CN113526982A - Method and device for manufacturing ceramic membrane, electronic equipment and storage medium - Google Patents
Method and device for manufacturing ceramic membrane, electronic equipment and storage medium Download PDFInfo
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- CN113526982A CN113526982A CN202110866565.8A CN202110866565A CN113526982A CN 113526982 A CN113526982 A CN 113526982A CN 202110866565 A CN202110866565 A CN 202110866565A CN 113526982 A CN113526982 A CN 113526982A
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- 239000012528 membrane Substances 0.000 title claims abstract description 203
- 239000000919 ceramic Substances 0.000 title claims abstract description 200
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000003860 storage Methods 0.000 title claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000007598 dipping method Methods 0.000 claims abstract description 26
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 229910001960 metal nitrate Inorganic materials 0.000 claims description 28
- 230000001680 brushing effect Effects 0.000 claims description 19
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 claims description 12
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 claims description 11
- 229910001981 cobalt nitrate Inorganic materials 0.000 claims description 11
- 239000008139 complexing agent Substances 0.000 claims description 11
- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 abstract description 12
- 230000023556 desulfurization Effects 0.000 abstract description 12
- 239000002351 wastewater Substances 0.000 abstract description 12
- 230000008569 process Effects 0.000 description 8
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 150000004706 metal oxides Chemical group 0.000 description 4
- 239000002105 nanoparticle Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910052596 spinel Inorganic materials 0.000 description 3
- 239000011029 spinel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000002082 metal nanoparticle Substances 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021642 ultra pure water Inorganic materials 0.000 description 2
- 239000012498 ultrapure water Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910016526 CuMn2O4 Inorganic materials 0.000 description 1
- 230000010718 Oxidation Activity Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001614 effect on membrane Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/0072—Heat treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a method and a device for manufacturing a ceramic membrane, electronic equipment and a storage medium, wherein the method comprises the following steps: the method comprises the steps of obtaining the concentration and the type of a target modified sol, preparing the target modified sol according to the concentration and the type, coating the target modified sol on a ceramic membrane by using a dipping method or a brush coating method to obtain a target ceramic membrane, carrying out heat treatment on the target ceramic membrane, and naturally cooling to obtain the anti-fouling modified ceramic membrane. The anti-pollution modified ceramic membrane is manufactured, so that the anti-pollution capacity of the ceramic membrane for treating the desulfurization wastewater is improved.
Description
Technical Field
The invention relates to the field of membrane water treatment, in particular to a method and a device for manufacturing a ceramic membrane, electronic equipment and a storage medium.
Background
The desulfurization wastewater is wastewater generated at the tail end of a power plant, is complex in composition and contains various heavy metals and salts, although the content of the heavy metals is not large, if the desulfurization wastewater is directly discharged, serious pollution of a water body is caused, a triple-box method is usually used for treating the desulfurization wastewater, the method has large floor area, a large amount of added chemicals and poor treatment effect on the salts, high-concentration chloride ions (usually about 20000 mg/L) contained in the desulfurization wastewater can cause corrosion of equipment, and the direct discharge can also cause pollution to the environment.
At present, there are many new methods for treating desulfurization waste water, such as electrolysis method, flue evaporation method and membrane treatment method, wherein membrane treatment is a new treatment method, and several membrane types commonly used at present are: organic membrane, ceramic membrane, tubular membrane, hollow membrane, etc., wherein the ceramic membrane is widely applied because of its high stability, the ceramic membrane mainly comprises alumina and zirconia materials, and the separation modes of microfiltration, ultrafiltration, nanofiltration, etc. in the membrane separation field are also widely applied. The membrane treatment method has many advantages, such as low equipment investment cost, small equipment floor area, high membrane technology removal efficiency, high treatment degree, strong sewage purification capacity, and excellent removal rate in the aspects of chromaticity and turbidity compared with the conventional method. However, the existing membrane treatment technology has some outstanding disadvantages, such as high price of the ceramic membrane module, poor pollution resistance of the ceramic membrane, and the need of continuous back washing to maintain membrane flux.
