CN214299658U - Electric flocculation membrane reactor - Google Patents
Electric flocculation membrane reactor Download PDFInfo
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- CN214299658U CN214299658U CN202120005743.3U CN202120005743U CN214299658U CN 214299658 U CN214299658 U CN 214299658U CN 202120005743 U CN202120005743 U CN 202120005743U CN 214299658 U CN214299658 U CN 214299658U
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- Prior art keywords
- hollow fiber
- arc
- cylinder
- fiber membrane
- embedded
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- 239000012528 membrane Substances 0.000 title claims abstract description 88
- 238000005189 flocculation Methods 0.000 title abstract description 5
- 230000016615 flocculation Effects 0.000 title abstract description 5
- 239000012510 hollow fiber Substances 0.000 claims abstract description 48
- 239000010865 sewage Substances 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000005868 electrolysis reaction Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 239000008151 electrolyte solution Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000009297 electrocoagulation Methods 0.000 abstract 1
- 238000000108 ultra-filtration Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 229910001388 sodium aluminate Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000002158 endotoxin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model provides an electrocoagulation film reactor. The electrolytic flocculation membrane reactor comprises a cylinder, a PAN hollow fiber membrane component and an electrolytic component, wherein the PAN hollow fiber membrane component is embedded in the cylinder, oily sewage is filtered through the PAN hollow fiber membrane component, the electrolytic component is installed on the inner wall of the cylinder and comprises an arc-shaped aluminum polar plate and an arc-shaped copper polar plate, a plurality of embedding grooves with the same specification are formed in the outer ring wall of the arc-shaped aluminum polar plate, the arc-shaped copper polar plate is fixedly embedded in each embedding groove, the outer ring wall of the arc-shaped aluminum polar plate is fixedly embedded in the inner cylinder wall of the cylinder, two groups of electrolytic components which are symmetrically distributed are arranged in the cylinder, the arc-shaped aluminum polar plate and the arc-shaped copper polar plate in the electrolytic component are electrically connected with an operating circuit embedded in the cylinder, and the electrolytic component is subjected to electrolytic reaction through the operating circuit. The utility model provides an electroflocculation membrane reactor produces the advantage of membrane pollution when reducing hollow fiber membrane treatment oily sewage.
Description
Technical Field
The utility model relates to an oily sewage treatment technical field especially relates to an electric flocculation membrane reactor.
Background
The hollow fiber membrane component is an asymmetric (non-uniform) self-supporting filter membrane, and can be back-flushed, so that the cross-flow filtration mode can obtain the maximum benefit. This geometric configuration of the hollow fibers maximizes the membrane surface area in the smallest space. The method is divided into two filter membrane forms of internal pressure type and external pressure type. Comprises a microfiltration membrane component, an ultrafiltration membrane component and a nanofiltration membrane component. Ultrafiltration (UF) is a pressure-driven membrane separation process that is a process based on selective barrier action to separate particles and macromolecular organic matter from a fluid to achieve purification. The ultrafiltration membrane has ultrahigh removal efficiency on macromolecular organic matters, colloids, algae, bacteria, viruses, endotoxins, particles and other substances.
In the process of membrane filtration, microparticles, colloidal particles or solute macromolecules in water are adsorbed and deposited on the surface or in membrane pores due to the physical and chemical interaction or mechanical action with the membrane to reduce or block the membrane pore size, so that the membrane generates an irreversible change phenomenon of permeation flow and separation characteristics.
Ultrafiltration membranes (UF) are commonly used for the treatment of oily wastewater, but the problem of membrane fouling has always affected the performance of ultrafiltration membranes in treating wastewater, resulting in a decrease in the efficiency of the hollow fiber membrane module in treating wastewater and affecting the service life thereof.
Therefore, there is a need to provide a new electroflocculation membrane reactor to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an electroflocculation membrane reactor which can reduce membrane pollution generated when the hollow fiber membrane is used for treating oily sewage.
