CN106747584A - A kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material and preparation method thereof - Google Patents
A kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material and preparation method thereof Download PDFInfo
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- CN106747584A CN106747584A CN201611183871.7A CN201611183871A CN106747584A CN 106747584 A CN106747584 A CN 106747584A CN 201611183871 A CN201611183871 A CN 201611183871A CN 106747584 A CN106747584 A CN 106747584A
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Abstract
The invention discloses a kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material, including following weight portion raw material：5~10 parts of glycolylurea epoxide resin, 25~45 parts of silica, 25~45 parts of alundum (Al2O3), 30~50 parts of Delanium, 30~50 parts of CNT, 20~40 parts of carborundum, 8~15 parts of filler, 1~3 part of flux, 2~5 parts of adhesive, 2~5 parts of adsorbent, 1~3 part of pore-foaming agent.Corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment proposed by the present invention, its electrodynamic performance is good, resistivity is small, with good electric conductivity and high temperature resistant, corrosion resistance, raw materials used excellent electrical properties, preparation method is simple to operate, preparation cost is low, gained conductivity ceramics electrode material good toughness, easy processing, it can be coated on electrode surface using any means, function admirable, can be widely applied to sewage sludge process field, be worthy to be popularized.
Description
Technical field
The present invention relates to Sewage Sludge Treatment Techniques field, more particularly to a kind of sewage sludge treatment corrosion-resistant conductive ceramics
Electrode material and preparation method thereof.
Background technology
Water pollution is that the use value reduction or forfeiture of water are caused by harmful chemical, pollutes the water of environment.In sewage
Acid, alkali, oxidant, the compound such as Yi Jitong, cadmium, mercury, arsenic, the organic poison such as benzene, dichloroethanes, ethylene glycol can poison water with poison
It is biological, influence drinking water source, scenic spot landscape.The oxygen in water, influence are consumed when organic matter in sewage is decomposed by the microorganisms
The life of aquatile, after oxygen in water exhausts, organic matter carries out anaerobic digestion, produces the offensive gases such as hydrogen sulfide, mercaptan,
Water quality is set further to deteriorate.Industrial wastewater, sanitary sewage and other discarded objects enter the water bodys such as rivers,lakes and seas, more than the self-purification of water
Pollution caused by ability.The change of the aspect feature such as physics, chemistry, biology that this can cause water body, so as to have influence on water
Value, is detrimental to health or destroys ecological environment, causes the phenomenon of water quality deterioration.
With the continuous enhancing and the strict demand of environmental administration of government of people's environmental consciousness, sewage disposal is in increase year by year
Trend long, the thick accessory substance sludge that can be produced in sewage disposal process contains various pollutants in sludge, it is impossible to straight
Dispensing is connect in environment, otherwise causing serious pollution to environment, and sludge due to water content it is high, cause it to have and be difficult to collect
In, transport, the shortcoming that utilizes of Treatment and recovery.Realize that sludge high-efficiency dehydration cost performance method higher is permeated for point at present
Method, the characteristics of it has dewatering speed fast, efficiency high, however, the electrode material that such processing method device therefor is used is generally
Common metal class or metal coating class electrode material, its electrodynamic performance is not high, and wear-resisting, acid-alkali-corrosive-resisting is poor, for sludge
Dewater treatment loss is big, short life.Based on above statement, the present invention proposes a kind of sewage sludge treatment corrosion-resistant conductive ceramics
Electrode material and preparation method thereof.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of sewage sludge treatment for proposing is used
Corrosion-resistant conductive ceramic electrode material and preparation method thereof.
A kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material, including following weight portion raw material：Hydantoin epoxy
5~10 parts of resin, 25~45 parts of silica, 25~45 parts of alundum (Al2O3), 30~50 parts of Delanium, CNT 30~
50 parts, 20~40 parts of carborundum, 8~15 parts of filler, 1~3 part of flux, 2~5 parts of adhesive, 2~5 parts of adsorbent, pore
1~3 part of agent.
Preferably, a kind of described sewage sludge treatment corrosion-resistant conductive ceramic electrode material, including following weight portion
Raw material：6~8 parts of glycolylurea epoxide resin, 30~40 parts of silica, 30~40 parts of alundum (Al2O3), 35~45 parts of Delanium,
35~45 parts of CNT, 25~35 parts of carborundum, 10~14 parts of filler, 1.5~2.5 parts of flux, 3~4 parts of adhesive,
3~4 parts of adsorbent, 1.5~2.5 parts of pore-foaming agent.
Preferably, a kind of described sewage sludge treatment corrosion-resistant conductive ceramic electrode material, including following weight portion
Raw material：7 parts of glycolylurea epoxide resin, 35 parts of silica, 35 parts of alundum (Al2O3), 40 parts of Delanium, 40 parts of CNT, carbon
30 parts of SiClx, 12 parts of filler, 2 parts of flux, 3.5 parts of adhesive, 3.5 parts of adsorbent, 2 parts of pore-foaming agent.
