CN108525522A - A kind of flat-membrane element support component and flat-membrane element - Google Patents
A kind of flat-membrane element support component and flat-membrane element Download PDFInfo
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- CN108525522A CN108525522A CN201810634624.7A CN201810634624A CN108525522A CN 108525522 A CN108525522 A CN 108525522A CN 201810634624 A CN201810634624 A CN 201810634624A CN 108525522 A CN108525522 A CN 108525522A
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- 239000012528 membrane Substances 0.000 title claims abstract description 174
- 238000003466 welding Methods 0.000 claims abstract description 167
- 239000007788 liquid Substances 0.000 claims abstract description 75
- 239000007787 solid Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 40
- 229920001577 copolymer Polymers 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 9
- 235000019687 Lamb Nutrition 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000004907 flux Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000001471 micro-filtration Methods 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 210000004243 sweat Anatomy 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000108 ultra-filtration Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005374 membrane filtration Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000703 high-speed centrifugation Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/087—Single membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2311/00—Details relating to membrane separation process operations and control
- B01D2311/26—Further operations combined with membrane separation processes
- B01D2311/2649—Filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/06—External membrane module supporting or fixing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of flat-membrane element support component in solid-liquid separation technique field and flat-membrane elements, aim to solve the problem that existing flat-membrane element thickness is thick, weight is big, effective filtration area is small and yielding technical problem, including support plate, the cross section of the support plate is waveform, conduction hole is equipped on each corrugated of the support plate, support plate is surrounded by welding section；The welding section is solid or hollow body, and when welding section is solid, the corresponding end of support plate is fixedly connected with welding section；When welding section is hollow body, the corresponding end of support plate is located in hollow body or is fixedly connected inside the corresponding end of support plate and hollow body.The present invention not only has the advantages that good rigidity, intensity are big, thickness is thin, weight is small, anti-tilting, also has the advantages that effective filtration area is big, circulation is high, at low cost, loading density is high.
Description
Technical field
The present invention relates to solid-liquid separation technique fields, and in particular to a kind of flat-membrane element support component and flat-membrane element.
Background technology
Mixing-reaction-separation is three big GU Generic Unit operating technology of general industry field, especially solid-liquor separation, public
Think the most common technological means of purifying products process.The Typical Representative of new and effective Technology in Solid/Liquid Separation includes micro-filtration and ultrafiltration
UF membrane is formed regardless of material, and the turbidity of filter liquor is general≤1.0NTU, far superior to gravitational settling, high speed centrifugation,
The industrial technologies such as plate compression, belt press filtration, folded spiral shell machine, show extremely wide market application prospect.
More mature micro-filtration and ultrafiltration membrane includes two big mainstream pattern of plate membrane and hollow membrane in the world at present, wherein flat
Plate membrane microfiltration and ultrafiltration have an advantages such as flux is big, easy cleaning, long lifespan, O＆M are simple, but there is also in some in deficiency.Than
Such as, plate membrane effective filtration area is less than normal, loading density is relatively low, gas-water ratio is bigger than normal, and unit power consumption is higher etc., has seriously affected flat
The scale and industrialization of plate membrane technology and equipment are universal.It is that there is no light weight in the industry to lead to the above-mentioned insufficient basic reason in inherence
Change, permeability is good, high mechanical strength support component is available.
The state of the art of inner support element is sincerely introduced so that sludge detaches as an example below：As Chinese patent CN1676202,
CN101541406、CN201534787U、CN201493055U、CN201692771U、CN104107640A、CN102512963A、
CN106630130A、CN104307375A、CN104399373A、CN206843180U、CN206622002U、
Described in CN206308111U, CN206492403U, CN206751497U, CN206308112U etc., substantially using rotproofness it is good but
The low sheet plastic of rigidity, has longitudinal diversion channel slot (the alternate pattern that is staggered in common longitudinal direction) in its positive and negative, sticks plate membrane
Inner support element is inserted on the inside of frame limit fixation in wide U-type groove, and multiple flat-membrane element assembled parallels are at so-called " plate membrane
Component "；Plate film assembly is lifted into aerobic sludge pond or membrane cisterna bottom of pond, solid-liquor separation work(is realized under gravity or pump driving
Can, draw high-quality water outlet.And mass production practical data shows：
（1）It is restricted by mechanical strength, commercially available inner support element is the thicker plastic plate of thickness, and the thickness of wherein inlet member is
The thickness of 7.0mm ~ 8.0mm, domestic element are 5.5mm ~ 6.0mm, and inner support element material cost accounts for the 40% of finished product flat-membrane element
~ 60%, the high serious Rapid Popularization application for hindering tablet membrane microfiltration and ultrafiltration in sludge separation field of manufacturing cost；And
Rigidity can be caused not enough again by reducing support component thickness, be insufficient to allow it to erect support and kept stablizing.
