed tube road is equipped with third valve, and the water outlet of the self priming pump is connected with the second valve, third valve respectively；Second valve
It is opened when door is with third valve difference.
7. soft sheet type MBR film advanced waste treatment systems according to claim 6, which is characterized in that the vacuum gauge pressure
When power is lost to 0.06~0.1Mpa, solenoid valve and chemical dispensing port are opened.
8. soft sheet type MBR film advanced waste treatment systems according to claim 1, which is characterized in that the air admission unit
Admission line including air blower, the connection air blower and MBR film tablet membrane stack aeration tubes.
9. soft sheet type MBR film advanced waste treatment systems according to claim 1, which is characterized in that the anoxic is detested
Agitating device is equipped in oxygen pond；The aerobic tank bottom is equipped with aeration tube, and the aeration tube is equipped with several micro-hole aerators, institute
Aeration tube is stated with air blower to be connected.
10. soft sheet type MBR film advanced waste treatment systems according to claim 1, which is characterized in that the system is also wrapped
Include the chemical rinsing unit being connected with MBR film tablet membrane stack water pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820181010.3U CN207973565U (en) | 2018-02-01 | 2018-02-01 | Soft sheet type MBR film advanced waste treatment systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820181010.3U CN207973565U (en) | 2018-02-01 | 2018-02-01 | Soft sheet type MBR film advanced waste treatment systems |
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| Publication Number | Publication Date |
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| CN207973565U true CN207973565U (en) | 2018-10-16 |
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ID=63766718
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| CN201820181010.3U Active CN207973565U (en) | 2018-02-01 | 2018-02-01 | Soft sheet type MBR film advanced waste treatment systems |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574223A (en) * | 2018-12-10 | 2019-04-05 | 智造起源科技有限公司 | A kind of MBR water treatment system and its method producing water using siphon |
| CN110078205A (en) * | 2019-06-06 | 2019-08-02 | 苏州中色德源环保科技有限公司 | A kind of membrane bioreactor pilot plant test device |
| CN110372097A (en) * | 2019-08-12 | 2019-10-25 | 桂润环境科技股份有限公司 | A kind of energy-saving tower inner circulation reactor |
| CN110436632A (en) * | 2019-09-11 | 2019-11-12 | 上海丰信环保科技有限公司 | It is a kind of continuous automatic running and miniature MBR pilot plant with self-cleaning function and its technique to be used |
| CN114797482A (en) * | 2022-05-13 | 2022-07-29 | 新宇达环保科技有限公司 | Cleaning process for online automatic back-cleaning film |
-
2018
- 2018-02-01 CN CN201820181010.3U patent/CN207973565U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109574223A (en) * | 2018-12-10 | 2019-04-05 | 智造起源科技有限公司 | A kind of MBR water treatment system and its method producing water using siphon |
| CN110078205A (en) * | 2019-06-06 | 2019-08-02 | 苏州中色德源环保科技有限公司 | A kind of membrane bioreactor pilot plant test device |
| CN110372097A (en) * | 2019-08-12 | 2019-10-25 | 桂润环境科技股份有限公司 | A kind of energy-saving tower inner circulation reactor |
| CN110436632A (en) * | 2019-09-11 | 2019-11-12 | 上海丰信环保科技有限公司 | It is a kind of continuous automatic running and miniature MBR pilot plant with self-cleaning function and its technique to be used |
| CN114797482A (en) * | 2022-05-13 | 2022-07-29 | 新宇达环保科技有限公司 | Cleaning process for online automatic back-cleaning film |
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