The utility model provides an electroflocculation membrane reactor includes: the PAN hollow fiber membrane component is embedded in the cylinder body, oily sewage is filtered through the PAN hollow fiber membrane component, the electrolysis component is installed on the inner wall of the cylinder body and comprises an arc-shaped aluminum polar plate and an arc-shaped copper polar plate, a plurality of embedding grooves with the same specification are formed in the outer ring wall of the arc-shaped aluminum polar plate, the arc-shaped copper polar plate is fixedly embedded in each embedding groove, and the outer ring wall of the arc-shaped aluminum polar plate is fixedly embedded in the inner cylinder wall of the cylinder body.
Preferably, the PAN hollow fiber membrane module comprises a shell, a blocking frame and a hollow fiber membrane, the shell is embedded in the cylinder and coaxially arranged with the cylinder, the blocking frame is fixedly installed in the shell, and the blocking frame is embedded with a plurality of hollow fiber membranes which are uniformly distributed.
Preferably, the barrier frame is made of one of polyethylene, polystyrene, ethylene propylene diene monomer, polyurethane and elastic resin.
Preferably, the hollow fiber membrane is wrapped by a protective sleeve, and the protective sleeve is made of one of plastic, rubber and non-woven fabrics.
Preferably, two sets of electrolysis assemblies which are symmetrically distributed are arranged in the cylinder, and the arc-shaped aluminum electrode plate and the arc-shaped copper electrode plate in the electrolysis assemblies are electrically connected with the operation circuit embedded in the cylinder, so that the electrolysis assemblies carry out electrolysis reaction through the operation circuit.
Preferably, the gap between the cylinder and the PAN hollow fiber membrane module forms an annular cavity, and the annular cavity is filled with a sufficient amount of electrolyte solution.
Preferably, a water inlet pipe and a water outlet pipe are respectively and fixedly installed on two sides of the shell in the PAN hollow fiber membrane module, and the water inlet pipe and the water outlet pipe respectively extend out of the cylinder.
Compared with the prior art, the utility model provides an electroflocculation membrane reactor has following beneficial effect:
1. the PAN hollow fiber membrane component is arranged in an electric field between the electrolytic components so as to reduce membrane pollution generated when the ultrafiltration membrane is used for treating oily sewage;
2. the utility model discloses utilize the hollow fiber membrane among the PAN hollow fiber membrane subassembly to filter the water liquid that contains the greasy dirt, the sewage after the filtration is arranged outward from the drain pipe, consequently purifies, strains the chemical treatment to oily sewage.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of an electroflocculation membrane reactor according to the present invention;
FIG. 2 is a schematic view of the cartridge shown in FIG. 1, partially in section;
fig. 3 is a schematic structural view of the PAN hollow fiber membrane module shown in fig. 2.
Reference numbers in the figures: 1. a barrel; 2. a PAN hollow fiber membrane module; 21. a housing; 22. a barrier frame; 23. a hollow fiber membrane; 3. an annular cavity; 4. an electrolytic assembly; 41. an arc-shaped aluminum pole plate; 42. an arc-shaped copper polar plate; 5. a water inlet pipe; 6. and a water discharge pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of an electroflocculation membrane reactor according to the present invention; FIG. 2 is a schematic view of the cartridge shown in FIG. 1, partially in section; fig. 3 is a schematic structural view of the PAN hollow fiber membrane module shown in fig. 2. The PAN hollow fiber membrane module comprises: a cylinder 1, a PAN hollow fiber membrane module 2 and an electrolytic module 4.
In the specific implementation process, as shown in fig. 1 and 2, a PAN hollow fiber membrane module 2 is embedded in a cylinder 1, and the PAN hollow fiber membrane module 2 is used for filtering oily sewage, and the PAN hollow fiber membrane module 2 includes a shell 21, a blocking frame 22 and a hollow fiber membrane 23, the shell 21 is embedded in the cylinder 1 and is coaxially arranged with the cylinder 1, the blocking frame 22 is fixedly installed in the shell 21, a plurality of uniformly distributed hollow fiber membranes 23 are embedded in the blocking frame 22, a water inlet pipe 5 and a water outlet pipe 6 are respectively fixedly installed on two sides of the shell 21 in the PAN hollow fiber membrane module 2, and the water inlet pipe 5 and the water outlet pipe 6 respectively extend out of the cylinder 1.