（2）Fluidised form requires to be limited between by adjacent flat-membrane element, when using commercially available inner support element, flat-membrane element
Installation interval is usually 6.0mm ~ 8.0mm, causes plate film assembly loading density extremely low, and gas-water ratio and unit power consumption occupy height not
Under, operating cost is higher, and seriously restricts the market share expansion of tablet membrane microfiltration and hyperfiltration technique.
（3）It is designed and is inspired by import inner support component structure, commercially available domestic inner support element tow sides are equipped with boss
(the shallow formula of similar Japan's soup, longitudinal strip boss) or protrusion (similar Japan's Kubo field formula, diamond shape protrusion), as tablet membrane filtration
When work fulcrum or manufacture when solder contacts.But since these boss or protrusion integral area are larger, significantly cut down tablet
Effective area when membrane filtration, so that the flux of plate membrane unit area is substantially reduced.
In view of the above-mentioned problems, Chinese patent CN102512963B discloses a kind of plate membrane inner support element, by film
Element support plate tow sides are each provided with several boss for spreading and being higher by support plate face, and the combination of adjacent panels film membrane component relies on
Support plate face boss is supported as interval, prevents the deformation that warps, support component thickness is thinned by original 5.5mm ~ 6.0mm is
3.5mm or so, material cost saves 30% or so, but there are following technological deficiencies for this technical solution：
（1）Trepanning processing need to be carried out to the plate membrane on flat-membrane element, and plate membrane at boss is effectively sealed, otherwise easily
Cause to be discharged or clean liquid because of the short stream that is open, and then plate membrane filtration functional fails.
（2）Though U-shaped slot is not recycled to insert between support component, it need to be compressed and be sealed with fasteners such as bolts, side is close
Envelope must use sealing joint strip or side seal board to be sealed, and watertight problem can not effect a radical cure in engineering practice.
（3）After a large amount of hair fibers are cared for or wound to support plate face boss between adjacent flat-membrane element, plate membrane is effective
Filter area can be greatly decreased, it has to which maintenance of stopping transport is artificial to remove, and O＆M difficulty dramatically increases.
Chinese patent CN104107640A then discloses a kind of improved flat-plate film inner support element, i.e. inner support element table
Boss is no longer arranged in face, but vertical strip boss is arranged in surrounding, and by opening up groove or flange on vertical strip boss,
Make the mating sealed around of adjacent support plate, U-shaped slot location and installation or need to be tight with bolt etc. need to be used by overcoming the prior art
Firmware compresses the problem of sealing, contracting installation work-hour and cost of manufacture, alleviates hair fiber winding in a way and side is close
Envelope problem, but still there are following shortcomings：
（1）The vertical strip boss of support plate surrounding setting prevents the rising between flat-membrane element to clean air-flow, necessarily causes
Plate membrane blocks rapidly, can not run steadily in the long term.
（2）Since the vertical strip boss of plastic material is higher by flat-membrane element 3.0mm ~ 6.0mm, mechanical strength is relatively low, easily
Fracture or deformation are caused, limit is caused to fail.
（3）It is limited by vertical strip boss height, the loading density of flat-membrane element is relatively low, and plate film assembly cost is higher.
（4）Support plate positive and negative is designed with alternate longitudinal diversion trench, and setting direction is parallel with strip boss.It is cleaning
Air-flow turbulent fluctuation effect under, vertical flat-membrane element direction easily deforms, between initiation element fluidised form deteriorate, cause plate membrane block into
Journey quickening, flux sharp-decay, the chemical cleaning frequency increase suddenly or even overall performance is remarkably decreased.
Invention content
In view of this, it is an object of the invention to for a kind of flat-membrane element support component and flat-membrane element, it is existing to solve
There is flat-membrane element thickness compared with thick, weight is big, effective filtration area is small and yielding technical problem, meanwhile, the flat elements film is also
Have the advantages that of low cost, service life is long, loading density is high and electric consumption is small.
The technical solution adopted in the present invention is：
A kind of flat-membrane element support component, including support plate are designed, the cross section of the support plate is waveform, the support plate
Each corrugated on be equipped with conduction hole, support plate is surrounded by welding section.
Waveform is the combination of monochromatic wave, sawtooth wave, triangular wave or rectangular wave or two or more waveforms.
The welding section is solid or hollow body, when welding section is solid, the corresponding end of support plate and welding section
It is fixedly connected；When welding section is hollow body, the corresponding end of support plate is located at interior hollow body or the corresponding end of support plate and sky
It is fixedly connected inside heart body.
Preferably, when welding section is hollow body, the height inside hollow body is adapted with the thickness of support plate.Hollow body is certainly
The thickness of body is 1mm-5mm.
