CN101152618A - Immersion type thin plate and frame film filter - Google Patents
Immersion type thin plate and frame film filter Download PDFInfo
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- CN101152618A CN101152618A CNA2006101396675A CN200610139667A CN101152618A CN 101152618 A CN101152618 A CN 101152618A CN A2006101396675 A CNA2006101396675 A CN A2006101396675A CN 200610139667 A CN200610139667 A CN 200610139667A CN 101152618 A CN101152618 A CN 101152618A
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- thin plate
- filter membrane
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Abstract
The invention relates to a soaking thin-walled plate frame membrane filter, which consists of one or a plurality of thin-walled plate frame membrane filter sheets and an aeration device below the filter sheet. The membrane filter sheet consists of a thin-walled panel, a conduction part and a filter membrane, all of which are bonded together. The invention is characterized in that at least two support strips are respectively arranged along two sides to form an asymmetrical framework on one surface of the invention, the vertical asymmetrical frames press each other closely to form a membrane chamber and two thin metal or plastic reinforcing strips are further arranged along two sides to be used as support. The soaking thin-walled plate frame membrane filter provided by the invention can be soaked in an original/waste sink and filters impurity in water, the aeration device is used for blocking reduction of the membrane, therefore, stable water production, bacteria filtering and reduction of silt index and turbidity can be realized.
Description
Technical field
The present invention relates to a kind of soak type membrane filter is made up of thin plate and frame filter membrane sheet and aeration backwash device, especially refer to that a kind of thinner thickness, weight are light and have certain intensity, and the back-washable immersion type thin plate and frame film filter that when backwash, prevents the asymmetric framework that filter membrane breaks that reaches.
Background technology
During the general turbidity of handling city waste water or industrial wastewater＜1NTU, then must be purified through coagulation, precipitation, filtration and general ultrafiltration or micro porous filtration treatment facility, among its purification process, not only to add flocculation agent, bulky again coagulation tank, stillpot, husky filter equipment and ultrafiltration or micro porous filtration equipment etc., not only treatment facility is huge and treatment step is numerous and diverse, and causes the purified treatment cost to increase.
Membrane filtration comprises micro porous filtration and hyperfiltration etc. sheet frame type, mesopore fiber and tubulose, mostly be with former/waste water pressurization, make water see through film and enter and produce the water side and form product water, impurity is stopped by film and forms concentrate that impurity accumulates on film surface and forms filter cake.Because of pressurization makes the compacted meeting of filter cake product water is slowed down, so will using very, high flow rate lowers obstruction and consumes energy, especially when filtering activated sludge, during microorganism, the easier obstruction of film, so the bioreactor (MembraneBio-reactor of immersion type has been arranged gradually, MBR) exploitation, be that ultrafiltration or microporous membrane are immersed in the activated sludge in addition aeration to handle sanitary sewage or industrial wastewater, be that mesopore fiber or plate and frame ultrafiltration membrane are soaked in the waste water that contains activated sludge aeration thereunder haply, oxygen supply on the one hand, produce wake turbulence on the other hand and the mobile flow velocity that makes progress, so can not dirty plug film, produce water and will produce water suction product water side and activated sludge and particle by negative pressure device or siphon, impurity such as bacterium are stopped and filtering by film, the former is product such as Zenon (Canada), Puron (Germany) and Mitsubishi (Japan) film are because the more difficult proper alignment of mesopore fiber event, mud caking or fiber rub mutually and easily undermine film, right famous Kubota (Japan) and the Toray (Japan) of latter's product.It is all very heavy though performance is good.Lighter dry weight also will be up to about 3.6kg/m
2
For the shape that supports filter disc and increase its intensity, the producer generally can be increased the thickness of each filter disc middle plateform, perhaps in its two sides thick frame is set, can be more strong when so making filter disc superimposed; Yet the method for so gaining in strength will make the thickness of filter disc and weight increase, related increase the volume and the weight of water filter integral body, cause the increase of transporting, using on inconvenience and the manufacturing cost.
In addition, when impurity in the water or suspended particulate are attached on each filter membrane gradually, will form filter cake and increase resistance and make and produce water efficient and lower, so after filter cake thickness is increased to a certain degree, must filter cake be gone out by the relative face in addition of filter membrane with filtrate, it is so-called backwash, so produce water usefulness to increase to make filter cake break away from the filter membrane surface, when the filter disc of prior art carries out backwash, filter membrane generally all can pressurized and whole face is heaved, so not only backwash effect is more unclear, and is easy to cause filter membrane to break, and this also is a problem during aforementioned prior art filter disc uses.