It should be noted that: the barrel 1 is fixedly arranged in a treatment workshop through a bracket, a water inlet pipe 5 is communicated with a water outlet containing sewage by using a connecting pipeline, a water outlet pipe 6 is communicated with a water inlet of subsequent treatment equipment, and specifically control valves are arranged on the water inlet pipe 5 and the water outlet pipe 6;
and opening a control valve of the water inlet pipe 5 to discharge the oily sewage from the water inlet pipe 5 to the shell 21, filtering the water liquid containing the oil stain by using the hollow fiber membrane 23 in the PAN hollow fiber membrane component 2, and discharging the filtered sewage from the water discharge pipe 6, thereby purifying and filtering the oily sewage.
The separation frame 22 is made of one of polyethylene, polystyrene, ethylene propylene diene monomer, polyurethane and elastic resin, the hollow fiber membrane 23 is wrapped with a protective sleeve, and the protective sleeve is made of one of plastic, rubber and non-woven fabrics.
Referring to fig. 1, the electrolytic assembly 4 is installed on the inner wall of the barrel 1, and the electrolytic assembly 4 includes an arc-shaped aluminum electrode plate 41 and an arc-shaped copper electrode plate 42, a plurality of embedding grooves with the same specification are formed on the outer ring wall of the arc-shaped aluminum electrode plate 41, and an arc-shaped copper electrode plate 42 is fixedly embedded in each embedding groove, the outer ring wall of the arc-shaped aluminum electrode plate 41 is fixedly embedded on the inner barrel wall of the barrel 1, two groups of electrolytic assemblies 4 which are symmetrically distributed are arranged in the barrel 1, and the arc-shaped aluminum electrode plate 41 and the arc-shaped copper electrode plate 42 in the electrolytic assembly 4 are electrically connected with an operating circuit embedded in the barrel 1, so that the electrolytic assembly 4 performs electrolytic reaction through the operating circuit;
and the gap between the cylinder 1 and the PAN hollow fiber membrane module 2 forms an annular cavity 3, and the annular cavity 3 is filled with sufficient electrolyte solution, wherein the electrolyte solution adopts 2NaOH solution.
It should be noted that: and starting the operation circuit to enable the arc-shaped aluminum electrode plate 41 and the arc-shaped copper electrode plate 42 to perform an electrolytic reaction in the electrolyte solution: 2Al +2NaOH +2H2O ═ 2NaAlO2+3H2 ═ 2; the reaction formula of the negative electrode is as follows: 2Al-6e- +8OH- ═ 2AlO2- +4H2O, and the positive reaction formula is as follows: 6H2O +6e- ═ 3H2 ═ 6 OH-; and NaAlO2 can reduce the hardness of water and accelerate the sedimentation of suspended solids, and can effectively treat the sediment on membrane pollution, so as to reduce the membrane pollution generated when the hollow fiber membrane 23 treats oily sewage, increase the sewage treatment efficiency of the device and prolong the service life of the device.
The utility model provides an electric flocculation membrane reactor's theory of operation as follows:
the barrel 1 is fixedly arranged in a treatment workshop through a bracket, a water inlet pipe 5 is communicated with a water outlet containing sewage by using a connecting pipeline, a water outlet pipe 6 is communicated with a water inlet of subsequent treatment equipment, and specifically control valves are arranged on the water inlet pipe 5 and the water outlet pipe 6; opening the control valve of the water inlet pipe 5, discharging oily sewage from the water inlet pipe 5 to the shell 21, filtering the water liquid containing oil stains by using the hollow fiber membrane 23 in the PAN hollow fiber membrane component 2, discharging the filtered sewage from the water discharge pipe 6, purifying and filtering the oily sewage, and opening the operation circuit to make the arc-shaped aluminum pole plate 41 and the arc-shaped copper pole plate 42 perform electrolytic reaction in the electrolyte solution: 2Al +2NaOH +2H2O ═ 2NaAlO2+3H2 ═ 2; the reaction formula of the negative electrode is as follows: 2Al-6e- +8OH- ═ 2AlO2- +4H2O, and the positive reaction formula is as follows: 6H2O +6e- ═ 3H2 ═ 6 OH-; and NaAlO2 can reduce the hardness of water and accelerate the sedimentation of suspended solids, and can effectively treat the sediment on membrane pollution, so as to reduce the membrane pollution generated when the hollow fiber membrane 23 treats oily sewage, increase the sewage treatment efficiency of the device and prolong the service life of the device.