Further preferably：Support plate is the first welding section along the welding section at waveform extending direction both ends, and support plate is along waveform
The welding section at direction of propagation both ends is the second welding section.First welding section and the second welding section are solid, the first weldering
Area and the second welding section is connect to be structure as a whole with support plate；First welding section and the second welding section are hollow body, the first weldering
It connects area and the second welding section and forms a rectangular periphery frame, the height inside rectangular periphery frame is equal with the thickness of support plate, branch
The corresponding end of fagging is located in rectangular periphery frame；First welding section is solid, and the second welding section is hollow body, the first weldering
It meets area to be structure as a whole with support plate, support plate is located at along the both ends in wave travel direction in the second welding section；Described
One welding section is hollow body, and the second welding section is solid, and the both ends of support plate waveform extending direction are located at the first welding
In area, the second welding section is structure as a whole with support plate.
The support plate, the material of welding section are ABS or PVC or PE/PP copolymers.
The support plate, the material of welding section are stainless steel, and the forward and backward surface of welding section is equipped with weldering film layer, welds film layer
Material be ABS or PVC or PE/PP copolymers.
The welding section of support plate one end is equipped with liquid outlet and lifting lug.
Support plate is the second welding section along the welding section at wave travel direction both ends, and the liquid outlet and lifting lug setting are the
On two welding sections；Lifting lug is equipped with trepanning, opening diameter 10mm；Liquid outlet is at least provided with one, the area of passage of liquid outlet
≥10mm2, liquid outlet is connected to the inner wall of the second welding section, and liquid outlet outer wall section is that ellipse or round, inner cavity are cut
Face is ellipse, round or rectangle.
According to the use direction of flat-membrane element, liquid outlet can be arranged in the first welding section, can also be arranged in the second weldering
Area is met, quantity is either one or more.
Also according to the use direction of flat-die element, lifting lug can be arranged in the first welding section, can also be arranged second
Welding section, it can also be two that quantity, which can be one, when being two, be symmetrical set.
The liquid outlet and lifting lug are integrally formed with welding section.
Convex ridge Support is equipped at the upper surface of support plate wave crest and the lower surface of support plate trough.
Further preferably：The width of the convex ridge Support is L, and width L is 0.1-2mm；The wavelength X of the support plate is
5.0mm-50mm, wave amplitude A be 0.5mm-2.5mm, 0.01<L/λ<0.2.
Further preferably：Single hole area of passage >=0.785mm of the conduction hole2, wave of the conduction hole in the support plate
Linear array arrangement on face, the shape of the conduction hole be rectangular, round, oval, diamond shape, triangle, regular pentagon or
Regular hexagon one kind or combination and other arbitrary shapes.The center line of conduction hole can be vertical with the corrugated of the support plate,
Can also be vertical with the face where support plate, can also be other various directions.
Further preferably：The waveform of the preceding corrugated of the support plate and rear corrugated central symmetry, support plate is monochromatic wave, saw
The wall thickness of tooth wave and triangular wave, support plate is 0.1-3mm.
A kind of flat-membrane element including above-mentioned support component further includes preceding flat membrane and rear flat membrane, the side of the forward and backward flat membrane
Edge is fixedly connected with the front and back of support plate surrounding welding section respectively, so that shape between forward and backward flat membrane and the corrugated of support plate
At several perforation runners, the perforation runner forms the compound liquid collecting zone in hole-road being connected with the liquid outlet with conduction hole.
When the material of the welding section is ABS or PVC or PE/PP copolymers, the preceding flat membrane and rear flat membrane and welding section
Directly it is welded as a whole；When the material of the welding section is stainless steel, the weldering film in the preceding flat membrane and rear flat membrane and welding section
Layer is welded as a whole.
The material of the preceding flat membrane and rear flat membrane is C-PVC, thickness 0.15mm.
The size of the preceding flat membrane and rear flat membrane matches with welding section peripheral dimension, tolerance 2.0mm, upper lower deviation
±1.0mm。
Compared with prior art, the method have the benefit that：
1, the support plate in the present invention is made of stainless steel or ABS materials, has the advantages that good rigidity, intensity are big, and it is horizontal
Section is in wave shape, and provides support by welding section for flat membrane so that flat-membrane element has that thickness is thin, weight is small, anti-tilting
Advantage.
2, the conduction hole in support plate of the present invention and perforation each runner group pore-forming-compound liquid collecting zone in road, can be by flat-membrane element
Through-current capacity improves 50%.
3, the present invention and provide support by the convex ridge Support on corrugated for flat membrane, compared to the prior art in boss
Or it is raised, the contact area of convex ridge Support and flat membrane is small, can almost regard line contact as, can increase effective filtration area
50%。
4, flat-membrane element thickness of the invention is thin, only 1mm-5mm, and the loading density of flat membrane component can be made to improve 30%.
5, the flat membrane in flat-membrane element of the present invention is firmly welded on support component, will not be tilted, and flat membrane component can be made
Gas-water ratio reduce by 30%.
6, the present invention is of low cost, and service life is up to 20 years.