Summary of the invention
Be further thickness and the weight thereof that reduces filter disc, and can have certain intensity, the invention provides the design of an immersion type thin plate and frame film filter.
For reaching aforementioned purpose, immersion type thin plate and frame film filter provided by the present invention, its structure includes:
One flat board, it is one to have the thin plate on two sides, and runs through on its plate body and be provided with plurality of through holes;
Two produce the water conducting portion, are attached at dull and stereotyped two sides respectively, and its surface is on-plane surface and penetrable, and wherein a conducting portion has an open-work in corner;
Two filter membranes, but its filter opening aperture is 0.01 to 0.5 micron and impurity in the filtered water, and its adjacent central sentences interval mode and is attached at conducting portion, uses to make to have the space between this filter membrane and the flat board; And a filter membrane wherein, and it is relative with the open-work of conducting portion to be provided with an open-work in corner;
At least two support bars, it is positioned at dull and stereotyped one side, the both side edges along slab is posted solid in the filter membrane surface respectively, in order to the structural strength of strengthening whole vertical direction and keep film and film between between every; In addition, also can include four support bars, be positioned in twos respectively on dull and stereotyped two, be posted solid in the filter membrane surface along dull and stereotyped both side edges, Yi Mian two support bars wherein, its thickness forms asymmetric framework less than two support bar thickness of another side;
Two finishing strips, thin bonding jumper it make its cross section be L or ㄩ shape along the axis bending, and in addition, it also can be plastics L or U-type strip, and it is posted solid on the ora terminalis of filter membrane along two dull and stereotyped ora terminalis respectively, in order to strengthen the structural strength of whole horizontal direction;
One water outlet plate, it is attached at the filter membrane corner with the driving fit of joining of an outer rim and a support bar, and its thickness equals support bar; And it simultaneously is provided with an apopore with respect to filter membrane and conducting portion, and this apopore is connected with a tool negative pressure device, and this negative pressure device can produce negative pressure water is extracted out.
Its when assembling, in the superimposed mode of opposing parallel, support bar is pasted solid to the relative support bar another side of another immersion type thin plate and frame membrane filtration sheet plural the present invention's immersion type thin plate and frame membrane filtration sheet, form runner and make between two support bars.
After the assembling, can will should be soaked in tank/pond by the solid immersion type thin plate and frame membrane filtration sheet of plural number subsides, but pressing mutually of each filter disc of mat and end plate forms the film chamber, so can inject city waste water or industrial wastewater, and negative pressure device is activated, make water be subjected to negative pressure and pass filter membrane by infiltration, the conducting portion water outlet plate of flowing through is flowed out by apopore; Simultaneously, can also aeration mode produce bubble, make water be subjected to bubbles entrain and up flow among the runner, make impurity in the water be with scrapping off film and be not attached on each filter membrane and produce flow-disturbing; Can stablize so produce water, can make impurity among city waste water or the industrial wastewater by filtering, and produce the water that purifies.
Again, when the water after filtering flows out, its part is produced water and can be stored by one overflow/anti-wash tank, when desiring backwash as these users, owing to overflow/anti-wash tank than the high water that produces of the liquid level of filter through collector pipe and anti-the inflow in each plate and frame filter disc, ooze out outward by the inner surface of each filter membrane, the impurity that will be attached to each filter membrane surface by this washes out, to keep the cleaning of filter membrane, keep its effective utilization.
In the backwash process,, can effectively avoid filter membrane to break because each filter membrane the back of sticking film can not heaved by whole face during filter membrane backwash pressurized like this in the surface of conducting portion and flat board at interval with its adjacent central place.
The present invention is compared to the filter disc of prior art, not only identical intensity can be arranged and further reaches thinner thickness and the lighter only about 1.7kg/m of its dry weight of weight
2(filter disc of prior art is then up to 3.6kg/cm
2), and the problem that faces also can solve backwash the time, thereby increased the convenience of using and saved cost on making.
