CN207237725U - A kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane - Google Patents
A kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane Download PDFInfo
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- CN207237725U CN207237725U CN201721038925.0U CN201721038925U CN207237725U CN 207237725 U CN207237725 U CN 207237725U CN 201721038925 U CN201721038925 U CN 201721038925U CN 207237725 U CN207237725 U CN 207237725U
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Abstract
The utility model discloses a kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane, the equipment includes circulating the cleaning water tank of connection, flushing water pump, membrane module area, manganese sand filter successively by pipeline, the top of cleaning water tank is provided with medicament feeding port, flushing water pump on the inlet channel in membrane module area with being provided with cleaning inlet valve, the production water end (W.E.) in membrane module area is connected by the water inlet of water production pipeline and manganese sand filter, the concentrated water end in membrane module area is connected by concentrated water pipeline and the water inlet of manganese sand filter, and water production pipeline on concentrated water pipeline with being both provided with backwater valve.The cleaning equipment of the utility model will be by that will clean water tank, flushing water pump, membrane module area, manganese sand filter circulation connection, circulation immersion and backwash recoil process are carried out to membrane module using liquid, iron pollution can effectively be removed, and floor space is small removable, energy consumption is low, it is economical and practical, securely and reliably.
Description
Technical field
The utility model belong to fouling membrane cleaning technical field, and in particular to a kind of iron pollution micro-filtration/ultrafiltration membrane it is clear
Wash equipment.
Background technology
Membrane separation technique refers to the mixture of different-grain diameter molecule on a molecular scale when passing through pellicle, realizes selection
The separated technology of property.Membrane separation technique has been widely used in water treatment field, including drinking water, sewage disposal, Treated sewage reusing,
Sea water desalination and ultra-pure water preparation etc..But as industrialization development, industrial wastewater and sanitary sewage are discharged such as water body, city
City's sewage and underground water are polluted by materials such as the organic matter of broad categories, heavy metals, so as to aggravate fouling membrane, make UF membrane
The booming of technology is subject to huge restriction and challenge, therefore how to the progress of contaminated film, rationally effective cleaning has
Very important meaning.
Iron is a kind of common metal ion, is largely existed in water, and using molysite as main component inorganic matter to it is micro-/
The pollution of ultrafiltration membrane, cleaning are very difficult.In recent years, since surface water, underground water are constantly contaminated, the quality of iron is dense in water
Degree also has the trend of rising, in water treatment technology, exacerbates the risk that micro-filtration/ultrafiltration technology is subject to iron pollution.Meanwhile with
" coagulation+micro-filtration/ultrafiltration " technical research is goed deep into, and either in new construction, or old engineering carries mark transformation is all substantial amounts of
The technology of " coagulation+micro-filtration/ultrafiltration " is employed, and to human body, there are potential eutrophication, iron system coagulation since aluminium remains in water
Agent is used widely.Numerous studies show that adding for coagulant is conducive to decelerating membrane pollution, extends the cleaning frequency, but part
Research finds that coagulation condition has significant impact for irreversible membrane pollution, for this irreversible pollution, Conventional cleaning method
It can not remove, cause a hidden trouble to production, operation cost can be improved.In addition, built water factory and pipe network are with the operation time limit
Increase, the risk aggravation being corroded, " the red water " produced in such as tap water transportational process.Once inside pipe network pipeline and water factory
Element (including equipment, pipeline, tank body etc.) is corroded, and can will contain iron contaminants and introduce water body, cause in micro-filtration/ultrafiltration system
Micro-filtration/ultrafiltration membrane irreversible membrane fouling.
Conventional to be cleaned using citric acid after micro-filtration/ultrafiltration membrane polluted by iron, the cleaning frequency increases, cleaning performance compared with
Difference so that operating cost increase, reliability of water supply reduce.Therefore, develop a kind of iron pollution micro-filtration/ultrafiltration membrane cleaning equipment and
Method is very necessary.
Utility model content
To solve the problems of the prior art, the purpose of this utility model is to provide a kind of iron pollution micro-filtration/ultrafiltration membrane
Cleaning equipment.