Description of the drawings
Fig. 1 is one of support plate cross section oscillogram；
Fig. 2 is the two of support plate cross section oscillogram；
Fig. 3 is the three of support plate cross section oscillogram；
Fig. 4 is one of the front view of support component；
Fig. 5 is the two of the front view of support component；
Fig. 6 is the three of the front view of support component；
Fig. 7 is one of the support component cross-section diagram along wave travel direction；
Fig. 8 is one of the support component cross-section diagram along waveform extending direction；
Fig. 9 is two of the support component cross-section diagram along wave travel direction；
Figure 10 is two of the support component cross-section diagram along waveform extending direction；
Figure 11 is support component stereoscopic schematic diagram；
Figure 12 is flat-membrane element structural schematic diagram；
10 be support plate, and 11 be conduction hole, and 12 be convex ridge Support, and 20 be welding section, and 21 be the first welding section, and 22 be the second weldering
Area is met, 23 be liquid outlet, and 24 be lifting lug, and 25 be weldering film layer, and 30 flat-membrane elements, 31 be preceding flat membrane, and 32 be rear flat membrane.
Specific implementation mode
Illustrate the specific implementation mode of the present invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail
It describes the bright present invention in detail, does not limit the scope of the invention in any way.Involved unit module zero in following embodiment
The devices such as part, structure, mechanism are unless otherwise instructed then conventional commercial product.
Embodiment 1：As shown in Figure 1-Figure 3, a kind of flat-membrane element support component, including wall thickness are 0.1-3mm support plates
10, the cross section of the support plate 10 is waveform, which is any one in monochromatic wave, sawtooth wave, triangular wave or rectangular wave
Waveform or the combined waveform of multiple waveforms, and wavelength 5.0mm≤λ≤50mm of the waveform, amplitude be 0.5mm≤A≤
2.5mm。
As shown in 4- Fig. 6, it is equipped with conduction hole 11 on upper and lower two corrugateds of support plate 10, the shape of conduction hole 11 is
Any one in rectangular, round, oval, diamond shape, triangle, regular pentagon and regular hexagon or other shapes, and single hole
Area of passage（Hole section）≥0.785mm2, that is, projected area of the conduction hole 11 in vertical plane；Conduction hole 11 can nothing
Regular array regular can also be arranged in support plate 10 in support plate 10, for being connected to the upper and lower wave of support plate 10
Face.
Support plate 10 is surrounded by welding section 20, and welding section 20 is solid or hollow body, when welding section 20 is solid
When body, 10 corresponding end of support plate is fixedly connected with welding section 20；When welding section is hollow body, the height inside hollow body
It is adapted with the thickness of support plate 10, the thickness of hollow body itself is 1mm-5mm, and 10 corresponding end of support plate is located at hollow body
It is fixedly connected inside interior or 10 corresponding end of support plate and hollow body.
Such as Fig. 7-Figure 10, support plate 10 is the first welding section 21, support plate 10 along the welding section at waveform extending direction both ends
Welding section along wave travel direction both ends is the second welding section 22；When the first welding section 21 and the second welding section 22 are solid
Body, the first welding section 21 and the second welding section 22 are structure as a whole with support plate；When the first welding section 21 and the second welding section 22
For hollow body, the first welding section 21 and the second welding section 22 form a rectangular periphery frame, the height inside rectangular periphery frame with
The thickness of support plate 10 is equal, and the corresponding end of support plate 10 is located in rectangular periphery frame；When the first welding section 21 is solid, the
Two welding sections 22 are hollow body, and the first welding section 21 is structure as a whole with support plate 10, and support plate 10 is along wave travel direction
Both ends are located in the second welding section 22；When the first welding section 21 is hollow body, the second welding section 22 is solid, the second weldering
It meets area 22 to be structure as a whole with support plate 10, the both ends of 10 waveform extending direction of support plate are located in the first welding section 22.
Support plate 10, the material of welding section 20 can be single material, or stainless steel, single material include ABS
Or PVC or PE/PP copolymers；When support plate 10, the material of welding section 20 are stainless steel, the forward and backward surface of welding section 20 is all provided with
There is weldering film layer 25, the material of weldering film layer 25 is ABS or PVC or PE/PP copolymers.
As shown in Figure 4-Figure 6, the welding section 20 of at least one end of support plate 10 is equipped at least one liquid outlet 23 and lifting lug 24, example
Such as, liquid outlet 23 and lifting lug 24 are arranged on the second welding section 22, and lifting lug 24 is for two and symmetrical, and lifting lug 24 is equipped with
Trepanning, opening diameter 10mm；Liquid outlet 23 is at least provided with one, area of passage >=10mm of liquid outlet 232, 23 axis of liquid outlet
Line direction is consistent with wave travel direction, and liquid outlet 23 is connected to the inner wall of the second welding section 22, and 23 outer wall section of liquid outlet
It is ellipse, round or rectangle for ellipse or round, intracavity section.
Convex ridge Support 12, the convex ridge branch are equipped at the lower surface of 10 trough of upper surface and support plate of 10 wave crest of support plate
Support area 12 width be L, width L be 0.1-2mm, 0.01<L/λ<0.2.