Preferably, the filler is the mixture of sub- titanium oxide and titanium diboride.
Preferably, the flux is in feldspar, perlite, talcum, serpentine, wollastonite, lime stone and dolomite
A kind of or any combination.
Preferably, described adhesive be starch, paraffin, carboxymethylcellulose calcium, polyvinyl alcohol or waterglass in one kind or
It is various.
Preferably, the adsorbent is one or more in calcined oxide aluminium powder, silica flour, talcum powder and kaolin.
The invention allows for a kind of sewage sludge treatment preparation method of corrosion-resistant conductive ceramic electrode material, including with
Lower step：
S1, by the silica of the proportion, alundum (Al2O3), carborundum, filler, flux, adsorbent and pore
Agent is added in super grinder, is fully ground into the micropowder that particle diameter is 1~100 μm, is sufficiently mixed, and is well mixed
Mixed-powder A；
S2, the glycolylurea epoxide resin of the proportion is heated into melting at 130~150 DEG C of high temperature, add institute in step S1
The mixed-powder A for obtaining, is mixed with the rotating speed high-speed stirred of 500~800r/min, obtains compound B；
S3, by step S2 gained compound B by double screw extruder extrude, using injection moulding after adhesive-dipping
Type is caused, idiosome C must be molded；
S4, the Delanium and CNT of the proportion are mixed, it is well mixed after be filled into shaping idiosome C
In, reduction sintering is then carried out under the atmosphere of inactive gas, porous ceramic electrode material is obtained.
Preferably, the inactive gas is the one kind in neon, argon gas, Krypton and xenon that purity is 99.9%.
Corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment proposed by the present invention, and its electrodynamic performance is good, electricity
Resistance rate is small, with good electric conductivity and high temperature resistant, corrosion resistance, the invention allows for a kind for the treatment of of sewage sludge with resistance to
Lose the preparation method of conductivity ceramics electrode material, including grinding, blending, congruent melting, hot-forming, sintering concerned process steps, original used
Material excellent electrical properties, preparation method is simple to operate, and preparation cost is low, gained conductivity ceramics electrode material good toughness, easy processing, its
Electrode surface can be coated on using any means, function admirable can be widely applied to sewage sludge process field, be worthy to be popularized.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Embodiment one
A kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material proposed by the present invention, including following weight portion original
Material：8 parts of glycolylurea epoxide resin, 35 parts of silica, 30 parts of alundum (Al2O3), 40 parts of Delanium, 45 parts of CNT, carbonization
12 parts of mixture, 2 parts of serpentine, 4 parts of carboxymethylcellulose calcium, the calcined oxide aluminium powder 3 of 25 parts of silicon, sub- titanium oxide and titanium diboride
Part, 1.5 parts of pore-foaming agent.
Its preparation method, comprises the following steps：
S1, by the mixture of the silica of the proportion, alundum (Al2O3), carborundum, sub- titanium oxide and titanium diboride,
Serpentine, calcined oxide aluminium powder and pore-foaming agent are added in super grinder, are fully ground into the micropowder that particle diameter is 50 μm, are entered
Row is sufficiently mixed, and is well mixed to obtain mixed-powder A；
S2, the glycolylurea epoxide resin of the proportion is heated into melting at 140 DEG C of high temperature, add the mixed of gained in step S1
Powders A is closed, is mixed with the rotating speed high-speed stirred of 600r/min, obtain compound B；
S3, by step S2 gained compound B by double screw extruder extrude, using carboxymethylcellulose calcium impregnate after
Hot pressing casting, must be molded idiosome C；
S4, the Delanium and CNT of the proportion are mixed, it is well mixed after be filled into shaping idiosome C
In, reduction sintering then is carried out under the neon atmosphere that purity is 99.9%, porous ceramic electrode material is obtained.
Embodiment two
A kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material proposed by the present invention, including following weight portion original
Material：5 parts of glycolylurea epoxide resin, 25 parts of silica, 45 parts of alundum (Al2O3), 35 parts of Delanium, 50 parts of CNT, carbonization
8 parts of mixture, 1 part of lime stone, 2 parts of starch, 4 parts of kaolin, 2 parts of the pore-foaming agent of 40 parts of silicon, sub- titanium oxide and titanium diboride.
