CN210635770U - Sandwich structure membrane filter equipment - Google Patents
Sandwich structure membrane filter equipment Download PDFInfo
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- CN210635770U CN210635770U CN201920928479.3U CN201920928479U CN210635770U CN 210635770 U CN210635770 U CN 210635770U CN 201920928479 U CN201920928479 U CN 201920928479U CN 210635770 U CN210635770 U CN 210635770U
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- membrane
- sandwich structure
- filter
- power supply
- separation membrane
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Abstract
The utility model belongs to the technical field of the membrane filtration, concretely relates to sandwich structure membrane filter equipment, sandwich structure membrane filter equipment is including the filter cup that is provided with inlet opening and inlet port, and the electrical unit is in with the setting filter the sandwich structure filter unit of cup rim of a cup, sandwich structure filter unit is including the conducting layer, insulating interlayer, the electrically conductive separation membrane of range upon range of setting in proper order. The conductive layer is connected with the anode of the power supply unit, and the conductive separation membrane is connected with the cathode of the power supply unit. The power supply is switched on, sewage is filled into the filter cup, air pressure is applied, and the device can intercept pollutants and reject the pollutants to prevent the filter device from being polluted. The device is suitable for treating printing and dyeing wastewater, food wastewater and municipal sewage, has simple equipment, high efficiency and strong pollution resistance, and can be copied to various filtering units such as a microfiltration membrane, an ultrafiltration membrane, a nanofiltration membrane, a reverse osmosis membrane and the like.
Description
Technical Field
The utility model belongs to the technical field of the membrane filters, concretely relates to sandwich structure membrane filter equipment.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
The membrane process water treatment technology is considered to be one of the most effective technologies for solving the current water problems. The technology has the characteristics of high treatment efficiency, small occupied area, no secondary pollution and the like, and is widely applied to various sewage treatment processes. However, membrane fouling has a series of negative effects such as rapid decrease in membrane flux, decrease in treatment efficiency, and increase in cost, and thus has a bottleneck problem that limits the wide application of membrane technology. The existing membrane filtration device can not efficiently intercept charged sewage and has no capability of improving the anti-pollution performance of the membrane. For example, when a PVDF membrane is used for filtering a BSA solution, irreversible contamination reaches 40%. Therefore, it is necessary to provide a novel membrane filtration device with high efficiency of interception, pollution resistance, low cost and easy operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving at least that existing membrane filtration device ubiquitous can't carry out the high efficiency to the sewage of lotus and hold back to do not possess the problem that promotes the ability of membrane anti-pollution performance, this purpose is realized through following technical scheme:
the utility model provides a sandwich structure membrane filter equipment, sandwich structure membrane filter equipment includes:
the bottom of the filter cup is provided with a water inlet hole and an air inlet hole;
the filter cup comprises a cup mouth and a filter unit, wherein the cup mouth is provided with a conducting layer, an insulating interlayer and a conducting separation membrane which are sequentially stacked, the conducting layer is a porous conducting layer, and the insulating interlayer is a porous insulating layer;
and the anode of the power supply unit is connected with the conductive layer, and the cathode of the power supply unit is connected with the conductive separation membrane.
According to the utility model provides a sandwich structure membrane filter equipment can be held back and can resist the pollution effectively to the sewage of lotus electricity high-efficiently, prevents that the membrane from polluting and reducing treatment efficiency. When carrying out filtering operation, fill the cup with pending sewage from the water inlet of bottom of cup, the switch on power supply unit is connected the inlet port of bottom of cup and outside pressurized air source, to exerting pressure in the cup, under the effect of pressure, the interior sewage of treating of filtering the cup to the sandwich structure membrane filter unit direction removes, and the sandwich structure membrane filter unit of circular telegram can carry out accurate interception and high-efficient rejection to the pollutant of lotus in the sewage, promotes filtration membrane's antipollution performance.
In addition, according to the utility model discloses a membrane filtration device still can have following additional technical characterstic:
in some embodiments of the present invention, the conductive layer is a metal alloy mesh.
In some embodiments of the present invention, the metal alloy mesh is a stainless steel metal mesh.
In some embodiments of the present invention, the insulating interlayer is a rubber interlayer or a silicone interlayer.
In some embodiments of the present invention, the conductive separation membrane is a polymer-metal composite separation membrane.
In some embodiments of the present invention, the polymer-metal composite separation membrane is a polypropylene-copper composite separation membrane or a polyvinylidene fluoride-nickel composite separation membrane.
