CN207786357U - A kind of MBR membrane stacks on-line cleaning system - Google Patents
A kind of MBR membrane stacks on-line cleaning system Download PDFInfo
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- CN207786357U CN207786357U CN201721768316.0U CN201721768316U CN207786357U CN 207786357 U CN207786357 U CN 207786357U CN 201721768316 U CN201721768316 U CN 201721768316U CN 207786357 U CN207786357 U CN 207786357U
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- medicament
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a kind of MBR membrane stacks on-line cleaning system and cleaning methods, belong to membrane filter technical field, system includes a raw water box, a film filter, a header tank, a chemical cleaning water tank, an active compound case, a water producing pipe road, a chemical cleaning pipeline, a medicament pumpback pipeline and a medicament transfer pipeline；Cleaning method include prepare medicament, be added medicament, immersion, first pumpback medicament, air purge diaphragm, secondary pumpback medicament, supplement medicine, cleaning terminate and etc., have the advantages that cleaning performance it is good, cleaning at low cost and cleaning operation it is simple.
Description
Technical field
The utility model is related to membrane filter technical fields, in particular to a kind of MBR membrane stacks on-line cleaning system.
Background technology
Our company has applied for that publication No. is the Chinese invention patent of 102276054 A of CN, disclosure in December, 2011
A kind of immersed plate type membrane bioreactor component, in membrane biological process processing waste plant, running in a manner of submergence
After a period of time, it is attached with pollutant inside the surface of film and membrane pores, hinders the infiltration of water, increase filtration resistance and is set
Standby operation energy consumption, needs the pollutant to the component film surface to clean at this time.
Existing cleaning method is such, is included the following steps：
One, above mobile driving to membrane stack；
Two, production water and aeration valve are closed；
Three, water producing pipe and tracheae loose joint are dismantled；
Four, driving hook is hung into membrane stack frame；
Five, it proposes membrane stack with driving, moves to and rinse place；
Six, membrane stack sealing plate is dismantled；
Seven, film surface sludge is washed away with clear water；
Eight, membrane stack is moved into medicine wash pool with driving, impregnated；
Nine, it impregnates and terminates, then membrane stack is moved to driving and rinses place；
Ten, film surface medicament is washed away with clear water again；
11, membrane stack sealing plate is loaded onto
12, membrane stack is moved into membrane cisterna with driving, enters position；
13, tracheae and water pipe loose joint are connected；
14, tracheae and aqueduct valve are opened, extracts air in film out, into the normal production water stage.
We term it off-line cleaning methods for such cleaning method, are first rinsed the pollutant of entire film surface, then right
Pollutant in fenestra is impregnated and is cleaned, and during being somebody's turn to do, a large amount of medicament is flogging a dead horse, and will appear film surface and seem
Totally but the phenomenon that the fenestra blocked not yet cleans up；
And when offline cleaning, a whole pond is needed to wash film medicament, it is that the muddiness of liquid and pollutant is mixed entirely in pond after cleaning several times
Liquid is closed, when constantly addition new drug, new drug reacted with the dregs in stoste before this, then was reacted with film surface, washed
To last, medicament function and effect will have a greatly reduced quality, if every time all changing whole pond medicament into new, it will cause waste, medicaments
Cost is excessively high；
When offline cleaning, a membrane stack at least 2 people operation, the engineering of a up to ten thousand tons of waters, two man days day cleans in turn
Situation difficult to deal with is there is also, human cost is higher, and more demanding to the technical merit of operating personnel.
Utility model content
In order to solve the above-mentioned technical problem, MBR membrane stacks on-line cleaning system described in the utility model has cleaning performance
Well, advantage at low cost and simple cleaning operation is cleaned.
To achieve the above object, a kind of MBR membrane stacks on-line cleaning system designed by the utility model includes：
One raw water box includes raw water inlet and fan interface for placing pending raw water；
One film filter, for handling and purifying raw water, the lower end of the film filter and the fan interface phase
Even, aerator is formed, the aerator is provided with aeration valve on the connecting line of the fan interface；
One header tank, for the raw water after collection and purification；
One chemical cleaning water tank, for collecting and discharging chemical cleaning medicament；
One active compound case is provided with active compound valve for storing and supplementing chemical cleaning medicament at agent outlet；
One water producing pipe road, connects the water purification outlet of the film filter and the header tank, and the water producing pipe road is set
It is equipped with production water pump and production water valve；
The medicament of one chemical cleaning pipeline, the water purification outlet and the chemical cleaning water tank that connect the film filter goes out
Mouthful, it is provided with purge valve；
One medicament pumpback pipeline connects the agent outlet of the water purification outlet and the active compound case of the film filter,
On be provided with pumpback valve；
One medicament transfer pipeline connects the agent outlet of the active compound case and the chemical cleaning water tank, is provided with
Loading pumps.