The utility model discloses circuit and control that relate to are prior art, do not carry out too much repetition here.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.
Claims (7)
1. An electroflocculation membrane reactor, comprising:
a cylinder (1);
a PAN hollow fiber membrane module (2) which is embedded in the cylinder (1) in the PAN hollow fiber membrane module (2) and which performs filtration treatment on the oily sewage through the PAN hollow fiber membrane module (2);
the electrolytic component (4) is installed on the inner wall of the barrel body (1), the electrolytic component (4) comprises arc-shaped aluminum pole plates (41) and arc-shaped copper pole plates (42), a plurality of embedded grooves with the same specification are formed in the outer ring wall of each arc-shaped aluminum pole plate (41), each embedded groove is fixedly embedded with each arc-shaped copper pole plate (42), and the outer ring wall of each arc-shaped aluminum pole plate (41) is fixedly embedded on the inner barrel wall of the barrel body (1).
2. The electroflocculation membrane reactor according to claim 1, wherein the PAN hollow fiber membrane module (2) comprises a shell (21), a blocking frame (22) and a hollow fiber membrane (23), the shell (21) is internally embedded in the cylinder (1) and coaxially arranged with the cylinder (1), the blocking frame (22) is fixedly installed in the shell (21), and the blocking frame (22) is embedded with a plurality of uniformly distributed hollow fiber membranes (23).
3. The electroflocculation membrane reactor according to claim 2, wherein the barrier frame (22) is one of polyethylene, polystyrene, epdm, polyurethane, and elastomeric resin.
4. The electroflocculation membrane reactor according to claim 2, wherein the hollow fiber membranes (23) are coated with a protective sheath, and the protective sheath is one of plastic, rubber and non-woven fabric.
5. The electroflocculation membrane reactor according to claim 1, wherein two sets of symmetrically distributed electrolysis modules (4) are arranged in the cylinder (1), and the arc-shaped aluminum electrode plates (41) and the arc-shaped copper electrode plates (42) in the electrolysis modules (4) are electrically connected with an operating circuit embedded in the cylinder (1), so that the electrolysis modules (4) perform electrolysis reaction through the operating circuit.
6. The electroflocculation membrane reactor according to claim 1, wherein the gap between the cylinder (1) and the PAN hollow fiber membrane module (2) constitutes an annular chamber (3), and the annular chamber (3) is filled with a sufficient amount of electrolyte solution.
7. The electroflocculation membrane reactor according to claim 2, wherein a water inlet pipe (5) and a water outlet pipe (6) are fixedly installed at both sides of the shell (21) in the PAN hollow fiber membrane module (2), respectively, and the water inlet pipe (5) and the water outlet pipe (6) extend out of the cylinder (1), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120005743.3U CN214299658U (en) | 2021-01-04 | 2021-01-04 | Electric flocculation membrane reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120005743.3U CN214299658U (en) | 2021-01-04 | 2021-01-04 | Electric flocculation membrane reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214299658U true CN214299658U (en) | 2021-09-28 |
Family
ID=77822381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120005743.3U Expired - Fee Related CN214299658U (en) | 2021-01-04 | 2021-01-04 | Electric flocculation membrane reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214299658U (en) |
-
2021
- 2021-01-04 CN CN202120005743.3U patent/CN214299658U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |