CN110354555A - A kind of flat plate microporous filter device and its filter method - Google Patents
A kind of flat plate microporous filter device and its filter method Download PDFInfo
- Publication number
- CN110354555A CN110354555A CN201910655433.3A CN201910655433A CN110354555A CN 110354555 A CN110354555 A CN 110354555A CN 201910655433 A CN201910655433 A CN 201910655433A CN 110354555 A CN110354555 A CN 110354555A
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- water
- filter
- partition
- plate
- water inlet
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- 238000000034 method Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 155
- 238000005192 partition Methods 0.000 claims abstract description 70
- 239000012528 membrane Substances 0.000 claims abstract description 58
- 239000012535 impurity Substances 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 5
- 238000002955 isolation Methods 0.000 claims description 12
- 239000000706 filtrate Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 231100000252 nontoxic Toxicity 0.000 abstract description 4
- 230000003000 nontoxic effect Effects 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
Abstract
The invention discloses a kind of flat plate microporous filter devices, including water inlet pipe, outlet pipe, the first filter being located between water inlet pipe and outlet pipe, first filter include be used to form water flow to and the partition of impurity screening, the filter membrane for filtering impurities in water particle, partition is arranged alternately with filter membrane, filter is connect with water inlet pipe, outlet pipe respectively, after water enters water inlet pipe, after the partition, filter membrane through being arranged alternately, flow out of the water outlet pipe.Precision of the present invention is high and is not easy to plug, is big using time length, use environment range, and harmful element will not be discharged when processing waste water, hygienic nontoxic, the simple nonhazardous of preparation process.
Description
Technical field
The present invention relates to water-treatment technology fields, more particularly, to a kind of flat plate microporous filter device and its filter method.
Background technique
In the industries such as medicine, chemical, food processing and scientific experiment, need to filter out a large amount of water, aqueous solution or its
The impurity such as particulate matter such as silt and microorganism in his liquid.Filtering for big quantity of fluid, common method are by liquid
It is filtered by the miillpore filter in appropriate aperture.
But it is directly needed the effect of being attached on film because of the viscosity that it has and then influence filter membrane into film process
It to be removed it when pretreated；The easily stifled difficult cleaning of general millipore filter in the market.
Summary of the invention
The high and flat plate microporous filter device being not easy to plug and its filtering side the purpose of the present invention is to provide a kind of precision
Method, it is big using time length, use environment range, and harmful element will not be discharged when processing waste water, health is nontoxic, prepares work
The simple nonhazardous of skill.
The present invention solve above-mentioned technical problem the technical solution adopted is that: a kind of flat plate microporous filter device, including water inlet
Pipe, outlet pipe, the first filter being located between water inlet pipe and outlet pipe, first filter include being used to form flowing to simultaneously for water
The partition of impurity screening, the filter membrane for filtering impurities in water particle, partition are arranged alternately with filter membrane, filter respectively with
Water inlet pipe, outlet pipe connection, after water enters water inlet pipe, after the partition, filter membrane through being arranged alternately, flow out of the water outlet pipe.Partition
It is alternatively set as partition, filter membrane, partition, filter membrane with filter membrane to set gradually, water refers to liquid in this filter device.Partition
Cross the relatively large impurity in drainage, filter membrane crosses fine impurity in drainage, and double filtration improves filtering accuracy, and avoid due to
The case where relatively large impurity is directly over filter membrane to block filter membrane.By using plate cross-flow filtration, using partition
Form has abandoned the sheet frame of tens millimeters of traditional thickness so that filter device precision it is high and be not easy to plug, using the time it is long,
Use environment range is big, and harmful element will not be discharged when processing waste water, hygienic nontoxic, the simple nonhazardous of preparation process.
Preferably, partition includes nethike embrane, the isolation strip for surrounding nethike embrane prevention water outflow, isolation strip is equipped with into water
Mouth and water outlet.Nethike embrane is equipped with several apertures, and aperture can filter biggish impurity, be since water enters partition from water inlet pipe
There is flow velocity, the setting of water inlet and water outlet on isolation strip, so that water can enter outlet pipe after filter membrane.