To reach above-mentioned purpose, the utility model provides a kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane, the equipment
Including circulating the cleaning water tank of connection, flushing water pump, membrane module area, manganese sand filter successively by pipeline, the top of water tank is cleaned
End is provided with medicament feeding port, and flushing water pump on the inlet channel in membrane module area with being provided with cleaning inlet valve, membrane module area
Production water end (W.E.) by the water inlet of water production pipeline and manganese sand filter connect, the concentrated water end in membrane module area passes through concentrated water pipeline and manganese
The water inlet connection of sand filter, water production pipeline on concentrated water pipeline with being both provided with backwater valve；Flushing water pump and membrane module area
Produce and be provided with backwash inlet valve in the connecting pipe of water end (W.E.), membrane module area is also associated with drainage pipeline, is set on drainage pipeline
There is water discharging valve.
Further, clean one side of water tank bottom and be connected with the inlet channel that makes up a prescription, be provided with and make up a prescription on the inlet channel that makes up a prescription
Inlet valve；Cleaning water tank opposite side is connected with multiple sampling pipes of high low setting, and sampling is provided with each sampling pipe
Valve.
Wherein, clean in water tank and be provided with multiple upper spacers and lower clapboard alternatively up and down.
Further, clean in the connecting pipe of water tank and flushing water pump and be provided with pipeline heater.
Further, which further includes movable car, and cleaning water tank, flushing water pump, membrane module area, manganese sand filter are equal
It is fixed on movable car.
Further, which further includes PLC controller, PLC controller respectively with flushing water pump, cleaning inlet valve,
Backwater valve, backwash inlet valve, water discharging valve connection.
The beneficial effects of the utility model are：The cleaning equipment of the utility model will be by that will clean water tank, flushing water pump, film
Component area, manganese sand filter circulation connection, circulation immersion and backwash recoil process are carried out using liquid to membrane module, can be effective
Ground removes iron pollution, and floor space is small removable, and energy consumption is low, economical and practical, securely and reliably.
Brief description of the drawings
Fig. 1 is the structure diagram of the cleaning equipment of the utility model iron pollution micro-filtration/ultrafiltration membrane；
In figure：
1st, water tank is cleaned；101st, medicament feeding port；2nd, flushing water pump；3rd, membrane module area；4th, manganese sand filter；5th, water inlet pipe
Road；6th, inlet valve is cleaned；7th, water production pipeline；8th, concentrated water pipeline；9th, backwater valve；10th, connecting pipe；11st, backwash inlet valve
Door；12nd, drainage pipeline；13rd, water discharging valve；14th, make up a prescription inlet channel；15th, make up a prescription inlet valve；16th, sampling pipe；17th, take
Sample valve；18th, upper spacer；19th, lower clapboard；20th, pipeline heater；21st, blow valve.
Embodiment
The utility model is done below by Figure of description and is further described in detail.
As shown in Figure 1, the cleaning equipment of the iron pollution micro-filtration/ultrafiltration membrane of the utility model includes following successively by pipeline
The cleaning water tank 1 of ring connection, flushing water pump 2, membrane module area 3, manganese sand filter 4, the top of cleaning water tank 1 are provided with medicament throwing
Material mouth 101, flushing water pump 2 is with being provided with cleaning inlet valve 6, the production water in membrane module area 3 on the inlet channel 5 in membrane module area 3
End is connected by water production pipeline 7 with the water inlet of manganese sand filter 4, and the concentrated water end in membrane module area 3 passes through concentrated water pipeline 8 and manganese sand
The water inlet connection of filter 4, water production pipeline 7 on concentrated water pipeline 8 with being both provided with backwater valve 9；Flushing water pump 2 and membrane module
Area 3 produces and is provided with backwash inlet valve 11 in the connecting pipe 10 of water end (W.E.), and membrane module area 3 is also associated with drainage pipeline 12, draining
Water discharging valve 13 is provided with pipeline 12.
The cleaning equipment of the utility model is by setting corresponding pipeline and valve to clean water tank 1, flushing water pump 2, film
Component area 3, manganese sand filter 4 circulate connection successively, can realize effective cleaning of the membrane module to being used in ultrafiltration system.This
In be connected into manganese sand filter 4, the water inlet of manganese sand filter 4 is connected with membrane module area 3, water outlet with cleaning water tank 1 be connected, manganese
Sand filter 4 can not only filter the liquid after cleaning, can also further remove iron contaminants.Manganese sand filter 4
In filter core filtrate liquid can be filtered, the ferrous iron of dissolved state or bivalent manganese can also be distinguished oxygen by manganese sand filtering material
The compound of undissolved ferric iron or tetravalent manganese is melted into, so that iron contaminants be removed.The cleaning equipment of the utility model is not
It can only realize that circulation path (is just washed) in cleaning, backwash recoil can also be carried out, iron pollution micro-filtration/ultrafiltration membrane can be directed to and carried out clearly
Wash, effectively remove iron contaminants, recover membrane flux.