As shown in figure 12, a kind of flat-membrane element 30 including above-mentioned support component, further includes preceding flat membrane 31 and rear flat membrane 32,
Preceding flat membrane 31, rear flat membrane 32 edge be fixedly connected respectively with the front and back of 10 surrounding welding section 20 of support plate so that preceding
Several perforation runners are formed between flat membrane 31, rear flat membrane 32 and the corrugated of support plate 10, perforation runner forms and goes out with conduction hole 11
The compound liquid collecting zone in hole-road that liquid mouth 23 is connected.
When the material of welding section 25 is ABS or PVC or PE/PP copolymers, preceding flat membrane 31 and rear flat membrane 32 and welding section
20 direct sweat solderings are integrated；When the material of welding section 20 is stainless steel, preceding flat membrane 31 and rear flat membrane 32 and welding section 20
On the 25 direct sweat soldering of weldering film layer be integrated.
The material of preceding flat membrane 31 and rear flat membrane 32 is C-PVC, thickness 0.15mm, the size of preceding flat membrane 31 and rear flat membrane 32
Match with 20 peripheral dimension of welding section, tolerance 2.0mm, upper lower deviation ± 1.0mm.
Embodiment 2 is discussed in detail by taking the single materials of ABS as an example：As shown in Figure 1, a kind of flat-membrane element support component, packet
Support plate 10 is included, the cross section of the support plate 10 is monochromatic wave waveform, and wavelength X=5.0mm of the waveform, amplitude A=1.5mm；
As shown in figure 4, the support plate 10 that wall thickness is 0.2mm is equipped with the circular drainage hole 11 that radius is 1.5mm, the mistake of the conduction hole 11
Flow area is 1.767mm2, that is, projected area of the conduction hole 11 in vertical plane；11 linear array arrangement branch of conduction hole
On fagging 10, and the upper and lower surface for being connected to support plate 10, and the upper surface of 10 wave crest of support plate and support plate 10
Convex ridge Support 12 is equipped at the lower surface of trough, the width of the convex ridge Support 12 is L, and width L is 0.1mm.
As shown in Figure 7, Figure 8, support plate 10 is surrounded by welding section 20, and support plate 10 is along waveform extending direction both ends
Welding section is the first welding section 21, and support plate 10 is the second welding section 22, the first weldering along the welding section at wave travel direction both ends
It is solid to meet area 21 and second and weld 22nd area, and support plate 10, welding section 20 are ABS materials and use twoport Shooting Technique
Integral structure made of processing and fabricating；
Liquid outlet 23 and a lifting lug 24 there are two being integrally formed as shown in Fig. 4, Figure 11, on 22 outer wall of the second welding section, two
23 symmetrical state of liquid outlet is set to the both sides of lifting lug 24, and lifting lug 24 is equipped with trepanning, opening diameter 10mm；Go out liquid
Area of passage >=10mm of mouth 232, 23 axis direction of liquid outlet is consistent with wave travel direction, and 23 inner cavity of liquid outlet is connected to
The inner wall of two welding sections 22, and 23 outer wall section of liquid outlet is ellipse, intracavity section is ellipse.
As shown in figure 12, a kind of flat-membrane element 30 including above-mentioned support component, further includes preceding flat membrane 31 and rear flat membrane 32,
Preceding flat membrane 31, rear flat membrane 32 edge respectively with the direct sweat soldering of front and back of 10 surrounding welding section 20 of support plate be one
Body penetrates through runner and draws so as to form several perforation runners between preceding flat membrane 31, rear flat membrane 32 and the upper and lower corrugated of support plate 10
Discharge orifice 11 forms the compound liquid collecting zone in hole-road being connected with liquid outlet.
In the present embodiment, the material of preceding flat membrane 31 and rear flat membrane 32 is C-PVC, thickness 0.15mm, and 31 He of preceding flat membrane
The size of flat membrane 32 matches with 20 peripheral dimension of welding section afterwards, tolerance 2.0mm, upper lower deviation ± 1.0mm.
With reference to factory calibration test condition (i.e. pressure 5kPa, water temperature 20oC), clear water flux >=930mL/min is qualification,
Flat-membrane element 30 made of support component for the present invention, surveys clear water flux, average value 1953mL/min reaches three times
2.1 times of manufacture criterion of acceptability.
Embodiment 3 is combined into example with stainless steel double with ABS and is discussed in detail：As shown in Fig. 2, a kind of flat-membrane element support member
Part, including support plate 10, the cross section of the support plate 10 are triangular wave waveform, and wavelength X=10.0mm of the waveform, amplitude A=
1.25mm；As shown in fig. 6, the support plate 10 that wall thickness is 0.5mm is equipped with rectangular conduction hole 11, the area of passage of the conduction hole 11
For 0.785mm2, that is, projected area of the conduction hole 11 in vertical plane；11 linear array arrangement support plate 10 of conduction hole
On, and the upper and lower surface for being connected to support plate 10, and 10 trough of the upper surface of 10 wave crest of support plate and support plate
Convex ridge Support 12 is equipped at lower surface, the width of the convex ridge Support 12 is L, and width L is 0.4mm.
