CN208678834U - A kind of resistant to pollution wound membrane element - Google Patents
A kind of resistant to pollution wound membrane element Download PDFInfo
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- CN208678834U CN208678834U CN201820789136.9U CN201820789136U CN208678834U CN 208678834 U CN208678834 U CN 208678834U CN 201820789136 U CN201820789136 U CN 201820789136U CN 208678834 U CN208678834 U CN 208678834U
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- water flow
- guiding screen
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Abstract
The utility model discloses a kind of resistant to pollution wound membrane elements, including center water producing pipe, and at least one set of Separation membrane group being wrapped on the water producing pipe of center;Separation membrane group includes producing water flow-guiding screen, Separation membrane, raw water flow-guiding screen;It is the raw water runner being made of raw water flow-guiding screen between the inner surface of two Separation membranes, the outer surface of two Separation membranes is the production water flow passage being made of production water flow-guiding screen;Magnetic Nano material coating is carried out to the production water flow-guiding screen and raw water flow-guiding screen, and carries out the magnetization treatment of externally-applied magnetic field to the membrane component after rolling, makes it have magnetism.CaCO can be changed in the wound membrane element of the utility model3、SiO2Etc. the molecule crystal form of common dirt component, prevents related component in raw water from depositing in film surface, enhance membrane component stain resistance;Meanwhile the membrane component through magnetization treatment can change the polarity of organic molecule in raw water, be conducive to the flushing of film surface condensed organic, reduce organic pollution.
Description
Technical field
The utility model relates to purifier more particularly to a kind of filters of purifier, relate in particular to one kind
A kind of resistant to pollution wound membrane element of filter.
Background technique
Along with the high speed development of the industrialization of the country, water pollution becomes the big problem that country is urgently to be resolved at present.People couple
The pursuit of healthy living forms sharp contradiction with worsening Drinking Water.To solve Industrial Wastewater Treatment and the people day
The problem of common water, various water treatment technologies are come into being, and wherein membrane separation technique is because have brilliant separating property, and
Safety, it is environmental-friendly, it is easy to operate the advantages that and become water process one of key technology.
Wound membrane element is existing market using one of extensive film application form, and with loading, density is big, installs operation
Effective membrane area is larger in easy, compact-sized, unit volume, manufacture craft is relatively easy.Currently, common wound membrane element
It is for seperation film common in fluid separation field, including reverse osmosis membrane, nanofiltration membrane, ultrafiltration membrane, microfiltration membranes etc., Ta Menli
The stalling characteristic having with Separation membrane itself removes certain in fluid or many kinds of substance, reaches the mesh such as purification, concentration, purification
's.
Existing wound membrane element is that plate membrane rolls, including Separation membrane, raw water flow-guiding screen, produce water flow-guiding screen,
Center water producing pipe, adhesive etc..Wound membrane element is different from traditional filtering stream direction to water flowing, and water supply is from membrane component end
Portion introduces, and water supply is flowed along the parallel direction of film surface, is perpendicular to film surface by isolated product water, through in film entrance
Heart water producing pipe, in this way, forming a vertical, lateral cross one another flow direction.The Separation membrane of traditional wound membrane element is flat
Plate shape, so intake tunnel and production aquaporin by raw water flow-guiding screen and produce the offer of water flow-guiding screen respectively, entire membrane component
It is poor to accommodate performance, raw water during by entire membrane component, accumulate in membrane component by pollutant, leads to the stifled of membrane component
Plug shortens the service life of film, increases use cost.
Utility model content
For overcome the problems, such as the deficiencies in the prior art and, the utility model provides a kind of resistant to pollution rolling membrane element
Part, the membrane component in Separation membrane group production water flow-guiding screen and raw water flow-guiding screen carry out magnetic Nano material coating, and it is right
The membrane component after rolling carries out the magnetization treatment of externally-applied magnetic field, improves the stain resistance of membrane component, increases making for membrane component
Use the service life.
To achieve the above object, the utility model is the following technical schemes are provided: a kind of resistant to pollution wound membrane element, special
Sign is: including center water producing pipe, and at least one set of Separation membrane group being wrapped on the center water producing pipe;The separation
Diaphragm group includes producing water flow-guiding screen, Separation membrane, raw water flow-guiding screen;To the production water flow-guiding screen and raw water in the Separation membrane group
Flow-guiding screen carries out magnetic Nano material coating;And the magnetization treatment of externally-applied magnetic field is carried out to the membrane component after rolling.
It is the raw water runner being made of the raw water flow-guiding screen between the inner surface of two Separation membranes, described two
The outer surface for opening Separation membrane is the production water flow passage being made of the production water flow-guiding screen;The center water producing pipe is equipped with axial
Inner hole, the tube wall of the center water producing pipe are equipped with the limbers of multiple connection inner holes;The inner hole of the center water producing pipe
Closed at one end, the other end is equipped with water outlet;
The production water flow-guiding screen is connected to the limbers on the center water producing pipe, production water flow-guiding screen side abutting center
Water producing pipe, the production water flow passage do not apply the spreader-sticker close to center water producing pipe side, and excess-three side is closed with spreader-sticker
Closing, the lateral surface of the Separation membrane group are wound with sealant tape, and the outside of the sealant tape is equipped with sealing ring.