Therefore, in order to improve the anti-pollution capability of the ceramic membrane for treating the desulfurization wastewater and solve the technical problem that the existing ceramic membrane for treating the desulfurization wastewater has poor anti-pollution capability, a method for manufacturing a ceramic membrane is urgently needed.
Disclosure of Invention
The invention provides a ceramic membrane manufacturing method, a ceramic membrane manufacturing device, electronic equipment and a storage medium, and solves the technical problem that the existing ceramic membrane for treating desulfurization wastewater has poor pollution resistance.
In a first aspect, the present invention provides a method for manufacturing a ceramic film, comprising:
obtaining the concentration and the type of the target modified sol; the target modified sol is formed by adding different metal nitrates and complexing agents into a solvent and mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate;
preparing target modified sol according to the concentration and the type;
coating the target modified sol on a ceramic membrane by using a dipping method or a brushing method to obtain a target ceramic membrane;
and carrying out heat treatment on the target ceramic membrane, and naturally cooling to obtain the anti-fouling modified ceramic membrane.
Optionally, the impregnation method comprises:
soaking the ceramic membrane in the target modified sol for a first preset period to obtain a semi-finished target ceramic membrane;
and drying the semi-finished target ceramic membrane to obtain the target ceramic membrane.
Optionally, the brushing method comprises:
dipping the target modified sol with a preset volume by using a brush, and uniformly brushing the target modified sol on the surface of the ceramic membrane until no liquid remains on the surface of the ceramic membrane, thereby obtaining a semi-finished target ceramic membrane;
and brushing the semi-finished target ceramic membrane twice or three times to obtain the target ceramic membrane.
Optionally, the step of performing heat treatment on the target ceramic membrane, and naturally cooling to obtain the anti-fouling modified ceramic membrane comprises the following steps:
heating the target ceramic membrane to a preset temperature according to a preset heating rate, and keeping the temperature for a second preset period to obtain a heated target ceramic membrane;
and naturally cooling the heated target ceramic membrane to room temperature to obtain the anti-fouling modified ceramic membrane.
In a second aspect, the present invention provides an apparatus for manufacturing a ceramic film, comprising:
the acquisition module is used for acquiring the concentration and the type of the target modified sol; the target modified sol is formed by adding different metal nitrates and complexing agents into a solvent and mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate;
the preparation module is used for preparing target modified sol according to the concentration and the type;
the coating module is used for coating the target modified sol on a ceramic membrane by using a dipping method or a brush coating method to obtain a target ceramic membrane;
and the processing module is used for carrying out heat treatment on the target ceramic membrane and naturally cooling to obtain the anti-fouling modified ceramic membrane.
Optionally, the coating module comprises:
the dipping submodule is used for dipping the ceramic membrane in the target modified sol for a first preset period to obtain a semi-finished target ceramic membrane;
and the drying submodule is used for drying the semi-finished target ceramic membrane to obtain the target ceramic membrane.
Optionally, the coating module comprises:
the brush coating submodule is used for dipping the target modified sol with a preset volume by using a brush, and uniformly brushing the target modified sol on the surface of the ceramic membrane until no liquid is left on the surface of the ceramic membrane, so that a semi-finished target ceramic membrane is obtained;
and repeating the sub-modules for brushing the semi-finished target ceramic membrane for two or three times to obtain the target ceramic membrane.
Optionally, the processing module includes:
the heating submodule is used for heating the target ceramic membrane to a preset temperature according to a preset heating rate, and keeping the temperature for a second preset period to obtain a heated target ceramic membrane;
and the cooling submodule is used for naturally cooling the heated target ceramic membrane to room temperature to obtain the anti-fouling modified ceramic membrane.
In a third aspect, the present application provides an electronic device comprising a processor and a memory, wherein the memory stores computer readable instructions, and the computer readable instructions, when executed by the processor, perform the steps of the method as provided in the first aspect.