As shown in Fig. 5, Fig. 9, Figure 10, support plate 10 is surrounded by welding section 20, and support plate 10 is along waveform extending direction
The welding section at both ends is the first welding section 21, and support plate 10 is the second welding section 22 along the welding section at wave travel direction both ends,
First welding section 21 and the second welding section 22 are hollow body, and the first welding section 21 and the second welding section 22 form a rectangular periphery
Frame, the height inside rectangular periphery frame is equal with the thickness of support plate 10, and four ends of support plate 10 are located in rectangular periphery frame；Branch
Fagging 10, welding section 20 material be stainless steel, the forward and backward surface of welding section 20 is equipped with weldering film layer 25, welds the material of film layer 25
Matter is ABS materials.
As shown in fig. 6, being integrally formed on 22 outer wall of the second welding section, there are two lifting lug 24 and a liquid outlets 23, and two are hung
The symmetrical state of ear is set to the both sides of liquid outlet 23, and lifting lug 24 is equipped with trepanning, opening diameter 10mm；Liquid outlet 23
Area of passage >=10mm2, 23 axis direction of liquid outlet is consistent with wave travel direction, and 23 inner cavity of liquid outlet is connected to the second weldering
The inner wall in area 22 is connect, and 23 outer wall section of liquid outlet is ellipse, intracavity section is round.
As shown in figure 12, the flat-membrane element 30 for including above-mentioned support component, further includes preceding flat membrane 31 and rear flat membrane 32, preceding flat
Film 31, rear flat membrane 32 edge be integrated respectively with 25 sweat soldering of weldering film layer on 10 surrounding welding section 20 of support plate so that
11 groups of several perforation runners, perforation runner and conduction hole are formed between preceding flat membrane 31, rear flat membrane 32 and the upper and lower corrugated of support plate 10
At the compound liquid collecting zone in hole-road being connected with liquid outlet 23.
In the present embodiment, the material of preceding flat membrane 31 and rear flat membrane 32 is C-PVC, thickness 0.15mm, and 31 He of preceding flat membrane
The size of flat membrane 32 matches with 20 peripheral dimension of welding section afterwards, tolerance 2.0mm, upper lower deviation ± 1.0mm.
With reference to factory calibration test condition (i.e. pressure 5kPa, water temperature 20oC), clear water flux >=930mL/min is qualification.
Flat-membrane element 30 made of support component for the present invention, surveys clear water flux, average out to value 3250mL/min reaches three times
3.5 times of manufacture criterion of acceptability.
Embodiment 4 is discussed in detail by taking the single materials of PVC as an example：As shown in figure 3, a kind of flat-membrane element support component, packet
Support plate 10 is included, the cross section of the support plate 10 is sawtooth waveform, and wavelength X=50.0mm of the waveform, amplitude A=5mm；Such as
Shown in Fig. 4, the support plate 10 that wall thickness is 3mm is equipped with oval conduction hole 11, and the area of passage of the conduction hole 11 is
5.67mm2, that is, projected area of the conduction hole 11 in vertical plane；In 11 linear array arrangement support plate of conduction hole, and
Upper and lower surface for being connected to support plate 10, and the lower surface of 10 trough of the upper surface of 10 wave crest of support plate and support plate
Place is equipped with convex ridge Support 12, and the width of the convex ridge Support 12 is L, and width L is 2mm.
As shown in Figure 8, Figure 9, support plate 10 is surrounded by welding section 20, and support plate 10 is along waveform extending direction both ends
Welding section is the first welding section 21, and support plate 10 is the second welding section 22, the first weldering along the welding section at wave travel direction both ends
It is solid to meet area 21, and the second welding section 22 is hollow body, and the first welding section 21 is structure as a whole with support plate 10, support plate 10
It is located in the second welding section 22 along the both ends in wave travel direction,
Support plate 10, welding section 20 are PVC material and are formed using twoport Shooting Technique processing and fabricating；
As shown in figure 5, being integrally formed on 22 outer wall of the second welding section there are one liquid outlet 23 and a lifting lug 24, set on lifting lug 24
There are trepanning, opening diameter 10mm；Area of passage >=10mm of liquid outlet 232, 23 axis direction of liquid outlet and wave travel side
To consistent, 23 inner cavity of liquid outlet is connected to the inner wall of the second welding section 22, and 23 outer wall section of liquid outlet is that ellipse, inner cavity are cut
Face is rectangular.
As shown in figure 12, the flat-membrane element 30 for including above-mentioned support component, further includes preceding flat membrane 31 and rear flat membrane 32, preceding flat
Film 31, rear flat membrane 32 edge be integrated respectively with 20 surrounding welding section of support plate, 20 direct sweat soldering so that preceding flat membrane 31,
Several perforation runners are formed between flat membrane 32 and the upper and lower corrugated of support plate 10 afterwards, perforation runner forms with conduction hole 11 and goes out liquid
The compound liquid collecting zone in hole-road that mouth 23 is connected.