Preferably, first filter further includes the pressing device for compressing partition and filter membrane, pressing device includes
Upper pressure plate and lower pressure plate are equipped with the partition and filter membrane being successively arranged alternately between upper pressure plate and lower pressure plate.Pass through
The setting of upper pressure plate and lower pressure plate, so that partition and filtering film compacting, water can only enter from the water inlet on isolation strip,
On nethike embrane flow after pass through filter membrane after, then from the isolation strip below filter membrane water outlet outflow.The upper pressure plate
Be equipped with the partition being successively arranged alternately between lower pressure plate to refer to filter membrane: the top is partition, then filter membrane, partition
Successively it is arranged alternately.Water can enter from the water inlet of the top partition, after several filter membranes and partition, from bottom
The water outlet of partition flows out, into outlet pipe.Several first filters can be set between upper pressure plate and lower pressure plate, if
A dry first filter is connect with several outlet pipes, water inlet pipe respectively.
Preferably, first filter is equipped with separating plate, separating plate includes upper separating plate and lower separating plate, upper separating plate
It is connect with outlet pipe, lower separating plate is connect with water inlet pipe, and upper separating plate is located at below pressure plate, and lower separating plate is located at lower compression
Above plate, partition and filter membrane are equipped between upper separating plate and lower separating plate.By the setting of separating plate, water can be prevented from upper
Side or lower section outflow, while water inlet pipe, outlet pipe connection are given, set runner of the water through first filter when.
Preferably, upper pressure plate is equipped with the compression steel bar for compressing upper pressure plate.By compressing the setting of steel bar,
The compression filter that pressure plate and lower pressure plate are more fastened.
Preferably, further including for providing the water pump of power for water, water pump is connect with water inlet pipe.Pass through setting for water pump
It sets, provides flow velocity for water, prevent water since flow velocity is slower, water inlet pipe can not be passed through, into filter.
Preferably, further including the second filter for the larger impurity of primary filtration, the second filter is connect with water pump.
By the setting of the second filter, can with impurity relatively large in primary filtration water, such as the impurity of stone, cloth waste bulky grain,
Second filter is existing equipment, and the second filter is the prior art, it is any it is disclosed can be with the mistake of primary filtration large size impurity
Filter can replace the second filter in the present invention.
Preferably, filter membrane includes upper surface cortex and lower surface cortex, upper surface cortex and lower surface cortex are uniformly distributed
Equipped with micropore, the micropore between upper surface cortex and lower surface cortex is in the spongy distribution of the asymmetric gradient of hourglass shape.Described
It is not symmetrical that micropore refers between micropore in the spongy distribution of the asymmetric gradient of hourglass shape, is in hourglass shape, porous spongy point
Cloth is being commonly designed for porous membrane.
Preferably, further including the filtrate receiver for receiving filtered water, filtrate receiver is connect with outlet pipe.
By the setting of filtrate receiver, filtered water can store.
Preferably, the aperture of micropore is 0.2-1 microns.
Preferably, the aperture of micropore is 0.45 micron.
A kind of method of flat plate microporous filtering, water after water pump, the second filter, from water inlet pipe through lower separating plate enter every
The water inlet of plate, water enter nethike embrane from water inlet, are filtered through aperture, and water is after filter membrane carries out micro porous filtration, into another
The water outlet of one partition, partition are successively arranged alternately with filter membrane, and water is after several layers partition and filter membrane, from going out for partition
The mouth of a river enters upper separating plate, and water enters outlet pipe from upper separating plate, and water enters filtrate receiver from outlet pipe.The partition is
The partition being close on lower separating plate with water inlet pipe, another described partition refer to the partition being close on separating plate with outlet pipe.
Water filters twice through the aperture on the second filter, partition, and biggish impurity is removed, will be small using filter membrane micro porous filtration
The removal of type impurity, obtains more pure water.Second filter is used to filter the impurity of bulky grain, such as stone, cloth waste big
The impurity of grain, aperture are used to filter the impurity of such as other particles of silt, and micropore is used to filter the small-sized impurity of such as microorganism.