The support bar of the present invention's filter by each asymmetric sheet frame film filter disc vertical direction compresses mutually and forms the film chamber, and between keeping between each film every, so can omit guide rail etc.The screw that compresses frame one end that only takes this opportunity of each filter disc compresses end plate and each filter disc gently and gets final product.So the both sides of film chamber can be provided with baffle or guide rail plate.Only screw must be unclamped filter disc extraction replacing as changing filter disc.
Description of drawings
Fig. 1 sees stereogram outside the present invention.
Fig. 2 is the present invention's a exploded perspective view.
Fig. 3 is the present invention's a part side sectional view.
Fig. 4 is the present invention's a part perspective view.
Fig. 5 is that the present invention applies to see stereogram outside the filter.
Fig. 6 is the present invention's preferred embodiment stereoscopic figure.
Fig. 7 is the present invention's an enforcement view.
Fig. 7 A is the present invention's an enforcement state flow chart.
Fig. 8 is the present invention's a backwash view.
Fig. 8 A is the present invention's a backwash state flow chart.
Fig. 9 is another preferred embodiment exploded perspective view of the present invention.
Figure 10 is the present invention's an another preferred embodiment exploded perspective view.
The specific embodiment
Please referring to Figure 1 and Figure 2, immersion type thin plate and frame film filter provided by the present invention, it is made up of thin plate and frame filter membrane sheet and aeration backwash device, and wherein this thin plate and frame filter membrane sheet includes:
One flat board 10, it is a sheet plastic, runs through on its plate body to be provided with plurality of through holes 11, this plurality of through holes 11 is that the center is radial arrangement with the corner at aftermentioned water outlet plate 60 places, smooth and easy in the time of can increasing water and flow out;
Two conducting portions 20, it is one netted, be attached at dull and stereotyped 10 two sides respectively, and wherein the corner of a conducting portion 20 has an open-work 21;
Two filter membranes 30, but have complex aperture on it and be impurity in 0.01 to 0.5 micron the filter opening filtered water, and its adjacent central is sentenced at interval, and bonding method is attached at the back of dull and stereotyped 10 conducting portions 20 and film 30 respectively and forms plural backwash fixing point 42 or backwash static line (not shown); A filter membrane 30 wherein, and it is relative with the open-work 21 of conducting portion 20 to be provided with an open-work 31 in corner;
Two support bars 40, it is positioned at dull and stereotyped 10 one side, and the both side edges along flat board 10 is posted solid in filter membrane 30 surfaces respectively, in order to strengthen the structural strength of whole vertical direction;
Two finishing strips 50 make the finishing strips of the L-shaped or ㄇ shape in cross section with thin metal or plastic strip along the axis bending, and respectively along dull and stereotyped 10 two ora terminalis, are bonded in its inner surface on two ora terminalis of filter membrane 30, in order to strengthen the structural strength of integral level direction;
One water outlet plate 60, it is attached at filter membrane 30 corners, and with the driving fit of joining of an outer rim and a support bar 40, its thickness equals support bar 40; These water outlet plate 60 one sides are provided with an apopore 61 and open-work 31 and open-work 21 relative (please cooperate referring to shown in Figure 4).
Please referring to Fig. 5 and shown in Figure 6, include plural immersion type thin plate and frame membrane filtration sheet in one filter 70, it is respectively in the superimposed mode of opposing parallel, support bar 40 is pasted solid to relative support bar 40 another sides of another immersion type thin plate and frame membrane filtration sheet, make and form runner 41 between two support bars 40, and form discharge orifice 51 between the finishing strips 50 of two thin metals or plastics and this face, and the apopore 61 of each water outlet plate 60 is connected to a collector pipe 65 by an adapter 64, this collector pipe 65 is connected with a negative pressure device 71 (as: water pumper), to produce the water sucking-off and be delivered to the product water storage tank, when partly then being delivered to the overflow that is positioned at water filter 70 tops/backwash tank 66 backwashes because position presses order to produce an aqueous reflux to go among each immersion type thin plate and frame membrane filtration sheet to carry out backwash; And being provided with aerator 72, these water filter 70 bottoms can produce bubble.