In the present embodiment, the material of preceding flat membrane 31 and rear flat membrane 32 is C-PVC, thickness 0.15mm, and 31 He of preceding flat membrane
The size of flat membrane 32 matches with 20 peripheral dimension of welding section afterwards, tolerance 2.0mm, upper lower deviation ± 1.0mm.
Embodiment 5 is combined into example with stainless steel double with PE/PP copolymers and is discussed in detail：As shown in Figure 1, a kind of flat-membrane element
With support component, including support plate 10, the cross section of the support plate 10 is monochromatic wave waveform, and the wavelength X of the waveform=
25.0mm, amplitude A=2mm；The support plate 10 that wall thickness is 1.5mm is equipped with diamond shape conduction hole 11, the area of passage of the conduction hole 11
For 1.56mm2, that is, projected area of the conduction hole 11 in vertical plane；11 linear array arrangement support plate 10 of conduction hole
On, and the upper and lower surface for being connected to support plate 10, and 10 trough of the upper surface of 10 wave crest of support plate and support plate
Convex ridge Support 12 is equipped at lower surface, the width of the convex ridge Support 12 is L, and width L is 1.2mm.
As shown in figure 7 and figure 10, support plate 10 is surrounded by welding section 20, and support plate 10 is along waveform extending direction both ends
Welding section be the first welding section 21, support plate 10 along wave travel direction both ends welding section be the second welding section 22, first
Welding section 21 is hollow body, and the second welding section 22 is solid, and the both ends of 10 waveform extending direction of support plate are located at first
In welding section 21, the second welding section 22 is structure as a whole with support plate.
Support plate 10, the material of welding section 20 are stainless steel, and the forward and backward surface of welding section 20 is equipped with weldering film layer 25, weldering
The material of film layer 25 is PE/PP copolymers.
As shown in figure 4, being integrally formed on 22 outer wall of the second welding section, there are two liquid outlet 23 and a lifting lugs 24, and two go out
23 symmetrical state of liquid mouth is set to the both sides of lifting lug 24, and lifting lug 24 is equipped with trepanning, opening diameter 10mm；Liquid outlet
23 area of passage >=10mm2, 23 axis direction of liquid outlet is consistent with wave travel direction, and 23 inner cavity of liquid outlet is connected to second
The inner wall of welding section 22, and 23 outer wall section of liquid outlet is ellipse, intracavity section is round.
As shown in figure 12, the flat-membrane element 30 for including above-mentioned support component, further includes preceding flat membrane 31 and rear flat membrane 32, preceding flat
Film 31, rear flat membrane 32 edge be welded as a whole respectively with the weldering film layer 25 on 10 surrounding welding section 20 of support plate so that preceding flat
Form several perforation runners between film 31, rear flat membrane 32 and the upper and lower corrugated of support plate 20, perforation runner and the composition of conduction hole 11 with
The compound liquid collecting zone in hole-road that liquid outlet is connected.
In the present embodiment, the material of preceding flat membrane 31 and rear flat membrane 32 is C-PVC, thickness 0.15mm, and 31 He of preceding flat membrane
The size of flat membrane 32 matches with 20 peripheral dimension of welding section afterwards, tolerance 2.0mm, upper lower deviation ± 1.0mm.
Embodiment 6 is discussed in detail by taking the single material of PE/PP copolymers as an example：As shown in Figure 1, a kind of flat-membrane element branch
Support element, including support plate 10, the cross section of the support plate 10 is monochromatic wave waveform, and wavelength X=15.0mm of the waveform, is shaken
Width A=1mm；The support plate 10 that wall thickness is 0.1mm is equipped with hexagon conduction hole 11, and the area of passage of the conduction hole 11 is
1.32mm2；In 11 linear array arrangement support plate 10 of conduction hole, and the upper and lower surface for being connected to support plate 10,
And convex ridge Support 12, the convex ridge Support 12 are equipped at the lower surface of 10 trough of upper surface and support plate of 10 wave crest of support plate
Width be L, width L be 0.5mm.
As shown in Figure 7, Figure 8, support plate 10 is surrounded by welding section 20, and support plate 10 is along waveform extending direction both ends
Welding section is the first welding section 21, and support plate 10 is the second welding section 22, the first weldering along the welding section at wave travel direction both ends
It is solid to connect area 21 and the second welding section 22, and support plate 10, welding section 20 are PE/PP copolymers material and use twoport
Integral structure made of Shooting Technique processing and fabricating；
As shown in figure 4, being integrally formed on 22 outer wall of the second welding section, there are two liquid outlet 23 and a lifting lug 24, two liquid outlets
23 symmetrical states are set to the both sides of lifting lug 24, and lifting lug 24 is equipped with trepanning, opening diameter 10mm；Liquid outlet 23
Area of passage >=10mm2,23 axis direction of liquid outlet is consistent with wave travel direction, and 23 inner cavity of liquid outlet is connected to the second welding
The inner wall in area 22, and 23 outer wall section of liquid outlet is ellipse, intracavity section is rectangular.