The invention has the advantages that:
1, precision of the present invention is high and is not easy to plug, is big using time length, use environment range, and will not when processing waste water
Discharge harmful element, hygienic nontoxic, the simple nonhazardous of preparation process；
2, the second filter filters large granular impurity, and partition crosses the larger particles impurity in drainage, and filter membrane is crossed in drainage
Fine impurity, triple filter improve filtering accuracy, and avoid being directly over filter membrane due to relatively large impurity to block up filter membrane
The case where plug, while partition is easy to clean, improves reuse rate, extends filter device service life.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is another structural schematic diagram of the invention.
Fig. 3 is the structural schematic diagram of partition of the invention.
Fig. 4 is the structural schematic diagram of first filter of the invention.
In figure: 1, water inlet pipe, 2, outlet pipe, 3, first filter, 31, partition, 311, nethike embrane, 3111, aperture, 312,
Isolation strip, 3121, water inlet, 3122, water outlet, 32, filter membrane, 33, upper pressure plate, 34, lower pressure plate, 35, compression steel bar,
36, separating plate, 361, upper separating plate, 362, lower separating plate, the 4, second filter, 5, water pump, 6, filtrate receiver
Specific embodiment
Below in conjunction with drawings and embodiments, the present invention is further illustrated.
As shown in Figs 1-4, a kind of flat plate microporous filter device of the present invention, including water inlet pipe 1, outlet pipe 2, it is located at water inlet pipe
First filter 3 between 1 and outlet pipe 2, first filter 3 include the partition for flowing to simultaneously impurity screening for being used to form water
31, for filtering the filter membrane 32 of impurities in water particle, partition 31 is arranged alternately with filter membrane 32, filter respectively with water inlet pipe
1, outlet pipe 2 connects.
Partition 31 includes nethike embrane 311, the isolation strip 312 for surrounding the prevention water outflow of nethike embrane 311, is set on isolation strip 312
There are water inlet 3121 and water outlet 3122.Partition 31 includes at least first partition and is not shown and is not shown with second partition, first every
Plate is equipped with the first water inlet and the first water outlet, and second partition is equipped with the second water inlet and the second water outlet, and water is from first
Water inlet enters, and flows out after filter membrane 32 from the second water outlet.First partition, filter membrane 32, second partition are least mistake
Filter mode can also set first partition, and then filter membrane, partition are arranged alternately several layers.Through the above technical solutions, first enters
The setting at the mouth of a river and the second water outlet allows the water to flow according to the direction of runner, will not be flowed out by partition to two sides.
First filter 3 further includes the pressing device for compressing partition 31 Yu filter membrane 32, and pressing device includes upper pressure
Tight plate 33 and lower pressure plate 34 are equipped with the partition 31 and filter membrane being successively arranged alternately between upper pressure plate 33 and lower pressure plate 34
32。
First filter 3 is equipped with separating plate 36, and separating plate 36 includes upper separating plate 361 and lower separating plate 362, above divides
It being connect from plate 361 with outlet pipe 2, lower separating plate 362 is connect with water inlet pipe 1, and upper separating plate 361 is located at 33 lower section of pressure plate,
Lower separating plate 362 is located at lower 34 top of pressure plate, and partition 31 and filter membrane are equipped between upper separating plate 361 and lower separating plate 362
32。
Upper pressure plate 33 is equipped with the compression steel bar 35 for compressing upper pressure plate 33.
It further include for providing the water pump 5 of power for water, water pump 5 is connect with water inlet pipe 1.
It further include the second filter 4 for the larger impurity of primary filtration, the second filter 4 is connect with water pump 5.
Filter membrane 32 is not shown including upper surface cortex and is not shown with lower surface cortex, upper surface cortex and lower surface cortex
It is laid with micropore, the micropore between upper surface cortex and lower surface cortex is in the spongy distribution of the asymmetric gradient of hourglass shape.Institute
The micropore stated refers between micropore it is not symmetrical in the spongy distribution of the asymmetric gradient of hourglass shape, is in hourglass shape, mandruka
Shape distribution is being commonly designed for porous membrane.By the design of micropore, by way of water is formed cross-flow, so that this hair
It is bright to be not easy to form blocking.
The aperture of micropore is 0.2-1 microns.
The aperture of micropore is 0.45 micron.The aperture of micropore is set as 0.45 micron, so that filtering essence of the invention
Degree is 0.45 micron, flux 10-15t/h.