Please cooperate referring to shown in Fig. 7 and Fig. 7 A, when city waste water or industrial wastewater inject be equipped with the aeration tank 74 of water filter 70 after, negative pressure device 71 can be activated, make water be subjected to vacuum suction and flow out among the collector pipe 65 by permeating directly by apopore 61; Perhaps pass perforation 11 and flow out among the collector pipe 65, so make impurity among city waste water or the industrial wastewater, flow out by collector pipe 65 and produce the water that can reuse by 30 filterings of filter membrane by apopore 61.
Simultaneously, making aerator 72 produce bubbles entrain water constantly circulates from lower to upper and forms flow-disturbing and reduce obstruction to filter membrane 30.
Please referring to shown in Fig. 8 and Fig. 8 A, current warp to the collector pipe 65 that is positioned at the backwash tank 66 of water filter 70 tops when backwash flows into each The thin plate frame filter disc then, mat penetrates respectively bores a hole 11 and oozed out outward by the inner surface of each filter membrane 30, thereby the impurity that will be attached to each filter membrane 30 surface washes out, to keep the cleaning of filter membrane 30, keep its effective utilization.
During its backwash, because each filter membrane 30 is pasted on dull and stereotyped 11 and the back side of conducting portion 20 and filter membrane 30 with plural number backwash fixing point 42 or backwash static line (not shown) at interval, so can not heave by whole face during filter membrane 30 pressurizeds, suffered tension force is too big and break in the time of can effectively avoiding filter membrane 30 backwashes.
Please referring to shown in Figure 9, among another preferred embodiment of the present invention, the plural immersion type thin plate and frame membrane filtration sheet that is superimposed with each other among the aforementioned filter 70, between its each runner 41 a unrestrained plate 43 can be set further respectively, this wave plate 43 is for being the plate body of wavy bending, it is formed with plural free air space in the surface, and its two sides is touched respectively and is butted on a filter membrane 30, so when this immersion type thin plate and frame membrane filtration sheet backwash, also filter membrane 30 compactings can be prevented that it is heaved by the repoussage face, thereby reach and backwash fixing point 42 or the identical effect of backwash static line.
Please referring to shown in Figure 10, among the present invention's another preferred embodiment, aforementioned filter 70 can further present kenel as shown in the figure, it includes a frame 80, this frame 80 is six ducted bodies, wherein upper and lower each outstanding forming on a distolateral limit pushes against sheet 81, respectively push against to have a screw 810 on the sheet 81, but spiral shell is established a screw 811 in each screw 810; In addition, place, contiguous two ends is provided with an end plate 82 respectively in this frame 80, wherein an end plate 82 pushes against on two lateral margins of sheet 81 relatively, be provided with L-shaped being subjected in a cross section to sheet 820, this is subjected to sheet 820 one sides relative with each screw 810, and the screw 811 that be located in the screw 810 by spiral shell pushes against, and the another side both sides are provided with buffer substrate tablet 821; Aforementioned immersion type thin plate and frame membrane filtration sheet can be plural number and parallel mode is arranged among this frame 80, support sincere with its corner in each body of rod inboard, wherein, the filter that is adjacent to end plate 82 is butted on the buffer substrate tablet 821 with both side edges simultaneously, so, when end plate 82 is pushed against by screw 811, then can push against each filter, make it connect airtight mutually, so promptly the support bar by each asymmetric sheet frame film filter disc vertical direction compresses mutually and forms the film chamber, and between keeping between each film every, so can omit guide rail etc.In addition, the sealing that is bonded with each other of the support bar 40 by end plate 82 and each thin plate and frame membrane filtration sheet in the aforementioned frame 80 can form the film chamber, and this film film chamber can be positioned at above the solarization air cell that aerator is arranged, so can replace the filter 70 shown in Fig. 7 A and the 8A, and reach the effectiveness of drainage.
So when carrying out film change, can not will whole frame 80 hangs out outside the groove, only need liquid level is reduced to screw 811 places of top, The thin plate frame membrane filtration sheet can be extracted out after screw 811 is unclamped and change; In addition, because the screw 811 that compresses frame 80 1 ends that only take this opportunity of each filter disc compresses end plate 82 and each filter disc gently gets final product.So the both sides of film chamber can be provided with baffle or guide rail plate.Only screw 811 must be unclamped filter disc extraction replacing as changing filter disc, therefore, more convenient in the use.