In a fourth aspect, the present application provides a storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method as provided in the first aspect above.
According to the technical scheme, the invention has the following advantages: the invention provides a method for manufacturing a ceramic membrane, which comprises the steps of obtaining the concentration and the type of a target modified sol, preparing the target modified sol according to the concentration and the type, coating the target modified sol on the ceramic membrane by using a dipping method or a brush coating method to obtain the target ceramic membrane, carrying out heat treatment on the target ceramic membrane, and naturally cooling to obtain an anti-pollution modified ceramic membrane.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a flow chart of a first embodiment of a method for manufacturing a ceramic film according to the present invention;
FIG. 2 is a flow chart of a second embodiment of the method for manufacturing a ceramic film according to the present invention;
FIG. 3 is a comparison of the anti-fouling modified ceramic membrane of the present invention before and after preparation;
fig. 4 is a block diagram illustrating an embodiment of an apparatus for manufacturing a ceramic film according to the present invention.
Detailed Description
The embodiment of the invention provides a ceramic membrane manufacturing method, a ceramic membrane manufacturing device, electronic equipment and a storage medium, which are used for solving the technical problem that the pollution resistance of the conventional ceramic membrane for treating desulfurization wastewater is poor.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a first embodiment, referring to fig. 1, fig. 1 is a flowchart illustrating a first process of manufacturing a ceramic film according to a first embodiment of the present invention, including:
step S101, obtaining the concentration and the type of target modified sol; the target modified sol is formed by adding different metal nitrates and complexing agents into a solvent and mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate;
the target modified sol is prepared by adding different metal nitrates and complexing agents into a solvent, mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate.
After the metal nitrate of the modified sol is added into the citrate, due to the complexation, a composite structure can be formed between every two metal nitrates, a spinel structure can be formed under the high-temperature calcination, the structure has better stability, and meanwhile, the metal nitrate can play a better modifying role on a ceramic membrane.
Step S102, preparing target modified sol according to the concentration and the type;
step S103, coating the target modified sol on a ceramic membrane by using a dipping method or a brush coating method to obtain a target ceramic membrane;
the ceramic film may include one or more of an alumina ceramic film and a zirconia ceramic film.
And step S104, carrying out heat treatment on the target ceramic membrane, and naturally cooling to obtain the anti-fouling modified ceramic membrane.
According to the manufacturing method of the ceramic membrane, provided by the embodiment of the invention, the concentration and the type of the target modified sol are obtained, the target modified sol is prepared according to the concentration and the type, the target modified sol is coated on the ceramic membrane by using a dipping method or a brush coating method to obtain the target ceramic membrane, the target ceramic membrane is subjected to heat treatment, and the antifouling modified ceramic membrane is obtained after natural cooling.
In a second embodiment, referring to fig. 2, fig. 2 is a flowchart illustrating a method for manufacturing a ceramic film according to the present invention, including:
step S201, obtaining the concentration and the type of target modified sol; the target modified sol is formed by adding different metal nitrates and complexing agents into a solvent and mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate;
in the embodiment of the invention, different concentrations and types of the target modified sol are determined and obtained according to requirements.
In the specific implementation, the target modified sol is prepared by adding different metal nitrates and complexing agents into a solvent, mixing and stirring; the different kinds of metal nitrates include any two of copper nitrate, manganese nitrate and cobalt nitrate.
Step S202, preparing target modified sol according to the concentration and the type;
in the embodiment of the invention, the formula of the target modified sol is determined based on the concentration and the type, and the target modified sol is prepared.
In the specific implementation, the target modified sol is prepared by adding different metal nitrates and complexing agents into a solvent, mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate; the molar ratio of copper nitrate to manganese nitrate is 1:2/2:1, and the molar ratio of cobalt nitrate to manganese nitrate is 1:2/2: 1; the complexing agent is citrate with a certain molar ratio, and the solvent is ultrapure water; the molar ratio of citrate to metal nitrate was 10:1, and the molar ratio of ultrapure water to citrate was 4: 1.