As further limiting for the utility model, the magnetic Nano material coating for producing water flow-guiding screen includes but unlimited
In one of iron oxides magnetic Nano material, iron class magnetic Nano material, cobalt class magnetic Nano material.
As further limiting for the utility model, the magnetic Nano material coating of the raw water flow-guiding screen includes but unlimited
In one of iron oxides magnetic Nano material, iron class magnetic Nano material, cobalt class magnetic Nano material.
As further limiting for the utility model, the Separation membrane is reverse osmosis membrane or nanofiltration membrane or ultrafiltration
Film.
Compared with prior art, the utility model beneficial effect is:
A kind of resistant to pollution wound membrane element described in the utility model produces water flow-guiding screen and is arranged to produce water with the center
Pipe contact, to the production water flow-guiding screen and raw water flow-guiding screen progress magnetic Nano material coating in Separation membrane group, the seperation film
Piece group is sealed after it will roll again after winding center water producing pipe with sealant tape, by the membrane component for rolling completion be put into magnetic field into
Row magnetization treatment, so that the membrane component has certain magnetism.The membrane component can change CaCO in raw water3、CaSO4·
2H2O、SiO2、BaSO4、 SrSO4、Ca3(PO4)2, iron aluminium the common dirt component such as hydroxide molecule crystal form, prevent
Only it is deposited in film surface, while the polarity of each organic molecular species in raw water also can be changed, conducive to membrane component surface organic matter
It rinses, reduces pollution of the organic matter to membrane component, enhance membrane component stain resistance, extend membrane component service life.
Detailed description of the invention
The utility model technology is described in detail with reference to the accompanying drawings and detailed description:
Fig. 1 is the structure explanation of the utility model;
Fig. 2 is that Figure 1A magnified partial view shows;
Fig. 3 is that the appearance of the utility model illustrates;
Fig. 4 is that the structure expansion of the embodiments of the present invention 1 and pure water flow to schematic diagram;
Fig. 5 is that the structure expansion of the embodiments of the present invention 1 and raw water flow to schematic diagram;
Fig. 6 is the magnetization schematic diagram of the embodiments of the present invention 1;
Wherein: 1. be Separation membrane;2. being raw water flow-guiding screen;3. to produce water flow-guiding screen;4. being center water producing pipe;5. water flowing
Hole;6. spreader-sticker;7. sealant tape;8.Y type sealing collar;9. water purification outlet;10. producing water flow passage;11. permanent magnet;12. membrane element
Part.
Specific embodiment
Embodiment 1
In order to facilitate the understanding of those skilled in the art, come below in conjunction with the drawings and specific embodiments to the utility model
Technical solution is further to be limited, but claimed range is not only limited to made description.
The polyvinyl alcohol (PVA) for measuring 1kg alcoholysis degree 98%, is added in the ultrapure water of 50kg, it is molten to heat 100 DEG C of stirrings
Xie Hou, is added 50g ferroferric oxide magnetic nanoparticle, and stirring and dissolving is cooled to room temperature.First by raw water flow-guiding screen, production water
Flow-guiding screen impregnates 1h in above-mentioned prepared PVA aqueous solution;Then by the raw water flow-guiding screen impregnated and production water water conservancy diversion
Net is put into 80 DEG C of constant temperature of baking oven and dries 1h;The raw water flow-guiding screen and production water flow-guiding screen are finally immersed in glutaraldehyde quality
100 DEG C are heated to after the aqueous solution 30s that score is 3%, sulfuric acid mass fraction is 0.5%, continues 3 minutes, obtains magnetic Nano
The production water flow-guiding screen and raw water flow-guiding screen of material coating.
As shown in Figures 1 to 4, a kind of resistant to pollution wound membrane element, including center water producing pipe 4, and it is wrapped in center production
At least one set of Separation membrane group on water pipe 4;The Separation membrane group includes Separation membrane 1, raw water flow-guiding screen 2, produces water water conservancy diversion
Net 3;The Separation membrane 1 by length is 1m, the self-control diaphragm that width is 0.27m is divided doubling equally and formed;Two points after doubling
It is the raw water runner being made of raw water flow-guiding screen 2 between inner surface from diaphragm 1, the outer surface of two Separation membranes 1 is
The production water flow passage 10 being made of production water flow-guiding screen 3;The center water producing pipe 4 is equipped with axial bore, on the tube wall of center water producing pipe 4
Limbers 5 equipped with multiple connection inner holes;The inner hole of the center water producing pipe 4 is closed at one end, and the other end is equipped with water outlet.