Claims (10)
1. immersion type thin plate and frame film filter, it is made up of thin plate and frame filter membrane sheet and aeration backwash device, and wherein the structure of this thin plate and frame filter membrane sheet includes:
One flat board, it is a thin plate;
Two conducting portions, it is attached at dull and stereotyped two sides respectively, and its two surface is on-plane surface and penetrable;
Two filter membranes, but impurity in its filtered water are attached at two surfaces of conducting portion respectively;
At least two support bars, it is positioned at dull and stereotyped one side, is posted solid in the filter membrane surface along dull and stereotyped both side edges respectively.
2. immersion type thin plate and frame film filter as claimed in claim 1, its thin plate and frame filter membrane sheet further includes two finishing strips, and it along two dull and stereotyped ora terminalis, is bonded in inner surface on two ora terminalis of filter membrane respectively.
3. immersion type thin plate and frame film filter as claimed in claim 2, the filter membrane of its thin plate and frame filter membrane sheet is with adjacent central place bonding method attaching film, conducting portion and dull and stereotyped and form plural backwash fixing point respectively at interval.
4. as claim 1,2 or 3 described immersion type thin plate and frame film filters, its thin plate and frame filter membrane sheet includes four support bars, be positioned at dull and stereotyped two respectively in twos, be posted solid in the filter membrane surface along dull and stereotyped both side edges, Yi Mian two support bars wherein, its thickness forms asymmetric framework less than two support bar thickness of another side.
5. as claim 1,2 or 3 described immersion type thin plate and frame film filters, the filter membrane of its thin plate and frame filter membrane sheet is with adjacent central place bonding method attaching film, conducting portion and dull and stereotyped and form at least one backwash static line respectively at interval.
6. as claim 1,2 or 3 described immersion type thin plate and frame film filters, the conducting portion of its thin plate and frame filter membrane sheet is netted.
7. as claim 1,2 or 3 described immersion type thin plate and frame film filters, run through being provided with the perforation that plural number is radial arrangement on the dull and stereotyped plate body of its thin plate and frame filter membrane sheet.
8. as claim 1,2 or 3 described immersion type thin plate and frame film filters, its thin plate and frame filter membrane sheet further includes a water outlet plate, this water outlet plate is attached at the filter membrane corner with the driving fit of joining of an outer rim and a support bar, and its thickness equals support bar, and it simultaneously is provided with an apopore with respect to filter membrane and conducting portion.
9. as claim 1,2 or 3 described immersion type thin plate and frame film filters, its thin plate and frame filter membrane sheet further includes a unrestrained plate, this wave plate is the plate body that is wavy bending, and it is formed with plural free air space in the surface, and one side is touched and is butted on a filter membrane at least.
10. as claim 1,2 or 3 described immersion type thin plate and frame film filters, it further includes
One frame, this frame are six ducted bodies, and wherein upper and lower outstanding the forming in a distolateral limit pushes against sheet, respectively push against to have a screw on the sheet, and spiral shell is established a screw in each screw;
Two end plates, it is located at place, contiguous two ends in the frame respectively; Wherein an end plate pushes against relatively and is respectively arranged with one on two lateral margins of sheet and is subjected to sheet, and this is subjected to be respectively the L lamellar body to sheet, and one side is relative with each screw, and the screw that be located in the screw by spiral shell pushes against, and the another side both sides are provided with buffer substrate tablet;