The metal nitrate is a sol substance formed by two salts under the complexing action of citrate, the metal oxide structure formed at high temperature is a spinel structure, namely an AB2O4 structure, such as CuMn2O4 or CoMn2O4, and the spinel metal oxide has the advantages of strong oxidation activity, adjustability, good stability, capability of inhibiting heavy metal ions from overflowing, multiple electron transfer paths, high efficiency and the like, and meanwhile, the-OH group of the modified metal oxide loaded on the ceramic membrane can enhance the hydrophilicity of the ceramic membrane, so that the pollution resistance of the ceramic membrane is enhanced, and the reversibility of pollution of the ceramic membrane is enhanced.
After the citrate is added into the metal nitrate, the metal nitrate complex can generate a complex reaction under the condition of violent stirring, and under the method, the formed metal nitrate complex can reach the nano-scale degree, and the nano-particles are applied to the modification of the inorganic ceramic membrane, so that the high-degree control effect on membrane pollution can be achieved, and more ideal structural and functional characteristics can be generated. After the nano-scale particles are loaded on the surface of the membrane, the nano-scale particles can be better attached to the membrane pores, and the loaded nano-scale particles can homogenize the membrane pores, so that the anti-pollution capacity of the membrane is effectively improved.
The modified sol synthesized by the method can be simply synthesized under laboratory conditions, the synthesis conditions are easy to control, and meanwhile, in the process of modifying the ceramic membrane by using the modified sol, because the metal nano-particles for modification are formed in the process of calcining the sol at high temperature, the metal nano-particles have good adhesiveness on the membrane and are difficult to fall off, the uniformity is good, and the crystallinity, the crystal phase, the particle size and the like of the modified metal oxide particles can be regulated and controlled by controlling the temperature change process in the calcining stage, so that the coating is difficult to crack and disintegrate.
Step S203, coating the target modified sol on a ceramic membrane by using a dipping method or a brushing method to obtain a target ceramic membrane;
in an alternative embodiment, the impregnation method comprises:
soaking the ceramic membrane in the target modified sol for a first preset period to obtain a semi-finished target ceramic membrane;
and drying the semi-finished target ceramic membrane to obtain the target ceramic membrane.
In the embodiment of the invention, the ceramic membrane is immersed in the target modified sol for a first preset period, and then taken out and dried to obtain the target ceramic membrane.
In an alternative embodiment, the brushing process comprises:
dipping the target modified sol with a preset volume by using a brush, and uniformly brushing the target modified sol on the surface of the ceramic membrane until no liquid remains on the surface of the ceramic membrane, thereby obtaining a semi-finished target ceramic membrane;
and brushing the semi-finished target ceramic membrane twice or three times to obtain the target ceramic membrane.
In the embodiment of the invention, a brush is used for dipping the target modified sol with a preset volume, the target modified sol is uniformly coated on the surface of the ceramic membrane until no liquid remains on the surface of the ceramic membrane, and the coating is repeated for multiple times to obtain the target ceramic membrane.
In a specific implementation, the target modified sol can be coated on the ceramic membrane by using a dipping method or a brushing method to form the target ceramic membrane.
The dipping method is to dip the ceramic membrane into the target modified sol for 30-60 min, then take out and dry the ceramic membrane to obtain the target ceramic membrane.
And the brush coating method is to dip the target modified sol with a preset volume by using a brush, uniformly brush-coat the target modified sol on the surface of the ceramic membrane until no liquid remains on the surface of the ceramic membrane, and repeatedly brush-coat for 1-3 times to obtain the target ceramic membrane.
Step S204, heating the target ceramic membrane to a preset temperature according to a preset heating rate, and keeping the temperature for a second preset period to obtain a heated target ceramic membrane;
in the embodiment of the invention, the target ceramic membrane is kept at a certain heating rate and is heated to the preset temperature, and the temperature is maintained for a second preset period, so that the heated target ceramic membrane is obtained.