As shown in figure 12, the flat-membrane element 30 for including above-mentioned support component, further includes preceding flat membrane 31 and rear flat membrane 32, preceding flat
Film 31, rear flat membrane 32 front and back of the edge respectively with 10 surrounding welding section 20 of support plate be directly welded as a whole so that
10 groups of several perforation runners, perforation runner and conduction hole are formed between preceding flat membrane 31, rear flat membrane 32 and the upper and lower corrugated of support plate 10
At the compound liquid collecting zone in hole-road being connected with liquid outlet 23.
In the present embodiment, the material of preceding flat membrane 31 and rear flat membrane 32 is C-PVC, thickness 0.15mm, and 31 He of preceding flat membrane
The size of flat membrane 32 matches with 20 peripheral dimension of welding section afterwards, tolerance 2.0mm, upper lower deviation ± 1.0mm.
The flat-membrane element of the present invention is in use, several flat-membrane elements combine to form new film according to existing membrane module form
Component, the premenstrual flat membrane 31 of filtrate and rear flat membrane 32, which are pooled to after filtering between preceding flat membrane 31 and rear flat membrane 32, penetrates through runner and drainage
In the compound liquid collecting zone in hole-road of hole composition, then it is discharged by liquid outlet 23, the liquid outlet 23 of each flat-membrane element collects in one
It rises, the filtering to filtrate is realized eventually by membrane module.When needing to clean preceding flat membrane 31 and rear flat membrane 32, pass through liquid outlet 23
Into flushing liquor, to be backwashed to preceding flat membrane 31 and rear flat membrane 32.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical scheme of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of flat-membrane element support component, including support plate, it is characterised in that：The cross section of the support plate is waveform,
Conduction hole is equipped on each corrugated of the support plate, support plate is surrounded by welding section.
2. flat-membrane element support component as described in claim 1, it is characterised in that：The welding section is solid or hollow
Body, when welding section is solid, the corresponding end of support plate is fixedly connected with welding section；When welding section is hollow body, support plate
Corresponding end is located in hollow body or is fixedly connected inside the corresponding end of support plate and hollow body.
3. flat-membrane element support component as claimed in claim 1 or 2, it is characterised in that：The support plate, welding section material
Matter is ABS or PVC or PE/PP copolymers.
4. flat-membrane element support component as claimed in claim 1 or 2, it is characterised in that：The support plate, welding section material
Matter is stainless steel, and the forward and backward surface of welding section is equipped with weldering film layer, and the material for welding film layer is ABS or PVC or PE/PP copolymers.
5. flat-membrane element support component as described in claim 1, it is characterised in that：The welding section of support plate one end is equipped with
Liquid outlet and lifting lug.
6. flat-membrane element support component as claimed in claim 5, it is characterised in that：Support plate is along wave travel direction both ends
Welding section be the second welding section, liquid outlet and lifting lug are arranged on the second welding section；Lifting lug is equipped with trepanning；Liquid outlet is at least
If there are one, liquid outlet is connected to the inner wall of the second welding section, and liquid outlet outer wall section is that ellipse or round, inner cavity are cut
Face is ellipse, round or rectangle.
7. flat-membrane element support component as described in claim 1, it is characterised in that：The upper surface of support plate wave crest and support
Convex ridge Support is equipped at the lower surface of Lamb wave paddy.
8. flat-membrane element support component as described in claim 1, it is characterised in that：The single hole area of passage of the conduction hole
≥0.785mm2, conduction hole linear array arrangement on the corrugated of the support plate.
9. a kind of flat-membrane element including any one of the claim 1-8 support components, which is characterized in that further include preceding flat membrane
It is fixedly connected respectively with the front and back of four end welding section of support plate with the edge of rear flat membrane, the forward and backward flat membrane, so that
Form several perforation runners between forward and backward flat membrane and the corrugated of support plate, the perforation runner and the conduction hole form with it is described
The compound liquid collecting zone in hole-road that liquid outlet is connected.
10. flat-membrane element as claimed in claim 9, it is characterised in that：The material of the welding section is ABS or PVC or PE/PP
When copolymer, preceding flat membrane and rear flat membrane are directly welded as a whole with welding section；It is preceding flat when the material of the welding section is stainless steel
Film and rear flat membrane are welded as a whole with the weldering film layer on welding section.
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| CN201810634624.7A CN108525522B (en) | 2018-06-20 | 2018-06-20 | Support element for flat membrane element and flat membrane element |
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| CN201810634624.7A CN108525522B (en) | 2018-06-20 | 2018-06-20 | Support element for flat membrane element and flat membrane element |
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