Scheme as an optimization, in present embodiment, 1 side bottom of cleaning water tank is connected with the inlet channel 14 that makes up a prescription,
Make up a prescription and be provided with the inlet valve 15 that makes up a prescription on inlet channel 14；Cleaning 1 opposite side of water tank is connected with multiple samplings of high low setting
Pipeline 16, is provided with sample cock 17 on each sampling pipe 16.
Water tank 1 is cleaned when water is produced in operation, may act as using into water regulating reservoir, adding of agent adjustment water inlet water can be carried out
Matter, so as to obtain different pollution types, Pollution Study is carried out according to operating parameter.Water tank 1 is cleaned when equipment is cleaned,
It may act as cleaning medicine-chest to use, according to the difference of pollution type, adjust medicament kind and added amount of chemical, carry out cleaning method and grind
Study carefully.By setting multiple sampling pipes 16, can the Stratified Sampling in water tank 1 is cleaned, to cleaning liquid in pollutant carry out successively
Analysis.
Scheme as an optimization, in present embodiment, clean in water tank 1 be provided with alternatively up and down multiple upper spacers 18 with
Lower clapboard 19, multiple upper spacers 18 will clean in water tank 1 with lower clapboard 19 and are separated into shuttle snakelike water passage.With
During medicine, upper spacer 18 can carry out hydraulic mixing with lower clapboard 19, without extra increase mixing plant, but carry out waterpower and stir certainly
Mix, saved the energy.
Scheme as an optimization, in present embodiment, cleaning water tank 1 in the connecting pipe of flushing water pump 2 with being provided with
Pipeline heater 20.Pipeline heater 20 can to cleaning water tank 1 in liquid heat, by flushing water pump 2 make liquid into
Enter to membrane module area 3 so that the cleaning performance of membrane module is more preferably.
Scheme as an optimization, in present embodiment, which further includes movable car, cleaning water tank 1, flushing water pump
2nd, membrane module area 3, manganese sand filter 4 are each attached on movable car.The cleaning equipment concentration of the utility model is fixed on removable
On motor-car, floor space is small and removable.
Scheme as an optimization, in present embodiment, which further includes PLC controller, PLC controller respectively with clearly
Wash water pump 2, cleaning inlet valve 6, backwater valve 9, backwash inlet valve 11, water discharging valve 13 connect.Clean installation in water tank 1
There are the measuring instrumentss such as pH meter.The water inlet end in membrane module area, production water end (W.E.), concentrated water end pipeline on be mounted on pressure gauge, it is right respectively
The intake pressure of membrane module, production water pressure, concentrated water pressure are detected.On the water inlet end in membrane module area and the pipeline of production water end (W.E.) also
Transmissometer can be installed.The measuring instrumentss such as pH meter, pressure gauge, transmissometer are connected with PLC controller, realize that detection data are adopted certainly
Collection, and record storage.PLC controller can control flushing water pump 2, cleaning inlet valve 6, backwater valve 9, backwash to intake with automatic control
The unlatching of valve 11, water discharging valve 13, realizes automation.PLC controller can also be connected with display, easy to remotely understand
The wash course of the cleaning equipment, has been truly realized remote management, improves efficiency.
The utility model additionally provides a kind of method using cleaning equipment cleaning iron pollution micro-filtration/ultrafiltration membrane, should
Method comprises the following steps：
(1) membrane module to be cleaned is placed on membrane module area 3, is respectively connected the water inlet end of membrane module with inlet channel 5, production
Water end (W.E.) is connected with water production pipeline 7, and concentrated water end is connected with concentrated water pipeline 8.
Wherein, membrane module bottom is fixed on inlet channel 5 into water tray by clip, membrane module production water end (W.E.) passes through
Plastic flexible pipe is connected with water production pipeline 7, and membrane module concentrated water end is connected by plastic flexible pipe with concentrated water pipeline 8.Plastic flexible pipe is reserved
Certain length, can adjust connecting portion, so as to fulfill the installation of the membrane module of different model.Liquid material enters membrane module, due to portion
Packet point more easily by film, into membrane module liquid material by being divided into two strands after membrane module, the liquid material by film part is
Penetrating fluid, the liquid material that envelope is retained i.e. trapped fluid, penetrating fluid enter water production pipeline 7 by producing water end (W.E.), and trapped fluid passes through concentrated water
End enters concentrated water pipeline 8.