As a preferred embodiment of the above technical solution, the upper surface of the film filter in the raw water box liquid level away from
From for 0.3 ~ 0.5m.
As a preferred embodiment of the above technical solution, distance of the liquid level in the raw water box apart from the chemical cleaning water tank is
0.5~1m。
A kind of MBR membrane stacks on-line cleaning method, includes the following steps：
State to be cleaned when original state is filtering produces water valve, production water pump and aeration valve and is in open state, clearly at this time
Valve, pumpback valve and active compound valve is washed to be closed；
1. preparing medicament：Corresponding chemical cleaning medicine is prepared in chemical cleaning water tank according to fouling membrane property and membrane area
Agent；
2. medicament is added：Aeration valve, production water valve are closed, purge valve is opened, makes the chemical cleaning medicine in chemical cleaning water tank
Agent automatically flows into the diaphragm of film filter；
3. impregnating：It impregnates 2 ~ 3 hours；
4. first pumpback medicament：Purge valve is closed, pumpback valve and loading pump are opened, by 40% ~ 60% liquid pumpback to institute
State chemical cleaning water tank；
5. air purge diaphragm：Pumpback valve and loading pump are closed, opens aeration valve 20 ~ 30 minutes, passes through the bubbling -cleaning of aeration
Film surface；
6. secondary pumpback medicament：Pumpback valve and loading pump are opened, by 35% ~ 55%（Account for about the 95% of total amount）Liquid pumpback
To the chemical cleaning water tank；
7. supplementing medicament：Pumpback valve is closed, active compound valve is opened, supplements chemical cleaning medicament in the active compound case to described
In chemical cleaning water tank, until supplying the 100% of former chemical cleaning medicament amount, it is used for the cleaning of next membrane module, if drug concentration
It does not lose, then ignores this step；
8. cleaning terminates：Active compound valve and loading pump are closed, production water valve is opened, starts normal production water.
As a preferred embodiment of the above technical solution, when membrane contaminant is organic matter, 1. the middle medicament prepared is alkaline medicine to step
Agent.
As a preferred embodiment of the above technical solution, the basic agent is the liquor natrii hypochloritis of mass concentration 1 ~ 2%.
As a preferred embodiment of the above technical solution, when membrane contaminant is inorganic matter, 1. the middle medicament prepared is acid medicine to step
Agent.
As a preferred embodiment of the above technical solution, the acid medicine is the citric acid or oxalic acid solution of mass concentration 1 ~ 5%.
For incrustation it is serious also can with 1 ~ 5% hydrochloric acid dope, effect is more preferable.
In general, organic pollution alkali cleaning；Inorganic matter pollution pickling when seriously polluted, also needs to carry out first pickling
Alkali cleaning again.
When cleaning, since medicament is that nature flows down, do not apply pressure additionally, therefore medicament penetrates into original through film
Amount in liquid pool is very little, can be ignored substantially, simultaneously as in cleaning, medicament is full of inside diaphragm, by diaphragm
Support it is swollen, also can be to inhibiting medicament exudation diaphragm play sealing function then be bonded to each other due to expansion between adjacent diaphragm.
The utility model compared with prior art, has the following advantages and advantageous effect：
1. in MBR membrane stacks on-line cleaning system described herein and cleaning method, the decontamination of medicament by interior and
It is outer to aoxidize the fenestra not being discharged, under the action of internal pressure, fenestra is first washed, then wash film surface, medicament is not present in all films
Wasting phenomenon, once film surface pollution object is washed off, all fenestras certainly washed it is logical, and sometimes film surface do not clean also it is dry
Only, but fenestra also all washed it is logical, oxidation cleaning performance it is more faster and better than cleaning offline；
2. liquid is almost entirely in film, after film is washed, with being pumped back to, it is still almost clean stoste, can be used as next
The cleaning of membrane stack, as long as in the case where PH is constant, Reusability, without addition, dosing is exactly simply with offline cleaning
It is as far apart as heaven and earth；
3. in big engineering, as long as one man operation, as long as because of Open valve and motor switch, operation is more
Simple and convenient.