In some embodiments of the present invention, the voltage of the power supply unit can be adjusted, and/or the current output direction of the power supply unit can be adjusted.
In some embodiments of the present invention, the position of the air inlet hole is provided with a valve capable of adjusting the air inflow.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
fig. 1 schematically shows a schematic structural view of a sandwich structure membrane filtration device according to an embodiment of the present invention;
fig. 2 schematically shows a schematic structural view of a sandwich structure membrane filtration unit of a sandwich structure membrane filtration device according to an embodiment of the present invention;
the reference symbols in the drawings denote the following:
10: a sandwich structure membrane filtration device;
20: sandwich structure membrane filtration unit, 21: conductive layer, 22: insulating interlayer, 23: a conductive separation membrane,
24: power supply unit, 241: positive electrode, 242: a negative electrode;
30: filter cup, 31: inlet opening, 32: intake holes, 33: a valve;
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, according to an embodiment of the present invention, there is provided a membrane filtration device 10 of a sandwich structure, including:
the filter cup 30, the bottom of the filter cup 30 is provided with a water inlet hole 31 and an air inlet hole 32;
the membrane filtration unit 20 with the sandwich structure is characterized in that the membrane filtration unit 20 with the sandwich structure is arranged at the cup mouth of the filtration cup 30, the membrane filtration unit 20 with the sandwich structure comprises a conductive layer 21, an insulating interlayer 22 and a conductive separation membrane 23 which are sequentially stacked, wherein the conductive layer 21 is a porous conductive layer, and the insulating interlayer 22 is a porous insulating layer;
the positive electrode 241 of the power supply unit 24 is connected to the conductive layer 21, and the negative electrode 242 of the power supply unit 24 is connected to the conductive separation film 23.
The utility model provides a sandwich structure membrane filter equipment 10 has can accurate intercept with high-efficient sandwich structure membrane filter unit 20 who repels. When carrying out filtering operation, fill into sewage from inlet opening 31 department, connect the external pressure air supply with inlet port 32, switch on power supply unit 24, the sewage in the filter cup 30 receives the pressure that the external pressure air supply provided removes to sandwich structure membrane filter unit 20 direction, and when sewage removed and passed sandwich structure membrane filter unit 20, the conducting layer 21 and the electrically conductive separation membrane 23 of circular telegram made sewage electrode reaction, held back the pollutant, and the sandwich structure membrane filter unit 20 of circular telegram simultaneously can resist sewage, prevents that sandwich structure membrane filter unit 20 from being polluted, realizes holding back and high-efficient rejection to the accurate of the pollutant of aquatic lotus.
In some embodiments of the present invention, the conductive layer 21 is a metal alloy mesh, preferably a stainless steel metal mesh. The stainless steel metal net has conductivity, the structure is reliable and corrosion-resistant, electrode reaction can be carried out on nearby sewage after electrification, the contact area of the conductive layer 21 and the sewage can be increased through the net-shaped structure, and the filtering efficiency is improved. The conductive layer 21 may also be other metal alloy mesh with good conductivity and corrosion resistance, such as titanium mesh. The conductive layer 21 may also be a conductive non-metallic material, such as a carbon fiber material (graphite fiber felt, carbon fiber cloth, etc.), carbon nanotube foam.
In some embodiments of the present invention, the insulating barrier 22 is a rubber barrier or a silicone barrier. The rubber interlayer and the silica gel interlayer can effectively isolate the two electrodes, and the insulating interlayer can also be made of other insulating materials, such as porous plastic nets and filter cloth with good corrosion resistance.
In some embodiments of the present invention, the conductive separation membrane 23 is a separation membrane having conductive properties, preferably a polymer-metal composite separation membrane, such as a polypropylene-copper composite separation membrane or a polyvinylidene fluoride-nickel composite separation membrane. The polymer-metal composite separation membrane with different polymer and metal material combinations can realize accurate filtration on different sewage. The conductive separation membrane 23 may also be a polymer-nonmetal separation membrane, such as a polyvinylidene fluoride-carbon composite separation membrane, a polyethylene-carbon composite separation membrane.
In some embodiments of the present invention, the voltage level of the power supply unit 24 can be adjusted. The voltage of the power supply unit 24 can be adjusted according to the retention rate of the conductive separation membrane 23 made of different materials to the sewage under different voltages, so as to improve the filtering efficiency of the sewage.