In the specific implementation, the temperature of the coated ceramic membrane is raised to 450-750 ℃ at the speed of 2 ℃/min, and then the temperature is maintained for 4h to obtain the heated coated ceramic membrane.
Step S205, naturally cooling the heated target ceramic membrane to room temperature to obtain an anti-fouling modified ceramic membrane;
in the embodiment of the invention, the heated target ceramic membrane is naturally cooled to room temperature to obtain the anti-fouling modified ceramic membrane.
In the specific implementation, please refer to fig. 3, fig. 3 is a comparison diagram before and after the preparation of the anti-fouling modified ceramic membrane of the present invention, wherein 301 is a common ceramic membrane before modification, and 302 is a modified anti-fouling modified ceramic membrane after modification; the anti-fouling modified ceramic membrane is used for the pretreatment of desulfurization wastewater, particularly for intercepting insoluble solids in the microfiltration treatment process, reducing the chroma turbidity, and simultaneously ensuring the stability of pure water flux and the like.
The anti-fouling modified ceramic membrane has the characteristics of simple preparation process and low raw material cost, has high stability, high anti-fouling performance, good pollution reversibility and the like, and can be widely used for wastewater treatment, especially for devices for desulfurization wastewater treatment.
According to the manufacturing method of the ceramic membrane, provided by the embodiment of the invention, the concentration and the type of the target modified sol are obtained, the target modified sol is prepared according to the concentration and the type, the target modified sol is coated on the ceramic membrane by using a dipping method or a brush coating method to obtain the target ceramic membrane, the target ceramic membrane is subjected to heat treatment, and the antifouling modified ceramic membrane is obtained after natural cooling.
Referring to fig. 4, fig. 4 is a block diagram illustrating an embodiment of a ceramic film manufacturing apparatus according to the present invention, including:
an obtaining module 401, configured to obtain a concentration and a type of a target modified sol; the target modified sol is formed by adding different metal nitrates and complexing agents into a solvent and mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate;
a preparation module 402, configured to prepare a target modified sol according to the concentration and the type;
the coating module 403 is configured to coat the target modified sol on a ceramic membrane by using a dipping method or a brush coating method to obtain a target ceramic membrane;
and the processing module 404 is used for performing heat treatment on the target ceramic membrane, and naturally cooling to obtain the anti-fouling modified ceramic membrane.
In an alternative embodiment, the coating module 403 includes:
the dipping submodule is used for dipping the ceramic membrane in the target modified sol for a first preset period to obtain a semi-finished target ceramic membrane;
and the drying submodule is used for drying the semi-finished target ceramic membrane to obtain the target ceramic membrane.
In an alternative embodiment, the coating module 403 includes:
the brush coating submodule is used for dipping the target modified sol with a preset volume by using a brush, and uniformly brushing the target modified sol on the surface of the ceramic membrane until no liquid is left on the surface of the ceramic membrane, so that a semi-finished target ceramic membrane is obtained;
and repeating the sub-modules for brushing the semi-finished target ceramic membrane for two or three times to obtain the target ceramic membrane.
In an alternative embodiment, the processing module 404 includes:
the heating submodule is used for heating the target ceramic membrane to a preset temperature according to a preset heating rate, and keeping the temperature for a second preset period to obtain a heated target ceramic membrane;
and the cooling submodule is used for naturally cooling the heated target ceramic membrane to room temperature to obtain the anti-fouling modified ceramic membrane.
An embodiment of the present invention further provides an electronic device, which includes a memory and a processor, wherein the memory stores a computer program, and when the computer program is executed by the processor, the processor executes the steps of the method for manufacturing a ceramic film according to any one of the above embodiments.