The production water flow-guiding screen 3 is connected to the limbers 5 on the center water producing pipe 4, and 3 side of production water flow-guiding screen is close to
Center water producing pipe 4, the production water flow passage 10 do not apply the spreader-sticker 6 close to the side of the center water producing pipe 4, and excess-three side is equal
It is bonded and is closed with spreader-sticker 6.
In this way, two groups of Separation membrane groups are wound on the center water producing pipe 4, then sealed with sealant tape 7, and close
The outside of sealed adhesive tape 8 is equipped with Y type sealing collar 8, and the Separation membrane 1 is reverse osmosis membrane or nanofiltration membrane or ultrafiltration membrane.
As shown in fig. 6, the membrane component after rolling is placed on progress magnetization treatment 1min on a block permanent magnet 11.The membrane element
Raw water flow-guiding screen 2 with a thickness of 0.5mm, length 51cm, width 0.28m in part;Produce water flow-guiding screen 3 with a thickness of
0.29mm, length 51cm, width 0.28m;Separation membrane 1 is self-control diaphragm.
Membrane component described in the present embodiment is with certain magnetic, thus it is possible to vary the CaCO in raw water3、CaSO4·2H2O、
SiO2、 BaSO4、SrSO4、Ca3(PO4)2, iron aluminium the common dirt component such as hydroxide molecule crystal form, prevent its
Membrane component surface deposition, while the polarity of each organic molecular species in raw water also can be changed, conducive to rushing for membrane component surface organic matter
It washes, reduces pollution of the organic matter to membrane component, enhance membrane component stain resistance, extend membrane component service life.
Reference examples
Reference examples method is same as Example 1, the difference is that: raw water flow-guiding screen 2 and production water flow-guiding screen 3 are without magnetism
Nano coating processing.
Technical effect experiment: use Nanjing municipal tap water directly to test as raw water, test pressure be 0.41MPa, 20%
The rate of recovery, standard water flux is water flux when being corrected to normal temperature (25 DEG C) through temperature coefficient.The rolling of the present embodiment
The experimental result of membrane component is as follows:
In from the above, it can be clearly seen that, a kind of resistant to pollution wound membrane element of the utility model has good
Stain resistance.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, is not limited to practical
Novel, within the spirit and principle of the utility model, any modifications, equivalent replacements, and improvements done should be included in
Within the protection scope of the utility model.
Claims (4)
1. a kind of resistant to pollution wound membrane element, it is characterised in that: including center water producing pipe, and be wrapped in the center and produce water
At least one set of Separation membrane group on pipe;The Separation membrane group includes producing water flow-guiding screen, Separation membrane, raw water flow-guiding screen;It is right
Production water flow-guiding screen and raw water flow-guiding screen in the Separation membrane group carry out magnetic Nano material coating;And to described in after rolling
The magnetization treatment of membrane component progress externally-applied magnetic field;
It is the raw water runner being made of the raw water flow-guiding screen, two seperation films between the inner surface of two Separation membranes
The outer surface of piece is the production water flow passage being made of the production water flow-guiding screen;The center water producing pipe is equipped with axial inner hole, institute
The tube wall for stating center water producing pipe is equipped with the limbers of multiple connection inner holes;One end seal of inner hole of the center water producing pipe
It closes, the other end is equipped with water outlet;
The production water flow-guiding screen is connected to the limbers on the center water producing pipe, and production water flow-guiding screen side abutting center produces water
Pipe, the production water flow passage do not apply spreader-sticker close to center water producing pipe side, and excess-three side is closed with spreader-sticker and closed, described
The lateral surface of Separation membrane group is wound with sealant tape, and the outside of the sealant tape is equipped with sealing ring.
2. a kind of resistant to pollution wound membrane element according to claim 1, it is characterised in that: the magnetic for producing water flow-guiding screen
Property nano-material coating includes but is not limited to iron oxides magnetic Nano material, iron class magnetic Nano material, cobalt class magnetic Nano
One of material.
3. a kind of resistant to pollution wound membrane element according to claim 1, it is characterised in that: the magnetic of the raw water flow-guiding screen
Property nano-material coating includes but is not limited to iron oxides magnetic Nano material, iron class magnetic Nano material, cobalt class magnetic Nano
One of material.
4. a kind of resistant to pollution wound membrane element according to claim 1, it is characterised in that: the Separation membrane is reverse osmosis
Permeable membrane or nanofiltration membrane or ultrafiltration membrane.
Priority Applications (1)
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CN201820789136.9U CN208678834U (en) | 2018-05-16 | 2018-05-16 | A kind of resistant to pollution wound membrane element |
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CN201820789136.9U CN208678834U (en) | 2018-05-16 | 2018-05-16 | A kind of resistant to pollution wound membrane element |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108421417A (en) * | 2018-05-16 | 2018-08-21 | 南京帝膜净水材料开发有限公司 | A kind of resistant to pollution wound membrane element |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108421417A (en) * | 2018-05-16 | 2018-08-21 | 南京帝膜净水材料开发有限公司 | A kind of resistant to pollution wound membrane element |
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