Its preparation method, comprises the following steps：
S1, by the mixture of the silica of the proportion, alundum (Al2O3), carborundum, sub- titanium oxide and titanium diboride,
Lime stone, kaolin and pore-foaming agent are added in super grinder, are fully ground into the micropowder that particle diameter is 1 μm, are carried out fully
Mixing, is well mixed to obtain mixed-powder A；
S2, the glycolylurea epoxide resin of the proportion is heated into melting at 135 DEG C of high temperature, add the mixed of gained in step S1
Powders A is closed, is mixed with the rotating speed high-speed stirred of 500r/min, obtain compound B；
S3, by step S2 gained compound B by double screw extruder extrude, cast using hot pressing after starch-impregnating
Shaping, must be molded idiosome C；
S4, the Delanium and CNT of the proportion are mixed, it is well mixed after be filled into shaping idiosome C
In, reduction sintering then is carried out under the Krypton atmosphere that purity is 99.9%, porous ceramic electrode material is obtained.
Embodiment three
A kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material proposed by the present invention, including following weight portion original
Material：6 parts of glycolylurea epoxide resin, 40 parts of silica, 25 parts of alundum (Al2O3), 50 parts of Delanium, 35 parts of CNT, carbonization
10 parts of mixture, 2.5 parts of dolomite, 5 parts of waterglass, 2 parts of silica flour, the pore-foaming agent of 35 parts of silicon, sub- titanium oxide and titanium diboride
2.5 parts.
Its preparation method, comprises the following steps：
S1, by the mixture of the silica of the proportion, alundum (Al2O3), carborundum, sub- titanium oxide and titanium diboride,
Dolomite, silica flour and pore-foaming agent are added in super grinder, are fully ground into the micropowder that particle diameter is 10 μm, are carried out fully
Mixing, is well mixed to obtain mixed-powder A；
S2, the glycolylurea epoxide resin of the proportion is heated into melting at 150 DEG C of high temperature, add the mixed of gained in step S1
Powders A is closed, is mixed with the rotating speed high-speed stirred of 700r/min, obtain compound B；
S3, by step S2 gained compound B by double screw extruder extrude, using waterglass impregnate after injection moulding
Type is caused, idiosome C must be molded；
S4, the Delanium and CNT of the proportion are mixed, it is well mixed after be filled into shaping idiosome C
In, reduction sintering then is carried out under the argon atmosphere that purity is 99.9%, porous ceramic electrode material is obtained.
Example IV
A kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material proposed by the present invention, including following weight portion original
Material：10 parts of glycolylurea epoxide resin, 30 parts of silica, 35 parts of alundum (Al2O3), 45 parts of Delanium, 30 parts of CNT, carbon
20 parts of SiClx, 15 parts of the mixture of sub- titanium oxide and titanium diboride, 1.5 parts of perlite, 3 parts of polyvinyl alcohol, 5 parts of talcum powder, cause
3 parts of hole agent.
Its preparation method, comprises the following steps：
S1, by the mixture of the silica of the proportion, alundum (Al2O3), carborundum, sub- titanium oxide and titanium diboride,
Perlite, talcum powder and pore-foaming agent are added in super grinder, are fully ground into the micropowder that particle diameter is 80 μm, are carried out fully
Mixing, is well mixed to obtain mixed-powder A；
S2, the glycolylurea epoxide resin of the proportion is heated into melting at 130 DEG C of high temperature, add the mixed of gained in step S1
Powders A is closed, is mixed with the rotating speed high-speed stirred of 800r/min, obtain compound B；
S3, by step S2 gained compound B by double screw extruder extrude, using polyvinyl alcohol impregnate after hot pressing
Casting, must be molded idiosome C；
S4, the Delanium and CNT of the proportion are mixed, it is well mixed after be filled into shaping idiosome C
In, reduction sintering then is carried out under the xenon atmosphere that purity is 99.9%, porous ceramic electrode material is obtained.
Embodiment five
A kind of sewage sludge treatment corrosion-resistant conductive ceramic electrode material proposed by the present invention, including following weight portion original
Material：9 parts of glycolylurea epoxide resin, 45 parts of silica, 40 parts of alundum (Al2O3), 30 parts of Delanium, 40 parts of CNT, carbonization
14 parts of mixture, 3 parts of wollastonite, 4 parts of paraffin, 3 parts of kaolin, 1 part of the pore-foaming agent of 30 parts of silicon, sub- titanium oxide and titanium diboride.
Its preparation method, comprises the following steps：
S1, by the mixture of the silica of the proportion, alundum (Al2O3), carborundum, sub- titanium oxide and titanium diboride,
Wollastonite, kaolin and pore-foaming agent are added in super grinder, are fully ground into the micropowder that particle diameter is 100 μm, are filled
Divide mixing, be well mixed to obtain mixed-powder A；
S2, the glycolylurea epoxide resin of the proportion is heated into melting at 145 DEG C of high temperature, add the mixed of gained in step S1
Powders A is closed, is mixed with the rotating speed high-speed stirred of 650r/min, obtain compound B；
S3, by step S2 gained compound B by double screw extruder extrude, using paraffin impregnate after hot pressing cast
Shaping, must be molded idiosome C；
S4, the Delanium and CNT of the proportion are mixed, it is well mixed after be filled into shaping idiosome C
In, reduction sintering then is carried out under the neon atmosphere that purity is 99.9%, porous ceramic electrode material is obtained.