And immersion type thin plate and frame membrane filtration sheet, being plural number and parallel mode is arranged among this frame, support sincere with its corner in each body of rod inboard, wherein, the filter that is adjacent to end plate is butted on the buffer substrate tablet with both side edges simultaneously, so, when end plate is pushed against by screw, then can push against each filter, make it connect airtight mutually, so promptly the support bar by each asymmetric sheet frame film filter disc vertical direction compresses mutually and forms the film chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101396675A CN100537005C (en) | 2006-09-28 | 2006-09-28 | Immersion type thin plate and frame film filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101396675A CN100537005C (en) | 2006-09-28 | 2006-09-28 | Immersion type thin plate and frame film filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101152618A true CN101152618A (en) | 2008-04-02 |
| CN100537005C CN100537005C (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101396675A Active CN100537005C (en) | 2006-09-28 | 2006-09-28 | Immersion type thin plate and frame film filter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829504A (en) * | 2010-05-27 | 2010-09-15 | 北京科泰兴达高新技术有限公司 | Back-washable flat membrane element |
| CN101857301A (en) * | 2010-06-18 | 2010-10-13 | 江苏金山环保工程集团有限公司 | Novel flat membrane element of settlement type membrane bioreactor |
| CN101905922A (en) * | 2010-06-09 | 2010-12-08 | 北京科泰兴达高新技术有限公司 | High-efficiency reverse washing flat membrane component |
| CN102010057A (en) * | 2010-09-26 | 2011-04-13 | 南京瑞洁特膜分离科技有限公司 | Multi-layer flat membrane of immersed-type membrane bioreactor |
| CN102510771A (en) * | 2009-09-03 | 2012-06-20 | 佛兰芒技术研究所有限公司 | Frame for supporting a filter membrane |
| CN102989323A (en) * | 2012-12-12 | 2013-03-27 | 北京坎普尔环保技术有限公司 | Sheet frame type membrane filtration device |
| CN106630130A (en) * | 2016-11-30 | 2017-05-10 | 中津科创（厦门）膜科技有限公司 | Support plate for flat membrane element of membrane bioreactor |
| CN107021559A (en) * | 2017-05-25 | 2017-08-08 | 江苏清泉环保设备有限公司 | A kind of structure-improved of MBR Flat Membranes |
| JP2018126691A (en) * | 2017-02-09 | 2018-08-16 | 株式会社クボタ | Membrane cartridge and membrane separation device |
| CN109890487A (en) * | 2016-10-27 | 2019-06-14 | 阿莫绿色技术有限公司 | Filter module for gravity type purifier and the gravity type purifier including it |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510771B (en) * | 2009-09-03 | 2014-07-23 | 佛兰芒技术研究所有限公司 | Frame for supporting a filter membrane |
| CN102510771A (en) * | 2009-09-03 | 2012-06-20 | 佛兰芒技术研究所有限公司 | Frame for supporting a filter membrane |
| CN101829504B (en) * | 2010-05-27 | 2013-03-13 | 北京科泰兴达高新技术有限公司 | Back-washable flat membrane element |
| CN101829504A (en) * | 2010-05-27 | 2010-09-15 | 北京科泰兴达高新技术有限公司 | Back-washable flat membrane element |
| CN101905922A (en) * | 2010-06-09 | 2010-12-08 | 北京科泰兴达高新技术有限公司 | High-efficiency reverse washing flat membrane component |
| CN101905922B (en) * | 2010-06-09 | 2013-03-13 | 北京科泰兴达高新技术有限公司 | High-efficiency reverse washing flat membrane component |
| CN101857301A (en) * | 2010-06-18 | 2010-10-13 | 江苏金山环保工程集团有限公司 | Novel flat membrane element of settlement type membrane bioreactor |
| CN102010057A (en) * | 2010-09-26 | 2011-04-13 | 南京瑞洁特膜分离科技有限公司 | Multi-layer flat membrane of immersed-type membrane bioreactor |
| CN102010057B (en) * | 2010-09-26 | 2013-01-16 | 南京瑞洁特膜分离科技有限公司 | Multi-layer flat membrane of immersed-type membrane bioreactor |
| CN102989323A (en) * | 2012-12-12 | 2013-03-27 | 北京坎普尔环保技术有限公司 | Sheet frame type membrane filtration device |
| CN102989323B (en) * | 2012-12-12 | 2015-02-11 | 北京坎普尔环保技术有限公司 | Sheet frame type membrane filtration device |
| CN109890487A (en) * | 2016-10-27 | 2019-06-14 | 阿莫绿色技术有限公司 | Filter module for gravity type purifier and the gravity type purifier including it |
| CN109890487B (en) * | 2016-10-27 | 2022-02-01 | 阿莫绿色技术有限公司 | A gravity type purifier that is used for gravity type purifier's filter module and includes it |
| CN106630130A (en) * | 2016-11-30 | 2017-05-10 | 中津科创（厦门）膜科技有限公司 | Support plate for flat membrane element of membrane bioreactor |
| JP2018126691A (en) * | 2017-02-09 | 2018-08-16 | 株式会社クボタ | Membrane cartridge and membrane separation device |
| CN107021559A (en) * | 2017-05-25 | 2017-08-08 | 江苏清泉环保设备有限公司 | A kind of structure-improved of MBR Flat Membranes |
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|---|---|
| CN100537005C (en) | 2009-09-09 |
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