It further include the filtrate receiver 6 for receiving filtered water, filtrate receiver 6 is connect with outlet pipe 2.
In the present embodiment, as shown in Figure 1, water source (not shown), the second filter 4, water pump 5, water inlet pipe 1, first filter
Device 3 is sequentially connected, as shown in Fig. 2, water source (not shown), water pump 5, the second filter 4, water inlet pipe 1, first filter 4 are successively
The position of connection, water pump 5 and the setting of the second filter 4 can mutual phase inversion.Second filter 4 can be medium-and-large-sized with primary filtration water
Impurity, the second filter 4 is existing equipment, and the second filter 4 is the prior art, it is any it is disclosed can be with primary filtration water
The filter of medium-and-large-sized impurity can replace the second filter 4 in the present invention.
In the present embodiment, as shown in the figures 1 and 2, it is provided with three first filters 3 on flat plate microporous filter device, passes through
The setting of multiple first filters 3, carries out, accelerated filtration simultaneously, but in the present embodiment, it can also be only with single first filtering
Device 3 is filtered, as shown in figure 4, being the structural schematic diagram of single first filter 3.
In the present embodiment, water enters partition 31 after water pump 5 and the second filter 4, from water inlet pipe 1 through lower separating plate 362
Water inlet 3121, water from water inlet 3121 enter nethike embrane 311, be filtered through aperture 3111, due to water pump 5 provide pressure
Power, water is after filter membrane 32 carries out micro porous filtration, into the water outlet 3122 of another partition 31, due to partition 31 and filter membrane
32 are successively arranged alternately, and water is after multilayer insulating panel 31 and filter membrane 32, from the water outlet 3122 of partition 31 through upper separating plate 361
Into outlet pipe 2, due to the effect of pressure, water enters filtrate receiver 6 from outlet pipe 2.Isolation strip 312 is compared to nethike embrane 311
In bulge-structure, isolation strip 312 surrounds nethike embrane 311, then has and design in the compression of partition 31 and filter membrane 32, water can not from every
From overflowing in band 312, water successively alternately passes through nethike embrane 311, filter membrane 32 after the entrance of water inlet 3121.
A kind of method of flat plate microporous filtering, water is after water pump 5, the second filter 4, from water inlet pipe 1 through lower separating plate 362
Into the water inlet 3121 of partition 31, water enters nethike embrane 311 from water inlet 3121, is filtered through aperture 3111, water is through filtering
Film 32 carries out micro porous filtration, and partition 31 is successively arranged alternately with filter membrane 32, water through several layers partition 31 with after filter membrane 32, from
The water outlet 3122 of another partition 31 enters upper separating plate 361, and water enters outlet pipe 2 from upper separating plate 361, and water is from outlet pipe 2
Into filtrate receiver 6.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of flat plate microporous filter device, it is characterised in that: including water inlet pipe (1), outlet pipe (2), be located at water inlet pipe (1) with
First filter (3) between outlet pipe (2), first filter (3) include be used to form water flow to and impurity screening every
Plate (31), the filter membrane (32) for filtering impurities in water particle, partition (31) are arranged alternately with filter membrane (32), filter point
It is not connect with water inlet pipe (1), outlet pipe (2), after water enters water inlet pipe (1), partition (31), filter membrane (32) through being arranged alternately
Afterwards, it is flowed out from outlet pipe (2).
2. flat plate microporous filter device according to claim 1, it is characterised in that: partition (31) includes nethike embrane (311), uses
In the isolation strip (312) for surrounding nethike embrane (311) prevention water outflow, isolation strip (312) are equipped with water inlet (3121) and water outlet
(3122)。
3. flat plate microporous filter device according to claim 1 or 2, it is characterised in that: first filter (3) further includes using
In the pressing device for compressing partition (31) and filter membrane (32), pressing device includes upper pressure plate (33) and lower pressure plate (34),
The partition (31) being successively arranged alternately and filter membrane (32) are equipped between upper pressure plate (33) and lower pressure plate (34).
4. flat plate microporous filter device according to claim 3, it is characterised in that: first filter (3) is equipped with separation
Plate (36), separating plate (36) include upper separating plate (361) and lower separating plate (362), and upper separating plate (361) and outlet pipe (2) are even
It connects, lower separating plate (362) connect with water inlet pipe (1), and upper separating plate (361) is located at below pressure plate (33), lower separating plate
(362) it is located above lower pressure plate (34), partition (31) and filtering is equipped between upper separating plate (361) and lower separating plate (362)
Film (32).