The sewage sludge treatment corrosion-resistant conductive ceramic electrode material prepared in the embodiment of the present invention one~five is made respectively
Into after test specimen, performance test is carried out, draw following parameter：
| Embodiment | One | Two | Three | Four | Five |
| Dielectric constant (ε r) | 2683 | 2702 | 2679 | 2765 | 2731 |
| Pressure-resistant (V) | 1065 | 1248 | 1124 | 1097 | 1210 |
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (9)
1. corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment, it is characterised in that the raw material including following weight portion：
5~10 parts of glycolylurea epoxide resin, 25~45 parts of silica, 25~45 parts of alundum (Al2O3), 30~50 parts of Delanium, carbon are received
30~50 parts of mitron, 20~40 parts of carborundum, 8~15 parts of filler, 1~3 part of flux, 2~5 parts of adhesive, adsorbent 2~
5 parts, 1~3 part of pore-foaming agent.
2. corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment according to claim 1, it is characterised in that bag
Include the raw material of following weight portion：6~8 parts of glycolylurea epoxide resin, 30~40 parts of silica, 30~40 parts of alundum (Al2O3), people
Make 35~45 parts of graphite, 35~45 parts of CNT, 25~35 parts of carborundum, 10~14 parts of filler, flux 1.5~2.5
Part, 3~4 parts of adhesive, 3~4 parts of adsorbent, 1.5~2.5 parts of pore-foaming agent.
3. corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment according to claim 1, it is characterised in that bag
Include the raw material of following weight portion：7 parts of glycolylurea epoxide resin, 35 parts of silica, 35 parts of alundum (Al2O3), 40 parts of Delanium,
40 parts of CNT, 30 parts of carborundum, 12 parts of filler, 2 parts of flux, 3.5 parts of adhesive, 3.5 parts of adsorbent, pore-foaming agent 2
Part.
4. corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment according to claim 1, it is characterised in that institute
State the mixture that filler is sub- titanium oxide and titanium diboride.
5. corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment according to claim 1, it is characterised in that institute
It is the one kind or any combination in feldspar, perlite, talcum, serpentine, wollastonite, lime stone and dolomite to state flux.
6. corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment according to claim 1, it is characterised in that institute
It is one or more in starch, paraffin, carboxymethylcellulose calcium, polyvinyl alcohol or waterglass to state adhesive.
7. corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment according to claim 1, it is characterised in that institute
It is one or more in calcined oxide aluminium powder, silica flour, talcum powder and kaolin to state adsorbent.
8. a kind of sewage sludge is processed with the preparation method of corrosion-resistant conductive ceramic electrode material, it is characterised in that including following step
Suddenly：
S1, the silica of the proportion, alundum (Al2O3), carborundum, filler, flux, adsorbent and pore-foaming agent are added
Enter in super grinder, be fully ground into the micropowder that particle diameter is 1~100 μm, be sufficiently mixed, it is well mixed to mix
Powders A；
S2, the glycolylurea epoxide resin of the proportion is heated into melting at 130~150 DEG C of high temperature, add gained in step S1
Mixed-powder A, is mixed with the rotating speed high-speed stirred of 500~800r/min, obtains compound B；
S3, by step S2 gained compound B by double screw extruder extrude, be cast as using hot pressing after adhesive-dipping
Type, must be molded idiosome C；
S4, the Delanium and CNT of the proportion are mixed, it is well mixed after be filled into shaping idiosome C, so
Reduction sintering is carried out under the atmosphere of inactive gas afterwards, porous ceramic electrode material is obtained.
9. corrosion-resistant conductive ceramic electrode material is used in a kind of sewage sludge treatment according to claim 1, it is characterised in that institute
It is the one kind in neon, argon gas, Krypton and xenon that purity is 99.9% to state inactive gas.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107739194A (en) * | 2017-11-07 | 2018-02-27 | 江西新景象陶瓷有限公司 | A kind of ceramic filter material for sewage disposal and preparation method thereof |
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| CN104529469A (en) * | 2014-11-21 | 2015-04-22 | 柳州创宇科技有限公司 | Ceramic material used for crucibles, and preparation method thereof |
| CN105523761A (en) * | 2016-01-22 | 2016-04-27 | 江苏联合金陶特种材料科技有限公司 | Anti-corrosion conductive ceramic electrode material for sewage and sludge treatment and preparation method thereof |
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