Embodiments of the present invention further provide a computer storage medium, on which a computer program is stored, wherein the computer program, when executed by the processor, implements the method for manufacturing a ceramic film according to any of the above embodiments.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the method, apparatus, electronic device and storage medium disclosed in the present application may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a readable storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned readable storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for manufacturing a ceramic film, comprising:
obtaining the concentration and the type of the target modified sol; the target modified sol is formed by adding different metal nitrates and complexing agents into a solvent and mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate;
preparing target modified sol according to the concentration and the type;
coating the target modified sol on a ceramic membrane by using a dipping method or a brushing method to obtain a target ceramic membrane;
and carrying out heat treatment on the target ceramic membrane, and naturally cooling to obtain the anti-fouling modified ceramic membrane.
2. A method for producing a ceramic membrane according to claim 1, wherein the impregnation method comprises:
soaking the ceramic membrane in the target modified sol for a first preset period to obtain a semi-finished target ceramic membrane;
and drying the semi-finished target ceramic membrane to obtain the target ceramic membrane.
3. A method of manufacturing a ceramic membrane according to claim 1, wherein the brushing method comprises:
dipping the target modified sol with a preset volume by using a brush, and uniformly brushing the target modified sol on the surface of the ceramic membrane until no liquid remains on the surface of the ceramic membrane, thereby obtaining a semi-finished target ceramic membrane;
and brushing the semi-finished target ceramic membrane twice or three times to obtain the target ceramic membrane.
4. A method for producing a ceramic membrane according to any one of claims 1 to 3, wherein the target ceramic membrane is subjected to a heat treatment, and the temperature of the target ceramic membrane is naturally reduced to obtain an antifouling modified ceramic membrane, comprising:
heating the target ceramic membrane to a preset temperature according to a preset heating rate, and keeping the temperature for a second preset period to obtain a heated target ceramic membrane;
and naturally cooling the heated target ceramic membrane to room temperature to obtain the anti-fouling modified ceramic membrane.
5. A ceramic film manufacturing apparatus, comprising:
the acquisition module is used for acquiring the concentration and the type of the target modified sol; the target modified sol is formed by adding different metal nitrates and complexing agents into a solvent and mixing and stirring; the different kinds of metal nitrates comprise any two of copper nitrate, manganese nitrate and cobalt nitrate;
the preparation module is used for preparing target modified sol according to the concentration and the type;
the coating module is used for coating the target modified sol on a ceramic membrane by using a dipping method or a brush coating method to obtain a target ceramic membrane;
and the processing module is used for carrying out heat treatment on the target ceramic membrane and naturally cooling to obtain the anti-fouling modified ceramic membrane.
6. A ceramic membrane fabrication device as claimed in claim 5, wherein the coating module comprises:
the dipping submodule is used for dipping the ceramic membrane in the target modified sol for a first preset period to obtain a semi-finished target ceramic membrane;
and the drying submodule is used for drying the semi-finished target ceramic membrane to obtain the target ceramic membrane.
7. A ceramic membrane fabrication device as claimed in claim 5, wherein the coating module comprises:
the brush coating submodule is used for dipping the target modified sol with a preset volume by using a brush, and uniformly brushing the target modified sol on the surface of the ceramic membrane until no liquid is left on the surface of the ceramic membrane, so that a semi-finished target ceramic membrane is obtained;
and repeating the sub-modules for brushing the semi-finished target ceramic membrane for two or three times to obtain the target ceramic membrane.
8. A ceramic membrane fabrication apparatus as claimed in any one of claims 5 to 7, wherein the treatment module comprises:
the heating submodule is used for heating the target ceramic membrane to a preset temperature according to a preset heating rate, and keeping the temperature for a second preset period to obtain a heated target ceramic membrane;
and the cooling submodule is used for naturally cooling the heated target ceramic membrane to room temperature to obtain the anti-fouling modified ceramic membrane.
9. An electronic device comprising a processor and a memory, the memory storing computer readable instructions that, when executed by the processor, perform the method of any of claims 1-4.
10. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the method according to any of claims 1-4.
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Cited By (1)
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| CN116283359A (en) * | 2023-03-23 | 2023-06-23 | 福州大学 | Preparation method and application of nano transition metal oxide modified flat ceramic membrane |
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