5. flat plate microporous filter device according to claim 1 or 2 or 4, it is characterised in that: further include for being provided for water
The water pump (5) of power, water pump (5) are connect with water inlet pipe (1).
6. flat plate microporous filter device according to claim 5, it is characterised in that: further include second for impurity screening
Filter (4), the second filter (4) are connect with water pump (5).
7. flat plate microporous filter device described according to claim 1 or 2 or 4 or 6, it is characterised in that: filter membrane (32) includes
Upper surface cortex and lower surface cortex, upper surface cortex and lower surface cortex are laid with micropore.
8. flat plate microporous filter device according to claim 7, it is characterised in that: the aperture of micropore is 0.2-1 microns.
9. flat plate microporous filter device according to claim 8, it is characterised in that: the aperture of micropore is 0.45 micron.
10. a kind of method of flat plate microporous filtering, it is characterised in that: water is after water pump (5), the second filter (4), from water inlet pipe
(1) enter the water inlet (3121) of partition (31) through lower separating plate (362), water enters nethike embrane (311) from water inlet (3121), warp
Aperture (3111) carries out primary filtration, and water carries out micro porous filtration through filter membrane (32), and partition (31) is successively handed over filter membrane (32)
For setting, water enters upper point behind several layers partition (31) and filter membrane (32), from the water outlet (3122) of another partition (31)
From plate (361), water enters outlet pipe (2) from upper separating plate (361), and water enters filtrate receiver (6) from outlet pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655433.3A CN110354555A (en) | 2019-07-19 | 2019-07-19 | A kind of flat plate microporous filter device and its filter method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655433.3A CN110354555A (en) | 2019-07-19 | 2019-07-19 | A kind of flat plate microporous filter device and its filter method |
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| Publication Number | Publication Date |
|---|---|
| CN110354555A true CN110354555A (en) | 2019-10-22 |
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ID=68220433
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910655433.3A Pending CN110354555A (en) | 2019-07-19 | 2019-07-19 | A kind of flat plate microporous filter device and its filter method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603247A (en) * | 2021-07-26 | 2021-11-05 | 浙江蓝极膜技术有限公司 | Flat cross-flow type security filter device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224766B1 (en) * | 1998-04-24 | 2001-05-01 | Mitsui Chemicals, Inc. | Membrane treatment method and membrane treatment apparatus |
| CN202237447U (en) * | 2011-07-20 | 2012-05-30 | 中国科学院广州地球化学研究所 | Flat plate filter |
| CN105848761A (en) * | 2013-12-20 | 2016-08-10 | 通用电气公司 | Electrodialysis spacer having snap fit design and sampling ports |
| CN208617523U (en) * | 2018-07-19 | 2019-03-19 | 常州民生环保科技有限公司 | Reduce the processing unit of water outlet COD |
| CN210495395U (en) * | 2019-07-19 | 2020-05-12 | 杭州可可景观园林设计工程有限公司 | Flat plate microporous filtering device |
-
2019
- 2019-07-19 CN CN201910655433.3A patent/CN110354555A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224766B1 (en) * | 1998-04-24 | 2001-05-01 | Mitsui Chemicals, Inc. | Membrane treatment method and membrane treatment apparatus |
| CN202237447U (en) * | 2011-07-20 | 2012-05-30 | 中国科学院广州地球化学研究所 | Flat plate filter |
| CN105848761A (en) * | 2013-12-20 | 2016-08-10 | 通用电气公司 | Electrodialysis spacer having snap fit design and sampling ports |
| CN208617523U (en) * | 2018-07-19 | 2019-03-19 | 常州民生环保科技有限公司 | Reduce the processing unit of water outlet COD |
| CN210495395U (en) * | 2019-07-19 | 2020-05-12 | 杭州可可景观园林设计工程有限公司 | Flat plate microporous filtering device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113603247A (en) * | 2021-07-26 | 2021-11-05 | 浙江蓝极膜技术有限公司 | Flat cross-flow type security filter device |
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