Description of the drawings
Fig. 1 is on-line cleaning system structural schematic diagram.
In figure：Raw water box a, raw water inlet a-1, fan interface a-2, aeration valve a-3, film filter b, header tank c, change
Learn cleaning water tank d, active compound case e, active compound valve e-1, water producing pipe road f, production water pump f-1, production water valve f-2, chemical cleaning pipeline g, clear
Wash valve g-1, medicament pumpback pipeline h, pumpback valve h-1, medicament transfer pipeline i, loading pump i-1.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments：
Embodiment 1：With reference to figure 1, a kind of MBR membrane stacks on-line cleaning system includes：
One raw water box a includes raw water inlet a-1 and fan interface a-2 for placing pending raw water；
One film filter b, for handling and purifying raw water, lower end and the fan interface of the film filter b
A-2 is connected, formation aerator, and aeration valve a- is provided on the connecting line of the aerator and the fan interface a-2
The distance of the upper surface of 3, film filter b liquid level in the raw water box a is 0.5m；
One header tank c, for the raw water after collection and purification；
One chemical cleaning water tank d, for collecting and discharging chemical cleaning medicament, chemical cleaning water tank d is in raw water box a
The distance of liquid level is 1m；
One active compound case e is provided with active compound valve e-1 for storing and supplementing chemical cleaning medicament at agent outlet；
One water producing pipe road f connects the water purification outlet of the film filter b and the header tank c, the water producing pipe road f
On be provided with production water pump f-1 and production water valve f-2；
One chemical cleaning pipeline g connects the medicine of the water purification outlet and the chemical cleaning water tank d of the film filter b
Agent exports, and is provided with purge valve g-1；
One medicament pumpback pipeline h connects the agent outlet of the water purification outlet and the active compound case e of the film filter b,
It is provided with pumpback valve h-1；
One medicament transfer pipeline i connects the agent outlet of the active compound case e and the chemical cleaning water tank d, is arranged thereon
There is loading to pump i-1.
Embodiment 2：With reference to figure 1, a kind of MBR membrane stacks on-line cleaning system, difference from example 1 is that：Film mistake
The distance for filtering upper surface liquid level in the raw water box a of device b is 0.3m, chemical cleaning water tank d liquid in raw water box a
The distance in face is 0.5m.
3 ~ embodiment of embodiment 6：With reference to figure 1, a kind of MBR membrane stacks on-line cleaning method waits for when original state is filtering
Cleaning state, produces water valve f-2, production water pump f-1 at this time and aeration valve a-3 is in open state, purge valve g-1, pumpback valve h-1 and
Active compound valve e-1 is closed, and cleaning step is：
1. preparing medicament：According to fouling membrane property and membrane area corresponding chemical cleaning is prepared in chemical cleaning water tank d
Medicament；
2. medicament is added：Aeration valve a-3, production water valve f-2 are closed, purge valve g-1 is opened, makes in chemical cleaning water tank d
Chemical cleaning medicament automatically flows into the diaphragm of film filter b；
3. impregnating：It is soaked for a period of time；
4. first pumpback medicament：Purge valve g-1 is closed, pumpback valve h-1 is opened and loading pumps i-1, by part liquid pumpback
To the chemical cleaning water tank d；
5. air purge diaphragm：Aeration valve a-3 is opened, the bubbling -cleaning film surface of aeration is passed through；
6. secondary pumpback medicament：Aeration valve a-3 is closed, pumpback valve h-1 is opened and loading pumps i-1, by part liquid pumpback
To the chemical cleaning water tank d；
7. supplementing medicament：Pumpback valve h-1 is closed, active compound valve e-1 is opened, supplements the chemical cleaning medicine in the active compound case e
In agent to the chemical cleaning water tank d, until supplying the 100% of former chemical cleaning medicament amount, it is used for the cleaning of next membrane module,
If medicament does not lose, ignore this step；
8. cleaning terminates：It closes active compound valve e-1 and loading pumps i-1, open production water valve f-2, production water pump f-1 and aeration valve a-
3, start normal production water.