After membrane module connection, the blow valve 21 in water discharging valve 6 and cleaning water tank 1 and manganese sand filter 3 is opened, is made whole
A equipment emptying.
(2) medicament is put into from medicament administration mouth 101, opens the inlet valve 14 that makes up a prescription and make up a prescription, medicament is made with water by waterpower
With being thoroughly mixed.
The actual conditions of iron pollution include following three kinds：Predominantly iron pollution, iron pollution are with organic pollution, iron pollution
With other metal ion inorganic pollutions.Composite reagent is carried out according to actual pollution condition.The membrane module of predominantly iron pollution makes
Cleaned with 2% oxalic acid and 2% hydrochloric acid；Iron pollution with organic pollution membrane module using 4% sodium hydroxide, 5000ppm times
Sodium chlorate, 2% oxalic acid and the cleaning of 2% hydrochloric acid；Iron pollution uses 2% oxalic acid, 2% with the membrane module of other metal ion pollutions
Hydrochloric acid and 2%EDTA cleanings.
Cleaning inlet valve 6, water production pipeline 7 and the backwater valve 9 on concentrated water pipeline 8 are opened, closes backwash inlet valve
11st, water discharging valve 13, open flushing water pump 2 and carry out circulation 0.8-1.2h, liquid to be cleaned can be opened after returning to cleaning water tank 1
Pipeline heater 20；Flushing water pump 2 is closed, soaks membrane module 1.8-2.5h, flushing water pump 2 is then turned on and recycles 0.8-
1.2h。
(3) after circulating, backwash inlet valve 11 and water discharging valve 13 are opened, closes cleaning inlet valve 6, water producing pipe
Backwater valve 9 on road and 7 concentrated water pipelines 8, opens flushing water pump 2 and carries out backwash, when cleaning medicine-chest herb liquid is finished, opens
Make up a prescription inlet valve 15, recoils to membrane component.
Experimental example
1st, certain regeneration water factory's ultrafiltration is run using current constant mode, flux set 43L/m2* h, initial pressure 0.1MPa,
EFM (enhancing flux maintains) cleaning, 3~5 days EFM cleaning frequencies, chemical cleaning week are carried out when operating pressure reaches 0.16MPa
2~3 months phases.Sodium hypochlorite storage tank undercoating is corroded, tank body iron dissolution, and carries out ultrafiltration system with liquid chemical feeding, causes
Ultrafiltration system polluted by iron, the pollution of membrane module is mainly iron pollution.It is conventional bad using the cleaning performance of citric acid, membranous system
The pressure 0.12MPa after high-voltage operation, cleaning, the EFM cleaning frequency foreshorten to 12h, chemical cleaning cycle time to two weeks.
Cleaned using the cleaning method of the utility model, flow set 43L/m2* h, pressure after cleaning
0.09MPa, one week pressure of stable operation rise without obvious.
2nd, certain regeneration water factory front end sewage plant carries out proposing mark transformation, adds coagulation process, after coagulation without precipitation directly into
Enter filter cloth system, and after through ultraviolet disinfection enter regeneration water factory, in the debugging stage since control is unstable, a large amount of ferric flocculants with
Debugging production water carries out ultrafiltration system, and debugging stage producing water water quality is unstable, and content of organics is higher, causes ultrafiltration system organic
Thing and iron pollution.The pollution of membrane module is iron pollution with organic contamination.
Ultrafiltration is run using current constant mode before debugging, flux set 47.8L/m2* h, initial pressure 0.1MPa, works as fortune
Row pressure carries out EFM cleanings, 3~5 days EFM cleaning frequencies, 2~3 months chemical cleaning cycles when reaching 0.15MPa.Debugging is led
Ultrafiltration system is caused to be contaminated, water quality normally carries out conventional cleaning using citric acid afterwards, and flux is unable to reach 47.8L/m2* h is run,
Flux is adjusted downward to 43.5L/m2* h, and pressure 0.11-0.13MPa, the EFM cleaning frequency foreshortens to 12h, chemical cleaning week after cleaning
Phase foreshortens to two weeks.
Cleaned using the cleaning method of the utility model, flow set is 47.8L/m after cleaning2* h, is pressed after cleaning
Power 0.09-0.1MPa stable operations, the EFM cleaning frequencies were at 4-7 days.