For example, the polypropylene-copper composite separation membrane is installed on the membrane filtering device of the utility model, the Congo red solution is filtered, the voltage is adjusted from low to high, the electric field intensity is set through the adjustment voltage, and the interception rate data of the Congo red under different voltages are recorded. The test was provided by nitrogen cylinders with a test pressure set at 0.1 mpa. The results of the experiment showed that the retention was 42.86% at 0V, 54.32% at 2V, 65.50% at 7V, 87.47% at 10V, 94.12% at 15V and 99.51% at 20V.
Polyvinylidene fluoride-nickel composite separation membrane install in the utility model discloses an on the membrane filtration device, filter congo red solution, from low to high regulating voltage, through regulating voltage size in order to set up electric field strength to record the entrapment rate data to congo red under the different voltages. The test was provided by nitrogen cylinders with a test pressure set at 0.1 mpa. The results of the experiment showed that the retention was 51.33% at 0V, 55.22% at 2V, 69.19% at 7V, 85.54% at 10V, 92.34% at 15V and 97.93% at 20V. It can be seen that adjusting the voltage of the power supply unit 24 according to the characteristics of the conductive separation membrane 23 and the contaminants enables efficient filtration.
In some embodiments of the present invention, the current output direction of the power supply unit 24 can be adjusted. The current output direction of the power supply unit 24 can be adjusted during filtering, the current output direction of the power supply unit 24 can be adjusted according to the electrical characteristics of the pollutants, the pollutants are selectively subjected to anode reaction or cathode reaction, and the filtering efficiency is improved.
In some embodiments of the present invention, the position of the air inlet 32 is provided with a valve 33 capable of adjusting the air input, and the pressure in the filter cup 30 can be adjusted by adjusting the valve 33, thereby improving the filtering efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A sandwich-structured membrane filtration device, comprising:
the bottom of the filter cup is provided with a water inlet hole and an air inlet hole;
the filter cup comprises a cup mouth and a filter unit, wherein the cup mouth is provided with a conducting layer, an insulating interlayer and a conducting separation membrane which are sequentially stacked, the conducting layer is a porous conducting layer, and the insulating interlayer is a porous insulating layer;
and the anode of the power supply unit is connected with the conductive layer, and the cathode of the power supply unit is connected with the conductive separation membrane.
2. The sandwich structure membrane filter device of claim 1, wherein the conductive layer is a metal alloy mesh.
3. The sandwich structure membrane filter unit of claim 2, wherein the metal alloy mesh is a stainless steel metal mesh.
4. The sandwich structure membrane filter unit according to any one of claims 1 to 3, wherein the insulating barrier is a rubber barrier or a silica gel barrier.
5. The sandwich structure membrane filter device according to any one of claims 1 to 3, wherein the conductive separation membrane is a polymer-metal composite separation membrane.
6. The sandwich structure membrane filtration device according to claim 5, wherein said polymer-metal composite separation membrane is a polypropylene-copper composite separation membrane or a polyvinylidene fluoride-nickel composite separation membrane.
7. The sandwich structure membrane filter device according to any one of claims 1 to 3, wherein the voltage magnitude of the power supply unit is adjustable, and/or the current output direction of the power supply unit is adjustable.
8. The sandwich structure membrane filter unit according to any one of claims 1 to 3, wherein the position of the air inlet hole is provided with a valve capable of adjusting the amount of air inflow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928479.3U CN210635770U (en) | 2019-06-19 | 2019-06-19 | Sandwich structure membrane filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928479.3U CN210635770U (en) | 2019-06-19 | 2019-06-19 | Sandwich structure membrane filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210635770U true CN210635770U (en) | 2020-05-29 |
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| CN201920928479.3U Expired - Fee Related CN210635770U (en) | 2019-06-19 | 2019-06-19 | Sandwich structure membrane filter equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999372A (en) * | 2022-12-27 | 2023-04-25 | 佛山市麦克罗美的滤芯设备制造有限公司 | Membrane element, manufacturing method thereof, filter element and water purification system |
-
2019
- 2019-06-19 CN CN201920928479.3U patent/CN210635770U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115999372A (en) * | 2022-12-27 | 2023-04-25 | 佛山市麦克罗美的滤芯设备制造有限公司 | Membrane element, manufacturing method thereof, filter element and water purification system |
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Granted publication date: 20200529 |
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