Embodiment 7：With reference to figure 1, a kind of MBR membrane stacks on-line cleaning method, with the implementation steps of 3 ~ embodiment of embodiment 6
The difference is that：Use first acid medicine with step 1. ~ 8. step cleans once, then replace basic agent again and repeat to walk
Suddenly 1. ~ 8. step cleans once again, this method be suitable for pollution it is more serious when the case where.
Cleaning parameters in cleaning step described in 13 ~ embodiment of embodiment 7 of table
Claims (3)
1. a kind of MBR membrane stacks on-line cleaning system, which is characterized in that include：
One raw water box（a）, include raw water inlet for placing pending raw water（a-1）And fan interface（a-2）；
One film filter（b）, for handling and purifying raw water, the film filter（b）Lower end and the fan interface
（a-2）It is connected, forms aerator, the aerator and the fan interface（a-2）Connecting line on be provided with aeration
Valve（a-3）；
One header tank（c）, for the raw water after collection and purification；
One chemical cleaning water tank（d）, for collecting and discharging chemical cleaning medicament；
One active compound case（e）, for storing and supplementing chemical cleaning medicament, active compound valve is provided at agent outlet（e-1）；
One water producing pipe road（f）, connect the film filter（b）Water purification outlet and the header tank（c）, the water producing pipe road
（f）On be provided with production water pump（f-1）With production water valve（f-2）；
One chemical cleaning pipeline（g）, connect the film filter（b）Water purification outlet and the chemical cleaning water tank（d）'s
Agent outlet is provided with purge valve（g-1）；
One medicament pumpback pipeline（h）, connect the film filter（b）Water purification outlet and the active compound case（e）Medicament go out
Mouthful, it is provided with pumpback valve（h-1）；
One medicament transfer pipeline（i）, connect the active compound case（e）Agent outlet and the chemical cleaning water tank（d）, set thereon
It is equipped with loading pump（i-1）.
2. a kind of MBR membrane stacks on-line cleaning system according to claim 1, it is characterised in that：The film filter（b）
Upper surface apart from the raw water box（a）The distance of interior liquid level is 0.3 ~ 0.5m.
3. a kind of MBR membrane stacks on-line cleaning system according to claim 1, it is characterised in that：The raw water box（a）Interior
Liquid level is apart from the chemical cleaning water tank（d）Distance be 0.5 ~ 1m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768316.0U CN207786357U (en) | 2017-12-18 | 2017-12-18 | A kind of MBR membrane stacks on-line cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721768316.0U CN207786357U (en) | 2017-12-18 | 2017-12-18 | A kind of MBR membrane stacks on-line cleaning system |
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| CN207786357U true CN207786357U (en) | 2018-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899427A (en) * | 2017-12-18 | 2018-04-13 | 湖州鼎泰净水科技有限公司 | A kind of MBR membrane stacks on-line cleaning system and cleaning method |
| CN110465202A (en) * | 2019-09-10 | 2019-11-19 | 江苏依埃姆膜科技有限公司 | A kind of device and its working method for capableing of complete chemical cleaning plate film assembly |
-
2017
- 2017-12-18 CN CN201721768316.0U patent/CN207786357U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107899427A (en) * | 2017-12-18 | 2018-04-13 | 湖州鼎泰净水科技有限公司 | A kind of MBR membrane stacks on-line cleaning system and cleaning method |
| CN107899427B (en) * | 2017-12-18 | 2024-03-01 | 湖州鼎泰软片膜科技有限公司 | MBR membrane stack online cleaning system and cleaning method |
| CN110465202A (en) * | 2019-09-10 | 2019-11-19 | 江苏依埃姆膜科技有限公司 | A kind of device and its working method for capableing of complete chemical cleaning plate film assembly |
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Address after: 313000, eight Li Dian Town, Wuxing District, Huzhou, Zhejiang, four building, 4 Building 388, Jiagang road. Patentee after: Huzhou Ding Tai film Film Technology Co., Ltd. Address before: 313000, eight Li Dian Town, Wuxing District, Huzhou, Zhejiang, four building, 4 Building 388, Jiagang road. Patentee before: Huzhou Dingtai Water-purifying Co., Ltd. |