3rd, the ultrafiltration system of Beijing Yizhuang Development District recycled water is after operation 8 years, and ultrafiltration system polluted by iron is with other
Metal ion inorganic pollution.The pollution of membrane module is iron pollution with other metal ion inorganic pollutions.Using this practicality
New cleaning method is cleaned, and after cleaning, iron and other metal ions are completely removed.The permeability rate conservation rate of film is
99%, the stretching strength retentivity after film wire cleaning is 87%, extensibility conservation rate is 67%, does not influence the normal of ultrafiltration system
Operation.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the present invention, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane, it is characterised in that the equipment is included by the pipeline successively company of circulation
Logical cleaning water tank (1), flushing water pump (2), membrane module area (3), manganese sand filter (4), the top for cleaning water tank is provided with medicine
Agent feeding port (101), flushing water pump is with being provided with cleaning inlet valve (6), membrane module area on the inlet channel (5) in membrane module area
Production water end (W.E.) be connected by water production pipeline (7) with the water inlet of manganese sand filter, the concentrated water end in membrane module area passes through concentrated water pipeline
(8) it is connected with the water inlet of manganese sand filter, water production pipeline on concentrated water pipeline with being both provided with backwater valve (9)；Flushing water pump
With being provided with backwash inlet valve (11) in the connecting pipe (10) of membrane module area production water end (W.E.), membrane module area is also associated with drainpipe
Road (12), is provided with water discharging valve (13) on drainage pipeline.
2. the cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane according to claim 1, it is characterised in that cleaning one side of water tank
Bottom is connected with the inlet channel that makes up a prescription (14), and the inlet valve that makes up a prescription (15) is provided with the inlet channel that makes up a prescription；It is another to clean water tank
Side is connected with multiple sampling pipes (16) of high low setting, and sample cock (17) is provided with each sampling pipe.
3. the cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane according to claim 2, it is characterised in that in cleaning water tank
Under be arranged alternately multiple upper spacers (18) and lower clapboard (19).
4. the cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane according to claim 1, it is characterised in that cleaning water tank with it is clear
Pipeline heater (20) is provided with the connecting pipe of wash water pump.
5. the cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane according to claim 1, it is characterised in that the equipment further includes
Movable car, cleaning water tank, flushing water pump, membrane module area, manganese sand filter are each attached on movable car.
6. according to the cleaning equipment of claim 1-5 any one of them iron pollution micro-filtration/ultrafiltration membrane, it is characterised in that this sets
It is standby to further include PLC controller, PLC controller respectively with flushing water pump, cleaning inlet valve, backwater valve, backwash inlet valve,
Water discharging valve connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038925.0U CN207237725U (en) | 2017-08-18 | 2017-08-18 | A kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721038925.0U CN207237725U (en) | 2017-08-18 | 2017-08-18 | A kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane |
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| Publication Number | Publication Date |
|---|---|
| CN207237725U true CN207237725U (en) | 2018-04-17 |
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ID=61881874
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721038925.0U Active CN207237725U (en) | 2017-08-18 | 2017-08-18 | A kind of cleaning equipment of iron pollution micro-filtration/ultrafiltration membrane |
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| CN (1) | CN207237725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261852A (en) * | 2017-08-18 | 2017-10-20 | 北京博大水务有限公司 | A kind of cleaning equipment and cleaning method of iron pollution micro-filtration/milipore filter |
-
2017
- 2017-08-18 CN CN201721038925.0U patent/CN207237725U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261852A (en) * | 2017-08-18 | 2017-10-20 | 北京博大水务有限公司 | A kind of cleaning equipment and cleaning method of iron pollution micro-filtration/milipore filter |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100176 No. 5 Xihuan South Road, Daxing Economic and Technological Development Zone, Beijing Patentee after: Beijing Yizhuang Water Co., Ltd. Address before: 100176 No. 5 Xihuan South Road, Daxing Economic and Technological Development Zone, Beijing Patentee before: Beijing Boda Water Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 100176 building 18-2, No. 2, Jingyuan North Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing (Yizhuang group, high-end industrial area of Beijing Pilot Free Trade Zone) Patentee after: Beijing Yizhuang Environmental Technology Group Co.,Ltd. Address before: 100176 No. 5 Xihuan South Road, Daxing Economic and Technological Development Zone, Beijing Patentee before: Beijing Yizhuang Water Co.,Ltd. |